device.h 38.2 KB
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/*
 * Copyright (c) 2006, 2007 Cisco Systems, Inc.  All rights reserved.
 *
 * This software is available to you under a choice of one of two
 * licenses.  You may choose to be licensed under the terms of the GNU
 * General Public License (GPL) Version 2, available from the file
 * COPYING in the main directory of this source tree, or the
 * OpenIB.org BSD license below:
 *
 *     Redistribution and use in source and binary forms, with or
 *     without modification, are permitted provided that the following
 *     conditions are met:
 *
 *	- Redistributions of source code must retain the above
 *	  copyright notice, this list of conditions and the following
 *	  disclaimer.
 *
 *	- Redistributions in binary form must reproduce the above
 *	  copyright notice, this list of conditions and the following
 *	  disclaimer in the documentation and/or other materials
 *	  provided with the distribution.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#ifndef MLX4_DEVICE_H
#define MLX4_DEVICE_H

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#include <linux/if_ether.h>
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#include <linux/pci.h>
#include <linux/completion.h>
#include <linux/radix-tree.h>
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#include <linux/cpu_rmap.h>
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#include <linux/crash_dump.h>
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#include <linux/atomic.h>
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#include <linux/timecounter.h>
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#define MAX_MSIX_P_PORT		17
#define MAX_MSIX		64
#define MSIX_LEGACY_SZ		4
#define MIN_MSIX_P_PORT		5

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#define MLX4_MAX_100M_UNITS_VAL		255	/*
						 * work around: can't set values
						 * greater then this value when
						 * using 100 Mbps units.
						 */
#define MLX4_RATELIMIT_100M_UNITS	3	/* 100 Mbps */
#define MLX4_RATELIMIT_1G_UNITS		4	/* 1 Gbps */
#define MLX4_RATELIMIT_DEFAULT		0x00ff

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#define MLX4_ROCE_MAX_GIDS	128
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#define MLX4_ROCE_PF_GIDS	16
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enum {
	MLX4_FLAG_MSI_X		= 1 << 0,
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	MLX4_FLAG_OLD_PORT_CMDS	= 1 << 1,
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	MLX4_FLAG_MASTER	= 1 << 2,
	MLX4_FLAG_SLAVE		= 1 << 3,
	MLX4_FLAG_SRIOV		= 1 << 4,
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	MLX4_FLAG_OLD_REG_MAC	= 1 << 6,
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	MLX4_FLAG_BONDED	= 1 << 7
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};

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enum {
	MLX4_PORT_CAP_IS_SM	= 1 << 1,
	MLX4_PORT_CAP_DEV_MGMT_SUP = 1 << 19,
};

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enum {
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	MLX4_MAX_PORTS		= 2,
	MLX4_MAX_PORT_PKEYS	= 128
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};

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/* base qkey for use in sriov tunnel-qp/proxy-qp communication.
 * These qkeys must not be allowed for general use. This is a 64k range,
 * and to test for violation, we use the mask (protect against future chg).
 */
#define MLX4_RESERVED_QKEY_BASE  (0xFFFF0000)
#define MLX4_RESERVED_QKEY_MASK  (0xFFFF0000)

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enum {
	MLX4_BOARD_ID_LEN = 64
};

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enum {
	MLX4_MAX_NUM_PF		= 16,
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	MLX4_MAX_NUM_VF		= 126,
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	MLX4_MAX_NUM_VF_P_PORT  = 64,
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	MLX4_MFUNC_MAX		= 128,
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	MLX4_MAX_EQ_NUM		= 1024,
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	MLX4_MFUNC_EQ_NUM	= 4,
	MLX4_MFUNC_MAX_EQES     = 8,
	MLX4_MFUNC_EQE_MASK     = (MLX4_MFUNC_MAX_EQES - 1)
};

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/* Driver supports 3 diffrent device methods to manage traffic steering:
 *	-device managed - High level API for ib and eth flow steering. FW is
 *			  managing flow steering tables.
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 *	- B0 steering mode - Common low level API for ib and (if supported) eth.
 *	- A0 steering mode - Limited low level API for eth. In case of IB,
 *			     B0 mode is in use.
 */
enum {
	MLX4_STEERING_MODE_A0,
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	MLX4_STEERING_MODE_B0,
	MLX4_STEERING_MODE_DEVICE_MANAGED
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};

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enum {
	MLX4_STEERING_DMFS_A0_DEFAULT,
	MLX4_STEERING_DMFS_A0_DYNAMIC,
	MLX4_STEERING_DMFS_A0_STATIC,
	MLX4_STEERING_DMFS_A0_DISABLE,
	MLX4_STEERING_DMFS_A0_NOT_SUPPORTED
};

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static inline const char *mlx4_steering_mode_str(int steering_mode)
{
	switch (steering_mode) {
	case MLX4_STEERING_MODE_A0:
		return "A0 steering";

	case MLX4_STEERING_MODE_B0:
		return "B0 steering";
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	case MLX4_STEERING_MODE_DEVICE_MANAGED:
		return "Device managed flow steering";

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	default:
		return "Unrecognize steering mode";
	}
}

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enum {
	MLX4_TUNNEL_OFFLOAD_MODE_NONE,
	MLX4_TUNNEL_OFFLOAD_MODE_VXLAN
};

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enum {
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	MLX4_DEV_CAP_FLAG_RC		= 1LL <<  0,
	MLX4_DEV_CAP_FLAG_UC		= 1LL <<  1,
	MLX4_DEV_CAP_FLAG_UD		= 1LL <<  2,
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	MLX4_DEV_CAP_FLAG_XRC		= 1LL <<  3,
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	MLX4_DEV_CAP_FLAG_SRQ		= 1LL <<  6,
	MLX4_DEV_CAP_FLAG_IPOIB_CSUM	= 1LL <<  7,
	MLX4_DEV_CAP_FLAG_BAD_PKEY_CNTR	= 1LL <<  8,
	MLX4_DEV_CAP_FLAG_BAD_QKEY_CNTR	= 1LL <<  9,
	MLX4_DEV_CAP_FLAG_DPDP		= 1LL << 12,
	MLX4_DEV_CAP_FLAG_BLH		= 1LL << 15,
	MLX4_DEV_CAP_FLAG_MEM_WINDOW	= 1LL << 16,
	MLX4_DEV_CAP_FLAG_APM		= 1LL << 17,
	MLX4_DEV_CAP_FLAG_ATOMIC	= 1LL << 18,
	MLX4_DEV_CAP_FLAG_RAW_MCAST	= 1LL << 19,
	MLX4_DEV_CAP_FLAG_UD_AV_PORT	= 1LL << 20,
	MLX4_DEV_CAP_FLAG_UD_MCAST	= 1LL << 21,
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	MLX4_DEV_CAP_FLAG_IBOE		= 1LL << 30,
	MLX4_DEV_CAP_FLAG_UC_LOOPBACK	= 1LL << 32,
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	MLX4_DEV_CAP_FLAG_FCS_KEEP	= 1LL << 34,
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	MLX4_DEV_CAP_FLAG_WOL_PORT1	= 1LL << 37,
	MLX4_DEV_CAP_FLAG_WOL_PORT2	= 1LL << 38,
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	MLX4_DEV_CAP_FLAG_UDP_RSS	= 1LL << 40,
	MLX4_DEV_CAP_FLAG_VEP_UC_STEER	= 1LL << 41,
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	MLX4_DEV_CAP_FLAG_VEP_MC_STEER	= 1LL << 42,
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	MLX4_DEV_CAP_FLAG_COUNTERS	= 1LL << 48,
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	MLX4_DEV_CAP_FLAG_RSS_IP_FRAG   = 1LL << 52,
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	MLX4_DEV_CAP_FLAG_SET_ETH_SCHED = 1LL << 53,
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	MLX4_DEV_CAP_FLAG_SENSE_SUPPORT	= 1LL << 55,
	MLX4_DEV_CAP_FLAG_PORT_MNG_CHG_EV = 1LL << 59,
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	MLX4_DEV_CAP_FLAG_64B_EQE	= 1LL << 61,
	MLX4_DEV_CAP_FLAG_64B_CQE	= 1LL << 62
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};

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enum {
	MLX4_DEV_CAP_FLAG2_RSS			= 1LL <<  0,
	MLX4_DEV_CAP_FLAG2_RSS_TOP		= 1LL <<  1,
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	MLX4_DEV_CAP_FLAG2_RSS_XOR		= 1LL <<  2,
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	MLX4_DEV_CAP_FLAG2_FS_EN		= 1LL <<  3,
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	MLX4_DEV_CAP_FLAG2_REASSIGN_MAC_EN	= 1LL <<  4,
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	MLX4_DEV_CAP_FLAG2_TS			= 1LL <<  5,
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	MLX4_DEV_CAP_FLAG2_VLAN_CONTROL		= 1LL <<  6,
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	MLX4_DEV_CAP_FLAG2_FSM			= 1LL <<  7,
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	MLX4_DEV_CAP_FLAG2_UPDATE_QP		= 1LL <<  8,
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	MLX4_DEV_CAP_FLAG2_DMFS_IPOIB		= 1LL <<  9,
	MLX4_DEV_CAP_FLAG2_VXLAN_OFFLOADS	= 1LL <<  10,
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	MLX4_DEV_CAP_FLAG2_MAD_DEMUX		= 1LL <<  11,
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	MLX4_DEV_CAP_FLAG2_CQE_STRIDE		= 1LL <<  12,
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	MLX4_DEV_CAP_FLAG2_EQE_STRIDE		= 1LL <<  13,
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	MLX4_DEV_CAP_FLAG2_ETH_PROT_CTRL        = 1LL <<  14,
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	MLX4_DEV_CAP_FLAG2_ETH_BACKPL_AN_REP	= 1LL <<  15,
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	MLX4_DEV_CAP_FLAG2_CONFIG_DEV		= 1LL <<  16,
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	MLX4_DEV_CAP_FLAG2_SYS_EQS		= 1LL <<  17,
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	MLX4_DEV_CAP_FLAG2_80_VFS		= 1LL <<  18,
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	MLX4_DEV_CAP_FLAG2_FS_A0		= 1LL <<  19,
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	MLX4_DEV_CAP_FLAG2_RECOVERABLE_ERROR_EVENT = 1LL << 20,
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	MLX4_DEV_CAP_FLAG2_PORT_REMAP		= 1LL <<  21,
	MLX4_DEV_CAP_FLAG2_QCN			= 1LL <<  22,
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	MLX4_DEV_CAP_FLAG2_QP_RATE_LIMIT	= 1LL <<  23,
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	MLX4_DEV_CAP_FLAG2_FLOWSTATS_EN         = 1LL <<  24,
	MLX4_DEV_CAP_FLAG2_QOS_VPP		= 1LL <<  25,
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};

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enum {
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	MLX4_QUERY_FUNC_FLAGS_BF_RES_QP		= 1LL << 0,
	MLX4_QUERY_FUNC_FLAGS_A0_RES_QP		= 1LL << 1
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};

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enum {
	MLX4_VF_CAP_FLAG_RESET			= 1 << 0
};

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/* bit enums for an 8-bit flags field indicating special use
 * QPs which require special handling in qp_reserve_range.
 * Currently, this only includes QPs used by the ETH interface,
 * where we expect to use blueflame.  These QPs must not have
 * bits 6 and 7 set in their qp number.
 *
 * This enum may use only bits 0..7.
 */
enum {
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	MLX4_RESERVE_A0_QP	= 1 << 6,
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	MLX4_RESERVE_ETH_BF_QP	= 1 << 7,
};

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enum {
	MLX4_DEV_CAP_64B_EQE_ENABLED	= 1LL << 0,
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	MLX4_DEV_CAP_64B_CQE_ENABLED	= 1LL << 1,
	MLX4_DEV_CAP_CQE_STRIDE_ENABLED	= 1LL << 2,
	MLX4_DEV_CAP_EQE_STRIDE_ENABLED	= 1LL << 3
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};

enum {
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	MLX4_USER_DEV_CAP_LARGE_CQE	= 1L << 0
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};

enum {
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	MLX4_FUNC_CAP_64B_EQE_CQE	= 1L << 0,
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	MLX4_FUNC_CAP_EQE_CQE_STRIDE	= 1L << 1,
	MLX4_FUNC_CAP_DMFS_A0_STATIC	= 1L << 2
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};


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#define MLX4_ATTR_EXTENDED_PORT_INFO	cpu_to_be16(0xff90)

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enum {
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	MLX4_BMME_FLAG_WIN_TYPE_2B	= 1 <<  1,
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	MLX4_BMME_FLAG_LOCAL_INV	= 1 <<  6,
	MLX4_BMME_FLAG_REMOTE_INV	= 1 <<  7,
	MLX4_BMME_FLAG_TYPE_2_WIN	= 1 <<  9,
	MLX4_BMME_FLAG_RESERVED_LKEY	= 1 << 10,
	MLX4_BMME_FLAG_FAST_REG_WR	= 1 << 11,
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	MLX4_BMME_FLAG_PORT_REMAP	= 1 << 24,
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	MLX4_BMME_FLAG_VSD_INIT2RTR	= 1 << 28,
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};

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enum {
	MLX4_FLAG_PORT_REMAP		= MLX4_BMME_FLAG_PORT_REMAP
};

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enum mlx4_event {
	MLX4_EVENT_TYPE_COMP		   = 0x00,
	MLX4_EVENT_TYPE_PATH_MIG	   = 0x01,
	MLX4_EVENT_TYPE_COMM_EST	   = 0x02,
	MLX4_EVENT_TYPE_SQ_DRAINED	   = 0x03,
	MLX4_EVENT_TYPE_SRQ_QP_LAST_WQE	   = 0x13,
	MLX4_EVENT_TYPE_SRQ_LIMIT	   = 0x14,
	MLX4_EVENT_TYPE_CQ_ERROR	   = 0x04,
	MLX4_EVENT_TYPE_WQ_CATAS_ERROR	   = 0x05,
	MLX4_EVENT_TYPE_EEC_CATAS_ERROR	   = 0x06,
	MLX4_EVENT_TYPE_PATH_MIG_FAILED	   = 0x07,
	MLX4_EVENT_TYPE_WQ_INVAL_REQ_ERROR = 0x10,
	MLX4_EVENT_TYPE_WQ_ACCESS_ERROR	   = 0x11,
	MLX4_EVENT_TYPE_SRQ_CATAS_ERROR	   = 0x12,
	MLX4_EVENT_TYPE_LOCAL_CATAS_ERROR  = 0x08,
	MLX4_EVENT_TYPE_PORT_CHANGE	   = 0x09,
	MLX4_EVENT_TYPE_EQ_OVERFLOW	   = 0x0f,
	MLX4_EVENT_TYPE_ECC_DETECT	   = 0x0e,
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	MLX4_EVENT_TYPE_CMD		   = 0x0a,
	MLX4_EVENT_TYPE_VEP_UPDATE	   = 0x19,
	MLX4_EVENT_TYPE_COMM_CHANNEL	   = 0x18,
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	MLX4_EVENT_TYPE_OP_REQUIRED	   = 0x1a,
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	MLX4_EVENT_TYPE_FATAL_WARNING	   = 0x1b,
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	MLX4_EVENT_TYPE_FLR_EVENT	   = 0x1c,
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	MLX4_EVENT_TYPE_PORT_MNG_CHG_EVENT = 0x1d,
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	MLX4_EVENT_TYPE_RECOVERABLE_ERROR_EVENT  = 0x3e,
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	MLX4_EVENT_TYPE_NONE		   = 0xff,
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};

enum {
	MLX4_PORT_CHANGE_SUBTYPE_DOWN	= 1,
	MLX4_PORT_CHANGE_SUBTYPE_ACTIVE	= 4
};

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enum {
	MLX4_RECOVERABLE_ERROR_EVENT_SUBTYPE_BAD_CABLE		= 1,
	MLX4_RECOVERABLE_ERROR_EVENT_SUBTYPE_UNSUPPORTED_CABLE	= 2,
};

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enum {
	MLX4_FATAL_WARNING_SUBTYPE_WARMING = 0,
};

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enum slave_port_state {
	SLAVE_PORT_DOWN = 0,
	SLAVE_PENDING_UP,
	SLAVE_PORT_UP,
};

enum slave_port_gen_event {
	SLAVE_PORT_GEN_EVENT_DOWN = 0,
	SLAVE_PORT_GEN_EVENT_UP,
	SLAVE_PORT_GEN_EVENT_NONE,
};

enum slave_port_state_event {
	MLX4_PORT_STATE_DEV_EVENT_PORT_DOWN,
	MLX4_PORT_STATE_DEV_EVENT_PORT_UP,
	MLX4_PORT_STATE_IB_PORT_STATE_EVENT_GID_VALID,
	MLX4_PORT_STATE_IB_EVENT_GID_INVALID,
};

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enum {
	MLX4_PERM_LOCAL_READ	= 1 << 10,
	MLX4_PERM_LOCAL_WRITE	= 1 << 11,
	MLX4_PERM_REMOTE_READ	= 1 << 12,
	MLX4_PERM_REMOTE_WRITE	= 1 << 13,
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	MLX4_PERM_ATOMIC	= 1 << 14,
	MLX4_PERM_BIND_MW	= 1 << 15,
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	MLX4_PERM_MASK		= 0xFC00
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};

enum {
	MLX4_OPCODE_NOP			= 0x00,
	MLX4_OPCODE_SEND_INVAL		= 0x01,
	MLX4_OPCODE_RDMA_WRITE		= 0x08,
	MLX4_OPCODE_RDMA_WRITE_IMM	= 0x09,
	MLX4_OPCODE_SEND		= 0x0a,
	MLX4_OPCODE_SEND_IMM		= 0x0b,
	MLX4_OPCODE_LSO			= 0x0e,
	MLX4_OPCODE_RDMA_READ		= 0x10,
	MLX4_OPCODE_ATOMIC_CS		= 0x11,
	MLX4_OPCODE_ATOMIC_FA		= 0x12,
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	MLX4_OPCODE_MASKED_ATOMIC_CS	= 0x14,
	MLX4_OPCODE_MASKED_ATOMIC_FA	= 0x15,
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	MLX4_OPCODE_BIND_MW		= 0x18,
	MLX4_OPCODE_FMR			= 0x19,
	MLX4_OPCODE_LOCAL_INVAL		= 0x1b,
	MLX4_OPCODE_CONFIG_CMD		= 0x1f,

	MLX4_RECV_OPCODE_RDMA_WRITE_IMM	= 0x00,
	MLX4_RECV_OPCODE_SEND		= 0x01,
	MLX4_RECV_OPCODE_SEND_IMM	= 0x02,
	MLX4_RECV_OPCODE_SEND_INVAL	= 0x03,

	MLX4_CQE_OPCODE_ERROR		= 0x1e,
	MLX4_CQE_OPCODE_RESIZE		= 0x16,
};

enum {
	MLX4_STAT_RATE_OFFSET	= 5
};

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enum mlx4_protocol {
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	MLX4_PROT_IB_IPV6 = 0,
	MLX4_PROT_ETH,
	MLX4_PROT_IB_IPV4,
	MLX4_PROT_FCOE
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};

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enum {
	MLX4_MTT_FLAG_PRESENT		= 1
};

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enum mlx4_qp_region {
	MLX4_QP_REGION_FW = 0,
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	MLX4_QP_REGION_RSS_RAW_ETH,
	MLX4_QP_REGION_BOTTOM = MLX4_QP_REGION_RSS_RAW_ETH,
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	MLX4_QP_REGION_ETH_ADDR,
	MLX4_QP_REGION_FC_ADDR,
	MLX4_QP_REGION_FC_EXCH,
	MLX4_NUM_QP_REGION
};

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enum mlx4_port_type {
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	MLX4_PORT_TYPE_NONE	= 0,
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	MLX4_PORT_TYPE_IB	= 1,
	MLX4_PORT_TYPE_ETH	= 2,
	MLX4_PORT_TYPE_AUTO	= 3
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};

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enum mlx4_special_vlan_idx {
	MLX4_NO_VLAN_IDX        = 0,
	MLX4_VLAN_MISS_IDX,
	MLX4_VLAN_REGULAR
};

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enum mlx4_steer_type {
	MLX4_MC_STEER = 0,
	MLX4_UC_STEER,
	MLX4_NUM_STEERS
};

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enum {
	MLX4_NUM_FEXCH          = 64 * 1024,
};

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enum {
	MLX4_MAX_FAST_REG_PAGES = 511,
};

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enum {
	MLX4_DEV_PMC_SUBTYPE_GUID_INFO	 = 0x14,
	MLX4_DEV_PMC_SUBTYPE_PORT_INFO	 = 0x15,
	MLX4_DEV_PMC_SUBTYPE_PKEY_TABLE	 = 0x16,
};

/* Port mgmt change event handling */
enum {
	MLX4_EQ_PORT_INFO_MSTR_SM_LID_CHANGE_MASK	= 1 << 0,
	MLX4_EQ_PORT_INFO_GID_PFX_CHANGE_MASK		= 1 << 1,
	MLX4_EQ_PORT_INFO_LID_CHANGE_MASK		= 1 << 2,
	MLX4_EQ_PORT_INFO_CLIENT_REREG_MASK		= 1 << 3,
	MLX4_EQ_PORT_INFO_MSTR_SM_SL_CHANGE_MASK	= 1 << 4,
};

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enum {
	MLX4_DEVICE_STATE_UP			= 1 << 0,
	MLX4_DEVICE_STATE_INTERNAL_ERROR	= 1 << 1,
};

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enum {
	MLX4_INTERFACE_STATE_UP		= 1 << 0,
	MLX4_INTERFACE_STATE_DELETION	= 1 << 1,
};

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#define MSTR_SM_CHANGE_MASK (MLX4_EQ_PORT_INFO_MSTR_SM_SL_CHANGE_MASK | \
			     MLX4_EQ_PORT_INFO_MSTR_SM_LID_CHANGE_MASK)

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enum mlx4_module_id {
	MLX4_MODULE_ID_SFP              = 0x3,
	MLX4_MODULE_ID_QSFP             = 0xC,
	MLX4_MODULE_ID_QSFP_PLUS        = 0xD,
	MLX4_MODULE_ID_QSFP28           = 0x11,
};

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enum { /* rl */
	MLX4_QP_RATE_LIMIT_NONE		= 0,
	MLX4_QP_RATE_LIMIT_KBS		= 1,
	MLX4_QP_RATE_LIMIT_MBS		= 2,
	MLX4_QP_RATE_LIMIT_GBS		= 3
};

struct mlx4_rate_limit_caps {
	u16	num_rates; /* Number of different rates */
	u8	min_unit;
	u16	min_val;
	u8	max_unit;
	u16	max_val;
};

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static inline u64 mlx4_fw_ver(u64 major, u64 minor, u64 subminor)
{
	return (major << 32) | (minor << 16) | subminor;
}

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struct mlx4_phys_caps {
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	u32			gid_phys_table_len[MLX4_MAX_PORTS + 1];
	u32			pkey_phys_table_len[MLX4_MAX_PORTS + 1];
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	u32			num_phys_eqs;
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	u32			base_sqpn;
	u32			base_proxy_sqpn;
	u32			base_tunnel_sqpn;
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};

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struct mlx4_caps {
	u64			fw_ver;
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	u32			function;
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	int			num_ports;
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	int			vl_cap[MLX4_MAX_PORTS + 1];
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	int			ib_mtu_cap[MLX4_MAX_PORTS + 1];
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	__be32			ib_port_def_cap[MLX4_MAX_PORTS + 1];
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	u64			def_mac[MLX4_MAX_PORTS + 1];
	int			eth_mtu_cap[MLX4_MAX_PORTS + 1];
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	int			gid_table_len[MLX4_MAX_PORTS + 1];
	int			pkey_table_len[MLX4_MAX_PORTS + 1];
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	int			trans_type[MLX4_MAX_PORTS + 1];
	int			vendor_oui[MLX4_MAX_PORTS + 1];
	int			wavelength[MLX4_MAX_PORTS + 1];
	u64			trans_code[MLX4_MAX_PORTS + 1];
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	int			local_ca_ack_delay;
	int			num_uars;
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	u32			uar_page_size;
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	int			bf_reg_size;
	int			bf_regs_per_page;
	int			max_sq_sg;
	int			max_rq_sg;
	int			num_qps;
	int			max_wqes;
	int			max_sq_desc_sz;
	int			max_rq_desc_sz;
	int			max_qp_init_rdma;
	int			max_qp_dest_rdma;
512
	u32			*qp0_qkey;
513 514 515 516
	u32			*qp0_proxy;
	u32			*qp1_proxy;
	u32			*qp0_tunnel;
	u32			*qp1_tunnel;
517 518 519 520 521 522 523
	int			num_srqs;
	int			max_srq_wqes;
	int			max_srq_sge;
	int			reserved_srqs;
	int			num_cqs;
	int			max_cqes;
	int			reserved_cqs;
524
	int			num_sys_eqs;
525 526
	int			num_eqs;
	int			reserved_eqs;
527
	int			num_comp_vectors;
528
	int			comp_pool;
529
	int			num_mpts;
530
	int			max_fmr_maps;
531
	int			num_mtts;
532 533 534 535 536 537 538 539
	int			fmr_reserved_mtts;
	int			reserved_mtts;
	int			reserved_mrws;
	int			reserved_uars;
	int			num_mgms;
	int			num_amgms;
	int			reserved_mcgs;
	int			num_qp_per_mgm;
540
	int			steering_mode;
541
	int			dmfs_high_steer_mode;
542
	int			fs_log_max_ucast_qp_range_size;
543 544
	int			num_pds;
	int			reserved_pds;
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	int			max_xrcds;
	int			reserved_xrcds;
547
	int			mtt_entry_sz;
548
	u32			max_msg_sz;
549
	u32			page_size_cap;
550
	u64			flags;
551
	u64			flags2;
552 553
	u32			bmme_flags;
	u32			reserved_lkey;
554
	u16			stat_rate_support;
555
	u8			port_width_cap[MLX4_MAX_PORTS + 1];
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	int			max_gso_sz;
557
	int			max_rss_tbl_sz;
558 559 560 561 562
	int                     reserved_qps_cnt[MLX4_NUM_QP_REGION];
	int			reserved_qps;
	int                     reserved_qps_base[MLX4_NUM_QP_REGION];
	int                     log_num_macs;
	int                     log_num_vlans;
563 564
	enum mlx4_port_type	port_type[MLX4_MAX_PORTS + 1];
	u8			supported_type[MLX4_MAX_PORTS + 1];
565 566
	u8                      suggested_type[MLX4_MAX_PORTS + 1];
	u8                      default_sense[MLX4_MAX_PORTS + 1];
567
	u32			port_mask[MLX4_MAX_PORTS + 1];
568
	enum mlx4_port_type	possible_type[MLX4_MAX_PORTS + 1];
569
	u32			max_counters;
570
	u8			port_ib_mtu[MLX4_MAX_PORTS + 1];
571
	u16			sqp_demux;
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	u32			eqe_size;
	u32			cqe_size;
	u8			eqe_factor;
	u32			userspace_caps; /* userspace must be aware of these */
	u32			function_caps;  /* VFs must be aware of these */
577
	u16			hca_core_clock;
578
	u64			phys_port_id[MLX4_MAX_PORTS + 1];
579
	int			tunnel_offload_mode;
580
	u8			rx_checksum_flags_port[MLX4_MAX_PORTS + 1];
581
	u8			alloc_res_qp_mask;
582 583
	u32			dmfs_high_rate_qpn_base;
	u32			dmfs_high_rate_qpn_range;
584
	u32			vf_caps;
585
	struct mlx4_rate_limit_caps rl_caps;
586 587 588 589 590 591 592 593
};

struct mlx4_buf_list {
	void		       *buf;
	dma_addr_t		map;
};

struct mlx4_buf {
594 595
	struct mlx4_buf_list	direct;
	struct mlx4_buf_list   *page_list;
596 597 598 599 600 601
	int			nbufs;
	int			npages;
	int			page_shift;
};

struct mlx4_mtt {
602
	u32			offset;
603 604 605 606
	int			order;
	int			page_shift;
};

607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632
enum {
	MLX4_DB_PER_PAGE = PAGE_SIZE / 4
};

struct mlx4_db_pgdir {
	struct list_head	list;
	DECLARE_BITMAP(order0, MLX4_DB_PER_PAGE);
	DECLARE_BITMAP(order1, MLX4_DB_PER_PAGE / 2);
	unsigned long	       *bits[2];
	__be32		       *db_page;
	dma_addr_t		db_dma;
};

struct mlx4_ib_user_db_page;

struct mlx4_db {
	__be32			*db;
	union {
		struct mlx4_db_pgdir		*pgdir;
		struct mlx4_ib_user_db_page	*user_page;
	}			u;
	dma_addr_t		dma;
	int			index;
	int			order;
};

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struct mlx4_hwq_resources {
	struct mlx4_db		db;
	struct mlx4_mtt		mtt;
	struct mlx4_buf		buf;
};

639 640 641 642 643 644 645 646 647 648
struct mlx4_mr {
	struct mlx4_mtt		mtt;
	u64			iova;
	u64			size;
	u32			key;
	u32			pd;
	u32			access;
	int			enabled;
};

649 650 651 652 653 654 655 656 657 658 659 660
enum mlx4_mw_type {
	MLX4_MW_TYPE_1 = 1,
	MLX4_MW_TYPE_2 = 2,
};

struct mlx4_mw {
	u32			key;
	u32			pd;
	enum mlx4_mw_type	type;
	int			enabled;
};

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struct mlx4_fmr {
	struct mlx4_mr		mr;
	struct mlx4_mpt_entry  *mpt;
	__be64		       *mtts;
	dma_addr_t		dma_handle;
	int			max_pages;
	int			max_maps;
	int			maps;
	u8			page_shift;
};

672 673 674
struct mlx4_uar {
	unsigned long		pfn;
	int			index;
675 676 677 678 679 680 681
	struct list_head	bf_list;
	unsigned		free_bf_bmap;
	void __iomem	       *map;
	void __iomem	       *bf_map;
};

struct mlx4_bf {
682
	unsigned int		offset;
683 684 685
	int			buf_size;
	struct mlx4_uar	       *uar;
	void __iomem	       *reg;
686 687 688 689 690 691 692 693 694 695
};

struct mlx4_cq {
	void (*comp)		(struct mlx4_cq *);
	void (*event)		(struct mlx4_cq *, enum mlx4_event);

	struct mlx4_uar	       *uar;

	u32			cons_index;

696
	u16                     irq;
697 698 699 700 701
	__be32		       *set_ci_db;
	__be32		       *arm_db;
	int			arm_sn;

	int			cqn;
702
	unsigned		vector;
703 704 705

	atomic_t		refcount;
	struct completion	free;
706 707 708 709 710
	struct {
		struct list_head list;
		void (*comp)(struct mlx4_cq *);
		void		*priv;
	} tasklet_ctx;
711 712
	int		reset_notify_added;
	struct list_head	reset_notify;
713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748
};

struct mlx4_qp {
	void (*event)		(struct mlx4_qp *, enum mlx4_event);

	int			qpn;

	atomic_t		refcount;
	struct completion	free;
};

struct mlx4_srq {
	void (*event)		(struct mlx4_srq *, enum mlx4_event);

	int			srqn;
	int			max;
	int			max_gs;
	int			wqe_shift;

	atomic_t		refcount;
	struct completion	free;
};

struct mlx4_av {
	__be32			port_pd;
	u8			reserved1;
	u8			g_slid;
	__be16			dlid;
	u8			reserved2;
	u8			gid_index;
	u8			stat_rate;
	u8			hop_limit;
	__be32			sl_tclass_flowlabel;
	u8			dgid[16];
};

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Eli Cohen 已提交
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struct mlx4_eth_av {
	__be32		port_pd;
	u8		reserved1;
	u8		smac_idx;
	u16		reserved2;
	u8		reserved3;
	u8		gid_index;
	u8		stat_rate;
	u8		hop_limit;
	__be32		sl_tclass_flowlabel;
	u8		dgid[16];
760 761
	u8		s_mac[6];
	u8		reserved4[2];
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Eli Cohen 已提交
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	__be16		vlan;
763
	u8		mac[ETH_ALEN];
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};

union mlx4_ext_av {
	struct mlx4_av		ib;
	struct mlx4_eth_av	eth;
};

771 772 773 774 775 776 777 778 779 780 781
struct mlx4_counter {
	u8	reserved1[3];
	u8	counter_mode;
	__be32	num_ifc;
	u32	reserved2[2];
	__be64	rx_frames;
	__be64	rx_bytes;
	__be64	tx_frames;
	__be64	tx_bytes;
};

782 783 784 785 786 787 788 789 790 791
struct mlx4_quotas {
	int qp;
	int cq;
	int srq;
	int mpt;
	int mtt;
	int counter;
	int xrcd;
};

792 793 794 795 796
struct mlx4_vf_dev {
	u8			min_port;
	u8			n_ports;
};

797
struct mlx4_dev_persistent {
798
	struct pci_dev	       *pdev;
799 800 801
	struct mlx4_dev	       *dev;
	int                     nvfs[MLX4_MAX_PORTS + 1];
	int			num_vfs;
802 803
	enum mlx4_port_type curr_port_type[MLX4_MAX_PORTS + 1];
	enum mlx4_port_type curr_port_poss_type[MLX4_MAX_PORTS + 1];
804 805
	struct work_struct      catas_work;
	struct workqueue_struct *catas_wq;
806 807
	struct mutex	device_state_mutex; /* protect HW state */
	u8		state;
808 809
	struct mutex	interface_state_mutex; /* protect SW state */
	u8	interface_state;
810 811 812 813
};

struct mlx4_dev {
	struct mlx4_dev_persistent *persist;
814
	unsigned long		flags;
815
	unsigned long		num_slaves;
816
	struct mlx4_caps	caps;
817
	struct mlx4_phys_caps	phys_caps;
818
	struct mlx4_quotas	quotas;
819
	struct radix_tree_root	qp_table_tree;
820
	u8			rev_id;
821
	char			board_id[MLX4_BOARD_ID_LEN];
822
	int			numa_node;
823
	int			oper_log_mgm_entry_size;
824 825
	u64			regid_promisc_array[MLX4_MAX_PORTS + 1];
	u64			regid_allmulti_array[MLX4_MAX_PORTS + 1];
826
	struct mlx4_vf_dev     *dev_vfs;
827 828
};

829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897
struct mlx4_eqe {
	u8			reserved1;
	u8			type;
	u8			reserved2;
	u8			subtype;
	union {
		u32		raw[6];
		struct {
			__be32	cqn;
		} __packed comp;
		struct {
			u16	reserved1;
			__be16	token;
			u32	reserved2;
			u8	reserved3[3];
			u8	status;
			__be64	out_param;
		} __packed cmd;
		struct {
			__be32	qpn;
		} __packed qp;
		struct {
			__be32	srqn;
		} __packed srq;
		struct {
			__be32	cqn;
			u32	reserved1;
			u8	reserved2[3];
			u8	syndrome;
		} __packed cq_err;
		struct {
			u32	reserved1[2];
			__be32	port;
		} __packed port_change;
		struct {
			#define COMM_CHANNEL_BIT_ARRAY_SIZE	4
			u32 reserved;
			u32 bit_vec[COMM_CHANNEL_BIT_ARRAY_SIZE];
		} __packed comm_channel_arm;
		struct {
			u8	port;
			u8	reserved[3];
			__be64	mac;
		} __packed mac_update;
		struct {
			__be32	slave_id;
		} __packed flr_event;
		struct {
			__be16  current_temperature;
			__be16  warning_threshold;
		} __packed warming;
		struct {
			u8 reserved[3];
			u8 port;
			union {
				struct {
					__be16 mstr_sm_lid;
					__be16 port_lid;
					__be32 changed_attr;
					u8 reserved[3];
					u8 mstr_sm_sl;
					__be64 gid_prefix;
				} __packed port_info;
				struct {
					__be32 block_ptr;
					__be32 tbl_entries_mask;
				} __packed tbl_change_info;
			} params;
		} __packed port_mgmt_change;
898 899 900 901 902
		struct {
			u8 reserved[3];
			u8 port;
			u32 reserved1[5];
		} __packed bad_cable;
903 904 905 906 907 908
	}			event;
	u8			slave_id;
	u8			reserved3[2];
	u8			owner;
} __packed;

909 910 911 912 913 914 915 916 917 918 919 920 921 922
struct mlx4_init_port_param {
	int			set_guid0;
	int			set_node_guid;
	int			set_si_guid;
	u16			mtu;
	int			port_width_cap;
	u16			vl_cap;
	u16			max_gid;
	u16			max_pkey;
	u64			guid0;
	u64			node_guid;
	u64			si_guid;
};

923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942
#define MAD_IFC_DATA_SZ 192
/* MAD IFC Mailbox */
struct mlx4_mad_ifc {
	u8	base_version;
	u8	mgmt_class;
	u8	class_version;
	u8	method;
	__be16	status;
	__be16	class_specific;
	__be64	tid;
	__be16	attr_id;
	__be16	resv;
	__be32	attr_mod;
	__be64	mkey;
	__be16	dr_slid;
	__be16	dr_dlid;
	u8	reserved[28];
	u8	data[MAD_IFC_DATA_SZ];
} __packed;

943 944
#define mlx4_foreach_port(port, dev, type)				\
	for ((port) = 1; (port) <= (dev)->caps.num_ports; (port)++)	\
945
		if ((type) == (dev)->caps.port_mask[(port)])
946

947 948 949 950
#define mlx4_foreach_non_ib_transport_port(port, dev)                     \
	for ((port) = 1; (port) <= (dev)->caps.num_ports; (port)++)	  \
		if (((dev)->caps.port_mask[port] != MLX4_PORT_TYPE_IB))

951 952 953 954
#define mlx4_foreach_ib_transport_port(port, dev)                         \
	for ((port) = 1; (port) <= (dev)->caps.num_ports; (port)++)	  \
		if (((dev)->caps.port_mask[port] == MLX4_PORT_TYPE_IB) || \
			((dev)->caps.flags & MLX4_DEV_CAP_FLAG_IBOE))
955

956 957
#define MLX4_INVALID_SLAVE_ID	0xFF

958 959
void handle_port_mgmt_change_event(struct work_struct *work);

960 961 962 963 964
static inline int mlx4_master_func_num(struct mlx4_dev *dev)
{
	return dev->caps.function;
}

965 966 967 968 969
static inline int mlx4_is_master(struct mlx4_dev *dev)
{
	return dev->flags & MLX4_FLAG_MASTER;
}

970 971 972 973 974 975
static inline int mlx4_num_reserved_sqps(struct mlx4_dev *dev)
{
	return dev->phys_caps.base_sqpn + 8 +
		16 * MLX4_MFUNC_MAX * !!mlx4_is_master(dev);
}

976 977
static inline int mlx4_is_qp_reserved(struct mlx4_dev *dev, u32 qpn)
{
978
	return (qpn < dev->phys_caps.base_sqpn + 8 +
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Matan Barak 已提交
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		16 * MLX4_MFUNC_MAX * !!mlx4_is_master(dev) &&
		qpn >= dev->phys_caps.base_sqpn) ||
	       (qpn < dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW]);
982 983 984 985
}

static inline int mlx4_is_guest_proxy(struct mlx4_dev *dev, int slave, u32 qpn)
{
986
	int guest_proxy_base = dev->phys_caps.base_proxy_sqpn + slave * 8;
987

988
	if (qpn >= guest_proxy_base && qpn < guest_proxy_base + 8)
989 990 991
		return 1;

	return 0;
992
}
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994 995 996 997 998 999 1000 1001 1002
static inline int mlx4_is_mfunc(struct mlx4_dev *dev)
{
	return dev->flags & (MLX4_FLAG_SLAVE | MLX4_FLAG_MASTER);
}

static inline int mlx4_is_slave(struct mlx4_dev *dev)
{
	return dev->flags & MLX4_FLAG_SLAVE;
}
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1004 1005 1006 1007 1008
static inline int mlx4_is_eth(struct mlx4_dev *dev, int port)
{
	return dev->caps.port_type[port] == MLX4_PORT_TYPE_IB ? 0 : 1;
}

1009
int mlx4_buf_alloc(struct mlx4_dev *dev, int size, int max_direct,
1010
		   struct mlx4_buf *buf, gfp_t gfp);
1011
void mlx4_buf_free(struct mlx4_dev *dev, int size, struct mlx4_buf *buf);
1012 1013
static inline void *mlx4_buf_offset(struct mlx4_buf *buf, int offset)
{
1014
	if (BITS_PER_LONG == 64 || buf->nbufs == 1)
1015
		return buf->direct.buf + offset;
1016
	else
1017
		return buf->page_list[offset >> PAGE_SHIFT].buf +
1018 1019
			(offset & (PAGE_SIZE - 1));
}
1020 1021 1022

int mlx4_pd_alloc(struct mlx4_dev *dev, u32 *pdn);
void mlx4_pd_free(struct mlx4_dev *dev, u32 pdn);
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int mlx4_xrcd_alloc(struct mlx4_dev *dev, u32 *xrcdn);
void mlx4_xrcd_free(struct mlx4_dev *dev, u32 xrcdn);
1025 1026 1027

int mlx4_uar_alloc(struct mlx4_dev *dev, struct mlx4_uar *uar);
void mlx4_uar_free(struct mlx4_dev *dev, struct mlx4_uar *uar);
1028
int mlx4_bf_alloc(struct mlx4_dev *dev, struct mlx4_bf *bf, int node);
1029
void mlx4_bf_free(struct mlx4_dev *dev, struct mlx4_bf *bf);
1030 1031 1032 1033 1034 1035 1036 1037

int mlx4_mtt_init(struct mlx4_dev *dev, int npages, int page_shift,
		  struct mlx4_mtt *mtt);
void mlx4_mtt_cleanup(struct mlx4_dev *dev, struct mlx4_mtt *mtt);
u64 mlx4_mtt_addr(struct mlx4_dev *dev, struct mlx4_mtt *mtt);

int mlx4_mr_alloc(struct mlx4_dev *dev, u32 pd, u64 iova, u64 size, u32 access,
		  int npages, int page_shift, struct mlx4_mr *mr);
1038
int mlx4_mr_free(struct mlx4_dev *dev, struct mlx4_mr *mr);
1039
int mlx4_mr_enable(struct mlx4_dev *dev, struct mlx4_mr *mr);
1040 1041 1042 1043
int mlx4_mw_alloc(struct mlx4_dev *dev, u32 pd, enum mlx4_mw_type type,
		  struct mlx4_mw *mw);
void mlx4_mw_free(struct mlx4_dev *dev, struct mlx4_mw *mw);
int mlx4_mw_enable(struct mlx4_dev *dev, struct mlx4_mw *mw);
1044 1045 1046
int mlx4_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
		   int start_index, int npages, u64 *page_list);
int mlx4_buf_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
1047
		       struct mlx4_buf *buf, gfp_t gfp);
1048

1049 1050
int mlx4_db_alloc(struct mlx4_dev *dev, struct mlx4_db *db, int order,
		  gfp_t gfp);
1051 1052
void mlx4_db_free(struct mlx4_dev *dev, struct mlx4_db *db);

1053 1054 1055 1056 1057
int mlx4_alloc_hwq_res(struct mlx4_dev *dev, struct mlx4_hwq_resources *wqres,
		       int size, int max_direct);
void mlx4_free_hwq_res(struct mlx4_dev *mdev, struct mlx4_hwq_resources *wqres,
		       int size);

1058
int mlx4_cq_alloc(struct mlx4_dev *dev, int nent, struct mlx4_mtt *mtt,
1059
		  struct mlx4_uar *uar, u64 db_rec, struct mlx4_cq *cq,
1060
		  unsigned vector, int collapsed, int timestamp_en);
1061
void mlx4_cq_free(struct mlx4_dev *dev, struct mlx4_cq *cq);
1062 1063
int mlx4_qp_reserve_range(struct mlx4_dev *dev, int cnt, int align,
			  int *base, u8 flags);
1064 1065
void mlx4_qp_release_range(struct mlx4_dev *dev, int base_qpn, int cnt);

1066 1067
int mlx4_qp_alloc(struct mlx4_dev *dev, int qpn, struct mlx4_qp *qp,
		  gfp_t gfp);
1068 1069
void mlx4_qp_free(struct mlx4_dev *dev, struct mlx4_qp *qp);

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Sean Hefty 已提交
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int mlx4_srq_alloc(struct mlx4_dev *dev, u32 pdn, u32 cqn, u16 xrcdn,
		   struct mlx4_mtt *mtt, u64 db_rec, struct mlx4_srq *srq);
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void mlx4_srq_free(struct mlx4_dev *dev, struct mlx4_srq *srq);
int mlx4_srq_arm(struct mlx4_dev *dev, struct mlx4_srq *srq, int limit_watermark);
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Jack Morgenstein 已提交
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int mlx4_srq_query(struct mlx4_dev *dev, struct mlx4_srq *srq, int *limit_watermark);
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1076
int mlx4_INIT_PORT(struct mlx4_dev *dev, int port);
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int mlx4_CLOSE_PORT(struct mlx4_dev *dev, int port);

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int mlx4_unicast_attach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
			int block_mcast_loopback, enum mlx4_protocol prot);
int mlx4_unicast_detach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
			enum mlx4_protocol prot);
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int mlx4_multicast_attach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
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			  u8 port, int block_mcast_loopback,
			  enum mlx4_protocol protocol, u64 *reg_id);
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int mlx4_multicast_detach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
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			  enum mlx4_protocol protocol, u64 reg_id);

enum {
	MLX4_DOMAIN_UVERBS	= 0x1000,
	MLX4_DOMAIN_ETHTOOL     = 0x2000,
	MLX4_DOMAIN_RFS         = 0x3000,
	MLX4_DOMAIN_NIC    = 0x5000,
};

enum mlx4_net_trans_rule_id {
	MLX4_NET_TRANS_RULE_ID_ETH = 0,
	MLX4_NET_TRANS_RULE_ID_IB,
	MLX4_NET_TRANS_RULE_ID_IPV6,
	MLX4_NET_TRANS_RULE_ID_IPV4,
	MLX4_NET_TRANS_RULE_ID_TCP,
	MLX4_NET_TRANS_RULE_ID_UDP,
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	MLX4_NET_TRANS_RULE_ID_VXLAN,
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	MLX4_NET_TRANS_RULE_NUM, /* should be last */
};

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extern const u16 __sw_id_hw[];

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static inline int map_hw_to_sw_id(u16 header_id)
{

	int i;
	for (i = 0; i < MLX4_NET_TRANS_RULE_NUM; i++) {
		if (header_id == __sw_id_hw[i])
			return i;
	}
	return -EINVAL;
}

1120
enum mlx4_net_trans_promisc_mode {
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	MLX4_FS_REGULAR = 1,
	MLX4_FS_ALL_DEFAULT,
	MLX4_FS_MC_DEFAULT,
	MLX4_FS_UC_SNIFFER,
	MLX4_FS_MC_SNIFFER,
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	MLX4_FS_MODE_NUM, /* should be last */
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};

struct mlx4_spec_eth {
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	u8	dst_mac[ETH_ALEN];
	u8	dst_mac_msk[ETH_ALEN];
	u8	src_mac[ETH_ALEN];
	u8	src_mac_msk[ETH_ALEN];
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	u8	ether_type_enable;
	__be16	ether_type;
	__be16	vlan_id_msk;
	__be16	vlan_id;
};

struct mlx4_spec_tcp_udp {
	__be16 dst_port;
	__be16 dst_port_msk;
	__be16 src_port;
	__be16 src_port_msk;
};

struct mlx4_spec_ipv4 {
	__be32 dst_ip;
	__be32 dst_ip_msk;
	__be32 src_ip;
	__be32 src_ip_msk;
};

struct mlx4_spec_ib {
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	__be32  l3_qpn;
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	__be32	qpn_msk;
	u8	dst_gid[16];
	u8	dst_gid_msk[16];
};

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struct mlx4_spec_vxlan {
	__be32 vni;
	__be32 vni_mask;

};

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struct mlx4_spec_list {
	struct	list_head list;
	enum	mlx4_net_trans_rule_id id;
	union {
		struct mlx4_spec_eth eth;
		struct mlx4_spec_ib ib;
		struct mlx4_spec_ipv4 ipv4;
		struct mlx4_spec_tcp_udp tcp_udp;
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		struct mlx4_spec_vxlan vxlan;
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	};
};

enum mlx4_net_trans_hw_rule_queue {
	MLX4_NET_TRANS_Q_FIFO,
	MLX4_NET_TRANS_Q_LIFO,
};

struct mlx4_net_trans_rule {
	struct	list_head list;
	enum	mlx4_net_trans_hw_rule_queue queue_mode;
	bool	exclusive;
	bool	allow_loopback;
	enum	mlx4_net_trans_promisc_mode promisc_mode;
	u8	port;
	u16	priority;
	u32	qpn;
};

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struct mlx4_net_trans_rule_hw_ctrl {
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	__be16 prio;
	u8 type;
	u8 flags;
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	u8 rsvd1;
	u8 funcid;
	u8 vep;
	u8 port;
	__be32 qpn;
	__be32 rsvd2;
};

struct mlx4_net_trans_rule_hw_ib {
	u8 size;
	u8 rsvd1;
	__be16 id;
	u32 rsvd2;
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	__be32 l3_qpn;
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	__be32 qpn_mask;
	u8 dst_gid[16];
	u8 dst_gid_msk[16];
} __packed;

struct mlx4_net_trans_rule_hw_eth {
	u8	size;
	u8	rsvd;
	__be16	id;
	u8	rsvd1[6];
	u8	dst_mac[6];
	u16	rsvd2;
	u8	dst_mac_msk[6];
	u16	rsvd3;
	u8	src_mac[6];
	u16	rsvd4;
	u8	src_mac_msk[6];
	u8      rsvd5;
	u8      ether_type_enable;
	__be16  ether_type;
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	__be16  vlan_tag_msk;
	__be16  vlan_tag;
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} __packed;

struct mlx4_net_trans_rule_hw_tcp_udp {
	u8	size;
	u8	rsvd;
	__be16	id;
	__be16	rsvd1[3];
	__be16	dst_port;
	__be16	rsvd2;
	__be16	dst_port_msk;
	__be16	rsvd3;
	__be16	src_port;
	__be16	rsvd4;
	__be16	src_port_msk;
} __packed;

struct mlx4_net_trans_rule_hw_ipv4 {
	u8	size;
	u8	rsvd;
	__be16	id;
	__be32	rsvd1;
	__be32	dst_ip;
	__be32	dst_ip_msk;
	__be32	src_ip;
	__be32	src_ip_msk;
} __packed;

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struct mlx4_net_trans_rule_hw_vxlan {
	u8	size;
	u8	rsvd;
	__be16	id;
	__be32	rsvd1;
	__be32	vni;
	__be32	vni_mask;
} __packed;

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struct _rule_hw {
	union {
		struct {
			u8 size;
			u8 rsvd;
			__be16 id;
		};
		struct mlx4_net_trans_rule_hw_eth eth;
		struct mlx4_net_trans_rule_hw_ib ib;
		struct mlx4_net_trans_rule_hw_ipv4 ipv4;
		struct mlx4_net_trans_rule_hw_tcp_udp tcp_udp;
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		struct mlx4_net_trans_rule_hw_vxlan vxlan;
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	};
};

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enum {
	VXLAN_STEER_BY_OUTER_MAC	= 1 << 0,
	VXLAN_STEER_BY_OUTER_VLAN	= 1 << 1,
	VXLAN_STEER_BY_VSID_VNI		= 1 << 2,
	VXLAN_STEER_BY_INNER_MAC	= 1 << 3,
	VXLAN_STEER_BY_INNER_VLAN	= 1 << 4,
};


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int mlx4_flow_steer_promisc_add(struct mlx4_dev *dev, u8 port, u32 qpn,
				enum mlx4_net_trans_promisc_mode mode);
int mlx4_flow_steer_promisc_remove(struct mlx4_dev *dev, u8 port,
				   enum mlx4_net_trans_promisc_mode mode);
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int mlx4_multicast_promisc_add(struct mlx4_dev *dev, u32 qpn, u8 port);
int mlx4_multicast_promisc_remove(struct mlx4_dev *dev, u32 qpn, u8 port);
int mlx4_unicast_promisc_add(struct mlx4_dev *dev, u32 qpn, u8 port);
int mlx4_unicast_promisc_remove(struct mlx4_dev *dev, u32 qpn, u8 port);
int mlx4_SET_MCAST_FLTR(struct mlx4_dev *dev, u8 port, u64 mac, u64 clear, u8 mode);

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int mlx4_register_mac(struct mlx4_dev *dev, u8 port, u64 mac);
void mlx4_unregister_mac(struct mlx4_dev *dev, u8 port, u64 mac);
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int mlx4_get_base_qpn(struct mlx4_dev *dev, u8 port);
int __mlx4_replace_mac(struct mlx4_dev *dev, u8 port, int qpn, u64 new_mac);
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int mlx4_SET_PORT_general(struct mlx4_dev *dev, u8 port, int mtu,
			  u8 pptx, u8 pfctx, u8 pprx, u8 pfcrx);
int mlx4_SET_PORT_qpn_calc(struct mlx4_dev *dev, u8 port, u32 base_qpn,
			   u8 promisc);
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Or Gerlitz 已提交
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int mlx4_SET_PORT_VXLAN(struct mlx4_dev *dev, u8 port, u8 steering, int enable);
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int mlx4_find_cached_mac(struct mlx4_dev *dev, u8 port, u64 mac, int *idx);
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Eli Cohen 已提交
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int mlx4_find_cached_vlan(struct mlx4_dev *dev, u8 port, u16 vid, int *idx);
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int mlx4_register_vlan(struct mlx4_dev *dev, u8 port, u16 vlan, int *index);
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void mlx4_unregister_vlan(struct mlx4_dev *dev, u8 port, u16 vlan);
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Jack Morgenstein 已提交
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int mlx4_map_phys_fmr(struct mlx4_dev *dev, struct mlx4_fmr *fmr, u64 *page_list,
		      int npages, u64 iova, u32 *lkey, u32 *rkey);
int mlx4_fmr_alloc(struct mlx4_dev *dev, u32 pd, u32 access, int max_pages,
		   int max_maps, u8 page_shift, struct mlx4_fmr *fmr);
int mlx4_fmr_enable(struct mlx4_dev *dev, struct mlx4_fmr *fmr);
void mlx4_fmr_unmap(struct mlx4_dev *dev, struct mlx4_fmr *fmr,
		    u32 *lkey, u32 *rkey);
int mlx4_fmr_free(struct mlx4_dev *dev, struct mlx4_fmr *fmr);
int mlx4_SYNC_TPT(struct mlx4_dev *dev);
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int mlx4_test_interrupts(struct mlx4_dev *dev);
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int mlx4_assign_eq(struct mlx4_dev *dev, char *name, struct cpu_rmap *rmap,
		   int *vector);
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void mlx4_release_eq(struct mlx4_dev *dev, int vec);
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Jack Morgenstein 已提交
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int mlx4_eq_get_irq(struct mlx4_dev *dev, int vec);

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int mlx4_get_phys_port_id(struct mlx4_dev *dev);
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Yevgeny Petrilin 已提交
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int mlx4_wol_read(struct mlx4_dev *dev, u64 *config, int port);
int mlx4_wol_write(struct mlx4_dev *dev, u64 config, int port);

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int mlx4_counter_alloc(struct mlx4_dev *dev, u32 *idx);
void mlx4_counter_free(struct mlx4_dev *dev, u32 idx);

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int mlx4_flow_attach(struct mlx4_dev *dev,
		     struct mlx4_net_trans_rule *rule, u64 *reg_id);
int mlx4_flow_detach(struct mlx4_dev *dev, u64 reg_id);
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int mlx4_map_sw_to_hw_steering_mode(struct mlx4_dev *dev,
				    enum mlx4_net_trans_promisc_mode flow_type);
int mlx4_map_sw_to_hw_steering_id(struct mlx4_dev *dev,
				  enum mlx4_net_trans_rule_id id);
int mlx4_hw_rule_sz(struct mlx4_dev *dev, enum mlx4_net_trans_rule_id id);
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int mlx4_tunnel_steer_add(struct mlx4_dev *dev, unsigned char *addr,
			  int port, int qpn, u16 prio, u64 *reg_id);

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void mlx4_sync_pkey_table(struct mlx4_dev *dev, int slave, int port,
			  int i, int val);

1357 1358
int mlx4_get_parav_qkey(struct mlx4_dev *dev, u32 qpn, u32 *qkey);

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int mlx4_is_slave_active(struct mlx4_dev *dev, int slave);
int mlx4_gen_pkey_eqe(struct mlx4_dev *dev, int slave, u8 port);
int mlx4_gen_guid_change_eqe(struct mlx4_dev *dev, int slave, u8 port);
int mlx4_gen_slaves_port_mgt_ev(struct mlx4_dev *dev, u8 port, int attr);
int mlx4_gen_port_state_change_eqe(struct mlx4_dev *dev, int slave, u8 port, u8 port_subtype_change);
enum slave_port_state mlx4_get_slave_port_state(struct mlx4_dev *dev, int slave, u8 port);
int set_and_calc_slave_port_state(struct mlx4_dev *dev, int slave, u8 port, int event, enum slave_port_gen_event *gen_event);

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void mlx4_put_slave_node_guid(struct mlx4_dev *dev, int slave, __be64 guid);
__be64 mlx4_get_slave_node_guid(struct mlx4_dev *dev, int slave);
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int mlx4_get_slave_from_roce_gid(struct mlx4_dev *dev, int port, u8 *gid,
				 int *slave_id);
int mlx4_get_roce_gid_from_slave(struct mlx4_dev *dev, int port, int slave_id,
				 u8 *gid);
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int mlx4_FLOW_STEERING_IB_UC_QP_RANGE(struct mlx4_dev *dev, u32 min_range_qpn,
				      u32 max_range_qpn);

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cycle_t mlx4_read_clock(struct mlx4_dev *dev);

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Matan Barak 已提交
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struct mlx4_active_ports {
	DECLARE_BITMAP(ports, MLX4_MAX_PORTS);
};
/* Returns a bitmap of the physical ports which are assigned to slave */
struct mlx4_active_ports mlx4_get_active_ports(struct mlx4_dev *dev, int slave);

/* Returns the physical port that represents the virtual port of the slave, */
/* or a value < 0 in case of an error. If a slave has 2 ports, the identity */
/* mapping is returned.							    */
int mlx4_slave_convert_port(struct mlx4_dev *dev, int slave, int port);

struct mlx4_slaves_pport {
	DECLARE_BITMAP(slaves, MLX4_MFUNC_MAX);
};
/* Returns a bitmap of all slaves that are assigned to port. */
struct mlx4_slaves_pport mlx4_phys_to_slaves_pport(struct mlx4_dev *dev,
						   int port);

/* Returns a bitmap of all slaves that are assigned exactly to all the */
/* the ports that are set in crit_ports.			       */
struct mlx4_slaves_pport mlx4_phys_to_slaves_pport_actv(
		struct mlx4_dev *dev,
		const struct mlx4_active_ports *crit_ports);

/* Returns the slave's virtual port that represents the physical port. */
int mlx4_phys_to_slave_port(struct mlx4_dev *dev, int slave, int port);

M
Matan Barak 已提交
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int mlx4_get_base_gid_ix(struct mlx4_dev *dev, int slave, int port);
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int mlx4_config_vxlan_port(struct mlx4_dev *dev, __be16 udp_port);
1410 1411
int mlx4_disable_rx_port_check(struct mlx4_dev *dev, bool dis);
int mlx4_virt2phy_port_map(struct mlx4_dev *dev, u32 port1, u32 port2);
1412
int mlx4_vf_smi_enabled(struct mlx4_dev *dev, int slave, int port);
1413 1414 1415
int mlx4_vf_get_enable_smi_admin(struct mlx4_dev *dev, int slave, int port);
int mlx4_vf_set_enable_smi_admin(struct mlx4_dev *dev, int slave, int port,
				 int enable);
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int mlx4_mr_hw_get_mpt(struct mlx4_dev *dev, struct mlx4_mr *mmr,
		       struct mlx4_mpt_entry ***mpt_entry);
int mlx4_mr_hw_write_mpt(struct mlx4_dev *dev, struct mlx4_mr *mmr,
			 struct mlx4_mpt_entry **mpt_entry);
int mlx4_mr_hw_change_pd(struct mlx4_dev *dev, struct mlx4_mpt_entry *mpt_entry,
			 u32 pdn);
int mlx4_mr_hw_change_access(struct mlx4_dev *dev,
			     struct mlx4_mpt_entry *mpt_entry,
			     u32 access);
void mlx4_mr_hw_put_mpt(struct mlx4_dev *dev,
			struct mlx4_mpt_entry **mpt_entry);
void mlx4_mr_rereg_mem_cleanup(struct mlx4_dev *dev, struct mlx4_mr *mr);
int mlx4_mr_rereg_mem_write(struct mlx4_dev *dev, struct mlx4_mr *mr,
			    u64 iova, u64 size, int npages,
			    int page_shift, struct mlx4_mpt_entry *mpt_entry);
1431

1432 1433 1434
int mlx4_get_module_info(struct mlx4_dev *dev, u8 port,
			 u16 offset, u16 size, u8 *data);

1435 1436 1437
/* Returns true if running in low memory profile (kdump kernel) */
static inline bool mlx4_low_memory_profile(void)
{
1438
	return is_kdump_kernel();
1439 1440
}

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/* ACCESS REG commands */
enum mlx4_access_reg_method {
	MLX4_ACCESS_REG_QUERY = 0x1,
	MLX4_ACCESS_REG_WRITE = 0x2,
};

/* ACCESS PTYS Reg command */
enum mlx4_ptys_proto {
	MLX4_PTYS_IB = 1<<0,
	MLX4_PTYS_EN = 1<<2,
};

struct mlx4_ptys_reg {
	u8 resrvd1;
	u8 local_port;
	u8 resrvd2;
	u8 proto_mask;
	__be32 resrvd3[2];
	__be32 eth_proto_cap;
	__be16 ib_width_cap;
	__be16 ib_speed_cap;
	__be32 resrvd4;
	__be32 eth_proto_admin;
	__be16 ib_width_admin;
	__be16 ib_speed_admin;
	__be32 resrvd5;
	__be32 eth_proto_oper;
	__be16 ib_width_oper;
	__be16 ib_speed_oper;
	__be32 resrvd6;
	__be32 eth_proto_lp_adv;
} __packed;

int mlx4_ACCESS_PTYS_REG(struct mlx4_dev *dev,
			 enum mlx4_access_reg_method method,
			 struct mlx4_ptys_reg *ptys_reg);

1478
#endif /* MLX4_DEVICE_H */