bnx2x_main.c 269.3 KB
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/* bnx2x_main.c: Broadcom Everest network driver.
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 *
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 * Copyright (c) 2007-2010 Broadcom Corporation
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 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation.
 *
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 * Maintained by: Eilon Greenstein <eilong@broadcom.com>
 * Written by: Eliezer Tamir
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 * Based on code from Michael Chan's bnx2 driver
 * UDP CSUM errata workaround by Arik Gendelman
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 * Slowpath and fastpath rework by Vladislav Zolotarov
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 * Statistics and Link management by Yitchak Gertner
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 *
 */

#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/kernel.h>
#include <linux/device.h>  /* for dev_info() */
#include <linux/timer.h>
#include <linux/errno.h>
#include <linux/ioport.h>
#include <linux/slab.h>
#include <linux/interrupt.h>
#include <linux/pci.h>
#include <linux/init.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/skbuff.h>
#include <linux/dma-mapping.h>
#include <linux/bitops.h>
#include <linux/irq.h>
#include <linux/delay.h>
#include <asm/byteorder.h>
#include <linux/time.h>
#include <linux/ethtool.h>
#include <linux/mii.h>
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#include <linux/if_vlan.h>
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#include <net/ip.h>
#include <net/tcp.h>
#include <net/checksum.h>
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#include <net/ip6_checksum.h>
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#include <linux/workqueue.h>
#include <linux/crc32.h>
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#include <linux/crc32c.h>
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#include <linux/prefetch.h>
#include <linux/zlib.h>
#include <linux/io.h>
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#include <linux/stringify.h>
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#define BNX2X_MAIN
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#include "bnx2x.h"
#include "bnx2x_init.h"
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#include "bnx2x_init_ops.h"
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#include "bnx2x_cmn.h"
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#include "bnx2x_dcb.h"
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#include <linux/firmware.h>
#include "bnx2x_fw_file_hdr.h"
/* FW files */
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#define FW_FILE_VERSION					\
	__stringify(BCM_5710_FW_MAJOR_VERSION) "."	\
	__stringify(BCM_5710_FW_MINOR_VERSION) "."	\
	__stringify(BCM_5710_FW_REVISION_VERSION) "."	\
	__stringify(BCM_5710_FW_ENGINEERING_VERSION)
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#define FW_FILE_NAME_E1		"bnx2x/bnx2x-e1-" FW_FILE_VERSION ".fw"
#define FW_FILE_NAME_E1H	"bnx2x/bnx2x-e1h-" FW_FILE_VERSION ".fw"
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#define FW_FILE_NAME_E2		"bnx2x/bnx2x-e2-" FW_FILE_VERSION ".fw"
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/* Time in jiffies before concluding the transmitter is hung */
#define TX_TIMEOUT		(5*HZ)
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static char version[] __devinitdata =
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	"Broadcom NetXtreme II 5771x 10Gigabit Ethernet Driver "
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	DRV_MODULE_NAME " " DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";

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MODULE_AUTHOR("Eliezer Tamir");
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MODULE_DESCRIPTION("Broadcom NetXtreme II "
		   "BCM57710/57711/57711E/57712/57712E Driver");
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MODULE_LICENSE("GPL");
MODULE_VERSION(DRV_MODULE_VERSION);
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MODULE_FIRMWARE(FW_FILE_NAME_E1);
MODULE_FIRMWARE(FW_FILE_NAME_E1H);
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MODULE_FIRMWARE(FW_FILE_NAME_E2);
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static int multi_mode = 1;
module_param(multi_mode, int, 0);
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MODULE_PARM_DESC(multi_mode, " Multi queue mode "
			     "(0 Disable; 1 Enable (default))");

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int num_queues;
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module_param(num_queues, int, 0);
MODULE_PARM_DESC(num_queues, " Number of queues for multi_mode=1"
				" (default is as a number of CPUs)");
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static int disable_tpa;
module_param(disable_tpa, int, 0);
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MODULE_PARM_DESC(disable_tpa, " Disable the TPA (LRO) feature");
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static int int_mode;
module_param(int_mode, int, 0);
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MODULE_PARM_DESC(int_mode, " Force interrupt mode other then MSI-X "
				"(1 INT#x; 2 MSI)");
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static int dropless_fc;
module_param(dropless_fc, int, 0);
MODULE_PARM_DESC(dropless_fc, " Pause on exhausted host ring");

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static int poll;
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module_param(poll, int, 0);
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MODULE_PARM_DESC(poll, " Use polling (for debug)");
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static int mrrs = -1;
module_param(mrrs, int, 0);
MODULE_PARM_DESC(mrrs, " Force Max Read Req Size (0..3) (for debug)");

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static int debug;
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module_param(debug, int, 0);
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MODULE_PARM_DESC(debug, " Default debug msglevel");

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static struct workqueue_struct *bnx2x_wq;
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#ifdef BCM_CNIC
static u8 ALL_ENODE_MACS[] = {0x01, 0x10, 0x18, 0x01, 0x00, 0x01};
#endif

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enum bnx2x_board_type {
	BCM57710 = 0,
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	BCM57711 = 1,
	BCM57711E = 2,
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	BCM57712 = 3,
	BCM57712E = 4
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};

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/* indexed by board_type, above */
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static struct {
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	char *name;
} board_info[] __devinitdata = {
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	{ "Broadcom NetXtreme II BCM57710 XGb" },
	{ "Broadcom NetXtreme II BCM57711 XGb" },
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	{ "Broadcom NetXtreme II BCM57711E XGb" },
	{ "Broadcom NetXtreme II BCM57712 XGb" },
	{ "Broadcom NetXtreme II BCM57712E XGb" }
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};

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#ifndef PCI_DEVICE_ID_NX2_57712
#define PCI_DEVICE_ID_NX2_57712		0x1662
#endif
#ifndef PCI_DEVICE_ID_NX2_57712E
#define PCI_DEVICE_ID_NX2_57712E	0x1663
#endif
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static DEFINE_PCI_DEVICE_TABLE(bnx2x_pci_tbl) = {
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	{ PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57710), BCM57710 },
	{ PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711), BCM57711 },
	{ PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711E), BCM57711E },
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	{ PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712), BCM57712 },
	{ PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712E), BCM57712E },
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	{ 0 }
};

MODULE_DEVICE_TABLE(pci, bnx2x_pci_tbl);

/****************************************************************************
* General service functions
****************************************************************************/

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static inline void __storm_memset_dma_mapping(struct bnx2x *bp,
				       u32 addr, dma_addr_t mapping)
{
	REG_WR(bp,  addr, U64_LO(mapping));
	REG_WR(bp,  addr + 4, U64_HI(mapping));
}

static inline void __storm_memset_fill(struct bnx2x *bp,
				       u32 addr, size_t size, u32 val)
{
	int i;
	for (i = 0; i < size/4; i++)
		REG_WR(bp,  addr + (i * 4), val);
}

static inline void storm_memset_ustats_zero(struct bnx2x *bp,
					    u8 port, u16 stat_id)
{
	size_t size = sizeof(struct ustorm_per_client_stats);

	u32 addr = BAR_USTRORM_INTMEM +
			USTORM_PER_COUNTER_ID_STATS_OFFSET(port, stat_id);

	__storm_memset_fill(bp, addr, size, 0);
}

static inline void storm_memset_tstats_zero(struct bnx2x *bp,
					    u8 port, u16 stat_id)
{
	size_t size = sizeof(struct tstorm_per_client_stats);

	u32 addr = BAR_TSTRORM_INTMEM +
			TSTORM_PER_COUNTER_ID_STATS_OFFSET(port, stat_id);

	__storm_memset_fill(bp, addr, size, 0);
}

static inline void storm_memset_xstats_zero(struct bnx2x *bp,
					    u8 port, u16 stat_id)
{
	size_t size = sizeof(struct xstorm_per_client_stats);

	u32 addr = BAR_XSTRORM_INTMEM +
			XSTORM_PER_COUNTER_ID_STATS_OFFSET(port, stat_id);

	__storm_memset_fill(bp, addr, size, 0);
}


static inline void storm_memset_spq_addr(struct bnx2x *bp,
					 dma_addr_t mapping, u16 abs_fid)
{
	u32 addr = XSEM_REG_FAST_MEMORY +
			XSTORM_SPQ_PAGE_BASE_OFFSET(abs_fid);

	__storm_memset_dma_mapping(bp, addr, mapping);
}

static inline void storm_memset_ov(struct bnx2x *bp, u16 ov, u16 abs_fid)
{
	REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_E1HOV_OFFSET(abs_fid), ov);
}

static inline void storm_memset_func_cfg(struct bnx2x *bp,
				struct tstorm_eth_function_common_config *tcfg,
				u16 abs_fid)
{
	size_t size = sizeof(struct tstorm_eth_function_common_config);

	u32 addr = BAR_TSTRORM_INTMEM +
			TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(abs_fid);

	__storm_memset_struct(bp, addr, size, (u32 *)tcfg);
}

static inline void storm_memset_xstats_flags(struct bnx2x *bp,
				struct stats_indication_flags *flags,
				u16 abs_fid)
{
	size_t size = sizeof(struct stats_indication_flags);

	u32 addr = BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(abs_fid);

	__storm_memset_struct(bp, addr, size, (u32 *)flags);
}

static inline void storm_memset_tstats_flags(struct bnx2x *bp,
				struct stats_indication_flags *flags,
				u16 abs_fid)
{
	size_t size = sizeof(struct stats_indication_flags);

	u32 addr = BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(abs_fid);

	__storm_memset_struct(bp, addr, size, (u32 *)flags);
}

static inline void storm_memset_ustats_flags(struct bnx2x *bp,
				struct stats_indication_flags *flags,
				u16 abs_fid)
{
	size_t size = sizeof(struct stats_indication_flags);

	u32 addr = BAR_USTRORM_INTMEM + USTORM_STATS_FLAGS_OFFSET(abs_fid);

	__storm_memset_struct(bp, addr, size, (u32 *)flags);
}

static inline void storm_memset_cstats_flags(struct bnx2x *bp,
				struct stats_indication_flags *flags,
				u16 abs_fid)
{
	size_t size = sizeof(struct stats_indication_flags);

	u32 addr = BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(abs_fid);

	__storm_memset_struct(bp, addr, size, (u32 *)flags);
}

static inline void storm_memset_xstats_addr(struct bnx2x *bp,
					   dma_addr_t mapping, u16 abs_fid)
{
	u32 addr = BAR_XSTRORM_INTMEM +
		XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);

	__storm_memset_dma_mapping(bp, addr, mapping);
}

static inline void storm_memset_tstats_addr(struct bnx2x *bp,
					   dma_addr_t mapping, u16 abs_fid)
{
	u32 addr = BAR_TSTRORM_INTMEM +
		TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);

	__storm_memset_dma_mapping(bp, addr, mapping);
}

static inline void storm_memset_ustats_addr(struct bnx2x *bp,
					   dma_addr_t mapping, u16 abs_fid)
{
	u32 addr = BAR_USTRORM_INTMEM +
		USTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);

	__storm_memset_dma_mapping(bp, addr, mapping);
}

static inline void storm_memset_cstats_addr(struct bnx2x *bp,
					   dma_addr_t mapping, u16 abs_fid)
{
	u32 addr = BAR_CSTRORM_INTMEM +
		CSTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);

	__storm_memset_dma_mapping(bp, addr, mapping);
}

static inline void storm_memset_vf_to_pf(struct bnx2x *bp, u16 abs_fid,
					 u16 pf_id)
{
	REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_VF_TO_PF_OFFSET(abs_fid),
		pf_id);
	REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_VF_TO_PF_OFFSET(abs_fid),
		pf_id);
	REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_VF_TO_PF_OFFSET(abs_fid),
		pf_id);
	REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_VF_TO_PF_OFFSET(abs_fid),
		pf_id);
}

static inline void storm_memset_func_en(struct bnx2x *bp, u16 abs_fid,
					u8 enable)
{
	REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(abs_fid),
		enable);
	REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(abs_fid),
		enable);
	REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(abs_fid),
		enable);
	REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(abs_fid),
		enable);
}

static inline void storm_memset_eq_data(struct bnx2x *bp,
				struct event_ring_data *eq_data,
				u16 pfid)
{
	size_t size = sizeof(struct event_ring_data);

	u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_DATA_OFFSET(pfid);

	__storm_memset_struct(bp, addr, size, (u32 *)eq_data);
}

static inline void storm_memset_eq_prod(struct bnx2x *bp, u16 eq_prod,
					u16 pfid)
{
	u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_PROD_OFFSET(pfid);
	REG_WR16(bp, addr, eq_prod);
}

static inline void storm_memset_hc_timeout(struct bnx2x *bp, u8 port,
					     u16 fw_sb_id, u8 sb_index,
					     u8 ticks)
{

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	int index_offset = CHIP_IS_E2(bp) ?
		offsetof(struct hc_status_block_data_e2, index_data) :
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		offsetof(struct hc_status_block_data_e1x, index_data);
	u32 addr = BAR_CSTRORM_INTMEM +
			CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
			index_offset +
			sizeof(struct hc_index_data)*sb_index +
			offsetof(struct hc_index_data, timeout);
	REG_WR8(bp, addr, ticks);
	DP(NETIF_MSG_HW, "port %x fw_sb_id %d sb_index %d ticks %d\n",
			  port, fw_sb_id, sb_index, ticks);
}
static inline void storm_memset_hc_disable(struct bnx2x *bp, u8 port,
					     u16 fw_sb_id, u8 sb_index,
					     u8 disable)
{
	u32 enable_flag = disable ? 0 : (1 << HC_INDEX_DATA_HC_ENABLED_SHIFT);
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	int index_offset = CHIP_IS_E2(bp) ?
		offsetof(struct hc_status_block_data_e2, index_data) :
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		offsetof(struct hc_status_block_data_e1x, index_data);
	u32 addr = BAR_CSTRORM_INTMEM +
			CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
			index_offset +
			sizeof(struct hc_index_data)*sb_index +
			offsetof(struct hc_index_data, flags);
	u16 flags = REG_RD16(bp, addr);
	/* clear and set */
	flags &= ~HC_INDEX_DATA_HC_ENABLED;
	flags |= enable_flag;
	REG_WR16(bp, addr, flags);
	DP(NETIF_MSG_HW, "port %x fw_sb_id %d sb_index %d disable %d\n",
			  port, fw_sb_id, sb_index, disable);
}

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/* used only at init
 * locking is done by mcp
 */
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static void bnx2x_reg_wr_ind(struct bnx2x *bp, u32 addr, u32 val)
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{
	pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
	pci_write_config_dword(bp->pdev, PCICFG_GRC_DATA, val);
	pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
			       PCICFG_VENDOR_ID_OFFSET);
}

static u32 bnx2x_reg_rd_ind(struct bnx2x *bp, u32 addr)
{
	u32 val;

	pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
	pci_read_config_dword(bp->pdev, PCICFG_GRC_DATA, &val);
	pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
			       PCICFG_VENDOR_ID_OFFSET);

	return val;
}

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#define DMAE_DP_SRC_GRC		"grc src_addr [%08x]"
#define DMAE_DP_SRC_PCI		"pci src_addr [%x:%08x]"
#define DMAE_DP_DST_GRC		"grc dst_addr [%08x]"
#define DMAE_DP_DST_PCI		"pci dst_addr [%x:%08x]"
#define DMAE_DP_DST_NONE	"dst_addr [none]"

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static void bnx2x_dp_dmae(struct bnx2x *bp, struct dmae_command *dmae,
			  int msglvl)
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{
	u32 src_type = dmae->opcode & DMAE_COMMAND_SRC;

	switch (dmae->opcode & DMAE_COMMAND_DST) {
	case DMAE_CMD_DST_PCI:
		if (src_type == DMAE_CMD_SRC_PCI)
			DP(msglvl, "DMAE: opcode 0x%08x\n"
			   "src [%x:%08x], len [%d*4], dst [%x:%08x]\n"
			   "comp_addr [%x:%08x], comp_val 0x%08x\n",
			   dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
			   dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo,
			   dmae->comp_addr_hi, dmae->comp_addr_lo,
			   dmae->comp_val);
		else
			DP(msglvl, "DMAE: opcode 0x%08x\n"
			   "src [%08x], len [%d*4], dst [%x:%08x]\n"
			   "comp_addr [%x:%08x], comp_val 0x%08x\n",
			   dmae->opcode, dmae->src_addr_lo >> 2,
			   dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo,
			   dmae->comp_addr_hi, dmae->comp_addr_lo,
			   dmae->comp_val);
		break;
	case DMAE_CMD_DST_GRC:
		if (src_type == DMAE_CMD_SRC_PCI)
			DP(msglvl, "DMAE: opcode 0x%08x\n"
			   "src [%x:%08x], len [%d*4], dst_addr [%08x]\n"
			   "comp_addr [%x:%08x], comp_val 0x%08x\n",
			   dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
			   dmae->len, dmae->dst_addr_lo >> 2,
			   dmae->comp_addr_hi, dmae->comp_addr_lo,
			   dmae->comp_val);
		else
			DP(msglvl, "DMAE: opcode 0x%08x\n"
			   "src [%08x], len [%d*4], dst [%08x]\n"
			   "comp_addr [%x:%08x], comp_val 0x%08x\n",
			   dmae->opcode, dmae->src_addr_lo >> 2,
			   dmae->len, dmae->dst_addr_lo >> 2,
			   dmae->comp_addr_hi, dmae->comp_addr_lo,
			   dmae->comp_val);
		break;
	default:
		if (src_type == DMAE_CMD_SRC_PCI)
			DP(msglvl, "DMAE: opcode 0x%08x\n"
			   DP_LEVEL "src_addr [%x:%08x]  len [%d * 4]  "
				    "dst_addr [none]\n"
			   DP_LEVEL "comp_addr [%x:%08x]  comp_val 0x%08x\n",
			   dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
			   dmae->len, dmae->comp_addr_hi, dmae->comp_addr_lo,
			   dmae->comp_val);
		else
			DP(msglvl, "DMAE: opcode 0x%08x\n"
			   DP_LEVEL "src_addr [%08x]  len [%d * 4]  "
				    "dst_addr [none]\n"
			   DP_LEVEL "comp_addr [%x:%08x]  comp_val 0x%08x\n",
			   dmae->opcode, dmae->src_addr_lo >> 2,
			   dmae->len, dmae->comp_addr_hi, dmae->comp_addr_lo,
			   dmae->comp_val);
		break;
	}

}

501
const u32 dmae_reg_go_c[] = {
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	DMAE_REG_GO_C0, DMAE_REG_GO_C1, DMAE_REG_GO_C2, DMAE_REG_GO_C3,
	DMAE_REG_GO_C4, DMAE_REG_GO_C5, DMAE_REG_GO_C6, DMAE_REG_GO_C7,
	DMAE_REG_GO_C8, DMAE_REG_GO_C9, DMAE_REG_GO_C10, DMAE_REG_GO_C11,
	DMAE_REG_GO_C12, DMAE_REG_GO_C13, DMAE_REG_GO_C14, DMAE_REG_GO_C15
};

/* copy command into DMAE command memory and set DMAE command go */
509
void bnx2x_post_dmae(struct bnx2x *bp, struct dmae_command *dmae, int idx)
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{
	u32 cmd_offset;
	int i;

	cmd_offset = (DMAE_REG_CMD_MEM + sizeof(struct dmae_command) * idx);
	for (i = 0; i < (sizeof(struct dmae_command)/4); i++) {
		REG_WR(bp, cmd_offset + i*4, *(((u32 *)dmae) + i));

518 519
		DP(BNX2X_MSG_OFF, "DMAE cmd[%d].%d (0x%08x) : 0x%08x\n",
		   idx, i, cmd_offset + i*4, *(((u32 *)dmae) + i));
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	}
	REG_WR(bp, dmae_reg_go_c[idx], 1);
}

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u32 bnx2x_dmae_opcode_add_comp(u32 opcode, u8 comp_type)
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{
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	return opcode | ((comp_type << DMAE_COMMAND_C_DST_SHIFT) |
			   DMAE_CMD_C_ENABLE);
}
529

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u32 bnx2x_dmae_opcode_clr_src_reset(u32 opcode)
{
	return opcode & ~DMAE_CMD_SRC_RESET;
}
534

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u32 bnx2x_dmae_opcode(struct bnx2x *bp, u8 src_type, u8 dst_type,
			     bool with_comp, u8 comp_type)
{
	u32 opcode = 0;

	opcode |= ((src_type << DMAE_COMMAND_SRC_SHIFT) |
		   (dst_type << DMAE_COMMAND_DST_SHIFT));
542

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	opcode |= (DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET);

	opcode |= (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0);
	opcode |= ((BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT) |
		   (BP_E1HVN(bp) << DMAE_COMMAND_DST_VN_SHIFT));
	opcode |= (DMAE_COM_SET_ERR << DMAE_COMMAND_ERR_POLICY_SHIFT);
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#ifdef __BIG_ENDIAN
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	opcode |= DMAE_CMD_ENDIANITY_B_DW_SWAP;
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#else
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	opcode |= DMAE_CMD_ENDIANITY_DW_SWAP;
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#endif
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	if (with_comp)
		opcode = bnx2x_dmae_opcode_add_comp(opcode, comp_type);
	return opcode;
}

560 561 562
static void bnx2x_prep_dmae_with_comp(struct bnx2x *bp,
				      struct dmae_command *dmae,
				      u8 src_type, u8 dst_type)
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{
	memset(dmae, 0, sizeof(struct dmae_command));

	/* set the opcode */
	dmae->opcode = bnx2x_dmae_opcode(bp, src_type, dst_type,
					 true, DMAE_COMP_PCI);

	/* fill in the completion parameters */
	dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
	dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
	dmae->comp_val = DMAE_COMP_VAL;
}

/* issue a dmae command over the init-channel and wailt for completion */
577 578
static int bnx2x_issue_dmae_with_comp(struct bnx2x *bp,
				      struct dmae_command *dmae)
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{
	u32 *wb_comp = bnx2x_sp(bp, wb_comp);
	int cnt = CHIP_REV_IS_SLOW(bp) ? (400000) : 40;
	int rc = 0;

	DP(BNX2X_MSG_OFF, "data before [0x%08x 0x%08x 0x%08x 0x%08x]\n",
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	   bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
	   bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);

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	/* lock the dmae channel */
589 590
	mutex_lock(&bp->dmae_mutex);

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	/* reset completion */
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	*wb_comp = 0;

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	/* post the command on the channel used for initializations */
	bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
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	/* wait for completion */
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	udelay(5);
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	while ((*wb_comp & ~DMAE_PCI_ERR_FLAG) != DMAE_COMP_VAL) {
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		DP(BNX2X_MSG_OFF, "wb_comp 0x%08x\n", *wb_comp);

		if (!cnt) {
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			BNX2X_ERR("DMAE timeout!\n");
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			rc = DMAE_TIMEOUT;
			goto unlock;
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		}
607
		cnt--;
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		udelay(50);
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	}
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	if (*wb_comp & DMAE_PCI_ERR_FLAG) {
		BNX2X_ERR("DMAE PCI error!\n");
		rc = DMAE_PCI_ERROR;
	}

	DP(BNX2X_MSG_OFF, "data after [0x%08x 0x%08x 0x%08x 0x%08x]\n",
	   bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
	   bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
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unlock:
620
	mutex_unlock(&bp->dmae_mutex);
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	return rc;
}

void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr,
		      u32 len32)
{
	struct dmae_command dmae;

	if (!bp->dmae_ready) {
		u32 *data = bnx2x_sp(bp, wb_data[0]);

		DP(BNX2X_MSG_OFF, "DMAE is not ready (dst_addr %08x  len32 %d)"
		   "  using indirect\n", dst_addr, len32);
		bnx2x_init_ind_wr(bp, dst_addr, data, len32);
		return;
	}

	/* set opcode and fixed command fields */
	bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_PCI, DMAE_DST_GRC);

	/* fill in addresses and len */
	dmae.src_addr_lo = U64_LO(dma_addr);
	dmae.src_addr_hi = U64_HI(dma_addr);
	dmae.dst_addr_lo = dst_addr >> 2;
	dmae.dst_addr_hi = 0;
	dmae.len = len32;

	bnx2x_dp_dmae(bp, &dmae, BNX2X_MSG_OFF);

	/* issue the command and wait for completion */
	bnx2x_issue_dmae_with_comp(bp, &dmae);
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}

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void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32)
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{
656
	struct dmae_command dmae;
657 658 659 660 661 662 663 664 665 666 667 668

	if (!bp->dmae_ready) {
		u32 *data = bnx2x_sp(bp, wb_data[0]);
		int i;

		DP(BNX2X_MSG_OFF, "DMAE is not ready (src_addr %08x  len32 %d)"
		   "  using indirect\n", src_addr, len32);
		for (i = 0; i < len32; i++)
			data[i] = bnx2x_reg_rd_ind(bp, src_addr + i*4);
		return;
	}

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	/* set opcode and fixed command fields */
	bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_GRC, DMAE_DST_PCI);
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D
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	/* fill in addresses and len */
673 674 675 676 677
	dmae.src_addr_lo = src_addr >> 2;
	dmae.src_addr_hi = 0;
	dmae.dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_data));
	dmae.dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_data));
	dmae.len = len32;
678

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	bnx2x_dp_dmae(bp, &dmae, BNX2X_MSG_OFF);
680

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	/* issue the command and wait for completion */
	bnx2x_issue_dmae_with_comp(bp, &dmae);
683 684
}

685 686
static void bnx2x_write_dmae_phys_len(struct bnx2x *bp, dma_addr_t phys_addr,
				      u32 addr, u32 len)
687
{
688
	int dmae_wr_max = DMAE_LEN32_WR_MAX(bp);
689 690
	int offset = 0;

691
	while (len > dmae_wr_max) {
692
		bnx2x_write_dmae(bp, phys_addr + offset,
693 694 695
				 addr + offset, dmae_wr_max);
		offset += dmae_wr_max * 4;
		len -= dmae_wr_max;
696 697 698 699 700
	}

	bnx2x_write_dmae(bp, phys_addr + offset, addr + offset, len);
}

701 702 703 704 705 706 707 708
/* used only for slowpath so not inlined */
static void bnx2x_wb_wr(struct bnx2x *bp, int reg, u32 val_hi, u32 val_lo)
{
	u32 wb_write[2];

	wb_write[0] = val_hi;
	wb_write[1] = val_lo;
	REG_WR_DMAE(bp, reg, wb_write, 2);
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}

711 712 713 714 715 716 717 718 719 720 721
#ifdef USE_WB_RD
static u64 bnx2x_wb_rd(struct bnx2x *bp, int reg)
{
	u32 wb_data[2];

	REG_RD_DMAE(bp, reg, wb_data, 2);

	return HILO_U64(wb_data[0], wb_data[1]);
}
#endif

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static int bnx2x_mc_assert(struct bnx2x *bp)
{
	char last_idx;
725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836
	int i, rc = 0;
	u32 row0, row1, row2, row3;

	/* XSTORM */
	last_idx = REG_RD8(bp, BAR_XSTRORM_INTMEM +
			   XSTORM_ASSERT_LIST_INDEX_OFFSET);
	if (last_idx)
		BNX2X_ERR("XSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);

	/* print the asserts */
	for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {

		row0 = REG_RD(bp, BAR_XSTRORM_INTMEM +
			      XSTORM_ASSERT_LIST_OFFSET(i));
		row1 = REG_RD(bp, BAR_XSTRORM_INTMEM +
			      XSTORM_ASSERT_LIST_OFFSET(i) + 4);
		row2 = REG_RD(bp, BAR_XSTRORM_INTMEM +
			      XSTORM_ASSERT_LIST_OFFSET(i) + 8);
		row3 = REG_RD(bp, BAR_XSTRORM_INTMEM +
			      XSTORM_ASSERT_LIST_OFFSET(i) + 12);

		if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
			BNX2X_ERR("XSTORM_ASSERT_INDEX 0x%x = 0x%08x"
				  " 0x%08x 0x%08x 0x%08x\n",
				  i, row3, row2, row1, row0);
			rc++;
		} else {
			break;
		}
	}

	/* TSTORM */
	last_idx = REG_RD8(bp, BAR_TSTRORM_INTMEM +
			   TSTORM_ASSERT_LIST_INDEX_OFFSET);
	if (last_idx)
		BNX2X_ERR("TSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);

	/* print the asserts */
	for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {

		row0 = REG_RD(bp, BAR_TSTRORM_INTMEM +
			      TSTORM_ASSERT_LIST_OFFSET(i));
		row1 = REG_RD(bp, BAR_TSTRORM_INTMEM +
			      TSTORM_ASSERT_LIST_OFFSET(i) + 4);
		row2 = REG_RD(bp, BAR_TSTRORM_INTMEM +
			      TSTORM_ASSERT_LIST_OFFSET(i) + 8);
		row3 = REG_RD(bp, BAR_TSTRORM_INTMEM +
			      TSTORM_ASSERT_LIST_OFFSET(i) + 12);

		if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
			BNX2X_ERR("TSTORM_ASSERT_INDEX 0x%x = 0x%08x"
				  " 0x%08x 0x%08x 0x%08x\n",
				  i, row3, row2, row1, row0);
			rc++;
		} else {
			break;
		}
	}

	/* CSTORM */
	last_idx = REG_RD8(bp, BAR_CSTRORM_INTMEM +
			   CSTORM_ASSERT_LIST_INDEX_OFFSET);
	if (last_idx)
		BNX2X_ERR("CSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);

	/* print the asserts */
	for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {

		row0 = REG_RD(bp, BAR_CSTRORM_INTMEM +
			      CSTORM_ASSERT_LIST_OFFSET(i));
		row1 = REG_RD(bp, BAR_CSTRORM_INTMEM +
			      CSTORM_ASSERT_LIST_OFFSET(i) + 4);
		row2 = REG_RD(bp, BAR_CSTRORM_INTMEM +
			      CSTORM_ASSERT_LIST_OFFSET(i) + 8);
		row3 = REG_RD(bp, BAR_CSTRORM_INTMEM +
			      CSTORM_ASSERT_LIST_OFFSET(i) + 12);

		if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
			BNX2X_ERR("CSTORM_ASSERT_INDEX 0x%x = 0x%08x"
				  " 0x%08x 0x%08x 0x%08x\n",
				  i, row3, row2, row1, row0);
			rc++;
		} else {
			break;
		}
	}

	/* USTORM */
	last_idx = REG_RD8(bp, BAR_USTRORM_INTMEM +
			   USTORM_ASSERT_LIST_INDEX_OFFSET);
	if (last_idx)
		BNX2X_ERR("USTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);

	/* print the asserts */
	for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {

		row0 = REG_RD(bp, BAR_USTRORM_INTMEM +
			      USTORM_ASSERT_LIST_OFFSET(i));
		row1 = REG_RD(bp, BAR_USTRORM_INTMEM +
			      USTORM_ASSERT_LIST_OFFSET(i) + 4);
		row2 = REG_RD(bp, BAR_USTRORM_INTMEM +
			      USTORM_ASSERT_LIST_OFFSET(i) + 8);
		row3 = REG_RD(bp, BAR_USTRORM_INTMEM +
			      USTORM_ASSERT_LIST_OFFSET(i) + 12);

		if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
			BNX2X_ERR("USTORM_ASSERT_INDEX 0x%x = 0x%08x"
				  " 0x%08x 0x%08x 0x%08x\n",
				  i, row3, row2, row1, row0);
			rc++;
		} else {
			break;
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Eliezer Tamir 已提交
837 838
		}
	}
839

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840 841
	return rc;
}
E
Eliezer Tamir 已提交
842

E
Eliezer Tamir 已提交
843 844
static void bnx2x_fw_dump(struct bnx2x *bp)
{
V
Vladislav Zolotarov 已提交
845
	u32 addr;
E
Eliezer Tamir 已提交
846
	u32 mark, offset;
847
	__be32 data[9];
E
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848
	int word;
D
Dmitry Kravkov 已提交
849
	u32 trace_shmem_base;
850 851 852 853
	if (BP_NOMCP(bp)) {
		BNX2X_ERR("NO MCP - can not dump\n");
		return;
	}
V
Vladislav Zolotarov 已提交
854

D
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855 856 857 858 859
	if (BP_PATH(bp) == 0)
		trace_shmem_base = bp->common.shmem_base;
	else
		trace_shmem_base = SHMEM2_RD(bp, other_shmem_base_addr);
	addr = trace_shmem_base - 0x0800 + 4;
V
Vladislav Zolotarov 已提交
860
	mark = REG_RD(bp, addr);
D
Dmitry Kravkov 已提交
861 862
	mark = (CHIP_IS_E1x(bp) ? MCP_REG_MCPR_SCRATCH : MCP_A_REG_MCPR_SCRATCH)
			+ ((mark + 0x3) & ~0x3) - 0x08000000;
863
	pr_err("begin fw dump (mark 0x%x)\n", mark);
E
Eliezer Tamir 已提交
864

865
	pr_err("");
D
Dmitry Kravkov 已提交
866
	for (offset = mark; offset <= trace_shmem_base; offset += 0x8*4) {
E
Eliezer Tamir 已提交
867
		for (word = 0; word < 8; word++)
V
Vladislav Zolotarov 已提交
868
			data[word] = htonl(REG_RD(bp, offset + 4*word));
E
Eliezer Tamir 已提交
869
		data[8] = 0x0;
870
		pr_cont("%s", (char *)data);
E
Eliezer Tamir 已提交
871
	}
V
Vladislav Zolotarov 已提交
872
	for (offset = addr + 4; offset <= mark; offset += 0x8*4) {
E
Eliezer Tamir 已提交
873
		for (word = 0; word < 8; word++)
V
Vladislav Zolotarov 已提交
874
			data[word] = htonl(REG_RD(bp, offset + 4*word));
E
Eliezer Tamir 已提交
875
		data[8] = 0x0;
876
		pr_cont("%s", (char *)data);
E
Eliezer Tamir 已提交
877
	}
878
	pr_err("end of fw dump\n");
E
Eliezer Tamir 已提交
879 880
}

881
void bnx2x_panic_dump(struct bnx2x *bp)
E
Eliezer Tamir 已提交
882 883
{
	int i;
884 885 886 887 888 889
	u16 j;
	struct hc_sp_status_block_data sp_sb_data;
	int func = BP_FUNC(bp);
#ifdef BNX2X_STOP_ON_ERROR
	u16 start = 0, end = 0;
#endif
E
Eliezer Tamir 已提交
890

Y
Yitchak Gertner 已提交
891 892 893
	bp->stats_state = STATS_STATE_DISABLED;
	DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");

E
Eliezer Tamir 已提交
894 895
	BNX2X_ERR("begin crash dump -----------------\n");

E
Eilon Greenstein 已提交
896 897
	/* Indices */
	/* Common */
898
	BNX2X_ERR("def_idx(0x%x)  def_att_idx(0x%x)  attn_state(0x%x)"
V
Vladislav Zolotarov 已提交
899
		  "  spq_prod_idx(0x%x)\n",
900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927
		  bp->def_idx, bp->def_att_idx,
		  bp->attn_state, bp->spq_prod_idx);
	BNX2X_ERR("DSB: attn bits(0x%x)  ack(0x%x)  id(0x%x)  idx(0x%x)\n",
		  bp->def_status_blk->atten_status_block.attn_bits,
		  bp->def_status_blk->atten_status_block.attn_bits_ack,
		  bp->def_status_blk->atten_status_block.status_block_id,
		  bp->def_status_blk->atten_status_block.attn_bits_index);
	BNX2X_ERR("     def (");
	for (i = 0; i < HC_SP_SB_MAX_INDICES; i++)
		pr_cont("0x%x%s",
		       bp->def_status_blk->sp_sb.index_values[i],
		       (i == HC_SP_SB_MAX_INDICES - 1) ? ")  " : " ");

	for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
		*((u32 *)&sp_sb_data + i) = REG_RD(bp, BAR_CSTRORM_INTMEM +
			CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
			i*sizeof(u32));

	pr_cont("igu_sb_id(0x%x)  igu_seg_id (0x%x) "
			 "pf_id(0x%x)  vnic_id(0x%x)  "
			 "vf_id(0x%x)  vf_valid (0x%x)\n",
	       sp_sb_data.igu_sb_id,
	       sp_sb_data.igu_seg_id,
	       sp_sb_data.p_func.pf_id,
	       sp_sb_data.p_func.vnic_id,
	       sp_sb_data.p_func.vf_id,
	       sp_sb_data.p_func.vf_valid);

E
Eilon Greenstein 已提交
928

V
Vladislav Zolotarov 已提交
929
	for_each_eth_queue(bp, i) {
E
Eliezer Tamir 已提交
930
		struct bnx2x_fastpath *fp = &bp->fp[i];
931
		int loop;
D
Dmitry Kravkov 已提交
932
		struct hc_status_block_data_e2 sb_data_e2;
933 934
		struct hc_status_block_data_e1x sb_data_e1x;
		struct hc_status_block_sm  *hc_sm_p =
D
Dmitry Kravkov 已提交
935 936
			CHIP_IS_E2(bp) ?
			sb_data_e2.common.state_machine :
937 938
			sb_data_e1x.common.state_machine;
		struct hc_index_data *hc_index_p =
D
Dmitry Kravkov 已提交
939 940
			CHIP_IS_E2(bp) ?
			sb_data_e2.index_data :
941 942 943 944 945
			sb_data_e1x.index_data;
		int data_size;
		u32 *sb_data_p;

		/* Rx */
V
Vladislav Zolotarov 已提交
946
		BNX2X_ERR("fp%d: rx_bd_prod(0x%x)  rx_bd_cons(0x%x)"
947
			  "  rx_comp_prod(0x%x)"
V
Vladislav Zolotarov 已提交
948
			  "  rx_comp_cons(0x%x)  *rx_cons_sb(0x%x)\n",
E
Eilon Greenstein 已提交
949
			  i, fp->rx_bd_prod, fp->rx_bd_cons,
950
			  fp->rx_comp_prod,
Y
Yitchak Gertner 已提交
951
			  fp->rx_comp_cons, le16_to_cpu(*fp->rx_cons_sb));
V
Vladislav Zolotarov 已提交
952
		BNX2X_ERR("     rx_sge_prod(0x%x)  last_max_sge(0x%x)"
953
			  "  fp_hc_idx(0x%x)\n",
E
Eilon Greenstein 已提交
954
			  fp->rx_sge_prod, fp->last_max_sge,
955
			  le16_to_cpu(fp->fp_hc_idx));
E
Eliezer Tamir 已提交
956

957
		/* Tx */
V
Vladislav Zolotarov 已提交
958 959 960
		BNX2X_ERR("fp%d: tx_pkt_prod(0x%x)  tx_pkt_cons(0x%x)"
			  "  tx_bd_prod(0x%x)  tx_bd_cons(0x%x)"
			  "  *tx_cons_sb(0x%x)\n",
E
Eilon Greenstein 已提交
961 962
			  i, fp->tx_pkt_prod, fp->tx_pkt_cons, fp->tx_bd_prod,
			  fp->tx_bd_cons, le16_to_cpu(*fp->tx_cons_sb));
963

D
Dmitry Kravkov 已提交
964 965
		loop = CHIP_IS_E2(bp) ?
			HC_SB_MAX_INDICES_E2 : HC_SB_MAX_INDICES_E1X;
966 967 968

		/* host sb data */

V
Vladislav Zolotarov 已提交
969 970 971 972
#ifdef BCM_CNIC
		if (IS_FCOE_FP(fp))
			continue;
#endif
973 974 975 976 977 978 979 980 981 982 983 984
		BNX2X_ERR("     run indexes (");
		for (j = 0; j < HC_SB_MAX_SM; j++)
			pr_cont("0x%x%s",
			       fp->sb_running_index[j],
			       (j == HC_SB_MAX_SM - 1) ? ")" : " ");

		BNX2X_ERR("     indexes (");
		for (j = 0; j < loop; j++)
			pr_cont("0x%x%s",
			       fp->sb_index_values[j],
			       (j == loop - 1) ? ")" : " ");
		/* fw sb data */
D
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985 986
		data_size = CHIP_IS_E2(bp) ?
			sizeof(struct hc_status_block_data_e2) :
987 988
			sizeof(struct hc_status_block_data_e1x);
		data_size /= sizeof(u32);
D
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989 990 991
		sb_data_p = CHIP_IS_E2(bp) ?
			(u32 *)&sb_data_e2 :
			(u32 *)&sb_data_e1x;
992 993 994 995 996 997
		/* copy sb data in here */
		for (j = 0; j < data_size; j++)
			*(sb_data_p + j) = REG_RD(bp, BAR_CSTRORM_INTMEM +
				CSTORM_STATUS_BLOCK_DATA_OFFSET(fp->fw_sb_id) +
				j * sizeof(u32));

D
Dmitry Kravkov 已提交
998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014
		if (CHIP_IS_E2(bp)) {
			pr_cont("pf_id(0x%x)  vf_id (0x%x)  vf_valid(0x%x) "
				"vnic_id(0x%x)  same_igu_sb_1b(0x%x)\n",
				sb_data_e2.common.p_func.pf_id,
				sb_data_e2.common.p_func.vf_id,
				sb_data_e2.common.p_func.vf_valid,
				sb_data_e2.common.p_func.vnic_id,
				sb_data_e2.common.same_igu_sb_1b);
		} else {
			pr_cont("pf_id(0x%x)  vf_id (0x%x)  vf_valid(0x%x) "
				"vnic_id(0x%x)  same_igu_sb_1b(0x%x)\n",
				sb_data_e1x.common.p_func.pf_id,
				sb_data_e1x.common.p_func.vf_id,
				sb_data_e1x.common.p_func.vf_valid,
				sb_data_e1x.common.p_func.vnic_id,
				sb_data_e1x.common.same_igu_sb_1b);
		}
1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035

		/* SB_SMs data */
		for (j = 0; j < HC_SB_MAX_SM; j++) {
			pr_cont("SM[%d] __flags (0x%x) "
			       "igu_sb_id (0x%x)  igu_seg_id(0x%x) "
			       "time_to_expire (0x%x) "
			       "timer_value(0x%x)\n", j,
			       hc_sm_p[j].__flags,
			       hc_sm_p[j].igu_sb_id,
			       hc_sm_p[j].igu_seg_id,
			       hc_sm_p[j].time_to_expire,
			       hc_sm_p[j].timer_value);
		}

		/* Indecies data */
		for (j = 0; j < loop; j++) {
			pr_cont("INDEX[%d] flags (0x%x) "
					 "timeout (0x%x)\n", j,
			       hc_index_p[j].flags,
			       hc_index_p[j].timeout);
		}
E
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1036
	}
E
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1037

1038
#ifdef BNX2X_STOP_ON_ERROR
E
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1039 1040
	/* Rings */
	/* Rx */
V
Vladislav Zolotarov 已提交
1041
	for_each_rx_queue(bp, i) {
E
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1042
		struct bnx2x_fastpath *fp = &bp->fp[i];
E
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1043 1044 1045

		start = RX_BD(le16_to_cpu(*fp->rx_cons_sb) - 10);
		end = RX_BD(le16_to_cpu(*fp->rx_cons_sb) + 503);
E
Eilon Greenstein 已提交
1046
		for (j = start; j != end; j = RX_BD(j + 1)) {
E
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1047 1048 1049
			u32 *rx_bd = (u32 *)&fp->rx_desc_ring[j];
			struct sw_rx_bd *sw_bd = &fp->rx_buf_ring[j];

E
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1050 1051
			BNX2X_ERR("fp%d: rx_bd[%x]=[%x:%x]  sw_bd=[%p]\n",
				  i, j, rx_bd[1], rx_bd[0], sw_bd->skb);
E
Eliezer Tamir 已提交
1052 1053
		}

1054 1055
		start = RX_SGE(fp->rx_sge_prod);
		end = RX_SGE(fp->last_max_sge);
E
Eilon Greenstein 已提交
1056
		for (j = start; j != end; j = RX_SGE(j + 1)) {
1057 1058 1059
			u32 *rx_sge = (u32 *)&fp->rx_sge_ring[j];
			struct sw_rx_page *sw_page = &fp->rx_page_ring[j];

E
Eilon Greenstein 已提交
1060 1061
			BNX2X_ERR("fp%d: rx_sge[%x]=[%x:%x]  sw_page=[%p]\n",
				  i, j, rx_sge[1], rx_sge[0], sw_page->page);
1062 1063
		}

E
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1064 1065
		start = RCQ_BD(fp->rx_comp_cons - 10);
		end = RCQ_BD(fp->rx_comp_cons + 503);
E
Eilon Greenstein 已提交
1066
		for (j = start; j != end; j = RCQ_BD(j + 1)) {
E
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1067 1068
			u32 *cqe = (u32 *)&fp->rx_comp_ring[j];

E
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1069 1070
			BNX2X_ERR("fp%d: cqe[%x]=[%x:%x:%x:%x]\n",
				  i, j, cqe[0], cqe[1], cqe[2], cqe[3]);
E
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1071 1072 1073
		}
	}

E
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1074
	/* Tx */
V
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1075
	for_each_tx_queue(bp, i) {
E
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1076 1077 1078 1079 1080 1081 1082
		struct bnx2x_fastpath *fp = &bp->fp[i];

		start = TX_BD(le16_to_cpu(*fp->tx_cons_sb) - 10);
		end = TX_BD(le16_to_cpu(*fp->tx_cons_sb) + 245);
		for (j = start; j != end; j = TX_BD(j + 1)) {
			struct sw_tx_bd *sw_bd = &fp->tx_buf_ring[j];

E
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1083 1084
			BNX2X_ERR("fp%d: packet[%x]=[%p,%x]\n",
				  i, j, sw_bd->skb, sw_bd->first_bd);
E
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1085 1086 1087 1088 1089 1090 1091
		}

		start = TX_BD(fp->tx_bd_cons - 10);
		end = TX_BD(fp->tx_bd_cons + 254);
		for (j = start; j != end; j = TX_BD(j + 1)) {
			u32 *tx_bd = (u32 *)&fp->tx_desc_ring[j];

E
Eilon Greenstein 已提交
1092 1093
			BNX2X_ERR("fp%d: tx_bd[%x]=[%x:%x:%x:%x]\n",
				  i, j, tx_bd[0], tx_bd[1], tx_bd[2], tx_bd[3]);
E
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1094 1095
		}
	}
1096
#endif
1097
	bnx2x_fw_dump(bp);
E
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	bnx2x_mc_assert(bp);
	BNX2X_ERR("end crash dump -----------------\n");
}

D
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1102
static void bnx2x_hc_int_enable(struct bnx2x *bp)
E
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1103
{
1104
	int port = BP_PORT(bp);
E
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1105 1106 1107
	u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
	u32 val = REG_RD(bp, addr);
	int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
E
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1108
	int msi = (bp->flags & USING_MSI_FLAG) ? 1 : 0;
E
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1109 1110

	if (msix) {
E
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1111 1112
		val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
			 HC_CONFIG_0_REG_INT_LINE_EN_0);
E
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1113 1114
		val |= (HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
			HC_CONFIG_0_REG_ATTN_BIT_EN_0);
E
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	} else if (msi) {
		val &= ~HC_CONFIG_0_REG_INT_LINE_EN_0;
		val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
			HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
			HC_CONFIG_0_REG_ATTN_BIT_EN_0);
E
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	} else {
		val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
E
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			HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
E
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			HC_CONFIG_0_REG_INT_LINE_EN_0 |
			HC_CONFIG_0_REG_ATTN_BIT_EN_0);
E
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1126 1127 1128
		if (!CHIP_IS_E1(bp)) {
			DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
			   val, port, addr);
E
Eliezer Tamir 已提交
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1130
			REG_WR(bp, addr, val);
E
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1132 1133
			val &= ~HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0;
		}
E
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1134 1135
	}

1136 1137 1138
	if (CHIP_IS_E1(bp))
		REG_WR(bp, HC_REG_INT_MASK + port*4, 0x1FFFF);

E
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1139 1140
	DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)  mode %s\n",
	   val, port, addr, (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
E
Eliezer Tamir 已提交
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	REG_WR(bp, addr, val);
E
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	/*
	 * Ensure that HC_CONFIG is written before leading/trailing edge config
	 */
	mmiowb();
	barrier();
1148

D
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1149
	if (!CHIP_IS_E1(bp)) {
1150
		/* init leading/trailing edge */
D
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1151
		if (IS_MF(bp)) {
E
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1152
			val = (0xee0f | (1 << (BP_E1HVN(bp) + 4)));
1153
			if (bp->port.pmf)
E
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1154 1155
				/* enable nig and gpio3 attention */
				val |= 0x1100;
1156 1157 1158 1159 1160 1161
		} else
			val = 0xffff;

		REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
		REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
	}
E
Eilon Greenstein 已提交
1162 1163 1164

	/* Make sure that interrupts are indeed enabled from here on */
	mmiowb();
E
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}

D
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1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226
static void bnx2x_igu_int_enable(struct bnx2x *bp)
{
	u32 val;
	int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
	int msi = (bp->flags & USING_MSI_FLAG) ? 1 : 0;

	val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);

	if (msix) {
		val &= ~(IGU_PF_CONF_INT_LINE_EN |
			 IGU_PF_CONF_SINGLE_ISR_EN);
		val |= (IGU_PF_CONF_FUNC_EN |
			IGU_PF_CONF_MSI_MSIX_EN |
			IGU_PF_CONF_ATTN_BIT_EN);
	} else if (msi) {
		val &= ~IGU_PF_CONF_INT_LINE_EN;
		val |= (IGU_PF_CONF_FUNC_EN |
			IGU_PF_CONF_MSI_MSIX_EN |
			IGU_PF_CONF_ATTN_BIT_EN |
			IGU_PF_CONF_SINGLE_ISR_EN);
	} else {
		val &= ~IGU_PF_CONF_MSI_MSIX_EN;
		val |= (IGU_PF_CONF_FUNC_EN |
			IGU_PF_CONF_INT_LINE_EN |
			IGU_PF_CONF_ATTN_BIT_EN |
			IGU_PF_CONF_SINGLE_ISR_EN);
	}

	DP(NETIF_MSG_INTR, "write 0x%x to IGU  mode %s\n",
	   val, (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));

	REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);

	barrier();

	/* init leading/trailing edge */
	if (IS_MF(bp)) {
		val = (0xee0f | (1 << (BP_E1HVN(bp) + 4)));
		if (bp->port.pmf)
			/* enable nig and gpio3 attention */
			val |= 0x1100;
	} else
		val = 0xffff;

	REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
	REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);

	/* Make sure that interrupts are indeed enabled from here on */
	mmiowb();
}

void bnx2x_int_enable(struct bnx2x *bp)
{
	if (bp->common.int_block == INT_BLOCK_HC)
		bnx2x_hc_int_enable(bp);
	else
		bnx2x_igu_int_enable(bp);
}

static void bnx2x_hc_int_disable(struct bnx2x *bp)
E
Eliezer Tamir 已提交
1227
{
1228
	int port = BP_PORT(bp);
E
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	u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
	u32 val = REG_RD(bp, addr);

1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251
	/*
	 * in E1 we must use only PCI configuration space to disable
	 * MSI/MSIX capablility
	 * It's forbitten to disable IGU_PF_CONF_MSI_MSIX_EN in HC block
	 */
	if (CHIP_IS_E1(bp)) {
		/*  Since IGU_PF_CONF_MSI_MSIX_EN still always on
		 *  Use mask register to prevent from HC sending interrupts
		 *  after we exit the function
		 */
		REG_WR(bp, HC_REG_INT_MASK + port*4, 0);

		val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
			 HC_CONFIG_0_REG_INT_LINE_EN_0 |
			 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
	} else
		val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
			 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
			 HC_CONFIG_0_REG_INT_LINE_EN_0 |
			 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
E
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1252 1253 1254 1255

	DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
	   val, port, addr);

E
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1256 1257 1258
	/* flush all outstanding writes */
	mmiowb();

E
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1259 1260 1261 1262 1263
	REG_WR(bp, addr, val);
	if (REG_RD(bp, addr) != val)
		BNX2X_ERR("BUG! proper val not read from IGU!\n");
}

D
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static void bnx2x_igu_int_disable(struct bnx2x *bp)
{
	u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);

	val &= ~(IGU_PF_CONF_MSI_MSIX_EN |
		 IGU_PF_CONF_INT_LINE_EN |
		 IGU_PF_CONF_ATTN_BIT_EN);

	DP(NETIF_MSG_INTR, "write %x to IGU\n", val);

	/* flush all outstanding writes */
	mmiowb();

	REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
	if (REG_RD(bp, IGU_REG_PF_CONFIGURATION) != val)
		BNX2X_ERR("BUG! proper val not read from IGU!\n");
}

1282
static void bnx2x_int_disable(struct bnx2x *bp)
D
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1283 1284 1285 1286 1287 1288 1289
{
	if (bp->common.int_block == INT_BLOCK_HC)
		bnx2x_hc_int_disable(bp);
	else
		bnx2x_igu_int_disable(bp);
}

D
Dmitry Kravkov 已提交
1290
void bnx2x_int_disable_sync(struct bnx2x *bp, int disable_hw)
E
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1291 1292
{
	int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
E
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1293
	int i, offset;
E
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1294

1295
	/* disable interrupt handling */
E
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1296
	atomic_inc(&bp->intr_sem);
E
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1297 1298
	smp_wmb(); /* Ensure that bp->intr_sem update is SMP-safe */

Y
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1299 1300 1301
	if (disable_hw)
		/* prevent the HW from sending interrupts */
		bnx2x_int_disable(bp);
E
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1302 1303 1304

	/* make sure all ISRs are done */
	if (msix) {
E
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1305 1306
		synchronize_irq(bp->msix_table[0].vector);
		offset = 1;
1307 1308 1309
#ifdef BCM_CNIC
		offset++;
#endif
V
Vladislav Zolotarov 已提交
1310
		for_each_eth_queue(bp, i)
E
Eilon Greenstein 已提交
1311
			synchronize_irq(bp->msix_table[i + offset].vector);
E
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1312 1313 1314 1315
	} else
		synchronize_irq(bp->pdev->irq);

	/* make sure sp_task is not running */
1316 1317
	cancel_delayed_work(&bp->sp_task);
	flush_workqueue(bnx2x_wq);
E
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1318 1319
}

1320
/* fast path */
E
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1321 1322

/*
1323
 * General service functions
E
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 */

1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340
/* Return true if succeeded to acquire the lock */
static bool bnx2x_trylock_hw_lock(struct bnx2x *bp, u32 resource)
{
	u32 lock_status;
	u32 resource_bit = (1 << resource);
	int func = BP_FUNC(bp);
	u32 hw_lock_control_reg;

	DP(NETIF_MSG_HW, "Trying to take a lock on resource %d\n", resource);

	/* Validating that the resource is within range */
	if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
		DP(NETIF_MSG_HW,
		   "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
		   resource, HW_LOCK_MAX_RESOURCE_VALUE);
1341
		return false;
1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359
	}

	if (func <= 5)
		hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
	else
		hw_lock_control_reg =
				(MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);

	/* Try to acquire the lock */
	REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
	lock_status = REG_RD(bp, hw_lock_control_reg);
	if (lock_status & resource_bit)
		return true;

	DP(NETIF_MSG_HW, "Failed to get a lock on resource %d\n", resource);
	return false;
}

1360 1361 1362
#ifdef BCM_CNIC
static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid);
#endif
1363

D
Dmitry Kravkov 已提交
1364
void bnx2x_sp_event(struct bnx2x_fastpath *fp,
E
Eliezer Tamir 已提交
1365 1366 1367 1368 1369 1370
			   union eth_rx_cqe *rr_cqe)
{
	struct bnx2x *bp = fp->bp;
	int cid = SW_CID(rr_cqe->ramrod_cqe.conn_and_cmd_data);
	int command = CQE_CMD(rr_cqe->ramrod_cqe.conn_and_cmd_data);

1371
	DP(BNX2X_MSG_SP,
E
Eliezer Tamir 已提交
1372
	   "fp %d  cid %d  got ramrod #%d  state is %x  type is %d\n",
1373
	   fp->index, cid, command, bp->state,
1374
	   rr_cqe->ramrod_cqe.ramrod_type);
E
Eliezer Tamir 已提交
1375

1376 1377 1378 1379
	switch (command | fp->state) {
	case (RAMROD_CMD_ID_ETH_CLIENT_SETUP | BNX2X_FP_STATE_OPENING):
		DP(NETIF_MSG_IFUP, "got MULTI[%d] setup ramrod\n", cid);
		fp->state = BNX2X_FP_STATE_OPEN;
E
Eliezer Tamir 已提交
1380 1381
		break;

1382 1383
	case (RAMROD_CMD_ID_ETH_HALT | BNX2X_FP_STATE_HALTING):
		DP(NETIF_MSG_IFDOWN, "got MULTI[%d] halt ramrod\n", cid);
E
Eliezer Tamir 已提交
1384 1385 1386
		fp->state = BNX2X_FP_STATE_HALTED;
		break;

1387 1388 1389
	case (RAMROD_CMD_ID_ETH_TERMINATE | BNX2X_FP_STATE_TERMINATING):
		DP(NETIF_MSG_IFDOWN, "got MULTI[%d] teminate ramrod\n", cid);
		fp->state = BNX2X_FP_STATE_TERMINATED;
E
Eliezer Tamir 已提交
1390 1391
		break;

1392 1393 1394 1395
	default:
		BNX2X_ERR("unexpected MC reply (%d)  "
			  "fp[%d] state is %x\n",
			  command, fp->index, fp->state);
1396
		break;
1397
	}
1398

1399 1400
	smp_mb__before_atomic_inc();
	atomic_inc(&bp->spq_left);
1401 1402
	/* push the change in fp->state and towards the memory */
	smp_wmb();
1403

1404
	return;
E
Eliezer Tamir 已提交
1405 1406
}

D
Dmitry Kravkov 已提交
1407
irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
E
Eliezer Tamir 已提交
1408
{
E
Eilon Greenstein 已提交
1409
	struct bnx2x *bp = netdev_priv(dev_instance);
E
Eliezer Tamir 已提交
1410
	u16 status = bnx2x_ack_int(bp);
1411
	u16 mask;
E
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1412
	int i;
E
Eliezer Tamir 已提交
1413

1414
	/* Return here if interrupt is shared and it's not for us */
E
Eliezer Tamir 已提交
1415 1416 1417 1418
	if (unlikely(status == 0)) {
		DP(NETIF_MSG_INTR, "not our interrupt!\n");
		return IRQ_NONE;
	}
E
Eilon Greenstein 已提交
1419
	DP(NETIF_MSG_INTR, "got an interrupt  status 0x%x\n", status);
E
Eliezer Tamir 已提交
1420

1421
	/* Return here if interrupt is disabled */
E
Eliezer Tamir 已提交
1422 1423 1424 1425 1426
	if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
		DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
		return IRQ_HANDLED;
	}

1427 1428 1429 1430 1431
#ifdef BNX2X_STOP_ON_ERROR
	if (unlikely(bp->panic))
		return IRQ_HANDLED;
#endif

V
Vladislav Zolotarov 已提交
1432
	for_each_eth_queue(bp, i) {
E
Eilon Greenstein 已提交
1433
		struct bnx2x_fastpath *fp = &bp->fp[i];
E
Eliezer Tamir 已提交
1434

1435
		mask = 0x2 << (fp->index + CNIC_CONTEXT_USE);
E
Eilon Greenstein 已提交
1436
		if (status & mask) {
1437 1438 1439
			/* Handle Rx and Tx according to SB id */
			prefetch(fp->rx_cons_sb);
			prefetch(fp->tx_cons_sb);
1440
			prefetch(&fp->sb_running_index[SM_RX_ID]);
1441
			napi_schedule(&bnx2x_fp(bp, fp->index, napi));
E
Eilon Greenstein 已提交
1442 1443
			status &= ~mask;
		}
E
Eliezer Tamir 已提交
1444 1445
	}

1446
#ifdef BCM_CNIC
1447
	mask = 0x2;
1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459
	if (status & (mask | 0x1)) {
		struct cnic_ops *c_ops = NULL;

		rcu_read_lock();
		c_ops = rcu_dereference(bp->cnic_ops);
		if (c_ops)
			c_ops->cnic_handler(bp->cnic_data, NULL);
		rcu_read_unlock();

		status &= ~mask;
	}
#endif
E
Eliezer Tamir 已提交
1460

1461
	if (unlikely(status & 0x1)) {
1462
		queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
E
Eliezer Tamir 已提交
1463 1464 1465 1466 1467 1468

		status &= ~0x1;
		if (!status)
			return IRQ_HANDLED;
	}

V
Vladislav Zolotarov 已提交
1469 1470
	if (unlikely(status))
		DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
1471
		   status);
E
Eliezer Tamir 已提交
1472

Y
Yaniv Rosner 已提交
1473
	return IRQ_HANDLED;
E
Eliezer Tamir 已提交
1474 1475
}

Y
Yaniv Rosner 已提交
1476
/* end of fast path */
E
Eliezer Tamir 已提交
1477 1478


Y
Yaniv Rosner 已提交
1479 1480 1481 1482 1483
/* Link */

/*
 * General service functions
 */
E
Eliezer Tamir 已提交
1484

D
Dmitry Kravkov 已提交
1485
int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource)
Y
Yaniv Rosner 已提交
1486 1487 1488
{
	u32 lock_status;
	u32 resource_bit = (1 << resource);
Y
Yitchak Gertner 已提交
1489 1490
	int func = BP_FUNC(bp);
	u32 hw_lock_control_reg;
Y
Yaniv Rosner 已提交
1491
	int cnt;
E
Eliezer Tamir 已提交
1492

Y
Yaniv Rosner 已提交
1493 1494 1495 1496 1497 1498 1499
	/* Validating that the resource is within range */
	if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
		DP(NETIF_MSG_HW,
		   "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
		   resource, HW_LOCK_MAX_RESOURCE_VALUE);
		return -EINVAL;
	}
E
Eliezer Tamir 已提交
1500

Y
Yitchak Gertner 已提交
1501 1502 1503 1504 1505 1506 1507
	if (func <= 5) {
		hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
	} else {
		hw_lock_control_reg =
				(MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
	}

Y
Yaniv Rosner 已提交
1508
	/* Validating that the resource is not already taken */
Y
Yitchak Gertner 已提交
1509
	lock_status = REG_RD(bp, hw_lock_control_reg);
Y
Yaniv Rosner 已提交
1510 1511 1512 1513 1514
	if (lock_status & resource_bit) {
		DP(NETIF_MSG_HW, "lock_status 0x%x  resource_bit 0x%x\n",
		   lock_status, resource_bit);
		return -EEXIST;
	}
E
Eliezer Tamir 已提交
1515

E
Eilon Greenstein 已提交
1516 1517
	/* Try for 5 second every 5ms */
	for (cnt = 0; cnt < 1000; cnt++) {
Y
Yaniv Rosner 已提交
1518
		/* Try to acquire the lock */
Y
Yitchak Gertner 已提交
1519 1520
		REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
		lock_status = REG_RD(bp, hw_lock_control_reg);
Y
Yaniv Rosner 已提交
1521 1522
		if (lock_status & resource_bit)
			return 0;
E
Eliezer Tamir 已提交
1523

Y
Yaniv Rosner 已提交
1524
		msleep(5);
E
Eliezer Tamir 已提交
1525
	}
Y
Yaniv Rosner 已提交
1526 1527 1528
	DP(NETIF_MSG_HW, "Timeout\n");
	return -EAGAIN;
}
E
Eliezer Tamir 已提交
1529

D
Dmitry Kravkov 已提交
1530
int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource)
Y
Yaniv Rosner 已提交
1531 1532 1533
{
	u32 lock_status;
	u32 resource_bit = (1 << resource);
Y
Yitchak Gertner 已提交
1534 1535
	int func = BP_FUNC(bp);
	u32 hw_lock_control_reg;
E
Eliezer Tamir 已提交
1536

1537 1538
	DP(NETIF_MSG_HW, "Releasing a lock on resource %d\n", resource);

Y
Yaniv Rosner 已提交
1539 1540 1541 1542 1543 1544 1545 1546
	/* Validating that the resource is within range */
	if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
		DP(NETIF_MSG_HW,
		   "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
		   resource, HW_LOCK_MAX_RESOURCE_VALUE);
		return -EINVAL;
	}

Y
Yitchak Gertner 已提交
1547 1548 1549 1550 1551 1552 1553
	if (func <= 5) {
		hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
	} else {
		hw_lock_control_reg =
				(MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
	}

Y
Yaniv Rosner 已提交
1554
	/* Validating that the resource is currently taken */
Y
Yitchak Gertner 已提交
1555
	lock_status = REG_RD(bp, hw_lock_control_reg);
Y
Yaniv Rosner 已提交
1556 1557 1558 1559
	if (!(lock_status & resource_bit)) {
		DP(NETIF_MSG_HW, "lock_status 0x%x  resource_bit 0x%x\n",
		   lock_status, resource_bit);
		return -EFAULT;
E
Eliezer Tamir 已提交
1560 1561
	}

D
Dmitry Kravkov 已提交
1562 1563
	REG_WR(bp, hw_lock_control_reg, resource_bit);
	return 0;
Y
Yaniv Rosner 已提交
1564
}
E
Eliezer Tamir 已提交
1565

D
Dmitry Kravkov 已提交
1566

E
Eilon Greenstein 已提交
1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596
int bnx2x_get_gpio(struct bnx2x *bp, int gpio_num, u8 port)
{
	/* The GPIO should be swapped if swap register is set and active */
	int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
			 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
	int gpio_shift = gpio_num +
			(gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
	u32 gpio_mask = (1 << gpio_shift);
	u32 gpio_reg;
	int value;

	if (gpio_num > MISC_REGISTERS_GPIO_3) {
		BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
		return -EINVAL;
	}

	/* read GPIO value */
	gpio_reg = REG_RD(bp, MISC_REG_GPIO);

	/* get the requested pin value */
	if ((gpio_reg & gpio_mask) == gpio_mask)
		value = 1;
	else
		value = 0;

	DP(NETIF_MSG_LINK, "pin %d  value 0x%x\n", gpio_num, value);

	return value;
}

1597
int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
Y
Yaniv Rosner 已提交
1598 1599 1600
{
	/* The GPIO should be swapped if swap register is set and active */
	int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1601
			 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
Y
Yaniv Rosner 已提交
1602 1603 1604 1605
	int gpio_shift = gpio_num +
			(gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
	u32 gpio_mask = (1 << gpio_shift);
	u32 gpio_reg;
E
Eliezer Tamir 已提交
1606

Y
Yaniv Rosner 已提交
1607 1608 1609 1610
	if (gpio_num > MISC_REGISTERS_GPIO_3) {
		BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
		return -EINVAL;
	}
E
Eliezer Tamir 已提交
1611

Y
Yitchak Gertner 已提交
1612
	bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Y
Yaniv Rosner 已提交
1613 1614
	/* read GPIO and mask except the float bits */
	gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT);
E
Eliezer Tamir 已提交
1615

Y
Yaniv Rosner 已提交
1616 1617 1618 1619 1620 1621 1622 1623
	switch (mode) {
	case MISC_REGISTERS_GPIO_OUTPUT_LOW:
		DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output low\n",
		   gpio_num, gpio_shift);
		/* clear FLOAT and set CLR */
		gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
		gpio_reg |=  (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS);
		break;
E
Eliezer Tamir 已提交
1624

Y
Yaniv Rosner 已提交
1625 1626 1627 1628 1629 1630 1631
	case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
		DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output high\n",
		   gpio_num, gpio_shift);
		/* clear FLOAT and set SET */
		gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
		gpio_reg |=  (gpio_mask << MISC_REGISTERS_GPIO_SET_POS);
		break;
E
Eliezer Tamir 已提交
1632

1633
	case MISC_REGISTERS_GPIO_INPUT_HI_Z:
Y
Yaniv Rosner 已提交
1634 1635 1636 1637 1638
		DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> input\n",
		   gpio_num, gpio_shift);
		/* set FLOAT */
		gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
		break;
E
Eliezer Tamir 已提交
1639

Y
Yaniv Rosner 已提交
1640 1641
	default:
		break;
E
Eliezer Tamir 已提交
1642 1643
	}

Y
Yaniv Rosner 已提交
1644
	REG_WR(bp, MISC_REG_GPIO, gpio_reg);
Y
Yitchak Gertner 已提交
1645
	bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
E
Eliezer Tamir 已提交
1646

Y
Yaniv Rosner 已提交
1647
	return 0;
E
Eliezer Tamir 已提交
1648 1649
}

E
Eilon Greenstein 已提交
1650 1651 1652 1653 1654 1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695
int bnx2x_set_gpio_int(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
{
	/* The GPIO should be swapped if swap register is set and active */
	int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
			 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
	int gpio_shift = gpio_num +
			(gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
	u32 gpio_mask = (1 << gpio_shift);
	u32 gpio_reg;

	if (gpio_num > MISC_REGISTERS_GPIO_3) {
		BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
		return -EINVAL;
	}

	bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
	/* read GPIO int */
	gpio_reg = REG_RD(bp, MISC_REG_GPIO_INT);

	switch (mode) {
	case MISC_REGISTERS_GPIO_INT_OUTPUT_CLR:
		DP(NETIF_MSG_LINK, "Clear GPIO INT %d (shift %d) -> "
				   "output low\n", gpio_num, gpio_shift);
		/* clear SET and set CLR */
		gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
		gpio_reg |=  (gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
		break;

	case MISC_REGISTERS_GPIO_INT_OUTPUT_SET:
		DP(NETIF_MSG_LINK, "Set GPIO INT %d (shift %d) -> "
				   "output high\n", gpio_num, gpio_shift);
		/* clear CLR and set SET */
		gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
		gpio_reg |=  (gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
		break;

	default:
		break;
	}

	REG_WR(bp, MISC_REG_GPIO_INT, gpio_reg);
	bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);

	return 0;
}

Y
Yaniv Rosner 已提交
1696
static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode)
E
Eliezer Tamir 已提交
1697
{
Y
Yaniv Rosner 已提交
1698 1699
	u32 spio_mask = (1 << spio_num);
	u32 spio_reg;
E
Eliezer Tamir 已提交
1700

Y
Yaniv Rosner 已提交
1701 1702 1703 1704
	if ((spio_num < MISC_REGISTERS_SPIO_4) ||
	    (spio_num > MISC_REGISTERS_SPIO_7)) {
		BNX2X_ERR("Invalid SPIO %d\n", spio_num);
		return -EINVAL;
E
Eliezer Tamir 已提交
1705 1706
	}

Y
Yitchak Gertner 已提交
1707
	bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Y
Yaniv Rosner 已提交
1708 1709
	/* read SPIO and mask except the float bits */
	spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_REGISTERS_SPIO_FLOAT);
E
Eliezer Tamir 已提交
1710

Y
Yaniv Rosner 已提交
1711
	switch (mode) {
E
Eilon Greenstein 已提交
1712
	case MISC_REGISTERS_SPIO_OUTPUT_LOW:
Y
Yaniv Rosner 已提交
1713 1714 1715 1716 1717
		DP(NETIF_MSG_LINK, "Set SPIO %d -> output low\n", spio_num);
		/* clear FLOAT and set CLR */
		spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
		spio_reg |=  (spio_mask << MISC_REGISTERS_SPIO_CLR_POS);
		break;
E
Eliezer Tamir 已提交
1718

E
Eilon Greenstein 已提交
1719
	case MISC_REGISTERS_SPIO_OUTPUT_HIGH:
Y
Yaniv Rosner 已提交
1720 1721 1722 1723 1724
		DP(NETIF_MSG_LINK, "Set SPIO %d -> output high\n", spio_num);
		/* clear FLOAT and set SET */
		spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
		spio_reg |=  (spio_mask << MISC_REGISTERS_SPIO_SET_POS);
		break;
E
Eliezer Tamir 已提交
1725

Y
Yaniv Rosner 已提交
1726 1727 1728 1729 1730
	case MISC_REGISTERS_SPIO_INPUT_HI_Z:
		DP(NETIF_MSG_LINK, "Set SPIO %d -> input\n", spio_num);
		/* set FLOAT */
		spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
		break;
E
Eliezer Tamir 已提交
1731

Y
Yaniv Rosner 已提交
1732 1733
	default:
		break;
E
Eliezer Tamir 已提交
1734 1735
	}

Y
Yaniv Rosner 已提交
1736
	REG_WR(bp, MISC_REG_SPIO, spio_reg);
Y
Yitchak Gertner 已提交
1737
	bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Y
Yaniv Rosner 已提交
1738

E
Eliezer Tamir 已提交
1739 1740 1741
	return 0;
}

Y
Yaniv Rosner 已提交
1742 1743 1744 1745 1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 1767 1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 1780
int bnx2x_get_link_cfg_idx(struct bnx2x *bp)
{
	u32 sel_phy_idx = 0;
	if (bp->link_vars.link_up) {
		sel_phy_idx = EXT_PHY1;
		/* In case link is SERDES, check if the EXT_PHY2 is the one */
		if ((bp->link_vars.link_status & LINK_STATUS_SERDES_LINK) &&
		    (bp->link_params.phy[EXT_PHY2].supported & SUPPORTED_FIBRE))
			sel_phy_idx = EXT_PHY2;
	} else {

		switch (bnx2x_phy_selection(&bp->link_params)) {
		case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
		case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
		case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
		       sel_phy_idx = EXT_PHY1;
		       break;
		case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
		case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
		       sel_phy_idx = EXT_PHY2;
		       break;
		}
	}
	/*
	* The selected actived PHY is always after swapping (in case PHY
	* swapping is enabled). So when swapping is enabled, we need to reverse
	* the configuration
	*/

	if (bp->link_params.multi_phy_config &
	    PORT_HW_CFG_PHY_SWAPPED_ENABLED) {
		if (sel_phy_idx == EXT_PHY1)
			sel_phy_idx = EXT_PHY2;
		else if (sel_phy_idx == EXT_PHY2)
			sel_phy_idx = EXT_PHY1;
	}
	return LINK_CONFIG_IDX(sel_phy_idx);
}

D
Dmitry Kravkov 已提交
1781
void bnx2x_calc_fc_adv(struct bnx2x *bp)
E
Eliezer Tamir 已提交
1782
{
Y
Yaniv Rosner 已提交
1783
	u8 cfg_idx = bnx2x_get_link_cfg_idx(bp);
1784 1785
	switch (bp->link_vars.ieee_fc &
		MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK) {
Y
Yaniv Rosner 已提交
1786
	case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE:
Y
Yaniv Rosner 已提交
1787
		bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
D
Dmitry Kravkov 已提交
1788
						   ADVERTISED_Pause);
Y
Yaniv Rosner 已提交
1789
		break;
E
Eilon Greenstein 已提交
1790

Y
Yaniv Rosner 已提交
1791
	case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
Y
Yaniv Rosner 已提交
1792
		bp->port.advertising[cfg_idx] |= (ADVERTISED_Asym_Pause |
D
Dmitry Kravkov 已提交
1793
						  ADVERTISED_Pause);
Y
Yaniv Rosner 已提交
1794
		break;
E
Eilon Greenstein 已提交
1795

Y
Yaniv Rosner 已提交
1796
	case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
Y
Yaniv Rosner 已提交
1797
		bp->port.advertising[cfg_idx] |= ADVERTISED_Asym_Pause;
Y
Yaniv Rosner 已提交
1798
		break;
E
Eilon Greenstein 已提交
1799

Y
Yaniv Rosner 已提交
1800
	default:
Y
Yaniv Rosner 已提交
1801
		bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
D
Dmitry Kravkov 已提交
1802
						   ADVERTISED_Pause);
Y
Yaniv Rosner 已提交
1803 1804 1805
		break;
	}
}
E
Eliezer Tamir 已提交
1806

D
Dmitry Kravkov 已提交
1807
u8 bnx2x_initial_phy_init(struct bnx2x *bp, int load_mode)
Y
Yaniv Rosner 已提交
1808
{
1809 1810
	if (!BP_NOMCP(bp)) {
		u8 rc;
Y
Yaniv Rosner 已提交
1811 1812
		int cfx_idx = bnx2x_get_link_cfg_idx(bp);
		u16 req_line_speed = bp->link_params.req_line_speed[cfx_idx];
1813
		/* Initialize link parameters structure variables */
Y
Yaniv Rosner 已提交
1814 1815
		/* It is recommended to turn off RX FC for jumbo frames
		   for better performance */
D
Dmitry Kravkov 已提交
1816
		if ((CHIP_IS_E1x(bp)) && (bp->dev->mtu > 5000))
1817
			bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_TX;
Y
Yaniv Rosner 已提交
1818
		else
1819
			bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH;
E
Eliezer Tamir 已提交
1820

Y
Yitchak Gertner 已提交
1821
		bnx2x_acquire_phy_lock(bp);
E
Eilon Greenstein 已提交
1822

Y
Yaniv Rosner 已提交
1823
		if (load_mode == LOAD_DIAG) {
Y
Yaniv Rosner 已提交
1824
			bp->link_params.loopback_mode = LOOPBACK_XGXS;
Y
Yaniv Rosner 已提交
1825 1826
			bp->link_params.req_line_speed[cfx_idx] = SPEED_10000;
		}
E
Eilon Greenstein 已提交
1827

1828
		rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
E
Eilon Greenstein 已提交
1829

Y
Yitchak Gertner 已提交
1830
		bnx2x_release_phy_lock(bp);
E
Eliezer Tamir 已提交
1831

1832 1833
		bnx2x_calc_fc_adv(bp);

E
Eilon Greenstein 已提交
1834 1835
		if (CHIP_REV_IS_SLOW(bp) && bp->link_vars.link_up) {
			bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
1836
			bnx2x_link_report(bp);
E
Eilon Greenstein 已提交
1837
		}
Y
Yaniv Rosner 已提交
1838
		bp->link_params.req_line_speed[cfx_idx] = req_line_speed;
1839 1840
		return rc;
	}
E
Eilon Greenstein 已提交
1841
	BNX2X_ERR("Bootcode is missing - can not initialize link\n");
1842
	return -EINVAL;
E
Eliezer Tamir 已提交
1843 1844
}

D
Dmitry Kravkov 已提交
1845
void bnx2x_link_set(struct bnx2x *bp)
E
Eliezer Tamir 已提交
1846
{
1847
	if (!BP_NOMCP(bp)) {
Y
Yitchak Gertner 已提交
1848
		bnx2x_acquire_phy_lock(bp);
1849
		bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
1850
		bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Y
Yitchak Gertner 已提交
1851
		bnx2x_release_phy_lock(bp);
E
Eliezer Tamir 已提交
1852

1853 1854
		bnx2x_calc_fc_adv(bp);
	} else
E
Eilon Greenstein 已提交
1855
		BNX2X_ERR("Bootcode is missing - can not set link\n");
Y
Yaniv Rosner 已提交
1856
}
E
Eliezer Tamir 已提交
1857

Y
Yaniv Rosner 已提交
1858 1859
static void bnx2x__link_reset(struct bnx2x *bp)
{
1860
	if (!BP_NOMCP(bp)) {
Y
Yitchak Gertner 已提交
1861
		bnx2x_acquire_phy_lock(bp);
E
Eilon Greenstein 已提交
1862
		bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
Y
Yitchak Gertner 已提交
1863
		bnx2x_release_phy_lock(bp);
1864
	} else
E
Eilon Greenstein 已提交
1865
		BNX2X_ERR("Bootcode is missing - can not reset link\n");
Y
Yaniv Rosner 已提交
1866
}
E
Eliezer Tamir 已提交
1867

Y
Yaniv Rosner 已提交
1868
u8 bnx2x_link_test(struct bnx2x *bp, u8 is_serdes)
Y
Yaniv Rosner 已提交
1869
{
1870
	u8 rc = 0;
E
Eliezer Tamir 已提交
1871

1872 1873
	if (!BP_NOMCP(bp)) {
		bnx2x_acquire_phy_lock(bp);
Y
Yaniv Rosner 已提交
1874 1875
		rc = bnx2x_test_link(&bp->link_params, &bp->link_vars,
				     is_serdes);
1876 1877 1878
		bnx2x_release_phy_lock(bp);
	} else
		BNX2X_ERR("Bootcode is missing - can not test link\n");
E
Eliezer Tamir 已提交
1879

Y
Yaniv Rosner 已提交
1880 1881
	return rc;
}
E
Eliezer Tamir 已提交
1882

E
Eilon Greenstein 已提交
1883
static void bnx2x_init_port_minmax(struct bnx2x *bp)
1884
{
E
Eilon Greenstein 已提交
1885 1886 1887
	u32 r_param = bp->link_vars.line_speed / 8;
	u32 fair_periodic_timeout_usec;
	u32 t_fair;
1888

E
Eilon Greenstein 已提交
1889 1890 1891
	memset(&(bp->cmng.rs_vars), 0,
	       sizeof(struct rate_shaping_vars_per_port));
	memset(&(bp->cmng.fair_vars), 0, sizeof(struct fairness_vars_per_port));
1892

E
Eilon Greenstein 已提交
1893 1894
	/* 100 usec in SDM ticks = 25 since each tick is 4 usec */
	bp->cmng.rs_vars.rs_periodic_timeout = RS_PERIODIC_TIMEOUT_USEC / 4;
1895

E
Eilon Greenstein 已提交
1896 1897 1898 1899
	/* this is the threshold below which no timer arming will occur
	   1.25 coefficient is for the threshold to be a little bigger
	   than the real time, to compensate for timer in-accuracy */
	bp->cmng.rs_vars.rs_threshold =
1900 1901
				(RS_PERIODIC_TIMEOUT_USEC * r_param * 5) / 4;

E
Eilon Greenstein 已提交
1902 1903 1904 1905
	/* resolution of fairness timer */
	fair_periodic_timeout_usec = QM_ARB_BYTES / r_param;
	/* for 10G it is 1000usec. for 1G it is 10000usec. */
	t_fair = T_FAIR_COEF / bp->link_vars.line_speed;
1906

E
Eilon Greenstein 已提交
1907 1908
	/* this is the threshold below which we won't arm the timer anymore */
	bp->cmng.fair_vars.fair_threshold = QM_ARB_BYTES;
1909

E
Eilon Greenstein 已提交
1910 1911 1912 1913 1914 1915
	/* we multiply by 1e3/8 to get bytes/msec.
	   We don't want the credits to pass a credit
	   of the t_fair*FAIR_MEM (algorithm resolution) */
	bp->cmng.fair_vars.upper_bound = r_param * t_fair * FAIR_MEM;
	/* since each tick is 4 usec */
	bp->cmng.fair_vars.fairness_timeout = fair_periodic_timeout_usec / 4;
1916 1917
}

1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933
/* Calculates the sum of vn_min_rates.
   It's needed for further normalizing of the min_rates.
   Returns:
     sum of vn_min_rates.
       or
     0 - if all the min_rates are 0.
     In the later case fainess algorithm should be deactivated.
     If not all min_rates are zero then those that are zeroes will be set to 1.
 */
static void bnx2x_calc_vn_weight_sum(struct bnx2x *bp)
{
	int all_zero = 1;
	int vn;

	bp->vn_weight_sum = 0;
	for (vn = VN_0; vn < E1HVN_MAX; vn++) {
D
Dmitry Kravkov 已提交
1934
		u32 vn_cfg = bp->mf_config[vn];
1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951
		u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
				   FUNC_MF_CFG_MIN_BW_SHIFT) * 100;

		/* Skip hidden vns */
		if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE)
			continue;

		/* If min rate is zero - set it to 1 */
		if (!vn_min_rate)
			vn_min_rate = DEF_MIN_RATE;
		else
			all_zero = 0;

		bp->vn_weight_sum += vn_min_rate;
	}

	/* ... only if all min rates are zeros - disable fairness */
1952 1953 1954 1955 1956 1957 1958 1959
	if (all_zero) {
		bp->cmng.flags.cmng_enables &=
					~CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
		DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
		   "  fairness will be disabled\n");
	} else
		bp->cmng.flags.cmng_enables |=
					CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
1960 1961
}

D
Dmitry Kravkov 已提交
1962
static void bnx2x_init_vn_minmax(struct bnx2x *bp, int vn)
1963 1964 1965
{
	struct rate_shaping_vars_per_vn m_rs_vn;
	struct fairness_vars_per_vn m_fair_vn;
D
Dmitry Kravkov 已提交
1966 1967
	u32 vn_cfg = bp->mf_config[vn];
	int func = 2*vn + BP_PORT(bp);
1968 1969 1970 1971 1972 1973 1974 1975 1976
	u16 vn_min_rate, vn_max_rate;
	int i;

	/* If function is hidden - set min and max to zeroes */
	if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE) {
		vn_min_rate = 0;
		vn_max_rate = 0;

	} else {
1977 1978
		u32 maxCfg = bnx2x_extract_max_cfg(bp, vn_cfg);

1979 1980
		vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
				FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
1981 1982 1983
		/* If fairness is enabled (not all min rates are zeroes) and
		   if current min rate is zero - set it to 1.
		   This is a requirement of the algorithm. */
D
Dmitry Kravkov 已提交
1984
		if (bp->vn_weight_sum && (vn_min_rate == 0))
1985
			vn_min_rate = DEF_MIN_RATE;
1986 1987 1988 1989 1990 1991 1992

		if (IS_MF_SI(bp))
			/* maxCfg in percents of linkspeed */
			vn_max_rate = (bp->link_vars.line_speed * maxCfg) / 100;
		else
			/* maxCfg is absolute in 100Mb units */
			vn_max_rate = maxCfg * 100;
1993
	}
D
Dmitry Kravkov 已提交
1994

E
Eilon Greenstein 已提交
1995
	DP(NETIF_MSG_IFUP,
1996
	   "func %d: vn_min_rate %d  vn_max_rate %d  vn_weight_sum %d\n",
E
Eilon Greenstein 已提交
1997
	   func, vn_min_rate, vn_max_rate, bp->vn_weight_sum);
1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008

	memset(&m_rs_vn, 0, sizeof(struct rate_shaping_vars_per_vn));
	memset(&m_fair_vn, 0, sizeof(struct fairness_vars_per_vn));

	/* global vn counter - maximal Mbps for this vn */
	m_rs_vn.vn_counter.rate = vn_max_rate;

	/* quota - number of bytes transmitted in this period */
	m_rs_vn.vn_counter.quota =
				(vn_max_rate * RS_PERIODIC_TIMEOUT_USEC) / 8;

E
Eilon Greenstein 已提交
2009
	if (bp->vn_weight_sum) {
2010 2011
		/* credit for each period of the fairness algorithm:
		   number of bytes in T_FAIR (the vn share the port rate).
E
Eilon Greenstein 已提交
2012 2013 2014
		   vn_weight_sum should not be larger than 10000, thus
		   T_FAIR_COEF / (8 * vn_weight_sum) will always be greater
		   than zero */
2015
		m_fair_vn.vn_credit_delta =
V
Vladislav Zolotarov 已提交
2016 2017 2018 2019
			max_t(u32, (vn_min_rate * (T_FAIR_COEF /
						   (8 * bp->vn_weight_sum))),
			      (bp->cmng.fair_vars.fair_threshold * 2));
		DP(NETIF_MSG_IFUP, "m_fair_vn.vn_credit_delta %d\n",
2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033
		   m_fair_vn.vn_credit_delta);
	}

	/* Store it to internal memory */
	for (i = 0; i < sizeof(struct rate_shaping_vars_per_vn)/4; i++)
		REG_WR(bp, BAR_XSTRORM_INTMEM +
		       XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func) + i * 4,
		       ((u32 *)(&m_rs_vn))[i]);

	for (i = 0; i < sizeof(struct fairness_vars_per_vn)/4; i++)
		REG_WR(bp, BAR_XSTRORM_INTMEM +
		       XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func) + i * 4,
		       ((u32 *)(&m_fair_vn))[i]);
}
D
Dmitry Kravkov 已提交
2034

2035 2036 2037 2038
static int bnx2x_get_cmng_fns_mode(struct bnx2x *bp)
{
	if (CHIP_REV_IS_SLOW(bp))
		return CMNG_FNS_NONE;
D
Dmitry Kravkov 已提交
2039
	if (IS_MF(bp))
2040 2041 2042 2043 2044 2045 2046
		return CMNG_FNS_MINMAX;

	return CMNG_FNS_NONE;
}

static void bnx2x_read_mf_cfg(struct bnx2x *bp)
{
2047
	int vn, n = (CHIP_MODE_IS_4_PORT(bp) ? 2 : 1);
2048 2049 2050 2051

	if (BP_NOMCP(bp))
		return; /* what should be the default bvalue in this case */

2052 2053 2054 2055 2056 2057 2058 2059 2060 2061 2062
	/* For 2 port configuration the absolute function number formula
	 * is:
	 *      abs_func = 2 * vn + BP_PORT + BP_PATH
	 *
	 *      and there are 4 functions per port
	 *
	 * For 4 port configuration it is
	 *      abs_func = 4 * vn + 2 * BP_PORT + BP_PATH
	 *
	 *      and there are 2 functions per port
	 */
2063
	for (vn = VN_0; vn < E1HVN_MAX; vn++) {
2064 2065 2066 2067 2068
		int /*abs*/func = n * (2 * vn + BP_PORT(bp)) + BP_PATH(bp);

		if (func >= E1H_FUNC_MAX)
			break;

D
Dmitry Kravkov 已提交
2069
		bp->mf_config[vn] =
2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 2080 2081 2082 2083 2084 2085 2086 2087 2088 2089 2090 2091 2092 2093 2094 2095 2096 2097 2098 2099 2100 2101 2102 2103 2104 2105 2106 2107 2108 2109
			MF_CFG_RD(bp, func_mf_config[func].config);
	}
}

static void bnx2x_cmng_fns_init(struct bnx2x *bp, u8 read_cfg, u8 cmng_type)
{

	if (cmng_type == CMNG_FNS_MINMAX) {
		int vn;

		/* clear cmng_enables */
		bp->cmng.flags.cmng_enables = 0;

		/* read mf conf from shmem */
		if (read_cfg)
			bnx2x_read_mf_cfg(bp);

		/* Init rate shaping and fairness contexts */
		bnx2x_init_port_minmax(bp);

		/* vn_weight_sum and enable fairness if not 0 */
		bnx2x_calc_vn_weight_sum(bp);

		/* calculate and set min-max rate for each vn */
		for (vn = VN_0; vn < E1HVN_MAX; vn++)
			bnx2x_init_vn_minmax(bp, vn);

		/* always enable rate shaping and fairness */
		bp->cmng.flags.cmng_enables |=
					CMNG_FLAGS_PER_PORT_RATE_SHAPING_VN;
		if (!bp->vn_weight_sum)
			DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
				   "  fairness will be disabled\n");
		return;
	}

	/* rate shaping and fairness are disabled */
	DP(NETIF_MSG_IFUP,
	   "rate shaping and fairness are disabled\n");
}
2110

2111 2112 2113 2114 2115 2116 2117 2118 2119 2120 2121 2122 2123 2124 2125 2126
static inline void bnx2x_link_sync_notify(struct bnx2x *bp)
{
	int port = BP_PORT(bp);
	int func;
	int vn;

	/* Set the attention towards other drivers on the same port */
	for (vn = VN_0; vn < E1HVN_MAX; vn++) {
		if (vn == BP_E1HVN(bp))
			continue;

		func = ((vn << 1) | port);
		REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_0 +
		       (LINK_SYNC_ATTENTION_BIT_FUNC_0 + func)*4, 1);
	}
}
E
Eilon Greenstein 已提交
2127

Y
Yaniv Rosner 已提交
2128 2129 2130
/* This function is called upon link interrupt */
static void bnx2x_link_attn(struct bnx2x *bp)
{
2131
	u32 prev_link_status = bp->link_vars.link_status;
Y
Yitchak Gertner 已提交
2132 2133 2134
	/* Make sure that we are synced with the current statistics */
	bnx2x_stats_handle(bp, STATS_EVENT_STOP);

Y
Yaniv Rosner 已提交
2135
	bnx2x_link_update(&bp->link_params, &bp->link_vars);
E
Eliezer Tamir 已提交
2136

Y
Yitchak Gertner 已提交
2137 2138
	if (bp->link_vars.link_up) {

2139
		/* dropless flow control */
D
Dmitry Kravkov 已提交
2140
		if (!CHIP_IS_E1(bp) && bp->dropless_fc) {
2141 2142 2143 2144 2145 2146 2147
			int port = BP_PORT(bp);
			u32 pause_enabled = 0;

			if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX)
				pause_enabled = 1;

			REG_WR(bp, BAR_USTRORM_INTMEM +
E
Eilon Greenstein 已提交
2148
			       USTORM_ETH_PAUSE_ENABLED_OFFSET(port),
2149 2150 2151
			       pause_enabled);
		}

Y
Yitchak Gertner 已提交
2152 2153 2154 2155 2156 2157 2158 2159
		if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
			struct host_port_stats *pstats;

			pstats = bnx2x_sp(bp, port_stats);
			/* reset old bmac stats */
			memset(&(pstats->mac_stx[0]), 0,
			       sizeof(struct mac_stx));
		}
2160
		if (bp->state == BNX2X_STATE_OPEN)
Y
Yitchak Gertner 已提交
2161 2162 2163
			bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
	}

2164 2165 2166
	/* indicate link status only if link status actually changed */
	if (prev_link_status != bp->link_vars.link_status)
		bnx2x_link_report(bp);
2167

D
Dmitry Kravkov 已提交
2168 2169
	if (IS_MF(bp))
		bnx2x_link_sync_notify(bp);
2170

D
Dmitry Kravkov 已提交
2171 2172
	if (bp->link_vars.link_up && bp->link_vars.line_speed) {
		int cmng_fns = bnx2x_get_cmng_fns_mode(bp);
E
Eilon Greenstein 已提交
2173

D
Dmitry Kravkov 已提交
2174 2175 2176 2177 2178 2179 2180
		if (cmng_fns != CMNG_FNS_NONE) {
			bnx2x_cmng_fns_init(bp, false, cmng_fns);
			storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
		} else
			/* rate shaping and fairness are disabled */
			DP(NETIF_MSG_IFUP,
			   "single function mode without fairness\n");
2181
	}
Y
Yaniv Rosner 已提交
2182
}
E
Eliezer Tamir 已提交
2183

D
Dmitry Kravkov 已提交
2184
void bnx2x__link_status_update(struct bnx2x *bp)
Y
Yaniv Rosner 已提交
2185
{
2186
	if ((bp->state != BNX2X_STATE_OPEN) || (bp->flags & MF_FUNC_DIS))
Y
Yaniv Rosner 已提交
2187
		return;
E
Eliezer Tamir 已提交
2188

Y
Yaniv Rosner 已提交
2189
	bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
E
Eliezer Tamir 已提交
2190

Y
Yitchak Gertner 已提交
2191 2192 2193 2194 2195
	if (bp->link_vars.link_up)
		bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
	else
		bnx2x_stats_handle(bp, STATS_EVENT_STOP);

D
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2196 2197 2198
	/* the link status update could be the result of a DCC event
	   hence re-read the shmem mf configuration */
	bnx2x_read_mf_cfg(bp);
2199

Y
Yaniv Rosner 已提交
2200 2201
	/* indicate link status */
	bnx2x_link_report(bp);
E
Eliezer Tamir 已提交
2202 2203
}

2204 2205 2206 2207 2208 2209 2210 2211 2212 2213
static void bnx2x_pmf_update(struct bnx2x *bp)
{
	int port = BP_PORT(bp);
	u32 val;

	bp->port.pmf = 1;
	DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);

	/* enable nig attention */
	val = (0xff0f | (1 << (BP_E1HVN(bp) + 4)));
D
Dmitry Kravkov 已提交
2214 2215 2216 2217 2218 2219 2220
	if (bp->common.int_block == INT_BLOCK_HC) {
		REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
		REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
	} else if (CHIP_IS_E2(bp)) {
		REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
		REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
	}
Y
Yitchak Gertner 已提交
2221 2222

	bnx2x_stats_handle(bp, STATS_EVENT_PMF);
2223 2224
}

Y
Yaniv Rosner 已提交
2225
/* end of Link */
E
Eliezer Tamir 已提交
2226 2227 2228 2229 2230 2231 2232

/* slow path */

/*
 * General service functions
 */

2233
/* send the MCP a request, block until there is a reply */
Y
Yaniv Rosner 已提交
2234
u32 bnx2x_fw_command(struct bnx2x *bp, u32 command, u32 param)
2235
{
D
Dmitry Kravkov 已提交
2236
	int mb_idx = BP_FW_MB_IDX(bp);
2237 2238 2239 2240 2241
	u32 seq = ++bp->fw_seq;
	u32 rc = 0;
	u32 cnt = 1;
	u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;

E
Eilon Greenstein 已提交
2242
	mutex_lock(&bp->fw_mb_mutex);
D
Dmitry Kravkov 已提交
2243 2244 2245
	SHMEM_WR(bp, func_mb[mb_idx].drv_mb_param, param);
	SHMEM_WR(bp, func_mb[mb_idx].drv_mb_header, (command | seq));

2246 2247 2248 2249 2250 2251
	DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB\n", (command | seq));

	do {
		/* let the FW do it's magic ... */
		msleep(delay);

D
Dmitry Kravkov 已提交
2252
		rc = SHMEM_RD(bp, func_mb[mb_idx].fw_mb_header);
2253

E
Eilon Greenstein 已提交
2254 2255
		/* Give the FW up to 5 second (500*10ms) */
	} while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 500));
2256 2257 2258 2259 2260 2261 2262 2263 2264 2265 2266 2267 2268

	DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
	   cnt*delay, rc, seq);

	/* is this a reply to our command? */
	if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK))
		rc &= FW_MSG_CODE_MASK;
	else {
		/* FW BUG! */
		BNX2X_ERR("FW failed to respond!\n");
		bnx2x_fw_dump(bp);
		rc = 0;
	}
E
Eilon Greenstein 已提交
2269
	mutex_unlock(&bp->fw_mb_mutex);
2270 2271 2272 2273

	return rc;
}

V
Vladislav Zolotarov 已提交
2274 2275 2276 2277 2278 2279 2280 2281 2282
static u8 stat_counter_valid(struct bnx2x *bp, struct bnx2x_fastpath *fp)
{
#ifdef BCM_CNIC
	if (IS_FCOE_FP(fp) && IS_MF(bp))
		return false;
#endif
	return true;
}

2283
/* must be called under rtnl_lock */
2284
static void bnx2x_rxq_set_mac_filters(struct bnx2x *bp, u16 cl_id, u32 filters)
2285
{
2286
	u32 mask = (1 << cl_id);
2287

2288 2289 2290 2291
	/* initial seeting is BNX2X_ACCEPT_NONE */
	u8 drop_all_ucast = 1, drop_all_bcast = 1, drop_all_mcast = 1;
	u8 accp_all_ucast = 0, accp_all_bcast = 0, accp_all_mcast = 0;
	u8 unmatched_unicast = 0;
2292

2293 2294 2295
	if (filters & BNX2X_ACCEPT_UNMATCHED_UCAST)
		unmatched_unicast = 1;

2296 2297 2298 2299
	if (filters & BNX2X_PROMISCUOUS_MODE) {
		/* promiscious - accept all, drop none */
		drop_all_ucast = drop_all_bcast = drop_all_mcast = 0;
		accp_all_ucast = accp_all_bcast = accp_all_mcast = 1;
2300 2301 2302 2303 2304 2305 2306 2307
		if (IS_MF_SI(bp)) {
			/*
			 * SI mode defines to accept in promiscuos mode
			 * only unmatched packets
			 */
			unmatched_unicast = 1;
			accp_all_ucast = 0;
		}
2308 2309 2310 2311 2312
	}
	if (filters & BNX2X_ACCEPT_UNICAST) {
		/* accept matched ucast */
		drop_all_ucast = 0;
	}
2313
	if (filters & BNX2X_ACCEPT_MULTICAST)
2314 2315
		/* accept matched mcast */
		drop_all_mcast = 0;
2316

2317 2318 2319 2320 2321 2322 2323 2324 2325 2326 2327 2328 2329 2330 2331
	if (filters & BNX2X_ACCEPT_ALL_UNICAST) {
		/* accept all mcast */
		drop_all_ucast = 0;
		accp_all_ucast = 1;
	}
	if (filters & BNX2X_ACCEPT_ALL_MULTICAST) {
		/* accept all mcast */
		drop_all_mcast = 0;
		accp_all_mcast = 1;
	}
	if (filters & BNX2X_ACCEPT_BROADCAST) {
		/* accept (all) bcast */
		drop_all_bcast = 0;
		accp_all_bcast = 1;
	}
2332

2333 2334 2335
	bp->mac_filters.ucast_drop_all = drop_all_ucast ?
		bp->mac_filters.ucast_drop_all | mask :
		bp->mac_filters.ucast_drop_all & ~mask;
2336

2337 2338 2339
	bp->mac_filters.mcast_drop_all = drop_all_mcast ?
		bp->mac_filters.mcast_drop_all | mask :
		bp->mac_filters.mcast_drop_all & ~mask;
2340

2341 2342 2343
	bp->mac_filters.bcast_drop_all = drop_all_bcast ?
		bp->mac_filters.bcast_drop_all | mask :
		bp->mac_filters.bcast_drop_all & ~mask;
2344

2345 2346 2347
	bp->mac_filters.ucast_accept_all = accp_all_ucast ?
		bp->mac_filters.ucast_accept_all | mask :
		bp->mac_filters.ucast_accept_all & ~mask;
2348

2349 2350 2351 2352 2353 2354 2355 2356 2357 2358 2359
	bp->mac_filters.mcast_accept_all = accp_all_mcast ?
		bp->mac_filters.mcast_accept_all | mask :
		bp->mac_filters.mcast_accept_all & ~mask;

	bp->mac_filters.bcast_accept_all = accp_all_bcast ?
		bp->mac_filters.bcast_accept_all | mask :
		bp->mac_filters.bcast_accept_all & ~mask;

	bp->mac_filters.unmatched_unicast = unmatched_unicast ?
		bp->mac_filters.unmatched_unicast | mask :
		bp->mac_filters.unmatched_unicast & ~mask;
2360 2361
}

2362
static void bnx2x_func_init(struct bnx2x *bp, struct bnx2x_func_init_params *p)
2363
{
2364 2365
	struct tstorm_eth_function_common_config tcfg = {0};
	u16 rss_flgs;
2366

2367 2368 2369 2370
	/* tpa */
	if (p->func_flgs & FUNC_FLG_TPA)
		tcfg.config_flags |=
		TSTORM_ETH_FUNCTION_COMMON_CONFIG_ENABLE_TPA;
2371

2372 2373 2374 2375 2376 2377 2378 2379 2380 2381 2382 2383 2384 2385 2386 2387 2388
	/* set rss flags */
	rss_flgs = (p->rss->mode <<
		TSTORM_ETH_FUNCTION_COMMON_CONFIG_RSS_MODE_SHIFT);

	if (p->rss->cap & RSS_IPV4_CAP)
		rss_flgs |= RSS_IPV4_CAP_MASK;
	if (p->rss->cap & RSS_IPV4_TCP_CAP)
		rss_flgs |= RSS_IPV4_TCP_CAP_MASK;
	if (p->rss->cap & RSS_IPV6_CAP)
		rss_flgs |= RSS_IPV6_CAP_MASK;
	if (p->rss->cap & RSS_IPV6_TCP_CAP)
		rss_flgs |= RSS_IPV6_TCP_CAP_MASK;

	tcfg.config_flags |= rss_flgs;
	tcfg.rss_result_mask = p->rss->result_mask;

	storm_memset_func_cfg(bp, &tcfg, p->func_id);
2389

2390 2391 2392
	/* Enable the function in the FW */
	storm_memset_vf_to_pf(bp, p->func_id, p->pf_id);
	storm_memset_func_en(bp, p->func_id, 1);
2393

2394 2395 2396 2397
	/* statistics */
	if (p->func_flgs & FUNC_FLG_STATS) {
		struct stats_indication_flags stats_flags = {0};
		stats_flags.collect_eth = 1;
2398

2399 2400
		storm_memset_xstats_flags(bp, &stats_flags, p->func_id);
		storm_memset_xstats_addr(bp, p->fw_stat_map, p->func_id);
2401

2402 2403
		storm_memset_tstats_flags(bp, &stats_flags, p->func_id);
		storm_memset_tstats_addr(bp, p->fw_stat_map, p->func_id);
2404

2405 2406
		storm_memset_ustats_flags(bp, &stats_flags, p->func_id);
		storm_memset_ustats_addr(bp, p->fw_stat_map, p->func_id);
2407

2408 2409
		storm_memset_cstats_flags(bp, &stats_flags, p->func_id);
		storm_memset_cstats_addr(bp, p->fw_stat_map, p->func_id);
2410 2411
	}

2412 2413 2414 2415 2416 2417
	/* spq */
	if (p->func_flgs & FUNC_FLG_SPQ) {
		storm_memset_spq_addr(bp, p->spq_map, p->func_id);
		REG_WR(bp, XSEM_REG_FAST_MEMORY +
		       XSTORM_SPQ_PROD_OFFSET(p->func_id), p->spq_prod);
	}
2418 2419
}

2420 2421
static inline u16 bnx2x_get_cl_flags(struct bnx2x *bp,
				     struct bnx2x_fastpath *fp)
M
Michael Chan 已提交
2422
{
2423
	u16 flags = 0;
M
Michael Chan 已提交
2424

2425 2426 2427
	/* calculate queue flags */
	flags |= QUEUE_FLG_CACHE_ALIGN;
	flags |= QUEUE_FLG_HC;
2428
	flags |= IS_MF_SD(bp) ? QUEUE_FLG_OV : 0;
M
Michael Chan 已提交
2429

2430 2431 2432 2433 2434 2435
	flags |= QUEUE_FLG_VLAN;
	DP(NETIF_MSG_IFUP, "vlan removal enabled\n");

	if (!fp->disable_tpa)
		flags |= QUEUE_FLG_TPA;

V
Vladislav Zolotarov 已提交
2436 2437
	flags = stat_counter_valid(bp, fp) ?
			(flags | QUEUE_FLG_STATS) : (flags & ~QUEUE_FLG_STATS);
2438 2439 2440 2441 2442 2443 2444 2445 2446 2447 2448 2449 2450 2451 2452 2453 2454 2455 2456 2457 2458 2459 2460 2461 2462 2463 2464 2465 2466 2467 2468 2469 2470 2471 2472 2473 2474 2475 2476 2477 2478 2479 2480 2481 2482 2483 2484 2485 2486 2487 2488 2489 2490 2491 2492 2493 2494 2495 2496

	return flags;
}

static void bnx2x_pf_rx_cl_prep(struct bnx2x *bp,
	struct bnx2x_fastpath *fp, struct rxq_pause_params *pause,
	struct bnx2x_rxq_init_params *rxq_init)
{
	u16 max_sge = 0;
	u16 sge_sz = 0;
	u16 tpa_agg_size = 0;

	/* calculate queue flags */
	u16 flags = bnx2x_get_cl_flags(bp, fp);

	if (!fp->disable_tpa) {
		pause->sge_th_hi = 250;
		pause->sge_th_lo = 150;
		tpa_agg_size = min_t(u32,
			(min_t(u32, 8, MAX_SKB_FRAGS) *
			SGE_PAGE_SIZE * PAGES_PER_SGE), 0xffff);
		max_sge = SGE_PAGE_ALIGN(bp->dev->mtu) >>
			SGE_PAGE_SHIFT;
		max_sge = ((max_sge + PAGES_PER_SGE - 1) &
			  (~(PAGES_PER_SGE-1))) >> PAGES_PER_SGE_SHIFT;
		sge_sz = (u16)min_t(u32, SGE_PAGE_SIZE * PAGES_PER_SGE,
				    0xffff);
	}

	/* pause - not for e1 */
	if (!CHIP_IS_E1(bp)) {
		pause->bd_th_hi = 350;
		pause->bd_th_lo = 250;
		pause->rcq_th_hi = 350;
		pause->rcq_th_lo = 250;
		pause->sge_th_hi = 0;
		pause->sge_th_lo = 0;
		pause->pri_map = 1;
	}

	/* rxq setup */
	rxq_init->flags = flags;
	rxq_init->cxt = &bp->context.vcxt[fp->cid].eth;
	rxq_init->dscr_map = fp->rx_desc_mapping;
	rxq_init->sge_map = fp->rx_sge_mapping;
	rxq_init->rcq_map = fp->rx_comp_mapping;
	rxq_init->rcq_np_map = fp->rx_comp_mapping + BCM_PAGE_SIZE;
	rxq_init->mtu = bp->dev->mtu;
	rxq_init->buf_sz = bp->rx_buf_size;
	rxq_init->cl_qzone_id = fp->cl_qzone_id;
	rxq_init->cl_id = fp->cl_id;
	rxq_init->spcl_id = fp->cl_id;
	rxq_init->stat_id = fp->cl_id;
	rxq_init->tpa_agg_sz = tpa_agg_size;
	rxq_init->sge_buf_sz = sge_sz;
	rxq_init->max_sges_pkt = max_sge;
	rxq_init->cache_line_log = BNX2X_RX_ALIGN_SHIFT;
	rxq_init->fw_sb_id = fp->fw_sb_id;

V
Vladislav Zolotarov 已提交
2497 2498 2499 2500
	if (IS_FCOE_FP(fp))
		rxq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_RX_CQ_CONS;
	else
		rxq_init->sb_cq_index = U_SB_ETH_RX_CQ_INDEX;
2501 2502 2503 2504 2505 2506 2507 2508 2509 2510 2511 2512 2513 2514 2515 2516 2517 2518 2519

	rxq_init->cid = HW_CID(bp, fp->cid);

	rxq_init->hc_rate = bp->rx_ticks ? (1000000 / bp->rx_ticks) : 0;
}

static void bnx2x_pf_tx_cl_prep(struct bnx2x *bp,
	struct bnx2x_fastpath *fp, struct bnx2x_txq_init_params *txq_init)
{
	u16 flags = bnx2x_get_cl_flags(bp, fp);

	txq_init->flags = flags;
	txq_init->cxt = &bp->context.vcxt[fp->cid].eth;
	txq_init->dscr_map = fp->tx_desc_mapping;
	txq_init->stat_id = fp->cl_id;
	txq_init->cid = HW_CID(bp, fp->cid);
	txq_init->sb_cq_index = C_SB_ETH_TX_CQ_INDEX;
	txq_init->traffic_type = LLFC_TRAFFIC_TYPE_NW;
	txq_init->fw_sb_id = fp->fw_sb_id;
V
Vladislav Zolotarov 已提交
2520 2521 2522 2523 2524 2525

	if (IS_FCOE_FP(fp)) {
		txq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_TX_CQ_CONS;
		txq_init->traffic_type = LLFC_TRAFFIC_TYPE_FCOE;
	}

2526 2527 2528
	txq_init->hc_rate = bp->tx_ticks ? (1000000 / bp->tx_ticks) : 0;
}

2529
static void bnx2x_pf_init(struct bnx2x *bp)
2530 2531 2532 2533 2534 2535 2536 2537
{
	struct bnx2x_func_init_params func_init = {0};
	struct bnx2x_rss_params rss = {0};
	struct event_ring_data eq_data = { {0} };
	u16 flags;

	/* pf specific setups */
	if (!CHIP_IS_E1(bp))
D
Dmitry Kravkov 已提交
2538
		storm_memset_ov(bp, bp->mf_ov, BP_FUNC(bp));
2539

D
Dmitry Kravkov 已提交
2540 2541 2542 2543 2544 2545 2546 2547 2548 2549 2550 2551 2552 2553 2554
	if (CHIP_IS_E2(bp)) {
		/* reset IGU PF statistics: MSIX + ATTN */
		/* PF */
		REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
			   BNX2X_IGU_STAS_MSG_VF_CNT*4 +
			   (CHIP_MODE_IS_4_PORT(bp) ?
				BP_FUNC(bp) : BP_VN(bp))*4, 0);
		/* ATTN */
		REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
			   BNX2X_IGU_STAS_MSG_VF_CNT*4 +
			   BNX2X_IGU_STAS_MSG_PF_CNT*4 +
			   (CHIP_MODE_IS_4_PORT(bp) ?
				BP_FUNC(bp) : BP_VN(bp))*4, 0);
	}

2555 2556 2557
	/* function setup flags */
	flags = (FUNC_FLG_STATS | FUNC_FLG_LEADING | FUNC_FLG_SPQ);

D
Dmitry Kravkov 已提交
2558 2559 2560 2561
	if (CHIP_IS_E1x(bp))
		flags |= (bp->flags & TPA_ENABLE_FLAG) ? FUNC_FLG_TPA : 0;
	else
		flags |= FUNC_FLG_TPA;
2562

2563 2564
	/* function setup */

2565 2566 2567 2568
	/**
	 * Although RSS is meaningless when there is a single HW queue we
	 * still need it enabled in order to have HW Rx hash generated.
	 */
2569 2570 2571 2572 2573
	rss.cap = (RSS_IPV4_CAP | RSS_IPV4_TCP_CAP |
		   RSS_IPV6_CAP | RSS_IPV6_TCP_CAP);
	rss.mode = bp->multi_mode;
	rss.result_mask = MULTI_MASK;
	func_init.rss = &rss;
2574 2575 2576 2577 2578 2579 2580 2581 2582 2583 2584 2585 2586 2587 2588 2589 2590 2591 2592 2593 2594 2595 2596 2597 2598 2599 2600 2601 2602 2603 2604 2605 2606 2607 2608 2609 2610 2611 2612 2613 2614 2615 2616 2617 2618 2619 2620 2621 2622 2623 2624 2625 2626 2627 2628 2629 2630 2631 2632 2633 2634 2635 2636 2637 2638

	func_init.func_flgs = flags;
	func_init.pf_id = BP_FUNC(bp);
	func_init.func_id = BP_FUNC(bp);
	func_init.fw_stat_map = bnx2x_sp_mapping(bp, fw_stats);
	func_init.spq_map = bp->spq_mapping;
	func_init.spq_prod = bp->spq_prod_idx;

	bnx2x_func_init(bp, &func_init);

	memset(&(bp->cmng), 0, sizeof(struct cmng_struct_per_port));

	/*
	Congestion management values depend on the link rate
	There is no active link so initial link rate is set to 10 Gbps.
	When the link comes up The congestion management values are
	re-calculated according to the actual link rate.
	*/
	bp->link_vars.line_speed = SPEED_10000;
	bnx2x_cmng_fns_init(bp, true, bnx2x_get_cmng_fns_mode(bp));

	/* Only the PMF sets the HW */
	if (bp->port.pmf)
		storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));

	/* no rx until link is up */
	bp->rx_mode = BNX2X_RX_MODE_NONE;
	bnx2x_set_storm_rx_mode(bp);

	/* init Event Queue */
	eq_data.base_addr.hi = U64_HI(bp->eq_mapping);
	eq_data.base_addr.lo = U64_LO(bp->eq_mapping);
	eq_data.producer = bp->eq_prod;
	eq_data.index_id = HC_SP_INDEX_EQ_CONS;
	eq_data.sb_id = DEF_SB_ID;
	storm_memset_eq_data(bp, &eq_data, BP_FUNC(bp));
}


static void bnx2x_e1h_disable(struct bnx2x *bp)
{
	int port = BP_PORT(bp);

	netif_tx_disable(bp->dev);

	REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);

	netif_carrier_off(bp->dev);
}

static void bnx2x_e1h_enable(struct bnx2x *bp)
{
	int port = BP_PORT(bp);

	REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);

	/* Tx queue should be only reenabled */
	netif_tx_wake_all_queues(bp->dev);

	/*
	 * Should not call netif_carrier_on since it will be called if the link
	 * is up when checking for link state
	 */
}

2639 2640 2641 2642 2643 2644 2645 2646 2647 2648 2649 2650 2651 2652 2653 2654 2655 2656 2657 2658
/* called due to MCP event (on pmf):
 *	reread new bandwidth configuration
 *	configure FW
 *	notify others function about the change
 */
static inline void bnx2x_config_mf_bw(struct bnx2x *bp)
{
	if (bp->link_vars.link_up) {
		bnx2x_cmng_fns_init(bp, true, CMNG_FNS_MINMAX);
		bnx2x_link_sync_notify(bp);
	}
	storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
}

static inline void bnx2x_set_mf_bw(struct bnx2x *bp)
{
	bnx2x_config_mf_bw(bp);
	bnx2x_fw_command(bp, DRV_MSG_CODE_SET_MF_BW_ACK, 0);
}

2659 2660 2661 2662 2663 2664 2665 2666 2667 2668 2669
static void bnx2x_dcc_event(struct bnx2x *bp, u32 dcc_event)
{
	DP(BNX2X_MSG_MCP, "dcc_event 0x%x\n", dcc_event);

	if (dcc_event & DRV_STATUS_DCC_DISABLE_ENABLE_PF) {

		/*
		 * This is the only place besides the function initialization
		 * where the bp->flags can change so it is done without any
		 * locks
		 */
D
Dmitry Kravkov 已提交
2670
		if (bp->mf_config[BP_VN(bp)] & FUNC_MF_CFG_FUNC_DISABLED) {
2671 2672 2673 2674 2675 2676 2677 2678 2679 2680 2681 2682 2683
			DP(NETIF_MSG_IFDOWN, "mf_cfg function disabled\n");
			bp->flags |= MF_FUNC_DIS;

			bnx2x_e1h_disable(bp);
		} else {
			DP(NETIF_MSG_IFUP, "mf_cfg function enabled\n");
			bp->flags &= ~MF_FUNC_DIS;

			bnx2x_e1h_enable(bp);
		}
		dcc_event &= ~DRV_STATUS_DCC_DISABLE_ENABLE_PF;
	}
	if (dcc_event & DRV_STATUS_DCC_BANDWIDTH_ALLOCATION) {
2684
		bnx2x_config_mf_bw(bp);
2685 2686 2687 2688 2689 2690 2691 2692 2693 2694 2695 2696 2697 2698 2699 2700 2701 2702 2703 2704 2705 2706 2707 2708 2709 2710 2711
		dcc_event &= ~DRV_STATUS_DCC_BANDWIDTH_ALLOCATION;
	}

	/* Report results to MCP */
	if (dcc_event)
		bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_FAILURE, 0);
	else
		bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_OK, 0);
}

/* must be called under the spq lock */
static inline struct eth_spe *bnx2x_sp_get_next(struct bnx2x *bp)
{
	struct eth_spe *next_spe = bp->spq_prod_bd;

	if (bp->spq_prod_bd == bp->spq_last_bd) {
		bp->spq_prod_bd = bp->spq;
		bp->spq_prod_idx = 0;
		DP(NETIF_MSG_TIMER, "end of spq\n");
	} else {
		bp->spq_prod_bd++;
		bp->spq_prod_idx++;
	}
	return next_spe;
}

/* must be called under the spq lock */
M
Michael Chan 已提交
2712 2713 2714 2715 2716 2717 2718
static inline void bnx2x_sp_prod_update(struct bnx2x *bp)
{
	int func = BP_FUNC(bp);

	/* Make sure that BD data is updated before writing the producer */
	wmb();

2719
	REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
D
Dmitry Kravkov 已提交
2720
		 bp->spq_prod_idx);
M
Michael Chan 已提交
2721 2722 2723
	mmiowb();
}

E
Eliezer Tamir 已提交
2724
/* the slow path queue is odd since completions arrive on the fastpath ring */
D
Dmitry Kravkov 已提交
2725
int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
D
Dmitry Kravkov 已提交
2726
		  u32 data_hi, u32 data_lo, int common)
E
Eliezer Tamir 已提交
2727
{
M
Michael Chan 已提交
2728
	struct eth_spe *spe;
2729
	u16 type;
E
Eliezer Tamir 已提交
2730 2731 2732 2733 2734 2735

#ifdef BNX2X_STOP_ON_ERROR
	if (unlikely(bp->panic))
		return -EIO;
#endif

2736
	spin_lock_bh(&bp->spq_lock);
E
Eliezer Tamir 已提交
2737

2738
	if (!atomic_read(&bp->spq_left)) {
E
Eliezer Tamir 已提交
2739
		BNX2X_ERR("BUG! SPQ ring full!\n");
2740
		spin_unlock_bh(&bp->spq_lock);
E
Eliezer Tamir 已提交
2741 2742 2743
		bnx2x_panic();
		return -EBUSY;
	}
E
Eliezer Tamir 已提交
2744

M
Michael Chan 已提交
2745 2746
	spe = bnx2x_sp_get_next(bp);

E
Eliezer Tamir 已提交
2747
	/* CID needs port number to be encoded int it */
M
Michael Chan 已提交
2748
	spe->hdr.conn_and_cmd_data =
V
Vladislav Zolotarov 已提交
2749 2750
			cpu_to_le32((command << SPE_HDR_CMD_ID_SHIFT) |
				    HW_CID(bp, cid));
2751

E
Eliezer Tamir 已提交
2752
	if (common)
2753 2754 2755 2756 2757 2758 2759 2760 2761 2762
		/* Common ramrods:
		 *	FUNC_START, FUNC_STOP, CFC_DEL, STATS, SET_MAC
		 *	TRAFFIC_STOP, TRAFFIC_START
		 */
		type = (NONE_CONNECTION_TYPE << SPE_HDR_CONN_TYPE_SHIFT)
			& SPE_HDR_CONN_TYPE;
	else
		/* ETH ramrods: SETUP, HALT */
		type = (ETH_CONNECTION_TYPE << SPE_HDR_CONN_TYPE_SHIFT)
			& SPE_HDR_CONN_TYPE;
E
Eliezer Tamir 已提交
2763

2764 2765
	type |= ((BP_FUNC(bp) << SPE_HDR_FUNCTION_ID_SHIFT) &
		 SPE_HDR_FUNCTION_ID);
E
Eliezer Tamir 已提交
2766

2767 2768 2769 2770 2771 2772 2773 2774 2775 2776 2777
	spe->hdr.type = cpu_to_le16(type);

	spe->data.update_data_addr.hi = cpu_to_le32(data_hi);
	spe->data.update_data_addr.lo = cpu_to_le32(data_lo);

	/* stats ramrod has it's own slot on the spq */
	if (command != RAMROD_CMD_ID_COMMON_STAT_QUERY)
		/* It's ok if the actual decrement is issued towards the memory
		 * somewhere between the spin_lock and spin_unlock. Thus no
		 * more explict memory barrier is needed.
		 */
2778
		atomic_dec(&bp->spq_left);
E
Eliezer Tamir 已提交
2779

V
Vladislav Zolotarov 已提交
2780
	DP(BNX2X_MSG_SP/*NETIF_MSG_TIMER*/,
2781 2782
	   "SPQE[%x] (%x:%x)  command %d  hw_cid %x  data (%x:%x) "
	   "type(0x%x) left %x\n",
V
Vladislav Zolotarov 已提交
2783 2784 2785
	   bp->spq_prod_idx, (u32)U64_HI(bp->spq_mapping),
	   (u32)(U64_LO(bp->spq_mapping) +
	   (void *)bp->spq_prod_bd - (void *)bp->spq), command,
2786
	   HW_CID(bp, cid), data_hi, data_lo, type, atomic_read(&bp->spq_left));
V
Vladislav Zolotarov 已提交
2787

M
Michael Chan 已提交
2788
	bnx2x_sp_prod_update(bp);
2789
	spin_unlock_bh(&bp->spq_lock);
E
Eliezer Tamir 已提交
2790 2791 2792 2793
	return 0;
}

/* acquire split MCP access lock register */
Y
Yitchak Gertner 已提交
2794
static int bnx2x_acquire_alr(struct bnx2x *bp)
E
Eliezer Tamir 已提交
2795
{
2796
	u32 j, val;
2797
	int rc = 0;
E
Eliezer Tamir 已提交
2798 2799

	might_sleep();
2800
	for (j = 0; j < 1000; j++) {
E
Eliezer Tamir 已提交
2801 2802 2803 2804 2805 2806 2807 2808 2809
		val = (1UL << 31);
		REG_WR(bp, GRCBASE_MCP + 0x9c, val);
		val = REG_RD(bp, GRCBASE_MCP + 0x9c);
		if (val & (1L << 31))
			break;

		msleep(5);
	}
	if (!(val & (1L << 31))) {
2810
		BNX2X_ERR("Cannot acquire MCP access lock register\n");
E
Eliezer Tamir 已提交
2811 2812 2813 2814 2815 2816
		rc = -EBUSY;
	}

	return rc;
}

Y
Yitchak Gertner 已提交
2817 2818
/* release split MCP access lock register */
static void bnx2x_release_alr(struct bnx2x *bp)
E
Eliezer Tamir 已提交
2819
{
2820
	REG_WR(bp, GRCBASE_MCP + 0x9c, 0);
E
Eliezer Tamir 已提交
2821 2822
}

2823 2824 2825
#define BNX2X_DEF_SB_ATT_IDX	0x0001
#define BNX2X_DEF_SB_IDX	0x0002

E
Eliezer Tamir 已提交
2826 2827
static inline u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
{
2828
	struct host_sp_status_block *def_sb = bp->def_status_blk;
E
Eliezer Tamir 已提交
2829 2830 2831 2832 2833
	u16 rc = 0;

	barrier(); /* status block is written to by the chip */
	if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
		bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
2834
		rc |= BNX2X_DEF_SB_ATT_IDX;
E
Eliezer Tamir 已提交
2835
	}
2836 2837 2838 2839

	if (bp->def_idx != def_sb->sp_sb.running_index) {
		bp->def_idx = def_sb->sp_sb.running_index;
		rc |= BNX2X_DEF_SB_IDX;
E
Eliezer Tamir 已提交
2840
	}
2841 2842 2843

	/* Do not reorder: indecies reading should complete before handling */
	barrier();
E
Eliezer Tamir 已提交
2844 2845 2846 2847 2848 2849 2850 2851 2852
	return rc;
}

/*
 * slow path service functions
 */

static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
{
2853
	int port = BP_PORT(bp);
E
Eliezer Tamir 已提交
2854 2855
	u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
			      MISC_REG_AEU_MASK_ATTN_FUNC_0;
2856 2857
	u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
				       NIG_REG_MASK_INTERRUPT_PORT0;
E
Eilon Greenstein 已提交
2858
	u32 aeu_mask;
2859
	u32 nig_mask = 0;
D
Dmitry Kravkov 已提交
2860
	u32 reg_addr;
E
Eliezer Tamir 已提交
2861 2862 2863 2864

	if (bp->attn_state & asserted)
		BNX2X_ERR("IGU ERROR\n");

E
Eilon Greenstein 已提交
2865 2866 2867
	bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
	aeu_mask = REG_RD(bp, aeu_addr);

E
Eliezer Tamir 已提交
2868
	DP(NETIF_MSG_HW, "aeu_mask %x  newly asserted %x\n",
E
Eilon Greenstein 已提交
2869
	   aeu_mask, asserted);
2870
	aeu_mask &= ~(asserted & 0x3ff);
E
Eilon Greenstein 已提交
2871
	DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
E
Eliezer Tamir 已提交
2872

E
Eilon Greenstein 已提交
2873 2874
	REG_WR(bp, aeu_addr, aeu_mask);
	bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
E
Eliezer Tamir 已提交
2875

E
Eilon Greenstein 已提交
2876
	DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
E
Eliezer Tamir 已提交
2877
	bp->attn_state |= asserted;
E
Eilon Greenstein 已提交
2878
	DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
E
Eliezer Tamir 已提交
2879 2880 2881 2882

	if (asserted & ATTN_HARD_WIRED_MASK) {
		if (asserted & ATTN_NIG_FOR_FUNC) {

2883 2884
			bnx2x_acquire_phy_lock(bp);

2885
			/* save nig interrupt mask */
2886
			nig_mask = REG_RD(bp, nig_int_mask_addr);
2887
			REG_WR(bp, nig_int_mask_addr, 0);
E
Eliezer Tamir 已提交
2888

Y
Yaniv Rosner 已提交
2889
			bnx2x_link_attn(bp);
E
Eliezer Tamir 已提交
2890 2891 2892 2893 2894 2895 2896 2897 2898 2899 2900 2901 2902 2903 2904 2905 2906 2907 2908 2909 2910 2911 2912 2913 2914 2915 2916 2917 2918 2919 2920 2921 2922 2923 2924 2925 2926 2927 2928 2929 2930 2931 2932 2933 2934

			/* handle unicore attn? */
		}
		if (asserted & ATTN_SW_TIMER_4_FUNC)
			DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");

		if (asserted & GPIO_2_FUNC)
			DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");

		if (asserted & GPIO_3_FUNC)
			DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");

		if (asserted & GPIO_4_FUNC)
			DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");

		if (port == 0) {
			if (asserted & ATTN_GENERAL_ATTN_1) {
				DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
				REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
			}
			if (asserted & ATTN_GENERAL_ATTN_2) {
				DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
				REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
			}
			if (asserted & ATTN_GENERAL_ATTN_3) {
				DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
				REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
			}
		} else {
			if (asserted & ATTN_GENERAL_ATTN_4) {
				DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
				REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
			}
			if (asserted & ATTN_GENERAL_ATTN_5) {
				DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
				REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
			}
			if (asserted & ATTN_GENERAL_ATTN_6) {
				DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
				REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
			}
		}

	} /* if hardwired */

D
Dmitry Kravkov 已提交
2935 2936 2937 2938 2939 2940 2941 2942 2943
	if (bp->common.int_block == INT_BLOCK_HC)
		reg_addr = (HC_REG_COMMAND_REG + port*32 +
			    COMMAND_REG_ATTN_BITS_SET);
	else
		reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_SET_UPPER*8);

	DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", asserted,
	   (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
	REG_WR(bp, reg_addr, asserted);
E
Eliezer Tamir 已提交
2944 2945

	/* now set back the mask */
2946
	if (asserted & ATTN_NIG_FOR_FUNC) {
2947
		REG_WR(bp, nig_int_mask_addr, nig_mask);
2948 2949
		bnx2x_release_phy_lock(bp);
	}
E
Eliezer Tamir 已提交
2950 2951
}

E
Eilon Greenstein 已提交
2952 2953 2954
static inline void bnx2x_fan_failure(struct bnx2x *bp)
{
	int port = BP_PORT(bp);
Y
Yaniv Rosner 已提交
2955
	u32 ext_phy_config;
E
Eilon Greenstein 已提交
2956
	/* mark the failure */
Y
Yaniv Rosner 已提交
2957 2958 2959 2960 2961 2962
	ext_phy_config =
		SHMEM_RD(bp,
			 dev_info.port_hw_config[port].external_phy_config);

	ext_phy_config &= ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
	ext_phy_config |= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
E
Eilon Greenstein 已提交
2963
	SHMEM_WR(bp, dev_info.port_hw_config[port].external_phy_config,
Y
Yaniv Rosner 已提交
2964
		 ext_phy_config);
E
Eilon Greenstein 已提交
2965 2966

	/* log the failure */
V
Vladislav Zolotarov 已提交
2967 2968 2969
	netdev_err(bp->dev, "Fan Failure on Network Controller has caused"
	       " the driver to shutdown the card to prevent permanent"
	       " damage.  Please contact OEM Support for assistance\n");
E
Eilon Greenstein 已提交
2970
}
2971

2972
static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
E
Eliezer Tamir 已提交
2973
{
2974
	int port = BP_PORT(bp);
2975
	int reg_offset;
2976
	u32 val;
2977

2978 2979
	reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
			     MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
2980

2981
	if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
2982 2983 2984 2985 2986 2987 2988

		val = REG_RD(bp, reg_offset);
		val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
		REG_WR(bp, reg_offset, val);

		BNX2X_ERR("SPIO5 hw attention\n");

E
Eilon Greenstein 已提交
2989
		/* Fan failure attention */
2990
		bnx2x_hw_reset_phy(&bp->link_params);
E
Eilon Greenstein 已提交
2991
		bnx2x_fan_failure(bp);
2992
	}
2993

E
Eilon Greenstein 已提交
2994 2995 2996 2997 2998 2999 3000
	if (attn & (AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_0 |
		    AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_1)) {
		bnx2x_acquire_phy_lock(bp);
		bnx2x_handle_module_detect_int(&bp->link_params);
		bnx2x_release_phy_lock(bp);
	}

3001 3002 3003 3004 3005 3006 3007
	if (attn & HW_INTERRUT_ASSERT_SET_0) {

		val = REG_RD(bp, reg_offset);
		val &= ~(attn & HW_INTERRUT_ASSERT_SET_0);
		REG_WR(bp, reg_offset, val);

		BNX2X_ERR("FATAL HW block attention set0 0x%x\n",
3008
			  (u32)(attn & HW_INTERRUT_ASSERT_SET_0));
3009 3010
		bnx2x_panic();
	}
3011 3012 3013 3014 3015 3016
}

static inline void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
{
	u32 val;

3017
	if (attn & AEU_INPUTS_ATTN_BITS_DOORBELLQ_HW_INTERRUPT) {
3018 3019 3020 3021 3022 3023 3024

		val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
		BNX2X_ERR("DB hw attention 0x%x\n", val);
		/* DORQ discard attention */
		if (val & 0x2)
			BNX2X_ERR("FATAL error from DORQ\n");
	}
3025 3026 3027 3028 3029 3030 3031 3032 3033 3034 3035 3036 3037 3038

	if (attn & HW_INTERRUT_ASSERT_SET_1) {

		int port = BP_PORT(bp);
		int reg_offset;

		reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 :
				     MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1);

		val = REG_RD(bp, reg_offset);
		val &= ~(attn & HW_INTERRUT_ASSERT_SET_1);
		REG_WR(bp, reg_offset, val);

		BNX2X_ERR("FATAL HW block attention set1 0x%x\n",
3039
			  (u32)(attn & HW_INTERRUT_ASSERT_SET_1));
3040 3041
		bnx2x_panic();
	}
3042 3043 3044 3045 3046 3047 3048 3049 3050 3051 3052 3053 3054 3055 3056 3057 3058 3059 3060 3061 3062 3063
}

static inline void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
{
	u32 val;

	if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {

		val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
		BNX2X_ERR("CFC hw attention 0x%x\n", val);
		/* CFC error attention */
		if (val & 0x2)
			BNX2X_ERR("FATAL error from CFC\n");
	}

	if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {

		val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
		BNX2X_ERR("PXP hw attention 0x%x\n", val);
		/* RQ_USDMDP_FIFO_OVERFLOW */
		if (val & 0x18000)
			BNX2X_ERR("FATAL error from PXP\n");
D
Dmitry Kravkov 已提交
3064 3065 3066 3067
		if (CHIP_IS_E2(bp)) {
			val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_1);
			BNX2X_ERR("PXP hw attention-1 0x%x\n", val);
		}
3068
	}
3069 3070 3071 3072 3073 3074 3075 3076 3077 3078 3079 3080 3081 3082

	if (attn & HW_INTERRUT_ASSERT_SET_2) {

		int port = BP_PORT(bp);
		int reg_offset;

		reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 :
				     MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2);

		val = REG_RD(bp, reg_offset);
		val &= ~(attn & HW_INTERRUT_ASSERT_SET_2);
		REG_WR(bp, reg_offset, val);

		BNX2X_ERR("FATAL HW block attention set2 0x%x\n",
3083
			  (u32)(attn & HW_INTERRUT_ASSERT_SET_2));
3084 3085
		bnx2x_panic();
	}
3086 3087 3088 3089
}

static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
{
3090 3091
	u32 val;

3092 3093
	if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {

3094 3095 3096 3097
		if (attn & BNX2X_PMF_LINK_ASSERT) {
			int func = BP_FUNC(bp);

			REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
D
Dmitry Kravkov 已提交
3098 3099 3100 3101
			bp->mf_config[BP_VN(bp)] = MF_CFG_RD(bp,
					func_mf_config[BP_ABS_FUNC(bp)].config);
			val = SHMEM_RD(bp,
				       func_mb[BP_FW_MB_IDX(bp)].drv_status);
3102 3103 3104
			if (val & DRV_STATUS_DCC_EVENT_MASK)
				bnx2x_dcc_event(bp,
					    (val & DRV_STATUS_DCC_EVENT_MASK));
3105 3106 3107 3108

			if (val & DRV_STATUS_SET_MF_BW)
				bnx2x_set_mf_bw(bp);

3109
			bnx2x__link_status_update(bp);
3110
			if ((bp->port.pmf == 0) && (val & DRV_STATUS_PMF))
3111 3112
				bnx2x_pmf_update(bp);

V
Vladislav Zolotarov 已提交
3113
			if (bp->port.pmf &&
S
Shmulik Ravid 已提交
3114 3115
			    (val & DRV_STATUS_DCBX_NEGOTIATION_RESULTS) &&
				bp->dcbx_enabled > 0)
V
Vladislav Zolotarov 已提交
3116 3117 3118
				/* start dcbx state machine */
				bnx2x_dcbx_set_params(bp,
					BNX2X_DCBX_STATE_NEG_RECEIVED);
3119
		} else if (attn & BNX2X_MC_ASSERT_BITS) {
3120 3121 3122 3123 3124 3125 3126 3127 3128 3129 3130 3131

			BNX2X_ERR("MC assert!\n");
			REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
			REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
			REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
			REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
			bnx2x_panic();

		} else if (attn & BNX2X_MCP_ASSERT) {

			BNX2X_ERR("MCP assert!\n");
			REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
3132
			bnx2x_fw_dump(bp);
3133 3134 3135 3136 3137 3138

		} else
			BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
	}

	if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
3139 3140
		BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
		if (attn & BNX2X_GRC_TIMEOUT) {
D
Dmitry Kravkov 已提交
3141 3142
			val = CHIP_IS_E1(bp) ? 0 :
					REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN);
3143 3144 3145
			BNX2X_ERR("GRC time-out 0x%08x\n", val);
		}
		if (attn & BNX2X_GRC_RSV) {
D
Dmitry Kravkov 已提交
3146 3147
			val = CHIP_IS_E1(bp) ? 0 :
					REG_RD(bp, MISC_REG_GRC_RSV_ATTN);
3148 3149
			BNX2X_ERR("GRC reserved 0x%08x\n", val);
		}
3150 3151 3152 3153
		REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
	}
}

3154 3155 3156 3157 3158
#define BNX2X_MISC_GEN_REG      MISC_REG_GENERIC_POR_1
#define LOAD_COUNTER_BITS	16 /* Number of bits for load counter */
#define LOAD_COUNTER_MASK	(((u32)0x1 << LOAD_COUNTER_BITS) - 1)
#define RESET_DONE_FLAG_MASK	(~LOAD_COUNTER_MASK)
#define RESET_DONE_FLAG_SHIFT	LOAD_COUNTER_BITS
D
Dmitry Kravkov 已提交
3159

3160 3161 3162 3163 3164 3165 3166 3167 3168 3169 3170 3171 3172 3173 3174 3175 3176 3177 3178 3179 3180 3181 3182 3183 3184 3185 3186
/*
 * should be run under rtnl lock
 */
static inline void bnx2x_set_reset_done(struct bnx2x *bp)
{
	u32 val	= REG_RD(bp, BNX2X_MISC_GEN_REG);
	val &= ~(1 << RESET_DONE_FLAG_SHIFT);
	REG_WR(bp, BNX2X_MISC_GEN_REG, val);
	barrier();
	mmiowb();
}

/*
 * should be run under rtnl lock
 */
static inline void bnx2x_set_reset_in_progress(struct bnx2x *bp)
{
	u32 val	= REG_RD(bp, BNX2X_MISC_GEN_REG);
	val |= (1 << 16);
	REG_WR(bp, BNX2X_MISC_GEN_REG, val);
	barrier();
	mmiowb();
}

/*
 * should be run under rtnl lock
 */
D
Dmitry Kravkov 已提交
3187
bool bnx2x_reset_is_done(struct bnx2x *bp)
3188 3189 3190 3191 3192 3193 3194 3195 3196
{
	u32 val	= REG_RD(bp, BNX2X_MISC_GEN_REG);
	DP(NETIF_MSG_HW, "GEN_REG_VAL=0x%08x\n", val);
	return (val & RESET_DONE_FLAG_MASK) ? false : true;
}

/*
 * should be run under rtnl lock
 */
D
Dmitry Kravkov 已提交
3197
inline void bnx2x_inc_load_cnt(struct bnx2x *bp)
3198 3199 3200 3201 3202 3203 3204 3205 3206 3207 3208 3209 3210 3211
{
	u32 val1, val = REG_RD(bp, BNX2X_MISC_GEN_REG);

	DP(NETIF_MSG_HW, "Old GEN_REG_VAL=0x%08x\n", val);

	val1 = ((val & LOAD_COUNTER_MASK) + 1) & LOAD_COUNTER_MASK;
	REG_WR(bp, BNX2X_MISC_GEN_REG, (val & RESET_DONE_FLAG_MASK) | val1);
	barrier();
	mmiowb();
}

/*
 * should be run under rtnl lock
 */
D
Dmitry Kravkov 已提交
3212
u32 bnx2x_dec_load_cnt(struct bnx2x *bp)
3213 3214 3215 3216 3217 3218 3219 3220 3221 3222 3223 3224 3225 3226 3227 3228 3229 3230 3231 3232 3233 3234 3235 3236 3237 3238 3239 3240 3241 3242 3243 3244 3245 3246 3247 3248 3249 3250 3251 3252 3253 3254 3255 3256 3257 3258 3259 3260 3261 3262 3263 3264 3265 3266 3267 3268 3269 3270 3271 3272 3273 3274 3275 3276 3277 3278 3279 3280 3281 3282 3283 3284 3285 3286 3287 3288 3289 3290 3291 3292 3293 3294 3295 3296 3297 3298 3299 3300 3301 3302 3303 3304 3305 3306 3307 3308 3309 3310 3311 3312 3313 3314 3315 3316 3317 3318 3319 3320 3321 3322 3323 3324 3325 3326 3327 3328 3329 3330 3331 3332 3333 3334 3335 3336 3337 3338 3339 3340 3341 3342 3343 3344 3345 3346 3347 3348 3349 3350 3351 3352 3353 3354 3355 3356 3357 3358 3359 3360 3361 3362 3363 3364 3365 3366 3367 3368 3369 3370 3371 3372 3373 3374 3375 3376 3377 3378 3379 3380 3381 3382 3383 3384 3385 3386 3387 3388 3389 3390 3391 3392 3393 3394 3395 3396 3397 3398 3399 3400 3401 3402 3403 3404 3405 3406 3407 3408 3409 3410 3411 3412 3413 3414 3415 3416 3417 3418 3419 3420 3421 3422 3423 3424 3425 3426 3427 3428 3429
{
	u32 val1, val = REG_RD(bp, BNX2X_MISC_GEN_REG);

	DP(NETIF_MSG_HW, "Old GEN_REG_VAL=0x%08x\n", val);

	val1 = ((val & LOAD_COUNTER_MASK) - 1) & LOAD_COUNTER_MASK;
	REG_WR(bp, BNX2X_MISC_GEN_REG, (val & RESET_DONE_FLAG_MASK) | val1);
	barrier();
	mmiowb();

	return val1;
}

/*
 * should be run under rtnl lock
 */
static inline u32 bnx2x_get_load_cnt(struct bnx2x *bp)
{
	return REG_RD(bp, BNX2X_MISC_GEN_REG) & LOAD_COUNTER_MASK;
}

static inline void bnx2x_clear_load_cnt(struct bnx2x *bp)
{
	u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
	REG_WR(bp, BNX2X_MISC_GEN_REG, val & (~LOAD_COUNTER_MASK));
}

static inline void _print_next_block(int idx, const char *blk)
{
	if (idx)
		pr_cont(", ");
	pr_cont("%s", blk);
}

static inline int bnx2x_print_blocks_with_parity0(u32 sig, int par_num)
{
	int i = 0;
	u32 cur_bit = 0;
	for (i = 0; sig; i++) {
		cur_bit = ((u32)0x1 << i);
		if (sig & cur_bit) {
			switch (cur_bit) {
			case AEU_INPUTS_ATTN_BITS_BRB_PARITY_ERROR:
				_print_next_block(par_num++, "BRB");
				break;
			case AEU_INPUTS_ATTN_BITS_PARSER_PARITY_ERROR:
				_print_next_block(par_num++, "PARSER");
				break;
			case AEU_INPUTS_ATTN_BITS_TSDM_PARITY_ERROR:
				_print_next_block(par_num++, "TSDM");
				break;
			case AEU_INPUTS_ATTN_BITS_SEARCHER_PARITY_ERROR:
				_print_next_block(par_num++, "SEARCHER");
				break;
			case AEU_INPUTS_ATTN_BITS_TSEMI_PARITY_ERROR:
				_print_next_block(par_num++, "TSEMI");
				break;
			}

			/* Clear the bit */
			sig &= ~cur_bit;
		}
	}

	return par_num;
}

static inline int bnx2x_print_blocks_with_parity1(u32 sig, int par_num)
{
	int i = 0;
	u32 cur_bit = 0;
	for (i = 0; sig; i++) {
		cur_bit = ((u32)0x1 << i);
		if (sig & cur_bit) {
			switch (cur_bit) {
			case AEU_INPUTS_ATTN_BITS_PBCLIENT_PARITY_ERROR:
				_print_next_block(par_num++, "PBCLIENT");
				break;
			case AEU_INPUTS_ATTN_BITS_QM_PARITY_ERROR:
				_print_next_block(par_num++, "QM");
				break;
			case AEU_INPUTS_ATTN_BITS_XSDM_PARITY_ERROR:
				_print_next_block(par_num++, "XSDM");
				break;
			case AEU_INPUTS_ATTN_BITS_XSEMI_PARITY_ERROR:
				_print_next_block(par_num++, "XSEMI");
				break;
			case AEU_INPUTS_ATTN_BITS_DOORBELLQ_PARITY_ERROR:
				_print_next_block(par_num++, "DOORBELLQ");
				break;
			case AEU_INPUTS_ATTN_BITS_VAUX_PCI_CORE_PARITY_ERROR:
				_print_next_block(par_num++, "VAUX PCI CORE");
				break;
			case AEU_INPUTS_ATTN_BITS_DEBUG_PARITY_ERROR:
				_print_next_block(par_num++, "DEBUG");
				break;
			case AEU_INPUTS_ATTN_BITS_USDM_PARITY_ERROR:
				_print_next_block(par_num++, "USDM");
				break;
			case AEU_INPUTS_ATTN_BITS_USEMI_PARITY_ERROR:
				_print_next_block(par_num++, "USEMI");
				break;
			case AEU_INPUTS_ATTN_BITS_UPB_PARITY_ERROR:
				_print_next_block(par_num++, "UPB");
				break;
			case AEU_INPUTS_ATTN_BITS_CSDM_PARITY_ERROR:
				_print_next_block(par_num++, "CSDM");
				break;
			}

			/* Clear the bit */
			sig &= ~cur_bit;
		}
	}

	return par_num;
}

static inline int bnx2x_print_blocks_with_parity2(u32 sig, int par_num)
{
	int i = 0;
	u32 cur_bit = 0;
	for (i = 0; sig; i++) {
		cur_bit = ((u32)0x1 << i);
		if (sig & cur_bit) {
			switch (cur_bit) {
			case AEU_INPUTS_ATTN_BITS_CSEMI_PARITY_ERROR:
				_print_next_block(par_num++, "CSEMI");
				break;
			case AEU_INPUTS_ATTN_BITS_PXP_PARITY_ERROR:
				_print_next_block(par_num++, "PXP");
				break;
			case AEU_IN_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR:
				_print_next_block(par_num++,
					"PXPPCICLOCKCLIENT");
				break;
			case AEU_INPUTS_ATTN_BITS_CFC_PARITY_ERROR:
				_print_next_block(par_num++, "CFC");
				break;
			case AEU_INPUTS_ATTN_BITS_CDU_PARITY_ERROR:
				_print_next_block(par_num++, "CDU");
				break;
			case AEU_INPUTS_ATTN_BITS_IGU_PARITY_ERROR:
				_print_next_block(par_num++, "IGU");
				break;
			case AEU_INPUTS_ATTN_BITS_MISC_PARITY_ERROR:
				_print_next_block(par_num++, "MISC");
				break;
			}

			/* Clear the bit */
			sig &= ~cur_bit;
		}
	}

	return par_num;
}

static inline int bnx2x_print_blocks_with_parity3(u32 sig, int par_num)
{
	int i = 0;
	u32 cur_bit = 0;
	for (i = 0; sig; i++) {
		cur_bit = ((u32)0x1 << i);
		if (sig & cur_bit) {
			switch (cur_bit) {
			case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_ROM_PARITY:
				_print_next_block(par_num++, "MCP ROM");
				break;
			case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_RX_PARITY:
				_print_next_block(par_num++, "MCP UMP RX");
				break;
			case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_TX_PARITY:
				_print_next_block(par_num++, "MCP UMP TX");
				break;
			case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_SCPAD_PARITY:
				_print_next_block(par_num++, "MCP SCPAD");
				break;
			}

			/* Clear the bit */
			sig &= ~cur_bit;
		}
	}

	return par_num;
}

static inline bool bnx2x_parity_attn(struct bnx2x *bp, u32 sig0, u32 sig1,
				     u32 sig2, u32 sig3)
{
	if ((sig0 & HW_PRTY_ASSERT_SET_0) || (sig1 & HW_PRTY_ASSERT_SET_1) ||
	    (sig2 & HW_PRTY_ASSERT_SET_2) || (sig3 & HW_PRTY_ASSERT_SET_3)) {
		int par_num = 0;
		DP(NETIF_MSG_HW, "Was parity error: HW block parity attention: "
			"[0]:0x%08x [1]:0x%08x "
			"[2]:0x%08x [3]:0x%08x\n",
			  sig0 & HW_PRTY_ASSERT_SET_0,
			  sig1 & HW_PRTY_ASSERT_SET_1,
			  sig2 & HW_PRTY_ASSERT_SET_2,
			  sig3 & HW_PRTY_ASSERT_SET_3);
		printk(KERN_ERR"%s: Parity errors detected in blocks: ",
		       bp->dev->name);
		par_num = bnx2x_print_blocks_with_parity0(
			sig0 & HW_PRTY_ASSERT_SET_0, par_num);
		par_num = bnx2x_print_blocks_with_parity1(
			sig1 & HW_PRTY_ASSERT_SET_1, par_num);
		par_num = bnx2x_print_blocks_with_parity2(
			sig2 & HW_PRTY_ASSERT_SET_2, par_num);
		par_num = bnx2x_print_blocks_with_parity3(
			sig3 & HW_PRTY_ASSERT_SET_3, par_num);
		printk("\n");
		return true;
	} else
		return false;
}

D
Dmitry Kravkov 已提交
3430
bool bnx2x_chk_parity_attn(struct bnx2x *bp)
3431
{
E
Eliezer Tamir 已提交
3432
	struct attn_route attn;
3433 3434 3435 3436 3437 3438 3439 3440 3441 3442 3443 3444 3445 3446 3447 3448 3449 3450 3451
	int port = BP_PORT(bp);

	attn.sig[0] = REG_RD(bp,
		MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 +
			     port*4);
	attn.sig[1] = REG_RD(bp,
		MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 +
			     port*4);
	attn.sig[2] = REG_RD(bp,
		MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 +
			     port*4);
	attn.sig[3] = REG_RD(bp,
		MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 +
			     port*4);

	return bnx2x_parity_attn(bp, attn.sig[0], attn.sig[1], attn.sig[2],
					attn.sig[3]);
}

D
Dmitry Kravkov 已提交
3452 3453 3454 3455 3456 3457 3458 3459 3460 3461 3462 3463 3464 3465 3466 3467 3468 3469 3470 3471 3472 3473 3474 3475 3476 3477 3478 3479 3480 3481 3482 3483 3484 3485 3486 3487 3488 3489 3490 3491 3492 3493 3494 3495 3496 3497 3498 3499 3500 3501 3502 3503 3504 3505 3506 3507 3508 3509 3510 3511 3512 3513 3514 3515 3516 3517 3518 3519

static inline void bnx2x_attn_int_deasserted4(struct bnx2x *bp, u32 attn)
{
	u32 val;
	if (attn & AEU_INPUTS_ATTN_BITS_PGLUE_HW_INTERRUPT) {

		val = REG_RD(bp, PGLUE_B_REG_PGLUE_B_INT_STS_CLR);
		BNX2X_ERR("PGLUE hw attention 0x%x\n", val);
		if (val & PGLUE_B_PGLUE_B_INT_STS_REG_ADDRESS_ERROR)
			BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
				  "ADDRESS_ERROR\n");
		if (val & PGLUE_B_PGLUE_B_INT_STS_REG_INCORRECT_RCV_BEHAVIOR)
			BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
				  "INCORRECT_RCV_BEHAVIOR\n");
		if (val & PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN)
			BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
				  "WAS_ERROR_ATTN\n");
		if (val & PGLUE_B_PGLUE_B_INT_STS_REG_VF_LENGTH_VIOLATION_ATTN)
			BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
				  "VF_LENGTH_VIOLATION_ATTN\n");
		if (val &
		    PGLUE_B_PGLUE_B_INT_STS_REG_VF_GRC_SPACE_VIOLATION_ATTN)
			BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
				  "VF_GRC_SPACE_VIOLATION_ATTN\n");
		if (val &
		    PGLUE_B_PGLUE_B_INT_STS_REG_VF_MSIX_BAR_VIOLATION_ATTN)
			BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
				  "VF_MSIX_BAR_VIOLATION_ATTN\n");
		if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_ERROR_ATTN)
			BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
				  "TCPL_ERROR_ATTN\n");
		if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_IN_TWO_RCBS_ATTN)
			BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
				  "TCPL_IN_TWO_RCBS_ATTN\n");
		if (val & PGLUE_B_PGLUE_B_INT_STS_REG_CSSNOOP_FIFO_OVERFLOW)
			BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
				  "CSSNOOP_FIFO_OVERFLOW\n");
	}
	if (attn & AEU_INPUTS_ATTN_BITS_ATC_HW_INTERRUPT) {
		val = REG_RD(bp, ATC_REG_ATC_INT_STS_CLR);
		BNX2X_ERR("ATC hw attention 0x%x\n", val);
		if (val & ATC_ATC_INT_STS_REG_ADDRESS_ERROR)
			BNX2X_ERR("ATC_ATC_INT_STS_REG_ADDRESS_ERROR\n");
		if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_TO_NOT_PEND)
			BNX2X_ERR("ATC_ATC_INT_STS_REG"
				  "_ATC_TCPL_TO_NOT_PEND\n");
		if (val & ATC_ATC_INT_STS_REG_ATC_GPA_MULTIPLE_HITS)
			BNX2X_ERR("ATC_ATC_INT_STS_REG_"
				  "ATC_GPA_MULTIPLE_HITS\n");
		if (val & ATC_ATC_INT_STS_REG_ATC_RCPL_TO_EMPTY_CNT)
			BNX2X_ERR("ATC_ATC_INT_STS_REG_"
				  "ATC_RCPL_TO_EMPTY_CNT\n");
		if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR)
			BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR\n");
		if (val & ATC_ATC_INT_STS_REG_ATC_IREQ_LESS_THAN_STU)
			BNX2X_ERR("ATC_ATC_INT_STS_REG_"
				  "ATC_IREQ_LESS_THAN_STU\n");
	}

	if (attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
		    AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)) {
		BNX2X_ERR("FATAL parity attention set4 0x%x\n",
		(u32)(attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
		    AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)));
	}

}

3520 3521 3522
static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
{
	struct attn_route attn, *group_mask;
3523
	int port = BP_PORT(bp);
3524
	int index;
E
Eliezer Tamir 已提交
3525 3526
	u32 reg_addr;
	u32 val;
E
Eilon Greenstein 已提交
3527
	u32 aeu_mask;
E
Eliezer Tamir 已提交
3528 3529 3530

	/* need to take HW lock because MCP or other port might also
	   try to handle this event */
Y
Yitchak Gertner 已提交
3531
	bnx2x_acquire_alr(bp);
E
Eliezer Tamir 已提交
3532

3533
	if (CHIP_PARITY_ENABLED(bp) && bnx2x_chk_parity_attn(bp)) {
3534 3535 3536 3537 3538 3539 3540 3541 3542 3543 3544 3545
		bp->recovery_state = BNX2X_RECOVERY_INIT;
		bnx2x_set_reset_in_progress(bp);
		schedule_delayed_work(&bp->reset_task, 0);
		/* Disable HW interrupts */
		bnx2x_int_disable(bp);
		bnx2x_release_alr(bp);
		/* In case of parity errors don't handle attentions so that
		 * other function would "see" parity errors.
		 */
		return;
	}

E
Eliezer Tamir 已提交
3546 3547 3548 3549
	attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
	attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
	attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4);
	attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4);
D
Dmitry Kravkov 已提交
3550 3551 3552 3553 3554 3555 3556 3557
	if (CHIP_IS_E2(bp))
		attn.sig[4] =
		      REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_5_FUNC_0 + port*4);
	else
		attn.sig[4] = 0;

	DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x %08x\n",
	   attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3], attn.sig[4]);
E
Eliezer Tamir 已提交
3558 3559 3560

	for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
		if (deasserted & (1 << index)) {
3561
			group_mask = &bp->attn_group[index];
E
Eliezer Tamir 已提交
3562

D
Dmitry Kravkov 已提交
3563 3564 3565 3566 3567 3568
			DP(NETIF_MSG_HW, "group[%d]: %08x %08x "
					 "%08x %08x %08x\n",
			   index,
			   group_mask->sig[0], group_mask->sig[1],
			   group_mask->sig[2], group_mask->sig[3],
			   group_mask->sig[4]);
E
Eliezer Tamir 已提交
3569

D
Dmitry Kravkov 已提交
3570 3571
			bnx2x_attn_int_deasserted4(bp,
					attn.sig[4] & group_mask->sig[4]);
3572
			bnx2x_attn_int_deasserted3(bp,
3573
					attn.sig[3] & group_mask->sig[3]);
3574
			bnx2x_attn_int_deasserted1(bp,
3575
					attn.sig[1] & group_mask->sig[1]);
3576
			bnx2x_attn_int_deasserted2(bp,
3577
					attn.sig[2] & group_mask->sig[2]);
3578
			bnx2x_attn_int_deasserted0(bp,
3579
					attn.sig[0] & group_mask->sig[0]);
E
Eliezer Tamir 已提交
3580 3581 3582
		}
	}

Y
Yitchak Gertner 已提交
3583
	bnx2x_release_alr(bp);
E
Eliezer Tamir 已提交
3584

D
Dmitry Kravkov 已提交
3585 3586 3587 3588 3589
	if (bp->common.int_block == INT_BLOCK_HC)
		reg_addr = (HC_REG_COMMAND_REG + port*32 +
			    COMMAND_REG_ATTN_BITS_CLR);
	else
		reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_CLR_UPPER*8);
E
Eliezer Tamir 已提交
3590 3591

	val = ~deasserted;
D
Dmitry Kravkov 已提交
3592 3593
	DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", val,
	   (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
3594
	REG_WR(bp, reg_addr, val);
E
Eliezer Tamir 已提交
3595 3596

	if (~bp->attn_state & deasserted)
E
Eilon Greenstein 已提交
3597
		BNX2X_ERR("IGU ERROR\n");
E
Eliezer Tamir 已提交
3598 3599 3600 3601

	reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
			  MISC_REG_AEU_MASK_ATTN_FUNC_0;

E
Eilon Greenstein 已提交
3602 3603 3604 3605 3606
	bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
	aeu_mask = REG_RD(bp, reg_addr);

	DP(NETIF_MSG_HW, "aeu_mask %x  newly deasserted %x\n",
	   aeu_mask, deasserted);
3607
	aeu_mask |= (deasserted & 0x3ff);
E
Eilon Greenstein 已提交
3608
	DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
E
Eliezer Tamir 已提交
3609

E
Eilon Greenstein 已提交
3610 3611
	REG_WR(bp, reg_addr, aeu_mask);
	bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
E
Eliezer Tamir 已提交
3612 3613 3614 3615 3616 3617 3618 3619 3620

	DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
	bp->attn_state &= ~deasserted;
	DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
}

static void bnx2x_attn_int(struct bnx2x *bp)
{
	/* read local copy of bits */
E
Eilon Greenstein 已提交
3621 3622 3623 3624
	u32 attn_bits = le32_to_cpu(bp->def_status_blk->atten_status_block.
								attn_bits);
	u32 attn_ack = le32_to_cpu(bp->def_status_blk->atten_status_block.
								attn_bits_ack);
E
Eliezer Tamir 已提交
3625 3626 3627 3628 3629 3630 3631 3632 3633 3634 3635
	u32 attn_state = bp->attn_state;

	/* look for changed bits */
	u32 asserted   =  attn_bits & ~attn_ack & ~attn_state;
	u32 deasserted = ~attn_bits &  attn_ack &  attn_state;

	DP(NETIF_MSG_HW,
	   "attn_bits %x  attn_ack %x  asserted %x  deasserted %x\n",
	   attn_bits, attn_ack, asserted, deasserted);

	if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state))
3636
		BNX2X_ERR("BAD attention state\n");
E
Eliezer Tamir 已提交
3637 3638 3639 3640 3641 3642 3643 3644 3645

	/* handle bits that were raised */
	if (asserted)
		bnx2x_attn_int_asserted(bp, asserted);

	if (deasserted)
		bnx2x_attn_int_deasserted(bp, deasserted);
}

3646 3647 3648 3649 3650 3651 3652 3653 3654 3655 3656 3657 3658 3659 3660 3661 3662 3663 3664 3665 3666 3667 3668 3669 3670 3671 3672 3673 3674 3675 3676 3677 3678 3679 3680 3681 3682 3683 3684 3685 3686 3687 3688 3689 3690 3691 3692 3693 3694 3695 3696 3697 3698
static inline void bnx2x_update_eq_prod(struct bnx2x *bp, u16 prod)
{
	/* No memory barriers */
	storm_memset_eq_prod(bp, prod, BP_FUNC(bp));
	mmiowb(); /* keep prod updates ordered */
}

#ifdef BCM_CNIC
static int  bnx2x_cnic_handle_cfc_del(struct bnx2x *bp, u32 cid,
				      union event_ring_elem *elem)
{
	if (!bp->cnic_eth_dev.starting_cid  ||
	    cid < bp->cnic_eth_dev.starting_cid)
		return 1;

	DP(BNX2X_MSG_SP, "got delete ramrod for CNIC CID %d\n", cid);

	if (unlikely(elem->message.data.cfc_del_event.error)) {
		BNX2X_ERR("got delete ramrod for CNIC CID %d with error!\n",
			  cid);
		bnx2x_panic_dump(bp);
	}
	bnx2x_cnic_cfc_comp(bp, cid);
	return 0;
}
#endif

static void bnx2x_eq_int(struct bnx2x *bp)
{
	u16 hw_cons, sw_cons, sw_prod;
	union event_ring_elem *elem;
	u32 cid;
	u8 opcode;
	int spqe_cnt = 0;

	hw_cons = le16_to_cpu(*bp->eq_cons_sb);

	/* The hw_cos range is 1-255, 257 - the sw_cons range is 0-254, 256.
	 * when we get the the next-page we nned to adjust so the loop
	 * condition below will be met. The next element is the size of a
	 * regular element and hence incrementing by 1
	 */
	if ((hw_cons & EQ_DESC_MAX_PAGE) == EQ_DESC_MAX_PAGE)
		hw_cons++;

	/* This function may never run in parralel with itself for a
	 * specific bp, thus there is no need in "paired" read memory
	 * barrier here.
	 */
	sw_cons = bp->eq_cons;
	sw_prod = bp->eq_prod;

	DP(BNX2X_MSG_SP, "EQ:  hw_cons %u  sw_cons %u bp->spq_left %u\n",
3699
			hw_cons, sw_cons, atomic_read(&bp->spq_left));
3700 3701 3702 3703 3704 3705 3706 3707 3708 3709 3710 3711 3712 3713 3714 3715 3716 3717 3718 3719 3720 3721 3722 3723 3724 3725 3726 3727 3728

	for (; sw_cons != hw_cons;
	      sw_prod = NEXT_EQ_IDX(sw_prod), sw_cons = NEXT_EQ_IDX(sw_cons)) {


		elem = &bp->eq_ring[EQ_DESC(sw_cons)];

		cid = SW_CID(elem->message.data.cfc_del_event.cid);
		opcode = elem->message.opcode;


		/* handle eq element */
		switch (opcode) {
		case EVENT_RING_OPCODE_STAT_QUERY:
			DP(NETIF_MSG_TIMER, "got statistics comp event\n");
			/* nothing to do with stats comp */
			continue;

		case EVENT_RING_OPCODE_CFC_DEL:
			/* handle according to cid range */
			/*
			 * we may want to verify here that the bp state is
			 * HALTING
			 */
			DP(NETIF_MSG_IFDOWN,
			   "got delete ramrod for MULTI[%d]\n", cid);
#ifdef BCM_CNIC
			if (!bnx2x_cnic_handle_cfc_del(bp, cid, elem))
				goto next_spqe;
V
Vladislav Zolotarov 已提交
3729 3730 3731
			if (cid == BNX2X_FCOE_ETH_CID)
				bnx2x_fcoe(bp, state) = BNX2X_FP_STATE_CLOSED;
			else
3732
#endif
V
Vladislav Zolotarov 已提交
3733
				bnx2x_fp(bp, cid, state) =
3734 3735 3736
						BNX2X_FP_STATE_CLOSED;

			goto next_spqe;
V
Vladislav Zolotarov 已提交
3737 3738 3739 3740 3741 3742 3743 3744 3745

		case EVENT_RING_OPCODE_STOP_TRAFFIC:
			DP(NETIF_MSG_IFUP, "got STOP TRAFFIC\n");
			bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_PAUSED);
			goto next_spqe;
		case EVENT_RING_OPCODE_START_TRAFFIC:
			DP(NETIF_MSG_IFUP, "got START TRAFFIC\n");
			bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_RELEASED);
			goto next_spqe;
3746 3747 3748 3749 3750 3751 3752 3753 3754 3755 3756 3757 3758 3759 3760 3761 3762 3763 3764 3765 3766 3767 3768 3769 3770 3771 3772 3773 3774 3775 3776 3777 3778 3779 3780
		}

		switch (opcode | bp->state) {
		case (EVENT_RING_OPCODE_FUNCTION_START |
		      BNX2X_STATE_OPENING_WAIT4_PORT):
			DP(NETIF_MSG_IFUP, "got setup ramrod\n");
			bp->state = BNX2X_STATE_FUNC_STARTED;
			break;

		case (EVENT_RING_OPCODE_FUNCTION_STOP |
		      BNX2X_STATE_CLOSING_WAIT4_HALT):
			DP(NETIF_MSG_IFDOWN, "got halt ramrod\n");
			bp->state = BNX2X_STATE_CLOSING_WAIT4_UNLOAD;
			break;

		case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_OPEN):
		case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_DIAG):
			DP(NETIF_MSG_IFUP, "got set mac ramrod\n");
			bp->set_mac_pending = 0;
			break;

		case (EVENT_RING_OPCODE_SET_MAC |
		      BNX2X_STATE_CLOSING_WAIT4_HALT):
			DP(NETIF_MSG_IFDOWN, "got (un)set mac ramrod\n");
			bp->set_mac_pending = 0;
			break;
		default:
			/* unknown event log error and continue */
			BNX2X_ERR("Unknown EQ event %d\n",
				  elem->message.opcode);
		}
next_spqe:
		spqe_cnt++;
	} /* for */

3781 3782
	smp_mb__before_atomic_inc();
	atomic_add(spqe_cnt, &bp->spq_left);
3783 3784 3785 3786 3787 3788 3789 3790 3791 3792

	bp->eq_cons = sw_cons;
	bp->eq_prod = sw_prod;
	/* Make sure that above mem writes were issued towards the memory */
	smp_wmb();

	/* update producer */
	bnx2x_update_eq_prod(bp, bp->eq_prod);
}

E
Eliezer Tamir 已提交
3793 3794
static void bnx2x_sp_task(struct work_struct *work)
{
3795
	struct bnx2x *bp = container_of(work, struct bnx2x, sp_task.work);
E
Eliezer Tamir 已提交
3796 3797 3798 3799
	u16 status;

	/* Return here if interrupt is disabled */
	if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
3800
		DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
E
Eliezer Tamir 已提交
3801 3802 3803 3804
		return;
	}

	status = bnx2x_update_dsb_idx(bp);
3805 3806
/*	if (status == 0)				     */
/*		BNX2X_ERR("spurious slowpath interrupt!\n"); */
E
Eliezer Tamir 已提交
3807

V
Vladislav Zolotarov 已提交
3808
	DP(NETIF_MSG_INTR, "got a slowpath interrupt (status 0x%x)\n", status);
E
Eliezer Tamir 已提交
3809

3810
	/* HW attentions */
3811
	if (status & BNX2X_DEF_SB_ATT_IDX) {
E
Eliezer Tamir 已提交
3812
		bnx2x_attn_int(bp);
3813
		status &= ~BNX2X_DEF_SB_ATT_IDX;
V
Vladislav Zolotarov 已提交
3814 3815
	}

3816 3817
	/* SP events: STAT_QUERY and others */
	if (status & BNX2X_DEF_SB_IDX) {
V
Vladislav Zolotarov 已提交
3818 3819
#ifdef BCM_CNIC
		struct bnx2x_fastpath *fp = bnx2x_fcoe_fp(bp);
3820

V
Vladislav Zolotarov 已提交
3821 3822 3823 3824
		if ((!NO_FCOE(bp)) &&
			(bnx2x_has_rx_work(fp) || bnx2x_has_tx_work(fp)))
			napi_schedule(&bnx2x_fcoe(bp, napi));
#endif
3825 3826 3827 3828 3829 3830 3831
		/* Handle EQ completions */
		bnx2x_eq_int(bp);

		bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID,
			le16_to_cpu(bp->def_idx), IGU_INT_NOP, 1);

		status &= ~BNX2X_DEF_SB_IDX;
V
Vladislav Zolotarov 已提交
3832 3833 3834 3835 3836
	}

	if (unlikely(status))
		DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
		   status);
E
Eliezer Tamir 已提交
3837

3838 3839
	bnx2x_ack_sb(bp, bp->igu_dsb_id, ATTENTION_ID,
	     le16_to_cpu(bp->def_att_idx), IGU_INT_ENABLE, 1);
E
Eliezer Tamir 已提交
3840 3841
}

D
Dmitry Kravkov 已提交
3842
irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
E
Eliezer Tamir 已提交
3843 3844 3845 3846 3847 3848
{
	struct net_device *dev = dev_instance;
	struct bnx2x *bp = netdev_priv(dev);

	/* Return here if interrupt is disabled */
	if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
3849
		DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
E
Eliezer Tamir 已提交
3850 3851 3852
		return IRQ_HANDLED;
	}

3853 3854
	bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0,
		     IGU_INT_DISABLE, 0);
E
Eliezer Tamir 已提交
3855 3856 3857 3858 3859 3860

#ifdef BNX2X_STOP_ON_ERROR
	if (unlikely(bp->panic))
		return IRQ_HANDLED;
#endif

3861 3862 3863 3864 3865 3866 3867 3868 3869 3870 3871
#ifdef BCM_CNIC
	{
		struct cnic_ops *c_ops;

		rcu_read_lock();
		c_ops = rcu_dereference(bp->cnic_ops);
		if (c_ops)
			c_ops->cnic_handler(bp->cnic_data, NULL);
		rcu_read_unlock();
	}
#endif
3872
	queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
E
Eliezer Tamir 已提交
3873 3874 3875 3876 3877 3878 3879 3880 3881 3882 3883 3884 3885 3886

	return IRQ_HANDLED;
}

/* end of slow path */

static void bnx2x_timer(unsigned long data)
{
	struct bnx2x *bp = (struct bnx2x *) data;

	if (!netif_running(bp->dev))
		return;

	if (atomic_read(&bp->intr_sem) != 0)
E
Eliezer Tamir 已提交
3887
		goto timer_restart;
E
Eliezer Tamir 已提交
3888 3889 3890 3891 3892

	if (poll) {
		struct bnx2x_fastpath *fp = &bp->fp[0];
		int rc;

3893
		bnx2x_tx_int(fp);
E
Eliezer Tamir 已提交
3894 3895 3896
		rc = bnx2x_rx_int(fp, 1000);
	}

3897
	if (!BP_NOMCP(bp)) {
D
Dmitry Kravkov 已提交
3898
		int mb_idx = BP_FW_MB_IDX(bp);
E
Eliezer Tamir 已提交
3899 3900 3901 3902 3903 3904 3905
		u32 drv_pulse;
		u32 mcp_pulse;

		++bp->fw_drv_pulse_wr_seq;
		bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
		/* TBD - add SYSTEM_TIME */
		drv_pulse = bp->fw_drv_pulse_wr_seq;
D
Dmitry Kravkov 已提交
3906
		SHMEM_WR(bp, func_mb[mb_idx].drv_pulse_mb, drv_pulse);
E
Eliezer Tamir 已提交
3907

D
Dmitry Kravkov 已提交
3908
		mcp_pulse = (SHMEM_RD(bp, func_mb[mb_idx].mcp_pulse_mb) &
E
Eliezer Tamir 已提交
3909 3910 3911 3912 3913 3914 3915 3916 3917 3918 3919 3920
			     MCP_PULSE_SEQ_MASK);
		/* The delta between driver pulse and mcp response
		 * should be 1 (before mcp response) or 0 (after mcp response)
		 */
		if ((drv_pulse != mcp_pulse) &&
		    (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) {
			/* someone lost a heartbeat... */
			BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
				  drv_pulse, mcp_pulse);
		}
	}

3921
	if (bp->state == BNX2X_STATE_OPEN)
Y
Yitchak Gertner 已提交
3922
		bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
E
Eliezer Tamir 已提交
3923

E
Eliezer Tamir 已提交
3924
timer_restart:
E
Eliezer Tamir 已提交
3925 3926 3927 3928 3929 3930 3931 3932 3933 3934 3935
	mod_timer(&bp->timer, jiffies + bp->current_interval);
}

/* end of Statistics */

/* nic init */

/*
 * nic init service functions
 */

3936
static inline void bnx2x_fill(struct bnx2x *bp, u32 addr, int fill, u32 len)
E
Eliezer Tamir 已提交
3937
{
3938 3939 3940 3941 3942 3943 3944
	u32 i;
	if (!(len%4) && !(addr%4))
		for (i = 0; i < len; i += 4)
			REG_WR(bp, addr + i, fill);
	else
		for (i = 0; i < len; i++)
			REG_WR8(bp, addr + i, fill);
3945 3946 3947

}

3948 3949 3950 3951 3952
/* helper: writes FP SP data to FW - data_size in dwords */
static inline void bnx2x_wr_fp_sb_data(struct bnx2x *bp,
				       int fw_sb_id,
				       u32 *sb_data_p,
				       u32 data_size)
3953
{
E
Eliezer Tamir 已提交
3954
	int index;
3955 3956 3957 3958 3959 3960
	for (index = 0; index < data_size; index++)
		REG_WR(bp, BAR_CSTRORM_INTMEM +
			CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
			sizeof(u32)*index,
			*(sb_data_p + index));
}
E
Eliezer Tamir 已提交
3961

3962 3963 3964 3965
static inline void bnx2x_zero_fp_sb(struct bnx2x *bp, int fw_sb_id)
{
	u32 *sb_data_p;
	u32 data_size = 0;
D
Dmitry Kravkov 已提交
3966
	struct hc_status_block_data_e2 sb_data_e2;
3967
	struct hc_status_block_data_e1x sb_data_e1x;
E
Eliezer Tamir 已提交
3968

3969
	/* disable the function first */
D
Dmitry Kravkov 已提交
3970 3971 3972 3973 3974 3975 3976 3977 3978 3979 3980 3981 3982 3983 3984 3985
	if (CHIP_IS_E2(bp)) {
		memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
		sb_data_e2.common.p_func.pf_id = HC_FUNCTION_DISABLED;
		sb_data_e2.common.p_func.vf_id = HC_FUNCTION_DISABLED;
		sb_data_e2.common.p_func.vf_valid = false;
		sb_data_p = (u32 *)&sb_data_e2;
		data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
	} else {
		memset(&sb_data_e1x, 0,
		       sizeof(struct hc_status_block_data_e1x));
		sb_data_e1x.common.p_func.pf_id = HC_FUNCTION_DISABLED;
		sb_data_e1x.common.p_func.vf_id = HC_FUNCTION_DISABLED;
		sb_data_e1x.common.p_func.vf_valid = false;
		sb_data_p = (u32 *)&sb_data_e1x;
		data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
	}
3986
	bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
E
Eliezer Tamir 已提交
3987

3988 3989 3990 3991 3992 3993 3994
	bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
			CSTORM_STATUS_BLOCK_OFFSET(fw_sb_id), 0,
			CSTORM_STATUS_BLOCK_SIZE);
	bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
			CSTORM_SYNC_BLOCK_OFFSET(fw_sb_id), 0,
			CSTORM_SYNC_BLOCK_SIZE);
}
3995

3996 3997 3998 3999 4000 4001 4002 4003 4004 4005 4006
/* helper:  writes SP SB data to FW */
static inline void bnx2x_wr_sp_sb_data(struct bnx2x *bp,
		struct hc_sp_status_block_data *sp_sb_data)
{
	int func = BP_FUNC(bp);
	int i;
	for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
		REG_WR(bp, BAR_CSTRORM_INTMEM +
			CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
			i*sizeof(u32),
			*((u32 *)sp_sb_data + i));
4007 4008
}

4009
static inline void bnx2x_zero_sp_sb(struct bnx2x *bp)
4010 4011
{
	int func = BP_FUNC(bp);
4012 4013
	struct hc_sp_status_block_data sp_sb_data;
	memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
E
Eliezer Tamir 已提交
4014

4015 4016 4017 4018 4019 4020 4021 4022 4023 4024 4025 4026 4027 4028 4029 4030 4031 4032 4033 4034 4035 4036 4037 4038
	sp_sb_data.p_func.pf_id = HC_FUNCTION_DISABLED;
	sp_sb_data.p_func.vf_id = HC_FUNCTION_DISABLED;
	sp_sb_data.p_func.vf_valid = false;

	bnx2x_wr_sp_sb_data(bp, &sp_sb_data);

	bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
			CSTORM_SP_STATUS_BLOCK_OFFSET(func), 0,
			CSTORM_SP_STATUS_BLOCK_SIZE);
	bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
			CSTORM_SP_SYNC_BLOCK_OFFSET(func), 0,
			CSTORM_SP_SYNC_BLOCK_SIZE);

}


static inline
void bnx2x_setup_ndsb_state_machine(struct hc_status_block_sm *hc_sm,
					   int igu_sb_id, int igu_seg_id)
{
	hc_sm->igu_sb_id = igu_sb_id;
	hc_sm->igu_seg_id = igu_seg_id;
	hc_sm->timer_value = 0xFF;
	hc_sm->time_to_expire = 0xFFFFFFFF;
E
Eliezer Tamir 已提交
4039 4040
}

4041
static void bnx2x_init_sb(struct bnx2x *bp, dma_addr_t mapping, int vfid,
4042
			  u8 vf_valid, int fw_sb_id, int igu_sb_id)
E
Eliezer Tamir 已提交
4043
{
4044 4045
	int igu_seg_id;

D
Dmitry Kravkov 已提交
4046
	struct hc_status_block_data_e2 sb_data_e2;
4047 4048 4049 4050 4051 4052
	struct hc_status_block_data_e1x sb_data_e1x;
	struct hc_status_block_sm  *hc_sm_p;
	struct hc_index_data *hc_index_p;
	int data_size;
	u32 *sb_data_p;

D
Dmitry Kravkov 已提交
4053 4054 4055 4056
	if (CHIP_INT_MODE_IS_BC(bp))
		igu_seg_id = HC_SEG_ACCESS_NORM;
	else
		igu_seg_id = IGU_SEG_ACCESS_NORM;
4057 4058 4059

	bnx2x_zero_fp_sb(bp, fw_sb_id);

D
Dmitry Kravkov 已提交
4060 4061 4062 4063 4064 4065 4066 4067 4068 4069 4070 4071 4072 4073 4074 4075 4076 4077 4078 4079 4080 4081 4082 4083 4084 4085 4086 4087
	if (CHIP_IS_E2(bp)) {
		memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
		sb_data_e2.common.p_func.pf_id = BP_FUNC(bp);
		sb_data_e2.common.p_func.vf_id = vfid;
		sb_data_e2.common.p_func.vf_valid = vf_valid;
		sb_data_e2.common.p_func.vnic_id = BP_VN(bp);
		sb_data_e2.common.same_igu_sb_1b = true;
		sb_data_e2.common.host_sb_addr.hi = U64_HI(mapping);
		sb_data_e2.common.host_sb_addr.lo = U64_LO(mapping);
		hc_sm_p = sb_data_e2.common.state_machine;
		hc_index_p = sb_data_e2.index_data;
		sb_data_p = (u32 *)&sb_data_e2;
		data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
	} else {
		memset(&sb_data_e1x, 0,
		       sizeof(struct hc_status_block_data_e1x));
		sb_data_e1x.common.p_func.pf_id = BP_FUNC(bp);
		sb_data_e1x.common.p_func.vf_id = 0xff;
		sb_data_e1x.common.p_func.vf_valid = false;
		sb_data_e1x.common.p_func.vnic_id = BP_VN(bp);
		sb_data_e1x.common.same_igu_sb_1b = true;
		sb_data_e1x.common.host_sb_addr.hi = U64_HI(mapping);
		sb_data_e1x.common.host_sb_addr.lo = U64_LO(mapping);
		hc_sm_p = sb_data_e1x.common.state_machine;
		hc_index_p = sb_data_e1x.index_data;
		sb_data_p = (u32 *)&sb_data_e1x;
		data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
	}
4088 4089 4090 4091 4092 4093 4094 4095 4096 4097 4098 4099 4100 4101 4102 4103 4104 4105 4106 4107 4108 4109 4110 4111 4112 4113 4114 4115 4116 4117 4118 4119

	bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_RX_ID],
				       igu_sb_id, igu_seg_id);
	bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_TX_ID],
				       igu_sb_id, igu_seg_id);

	DP(NETIF_MSG_HW, "Init FW SB %d\n", fw_sb_id);

	/* write indecies to HW */
	bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
}

static void bnx2x_update_coalesce_sb_index(struct bnx2x *bp, u16 fw_sb_id,
					u8 sb_index, u8 disable, u16 usec)
{
	int port = BP_PORT(bp);
	u8 ticks = usec / BNX2X_BTR;

	storm_memset_hc_timeout(bp, port, fw_sb_id, sb_index, ticks);

	disable = disable ? 1 : (usec ? 0 : 1);
	storm_memset_hc_disable(bp, port, fw_sb_id, sb_index, disable);
}

static void bnx2x_update_coalesce_sb(struct bnx2x *bp, u16 fw_sb_id,
				     u16 tx_usec, u16 rx_usec)
{
	bnx2x_update_coalesce_sb_index(bp, fw_sb_id, U_SB_ETH_RX_CQ_INDEX,
				    false, rx_usec);
	bnx2x_update_coalesce_sb_index(bp, fw_sb_id, C_SB_ETH_TX_CQ_INDEX,
				    false, tx_usec);
}
D
Dmitry Kravkov 已提交
4120

4121 4122 4123 4124 4125 4126
static void bnx2x_init_def_sb(struct bnx2x *bp)
{
	struct host_sp_status_block *def_sb = bp->def_status_blk;
	dma_addr_t mapping = bp->def_status_blk_mapping;
	int igu_sp_sb_index;
	int igu_seg_id;
4127 4128
	int port = BP_PORT(bp);
	int func = BP_FUNC(bp);
4129
	int reg_offset;
E
Eliezer Tamir 已提交
4130
	u64 section;
4131 4132 4133 4134
	int index;
	struct hc_sp_status_block_data sp_sb_data;
	memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));

D
Dmitry Kravkov 已提交
4135 4136 4137 4138 4139 4140 4141
	if (CHIP_INT_MODE_IS_BC(bp)) {
		igu_sp_sb_index = DEF_SB_IGU_ID;
		igu_seg_id = HC_SEG_ACCESS_DEF;
	} else {
		igu_sp_sb_index = bp->igu_dsb_id;
		igu_seg_id = IGU_SEG_ACCESS_DEF;
	}
E
Eliezer Tamir 已提交
4142 4143

	/* ATTN */
4144
	section = ((u64)mapping) + offsetof(struct host_sp_status_block,
E
Eliezer Tamir 已提交
4145
					    atten_status_block);
4146
	def_sb->atten_status_block.status_block_id = igu_sp_sb_index;
E
Eliezer Tamir 已提交
4147

4148 4149
	bp->attn_state = 0;

E
Eliezer Tamir 已提交
4150 4151
	reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
			     MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
4152
	for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
4153 4154 4155 4156 4157
		int sindex;
		/* take care of sig[0]..sig[4] */
		for (sindex = 0; sindex < 4; sindex++)
			bp->attn_group[index].sig[sindex] =
			   REG_RD(bp, reg_offset + sindex*0x4 + 0x10*index);
D
Dmitry Kravkov 已提交
4158 4159 4160 4161 4162 4163 4164 4165 4166 4167 4168

		if (CHIP_IS_E2(bp))
			/*
			 * enable5 is separate from the rest of the registers,
			 * and therefore the address skip is 4
			 * and not 16 between the different groups
			 */
			bp->attn_group[index].sig[4] = REG_RD(bp,
					reg_offset + 0x10 + 0x4*index);
		else
			bp->attn_group[index].sig[4] = 0;
E
Eliezer Tamir 已提交
4169 4170
	}

D
Dmitry Kravkov 已提交
4171 4172 4173 4174 4175 4176 4177 4178 4179 4180
	if (bp->common.int_block == INT_BLOCK_HC) {
		reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
				     HC_REG_ATTN_MSG0_ADDR_L);

		REG_WR(bp, reg_offset, U64_LO(section));
		REG_WR(bp, reg_offset + 4, U64_HI(section));
	} else if (CHIP_IS_E2(bp)) {
		REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_L, U64_LO(section));
		REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_H, U64_HI(section));
	}
E
Eliezer Tamir 已提交
4181

4182 4183
	section = ((u64)mapping) + offsetof(struct host_sp_status_block,
					    sp_sb);
E
Eliezer Tamir 已提交
4184

4185
	bnx2x_zero_sp_sb(bp);
E
Eliezer Tamir 已提交
4186

4187 4188 4189 4190 4191
	sp_sb_data.host_sb_addr.lo	= U64_LO(section);
	sp_sb_data.host_sb_addr.hi	= U64_HI(section);
	sp_sb_data.igu_sb_id		= igu_sp_sb_index;
	sp_sb_data.igu_seg_id		= igu_seg_id;
	sp_sb_data.p_func.pf_id		= func;
D
Dmitry Kravkov 已提交
4192
	sp_sb_data.p_func.vnic_id	= BP_VN(bp);
4193
	sp_sb_data.p_func.vf_id		= 0xff;
E
Eliezer Tamir 已提交
4194

4195
	bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
4196

Y
Yitchak Gertner 已提交
4197
	bp->stats_pending = 0;
Y
Yitchak Gertner 已提交
4198
	bp->set_mac_pending = 0;
Y
Yitchak Gertner 已提交
4199

4200
	bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0, IGU_INT_ENABLE, 0);
E
Eliezer Tamir 已提交
4201 4202
}

D
Dmitry Kravkov 已提交
4203
void bnx2x_update_coalesce(struct bnx2x *bp)
E
Eliezer Tamir 已提交
4204 4205 4206
{
	int i;

V
Vladislav Zolotarov 已提交
4207
	for_each_eth_queue(bp, i)
4208 4209
		bnx2x_update_coalesce_sb(bp, bp->fp[i].fw_sb_id,
					 bp->rx_ticks, bp->tx_ticks);
E
Eliezer Tamir 已提交
4210 4211 4212 4213 4214
}

static void bnx2x_init_sp_ring(struct bnx2x *bp)
{
	spin_lock_init(&bp->spq_lock);
4215
	atomic_set(&bp->spq_left, MAX_SPQ_PENDING);
E
Eliezer Tamir 已提交
4216 4217 4218 4219 4220 4221 4222

	bp->spq_prod_idx = 0;
	bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX;
	bp->spq_prod_bd = bp->spq;
	bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT;
}

4223
static void bnx2x_init_eq_ring(struct bnx2x *bp)
E
Eliezer Tamir 已提交
4224 4225
{
	int i;
4226 4227 4228
	for (i = 1; i <= NUM_EQ_PAGES; i++) {
		union event_ring_elem *elem =
			&bp->eq_ring[EQ_DESC_CNT_PAGE * i - 1];
E
Eliezer Tamir 已提交
4229

4230 4231 4232 4233 4234 4235
		elem->next_page.addr.hi =
			cpu_to_le32(U64_HI(bp->eq_mapping +
				   BCM_PAGE_SIZE * (i % NUM_EQ_PAGES)));
		elem->next_page.addr.lo =
			cpu_to_le32(U64_LO(bp->eq_mapping +
				   BCM_PAGE_SIZE*(i % NUM_EQ_PAGES)));
E
Eliezer Tamir 已提交
4236
	}
4237 4238 4239
	bp->eq_cons = 0;
	bp->eq_prod = NUM_EQ_DESC;
	bp->eq_cons_sb = BNX2X_EQ_INDEX;
E
Eliezer Tamir 已提交
4240 4241 4242 4243
}

static void bnx2x_init_ind_table(struct bnx2x *bp)
{
4244
	int func = BP_FUNC(bp);
E
Eliezer Tamir 已提交
4245 4246
	int i;

E
Eilon Greenstein 已提交
4247
	if (bp->multi_mode == ETH_RSS_MODE_DISABLED)
E
Eliezer Tamir 已提交
4248 4249
		return;

E
Eilon Greenstein 已提交
4250 4251
	DP(NETIF_MSG_IFUP,
	   "Initializing indirection table  multi_mode %d\n", bp->multi_mode);
E
Eliezer Tamir 已提交
4252
	for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
4253
		REG_WR8(bp, BAR_TSTRORM_INTMEM +
4254
			TSTORM_INDIRECTION_TABLE_OFFSET(func) + i,
V
Vladislav Zolotarov 已提交
4255 4256
			bp->fp->cl_id + (i % (bp->num_queues -
				NONE_ETH_CONTEXT_USE)));
E
Eliezer Tamir 已提交
4257 4258
}

D
Dmitry Kravkov 已提交
4259
void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
E
Eliezer Tamir 已提交
4260
{
4261
	int mode = bp->rx_mode;
V
Vladislav Zolotarov 已提交
4262
	int port = BP_PORT(bp);
4263
	u16 cl_id;
V
Vladislav Zolotarov 已提交
4264
	u32 def_q_filters = 0;
4265

4266 4267 4268 4269 4270 4271
	/* All but management unicast packets should pass to the host as well */
	u32 llh_mask =
		NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_BRCST |
		NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_MLCST |
		NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_VLAN |
		NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_NO_VLAN;
E
Eliezer Tamir 已提交
4272 4273 4274

	switch (mode) {
	case BNX2X_RX_MODE_NONE: /* no Rx */
V
Vladislav Zolotarov 已提交
4275 4276 4277 4278 4279 4280 4281
		def_q_filters = BNX2X_ACCEPT_NONE;
#ifdef BCM_CNIC
		if (!NO_FCOE(bp)) {
			cl_id = bnx2x_fcoe(bp, cl_id);
			bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_NONE);
		}
#endif
E
Eliezer Tamir 已提交
4282
		break;
E
Eilon Greenstein 已提交
4283

E
Eliezer Tamir 已提交
4284
	case BNX2X_RX_MODE_NORMAL:
V
Vladislav Zolotarov 已提交
4285 4286 4287
		def_q_filters |= BNX2X_ACCEPT_UNICAST | BNX2X_ACCEPT_BROADCAST |
				BNX2X_ACCEPT_MULTICAST;
#ifdef BCM_CNIC
4288 4289 4290 4291 4292 4293
		if (!NO_FCOE(bp)) {
			cl_id = bnx2x_fcoe(bp, cl_id);
			bnx2x_rxq_set_mac_filters(bp, cl_id,
						  BNX2X_ACCEPT_UNICAST |
						  BNX2X_ACCEPT_MULTICAST);
		}
V
Vladislav Zolotarov 已提交
4294
#endif
E
Eliezer Tamir 已提交
4295
		break;
E
Eilon Greenstein 已提交
4296

E
Eliezer Tamir 已提交
4297
	case BNX2X_RX_MODE_ALLMULTI:
V
Vladislav Zolotarov 已提交
4298 4299 4300
		def_q_filters |= BNX2X_ACCEPT_UNICAST | BNX2X_ACCEPT_BROADCAST |
				BNX2X_ACCEPT_ALL_MULTICAST;
#ifdef BCM_CNIC
4301 4302 4303 4304 4305 4306 4307 4308 4309
		/*
		 *  Prevent duplication of multicast packets by configuring FCoE
		 *  L2 Client to receive only matched unicast frames.
		 */
		if (!NO_FCOE(bp)) {
			cl_id = bnx2x_fcoe(bp, cl_id);
			bnx2x_rxq_set_mac_filters(bp, cl_id,
						  BNX2X_ACCEPT_UNICAST);
		}
V
Vladislav Zolotarov 已提交
4310
#endif
E
Eliezer Tamir 已提交
4311
		break;
E
Eilon Greenstein 已提交
4312

E
Eliezer Tamir 已提交
4313
	case BNX2X_RX_MODE_PROMISC:
V
Vladislav Zolotarov 已提交
4314 4315
		def_q_filters |= BNX2X_PROMISCUOUS_MODE;
#ifdef BCM_CNIC
4316 4317 4318 4319 4320 4321 4322 4323
		/*
		 *  Prevent packets duplication by configuring DROP_ALL for FCoE
		 *  L2 Client.
		 */
		if (!NO_FCOE(bp)) {
			cl_id = bnx2x_fcoe(bp, cl_id);
			bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_NONE);
		}
V
Vladislav Zolotarov 已提交
4324
#endif
4325 4326
		/* pass management unicast packets as well */
		llh_mask |= NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_UNCST;
E
Eliezer Tamir 已提交
4327
		break;
E
Eilon Greenstein 已提交
4328

E
Eliezer Tamir 已提交
4329
	default:
4330 4331
		BNX2X_ERR("BAD rx mode (%d)\n", mode);
		break;
E
Eliezer Tamir 已提交
4332 4333
	}

V
Vladislav Zolotarov 已提交
4334 4335 4336
	cl_id = BP_L_ID(bp);
	bnx2x_rxq_set_mac_filters(bp, cl_id, def_q_filters);

4337
	REG_WR(bp,
V
Vladislav Zolotarov 已提交
4338 4339
	       (port ? NIG_REG_LLH1_BRB1_DRV_MASK :
		       NIG_REG_LLH0_BRB1_DRV_MASK), llh_mask);
4340

4341 4342
	DP(NETIF_MSG_IFUP, "rx mode %d\n"
		"drop_ucast 0x%x\ndrop_mcast 0x%x\ndrop_bcast 0x%x\n"
V
Vladislav Zolotarov 已提交
4343 4344
		"accp_ucast 0x%x\naccp_mcast 0x%x\naccp_bcast 0x%x\n"
		"unmatched_ucast 0x%x\n", mode,
4345 4346 4347 4348 4349
		bp->mac_filters.ucast_drop_all,
		bp->mac_filters.mcast_drop_all,
		bp->mac_filters.bcast_drop_all,
		bp->mac_filters.ucast_accept_all,
		bp->mac_filters.mcast_accept_all,
V
Vladislav Zolotarov 已提交
4350 4351
		bp->mac_filters.bcast_accept_all,
		bp->mac_filters.unmatched_unicast
4352
	);
E
Eliezer Tamir 已提交
4353

4354
	storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
E
Eliezer Tamir 已提交
4355 4356
}

4357 4358 4359 4360
static void bnx2x_init_internal_common(struct bnx2x *bp)
{
	int i;

4361
	if (!CHIP_IS_E1(bp)) {
E
Eilon Greenstein 已提交
4362

4363 4364
		/* xstorm needs to know whether to add  ovlan to packets or not,
		 * in switch-independent we'll write 0 to here... */
4365
		REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNCTION_MODE_OFFSET,
D
Dmitry Kravkov 已提交
4366
			bp->mf_mode);
4367
		REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNCTION_MODE_OFFSET,
D
Dmitry Kravkov 已提交
4368
			bp->mf_mode);
4369
		REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNCTION_MODE_OFFSET,
D
Dmitry Kravkov 已提交
4370
			bp->mf_mode);
4371
		REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNCTION_MODE_OFFSET,
D
Dmitry Kravkov 已提交
4372
			bp->mf_mode);
4373 4374
	}

4375 4376 4377 4378 4379 4380 4381 4382 4383
	if (IS_MF_SI(bp))
		/*
		 * In switch independent mode, the TSTORM needs to accept
		 * packets that failed classification, since approximate match
		 * mac addresses aren't written to NIG LLH
		 */
		REG_WR8(bp, BAR_TSTRORM_INTMEM +
			    TSTORM_ACCEPT_CLASSIFY_FAILED_OFFSET, 2);

4384 4385 4386
	/* Zero this manually as its initialization is
	   currently missing in the initTool */
	for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++)
E
Eilon Greenstein 已提交
4387
		REG_WR(bp, BAR_USTRORM_INTMEM +
4388
		       USTORM_AGG_DATA_OFFSET + i * 4, 0);
D
Dmitry Kravkov 已提交
4389 4390 4391 4392 4393
	if (CHIP_IS_E2(bp)) {
		REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_IGU_MODE_OFFSET,
			CHIP_INT_MODE_IS_BC(bp) ?
			HC_IGU_BC_MODE : HC_IGU_NBC_MODE);
	}
4394
}
E
Eilon Greenstein 已提交
4395

4396 4397 4398
static void bnx2x_init_internal_port(struct bnx2x *bp)
{
	/* port */
V
Vladislav Zolotarov 已提交
4399
	bnx2x_dcb_init_intmem_pfc(bp);
E
Eliezer Tamir 已提交
4400 4401
}

4402 4403 4404 4405
static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code)
{
	switch (load_code) {
	case FW_MSG_CODE_DRV_LOAD_COMMON:
D
Dmitry Kravkov 已提交
4406
	case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
4407 4408 4409 4410 4411 4412 4413 4414
		bnx2x_init_internal_common(bp);
		/* no break */

	case FW_MSG_CODE_DRV_LOAD_PORT:
		bnx2x_init_internal_port(bp);
		/* no break */

	case FW_MSG_CODE_DRV_LOAD_FUNCTION:
4415 4416
		/* internal memory per function is
		   initialized inside bnx2x_pf_init */
4417 4418 4419 4420 4421 4422 4423 4424
		break;

	default:
		BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
		break;
	}
}

4425 4426 4427 4428 4429 4430 4431 4432 4433 4434 4435 4436
static void bnx2x_init_fp_sb(struct bnx2x *bp, int fp_idx)
{
	struct bnx2x_fastpath *fp = &bp->fp[fp_idx];

	fp->state = BNX2X_FP_STATE_CLOSED;

	fp->index = fp->cid = fp_idx;
	fp->cl_id = BP_L_ID(bp) + fp_idx;
	fp->fw_sb_id = bp->base_fw_ndsb + fp->cl_id + CNIC_CONTEXT_USE;
	fp->igu_sb_id = bp->igu_base_sb + fp_idx + CNIC_CONTEXT_USE;
	/* qZone id equals to FW (per path) client id */
	fp->cl_qzone_id  = fp->cl_id +
D
Dmitry Kravkov 已提交
4437 4438
			   BP_PORT(bp)*(CHIP_IS_E2(bp) ? ETH_MAX_RX_CLIENTS_E2 :
				ETH_MAX_RX_CLIENTS_E1H);
4439
	/* init shortcut */
D
Dmitry Kravkov 已提交
4440 4441
	fp->ustorm_rx_prods_offset = CHIP_IS_E2(bp) ?
			    USTORM_RX_PRODS_E2_OFFSET(fp->cl_qzone_id) :
4442 4443 4444 4445 4446 4447 4448 4449 4450 4451 4452 4453 4454 4455 4456
			    USTORM_RX_PRODS_E1X_OFFSET(BP_PORT(bp), fp->cl_id);
	/* Setup SB indicies */
	fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
	fp->tx_cons_sb = BNX2X_TX_SB_INDEX;

	DP(NETIF_MSG_IFUP, "queue[%d]:  bnx2x_init_sb(%p,%p)  "
				   "cl_id %d  fw_sb %d  igu_sb %d\n",
		   fp_idx, bp, fp->status_blk.e1x_sb, fp->cl_id, fp->fw_sb_id,
		   fp->igu_sb_id);
	bnx2x_init_sb(bp, fp->status_blk_mapping, BNX2X_VF_ID_INVALID, false,
		      fp->fw_sb_id, fp->igu_sb_id);

	bnx2x_update_fpsb_idx(fp);
}

D
Dmitry Kravkov 已提交
4457
void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
E
Eliezer Tamir 已提交
4458 4459 4460
{
	int i;

V
Vladislav Zolotarov 已提交
4461
	for_each_eth_queue(bp, i)
4462
		bnx2x_init_fp_sb(bp, i);
4463
#ifdef BCM_CNIC
V
Vladislav Zolotarov 已提交
4464 4465
	if (!NO_FCOE(bp))
		bnx2x_init_fcoe_fp(bp);
4466 4467 4468 4469 4470

	bnx2x_init_sb(bp, bp->cnic_sb_mapping,
		      BNX2X_VF_ID_INVALID, false,
		      CNIC_SB_ID(bp), CNIC_IGU_SB_ID(bp));

4471
#endif
E
Eliezer Tamir 已提交
4472

4473 4474 4475
	/* ensure status block indices were read */
	rmb();

4476
	bnx2x_init_def_sb(bp);
4477
	bnx2x_update_dsb_idx(bp);
E
Eliezer Tamir 已提交
4478
	bnx2x_init_rx_rings(bp);
4479
	bnx2x_init_tx_rings(bp);
E
Eliezer Tamir 已提交
4480
	bnx2x_init_sp_ring(bp);
4481
	bnx2x_init_eq_ring(bp);
4482
	bnx2x_init_internal(bp, load_code);
4483
	bnx2x_pf_init(bp);
E
Eliezer Tamir 已提交
4484
	bnx2x_init_ind_table(bp);
4485 4486 4487 4488 4489 4490 4491 4492 4493
	bnx2x_stats_init(bp);

	/* At this point, we are ready for interrupts */
	atomic_set(&bp->intr_sem, 0);

	/* flush all before enabling interrupts */
	mb();
	mmiowb();

E
Eliezer Tamir 已提交
4494
	bnx2x_int_enable(bp);
4495 4496 4497 4498 4499

	/* Check for SPIO5 */
	bnx2x_attn_int_deasserted0(bp,
		REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + BP_PORT(bp)*4) &
				   AEU_INPUTS_ATTN_BITS_SPIO5);
E
Eliezer Tamir 已提交
4500 4501 4502 4503 4504 4505 4506 4507 4508 4509
}

/* end of nic init */

/*
 * gzip service functions
 */

static int bnx2x_gunzip_init(struct bnx2x *bp)
{
4510 4511
	bp->gunzip_buf = dma_alloc_coherent(&bp->pdev->dev, FW_BUF_SIZE,
					    &bp->gunzip_mapping, GFP_KERNEL);
E
Eliezer Tamir 已提交
4512 4513 4514 4515 4516 4517 4518 4519 4520 4521 4522 4523 4524 4525 4526 4527 4528 4529 4530
	if (bp->gunzip_buf  == NULL)
		goto gunzip_nomem1;

	bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
	if (bp->strm  == NULL)
		goto gunzip_nomem2;

	bp->strm->workspace = kmalloc(zlib_inflate_workspacesize(),
				      GFP_KERNEL);
	if (bp->strm->workspace == NULL)
		goto gunzip_nomem3;

	return 0;

gunzip_nomem3:
	kfree(bp->strm);
	bp->strm = NULL;

gunzip_nomem2:
4531 4532
	dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
			  bp->gunzip_mapping);
E
Eliezer Tamir 已提交
4533 4534 4535
	bp->gunzip_buf = NULL;

gunzip_nomem1:
V
Vladislav Zolotarov 已提交
4536 4537
	netdev_err(bp->dev, "Cannot allocate firmware buffer for"
	       " un-compression\n");
E
Eliezer Tamir 已提交
4538 4539 4540 4541 4542 4543 4544 4545 4546 4547
	return -ENOMEM;
}

static void bnx2x_gunzip_end(struct bnx2x *bp)
{
	kfree(bp->strm->workspace);
	kfree(bp->strm);
	bp->strm = NULL;

	if (bp->gunzip_buf) {
4548 4549
		dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
				  bp->gunzip_mapping);
E
Eliezer Tamir 已提交
4550 4551 4552 4553
		bp->gunzip_buf = NULL;
	}
}

4554
static int bnx2x_gunzip(struct bnx2x *bp, const u8 *zbuf, int len)
E
Eliezer Tamir 已提交
4555 4556 4557 4558
{
	int n, rc;

	/* check gzip header */
4559 4560
	if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED)) {
		BNX2X_ERR("Bad gzip header\n");
E
Eliezer Tamir 已提交
4561
		return -EINVAL;
4562
	}
E
Eliezer Tamir 已提交
4563 4564 4565

	n = 10;

4566
#define FNAME				0x8
E
Eliezer Tamir 已提交
4567 4568 4569 4570

	if (zbuf[3] & FNAME)
		while ((zbuf[n++] != 0) && (n < len));

4571
	bp->strm->next_in = (typeof(bp->strm->next_in))zbuf + n;
E
Eliezer Tamir 已提交
4572 4573 4574 4575 4576 4577 4578 4579 4580 4581
	bp->strm->avail_in = len - n;
	bp->strm->next_out = bp->gunzip_buf;
	bp->strm->avail_out = FW_BUF_SIZE;

	rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
	if (rc != Z_OK)
		return rc;

	rc = zlib_inflate(bp->strm, Z_FINISH);
	if ((rc != Z_OK) && (rc != Z_STREAM_END))
4582 4583
		netdev_err(bp->dev, "Firmware decompression error: %s\n",
			   bp->strm->msg);
E
Eliezer Tamir 已提交
4584 4585 4586

	bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
	if (bp->gunzip_outlen & 0x3)
V
Vladislav Zolotarov 已提交
4587 4588 4589
		netdev_err(bp->dev, "Firmware decompression error:"
				    " gunzip_outlen (%d) not aligned\n",
				bp->gunzip_outlen);
E
Eliezer Tamir 已提交
4590 4591 4592 4593 4594 4595 4596 4597 4598 4599 4600 4601 4602
	bp->gunzip_outlen >>= 2;

	zlib_inflateEnd(bp->strm);

	if (rc == Z_STREAM_END)
		return 0;

	return rc;
}

/* nic load/unload */

/*
4603
 * General service functions
E
Eliezer Tamir 已提交
4604 4605 4606 4607 4608 4609 4610 4611 4612 4613
 */

/* send a NIG loopback debug packet */
static void bnx2x_lb_pckt(struct bnx2x *bp)
{
	u32 wb_write[3];

	/* Ethernet source and destination addresses */
	wb_write[0] = 0x55555555;
	wb_write[1] = 0x55555555;
4614
	wb_write[2] = 0x20;		/* SOP */
E
Eliezer Tamir 已提交
4615 4616 4617 4618 4619
	REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);

	/* NON-IP protocol */
	wb_write[0] = 0x09000000;
	wb_write[1] = 0x55555555;
4620
	wb_write[2] = 0x10;		/* EOP, eop_bvalid = 0 */
E
Eliezer Tamir 已提交
4621 4622 4623 4624 4625 4626 4627 4628 4629 4630 4631 4632 4633
	REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
}

/* some of the internal memories
 * are not directly readable from the driver
 * to test them we send debug packets
 */
static int bnx2x_int_mem_test(struct bnx2x *bp)
{
	int factor;
	int count, i;
	u32 val = 0;

4634
	if (CHIP_REV_IS_FPGA(bp))
E
Eliezer Tamir 已提交
4635
		factor = 120;
4636 4637 4638
	else if (CHIP_REV_IS_EMUL(bp))
		factor = 200;
	else
E
Eliezer Tamir 已提交
4639 4640 4641 4642 4643 4644
		factor = 1;

	/* Disable inputs of parser neighbor blocks */
	REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
	REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
	REG_WR(bp, CFC_REG_DEBUG0, 0x1);
4645
	REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
E
Eliezer Tamir 已提交
4646 4647 4648 4649 4650 4651 4652 4653 4654 4655 4656

	/*  Write 0 to parser credits for CFC search request */
	REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);

	/* send Ethernet packet */
	bnx2x_lb_pckt(bp);

	/* TODO do i reset NIG statistic? */
	/* Wait until NIG register shows 1 packet of size 0x10 */
	count = 1000 * factor;
	while (count) {
4657

E
Eliezer Tamir 已提交
4658 4659 4660 4661 4662 4663 4664 4665 4666 4667 4668 4669 4670 4671 4672 4673 4674 4675 4676 4677 4678 4679 4680 4681 4682 4683 4684 4685 4686
		bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
		val = *bnx2x_sp(bp, wb_data[0]);
		if (val == 0x10)
			break;

		msleep(10);
		count--;
	}
	if (val != 0x10) {
		BNX2X_ERR("NIG timeout  val = 0x%x\n", val);
		return -1;
	}

	/* Wait until PRS register shows 1 packet */
	count = 1000 * factor;
	while (count) {
		val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
		if (val == 1)
			break;

		msleep(10);
		count--;
	}
	if (val != 0x1) {
		BNX2X_ERR("PRS timeout val = 0x%x\n", val);
		return -2;
	}

	/* Reset and init BRB, PRS */
4687
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
E
Eliezer Tamir 已提交
4688
	msleep(50);
4689
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
E
Eliezer Tamir 已提交
4690
	msleep(50);
4691 4692
	bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
	bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
E
Eliezer Tamir 已提交
4693 4694 4695 4696 4697 4698 4699

	DP(NETIF_MSG_HW, "part2\n");

	/* Disable inputs of parser neighbor blocks */
	REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
	REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
	REG_WR(bp, CFC_REG_DEBUG0, 0x1);
4700
	REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
E
Eliezer Tamir 已提交
4701 4702 4703 4704 4705 4706 4707 4708 4709 4710 4711 4712

	/* Write 0 to parser credits for CFC search request */
	REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);

	/* send 10 Ethernet packets */
	for (i = 0; i < 10; i++)
		bnx2x_lb_pckt(bp);

	/* Wait until NIG register shows 10 + 1
	   packets of size 11*0x10 = 0xb0 */
	count = 1000 * factor;
	while (count) {
4713

E
Eliezer Tamir 已提交
4714 4715 4716 4717 4718 4719 4720 4721 4722 4723 4724 4725 4726 4727 4728 4729 4730 4731 4732 4733 4734 4735 4736 4737 4738 4739 4740 4741 4742 4743 4744 4745 4746 4747 4748 4749 4750 4751 4752 4753 4754 4755
		bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
		val = *bnx2x_sp(bp, wb_data[0]);
		if (val == 0xb0)
			break;

		msleep(10);
		count--;
	}
	if (val != 0xb0) {
		BNX2X_ERR("NIG timeout  val = 0x%x\n", val);
		return -3;
	}

	/* Wait until PRS register shows 2 packets */
	val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
	if (val != 2)
		BNX2X_ERR("PRS timeout  val = 0x%x\n", val);

	/* Write 1 to parser credits for CFC search request */
	REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);

	/* Wait until PRS register shows 3 packets */
	msleep(10 * factor);
	/* Wait until NIG register shows 1 packet of size 0x10 */
	val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
	if (val != 3)
		BNX2X_ERR("PRS timeout  val = 0x%x\n", val);

	/* clear NIG EOP FIFO */
	for (i = 0; i < 11; i++)
		REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
	val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
	if (val != 1) {
		BNX2X_ERR("clear of NIG failed\n");
		return -4;
	}

	/* Reset and init BRB, PRS, NIG */
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
	msleep(50);
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
	msleep(50);
4756 4757
	bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
	bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
4758
#ifndef BCM_CNIC
E
Eliezer Tamir 已提交
4759 4760 4761 4762 4763 4764 4765 4766
	/* set NIC mode */
	REG_WR(bp, PRS_REG_NIC_MODE, 1);
#endif

	/* Enable inputs of parser neighbor blocks */
	REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
	REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
	REG_WR(bp, CFC_REG_DEBUG0, 0x0);
4767
	REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1);
E
Eliezer Tamir 已提交
4768 4769 4770 4771 4772 4773

	DP(NETIF_MSG_HW, "done\n");

	return 0; /* OK */
}

4774
static void bnx2x_enable_blocks_attention(struct bnx2x *bp)
E
Eliezer Tamir 已提交
4775 4776
{
	REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
D
Dmitry Kravkov 已提交
4777 4778 4779 4780
	if (CHIP_IS_E2(bp))
		REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0x40);
	else
		REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
E
Eliezer Tamir 已提交
4781 4782
	REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
	REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
D
Dmitry Kravkov 已提交
4783 4784 4785 4786 4787 4788 4789
	/*
	 * mask read length error interrupts in brb for parser
	 * (parsing unit and 'checksum and crc' unit)
	 * these errors are legal (PU reads fixed length and CAC can cause
	 * read length error on truncated packets)
	 */
	REG_WR(bp, BRB1_REG_BRB1_INT_MASK, 0xFC00);
E
Eliezer Tamir 已提交
4790 4791 4792 4793 4794
	REG_WR(bp, QM_REG_QM_INT_MASK, 0);
	REG_WR(bp, TM_REG_TM_INT_MASK, 0);
	REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
	REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
	REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
4795 4796
/*	REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
/*	REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
E
Eliezer Tamir 已提交
4797 4798 4799
	REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
	REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
	REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
4800 4801
/*	REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
/*	REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
E
Eliezer Tamir 已提交
4802 4803 4804 4805
	REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
	REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
	REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
	REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
4806 4807
/*	REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
/*	REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
D
Dmitry Kravkov 已提交
4808

4809 4810
	if (CHIP_REV_IS_FPGA(bp))
		REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000);
D
Dmitry Kravkov 已提交
4811 4812 4813 4814 4815 4816 4817
	else if (CHIP_IS_E2(bp))
		REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0,
			   (PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_OF
				| PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_AFT
				| PXP2_PXP2_INT_MASK_0_REG_PGL_PCIE_ATTN
				| PXP2_PXP2_INT_MASK_0_REG_PGL_READ_BLOCKED
				| PXP2_PXP2_INT_MASK_0_REG_PGL_WRITE_BLOCKED));
4818 4819
	else
		REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000);
E
Eliezer Tamir 已提交
4820 4821 4822
	REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
	REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
	REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
4823 4824
/*	REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
/*	REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0); */
E
Eliezer Tamir 已提交
4825 4826
	REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
	REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
4827
/*	REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
4828
	REG_WR(bp, PBF_REG_PBF_INT_MASK, 0x18);		/* bit 3,4 masked */
E
Eliezer Tamir 已提交
4829 4830
}

E
Eilon Greenstein 已提交
4831 4832 4833 4834 4835 4836 4837 4838
static void bnx2x_reset_common(struct bnx2x *bp)
{
	/* reset_common */
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
	       0xd3ffff7f);
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 0x1403);
}

4839 4840 4841 4842 4843 4844 4845 4846 4847 4848 4849 4850 4851 4852 4853 4854 4855 4856
static void bnx2x_init_pxp(struct bnx2x *bp)
{
	u16 devctl;
	int r_order, w_order;

	pci_read_config_word(bp->pdev,
			     bp->pcie_cap + PCI_EXP_DEVCTL, &devctl);
	DP(NETIF_MSG_HW, "read 0x%x from devctl\n", devctl);
	w_order = ((devctl & PCI_EXP_DEVCTL_PAYLOAD) >> 5);
	if (bp->mrrs == -1)
		r_order = ((devctl & PCI_EXP_DEVCTL_READRQ) >> 12);
	else {
		DP(NETIF_MSG_HW, "force read order to %d\n", bp->mrrs);
		r_order = bp->mrrs;
	}

	bnx2x_init_pxp_arb(bp, r_order, w_order);
}
E
Eilon Greenstein 已提交
4857 4858 4859

static void bnx2x_setup_fan_failure_detection(struct bnx2x *bp)
{
4860
	int is_required;
E
Eilon Greenstein 已提交
4861
	u32 val;
4862
	int port;
E
Eilon Greenstein 已提交
4863

4864 4865 4866 4867
	if (BP_NOMCP(bp))
		return;

	is_required = 0;
E
Eilon Greenstein 已提交
4868 4869 4870 4871 4872 4873 4874 4875 4876 4877 4878 4879 4880 4881
	val = SHMEM_RD(bp, dev_info.shared_hw_config.config2) &
	      SHARED_HW_CFG_FAN_FAILURE_MASK;

	if (val == SHARED_HW_CFG_FAN_FAILURE_ENABLED)
		is_required = 1;

	/*
	 * The fan failure mechanism is usually related to the PHY type since
	 * the power consumption of the board is affected by the PHY. Currently,
	 * fan is required for most designs with SFX7101, BCM8727 and BCM8481.
	 */
	else if (val == SHARED_HW_CFG_FAN_FAILURE_PHY_TYPE)
		for (port = PORT_0; port < PORT_MAX; port++) {
			is_required |=
4882 4883 4884
				bnx2x_fan_failure_det_req(
					bp,
					bp->common.shmem_base,
Y
Yaniv Rosner 已提交
4885
					bp->common.shmem2_base,
4886
					port);
E
Eilon Greenstein 已提交
4887 4888 4889 4890 4891 4892 4893 4894 4895 4896 4897 4898 4899 4900
		}

	DP(NETIF_MSG_HW, "fan detection setting: %d\n", is_required);

	if (is_required == 0)
		return;

	/* Fan failure is indicated by SPIO 5 */
	bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5,
		       MISC_REGISTERS_SPIO_INPUT_HI_Z);

	/* set to active low mode */
	val = REG_RD(bp, MISC_REG_SPIO_INT);
	val |= ((1 << MISC_REGISTERS_SPIO_5) <<
V
Vladislav Zolotarov 已提交
4901
					MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
E
Eilon Greenstein 已提交
4902 4903 4904 4905 4906 4907 4908 4909
	REG_WR(bp, MISC_REG_SPIO_INT, val);

	/* enable interrupt to signal the IGU */
	val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
	val |= (1 << MISC_REGISTERS_SPIO_5);
	REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
}

D
Dmitry Kravkov 已提交
4910 4911 4912 4913 4914 4915 4916 4917 4918 4919 4920 4921 4922 4923 4924 4925 4926 4927 4928 4929 4930 4931 4932 4933 4934 4935 4936 4937 4938 4939 4940 4941 4942 4943 4944 4945 4946 4947 4948 4949 4950 4951 4952 4953 4954 4955 4956 4957 4958 4959 4960 4961 4962
static void bnx2x_pretend_func(struct bnx2x *bp, u8 pretend_func_num)
{
	u32 offset = 0;

	if (CHIP_IS_E1(bp))
		return;
	if (CHIP_IS_E1H(bp) && (pretend_func_num >= E1H_FUNC_MAX))
		return;

	switch (BP_ABS_FUNC(bp)) {
	case 0:
		offset = PXP2_REG_PGL_PRETEND_FUNC_F0;
		break;
	case 1:
		offset = PXP2_REG_PGL_PRETEND_FUNC_F1;
		break;
	case 2:
		offset = PXP2_REG_PGL_PRETEND_FUNC_F2;
		break;
	case 3:
		offset = PXP2_REG_PGL_PRETEND_FUNC_F3;
		break;
	case 4:
		offset = PXP2_REG_PGL_PRETEND_FUNC_F4;
		break;
	case 5:
		offset = PXP2_REG_PGL_PRETEND_FUNC_F5;
		break;
	case 6:
		offset = PXP2_REG_PGL_PRETEND_FUNC_F6;
		break;
	case 7:
		offset = PXP2_REG_PGL_PRETEND_FUNC_F7;
		break;
	default:
		return;
	}

	REG_WR(bp, offset, pretend_func_num);
	REG_RD(bp, offset);
	DP(NETIF_MSG_HW, "Pretending to func %d\n", pretend_func_num);
}

static void bnx2x_pf_disable(struct bnx2x *bp)
{
	u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
	val &= ~IGU_PF_CONF_FUNC_EN;

	REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
	REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 0);
	REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 0);
}

4963
static int bnx2x_init_hw_common(struct bnx2x *bp, u32 load_code)
E
Eliezer Tamir 已提交
4964 4965 4966
{
	u32 val, i;

D
Dmitry Kravkov 已提交
4967
	DP(BNX2X_MSG_MCP, "starting common init  func %d\n", BP_ABS_FUNC(bp));
E
Eliezer Tamir 已提交
4968

E
Eilon Greenstein 已提交
4969
	bnx2x_reset_common(bp);
4970 4971
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 0xfffc);
E
Eliezer Tamir 已提交
4972

4973
	bnx2x_init_block(bp, MISC_BLOCK, COMMON_STAGE);
D
Dmitry Kravkov 已提交
4974
	if (!CHIP_IS_E1(bp))
D
Dmitry Kravkov 已提交
4975
		REG_WR(bp, MISC_REG_E1HMF_MODE, IS_MF(bp));
E
Eliezer Tamir 已提交
4976

D
Dmitry Kravkov 已提交
4977 4978 4979 4980 4981 4982 4983 4984 4985 4986 4987 4988 4989 4990 4991 4992 4993 4994 4995 4996 4997 4998 4999 5000
	if (CHIP_IS_E2(bp)) {
		u8 fid;

		/**
		 * 4-port mode or 2-port mode we need to turn of master-enable
		 * for everyone, after that, turn it back on for self.
		 * so, we disregard multi-function or not, and always disable
		 * for all functions on the given path, this means 0,2,4,6 for
		 * path 0 and 1,3,5,7 for path 1
		 */
		for (fid = BP_PATH(bp); fid  < E2_FUNC_MAX*2; fid += 2) {
			if (fid == BP_ABS_FUNC(bp)) {
				REG_WR(bp,
				    PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER,
				    1);
				continue;
			}

			bnx2x_pretend_func(bp, fid);
			/* clear pf enable */
			bnx2x_pf_disable(bp);
			bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
		}
	}
E
Eliezer Tamir 已提交
5001

5002
	bnx2x_init_block(bp, PXP_BLOCK, COMMON_STAGE);
5003 5004 5005 5006 5007
	if (CHIP_IS_E1(bp)) {
		/* enable HW interrupt from PXP on USDM overflow
		   bit 16 on INT_MASK_0 */
		REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
	}
E
Eliezer Tamir 已提交
5008

5009
	bnx2x_init_block(bp, PXP2_BLOCK, COMMON_STAGE);
5010
	bnx2x_init_pxp(bp);
E
Eliezer Tamir 已提交
5011 5012

#ifdef __BIG_ENDIAN
5013 5014 5015 5016 5017
	REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1);
	REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1);
	REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1);
	REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1);
	REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1);
E
Eilon Greenstein 已提交
5018 5019
	/* make sure this value is 0 */
	REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 0);
5020 5021 5022 5023 5024 5025

/*	REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */
	REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1);
	REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1);
	REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1);
	REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1);
E
Eliezer Tamir 已提交
5026 5027
#endif

5028 5029
	bnx2x_ilt_init_page_size(bp, INITOP_SET);

5030 5031
	if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
		REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
E
Eliezer Tamir 已提交
5032

5033 5034 5035 5036 5037 5038 5039 5040 5041 5042 5043 5044 5045
	/* let the HW do it's magic ... */
	msleep(100);
	/* finish PXP init */
	val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
	if (val != 1) {
		BNX2X_ERR("PXP2 CFG failed\n");
		return -EBUSY;
	}
	val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
	if (val != 1) {
		BNX2X_ERR("PXP2 RD_INIT failed\n");
		return -EBUSY;
	}
E
Eliezer Tamir 已提交
5046

D
Dmitry Kravkov 已提交
5047 5048 5049 5050 5051 5052 5053 5054 5055 5056 5057
	/* Timers bug workaround E2 only. We need to set the entire ILT to
	 * have entries with value "0" and valid bit on.
	 * This needs to be done by the first PF that is loaded in a path
	 * (i.e. common phase)
	 */
	if (CHIP_IS_E2(bp)) {
		struct ilt_client_info ilt_cli;
		struct bnx2x_ilt ilt;
		memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
		memset(&ilt, 0, sizeof(struct bnx2x_ilt));

5058
		/* initialize dummy TM client */
D
Dmitry Kravkov 已提交
5059 5060 5061 5062 5063 5064 5065 5066 5067 5068 5069 5070 5071 5072 5073 5074 5075 5076 5077 5078 5079 5080 5081 5082 5083
		ilt_cli.start = 0;
		ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
		ilt_cli.client_num = ILT_CLIENT_TM;

		/* Step 1: set zeroes to all ilt page entries with valid bit on
		 * Step 2: set the timers first/last ilt entry to point
		 * to the entire range to prevent ILT range error for 3rd/4th
		 * vnic	(this code assumes existance of the vnic)
		 *
		 * both steps performed by call to bnx2x_ilt_client_init_op()
		 * with dummy TM client
		 *
		 * we must use pretend since PXP2_REG_RQ_##blk##_FIRST_ILT
		 * and his brother are split registers
		 */
		bnx2x_pretend_func(bp, (BP_PATH(bp) + 6));
		bnx2x_ilt_client_init_op_ilt(bp, &ilt, &ilt_cli, INITOP_CLEAR);
		bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));

		REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN, BNX2X_PXP_DRAM_ALIGN);
		REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_RD, BNX2X_PXP_DRAM_ALIGN);
		REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_SEL, 1);
	}


5084 5085
	REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
	REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
E
Eliezer Tamir 已提交
5086

D
Dmitry Kravkov 已提交
5087 5088 5089 5090 5091 5092 5093 5094 5095 5096 5097 5098 5099 5100 5101 5102 5103 5104 5105
	if (CHIP_IS_E2(bp)) {
		int factor = CHIP_REV_IS_EMUL(bp) ? 1000 :
				(CHIP_REV_IS_FPGA(bp) ? 400 : 0);
		bnx2x_init_block(bp, PGLUE_B_BLOCK, COMMON_STAGE);

		bnx2x_init_block(bp, ATC_BLOCK, COMMON_STAGE);

		/* let the HW do it's magic ... */
		do {
			msleep(200);
			val = REG_RD(bp, ATC_REG_ATC_INIT_DONE);
		} while (factor-- && (val != 1));

		if (val != 1) {
			BNX2X_ERR("ATC_INIT failed\n");
			return -EBUSY;
		}
	}

5106
	bnx2x_init_block(bp, DMAE_BLOCK, COMMON_STAGE);
E
Eliezer Tamir 已提交
5107

5108 5109 5110
	/* clean the DMAE memory */
	bp->dmae_ready = 1;
	bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8);
E
Eliezer Tamir 已提交
5111

5112 5113 5114 5115
	bnx2x_init_block(bp, TCM_BLOCK, COMMON_STAGE);
	bnx2x_init_block(bp, UCM_BLOCK, COMMON_STAGE);
	bnx2x_init_block(bp, CCM_BLOCK, COMMON_STAGE);
	bnx2x_init_block(bp, XCM_BLOCK, COMMON_STAGE);
E
Eliezer Tamir 已提交
5116

5117 5118 5119 5120 5121
	bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
	bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
	bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
	bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);

5122
	bnx2x_init_block(bp, QM_BLOCK, COMMON_STAGE);
5123

D
Dmitry Kravkov 已提交
5124 5125
	if (CHIP_MODE_IS_4_PORT(bp))
		bnx2x_init_block(bp, QM_4PORT_BLOCK, COMMON_STAGE);
D
Dmitry Kravkov 已提交
5126

5127 5128 5129
	/* QM queues pointers table */
	bnx2x_qm_init_ptr_table(bp, bp->qm_cid_count, INITOP_SET);

5130 5131 5132
	/* soft reset pulse */
	REG_WR(bp, QM_REG_SOFT_RESET, 1);
	REG_WR(bp, QM_REG_SOFT_RESET, 0);
E
Eliezer Tamir 已提交
5133

5134
#ifdef BCM_CNIC
5135
	bnx2x_init_block(bp, TIMERS_BLOCK, COMMON_STAGE);
E
Eliezer Tamir 已提交
5136 5137
#endif

5138
	bnx2x_init_block(bp, DQ_BLOCK, COMMON_STAGE);
5139 5140
	REG_WR(bp, DORQ_REG_DPM_CID_OFST, BNX2X_DB_SHIFT);

5141 5142 5143 5144
	if (!CHIP_REV_IS_SLOW(bp)) {
		/* enable hw interrupt from doorbell Q */
		REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
	}
E
Eliezer Tamir 已提交
5145

5146
	bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
D
Dmitry Kravkov 已提交
5147 5148 5149 5150 5151
	if (CHIP_MODE_IS_4_PORT(bp)) {
		REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD, 248);
		REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD, 328);
	}

5152
	bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
5153
	REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
5154
#ifndef BCM_CNIC
5155 5156
	/* set NIC mode */
	REG_WR(bp, PRS_REG_NIC_MODE, 1);
5157
#endif
D
Dmitry Kravkov 已提交
5158
	if (!CHIP_IS_E1(bp))
5159
		REG_WR(bp, PRS_REG_E1HOV_MODE, IS_MF_SD(bp));
D
Dmitry Kravkov 已提交
5160

D
Dmitry Kravkov 已提交
5161 5162 5163
	if (CHIP_IS_E2(bp)) {
		/* Bit-map indicating which L2 hdrs may appear after the
		   basic Ethernet header */
5164
		int has_ovlan = IS_MF_SD(bp);
D
Dmitry Kravkov 已提交
5165 5166 5167
		REG_WR(bp, PRS_REG_HDRS_AFTER_BASIC, (has_ovlan ? 7 : 6));
		REG_WR(bp, PRS_REG_MUST_HAVE_HDRS, (has_ovlan ? 1 : 0));
	}
E
Eliezer Tamir 已提交
5168

5169 5170 5171 5172
	bnx2x_init_block(bp, TSDM_BLOCK, COMMON_STAGE);
	bnx2x_init_block(bp, CSDM_BLOCK, COMMON_STAGE);
	bnx2x_init_block(bp, USDM_BLOCK, COMMON_STAGE);
	bnx2x_init_block(bp, XSDM_BLOCK, COMMON_STAGE);
E
Eliezer Tamir 已提交
5173

E
Eilon Greenstein 已提交
5174 5175 5176 5177
	bnx2x_init_fill(bp, TSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
	bnx2x_init_fill(bp, USEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
	bnx2x_init_fill(bp, CSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
	bnx2x_init_fill(bp, XSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
E
Eliezer Tamir 已提交
5178

5179 5180 5181 5182
	bnx2x_init_block(bp, TSEM_BLOCK, COMMON_STAGE);
	bnx2x_init_block(bp, USEM_BLOCK, COMMON_STAGE);
	bnx2x_init_block(bp, CSEM_BLOCK, COMMON_STAGE);
	bnx2x_init_block(bp, XSEM_BLOCK, COMMON_STAGE);
E
Eliezer Tamir 已提交
5183

D
Dmitry Kravkov 已提交
5184 5185 5186
	if (CHIP_MODE_IS_4_PORT(bp))
		bnx2x_init_block(bp, XSEM_4PORT_BLOCK, COMMON_STAGE);

5187 5188 5189 5190 5191
	/* sync semi rtc */
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
	       0x80000000);
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
	       0x80000000);
E
Eliezer Tamir 已提交
5192

5193 5194 5195
	bnx2x_init_block(bp, UPB_BLOCK, COMMON_STAGE);
	bnx2x_init_block(bp, XPB_BLOCK, COMMON_STAGE);
	bnx2x_init_block(bp, PBF_BLOCK, COMMON_STAGE);
E
Eliezer Tamir 已提交
5196

D
Dmitry Kravkov 已提交
5197
	if (CHIP_IS_E2(bp)) {
5198
		int has_ovlan = IS_MF_SD(bp);
D
Dmitry Kravkov 已提交
5199 5200 5201 5202
		REG_WR(bp, PBF_REG_HDRS_AFTER_BASIC, (has_ovlan ? 7 : 6));
		REG_WR(bp, PBF_REG_MUST_HAVE_HDRS, (has_ovlan ? 1 : 0));
	}

5203
	REG_WR(bp, SRC_REG_SOFT_RST, 1);
5204 5205
	for (i = SRC_REG_KEYRSS0_0; i <= SRC_REG_KEYRSS1_9; i += 4)
		REG_WR(bp, i, random32());
D
Dmitry Kravkov 已提交
5206

5207
	bnx2x_init_block(bp, SRCH_BLOCK, COMMON_STAGE);
5208 5209 5210 5211 5212 5213 5214 5215 5216 5217 5218 5219
#ifdef BCM_CNIC
	REG_WR(bp, SRC_REG_KEYSEARCH_0, 0x63285672);
	REG_WR(bp, SRC_REG_KEYSEARCH_1, 0x24b8f2cc);
	REG_WR(bp, SRC_REG_KEYSEARCH_2, 0x223aef9b);
	REG_WR(bp, SRC_REG_KEYSEARCH_3, 0x26001e3a);
	REG_WR(bp, SRC_REG_KEYSEARCH_4, 0x7ae91116);
	REG_WR(bp, SRC_REG_KEYSEARCH_5, 0x5ce5230b);
	REG_WR(bp, SRC_REG_KEYSEARCH_6, 0x298d8adf);
	REG_WR(bp, SRC_REG_KEYSEARCH_7, 0x6eb0ff09);
	REG_WR(bp, SRC_REG_KEYSEARCH_8, 0x1830f82f);
	REG_WR(bp, SRC_REG_KEYSEARCH_9, 0x01e46be7);
#endif
5220
	REG_WR(bp, SRC_REG_SOFT_RST, 0);
E
Eliezer Tamir 已提交
5221

5222 5223
	if (sizeof(union cdu_context) != 1024)
		/* we currently assume that a context is 1024 bytes */
V
Vladislav Zolotarov 已提交
5224 5225
		dev_alert(&bp->pdev->dev, "please adjust the size "
					  "of cdu_context(%ld)\n",
5226
			 (long)sizeof(union cdu_context));
E
Eliezer Tamir 已提交
5227

5228
	bnx2x_init_block(bp, CDU_BLOCK, COMMON_STAGE);
5229 5230
	val = (4 << 24) + (0 << 12) + 1024;
	REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
E
Eliezer Tamir 已提交
5231

5232
	bnx2x_init_block(bp, CFC_BLOCK, COMMON_STAGE);
5233
	REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
E
Eilon Greenstein 已提交
5234 5235 5236 5237 5238
	/* enable context validation interrupt from CFC */
	REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);

	/* set the thresholds to prevent CFC/CDU race */
	REG_WR(bp, CFC_REG_DEBUG0, 0x20020000);
E
Eliezer Tamir 已提交
5239

5240
	bnx2x_init_block(bp, HC_BLOCK, COMMON_STAGE);
D
Dmitry Kravkov 已提交
5241 5242 5243 5244 5245

	if (CHIP_IS_E2(bp) && BP_NOMCP(bp))
		REG_WR(bp, IGU_REG_RESET_MEMORIES, 0x36);

	bnx2x_init_block(bp, IGU_BLOCK, COMMON_STAGE);
5246
	bnx2x_init_block(bp, MISC_AEU_BLOCK, COMMON_STAGE);
E
Eliezer Tamir 已提交
5247

5248
	bnx2x_init_block(bp, PXPCS_BLOCK, COMMON_STAGE);
5249 5250 5251
	/* Reset PCIE errors for debug */
	REG_WR(bp, 0x2814, 0xffffffff);
	REG_WR(bp, 0x3820, 0xffffffff);
E
Eliezer Tamir 已提交
5252

D
Dmitry Kravkov 已提交
5253 5254 5255 5256 5257 5258 5259 5260 5261 5262 5263 5264 5265 5266
	if (CHIP_IS_E2(bp)) {
		REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_CONTROL_5,
			   (PXPCS_TL_CONTROL_5_ERR_UNSPPORT1 |
				PXPCS_TL_CONTROL_5_ERR_UNSPPORT));
		REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC345_STAT,
			   (PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT4 |
				PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT3 |
				PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT2));
		REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC678_STAT,
			   (PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT7 |
				PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT6 |
				PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT5));
	}

5267 5268 5269 5270
	bnx2x_init_block(bp, EMAC0_BLOCK, COMMON_STAGE);
	bnx2x_init_block(bp, EMAC1_BLOCK, COMMON_STAGE);
	bnx2x_init_block(bp, DBU_BLOCK, COMMON_STAGE);
	bnx2x_init_block(bp, DBG_BLOCK, COMMON_STAGE);
5271

5272
	bnx2x_init_block(bp, NIG_BLOCK, COMMON_STAGE);
D
Dmitry Kravkov 已提交
5273
	if (!CHIP_IS_E1(bp)) {
D
Dmitry Kravkov 已提交
5274
		REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_MF(bp));
5275
		REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_MF_SD(bp));
5276
	}
D
Dmitry Kravkov 已提交
5277 5278 5279
	if (CHIP_IS_E2(bp)) {
		/* Bit-map indicating which L2 hdrs may appear after the
		   basic Ethernet header */
5280
		REG_WR(bp, NIG_REG_P0_HDRS_AFTER_BASIC, (IS_MF_SD(bp) ? 7 : 6));
D
Dmitry Kravkov 已提交
5281
	}
5282 5283 5284 5285 5286 5287 5288 5289 5290 5291 5292 5293 5294 5295 5296 5297 5298 5299 5300 5301 5302

	if (CHIP_REV_IS_SLOW(bp))
		msleep(200);

	/* finish CFC init */
	val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
	if (val != 1) {
		BNX2X_ERR("CFC LL_INIT failed\n");
		return -EBUSY;
	}
	val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
	if (val != 1) {
		BNX2X_ERR("CFC AC_INIT failed\n");
		return -EBUSY;
	}
	val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
	if (val != 1) {
		BNX2X_ERR("CFC CAM_INIT failed\n");
		return -EBUSY;
	}
	REG_WR(bp, CFC_REG_DEBUG0, 0);
E
Eliezer Tamir 已提交
5303

D
Dmitry Kravkov 已提交
5304 5305 5306 5307 5308
	if (CHIP_IS_E1(bp)) {
		/* read NIG statistic
		   to see if this is our first up since powerup */
		bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
		val = *bnx2x_sp(bp, wb_data[0]);
5309

D
Dmitry Kravkov 已提交
5310 5311 5312 5313 5314
		/* do internal memory self test */
		if ((val == 0) && bnx2x_int_mem_test(bp)) {
			BNX2X_ERR("internal mem self test failed\n");
			return -EBUSY;
		}
5315 5316
	}

E
Eilon Greenstein 已提交
5317 5318
	bnx2x_setup_fan_failure_detection(bp);

5319 5320
	/* clear PXP2 attentions */
	REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
E
Eliezer Tamir 已提交
5321

5322 5323 5324
	bnx2x_enable_blocks_attention(bp);
	if (CHIP_PARITY_ENABLED(bp))
		bnx2x_enable_blocks_parity(bp);
E
Eliezer Tamir 已提交
5325

Y
Yaniv Rosner 已提交
5326
	if (!BP_NOMCP(bp)) {
D
Dmitry Kravkov 已提交
5327 5328 5329 5330 5331 5332 5333 5334 5335 5336 5337 5338 5339 5340 5341 5342 5343
		/* In E2 2-PORT mode, same ext phy is used for the two paths */
		if ((load_code == FW_MSG_CODE_DRV_LOAD_COMMON_CHIP) ||
		    CHIP_IS_E1x(bp)) {
			u32 shmem_base[2], shmem2_base[2];
			shmem_base[0] =  bp->common.shmem_base;
			shmem2_base[0] = bp->common.shmem2_base;
			if (CHIP_IS_E2(bp)) {
				shmem_base[1] =
					SHMEM2_RD(bp, other_shmem_base_addr);
				shmem2_base[1] =
					SHMEM2_RD(bp, other_shmem2_base_addr);
			}
			bnx2x_acquire_phy_lock(bp);
			bnx2x_common_init_phy(bp, shmem_base, shmem2_base,
					      bp->common.chip_id);
			bnx2x_release_phy_lock(bp);
		}
Y
Yaniv Rosner 已提交
5344 5345 5346
	} else
		BNX2X_ERR("Bootcode is missing - can not initialize link\n");

5347 5348
	return 0;
}
E
Eliezer Tamir 已提交
5349

5350
static int bnx2x_init_hw_port(struct bnx2x *bp)
5351 5352
{
	int port = BP_PORT(bp);
5353
	int init_stage = port ? PORT1_STAGE : PORT0_STAGE;
5354
	u32 low, high;
5355
	u32 val;
E
Eliezer Tamir 已提交
5356

V
Vladislav Zolotarov 已提交
5357
	DP(BNX2X_MSG_MCP, "starting port init  port %d\n", port);
5358 5359

	REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
E
Eliezer Tamir 已提交
5360

5361 5362
	bnx2x_init_block(bp, PXP_BLOCK, init_stage);
	bnx2x_init_block(bp, PXP2_BLOCK, init_stage);
E
Eilon Greenstein 已提交
5363

D
Dmitry Kravkov 已提交
5364 5365 5366 5367 5368 5369 5370 5371
	/* Timers bug workaround: disables the pf_master bit in pglue at
	 * common phase, we need to enable it here before any dmae access are
	 * attempted. Therefore we manually added the enable-master to the
	 * port phase (it also happens in the function phase)
	 */
	if (CHIP_IS_E2(bp))
		REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);

E
Eilon Greenstein 已提交
5372 5373 5374
	bnx2x_init_block(bp, TCM_BLOCK, init_stage);
	bnx2x_init_block(bp, UCM_BLOCK, init_stage);
	bnx2x_init_block(bp, CCM_BLOCK, init_stage);
5375
	bnx2x_init_block(bp, XCM_BLOCK, init_stage);
E
Eliezer Tamir 已提交
5376

5377 5378
	/* QM cid (connection) count */
	bnx2x_qm_init_cid_count(bp, bp->qm_cid_count, INITOP_SET);
E
Eliezer Tamir 已提交
5379

5380
#ifdef BCM_CNIC
5381
	bnx2x_init_block(bp, TIMERS_BLOCK, init_stage);
5382 5383
	REG_WR(bp, TM_REG_LIN0_SCAN_TIME + port*4, 20);
	REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + port*4, 31);
E
Eliezer Tamir 已提交
5384
#endif
V
Vladislav Zolotarov 已提交
5385

5386
	bnx2x_init_block(bp, DQ_BLOCK, init_stage);
5387

D
Dmitry Kravkov 已提交
5388 5389 5390 5391 5392 5393 5394 5395 5396 5397 5398 5399 5400 5401 5402 5403 5404 5405 5406 5407 5408 5409 5410 5411 5412 5413 5414
	if (CHIP_MODE_IS_4_PORT(bp))
		bnx2x_init_block(bp, QM_4PORT_BLOCK, init_stage);

	if (CHIP_IS_E1(bp) || CHIP_IS_E1H(bp)) {
		bnx2x_init_block(bp, BRB1_BLOCK, init_stage);
		if (CHIP_REV_IS_SLOW(bp) && CHIP_IS_E1(bp)) {
			/* no pause for emulation and FPGA */
			low = 0;
			high = 513;
		} else {
			if (IS_MF(bp))
				low = ((bp->flags & ONE_PORT_FLAG) ? 160 : 246);
			else if (bp->dev->mtu > 4096) {
				if (bp->flags & ONE_PORT_FLAG)
					low = 160;
				else {
					val = bp->dev->mtu;
					/* (24*1024 + val*4)/256 */
					low = 96 + (val/64) +
							((val % 64) ? 1 : 0);
				}
			} else
				low = ((bp->flags & ONE_PORT_FLAG) ? 80 : 160);
			high = low + 56;	/* 14*1024/256 */
		}
		REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0 + port*4, low);
		REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0 + port*4, high);
5415 5416
	}

D
Dmitry Kravkov 已提交
5417 5418 5419 5420 5421 5422
	if (CHIP_MODE_IS_4_PORT(bp)) {
		REG_WR(bp, BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 + port*8, 248);
		REG_WR(bp, BRB1_REG_PAUSE_0_XON_THRESHOLD_0 + port*8, 328);
		REG_WR(bp, (BP_PORT(bp) ? BRB1_REG_MAC_GUARANTIED_1 :
					  BRB1_REG_MAC_GUARANTIED_0), 40);
	}
5423

5424
	bnx2x_init_block(bp, PRS_BLOCK, init_stage);
E
Eilon Greenstein 已提交
5425

5426 5427 5428 5429
	bnx2x_init_block(bp, TSDM_BLOCK, init_stage);
	bnx2x_init_block(bp, CSDM_BLOCK, init_stage);
	bnx2x_init_block(bp, USDM_BLOCK, init_stage);
	bnx2x_init_block(bp, XSDM_BLOCK, init_stage);
E
Eilon Greenstein 已提交
5430

5431 5432 5433 5434
	bnx2x_init_block(bp, TSEM_BLOCK, init_stage);
	bnx2x_init_block(bp, USEM_BLOCK, init_stage);
	bnx2x_init_block(bp, CSEM_BLOCK, init_stage);
	bnx2x_init_block(bp, XSEM_BLOCK, init_stage);
D
Dmitry Kravkov 已提交
5435 5436
	if (CHIP_MODE_IS_4_PORT(bp))
		bnx2x_init_block(bp, XSEM_4PORT_BLOCK, init_stage);
E
Eilon Greenstein 已提交
5437

5438 5439
	bnx2x_init_block(bp, UPB_BLOCK, init_stage);
	bnx2x_init_block(bp, XPB_BLOCK, init_stage);
5440

5441
	bnx2x_init_block(bp, PBF_BLOCK, init_stage);
E
Eliezer Tamir 已提交
5442

D
Dmitry Kravkov 已提交
5443 5444 5445
	if (!CHIP_IS_E2(bp)) {
		/* configure PBF to work without PAUSE mtu 9000 */
		REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
E
Eliezer Tamir 已提交
5446

D
Dmitry Kravkov 已提交
5447 5448 5449 5450
		/* update threshold */
		REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
		/* update init credit */
		REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
E
Eliezer Tamir 已提交
5451

D
Dmitry Kravkov 已提交
5452 5453 5454 5455 5456
		/* probe changes */
		REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
		udelay(50);
		REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
	}
E
Eliezer Tamir 已提交
5457

5458 5459
#ifdef BCM_CNIC
	bnx2x_init_block(bp, SRCH_BLOCK, init_stage);
E
Eliezer Tamir 已提交
5460
#endif
5461 5462
	bnx2x_init_block(bp, CDU_BLOCK, init_stage);
	bnx2x_init_block(bp, CFC_BLOCK, init_stage);
5463 5464 5465 5466 5467

	if (CHIP_IS_E1(bp)) {
		REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
		REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
	}
5468
	bnx2x_init_block(bp, HC_BLOCK, init_stage);
5469

D
Dmitry Kravkov 已提交
5470 5471
	bnx2x_init_block(bp, IGU_BLOCK, init_stage);

5472
	bnx2x_init_block(bp, MISC_AEU_BLOCK, init_stage);
5473 5474 5475 5476
	/* init aeu_mask_attn_func_0/1:
	 *  - SF mode: bits 3-7 are masked. only bits 0-2 are in use
	 *  - MF mode: bit 3 is masked. bits 0-2 are in use as in SF
	 *             bits 4-7 are used for "per vn group attention" */
V
Vladislav Zolotarov 已提交
5477 5478 5479 5480
	val = IS_MF(bp) ? 0xF7 : 0x7;
	/* Enable DCBX attention for all but E1 */
	val |= CHIP_IS_E1(bp) ? 0 : 0x10;
	REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, val);
5481

5482 5483 5484 5485 5486
	bnx2x_init_block(bp, PXPCS_BLOCK, init_stage);
	bnx2x_init_block(bp, EMAC0_BLOCK, init_stage);
	bnx2x_init_block(bp, EMAC1_BLOCK, init_stage);
	bnx2x_init_block(bp, DBU_BLOCK, init_stage);
	bnx2x_init_block(bp, DBG_BLOCK, init_stage);
E
Eilon Greenstein 已提交
5487

5488
	bnx2x_init_block(bp, NIG_BLOCK, init_stage);
5489 5490 5491

	REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);

D
Dmitry Kravkov 已提交
5492
	if (!CHIP_IS_E1(bp)) {
D
Dmitry Kravkov 已提交
5493
		/* 0x2 disable mf_ov, 0x1 enable */
5494
		REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
5495
		       (IS_MF_SD(bp) ? 0x1 : 0x2));
5496

D
Dmitry Kravkov 已提交
5497 5498 5499 5500 5501 5502 5503 5504 5505 5506 5507 5508 5509 5510
		if (CHIP_IS_E2(bp)) {
			val = 0;
			switch (bp->mf_mode) {
			case MULTI_FUNCTION_SD:
				val = 1;
				break;
			case MULTI_FUNCTION_SI:
				val = 2;
				break;
			}

			REG_WR(bp, (BP_PORT(bp) ? NIG_REG_LLH1_CLS_TYPE :
						  NIG_REG_LLH0_CLS_TYPE), val);
		}
5511 5512 5513 5514 5515
		{
			REG_WR(bp, NIG_REG_LLFC_ENABLE_0 + port*4, 0);
			REG_WR(bp, NIG_REG_LLFC_OUT_EN_0 + port*4, 0);
			REG_WR(bp, NIG_REG_PAUSE_ENABLE_0 + port*4, 1);
		}
5516 5517
	}

5518 5519
	bnx2x_init_block(bp, MCP_BLOCK, init_stage);
	bnx2x_init_block(bp, DMAE_BLOCK, init_stage);
5520
	if (bnx2x_fan_failure_det_req(bp, bp->common.shmem_base,
Y
Yaniv Rosner 已提交
5521
				      bp->common.shmem2_base, port)) {
E
Eilon Greenstein 已提交
5522 5523 5524
		u32 reg_addr = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
				       MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
		val = REG_RD(bp, reg_addr);
E
Eliezer Tamir 已提交
5525
		val |= AEU_INPUTS_ATTN_BITS_SPIO5;
E
Eilon Greenstein 已提交
5526
		REG_WR(bp, reg_addr, val);
E
Eliezer Tamir 已提交
5527
	}
Y
Yaniv Rosner 已提交
5528
	bnx2x__link_reset(bp);
E
Eliezer Tamir 已提交
5529

5530 5531 5532 5533 5534 5535 5536
	return 0;
}

static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
{
	int reg;

D
Dmitry Kravkov 已提交
5537
	if (CHIP_IS_E1(bp))
5538
		reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
D
Dmitry Kravkov 已提交
5539 5540
	else
		reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
5541 5542 5543 5544

	bnx2x_wb_wr(bp, reg, ONCHIP_ADDR1(addr), ONCHIP_ADDR2(addr));
}

D
Dmitry Kravkov 已提交
5545 5546 5547 5548 5549 5550 5551 5552 5553 5554 5555 5556
static inline void bnx2x_igu_clear_sb(struct bnx2x *bp, u8 idu_sb_id)
{
	bnx2x_igu_clear_sb_gen(bp, idu_sb_id, true /*PF*/);
}

static inline void bnx2x_clear_func_ilt(struct bnx2x *bp, u32 func)
{
	u32 i, base = FUNC_ILT_BASE(func);
	for (i = base; i < base + ILT_PER_FUNC; i++)
		bnx2x_ilt_wr(bp, i, 0);
}

5557
static int bnx2x_init_hw_func(struct bnx2x *bp)
5558 5559 5560
{
	int port = BP_PORT(bp);
	int func = BP_FUNC(bp);
5561 5562
	struct bnx2x_ilt *ilt = BP_ILT(bp);
	u16 cdu_ilt_start;
E
Eilon Greenstein 已提交
5563
	u32 addr, val;
5564 5565
	u32 main_mem_base, main_mem_size, main_mem_prty_clr;
	int i, main_mem_width;
5566

V
Vladislav Zolotarov 已提交
5567
	DP(BNX2X_MSG_MCP, "starting func init  func %d\n", func);
5568

E
Eilon Greenstein 已提交
5569
	/* set MSI reconfigure capability */
D
Dmitry Kravkov 已提交
5570 5571 5572 5573 5574 5575
	if (bp->common.int_block == INT_BLOCK_HC) {
		addr = (port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0);
		val = REG_RD(bp, addr);
		val |= HC_CONFIG_0_REG_MSI_ATTN_EN_0;
		REG_WR(bp, addr, val);
	}
E
Eilon Greenstein 已提交
5576

5577 5578
	ilt = BP_ILT(bp);
	cdu_ilt_start = ilt->clients[ILT_CLIENT_CDU].start;
5579

5580 5581 5582 5583 5584 5585 5586
	for (i = 0; i < L2_ILT_LINES(bp); i++) {
		ilt->lines[cdu_ilt_start + i].page =
			bp->context.vcxt + (ILT_PAGE_CIDS * i);
		ilt->lines[cdu_ilt_start + i].page_mapping =
			bp->context.cxt_mapping + (CDU_ILT_PAGE_SZ * i);
		/* cdu ilt pages are allocated manually so there's no need to
		set the size */
5587
	}
5588
	bnx2x_ilt_init_op(bp, INITOP_SET);
D
Dmitry Kravkov 已提交
5589

5590 5591
#ifdef BCM_CNIC
	bnx2x_src_init_t2(bp, bp->t2, bp->t2_mapping, SRC_CONN_NUM);
5592

5593 5594 5595
	/* T1 hash bits value determines the T1 number of entries */
	REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + port*4, SRC_HASH_BITS);
#endif
5596

5597 5598 5599 5600
#ifndef BCM_CNIC
	/* set NIC mode */
	REG_WR(bp, PRS_REG_NIC_MODE, 1);
#endif  /* BCM_CNIC */
5601

D
Dmitry Kravkov 已提交
5602 5603 5604 5605 5606 5607 5608 5609 5610 5611 5612 5613 5614 5615 5616 5617 5618 5619 5620 5621 5622 5623 5624 5625 5626
	if (CHIP_IS_E2(bp)) {
		u32 pf_conf = IGU_PF_CONF_FUNC_EN;

		/* Turn on a single ISR mode in IGU if driver is going to use
		 * INT#x or MSI
		 */
		if (!(bp->flags & USING_MSIX_FLAG))
			pf_conf |= IGU_PF_CONF_SINGLE_ISR_EN;
		/*
		 * Timers workaround bug: function init part.
		 * Need to wait 20msec after initializing ILT,
		 * needed to make sure there are no requests in
		 * one of the PXP internal queues with "old" ILT addresses
		 */
		msleep(20);
		/*
		 * Master enable - Due to WB DMAE writes performed before this
		 * register is re-initialized as part of the regular function
		 * init
		 */
		REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
		/* Enable the function in IGU */
		REG_WR(bp, IGU_REG_PF_CONFIGURATION, pf_conf);
	}

5627
	bp->dmae_ready = 1;
5628

5629 5630
	bnx2x_init_block(bp, PGLUE_B_BLOCK, FUNC0_STAGE + func);

D
Dmitry Kravkov 已提交
5631 5632 5633
	if (CHIP_IS_E2(bp))
		REG_WR(bp, PGLUE_B_REG_WAS_ERROR_PF_7_0_CLR, func);

5634 5635 5636 5637 5638 5639 5640 5641 5642 5643
	bnx2x_init_block(bp, MISC_BLOCK, FUNC0_STAGE + func);
	bnx2x_init_block(bp, TCM_BLOCK, FUNC0_STAGE + func);
	bnx2x_init_block(bp, UCM_BLOCK, FUNC0_STAGE + func);
	bnx2x_init_block(bp, CCM_BLOCK, FUNC0_STAGE + func);
	bnx2x_init_block(bp, XCM_BLOCK, FUNC0_STAGE + func);
	bnx2x_init_block(bp, TSEM_BLOCK, FUNC0_STAGE + func);
	bnx2x_init_block(bp, USEM_BLOCK, FUNC0_STAGE + func);
	bnx2x_init_block(bp, CSEM_BLOCK, FUNC0_STAGE + func);
	bnx2x_init_block(bp, XSEM_BLOCK, FUNC0_STAGE + func);

D
Dmitry Kravkov 已提交
5644 5645 5646 5647 5648 5649 5650 5651 5652 5653 5654 5655 5656
	if (CHIP_IS_E2(bp)) {
		REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_PATH_ID_OFFSET,
								BP_PATH(bp));
		REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_PATH_ID_OFFSET,
								BP_PATH(bp));
	}

	if (CHIP_MODE_IS_4_PORT(bp))
		bnx2x_init_block(bp, XSEM_4PORT_BLOCK, FUNC0_STAGE + func);

	if (CHIP_IS_E2(bp))
		REG_WR(bp, QM_REG_PF_EN, 1);

5657
	bnx2x_init_block(bp, QM_BLOCK, FUNC0_STAGE + func);
D
Dmitry Kravkov 已提交
5658 5659 5660 5661

	if (CHIP_MODE_IS_4_PORT(bp))
		bnx2x_init_block(bp, QM_4PORT_BLOCK, FUNC0_STAGE + func);

5662 5663 5664 5665 5666 5667 5668 5669 5670 5671 5672
	bnx2x_init_block(bp, TIMERS_BLOCK, FUNC0_STAGE + func);
	bnx2x_init_block(bp, DQ_BLOCK, FUNC0_STAGE + func);
	bnx2x_init_block(bp, BRB1_BLOCK, FUNC0_STAGE + func);
	bnx2x_init_block(bp, PRS_BLOCK, FUNC0_STAGE + func);
	bnx2x_init_block(bp, TSDM_BLOCK, FUNC0_STAGE + func);
	bnx2x_init_block(bp, CSDM_BLOCK, FUNC0_STAGE + func);
	bnx2x_init_block(bp, USDM_BLOCK, FUNC0_STAGE + func);
	bnx2x_init_block(bp, XSDM_BLOCK, FUNC0_STAGE + func);
	bnx2x_init_block(bp, UPB_BLOCK, FUNC0_STAGE + func);
	bnx2x_init_block(bp, XPB_BLOCK, FUNC0_STAGE + func);
	bnx2x_init_block(bp, PBF_BLOCK, FUNC0_STAGE + func);
D
Dmitry Kravkov 已提交
5673 5674 5675
	if (CHIP_IS_E2(bp))
		REG_WR(bp, PBF_REG_DISABLE_PF, 0);

5676 5677 5678
	bnx2x_init_block(bp, CDU_BLOCK, FUNC0_STAGE + func);

	bnx2x_init_block(bp, CFC_BLOCK, FUNC0_STAGE + func);
5679

D
Dmitry Kravkov 已提交
5680 5681 5682
	if (CHIP_IS_E2(bp))
		REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 1);

D
Dmitry Kravkov 已提交
5683
	if (IS_MF(bp)) {
5684
		REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
D
Dmitry Kravkov 已提交
5685
		REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->mf_ov);
5686 5687
	}

5688 5689
	bnx2x_init_block(bp, MISC_AEU_BLOCK, FUNC0_STAGE + func);

5690
	/* HC init per function */
D
Dmitry Kravkov 已提交
5691 5692 5693 5694 5695 5696 5697 5698 5699 5700 5701 5702
	if (bp->common.int_block == INT_BLOCK_HC) {
		if (CHIP_IS_E1H(bp)) {
			REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);

			REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
			REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
		}
		bnx2x_init_block(bp, HC_BLOCK, FUNC0_STAGE + func);

	} else {
		int num_segs, sb_idx, prod_offset;

5703 5704
		REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);

D
Dmitry Kravkov 已提交
5705 5706 5707 5708 5709 5710 5711 5712 5713 5714 5715 5716 5717 5718 5719 5720 5721 5722 5723 5724 5725 5726 5727 5728 5729 5730 5731 5732 5733 5734 5735 5736 5737 5738 5739 5740 5741 5742 5743 5744 5745 5746 5747 5748 5749 5750 5751 5752 5753 5754 5755 5756 5757 5758 5759 5760 5761 5762 5763 5764 5765 5766 5767 5768 5769 5770 5771 5772 5773 5774 5775 5776 5777 5778 5779 5780 5781 5782 5783 5784 5785 5786 5787 5788 5789 5790 5791 5792 5793 5794 5795 5796 5797 5798 5799 5800
		if (CHIP_IS_E2(bp)) {
			REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
			REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
		}

		bnx2x_init_block(bp, IGU_BLOCK, FUNC0_STAGE + func);

		if (CHIP_IS_E2(bp)) {
			int dsb_idx = 0;
			/**
			 * Producer memory:
			 * E2 mode: address 0-135 match to the mapping memory;
			 * 136 - PF0 default prod; 137 - PF1 default prod;
			 * 138 - PF2 default prod; 139 - PF3 default prod;
			 * 140 - PF0 attn prod;    141 - PF1 attn prod;
			 * 142 - PF2 attn prod;    143 - PF3 attn prod;
			 * 144-147 reserved.
			 *
			 * E1.5 mode - In backward compatible mode;
			 * for non default SB; each even line in the memory
			 * holds the U producer and each odd line hold
			 * the C producer. The first 128 producers are for
			 * NDSB (PF0 - 0-31; PF1 - 32-63 and so on). The last 20
			 * producers are for the DSB for each PF.
			 * Each PF has five segments: (the order inside each
			 * segment is PF0; PF1; PF2; PF3) - 128-131 U prods;
			 * 132-135 C prods; 136-139 X prods; 140-143 T prods;
			 * 144-147 attn prods;
			 */
			/* non-default-status-blocks */
			num_segs = CHIP_INT_MODE_IS_BC(bp) ?
				IGU_BC_NDSB_NUM_SEGS : IGU_NORM_NDSB_NUM_SEGS;
			for (sb_idx = 0; sb_idx < bp->igu_sb_cnt; sb_idx++) {
				prod_offset = (bp->igu_base_sb + sb_idx) *
					num_segs;

				for (i = 0; i < num_segs; i++) {
					addr = IGU_REG_PROD_CONS_MEMORY +
							(prod_offset + i) * 4;
					REG_WR(bp, addr, 0);
				}
				/* send consumer update with value 0 */
				bnx2x_ack_sb(bp, bp->igu_base_sb + sb_idx,
					     USTORM_ID, 0, IGU_INT_NOP, 1);
				bnx2x_igu_clear_sb(bp,
						   bp->igu_base_sb + sb_idx);
			}

			/* default-status-blocks */
			num_segs = CHIP_INT_MODE_IS_BC(bp) ?
				IGU_BC_DSB_NUM_SEGS : IGU_NORM_DSB_NUM_SEGS;

			if (CHIP_MODE_IS_4_PORT(bp))
				dsb_idx = BP_FUNC(bp);
			else
				dsb_idx = BP_E1HVN(bp);

			prod_offset = (CHIP_INT_MODE_IS_BC(bp) ?
				       IGU_BC_BASE_DSB_PROD + dsb_idx :
				       IGU_NORM_BASE_DSB_PROD + dsb_idx);

			for (i = 0; i < (num_segs * E1HVN_MAX);
			     i += E1HVN_MAX) {
				addr = IGU_REG_PROD_CONS_MEMORY +
							(prod_offset + i)*4;
				REG_WR(bp, addr, 0);
			}
			/* send consumer update with 0 */
			if (CHIP_INT_MODE_IS_BC(bp)) {
				bnx2x_ack_sb(bp, bp->igu_dsb_id,
					     USTORM_ID, 0, IGU_INT_NOP, 1);
				bnx2x_ack_sb(bp, bp->igu_dsb_id,
					     CSTORM_ID, 0, IGU_INT_NOP, 1);
				bnx2x_ack_sb(bp, bp->igu_dsb_id,
					     XSTORM_ID, 0, IGU_INT_NOP, 1);
				bnx2x_ack_sb(bp, bp->igu_dsb_id,
					     TSTORM_ID, 0, IGU_INT_NOP, 1);
				bnx2x_ack_sb(bp, bp->igu_dsb_id,
					     ATTENTION_ID, 0, IGU_INT_NOP, 1);
			} else {
				bnx2x_ack_sb(bp, bp->igu_dsb_id,
					     USTORM_ID, 0, IGU_INT_NOP, 1);
				bnx2x_ack_sb(bp, bp->igu_dsb_id,
					     ATTENTION_ID, 0, IGU_INT_NOP, 1);
			}
			bnx2x_igu_clear_sb(bp, bp->igu_dsb_id);

			/* !!! these should become driver const once
			   rf-tool supports split-68 const */
			REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_LSB, 0);
			REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_MSB, 0);
			REG_WR(bp, IGU_REG_SB_MASK_LSB, 0);
			REG_WR(bp, IGU_REG_SB_MASK_MSB, 0);
			REG_WR(bp, IGU_REG_PBA_STATUS_LSB, 0);
			REG_WR(bp, IGU_REG_PBA_STATUS_MSB, 0);
		}
5801 5802
	}

E
Eliezer Tamir 已提交
5803
	/* Reset PCIE errors for debug */
E
Eliezer Tamir 已提交
5804 5805
	REG_WR(bp, 0x2114, 0xffffffff);
	REG_WR(bp, 0x2120, 0xffffffff);
5806 5807 5808 5809 5810 5811 5812 5813

	bnx2x_init_block(bp, EMAC0_BLOCK, FUNC0_STAGE + func);
	bnx2x_init_block(bp, EMAC1_BLOCK, FUNC0_STAGE + func);
	bnx2x_init_block(bp, DBU_BLOCK, FUNC0_STAGE + func);
	bnx2x_init_block(bp, DBG_BLOCK, FUNC0_STAGE + func);
	bnx2x_init_block(bp, MCP_BLOCK, FUNC0_STAGE + func);
	bnx2x_init_block(bp, DMAE_BLOCK, FUNC0_STAGE + func);

5814 5815 5816 5817 5818 5819 5820 5821 5822 5823 5824 5825 5826 5827 5828 5829 5830 5831 5832 5833 5834 5835 5836 5837 5838
	if (CHIP_IS_E1x(bp)) {
		main_mem_size = HC_REG_MAIN_MEMORY_SIZE / 2; /*dwords*/
		main_mem_base = HC_REG_MAIN_MEMORY +
				BP_PORT(bp) * (main_mem_size * 4);
		main_mem_prty_clr = HC_REG_HC_PRTY_STS_CLR;
		main_mem_width = 8;

		val = REG_RD(bp, main_mem_prty_clr);
		if (val)
			DP(BNX2X_MSG_MCP, "Hmmm... Parity errors in HC "
					  "block during "
					  "function init (0x%x)!\n", val);

		/* Clear "false" parity errors in MSI-X table */
		for (i = main_mem_base;
		     i < main_mem_base + main_mem_size * 4;
		     i += main_mem_width) {
			bnx2x_read_dmae(bp, i, main_mem_width / 4);
			bnx2x_write_dmae(bp, bnx2x_sp_mapping(bp, wb_data),
					 i, main_mem_width / 4);
		}
		/* Clear HC parity attention */
		REG_RD(bp, main_mem_prty_clr);
	}

Y
Yaniv Rosner 已提交
5839
	bnx2x_phy_probe(&bp->link_params);
D
Dmitry Kravkov 已提交
5840

5841 5842 5843
	return 0;
}

D
Dmitry Kravkov 已提交
5844
int bnx2x_init_hw(struct bnx2x *bp, u32 load_code)
5845
{
5846
	int rc = 0;
E
Eliezer Tamir 已提交
5847

5848
	DP(BNX2X_MSG_MCP, "function %d  load_code %x\n",
D
Dmitry Kravkov 已提交
5849
	   BP_ABS_FUNC(bp), load_code);
E
Eliezer Tamir 已提交
5850

5851 5852
	bp->dmae_ready = 0;
	mutex_init(&bp->dmae_mutex);
5853 5854 5855
	rc = bnx2x_gunzip_init(bp);
	if (rc)
		return rc;
E
Eliezer Tamir 已提交
5856

5857 5858
	switch (load_code) {
	case FW_MSG_CODE_DRV_LOAD_COMMON:
D
Dmitry Kravkov 已提交
5859
	case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
5860
		rc = bnx2x_init_hw_common(bp, load_code);
5861 5862 5863 5864 5865
		if (rc)
			goto init_hw_err;
		/* no break */

	case FW_MSG_CODE_DRV_LOAD_PORT:
5866
		rc = bnx2x_init_hw_port(bp);
5867 5868 5869 5870 5871
		if (rc)
			goto init_hw_err;
		/* no break */

	case FW_MSG_CODE_DRV_LOAD_FUNCTION:
5872
		rc = bnx2x_init_hw_func(bp);
5873 5874 5875 5876 5877 5878 5879 5880 5881 5882
		if (rc)
			goto init_hw_err;
		break;

	default:
		BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
		break;
	}

	if (!BP_NOMCP(bp)) {
D
Dmitry Kravkov 已提交
5883
		int mb_idx = BP_FW_MB_IDX(bp);
E
Eliezer Tamir 已提交
5884 5885

		bp->fw_drv_pulse_wr_seq =
D
Dmitry Kravkov 已提交
5886
				(SHMEM_RD(bp, func_mb[mb_idx].drv_pulse_mb) &
E
Eliezer Tamir 已提交
5887
				 DRV_PULSE_SEQ_MASK);
5888 5889
		DP(BNX2X_MSG_MCP, "drv_pulse 0x%x\n", bp->fw_drv_pulse_wr_seq);
	}
E
Eliezer Tamir 已提交
5890

5891 5892 5893 5894
init_hw_err:
	bnx2x_gunzip_end(bp);

	return rc;
E
Eliezer Tamir 已提交
5895 5896
}

D
Dmitry Kravkov 已提交
5897
void bnx2x_free_mem(struct bnx2x *bp)
E
Eliezer Tamir 已提交
5898 5899 5900 5901 5902
{

#define BNX2X_PCI_FREE(x, y, size) \
	do { \
		if (x) { \
5903
			dma_free_coherent(&bp->pdev->dev, size, (void *)x, y); \
E
Eliezer Tamir 已提交
5904 5905 5906 5907 5908 5909 5910 5911
			x = NULL; \
			y = 0; \
		} \
	} while (0)

#define BNX2X_FREE(x) \
	do { \
		if (x) { \
5912
			kfree((void *)x); \
E
Eliezer Tamir 已提交
5913 5914 5915 5916 5917 5918 5919
			x = NULL; \
		} \
	} while (0)

	int i;

	/* fastpath */
E
Eilon Greenstein 已提交
5920
	/* Common */
E
Eliezer Tamir 已提交
5921
	for_each_queue(bp, i) {
V
Vladislav Zolotarov 已提交
5922 5923 5924 5925 5926 5927 5928 5929 5930
#ifdef BCM_CNIC
		/* FCoE client uses default status block */
		if (IS_FCOE_IDX(i)) {
			union host_hc_status_block *sb =
				&bnx2x_fp(bp, i, status_blk);
			memset(sb, 0, sizeof(union host_hc_status_block));
			bnx2x_fp(bp, i, status_blk_mapping) = 0;
		} else {
#endif
E
Eilon Greenstein 已提交
5931
		/* status blocks */
D
Dmitry Kravkov 已提交
5932 5933 5934 5935 5936 5937 5938 5939
		if (CHIP_IS_E2(bp))
			BNX2X_PCI_FREE(bnx2x_fp(bp, i, status_blk.e2_sb),
				       bnx2x_fp(bp, i, status_blk_mapping),
				       sizeof(struct host_hc_status_block_e2));
		else
			BNX2X_PCI_FREE(bnx2x_fp(bp, i, status_blk.e1x_sb),
				       bnx2x_fp(bp, i, status_blk_mapping),
				       sizeof(struct host_hc_status_block_e1x));
V
Vladislav Zolotarov 已提交
5940 5941 5942
#ifdef BCM_CNIC
		}
#endif
E
Eilon Greenstein 已提交
5943 5944
	}
	/* Rx */
V
Vladislav Zolotarov 已提交
5945
	for_each_rx_queue(bp, i) {
E
Eliezer Tamir 已提交
5946

E
Eilon Greenstein 已提交
5947
		/* fastpath rx rings: rx_buf rx_desc rx_comp */
E
Eliezer Tamir 已提交
5948 5949 5950 5951 5952 5953 5954 5955 5956 5957
		BNX2X_FREE(bnx2x_fp(bp, i, rx_buf_ring));
		BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_desc_ring),
			       bnx2x_fp(bp, i, rx_desc_mapping),
			       sizeof(struct eth_rx_bd) * NUM_RX_BD);

		BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_comp_ring),
			       bnx2x_fp(bp, i, rx_comp_mapping),
			       sizeof(struct eth_fast_path_rx_cqe) *
			       NUM_RCQ_BD);

5958
		/* SGE ring */
E
Eilon Greenstein 已提交
5959
		BNX2X_FREE(bnx2x_fp(bp, i, rx_page_ring));
5960 5961 5962 5963
		BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_sge_ring),
			       bnx2x_fp(bp, i, rx_sge_mapping),
			       BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
	}
E
Eilon Greenstein 已提交
5964
	/* Tx */
V
Vladislav Zolotarov 已提交
5965
	for_each_tx_queue(bp, i) {
E
Eilon Greenstein 已提交
5966 5967 5968 5969 5970

		/* fastpath tx rings: tx_buf tx_desc */
		BNX2X_FREE(bnx2x_fp(bp, i, tx_buf_ring));
		BNX2X_PCI_FREE(bnx2x_fp(bp, i, tx_desc_ring),
			       bnx2x_fp(bp, i, tx_desc_mapping),
E
Eilon Greenstein 已提交
5971
			       sizeof(union eth_tx_bd_types) * NUM_TX_BD);
E
Eilon Greenstein 已提交
5972
	}
E
Eliezer Tamir 已提交
5973 5974 5975
	/* end of fastpath */

	BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
5976
		       sizeof(struct host_sp_status_block));
E
Eliezer Tamir 已提交
5977 5978

	BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
5979
		       sizeof(struct bnx2x_slowpath));
E
Eliezer Tamir 已提交
5980

5981 5982 5983 5984 5985 5986
	BNX2X_PCI_FREE(bp->context.vcxt, bp->context.cxt_mapping,
		       bp->context.size);

	bnx2x_ilt_mem_op(bp, ILT_MEMOP_FREE);

	BNX2X_FREE(bp->ilt->lines);
D
Dmitry Kravkov 已提交
5987

5988
#ifdef BCM_CNIC
D
Dmitry Kravkov 已提交
5989 5990 5991 5992 5993 5994
	if (CHIP_IS_E2(bp))
		BNX2X_PCI_FREE(bp->cnic_sb.e2_sb, bp->cnic_sb_mapping,
			       sizeof(struct host_hc_status_block_e2));
	else
		BNX2X_PCI_FREE(bp->cnic_sb.e1x_sb, bp->cnic_sb_mapping,
			       sizeof(struct host_hc_status_block_e1x));
D
Dmitry Kravkov 已提交
5995

5996
	BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, SRC_T2_SZ);
E
Eliezer Tamir 已提交
5997
#endif
D
Dmitry Kravkov 已提交
5998

5999
	BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
E
Eliezer Tamir 已提交
6000

6001 6002 6003
	BNX2X_PCI_FREE(bp->eq_ring, bp->eq_mapping,
		       BCM_PAGE_SIZE * NUM_EQ_PAGES);

E
Eliezer Tamir 已提交
6004 6005 6006 6007
#undef BNX2X_PCI_FREE
#undef BNX2X_KFREE
}

D
Dmitry Kravkov 已提交
6008 6009 6010 6011 6012 6013 6014 6015 6016 6017 6018 6019 6020 6021 6022 6023
static inline void set_sb_shortcuts(struct bnx2x *bp, int index)
{
	union host_hc_status_block status_blk = bnx2x_fp(bp, index, status_blk);
	if (CHIP_IS_E2(bp)) {
		bnx2x_fp(bp, index, sb_index_values) =
			(__le16 *)status_blk.e2_sb->sb.index_values;
		bnx2x_fp(bp, index, sb_running_index) =
			(__le16 *)status_blk.e2_sb->sb.running_index;
	} else {
		bnx2x_fp(bp, index, sb_index_values) =
			(__le16 *)status_blk.e1x_sb->sb.index_values;
		bnx2x_fp(bp, index, sb_running_index) =
			(__le16 *)status_blk.e1x_sb->sb.running_index;
	}
}

D
Dmitry Kravkov 已提交
6024
int bnx2x_alloc_mem(struct bnx2x *bp)
E
Eliezer Tamir 已提交
6025 6026 6027
{
#define BNX2X_PCI_ALLOC(x, y, size) \
	do { \
6028
		x = dma_alloc_coherent(&bp->pdev->dev, size, y, GFP_KERNEL); \
D
Dmitry Kravkov 已提交
6029 6030 6031 6032
		if (x == NULL) \
			goto alloc_mem_err; \
		memset(x, 0, size); \
	} while (0)
E
Eliezer Tamir 已提交
6033

D
Dmitry Kravkov 已提交
6034 6035
#define BNX2X_ALLOC(x, size) \
	do { \
6036
		x = kzalloc(size, GFP_KERNEL); \
D
Dmitry Kravkov 已提交
6037 6038 6039
		if (x == NULL) \
			goto alloc_mem_err; \
	} while (0)
E
Eliezer Tamir 已提交
6040

D
Dmitry Kravkov 已提交
6041
	int i;
E
Eliezer Tamir 已提交
6042

D
Dmitry Kravkov 已提交
6043 6044
	/* fastpath */
	/* Common */
E
Eliezer Tamir 已提交
6045
	for_each_queue(bp, i) {
D
Dmitry Kravkov 已提交
6046
		union host_hc_status_block *sb = &bnx2x_fp(bp, i, status_blk);
D
Dmitry Kravkov 已提交
6047 6048
		bnx2x_fp(bp, i, bp) = bp;
		/* status blocks */
V
Vladislav Zolotarov 已提交
6049 6050 6051 6052 6053 6054 6055 6056 6057 6058 6059 6060 6061 6062
#ifdef BCM_CNIC
		if (!IS_FCOE_IDX(i)) {
#endif
			if (CHIP_IS_E2(bp))
				BNX2X_PCI_ALLOC(sb->e2_sb,
				    &bnx2x_fp(bp, i, status_blk_mapping),
				    sizeof(struct host_hc_status_block_e2));
			else
				BNX2X_PCI_ALLOC(sb->e1x_sb,
				    &bnx2x_fp(bp, i, status_blk_mapping),
				    sizeof(struct host_hc_status_block_e1x));
#ifdef BCM_CNIC
		}
#endif
D
Dmitry Kravkov 已提交
6063
		set_sb_shortcuts(bp, i);
E
Eliezer Tamir 已提交
6064
	}
D
Dmitry Kravkov 已提交
6065 6066
	/* Rx */
	for_each_queue(bp, i) {
E
Eliezer Tamir 已提交
6067

D
Dmitry Kravkov 已提交
6068 6069 6070 6071 6072 6073
		/* fastpath rx rings: rx_buf rx_desc rx_comp */
		BNX2X_ALLOC(bnx2x_fp(bp, i, rx_buf_ring),
				sizeof(struct sw_rx_bd) * NUM_RX_BD);
		BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_desc_ring),
				&bnx2x_fp(bp, i, rx_desc_mapping),
				sizeof(struct eth_rx_bd) * NUM_RX_BD);
E
Eilon Greenstein 已提交
6074

D
Dmitry Kravkov 已提交
6075 6076 6077 6078
		BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_comp_ring),
				&bnx2x_fp(bp, i, rx_comp_mapping),
				sizeof(struct eth_fast_path_rx_cqe) *
				NUM_RCQ_BD);
E
Eliezer Tamir 已提交
6079

D
Dmitry Kravkov 已提交
6080 6081 6082 6083 6084 6085 6086 6087 6088
		/* SGE ring */
		BNX2X_ALLOC(bnx2x_fp(bp, i, rx_page_ring),
				sizeof(struct sw_rx_page) * NUM_RX_SGE);
		BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_sge_ring),
				&bnx2x_fp(bp, i, rx_sge_mapping),
				BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
	}
	/* Tx */
	for_each_queue(bp, i) {
E
Eilon Greenstein 已提交
6089

D
Dmitry Kravkov 已提交
6090 6091 6092 6093 6094 6095
		/* fastpath tx rings: tx_buf tx_desc */
		BNX2X_ALLOC(bnx2x_fp(bp, i, tx_buf_ring),
				sizeof(struct sw_tx_bd) * NUM_TX_BD);
		BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, tx_desc_ring),
				&bnx2x_fp(bp, i, tx_desc_mapping),
				sizeof(union eth_tx_bd_types) * NUM_TX_BD);
E
Eilon Greenstein 已提交
6096
	}
D
Dmitry Kravkov 已提交
6097
	/* end of fastpath */
E
Eilon Greenstein 已提交
6098

6099
#ifdef BCM_CNIC
D
Dmitry Kravkov 已提交
6100 6101 6102 6103 6104 6105
	if (CHIP_IS_E2(bp))
		BNX2X_PCI_ALLOC(bp->cnic_sb.e2_sb, &bp->cnic_sb_mapping,
				sizeof(struct host_hc_status_block_e2));
	else
		BNX2X_PCI_ALLOC(bp->cnic_sb.e1x_sb, &bp->cnic_sb_mapping,
				sizeof(struct host_hc_status_block_e1x));
E
Eilon Greenstein 已提交
6106

6107 6108 6109
	/* allocate searcher T2 table */
	BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, SRC_T2_SZ);
#endif
E
Eliezer Tamir 已提交
6110

E
Eilon Greenstein 已提交
6111

6112 6113
	BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
			sizeof(struct host_sp_status_block));
E
Eliezer Tamir 已提交
6114

6115 6116
	BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
			sizeof(struct bnx2x_slowpath));
E
Eliezer Tamir 已提交
6117

6118
	bp->context.size = sizeof(union cdu_context) * bp->l2_cid_count;
D
Dmitry Kravkov 已提交
6119

6120 6121
	BNX2X_PCI_ALLOC(bp->context.vcxt, &bp->context.cxt_mapping,
			bp->context.size);
6122

6123
	BNX2X_ALLOC(bp->ilt->lines, sizeof(struct ilt_line) * ILT_MAX_LINES);
6124

6125 6126
	if (bnx2x_ilt_mem_op(bp, ILT_MEMOP_ALLOC))
		goto alloc_mem_err;
6127

D
Dmitry Kravkov 已提交
6128 6129
	/* Slow path ring */
	BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
6130

6131 6132 6133
	/* EQ */
	BNX2X_PCI_ALLOC(bp->eq_ring, &bp->eq_mapping,
			BCM_PAGE_SIZE * NUM_EQ_PAGES);
D
Dmitry Kravkov 已提交
6134
	return 0;
E
Eilon Greenstein 已提交
6135

D
Dmitry Kravkov 已提交
6136 6137 6138
alloc_mem_err:
	bnx2x_free_mem(bp);
	return -ENOMEM;
E
Eilon Greenstein 已提交
6139

D
Dmitry Kravkov 已提交
6140 6141
#undef BNX2X_PCI_ALLOC
#undef BNX2X_ALLOC
6142 6143
}

E
Eliezer Tamir 已提交
6144 6145 6146
/*
 * Init service functions
 */
6147 6148 6149
static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
			     int *state_p, int flags);

6150
int bnx2x_func_start(struct bnx2x *bp)
E
Eliezer Tamir 已提交
6151
{
6152
	bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_FUNCTION_START, 0, 0, 0, 1);
E
Eliezer Tamir 已提交
6153

6154 6155 6156 6157
	/* Wait for completion */
	return bnx2x_wait_ramrod(bp, BNX2X_STATE_FUNC_STARTED, 0, &(bp->state),
				 WAIT_RAMROD_COMMON);
}
E
Eliezer Tamir 已提交
6158

6159
static int bnx2x_func_stop(struct bnx2x *bp)
6160 6161
{
	bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_FUNCTION_STOP, 0, 0, 0, 1);
E
Eliezer Tamir 已提交
6162

6163 6164 6165
	/* Wait for completion */
	return bnx2x_wait_ramrod(bp, BNX2X_STATE_CLOSING_WAIT4_UNLOAD,
				      0, &(bp->state), WAIT_RAMROD_COMMON);
E
Eliezer Tamir 已提交
6166 6167
}

6168
/**
D
Dmitry Kravkov 已提交
6169
 * Sets a MAC in a CAM for a few L2 Clients for E1x chips
6170 6171 6172 6173 6174 6175
 *
 * @param bp driver descriptor
 * @param set set or clear an entry (1 or 0)
 * @param mac pointer to a buffer containing a MAC
 * @param cl_bit_vec bit vector of clients to register a MAC for
 * @param cam_offset offset in a CAM to use
6176
 * @param is_bcast is the set MAC a broadcast address (for E1 only)
6177
 */
J
Joe Perches 已提交
6178
static void bnx2x_set_mac_addr_gen(struct bnx2x *bp, int set, const u8 *mac,
D
Dmitry Kravkov 已提交
6179 6180
				   u32 cl_bit_vec, u8 cam_offset,
				   u8 is_bcast)
6181
{
6182 6183 6184 6185 6186 6187 6188
	struct mac_configuration_cmd *config =
		(struct mac_configuration_cmd *)bnx2x_sp(bp, mac_config);
	int ramrod_flags = WAIT_RAMROD_COMMON;

	bp->set_mac_pending = 1;
	smp_wmb();

E
Eilon Greenstein 已提交
6189
	config->hdr.length = 1;
6190 6191
	config->hdr.offset = cam_offset;
	config->hdr.client_id = 0xff;
6192 6193 6194 6195
	config->hdr.reserved1 = 0;

	/* primary MAC */
	config->config_table[0].msb_mac_addr =
6196
					swab16(*(u16 *)&mac[0]);
6197
	config->config_table[0].middle_mac_addr =
6198
					swab16(*(u16 *)&mac[2]);
6199
	config->config_table[0].lsb_mac_addr =
6200
					swab16(*(u16 *)&mac[4]);
E
Eilon Greenstein 已提交
6201
	config->config_table[0].clients_bit_vector =
6202
					cpu_to_le32(cl_bit_vec);
6203
	config->config_table[0].vlan_id = 0;
6204
	config->config_table[0].pf_id = BP_FUNC(bp);
6205
	if (set)
6206 6207 6208
		SET_FLAG(config->config_table[0].flags,
			MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
			T_ETH_MAC_COMMAND_SET);
6209
	else
6210 6211 6212
		SET_FLAG(config->config_table[0].flags,
			MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
			T_ETH_MAC_COMMAND_INVALIDATE);
6213

6214 6215 6216 6217 6218
	if (is_bcast)
		SET_FLAG(config->config_table[0].flags,
			MAC_CONFIGURATION_ENTRY_BROADCAST, 1);

	DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x)  PF_ID %d  CLID mask %d\n",
6219
	   (set ? "setting" : "clearing"),
6220 6221
	   config->config_table[0].msb_mac_addr,
	   config->config_table[0].middle_mac_addr,
6222
	   config->config_table[0].lsb_mac_addr, BP_FUNC(bp), cl_bit_vec);
6223

6224
	bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
6225
		      U64_HI(bnx2x_sp_mapping(bp, mac_config)),
6226 6227 6228 6229
		      U64_LO(bnx2x_sp_mapping(bp, mac_config)), 1);

	/* Wait for a completion */
	bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending, ramrod_flags);
6230 6231
}

6232 6233
static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
			     int *state_p, int flags)
E
Eliezer Tamir 已提交
6234 6235
{
	/* can take a while if any port is running */
E
Eilon Greenstein 已提交
6236
	int cnt = 5000;
6237 6238
	u8 poll = flags & WAIT_RAMROD_POLL;
	u8 common = flags & WAIT_RAMROD_COMMON;
E
Eliezer Tamir 已提交
6239

E
Eliezer Tamir 已提交
6240 6241
	DP(NETIF_MSG_IFUP, "%s for state to become %x on IDX [%d]\n",
	   poll ? "polling" : "waiting", state, idx);
E
Eliezer Tamir 已提交
6242 6243

	might_sleep();
6244
	while (cnt--) {
E
Eliezer Tamir 已提交
6245
		if (poll) {
6246 6247 6248 6249 6250 6251 6252 6253 6254 6255 6256
			if (common)
				bnx2x_eq_int(bp);
			else {
				bnx2x_rx_int(bp->fp, 10);
				/* if index is different from 0
				 * the reply for some commands will
				 * be on the non default queue
				 */
				if (idx)
					bnx2x_rx_int(&bp->fp[idx], 10);
			}
E
Eliezer Tamir 已提交
6257 6258
		}

6259
		mb(); /* state is changed by bnx2x_sp_event() */
E
Eilon Greenstein 已提交
6260 6261 6262 6263
		if (*state_p == state) {
#ifdef BNX2X_STOP_ON_ERROR
			DP(NETIF_MSG_IFUP, "exit  (cnt %d)\n", 5000 - cnt);
#endif
E
Eliezer Tamir 已提交
6264
			return 0;
E
Eilon Greenstein 已提交
6265
		}
E
Eliezer Tamir 已提交
6266 6267

		msleep(1);
6268 6269 6270

		if (bp->panic)
			return -EIO;
E
Eliezer Tamir 已提交
6271 6272 6273
	}

	/* timeout! */
6274 6275
	BNX2X_ERR("timeout %s for state %x on IDX [%d]\n",
		  poll ? "polling" : "waiting", state, idx);
6276 6277 6278
#ifdef BNX2X_STOP_ON_ERROR
	bnx2x_panic();
#endif
E
Eliezer Tamir 已提交
6279

6280
	return -EBUSY;
E
Eliezer Tamir 已提交
6281 6282
}

6283
static u8 bnx2x_e1h_cam_offset(struct bnx2x *bp, u8 rel_offset)
6284
{
D
Dmitry Kravkov 已提交
6285 6286 6287 6288 6289 6290
	if (CHIP_IS_E1H(bp))
		return E1H_FUNC_MAX * rel_offset + BP_FUNC(bp);
	else if (CHIP_MODE_IS_4_PORT(bp))
		return BP_FUNC(bp) * 32  + rel_offset;
	else
		return BP_VN(bp) * 32  + rel_offset;
6291 6292
}

6293 6294 6295 6296 6297 6298 6299 6300 6301 6302 6303 6304 6305 6306 6307 6308 6309 6310 6311 6312 6313 6314 6315 6316 6317 6318 6319 6320 6321 6322 6323 6324 6325 6326 6327 6328 6329 6330 6331 6332 6333 6334 6335 6336 6337 6338 6339 6340 6341 6342 6343 6344 6345 6346 6347 6348 6349 6350 6351 6352 6353 6354 6355 6356
/**
 *  LLH CAM line allocations: currently only iSCSI and ETH macs are
 *  relevant. In addition, current implementation is tuned for a
 *  single ETH MAC.
 *
 *  When multiple unicast ETH MACs PF configuration in switch
 *  independent mode is required (NetQ, multiple netdev MACs,
 *  etc.), consider better utilisation of 16 per function MAC
 *  entries in the LLH memory.
 */
enum {
	LLH_CAM_ISCSI_ETH_LINE = 0,
	LLH_CAM_ETH_LINE,
	LLH_CAM_MAX_PF_LINE = NIG_REG_LLH1_FUNC_MEM_SIZE
};

static void bnx2x_set_mac_in_nig(struct bnx2x *bp,
			  int set,
			  unsigned char *dev_addr,
			  int index)
{
	u32 wb_data[2];
	u32 mem_offset, ena_offset, mem_index;
	/**
	 * indexes mapping:
	 * 0..7 - goes to MEM
	 * 8..15 - goes to MEM2
	 */

	if (!IS_MF_SI(bp) || index > LLH_CAM_MAX_PF_LINE)
		return;

	/* calculate memory start offset according to the mapping
	 * and index in the memory */
	if (index < NIG_LLH_FUNC_MEM_MAX_OFFSET) {
		mem_offset = BP_PORT(bp) ? NIG_REG_LLH1_FUNC_MEM :
					   NIG_REG_LLH0_FUNC_MEM;
		ena_offset = BP_PORT(bp) ? NIG_REG_LLH1_FUNC_MEM_ENABLE :
					   NIG_REG_LLH0_FUNC_MEM_ENABLE;
		mem_index = index;
	} else {
		mem_offset = BP_PORT(bp) ? NIG_REG_P1_LLH_FUNC_MEM2 :
					   NIG_REG_P0_LLH_FUNC_MEM2;
		ena_offset = BP_PORT(bp) ? NIG_REG_P1_LLH_FUNC_MEM2_ENABLE :
					   NIG_REG_P0_LLH_FUNC_MEM2_ENABLE;
		mem_index = index - NIG_LLH_FUNC_MEM_MAX_OFFSET;
	}

	if (set) {
		/* LLH_FUNC_MEM is a u64 WB register */
		mem_offset += 8*mem_index;

		wb_data[0] = ((dev_addr[2] << 24) | (dev_addr[3] << 16) |
			      (dev_addr[4] <<  8) |  dev_addr[5]);
		wb_data[1] = ((dev_addr[0] <<  8) |  dev_addr[1]);

		REG_WR_DMAE(bp, mem_offset, wb_data, 2);
	}

	/* enable/disable the entry */
	REG_WR(bp, ena_offset + 4*mem_index, set);

}

6357 6358 6359 6360
void bnx2x_set_eth_mac(struct bnx2x *bp, int set)
{
	u8 cam_offset = (CHIP_IS_E1(bp) ? (BP_PORT(bp) ? 32 : 0) :
			 bnx2x_e1h_cam_offset(bp, CAM_ETH_LINE));
6361

6362 6363 6364
	/* networking  MAC */
	bnx2x_set_mac_addr_gen(bp, set, bp->dev->dev_addr,
			       (1 << bp->fp->cl_id), cam_offset , 0);
6365

6366 6367
	bnx2x_set_mac_in_nig(bp, set, bp->dev->dev_addr, LLH_CAM_ETH_LINE);

6368 6369
	if (CHIP_IS_E1(bp)) {
		/* broadcast MAC */
J
Joe Perches 已提交
6370 6371 6372
		static const u8 bcast[ETH_ALEN] = {
			0xff, 0xff, 0xff, 0xff, 0xff, 0xff
		};
6373 6374
		bnx2x_set_mac_addr_gen(bp, set, bcast, 0, cam_offset + 1, 1);
	}
6375
}
6376 6377 6378 6379 6380 6381 6382 6383 6384 6385 6386 6387 6388 6389 6390 6391
static void bnx2x_set_e1_mc_list(struct bnx2x *bp, u8 offset)
{
	int i = 0, old;
	struct net_device *dev = bp->dev;
	struct netdev_hw_addr *ha;
	struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, mcast_config);
	dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, mcast_config);

	netdev_for_each_mc_addr(ha, dev) {
		/* copy mac */
		config_cmd->config_table[i].msb_mac_addr =
			swab16(*(u16 *)&bnx2x_mc_addr(ha)[0]);
		config_cmd->config_table[i].middle_mac_addr =
			swab16(*(u16 *)&bnx2x_mc_addr(ha)[2]);
		config_cmd->config_table[i].lsb_mac_addr =
			swab16(*(u16 *)&bnx2x_mc_addr(ha)[4]);
6392

6393 6394 6395 6396 6397 6398 6399 6400 6401 6402 6403 6404 6405 6406 6407 6408 6409 6410 6411 6412 6413 6414 6415 6416 6417 6418 6419 6420 6421 6422 6423 6424 6425 6426 6427 6428 6429 6430 6431 6432 6433 6434 6435
		config_cmd->config_table[i].vlan_id = 0;
		config_cmd->config_table[i].pf_id = BP_FUNC(bp);
		config_cmd->config_table[i].clients_bit_vector =
			cpu_to_le32(1 << BP_L_ID(bp));

		SET_FLAG(config_cmd->config_table[i].flags,
			MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
			T_ETH_MAC_COMMAND_SET);

		DP(NETIF_MSG_IFUP,
		   "setting MCAST[%d] (%04x:%04x:%04x)\n", i,
		   config_cmd->config_table[i].msb_mac_addr,
		   config_cmd->config_table[i].middle_mac_addr,
		   config_cmd->config_table[i].lsb_mac_addr);
		i++;
	}
	old = config_cmd->hdr.length;
	if (old > i) {
		for (; i < old; i++) {
			if (CAM_IS_INVALID(config_cmd->
					   config_table[i])) {
				/* already invalidated */
				break;
			}
			/* invalidate */
			SET_FLAG(config_cmd->config_table[i].flags,
				MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
				T_ETH_MAC_COMMAND_INVALIDATE);
		}
	}

	config_cmd->hdr.length = i;
	config_cmd->hdr.offset = offset;
	config_cmd->hdr.client_id = 0xff;
	config_cmd->hdr.reserved1 = 0;

	bp->set_mac_pending = 1;
	smp_wmb();

	bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
		   U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
}
static void bnx2x_invlidate_e1_mc_list(struct bnx2x *bp)
6436
{
6437 6438 6439 6440 6441 6442
	int i;
	struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, mcast_config);
	dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, mcast_config);
	int ramrod_flags = WAIT_RAMROD_COMMON;

	bp->set_mac_pending = 1;
6443 6444
	smp_wmb();

6445 6446 6447 6448 6449 6450 6451
	for (i = 0; i < config_cmd->hdr.length; i++)
		SET_FLAG(config_cmd->config_table[i].flags,
			MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
			T_ETH_MAC_COMMAND_INVALIDATE);

	bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
		      U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
6452 6453

	/* Wait for a completion */
6454 6455 6456
	bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending,
				ramrod_flags);

6457 6458
}

6459 6460 6461 6462 6463 6464 6465 6466 6467 6468 6469
#ifdef BCM_CNIC
/**
 * Set iSCSI MAC(s) at the next enties in the CAM after the ETH
 * MAC(s). This function will wait until the ramdord completion
 * returns.
 *
 * @param bp driver handle
 * @param set set or clear the CAM entry
 *
 * @return 0 if cussess, -ENODEV if ramrod doesn't return.
 */
6470
static int bnx2x_set_iscsi_eth_mac_addr(struct bnx2x *bp, int set)
6471
{
6472 6473
	u8 cam_offset = (CHIP_IS_E1(bp) ? ((BP_PORT(bp) ? 32 : 0) + 2) :
			 bnx2x_e1h_cam_offset(bp, CAM_ISCSI_ETH_LINE));
V
Vladislav Zolotarov 已提交
6474 6475
	u32 iscsi_l2_cl_id = BNX2X_ISCSI_ETH_CL_ID +
		BP_E1HVN(bp) * NONE_ETH_CONTEXT_USE;
6476
	u32 cl_bit_vec = (1 << iscsi_l2_cl_id);
6477 6478

	/* Send a SET_MAC ramrod */
6479 6480
	bnx2x_set_mac_addr_gen(bp, set, bp->iscsi_mac, cl_bit_vec,
			       cam_offset, 0);
6481 6482

	bnx2x_set_mac_in_nig(bp, set, bp->iscsi_mac, LLH_CAM_ISCSI_ETH_LINE);
V
Vladislav Zolotarov 已提交
6483 6484 6485 6486 6487 6488 6489 6490 6491 6492 6493 6494 6495 6496 6497 6498 6499 6500 6501 6502 6503 6504 6505 6506 6507 6508 6509 6510 6511 6512 6513 6514 6515 6516 6517 6518 6519 6520 6521 6522 6523 6524 6525 6526

	return 0;
}

/**
 * Set FCoE L2 MAC(s) at the next enties in the CAM after the
 * ETH MAC(s). This function will wait until the ramdord
 * completion returns.
 *
 * @param bp driver handle
 * @param set set or clear the CAM entry
 *
 * @return 0 if cussess, -ENODEV if ramrod doesn't return.
 */
int bnx2x_set_fip_eth_mac_addr(struct bnx2x *bp, int set)
{
	u32 cl_bit_vec = (1 << bnx2x_fcoe(bp, cl_id));
	/**
	 * CAM allocation for E1H
	 * eth unicasts: by func number
	 * iscsi: by func number
	 * fip unicast: by func number
	 * fip multicast: by func number
	 */
	bnx2x_set_mac_addr_gen(bp, set, bp->fip_mac,
		cl_bit_vec, bnx2x_e1h_cam_offset(bp, CAM_FIP_ETH_LINE), 0);

	return 0;
}

int bnx2x_set_all_enode_macs(struct bnx2x *bp, int set)
{
	u32 cl_bit_vec = (1 << bnx2x_fcoe(bp, cl_id));

	/**
	 * CAM allocation for E1H
	 * eth unicasts: by func number
	 * iscsi: by func number
	 * fip unicast: by func number
	 * fip multicast: by func number
	 */
	bnx2x_set_mac_addr_gen(bp, set, ALL_ENODE_MACS,	cl_bit_vec,
		bnx2x_e1h_cam_offset(bp, CAM_FIP_MCAST_LINE), 0);

6527 6528 6529 6530
	return 0;
}
#endif

6531 6532 6533 6534 6535 6536 6537 6538 6539 6540 6541 6542 6543
static void bnx2x_fill_cl_init_data(struct bnx2x *bp,
				    struct bnx2x_client_init_params *params,
				    u8 activate,
				    struct client_init_ramrod_data *data)
{
	/* Clear the buffer */
	memset(data, 0, sizeof(*data));

	/* general */
	data->general.client_id = params->rxq_params.cl_id;
	data->general.statistics_counter_id = params->rxq_params.stat_id;
	data->general.statistics_en_flg =
		(params->rxq_params.flags & QUEUE_FLG_STATS) ? 1 : 0;
V
Vladislav Zolotarov 已提交
6544 6545
	data->general.is_fcoe_flg =
		(params->ramrod_params.flags & CLIENT_IS_FCOE) ? 1 : 0;
6546 6547 6548 6549 6550 6551 6552 6553 6554 6555 6556 6557 6558 6559 6560 6561 6562 6563 6564 6565 6566 6567 6568 6569 6570 6571 6572 6573 6574 6575 6576 6577 6578 6579 6580 6581 6582 6583 6584 6585 6586 6587 6588 6589 6590 6591 6592 6593 6594 6595 6596 6597 6598 6599 6600 6601 6602 6603 6604 6605 6606 6607 6608 6609 6610 6611 6612 6613
	data->general.activate_flg = activate;
	data->general.sp_client_id = params->rxq_params.spcl_id;

	/* Rx data */
	data->rx.tpa_en_flg =
		(params->rxq_params.flags & QUEUE_FLG_TPA) ? 1 : 0;
	data->rx.vmqueue_mode_en_flg = 0;
	data->rx.cache_line_alignment_log_size =
		params->rxq_params.cache_line_log;
	data->rx.enable_dynamic_hc =
		(params->rxq_params.flags & QUEUE_FLG_DHC) ? 1 : 0;
	data->rx.max_sges_for_packet = params->rxq_params.max_sges_pkt;
	data->rx.client_qzone_id = params->rxq_params.cl_qzone_id;
	data->rx.max_agg_size = params->rxq_params.tpa_agg_sz;

	/* We don't set drop flags */
	data->rx.drop_ip_cs_err_flg = 0;
	data->rx.drop_tcp_cs_err_flg = 0;
	data->rx.drop_ttl0_flg = 0;
	data->rx.drop_udp_cs_err_flg = 0;

	data->rx.inner_vlan_removal_enable_flg =
		(params->rxq_params.flags & QUEUE_FLG_VLAN) ? 1 : 0;
	data->rx.outer_vlan_removal_enable_flg =
		(params->rxq_params.flags & QUEUE_FLG_OV) ? 1 : 0;
	data->rx.status_block_id = params->rxq_params.fw_sb_id;
	data->rx.rx_sb_index_number = params->rxq_params.sb_cq_index;
	data->rx.bd_buff_size = cpu_to_le16(params->rxq_params.buf_sz);
	data->rx.sge_buff_size = cpu_to_le16(params->rxq_params.sge_buf_sz);
	data->rx.mtu = cpu_to_le16(params->rxq_params.mtu);
	data->rx.bd_page_base.lo =
		cpu_to_le32(U64_LO(params->rxq_params.dscr_map));
	data->rx.bd_page_base.hi =
		cpu_to_le32(U64_HI(params->rxq_params.dscr_map));
	data->rx.sge_page_base.lo =
		cpu_to_le32(U64_LO(params->rxq_params.sge_map));
	data->rx.sge_page_base.hi =
		cpu_to_le32(U64_HI(params->rxq_params.sge_map));
	data->rx.cqe_page_base.lo =
		cpu_to_le32(U64_LO(params->rxq_params.rcq_map));
	data->rx.cqe_page_base.hi =
		cpu_to_le32(U64_HI(params->rxq_params.rcq_map));
	data->rx.is_leading_rss =
		(params->ramrod_params.flags & CLIENT_IS_LEADING_RSS) ? 1 : 0;
	data->rx.is_approx_mcast = data->rx.is_leading_rss;

	/* Tx data */
	data->tx.enforce_security_flg = 0; /* VF specific */
	data->tx.tx_status_block_id = params->txq_params.fw_sb_id;
	data->tx.tx_sb_index_number = params->txq_params.sb_cq_index;
	data->tx.mtu = 0; /* VF specific */
	data->tx.tx_bd_page_base.lo =
		cpu_to_le32(U64_LO(params->txq_params.dscr_map));
	data->tx.tx_bd_page_base.hi =
		cpu_to_le32(U64_HI(params->txq_params.dscr_map));

	/* flow control data */
	data->fc.cqe_pause_thr_low = cpu_to_le16(params->pause.rcq_th_lo);
	data->fc.cqe_pause_thr_high = cpu_to_le16(params->pause.rcq_th_hi);
	data->fc.bd_pause_thr_low = cpu_to_le16(params->pause.bd_th_lo);
	data->fc.bd_pause_thr_high = cpu_to_le16(params->pause.bd_th_hi);
	data->fc.sge_pause_thr_low = cpu_to_le16(params->pause.sge_th_lo);
	data->fc.sge_pause_thr_high = cpu_to_le16(params->pause.sge_th_hi);
	data->fc.rx_cos_mask = cpu_to_le16(params->pause.pri_map);

	data->fc.safc_group_num = params->txq_params.cos;
	data->fc.safc_group_en_flg =
		(params->txq_params.flags & QUEUE_FLG_COS) ? 1 : 0;
V
Vladislav Zolotarov 已提交
6614 6615 6616
	data->fc.traffic_type =
		(params->ramrod_params.flags & CLIENT_IS_FCOE) ?
		LLFC_TRAFFIC_TYPE_FCOE : LLFC_TRAFFIC_TYPE_NW;
6617 6618 6619 6620 6621 6622 6623 6624 6625 6626 6627 6628 6629 6630
}

static inline void bnx2x_set_ctx_validation(struct eth_context *cxt, u32 cid)
{
	/* ustorm cxt validation */
	cxt->ustorm_ag_context.cdu_usage =
		CDU_RSRVD_VALUE_TYPE_A(cid, CDU_REGION_NUMBER_UCM_AG,
				       ETH_CONNECTION_TYPE);
	/* xcontext validation */
	cxt->xstorm_ag_context.cdu_reserved =
		CDU_RSRVD_VALUE_TYPE_A(cid, CDU_REGION_NUMBER_XCM_AG,
				       ETH_CONNECTION_TYPE);
}

6631 6632 6633 6634 6635
static int bnx2x_setup_fw_client(struct bnx2x *bp,
				 struct bnx2x_client_init_params *params,
				 u8 activate,
				 struct client_init_ramrod_data *data,
				 dma_addr_t data_mapping)
6636 6637 6638 6639 6640 6641 6642 6643 6644 6645 6646 6647 6648 6649 6650 6651 6652 6653 6654 6655 6656 6657 6658 6659 6660 6661 6662 6663 6664 6665 6666 6667 6668 6669 6670 6671 6672 6673 6674 6675 6676 6677 6678 6679 6680 6681 6682 6683 6684
{
	u16 hc_usec;
	int ramrod = RAMROD_CMD_ID_ETH_CLIENT_SETUP;
	int ramrod_flags = 0, rc;

	/* HC and context validation values */
	hc_usec = params->txq_params.hc_rate ?
		1000000 / params->txq_params.hc_rate : 0;
	bnx2x_update_coalesce_sb_index(bp,
			params->txq_params.fw_sb_id,
			params->txq_params.sb_cq_index,
			!(params->txq_params.flags & QUEUE_FLG_HC),
			hc_usec);

	*(params->ramrod_params.pstate) = BNX2X_FP_STATE_OPENING;

	hc_usec = params->rxq_params.hc_rate ?
		1000000 / params->rxq_params.hc_rate : 0;
	bnx2x_update_coalesce_sb_index(bp,
			params->rxq_params.fw_sb_id,
			params->rxq_params.sb_cq_index,
			!(params->rxq_params.flags & QUEUE_FLG_HC),
			hc_usec);

	bnx2x_set_ctx_validation(params->rxq_params.cxt,
				 params->rxq_params.cid);

	/* zero stats */
	if (params->txq_params.flags & QUEUE_FLG_STATS)
		storm_memset_xstats_zero(bp, BP_PORT(bp),
					 params->txq_params.stat_id);

	if (params->rxq_params.flags & QUEUE_FLG_STATS) {
		storm_memset_ustats_zero(bp, BP_PORT(bp),
					 params->rxq_params.stat_id);
		storm_memset_tstats_zero(bp, BP_PORT(bp),
					 params->rxq_params.stat_id);
	}

	/* Fill the ramrod data */
	bnx2x_fill_cl_init_data(bp, params, activate, data);

	/* SETUP ramrod.
	 *
	 * bnx2x_sp_post() takes a spin_lock thus no other explict memory
	 * barrier except from mmiowb() is needed to impose a
	 * proper ordering of memory operations.
	 */
	mmiowb();
E
Eliezer Tamir 已提交
6685 6686


6687 6688
	bnx2x_sp_post(bp, ramrod, params->ramrod_params.cid,
		      U64_HI(data_mapping), U64_LO(data_mapping), 0);
E
Eliezer Tamir 已提交
6689

6690
	/* Wait for completion */
6691 6692 6693 6694
	rc = bnx2x_wait_ramrod(bp, params->ramrod_params.state,
				 params->ramrod_params.index,
				 params->ramrod_params.pstate,
				 ramrod_flags);
6695
	return rc;
E
Eliezer Tamir 已提交
6696 6697
}

6698 6699 6700 6701 6702 6703 6704 6705 6706
/**
 * Configure interrupt mode according to current configuration.
 * In case of MSI-X it will also try to enable MSI-X.
 *
 * @param bp
 *
 * @return int
 */
static int __devinit bnx2x_set_int_mode(struct bnx2x *bp)
E
Eilon Greenstein 已提交
6707
{
6708
	int rc = 0;
E
Eilon Greenstein 已提交
6709

6710 6711 6712 6713 6714
	switch (bp->int_mode) {
	case INT_MODE_MSI:
		bnx2x_enable_msi(bp);
		/* falling through... */
	case INT_MODE_INTx:
V
Vladislav Zolotarov 已提交
6715
		bp->num_queues = 1 + NONE_ETH_CONTEXT_USE;
6716
		DP(NETIF_MSG_IFUP, "set number of queues to 1\n");
E
Eilon Greenstein 已提交
6717
		break;
6718 6719 6720
	default:
		/* Set number of queues according to bp->multi_mode value */
		bnx2x_set_num_queues(bp);
E
Eilon Greenstein 已提交
6721

6722 6723
		DP(NETIF_MSG_IFUP, "set number of queues to %d\n",
		   bp->num_queues);
E
Eilon Greenstein 已提交
6724

6725 6726 6727 6728 6729 6730 6731 6732 6733 6734 6735 6736 6737
		/* if we can't use MSI-X we only need one fp,
		 * so try to enable MSI-X with the requested number of fp's
		 * and fallback to MSI or legacy INTx with one fp
		 */
		rc = bnx2x_enable_msix(bp);
		if (rc) {
			/* failed to enable MSI-X */
			if (bp->multi_mode)
				DP(NETIF_MSG_IFUP,
					  "Multi requested but failed to "
					  "enable MSI-X (%d), "
					  "set number of queues to %d\n",
				   bp->num_queues,
V
Vladislav Zolotarov 已提交
6738 6739
				   1 + NONE_ETH_CONTEXT_USE);
			bp->num_queues = 1 + NONE_ETH_CONTEXT_USE;
6740 6741 6742 6743

			if (!(bp->flags & DISABLE_MSI_FLAG))
				bnx2x_enable_msi(bp);
		}
E
Eilon Greenstein 已提交
6744

D
Dmitry Kravkov 已提交
6745 6746
		break;
	}
6747 6748

	return rc;
E
Eliezer Tamir 已提交
6749 6750
}

6751 6752 6753 6754 6755 6756
/* must be called prioir to any HW initializations */
static inline u16 bnx2x_cid_ilt_lines(struct bnx2x *bp)
{
	return L2_ILT_LINES(bp);
}

6757 6758 6759 6760 6761 6762 6763 6764 6765 6766 6767 6768 6769 6770 6771 6772 6773 6774 6775 6776 6777 6778 6779 6780 6781 6782 6783 6784 6785 6786 6787 6788 6789 6790 6791 6792 6793 6794 6795 6796 6797 6798 6799 6800 6801 6802 6803 6804 6805 6806 6807 6808 6809 6810 6811 6812 6813 6814 6815 6816 6817 6818 6819 6820 6821 6822 6823 6824 6825 6826 6827 6828 6829
void bnx2x_ilt_set_info(struct bnx2x *bp)
{
	struct ilt_client_info *ilt_client;
	struct bnx2x_ilt *ilt = BP_ILT(bp);
	u16 line = 0;

	ilt->start_line = FUNC_ILT_BASE(BP_FUNC(bp));
	DP(BNX2X_MSG_SP, "ilt starts at line %d\n", ilt->start_line);

	/* CDU */
	ilt_client = &ilt->clients[ILT_CLIENT_CDU];
	ilt_client->client_num = ILT_CLIENT_CDU;
	ilt_client->page_size = CDU_ILT_PAGE_SZ;
	ilt_client->flags = ILT_CLIENT_SKIP_MEM;
	ilt_client->start = line;
	line += L2_ILT_LINES(bp);
#ifdef BCM_CNIC
	line += CNIC_ILT_LINES;
#endif
	ilt_client->end = line - 1;

	DP(BNX2X_MSG_SP, "ilt client[CDU]: start %d, end %d, psz 0x%x, "
					 "flags 0x%x, hw psz %d\n",
	   ilt_client->start,
	   ilt_client->end,
	   ilt_client->page_size,
	   ilt_client->flags,
	   ilog2(ilt_client->page_size >> 12));

	/* QM */
	if (QM_INIT(bp->qm_cid_count)) {
		ilt_client = &ilt->clients[ILT_CLIENT_QM];
		ilt_client->client_num = ILT_CLIENT_QM;
		ilt_client->page_size = QM_ILT_PAGE_SZ;
		ilt_client->flags = 0;
		ilt_client->start = line;

		/* 4 bytes for each cid */
		line += DIV_ROUND_UP(bp->qm_cid_count * QM_QUEUES_PER_FUNC * 4,
							 QM_ILT_PAGE_SZ);

		ilt_client->end = line - 1;

		DP(BNX2X_MSG_SP, "ilt client[QM]: start %d, end %d, psz 0x%x, "
						 "flags 0x%x, hw psz %d\n",
		   ilt_client->start,
		   ilt_client->end,
		   ilt_client->page_size,
		   ilt_client->flags,
		   ilog2(ilt_client->page_size >> 12));

	}
	/* SRC */
	ilt_client = &ilt->clients[ILT_CLIENT_SRC];
#ifdef BCM_CNIC
	ilt_client->client_num = ILT_CLIENT_SRC;
	ilt_client->page_size = SRC_ILT_PAGE_SZ;
	ilt_client->flags = 0;
	ilt_client->start = line;
	line += SRC_ILT_LINES;
	ilt_client->end = line - 1;

	DP(BNX2X_MSG_SP, "ilt client[SRC]: start %d, end %d, psz 0x%x, "
					 "flags 0x%x, hw psz %d\n",
	   ilt_client->start,
	   ilt_client->end,
	   ilt_client->page_size,
	   ilt_client->flags,
	   ilog2(ilt_client->page_size >> 12));

#else
	ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
#endif
D
Dmitry Kravkov 已提交
6830

6831 6832 6833 6834 6835 6836 6837 6838 6839 6840 6841 6842 6843 6844 6845 6846 6847
	/* TM */
	ilt_client = &ilt->clients[ILT_CLIENT_TM];
#ifdef BCM_CNIC
	ilt_client->client_num = ILT_CLIENT_TM;
	ilt_client->page_size = TM_ILT_PAGE_SZ;
	ilt_client->flags = 0;
	ilt_client->start = line;
	line += TM_ILT_LINES;
	ilt_client->end = line - 1;

	DP(BNX2X_MSG_SP, "ilt client[TM]: start %d, end %d, psz 0x%x, "
					 "flags 0x%x, hw psz %d\n",
	   ilt_client->start,
	   ilt_client->end,
	   ilt_client->page_size,
	   ilt_client->flags,
	   ilog2(ilt_client->page_size >> 12));
D
Dmitry Kravkov 已提交
6848

6849 6850 6851 6852
#else
	ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
#endif
}
D
Dmitry Kravkov 已提交
6853

6854 6855
int bnx2x_setup_client(struct bnx2x *bp, struct bnx2x_fastpath *fp,
		       int is_leading)
E
Eliezer Tamir 已提交
6856
{
6857
	struct bnx2x_client_init_params params = { {0} };
E
Eliezer Tamir 已提交
6858 6859
	int rc;

V
Vladislav Zolotarov 已提交
6860 6861 6862
	/* reset IGU state skip FCoE L2 queue */
	if (!IS_FCOE_FP(fp))
		bnx2x_ack_sb(bp, fp->igu_sb_id, USTORM_ID, 0,
6863
			     IGU_INT_ENABLE, 0);
E
Eliezer Tamir 已提交
6864

6865 6866 6867 6868
	params.ramrod_params.pstate = &fp->state;
	params.ramrod_params.state = BNX2X_FP_STATE_OPEN;
	params.ramrod_params.index = fp->index;
	params.ramrod_params.cid = fp->cid;
E
Eliezer Tamir 已提交
6869

V
Vladislav Zolotarov 已提交
6870 6871 6872 6873 6874 6875
#ifdef BCM_CNIC
	if (IS_FCOE_FP(fp))
		params.ramrod_params.flags |= CLIENT_IS_FCOE;

#endif

6876 6877
	if (is_leading)
		params.ramrod_params.flags |= CLIENT_IS_LEADING_RSS;
E
Eliezer Tamir 已提交
6878

6879 6880 6881 6882 6883 6884 6885
	bnx2x_pf_rx_cl_prep(bp, fp, &params.pause, &params.rxq_params);

	bnx2x_pf_tx_cl_prep(bp, fp, &params.txq_params);

	rc = bnx2x_setup_fw_client(bp, &params, 1,
				     bnx2x_sp(bp, client_init_data),
				     bnx2x_sp_mapping(bp, client_init_data));
6886
	return rc;
E
Eliezer Tamir 已提交
6887 6888
}

6889 6890
static int bnx2x_stop_fw_client(struct bnx2x *bp,
				struct bnx2x_client_ramrod_params *p)
E
Eliezer Tamir 已提交
6891
{
6892
	int rc;
E
Eliezer Tamir 已提交
6893

6894
	int poll_flag = p->poll ? WAIT_RAMROD_POLL : 0;
E
Eliezer Tamir 已提交
6895

6896 6897 6898 6899
	/* halt the connection */
	*p->pstate = BNX2X_FP_STATE_HALTING;
	bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, p->cid, 0,
						  p->cl_id, 0);
E
Eliezer Tamir 已提交
6900

6901
	/* Wait for completion */
6902 6903
	rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, p->index,
			       p->pstate, poll_flag);
6904
	if (rc) /* timeout */
6905
		return rc;
E
Eliezer Tamir 已提交
6906

6907 6908 6909 6910 6911 6912 6913 6914
	*p->pstate = BNX2X_FP_STATE_TERMINATING;
	bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_TERMINATE, p->cid, 0,
						       p->cl_id, 0);
	/* Wait for completion */
	rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_TERMINATED, p->index,
			       p->pstate, poll_flag);
	if (rc) /* timeout */
		return rc;
E
Eliezer Tamir 已提交
6915 6916


6917 6918
	/* delete cfc entry */
	bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_CFC_DEL, p->cid, 0, 0, 1);
6919

6920 6921 6922
	/* Wait for completion */
	rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_CLOSED, p->index,
			       p->pstate, WAIT_RAMROD_COMMON);
6923
	return rc;
E
Eliezer Tamir 已提交
6924 6925
}

6926 6927 6928 6929 6930 6931 6932 6933 6934 6935 6936 6937 6938 6939 6940
static int bnx2x_stop_client(struct bnx2x *bp, int index)
{
	struct bnx2x_client_ramrod_params client_stop = {0};
	struct bnx2x_fastpath *fp = &bp->fp[index];

	client_stop.index = index;
	client_stop.cid = fp->cid;
	client_stop.cl_id = fp->cl_id;
	client_stop.pstate = &(fp->state);
	client_stop.poll = 0;

	return bnx2x_stop_fw_client(bp, &client_stop);
}


6941 6942 6943 6944
static void bnx2x_reset_func(struct bnx2x *bp)
{
	int port = BP_PORT(bp);
	int func = BP_FUNC(bp);
D
Dmitry Kravkov 已提交
6945
	int i;
6946
	int pfunc_offset_fp = offsetof(struct hc_sb_data, p_func) +
D
Dmitry Kravkov 已提交
6947 6948 6949
			(CHIP_IS_E2(bp) ?
			 offsetof(struct hc_status_block_data_e2, common) :
			 offsetof(struct hc_status_block_data_e1x, common));
6950 6951 6952 6953 6954 6955 6956 6957 6958 6959
	int pfunc_offset_sp = offsetof(struct hc_sp_status_block_data, p_func);
	int pfid_offset = offsetof(struct pci_entity, pf_id);

	/* Disable the function in the FW */
	REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(func), 0);
	REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(func), 0);
	REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(func), 0);
	REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(func), 0);

	/* FP SBs */
V
Vladislav Zolotarov 已提交
6960
	for_each_eth_queue(bp, i) {
6961 6962 6963 6964 6965 6966 6967 6968 6969 6970 6971 6972 6973 6974 6975 6976 6977 6978 6979
		struct bnx2x_fastpath *fp = &bp->fp[i];
		REG_WR8(bp,
			BAR_CSTRORM_INTMEM +
			CSTORM_STATUS_BLOCK_DATA_OFFSET(fp->fw_sb_id)
			+ pfunc_offset_fp + pfid_offset,
			HC_FUNCTION_DISABLED);
	}

	/* SP SB */
	REG_WR8(bp,
		BAR_CSTRORM_INTMEM +
		CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
		pfunc_offset_sp + pfid_offset,
		HC_FUNCTION_DISABLED);


	for (i = 0; i < XSTORM_SPQ_DATA_SIZE / 4; i++)
		REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_DATA_OFFSET(func),
		       0);
6980 6981

	/* Configure IGU */
D
Dmitry Kravkov 已提交
6982 6983 6984 6985 6986 6987 6988
	if (bp->common.int_block == INT_BLOCK_HC) {
		REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
		REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
	} else {
		REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
		REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
	}
6989

6990 6991 6992 6993 6994 6995 6996 6997 6998 6999 7000 7001 7002
#ifdef BCM_CNIC
	/* Disable Timer scan */
	REG_WR(bp, TM_REG_EN_LINEAR0_TIMER + port*4, 0);
	/*
	 * Wait for at least 10ms and up to 2 second for the timers scan to
	 * complete
	 */
	for (i = 0; i < 200; i++) {
		msleep(10);
		if (!REG_RD(bp, TM_REG_LIN0_SCAN_ON + port*4))
			break;
	}
#endif
7003
	/* Clear ILT */
D
Dmitry Kravkov 已提交
7004 7005 7006 7007 7008 7009 7010 7011 7012 7013 7014 7015 7016 7017 7018 7019 7020 7021 7022
	bnx2x_clear_func_ilt(bp, func);

	/* Timers workaround bug for E2: if this is vnic-3,
	 * we need to set the entire ilt range for this timers.
	 */
	if (CHIP_IS_E2(bp) && BP_VN(bp) == 3) {
		struct ilt_client_info ilt_cli;
		/* use dummy TM client */
		memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
		ilt_cli.start = 0;
		ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
		ilt_cli.client_num = ILT_CLIENT_TM;

		bnx2x_ilt_boundry_init_op(bp, &ilt_cli, 0, INITOP_CLEAR);
	}

	/* this assumes that reset_port() called before reset_func()*/
	if (CHIP_IS_E2(bp))
		bnx2x_pf_disable(bp);
7023 7024

	bp->dmae_ready = 0;
7025 7026 7027 7028 7029 7030 7031 7032 7033 7034 7035 7036 7037 7038 7039 7040 7041 7042 7043 7044 7045 7046 7047
}

static void bnx2x_reset_port(struct bnx2x *bp)
{
	int port = BP_PORT(bp);
	u32 val;

	REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);

	/* Do not rcv packets to BRB */
	REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
	/* Do not direct rcv packets that are not for MCP to the BRB */
	REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
			   NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);

	/* Configure AEU */
	REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);

	msleep(100);
	/* Check for BRB port occupancy */
	val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
	if (val)
		DP(NETIF_MSG_IFDOWN,
E
Eilon Greenstein 已提交
7048
		   "BRB1 is not empty  %d blocks are occupied\n", val);
7049 7050 7051 7052 7053 7054 7055

	/* TODO: Close Doorbell port? */
}

static void bnx2x_reset_chip(struct bnx2x *bp, u32 reset_code)
{
	DP(BNX2X_MSG_MCP, "function %d  reset_code %x\n",
D
Dmitry Kravkov 已提交
7056
	   BP_ABS_FUNC(bp), reset_code);
7057 7058 7059 7060 7061 7062 7063 7064 7065 7066 7067 7068 7069 7070 7071 7072

	switch (reset_code) {
	case FW_MSG_CODE_DRV_UNLOAD_COMMON:
		bnx2x_reset_port(bp);
		bnx2x_reset_func(bp);
		bnx2x_reset_common(bp);
		break;

	case FW_MSG_CODE_DRV_UNLOAD_PORT:
		bnx2x_reset_port(bp);
		bnx2x_reset_func(bp);
		break;

	case FW_MSG_CODE_DRV_UNLOAD_FUNCTION:
		bnx2x_reset_func(bp);
		break;
7073

7074 7075 7076 7077 7078 7079
	default:
		BNX2X_ERR("Unknown reset_code (0x%x) from MCP\n", reset_code);
		break;
	}
}

V
Vladislav Zolotarov 已提交
7080 7081 7082 7083 7084 7085 7086 7087 7088 7089 7090 7091 7092 7093
#ifdef BCM_CNIC
static inline void bnx2x_del_fcoe_eth_macs(struct bnx2x *bp)
{
	if (bp->flags & FCOE_MACS_SET) {
		if (!IS_MF_SD(bp))
			bnx2x_set_fip_eth_mac_addr(bp, 0);

		bnx2x_set_all_enode_macs(bp, 0);

		bp->flags &= ~FCOE_MACS_SET;
	}
}
#endif

D
Dmitry Kravkov 已提交
7094
void bnx2x_chip_cleanup(struct bnx2x *bp, int unload_mode)
E
Eliezer Tamir 已提交
7095
{
7096
	int port = BP_PORT(bp);
E
Eliezer Tamir 已提交
7097
	u32 reset_code = 0;
7098
	int i, cnt, rc;
E
Eliezer Tamir 已提交
7099

E
Eilon Greenstein 已提交
7100
	/* Wait until tx fastpath tasks complete */
V
Vladislav Zolotarov 已提交
7101
	for_each_tx_queue(bp, i) {
7102 7103
		struct bnx2x_fastpath *fp = &bp->fp[i];

7104
		cnt = 1000;
7105
		while (bnx2x_has_tx_work_unload(fp)) {
7106

7107 7108 7109 7110 7111 7112 7113 7114 7115 7116 7117
			if (!cnt) {
				BNX2X_ERR("timeout waiting for queue[%d]\n",
					  i);
#ifdef BNX2X_STOP_ON_ERROR
				bnx2x_panic();
				return -EBUSY;
#else
				break;
#endif
			}
			cnt--;
7118
			msleep(1);
7119
		}
7120
	}
7121 7122
	/* Give HW time to discard old tx messages */
	msleep(1);
E
Eliezer Tamir 已提交
7123

7124
	if (CHIP_IS_E1(bp)) {
7125 7126 7127 7128 7129
		/* invalidate mc list,
		 * wait and poll (interrupts are off)
		 */
		bnx2x_invlidate_e1_mc_list(bp);
		bnx2x_set_eth_mac(bp, 0);
7130

7131
	} else {
7132 7133
		REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);

7134
		bnx2x_set_eth_mac(bp, 0);
7135 7136 7137 7138

		for (i = 0; i < MC_HASH_SIZE; i++)
			REG_WR(bp, MC_HASH_OFFSET(bp, i), 0);
	}
7139

7140
#ifdef BCM_CNIC
V
Vladislav Zolotarov 已提交
7141
	bnx2x_del_fcoe_eth_macs(bp);
7142
#endif
7143

7144 7145 7146
	if (unload_mode == UNLOAD_NORMAL)
		reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;

7147
	else if (bp->flags & NO_WOL_FLAG)
7148 7149
		reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;

7150
	else if (bp->wol) {
7151 7152 7153 7154 7155 7156 7157 7158 7159 7160 7161 7162 7163 7164 7165 7166 7167 7168
		u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
		u8 *mac_addr = bp->dev->dev_addr;
		u32 val;
		/* The mac address is written to entries 1-4 to
		   preserve entry 0 which is used by the PMF */
		u8 entry = (BP_E1HVN(bp) + 1)*8;

		val = (mac_addr[0] << 8) | mac_addr[1];
		EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val);

		val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
		      (mac_addr[4] << 8) | mac_addr[5];
		EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);

		reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;

	} else
		reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
7169

7170 7171
	/* Close multi and leading connections
	   Completions for ramrods are collected in a synchronous way */
7172 7173 7174 7175 7176 7177
	for_each_queue(bp, i)

		if (bnx2x_stop_client(bp, i))
#ifdef BNX2X_STOP_ON_ERROR
			return;
#else
7178
			goto unload_error;
7179
#endif
E
Eliezer Tamir 已提交
7180

7181
	rc = bnx2x_func_stop(bp);
7182
	if (rc) {
7183
		BNX2X_ERR("Function stop failed!\n");
7184
#ifdef BNX2X_STOP_ON_ERROR
7185
		return;
7186 7187
#else
		goto unload_error;
7188
#endif
7189
	}
7190
#ifndef BNX2X_STOP_ON_ERROR
7191
unload_error:
7192
#endif
7193
	if (!BP_NOMCP(bp))
Y
Yaniv Rosner 已提交
7194
		reset_code = bnx2x_fw_command(bp, reset_code, 0);
7195
	else {
D
Dmitry Kravkov 已提交
7196 7197 7198 7199 7200 7201 7202 7203 7204 7205 7206 7207
		DP(NETIF_MSG_IFDOWN, "NO MCP - load counts[%d]      "
				     "%d, %d, %d\n", BP_PATH(bp),
		   load_count[BP_PATH(bp)][0],
		   load_count[BP_PATH(bp)][1],
		   load_count[BP_PATH(bp)][2]);
		load_count[BP_PATH(bp)][0]--;
		load_count[BP_PATH(bp)][1 + port]--;
		DP(NETIF_MSG_IFDOWN, "NO MCP - new load counts[%d]  "
				     "%d, %d, %d\n", BP_PATH(bp),
		   load_count[BP_PATH(bp)][0], load_count[BP_PATH(bp)][1],
		   load_count[BP_PATH(bp)][2]);
		if (load_count[BP_PATH(bp)][0] == 0)
7208
			reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
D
Dmitry Kravkov 已提交
7209
		else if (load_count[BP_PATH(bp)][1 + port] == 0)
7210 7211 7212 7213
			reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
		else
			reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
	}
E
Eliezer Tamir 已提交
7214

7215 7216 7217
	if ((reset_code == FW_MSG_CODE_DRV_UNLOAD_COMMON) ||
	    (reset_code == FW_MSG_CODE_DRV_UNLOAD_PORT))
		bnx2x__link_reset(bp);
E
Eliezer Tamir 已提交
7218

7219 7220 7221 7222
	/* Disable HW interrupts, NAPI */
	bnx2x_netif_stop(bp, 1);

	/* Release IRQs */
7223
	bnx2x_free_irq(bp);
7224

E
Eliezer Tamir 已提交
7225
	/* Reset the chip */
7226
	bnx2x_reset_chip(bp, reset_code);
E
Eliezer Tamir 已提交
7227 7228

	/* Report UNLOAD_DONE to MCP */
7229
	if (!BP_NOMCP(bp))
Y
Yaniv Rosner 已提交
7230
		bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
E
Eilon Greenstein 已提交
7231

7232 7233
}

D
Dmitry Kravkov 已提交
7234
void bnx2x_disable_close_the_gate(struct bnx2x *bp)
7235 7236 7237 7238 7239 7240 7241 7242 7243 7244 7245 7246 7247 7248 7249 7250 7251 7252 7253 7254 7255 7256 7257 7258 7259 7260 7261 7262 7263 7264 7265 7266 7267 7268 7269 7270 7271 7272 7273 7274 7275 7276 7277 7278 7279 7280 7281 7282 7283 7284 7285 7286 7287 7288 7289 7290 7291 7292 7293 7294 7295 7296 7297 7298 7299 7300 7301 7302 7303 7304 7305
{
	u32 val;

	DP(NETIF_MSG_HW, "Disabling \"close the gates\"\n");

	if (CHIP_IS_E1(bp)) {
		int port = BP_PORT(bp);
		u32 addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
			MISC_REG_AEU_MASK_ATTN_FUNC_0;

		val = REG_RD(bp, addr);
		val &= ~(0x300);
		REG_WR(bp, addr, val);
	} else if (CHIP_IS_E1H(bp)) {
		val = REG_RD(bp, MISC_REG_AEU_GENERAL_MASK);
		val &= ~(MISC_AEU_GENERAL_MASK_REG_AEU_PXP_CLOSE_MASK |
			 MISC_AEU_GENERAL_MASK_REG_AEU_NIG_CLOSE_MASK);
		REG_WR(bp, MISC_REG_AEU_GENERAL_MASK, val);
	}
}

/* Close gates #2, #3 and #4: */
static void bnx2x_set_234_gates(struct bnx2x *bp, bool close)
{
	u32 val, addr;

	/* Gates #2 and #4a are closed/opened for "not E1" only */
	if (!CHIP_IS_E1(bp)) {
		/* #4 */
		val = REG_RD(bp, PXP_REG_HST_DISCARD_DOORBELLS);
		REG_WR(bp, PXP_REG_HST_DISCARD_DOORBELLS,
		       close ? (val | 0x1) : (val & (~(u32)1)));
		/* #2 */
		val = REG_RD(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES);
		REG_WR(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES,
		       close ? (val | 0x1) : (val & (~(u32)1)));
	}

	/* #3 */
	addr = BP_PORT(bp) ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
	val = REG_RD(bp, addr);
	REG_WR(bp, addr, (!close) ? (val | 0x1) : (val & (~(u32)1)));

	DP(NETIF_MSG_HW, "%s gates #2, #3 and #4\n",
		close ? "closing" : "opening");
	mmiowb();
}

#define SHARED_MF_CLP_MAGIC  0x80000000 /* `magic' bit */

static void bnx2x_clp_reset_prep(struct bnx2x *bp, u32 *magic_val)
{
	/* Do some magic... */
	u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
	*magic_val = val & SHARED_MF_CLP_MAGIC;
	MF_CFG_WR(bp, shared_mf_config.clp_mb, val | SHARED_MF_CLP_MAGIC);
}

/* Restore the value of the `magic' bit.
 *
 * @param pdev Device handle.
 * @param magic_val Old value of the `magic' bit.
 */
static void bnx2x_clp_reset_done(struct bnx2x *bp, u32 magic_val)
{
	/* Restore the `magic' bit value... */
	u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
	MF_CFG_WR(bp, shared_mf_config.clp_mb,
		(val & (~SHARED_MF_CLP_MAGIC)) | magic_val);
}

D
Dmitry Kravkov 已提交
7306 7307
/**
 * Prepares for MCP reset: takes care of CLP configurations.
7308 7309 7310 7311 7312 7313 7314 7315 7316 7317 7318 7319 7320 7321 7322 7323 7324 7325 7326 7327 7328 7329 7330 7331 7332 7333 7334 7335 7336 7337 7338 7339 7340 7341 7342 7343 7344 7345 7346 7347 7348 7349 7350 7351 7352 7353 7354 7355 7356 7357 7358 7359 7360 7361 7362 7363 7364 7365 7366 7367 7368 7369 7370 7371 7372 7373 7374 7375 7376 7377 7378 7379 7380 7381 7382 7383 7384 7385 7386 7387 7388 7389 7390 7391 7392 7393 7394 7395 7396 7397 7398 7399 7400 7401 7402 7403 7404 7405 7406 7407 7408 7409 7410 7411 7412 7413 7414 7415 7416 7417 7418 7419 7420 7421 7422 7423 7424 7425 7426 7427 7428 7429 7430 7431 7432 7433 7434 7435 7436 7437 7438 7439 7440 7441 7442 7443 7444 7445 7446 7447 7448 7449 7450 7451 7452 7453 7454 7455 7456 7457 7458 7459 7460 7461 7462 7463 7464 7465 7466 7467 7468 7469 7470 7471 7472 7473 7474 7475 7476 7477 7478 7479 7480 7481 7482 7483 7484 7485 7486 7487 7488 7489 7490 7491 7492 7493 7494 7495 7496 7497 7498 7499 7500 7501 7502 7503 7504 7505 7506 7507 7508 7509 7510 7511 7512 7513 7514 7515 7516 7517 7518 7519 7520 7521 7522 7523 7524 7525 7526 7527 7528 7529 7530 7531 7532 7533 7534 7535 7536 7537 7538 7539
 *
 * @param bp
 * @param magic_val Old value of 'magic' bit.
 */
static void bnx2x_reset_mcp_prep(struct bnx2x *bp, u32 *magic_val)
{
	u32 shmem;
	u32 validity_offset;

	DP(NETIF_MSG_HW, "Starting\n");

	/* Set `magic' bit in order to save MF config */
	if (!CHIP_IS_E1(bp))
		bnx2x_clp_reset_prep(bp, magic_val);

	/* Get shmem offset */
	shmem = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
	validity_offset = offsetof(struct shmem_region, validity_map[0]);

	/* Clear validity map flags */
	if (shmem > 0)
		REG_WR(bp, shmem + validity_offset, 0);
}

#define MCP_TIMEOUT      5000   /* 5 seconds (in ms) */
#define MCP_ONE_TIMEOUT  100    /* 100 ms */

/* Waits for MCP_ONE_TIMEOUT or MCP_ONE_TIMEOUT*10,
 * depending on the HW type.
 *
 * @param bp
 */
static inline void bnx2x_mcp_wait_one(struct bnx2x *bp)
{
	/* special handling for emulation and FPGA,
	   wait 10 times longer */
	if (CHIP_REV_IS_SLOW(bp))
		msleep(MCP_ONE_TIMEOUT*10);
	else
		msleep(MCP_ONE_TIMEOUT);
}

static int bnx2x_reset_mcp_comp(struct bnx2x *bp, u32 magic_val)
{
	u32 shmem, cnt, validity_offset, val;
	int rc = 0;

	msleep(100);

	/* Get shmem offset */
	shmem = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
	if (shmem == 0) {
		BNX2X_ERR("Shmem 0 return failure\n");
		rc = -ENOTTY;
		goto exit_lbl;
	}

	validity_offset = offsetof(struct shmem_region, validity_map[0]);

	/* Wait for MCP to come up */
	for (cnt = 0; cnt < (MCP_TIMEOUT / MCP_ONE_TIMEOUT); cnt++) {
		/* TBD: its best to check validity map of last port.
		 * currently checks on port 0.
		 */
		val = REG_RD(bp, shmem + validity_offset);
		DP(NETIF_MSG_HW, "shmem 0x%x validity map(0x%x)=0x%x\n", shmem,
		   shmem + validity_offset, val);

		/* check that shared memory is valid. */
		if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
		    == (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
			break;

		bnx2x_mcp_wait_one(bp);
	}

	DP(NETIF_MSG_HW, "Cnt=%d Shmem validity map 0x%x\n", cnt, val);

	/* Check that shared memory is valid. This indicates that MCP is up. */
	if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) !=
	    (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) {
		BNX2X_ERR("Shmem signature not present. MCP is not up !!\n");
		rc = -ENOTTY;
		goto exit_lbl;
	}

exit_lbl:
	/* Restore the `magic' bit value */
	if (!CHIP_IS_E1(bp))
		bnx2x_clp_reset_done(bp, magic_val);

	return rc;
}

static void bnx2x_pxp_prep(struct bnx2x *bp)
{
	if (!CHIP_IS_E1(bp)) {
		REG_WR(bp, PXP2_REG_RD_START_INIT, 0);
		REG_WR(bp, PXP2_REG_RQ_RBC_DONE, 0);
		REG_WR(bp, PXP2_REG_RQ_CFG_DONE, 0);
		mmiowb();
	}
}

/*
 * Reset the whole chip except for:
 *      - PCIE core
 *      - PCI Glue, PSWHST, PXP/PXP2 RF (all controlled by
 *              one reset bit)
 *      - IGU
 *      - MISC (including AEU)
 *      - GRC
 *      - RBCN, RBCP
 */
static void bnx2x_process_kill_chip_reset(struct bnx2x *bp)
{
	u32 not_reset_mask1, reset_mask1, not_reset_mask2, reset_mask2;

	not_reset_mask1 =
		MISC_REGISTERS_RESET_REG_1_RST_HC |
		MISC_REGISTERS_RESET_REG_1_RST_PXPV |
		MISC_REGISTERS_RESET_REG_1_RST_PXP;

	not_reset_mask2 =
		MISC_REGISTERS_RESET_REG_2_RST_MDIO |
		MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE |
		MISC_REGISTERS_RESET_REG_2_RST_EMAC1_HARD_CORE |
		MISC_REGISTERS_RESET_REG_2_RST_MISC_CORE |
		MISC_REGISTERS_RESET_REG_2_RST_RBCN |
		MISC_REGISTERS_RESET_REG_2_RST_GRC  |
		MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_REG_HARD_CORE |
		MISC_REGISTERS_RESET_REG_2_RST_MCP_N_HARD_CORE_RST_B;

	reset_mask1 = 0xffffffff;

	if (CHIP_IS_E1(bp))
		reset_mask2 = 0xffff;
	else
		reset_mask2 = 0x1ffff;

	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
	       reset_mask1 & (~not_reset_mask1));
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
	       reset_mask2 & (~not_reset_mask2));

	barrier();
	mmiowb();

	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, reset_mask1);
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, reset_mask2);
	mmiowb();
}

static int bnx2x_process_kill(struct bnx2x *bp)
{
	int cnt = 1000;
	u32 val = 0;
	u32 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1, pgl_exp_rom2;


	/* Empty the Tetris buffer, wait for 1s */
	do {
		sr_cnt  = REG_RD(bp, PXP2_REG_RD_SR_CNT);
		blk_cnt = REG_RD(bp, PXP2_REG_RD_BLK_CNT);
		port_is_idle_0 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_0);
		port_is_idle_1 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_1);
		pgl_exp_rom2 = REG_RD(bp, PXP2_REG_PGL_EXP_ROM2);
		if ((sr_cnt == 0x7e) && (blk_cnt == 0xa0) &&
		    ((port_is_idle_0 & 0x1) == 0x1) &&
		    ((port_is_idle_1 & 0x1) == 0x1) &&
		    (pgl_exp_rom2 == 0xffffffff))
			break;
		msleep(1);
	} while (cnt-- > 0);

	if (cnt <= 0) {
		DP(NETIF_MSG_HW, "Tetris buffer didn't get empty or there"
			  " are still"
			  " outstanding read requests after 1s!\n");
		DP(NETIF_MSG_HW, "sr_cnt=0x%08x, blk_cnt=0x%08x,"
			  " port_is_idle_0=0x%08x,"
			  " port_is_idle_1=0x%08x, pgl_exp_rom2=0x%08x\n",
			  sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1,
			  pgl_exp_rom2);
		return -EAGAIN;
	}

	barrier();

	/* Close gates #2, #3 and #4 */
	bnx2x_set_234_gates(bp, true);

	/* TBD: Indicate that "process kill" is in progress to MCP */

	/* Clear "unprepared" bit */
	REG_WR(bp, MISC_REG_UNPREPARED, 0);
	barrier();

	/* Make sure all is written to the chip before the reset */
	mmiowb();

	/* Wait for 1ms to empty GLUE and PCI-E core queues,
	 * PSWHST, GRC and PSWRD Tetris buffer.
	 */
	msleep(1);

	/* Prepare to chip reset: */
	/* MCP */
	bnx2x_reset_mcp_prep(bp, &val);

	/* PXP */
	bnx2x_pxp_prep(bp);
	barrier();

	/* reset the chip */
	bnx2x_process_kill_chip_reset(bp);
	barrier();

	/* Recover after reset: */
	/* MCP */
	if (bnx2x_reset_mcp_comp(bp, val))
		return -EAGAIN;

	/* PXP */
	bnx2x_pxp_prep(bp);

	/* Open the gates #2, #3 and #4 */
	bnx2x_set_234_gates(bp, false);

	/* TBD: IGU/AEU preparation bring back the AEU/IGU to a
	 * reset state, re-enable attentions. */

E
Eliezer Tamir 已提交
7540 7541 7542
	return 0;
}

7543 7544 7545 7546 7547 7548 7549 7550 7551 7552 7553 7554 7555 7556 7557 7558 7559 7560 7561 7562 7563 7564 7565 7566 7567 7568 7569 7570 7571 7572 7573 7574 7575 7576 7577 7578 7579 7580 7581 7582 7583 7584 7585 7586 7587 7588 7589 7590 7591 7592 7593 7594 7595 7596 7597 7598 7599 7600 7601 7602 7603 7604 7605 7606 7607 7608 7609 7610 7611 7612 7613 7614 7615 7616 7617 7618 7619 7620 7621 7622 7623 7624 7625 7626 7627 7628 7629 7630 7631 7632 7633 7634 7635 7636 7637 7638 7639 7640 7641 7642 7643 7644 7645 7646 7647 7648 7649 7650 7651 7652 7653 7654 7655 7656 7657 7658 7659 7660 7661 7662 7663 7664 7665 7666 7667 7668 7669 7670 7671
static int bnx2x_leader_reset(struct bnx2x *bp)
{
	int rc = 0;
	/* Try to recover after the failure */
	if (bnx2x_process_kill(bp)) {
		printk(KERN_ERR "%s: Something bad had happen! Aii!\n",
		       bp->dev->name);
		rc = -EAGAIN;
		goto exit_leader_reset;
	}

	/* Clear "reset is in progress" bit and update the driver state */
	bnx2x_set_reset_done(bp);
	bp->recovery_state = BNX2X_RECOVERY_DONE;

exit_leader_reset:
	bp->is_leader = 0;
	bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESERVED_08);
	smp_wmb();
	return rc;
}

/* Assumption: runs under rtnl lock. This together with the fact
 * that it's called only from bnx2x_reset_task() ensure that it
 * will never be called when netif_running(bp->dev) is false.
 */
static void bnx2x_parity_recover(struct bnx2x *bp)
{
	DP(NETIF_MSG_HW, "Handling parity\n");
	while (1) {
		switch (bp->recovery_state) {
		case BNX2X_RECOVERY_INIT:
			DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_INIT\n");
			/* Try to get a LEADER_LOCK HW lock */
			if (bnx2x_trylock_hw_lock(bp,
				HW_LOCK_RESOURCE_RESERVED_08))
				bp->is_leader = 1;

			/* Stop the driver */
			/* If interface has been removed - break */
			if (bnx2x_nic_unload(bp, UNLOAD_RECOVERY))
				return;

			bp->recovery_state = BNX2X_RECOVERY_WAIT;
			/* Ensure "is_leader" and "recovery_state"
			 *  update values are seen on other CPUs
			 */
			smp_wmb();
			break;

		case BNX2X_RECOVERY_WAIT:
			DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_WAIT\n");
			if (bp->is_leader) {
				u32 load_counter = bnx2x_get_load_cnt(bp);
				if (load_counter) {
					/* Wait until all other functions get
					 * down.
					 */
					schedule_delayed_work(&bp->reset_task,
								HZ/10);
					return;
				} else {
					/* If all other functions got down -
					 * try to bring the chip back to
					 * normal. In any case it's an exit
					 * point for a leader.
					 */
					if (bnx2x_leader_reset(bp) ||
					bnx2x_nic_load(bp, LOAD_NORMAL)) {
						printk(KERN_ERR"%s: Recovery "
						"has failed. Power cycle is "
						"needed.\n", bp->dev->name);
						/* Disconnect this device */
						netif_device_detach(bp->dev);
						/* Block ifup for all function
						 * of this ASIC until
						 * "process kill" or power
						 * cycle.
						 */
						bnx2x_set_reset_in_progress(bp);
						/* Shut down the power */
						bnx2x_set_power_state(bp,
								PCI_D3hot);
						return;
					}

					return;
				}
			} else { /* non-leader */
				if (!bnx2x_reset_is_done(bp)) {
					/* Try to get a LEADER_LOCK HW lock as
					 * long as a former leader may have
					 * been unloaded by the user or
					 * released a leadership by another
					 * reason.
					 */
					if (bnx2x_trylock_hw_lock(bp,
					    HW_LOCK_RESOURCE_RESERVED_08)) {
						/* I'm a leader now! Restart a
						 * switch case.
						 */
						bp->is_leader = 1;
						break;
					}

					schedule_delayed_work(&bp->reset_task,
								HZ/10);
					return;

				} else { /* A leader has completed
					  * the "process kill". It's an exit
					  * point for a non-leader.
					  */
					bnx2x_nic_load(bp, LOAD_NORMAL);
					bp->recovery_state =
						BNX2X_RECOVERY_DONE;
					smp_wmb();
					return;
				}
			}
		default:
			return;
		}
	}
}

/* bnx2x_nic_unload() flushes the bnx2x_wq, thus reset task is
 * scheduled on a general queue in order to prevent a dead lock.
 */
7672 7673
static void bnx2x_reset_task(struct work_struct *work)
{
7674
	struct bnx2x *bp = container_of(work, struct bnx2x, reset_task.work);
7675 7676 7677 7678

#ifdef BNX2X_STOP_ON_ERROR
	BNX2X_ERR("reset task called but STOP_ON_ERROR defined"
		  " so reset not done to allow debug dump,\n"
7679
	 KERN_ERR " you will need to reboot when done\n");
7680 7681 7682 7683 7684 7685 7686 7687
	return;
#endif

	rtnl_lock();

	if (!netif_running(bp->dev))
		goto reset_task_exit;

7688 7689 7690 7691 7692 7693
	if (unlikely(bp->recovery_state != BNX2X_RECOVERY_DONE))
		bnx2x_parity_recover(bp);
	else {
		bnx2x_nic_unload(bp, UNLOAD_NORMAL);
		bnx2x_nic_load(bp, LOAD_NORMAL);
	}
7694 7695 7696 7697 7698

reset_task_exit:
	rtnl_unlock();
}

E
Eliezer Tamir 已提交
7699 7700 7701 7702 7703 7704
/* end of nic load/unload */

/*
 * Init service functions
 */

7705
static u32 bnx2x_get_pretend_reg(struct bnx2x *bp)
D
Dmitry Kravkov 已提交
7706 7707 7708 7709
{
	u32 base = PXP2_REG_PGL_PRETEND_FUNC_F0;
	u32 stride = PXP2_REG_PGL_PRETEND_FUNC_F1 - base;
	return base + (BP_ABS_FUNC(bp)) * stride;
7710 7711
}

D
Dmitry Kravkov 已提交
7712
static void bnx2x_undi_int_disable_e1h(struct bnx2x *bp)
7713
{
D
Dmitry Kravkov 已提交
7714
	u32 reg = bnx2x_get_pretend_reg(bp);
7715 7716 7717 7718 7719 7720

	/* Flush all outstanding writes */
	mmiowb();

	/* Pretend to be function 0 */
	REG_WR(bp, reg, 0);
D
Dmitry Kravkov 已提交
7721
	REG_RD(bp, reg);	/* Flush the GRC transaction (in the chip) */
7722 7723 7724 7725 7726 7727 7728

	/* From now we are in the "like-E1" mode */
	bnx2x_int_disable(bp);

	/* Flush all outstanding writes */
	mmiowb();

D
Dmitry Kravkov 已提交
7729 7730 7731
	/* Restore the original function */
	REG_WR(bp, reg, BP_ABS_FUNC(bp));
	REG_RD(bp, reg);
7732 7733
}

D
Dmitry Kravkov 已提交
7734
static inline void bnx2x_undi_int_disable(struct bnx2x *bp)
7735
{
D
Dmitry Kravkov 已提交
7736
	if (CHIP_IS_E1(bp))
7737
		bnx2x_int_disable(bp);
D
Dmitry Kravkov 已提交
7738 7739
	else
		bnx2x_undi_int_disable_e1h(bp);
7740 7741
}

7742 7743 7744 7745 7746 7747 7748 7749 7750 7751
static void __devinit bnx2x_undi_unload(struct bnx2x *bp)
{
	u32 val;

	/* Check if there is any driver already loaded */
	val = REG_RD(bp, MISC_REG_UNPREPARED);
	if (val == 0x1) {
		/* Check if it is the UNDI driver
		 * UNDI driver initializes CID offset for normal bell to 0x7
		 */
Y
Yitchak Gertner 已提交
7752
		bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
7753 7754 7755
		val = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
		if (val == 0x7) {
			u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
D
Dmitry Kravkov 已提交
7756 7757
			/* save our pf_num */
			int orig_pf_num = bp->pf_num;
7758 7759
			u32 swap_en;
			u32 swap_val;
7760

7761 7762 7763
			/* clear the UNDI indication */
			REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0);

7764 7765 7766
			BNX2X_DEV_INFO("UNDI is active! reset device\n");

			/* try unload UNDI on port 0 */
D
Dmitry Kravkov 已提交
7767
			bp->pf_num = 0;
7768
			bp->fw_seq =
D
Dmitry Kravkov 已提交
7769
			      (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
7770
				DRV_MSG_SEQ_NUMBER_MASK);
Y
Yaniv Rosner 已提交
7771
			reset_code = bnx2x_fw_command(bp, reset_code, 0);
7772 7773 7774 7775

			/* if UNDI is loaded on the other port */
			if (reset_code != FW_MSG_CODE_DRV_UNLOAD_COMMON) {

7776
				/* send "DONE" for previous unload */
Y
Yaniv Rosner 已提交
7777 7778
				bnx2x_fw_command(bp,
						 DRV_MSG_CODE_UNLOAD_DONE, 0);
7779 7780

				/* unload UNDI on port 1 */
D
Dmitry Kravkov 已提交
7781
				bp->pf_num = 1;
7782
				bp->fw_seq =
D
Dmitry Kravkov 已提交
7783
			      (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
7784 7785 7786
					DRV_MSG_SEQ_NUMBER_MASK);
				reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;

Y
Yaniv Rosner 已提交
7787
				bnx2x_fw_command(bp, reset_code, 0);
7788 7789
			}

7790 7791 7792
			/* now it's safe to release the lock */
			bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);

D
Dmitry Kravkov 已提交
7793
			bnx2x_undi_int_disable(bp);
7794 7795 7796 7797 7798 7799 7800 7801 7802 7803 7804 7805 7806 7807 7808 7809 7810 7811 7812 7813

			/* close input traffic and wait for it */
			/* Do not rcv packets to BRB */
			REG_WR(bp,
			      (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_DRV_MASK :
					     NIG_REG_LLH0_BRB1_DRV_MASK), 0x0);
			/* Do not direct rcv packets that are not for MCP to
			 * the BRB */
			REG_WR(bp,
			       (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_NOT_MCP :
					      NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
			/* clear AEU */
			REG_WR(bp,
			     (BP_PORT(bp) ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
					    MISC_REG_AEU_MASK_ATTN_FUNC_0), 0);
			msleep(10);

			/* save NIG port swap info */
			swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
			swap_en = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
7814 7815 7816
			/* reset device */
			REG_WR(bp,
			       GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
7817
			       0xd3ffffff);
7818 7819 7820
			REG_WR(bp,
			       GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
			       0x1403);
7821 7822 7823 7824 7825 7826 7827 7828
			/* take the NIG out of reset and restore swap values */
			REG_WR(bp,
			       GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
			       MISC_REGISTERS_RESET_REG_1_RST_NIG);
			REG_WR(bp, NIG_REG_PORT_SWAP, swap_val);
			REG_WR(bp, NIG_REG_STRAP_OVERRIDE, swap_en);

			/* send unload done to the MCP */
Y
Yaniv Rosner 已提交
7829
			bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
7830 7831

			/* restore our func and fw_seq */
D
Dmitry Kravkov 已提交
7832
			bp->pf_num = orig_pf_num;
7833
			bp->fw_seq =
D
Dmitry Kravkov 已提交
7834
			      (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
7835
				DRV_MSG_SEQ_NUMBER_MASK);
7836 7837
		} else
			bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
7838 7839 7840 7841 7842 7843
	}
}

static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
{
	u32 val, val2, val3, val4, id;
E
Eilon Greenstein 已提交
7844
	u16 pmc;
7845 7846 7847 7848 7849 7850 7851 7852 7853

	/* Get the chip revision id and number. */
	/* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
	val = REG_RD(bp, MISC_REG_CHIP_NUM);
	id = ((val & 0xffff) << 16);
	val = REG_RD(bp, MISC_REG_CHIP_REV);
	id |= ((val & 0xf) << 12);
	val = REG_RD(bp, MISC_REG_CHIP_METAL);
	id |= ((val & 0xff) << 4);
E
Eilon Greenstein 已提交
7854
	val = REG_RD(bp, MISC_REG_BOND_ID);
7855 7856
	id |= (val & 0xf);
	bp->common.chip_id = id;
7857 7858 7859 7860

	/* Set doorbell size */
	bp->db_size = (1 << BNX2X_DB_SHIFT);

D
Dmitry Kravkov 已提交
7861 7862 7863 7864 7865 7866 7867 7868 7869 7870 7871 7872 7873 7874 7875 7876 7877 7878 7879 7880
	if (CHIP_IS_E2(bp)) {
		val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
		if ((val & 1) == 0)
			val = REG_RD(bp, MISC_REG_PORT4MODE_EN);
		else
			val = (val >> 1) & 1;
		BNX2X_DEV_INFO("chip is in %s\n", val ? "4_PORT_MODE" :
						       "2_PORT_MODE");
		bp->common.chip_port_mode = val ? CHIP_4_PORT_MODE :
						 CHIP_2_PORT_MODE;

		if (CHIP_MODE_IS_4_PORT(bp))
			bp->pfid = (bp->pf_num >> 1);	/* 0..3 */
		else
			bp->pfid = (bp->pf_num & 0x6);	/* 0, 2, 4, 6 */
	} else {
		bp->common.chip_port_mode = CHIP_PORT_MODE_NONE; /* N/A */
		bp->pfid = bp->pf_num;			/* 0..7 */
	}

7881 7882 7883 7884 7885
	/*
	 * set base FW non-default (fast path) status block id, this value is
	 * used to initialize the fw_sb_id saved on the fp/queue structure to
	 * determine the id used by the FW.
	 */
D
Dmitry Kravkov 已提交
7886 7887 7888 7889 7890 7891 7892
	if (CHIP_IS_E1x(bp))
		bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E1x;
	else /* E2 */
		bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E2;

	bp->link_params.chip_id = bp->common.chip_id;
	BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
7893

7894 7895 7896 7897 7898 7899 7900
	val = (REG_RD(bp, 0x2874) & 0x55);
	if ((bp->common.chip_id & 0x1) ||
	    (CHIP_IS_E1(bp) && val) || (CHIP_IS_E1H(bp) && (val == 0x55))) {
		bp->flags |= ONE_PORT_FLAG;
		BNX2X_DEV_INFO("single port device\n");
	}

7901 7902 7903 7904 7905 7906 7907
	val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
	bp->common.flash_size = (NVRAM_1MB_SIZE <<
				 (val & MCPR_NVM_CFG4_FLASH_SIZE));
	BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
		       bp->common.flash_size, bp->common.flash_size);

	bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
D
Dmitry Kravkov 已提交
7908 7909 7910
	bp->common.shmem2_base = REG_RD(bp, (BP_PATH(bp) ?
					MISC_REG_GENERIC_CR_1 :
					MISC_REG_GENERIC_CR_0));
7911
	bp->link_params.shmem_base = bp->common.shmem_base;
Y
Yaniv Rosner 已提交
7912
	bp->link_params.shmem2_base = bp->common.shmem2_base;
7913 7914
	BNX2X_DEV_INFO("shmem offset 0x%x  shmem2 offset 0x%x\n",
		       bp->common.shmem_base, bp->common.shmem2_base);
7915

D
Dmitry Kravkov 已提交
7916
	if (!bp->common.shmem_base) {
7917 7918 7919 7920 7921 7922 7923 7924
		BNX2X_DEV_INFO("MCP not active\n");
		bp->flags |= NO_MCP_FLAG;
		return;
	}

	val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
	if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
		!= (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
D
Dmitry Kravkov 已提交
7925
		BNX2X_ERR("BAD MCP validity signature\n");
7926 7927

	bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
7928
	BNX2X_DEV_INFO("hw_config 0x%08x\n", bp->common.hw_config);
7929 7930 7931 7932 7933

	bp->link_params.hw_led_mode = ((bp->common.hw_config &
					SHARED_HW_CFG_LED_MODE_MASK) >>
				       SHARED_HW_CFG_LED_MODE_SHIFT);

7934 7935 7936 7937 7938 7939 7940 7941 7942
	bp->link_params.feature_config_flags = 0;
	val = SHMEM_RD(bp, dev_info.shared_feature_config.config);
	if (val & SHARED_FEAT_CFG_OVERRIDE_PREEMPHASIS_CFG_ENABLED)
		bp->link_params.feature_config_flags |=
				FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
	else
		bp->link_params.feature_config_flags &=
				~FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;

7943 7944 7945 7946 7947 7948
	val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
	bp->common.bc_ver = val;
	BNX2X_DEV_INFO("bc_ver %X\n", val);
	if (val < BNX2X_BC_VER) {
		/* for now only warn
		 * later we might need to enforce this */
D
Dmitry Kravkov 已提交
7949 7950
		BNX2X_ERR("This driver needs bc_ver %X but found %X, "
			  "please upgrade BC\n", BNX2X_BC_VER, val);
7951
	}
E
Eilon Greenstein 已提交
7952
	bp->link_params.feature_config_flags |=
Y
Yaniv Rosner 已提交
7953
				(val >= REQ_BC_VER_4_VRFY_FIRST_PHY_OPT_MDL) ?
D
Dmitry Kravkov 已提交
7954 7955
				FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY : 0;

Y
Yaniv Rosner 已提交
7956 7957 7958
	bp->link_params.feature_config_flags |=
		(val >= REQ_BC_VER_4_VRFY_SPECIFIC_PHY_OPT_MDL) ?
		FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY : 0;
E
Eilon Greenstein 已提交
7959 7960 7961 7962 7963 7964 7965 7966 7967

	if (BP_E1HVN(bp) == 0) {
		pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc);
		bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG;
	} else {
		/* no WOL capability for E1HVN != 0 */
		bp->flags |= NO_WOL_FLAG;
	}
	BNX2X_DEV_INFO("%sWoL capable\n",
E
Eilon Greenstein 已提交
7968
		       (bp->flags & NO_WOL_FLAG) ? "not " : "");
7969 7970 7971 7972 7973 7974

	val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
	val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
	val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
	val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);

V
Vladislav Zolotarov 已提交
7975 7976
	dev_info(&bp->pdev->dev, "part number %X-%X-%X-%X\n",
		 val, val2, val3, val4);
7977 7978
}

D
Dmitry Kravkov 已提交
7979 7980 7981 7982 7983 7984 7985 7986 7987 7988 7989 7990 7991 7992 7993
#define IGU_FID(val)	GET_FIELD((val), IGU_REG_MAPPING_MEMORY_FID)
#define IGU_VEC(val)	GET_FIELD((val), IGU_REG_MAPPING_MEMORY_VECTOR)

static void __devinit bnx2x_get_igu_cam_info(struct bnx2x *bp)
{
	int pfid = BP_FUNC(bp);
	int vn = BP_E1HVN(bp);
	int igu_sb_id;
	u32 val;
	u8 fid;

	bp->igu_base_sb = 0xff;
	bp->igu_sb_cnt = 0;
	if (CHIP_INT_MODE_IS_BC(bp)) {
		bp->igu_sb_cnt = min_t(u8, FP_SB_MAX_E1x,
V
Vladislav Zolotarov 已提交
7994
				       NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
D
Dmitry Kravkov 已提交
7995 7996 7997 7998 7999 8000 8001 8002 8003 8004 8005 8006 8007 8008 8009 8010 8011 8012 8013 8014 8015 8016 8017 8018 8019 8020 8021 8022 8023 8024

		bp->igu_base_sb = (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn) *
			FP_SB_MAX_E1x;

		bp->igu_dsb_id =  E1HVN_MAX * FP_SB_MAX_E1x +
			(CHIP_MODE_IS_4_PORT(bp) ? pfid : vn);

		return;
	}

	/* IGU in normal mode - read CAM */
	for (igu_sb_id = 0; igu_sb_id < IGU_REG_MAPPING_MEMORY_SIZE;
	     igu_sb_id++) {
		val = REG_RD(bp, IGU_REG_MAPPING_MEMORY + igu_sb_id * 4);
		if (!(val & IGU_REG_MAPPING_MEMORY_VALID))
			continue;
		fid = IGU_FID(val);
		if ((fid & IGU_FID_ENCODE_IS_PF)) {
			if ((fid & IGU_FID_PF_NUM_MASK) != pfid)
				continue;
			if (IGU_VEC(val) == 0)
				/* default status block */
				bp->igu_dsb_id = igu_sb_id;
			else {
				if (bp->igu_base_sb == 0xff)
					bp->igu_base_sb = igu_sb_id;
				bp->igu_sb_cnt++;
			}
		}
	}
V
Vladislav Zolotarov 已提交
8025 8026
	bp->igu_sb_cnt = min_t(u8, bp->igu_sb_cnt,
				   NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
D
Dmitry Kravkov 已提交
8027 8028 8029 8030
	if (bp->igu_sb_cnt == 0)
		BNX2X_ERR("CAM configuration error\n");
}

8031 8032
static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
						    u32 switch_cfg)
E
Eliezer Tamir 已提交
8033
{
Y
Yaniv Rosner 已提交
8034 8035 8036 8037 8038
	int cfg_size = 0, idx, port = BP_PORT(bp);

	/* Aggregation of supported attributes of all external phys */
	bp->port.supported[0] = 0;
	bp->port.supported[1] = 0;
Y
Yaniv Rosner 已提交
8039 8040
	switch (bp->link_params.num_phys) {
	case 1:
Y
Yaniv Rosner 已提交
8041 8042 8043
		bp->port.supported[0] = bp->link_params.phy[INT_PHY].supported;
		cfg_size = 1;
		break;
Y
Yaniv Rosner 已提交
8044
	case 2:
Y
Yaniv Rosner 已提交
8045 8046 8047 8048 8049 8050 8051 8052 8053 8054 8055 8056 8057 8058 8059 8060 8061 8062
		bp->port.supported[0] = bp->link_params.phy[EXT_PHY1].supported;
		cfg_size = 1;
		break;
	case 3:
		if (bp->link_params.multi_phy_config &
		    PORT_HW_CFG_PHY_SWAPPED_ENABLED) {
			bp->port.supported[1] =
				bp->link_params.phy[EXT_PHY1].supported;
			bp->port.supported[0] =
				bp->link_params.phy[EXT_PHY2].supported;
		} else {
			bp->port.supported[0] =
				bp->link_params.phy[EXT_PHY1].supported;
			bp->port.supported[1] =
				bp->link_params.phy[EXT_PHY2].supported;
		}
		cfg_size = 2;
		break;
Y
Yaniv Rosner 已提交
8063
	}
E
Eliezer Tamir 已提交
8064

Y
Yaniv Rosner 已提交
8065
	if (!(bp->port.supported[0] || bp->port.supported[1])) {
Y
Yaniv Rosner 已提交
8066
		BNX2X_ERR("NVRAM config error. BAD phy config."
Y
Yaniv Rosner 已提交
8067
			  "PHY1 config 0x%x, PHY2 config 0x%x\n",
Y
Yaniv Rosner 已提交
8068
			   SHMEM_RD(bp,
Y
Yaniv Rosner 已提交
8069 8070 8071
			   dev_info.port_hw_config[port].external_phy_config),
			   SHMEM_RD(bp,
			   dev_info.port_hw_config[port].external_phy_config2));
E
Eliezer Tamir 已提交
8072
			return;
D
Dmitry Kravkov 已提交
8073
	}
E
Eliezer Tamir 已提交
8074

Y
Yaniv Rosner 已提交
8075 8076
	switch (switch_cfg) {
	case SWITCH_CFG_1G:
8077 8078 8079
		bp->port.phy_addr = REG_RD(bp, NIG_REG_SERDES0_CTRL_PHY_ADDR +
					   port*0x10);
		BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
E
Eliezer Tamir 已提交
8080 8081 8082
		break;

	case SWITCH_CFG_10G:
8083 8084 8085
		bp->port.phy_addr = REG_RD(bp, NIG_REG_XGXS0_CTRL_PHY_ADDR +
					   port*0x18);
		BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
E
Eliezer Tamir 已提交
8086 8087 8088 8089
		break;

	default:
		BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
Y
Yaniv Rosner 已提交
8090
			  bp->port.link_config[0]);
E
Eliezer Tamir 已提交
8091 8092
		return;
	}
Y
Yaniv Rosner 已提交
8093 8094 8095
	/* mask what we support according to speed_cap_mask per configuration */
	for (idx = 0; idx < cfg_size; idx++) {
		if (!(bp->link_params.speed_cap_mask[idx] &
Y
Yaniv Rosner 已提交
8096
				PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
Y
Yaniv Rosner 已提交
8097
			bp->port.supported[idx] &= ~SUPPORTED_10baseT_Half;
E
Eliezer Tamir 已提交
8098

Y
Yaniv Rosner 已提交
8099
		if (!(bp->link_params.speed_cap_mask[idx] &
Y
Yaniv Rosner 已提交
8100
				PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
Y
Yaniv Rosner 已提交
8101
			bp->port.supported[idx] &= ~SUPPORTED_10baseT_Full;
E
Eliezer Tamir 已提交
8102

Y
Yaniv Rosner 已提交
8103
		if (!(bp->link_params.speed_cap_mask[idx] &
Y
Yaniv Rosner 已提交
8104
				PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
Y
Yaniv Rosner 已提交
8105
			bp->port.supported[idx] &= ~SUPPORTED_100baseT_Half;
E
Eliezer Tamir 已提交
8106

Y
Yaniv Rosner 已提交
8107
		if (!(bp->link_params.speed_cap_mask[idx] &
Y
Yaniv Rosner 已提交
8108
				PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
Y
Yaniv Rosner 已提交
8109
			bp->port.supported[idx] &= ~SUPPORTED_100baseT_Full;
E
Eliezer Tamir 已提交
8110

Y
Yaniv Rosner 已提交
8111
		if (!(bp->link_params.speed_cap_mask[idx] &
Y
Yaniv Rosner 已提交
8112
					PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
Y
Yaniv Rosner 已提交
8113
			bp->port.supported[idx] &= ~(SUPPORTED_1000baseT_Half |
D
Dmitry Kravkov 已提交
8114
						     SUPPORTED_1000baseT_Full);
E
Eliezer Tamir 已提交
8115

Y
Yaniv Rosner 已提交
8116
		if (!(bp->link_params.speed_cap_mask[idx] &
Y
Yaniv Rosner 已提交
8117
					PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
Y
Yaniv Rosner 已提交
8118
			bp->port.supported[idx] &= ~SUPPORTED_2500baseX_Full;
E
Eliezer Tamir 已提交
8119

Y
Yaniv Rosner 已提交
8120
		if (!(bp->link_params.speed_cap_mask[idx] &
Y
Yaniv Rosner 已提交
8121
					PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
Y
Yaniv Rosner 已提交
8122 8123 8124
			bp->port.supported[idx] &= ~SUPPORTED_10000baseT_Full;

	}
E
Eliezer Tamir 已提交
8125

Y
Yaniv Rosner 已提交
8126 8127
	BNX2X_DEV_INFO("supported 0x%x 0x%x\n", bp->port.supported[0],
		       bp->port.supported[1]);
E
Eliezer Tamir 已提交
8128 8129
}

8130
static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
E
Eliezer Tamir 已提交
8131
{
Y
Yaniv Rosner 已提交
8132 8133 8134 8135 8136 8137 8138 8139 8140 8141 8142 8143 8144 8145 8146 8147
	u32 link_config, idx, cfg_size = 0;
	bp->port.advertising[0] = 0;
	bp->port.advertising[1] = 0;
	switch (bp->link_params.num_phys) {
	case 1:
	case 2:
		cfg_size = 1;
		break;
	case 3:
		cfg_size = 2;
		break;
	}
	for (idx = 0; idx < cfg_size; idx++) {
		bp->link_params.req_duplex[idx] = DUPLEX_FULL;
		link_config = bp->port.link_config[idx];
		switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
D
Dmitry Kravkov 已提交
8148
		case PORT_FEATURE_LINK_SPEED_AUTO:
Y
Yaniv Rosner 已提交
8149 8150 8151 8152 8153
			if (bp->port.supported[idx] & SUPPORTED_Autoneg) {
				bp->link_params.req_line_speed[idx] =
					SPEED_AUTO_NEG;
				bp->port.advertising[idx] |=
					bp->port.supported[idx];
D
Dmitry Kravkov 已提交
8154 8155
			} else {
				/* force 10G, no AN */
Y
Yaniv Rosner 已提交
8156 8157 8158 8159
				bp->link_params.req_line_speed[idx] =
					SPEED_10000;
				bp->port.advertising[idx] |=
					(ADVERTISED_10000baseT_Full |
D
Dmitry Kravkov 已提交
8160
					 ADVERTISED_FIBRE);
Y
Yaniv Rosner 已提交
8161
				continue;
D
Dmitry Kravkov 已提交
8162 8163
			}
			break;
E
Eliezer Tamir 已提交
8164

D
Dmitry Kravkov 已提交
8165
		case PORT_FEATURE_LINK_SPEED_10M_FULL:
Y
Yaniv Rosner 已提交
8166 8167 8168 8169 8170
			if (bp->port.supported[idx] & SUPPORTED_10baseT_Full) {
				bp->link_params.req_line_speed[idx] =
					SPEED_10;
				bp->port.advertising[idx] |=
					(ADVERTISED_10baseT_Full |
D
Dmitry Kravkov 已提交
8171 8172 8173 8174 8175 8176
					 ADVERTISED_TP);
			} else {
				BNX2X_ERROR("NVRAM config error. "
					    "Invalid link_config 0x%x"
					    "  speed_cap_mask 0x%x\n",
					    link_config,
Y
Yaniv Rosner 已提交
8177
				    bp->link_params.speed_cap_mask[idx]);
D
Dmitry Kravkov 已提交
8178 8179 8180
				return;
			}
			break;
E
Eliezer Tamir 已提交
8181

D
Dmitry Kravkov 已提交
8182
		case PORT_FEATURE_LINK_SPEED_10M_HALF:
Y
Yaniv Rosner 已提交
8183 8184 8185 8186 8187 8188 8189
			if (bp->port.supported[idx] & SUPPORTED_10baseT_Half) {
				bp->link_params.req_line_speed[idx] =
					SPEED_10;
				bp->link_params.req_duplex[idx] =
					DUPLEX_HALF;
				bp->port.advertising[idx] |=
					(ADVERTISED_10baseT_Half |
D
Dmitry Kravkov 已提交
8190 8191 8192 8193 8194 8195 8196 8197 8198 8199
					 ADVERTISED_TP);
			} else {
				BNX2X_ERROR("NVRAM config error. "
					    "Invalid link_config 0x%x"
					    "  speed_cap_mask 0x%x\n",
					    link_config,
					  bp->link_params.speed_cap_mask[idx]);
				return;
			}
			break;
E
Eliezer Tamir 已提交
8200

D
Dmitry Kravkov 已提交
8201 8202 8203
		case PORT_FEATURE_LINK_SPEED_100M_FULL:
			if (bp->port.supported[idx] &
			    SUPPORTED_100baseT_Full) {
Y
Yaniv Rosner 已提交
8204 8205 8206 8207
				bp->link_params.req_line_speed[idx] =
					SPEED_100;
				bp->port.advertising[idx] |=
					(ADVERTISED_100baseT_Full |
D
Dmitry Kravkov 已提交
8208 8209 8210 8211 8212 8213 8214 8215 8216 8217
					 ADVERTISED_TP);
			} else {
				BNX2X_ERROR("NVRAM config error. "
					    "Invalid link_config 0x%x"
					    "  speed_cap_mask 0x%x\n",
					    link_config,
					  bp->link_params.speed_cap_mask[idx]);
				return;
			}
			break;
E
Eliezer Tamir 已提交
8218

D
Dmitry Kravkov 已提交
8219 8220 8221 8222 8223 8224 8225
		case PORT_FEATURE_LINK_SPEED_100M_HALF:
			if (bp->port.supported[idx] &
			    SUPPORTED_100baseT_Half) {
				bp->link_params.req_line_speed[idx] =
								SPEED_100;
				bp->link_params.req_duplex[idx] =
								DUPLEX_HALF;
Y
Yaniv Rosner 已提交
8226 8227
				bp->port.advertising[idx] |=
					(ADVERTISED_100baseT_Half |
D
Dmitry Kravkov 已提交
8228 8229 8230
					 ADVERTISED_TP);
			} else {
				BNX2X_ERROR("NVRAM config error. "
V
Vladislav Zolotarov 已提交
8231 8232
				    "Invalid link_config 0x%x"
				    "  speed_cap_mask 0x%x\n",
Y
Yaniv Rosner 已提交
8233 8234
				    link_config,
				    bp->link_params.speed_cap_mask[idx]);
D
Dmitry Kravkov 已提交
8235 8236 8237
				return;
			}
			break;
E
Eliezer Tamir 已提交
8238

D
Dmitry Kravkov 已提交
8239
		case PORT_FEATURE_LINK_SPEED_1G:
Y
Yaniv Rosner 已提交
8240 8241 8242 8243 8244 8245
			if (bp->port.supported[idx] &
			    SUPPORTED_1000baseT_Full) {
				bp->link_params.req_line_speed[idx] =
					SPEED_1000;
				bp->port.advertising[idx] |=
					(ADVERTISED_1000baseT_Full |
D
Dmitry Kravkov 已提交
8246 8247 8248
					 ADVERTISED_TP);
			} else {
				BNX2X_ERROR("NVRAM config error. "
V
Vladislav Zolotarov 已提交
8249 8250
				    "Invalid link_config 0x%x"
				    "  speed_cap_mask 0x%x\n",
Y
Yaniv Rosner 已提交
8251 8252
				    link_config,
				    bp->link_params.speed_cap_mask[idx]);
D
Dmitry Kravkov 已提交
8253 8254 8255
				return;
			}
			break;
E
Eliezer Tamir 已提交
8256

D
Dmitry Kravkov 已提交
8257
		case PORT_FEATURE_LINK_SPEED_2_5G:
Y
Yaniv Rosner 已提交
8258 8259 8260 8261 8262 8263
			if (bp->port.supported[idx] &
			    SUPPORTED_2500baseX_Full) {
				bp->link_params.req_line_speed[idx] =
					SPEED_2500;
				bp->port.advertising[idx] |=
					(ADVERTISED_2500baseX_Full |
8264
						ADVERTISED_TP);
D
Dmitry Kravkov 已提交
8265 8266
			} else {
				BNX2X_ERROR("NVRAM config error. "
V
Vladislav Zolotarov 已提交
8267 8268
				    "Invalid link_config 0x%x"
				    "  speed_cap_mask 0x%x\n",
Y
Yaniv Rosner 已提交
8269
				    link_config,
D
Dmitry Kravkov 已提交
8270 8271 8272 8273
				    bp->link_params.speed_cap_mask[idx]);
				return;
			}
			break;
E
Eliezer Tamir 已提交
8274

D
Dmitry Kravkov 已提交
8275 8276 8277
		case PORT_FEATURE_LINK_SPEED_10G_CX4:
		case PORT_FEATURE_LINK_SPEED_10G_KX4:
		case PORT_FEATURE_LINK_SPEED_10G_KR:
Y
Yaniv Rosner 已提交
8278 8279 8280 8281 8282 8283
			if (bp->port.supported[idx] &
			    SUPPORTED_10000baseT_Full) {
				bp->link_params.req_line_speed[idx] =
					SPEED_10000;
				bp->port.advertising[idx] |=
					(ADVERTISED_10000baseT_Full |
8284
						ADVERTISED_FIBRE);
D
Dmitry Kravkov 已提交
8285 8286
			} else {
				BNX2X_ERROR("NVRAM config error. "
V
Vladislav Zolotarov 已提交
8287 8288
				    "Invalid link_config 0x%x"
				    "  speed_cap_mask 0x%x\n",
Y
Yaniv Rosner 已提交
8289
				    link_config,
D
Dmitry Kravkov 已提交
8290 8291 8292 8293
				    bp->link_params.speed_cap_mask[idx]);
				return;
			}
			break;
E
Eliezer Tamir 已提交
8294

D
Dmitry Kravkov 已提交
8295 8296 8297 8298 8299 8300 8301 8302 8303 8304
		default:
			BNX2X_ERROR("NVRAM config error. "
				    "BAD link speed link_config 0x%x\n",
					  link_config);
				bp->link_params.req_line_speed[idx] =
							SPEED_AUTO_NEG;
				bp->port.advertising[idx] =
						bp->port.supported[idx];
			break;
		}
E
Eliezer Tamir 已提交
8305

Y
Yaniv Rosner 已提交
8306
		bp->link_params.req_flow_ctrl[idx] = (link_config &
8307
					 PORT_FEATURE_FLOW_CONTROL_MASK);
Y
Yaniv Rosner 已提交
8308 8309 8310 8311 8312 8313
		if ((bp->link_params.req_flow_ctrl[idx] ==
		     BNX2X_FLOW_CTRL_AUTO) &&
		    !(bp->port.supported[idx] & SUPPORTED_Autoneg)) {
			bp->link_params.req_flow_ctrl[idx] =
				BNX2X_FLOW_CTRL_NONE;
		}
E
Eliezer Tamir 已提交
8314

Y
Yaniv Rosner 已提交
8315 8316 8317 8318 8319 8320 8321
		BNX2X_DEV_INFO("req_line_speed %d  req_duplex %d req_flow_ctrl"
			       " 0x%x advertising 0x%x\n",
			       bp->link_params.req_line_speed[idx],
			       bp->link_params.req_duplex[idx],
			       bp->link_params.req_flow_ctrl[idx],
			       bp->port.advertising[idx]);
	}
E
Eliezer Tamir 已提交
8322 8323
}

8324 8325 8326 8327 8328 8329 8330 8331
static void __devinit bnx2x_set_mac_buf(u8 *mac_buf, u32 mac_lo, u16 mac_hi)
{
	mac_hi = cpu_to_be16(mac_hi);
	mac_lo = cpu_to_be32(mac_lo);
	memcpy(mac_buf, &mac_hi, sizeof(mac_hi));
	memcpy(mac_buf + sizeof(mac_hi), &mac_lo, sizeof(mac_lo));
}

8332
static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
E
Eliezer Tamir 已提交
8333
{
8334
	int port = BP_PORT(bp);
E
Eilon Greenstein 已提交
8335
	u32 config;
8336
	u32 ext_phy_type, ext_phy_config;
E
Eliezer Tamir 已提交
8337

Y
Yaniv Rosner 已提交
8338
	bp->link_params.bp = bp;
8339
	bp->link_params.port = port;
Y
Yaniv Rosner 已提交
8340 8341

	bp->link_params.lane_config =
E
Eliezer Tamir 已提交
8342
		SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
E
Eilon Greenstein 已提交
8343

Y
Yaniv Rosner 已提交
8344
	bp->link_params.speed_cap_mask[0] =
E
Eliezer Tamir 已提交
8345 8346
		SHMEM_RD(bp,
			 dev_info.port_hw_config[port].speed_capability_mask);
Y
Yaniv Rosner 已提交
8347 8348 8349 8350
	bp->link_params.speed_cap_mask[1] =
		SHMEM_RD(bp,
			 dev_info.port_hw_config[port].speed_capability_mask2);
	bp->port.link_config[0] =
E
Eliezer Tamir 已提交
8351 8352
		SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);

Y
Yaniv Rosner 已提交
8353 8354
	bp->port.link_config[1] =
		SHMEM_RD(bp, dev_info.port_feature_config[port].link_config2);
8355

Y
Yaniv Rosner 已提交
8356 8357
	bp->link_params.multi_phy_config =
		SHMEM_RD(bp, dev_info.port_hw_config[port].multi_phy_config);
8358 8359 8360
	/* If the device is capable of WoL, set the default state according
	 * to the HW
	 */
E
Eilon Greenstein 已提交
8361
	config = SHMEM_RD(bp, dev_info.port_feature_config[port].config);
8362 8363 8364
	bp->wol = (!(bp->flags & NO_WOL_FLAG) &&
		   (config & PORT_FEATURE_WOL_ENABLED));

D
Dmitry Kravkov 已提交
8365
	BNX2X_DEV_INFO("lane_config 0x%08x  "
Y
Yaniv Rosner 已提交
8366
		       "speed_cap_mask0 0x%08x  link_config0 0x%08x\n",
Y
Yaniv Rosner 已提交
8367
		       bp->link_params.lane_config,
Y
Yaniv Rosner 已提交
8368 8369
		       bp->link_params.speed_cap_mask[0],
		       bp->port.link_config[0]);
E
Eliezer Tamir 已提交
8370

Y
Yaniv Rosner 已提交
8371
	bp->link_params.switch_cfg = (bp->port.link_config[0] &
D
Dmitry Kravkov 已提交
8372
				      PORT_FEATURE_CONNECTED_SWITCH_MASK);
Y
Yaniv Rosner 已提交
8373
	bnx2x_phy_probe(&bp->link_params);
Y
Yaniv Rosner 已提交
8374
	bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
E
Eliezer Tamir 已提交
8375 8376 8377

	bnx2x_link_settings_requested(bp);

E
Eilon Greenstein 已提交
8378 8379 8380 8381
	/*
	 * If connected directly, work with the internal PHY, otherwise, work
	 * with the external PHY
	 */
Y
Yaniv Rosner 已提交
8382 8383 8384 8385
	ext_phy_config =
		SHMEM_RD(bp,
			 dev_info.port_hw_config[port].external_phy_config);
	ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
E
Eilon Greenstein 已提交
8386
	if (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
Y
Yaniv Rosner 已提交
8387
		bp->mdio.prtad = bp->port.phy_addr;
E
Eilon Greenstein 已提交
8388 8389 8390 8391

	else if ((ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) &&
		 (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
		bp->mdio.prtad =
Y
Yaniv Rosner 已提交
8392
			XGXS_EXT_PHY_ADDR(ext_phy_config);
8393 8394 8395 8396 8397 8398 8399 8400 8401 8402 8403

	/*
	 * Check if hw lock is required to access MDC/MDIO bus to the PHY(s)
	 * In MF mode, it is set to cover self test cases
	 */
	if (IS_MF(bp))
		bp->port.need_hw_lock = 1;
	else
		bp->port.need_hw_lock = bnx2x_hw_lock_required(bp,
							bp->common.shmem_base,
							bp->common.shmem2_base);
8404
}
E
Eilon Greenstein 已提交
8405

8406 8407 8408 8409 8410 8411 8412 8413 8414 8415 8416 8417 8418 8419 8420
static void __devinit bnx2x_get_mac_hwinfo(struct bnx2x *bp)
{
	u32 val, val2;
	int func = BP_ABS_FUNC(bp);
	int port = BP_PORT(bp);

	if (BP_NOMCP(bp)) {
		BNX2X_ERROR("warning: random MAC workaround active\n");
		random_ether_addr(bp->dev->dev_addr);
	} else if (IS_MF(bp)) {
		val2 = MF_CFG_RD(bp, func_mf_config[func].mac_upper);
		val = MF_CFG_RD(bp, func_mf_config[func].mac_lower);
		if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
		    (val != FUNC_MF_CFG_LOWERMAC_DEFAULT))
			bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
8421 8422

#ifdef BCM_CNIC
8423 8424 8425 8426 8427 8428 8429 8430 8431 8432 8433
		/* iSCSI NPAR MAC */
		if (IS_MF_SI(bp)) {
			u32 cfg = MF_CFG_RD(bp, func_ext_config[func].func_cfg);
			if (cfg & MACP_FUNC_CFG_FLAGS_ISCSI_OFFLOAD) {
				val2 = MF_CFG_RD(bp, func_ext_config[func].
						     iscsi_mac_addr_upper);
				val = MF_CFG_RD(bp, func_ext_config[func].
						    iscsi_mac_addr_lower);
				bnx2x_set_mac_buf(bp->iscsi_mac, val, val2);
			}
		}
8434
#endif
8435 8436 8437 8438 8439 8440 8441 8442 8443 8444 8445 8446 8447 8448 8449 8450 8451 8452
	} else {
		/* in SF read MACs from port configuration */
		val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
		val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
		bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);

#ifdef BCM_CNIC
		val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].
				    iscsi_mac_upper);
		val = SHMEM_RD(bp, dev_info.port_hw_config[port].
				   iscsi_mac_lower);
		bnx2x_set_mac_buf(bp->iscsi_mac, val, val2);
#endif
	}

	memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
	memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);

V
Vladislav Zolotarov 已提交
8453 8454 8455 8456 8457 8458 8459 8460 8461 8462 8463
#ifdef BCM_CNIC
	/* Inform the upper layers about FCoE MAC */
	if (!CHIP_IS_E1x(bp)) {
		if (IS_MF_SD(bp))
			memcpy(bp->fip_mac, bp->dev->dev_addr,
			       sizeof(bp->fip_mac));
		else
			memcpy(bp->fip_mac, bp->iscsi_mac,
			       sizeof(bp->fip_mac));
	}
#endif
8464 8465 8466 8467
}

static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
{
8468 8469 8470
	int /*abs*/func = BP_ABS_FUNC(bp);
	int vn, port;
	u32 val = 0;
8471
	int rc = 0;
E
Eliezer Tamir 已提交
8472

8473
	bnx2x_get_common_hwinfo(bp);
E
Eliezer Tamir 已提交
8474

D
Dmitry Kravkov 已提交
8475 8476 8477 8478 8479
	if (CHIP_IS_E1x(bp)) {
		bp->common.int_block = INT_BLOCK_HC;

		bp->igu_dsb_id = DEF_SB_IGU_ID;
		bp->igu_base_sb = 0;
V
Vladislav Zolotarov 已提交
8480 8481
		bp->igu_sb_cnt = min_t(u8, FP_SB_MAX_E1x,
				       NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
D
Dmitry Kravkov 已提交
8482 8483 8484 8485 8486 8487 8488 8489
	} else {
		bp->common.int_block = INT_BLOCK_IGU;
		val = REG_RD(bp, IGU_REG_BLOCK_CONFIGURATION);
		if (val & IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN) {
			DP(NETIF_MSG_PROBE, "IGU Backward Compatible Mode\n");
			bp->common.int_block |= INT_BLOCK_MODE_BW_COMP;
		} else
			DP(NETIF_MSG_PROBE, "IGU Normal Mode\n");
8490

D
Dmitry Kravkov 已提交
8491 8492 8493 8494 8495 8496 8497 8498 8499
		bnx2x_get_igu_cam_info(bp);

	}
	DP(NETIF_MSG_PROBE, "igu_dsb_id %d  igu_base_sb %d  igu_sb_cnt %d\n",
			     bp->igu_dsb_id, bp->igu_base_sb, bp->igu_sb_cnt);

	/*
	 * Initialize MF configuration
	 */
8500

D
Dmitry Kravkov 已提交
8501 8502
	bp->mf_ov = 0;
	bp->mf_mode = 0;
D
Dmitry Kravkov 已提交
8503
	vn = BP_E1HVN(bp);
8504 8505
	port = BP_PORT(bp);

D
Dmitry Kravkov 已提交
8506
	if (!CHIP_IS_E1(bp) && !BP_NOMCP(bp)) {
8507 8508 8509 8510
		DP(NETIF_MSG_PROBE,
			    "shmem2base 0x%x, size %d, mfcfg offset %d\n",
			    bp->common.shmem2_base, SHMEM2_RD(bp, size),
			    (u32)offsetof(struct shmem2_region, mf_cfg_addr));
D
Dmitry Kravkov 已提交
8511 8512 8513 8514
		if (SHMEM2_HAS(bp, mf_cfg_addr))
			bp->common.mf_cfg_base = SHMEM2_RD(bp, mf_cfg_addr);
		else
			bp->common.mf_cfg_base = bp->common.shmem_base +
8515 8516
				offsetof(struct shmem_region, func_mb) +
				E1H_FUNC_MAX * sizeof(struct drv_func_mb);
8517 8518 8519 8520 8521 8522 8523 8524 8525 8526 8527 8528 8529 8530 8531 8532 8533 8534 8535 8536 8537 8538 8539 8540 8541 8542 8543 8544 8545 8546 8547 8548 8549 8550 8551 8552 8553 8554 8555 8556 8557 8558 8559 8560 8561 8562 8563 8564
		/*
		 * get mf configuration:
		 * 1. existance of MF configuration
		 * 2. MAC address must be legal (check only upper bytes)
		 *    for  Switch-Independent mode;
		 *    OVLAN must be legal for Switch-Dependent mode
		 * 3. SF_MODE configures specific MF mode
		 */
		if (bp->common.mf_cfg_base != SHMEM_MF_CFG_ADDR_NONE) {
			/* get mf configuration */
			val = SHMEM_RD(bp,
				       dev_info.shared_feature_config.config);
			val &= SHARED_FEAT_CFG_FORCE_SF_MODE_MASK;

			switch (val) {
			case SHARED_FEAT_CFG_FORCE_SF_MODE_SWITCH_INDEPT:
				val = MF_CFG_RD(bp, func_mf_config[func].
						mac_upper);
				/* check for legal mac (upper bytes)*/
				if (val != 0xffff) {
					bp->mf_mode = MULTI_FUNCTION_SI;
					bp->mf_config[vn] = MF_CFG_RD(bp,
						   func_mf_config[func].config);
				} else
					DP(NETIF_MSG_PROBE, "illegal MAC "
							    "address for SI\n");
				break;
			case SHARED_FEAT_CFG_FORCE_SF_MODE_MF_ALLOWED:
				/* get OV configuration */
				val = MF_CFG_RD(bp,
					func_mf_config[FUNC_0].e1hov_tag);
				val &= FUNC_MF_CFG_E1HOV_TAG_MASK;

				if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
					bp->mf_mode = MULTI_FUNCTION_SD;
					bp->mf_config[vn] = MF_CFG_RD(bp,
						func_mf_config[func].config);
				} else
					DP(NETIF_MSG_PROBE, "illegal OV for "
							    "SD\n");
				break;
			default:
				/* Unknown configuration: reset mf_config */
				bp->mf_config[vn] = 0;
				DP(NETIF_MSG_PROBE, "Unkown MF mode 0x%x\n",
				   val);
			}
		}
E
Eliezer Tamir 已提交
8565

8566
		BNX2X_DEV_INFO("%s function mode\n",
D
Dmitry Kravkov 已提交
8567
			       IS_MF(bp) ? "multi" : "single");
8568

8569 8570 8571 8572
		switch (bp->mf_mode) {
		case MULTI_FUNCTION_SD:
			val = MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
			      FUNC_MF_CFG_E1HOV_TAG_MASK;
8573
			if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
D
Dmitry Kravkov 已提交
8574
				bp->mf_ov = val;
8575 8576 8577
				BNX2X_DEV_INFO("MF OV for func %d is %d"
					       " (0x%04x)\n", func,
					       bp->mf_ov, bp->mf_ov);
8578
			} else {
8579 8580
				BNX2X_ERR("No valid MF OV for func %d,"
					  "  aborting\n", func);
8581 8582
				rc = -EPERM;
			}
8583 8584 8585 8586 8587 8588 8589 8590 8591
			break;
		case MULTI_FUNCTION_SI:
			BNX2X_DEV_INFO("func %d is in MF "
				       "switch-independent mode\n", func);
			break;
		default:
			if (vn) {
				BNX2X_ERR("VN %d in single function mode,"
					  "  aborting\n", vn);
8592 8593
				rc = -EPERM;
			}
8594
			break;
8595
		}
8596

8597
	}
E
Eliezer Tamir 已提交
8598

D
Dmitry Kravkov 已提交
8599 8600
	/* adjust igu_sb_cnt to MF for E1x */
	if (CHIP_IS_E1x(bp) && IS_MF(bp))
8601 8602
		bp->igu_sb_cnt /= E1HVN_MAX;

D
Dmitry Kravkov 已提交
8603 8604 8605 8606 8607 8608 8609 8610 8611
	/*
	 * adjust E2 sb count: to be removed when FW will support
	 * more then 16 L2 clients
	 */
#define MAX_L2_CLIENTS				16
	if (CHIP_IS_E2(bp))
		bp->igu_sb_cnt = min_t(u8, bp->igu_sb_cnt,
				       MAX_L2_CLIENTS / (IS_MF(bp) ? 4 : 1));

8612 8613 8614
	if (!BP_NOMCP(bp)) {
		bnx2x_get_port_hwinfo(bp);

D
Dmitry Kravkov 已提交
8615 8616 8617
		bp->fw_seq =
			(SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
			 DRV_MSG_SEQ_NUMBER_MASK);
8618 8619 8620
		BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
	}

8621 8622
	/* Get MAC addresses */
	bnx2x_get_mac_hwinfo(bp);
E
Eliezer Tamir 已提交
8623

8624 8625 8626
	return rc;
}

8627 8628 8629 8630 8631 8632 8633 8634 8635 8636 8637 8638 8639 8640 8641 8642 8643 8644 8645 8646 8647 8648 8649 8650 8651 8652 8653 8654 8655 8656 8657 8658 8659 8660 8661 8662 8663 8664 8665 8666 8667 8668 8669 8670 8671 8672 8673 8674 8675 8676 8677 8678 8679 8680 8681 8682 8683 8684 8685 8686 8687 8688 8689 8690
static void __devinit bnx2x_read_fwinfo(struct bnx2x *bp)
{
	int cnt, i, block_end, rodi;
	char vpd_data[BNX2X_VPD_LEN+1];
	char str_id_reg[VENDOR_ID_LEN+1];
	char str_id_cap[VENDOR_ID_LEN+1];
	u8 len;

	cnt = pci_read_vpd(bp->pdev, 0, BNX2X_VPD_LEN, vpd_data);
	memset(bp->fw_ver, 0, sizeof(bp->fw_ver));

	if (cnt < BNX2X_VPD_LEN)
		goto out_not_found;

	i = pci_vpd_find_tag(vpd_data, 0, BNX2X_VPD_LEN,
			     PCI_VPD_LRDT_RO_DATA);
	if (i < 0)
		goto out_not_found;


	block_end = i + PCI_VPD_LRDT_TAG_SIZE +
		    pci_vpd_lrdt_size(&vpd_data[i]);

	i += PCI_VPD_LRDT_TAG_SIZE;

	if (block_end > BNX2X_VPD_LEN)
		goto out_not_found;

	rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
				   PCI_VPD_RO_KEYWORD_MFR_ID);
	if (rodi < 0)
		goto out_not_found;

	len = pci_vpd_info_field_size(&vpd_data[rodi]);

	if (len != VENDOR_ID_LEN)
		goto out_not_found;

	rodi += PCI_VPD_INFO_FLD_HDR_SIZE;

	/* vendor specific info */
	snprintf(str_id_reg, VENDOR_ID_LEN + 1, "%04x", PCI_VENDOR_ID_DELL);
	snprintf(str_id_cap, VENDOR_ID_LEN + 1, "%04X", PCI_VENDOR_ID_DELL);
	if (!strncmp(str_id_reg, &vpd_data[rodi], VENDOR_ID_LEN) ||
	    !strncmp(str_id_cap, &vpd_data[rodi], VENDOR_ID_LEN)) {

		rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
						PCI_VPD_RO_KEYWORD_VENDOR0);
		if (rodi >= 0) {
			len = pci_vpd_info_field_size(&vpd_data[rodi]);

			rodi += PCI_VPD_INFO_FLD_HDR_SIZE;

			if (len < 32 && (len + rodi) <= BNX2X_VPD_LEN) {
				memcpy(bp->fw_ver, &vpd_data[rodi], len);
				bp->fw_ver[len] = ' ';
			}
		}
		return;
	}
out_not_found:
	return;
}

8691 8692
static int __devinit bnx2x_init_bp(struct bnx2x *bp)
{
D
Dmitry Kravkov 已提交
8693
	int func;
8694
	int timer_interval;
8695 8696
	int rc;

8697 8698
	/* Disable interrupt handling until HW is initialized */
	atomic_set(&bp->intr_sem, 1);
E
Eilon Greenstein 已提交
8699
	smp_wmb(); /* Ensure that bp->intr_sem update is SMP-safe */
8700

8701
	mutex_init(&bp->port.phy_mutex);
E
Eilon Greenstein 已提交
8702
	mutex_init(&bp->fw_mb_mutex);
8703
	spin_lock_init(&bp->stats_lock);
8704 8705 8706
#ifdef BCM_CNIC
	mutex_init(&bp->cnic_mutex);
#endif
E
Eliezer Tamir 已提交
8707

8708
	INIT_DELAYED_WORK(&bp->sp_task, bnx2x_sp_task);
8709
	INIT_DELAYED_WORK(&bp->reset_task, bnx2x_reset_task);
8710 8711 8712

	rc = bnx2x_get_hwinfo(bp);

8713 8714 8715
	if (!rc)
		rc = bnx2x_alloc_mem_bp(bp);

8716
	bnx2x_read_fwinfo(bp);
D
Dmitry Kravkov 已提交
8717 8718 8719

	func = BP_FUNC(bp);

8720 8721 8722 8723 8724
	/* need to reset chip if undi was active */
	if (!BP_NOMCP(bp))
		bnx2x_undi_unload(bp);

	if (CHIP_REV_IS_FPGA(bp))
V
Vladislav Zolotarov 已提交
8725
		dev_err(&bp->pdev->dev, "FPGA detected\n");
8726 8727

	if (BP_NOMCP(bp) && (func == 0))
V
Vladislav Zolotarov 已提交
8728 8729
		dev_err(&bp->pdev->dev, "MCP disabled, "
					"must load devices in order!\n");
8730

E
Eilon Greenstein 已提交
8731
	bp->multi_mode = multi_mode;
8732
	bp->int_mode = int_mode;
E
Eilon Greenstein 已提交
8733

D
Dmitry Kravkov 已提交
8734 8735
	bp->dev->features |= NETIF_F_GRO;

8736 8737 8738 8739 8740 8741 8742 8743
	/* Set TPA flags */
	if (disable_tpa) {
		bp->flags &= ~TPA_ENABLE_FLAG;
		bp->dev->features &= ~NETIF_F_LRO;
	} else {
		bp->flags |= TPA_ENABLE_FLAG;
		bp->dev->features |= NETIF_F_LRO;
	}
8744
	bp->disable_tpa = disable_tpa;
8745

8746 8747 8748 8749 8750
	if (CHIP_IS_E1(bp))
		bp->dropless_fc = 0;
	else
		bp->dropless_fc = dropless_fc;

8751
	bp->mrrs = mrrs;
8752

8753 8754 8755 8756
	bp->tx_ring_size = MAX_TX_AVAIL;

	bp->rx_csum = 1;

8757
	/* make sure that the numbers are in the right granularity */
8758 8759
	bp->tx_ticks = (50 / BNX2X_BTR) * BNX2X_BTR;
	bp->rx_ticks = (25 / BNX2X_BTR) * BNX2X_BTR;
8760

8761 8762
	timer_interval = (CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ);
	bp->current_interval = (poll ? poll : timer_interval);
8763 8764 8765 8766 8767 8768

	init_timer(&bp->timer);
	bp->timer.expires = jiffies + bp->current_interval;
	bp->timer.data = (unsigned long) bp;
	bp->timer.function = bnx2x_timer;

S
Shmulik Ravid 已提交
8769
	bnx2x_dcbx_set_state(bp, true, BNX2X_DCBX_ENABLED_ON_NEG_ON);
V
Vladislav Zolotarov 已提交
8770 8771
	bnx2x_dcbx_init_params(bp);

8772
	return rc;
E
Eliezer Tamir 已提交
8773 8774 8775
}


8776 8777 8778
/****************************************************************************
* General service functions
****************************************************************************/
E
Eliezer Tamir 已提交
8779

Y
Yitchak Gertner 已提交
8780
/* called with rtnl_lock */
E
Eliezer Tamir 已提交
8781 8782 8783 8784
static int bnx2x_open(struct net_device *dev)
{
	struct bnx2x *bp = netdev_priv(dev);

E
Eilon Greenstein 已提交
8785 8786
	netif_carrier_off(dev);

E
Eliezer Tamir 已提交
8787 8788
	bnx2x_set_power_state(bp, PCI_D0);

8789 8790 8791 8792 8793 8794 8795 8796 8797 8798 8799 8800 8801 8802 8803 8804 8805 8806 8807 8808 8809 8810 8811 8812 8813 8814 8815 8816 8817 8818 8819 8820 8821 8822
	if (!bnx2x_reset_is_done(bp)) {
		do {
			/* Reset MCP mail box sequence if there is on going
			 * recovery
			 */
			bp->fw_seq = 0;

			/* If it's the first function to load and reset done
			 * is still not cleared it may mean that. We don't
			 * check the attention state here because it may have
			 * already been cleared by a "common" reset but we
			 * shell proceed with "process kill" anyway.
			 */
			if ((bnx2x_get_load_cnt(bp) == 0) &&
				bnx2x_trylock_hw_lock(bp,
				HW_LOCK_RESOURCE_RESERVED_08) &&
				(!bnx2x_leader_reset(bp))) {
				DP(NETIF_MSG_HW, "Recovered in open\n");
				break;
			}

			bnx2x_set_power_state(bp, PCI_D3hot);

			printk(KERN_ERR"%s: Recovery flow hasn't been properly"
			" completed yet. Try again later. If u still see this"
			" message after a few retries then power cycle is"
			" required.\n", bp->dev->name);

			return -EAGAIN;
		} while (0);
	}

	bp->recovery_state = BNX2X_RECOVERY_DONE;

Y
Yitchak Gertner 已提交
8823
	return bnx2x_nic_load(bp, LOAD_OPEN);
E
Eliezer Tamir 已提交
8824 8825
}

Y
Yitchak Gertner 已提交
8826
/* called with rtnl_lock */
E
Eliezer Tamir 已提交
8827 8828 8829 8830 8831
static int bnx2x_close(struct net_device *dev)
{
	struct bnx2x *bp = netdev_priv(dev);

	/* Unload the driver, release IRQs */
Y
Yitchak Gertner 已提交
8832
	bnx2x_nic_unload(bp, UNLOAD_CLOSE);
8833
	bnx2x_set_power_state(bp, PCI_D3hot);
E
Eliezer Tamir 已提交
8834 8835 8836 8837

	return 0;
}

E
Eilon Greenstein 已提交
8838
/* called with netif_tx_lock from dev_mcast.c */
D
Dmitry Kravkov 已提交
8839
void bnx2x_set_rx_mode(struct net_device *dev)
8840 8841 8842 8843 8844 8845 8846 8847 8848 8849 8850 8851 8852 8853 8854
{
	struct bnx2x *bp = netdev_priv(dev);
	u32 rx_mode = BNX2X_RX_MODE_NORMAL;
	int port = BP_PORT(bp);

	if (bp->state != BNX2X_STATE_OPEN) {
		DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
		return;
	}

	DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags);

	if (dev->flags & IFF_PROMISC)
		rx_mode = BNX2X_RX_MODE_PROMISC;
	else if ((dev->flags & IFF_ALLMULTI) ||
8855 8856
		 ((netdev_mc_count(dev) > BNX2X_MAX_MULTICAST) &&
		  CHIP_IS_E1(bp)))
8857 8858 8859
		rx_mode = BNX2X_RX_MODE_ALLMULTI;
	else { /* some multicasts */
		if (CHIP_IS_E1(bp)) {
8860 8861 8862 8863 8864 8865 8866 8867
			/*
			 * set mc list, do not wait as wait implies sleep
			 * and set_rx_mode can be invoked from non-sleepable
			 * context
			 */
			u8 offset = (CHIP_REV_IS_SLOW(bp) ?
				     BNX2X_MAX_EMUL_MULTI*(1 + port) :
				     BNX2X_MAX_MULTICAST*(1 + port));
8868

8869
			bnx2x_set_e1_mc_list(bp, offset);
8870 8871
		} else { /* E1H */
			/* Accept one or more multicasts */
8872
			struct netdev_hw_addr *ha;
8873 8874 8875 8876 8877 8878
			u32 mc_filter[MC_HASH_SIZE];
			u32 crc, bit, regidx;
			int i;

			memset(mc_filter, 0, 4 * MC_HASH_SIZE);

8879
			netdev_for_each_mc_addr(ha, dev) {
J
Johannes Berg 已提交
8880
				DP(NETIF_MSG_IFUP, "Adding mcast MAC: %pM\n",
8881
				   bnx2x_mc_addr(ha));
8882

8883 8884
				crc = crc32c_le(0, bnx2x_mc_addr(ha),
						ETH_ALEN);
8885 8886 8887 8888 8889 8890 8891 8892 8893 8894 8895 8896 8897 8898 8899 8900
				bit = (crc >> 24) & 0xff;
				regidx = bit >> 5;
				bit &= 0x1f;
				mc_filter[regidx] |= (1 << bit);
			}

			for (i = 0; i < MC_HASH_SIZE; i++)
				REG_WR(bp, MC_HASH_OFFSET(bp, i),
				       mc_filter[i]);
		}
	}

	bp->rx_mode = rx_mode;
	bnx2x_set_storm_rx_mode(bp);
}

Y
Yaniv Rosner 已提交
8901
/* called with rtnl_lock */
E
Eilon Greenstein 已提交
8902 8903
static int bnx2x_mdio_read(struct net_device *netdev, int prtad,
			   int devad, u16 addr)
E
Eliezer Tamir 已提交
8904
{
E
Eilon Greenstein 已提交
8905 8906 8907
	struct bnx2x *bp = netdev_priv(netdev);
	u16 value;
	int rc;
E
Eliezer Tamir 已提交
8908

E
Eilon Greenstein 已提交
8909 8910
	DP(NETIF_MSG_LINK, "mdio_read: prtad 0x%x, devad 0x%x, addr 0x%x\n",
	   prtad, devad, addr);
E
Eliezer Tamir 已提交
8911

E
Eilon Greenstein 已提交
8912 8913
	/* The HW expects different devad if CL22 is used */
	devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
Y
Yaniv Rosner 已提交
8914

E
Eilon Greenstein 已提交
8915
	bnx2x_acquire_phy_lock(bp);
Y
Yaniv Rosner 已提交
8916
	rc = bnx2x_phy_read(&bp->link_params, prtad, devad, addr, &value);
E
Eilon Greenstein 已提交
8917 8918
	bnx2x_release_phy_lock(bp);
	DP(NETIF_MSG_LINK, "mdio_read_val 0x%x rc = 0x%x\n", value, rc);
E
Eliezer Tamir 已提交
8919

E
Eilon Greenstein 已提交
8920 8921 8922 8923
	if (!rc)
		rc = value;
	return rc;
}
E
Eliezer Tamir 已提交
8924

E
Eilon Greenstein 已提交
8925 8926 8927 8928 8929 8930 8931 8932 8933 8934 8935 8936
/* called with rtnl_lock */
static int bnx2x_mdio_write(struct net_device *netdev, int prtad, int devad,
			    u16 addr, u16 value)
{
	struct bnx2x *bp = netdev_priv(netdev);
	int rc;

	DP(NETIF_MSG_LINK, "mdio_write: prtad 0x%x, devad 0x%x, addr 0x%x,"
			   " value 0x%x\n", prtad, devad, addr, value);

	/* The HW expects different devad if CL22 is used */
	devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
E
Eliezer Tamir 已提交
8937

E
Eilon Greenstein 已提交
8938
	bnx2x_acquire_phy_lock(bp);
Y
Yaniv Rosner 已提交
8939
	rc = bnx2x_phy_write(&bp->link_params, prtad, devad, addr, value);
E
Eilon Greenstein 已提交
8940 8941 8942
	bnx2x_release_phy_lock(bp);
	return rc;
}
Y
Yaniv Rosner 已提交
8943

E
Eilon Greenstein 已提交
8944 8945 8946 8947 8948
/* called with rtnl_lock */
static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
{
	struct bnx2x *bp = netdev_priv(dev);
	struct mii_ioctl_data *mdio = if_mii(ifr);
E
Eliezer Tamir 已提交
8949

E
Eilon Greenstein 已提交
8950 8951
	DP(NETIF_MSG_LINK, "ioctl: phy id 0x%x, reg 0x%x, val_in 0x%x\n",
	   mdio->phy_id, mdio->reg_num, mdio->val_in);
E
Eliezer Tamir 已提交
8952

E
Eilon Greenstein 已提交
8953 8954 8955 8956
	if (!netif_running(dev))
		return -EAGAIN;

	return mdio_mii_ioctl(&bp->mdio, mdio, cmd);
E
Eliezer Tamir 已提交
8957 8958
}

A
Alexey Dobriyan 已提交
8959
#ifdef CONFIG_NET_POLL_CONTROLLER
E
Eliezer Tamir 已提交
8960 8961 8962 8963 8964 8965 8966 8967 8968 8969
static void poll_bnx2x(struct net_device *dev)
{
	struct bnx2x *bp = netdev_priv(dev);

	disable_irq(bp->pdev->irq);
	bnx2x_interrupt(bp->pdev->irq, dev);
	enable_irq(bp->pdev->irq);
}
#endif

8970 8971 8972 8973
static const struct net_device_ops bnx2x_netdev_ops = {
	.ndo_open		= bnx2x_open,
	.ndo_stop		= bnx2x_close,
	.ndo_start_xmit		= bnx2x_start_xmit,
8974
	.ndo_select_queue	= bnx2x_select_queue,
E
Eilon Greenstein 已提交
8975
	.ndo_set_multicast_list	= bnx2x_set_rx_mode,
8976 8977 8978 8979 8980
	.ndo_set_mac_address	= bnx2x_change_mac_addr,
	.ndo_validate_addr	= eth_validate_addr,
	.ndo_do_ioctl		= bnx2x_ioctl,
	.ndo_change_mtu		= bnx2x_change_mtu,
	.ndo_tx_timeout		= bnx2x_tx_timeout,
A
Alexey Dobriyan 已提交
8981
#ifdef CONFIG_NET_POLL_CONTROLLER
8982 8983 8984 8985
	.ndo_poll_controller	= poll_bnx2x,
#endif
};

8986 8987
static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
				    struct net_device *dev)
E
Eliezer Tamir 已提交
8988 8989 8990 8991 8992 8993 8994
{
	struct bnx2x *bp;
	int rc;

	SET_NETDEV_DEV(dev, &pdev->dev);
	bp = netdev_priv(dev);

8995 8996
	bp->dev = dev;
	bp->pdev = pdev;
E
Eliezer Tamir 已提交
8997
	bp->flags = 0;
D
Dmitry Kravkov 已提交
8998
	bp->pf_num = PCI_FUNC(pdev->devfn);
E
Eliezer Tamir 已提交
8999 9000 9001

	rc = pci_enable_device(pdev);
	if (rc) {
V
Vladislav Zolotarov 已提交
9002 9003
		dev_err(&bp->pdev->dev,
			"Cannot enable PCI device, aborting\n");
E
Eliezer Tamir 已提交
9004 9005 9006 9007
		goto err_out;
	}

	if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
V
Vladislav Zolotarov 已提交
9008 9009
		dev_err(&bp->pdev->dev,
			"Cannot find PCI device base address, aborting\n");
E
Eliezer Tamir 已提交
9010 9011 9012 9013 9014
		rc = -ENODEV;
		goto err_out_disable;
	}

	if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
V
Vladislav Zolotarov 已提交
9015 9016
		dev_err(&bp->pdev->dev, "Cannot find second PCI device"
		       " base address, aborting\n");
E
Eliezer Tamir 已提交
9017 9018 9019 9020
		rc = -ENODEV;
		goto err_out_disable;
	}

9021 9022 9023
	if (atomic_read(&pdev->enable_cnt) == 1) {
		rc = pci_request_regions(pdev, DRV_MODULE_NAME);
		if (rc) {
V
Vladislav Zolotarov 已提交
9024 9025
			dev_err(&bp->pdev->dev,
				"Cannot obtain PCI resources, aborting\n");
9026 9027
			goto err_out_disable;
		}
E
Eliezer Tamir 已提交
9028

9029 9030 9031
		pci_set_master(pdev);
		pci_save_state(pdev);
	}
E
Eliezer Tamir 已提交
9032 9033 9034

	bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
	if (bp->pm_cap == 0) {
V
Vladislav Zolotarov 已提交
9035 9036
		dev_err(&bp->pdev->dev,
			"Cannot find power management capability, aborting\n");
E
Eliezer Tamir 已提交
9037 9038 9039 9040 9041 9042
		rc = -EIO;
		goto err_out_release;
	}

	bp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
	if (bp->pcie_cap == 0) {
V
Vladislav Zolotarov 已提交
9043 9044
		dev_err(&bp->pdev->dev,
			"Cannot find PCI Express capability, aborting\n");
E
Eliezer Tamir 已提交
9045 9046 9047 9048
		rc = -EIO;
		goto err_out_release;
	}

9049
	if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)) == 0) {
E
Eliezer Tamir 已提交
9050
		bp->flags |= USING_DAC_FLAG;
9051
		if (dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64)) != 0) {
V
Vladislav Zolotarov 已提交
9052 9053
			dev_err(&bp->pdev->dev, "dma_set_coherent_mask"
			       " failed, aborting\n");
E
Eliezer Tamir 已提交
9054 9055 9056 9057
			rc = -EIO;
			goto err_out_release;
		}

9058
	} else if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)) != 0) {
V
Vladislav Zolotarov 已提交
9059 9060
		dev_err(&bp->pdev->dev,
			"System does not support DMA, aborting\n");
E
Eliezer Tamir 已提交
9061 9062 9063 9064
		rc = -EIO;
		goto err_out_release;
	}

9065 9066 9067
	dev->mem_start = pci_resource_start(pdev, 0);
	dev->base_addr = dev->mem_start;
	dev->mem_end = pci_resource_end(pdev, 0);
E
Eliezer Tamir 已提交
9068 9069 9070

	dev->irq = pdev->irq;

9071
	bp->regview = pci_ioremap_bar(pdev, 0);
E
Eliezer Tamir 已提交
9072
	if (!bp->regview) {
V
Vladislav Zolotarov 已提交
9073 9074
		dev_err(&bp->pdev->dev,
			"Cannot map register space, aborting\n");
E
Eliezer Tamir 已提交
9075 9076 9077 9078
		rc = -ENOMEM;
		goto err_out_release;
	}

9079
	bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
9080
					min_t(u64, BNX2X_DB_SIZE(bp),
9081
					      pci_resource_len(pdev, 2)));
E
Eliezer Tamir 已提交
9082
	if (!bp->doorbells) {
V
Vladislav Zolotarov 已提交
9083 9084
		dev_err(&bp->pdev->dev,
			"Cannot map doorbell space, aborting\n");
E
Eliezer Tamir 已提交
9085 9086 9087 9088 9089 9090
		rc = -ENOMEM;
		goto err_out_unmap;
	}

	bnx2x_set_power_state(bp, PCI_D0);

9091 9092 9093 9094 9095 9096 9097
	/* clean indirect addresses */
	pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
			       PCICFG_VENDOR_ID_OFFSET);
	REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0 + BP_PORT(bp)*16, 0);
	REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0 + BP_PORT(bp)*16, 0);
	REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0 + BP_PORT(bp)*16, 0);
	REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0 + BP_PORT(bp)*16, 0);
E
Eliezer Tamir 已提交
9098

9099 9100 9101
	/* Reset the load counter */
	bnx2x_clear_load_cnt(bp);

9102
	dev->watchdog_timeo = TX_TIMEOUT;
E
Eliezer Tamir 已提交
9103

9104
	dev->netdev_ops = &bnx2x_netdev_ops;
9105
	bnx2x_set_ethtool_ops(dev);
9106
	dev->features |= NETIF_F_SG;
9107
	dev->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM;
9108 9109
	if (bp->flags & USING_DAC_FLAG)
		dev->features |= NETIF_F_HIGHDMA;
E
Eilon Greenstein 已提交
9110 9111
	dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
	dev->features |= NETIF_F_TSO6;
9112
	dev->features |= (NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX);
E
Eilon Greenstein 已提交
9113 9114

	dev->vlan_features |= NETIF_F_SG;
9115
	dev->vlan_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM;
E
Eilon Greenstein 已提交
9116 9117 9118 9119
	if (bp->flags & USING_DAC_FLAG)
		dev->vlan_features |= NETIF_F_HIGHDMA;
	dev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
	dev->vlan_features |= NETIF_F_TSO6;
E
Eliezer Tamir 已提交
9120

S
Shmulik Ravid 已提交
9121 9122 9123 9124
#ifdef BCM_DCB
	dev->dcbnl_ops = &bnx2x_dcbnl_ops;
#endif

E
Eilon Greenstein 已提交
9125 9126 9127 9128 9129 9130 9131 9132
	/* get_port_hwinfo() will set prtad and mmds properly */
	bp->mdio.prtad = MDIO_PRTAD_NONE;
	bp->mdio.mmds = 0;
	bp->mdio.mode_support = MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22;
	bp->mdio.dev = dev;
	bp->mdio.mdio_read = bnx2x_mdio_read;
	bp->mdio.mdio_write = bnx2x_mdio_write;

E
Eliezer Tamir 已提交
9133 9134 9135 9136 9137 9138 9139 9140 9141 9142 9143 9144 9145
	return 0;

err_out_unmap:
	if (bp->regview) {
		iounmap(bp->regview);
		bp->regview = NULL;
	}
	if (bp->doorbells) {
		iounmap(bp->doorbells);
		bp->doorbells = NULL;
	}

err_out_release:
9146 9147
	if (atomic_read(&pdev->enable_cnt) == 1)
		pci_release_regions(pdev);
E
Eliezer Tamir 已提交
9148 9149 9150 9151 9152 9153 9154 9155 9156

err_out_disable:
	pci_disable_device(pdev);
	pci_set_drvdata(pdev, NULL);

err_out:
	return rc;
}

9157 9158
static void __devinit bnx2x_get_pcie_width_speed(struct bnx2x *bp,
						 int *width, int *speed)
E
Eliezer Tamir 已提交
9159 9160 9161
{
	u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);

9162
	*width = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
E
Eliezer Tamir 已提交
9163

9164 9165
	/* return value of 1=2.5GHz 2=5GHz */
	*speed = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
E
Eliezer Tamir 已提交
9166
}
9167

9168
static int bnx2x_check_firmware(struct bnx2x *bp)
9169
{
9170
	const struct firmware *firmware = bp->firmware;
9171 9172 9173
	struct bnx2x_fw_file_hdr *fw_hdr;
	struct bnx2x_fw_file_section *sections;
	u32 offset, len, num_ops;
9174
	u16 *ops_offsets;
9175
	int i;
9176
	const u8 *fw_ver;
9177 9178 9179 9180 9181 9182 9183 9184 9185 9186 9187 9188 9189

	if (firmware->size < sizeof(struct bnx2x_fw_file_hdr))
		return -EINVAL;

	fw_hdr = (struct bnx2x_fw_file_hdr *)firmware->data;
	sections = (struct bnx2x_fw_file_section *)fw_hdr;

	/* Make sure none of the offsets and sizes make us read beyond
	 * the end of the firmware data */
	for (i = 0; i < sizeof(*fw_hdr) / sizeof(*sections); i++) {
		offset = be32_to_cpu(sections[i].offset);
		len = be32_to_cpu(sections[i].len);
		if (offset + len > firmware->size) {
V
Vladislav Zolotarov 已提交
9190 9191
			dev_err(&bp->pdev->dev,
				"Section %d length is out of bounds\n", i);
9192 9193 9194 9195 9196 9197 9198 9199 9200 9201 9202
			return -EINVAL;
		}
	}

	/* Likewise for the init_ops offsets */
	offset = be32_to_cpu(fw_hdr->init_ops_offsets.offset);
	ops_offsets = (u16 *)(firmware->data + offset);
	num_ops = be32_to_cpu(fw_hdr->init_ops.len) / sizeof(struct raw_op);

	for (i = 0; i < be32_to_cpu(fw_hdr->init_ops_offsets.len) / 2; i++) {
		if (be16_to_cpu(ops_offsets[i]) > num_ops) {
V
Vladislav Zolotarov 已提交
9203 9204
			dev_err(&bp->pdev->dev,
				"Section offset %d is out of bounds\n", i);
9205 9206 9207 9208 9209 9210 9211 9212 9213 9214 9215
			return -EINVAL;
		}
	}

	/* Check FW version */
	offset = be32_to_cpu(fw_hdr->fw_version.offset);
	fw_ver = firmware->data + offset;
	if ((fw_ver[0] != BCM_5710_FW_MAJOR_VERSION) ||
	    (fw_ver[1] != BCM_5710_FW_MINOR_VERSION) ||
	    (fw_ver[2] != BCM_5710_FW_REVISION_VERSION) ||
	    (fw_ver[3] != BCM_5710_FW_ENGINEERING_VERSION)) {
V
Vladislav Zolotarov 已提交
9216 9217
		dev_err(&bp->pdev->dev,
			"Bad FW version:%d.%d.%d.%d. Should be %d.%d.%d.%d\n",
9218 9219 9220 9221 9222
		       fw_ver[0], fw_ver[1], fw_ver[2],
		       fw_ver[3], BCM_5710_FW_MAJOR_VERSION,
		       BCM_5710_FW_MINOR_VERSION,
		       BCM_5710_FW_REVISION_VERSION,
		       BCM_5710_FW_ENGINEERING_VERSION);
9223
		return -EINVAL;
9224 9225 9226 9227 9228
	}

	return 0;
}

9229
static inline void be32_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
9230
{
9231 9232
	const __be32 *source = (const __be32 *)_source;
	u32 *target = (u32 *)_target;
9233 9234 9235 9236 9237 9238 9239 9240 9241 9242
	u32 i;

	for (i = 0; i < n/4; i++)
		target[i] = be32_to_cpu(source[i]);
}

/*
   Ops array is stored in the following format:
   {op(8bit), offset(24bit, big endian), data(32bit, big endian)}
 */
9243
static inline void bnx2x_prep_ops(const u8 *_source, u8 *_target, u32 n)
9244
{
9245 9246
	const __be32 *source = (const __be32 *)_source;
	struct raw_op *target = (struct raw_op *)_target;
9247 9248
	u32 i, j, tmp;

9249
	for (i = 0, j = 0; i < n/8; i++, j += 2) {
9250 9251
		tmp = be32_to_cpu(source[j]);
		target[i].op = (tmp >> 24) & 0xff;
V
Vladislav Zolotarov 已提交
9252 9253
		target[i].offset = tmp & 0xffffff;
		target[i].raw_data = be32_to_cpu(source[j + 1]);
9254 9255
	}
}
9256

9257 9258 9259 9260 9261 9262 9263 9264 9265 9266 9267 9268 9269 9270 9271 9272 9273 9274 9275 9276 9277 9278 9279 9280
/**
 * IRO array is stored in the following format:
 * {base(24bit), m1(16bit), m2(16bit), m3(16bit), size(16bit) }
 */
static inline void bnx2x_prep_iro(const u8 *_source, u8 *_target, u32 n)
{
	const __be32 *source = (const __be32 *)_source;
	struct iro *target = (struct iro *)_target;
	u32 i, j, tmp;

	for (i = 0, j = 0; i < n/sizeof(struct iro); i++) {
		target[i].base = be32_to_cpu(source[j]);
		j++;
		tmp = be32_to_cpu(source[j]);
		target[i].m1 = (tmp >> 16) & 0xffff;
		target[i].m2 = tmp & 0xffff;
		j++;
		tmp = be32_to_cpu(source[j]);
		target[i].m3 = (tmp >> 16) & 0xffff;
		target[i].size = tmp & 0xffff;
		j++;
	}
}

9281
static inline void be16_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
9282
{
9283 9284
	const __be16 *source = (const __be16 *)_source;
	u16 *target = (u16 *)_target;
9285 9286 9287 9288 9289 9290
	u32 i;

	for (i = 0; i < n/2; i++)
		target[i] = be16_to_cpu(source[i]);
}

9291 9292 9293 9294 9295 9296 9297 9298 9299 9300 9301
#define BNX2X_ALLOC_AND_SET(arr, lbl, func)				\
do {									\
	u32 len = be32_to_cpu(fw_hdr->arr.len);				\
	bp->arr = kmalloc(len, GFP_KERNEL);				\
	if (!bp->arr) {							\
		pr_err("Failed to allocate %d bytes for "#arr"\n", len); \
		goto lbl;						\
	}								\
	func(bp->firmware->data + be32_to_cpu(fw_hdr->arr.offset),	\
	     (u8 *)bp->arr, len);					\
} while (0)
9302

9303
int bnx2x_init_firmware(struct bnx2x *bp)
9304
{
B
Ben Hutchings 已提交
9305
	const char *fw_file_name;
9306
	struct bnx2x_fw_file_hdr *fw_hdr;
B
Ben Hutchings 已提交
9307
	int rc;
9308 9309

	if (CHIP_IS_E1(bp))
B
Ben Hutchings 已提交
9310
		fw_file_name = FW_FILE_NAME_E1;
V
Vladislav Zolotarov 已提交
9311
	else if (CHIP_IS_E1H(bp))
B
Ben Hutchings 已提交
9312
		fw_file_name = FW_FILE_NAME_E1H;
D
Dmitry Kravkov 已提交
9313 9314
	else if (CHIP_IS_E2(bp))
		fw_file_name = FW_FILE_NAME_E2;
V
Vladislav Zolotarov 已提交
9315
	else {
9316
		BNX2X_ERR("Unsupported chip revision\n");
V
Vladislav Zolotarov 已提交
9317 9318
		return -EINVAL;
	}
9319

9320
	BNX2X_DEV_INFO("Loading %s\n", fw_file_name);
9321

9322
	rc = request_firmware(&bp->firmware, fw_file_name, &bp->pdev->dev);
9323
	if (rc) {
9324
		BNX2X_ERR("Can't load firmware file %s\n", fw_file_name);
9325 9326 9327 9328 9329
		goto request_firmware_exit;
	}

	rc = bnx2x_check_firmware(bp);
	if (rc) {
9330
		BNX2X_ERR("Corrupt firmware file %s\n", fw_file_name);
9331 9332 9333 9334 9335 9336 9337 9338 9339 9340 9341 9342 9343
		goto request_firmware_exit;
	}

	fw_hdr = (struct bnx2x_fw_file_hdr *)bp->firmware->data;

	/* Initialize the pointers to the init arrays */
	/* Blob */
	BNX2X_ALLOC_AND_SET(init_data, request_firmware_exit, be32_to_cpu_n);

	/* Opcodes */
	BNX2X_ALLOC_AND_SET(init_ops, init_ops_alloc_err, bnx2x_prep_ops);

	/* Offsets */
9344 9345
	BNX2X_ALLOC_AND_SET(init_ops_offsets, init_offsets_alloc_err,
			    be16_to_cpu_n);
9346 9347

	/* STORMs firmware */
9348 9349 9350 9351 9352 9353 9354 9355 9356 9357 9358 9359 9360 9361 9362 9363
	INIT_TSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
			be32_to_cpu(fw_hdr->tsem_int_table_data.offset);
	INIT_TSEM_PRAM_DATA(bp)      = bp->firmware->data +
			be32_to_cpu(fw_hdr->tsem_pram_data.offset);
	INIT_USEM_INT_TABLE_DATA(bp) = bp->firmware->data +
			be32_to_cpu(fw_hdr->usem_int_table_data.offset);
	INIT_USEM_PRAM_DATA(bp)      = bp->firmware->data +
			be32_to_cpu(fw_hdr->usem_pram_data.offset);
	INIT_XSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
			be32_to_cpu(fw_hdr->xsem_int_table_data.offset);
	INIT_XSEM_PRAM_DATA(bp)      = bp->firmware->data +
			be32_to_cpu(fw_hdr->xsem_pram_data.offset);
	INIT_CSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
			be32_to_cpu(fw_hdr->csem_int_table_data.offset);
	INIT_CSEM_PRAM_DATA(bp)      = bp->firmware->data +
			be32_to_cpu(fw_hdr->csem_pram_data.offset);
9364 9365
	/* IRO */
	BNX2X_ALLOC_AND_SET(iro_arr, iro_alloc_err, bnx2x_prep_iro);
9366 9367

	return 0;
9368

9369 9370
iro_alloc_err:
	kfree(bp->init_ops_offsets);
9371 9372 9373 9374 9375 9376 9377 9378 9379 9380
init_offsets_alloc_err:
	kfree(bp->init_ops);
init_ops_alloc_err:
	kfree(bp->init_data);
request_firmware_exit:
	release_firmware(bp->firmware);

	return rc;
}

9381 9382 9383
static inline int bnx2x_set_qm_cid_count(struct bnx2x *bp, int l2_cid_count)
{
	int cid_count = L2_FP_COUNT(l2_cid_count);
9384

9385 9386 9387 9388 9389
#ifdef BCM_CNIC
	cid_count += CNIC_CID_MAX;
#endif
	return roundup(cid_count, QM_CID_ROUND);
}
D
Dmitry Kravkov 已提交
9390

E
Eliezer Tamir 已提交
9391 9392 9393 9394 9395
static int __devinit bnx2x_init_one(struct pci_dev *pdev,
				    const struct pci_device_id *ent)
{
	struct net_device *dev = NULL;
	struct bnx2x *bp;
9396
	int pcie_width, pcie_speed;
9397 9398
	int rc, cid_count;

D
Dmitry Kravkov 已提交
9399 9400 9401 9402 9403 9404 9405 9406 9407 9408 9409
	switch (ent->driver_data) {
	case BCM57710:
	case BCM57711:
	case BCM57711E:
		cid_count = FP_SB_MAX_E1x;
		break;

	case BCM57712:
	case BCM57712E:
		cid_count = FP_SB_MAX_E2;
		break;
E
Eliezer Tamir 已提交
9410

D
Dmitry Kravkov 已提交
9411 9412 9413
	default:
		pr_err("Unknown board_type (%ld), aborting\n",
			   ent->driver_data);
V
Vasiliy Kulikov 已提交
9414
		return -ENODEV;
D
Dmitry Kravkov 已提交
9415 9416
	}

V
Vladislav Zolotarov 已提交
9417
	cid_count += NONE_ETH_CONTEXT_USE + CNIC_CONTEXT_USE;
D
Dmitry Kravkov 已提交
9418

E
Eliezer Tamir 已提交
9419
	/* dev zeroed in init_etherdev */
9420
	dev = alloc_etherdev_mq(sizeof(*bp), cid_count);
9421
	if (!dev) {
V
Vladislav Zolotarov 已提交
9422
		dev_err(&pdev->dev, "Cannot allocate net device\n");
E
Eliezer Tamir 已提交
9423
		return -ENOMEM;
9424
	}
E
Eliezer Tamir 已提交
9425 9426

	bp = netdev_priv(dev);
9427
	bp->msg_enable = debug;
E
Eliezer Tamir 已提交
9428

9429 9430
	pci_set_drvdata(pdev, dev);

9431 9432
	bp->l2_cid_count = cid_count;

9433
	rc = bnx2x_init_dev(pdev, dev);
E
Eliezer Tamir 已提交
9434 9435 9436 9437 9438
	if (rc < 0) {
		free_netdev(dev);
		return rc;
	}

9439
	rc = bnx2x_init_bp(bp);
9440 9441 9442
	if (rc)
		goto init_one_exit;

9443 9444 9445
	/* calc qm_cid_count */
	bp->qm_cid_count = bnx2x_set_qm_cid_count(bp, cid_count);

V
Vladislav Zolotarov 已提交
9446 9447 9448 9449 9450 9451 9452
#ifdef BCM_CNIC
	/* disable FCOE L2 queue for E1x*/
	if (CHIP_IS_E1x(bp))
		bp->flags |= NO_FCOE_FLAG;

#endif

9453 9454 9455 9456 9457 9458 9459 9460
	/* Configure interupt mode: try to enable MSI-X/MSI if
	 * needed, set bp->num_queues appropriately.
	 */
	bnx2x_set_int_mode(bp);

	/* Add all NAPI objects */
	bnx2x_add_all_napi(bp);

9461 9462 9463 9464 9465 9466
	rc = register_netdev(dev);
	if (rc) {
		dev_err(&pdev->dev, "Cannot register net device\n");
		goto init_one_exit;
	}

V
Vladislav Zolotarov 已提交
9467 9468 9469 9470 9471 9472 9473 9474 9475
#ifdef BCM_CNIC
	if (!NO_FCOE(bp)) {
		/* Add storage MAC address */
		rtnl_lock();
		dev_addr_add(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
		rtnl_unlock();
	}
#endif

9476
	bnx2x_get_pcie_width_speed(bp, &pcie_width, &pcie_speed);
9477

V
Vladislav Zolotarov 已提交
9478 9479 9480
	netdev_info(dev, "%s (%c%d) PCI-E x%d %s found at mem %lx,"
	       " IRQ %d, ", board_info[ent->driver_data].name,
	       (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
D
Dmitry Kravkov 已提交
9481 9482 9483 9484
	       pcie_width,
	       ((!CHIP_IS_E2(bp) && pcie_speed == 2) ||
		 (CHIP_IS_E2(bp) && pcie_speed == 1)) ?
						"5GHz (Gen2)" : "2.5GHz",
V
Vladislav Zolotarov 已提交
9485 9486
	       dev->base_addr, bp->pdev->irq);
	pr_cont("node addr %pM\n", dev->dev_addr);
E
Eilon Greenstein 已提交
9487

E
Eliezer Tamir 已提交
9488
	return 0;
9489 9490 9491 9492 9493 9494 9495 9496 9497 9498 9499 9500 9501 9502 9503 9504 9505

init_one_exit:
	if (bp->regview)
		iounmap(bp->regview);

	if (bp->doorbells)
		iounmap(bp->doorbells);

	free_netdev(dev);

	if (atomic_read(&pdev->enable_cnt) == 1)
		pci_release_regions(pdev);

	pci_disable_device(pdev);
	pci_set_drvdata(pdev, NULL);

	return rc;
E
Eliezer Tamir 已提交
9506 9507 9508 9509 9510
}

static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
{
	struct net_device *dev = pci_get_drvdata(pdev);
9511 9512 9513
	struct bnx2x *bp;

	if (!dev) {
V
Vladislav Zolotarov 已提交
9514
		dev_err(&pdev->dev, "BAD net device from bnx2x_init_one\n");
9515 9516 9517
		return;
	}
	bp = netdev_priv(dev);
E
Eliezer Tamir 已提交
9518

V
Vladislav Zolotarov 已提交
9519 9520 9521 9522 9523 9524 9525 9526 9527
#ifdef BCM_CNIC
	/* Delete storage MAC address */
	if (!NO_FCOE(bp)) {
		rtnl_lock();
		dev_addr_del(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
		rtnl_unlock();
	}
#endif

E
Eliezer Tamir 已提交
9528 9529
	unregister_netdev(dev);

9530 9531 9532
	/* Delete all NAPI objects */
	bnx2x_del_all_napi(bp);

9533 9534 9535
	/* Power on: we can't let PCI layer write to us while we are in D3 */
	bnx2x_set_power_state(bp, PCI_D0);

9536 9537
	/* Disable MSI/MSI-X */
	bnx2x_disable_msi(bp);
D
Dmitry Kravkov 已提交
9538

9539 9540 9541
	/* Power off */
	bnx2x_set_power_state(bp, PCI_D3hot);

9542 9543 9544
	/* Make sure RESET task is not scheduled before continuing */
	cancel_delayed_work_sync(&bp->reset_task);

E
Eliezer Tamir 已提交
9545 9546 9547 9548 9549 9550
	if (bp->regview)
		iounmap(bp->regview);

	if (bp->doorbells)
		iounmap(bp->doorbells);

9551 9552
	bnx2x_free_mem_bp(bp);

E
Eliezer Tamir 已提交
9553
	free_netdev(dev);
9554 9555 9556 9557

	if (atomic_read(&pdev->enable_cnt) == 1)
		pci_release_regions(pdev);

E
Eliezer Tamir 已提交
9558 9559 9560 9561
	pci_disable_device(pdev);
	pci_set_drvdata(pdev, NULL);
}

Y
Yitchak Gertner 已提交
9562 9563 9564 9565 9566 9567 9568 9569 9570
static int bnx2x_eeh_nic_unload(struct bnx2x *bp)
{
	int i;

	bp->state = BNX2X_STATE_ERROR;

	bp->rx_mode = BNX2X_RX_MODE_NONE;

	bnx2x_netif_stop(bp, 0);
9571
	netif_carrier_off(bp->dev);
Y
Yitchak Gertner 已提交
9572 9573 9574 9575 9576 9577

	del_timer_sync(&bp->timer);
	bp->stats_state = STATS_STATE_DISABLED;
	DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");

	/* Release IRQs */
9578
	bnx2x_free_irq(bp);
Y
Yitchak Gertner 已提交
9579 9580 9581

	/* Free SKBs, SGEs, TPA pool and driver internals */
	bnx2x_free_skbs(bp);
9582

V
Vladislav Zolotarov 已提交
9583
	for_each_rx_queue(bp, i)
Y
Yitchak Gertner 已提交
9584
		bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
9585

Y
Yitchak Gertner 已提交
9586 9587 9588 9589 9590 9591 9592 9593 9594 9595 9596 9597 9598 9599 9600 9601 9602 9603 9604 9605 9606 9607 9608 9609 9610 9611 9612 9613 9614 9615 9616
	bnx2x_free_mem(bp);

	bp->state = BNX2X_STATE_CLOSED;

	return 0;
}

static void bnx2x_eeh_recover(struct bnx2x *bp)
{
	u32 val;

	mutex_init(&bp->port.phy_mutex);

	bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
	bp->link_params.shmem_base = bp->common.shmem_base;
	BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);

	if (!bp->common.shmem_base ||
	    (bp->common.shmem_base < 0xA0000) ||
	    (bp->common.shmem_base >= 0xC0000)) {
		BNX2X_DEV_INFO("MCP not active\n");
		bp->flags |= NO_MCP_FLAG;
		return;
	}

	val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
	if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
		!= (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
		BNX2X_ERR("BAD MCP validity signature\n");

	if (!BP_NOMCP(bp)) {
D
Dmitry Kravkov 已提交
9617 9618 9619
		bp->fw_seq =
		    (SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
		    DRV_MSG_SEQ_NUMBER_MASK);
Y
Yitchak Gertner 已提交
9620 9621 9622 9623
		BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
	}
}

W
Wendy Xiong 已提交
9624 9625 9626 9627 9628 9629 9630 9631 9632 9633 9634 9635 9636 9637 9638 9639 9640 9641
/**
 * bnx2x_io_error_detected - called when PCI error is detected
 * @pdev: Pointer to PCI device
 * @state: The current pci connection state
 *
 * This function is called after a PCI bus error affecting
 * this device has been detected.
 */
static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
						pci_channel_state_t state)
{
	struct net_device *dev = pci_get_drvdata(pdev);
	struct bnx2x *bp = netdev_priv(dev);

	rtnl_lock();

	netif_device_detach(dev);

9642 9643 9644 9645 9646
	if (state == pci_channel_io_perm_failure) {
		rtnl_unlock();
		return PCI_ERS_RESULT_DISCONNECT;
	}

W
Wendy Xiong 已提交
9647
	if (netif_running(dev))
Y
Yitchak Gertner 已提交
9648
		bnx2x_eeh_nic_unload(bp);
W
Wendy Xiong 已提交
9649 9650 9651 9652 9653 9654 9655 9656 9657 9658 9659 9660 9661 9662 9663 9664 9665 9666 9667 9668 9669 9670 9671 9672 9673 9674 9675 9676 9677 9678 9679 9680 9681 9682 9683 9684 9685 9686 9687 9688 9689 9690 9691 9692 9693 9694 9695 9696 9697 9698 9699 9700

	pci_disable_device(pdev);

	rtnl_unlock();

	/* Request a slot reset */
	return PCI_ERS_RESULT_NEED_RESET;
}

/**
 * bnx2x_io_slot_reset - called after the PCI bus has been reset
 * @pdev: Pointer to PCI device
 *
 * Restart the card from scratch, as if from a cold-boot.
 */
static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
{
	struct net_device *dev = pci_get_drvdata(pdev);
	struct bnx2x *bp = netdev_priv(dev);

	rtnl_lock();

	if (pci_enable_device(pdev)) {
		dev_err(&pdev->dev,
			"Cannot re-enable PCI device after reset\n");
		rtnl_unlock();
		return PCI_ERS_RESULT_DISCONNECT;
	}

	pci_set_master(pdev);
	pci_restore_state(pdev);

	if (netif_running(dev))
		bnx2x_set_power_state(bp, PCI_D0);

	rtnl_unlock();

	return PCI_ERS_RESULT_RECOVERED;
}

/**
 * bnx2x_io_resume - called when traffic can start flowing again
 * @pdev: Pointer to PCI device
 *
 * This callback is called when the error recovery driver tells us that
 * its OK to resume normal operation.
 */
static void bnx2x_io_resume(struct pci_dev *pdev)
{
	struct net_device *dev = pci_get_drvdata(pdev);
	struct bnx2x *bp = netdev_priv(dev);

9701
	if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
D
Dmitry Kravkov 已提交
9702 9703
		printk(KERN_ERR "Handling parity error recovery. "
				"Try again later\n");
9704 9705 9706
		return;
	}

W
Wendy Xiong 已提交
9707 9708
	rtnl_lock();

Y
Yitchak Gertner 已提交
9709 9710
	bnx2x_eeh_recover(bp);

W
Wendy Xiong 已提交
9711
	if (netif_running(dev))
Y
Yitchak Gertner 已提交
9712
		bnx2x_nic_load(bp, LOAD_NORMAL);
W
Wendy Xiong 已提交
9713 9714 9715 9716 9717 9718 9719 9720

	netif_device_attach(dev);

	rtnl_unlock();
}

static struct pci_error_handlers bnx2x_err_handler = {
	.error_detected = bnx2x_io_error_detected,
E
Eilon Greenstein 已提交
9721 9722
	.slot_reset     = bnx2x_io_slot_reset,
	.resume         = bnx2x_io_resume,
W
Wendy Xiong 已提交
9723 9724
};

E
Eliezer Tamir 已提交
9725
static struct pci_driver bnx2x_pci_driver = {
W
Wendy Xiong 已提交
9726 9727 9728 9729 9730 9731 9732
	.name        = DRV_MODULE_NAME,
	.id_table    = bnx2x_pci_tbl,
	.probe       = bnx2x_init_one,
	.remove      = __devexit_p(bnx2x_remove_one),
	.suspend     = bnx2x_suspend,
	.resume      = bnx2x_resume,
	.err_handler = &bnx2x_err_handler,
E
Eliezer Tamir 已提交
9733 9734 9735 9736
};

static int __init bnx2x_init(void)
{
9737 9738
	int ret;

9739
	pr_info("%s", version);
9740

9741 9742
	bnx2x_wq = create_singlethread_workqueue("bnx2x");
	if (bnx2x_wq == NULL) {
9743
		pr_err("Cannot create workqueue\n");
9744 9745 9746
		return -ENOMEM;
	}

9747 9748
	ret = pci_register_driver(&bnx2x_pci_driver);
	if (ret) {
9749
		pr_err("Cannot register driver\n");
9750 9751 9752
		destroy_workqueue(bnx2x_wq);
	}
	return ret;
E
Eliezer Tamir 已提交
9753 9754 9755 9756 9757
}

static void __exit bnx2x_cleanup(void)
{
	pci_unregister_driver(&bnx2x_pci_driver);
9758 9759

	destroy_workqueue(bnx2x_wq);
E
Eliezer Tamir 已提交
9760 9761 9762 9763 9764
}

module_init(bnx2x_init);
module_exit(bnx2x_cleanup);

9765 9766 9767 9768 9769 9770 9771 9772 9773 9774 9775 9776 9777
#ifdef BCM_CNIC

/* count denotes the number of new completions we have seen */
static void bnx2x_cnic_sp_post(struct bnx2x *bp, int count)
{
	struct eth_spe *spe;

#ifdef BNX2X_STOP_ON_ERROR
	if (unlikely(bp->panic))
		return;
#endif

	spin_lock_bh(&bp->spq_lock);
9778
	BUG_ON(bp->cnic_spq_pending < count);
9779 9780 9781
	bp->cnic_spq_pending -= count;


9782 9783 9784 9785 9786 9787 9788 9789 9790 9791 9792 9793 9794 9795 9796 9797 9798 9799 9800 9801 9802 9803 9804 9805 9806 9807 9808 9809
	for (; bp->cnic_kwq_pending; bp->cnic_kwq_pending--) {
		u16 type =  (le16_to_cpu(bp->cnic_kwq_cons->hdr.type)
				& SPE_HDR_CONN_TYPE) >>
				SPE_HDR_CONN_TYPE_SHIFT;

		/* Set validation for iSCSI L2 client before sending SETUP
		 *  ramrod
		 */
		if (type == ETH_CONNECTION_TYPE) {
			u8 cmd = (le32_to_cpu(bp->cnic_kwq_cons->
					     hdr.conn_and_cmd_data) >>
				SPE_HDR_CMD_ID_SHIFT) & 0xff;

			if (cmd == RAMROD_CMD_ID_ETH_CLIENT_SETUP)
				bnx2x_set_ctx_validation(&bp->context.
						vcxt[BNX2X_ISCSI_ETH_CID].eth,
					HW_CID(bp, BNX2X_ISCSI_ETH_CID));
		}

		/* There may be not more than 8 L2 and COMMON SPEs and not more
		 * than 8 L5 SPEs in the air.
		 */
		if ((type == NONE_CONNECTION_TYPE) ||
		    (type == ETH_CONNECTION_TYPE)) {
			if (!atomic_read(&bp->spq_left))
				break;
			else
				atomic_dec(&bp->spq_left);
V
Vladislav Zolotarov 已提交
9810 9811
		} else if ((type == ISCSI_CONNECTION_TYPE) ||
			   (type == FCOE_CONNECTION_TYPE)) {
9812 9813 9814 9815 9816 9817 9818 9819
			if (bp->cnic_spq_pending >=
			    bp->cnic_eth_dev.max_kwqe_pending)
				break;
			else
				bp->cnic_spq_pending++;
		} else {
			BNX2X_ERR("Unknown SPE type: %d\n", type);
			bnx2x_panic();
9820
			break;
9821
		}
9822 9823 9824 9825 9826 9827 9828 9829 9830 9831 9832 9833 9834 9835 9836 9837 9838 9839 9840 9841 9842 9843 9844 9845 9846 9847 9848 9849 9850 9851 9852 9853 9854 9855 9856 9857 9858 9859 9860 9861 9862

		spe = bnx2x_sp_get_next(bp);
		*spe = *bp->cnic_kwq_cons;

		DP(NETIF_MSG_TIMER, "pending on SPQ %d, on KWQ %d count %d\n",
		   bp->cnic_spq_pending, bp->cnic_kwq_pending, count);

		if (bp->cnic_kwq_cons == bp->cnic_kwq_last)
			bp->cnic_kwq_cons = bp->cnic_kwq;
		else
			bp->cnic_kwq_cons++;
	}
	bnx2x_sp_prod_update(bp);
	spin_unlock_bh(&bp->spq_lock);
}

static int bnx2x_cnic_sp_queue(struct net_device *dev,
			       struct kwqe_16 *kwqes[], u32 count)
{
	struct bnx2x *bp = netdev_priv(dev);
	int i;

#ifdef BNX2X_STOP_ON_ERROR
	if (unlikely(bp->panic))
		return -EIO;
#endif

	spin_lock_bh(&bp->spq_lock);

	for (i = 0; i < count; i++) {
		struct eth_spe *spe = (struct eth_spe *)kwqes[i];

		if (bp->cnic_kwq_pending == MAX_SP_DESC_CNT)
			break;

		*bp->cnic_kwq_prod = *spe;

		bp->cnic_kwq_pending++;

		DP(NETIF_MSG_TIMER, "L5 SPQE %x %x %x:%x pos %d\n",
		   spe->hdr.conn_and_cmd_data, spe->hdr.type,
9863 9864
		   spe->data.update_data_addr.hi,
		   spe->data.update_data_addr.lo,
9865 9866 9867 9868 9869 9870 9871 9872 9873 9874 9875 9876 9877 9878 9879 9880 9881 9882 9883 9884 9885 9886 9887 9888 9889 9890 9891 9892 9893 9894 9895 9896 9897 9898 9899 9900 9901 9902 9903 9904 9905 9906 9907 9908 9909 9910 9911
		   bp->cnic_kwq_pending);

		if (bp->cnic_kwq_prod == bp->cnic_kwq_last)
			bp->cnic_kwq_prod = bp->cnic_kwq;
		else
			bp->cnic_kwq_prod++;
	}

	spin_unlock_bh(&bp->spq_lock);

	if (bp->cnic_spq_pending < bp->cnic_eth_dev.max_kwqe_pending)
		bnx2x_cnic_sp_post(bp, 0);

	return i;
}

static int bnx2x_cnic_ctl_send(struct bnx2x *bp, struct cnic_ctl_info *ctl)
{
	struct cnic_ops *c_ops;
	int rc = 0;

	mutex_lock(&bp->cnic_mutex);
	c_ops = bp->cnic_ops;
	if (c_ops)
		rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
	mutex_unlock(&bp->cnic_mutex);

	return rc;
}

static int bnx2x_cnic_ctl_send_bh(struct bnx2x *bp, struct cnic_ctl_info *ctl)
{
	struct cnic_ops *c_ops;
	int rc = 0;

	rcu_read_lock();
	c_ops = rcu_dereference(bp->cnic_ops);
	if (c_ops)
		rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
	rcu_read_unlock();

	return rc;
}

/*
 * for commands that have no data
 */
D
Dmitry Kravkov 已提交
9912
int bnx2x_cnic_notify(struct bnx2x *bp, int cmd)
9913 9914 9915 9916 9917 9918 9919 9920 9921 9922 9923 9924 9925 9926 9927 9928 9929
{
	struct cnic_ctl_info ctl = {0};

	ctl.cmd = cmd;

	return bnx2x_cnic_ctl_send(bp, &ctl);
}

static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid)
{
	struct cnic_ctl_info ctl;

	/* first we tell CNIC and only then we count this as a completion */
	ctl.cmd = CNIC_CTL_COMPLETION_CMD;
	ctl.data.comp.cid = cid;

	bnx2x_cnic_ctl_send_bh(bp, &ctl);
9930
	bnx2x_cnic_sp_post(bp, 0);
9931 9932 9933 9934 9935 9936 9937 9938 9939 9940 9941 9942 9943 9944 9945 9946
}

static int bnx2x_drv_ctl(struct net_device *dev, struct drv_ctl_info *ctl)
{
	struct bnx2x *bp = netdev_priv(dev);
	int rc = 0;

	switch (ctl->cmd) {
	case DRV_CTL_CTXTBL_WR_CMD: {
		u32 index = ctl->data.io.offset;
		dma_addr_t addr = ctl->data.io.dma_addr;

		bnx2x_ilt_wr(bp, index, addr);
		break;
	}

9947 9948
	case DRV_CTL_RET_L5_SPQ_CREDIT_CMD: {
		int count = ctl->data.credit.credit_count;
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		bnx2x_cnic_sp_post(bp, count);
		break;
	}

	/* rtnl_lock is held.  */
	case DRV_CTL_START_L2_CMD: {
		u32 cli = ctl->data.ring.client_id;

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Vladislav Zolotarov 已提交
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		/* Clear FCoE FIP and ALL ENODE MACs addresses first */
		bnx2x_del_fcoe_eth_macs(bp);

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		/* Set iSCSI MAC address */
		bnx2x_set_iscsi_eth_mac_addr(bp, 1);

		mmiowb();
		barrier();

		/* Start accepting on iSCSI L2 ring. Accept all multicasts
		 * because it's the only way for UIO Client to accept
		 * multicasts (in non-promiscuous mode only one Client per
		 * function will receive multicast packets (leading in our
		 * case).
		 */
		bnx2x_rxq_set_mac_filters(bp, cli,
			BNX2X_ACCEPT_UNICAST |
			BNX2X_ACCEPT_BROADCAST |
			BNX2X_ACCEPT_ALL_MULTICAST);
		storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));

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		break;
	}

	/* rtnl_lock is held.  */
	case DRV_CTL_STOP_L2_CMD: {
		u32 cli = ctl->data.ring.client_id;

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		/* Stop accepting on iSCSI L2 ring */
		bnx2x_rxq_set_mac_filters(bp, cli, BNX2X_ACCEPT_NONE);
		storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));

		mmiowb();
		barrier();

		/* Unset iSCSI L2 MAC */
		bnx2x_set_iscsi_eth_mac_addr(bp, 0);
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		break;
	}
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	case DRV_CTL_RET_L2_SPQ_CREDIT_CMD: {
		int count = ctl->data.credit.credit_count;

		smp_mb__before_atomic_inc();
		atomic_add(count, &bp->spq_left);
		smp_mb__after_atomic_inc();
		break;
	}
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	default:
		BNX2X_ERR("unknown command %x\n", ctl->cmd);
		rc = -EINVAL;
	}

	return rc;
}

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void bnx2x_setup_cnic_irq_info(struct bnx2x *bp)
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{
	struct cnic_eth_dev *cp = &bp->cnic_eth_dev;

	if (bp->flags & USING_MSIX_FLAG) {
		cp->drv_state |= CNIC_DRV_STATE_USING_MSIX;
		cp->irq_arr[0].irq_flags |= CNIC_IRQ_FL_MSIX;
		cp->irq_arr[0].vector = bp->msix_table[1].vector;
	} else {
		cp->drv_state &= ~CNIC_DRV_STATE_USING_MSIX;
		cp->irq_arr[0].irq_flags &= ~CNIC_IRQ_FL_MSIX;
	}
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Dmitry Kravkov 已提交
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	if (CHIP_IS_E2(bp))
		cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e2_sb;
	else
		cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e1x_sb;

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	cp->irq_arr[0].status_blk_num = CNIC_SB_ID(bp);
10032
	cp->irq_arr[0].status_blk_num2 = CNIC_IGU_SB_ID(bp);
10033 10034
	cp->irq_arr[1].status_blk = bp->def_status_blk;
	cp->irq_arr[1].status_blk_num = DEF_SB_ID;
10035
	cp->irq_arr[1].status_blk_num2 = DEF_SB_IGU_ID;
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	cp->num_irq = 2;
}

static int bnx2x_register_cnic(struct net_device *dev, struct cnic_ops *ops,
			       void *data)
{
	struct bnx2x *bp = netdev_priv(dev);
	struct cnic_eth_dev *cp = &bp->cnic_eth_dev;

	if (ops == NULL)
		return -EINVAL;

	if (atomic_read(&bp->intr_sem) != 0)
		return -EBUSY;

	bp->cnic_kwq = kzalloc(PAGE_SIZE, GFP_KERNEL);
	if (!bp->cnic_kwq)
		return -ENOMEM;

	bp->cnic_kwq_cons = bp->cnic_kwq;
	bp->cnic_kwq_prod = bp->cnic_kwq;
	bp->cnic_kwq_last = bp->cnic_kwq + MAX_SP_DESC_CNT;

	bp->cnic_spq_pending = 0;
	bp->cnic_kwq_pending = 0;

	bp->cnic_data = data;

	cp->num_irq = 0;
	cp->drv_state = CNIC_DRV_STATE_REGD;
10067
	cp->iro_arr = bp->iro_arr;
10068 10069

	bnx2x_setup_cnic_irq_info(bp);
10070

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	rcu_assign_pointer(bp->cnic_ops, ops);

	return 0;
}

static int bnx2x_unregister_cnic(struct net_device *dev)
{
	struct bnx2x *bp = netdev_priv(dev);
	struct cnic_eth_dev *cp = &bp->cnic_eth_dev;

	mutex_lock(&bp->cnic_mutex);
	cp->drv_state = 0;
	rcu_assign_pointer(bp->cnic_ops, NULL);
	mutex_unlock(&bp->cnic_mutex);
	synchronize_rcu();
	kfree(bp->cnic_kwq);
	bp->cnic_kwq = NULL;

	return 0;
}

struct cnic_eth_dev *bnx2x_cnic_probe(struct net_device *dev)
{
	struct bnx2x *bp = netdev_priv(dev);
	struct cnic_eth_dev *cp = &bp->cnic_eth_dev;

	cp->drv_owner = THIS_MODULE;
	cp->chip_id = CHIP_ID(bp);
	cp->pdev = bp->pdev;
	cp->io_base = bp->regview;
	cp->io_base2 = bp->doorbells;
	cp->max_kwqe_pending = 8;
10103
	cp->ctx_blk_size = CDU_ILT_PAGE_SZ;
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	cp->ctx_tbl_offset = FUNC_ILT_BASE(BP_FUNC(bp)) +
			     bnx2x_cid_ilt_lines(bp);
10106
	cp->ctx_tbl_len = CNIC_ILT_LINES;
10107
	cp->starting_cid = bnx2x_cid_ilt_lines(bp) * ILT_PAGE_CIDS;
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	cp->drv_submit_kwqes_16 = bnx2x_cnic_sp_queue;
	cp->drv_ctl = bnx2x_drv_ctl;
	cp->drv_register_cnic = bnx2x_register_cnic;
	cp->drv_unregister_cnic = bnx2x_unregister_cnic;
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	cp->fcoe_init_cid = BNX2X_FCOE_ETH_CID;
	cp->iscsi_l2_client_id = BNX2X_ISCSI_ETH_CL_ID +
		BP_E1HVN(bp) * NONE_ETH_CONTEXT_USE;
10115 10116 10117 10118 10119 10120 10121 10122
	cp->iscsi_l2_cid = BNX2X_ISCSI_ETH_CID;

	DP(BNX2X_MSG_SP, "page_size %d, tbl_offset %d, tbl_lines %d, "
			 "starting cid %d\n",
	   cp->ctx_blk_size,
	   cp->ctx_tbl_offset,
	   cp->ctx_tbl_len,
	   cp->starting_cid);
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	return cp;
}
EXPORT_SYMBOL(bnx2x_cnic_probe);

#endif /* BCM_CNIC */
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