bnx2x_main.c 268.8 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 1977 1978
	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 {
		vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
				FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
1979
		/* If min rate is zero - set it to 1 */
D
Dmitry Kravkov 已提交
1980
		if (bp->vn_weight_sum && (vn_min_rate == 0))
1981 1982 1983 1984
			vn_min_rate = DEF_MIN_RATE;
		vn_max_rate = ((vn_cfg & FUNC_MF_CFG_MAX_BW_MASK) >>
				FUNC_MF_CFG_MAX_BW_SHIFT) * 100;
	}
D
Dmitry Kravkov 已提交
1985

E
Eilon Greenstein 已提交
1986
	DP(NETIF_MSG_IFUP,
1987
	   "func %d: vn_min_rate %d  vn_max_rate %d  vn_weight_sum %d\n",
E
Eilon Greenstein 已提交
1988
	   func, vn_min_rate, vn_max_rate, bp->vn_weight_sum);
1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999

	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
2000
	if (bp->vn_weight_sum) {
2001 2002
		/* 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
2003 2004 2005
		   vn_weight_sum should not be larger than 10000, thus
		   T_FAIR_COEF / (8 * vn_weight_sum) will always be greater
		   than zero */
2006
		m_fair_vn.vn_credit_delta =
V
Vladislav Zolotarov 已提交
2007 2008 2009 2010
			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",
2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024
		   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
2025

2026 2027 2028 2029
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
2030
	if (IS_MF(bp))
2031 2032 2033 2034 2035 2036 2037
		return CMNG_FNS_MINMAX;

	return CMNG_FNS_NONE;
}

static void bnx2x_read_mf_cfg(struct bnx2x *bp)
{
2038
	int vn, n = (CHIP_MODE_IS_4_PORT(bp) ? 2 : 1);
2039 2040 2041 2042

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

2043 2044 2045 2046 2047 2048 2049 2050 2051 2052 2053
	/* 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
	 */
2054
	for (vn = VN_0; vn < E1HVN_MAX; vn++) {
2055 2056 2057 2058 2059
		int /*abs*/func = n * (2 * vn + BP_PORT(bp)) + BP_PATH(bp);

		if (func >= E1H_FUNC_MAX)
			break;

D
Dmitry Kravkov 已提交
2060
		bp->mf_config[vn] =
2061 2062 2063 2064 2065 2066 2067 2068 2069 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
			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");
}
2101

2102 2103 2104 2105 2106 2107 2108 2109 2110 2111 2112 2113 2114 2115 2116 2117
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
2118

Y
Yaniv Rosner 已提交
2119 2120 2121
/* This function is called upon link interrupt */
static void bnx2x_link_attn(struct bnx2x *bp)
{
2122
	u32 prev_link_status = bp->link_vars.link_status;
Y
Yitchak Gertner 已提交
2123 2124 2125
	/* Make sure that we are synced with the current statistics */
	bnx2x_stats_handle(bp, STATS_EVENT_STOP);

Y
Yaniv Rosner 已提交
2126
	bnx2x_link_update(&bp->link_params, &bp->link_vars);
E
Eliezer Tamir 已提交
2127

Y
Yitchak Gertner 已提交
2128 2129
	if (bp->link_vars.link_up) {

2130
		/* dropless flow control */
D
Dmitry Kravkov 已提交
2131
		if (!CHIP_IS_E1(bp) && bp->dropless_fc) {
2132 2133 2134 2135 2136 2137 2138
			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
2139
			       USTORM_ETH_PAUSE_ENABLED_OFFSET(port),
2140 2141 2142
			       pause_enabled);
		}

Y
Yitchak Gertner 已提交
2143 2144 2145 2146 2147 2148 2149 2150
		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));
		}
2151
		if (bp->state == BNX2X_STATE_OPEN)
Y
Yitchak Gertner 已提交
2152 2153 2154
			bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
	}

2155 2156 2157
	/* indicate link status only if link status actually changed */
	if (prev_link_status != bp->link_vars.link_status)
		bnx2x_link_report(bp);
2158

D
Dmitry Kravkov 已提交
2159 2160
	if (IS_MF(bp))
		bnx2x_link_sync_notify(bp);
2161

D
Dmitry Kravkov 已提交
2162 2163
	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
2164

D
Dmitry Kravkov 已提交
2165 2166 2167 2168 2169 2170 2171
		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");
2172
	}
Y
Yaniv Rosner 已提交
2173
}
E
Eliezer Tamir 已提交
2174

D
Dmitry Kravkov 已提交
2175
void bnx2x__link_status_update(struct bnx2x *bp)
Y
Yaniv Rosner 已提交
2176
{
2177
	if ((bp->state != BNX2X_STATE_OPEN) || (bp->flags & MF_FUNC_DIS))
Y
Yaniv Rosner 已提交
2178
		return;
E
Eliezer Tamir 已提交
2179

Y
Yaniv Rosner 已提交
2180
	bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
E
Eliezer Tamir 已提交
2181

Y
Yitchak Gertner 已提交
2182 2183 2184 2185 2186
	if (bp->link_vars.link_up)
		bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
	else
		bnx2x_stats_handle(bp, STATS_EVENT_STOP);

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Dmitry Kravkov 已提交
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	/* the link status update could be the result of a DCC event
	   hence re-read the shmem mf configuration */
	bnx2x_read_mf_cfg(bp);
2190

Y
Yaniv Rosner 已提交
2191 2192
	/* indicate link status */
	bnx2x_link_report(bp);
E
Eliezer Tamir 已提交
2193 2194
}

2195 2196 2197 2198 2199 2200 2201 2202 2203 2204
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
2205 2206 2207 2208 2209 2210 2211
	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
2212 2213

	bnx2x_stats_handle(bp, STATS_EVENT_PMF);
2214 2215
}

Y
Yaniv Rosner 已提交
2216
/* end of Link */
E
Eliezer Tamir 已提交
2217 2218 2219 2220 2221 2222 2223

/* slow path */

/*
 * General service functions
 */

2224
/* send the MCP a request, block until there is a reply */
Y
Yaniv Rosner 已提交
2225
u32 bnx2x_fw_command(struct bnx2x *bp, u32 command, u32 param)
2226
{
D
Dmitry Kravkov 已提交
2227
	int mb_idx = BP_FW_MB_IDX(bp);
2228 2229 2230 2231 2232
	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
2233
	mutex_lock(&bp->fw_mb_mutex);
D
Dmitry Kravkov 已提交
2234 2235 2236
	SHMEM_WR(bp, func_mb[mb_idx].drv_mb_param, param);
	SHMEM_WR(bp, func_mb[mb_idx].drv_mb_header, (command | seq));

2237 2238 2239 2240 2241 2242
	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
2243
		rc = SHMEM_RD(bp, func_mb[mb_idx].fw_mb_header);
2244

E
Eilon Greenstein 已提交
2245 2246
		/* Give the FW up to 5 second (500*10ms) */
	} while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 500));
2247 2248 2249 2250 2251 2252 2253 2254 2255 2256 2257 2258 2259

	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
2260
	mutex_unlock(&bp->fw_mb_mutex);
2261 2262 2263 2264

	return rc;
}

V
Vladislav Zolotarov 已提交
2265 2266 2267 2268 2269 2270 2271 2272 2273
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;
}

2274
/* must be called under rtnl_lock */
2275
static void bnx2x_rxq_set_mac_filters(struct bnx2x *bp, u16 cl_id, u32 filters)
2276
{
2277
	u32 mask = (1 << cl_id);
2278

2279 2280 2281 2282
	/* 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;
2283

2284 2285 2286
	if (filters & BNX2X_ACCEPT_UNMATCHED_UCAST)
		unmatched_unicast = 1;

2287 2288 2289 2290
	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;
2291 2292 2293 2294 2295 2296 2297 2298
		if (IS_MF_SI(bp)) {
			/*
			 * SI mode defines to accept in promiscuos mode
			 * only unmatched packets
			 */
			unmatched_unicast = 1;
			accp_all_ucast = 0;
		}
2299 2300 2301 2302 2303 2304 2305 2306
	}
	if (filters & BNX2X_ACCEPT_UNICAST) {
		/* accept matched ucast */
		drop_all_ucast = 0;
	}
	if (filters & BNX2X_ACCEPT_MULTICAST) {
		/* accept matched mcast */
		drop_all_mcast = 0;
2307 2308 2309 2310 2311
		if (IS_MF_SI(bp))
			/* since mcast addresses won't arrive with ovlan,
			 * fw needs to accept all of them in
			 * switch-independent mode */
			accp_all_mcast = 1;
2312 2313 2314 2315 2316 2317 2318 2319 2320 2321 2322 2323 2324 2325 2326 2327
	}
	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;
	}
2328

2329 2330 2331
	bp->mac_filters.ucast_drop_all = drop_all_ucast ?
		bp->mac_filters.ucast_drop_all | mask :
		bp->mac_filters.ucast_drop_all & ~mask;
2332

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

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

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

2345 2346 2347 2348 2349 2350 2351 2352 2353 2354 2355
	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;
2356 2357
}

2358
static void bnx2x_func_init(struct bnx2x *bp, struct bnx2x_func_init_params *p)
2359
{
2360 2361
	struct tstorm_eth_function_common_config tcfg = {0};
	u16 rss_flgs;
2362

2363 2364 2365 2366
	/* tpa */
	if (p->func_flgs & FUNC_FLG_TPA)
		tcfg.config_flags |=
		TSTORM_ETH_FUNCTION_COMMON_CONFIG_ENABLE_TPA;
2367

2368 2369 2370 2371 2372 2373 2374 2375 2376 2377 2378 2379 2380 2381 2382 2383 2384
	/* 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);
2385

2386 2387 2388
	/* 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);
2389

2390 2391 2392 2393
	/* statistics */
	if (p->func_flgs & FUNC_FLG_STATS) {
		struct stats_indication_flags stats_flags = {0};
		stats_flags.collect_eth = 1;
2394

2395 2396
		storm_memset_xstats_flags(bp, &stats_flags, p->func_id);
		storm_memset_xstats_addr(bp, p->fw_stat_map, p->func_id);
2397

2398 2399
		storm_memset_tstats_flags(bp, &stats_flags, p->func_id);
		storm_memset_tstats_addr(bp, p->fw_stat_map, p->func_id);
2400

2401 2402
		storm_memset_ustats_flags(bp, &stats_flags, p->func_id);
		storm_memset_ustats_addr(bp, p->fw_stat_map, p->func_id);
2403

2404 2405
		storm_memset_cstats_flags(bp, &stats_flags, p->func_id);
		storm_memset_cstats_addr(bp, p->fw_stat_map, p->func_id);
2406 2407
	}

2408 2409 2410 2411 2412 2413
	/* 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);
	}
2414 2415
}

2416 2417
static inline u16 bnx2x_get_cl_flags(struct bnx2x *bp,
				     struct bnx2x_fastpath *fp)
M
Michael Chan 已提交
2418
{
2419
	u16 flags = 0;
M
Michael Chan 已提交
2420

2421 2422 2423
	/* calculate queue flags */
	flags |= QUEUE_FLG_CACHE_ALIGN;
	flags |= QUEUE_FLG_HC;
2424
	flags |= IS_MF_SD(bp) ? QUEUE_FLG_OV : 0;
M
Michael Chan 已提交
2425

2426 2427 2428 2429 2430 2431
	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
2432 2433
	flags = stat_counter_valid(bp, fp) ?
			(flags | QUEUE_FLG_STATS) : (flags & ~QUEUE_FLG_STATS);
2434 2435 2436 2437 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

	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
2493 2494 2495 2496
	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;
2497 2498 2499 2500 2501 2502 2503 2504 2505 2506 2507 2508 2509 2510 2511 2512 2513 2514 2515

	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
2516 2517 2518 2519 2520 2521

	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;
	}

2522 2523 2524
	txq_init->hc_rate = bp->tx_ticks ? (1000000 / bp->tx_ticks) : 0;
}

2525
static void bnx2x_pf_init(struct bnx2x *bp)
2526 2527 2528 2529 2530 2531 2532 2533
{
	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
2534
		storm_memset_ov(bp, bp->mf_ov, BP_FUNC(bp));
2535

D
Dmitry Kravkov 已提交
2536 2537 2538 2539 2540 2541 2542 2543 2544 2545 2546 2547 2548 2549 2550
	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);
	}

2551 2552 2553
	/* function setup flags */
	flags = (FUNC_FLG_STATS | FUNC_FLG_LEADING | FUNC_FLG_SPQ);

D
Dmitry Kravkov 已提交
2554 2555 2556 2557
	if (CHIP_IS_E1x(bp))
		flags |= (bp->flags & TPA_ENABLE_FLAG) ? FUNC_FLG_TPA : 0;
	else
		flags |= FUNC_FLG_TPA;
2558

2559 2560
	/* function setup */

2561 2562 2563 2564
	/**
	 * Although RSS is meaningless when there is a single HW queue we
	 * still need it enabled in order to have HW Rx hash generated.
	 */
2565 2566 2567 2568 2569
	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;
2570 2571 2572 2573 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

	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
	 */
}

2635 2636 2637 2638 2639 2640 2641 2642 2643 2644 2645 2646 2647 2648 2649 2650 2651 2652 2653 2654
/* 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);
}

2655 2656 2657 2658 2659 2660 2661 2662 2663 2664 2665
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
2666
		if (bp->mf_config[BP_VN(bp)] & FUNC_MF_CFG_FUNC_DISABLED) {
2667 2668 2669 2670 2671 2672 2673 2674 2675 2676 2677 2678 2679
			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) {
2680
		bnx2x_config_mf_bw(bp);
2681 2682 2683 2684 2685 2686 2687 2688 2689 2690 2691 2692 2693 2694 2695 2696 2697 2698 2699 2700 2701 2702 2703 2704 2705 2706 2707
		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
2708 2709 2710 2711 2712 2713 2714
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();

2715
	REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
D
Dmitry Kravkov 已提交
2716
		 bp->spq_prod_idx);
M
Michael Chan 已提交
2717 2718 2719
	mmiowb();
}

E
Eliezer Tamir 已提交
2720
/* the slow path queue is odd since completions arrive on the fastpath ring */
D
Dmitry Kravkov 已提交
2721
int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
D
Dmitry Kravkov 已提交
2722
		  u32 data_hi, u32 data_lo, int common)
E
Eliezer Tamir 已提交
2723
{
M
Michael Chan 已提交
2724
	struct eth_spe *spe;
2725
	u16 type;
E
Eliezer Tamir 已提交
2726 2727 2728 2729 2730 2731

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

2732
	spin_lock_bh(&bp->spq_lock);
E
Eliezer Tamir 已提交
2733

2734
	if (!atomic_read(&bp->spq_left)) {
E
Eliezer Tamir 已提交
2735
		BNX2X_ERR("BUG! SPQ ring full!\n");
2736
		spin_unlock_bh(&bp->spq_lock);
E
Eliezer Tamir 已提交
2737 2738 2739
		bnx2x_panic();
		return -EBUSY;
	}
E
Eliezer Tamir 已提交
2740

M
Michael Chan 已提交
2741 2742
	spe = bnx2x_sp_get_next(bp);

E
Eliezer Tamir 已提交
2743
	/* CID needs port number to be encoded int it */
M
Michael Chan 已提交
2744
	spe->hdr.conn_and_cmd_data =
V
Vladislav Zolotarov 已提交
2745 2746
			cpu_to_le32((command << SPE_HDR_CMD_ID_SHIFT) |
				    HW_CID(bp, cid));
2747

E
Eliezer Tamir 已提交
2748
	if (common)
2749 2750 2751 2752 2753 2754 2755 2756 2757 2758
		/* 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
2759

2760 2761
	type |= ((BP_FUNC(bp) << SPE_HDR_FUNCTION_ID_SHIFT) &
		 SPE_HDR_FUNCTION_ID);
E
Eliezer Tamir 已提交
2762

2763 2764 2765 2766 2767 2768 2769 2770 2771 2772 2773
	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.
		 */
2774
		atomic_dec(&bp->spq_left);
E
Eliezer Tamir 已提交
2775

V
Vladislav Zolotarov 已提交
2776
	DP(BNX2X_MSG_SP/*NETIF_MSG_TIMER*/,
2777 2778
	   "SPQE[%x] (%x:%x)  command %d  hw_cid %x  data (%x:%x) "
	   "type(0x%x) left %x\n",
V
Vladislav Zolotarov 已提交
2779 2780 2781
	   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,
2782
	   HW_CID(bp, cid), data_hi, data_lo, type, atomic_read(&bp->spq_left));
V
Vladislav Zolotarov 已提交
2783

M
Michael Chan 已提交
2784
	bnx2x_sp_prod_update(bp);
2785
	spin_unlock_bh(&bp->spq_lock);
E
Eliezer Tamir 已提交
2786 2787 2788 2789
	return 0;
}

/* acquire split MCP access lock register */
Y
Yitchak Gertner 已提交
2790
static int bnx2x_acquire_alr(struct bnx2x *bp)
E
Eliezer Tamir 已提交
2791
{
2792
	u32 j, val;
2793
	int rc = 0;
E
Eliezer Tamir 已提交
2794 2795

	might_sleep();
2796
	for (j = 0; j < 1000; j++) {
E
Eliezer Tamir 已提交
2797 2798 2799 2800 2801 2802 2803 2804 2805
		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))) {
2806
		BNX2X_ERR("Cannot acquire MCP access lock register\n");
E
Eliezer Tamir 已提交
2807 2808 2809 2810 2811 2812
		rc = -EBUSY;
	}

	return rc;
}

Y
Yitchak Gertner 已提交
2813 2814
/* release split MCP access lock register */
static void bnx2x_release_alr(struct bnx2x *bp)
E
Eliezer Tamir 已提交
2815
{
2816
	REG_WR(bp, GRCBASE_MCP + 0x9c, 0);
E
Eliezer Tamir 已提交
2817 2818
}

2819 2820 2821
#define BNX2X_DEF_SB_ATT_IDX	0x0001
#define BNX2X_DEF_SB_IDX	0x0002

E
Eliezer Tamir 已提交
2822 2823
static inline u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
{
2824
	struct host_sp_status_block *def_sb = bp->def_status_blk;
E
Eliezer Tamir 已提交
2825 2826 2827 2828 2829
	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;
2830
		rc |= BNX2X_DEF_SB_ATT_IDX;
E
Eliezer Tamir 已提交
2831
	}
2832 2833 2834 2835

	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
2836
	}
2837 2838 2839

	/* Do not reorder: indecies reading should complete before handling */
	barrier();
E
Eliezer Tamir 已提交
2840 2841 2842 2843 2844 2845 2846 2847 2848
	return rc;
}

/*
 * slow path service functions
 */

static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
{
2849
	int port = BP_PORT(bp);
E
Eliezer Tamir 已提交
2850 2851
	u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
			      MISC_REG_AEU_MASK_ATTN_FUNC_0;
2852 2853
	u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
				       NIG_REG_MASK_INTERRUPT_PORT0;
E
Eilon Greenstein 已提交
2854
	u32 aeu_mask;
2855
	u32 nig_mask = 0;
D
Dmitry Kravkov 已提交
2856
	u32 reg_addr;
E
Eliezer Tamir 已提交
2857 2858 2859 2860

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

E
Eilon Greenstein 已提交
2861 2862 2863
	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
2864
	DP(NETIF_MSG_HW, "aeu_mask %x  newly asserted %x\n",
E
Eilon Greenstein 已提交
2865
	   aeu_mask, asserted);
2866
	aeu_mask &= ~(asserted & 0x3ff);
E
Eilon Greenstein 已提交
2867
	DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
E
Eliezer Tamir 已提交
2868

E
Eilon Greenstein 已提交
2869 2870
	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
2871

E
Eilon Greenstein 已提交
2872
	DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
E
Eliezer Tamir 已提交
2873
	bp->attn_state |= asserted;
E
Eilon Greenstein 已提交
2874
	DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
E
Eliezer Tamir 已提交
2875 2876 2877 2878

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

2879 2880
			bnx2x_acquire_phy_lock(bp);

2881
			/* save nig interrupt mask */
2882
			nig_mask = REG_RD(bp, nig_int_mask_addr);
2883
			REG_WR(bp, nig_int_mask_addr, 0);
E
Eliezer Tamir 已提交
2884

Y
Yaniv Rosner 已提交
2885
			bnx2x_link_attn(bp);
E
Eliezer Tamir 已提交
2886 2887 2888 2889 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

			/* 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
2931 2932 2933 2934 2935 2936 2937 2938 2939
	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
2940 2941

	/* now set back the mask */
2942
	if (asserted & ATTN_NIG_FOR_FUNC) {
2943
		REG_WR(bp, nig_int_mask_addr, nig_mask);
2944 2945
		bnx2x_release_phy_lock(bp);
	}
E
Eliezer Tamir 已提交
2946 2947
}

E
Eilon Greenstein 已提交
2948 2949 2950
static inline void bnx2x_fan_failure(struct bnx2x *bp)
{
	int port = BP_PORT(bp);
Y
Yaniv Rosner 已提交
2951
	u32 ext_phy_config;
E
Eilon Greenstein 已提交
2952
	/* mark the failure */
Y
Yaniv Rosner 已提交
2953 2954 2955 2956 2957 2958
	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
2959
	SHMEM_WR(bp, dev_info.port_hw_config[port].external_phy_config,
Y
Yaniv Rosner 已提交
2960
		 ext_phy_config);
E
Eilon Greenstein 已提交
2961 2962

	/* log the failure */
V
Vladislav Zolotarov 已提交
2963 2964 2965
	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
2966
}
2967

2968
static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
E
Eliezer Tamir 已提交
2969
{
2970
	int port = BP_PORT(bp);
2971
	int reg_offset;
2972
	u32 val;
2973

2974 2975
	reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
			     MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
2976

2977
	if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
2978 2979 2980 2981 2982 2983 2984

		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
2985
		/* Fan failure attention */
2986
		bnx2x_hw_reset_phy(&bp->link_params);
E
Eilon Greenstein 已提交
2987
		bnx2x_fan_failure(bp);
2988
	}
2989

E
Eilon Greenstein 已提交
2990 2991 2992 2993 2994 2995 2996
	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);
	}

2997 2998 2999 3000 3001 3002 3003
	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",
3004
			  (u32)(attn & HW_INTERRUT_ASSERT_SET_0));
3005 3006
		bnx2x_panic();
	}
3007 3008 3009 3010 3011 3012
}

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

3013
	if (attn & AEU_INPUTS_ATTN_BITS_DOORBELLQ_HW_INTERRUPT) {
3014 3015 3016 3017 3018 3019 3020

		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");
	}
3021 3022 3023 3024 3025 3026 3027 3028 3029 3030 3031 3032 3033 3034

	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",
3035
			  (u32)(attn & HW_INTERRUT_ASSERT_SET_1));
3036 3037
		bnx2x_panic();
	}
3038 3039 3040 3041 3042 3043 3044 3045 3046 3047 3048 3049 3050 3051 3052 3053 3054 3055 3056 3057 3058 3059
}

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
3060 3061 3062 3063
		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);
		}
3064
	}
3065 3066 3067 3068 3069 3070 3071 3072 3073 3074 3075 3076 3077 3078

	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",
3079
			  (u32)(attn & HW_INTERRUT_ASSERT_SET_2));
3080 3081
		bnx2x_panic();
	}
3082 3083 3084 3085
}

static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
{
3086 3087
	u32 val;

3088 3089
	if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {

3090 3091 3092 3093
		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
3094 3095 3096 3097
			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);
3098 3099 3100
			if (val & DRV_STATUS_DCC_EVENT_MASK)
				bnx2x_dcc_event(bp,
					    (val & DRV_STATUS_DCC_EVENT_MASK));
3101 3102 3103 3104

			if (val & DRV_STATUS_SET_MF_BW)
				bnx2x_set_mf_bw(bp);

3105
			bnx2x__link_status_update(bp);
3106
			if ((bp->port.pmf == 0) && (val & DRV_STATUS_PMF))
3107 3108
				bnx2x_pmf_update(bp);

V
Vladislav Zolotarov 已提交
3109
			if (bp->port.pmf &&
S
Shmulik Ravid 已提交
3110 3111
			    (val & DRV_STATUS_DCBX_NEGOTIATION_RESULTS) &&
				bp->dcbx_enabled > 0)
V
Vladislav Zolotarov 已提交
3112 3113 3114
				/* start dcbx state machine */
				bnx2x_dcbx_set_params(bp,
					BNX2X_DCBX_STATE_NEG_RECEIVED);
3115
		} else if (attn & BNX2X_MC_ASSERT_BITS) {
3116 3117 3118 3119 3120 3121 3122 3123 3124 3125 3126 3127

			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);
3128
			bnx2x_fw_dump(bp);
3129 3130 3131 3132 3133 3134

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

	if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
3135 3136
		BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
		if (attn & BNX2X_GRC_TIMEOUT) {
D
Dmitry Kravkov 已提交
3137 3138
			val = CHIP_IS_E1(bp) ? 0 :
					REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN);
3139 3140 3141
			BNX2X_ERR("GRC time-out 0x%08x\n", val);
		}
		if (attn & BNX2X_GRC_RSV) {
D
Dmitry Kravkov 已提交
3142 3143
			val = CHIP_IS_E1(bp) ? 0 :
					REG_RD(bp, MISC_REG_GRC_RSV_ATTN);
3144 3145
			BNX2X_ERR("GRC reserved 0x%08x\n", val);
		}
3146 3147 3148 3149
		REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
	}
}

3150 3151 3152 3153 3154
#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
3155

3156 3157 3158 3159 3160 3161 3162 3163 3164 3165 3166 3167 3168 3169 3170 3171 3172 3173 3174 3175 3176 3177 3178 3179 3180 3181 3182
/*
 * 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
3183
bool bnx2x_reset_is_done(struct bnx2x *bp)
3184 3185 3186 3187 3188 3189 3190 3191 3192
{
	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
3193
inline void bnx2x_inc_load_cnt(struct bnx2x *bp)
3194 3195 3196 3197 3198 3199 3200 3201 3202 3203 3204 3205 3206 3207
{
	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
3208
u32 bnx2x_dec_load_cnt(struct bnx2x *bp)
3209 3210 3211 3212 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
{
	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
3426
bool bnx2x_chk_parity_attn(struct bnx2x *bp)
3427
{
E
Eliezer Tamir 已提交
3428
	struct attn_route attn;
3429 3430 3431 3432 3433 3434 3435 3436 3437 3438 3439 3440 3441 3442 3443 3444 3445 3446 3447
	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
3448 3449 3450 3451 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

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)));
	}

}

3516 3517 3518
static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
{
	struct attn_route attn, *group_mask;
3519
	int port = BP_PORT(bp);
3520
	int index;
E
Eliezer Tamir 已提交
3521 3522
	u32 reg_addr;
	u32 val;
E
Eilon Greenstein 已提交
3523
	u32 aeu_mask;
E
Eliezer Tamir 已提交
3524 3525 3526

	/* need to take HW lock because MCP or other port might also
	   try to handle this event */
Y
Yitchak Gertner 已提交
3527
	bnx2x_acquire_alr(bp);
E
Eliezer Tamir 已提交
3528

3529
	if (CHIP_PARITY_ENABLED(bp) && bnx2x_chk_parity_attn(bp)) {
3530 3531 3532 3533 3534 3535 3536 3537 3538 3539 3540 3541
		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
3542 3543 3544 3545
	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
3546 3547 3548 3549 3550 3551 3552 3553
	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
3554 3555 3556

	for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
		if (deasserted & (1 << index)) {
3557
			group_mask = &bp->attn_group[index];
E
Eliezer Tamir 已提交
3558

D
Dmitry Kravkov 已提交
3559 3560 3561 3562 3563 3564
			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
3565

D
Dmitry Kravkov 已提交
3566 3567
			bnx2x_attn_int_deasserted4(bp,
					attn.sig[4] & group_mask->sig[4]);
3568
			bnx2x_attn_int_deasserted3(bp,
3569
					attn.sig[3] & group_mask->sig[3]);
3570
			bnx2x_attn_int_deasserted1(bp,
3571
					attn.sig[1] & group_mask->sig[1]);
3572
			bnx2x_attn_int_deasserted2(bp,
3573
					attn.sig[2] & group_mask->sig[2]);
3574
			bnx2x_attn_int_deasserted0(bp,
3575
					attn.sig[0] & group_mask->sig[0]);
E
Eliezer Tamir 已提交
3576 3577 3578
		}
	}

Y
Yitchak Gertner 已提交
3579
	bnx2x_release_alr(bp);
E
Eliezer Tamir 已提交
3580

D
Dmitry Kravkov 已提交
3581 3582 3583 3584 3585
	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
3586 3587

	val = ~deasserted;
D
Dmitry Kravkov 已提交
3588 3589
	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);
3590
	REG_WR(bp, reg_addr, val);
E
Eliezer Tamir 已提交
3591 3592

	if (~bp->attn_state & deasserted)
E
Eilon Greenstein 已提交
3593
		BNX2X_ERR("IGU ERROR\n");
E
Eliezer Tamir 已提交
3594 3595 3596 3597

	reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
			  MISC_REG_AEU_MASK_ATTN_FUNC_0;

E
Eilon Greenstein 已提交
3598 3599 3600 3601 3602
	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);
3603
	aeu_mask |= (deasserted & 0x3ff);
E
Eilon Greenstein 已提交
3604
	DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
E
Eliezer Tamir 已提交
3605

E
Eilon Greenstein 已提交
3606 3607
	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
3608 3609 3610 3611 3612 3613 3614 3615 3616

	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
3617 3618 3619 3620
	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
3621 3622 3623 3624 3625 3626 3627 3628 3629 3630 3631
	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))
3632
		BNX2X_ERR("BAD attention state\n");
E
Eliezer Tamir 已提交
3633 3634 3635 3636 3637 3638 3639 3640 3641

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

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

3642 3643 3644 3645 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
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",
3695
			hw_cons, sw_cons, atomic_read(&bp->spq_left));
3696 3697 3698 3699 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

	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
3725 3726 3727
			if (cid == BNX2X_FCOE_ETH_CID)
				bnx2x_fcoe(bp, state) = BNX2X_FP_STATE_CLOSED;
			else
3728
#endif
V
Vladislav Zolotarov 已提交
3729
				bnx2x_fp(bp, cid, state) =
3730 3731 3732
						BNX2X_FP_STATE_CLOSED;

			goto next_spqe;
V
Vladislav Zolotarov 已提交
3733 3734 3735 3736 3737 3738 3739 3740 3741

		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;
3742 3743 3744 3745 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
		}

		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 */

3777 3778
	smp_mb__before_atomic_inc();
	atomic_add(spqe_cnt, &bp->spq_left);
3779 3780 3781 3782 3783 3784 3785 3786 3787 3788

	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
3789 3790
static void bnx2x_sp_task(struct work_struct *work)
{
3791
	struct bnx2x *bp = container_of(work, struct bnx2x, sp_task.work);
E
Eliezer Tamir 已提交
3792 3793 3794 3795
	u16 status;

	/* Return here if interrupt is disabled */
	if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
3796
		DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
E
Eliezer Tamir 已提交
3797 3798 3799 3800
		return;
	}

	status = bnx2x_update_dsb_idx(bp);
3801 3802
/*	if (status == 0)				     */
/*		BNX2X_ERR("spurious slowpath interrupt!\n"); */
E
Eliezer Tamir 已提交
3803

V
Vladislav Zolotarov 已提交
3804
	DP(NETIF_MSG_INTR, "got a slowpath interrupt (status 0x%x)\n", status);
E
Eliezer Tamir 已提交
3805

3806
	/* HW attentions */
3807
	if (status & BNX2X_DEF_SB_ATT_IDX) {
E
Eliezer Tamir 已提交
3808
		bnx2x_attn_int(bp);
3809
		status &= ~BNX2X_DEF_SB_ATT_IDX;
V
Vladislav Zolotarov 已提交
3810 3811
	}

3812 3813
	/* SP events: STAT_QUERY and others */
	if (status & BNX2X_DEF_SB_IDX) {
V
Vladislav Zolotarov 已提交
3814 3815
#ifdef BCM_CNIC
		struct bnx2x_fastpath *fp = bnx2x_fcoe_fp(bp);
3816

V
Vladislav Zolotarov 已提交
3817 3818 3819 3820
		if ((!NO_FCOE(bp)) &&
			(bnx2x_has_rx_work(fp) || bnx2x_has_tx_work(fp)))
			napi_schedule(&bnx2x_fcoe(bp, napi));
#endif
3821 3822 3823 3824 3825 3826 3827
		/* 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
3828 3829 3830 3831 3832
	}

	if (unlikely(status))
		DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
		   status);
E
Eliezer Tamir 已提交
3833

3834 3835
	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
3836 3837
}

D
Dmitry Kravkov 已提交
3838
irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
E
Eliezer Tamir 已提交
3839 3840 3841 3842 3843 3844
{
	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)) {
3845
		DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
E
Eliezer Tamir 已提交
3846 3847 3848
		return IRQ_HANDLED;
	}

3849 3850
	bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0,
		     IGU_INT_DISABLE, 0);
E
Eliezer Tamir 已提交
3851 3852 3853 3854 3855 3856

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

3857 3858 3859 3860 3861 3862 3863 3864 3865 3866 3867
#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
3868
	queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
E
Eliezer Tamir 已提交
3869 3870 3871 3872 3873 3874 3875 3876 3877 3878 3879 3880 3881 3882

	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
3883
		goto timer_restart;
E
Eliezer Tamir 已提交
3884 3885 3886 3887 3888

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

3889
		bnx2x_tx_int(fp);
E
Eliezer Tamir 已提交
3890 3891 3892
		rc = bnx2x_rx_int(fp, 1000);
	}

3893
	if (!BP_NOMCP(bp)) {
D
Dmitry Kravkov 已提交
3894
		int mb_idx = BP_FW_MB_IDX(bp);
E
Eliezer Tamir 已提交
3895 3896 3897 3898 3899 3900 3901
		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
3902
		SHMEM_WR(bp, func_mb[mb_idx].drv_pulse_mb, drv_pulse);
E
Eliezer Tamir 已提交
3903

D
Dmitry Kravkov 已提交
3904
		mcp_pulse = (SHMEM_RD(bp, func_mb[mb_idx].mcp_pulse_mb) &
E
Eliezer Tamir 已提交
3905 3906 3907 3908 3909 3910 3911 3912 3913 3914 3915 3916
			     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);
		}
	}

3917
	if (bp->state == BNX2X_STATE_OPEN)
Y
Yitchak Gertner 已提交
3918
		bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
E
Eliezer Tamir 已提交
3919

E
Eliezer Tamir 已提交
3920
timer_restart:
E
Eliezer Tamir 已提交
3921 3922 3923 3924 3925 3926 3927 3928 3929 3930 3931
	mod_timer(&bp->timer, jiffies + bp->current_interval);
}

/* end of Statistics */

/* nic init */

/*
 * nic init service functions
 */

3932
static inline void bnx2x_fill(struct bnx2x *bp, u32 addr, int fill, u32 len)
E
Eliezer Tamir 已提交
3933
{
3934 3935 3936 3937 3938 3939 3940
	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);
3941 3942 3943

}

3944 3945 3946 3947 3948
/* 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)
3949
{
E
Eliezer Tamir 已提交
3950
	int index;
3951 3952 3953 3954 3955 3956
	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
3957

3958 3959 3960 3961
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
3962
	struct hc_status_block_data_e2 sb_data_e2;
3963
	struct hc_status_block_data_e1x sb_data_e1x;
E
Eliezer Tamir 已提交
3964

3965
	/* disable the function first */
D
Dmitry Kravkov 已提交
3966 3967 3968 3969 3970 3971 3972 3973 3974 3975 3976 3977 3978 3979 3980 3981
	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);
	}
3982
	bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
E
Eliezer Tamir 已提交
3983

3984 3985 3986 3987 3988 3989 3990
	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);
}
3991

3992 3993 3994 3995 3996 3997 3998 3999 4000 4001 4002
/* 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));
4003 4004
}

4005
static inline void bnx2x_zero_sp_sb(struct bnx2x *bp)
4006 4007
{
	int func = BP_FUNC(bp);
4008 4009
	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
4010

4011 4012 4013 4014 4015 4016 4017 4018 4019 4020 4021 4022 4023 4024 4025 4026 4027 4028 4029 4030 4031 4032 4033 4034
	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
4035 4036
}

4037
static void bnx2x_init_sb(struct bnx2x *bp, dma_addr_t mapping, int vfid,
4038
			  u8 vf_valid, int fw_sb_id, int igu_sb_id)
E
Eliezer Tamir 已提交
4039
{
4040 4041
	int igu_seg_id;

D
Dmitry Kravkov 已提交
4042
	struct hc_status_block_data_e2 sb_data_e2;
4043 4044 4045 4046 4047 4048
	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
4049 4050 4051 4052
	if (CHIP_INT_MODE_IS_BC(bp))
		igu_seg_id = HC_SEG_ACCESS_NORM;
	else
		igu_seg_id = IGU_SEG_ACCESS_NORM;
4053 4054 4055

	bnx2x_zero_fp_sb(bp, fw_sb_id);

D
Dmitry Kravkov 已提交
4056 4057 4058 4059 4060 4061 4062 4063 4064 4065 4066 4067 4068 4069 4070 4071 4072 4073 4074 4075 4076 4077 4078 4079 4080 4081 4082 4083
	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);
	}
4084 4085 4086 4087 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

	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
4116

4117 4118 4119 4120 4121 4122
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;
4123 4124
	int port = BP_PORT(bp);
	int func = BP_FUNC(bp);
4125
	int reg_offset;
E
Eliezer Tamir 已提交
4126
	u64 section;
4127 4128 4129 4130
	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
4131 4132 4133 4134 4135 4136 4137
	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
4138 4139

	/* ATTN */
4140
	section = ((u64)mapping) + offsetof(struct host_sp_status_block,
E
Eliezer Tamir 已提交
4141
					    atten_status_block);
4142
	def_sb->atten_status_block.status_block_id = igu_sp_sb_index;
E
Eliezer Tamir 已提交
4143

4144 4145
	bp->attn_state = 0;

E
Eliezer Tamir 已提交
4146 4147
	reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
			     MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
4148
	for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
4149 4150 4151 4152 4153
		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
4154 4155 4156 4157 4158 4159 4160 4161 4162 4163 4164

		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
4165 4166
	}

D
Dmitry Kravkov 已提交
4167 4168 4169 4170 4171 4172 4173 4174 4175 4176
	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
4177

4178 4179
	section = ((u64)mapping) + offsetof(struct host_sp_status_block,
					    sp_sb);
E
Eliezer Tamir 已提交
4180

4181
	bnx2x_zero_sp_sb(bp);
E
Eliezer Tamir 已提交
4182

4183 4184 4185 4186 4187
	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
4188
	sp_sb_data.p_func.vnic_id	= BP_VN(bp);
4189
	sp_sb_data.p_func.vf_id		= 0xff;
E
Eliezer Tamir 已提交
4190

4191
	bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
4192

Y
Yitchak Gertner 已提交
4193
	bp->stats_pending = 0;
Y
Yitchak Gertner 已提交
4194
	bp->set_mac_pending = 0;
Y
Yitchak Gertner 已提交
4195

4196
	bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0, IGU_INT_ENABLE, 0);
E
Eliezer Tamir 已提交
4197 4198
}

D
Dmitry Kravkov 已提交
4199
void bnx2x_update_coalesce(struct bnx2x *bp)
E
Eliezer Tamir 已提交
4200 4201 4202
{
	int i;

V
Vladislav Zolotarov 已提交
4203
	for_each_eth_queue(bp, i)
4204 4205
		bnx2x_update_coalesce_sb(bp, bp->fp[i].fw_sb_id,
					 bp->rx_ticks, bp->tx_ticks);
E
Eliezer Tamir 已提交
4206 4207 4208 4209 4210
}

static void bnx2x_init_sp_ring(struct bnx2x *bp)
{
	spin_lock_init(&bp->spq_lock);
4211
	atomic_set(&bp->spq_left, MAX_SPQ_PENDING);
E
Eliezer Tamir 已提交
4212 4213 4214 4215 4216 4217 4218

	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;
}

4219
static void bnx2x_init_eq_ring(struct bnx2x *bp)
E
Eliezer Tamir 已提交
4220 4221
{
	int i;
4222 4223 4224
	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
4225

4226 4227 4228 4229 4230 4231
		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
4232
	}
4233 4234 4235
	bp->eq_cons = 0;
	bp->eq_prod = NUM_EQ_DESC;
	bp->eq_cons_sb = BNX2X_EQ_INDEX;
E
Eliezer Tamir 已提交
4236 4237 4238 4239
}

static void bnx2x_init_ind_table(struct bnx2x *bp)
{
4240
	int func = BP_FUNC(bp);
E
Eliezer Tamir 已提交
4241 4242
	int i;

E
Eilon Greenstein 已提交
4243
	if (bp->multi_mode == ETH_RSS_MODE_DISABLED)
E
Eliezer Tamir 已提交
4244 4245
		return;

E
Eilon Greenstein 已提交
4246 4247
	DP(NETIF_MSG_IFUP,
	   "Initializing indirection table  multi_mode %d\n", bp->multi_mode);
E
Eliezer Tamir 已提交
4248
	for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
4249
		REG_WR8(bp, BAR_TSTRORM_INTMEM +
4250
			TSTORM_INDIRECTION_TABLE_OFFSET(func) + i,
V
Vladislav Zolotarov 已提交
4251 4252
			bp->fp->cl_id + (i % (bp->num_queues -
				NONE_ETH_CONTEXT_USE)));
E
Eliezer Tamir 已提交
4253 4254
}

D
Dmitry Kravkov 已提交
4255
void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
E
Eliezer Tamir 已提交
4256
{
4257
	int mode = bp->rx_mode;
V
Vladislav Zolotarov 已提交
4258
	int port = BP_PORT(bp);
4259
	u16 cl_id;
V
Vladislav Zolotarov 已提交
4260
	u32 def_q_filters = 0;
4261

4262 4263 4264 4265 4266 4267
	/* 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
4268 4269 4270

	switch (mode) {
	case BNX2X_RX_MODE_NONE: /* no Rx */
V
Vladislav Zolotarov 已提交
4271 4272 4273 4274 4275 4276 4277
		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
4278
		break;
E
Eilon Greenstein 已提交
4279

E
Eliezer Tamir 已提交
4280
	case BNX2X_RX_MODE_NORMAL:
V
Vladislav Zolotarov 已提交
4281 4282 4283 4284 4285 4286 4287
		def_q_filters |= BNX2X_ACCEPT_UNICAST | BNX2X_ACCEPT_BROADCAST |
				BNX2X_ACCEPT_MULTICAST;
#ifdef BCM_CNIC
		cl_id = bnx2x_fcoe(bp, cl_id);
		bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_UNICAST |
					  BNX2X_ACCEPT_MULTICAST);
#endif
E
Eliezer Tamir 已提交
4288
		break;
E
Eilon Greenstein 已提交
4289

E
Eliezer Tamir 已提交
4290
	case BNX2X_RX_MODE_ALLMULTI:
V
Vladislav Zolotarov 已提交
4291 4292 4293 4294 4295 4296 4297
		def_q_filters |= BNX2X_ACCEPT_UNICAST | BNX2X_ACCEPT_BROADCAST |
				BNX2X_ACCEPT_ALL_MULTICAST;
#ifdef BCM_CNIC
		cl_id = bnx2x_fcoe(bp, cl_id);
		bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_UNICAST |
					  BNX2X_ACCEPT_MULTICAST);
#endif
E
Eliezer Tamir 已提交
4298
		break;
E
Eilon Greenstein 已提交
4299

E
Eliezer Tamir 已提交
4300
	case BNX2X_RX_MODE_PROMISC:
V
Vladislav Zolotarov 已提交
4301 4302 4303 4304 4305 4306
		def_q_filters |= BNX2X_PROMISCUOUS_MODE;
#ifdef BCM_CNIC
		cl_id = bnx2x_fcoe(bp, cl_id);
		bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_UNICAST |
					  BNX2X_ACCEPT_MULTICAST);
#endif
4307 4308
		/* 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
4309
		break;
E
Eilon Greenstein 已提交
4310

E
Eliezer Tamir 已提交
4311
	default:
4312 4313
		BNX2X_ERR("BAD rx mode (%d)\n", mode);
		break;
E
Eliezer Tamir 已提交
4314 4315
	}

V
Vladislav Zolotarov 已提交
4316 4317 4318
	cl_id = BP_L_ID(bp);
	bnx2x_rxq_set_mac_filters(bp, cl_id, def_q_filters);

4319
	REG_WR(bp,
V
Vladislav Zolotarov 已提交
4320 4321
	       (port ? NIG_REG_LLH1_BRB1_DRV_MASK :
		       NIG_REG_LLH0_BRB1_DRV_MASK), llh_mask);
4322

4323 4324
	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
4325 4326
		"accp_ucast 0x%x\naccp_mcast 0x%x\naccp_bcast 0x%x\n"
		"unmatched_ucast 0x%x\n", mode,
4327 4328 4329 4330 4331
		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
4332 4333
		bp->mac_filters.bcast_accept_all,
		bp->mac_filters.unmatched_unicast
4334
	);
E
Eliezer Tamir 已提交
4335

4336
	storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
E
Eliezer Tamir 已提交
4337 4338
}

4339 4340 4341 4342
static void bnx2x_init_internal_common(struct bnx2x *bp)
{
	int i;

4343
	if (!CHIP_IS_E1(bp)) {
E
Eilon Greenstein 已提交
4344

4345 4346
		/* xstorm needs to know whether to add  ovlan to packets or not,
		 * in switch-independent we'll write 0 to here... */
4347
		REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNCTION_MODE_OFFSET,
D
Dmitry Kravkov 已提交
4348
			bp->mf_mode);
4349
		REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNCTION_MODE_OFFSET,
D
Dmitry Kravkov 已提交
4350
			bp->mf_mode);
4351
		REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNCTION_MODE_OFFSET,
D
Dmitry Kravkov 已提交
4352
			bp->mf_mode);
4353
		REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNCTION_MODE_OFFSET,
D
Dmitry Kravkov 已提交
4354
			bp->mf_mode);
4355 4356
	}

4357 4358 4359 4360 4361 4362 4363 4364 4365
	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);

4366 4367 4368
	/* 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
4369
		REG_WR(bp, BAR_USTRORM_INTMEM +
4370
		       USTORM_AGG_DATA_OFFSET + i * 4, 0);
D
Dmitry Kravkov 已提交
4371 4372 4373 4374 4375
	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);
	}
4376
}
E
Eilon Greenstein 已提交
4377

4378 4379 4380
static void bnx2x_init_internal_port(struct bnx2x *bp)
{
	/* port */
V
Vladislav Zolotarov 已提交
4381
	bnx2x_dcb_init_intmem_pfc(bp);
E
Eliezer Tamir 已提交
4382 4383
}

4384 4385 4386 4387
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
4388
	case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
4389 4390 4391 4392 4393 4394 4395 4396
		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:
4397 4398
		/* internal memory per function is
		   initialized inside bnx2x_pf_init */
4399 4400 4401 4402 4403 4404 4405 4406
		break;

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

4407 4408 4409 4410 4411 4412 4413 4414 4415 4416 4417 4418
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
4419 4420
			   BP_PORT(bp)*(CHIP_IS_E2(bp) ? ETH_MAX_RX_CLIENTS_E2 :
				ETH_MAX_RX_CLIENTS_E1H);
4421
	/* init shortcut */
D
Dmitry Kravkov 已提交
4422 4423
	fp->ustorm_rx_prods_offset = CHIP_IS_E2(bp) ?
			    USTORM_RX_PRODS_E2_OFFSET(fp->cl_qzone_id) :
4424 4425 4426 4427 4428 4429 4430 4431 4432 4433 4434 4435 4436 4437 4438
			    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
4439
void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
E
Eliezer Tamir 已提交
4440 4441 4442
{
	int i;

V
Vladislav Zolotarov 已提交
4443
	for_each_eth_queue(bp, i)
4444
		bnx2x_init_fp_sb(bp, i);
4445
#ifdef BCM_CNIC
V
Vladislav Zolotarov 已提交
4446 4447
	if (!NO_FCOE(bp))
		bnx2x_init_fcoe_fp(bp);
4448 4449 4450 4451 4452

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

4453
#endif
E
Eliezer Tamir 已提交
4454

4455 4456 4457
	/* ensure status block indices were read */
	rmb();

4458
	bnx2x_init_def_sb(bp);
4459
	bnx2x_update_dsb_idx(bp);
E
Eliezer Tamir 已提交
4460
	bnx2x_init_rx_rings(bp);
4461
	bnx2x_init_tx_rings(bp);
E
Eliezer Tamir 已提交
4462
	bnx2x_init_sp_ring(bp);
4463
	bnx2x_init_eq_ring(bp);
4464
	bnx2x_init_internal(bp, load_code);
4465
	bnx2x_pf_init(bp);
E
Eliezer Tamir 已提交
4466
	bnx2x_init_ind_table(bp);
4467 4468 4469 4470 4471 4472 4473 4474 4475
	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
4476
	bnx2x_int_enable(bp);
4477 4478 4479 4480 4481

	/* 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
4482 4483 4484 4485 4486 4487 4488 4489 4490 4491
}

/* end of nic init */

/*
 * gzip service functions
 */

static int bnx2x_gunzip_init(struct bnx2x *bp)
{
4492 4493
	bp->gunzip_buf = dma_alloc_coherent(&bp->pdev->dev, FW_BUF_SIZE,
					    &bp->gunzip_mapping, GFP_KERNEL);
E
Eliezer Tamir 已提交
4494 4495 4496 4497 4498 4499 4500 4501 4502 4503 4504 4505 4506 4507 4508 4509 4510 4511 4512
	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:
4513 4514
	dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
			  bp->gunzip_mapping);
E
Eliezer Tamir 已提交
4515 4516 4517
	bp->gunzip_buf = NULL;

gunzip_nomem1:
V
Vladislav Zolotarov 已提交
4518 4519
	netdev_err(bp->dev, "Cannot allocate firmware buffer for"
	       " un-compression\n");
E
Eliezer Tamir 已提交
4520 4521 4522 4523 4524 4525 4526 4527 4528 4529
	return -ENOMEM;
}

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

	if (bp->gunzip_buf) {
4530 4531
		dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
				  bp->gunzip_mapping);
E
Eliezer Tamir 已提交
4532 4533 4534 4535
		bp->gunzip_buf = NULL;
	}
}

4536
static int bnx2x_gunzip(struct bnx2x *bp, const u8 *zbuf, int len)
E
Eliezer Tamir 已提交
4537 4538 4539 4540
{
	int n, rc;

	/* check gzip header */
4541 4542
	if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED)) {
		BNX2X_ERR("Bad gzip header\n");
E
Eliezer Tamir 已提交
4543
		return -EINVAL;
4544
	}
E
Eliezer Tamir 已提交
4545 4546 4547

	n = 10;

4548
#define FNAME				0x8
E
Eliezer Tamir 已提交
4549 4550 4551 4552

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

4553
	bp->strm->next_in = (typeof(bp->strm->next_in))zbuf + n;
E
Eliezer Tamir 已提交
4554 4555 4556 4557 4558 4559 4560 4561 4562 4563
	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))
4564 4565
		netdev_err(bp->dev, "Firmware decompression error: %s\n",
			   bp->strm->msg);
E
Eliezer Tamir 已提交
4566 4567 4568

	bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
	if (bp->gunzip_outlen & 0x3)
V
Vladislav Zolotarov 已提交
4569 4570 4571
		netdev_err(bp->dev, "Firmware decompression error:"
				    " gunzip_outlen (%d) not aligned\n",
				bp->gunzip_outlen);
E
Eliezer Tamir 已提交
4572 4573 4574 4575 4576 4577 4578 4579 4580 4581 4582 4583 4584
	bp->gunzip_outlen >>= 2;

	zlib_inflateEnd(bp->strm);

	if (rc == Z_STREAM_END)
		return 0;

	return rc;
}

/* nic load/unload */

/*
4585
 * General service functions
E
Eliezer Tamir 已提交
4586 4587 4588 4589 4590 4591 4592 4593 4594 4595
 */

/* 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;
4596
	wb_write[2] = 0x20;		/* SOP */
E
Eliezer Tamir 已提交
4597 4598 4599 4600 4601
	REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);

	/* NON-IP protocol */
	wb_write[0] = 0x09000000;
	wb_write[1] = 0x55555555;
4602
	wb_write[2] = 0x10;		/* EOP, eop_bvalid = 0 */
E
Eliezer Tamir 已提交
4603 4604 4605 4606 4607 4608 4609 4610 4611 4612 4613 4614 4615
	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;

4616
	if (CHIP_REV_IS_FPGA(bp))
E
Eliezer Tamir 已提交
4617
		factor = 120;
4618 4619 4620
	else if (CHIP_REV_IS_EMUL(bp))
		factor = 200;
	else
E
Eliezer Tamir 已提交
4621 4622 4623 4624 4625 4626
		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);
4627
	REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
E
Eliezer Tamir 已提交
4628 4629 4630 4631 4632 4633 4634 4635 4636 4637 4638

	/*  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) {
4639

E
Eliezer Tamir 已提交
4640 4641 4642 4643 4644 4645 4646 4647 4648 4649 4650 4651 4652 4653 4654 4655 4656 4657 4658 4659 4660 4661 4662 4663 4664 4665 4666 4667 4668
		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 */
4669
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
E
Eliezer Tamir 已提交
4670
	msleep(50);
4671
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
E
Eliezer Tamir 已提交
4672
	msleep(50);
4673 4674
	bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
	bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
E
Eliezer Tamir 已提交
4675 4676 4677 4678 4679 4680 4681

	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);
4682
	REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
E
Eliezer Tamir 已提交
4683 4684 4685 4686 4687 4688 4689 4690 4691 4692 4693 4694

	/* 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) {
4695

E
Eliezer Tamir 已提交
4696 4697 4698 4699 4700 4701 4702 4703 4704 4705 4706 4707 4708 4709 4710 4711 4712 4713 4714 4715 4716 4717 4718 4719 4720 4721 4722 4723 4724 4725 4726 4727 4728 4729 4730 4731 4732 4733 4734 4735 4736 4737
		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);
4738 4739
	bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
	bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
4740
#ifndef BCM_CNIC
E
Eliezer Tamir 已提交
4741 4742 4743 4744 4745 4746 4747 4748
	/* 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);
4749
	REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1);
E
Eliezer Tamir 已提交
4750 4751 4752 4753 4754 4755

	DP(NETIF_MSG_HW, "done\n");

	return 0; /* OK */
}

4756
static void bnx2x_enable_blocks_attention(struct bnx2x *bp)
E
Eliezer Tamir 已提交
4757 4758
{
	REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
D
Dmitry Kravkov 已提交
4759 4760 4761 4762
	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
4763 4764
	REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
	REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
D
Dmitry Kravkov 已提交
4765 4766 4767 4768 4769 4770 4771
	/*
	 * 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
4772 4773 4774 4775 4776
	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);
4777 4778
/*	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
4779 4780 4781
	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);
4782 4783
/*	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
4784 4785 4786 4787
	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);
4788 4789
/*	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
4790

4791 4792
	if (CHIP_REV_IS_FPGA(bp))
		REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000);
D
Dmitry Kravkov 已提交
4793 4794 4795 4796 4797 4798 4799
	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));
4800 4801
	else
		REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000);
E
Eliezer Tamir 已提交
4802 4803 4804
	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);
4805 4806
/*	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
4807 4808
	REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
	REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
4809
/*	REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
4810
	REG_WR(bp, PBF_REG_PBF_INT_MASK, 0x18);		/* bit 3,4 masked */
E
Eliezer Tamir 已提交
4811 4812
}

E
Eilon Greenstein 已提交
4813 4814 4815 4816 4817 4818 4819 4820
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);
}

4821 4822 4823 4824 4825 4826 4827 4828 4829 4830 4831 4832 4833 4834 4835 4836 4837 4838
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
4839 4840 4841

static void bnx2x_setup_fan_failure_detection(struct bnx2x *bp)
{
4842
	int is_required;
E
Eilon Greenstein 已提交
4843
	u32 val;
4844
	int port;
E
Eilon Greenstein 已提交
4845

4846 4847 4848 4849
	if (BP_NOMCP(bp))
		return;

	is_required = 0;
E
Eilon Greenstein 已提交
4850 4851 4852 4853 4854 4855 4856 4857 4858 4859 4860 4861 4862 4863
	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 |=
4864 4865 4866
				bnx2x_fan_failure_det_req(
					bp,
					bp->common.shmem_base,
Y
Yaniv Rosner 已提交
4867
					bp->common.shmem2_base,
4868
					port);
E
Eilon Greenstein 已提交
4869 4870 4871 4872 4873 4874 4875 4876 4877 4878 4879 4880 4881 4882
		}

	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
4883
					MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
E
Eilon Greenstein 已提交
4884 4885 4886 4887 4888 4889 4890 4891
	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
4892 4893 4894 4895 4896 4897 4898 4899 4900 4901 4902 4903 4904 4905 4906 4907 4908 4909 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
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);
}

4945
static int bnx2x_init_hw_common(struct bnx2x *bp, u32 load_code)
E
Eliezer Tamir 已提交
4946 4947 4948
{
	u32 val, i;

D
Dmitry Kravkov 已提交
4949
	DP(BNX2X_MSG_MCP, "starting common init  func %d\n", BP_ABS_FUNC(bp));
E
Eliezer Tamir 已提交
4950

E
Eilon Greenstein 已提交
4951
	bnx2x_reset_common(bp);
4952 4953
	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
4954

4955
	bnx2x_init_block(bp, MISC_BLOCK, COMMON_STAGE);
D
Dmitry Kravkov 已提交
4956
	if (!CHIP_IS_E1(bp))
D
Dmitry Kravkov 已提交
4957
		REG_WR(bp, MISC_REG_E1HMF_MODE, IS_MF(bp));
E
Eliezer Tamir 已提交
4958

D
Dmitry Kravkov 已提交
4959 4960 4961 4962 4963 4964 4965 4966 4967 4968 4969 4970 4971 4972 4973 4974 4975 4976 4977 4978 4979 4980 4981 4982
	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
4983

4984
	bnx2x_init_block(bp, PXP_BLOCK, COMMON_STAGE);
4985 4986 4987 4988 4989
	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
4990

4991
	bnx2x_init_block(bp, PXP2_BLOCK, COMMON_STAGE);
4992
	bnx2x_init_pxp(bp);
E
Eliezer Tamir 已提交
4993 4994

#ifdef __BIG_ENDIAN
4995 4996 4997 4998 4999
	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
5000 5001
	/* make sure this value is 0 */
	REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 0);
5002 5003 5004 5005 5006 5007

/*	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
5008 5009
#endif

5010 5011
	bnx2x_ilt_init_page_size(bp, INITOP_SET);

5012 5013
	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
5014

5015 5016 5017 5018 5019 5020 5021 5022 5023 5024 5025 5026 5027
	/* 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
5028

D
Dmitry Kravkov 已提交
5029 5030 5031 5032 5033 5034 5035 5036 5037 5038 5039 5040 5041 5042 5043 5044 5045 5046 5047 5048 5049 5050 5051 5052 5053 5054 5055 5056 5057 5058 5059 5060 5061 5062 5063 5064 5065
	/* 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));

		/* initalize dummy TM client */
		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);
	}


5066 5067
	REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
	REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
E
Eliezer Tamir 已提交
5068

D
Dmitry Kravkov 已提交
5069 5070 5071 5072 5073 5074 5075 5076 5077 5078 5079 5080 5081 5082 5083 5084 5085 5086 5087
	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;
		}
	}

5088
	bnx2x_init_block(bp, DMAE_BLOCK, COMMON_STAGE);
E
Eliezer Tamir 已提交
5089

5090 5091 5092
	/* clean the DMAE memory */
	bp->dmae_ready = 1;
	bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8);
E
Eliezer Tamir 已提交
5093

5094 5095 5096 5097
	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
5098

5099 5100 5101 5102 5103
	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);

5104
	bnx2x_init_block(bp, QM_BLOCK, COMMON_STAGE);
5105

D
Dmitry Kravkov 已提交
5106 5107
	if (CHIP_MODE_IS_4_PORT(bp))
		bnx2x_init_block(bp, QM_4PORT_BLOCK, COMMON_STAGE);
D
Dmitry Kravkov 已提交
5108

5109 5110 5111
	/* QM queues pointers table */
	bnx2x_qm_init_ptr_table(bp, bp->qm_cid_count, INITOP_SET);

5112 5113 5114
	/* 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
5115

5116
#ifdef BCM_CNIC
5117
	bnx2x_init_block(bp, TIMERS_BLOCK, COMMON_STAGE);
E
Eliezer Tamir 已提交
5118 5119
#endif

5120
	bnx2x_init_block(bp, DQ_BLOCK, COMMON_STAGE);
5121 5122
	REG_WR(bp, DORQ_REG_DPM_CID_OFST, BNX2X_DB_SHIFT);

5123 5124 5125 5126
	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
5127

5128
	bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
D
Dmitry Kravkov 已提交
5129 5130 5131 5132 5133
	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);
	}

5134
	bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
5135
	REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
5136
#ifndef BCM_CNIC
5137 5138
	/* set NIC mode */
	REG_WR(bp, PRS_REG_NIC_MODE, 1);
5139
#endif
D
Dmitry Kravkov 已提交
5140
	if (!CHIP_IS_E1(bp))
5141
		REG_WR(bp, PRS_REG_E1HOV_MODE, IS_MF_SD(bp));
D
Dmitry Kravkov 已提交
5142

D
Dmitry Kravkov 已提交
5143 5144 5145
	if (CHIP_IS_E2(bp)) {
		/* Bit-map indicating which L2 hdrs may appear after the
		   basic Ethernet header */
5146
		int has_ovlan = IS_MF_SD(bp);
D
Dmitry Kravkov 已提交
5147 5148 5149
		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
5150

5151 5152 5153 5154
	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
5155

E
Eilon Greenstein 已提交
5156 5157 5158 5159
	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
5160

5161 5162 5163 5164
	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
5165

D
Dmitry Kravkov 已提交
5166 5167 5168
	if (CHIP_MODE_IS_4_PORT(bp))
		bnx2x_init_block(bp, XSEM_4PORT_BLOCK, COMMON_STAGE);

5169 5170 5171 5172 5173
	/* 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
5174

5175 5176 5177
	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
5178

D
Dmitry Kravkov 已提交
5179
	if (CHIP_IS_E2(bp)) {
5180
		int has_ovlan = IS_MF_SD(bp);
D
Dmitry Kravkov 已提交
5181 5182 5183 5184
		REG_WR(bp, PBF_REG_HDRS_AFTER_BASIC, (has_ovlan ? 7 : 6));
		REG_WR(bp, PBF_REG_MUST_HAVE_HDRS, (has_ovlan ? 1 : 0));
	}

5185
	REG_WR(bp, SRC_REG_SOFT_RST, 1);
5186 5187
	for (i = SRC_REG_KEYRSS0_0; i <= SRC_REG_KEYRSS1_9; i += 4)
		REG_WR(bp, i, random32());
D
Dmitry Kravkov 已提交
5188

5189
	bnx2x_init_block(bp, SRCH_BLOCK, COMMON_STAGE);
5190 5191 5192 5193 5194 5195 5196 5197 5198 5199 5200 5201
#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
5202
	REG_WR(bp, SRC_REG_SOFT_RST, 0);
E
Eliezer Tamir 已提交
5203

5204 5205
	if (sizeof(union cdu_context) != 1024)
		/* we currently assume that a context is 1024 bytes */
V
Vladislav Zolotarov 已提交
5206 5207
		dev_alert(&bp->pdev->dev, "please adjust the size "
					  "of cdu_context(%ld)\n",
5208
			 (long)sizeof(union cdu_context));
E
Eliezer Tamir 已提交
5209

5210
	bnx2x_init_block(bp, CDU_BLOCK, COMMON_STAGE);
5211 5212
	val = (4 << 24) + (0 << 12) + 1024;
	REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
E
Eliezer Tamir 已提交
5213

5214
	bnx2x_init_block(bp, CFC_BLOCK, COMMON_STAGE);
5215
	REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
E
Eilon Greenstein 已提交
5216 5217 5218 5219 5220
	/* 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
5221

5222
	bnx2x_init_block(bp, HC_BLOCK, COMMON_STAGE);
D
Dmitry Kravkov 已提交
5223 5224 5225 5226 5227

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

	bnx2x_init_block(bp, IGU_BLOCK, COMMON_STAGE);
5228
	bnx2x_init_block(bp, MISC_AEU_BLOCK, COMMON_STAGE);
E
Eliezer Tamir 已提交
5229

5230
	bnx2x_init_block(bp, PXPCS_BLOCK, COMMON_STAGE);
5231 5232 5233
	/* Reset PCIE errors for debug */
	REG_WR(bp, 0x2814, 0xffffffff);
	REG_WR(bp, 0x3820, 0xffffffff);
E
Eliezer Tamir 已提交
5234

D
Dmitry Kravkov 已提交
5235 5236 5237 5238 5239 5240 5241 5242 5243 5244 5245 5246 5247 5248
	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));
	}

5249 5250 5251 5252
	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);
5253

5254
	bnx2x_init_block(bp, NIG_BLOCK, COMMON_STAGE);
D
Dmitry Kravkov 已提交
5255
	if (!CHIP_IS_E1(bp)) {
D
Dmitry Kravkov 已提交
5256
		REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_MF(bp));
5257
		REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_MF_SD(bp));
5258
	}
D
Dmitry Kravkov 已提交
5259 5260 5261
	if (CHIP_IS_E2(bp)) {
		/* Bit-map indicating which L2 hdrs may appear after the
		   basic Ethernet header */
5262
		REG_WR(bp, NIG_REG_P0_HDRS_AFTER_BASIC, (IS_MF_SD(bp) ? 7 : 6));
D
Dmitry Kravkov 已提交
5263
	}
5264 5265 5266 5267 5268 5269 5270 5271 5272 5273 5274 5275 5276 5277 5278 5279 5280 5281 5282 5283 5284

	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
5285

D
Dmitry Kravkov 已提交
5286 5287 5288 5289 5290
	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]);
5291

D
Dmitry Kravkov 已提交
5292 5293 5294 5295 5296
		/* do internal memory self test */
		if ((val == 0) && bnx2x_int_mem_test(bp)) {
			BNX2X_ERR("internal mem self test failed\n");
			return -EBUSY;
		}
5297 5298
	}

5299
	bp->port.need_hw_lock = bnx2x_hw_lock_required(bp,
Y
Yaniv Rosner 已提交
5300 5301
						       bp->common.shmem_base,
						       bp->common.shmem2_base);
E
Eliezer Tamir 已提交
5302

E
Eilon Greenstein 已提交
5303 5304
	bnx2x_setup_fan_failure_detection(bp);

5305 5306
	/* clear PXP2 attentions */
	REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
E
Eliezer Tamir 已提交
5307

5308 5309 5310
	bnx2x_enable_blocks_attention(bp);
	if (CHIP_PARITY_ENABLED(bp))
		bnx2x_enable_blocks_parity(bp);
E
Eliezer Tamir 已提交
5311

Y
Yaniv Rosner 已提交
5312
	if (!BP_NOMCP(bp)) {
D
Dmitry Kravkov 已提交
5313 5314 5315 5316 5317 5318 5319 5320 5321 5322 5323 5324 5325 5326 5327 5328 5329
		/* 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
5330 5331 5332
	} else
		BNX2X_ERR("Bootcode is missing - can not initialize link\n");

5333 5334
	return 0;
}
E
Eliezer Tamir 已提交
5335

5336
static int bnx2x_init_hw_port(struct bnx2x *bp)
5337 5338
{
	int port = BP_PORT(bp);
5339
	int init_stage = port ? PORT1_STAGE : PORT0_STAGE;
5340
	u32 low, high;
5341
	u32 val;
E
Eliezer Tamir 已提交
5342

V
Vladislav Zolotarov 已提交
5343
	DP(BNX2X_MSG_MCP, "starting port init  port %d\n", port);
5344 5345

	REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
E
Eliezer Tamir 已提交
5346

5347 5348
	bnx2x_init_block(bp, PXP_BLOCK, init_stage);
	bnx2x_init_block(bp, PXP2_BLOCK, init_stage);
E
Eilon Greenstein 已提交
5349

D
Dmitry Kravkov 已提交
5350 5351 5352 5353 5354 5355 5356 5357
	/* 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
5358 5359 5360
	bnx2x_init_block(bp, TCM_BLOCK, init_stage);
	bnx2x_init_block(bp, UCM_BLOCK, init_stage);
	bnx2x_init_block(bp, CCM_BLOCK, init_stage);
5361
	bnx2x_init_block(bp, XCM_BLOCK, init_stage);
E
Eliezer Tamir 已提交
5362

5363 5364
	/* QM cid (connection) count */
	bnx2x_qm_init_cid_count(bp, bp->qm_cid_count, INITOP_SET);
E
Eliezer Tamir 已提交
5365

5366
#ifdef BCM_CNIC
5367
	bnx2x_init_block(bp, TIMERS_BLOCK, init_stage);
5368 5369
	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
5370
#endif
V
Vladislav Zolotarov 已提交
5371

5372
	bnx2x_init_block(bp, DQ_BLOCK, init_stage);
5373

D
Dmitry Kravkov 已提交
5374 5375 5376 5377 5378 5379 5380 5381 5382 5383 5384 5385 5386 5387 5388 5389 5390 5391 5392 5393 5394 5395 5396 5397 5398 5399 5400
	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);
5401 5402
	}

D
Dmitry Kravkov 已提交
5403 5404 5405 5406 5407 5408
	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);
	}
5409

5410
	bnx2x_init_block(bp, PRS_BLOCK, init_stage);
E
Eilon Greenstein 已提交
5411

5412 5413 5414 5415
	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
5416

5417 5418 5419 5420
	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
5421 5422
	if (CHIP_MODE_IS_4_PORT(bp))
		bnx2x_init_block(bp, XSEM_4PORT_BLOCK, init_stage);
E
Eilon Greenstein 已提交
5423

5424 5425
	bnx2x_init_block(bp, UPB_BLOCK, init_stage);
	bnx2x_init_block(bp, XPB_BLOCK, init_stage);
5426

5427
	bnx2x_init_block(bp, PBF_BLOCK, init_stage);
E
Eliezer Tamir 已提交
5428

D
Dmitry Kravkov 已提交
5429 5430 5431
	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
5432

D
Dmitry Kravkov 已提交
5433 5434 5435 5436
		/* 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
5437

D
Dmitry Kravkov 已提交
5438 5439 5440 5441 5442
		/* 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
5443

5444 5445
#ifdef BCM_CNIC
	bnx2x_init_block(bp, SRCH_BLOCK, init_stage);
E
Eliezer Tamir 已提交
5446
#endif
5447 5448
	bnx2x_init_block(bp, CDU_BLOCK, init_stage);
	bnx2x_init_block(bp, CFC_BLOCK, init_stage);
5449 5450 5451 5452 5453

	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);
	}
5454
	bnx2x_init_block(bp, HC_BLOCK, init_stage);
5455

D
Dmitry Kravkov 已提交
5456 5457
	bnx2x_init_block(bp, IGU_BLOCK, init_stage);

5458
	bnx2x_init_block(bp, MISC_AEU_BLOCK, init_stage);
5459 5460 5461 5462
	/* 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
5463 5464 5465 5466
	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);
5467

5468 5469 5470 5471 5472
	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
5473

5474
	bnx2x_init_block(bp, NIG_BLOCK, init_stage);
5475 5476 5477

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

D
Dmitry Kravkov 已提交
5478
	if (!CHIP_IS_E1(bp)) {
D
Dmitry Kravkov 已提交
5479
		/* 0x2 disable mf_ov, 0x1 enable */
5480
		REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
5481
		       (IS_MF_SD(bp) ? 0x1 : 0x2));
5482

D
Dmitry Kravkov 已提交
5483 5484 5485 5486 5487 5488 5489 5490 5491 5492 5493 5494 5495 5496
		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);
		}
5497 5498 5499 5500 5501
		{
			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);
		}
5502 5503
	}

5504 5505
	bnx2x_init_block(bp, MCP_BLOCK, init_stage);
	bnx2x_init_block(bp, DMAE_BLOCK, init_stage);
5506
	bp->port.need_hw_lock = bnx2x_hw_lock_required(bp,
Y
Yaniv Rosner 已提交
5507 5508
						       bp->common.shmem_base,
						       bp->common.shmem2_base);
5509
	if (bnx2x_fan_failure_det_req(bp, bp->common.shmem_base,
Y
Yaniv Rosner 已提交
5510
				      bp->common.shmem2_base, port)) {
E
Eilon Greenstein 已提交
5511 5512 5513
		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
5514
		val |= AEU_INPUTS_ATTN_BITS_SPIO5;
E
Eilon Greenstein 已提交
5515
		REG_WR(bp, reg_addr, val);
E
Eliezer Tamir 已提交
5516
	}
Y
Yaniv Rosner 已提交
5517
	bnx2x__link_reset(bp);
E
Eliezer Tamir 已提交
5518

5519 5520 5521 5522 5523 5524 5525
	return 0;
}

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

D
Dmitry Kravkov 已提交
5526
	if (CHIP_IS_E1(bp))
5527
		reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
D
Dmitry Kravkov 已提交
5528 5529
	else
		reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
5530 5531 5532 5533

	bnx2x_wb_wr(bp, reg, ONCHIP_ADDR1(addr), ONCHIP_ADDR2(addr));
}

D
Dmitry Kravkov 已提交
5534 5535 5536 5537 5538 5539 5540 5541 5542 5543 5544 5545
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);
}

5546
static int bnx2x_init_hw_func(struct bnx2x *bp)
5547 5548 5549
{
	int port = BP_PORT(bp);
	int func = BP_FUNC(bp);
5550 5551
	struct bnx2x_ilt *ilt = BP_ILT(bp);
	u16 cdu_ilt_start;
E
Eilon Greenstein 已提交
5552
	u32 addr, val;
5553 5554
	u32 main_mem_base, main_mem_size, main_mem_prty_clr;
	int i, main_mem_width;
5555

V
Vladislav Zolotarov 已提交
5556
	DP(BNX2X_MSG_MCP, "starting func init  func %d\n", func);
5557

E
Eilon Greenstein 已提交
5558
	/* set MSI reconfigure capability */
D
Dmitry Kravkov 已提交
5559 5560 5561 5562 5563 5564
	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
5565

5566 5567
	ilt = BP_ILT(bp);
	cdu_ilt_start = ilt->clients[ILT_CLIENT_CDU].start;
5568

5569 5570 5571 5572 5573 5574 5575
	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 */
5576
	}
5577
	bnx2x_ilt_init_op(bp, INITOP_SET);
D
Dmitry Kravkov 已提交
5578

5579 5580
#ifdef BCM_CNIC
	bnx2x_src_init_t2(bp, bp->t2, bp->t2_mapping, SRC_CONN_NUM);
5581

5582 5583 5584
	/* T1 hash bits value determines the T1 number of entries */
	REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + port*4, SRC_HASH_BITS);
#endif
5585

5586 5587 5588 5589
#ifndef BCM_CNIC
	/* set NIC mode */
	REG_WR(bp, PRS_REG_NIC_MODE, 1);
#endif  /* BCM_CNIC */
5590

D
Dmitry Kravkov 已提交
5591 5592 5593 5594 5595 5596 5597 5598 5599 5600 5601 5602 5603 5604 5605 5606 5607 5608 5609 5610 5611 5612 5613 5614 5615
	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);
	}

5616
	bp->dmae_ready = 1;
5617

5618 5619
	bnx2x_init_block(bp, PGLUE_B_BLOCK, FUNC0_STAGE + func);

D
Dmitry Kravkov 已提交
5620 5621 5622
	if (CHIP_IS_E2(bp))
		REG_WR(bp, PGLUE_B_REG_WAS_ERROR_PF_7_0_CLR, func);

5623 5624 5625 5626 5627 5628 5629 5630 5631 5632
	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
5633 5634 5635 5636 5637 5638 5639 5640 5641 5642 5643 5644 5645
	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);

5646
	bnx2x_init_block(bp, QM_BLOCK, FUNC0_STAGE + func);
D
Dmitry Kravkov 已提交
5647 5648 5649 5650

	if (CHIP_MODE_IS_4_PORT(bp))
		bnx2x_init_block(bp, QM_4PORT_BLOCK, FUNC0_STAGE + func);

5651 5652 5653 5654 5655 5656 5657 5658 5659 5660 5661
	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
5662 5663 5664
	if (CHIP_IS_E2(bp))
		REG_WR(bp, PBF_REG_DISABLE_PF, 0);

5665 5666 5667
	bnx2x_init_block(bp, CDU_BLOCK, FUNC0_STAGE + func);

	bnx2x_init_block(bp, CFC_BLOCK, FUNC0_STAGE + func);
5668

D
Dmitry Kravkov 已提交
5669 5670 5671
	if (CHIP_IS_E2(bp))
		REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 1);

D
Dmitry Kravkov 已提交
5672
	if (IS_MF(bp)) {
5673
		REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
D
Dmitry Kravkov 已提交
5674
		REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->mf_ov);
5675 5676
	}

5677 5678
	bnx2x_init_block(bp, MISC_AEU_BLOCK, FUNC0_STAGE + func);

5679
	/* HC init per function */
D
Dmitry Kravkov 已提交
5680 5681 5682 5683 5684 5685 5686 5687 5688 5689 5690 5691
	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;

5692 5693
		REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);

D
Dmitry Kravkov 已提交
5694 5695 5696 5697 5698 5699 5700 5701 5702 5703 5704 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
		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);
		}
5790 5791
	}

E
Eliezer Tamir 已提交
5792
	/* Reset PCIE errors for debug */
E
Eliezer Tamir 已提交
5793 5794
	REG_WR(bp, 0x2114, 0xffffffff);
	REG_WR(bp, 0x2120, 0xffffffff);
5795 5796 5797 5798 5799 5800 5801 5802

	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);

5803 5804 5805 5806 5807 5808 5809 5810 5811 5812 5813 5814 5815 5816 5817 5818 5819 5820 5821 5822 5823 5824 5825 5826 5827
	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
5828
	bnx2x_phy_probe(&bp->link_params);
D
Dmitry Kravkov 已提交
5829

5830 5831 5832
	return 0;
}

D
Dmitry Kravkov 已提交
5833
int bnx2x_init_hw(struct bnx2x *bp, u32 load_code)
5834
{
5835
	int rc = 0;
E
Eliezer Tamir 已提交
5836

5837
	DP(BNX2X_MSG_MCP, "function %d  load_code %x\n",
D
Dmitry Kravkov 已提交
5838
	   BP_ABS_FUNC(bp), load_code);
E
Eliezer Tamir 已提交
5839

5840 5841
	bp->dmae_ready = 0;
	mutex_init(&bp->dmae_mutex);
5842 5843 5844
	rc = bnx2x_gunzip_init(bp);
	if (rc)
		return rc;
E
Eliezer Tamir 已提交
5845

5846 5847
	switch (load_code) {
	case FW_MSG_CODE_DRV_LOAD_COMMON:
D
Dmitry Kravkov 已提交
5848
	case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
5849
		rc = bnx2x_init_hw_common(bp, load_code);
5850 5851 5852 5853 5854
		if (rc)
			goto init_hw_err;
		/* no break */

	case FW_MSG_CODE_DRV_LOAD_PORT:
5855
		rc = bnx2x_init_hw_port(bp);
5856 5857 5858 5859 5860
		if (rc)
			goto init_hw_err;
		/* no break */

	case FW_MSG_CODE_DRV_LOAD_FUNCTION:
5861
		rc = bnx2x_init_hw_func(bp);
5862 5863 5864 5865 5866 5867 5868 5869 5870 5871
		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
5872
		int mb_idx = BP_FW_MB_IDX(bp);
E
Eliezer Tamir 已提交
5873 5874

		bp->fw_drv_pulse_wr_seq =
D
Dmitry Kravkov 已提交
5875
				(SHMEM_RD(bp, func_mb[mb_idx].drv_pulse_mb) &
E
Eliezer Tamir 已提交
5876
				 DRV_PULSE_SEQ_MASK);
5877 5878
		DP(BNX2X_MSG_MCP, "drv_pulse 0x%x\n", bp->fw_drv_pulse_wr_seq);
	}
E
Eliezer Tamir 已提交
5879

5880 5881 5882 5883
init_hw_err:
	bnx2x_gunzip_end(bp);

	return rc;
E
Eliezer Tamir 已提交
5884 5885
}

D
Dmitry Kravkov 已提交
5886
void bnx2x_free_mem(struct bnx2x *bp)
E
Eliezer Tamir 已提交
5887 5888 5889 5890 5891
{

#define BNX2X_PCI_FREE(x, y, size) \
	do { \
		if (x) { \
5892
			dma_free_coherent(&bp->pdev->dev, size, (void *)x, y); \
E
Eliezer Tamir 已提交
5893 5894 5895 5896 5897 5898 5899 5900
			x = NULL; \
			y = 0; \
		} \
	} while (0)

#define BNX2X_FREE(x) \
	do { \
		if (x) { \
5901
			kfree((void *)x); \
E
Eliezer Tamir 已提交
5902 5903 5904 5905 5906 5907 5908
			x = NULL; \
		} \
	} while (0)

	int i;

	/* fastpath */
E
Eilon Greenstein 已提交
5909
	/* Common */
E
Eliezer Tamir 已提交
5910
	for_each_queue(bp, i) {
V
Vladislav Zolotarov 已提交
5911 5912 5913 5914 5915 5916 5917 5918 5919
#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
5920
		/* status blocks */
D
Dmitry Kravkov 已提交
5921 5922 5923 5924 5925 5926 5927 5928
		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
5929 5930 5931
#ifdef BCM_CNIC
		}
#endif
E
Eilon Greenstein 已提交
5932 5933
	}
	/* Rx */
V
Vladislav Zolotarov 已提交
5934
	for_each_rx_queue(bp, i) {
E
Eliezer Tamir 已提交
5935

E
Eilon Greenstein 已提交
5936
		/* fastpath rx rings: rx_buf rx_desc rx_comp */
E
Eliezer Tamir 已提交
5937 5938 5939 5940 5941 5942 5943 5944 5945 5946
		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);

5947
		/* SGE ring */
E
Eilon Greenstein 已提交
5948
		BNX2X_FREE(bnx2x_fp(bp, i, rx_page_ring));
5949 5950 5951 5952
		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
5953
	/* Tx */
V
Vladislav Zolotarov 已提交
5954
	for_each_tx_queue(bp, i) {
E
Eilon Greenstein 已提交
5955 5956 5957 5958 5959

		/* 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
5960
			       sizeof(union eth_tx_bd_types) * NUM_TX_BD);
E
Eilon Greenstein 已提交
5961
	}
E
Eliezer Tamir 已提交
5962 5963 5964
	/* end of fastpath */

	BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
5965
		       sizeof(struct host_sp_status_block));
E
Eliezer Tamir 已提交
5966 5967

	BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
5968
		       sizeof(struct bnx2x_slowpath));
E
Eliezer Tamir 已提交
5969

5970 5971 5972 5973 5974 5975
	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
5976

5977
#ifdef BCM_CNIC
D
Dmitry Kravkov 已提交
5978 5979 5980 5981 5982 5983
	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
5984

5985
	BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, SRC_T2_SZ);
E
Eliezer Tamir 已提交
5986
#endif
D
Dmitry Kravkov 已提交
5987

5988
	BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
E
Eliezer Tamir 已提交
5989

5990 5991 5992
	BNX2X_PCI_FREE(bp->eq_ring, bp->eq_mapping,
		       BCM_PAGE_SIZE * NUM_EQ_PAGES);

E
Eliezer Tamir 已提交
5993 5994 5995 5996
#undef BNX2X_PCI_FREE
#undef BNX2X_KFREE
}

D
Dmitry Kravkov 已提交
5997 5998 5999 6000 6001 6002 6003 6004 6005 6006 6007 6008 6009 6010 6011 6012
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
6013
int bnx2x_alloc_mem(struct bnx2x *bp)
E
Eliezer Tamir 已提交
6014 6015 6016
{
#define BNX2X_PCI_ALLOC(x, y, size) \
	do { \
6017
		x = dma_alloc_coherent(&bp->pdev->dev, size, y, GFP_KERNEL); \
D
Dmitry Kravkov 已提交
6018 6019 6020 6021
		if (x == NULL) \
			goto alloc_mem_err; \
		memset(x, 0, size); \
	} while (0)
E
Eliezer Tamir 已提交
6022

D
Dmitry Kravkov 已提交
6023 6024
#define BNX2X_ALLOC(x, size) \
	do { \
6025
		x = kzalloc(size, GFP_KERNEL); \
D
Dmitry Kravkov 已提交
6026 6027 6028
		if (x == NULL) \
			goto alloc_mem_err; \
	} while (0)
E
Eliezer Tamir 已提交
6029

D
Dmitry Kravkov 已提交
6030
	int i;
E
Eliezer Tamir 已提交
6031

D
Dmitry Kravkov 已提交
6032 6033
	/* fastpath */
	/* Common */
E
Eliezer Tamir 已提交
6034
	for_each_queue(bp, i) {
D
Dmitry Kravkov 已提交
6035
		union host_hc_status_block *sb = &bnx2x_fp(bp, i, status_blk);
D
Dmitry Kravkov 已提交
6036 6037
		bnx2x_fp(bp, i, bp) = bp;
		/* status blocks */
V
Vladislav Zolotarov 已提交
6038 6039 6040 6041 6042 6043 6044 6045 6046 6047 6048 6049 6050 6051
#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
6052
		set_sb_shortcuts(bp, i);
E
Eliezer Tamir 已提交
6053
	}
D
Dmitry Kravkov 已提交
6054 6055
	/* Rx */
	for_each_queue(bp, i) {
E
Eliezer Tamir 已提交
6056

D
Dmitry Kravkov 已提交
6057 6058 6059 6060 6061 6062
		/* 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
6063

D
Dmitry Kravkov 已提交
6064 6065 6066 6067
		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
6068

D
Dmitry Kravkov 已提交
6069 6070 6071 6072 6073 6074 6075 6076 6077
		/* 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
6078

D
Dmitry Kravkov 已提交
6079 6080 6081 6082 6083 6084
		/* 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
6085
	}
D
Dmitry Kravkov 已提交
6086
	/* end of fastpath */
E
Eilon Greenstein 已提交
6087

6088
#ifdef BCM_CNIC
D
Dmitry Kravkov 已提交
6089 6090 6091 6092 6093 6094
	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
6095

6096 6097 6098
	/* allocate searcher T2 table */
	BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, SRC_T2_SZ);
#endif
E
Eliezer Tamir 已提交
6099

E
Eilon Greenstein 已提交
6100

6101 6102
	BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
			sizeof(struct host_sp_status_block));
E
Eliezer Tamir 已提交
6103

6104 6105
	BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
			sizeof(struct bnx2x_slowpath));
E
Eliezer Tamir 已提交
6106

6107
	bp->context.size = sizeof(union cdu_context) * bp->l2_cid_count;
D
Dmitry Kravkov 已提交
6108

6109 6110
	BNX2X_PCI_ALLOC(bp->context.vcxt, &bp->context.cxt_mapping,
			bp->context.size);
6111

6112
	BNX2X_ALLOC(bp->ilt->lines, sizeof(struct ilt_line) * ILT_MAX_LINES);
6113

6114 6115
	if (bnx2x_ilt_mem_op(bp, ILT_MEMOP_ALLOC))
		goto alloc_mem_err;
6116

D
Dmitry Kravkov 已提交
6117 6118
	/* Slow path ring */
	BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
6119

6120 6121 6122
	/* EQ */
	BNX2X_PCI_ALLOC(bp->eq_ring, &bp->eq_mapping,
			BCM_PAGE_SIZE * NUM_EQ_PAGES);
D
Dmitry Kravkov 已提交
6123
	return 0;
E
Eilon Greenstein 已提交
6124

D
Dmitry Kravkov 已提交
6125 6126 6127
alloc_mem_err:
	bnx2x_free_mem(bp);
	return -ENOMEM;
E
Eilon Greenstein 已提交
6128

D
Dmitry Kravkov 已提交
6129 6130
#undef BNX2X_PCI_ALLOC
#undef BNX2X_ALLOC
6131 6132
}

E
Eliezer Tamir 已提交
6133 6134 6135
/*
 * Init service functions
 */
6136 6137 6138
static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
			     int *state_p, int flags);

6139
int bnx2x_func_start(struct bnx2x *bp)
E
Eliezer Tamir 已提交
6140
{
6141
	bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_FUNCTION_START, 0, 0, 0, 1);
E
Eliezer Tamir 已提交
6142

6143 6144 6145 6146
	/* Wait for completion */
	return bnx2x_wait_ramrod(bp, BNX2X_STATE_FUNC_STARTED, 0, &(bp->state),
				 WAIT_RAMROD_COMMON);
}
E
Eliezer Tamir 已提交
6147

6148
static int bnx2x_func_stop(struct bnx2x *bp)
6149 6150
{
	bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_FUNCTION_STOP, 0, 0, 0, 1);
E
Eliezer Tamir 已提交
6151

6152 6153 6154
	/* 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
6155 6156
}

6157
/**
D
Dmitry Kravkov 已提交
6158
 * Sets a MAC in a CAM for a few L2 Clients for E1x chips
6159 6160 6161 6162 6163 6164
 *
 * @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
6165
 * @param is_bcast is the set MAC a broadcast address (for E1 only)
6166
 */
J
Joe Perches 已提交
6167
static void bnx2x_set_mac_addr_gen(struct bnx2x *bp, int set, const u8 *mac,
D
Dmitry Kravkov 已提交
6168 6169
				   u32 cl_bit_vec, u8 cam_offset,
				   u8 is_bcast)
6170
{
6171 6172 6173 6174 6175 6176 6177
	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
6178
	config->hdr.length = 1;
6179 6180
	config->hdr.offset = cam_offset;
	config->hdr.client_id = 0xff;
6181 6182 6183 6184
	config->hdr.reserved1 = 0;

	/* primary MAC */
	config->config_table[0].msb_mac_addr =
6185
					swab16(*(u16 *)&mac[0]);
6186
	config->config_table[0].middle_mac_addr =
6187
					swab16(*(u16 *)&mac[2]);
6188
	config->config_table[0].lsb_mac_addr =
6189
					swab16(*(u16 *)&mac[4]);
E
Eilon Greenstein 已提交
6190
	config->config_table[0].clients_bit_vector =
6191
					cpu_to_le32(cl_bit_vec);
6192
	config->config_table[0].vlan_id = 0;
6193
	config->config_table[0].pf_id = BP_FUNC(bp);
6194
	if (set)
6195 6196 6197
		SET_FLAG(config->config_table[0].flags,
			MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
			T_ETH_MAC_COMMAND_SET);
6198
	else
6199 6200 6201
		SET_FLAG(config->config_table[0].flags,
			MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
			T_ETH_MAC_COMMAND_INVALIDATE);
6202

6203 6204 6205 6206 6207
	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",
6208
	   (set ? "setting" : "clearing"),
6209 6210
	   config->config_table[0].msb_mac_addr,
	   config->config_table[0].middle_mac_addr,
6211
	   config->config_table[0].lsb_mac_addr, BP_FUNC(bp), cl_bit_vec);
6212

6213
	bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
6214
		      U64_HI(bnx2x_sp_mapping(bp, mac_config)),
6215 6216 6217 6218
		      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);
6219 6220
}

6221 6222
static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
			     int *state_p, int flags)
E
Eliezer Tamir 已提交
6223 6224
{
	/* can take a while if any port is running */
E
Eilon Greenstein 已提交
6225
	int cnt = 5000;
6226 6227
	u8 poll = flags & WAIT_RAMROD_POLL;
	u8 common = flags & WAIT_RAMROD_COMMON;
E
Eliezer Tamir 已提交
6228

E
Eliezer Tamir 已提交
6229 6230
	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
6231 6232

	might_sleep();
6233
	while (cnt--) {
E
Eliezer Tamir 已提交
6234
		if (poll) {
6235 6236 6237 6238 6239 6240 6241 6242 6243 6244 6245
			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
6246 6247
		}

6248
		mb(); /* state is changed by bnx2x_sp_event() */
E
Eilon Greenstein 已提交
6249 6250 6251 6252
		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
6253
			return 0;
E
Eilon Greenstein 已提交
6254
		}
E
Eliezer Tamir 已提交
6255 6256

		msleep(1);
6257 6258 6259

		if (bp->panic)
			return -EIO;
E
Eliezer Tamir 已提交
6260 6261 6262
	}

	/* timeout! */
6263 6264
	BNX2X_ERR("timeout %s for state %x on IDX [%d]\n",
		  poll ? "polling" : "waiting", state, idx);
6265 6266 6267
#ifdef BNX2X_STOP_ON_ERROR
	bnx2x_panic();
#endif
E
Eliezer Tamir 已提交
6268

6269
	return -EBUSY;
E
Eliezer Tamir 已提交
6270 6271
}

6272
static u8 bnx2x_e1h_cam_offset(struct bnx2x *bp, u8 rel_offset)
6273
{
D
Dmitry Kravkov 已提交
6274 6275 6276 6277 6278 6279
	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;
6280 6281
}

6282 6283 6284 6285 6286 6287 6288 6289 6290 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
/**
 *  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);

}

6346 6347 6348 6349
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));
6350

6351 6352 6353
	/* networking  MAC */
	bnx2x_set_mac_addr_gen(bp, set, bp->dev->dev_addr,
			       (1 << bp->fp->cl_id), cam_offset , 0);
6354

6355 6356
	bnx2x_set_mac_in_nig(bp, set, bp->dev->dev_addr, LLH_CAM_ETH_LINE);

6357 6358
	if (CHIP_IS_E1(bp)) {
		/* broadcast MAC */
J
Joe Perches 已提交
6359 6360 6361
		static const u8 bcast[ETH_ALEN] = {
			0xff, 0xff, 0xff, 0xff, 0xff, 0xff
		};
6362 6363
		bnx2x_set_mac_addr_gen(bp, set, bcast, 0, cam_offset + 1, 1);
	}
6364
}
6365 6366 6367 6368 6369 6370 6371 6372 6373 6374 6375 6376 6377 6378 6379 6380
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]);
6381

6382 6383 6384 6385 6386 6387 6388 6389 6390 6391 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
		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)
6425
{
6426 6427 6428 6429 6430 6431
	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;
6432 6433
	smp_wmb();

6434 6435 6436 6437 6438 6439 6440
	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);
6441 6442

	/* Wait for a completion */
6443 6444 6445
	bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending,
				ramrod_flags);

6446 6447
}

6448 6449 6450 6451 6452 6453 6454 6455 6456 6457 6458
#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.
 */
6459
static int bnx2x_set_iscsi_eth_mac_addr(struct bnx2x *bp, int set)
6460
{
6461 6462
	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
6463 6464
	u32 iscsi_l2_cl_id = BNX2X_ISCSI_ETH_CL_ID +
		BP_E1HVN(bp) * NONE_ETH_CONTEXT_USE;
6465
	u32 cl_bit_vec = (1 << iscsi_l2_cl_id);
6466 6467

	/* Send a SET_MAC ramrod */
6468 6469
	bnx2x_set_mac_addr_gen(bp, set, bp->iscsi_mac, cl_bit_vec,
			       cam_offset, 0);
6470 6471

	bnx2x_set_mac_in_nig(bp, set, bp->iscsi_mac, LLH_CAM_ISCSI_ETH_LINE);
V
Vladislav Zolotarov 已提交
6472 6473 6474 6475 6476 6477 6478 6479 6480 6481 6482 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

	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);

6516 6517 6518 6519
	return 0;
}
#endif

6520 6521 6522 6523 6524 6525 6526 6527 6528 6529 6530 6531 6532
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
6533 6534
	data->general.is_fcoe_flg =
		(params->ramrod_params.flags & CLIENT_IS_FCOE) ? 1 : 0;
6535 6536 6537 6538 6539 6540 6541 6542 6543 6544 6545 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
	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
6603 6604 6605
	data->fc.traffic_type =
		(params->ramrod_params.flags & CLIENT_IS_FCOE) ?
		LLFC_TRAFFIC_TYPE_FCOE : LLFC_TRAFFIC_TYPE_NW;
6606 6607 6608 6609 6610 6611 6612 6613 6614 6615 6616 6617 6618 6619
}

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);
}

6620 6621 6622 6623 6624
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)
6625 6626 6627 6628 6629 6630 6631 6632 6633 6634 6635 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
{
	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
6674 6675


6676 6677
	bnx2x_sp_post(bp, ramrod, params->ramrod_params.cid,
		      U64_HI(data_mapping), U64_LO(data_mapping), 0);
E
Eliezer Tamir 已提交
6678

6679
	/* Wait for completion */
6680 6681 6682 6683
	rc = bnx2x_wait_ramrod(bp, params->ramrod_params.state,
				 params->ramrod_params.index,
				 params->ramrod_params.pstate,
				 ramrod_flags);
6684
	return rc;
E
Eliezer Tamir 已提交
6685 6686
}

6687 6688 6689 6690 6691 6692 6693 6694 6695
/**
 * 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
6696
{
6697
	int rc = 0;
E
Eilon Greenstein 已提交
6698

6699 6700 6701 6702 6703
	switch (bp->int_mode) {
	case INT_MODE_MSI:
		bnx2x_enable_msi(bp);
		/* falling through... */
	case INT_MODE_INTx:
V
Vladislav Zolotarov 已提交
6704
		bp->num_queues = 1 + NONE_ETH_CONTEXT_USE;
6705
		DP(NETIF_MSG_IFUP, "set number of queues to 1\n");
E
Eilon Greenstein 已提交
6706
		break;
6707 6708 6709
	default:
		/* Set number of queues according to bp->multi_mode value */
		bnx2x_set_num_queues(bp);
E
Eilon Greenstein 已提交
6710

6711 6712
		DP(NETIF_MSG_IFUP, "set number of queues to %d\n",
		   bp->num_queues);
E
Eilon Greenstein 已提交
6713

6714 6715 6716 6717 6718 6719 6720 6721 6722 6723 6724 6725 6726
		/* 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
6727 6728
				   1 + NONE_ETH_CONTEXT_USE);
			bp->num_queues = 1 + NONE_ETH_CONTEXT_USE;
6729 6730 6731 6732

			if (!(bp->flags & DISABLE_MSI_FLAG))
				bnx2x_enable_msi(bp);
		}
E
Eilon Greenstein 已提交
6733

D
Dmitry Kravkov 已提交
6734 6735
		break;
	}
6736 6737

	return rc;
E
Eliezer Tamir 已提交
6738 6739
}

6740 6741 6742 6743 6744 6745
/* must be called prioir to any HW initializations */
static inline u16 bnx2x_cid_ilt_lines(struct bnx2x *bp)
{
	return L2_ILT_LINES(bp);
}

6746 6747 6748 6749 6750 6751 6752 6753 6754 6755 6756 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
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
6819

6820 6821 6822 6823 6824 6825 6826 6827 6828 6829 6830 6831 6832 6833 6834 6835 6836
	/* 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
6837

6838 6839 6840 6841
#else
	ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
#endif
}
D
Dmitry Kravkov 已提交
6842

6843 6844
int bnx2x_setup_client(struct bnx2x *bp, struct bnx2x_fastpath *fp,
		       int is_leading)
E
Eliezer Tamir 已提交
6845
{
6846
	struct bnx2x_client_init_params params = { {0} };
E
Eliezer Tamir 已提交
6847 6848
	int rc;

V
Vladislav Zolotarov 已提交
6849 6850 6851
	/* reset IGU state skip FCoE L2 queue */
	if (!IS_FCOE_FP(fp))
		bnx2x_ack_sb(bp, fp->igu_sb_id, USTORM_ID, 0,
6852
			     IGU_INT_ENABLE, 0);
E
Eliezer Tamir 已提交
6853

6854 6855 6856 6857
	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
6858

V
Vladislav Zolotarov 已提交
6859 6860 6861 6862 6863 6864
#ifdef BCM_CNIC
	if (IS_FCOE_FP(fp))
		params.ramrod_params.flags |= CLIENT_IS_FCOE;

#endif

6865 6866
	if (is_leading)
		params.ramrod_params.flags |= CLIENT_IS_LEADING_RSS;
E
Eliezer Tamir 已提交
6867

6868 6869 6870 6871 6872 6873 6874
	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));
6875
	return rc;
E
Eliezer Tamir 已提交
6876 6877
}

6878 6879
static int bnx2x_stop_fw_client(struct bnx2x *bp,
				struct bnx2x_client_ramrod_params *p)
E
Eliezer Tamir 已提交
6880
{
6881
	int rc;
E
Eliezer Tamir 已提交
6882

6883
	int poll_flag = p->poll ? WAIT_RAMROD_POLL : 0;
E
Eliezer Tamir 已提交
6884

6885 6886 6887 6888
	/* 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
6889

6890
	/* Wait for completion */
6891 6892
	rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, p->index,
			       p->pstate, poll_flag);
6893
	if (rc) /* timeout */
6894
		return rc;
E
Eliezer Tamir 已提交
6895

6896 6897 6898 6899 6900 6901 6902 6903
	*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
6904 6905


6906 6907
	/* delete cfc entry */
	bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_CFC_DEL, p->cid, 0, 0, 1);
6908

6909 6910 6911
	/* Wait for completion */
	rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_CLOSED, p->index,
			       p->pstate, WAIT_RAMROD_COMMON);
6912
	return rc;
E
Eliezer Tamir 已提交
6913 6914
}

6915 6916 6917 6918 6919 6920 6921 6922 6923 6924 6925 6926 6927 6928 6929
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);
}


6930 6931 6932 6933
static void bnx2x_reset_func(struct bnx2x *bp)
{
	int port = BP_PORT(bp);
	int func = BP_FUNC(bp);
D
Dmitry Kravkov 已提交
6934
	int i;
6935
	int pfunc_offset_fp = offsetof(struct hc_sb_data, p_func) +
D
Dmitry Kravkov 已提交
6936 6937 6938
			(CHIP_IS_E2(bp) ?
			 offsetof(struct hc_status_block_data_e2, common) :
			 offsetof(struct hc_status_block_data_e1x, common));
6939 6940 6941 6942 6943 6944 6945 6946 6947 6948
	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
6949
	for_each_eth_queue(bp, i) {
6950 6951 6952 6953 6954 6955 6956 6957 6958 6959 6960 6961 6962 6963 6964 6965 6966 6967 6968
		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);
6969 6970

	/* Configure IGU */
D
Dmitry Kravkov 已提交
6971 6972 6973 6974 6975 6976 6977
	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);
	}
6978

6979 6980 6981 6982 6983 6984 6985 6986 6987 6988 6989 6990 6991
#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
6992
	/* Clear ILT */
D
Dmitry Kravkov 已提交
6993 6994 6995 6996 6997 6998 6999 7000 7001 7002 7003 7004 7005 7006 7007 7008 7009 7010 7011
	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);
7012 7013

	bp->dmae_ready = 0;
7014 7015 7016 7017 7018 7019 7020 7021 7022 7023 7024 7025 7026 7027 7028 7029 7030 7031 7032 7033 7034 7035 7036
}

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
7037
		   "BRB1 is not empty  %d blocks are occupied\n", val);
7038 7039 7040 7041 7042 7043 7044

	/* 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
7045
	   BP_ABS_FUNC(bp), reset_code);
7046 7047 7048 7049 7050 7051 7052 7053 7054 7055 7056 7057 7058 7059 7060 7061

	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;
7062

7063 7064 7065 7066 7067 7068
	default:
		BNX2X_ERR("Unknown reset_code (0x%x) from MCP\n", reset_code);
		break;
	}
}

V
Vladislav Zolotarov 已提交
7069 7070 7071 7072 7073 7074 7075 7076 7077 7078 7079 7080 7081 7082
#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
7083
void bnx2x_chip_cleanup(struct bnx2x *bp, int unload_mode)
E
Eliezer Tamir 已提交
7084
{
7085
	int port = BP_PORT(bp);
E
Eliezer Tamir 已提交
7086
	u32 reset_code = 0;
7087
	int i, cnt, rc;
E
Eliezer Tamir 已提交
7088

E
Eilon Greenstein 已提交
7089
	/* Wait until tx fastpath tasks complete */
V
Vladislav Zolotarov 已提交
7090
	for_each_tx_queue(bp, i) {
7091 7092
		struct bnx2x_fastpath *fp = &bp->fp[i];

7093
		cnt = 1000;
7094
		while (bnx2x_has_tx_work_unload(fp)) {
7095

7096 7097 7098 7099 7100 7101 7102 7103 7104 7105 7106
			if (!cnt) {
				BNX2X_ERR("timeout waiting for queue[%d]\n",
					  i);
#ifdef BNX2X_STOP_ON_ERROR
				bnx2x_panic();
				return -EBUSY;
#else
				break;
#endif
			}
			cnt--;
7107
			msleep(1);
7108
		}
7109
	}
7110 7111
	/* Give HW time to discard old tx messages */
	msleep(1);
E
Eliezer Tamir 已提交
7112

7113
	if (CHIP_IS_E1(bp)) {
7114 7115 7116 7117 7118
		/* invalidate mc list,
		 * wait and poll (interrupts are off)
		 */
		bnx2x_invlidate_e1_mc_list(bp);
		bnx2x_set_eth_mac(bp, 0);
7119

7120
	} else {
7121 7122
		REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);

7123
		bnx2x_set_eth_mac(bp, 0);
7124 7125 7126 7127

		for (i = 0; i < MC_HASH_SIZE; i++)
			REG_WR(bp, MC_HASH_OFFSET(bp, i), 0);
	}
7128

7129
#ifdef BCM_CNIC
V
Vladislav Zolotarov 已提交
7130
	bnx2x_del_fcoe_eth_macs(bp);
7131
#endif
7132

7133 7134 7135
	if (unload_mode == UNLOAD_NORMAL)
		reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;

7136
	else if (bp->flags & NO_WOL_FLAG)
7137 7138
		reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;

7139
	else if (bp->wol) {
7140 7141 7142 7143 7144 7145 7146 7147 7148 7149 7150 7151 7152 7153 7154 7155 7156 7157
		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;
7158

7159 7160
	/* Close multi and leading connections
	   Completions for ramrods are collected in a synchronous way */
7161 7162 7163 7164 7165 7166
	for_each_queue(bp, i)

		if (bnx2x_stop_client(bp, i))
#ifdef BNX2X_STOP_ON_ERROR
			return;
#else
7167
			goto unload_error;
7168
#endif
E
Eliezer Tamir 已提交
7169

7170
	rc = bnx2x_func_stop(bp);
7171
	if (rc) {
7172
		BNX2X_ERR("Function stop failed!\n");
7173
#ifdef BNX2X_STOP_ON_ERROR
7174
		return;
7175 7176
#else
		goto unload_error;
7177
#endif
7178
	}
7179
#ifndef BNX2X_STOP_ON_ERROR
7180
unload_error:
7181
#endif
7182
	if (!BP_NOMCP(bp))
Y
Yaniv Rosner 已提交
7183
		reset_code = bnx2x_fw_command(bp, reset_code, 0);
7184
	else {
D
Dmitry Kravkov 已提交
7185 7186 7187 7188 7189 7190 7191 7192 7193 7194 7195 7196
		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)
7197
			reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
D
Dmitry Kravkov 已提交
7198
		else if (load_count[BP_PATH(bp)][1 + port] == 0)
7199 7200 7201 7202
			reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
		else
			reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
	}
E
Eliezer Tamir 已提交
7203

7204 7205 7206
	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
7207

7208 7209 7210 7211
	/* Disable HW interrupts, NAPI */
	bnx2x_netif_stop(bp, 1);

	/* Release IRQs */
7212
	bnx2x_free_irq(bp);
7213

E
Eliezer Tamir 已提交
7214
	/* Reset the chip */
7215
	bnx2x_reset_chip(bp, reset_code);
E
Eliezer Tamir 已提交
7216 7217

	/* Report UNLOAD_DONE to MCP */
7218
	if (!BP_NOMCP(bp))
Y
Yaniv Rosner 已提交
7219
		bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
E
Eilon Greenstein 已提交
7220

7221 7222
}

D
Dmitry Kravkov 已提交
7223
void bnx2x_disable_close_the_gate(struct bnx2x *bp)
7224 7225 7226 7227 7228 7229 7230 7231 7232 7233 7234 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
{
	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
7295 7296
/**
 * Prepares for MCP reset: takes care of CLP configurations.
7297 7298 7299 7300 7301 7302 7303 7304 7305 7306 7307 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
 *
 * @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
7529 7530 7531
	return 0;
}

7532 7533 7534 7535 7536 7537 7538 7539 7540 7541 7542 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
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.
 */
7661 7662
static void bnx2x_reset_task(struct work_struct *work)
{
7663
	struct bnx2x *bp = container_of(work, struct bnx2x, reset_task.work);
7664 7665 7666 7667

#ifdef BNX2X_STOP_ON_ERROR
	BNX2X_ERR("reset task called but STOP_ON_ERROR defined"
		  " so reset not done to allow debug dump,\n"
7668
	 KERN_ERR " you will need to reboot when done\n");
7669 7670 7671 7672 7673 7674 7675 7676
	return;
#endif

	rtnl_lock();

	if (!netif_running(bp->dev))
		goto reset_task_exit;

7677 7678 7679 7680 7681 7682
	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);
	}
7683 7684 7685 7686 7687

reset_task_exit:
	rtnl_unlock();
}

E
Eliezer Tamir 已提交
7688 7689 7690 7691 7692 7693
/* end of nic load/unload */

/*
 * Init service functions
 */

7694
static u32 bnx2x_get_pretend_reg(struct bnx2x *bp)
D
Dmitry Kravkov 已提交
7695 7696 7697 7698
{
	u32 base = PXP2_REG_PGL_PRETEND_FUNC_F0;
	u32 stride = PXP2_REG_PGL_PRETEND_FUNC_F1 - base;
	return base + (BP_ABS_FUNC(bp)) * stride;
7699 7700
}

D
Dmitry Kravkov 已提交
7701
static void bnx2x_undi_int_disable_e1h(struct bnx2x *bp)
7702
{
D
Dmitry Kravkov 已提交
7703
	u32 reg = bnx2x_get_pretend_reg(bp);
7704 7705 7706 7707 7708 7709

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

	/* Pretend to be function 0 */
	REG_WR(bp, reg, 0);
D
Dmitry Kravkov 已提交
7710
	REG_RD(bp, reg);	/* Flush the GRC transaction (in the chip) */
7711 7712 7713 7714 7715 7716 7717

	/* From now we are in the "like-E1" mode */
	bnx2x_int_disable(bp);

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

D
Dmitry Kravkov 已提交
7718 7719 7720
	/* Restore the original function */
	REG_WR(bp, reg, BP_ABS_FUNC(bp));
	REG_RD(bp, reg);
7721 7722
}

D
Dmitry Kravkov 已提交
7723
static inline void bnx2x_undi_int_disable(struct bnx2x *bp)
7724
{
D
Dmitry Kravkov 已提交
7725
	if (CHIP_IS_E1(bp))
7726
		bnx2x_int_disable(bp);
D
Dmitry Kravkov 已提交
7727 7728
	else
		bnx2x_undi_int_disable_e1h(bp);
7729 7730
}

7731 7732 7733 7734 7735 7736 7737 7738 7739 7740
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
7741
		bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
7742 7743 7744
		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
7745 7746
			/* save our pf_num */
			int orig_pf_num = bp->pf_num;
7747 7748
			u32 swap_en;
			u32 swap_val;
7749

7750 7751 7752
			/* clear the UNDI indication */
			REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0);

7753 7754 7755
			BNX2X_DEV_INFO("UNDI is active! reset device\n");

			/* try unload UNDI on port 0 */
D
Dmitry Kravkov 已提交
7756
			bp->pf_num = 0;
7757
			bp->fw_seq =
D
Dmitry Kravkov 已提交
7758
			      (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
7759
				DRV_MSG_SEQ_NUMBER_MASK);
Y
Yaniv Rosner 已提交
7760
			reset_code = bnx2x_fw_command(bp, reset_code, 0);
7761 7762 7763 7764

			/* if UNDI is loaded on the other port */
			if (reset_code != FW_MSG_CODE_DRV_UNLOAD_COMMON) {

7765
				/* send "DONE" for previous unload */
Y
Yaniv Rosner 已提交
7766 7767
				bnx2x_fw_command(bp,
						 DRV_MSG_CODE_UNLOAD_DONE, 0);
7768 7769

				/* unload UNDI on port 1 */
D
Dmitry Kravkov 已提交
7770
				bp->pf_num = 1;
7771
				bp->fw_seq =
D
Dmitry Kravkov 已提交
7772
			      (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
7773 7774 7775
					DRV_MSG_SEQ_NUMBER_MASK);
				reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;

Y
Yaniv Rosner 已提交
7776
				bnx2x_fw_command(bp, reset_code, 0);
7777 7778
			}

7779 7780 7781
			/* now it's safe to release the lock */
			bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);

D
Dmitry Kravkov 已提交
7782
			bnx2x_undi_int_disable(bp);
7783 7784 7785 7786 7787 7788 7789 7790 7791 7792 7793 7794 7795 7796 7797 7798 7799 7800 7801 7802

			/* 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);
7803 7804 7805
			/* reset device */
			REG_WR(bp,
			       GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
7806
			       0xd3ffffff);
7807 7808 7809
			REG_WR(bp,
			       GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
			       0x1403);
7810 7811 7812 7813 7814 7815 7816 7817
			/* 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
7818
			bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
7819 7820

			/* restore our func and fw_seq */
D
Dmitry Kravkov 已提交
7821
			bp->pf_num = orig_pf_num;
7822
			bp->fw_seq =
D
Dmitry Kravkov 已提交
7823
			      (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
7824
				DRV_MSG_SEQ_NUMBER_MASK);
7825 7826
		} else
			bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
7827 7828 7829 7830 7831 7832
	}
}

static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
{
	u32 val, val2, val3, val4, id;
E
Eilon Greenstein 已提交
7833
	u16 pmc;
7834 7835 7836 7837 7838 7839 7840 7841 7842

	/* 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
7843
	val = REG_RD(bp, MISC_REG_BOND_ID);
7844 7845
	id |= (val & 0xf);
	bp->common.chip_id = id;
7846 7847 7848 7849

	/* Set doorbell size */
	bp->db_size = (1 << BNX2X_DB_SHIFT);

D
Dmitry Kravkov 已提交
7850 7851 7852 7853 7854 7855 7856 7857 7858 7859 7860 7861 7862 7863 7864 7865 7866 7867 7868 7869
	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 */
	}

7870 7871 7872 7873 7874
	/*
	 * 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
7875 7876 7877 7878 7879 7880 7881
	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);
7882

7883 7884 7885 7886 7887 7888 7889
	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");
	}

7890 7891 7892 7893 7894 7895 7896
	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
7897 7898 7899
	bp->common.shmem2_base = REG_RD(bp, (BP_PATH(bp) ?
					MISC_REG_GENERIC_CR_1 :
					MISC_REG_GENERIC_CR_0));
7900
	bp->link_params.shmem_base = bp->common.shmem_base;
Y
Yaniv Rosner 已提交
7901
	bp->link_params.shmem2_base = bp->common.shmem2_base;
7902 7903
	BNX2X_DEV_INFO("shmem offset 0x%x  shmem2 offset 0x%x\n",
		       bp->common.shmem_base, bp->common.shmem2_base);
7904

D
Dmitry Kravkov 已提交
7905
	if (!bp->common.shmem_base) {
7906 7907 7908 7909 7910 7911 7912 7913
		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
7914
		BNX2X_ERR("BAD MCP validity signature\n");
7915 7916

	bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
7917
	BNX2X_DEV_INFO("hw_config 0x%08x\n", bp->common.hw_config);
7918 7919 7920 7921 7922

	bp->link_params.hw_led_mode = ((bp->common.hw_config &
					SHARED_HW_CFG_LED_MODE_MASK) >>
				       SHARED_HW_CFG_LED_MODE_SHIFT);

7923 7924 7925 7926 7927 7928 7929 7930 7931
	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;

7932 7933 7934 7935 7936 7937
	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
7938 7939
		BNX2X_ERR("This driver needs bc_ver %X but found %X, "
			  "please upgrade BC\n", BNX2X_BC_VER, val);
7940
	}
E
Eilon Greenstein 已提交
7941
	bp->link_params.feature_config_flags |=
Y
Yaniv Rosner 已提交
7942
				(val >= REQ_BC_VER_4_VRFY_FIRST_PHY_OPT_MDL) ?
D
Dmitry Kravkov 已提交
7943 7944
				FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY : 0;

Y
Yaniv Rosner 已提交
7945 7946 7947
	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
7948 7949 7950 7951 7952 7953 7954 7955 7956

	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
7957
		       (bp->flags & NO_WOL_FLAG) ? "not " : "");
7958 7959 7960 7961 7962 7963

	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
7964 7965
	dev_info(&bp->pdev->dev, "part number %X-%X-%X-%X\n",
		 val, val2, val3, val4);
7966 7967
}

D
Dmitry Kravkov 已提交
7968 7969 7970 7971 7972 7973 7974 7975 7976 7977 7978 7979 7980 7981 7982
#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
7983
				       NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
D
Dmitry Kravkov 已提交
7984 7985 7986 7987 7988 7989 7990 7991 7992 7993 7994 7995 7996 7997 7998 7999 8000 8001 8002 8003 8004 8005 8006 8007 8008 8009 8010 8011 8012 8013

		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
8014 8015
	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
8016 8017 8018 8019
	if (bp->igu_sb_cnt == 0)
		BNX2X_ERR("CAM configuration error\n");
}

8020 8021
static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
						    u32 switch_cfg)
E
Eliezer Tamir 已提交
8022
{
Y
Yaniv Rosner 已提交
8023 8024 8025 8026 8027
	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
8028 8029
	switch (bp->link_params.num_phys) {
	case 1:
Y
Yaniv Rosner 已提交
8030 8031 8032
		bp->port.supported[0] = bp->link_params.phy[INT_PHY].supported;
		cfg_size = 1;
		break;
Y
Yaniv Rosner 已提交
8033
	case 2:
Y
Yaniv Rosner 已提交
8034 8035 8036 8037 8038 8039 8040 8041 8042 8043 8044 8045 8046 8047 8048 8049 8050 8051
		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
8052
	}
E
Eliezer Tamir 已提交
8053

Y
Yaniv Rosner 已提交
8054
	if (!(bp->port.supported[0] || bp->port.supported[1])) {
Y
Yaniv Rosner 已提交
8055
		BNX2X_ERR("NVRAM config error. BAD phy config."
Y
Yaniv Rosner 已提交
8056
			  "PHY1 config 0x%x, PHY2 config 0x%x\n",
Y
Yaniv Rosner 已提交
8057
			   SHMEM_RD(bp,
Y
Yaniv Rosner 已提交
8058 8059 8060
			   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
8061
			return;
D
Dmitry Kravkov 已提交
8062
	}
E
Eliezer Tamir 已提交
8063

Y
Yaniv Rosner 已提交
8064 8065
	switch (switch_cfg) {
	case SWITCH_CFG_1G:
8066 8067 8068
		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
8069 8070 8071
		break;

	case SWITCH_CFG_10G:
8072 8073 8074
		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
8075 8076 8077 8078
		break;

	default:
		BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
Y
Yaniv Rosner 已提交
8079
			  bp->port.link_config[0]);
E
Eliezer Tamir 已提交
8080 8081
		return;
	}
Y
Yaniv Rosner 已提交
8082 8083 8084
	/* 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
8085
				PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
Y
Yaniv Rosner 已提交
8086
			bp->port.supported[idx] &= ~SUPPORTED_10baseT_Half;
E
Eliezer Tamir 已提交
8087

Y
Yaniv Rosner 已提交
8088
		if (!(bp->link_params.speed_cap_mask[idx] &
Y
Yaniv Rosner 已提交
8089
				PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
Y
Yaniv Rosner 已提交
8090
			bp->port.supported[idx] &= ~SUPPORTED_10baseT_Full;
E
Eliezer Tamir 已提交
8091

Y
Yaniv Rosner 已提交
8092
		if (!(bp->link_params.speed_cap_mask[idx] &
Y
Yaniv Rosner 已提交
8093
				PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
Y
Yaniv Rosner 已提交
8094
			bp->port.supported[idx] &= ~SUPPORTED_100baseT_Half;
E
Eliezer Tamir 已提交
8095

Y
Yaniv Rosner 已提交
8096
		if (!(bp->link_params.speed_cap_mask[idx] &
Y
Yaniv Rosner 已提交
8097
				PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
Y
Yaniv Rosner 已提交
8098
			bp->port.supported[idx] &= ~SUPPORTED_100baseT_Full;
E
Eliezer Tamir 已提交
8099

Y
Yaniv Rosner 已提交
8100
		if (!(bp->link_params.speed_cap_mask[idx] &
Y
Yaniv Rosner 已提交
8101
					PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
Y
Yaniv Rosner 已提交
8102
			bp->port.supported[idx] &= ~(SUPPORTED_1000baseT_Half |
D
Dmitry Kravkov 已提交
8103
						     SUPPORTED_1000baseT_Full);
E
Eliezer Tamir 已提交
8104

Y
Yaniv Rosner 已提交
8105
		if (!(bp->link_params.speed_cap_mask[idx] &
Y
Yaniv Rosner 已提交
8106
					PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
Y
Yaniv Rosner 已提交
8107
			bp->port.supported[idx] &= ~SUPPORTED_2500baseX_Full;
E
Eliezer Tamir 已提交
8108

Y
Yaniv Rosner 已提交
8109
		if (!(bp->link_params.speed_cap_mask[idx] &
Y
Yaniv Rosner 已提交
8110
					PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
Y
Yaniv Rosner 已提交
8111 8112 8113
			bp->port.supported[idx] &= ~SUPPORTED_10000baseT_Full;

	}
E
Eliezer Tamir 已提交
8114

Y
Yaniv Rosner 已提交
8115 8116
	BNX2X_DEV_INFO("supported 0x%x 0x%x\n", bp->port.supported[0],
		       bp->port.supported[1]);
E
Eliezer Tamir 已提交
8117 8118
}

8119
static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
E
Eliezer Tamir 已提交
8120
{
Y
Yaniv Rosner 已提交
8121 8122 8123 8124 8125 8126 8127 8128 8129 8130 8131 8132 8133 8134 8135 8136
	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
8137
		case PORT_FEATURE_LINK_SPEED_AUTO:
Y
Yaniv Rosner 已提交
8138 8139 8140 8141 8142
			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
8143 8144
			} else {
				/* force 10G, no AN */
Y
Yaniv Rosner 已提交
8145 8146 8147 8148
				bp->link_params.req_line_speed[idx] =
					SPEED_10000;
				bp->port.advertising[idx] |=
					(ADVERTISED_10000baseT_Full |
D
Dmitry Kravkov 已提交
8149
					 ADVERTISED_FIBRE);
Y
Yaniv Rosner 已提交
8150
				continue;
D
Dmitry Kravkov 已提交
8151 8152
			}
			break;
E
Eliezer Tamir 已提交
8153

D
Dmitry Kravkov 已提交
8154
		case PORT_FEATURE_LINK_SPEED_10M_FULL:
Y
Yaniv Rosner 已提交
8155 8156 8157 8158 8159
			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
8160 8161 8162 8163 8164 8165
					 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
8166
				    bp->link_params.speed_cap_mask[idx]);
D
Dmitry Kravkov 已提交
8167 8168 8169
				return;
			}
			break;
E
Eliezer Tamir 已提交
8170

D
Dmitry Kravkov 已提交
8171
		case PORT_FEATURE_LINK_SPEED_10M_HALF:
Y
Yaniv Rosner 已提交
8172 8173 8174 8175 8176 8177 8178
			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
8179 8180 8181 8182 8183 8184 8185 8186 8187 8188
					 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
8189

D
Dmitry Kravkov 已提交
8190 8191 8192
		case PORT_FEATURE_LINK_SPEED_100M_FULL:
			if (bp->port.supported[idx] &
			    SUPPORTED_100baseT_Full) {
Y
Yaniv Rosner 已提交
8193 8194 8195 8196
				bp->link_params.req_line_speed[idx] =
					SPEED_100;
				bp->port.advertising[idx] |=
					(ADVERTISED_100baseT_Full |
D
Dmitry Kravkov 已提交
8197 8198 8199 8200 8201 8202 8203 8204 8205 8206
					 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
8207

D
Dmitry Kravkov 已提交
8208 8209 8210 8211 8212 8213 8214
		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
8215 8216
				bp->port.advertising[idx] |=
					(ADVERTISED_100baseT_Half |
D
Dmitry Kravkov 已提交
8217 8218 8219
					 ADVERTISED_TP);
			} else {
				BNX2X_ERROR("NVRAM config error. "
V
Vladislav Zolotarov 已提交
8220 8221
				    "Invalid link_config 0x%x"
				    "  speed_cap_mask 0x%x\n",
Y
Yaniv Rosner 已提交
8222 8223
				    link_config,
				    bp->link_params.speed_cap_mask[idx]);
D
Dmitry Kravkov 已提交
8224 8225 8226
				return;
			}
			break;
E
Eliezer Tamir 已提交
8227

D
Dmitry Kravkov 已提交
8228
		case PORT_FEATURE_LINK_SPEED_1G:
Y
Yaniv Rosner 已提交
8229 8230 8231 8232 8233 8234
			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
8235 8236 8237
					 ADVERTISED_TP);
			} else {
				BNX2X_ERROR("NVRAM config error. "
V
Vladislav Zolotarov 已提交
8238 8239
				    "Invalid link_config 0x%x"
				    "  speed_cap_mask 0x%x\n",
Y
Yaniv Rosner 已提交
8240 8241
				    link_config,
				    bp->link_params.speed_cap_mask[idx]);
D
Dmitry Kravkov 已提交
8242 8243 8244
				return;
			}
			break;
E
Eliezer Tamir 已提交
8245

D
Dmitry Kravkov 已提交
8246
		case PORT_FEATURE_LINK_SPEED_2_5G:
Y
Yaniv Rosner 已提交
8247 8248 8249 8250 8251 8252
			if (bp->port.supported[idx] &
			    SUPPORTED_2500baseX_Full) {
				bp->link_params.req_line_speed[idx] =
					SPEED_2500;
				bp->port.advertising[idx] |=
					(ADVERTISED_2500baseX_Full |
8253
						ADVERTISED_TP);
D
Dmitry Kravkov 已提交
8254 8255
			} else {
				BNX2X_ERROR("NVRAM config error. "
V
Vladislav Zolotarov 已提交
8256 8257
				    "Invalid link_config 0x%x"
				    "  speed_cap_mask 0x%x\n",
Y
Yaniv Rosner 已提交
8258
				    link_config,
D
Dmitry Kravkov 已提交
8259 8260 8261 8262
				    bp->link_params.speed_cap_mask[idx]);
				return;
			}
			break;
E
Eliezer Tamir 已提交
8263

D
Dmitry Kravkov 已提交
8264 8265 8266
		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
8267 8268 8269 8270 8271 8272
			if (bp->port.supported[idx] &
			    SUPPORTED_10000baseT_Full) {
				bp->link_params.req_line_speed[idx] =
					SPEED_10000;
				bp->port.advertising[idx] |=
					(ADVERTISED_10000baseT_Full |
8273
						ADVERTISED_FIBRE);
D
Dmitry Kravkov 已提交
8274 8275
			} else {
				BNX2X_ERROR("NVRAM config error. "
V
Vladislav Zolotarov 已提交
8276 8277
				    "Invalid link_config 0x%x"
				    "  speed_cap_mask 0x%x\n",
Y
Yaniv Rosner 已提交
8278
				    link_config,
D
Dmitry Kravkov 已提交
8279 8280 8281 8282
				    bp->link_params.speed_cap_mask[idx]);
				return;
			}
			break;
E
Eliezer Tamir 已提交
8283

D
Dmitry Kravkov 已提交
8284 8285 8286 8287 8288 8289 8290 8291 8292 8293
		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
8294

Y
Yaniv Rosner 已提交
8295
		bp->link_params.req_flow_ctrl[idx] = (link_config &
8296
					 PORT_FEATURE_FLOW_CONTROL_MASK);
Y
Yaniv Rosner 已提交
8297 8298 8299 8300 8301 8302
		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
8303

Y
Yaniv Rosner 已提交
8304 8305 8306 8307 8308 8309 8310
		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
8311 8312
}

8313 8314 8315 8316 8317 8318 8319 8320
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));
}

8321
static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
E
Eliezer Tamir 已提交
8322
{
8323
	int port = BP_PORT(bp);
E
Eilon Greenstein 已提交
8324
	u32 config;
8325
	u32 ext_phy_type, ext_phy_config;
E
Eliezer Tamir 已提交
8326

Y
Yaniv Rosner 已提交
8327
	bp->link_params.bp = bp;
8328
	bp->link_params.port = port;
Y
Yaniv Rosner 已提交
8329 8330

	bp->link_params.lane_config =
E
Eliezer Tamir 已提交
8331
		SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
E
Eilon Greenstein 已提交
8332

Y
Yaniv Rosner 已提交
8333
	bp->link_params.speed_cap_mask[0] =
E
Eliezer Tamir 已提交
8334 8335
		SHMEM_RD(bp,
			 dev_info.port_hw_config[port].speed_capability_mask);
Y
Yaniv Rosner 已提交
8336 8337 8338 8339
	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
8340 8341
		SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);

Y
Yaniv Rosner 已提交
8342 8343
	bp->port.link_config[1] =
		SHMEM_RD(bp, dev_info.port_feature_config[port].link_config2);
8344

Y
Yaniv Rosner 已提交
8345 8346
	bp->link_params.multi_phy_config =
		SHMEM_RD(bp, dev_info.port_hw_config[port].multi_phy_config);
8347 8348 8349
	/* If the device is capable of WoL, set the default state according
	 * to the HW
	 */
E
Eilon Greenstein 已提交
8350
	config = SHMEM_RD(bp, dev_info.port_feature_config[port].config);
8351 8352 8353
	bp->wol = (!(bp->flags & NO_WOL_FLAG) &&
		   (config & PORT_FEATURE_WOL_ENABLED));

D
Dmitry Kravkov 已提交
8354
	BNX2X_DEV_INFO("lane_config 0x%08x  "
Y
Yaniv Rosner 已提交
8355
		       "speed_cap_mask0 0x%08x  link_config0 0x%08x\n",
Y
Yaniv Rosner 已提交
8356
		       bp->link_params.lane_config,
Y
Yaniv Rosner 已提交
8357 8358
		       bp->link_params.speed_cap_mask[0],
		       bp->port.link_config[0]);
E
Eliezer Tamir 已提交
8359

Y
Yaniv Rosner 已提交
8360
	bp->link_params.switch_cfg = (bp->port.link_config[0] &
D
Dmitry Kravkov 已提交
8361
				      PORT_FEATURE_CONNECTED_SWITCH_MASK);
Y
Yaniv Rosner 已提交
8362
	bnx2x_phy_probe(&bp->link_params);
Y
Yaniv Rosner 已提交
8363
	bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
E
Eliezer Tamir 已提交
8364 8365 8366

	bnx2x_link_settings_requested(bp);

E
Eilon Greenstein 已提交
8367 8368 8369 8370
	/*
	 * If connected directly, work with the internal PHY, otherwise, work
	 * with the external PHY
	 */
Y
Yaniv Rosner 已提交
8371 8372 8373 8374
	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
8375
	if (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
Y
Yaniv Rosner 已提交
8376
		bp->mdio.prtad = bp->port.phy_addr;
E
Eilon Greenstein 已提交
8377 8378 8379 8380

	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
8381
			XGXS_EXT_PHY_ADDR(ext_phy_config);
8382
}
E
Eilon Greenstein 已提交
8383

8384 8385 8386 8387 8388 8389 8390 8391 8392 8393 8394 8395 8396 8397 8398
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);
8399 8400

#ifdef BCM_CNIC
8401 8402 8403 8404 8405 8406 8407 8408 8409 8410 8411
		/* 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);
			}
		}
8412
#endif
8413 8414 8415 8416 8417 8418 8419 8420 8421 8422 8423 8424 8425 8426 8427 8428 8429 8430
	} 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
8431 8432 8433 8434 8435 8436 8437 8438 8439 8440 8441
#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
8442 8443 8444 8445
}

static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
{
8446 8447 8448
	int /*abs*/func = BP_ABS_FUNC(bp);
	int vn, port;
	u32 val = 0;
8449
	int rc = 0;
E
Eliezer Tamir 已提交
8450

8451
	bnx2x_get_common_hwinfo(bp);
E
Eliezer Tamir 已提交
8452

D
Dmitry Kravkov 已提交
8453 8454 8455 8456 8457
	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
8458 8459
		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
8460 8461 8462 8463 8464 8465 8466 8467
	} 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");
8468

D
Dmitry Kravkov 已提交
8469 8470 8471 8472 8473 8474 8475 8476 8477
		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
	 */
8478

D
Dmitry Kravkov 已提交
8479 8480
	bp->mf_ov = 0;
	bp->mf_mode = 0;
D
Dmitry Kravkov 已提交
8481
	vn = BP_E1HVN(bp);
8482 8483
	port = BP_PORT(bp);

D
Dmitry Kravkov 已提交
8484
	if (!CHIP_IS_E1(bp) && !BP_NOMCP(bp)) {
8485 8486 8487 8488
		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
8489 8490 8491 8492
		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 +
8493 8494
				offsetof(struct shmem_region, func_mb) +
				E1H_FUNC_MAX * sizeof(struct drv_func_mb);
8495 8496 8497 8498 8499 8500 8501 8502 8503 8504 8505 8506 8507 8508 8509 8510 8511 8512 8513 8514 8515 8516 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
		/*
		 * 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
8543

8544
		BNX2X_DEV_INFO("%s function mode\n",
D
Dmitry Kravkov 已提交
8545
			       IS_MF(bp) ? "multi" : "single");
8546

8547 8548 8549 8550
		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;
8551
			if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
D
Dmitry Kravkov 已提交
8552
				bp->mf_ov = val;
8553 8554 8555
				BNX2X_DEV_INFO("MF OV for func %d is %d"
					       " (0x%04x)\n", func,
					       bp->mf_ov, bp->mf_ov);
8556
			} else {
8557 8558
				BNX2X_ERR("No valid MF OV for func %d,"
					  "  aborting\n", func);
8559 8560
				rc = -EPERM;
			}
8561 8562 8563 8564 8565 8566 8567 8568 8569
			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);
8570 8571
				rc = -EPERM;
			}
8572
			break;
8573
		}
8574

8575
	}
E
Eliezer Tamir 已提交
8576

D
Dmitry Kravkov 已提交
8577 8578
	/* adjust igu_sb_cnt to MF for E1x */
	if (CHIP_IS_E1x(bp) && IS_MF(bp))
8579 8580
		bp->igu_sb_cnt /= E1HVN_MAX;

D
Dmitry Kravkov 已提交
8581 8582 8583 8584 8585 8586 8587 8588 8589
	/*
	 * 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));

8590 8591 8592
	if (!BP_NOMCP(bp)) {
		bnx2x_get_port_hwinfo(bp);

D
Dmitry Kravkov 已提交
8593 8594 8595
		bp->fw_seq =
			(SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
			 DRV_MSG_SEQ_NUMBER_MASK);
8596 8597 8598
		BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
	}

8599 8600
	/* Get MAC addresses */
	bnx2x_get_mac_hwinfo(bp);
E
Eliezer Tamir 已提交
8601

8602 8603 8604
	return rc;
}

8605 8606 8607 8608 8609 8610 8611 8612 8613 8614 8615 8616 8617 8618 8619 8620 8621 8622 8623 8624 8625 8626 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
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;
}

8669 8670
static int __devinit bnx2x_init_bp(struct bnx2x *bp)
{
D
Dmitry Kravkov 已提交
8671
	int func;
8672
	int timer_interval;
8673 8674
	int rc;

8675 8676
	/* Disable interrupt handling until HW is initialized */
	atomic_set(&bp->intr_sem, 1);
E
Eilon Greenstein 已提交
8677
	smp_wmb(); /* Ensure that bp->intr_sem update is SMP-safe */
8678

8679
	mutex_init(&bp->port.phy_mutex);
E
Eilon Greenstein 已提交
8680
	mutex_init(&bp->fw_mb_mutex);
8681
	spin_lock_init(&bp->stats_lock);
8682 8683 8684
#ifdef BCM_CNIC
	mutex_init(&bp->cnic_mutex);
#endif
E
Eliezer Tamir 已提交
8685

8686
	INIT_DELAYED_WORK(&bp->sp_task, bnx2x_sp_task);
8687
	INIT_DELAYED_WORK(&bp->reset_task, bnx2x_reset_task);
8688 8689 8690

	rc = bnx2x_get_hwinfo(bp);

8691 8692 8693
	if (!rc)
		rc = bnx2x_alloc_mem_bp(bp);

8694
	bnx2x_read_fwinfo(bp);
D
Dmitry Kravkov 已提交
8695 8696 8697

	func = BP_FUNC(bp);

8698 8699 8700 8701 8702
	/* 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
8703
		dev_err(&bp->pdev->dev, "FPGA detected\n");
8704 8705

	if (BP_NOMCP(bp) && (func == 0))
V
Vladislav Zolotarov 已提交
8706 8707
		dev_err(&bp->pdev->dev, "MCP disabled, "
					"must load devices in order!\n");
8708

E
Eilon Greenstein 已提交
8709
	bp->multi_mode = multi_mode;
8710
	bp->int_mode = int_mode;
E
Eilon Greenstein 已提交
8711

D
Dmitry Kravkov 已提交
8712 8713
	bp->dev->features |= NETIF_F_GRO;

8714 8715 8716 8717 8718 8719 8720 8721
	/* 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;
	}
8722
	bp->disable_tpa = disable_tpa;
8723

8724 8725 8726 8727 8728
	if (CHIP_IS_E1(bp))
		bp->dropless_fc = 0;
	else
		bp->dropless_fc = dropless_fc;

8729
	bp->mrrs = mrrs;
8730

8731 8732 8733 8734
	bp->tx_ring_size = MAX_TX_AVAIL;

	bp->rx_csum = 1;

8735
	/* make sure that the numbers are in the right granularity */
8736 8737
	bp->tx_ticks = (50 / BNX2X_BTR) * BNX2X_BTR;
	bp->rx_ticks = (25 / BNX2X_BTR) * BNX2X_BTR;
8738

8739 8740
	timer_interval = (CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ);
	bp->current_interval = (poll ? poll : timer_interval);
8741 8742 8743 8744 8745 8746

	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
8747
	bnx2x_dcbx_set_state(bp, true, BNX2X_DCBX_ENABLED_ON_NEG_ON);
V
Vladislav Zolotarov 已提交
8748 8749
	bnx2x_dcbx_init_params(bp);

8750
	return rc;
E
Eliezer Tamir 已提交
8751 8752 8753
}


8754 8755 8756
/****************************************************************************
* General service functions
****************************************************************************/
E
Eliezer Tamir 已提交
8757

Y
Yitchak Gertner 已提交
8758
/* called with rtnl_lock */
E
Eliezer Tamir 已提交
8759 8760 8761 8762
static int bnx2x_open(struct net_device *dev)
{
	struct bnx2x *bp = netdev_priv(dev);

E
Eilon Greenstein 已提交
8763 8764
	netif_carrier_off(dev);

E
Eliezer Tamir 已提交
8765 8766
	bnx2x_set_power_state(bp, PCI_D0);

8767 8768 8769 8770 8771 8772 8773 8774 8775 8776 8777 8778 8779 8780 8781 8782 8783 8784 8785 8786 8787 8788 8789 8790 8791 8792 8793 8794 8795 8796 8797 8798 8799 8800
	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
8801
	return bnx2x_nic_load(bp, LOAD_OPEN);
E
Eliezer Tamir 已提交
8802 8803
}

Y
Yitchak Gertner 已提交
8804
/* called with rtnl_lock */
E
Eliezer Tamir 已提交
8805 8806 8807 8808 8809
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
8810
	bnx2x_nic_unload(bp, UNLOAD_CLOSE);
8811
	bnx2x_set_power_state(bp, PCI_D3hot);
E
Eliezer Tamir 已提交
8812 8813 8814 8815

	return 0;
}

E
Eilon Greenstein 已提交
8816
/* called with netif_tx_lock from dev_mcast.c */
D
Dmitry Kravkov 已提交
8817
void bnx2x_set_rx_mode(struct net_device *dev)
8818 8819 8820 8821 8822 8823 8824 8825 8826 8827 8828 8829 8830 8831 8832
{
	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) ||
8833 8834
		 ((netdev_mc_count(dev) > BNX2X_MAX_MULTICAST) &&
		  CHIP_IS_E1(bp)))
8835 8836 8837
		rx_mode = BNX2X_RX_MODE_ALLMULTI;
	else { /* some multicasts */
		if (CHIP_IS_E1(bp)) {
8838 8839 8840 8841 8842 8843 8844 8845
			/*
			 * 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));
8846

8847
			bnx2x_set_e1_mc_list(bp, offset);
8848 8849
		} else { /* E1H */
			/* Accept one or more multicasts */
8850
			struct netdev_hw_addr *ha;
8851 8852 8853 8854 8855 8856
			u32 mc_filter[MC_HASH_SIZE];
			u32 crc, bit, regidx;
			int i;

			memset(mc_filter, 0, 4 * MC_HASH_SIZE);

8857
			netdev_for_each_mc_addr(ha, dev) {
J
Johannes Berg 已提交
8858
				DP(NETIF_MSG_IFUP, "Adding mcast MAC: %pM\n",
8859
				   bnx2x_mc_addr(ha));
8860

8861 8862
				crc = crc32c_le(0, bnx2x_mc_addr(ha),
						ETH_ALEN);
8863 8864 8865 8866 8867 8868 8869 8870 8871 8872 8873 8874 8875 8876 8877 8878
				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
8879
/* called with rtnl_lock */
E
Eilon Greenstein 已提交
8880 8881
static int bnx2x_mdio_read(struct net_device *netdev, int prtad,
			   int devad, u16 addr)
E
Eliezer Tamir 已提交
8882
{
E
Eilon Greenstein 已提交
8883 8884 8885
	struct bnx2x *bp = netdev_priv(netdev);
	u16 value;
	int rc;
E
Eliezer Tamir 已提交
8886

E
Eilon Greenstein 已提交
8887 8888
	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
8889

E
Eilon Greenstein 已提交
8890 8891
	/* 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
8892

E
Eilon Greenstein 已提交
8893
	bnx2x_acquire_phy_lock(bp);
Y
Yaniv Rosner 已提交
8894
	rc = bnx2x_phy_read(&bp->link_params, prtad, devad, addr, &value);
E
Eilon Greenstein 已提交
8895 8896
	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
8897

E
Eilon Greenstein 已提交
8898 8899 8900 8901
	if (!rc)
		rc = value;
	return rc;
}
E
Eliezer Tamir 已提交
8902

E
Eilon Greenstein 已提交
8903 8904 8905 8906 8907 8908 8909 8910 8911 8912 8913 8914
/* 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
8915

E
Eilon Greenstein 已提交
8916
	bnx2x_acquire_phy_lock(bp);
Y
Yaniv Rosner 已提交
8917
	rc = bnx2x_phy_write(&bp->link_params, prtad, devad, addr, value);
E
Eilon Greenstein 已提交
8918 8919 8920
	bnx2x_release_phy_lock(bp);
	return rc;
}
Y
Yaniv Rosner 已提交
8921

E
Eilon Greenstein 已提交
8922 8923 8924 8925 8926
/* 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
8927

E
Eilon Greenstein 已提交
8928 8929
	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
8930

E
Eilon Greenstein 已提交
8931 8932 8933 8934
	if (!netif_running(dev))
		return -EAGAIN;

	return mdio_mii_ioctl(&bp->mdio, mdio, cmd);
E
Eliezer Tamir 已提交
8935 8936
}

A
Alexey Dobriyan 已提交
8937
#ifdef CONFIG_NET_POLL_CONTROLLER
E
Eliezer Tamir 已提交
8938 8939 8940 8941 8942 8943 8944 8945 8946 8947
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

8948 8949 8950 8951
static const struct net_device_ops bnx2x_netdev_ops = {
	.ndo_open		= bnx2x_open,
	.ndo_stop		= bnx2x_close,
	.ndo_start_xmit		= bnx2x_start_xmit,
8952
	.ndo_select_queue	= bnx2x_select_queue,
E
Eilon Greenstein 已提交
8953
	.ndo_set_multicast_list	= bnx2x_set_rx_mode,
8954 8955 8956 8957 8958
	.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
8959
#ifdef CONFIG_NET_POLL_CONTROLLER
8960 8961 8962 8963
	.ndo_poll_controller	= poll_bnx2x,
#endif
};

8964 8965
static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
				    struct net_device *dev)
E
Eliezer Tamir 已提交
8966 8967 8968 8969 8970 8971 8972
{
	struct bnx2x *bp;
	int rc;

	SET_NETDEV_DEV(dev, &pdev->dev);
	bp = netdev_priv(dev);

8973 8974
	bp->dev = dev;
	bp->pdev = pdev;
E
Eliezer Tamir 已提交
8975
	bp->flags = 0;
D
Dmitry Kravkov 已提交
8976
	bp->pf_num = PCI_FUNC(pdev->devfn);
E
Eliezer Tamir 已提交
8977 8978 8979

	rc = pci_enable_device(pdev);
	if (rc) {
V
Vladislav Zolotarov 已提交
8980 8981
		dev_err(&bp->pdev->dev,
			"Cannot enable PCI device, aborting\n");
E
Eliezer Tamir 已提交
8982 8983 8984 8985
		goto err_out;
	}

	if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
V
Vladislav Zolotarov 已提交
8986 8987
		dev_err(&bp->pdev->dev,
			"Cannot find PCI device base address, aborting\n");
E
Eliezer Tamir 已提交
8988 8989 8990 8991 8992
		rc = -ENODEV;
		goto err_out_disable;
	}

	if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
V
Vladislav Zolotarov 已提交
8993 8994
		dev_err(&bp->pdev->dev, "Cannot find second PCI device"
		       " base address, aborting\n");
E
Eliezer Tamir 已提交
8995 8996 8997 8998
		rc = -ENODEV;
		goto err_out_disable;
	}

8999 9000 9001
	if (atomic_read(&pdev->enable_cnt) == 1) {
		rc = pci_request_regions(pdev, DRV_MODULE_NAME);
		if (rc) {
V
Vladislav Zolotarov 已提交
9002 9003
			dev_err(&bp->pdev->dev,
				"Cannot obtain PCI resources, aborting\n");
9004 9005
			goto err_out_disable;
		}
E
Eliezer Tamir 已提交
9006

9007 9008 9009
		pci_set_master(pdev);
		pci_save_state(pdev);
	}
E
Eliezer Tamir 已提交
9010 9011 9012

	bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
	if (bp->pm_cap == 0) {
V
Vladislav Zolotarov 已提交
9013 9014
		dev_err(&bp->pdev->dev,
			"Cannot find power management capability, aborting\n");
E
Eliezer Tamir 已提交
9015 9016 9017 9018 9019 9020
		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
9021 9022
		dev_err(&bp->pdev->dev,
			"Cannot find PCI Express capability, aborting\n");
E
Eliezer Tamir 已提交
9023 9024 9025 9026
		rc = -EIO;
		goto err_out_release;
	}

9027
	if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)) == 0) {
E
Eliezer Tamir 已提交
9028
		bp->flags |= USING_DAC_FLAG;
9029
		if (dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64)) != 0) {
V
Vladislav Zolotarov 已提交
9030 9031
			dev_err(&bp->pdev->dev, "dma_set_coherent_mask"
			       " failed, aborting\n");
E
Eliezer Tamir 已提交
9032 9033 9034 9035
			rc = -EIO;
			goto err_out_release;
		}

9036
	} else if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)) != 0) {
V
Vladislav Zolotarov 已提交
9037 9038
		dev_err(&bp->pdev->dev,
			"System does not support DMA, aborting\n");
E
Eliezer Tamir 已提交
9039 9040 9041 9042
		rc = -EIO;
		goto err_out_release;
	}

9043 9044 9045
	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
9046 9047 9048

	dev->irq = pdev->irq;

9049
	bp->regview = pci_ioremap_bar(pdev, 0);
E
Eliezer Tamir 已提交
9050
	if (!bp->regview) {
V
Vladislav Zolotarov 已提交
9051 9052
		dev_err(&bp->pdev->dev,
			"Cannot map register space, aborting\n");
E
Eliezer Tamir 已提交
9053 9054 9055 9056
		rc = -ENOMEM;
		goto err_out_release;
	}

9057
	bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
9058
					min_t(u64, BNX2X_DB_SIZE(bp),
9059
					      pci_resource_len(pdev, 2)));
E
Eliezer Tamir 已提交
9060
	if (!bp->doorbells) {
V
Vladislav Zolotarov 已提交
9061 9062
		dev_err(&bp->pdev->dev,
			"Cannot map doorbell space, aborting\n");
E
Eliezer Tamir 已提交
9063 9064 9065 9066 9067 9068
		rc = -ENOMEM;
		goto err_out_unmap;
	}

	bnx2x_set_power_state(bp, PCI_D0);

9069 9070 9071 9072 9073 9074 9075
	/* 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
9076

9077 9078 9079
	/* Reset the load counter */
	bnx2x_clear_load_cnt(bp);

9080
	dev->watchdog_timeo = TX_TIMEOUT;
E
Eliezer Tamir 已提交
9081

9082
	dev->netdev_ops = &bnx2x_netdev_ops;
9083
	bnx2x_set_ethtool_ops(dev);
9084
	dev->features |= NETIF_F_SG;
9085
	dev->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM;
9086 9087
	if (bp->flags & USING_DAC_FLAG)
		dev->features |= NETIF_F_HIGHDMA;
E
Eilon Greenstein 已提交
9088 9089
	dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
	dev->features |= NETIF_F_TSO6;
9090
	dev->features |= (NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX);
E
Eilon Greenstein 已提交
9091 9092

	dev->vlan_features |= NETIF_F_SG;
9093
	dev->vlan_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM;
E
Eilon Greenstein 已提交
9094 9095 9096 9097
	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
9098

S
Shmulik Ravid 已提交
9099 9100 9101 9102
#ifdef BCM_DCB
	dev->dcbnl_ops = &bnx2x_dcbnl_ops;
#endif

E
Eilon Greenstein 已提交
9103 9104 9105 9106 9107 9108 9109 9110
	/* 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
9111 9112 9113 9114 9115 9116 9117 9118 9119 9120 9121 9122 9123
	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:
9124 9125
	if (atomic_read(&pdev->enable_cnt) == 1)
		pci_release_regions(pdev);
E
Eliezer Tamir 已提交
9126 9127 9128 9129 9130 9131 9132 9133 9134

err_out_disable:
	pci_disable_device(pdev);
	pci_set_drvdata(pdev, NULL);

err_out:
	return rc;
}

9135 9136
static void __devinit bnx2x_get_pcie_width_speed(struct bnx2x *bp,
						 int *width, int *speed)
E
Eliezer Tamir 已提交
9137 9138 9139
{
	u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);

9140
	*width = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
E
Eliezer Tamir 已提交
9141

9142 9143
	/* return value of 1=2.5GHz 2=5GHz */
	*speed = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
E
Eliezer Tamir 已提交
9144
}
9145

9146
static int bnx2x_check_firmware(struct bnx2x *bp)
9147
{
9148
	const struct firmware *firmware = bp->firmware;
9149 9150 9151
	struct bnx2x_fw_file_hdr *fw_hdr;
	struct bnx2x_fw_file_section *sections;
	u32 offset, len, num_ops;
9152
	u16 *ops_offsets;
9153
	int i;
9154
	const u8 *fw_ver;
9155 9156 9157 9158 9159 9160 9161 9162 9163 9164 9165 9166 9167

	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
9168 9169
			dev_err(&bp->pdev->dev,
				"Section %d length is out of bounds\n", i);
9170 9171 9172 9173 9174 9175 9176 9177 9178 9179 9180
			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
9181 9182
			dev_err(&bp->pdev->dev,
				"Section offset %d is out of bounds\n", i);
9183 9184 9185 9186 9187 9188 9189 9190 9191 9192 9193
			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
9194 9195
		dev_err(&bp->pdev->dev,
			"Bad FW version:%d.%d.%d.%d. Should be %d.%d.%d.%d\n",
9196 9197 9198 9199 9200
		       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);
9201
		return -EINVAL;
9202 9203 9204 9205 9206
	}

	return 0;
}

9207
static inline void be32_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
9208
{
9209 9210
	const __be32 *source = (const __be32 *)_source;
	u32 *target = (u32 *)_target;
9211 9212 9213 9214 9215 9216 9217 9218 9219 9220
	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)}
 */
9221
static inline void bnx2x_prep_ops(const u8 *_source, u8 *_target, u32 n)
9222
{
9223 9224
	const __be32 *source = (const __be32 *)_source;
	struct raw_op *target = (struct raw_op *)_target;
9225 9226
	u32 i, j, tmp;

9227
	for (i = 0, j = 0; i < n/8; i++, j += 2) {
9228 9229
		tmp = be32_to_cpu(source[j]);
		target[i].op = (tmp >> 24) & 0xff;
V
Vladislav Zolotarov 已提交
9230 9231
		target[i].offset = tmp & 0xffffff;
		target[i].raw_data = be32_to_cpu(source[j + 1]);
9232 9233
	}
}
9234

9235 9236 9237 9238 9239 9240 9241 9242 9243 9244 9245 9246 9247 9248 9249 9250 9251 9252 9253 9254 9255 9256 9257 9258
/**
 * 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++;
	}
}

9259
static inline void be16_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
9260
{
9261 9262
	const __be16 *source = (const __be16 *)_source;
	u16 *target = (u16 *)_target;
9263 9264 9265 9266 9267 9268
	u32 i;

	for (i = 0; i < n/2; i++)
		target[i] = be16_to_cpu(source[i]);
}

9269 9270 9271 9272 9273 9274 9275 9276 9277 9278 9279
#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)
9280

9281
int bnx2x_init_firmware(struct bnx2x *bp)
9282
{
B
Ben Hutchings 已提交
9283
	const char *fw_file_name;
9284
	struct bnx2x_fw_file_hdr *fw_hdr;
B
Ben Hutchings 已提交
9285
	int rc;
9286 9287

	if (CHIP_IS_E1(bp))
B
Ben Hutchings 已提交
9288
		fw_file_name = FW_FILE_NAME_E1;
V
Vladislav Zolotarov 已提交
9289
	else if (CHIP_IS_E1H(bp))
B
Ben Hutchings 已提交
9290
		fw_file_name = FW_FILE_NAME_E1H;
D
Dmitry Kravkov 已提交
9291 9292
	else if (CHIP_IS_E2(bp))
		fw_file_name = FW_FILE_NAME_E2;
V
Vladislav Zolotarov 已提交
9293
	else {
9294
		BNX2X_ERR("Unsupported chip revision\n");
V
Vladislav Zolotarov 已提交
9295 9296
		return -EINVAL;
	}
9297

9298
	BNX2X_DEV_INFO("Loading %s\n", fw_file_name);
9299

9300
	rc = request_firmware(&bp->firmware, fw_file_name, &bp->pdev->dev);
9301
	if (rc) {
9302
		BNX2X_ERR("Can't load firmware file %s\n", fw_file_name);
9303 9304 9305 9306 9307
		goto request_firmware_exit;
	}

	rc = bnx2x_check_firmware(bp);
	if (rc) {
9308
		BNX2X_ERR("Corrupt firmware file %s\n", fw_file_name);
9309 9310 9311 9312 9313 9314 9315 9316 9317 9318 9319 9320 9321
		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 */
9322 9323
	BNX2X_ALLOC_AND_SET(init_ops_offsets, init_offsets_alloc_err,
			    be16_to_cpu_n);
9324 9325

	/* STORMs firmware */
9326 9327 9328 9329 9330 9331 9332 9333 9334 9335 9336 9337 9338 9339 9340 9341
	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);
9342 9343
	/* IRO */
	BNX2X_ALLOC_AND_SET(iro_arr, iro_alloc_err, bnx2x_prep_iro);
9344 9345

	return 0;
9346

9347 9348
iro_alloc_err:
	kfree(bp->init_ops_offsets);
9349 9350 9351 9352 9353 9354 9355 9356 9357 9358
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;
}

9359 9360 9361
static inline int bnx2x_set_qm_cid_count(struct bnx2x *bp, int l2_cid_count)
{
	int cid_count = L2_FP_COUNT(l2_cid_count);
9362

9363 9364 9365 9366 9367
#ifdef BCM_CNIC
	cid_count += CNIC_CID_MAX;
#endif
	return roundup(cid_count, QM_CID_ROUND);
}
D
Dmitry Kravkov 已提交
9368

E
Eliezer Tamir 已提交
9369 9370 9371 9372 9373
static int __devinit bnx2x_init_one(struct pci_dev *pdev,
				    const struct pci_device_id *ent)
{
	struct net_device *dev = NULL;
	struct bnx2x *bp;
9374
	int pcie_width, pcie_speed;
9375 9376
	int rc, cid_count;

D
Dmitry Kravkov 已提交
9377 9378 9379 9380 9381 9382 9383 9384 9385 9386 9387
	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
9388

D
Dmitry Kravkov 已提交
9389 9390 9391
	default:
		pr_err("Unknown board_type (%ld), aborting\n",
			   ent->driver_data);
V
Vasiliy Kulikov 已提交
9392
		return -ENODEV;
D
Dmitry Kravkov 已提交
9393 9394
	}

V
Vladislav Zolotarov 已提交
9395
	cid_count += NONE_ETH_CONTEXT_USE + CNIC_CONTEXT_USE;
D
Dmitry Kravkov 已提交
9396

E
Eliezer Tamir 已提交
9397
	/* dev zeroed in init_etherdev */
9398
	dev = alloc_etherdev_mq(sizeof(*bp), cid_count);
9399
	if (!dev) {
V
Vladislav Zolotarov 已提交
9400
		dev_err(&pdev->dev, "Cannot allocate net device\n");
E
Eliezer Tamir 已提交
9401
		return -ENOMEM;
9402
	}
E
Eliezer Tamir 已提交
9403 9404

	bp = netdev_priv(dev);
9405
	bp->msg_enable = debug;
E
Eliezer Tamir 已提交
9406

9407 9408
	pci_set_drvdata(pdev, dev);

9409 9410
	bp->l2_cid_count = cid_count;

9411
	rc = bnx2x_init_dev(pdev, dev);
E
Eliezer Tamir 已提交
9412 9413 9414 9415 9416
	if (rc < 0) {
		free_netdev(dev);
		return rc;
	}

9417
	rc = bnx2x_init_bp(bp);
9418 9419 9420
	if (rc)
		goto init_one_exit;

9421 9422 9423
	/* calc qm_cid_count */
	bp->qm_cid_count = bnx2x_set_qm_cid_count(bp, cid_count);

V
Vladislav Zolotarov 已提交
9424 9425 9426 9427 9428 9429 9430
#ifdef BCM_CNIC
	/* disable FCOE L2 queue for E1x*/
	if (CHIP_IS_E1x(bp))
		bp->flags |= NO_FCOE_FLAG;

#endif

9431 9432 9433 9434 9435 9436 9437 9438
	/* 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);

9439 9440 9441 9442 9443 9444
	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
9445 9446 9447 9448 9449 9450 9451 9452 9453
#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

9454
	bnx2x_get_pcie_width_speed(bp, &pcie_width, &pcie_speed);
9455

V
Vladislav Zolotarov 已提交
9456 9457 9458
	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
9459 9460 9461 9462
	       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
9463 9464
	       dev->base_addr, bp->pdev->irq);
	pr_cont("node addr %pM\n", dev->dev_addr);
E
Eilon Greenstein 已提交
9465

E
Eliezer Tamir 已提交
9466
	return 0;
9467 9468 9469 9470 9471 9472 9473 9474 9475 9476 9477 9478 9479 9480 9481 9482 9483

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
9484 9485 9486 9487 9488
}

static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
{
	struct net_device *dev = pci_get_drvdata(pdev);
9489 9490 9491
	struct bnx2x *bp;

	if (!dev) {
V
Vladislav Zolotarov 已提交
9492
		dev_err(&pdev->dev, "BAD net device from bnx2x_init_one\n");
9493 9494 9495
		return;
	}
	bp = netdev_priv(dev);
E
Eliezer Tamir 已提交
9496

V
Vladislav Zolotarov 已提交
9497 9498 9499 9500 9501 9502 9503 9504 9505
#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
9506 9507
	unregister_netdev(dev);

9508 9509 9510 9511 9512
	/* Delete all NAPI objects */
	bnx2x_del_all_napi(bp);

	/* Disable MSI/MSI-X */
	bnx2x_disable_msi(bp);
D
Dmitry Kravkov 已提交
9513

9514 9515 9516
	/* Make sure RESET task is not scheduled before continuing */
	cancel_delayed_work_sync(&bp->reset_task);

E
Eliezer Tamir 已提交
9517 9518 9519 9520 9521 9522
	if (bp->regview)
		iounmap(bp->regview);

	if (bp->doorbells)
		iounmap(bp->doorbells);

9523 9524
	bnx2x_free_mem_bp(bp);

E
Eliezer Tamir 已提交
9525
	free_netdev(dev);
9526 9527 9528 9529

	if (atomic_read(&pdev->enable_cnt) == 1)
		pci_release_regions(pdev);

E
Eliezer Tamir 已提交
9530 9531 9532 9533
	pci_disable_device(pdev);
	pci_set_drvdata(pdev, NULL);
}

Y
Yitchak Gertner 已提交
9534 9535 9536 9537 9538 9539 9540 9541 9542
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);
9543
	netif_carrier_off(bp->dev);
Y
Yitchak Gertner 已提交
9544 9545 9546 9547 9548 9549

	del_timer_sync(&bp->timer);
	bp->stats_state = STATS_STATE_DISABLED;
	DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");

	/* Release IRQs */
9550
	bnx2x_free_irq(bp);
Y
Yitchak Gertner 已提交
9551 9552 9553

	/* Free SKBs, SGEs, TPA pool and driver internals */
	bnx2x_free_skbs(bp);
9554

V
Vladislav Zolotarov 已提交
9555
	for_each_rx_queue(bp, i)
Y
Yitchak Gertner 已提交
9556
		bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
9557

Y
Yitchak Gertner 已提交
9558 9559 9560 9561 9562 9563 9564 9565 9566 9567 9568 9569 9570 9571 9572 9573 9574 9575 9576 9577 9578 9579 9580 9581 9582 9583 9584 9585 9586 9587 9588
	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
9589 9590 9591
		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
9592 9593 9594 9595
		BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
	}
}

W
Wendy Xiong 已提交
9596 9597 9598 9599 9600 9601 9602 9603 9604 9605 9606 9607 9608 9609 9610 9611 9612 9613
/**
 * 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);

9614 9615 9616 9617 9618
	if (state == pci_channel_io_perm_failure) {
		rtnl_unlock();
		return PCI_ERS_RESULT_DISCONNECT;
	}

W
Wendy Xiong 已提交
9619
	if (netif_running(dev))
Y
Yitchak Gertner 已提交
9620
		bnx2x_eeh_nic_unload(bp);
W
Wendy Xiong 已提交
9621 9622 9623 9624 9625 9626 9627 9628 9629 9630 9631 9632 9633 9634 9635 9636 9637 9638 9639 9640 9641 9642 9643 9644 9645 9646 9647 9648 9649 9650 9651 9652 9653 9654 9655 9656 9657 9658 9659 9660 9661 9662 9663 9664 9665 9666 9667 9668 9669 9670 9671 9672

	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);

9673
	if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
D
Dmitry Kravkov 已提交
9674 9675
		printk(KERN_ERR "Handling parity error recovery. "
				"Try again later\n");
9676 9677 9678
		return;
	}

W
Wendy Xiong 已提交
9679 9680
	rtnl_lock();

Y
Yitchak Gertner 已提交
9681 9682
	bnx2x_eeh_recover(bp);

W
Wendy Xiong 已提交
9683
	if (netif_running(dev))
Y
Yitchak Gertner 已提交
9684
		bnx2x_nic_load(bp, LOAD_NORMAL);
W
Wendy Xiong 已提交
9685 9686 9687 9688 9689 9690 9691 9692

	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
9693 9694
	.slot_reset     = bnx2x_io_slot_reset,
	.resume         = bnx2x_io_resume,
W
Wendy Xiong 已提交
9695 9696
};

E
Eliezer Tamir 已提交
9697
static struct pci_driver bnx2x_pci_driver = {
W
Wendy Xiong 已提交
9698 9699 9700 9701 9702 9703 9704
	.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
9705 9706 9707 9708
};

static int __init bnx2x_init(void)
{
9709 9710
	int ret;

9711
	pr_info("%s", version);
9712

9713 9714
	bnx2x_wq = create_singlethread_workqueue("bnx2x");
	if (bnx2x_wq == NULL) {
9715
		pr_err("Cannot create workqueue\n");
9716 9717 9718
		return -ENOMEM;
	}

9719 9720
	ret = pci_register_driver(&bnx2x_pci_driver);
	if (ret) {
9721
		pr_err("Cannot register driver\n");
9722 9723 9724
		destroy_workqueue(bnx2x_wq);
	}
	return ret;
E
Eliezer Tamir 已提交
9725 9726 9727 9728 9729
}

static void __exit bnx2x_cleanup(void)
{
	pci_unregister_driver(&bnx2x_pci_driver);
9730 9731

	destroy_workqueue(bnx2x_wq);
E
Eliezer Tamir 已提交
9732 9733 9734 9735 9736
}

module_init(bnx2x_init);
module_exit(bnx2x_cleanup);

9737 9738 9739 9740 9741 9742 9743 9744 9745 9746 9747 9748 9749
#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);
9750
	BUG_ON(bp->cnic_spq_pending < count);
9751 9752 9753
	bp->cnic_spq_pending -= count;


9754 9755 9756 9757 9758 9759 9760 9761 9762 9763 9764 9765 9766 9767 9768 9769 9770 9771 9772 9773 9774 9775 9776 9777 9778 9779 9780 9781
	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
9782 9783
		} else if ((type == ISCSI_CONNECTION_TYPE) ||
			   (type == FCOE_CONNECTION_TYPE)) {
9784 9785 9786 9787 9788 9789 9790 9791
			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();
9792
			break;
9793
		}
9794 9795 9796 9797 9798 9799 9800 9801 9802 9803 9804 9805 9806 9807 9808 9809 9810 9811 9812 9813 9814 9815 9816 9817 9818 9819 9820 9821 9822 9823 9824 9825 9826 9827 9828 9829 9830 9831 9832 9833 9834

		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,
9835 9836
		   spe->data.update_data_addr.hi,
		   spe->data.update_data_addr.lo,
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 9863 9864 9865 9866 9867 9868 9869 9870 9871 9872 9873 9874 9875 9876 9877 9878 9879 9880 9881 9882 9883
		   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
9884
int bnx2x_cnic_notify(struct bnx2x *bp, int cmd)
9885 9886 9887 9888 9889 9890 9891 9892 9893 9894 9895 9896 9897 9898 9899 9900 9901
{
	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);
9902
	bnx2x_cnic_sp_post(bp, 0);
9903 9904 9905 9906 9907 9908 9909 9910 9911 9912 9913 9914 9915 9916 9917 9918
}

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;
	}

9919 9920
	case DRV_CTL_RET_L5_SPQ_CREDIT_CMD: {
		int count = ctl->data.credit.credit_count;
9921 9922 9923 9924 9925 9926 9927 9928 9929

		bnx2x_cnic_sp_post(bp, count);
		break;
	}

	/* rtnl_lock is held.  */
	case DRV_CTL_START_L2_CMD: {
		u32 cli = ctl->data.ring.client_id;

V
Vladislav Zolotarov 已提交
9930 9931 9932
		/* Clear FCoE FIP and ALL ENODE MACs addresses first */
		bnx2x_del_fcoe_eth_macs(bp);

9933 9934 9935 9936 9937 9938 9939 9940 9941 9942 9943 9944 9945 9946 9947 9948 9949 9950
		/* 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;
}

D
Dmitry Kravkov 已提交
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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;

10003
	cp->irq_arr[0].status_blk_num = CNIC_SB_ID(bp);
10004
	cp->irq_arr[0].status_blk_num2 = CNIC_IGU_SB_ID(bp);
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	cp->irq_arr[1].status_blk = bp->def_status_blk;
	cp->irq_arr[1].status_blk_num = DEF_SB_ID;
10007
	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;
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	cp->iro_arr = bp->iro_arr;
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	bnx2x_setup_cnic_irq_info(bp);
10042

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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;
10075
	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);
10078
	cp->ctx_tbl_len = CNIC_ILT_LINES;
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	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;
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	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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