Release 4.11 drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.h
/*
* 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;
}
}
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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;
}
}
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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;
}
}
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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 ib_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__ */
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