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add idl4k kernel firmware version 1.13.0.105

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This commit is contained in:
Jaroslav Kysela
2015-03-26 17:22:37 +01:00
parent 5194d2792e
commit e9070cdc77
31064 changed files with 12769984 additions and 0 deletions
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189
kernel/include/linux/mlx4/cmd.h Normal file
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/*
* Copyright (c) 2006 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_CMD_H
#define MLX4_CMD_H
#include <linux/dma-mapping.h>
enum {
/* initialization and general commands */
MLX4_CMD_SYS_EN = 0x1,
MLX4_CMD_SYS_DIS = 0x2,
MLX4_CMD_MAP_FA = 0xfff,
MLX4_CMD_UNMAP_FA = 0xffe,
MLX4_CMD_RUN_FW = 0xff6,
MLX4_CMD_MOD_STAT_CFG = 0x34,
MLX4_CMD_QUERY_DEV_CAP = 0x3,
MLX4_CMD_QUERY_FW = 0x4,
MLX4_CMD_ENABLE_LAM = 0xff8,
MLX4_CMD_DISABLE_LAM = 0xff7,
MLX4_CMD_QUERY_DDR = 0x5,
MLX4_CMD_QUERY_ADAPTER = 0x6,
MLX4_CMD_INIT_HCA = 0x7,
MLX4_CMD_CLOSE_HCA = 0x8,
MLX4_CMD_INIT_PORT = 0x9,
MLX4_CMD_CLOSE_PORT = 0xa,
MLX4_CMD_QUERY_HCA = 0xb,
MLX4_CMD_QUERY_PORT = 0x43,
MLX4_CMD_SENSE_PORT = 0x4d,
MLX4_CMD_SET_PORT = 0xc,
MLX4_CMD_ACCESS_DDR = 0x2e,
MLX4_CMD_MAP_ICM = 0xffa,
MLX4_CMD_UNMAP_ICM = 0xff9,
MLX4_CMD_MAP_ICM_AUX = 0xffc,
MLX4_CMD_UNMAP_ICM_AUX = 0xffb,
MLX4_CMD_SET_ICM_SIZE = 0xffd,
/* TPT commands */
MLX4_CMD_SW2HW_MPT = 0xd,
MLX4_CMD_QUERY_MPT = 0xe,
MLX4_CMD_HW2SW_MPT = 0xf,
MLX4_CMD_READ_MTT = 0x10,
MLX4_CMD_WRITE_MTT = 0x11,
MLX4_CMD_SYNC_TPT = 0x2f,
/* EQ commands */
MLX4_CMD_MAP_EQ = 0x12,
MLX4_CMD_SW2HW_EQ = 0x13,
MLX4_CMD_HW2SW_EQ = 0x14,
MLX4_CMD_QUERY_EQ = 0x15,
/* CQ commands */
MLX4_CMD_SW2HW_CQ = 0x16,
MLX4_CMD_HW2SW_CQ = 0x17,
MLX4_CMD_QUERY_CQ = 0x18,
MLX4_CMD_MODIFY_CQ = 0x2c,
/* SRQ commands */
MLX4_CMD_SW2HW_SRQ = 0x35,
MLX4_CMD_HW2SW_SRQ = 0x36,
MLX4_CMD_QUERY_SRQ = 0x37,
MLX4_CMD_ARM_SRQ = 0x40,
/* QP/EE commands */
MLX4_CMD_RST2INIT_QP = 0x19,
MLX4_CMD_INIT2RTR_QP = 0x1a,
MLX4_CMD_RTR2RTS_QP = 0x1b,
MLX4_CMD_RTS2RTS_QP = 0x1c,
MLX4_CMD_SQERR2RTS_QP = 0x1d,
MLX4_CMD_2ERR_QP = 0x1e,
MLX4_CMD_RTS2SQD_QP = 0x1f,
MLX4_CMD_SQD2SQD_QP = 0x38,
MLX4_CMD_SQD2RTS_QP = 0x20,
MLX4_CMD_2RST_QP = 0x21,
MLX4_CMD_QUERY_QP = 0x22,
MLX4_CMD_INIT2INIT_QP = 0x2d,
MLX4_CMD_SUSPEND_QP = 0x32,
MLX4_CMD_UNSUSPEND_QP = 0x33,
/* special QP and management commands */
MLX4_CMD_CONF_SPECIAL_QP = 0x23,
MLX4_CMD_MAD_IFC = 0x24,
/* multicast commands */
MLX4_CMD_READ_MCG = 0x25,
MLX4_CMD_WRITE_MCG = 0x26,
MLX4_CMD_MGID_HASH = 0x27,
/* miscellaneous commands */
MLX4_CMD_DIAG_RPRT = 0x30,
MLX4_CMD_NOP = 0x31,
/* debug commands */
MLX4_CMD_QUERY_DEBUG_MSG = 0x2a,
MLX4_CMD_SET_DEBUG_MSG = 0x2b,
};
enum {
MLX4_CMD_TIME_CLASS_A = 10000,
MLX4_CMD_TIME_CLASS_B = 10000,
MLX4_CMD_TIME_CLASS_C = 10000,
};
enum {
MLX4_MAILBOX_SIZE = 4096
};
enum {
/* set port opcode modifiers */
MLX4_SET_PORT_GENERAL = 0x0,
MLX4_SET_PORT_RQP_CALC = 0x1,
MLX4_SET_PORT_MAC_TABLE = 0x2,
MLX4_SET_PORT_VLAN_TABLE = 0x3,
MLX4_SET_PORT_PRIO_MAP = 0x4,
};
struct mlx4_dev;
struct mlx4_cmd_mailbox {
void *buf;
dma_addr_t dma;
};
int __mlx4_cmd(struct mlx4_dev *dev, u64 in_param, u64 *out_param,
int out_is_imm, u32 in_modifier, u8 op_modifier,
u16 op, unsigned long timeout);
/* Invoke a command with no output parameter */
static inline int mlx4_cmd(struct mlx4_dev *dev, u64 in_param, u32 in_modifier,
u8 op_modifier, u16 op, unsigned long timeout)
{
return __mlx4_cmd(dev, in_param, NULL, 0, in_modifier,
op_modifier, op, timeout);
}
/* Invoke a command with an output mailbox */
static inline int mlx4_cmd_box(struct mlx4_dev *dev, u64 in_param, u64 out_param,
u32 in_modifier, u8 op_modifier, u16 op,
unsigned long timeout)
{
return __mlx4_cmd(dev, in_param, &out_param, 0, in_modifier,
op_modifier, op, timeout);
}
/*
* Invoke a command with an immediate output parameter (and copy the
* output into the caller's out_param pointer after the command
* executes).
*/
static inline int mlx4_cmd_imm(struct mlx4_dev *dev, u64 in_param, u64 *out_param,
u32 in_modifier, u8 op_modifier, u16 op,
unsigned long timeout)
{
return __mlx4_cmd(dev, in_param, out_param, 1, in_modifier,
op_modifier, op, timeout);
}
struct mlx4_cmd_mailbox *mlx4_alloc_cmd_mailbox(struct mlx4_dev *dev);
void mlx4_free_cmd_mailbox(struct mlx4_dev *dev, struct mlx4_cmd_mailbox *mailbox);
#endif /* MLX4_CMD_H */

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kernel/include/linux/mlx4/cq.h Normal file
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/*
* Copyright (c) 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_CQ_H
#define MLX4_CQ_H
#include <linux/types.h>
#include <linux/mlx4/device.h>
#include <linux/mlx4/doorbell.h>
struct mlx4_cqe {
__be32 vlan_my_qpn;
__be32 immed_rss_invalid;
__be32 g_mlpath_rqpn;
__be16 sl_vid;
__be16 rlid;
__be16 status;
u8 ipv6_ext_mask;
u8 badfcs_enc;
__be32 byte_cnt;
__be16 wqe_index;
__be16 checksum;
u8 reserved[3];
u8 owner_sr_opcode;
};
struct mlx4_err_cqe {
__be32 my_qpn;
u32 reserved1[5];
__be16 wqe_index;
u8 vendor_err_syndrome;
u8 syndrome;
u8 reserved2[3];
u8 owner_sr_opcode;
};
enum {
MLX4_CQE_VLAN_PRESENT_MASK = 1 << 29,
MLX4_CQE_QPN_MASK = 0xffffff,
};
enum {
MLX4_CQE_OWNER_MASK = 0x80,
MLX4_CQE_IS_SEND_MASK = 0x40,
MLX4_CQE_OPCODE_MASK = 0x1f
};
enum {
MLX4_CQE_SYNDROME_LOCAL_LENGTH_ERR = 0x01,
MLX4_CQE_SYNDROME_LOCAL_QP_OP_ERR = 0x02,
MLX4_CQE_SYNDROME_LOCAL_PROT_ERR = 0x04,
MLX4_CQE_SYNDROME_WR_FLUSH_ERR = 0x05,
MLX4_CQE_SYNDROME_MW_BIND_ERR = 0x06,
MLX4_CQE_SYNDROME_BAD_RESP_ERR = 0x10,
MLX4_CQE_SYNDROME_LOCAL_ACCESS_ERR = 0x11,
MLX4_CQE_SYNDROME_REMOTE_INVAL_REQ_ERR = 0x12,
MLX4_CQE_SYNDROME_REMOTE_ACCESS_ERR = 0x13,
MLX4_CQE_SYNDROME_REMOTE_OP_ERR = 0x14,
MLX4_CQE_SYNDROME_TRANSPORT_RETRY_EXC_ERR = 0x15,
MLX4_CQE_SYNDROME_RNR_RETRY_EXC_ERR = 0x16,
MLX4_CQE_SYNDROME_REMOTE_ABORTED_ERR = 0x22,
};
enum {
MLX4_CQE_STATUS_IPV4 = 1 << 6,
MLX4_CQE_STATUS_IPV4F = 1 << 7,
MLX4_CQE_STATUS_IPV6 = 1 << 8,
MLX4_CQE_STATUS_IPV4OPT = 1 << 9,
MLX4_CQE_STATUS_TCP = 1 << 10,
MLX4_CQE_STATUS_UDP = 1 << 11,
MLX4_CQE_STATUS_IPOK = 1 << 12,
};
enum {
MLX4_CQE_LLC = 1,
MLX4_CQE_SNAP = 1 << 1,
MLX4_CQE_BAD_FCS = 1 << 4,
};
static inline void mlx4_cq_arm(struct mlx4_cq *cq, u32 cmd,
void __iomem *uar_page,
spinlock_t *doorbell_lock)
{
__be32 doorbell[2];
u32 sn;
u32 ci;
sn = cq->arm_sn & 3;
ci = cq->cons_index & 0xffffff;
*cq->arm_db = cpu_to_be32(sn << 28 | cmd | ci);
/*
* Make sure that the doorbell record in host memory is
* written before ringing the doorbell via PCI MMIO.
*/
wmb();
doorbell[0] = cpu_to_be32(sn << 28 | cmd | cq->cqn);
doorbell[1] = cpu_to_be32(ci);
mlx4_write64(doorbell, uar_page + MLX4_CQ_DOORBELL, doorbell_lock);
}
static inline void mlx4_cq_set_ci(struct mlx4_cq *cq)
{
*cq->set_ci_db = cpu_to_be32(cq->cons_index & 0xffffff);
}
enum {
MLX4_CQ_DB_REQ_NOT_SOL = 1 << 24,
MLX4_CQ_DB_REQ_NOT = 2 << 24
};
int mlx4_cq_modify(struct mlx4_dev *dev, struct mlx4_cq *cq,
u16 count, u16 period);
int mlx4_cq_resize(struct mlx4_dev *dev, struct mlx4_cq *cq,
int entries, struct mlx4_mtt *mtt);
#endif /* MLX4_CQ_H */

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kernel/include/linux/mlx4/device.h Normal file
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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
#include <linux/pci.h>
#include <linux/completion.h>
#include <linux/radix-tree.h>
#include <asm/atomic.h>
enum {
MLX4_FLAG_MSI_X = 1 << 0,
MLX4_FLAG_OLD_PORT_CMDS = 1 << 1,
};
enum {
MLX4_MAX_PORTS = 2
};
enum {
MLX4_BOARD_ID_LEN = 64
};
enum {
MLX4_DEV_CAP_FLAG_RC = 1 << 0,
MLX4_DEV_CAP_FLAG_UC = 1 << 1,
MLX4_DEV_CAP_FLAG_UD = 1 << 2,
MLX4_DEV_CAP_FLAG_SRQ = 1 << 6,
MLX4_DEV_CAP_FLAG_IPOIB_CSUM = 1 << 7,
MLX4_DEV_CAP_FLAG_BAD_PKEY_CNTR = 1 << 8,
MLX4_DEV_CAP_FLAG_BAD_QKEY_CNTR = 1 << 9,
MLX4_DEV_CAP_FLAG_DPDP = 1 << 12,
MLX4_DEV_CAP_FLAG_MEM_WINDOW = 1 << 16,
MLX4_DEV_CAP_FLAG_APM = 1 << 17,
MLX4_DEV_CAP_FLAG_ATOMIC = 1 << 18,
MLX4_DEV_CAP_FLAG_RAW_MCAST = 1 << 19,
MLX4_DEV_CAP_FLAG_UD_AV_PORT = 1 << 20,
MLX4_DEV_CAP_FLAG_UD_MCAST = 1 << 21
};
enum {
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,
};
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,
MLX4_EVENT_TYPE_CMD = 0x0a
};
enum {
MLX4_PORT_CHANGE_SUBTYPE_DOWN = 1,
MLX4_PORT_CHANGE_SUBTYPE_ACTIVE = 4
};
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,
MLX4_PERM_ATOMIC = 1 << 14
};
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,
MLX4_OPCODE_ATOMIC_MASK_CS = 0x14,
MLX4_OPCODE_ATOMIC_MASK_FA = 0x15,
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
};
enum {
MLX4_MTT_FLAG_PRESENT = 1
};
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
};
enum mlx4_port_type {
MLX4_PORT_TYPE_IB = 1,
MLX4_PORT_TYPE_ETH = 2,
MLX4_PORT_TYPE_AUTO = 3
};
enum mlx4_special_vlan_idx {
MLX4_NO_VLAN_IDX = 0,
MLX4_VLAN_MISS_IDX,
MLX4_VLAN_REGULAR
};
enum {
MLX4_NUM_FEXCH = 64 * 1024,
};
static inline u64 mlx4_fw_ver(u64 major, u64 minor, u64 subminor)
{
return (major << 32) | (minor << 16) | subminor;
}
struct mlx4_caps {
u64 fw_ver;
int num_ports;
int vl_cap[MLX4_MAX_PORTS + 1];
int ib_mtu_cap[MLX4_MAX_PORTS + 1];
__be32 ib_port_def_cap[MLX4_MAX_PORTS + 1];
u64 def_mac[MLX4_MAX_PORTS + 1];
int eth_mtu_cap[MLX4_MAX_PORTS + 1];
int gid_table_len[MLX4_MAX_PORTS + 1];
int pkey_table_len[MLX4_MAX_PORTS + 1];
int local_ca_ack_delay;
int num_uars;
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;
int sqp_start;
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;
int num_comp_vectors;
int num_mpts;
int num_mtt_segs;
int mtts_per_seg;
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;
int num_pds;
int reserved_pds;
int mtt_entry_sz;
u32 max_msg_sz;
u32 page_size_cap;
u32 flags;
u32 bmme_flags;
u32 reserved_lkey;
u16 stat_rate_support;
u8 port_width_cap[MLX4_MAX_PORTS + 1];
int max_gso_sz;
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;
enum mlx4_port_type port_type[MLX4_MAX_PORTS + 1];
u8 supported_type[MLX4_MAX_PORTS + 1];
u32 port_mask;
enum mlx4_port_type possible_type[MLX4_MAX_PORTS + 1];
};
struct mlx4_buf_list {
void *buf;
dma_addr_t map;
};
struct mlx4_buf {
struct mlx4_buf_list direct;
struct mlx4_buf_list *page_list;
int nbufs;
int npages;
int page_shift;
};
struct mlx4_mtt {
u32 first_seg;
int order;
int page_shift;
};
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;
};
struct mlx4_hwq_resources {
struct mlx4_db db;
struct mlx4_mtt mtt;
struct mlx4_buf buf;
};
struct mlx4_mr {
struct mlx4_mtt mtt;
u64 iova;
u64 size;
u32 key;
u32 pd;
u32 access;
int enabled;
};
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;
};
struct mlx4_uar {
unsigned long pfn;
int index;
};
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;
unsigned vector;
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];
};
struct mlx4_dev {
struct pci_dev *pdev;
unsigned long flags;
struct mlx4_caps caps;
struct radix_tree_root qp_table_tree;
u32 rev_id;
char board_id[MLX4_BOARD_ID_LEN];
};
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;
};
#define mlx4_foreach_port(port, dev, type) \
for ((port) = 1; (port) <= (dev)->caps.num_ports; (port)++) \
if (((type) == MLX4_PORT_TYPE_IB ? (dev)->caps.port_mask : \
~(dev)->caps.port_mask) & 1 << ((port) - 1))
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);
static inline void *mlx4_buf_offset(struct mlx4_buf *buf, int offset)
{
if (BITS_PER_LONG == 64 || buf->nbufs == 1)
return buf->direct.buf + offset;
else
return buf->page_list[offset >> PAGE_SHIFT].buf +
(offset & (PAGE_SIZE - 1));
}
int mlx4_pd_alloc(struct mlx4_dev *dev, u32 *pdn);
void mlx4_pd_free(struct mlx4_dev *dev, u32 pdn);
int mlx4_uar_alloc(struct mlx4_dev *dev, struct mlx4_uar *uar);
void mlx4_uar_free(struct mlx4_dev *dev, struct mlx4_uar *uar);
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);
void mlx4_mr_free(struct mlx4_dev *dev, struct mlx4_mr *mr);
int mlx4_mr_enable(struct mlx4_dev *dev, struct mlx4_mr *mr);
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);
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);
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);
int mlx4_cq_alloc(struct mlx4_dev *dev, int nent, struct mlx4_mtt *mtt,
struct mlx4_uar *uar, u64 db_rec, struct mlx4_cq *cq,
unsigned vector, int collapsed);
void mlx4_cq_free(struct mlx4_dev *dev, struct mlx4_cq *cq);
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);
void mlx4_qp_free(struct mlx4_dev *dev, struct mlx4_qp *qp);
int mlx4_srq_alloc(struct mlx4_dev *dev, u32 pdn, struct mlx4_mtt *mtt,
u64 db_rec, struct mlx4_srq *srq);
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);
int mlx4_srq_query(struct mlx4_dev *dev, struct mlx4_srq *srq, int *limit_watermark);
int mlx4_INIT_PORT(struct mlx4_dev *dev, int port);
int mlx4_CLOSE_PORT(struct mlx4_dev *dev, int port);
int mlx4_multicast_attach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
int block_mcast_loopback);
int mlx4_multicast_detach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16]);
int mlx4_register_mac(struct mlx4_dev *dev, u8 port, u64 mac, int *index);
void mlx4_unregister_mac(struct mlx4_dev *dev, u8 port, int index);
int mlx4_register_vlan(struct mlx4_dev *dev, u8 port, u16 vlan, int *index);
void mlx4_unregister_vlan(struct mlx4_dev *dev, u8 port, int index);
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);
#endif /* MLX4_DEVICE_H */

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/*
* Copyright (c) 2004 Topspin Communications. All rights reserved.
* Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
* Copyright (c) 2005 Mellanox Technologies. 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_DOORBELL_H
#define MLX4_DOORBELL_H
#include <linux/types.h>
#include <linux/io.h>
#define MLX4_SEND_DOORBELL 0x14
#define MLX4_CQ_DOORBELL 0x20
#if BITS_PER_LONG == 64
/*
* Assume that we can just write a 64-bit doorbell atomically. s390
* actually doesn't have writeq() but S/390 systems don't even have
* PCI so we won't worry about it.
*/
#define MLX4_DECLARE_DOORBELL_LOCK(name)
#define MLX4_INIT_DOORBELL_LOCK(ptr) do { } while (0)
#define MLX4_GET_DOORBELL_LOCK(ptr) (NULL)
static inline void mlx4_write64(__be32 val[2], void __iomem *dest,
spinlock_t *doorbell_lock)
{
__raw_writeq(*(u64 *) val, dest);
}
#else
/*
* Just fall back to a spinlock to protect the doorbell if
* BITS_PER_LONG is 32 -- there's no portable way to do atomic 64-bit
* MMIO writes.
*/
#define MLX4_DECLARE_DOORBELL_LOCK(name) spinlock_t name;
#define MLX4_INIT_DOORBELL_LOCK(ptr) spin_lock_init(ptr)
#define MLX4_GET_DOORBELL_LOCK(ptr) (ptr)
static inline void mlx4_write64(__be32 val[2], void __iomem *dest,
spinlock_t *doorbell_lock)
{
unsigned long flags;
spin_lock_irqsave(doorbell_lock, flags);
__raw_writel((__force u32) val[0], dest);
__raw_writel((__force u32) val[1], dest + 4);
spin_unlock_irqrestore(doorbell_lock, flags);
}
#endif
#endif /* MLX4_DOORBELL_H */

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/*
* Copyright (c) 2006 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_DRIVER_H
#define MLX4_DRIVER_H
#include <linux/device.h>
struct mlx4_dev;
enum mlx4_dev_event {
MLX4_DEV_EVENT_CATASTROPHIC_ERROR,
MLX4_DEV_EVENT_PORT_UP,
MLX4_DEV_EVENT_PORT_DOWN,
MLX4_DEV_EVENT_PORT_REINIT,
};
struct mlx4_interface {
void * (*add) (struct mlx4_dev *dev);
void (*remove)(struct mlx4_dev *dev, void *context);
void (*event) (struct mlx4_dev *dev, void *context,
enum mlx4_dev_event event, int port);
struct list_head list;
};
int mlx4_register_interface(struct mlx4_interface *intf);
void mlx4_unregister_interface(struct mlx4_interface *intf);
#endif /* MLX4_DRIVER_H */

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/*
* Copyright (c) 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_QP_H
#define MLX4_QP_H
#include <linux/types.h>
#include <linux/mlx4/device.h>
#define MLX4_INVALID_LKEY 0x100
enum mlx4_qp_optpar {
MLX4_QP_OPTPAR_ALT_ADDR_PATH = 1 << 0,
MLX4_QP_OPTPAR_RRE = 1 << 1,
MLX4_QP_OPTPAR_RAE = 1 << 2,
MLX4_QP_OPTPAR_RWE = 1 << 3,
MLX4_QP_OPTPAR_PKEY_INDEX = 1 << 4,
MLX4_QP_OPTPAR_Q_KEY = 1 << 5,
MLX4_QP_OPTPAR_RNR_TIMEOUT = 1 << 6,
MLX4_QP_OPTPAR_PRIMARY_ADDR_PATH = 1 << 7,
MLX4_QP_OPTPAR_SRA_MAX = 1 << 8,
MLX4_QP_OPTPAR_RRA_MAX = 1 << 9,
MLX4_QP_OPTPAR_PM_STATE = 1 << 10,
MLX4_QP_OPTPAR_RETRY_COUNT = 1 << 12,
MLX4_QP_OPTPAR_RNR_RETRY = 1 << 13,
MLX4_QP_OPTPAR_ACK_TIMEOUT = 1 << 14,
MLX4_QP_OPTPAR_SCHED_QUEUE = 1 << 16
};
enum mlx4_qp_state {
MLX4_QP_STATE_RST = 0,
MLX4_QP_STATE_INIT = 1,
MLX4_QP_STATE_RTR = 2,
MLX4_QP_STATE_RTS = 3,
MLX4_QP_STATE_SQER = 4,
MLX4_QP_STATE_SQD = 5,
MLX4_QP_STATE_ERR = 6,
MLX4_QP_STATE_SQ_DRAINING = 7,
MLX4_QP_NUM_STATE
};
enum {
MLX4_QP_ST_RC = 0x0,
MLX4_QP_ST_UC = 0x1,
MLX4_QP_ST_RD = 0x2,
MLX4_QP_ST_UD = 0x3,
MLX4_QP_ST_MLX = 0x7
};
enum {
MLX4_QP_PM_MIGRATED = 0x3,
MLX4_QP_PM_ARMED = 0x0,
MLX4_QP_PM_REARM = 0x1
};
enum {
/* params1 */
MLX4_QP_BIT_SRE = 1 << 15,
MLX4_QP_BIT_SWE = 1 << 14,
MLX4_QP_BIT_SAE = 1 << 13,
/* params2 */
MLX4_QP_BIT_RRE = 1 << 15,
MLX4_QP_BIT_RWE = 1 << 14,
MLX4_QP_BIT_RAE = 1 << 13,
MLX4_QP_BIT_RIC = 1 << 4,
};
struct mlx4_qp_path {
u8 fl;
u8 reserved1[2];
u8 pkey_index;
u8 reserved2;
u8 grh_mylmc;
__be16 rlid;
u8 ackto;
u8 mgid_index;
u8 static_rate;
u8 hop_limit;
__be32 tclass_flowlabel;
u8 rgid[16];
u8 sched_queue;
u8 snooper_flags;
u8 reserved3[2];
u8 counter_index;
u8 reserved4[7];
};
struct mlx4_qp_context {
__be32 flags;
__be32 pd;
u8 mtu_msgmax;
u8 rq_size_stride;
u8 sq_size_stride;
u8 rlkey;
__be32 usr_page;
__be32 local_qpn;
__be32 remote_qpn;
struct mlx4_qp_path pri_path;
struct mlx4_qp_path alt_path;
__be32 params1;
u32 reserved1;
__be32 next_send_psn;
__be32 cqn_send;
u32 reserved2[2];
__be32 last_acked_psn;
__be32 ssn;
__be32 params2;
__be32 rnr_nextrecvpsn;
__be32 srcd;
__be32 cqn_recv;
__be64 db_rec_addr;
__be32 qkey;
__be32 srqn;
__be32 msn;
__be16 rq_wqe_counter;
__be16 sq_wqe_counter;
u32 reserved3[2];
__be32 param3;
__be32 nummmcpeers_basemkey;
u8 log_page_size;
u8 reserved4[2];
u8 mtt_base_addr_h;
__be32 mtt_base_addr_l;
u32 reserved5[10];
};
/* Which firmware version adds support for NEC (NoErrorCompletion) bit */
#define MLX4_FW_VER_WQE_CTRL_NEC mlx4_fw_ver(2, 2, 232)
enum {
MLX4_WQE_CTRL_NEC = 1 << 29,
MLX4_WQE_CTRL_FENCE = 1 << 6,
MLX4_WQE_CTRL_CQ_UPDATE = 3 << 2,
MLX4_WQE_CTRL_SOLICITED = 1 << 1,
MLX4_WQE_CTRL_IP_CSUM = 1 << 4,
MLX4_WQE_CTRL_TCP_UDP_CSUM = 1 << 5,
MLX4_WQE_CTRL_INS_VLAN = 1 << 6,
MLX4_WQE_CTRL_STRONG_ORDER = 1 << 7,
};
struct mlx4_wqe_ctrl_seg {
__be32 owner_opcode;
__be16 vlan_tag;
u8 ins_vlan;
u8 fence_size;
/*
* High 24 bits are SRC remote buffer; low 8 bits are flags:
* [7] SO (strong ordering)
* [5] TCP/UDP checksum
* [4] IP checksum
* [3:2] C (generate completion queue entry)
* [1] SE (solicited event)
*/
__be32 srcrb_flags;
/*
* imm is immediate data for send/RDMA write w/ immediate;
* also invalidation key for send with invalidate; input
* modifier for WQEs on CCQs.
*/
__be32 imm;
};
enum {
MLX4_WQE_MLX_VL15 = 1 << 17,
MLX4_WQE_MLX_SLR = 1 << 16
};
struct mlx4_wqe_mlx_seg {
u8 owner;
u8 reserved1[2];
u8 opcode;
u8 reserved2[3];
u8 size;
/*
* [17] VL15
* [16] SLR
* [15:12] static rate
* [11:8] SL
* [4] ICRC
* [3:2] C
* [0] FL (force loopback)
*/
__be32 flags;
__be16 rlid;
u16 reserved3;
};
struct mlx4_wqe_datagram_seg {
__be32 av[8];
__be32 dqpn;
__be32 qkey;
__be32 reservd[2];
};
struct mlx4_wqe_lso_seg {
__be32 mss_hdr_size;
__be32 header[0];
};
struct mlx4_wqe_bind_seg {
__be32 flags1;
__be32 flags2;
__be32 new_rkey;
__be32 lkey;
__be64 addr;
__be64 length;
};
enum {
MLX4_WQE_FMR_PERM_LOCAL_READ = 1 << 27,
MLX4_WQE_FMR_PERM_LOCAL_WRITE = 1 << 28,
MLX4_WQE_FMR_PERM_REMOTE_READ = 1 << 29,
MLX4_WQE_FMR_PERM_REMOTE_WRITE = 1 << 30,
MLX4_WQE_FMR_PERM_ATOMIC = 1 << 31
};
struct mlx4_wqe_fmr_seg {
__be32 flags;
__be32 mem_key;
__be64 buf_list;
__be64 start_addr;
__be64 reg_len;
__be32 offset;
__be32 page_size;
u32 reserved[2];
};
struct mlx4_wqe_fmr_ext_seg {
u8 flags;
u8 reserved;
__be16 app_mask;
__be16 wire_app_tag;
__be16 mem_app_tag;
__be32 wire_ref_tag_base;
__be32 mem_ref_tag_base;
};
struct mlx4_wqe_local_inval_seg {
__be32 flags;
u32 reserved1;
__be32 mem_key;
u32 reserved2[2];
__be32 guest_id;
__be64 pa;
};
struct mlx4_wqe_raddr_seg {
__be64 raddr;
__be32 rkey;
u32 reserved;
};
struct mlx4_wqe_atomic_seg {
__be64 swap_add;
__be64 compare;
};
struct mlx4_wqe_data_seg {
__be32 byte_count;
__be32 lkey;
__be64 addr;
};
enum {
MLX4_INLINE_ALIGN = 64,
};
struct mlx4_wqe_inline_seg {
__be32 byte_count;
};
int mlx4_qp_modify(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
enum mlx4_qp_state cur_state, enum mlx4_qp_state new_state,
struct mlx4_qp_context *context, enum mlx4_qp_optpar optpar,
int sqd_event, struct mlx4_qp *qp);
int mlx4_qp_query(struct mlx4_dev *dev, struct mlx4_qp *qp,
struct mlx4_qp_context *context);
int mlx4_qp_to_ready(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
struct mlx4_qp_context *context,
struct mlx4_qp *qp, enum mlx4_qp_state *qp_state);
static inline struct mlx4_qp *__mlx4_qp_lookup(struct mlx4_dev *dev, u32 qpn)
{
return radix_tree_lookup(&dev->qp_table_tree, qpn & (dev->caps.num_qps - 1));
}
void mlx4_qp_remove(struct mlx4_dev *dev, struct mlx4_qp *qp);
#endif /* MLX4_QP_H */

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/*
* Copyright (c) 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_SRQ_H
#define MLX4_SRQ_H
struct mlx4_wqe_srq_next_seg {
u16 reserved1;
__be16 next_wqe_index;
u32 reserved2[3];
};
#endif /* MLX4_SRQ_H */