device.h 29.0 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/atomic.h>
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#include <linux/clocksource.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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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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};

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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,
	MLX4_MAX_NUM_VF		= 64,
	MLX4_MFUNC_MAX		= 80,
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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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};

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 {
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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_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,
	MLX4_DEV_CAP_FLAG2_UPDATE_QP		= 1LL <<  8
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};

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enum {
	MLX4_DEV_CAP_64B_EQE_ENABLED	= 1LL << 0,
	MLX4_DEV_CAP_64B_CQE_ENABLED	= 1LL << 1
};

enum {
	MLX4_USER_DEV_CAP_64B_CQE	= 1L << 0
};

enum {
	MLX4_FUNC_CAP_64B_EQE_CQE	= 1L << 0
};


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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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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_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_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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};

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,
	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,
};

#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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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;
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	u32			*qp0_proxy;
	u32			*qp1_proxy;
	u32			*qp0_tunnel;
	u32			*qp1_tunnel;
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	int			num_srqs;
	int			max_srq_wqes;
	int			max_srq_sge;
	int			reserved_srqs;
	int			num_cqs;
	int			max_cqes;
	int			reserved_cqs;
	int			num_eqs;
	int			reserved_eqs;
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	int			num_comp_vectors;
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	int			comp_pool;
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	int			num_mpts;
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	int			max_fmr_maps;
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	int			num_mtts;
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	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;
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	int			steering_mode;
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	int			fs_log_max_ucast_qp_range_size;
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	int			num_pds;
	int			reserved_pds;
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	int			max_xrcds;
	int			reserved_xrcds;
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	int			mtt_entry_sz;
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	u32			max_msg_sz;
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	u32			page_size_cap;
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	u64			flags;
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	u64			flags2;
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	u32			bmme_flags;
	u32			reserved_lkey;
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	u16			stat_rate_support;
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	u8			port_width_cap[MLX4_MAX_PORTS + 1];
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	int			max_gso_sz;
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	int			max_rss_tbl_sz;
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	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;
	int                     log_num_prios;
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	enum mlx4_port_type	port_type[MLX4_MAX_PORTS + 1];
	u8			supported_type[MLX4_MAX_PORTS + 1];
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	u8                      suggested_type[MLX4_MAX_PORTS + 1];
	u8                      default_sense[MLX4_MAX_PORTS + 1];
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	u32			port_mask[MLX4_MAX_PORTS + 1];
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	enum mlx4_port_type	possible_type[MLX4_MAX_PORTS + 1];
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	u32			max_counters;
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	u8			port_ib_mtu[MLX4_MAX_PORTS + 1];
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	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 */
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	u16			hca_core_clock;
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};

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

struct mlx4_buf {
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	struct mlx4_buf_list	direct;
	struct mlx4_buf_list   *page_list;
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	int			nbufs;
	int			npages;
	int			page_shift;
};

struct mlx4_mtt {
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	u32			offset;
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	int			order;
	int			page_shift;
};

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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;
};

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struct mlx4_mr {
	struct mlx4_mtt		mtt;
	u64			iova;
	u64			size;
	u32			key;
	u32			pd;
	u32			access;
	int			enabled;
};

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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;
};

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struct mlx4_uar {
	unsigned long		pfn;
	int			index;
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	struct list_head	bf_list;
	unsigned		free_bf_bmap;
	void __iomem	       *map;
	void __iomem	       *bf_map;
};

struct mlx4_bf {
	unsigned long		offset;
	int			buf_size;
	struct mlx4_uar	       *uar;
	void __iomem	       *reg;
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};

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

	struct mlx4_uar	       *uar;

	u32			cons_index;

	__be32		       *set_ci_db;
	__be32		       *arm_db;
	int			arm_sn;

	int			cqn;
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	unsigned		vector;
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	atomic_t		refcount;
	struct completion	free;
};

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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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];
	u32		reserved4[2];
	__be16		vlan;
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	u8		mac[ETH_ALEN];
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};

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

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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;
};

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struct mlx4_quotas {
	int qp;
	int cq;
	int srq;
	int mpt;
	int mtt;
	int counter;
	int xrcd;
};

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struct mlx4_dev {
	struct pci_dev	       *pdev;
	unsigned long		flags;
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	unsigned long		num_slaves;
658
	struct mlx4_caps	caps;
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	struct mlx4_phys_caps	phys_caps;
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	struct mlx4_quotas	quotas;
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	struct radix_tree_root	qp_table_tree;
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	u8			rev_id;
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	char			board_id[MLX4_BOARD_ID_LEN];
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	int			num_vfs;
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	int			numa_node;
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	int			oper_log_mgm_entry_size;
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	u64			regid_promisc_array[MLX4_MAX_PORTS + 1];
	u64			regid_allmulti_array[MLX4_MAX_PORTS + 1];
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};

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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;
	}			event;
	u8			slave_id;
	u8			reserved3[2];
	u8			owner;
} __packed;

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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;
};

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

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#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))
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#define MLX4_INVALID_SLAVE_ID	0xFF

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void handle_port_mgmt_change_event(struct work_struct *work);

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static inline int mlx4_master_func_num(struct mlx4_dev *dev)
{
	return dev->caps.function;
}

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static inline int mlx4_is_master(struct mlx4_dev *dev)
{
	return dev->flags & MLX4_FLAG_MASTER;
}

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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);
}

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static inline int mlx4_is_qp_reserved(struct mlx4_dev *dev, u32 qpn)
{
795
	return (qpn < dev->phys_caps.base_sqpn + 8 +
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		16 * MLX4_MFUNC_MAX * !!mlx4_is_master(dev));
}

static inline int mlx4_is_guest_proxy(struct mlx4_dev *dev, int slave, u32 qpn)
{
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	int guest_proxy_base = dev->phys_caps.base_proxy_sqpn + slave * 8;
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803
	if (qpn >= guest_proxy_base && qpn < guest_proxy_base + 8)
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		return 1;

	return 0;
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}
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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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int mlx4_buf_alloc(struct mlx4_dev *dev, int size, int max_direct,
		   struct mlx4_buf *buf);
void mlx4_buf_free(struct mlx4_dev *dev, int size, struct mlx4_buf *buf);
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static inline void *mlx4_buf_offset(struct mlx4_buf *buf, int offset)
{
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	if (BITS_PER_LONG == 64 || buf->nbufs == 1)
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		return buf->direct.buf + offset;
826
	else
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		return buf->page_list[offset >> PAGE_SHIFT].buf +
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			(offset & (PAGE_SIZE - 1));
}
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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);
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int mlx4_uar_alloc(struct mlx4_dev *dev, struct mlx4_uar *uar);
void mlx4_uar_free(struct mlx4_dev *dev, struct mlx4_uar *uar);
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int mlx4_bf_alloc(struct mlx4_dev *dev, struct mlx4_bf *bf);
void mlx4_bf_free(struct mlx4_dev *dev, struct mlx4_bf *bf);
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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);
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int mlx4_mr_free(struct mlx4_dev *dev, struct mlx4_mr *mr);
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int mlx4_mr_enable(struct mlx4_dev *dev, struct mlx4_mr *mr);
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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);
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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,
		       struct mlx4_buf *buf);

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int mlx4_db_alloc(struct mlx4_dev *dev, struct mlx4_db *db, int order);
void mlx4_db_free(struct mlx4_dev *dev, struct mlx4_db *db);

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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);

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int mlx4_cq_alloc(struct mlx4_dev *dev, int nent, struct mlx4_mtt *mtt,
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		  struct mlx4_uar *uar, u64 db_rec, struct mlx4_cq *cq,
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		  unsigned vector, int collapsed, int timestamp_en);
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void mlx4_cq_free(struct mlx4_dev *dev, struct mlx4_cq *cq);

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int mlx4_qp_reserve_range(struct mlx4_dev *dev, int cnt, int align, int *base);
void mlx4_qp_release_range(struct mlx4_dev *dev, int base_qpn, int cnt);

int mlx4_qp_alloc(struct mlx4_dev *dev, int qpn, struct mlx4_qp *qp);
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void mlx4_qp_free(struct mlx4_dev *dev, struct mlx4_qp *qp);

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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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int mlx4_srq_query(struct mlx4_dev *dev, struct mlx4_srq *srq, int *limit_watermark);
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884
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,
	MLX4_NET_TRANS_RULE_NUM, /* should be last */
};

914 915
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;
}

927
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,
933
	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 {
962
	__be32  l3_qpn;
963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994
	__be32	qpn_msk;
	u8	dst_gid[16];
	u8	dst_gid_msk[16];
};

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;
	};
};

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;
};

995
struct mlx4_net_trans_rule_hw_ctrl {
996 997 998
	__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;
1012
	__be32 l3_qpn;
1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032
	__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;
1033 1034
	__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;

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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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);
1088 1089
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);
1090
void mlx4_set_stats_bitmap(struct mlx4_dev *dev, u64 *stats_bitmap);
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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);
1095 1096 1097
int mlx4_SET_PORT_PRIO2TC(struct mlx4_dev *dev, u8 port, u8 *prio2tc);
int mlx4_SET_PORT_SCHEDULER(struct mlx4_dev *dev, u8 port, u8 *tc_tx_bw,
		u8 *pg, u16 *ratelimit);
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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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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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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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void mlx4_sync_pkey_table(struct mlx4_dev *dev, int slave, int port,
			  int i, int val);

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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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cycle_t mlx4_read_clock(struct mlx4_dev *dev);

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#endif /* MLX4_DEVICE_H */