437 lines
12 KiB
C
437 lines
12 KiB
C
/*
|
|
* Copyright (c) 2012-2016 VMware, Inc. All rights reserved.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of EITHER the GNU General Public License
|
|
* version 2 as published by the Free Software Foundation or the BSD
|
|
* 2-Clause License. This program is distributed in the hope that it
|
|
* will be useful, but WITHOUT ANY WARRANTY; WITHOUT EVEN THE IMPLIED
|
|
* WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
|
|
* See the GNU General Public License version 2 for more details at
|
|
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.en.html.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program available in the file COPYING in the main
|
|
* directory of this source tree.
|
|
*
|
|
* The BSD 2-Clause License
|
|
*
|
|
* 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.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
|
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
|
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
|
|
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
|
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
|
|
* OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef __PVRDMA_VERBS_H__
|
|
#define __PVRDMA_VERBS_H__
|
|
|
|
#include <linux/types.h>
|
|
|
|
union pvrdma_gid {
|
|
u8 raw[16];
|
|
struct {
|
|
__be64 subnet_prefix;
|
|
__be64 interface_id;
|
|
} global;
|
|
};
|
|
|
|
enum pvrdma_link_layer {
|
|
PVRDMA_LINK_LAYER_UNSPECIFIED,
|
|
PVRDMA_LINK_LAYER_INFINIBAND,
|
|
PVRDMA_LINK_LAYER_ETHERNET,
|
|
};
|
|
|
|
enum pvrdma_mtu {
|
|
PVRDMA_MTU_256 = 1,
|
|
PVRDMA_MTU_512 = 2,
|
|
PVRDMA_MTU_1024 = 3,
|
|
PVRDMA_MTU_2048 = 4,
|
|
PVRDMA_MTU_4096 = 5,
|
|
};
|
|
|
|
static inline int pvrdma_mtu_enum_to_int(enum pvrdma_mtu mtu)
|
|
{
|
|
switch (mtu) {
|
|
case PVRDMA_MTU_256: return 256;
|
|
case PVRDMA_MTU_512: return 512;
|
|
case PVRDMA_MTU_1024: return 1024;
|
|
case PVRDMA_MTU_2048: return 2048;
|
|
case PVRDMA_MTU_4096: return 4096;
|
|
default: return -1;
|
|
}
|
|
}
|
|
|
|
static inline enum pvrdma_mtu pvrdma_mtu_int_to_enum(int mtu)
|
|
{
|
|
switch (mtu) {
|
|
case 256: return PVRDMA_MTU_256;
|
|
case 512: return PVRDMA_MTU_512;
|
|
case 1024: return PVRDMA_MTU_1024;
|
|
case 2048: return PVRDMA_MTU_2048;
|
|
case 4096:
|
|
default: return PVRDMA_MTU_4096;
|
|
}
|
|
}
|
|
|
|
enum pvrdma_port_state {
|
|
PVRDMA_PORT_NOP = 0,
|
|
PVRDMA_PORT_DOWN = 1,
|
|
PVRDMA_PORT_INIT = 2,
|
|
PVRDMA_PORT_ARMED = 3,
|
|
PVRDMA_PORT_ACTIVE = 4,
|
|
PVRDMA_PORT_ACTIVE_DEFER = 5,
|
|
};
|
|
|
|
enum pvrdma_port_cap_flags {
|
|
PVRDMA_PORT_SM = 1 << 1,
|
|
PVRDMA_PORT_NOTICE_SUP = 1 << 2,
|
|
PVRDMA_PORT_TRAP_SUP = 1 << 3,
|
|
PVRDMA_PORT_OPT_IPD_SUP = 1 << 4,
|
|
PVRDMA_PORT_AUTO_MIGR_SUP = 1 << 5,
|
|
PVRDMA_PORT_SL_MAP_SUP = 1 << 6,
|
|
PVRDMA_PORT_MKEY_NVRAM = 1 << 7,
|
|
PVRDMA_PORT_PKEY_NVRAM = 1 << 8,
|
|
PVRDMA_PORT_LED_INFO_SUP = 1 << 9,
|
|
PVRDMA_PORT_SM_DISABLED = 1 << 10,
|
|
PVRDMA_PORT_SYS_IMAGE_GUID_SUP = 1 << 11,
|
|
PVRDMA_PORT_PKEY_SW_EXT_PORT_TRAP_SUP = 1 << 12,
|
|
PVRDMA_PORT_EXTENDED_SPEEDS_SUP = 1 << 14,
|
|
PVRDMA_PORT_CM_SUP = 1 << 16,
|
|
PVRDMA_PORT_SNMP_TUNNEL_SUP = 1 << 17,
|
|
PVRDMA_PORT_REINIT_SUP = 1 << 18,
|
|
PVRDMA_PORT_DEVICE_MGMT_SUP = 1 << 19,
|
|
PVRDMA_PORT_VENDOR_CLASS_SUP = 1 << 20,
|
|
PVRDMA_PORT_DR_NOTICE_SUP = 1 << 21,
|
|
PVRDMA_PORT_CAP_MASK_NOTICE_SUP = 1 << 22,
|
|
PVRDMA_PORT_BOOT_MGMT_SUP = 1 << 23,
|
|
PVRDMA_PORT_LINK_LATENCY_SUP = 1 << 24,
|
|
PVRDMA_PORT_CLIENT_REG_SUP = 1 << 25,
|
|
PVRDMA_PORT_IP_BASED_GIDS = 1 << 26,
|
|
PVRDMA_PORT_CAP_FLAGS_MAX = PVRDMA_PORT_IP_BASED_GIDS,
|
|
};
|
|
|
|
enum pvrdma_port_width {
|
|
PVRDMA_WIDTH_1X = 1,
|
|
PVRDMA_WIDTH_4X = 2,
|
|
PVRDMA_WIDTH_8X = 4,
|
|
PVRDMA_WIDTH_12X = 8,
|
|
};
|
|
|
|
static inline int pvrdma_width_enum_to_int(enum pvrdma_port_width width)
|
|
{
|
|
switch (width) {
|
|
case PVRDMA_WIDTH_1X: return 1;
|
|
case PVRDMA_WIDTH_4X: return 4;
|
|
case PVRDMA_WIDTH_8X: return 8;
|
|
case PVRDMA_WIDTH_12X: return 12;
|
|
default: return -1;
|
|
}
|
|
}
|
|
|
|
enum pvrdma_port_speed {
|
|
PVRDMA_SPEED_SDR = 1,
|
|
PVRDMA_SPEED_DDR = 2,
|
|
PVRDMA_SPEED_QDR = 4,
|
|
PVRDMA_SPEED_FDR10 = 8,
|
|
PVRDMA_SPEED_FDR = 16,
|
|
PVRDMA_SPEED_EDR = 32,
|
|
};
|
|
|
|
struct pvrdma_port_attr {
|
|
enum pvrdma_port_state state;
|
|
enum pvrdma_mtu max_mtu;
|
|
enum pvrdma_mtu active_mtu;
|
|
u32 gid_tbl_len;
|
|
u32 port_cap_flags;
|
|
u32 max_msg_sz;
|
|
u32 bad_pkey_cntr;
|
|
u32 qkey_viol_cntr;
|
|
u16 pkey_tbl_len;
|
|
u16 lid;
|
|
u16 sm_lid;
|
|
u8 lmc;
|
|
u8 max_vl_num;
|
|
u8 sm_sl;
|
|
u8 subnet_timeout;
|
|
u8 init_type_reply;
|
|
u8 active_width;
|
|
u8 active_speed;
|
|
u8 phys_state;
|
|
u8 reserved[2];
|
|
};
|
|
|
|
struct pvrdma_global_route {
|
|
union pvrdma_gid dgid;
|
|
u32 flow_label;
|
|
u8 sgid_index;
|
|
u8 hop_limit;
|
|
u8 traffic_class;
|
|
u8 reserved;
|
|
};
|
|
|
|
struct pvrdma_grh {
|
|
__be32 version_tclass_flow;
|
|
__be16 paylen;
|
|
u8 next_hdr;
|
|
u8 hop_limit;
|
|
union pvrdma_gid sgid;
|
|
union pvrdma_gid dgid;
|
|
};
|
|
|
|
enum pvrdma_ah_flags {
|
|
PVRDMA_AH_GRH = 1,
|
|
};
|
|
|
|
enum pvrdma_rate {
|
|
PVRDMA_RATE_PORT_CURRENT = 0,
|
|
PVRDMA_RATE_2_5_GBPS = 2,
|
|
PVRDMA_RATE_5_GBPS = 5,
|
|
PVRDMA_RATE_10_GBPS = 3,
|
|
PVRDMA_RATE_20_GBPS = 6,
|
|
PVRDMA_RATE_30_GBPS = 4,
|
|
PVRDMA_RATE_40_GBPS = 7,
|
|
PVRDMA_RATE_60_GBPS = 8,
|
|
PVRDMA_RATE_80_GBPS = 9,
|
|
PVRDMA_RATE_120_GBPS = 10,
|
|
PVRDMA_RATE_14_GBPS = 11,
|
|
PVRDMA_RATE_56_GBPS = 12,
|
|
PVRDMA_RATE_112_GBPS = 13,
|
|
PVRDMA_RATE_168_GBPS = 14,
|
|
PVRDMA_RATE_25_GBPS = 15,
|
|
PVRDMA_RATE_100_GBPS = 16,
|
|
PVRDMA_RATE_200_GBPS = 17,
|
|
PVRDMA_RATE_300_GBPS = 18,
|
|
};
|
|
|
|
struct pvrdma_ah_attr {
|
|
struct pvrdma_global_route grh;
|
|
u16 dlid;
|
|
u16 vlan_id;
|
|
u8 sl;
|
|
u8 src_path_bits;
|
|
u8 static_rate;
|
|
u8 ah_flags;
|
|
u8 port_num;
|
|
u8 dmac[6];
|
|
u8 reserved;
|
|
};
|
|
|
|
enum pvrdma_cq_notify_flags {
|
|
PVRDMA_CQ_SOLICITED = 1 << 0,
|
|
PVRDMA_CQ_NEXT_COMP = 1 << 1,
|
|
PVRDMA_CQ_SOLICITED_MASK = PVRDMA_CQ_SOLICITED |
|
|
PVRDMA_CQ_NEXT_COMP,
|
|
PVRDMA_CQ_REPORT_MISSED_EVENTS = 1 << 2,
|
|
};
|
|
|
|
struct pvrdma_qp_cap {
|
|
u32 max_send_wr;
|
|
u32 max_recv_wr;
|
|
u32 max_send_sge;
|
|
u32 max_recv_sge;
|
|
u32 max_inline_data;
|
|
u32 reserved;
|
|
};
|
|
|
|
enum pvrdma_sig_type {
|
|
PVRDMA_SIGNAL_ALL_WR,
|
|
PVRDMA_SIGNAL_REQ_WR,
|
|
};
|
|
|
|
enum pvrdma_qp_type {
|
|
PVRDMA_QPT_SMI,
|
|
PVRDMA_QPT_GSI,
|
|
PVRDMA_QPT_RC,
|
|
PVRDMA_QPT_UC,
|
|
PVRDMA_QPT_UD,
|
|
PVRDMA_QPT_RAW_IPV6,
|
|
PVRDMA_QPT_RAW_ETHERTYPE,
|
|
PVRDMA_QPT_RAW_PACKET = 8,
|
|
PVRDMA_QPT_XRC_INI = 9,
|
|
PVRDMA_QPT_XRC_TGT,
|
|
PVRDMA_QPT_MAX,
|
|
};
|
|
|
|
enum pvrdma_qp_create_flags {
|
|
PVRDMA_QP_CREATE_IPOPVRDMA_UD_LSO = 1 << 0,
|
|
PVRDMA_QP_CREATE_BLOCK_MULTICAST_LOOPBACK = 1 << 1,
|
|
};
|
|
|
|
enum pvrdma_qp_attr_mask {
|
|
PVRDMA_QP_STATE = 1 << 0,
|
|
PVRDMA_QP_CUR_STATE = 1 << 1,
|
|
PVRDMA_QP_EN_SQD_ASYNC_NOTIFY = 1 << 2,
|
|
PVRDMA_QP_ACCESS_FLAGS = 1 << 3,
|
|
PVRDMA_QP_PKEY_INDEX = 1 << 4,
|
|
PVRDMA_QP_PORT = 1 << 5,
|
|
PVRDMA_QP_QKEY = 1 << 6,
|
|
PVRDMA_QP_AV = 1 << 7,
|
|
PVRDMA_QP_PATH_MTU = 1 << 8,
|
|
PVRDMA_QP_TIMEOUT = 1 << 9,
|
|
PVRDMA_QP_RETRY_CNT = 1 << 10,
|
|
PVRDMA_QP_RNR_RETRY = 1 << 11,
|
|
PVRDMA_QP_RQ_PSN = 1 << 12,
|
|
PVRDMA_QP_MAX_QP_RD_ATOMIC = 1 << 13,
|
|
PVRDMA_QP_ALT_PATH = 1 << 14,
|
|
PVRDMA_QP_MIN_RNR_TIMER = 1 << 15,
|
|
PVRDMA_QP_SQ_PSN = 1 << 16,
|
|
PVRDMA_QP_MAX_DEST_RD_ATOMIC = 1 << 17,
|
|
PVRDMA_QP_PATH_MIG_STATE = 1 << 18,
|
|
PVRDMA_QP_CAP = 1 << 19,
|
|
PVRDMA_QP_DEST_QPN = 1 << 20,
|
|
PVRDMA_QP_ATTR_MASK_MAX = PVRDMA_QP_DEST_QPN,
|
|
};
|
|
|
|
enum pvrdma_qp_state {
|
|
PVRDMA_QPS_RESET,
|
|
PVRDMA_QPS_INIT,
|
|
PVRDMA_QPS_RTR,
|
|
PVRDMA_QPS_RTS,
|
|
PVRDMA_QPS_SQD,
|
|
PVRDMA_QPS_SQE,
|
|
PVRDMA_QPS_ERR,
|
|
};
|
|
|
|
enum pvrdma_mig_state {
|
|
PVRDMA_MIG_MIGRATED,
|
|
PVRDMA_MIG_REARM,
|
|
PVRDMA_MIG_ARMED,
|
|
};
|
|
|
|
enum pvrdma_mw_type {
|
|
PVRDMA_MW_TYPE_1 = 1,
|
|
PVRDMA_MW_TYPE_2 = 2,
|
|
};
|
|
|
|
struct pvrdma_qp_attr {
|
|
enum pvrdma_qp_state qp_state;
|
|
enum pvrdma_qp_state cur_qp_state;
|
|
enum pvrdma_mtu path_mtu;
|
|
enum pvrdma_mig_state path_mig_state;
|
|
u32 qkey;
|
|
u32 rq_psn;
|
|
u32 sq_psn;
|
|
u32 dest_qp_num;
|
|
u32 qp_access_flags;
|
|
u16 pkey_index;
|
|
u16 alt_pkey_index;
|
|
u8 en_sqd_async_notify;
|
|
u8 sq_draining;
|
|
u8 max_rd_atomic;
|
|
u8 max_dest_rd_atomic;
|
|
u8 min_rnr_timer;
|
|
u8 port_num;
|
|
u8 timeout;
|
|
u8 retry_cnt;
|
|
u8 rnr_retry;
|
|
u8 alt_port_num;
|
|
u8 alt_timeout;
|
|
u8 reserved[5];
|
|
struct pvrdma_qp_cap cap;
|
|
struct pvrdma_ah_attr ah_attr;
|
|
struct pvrdma_ah_attr alt_ah_attr;
|
|
};
|
|
|
|
enum pvrdma_send_flags {
|
|
PVRDMA_SEND_FENCE = 1 << 0,
|
|
PVRDMA_SEND_SIGNALED = 1 << 1,
|
|
PVRDMA_SEND_SOLICITED = 1 << 2,
|
|
PVRDMA_SEND_INLINE = 1 << 3,
|
|
PVRDMA_SEND_IP_CSUM = 1 << 4,
|
|
PVRDMA_SEND_FLAGS_MAX = PVRDMA_SEND_IP_CSUM,
|
|
};
|
|
|
|
enum pvrdma_access_flags {
|
|
PVRDMA_ACCESS_LOCAL_WRITE = 1 << 0,
|
|
PVRDMA_ACCESS_REMOTE_WRITE = 1 << 1,
|
|
PVRDMA_ACCESS_REMOTE_READ = 1 << 2,
|
|
PVRDMA_ACCESS_REMOTE_ATOMIC = 1 << 3,
|
|
PVRDMA_ACCESS_MW_BIND = 1 << 4,
|
|
PVRDMA_ZERO_BASED = 1 << 5,
|
|
PVRDMA_ACCESS_ON_DEMAND = 1 << 6,
|
|
PVRDMA_ACCESS_FLAGS_MAX = PVRDMA_ACCESS_ON_DEMAND,
|
|
};
|
|
|
|
int pvrdma_query_device(struct ib_device *ibdev,
|
|
struct ib_device_attr *props,
|
|
struct ib_udata *udata);
|
|
int pvrdma_query_port(struct ib_device *ibdev, u8 port,
|
|
struct ib_port_attr *props);
|
|
int pvrdma_query_gid(struct ib_device *ibdev, u8 port,
|
|
int index, union ib_gid *gid);
|
|
int pvrdma_query_pkey(struct ib_device *ibdev, u8 port,
|
|
u16 index, u16 *pkey);
|
|
enum rdma_link_layer pvrdma_port_link_layer(struct ib_device *ibdev,
|
|
u8 port);
|
|
int pvrdma_modify_device(struct ib_device *ibdev, int mask,
|
|
struct ib_device_modify *props);
|
|
int pvrdma_modify_port(struct ib_device *ibdev, u8 port,
|
|
int mask, struct ib_port_modify *props);
|
|
int pvrdma_mmap(struct ib_ucontext *context, struct vm_area_struct *vma);
|
|
struct ib_ucontext *pvrdma_alloc_ucontext(struct ib_device *ibdev,
|
|
struct ib_udata *udata);
|
|
int pvrdma_dealloc_ucontext(struct ib_ucontext *context);
|
|
struct ib_pd *pvrdma_alloc_pd(struct ib_device *ibdev,
|
|
struct ib_ucontext *context,
|
|
struct ib_udata *udata);
|
|
int pvrdma_dealloc_pd(struct ib_pd *ibpd);
|
|
struct ib_mr *pvrdma_get_dma_mr(struct ib_pd *pd, int acc);
|
|
struct ib_mr *pvrdma_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
|
|
u64 virt_addr, int access_flags,
|
|
struct ib_udata *udata);
|
|
int pvrdma_dereg_mr(struct ib_mr *mr);
|
|
struct ib_mr *pvrdma_alloc_mr(struct ib_pd *pd, enum ib_mr_type mr_type,
|
|
u32 max_num_sg);
|
|
int pvrdma_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg,
|
|
int sg_nents, unsigned int *sg_offset);
|
|
int pvrdma_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period);
|
|
int pvrdma_resize_cq(struct ib_cq *ibcq, int entries,
|
|
struct ib_udata *udata);
|
|
struct ib_cq *pvrdma_create_cq(struct ib_device *ibdev,
|
|
const struct ib_cq_init_attr *attr,
|
|
struct ib_ucontext *context,
|
|
struct ib_udata *udata);
|
|
int pvrdma_resize_cq(struct ib_cq *ibcq, int entries,
|
|
struct ib_udata *udata);
|
|
int pvrdma_destroy_cq(struct ib_cq *cq);
|
|
int pvrdma_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc);
|
|
int pvrdma_req_notify_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags);
|
|
struct ib_ah *pvrdma_create_ah(struct ib_pd *pd, struct rdma_ah_attr *ah_attr,
|
|
struct ib_udata *udata);
|
|
int pvrdma_destroy_ah(struct ib_ah *ah);
|
|
struct ib_qp *pvrdma_create_qp(struct ib_pd *pd,
|
|
struct ib_qp_init_attr *init_attr,
|
|
struct ib_udata *udata);
|
|
int pvrdma_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
|
|
int attr_mask, struct ib_udata *udata);
|
|
int pvrdma_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr,
|
|
int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr);
|
|
int pvrdma_destroy_qp(struct ib_qp *qp);
|
|
int pvrdma_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
|
|
struct ib_send_wr **bad_wr);
|
|
int pvrdma_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr,
|
|
struct ib_recv_wr **bad_wr);
|
|
|
|
#endif /* __PVRDMA_VERBS_H__ */
|