| /* |
| * 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_srq_attr { |
| u32 max_wr; |
| u32 max_sge; |
| u32 srq_limit; |
| u32 reserved; |
| }; |
| |
| 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); |
| int pvrdma_alloc_ucontext(struct ib_ucontext *uctx, struct ib_udata *udata); |
| void pvrdma_dealloc_ucontext(struct ib_ucontext *context); |
| int pvrdma_alloc_pd(struct ib_pd *pd, struct ib_udata *udata); |
| void pvrdma_dealloc_pd(struct ib_pd *ibpd, struct ib_udata *udata); |
| 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_udata *udata); |
| 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_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr, |
| struct ib_udata *udata); |
| void pvrdma_destroy_cq(struct ib_cq *cq, struct ib_udata *udata); |
| 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); |
| int pvrdma_create_ah(struct ib_ah *ah, struct rdma_ah_init_attr *init_attr, |
| struct ib_udata *udata); |
| void pvrdma_destroy_ah(struct ib_ah *ah, u32 flags); |
| |
| int pvrdma_create_srq(struct ib_srq *srq, struct ib_srq_init_attr *init_attr, |
| struct ib_udata *udata); |
| int pvrdma_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr, |
| enum ib_srq_attr_mask attr_mask, struct ib_udata *udata); |
| int pvrdma_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr); |
| void pvrdma_destroy_srq(struct ib_srq *srq, struct ib_udata *udata); |
| |
| 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, struct ib_udata *udata); |
| int pvrdma_post_send(struct ib_qp *ibqp, const struct ib_send_wr *wr, |
| const struct ib_send_wr **bad_wr); |
| int pvrdma_post_recv(struct ib_qp *ibqp, const struct ib_recv_wr *wr, |
| const struct ib_recv_wr **bad_wr); |
| |
| #endif /* __PVRDMA_VERBS_H__ */ |
