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Diffstat (limited to 'drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.h')
-rw-r--r--drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.h436
1 files changed, 436 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.h b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.h
new file mode 100644
index 000000000000..bfbe96b56255
--- /dev/null
+++ b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.h
@@ -0,0 +1,436 @@
+/*
+ * 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 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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