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-rw-r--r--include/infiniband/driver.h291
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diff --git a/include/infiniband/driver.h b/include/infiniband/driver.h
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-/*
- * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved.
- * Copyright (c) 2005, 2006 Cisco Systems, Inc. All rights reserved.
- * Copyright (c) 2005 PathScale, 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 INFINIBAND_DRIVER_H
-#define INFINIBAND_DRIVER_H
-
-#include <infiniband/verbs.h>
-#include <infiniband/kern-abi.h>
-
-#ifdef __cplusplus
-# define BEGIN_C_DECLS extern "C" {
-# define END_C_DECLS }
-#else /* !__cplusplus */
-# define BEGIN_C_DECLS
-# define END_C_DECLS
-#endif /* __cplusplus */
-
-/*
- * Extension that low-level drivers should add to their .so filename
- * (probably via libtool "-release" option). For example a low-level
- * driver named "libfoo" should build a plug-in named "libfoo-rdmav2.so".
- */
-#define IBV_DEVICE_LIBRARY_EXTENSION rdmav2
-
-enum verbs_xrcd_mask {
- VERBS_XRCD_HANDLE = 1 << 0,
- VERBS_XRCD_RESERVED = 1 << 1
-};
-
-struct verbs_xrcd {
- struct ibv_xrcd xrcd;
- uint32_t comp_mask;
- uint32_t handle;
-};
-
-enum verbs_srq_mask {
- VERBS_SRQ_TYPE = 1 << 0,
- VERBS_SRQ_XRCD = 1 << 1,
- VERBS_SRQ_CQ = 1 << 2,
- VERBS_SRQ_NUM = 1 << 3,
- VERBS_SRQ_RESERVED = 1 << 4
-};
-
-struct verbs_srq {
- struct ibv_srq srq;
- uint32_t comp_mask;
- enum ibv_srq_type srq_type;
- struct verbs_xrcd *xrcd;
- struct ibv_cq *cq;
- uint32_t srq_num;
-};
-
-enum verbs_qp_mask {
- VERBS_QP_XRCD = 1 << 0,
- VERBS_QP_RESERVED = 1 << 1
-};
-
-enum ibv_gid_type {
- IBV_GID_TYPE_IB_ROCE_V1,
- IBV_GID_TYPE_ROCE_V2,
-};
-
-struct verbs_qp {
- struct ibv_qp qp;
- uint32_t comp_mask;
- struct verbs_xrcd *xrcd;
-};
-typedef struct ibv_device *(*ibv_driver_init_func)(const char *uverbs_sys_path,
- int abi_version);
-typedef struct verbs_device *(*verbs_driver_init_func)(const char *uverbs_sys_path,
- int abi_version);
-
-void ibv_register_driver(const char *name, ibv_driver_init_func init_func);
-void verbs_register_driver(const char *name, verbs_driver_init_func init_func);
-int ibv_cmd_get_context(struct ibv_context *context, struct ibv_get_context *cmd,
- size_t cmd_size, struct ibv_get_context_resp *resp,
- size_t resp_size);
-int ibv_cmd_query_device(struct ibv_context *context,
- struct ibv_device_attr *device_attr,
- uint64_t *raw_fw_ver,
- struct ibv_query_device *cmd, size_t cmd_size);
-int ibv_cmd_query_device_ex(struct ibv_context *context,
- const struct ibv_query_device_ex_input *input,
- struct ibv_device_attr_ex *attr, size_t attr_size,
- uint64_t *raw_fw_ver,
- struct ibv_query_device_ex *cmd,
- size_t cmd_core_size,
- size_t cmd_size,
- struct ibv_query_device_resp_ex *resp,
- size_t resp_core_size,
- size_t resp_size);
-int ibv_cmd_query_port(struct ibv_context *context, uint8_t port_num,
- struct ibv_port_attr *port_attr,
- struct ibv_query_port *cmd, size_t cmd_size);
-int ibv_cmd_query_gid(struct ibv_context *context, uint8_t port_num,
- int index, union ibv_gid *gid);
-int ibv_cmd_query_pkey(struct ibv_context *context, uint8_t port_num,
- int index, uint16_t *pkey);
-int ibv_cmd_alloc_pd(struct ibv_context *context, struct ibv_pd *pd,
- struct ibv_alloc_pd *cmd, size_t cmd_size,
- struct ibv_alloc_pd_resp *resp, size_t resp_size);
-int ibv_cmd_dealloc_pd(struct ibv_pd *pd);
-int ibv_cmd_open_xrcd(struct ibv_context *context, struct verbs_xrcd *xrcd,
- int vxrcd_size,
- struct ibv_xrcd_init_attr *attr,
- struct ibv_open_xrcd *cmd, size_t cmd_size,
- struct ibv_open_xrcd_resp *resp, size_t resp_size);
-int ibv_cmd_close_xrcd(struct verbs_xrcd *xrcd);
-#define IBV_CMD_REG_MR_HAS_RESP_PARAMS
-int ibv_cmd_reg_mr(struct ibv_pd *pd, void *addr, size_t length,
- uint64_t hca_va, int access,
- struct ibv_mr *mr, struct ibv_reg_mr *cmd,
- size_t cmd_size,
- struct ibv_reg_mr_resp *resp, size_t resp_size);
-int ibv_cmd_rereg_mr(struct ibv_mr *mr, uint32_t flags, void *addr,
- size_t length, uint64_t hca_va, int access,
- struct ibv_pd *pd, struct ibv_rereg_mr *cmd,
- size_t cmd_sz, struct ibv_rereg_mr_resp *resp,
- size_t resp_sz);
-int ibv_cmd_dereg_mr(struct ibv_mr *mr);
-int ibv_cmd_alloc_mw(struct ibv_pd *pd, enum ibv_mw_type type,
- struct ibv_mw *mw, struct ibv_alloc_mw *cmd,
- size_t cmd_size,
- struct ibv_alloc_mw_resp *resp, size_t resp_size);
-int ibv_cmd_dealloc_mw(struct ibv_mw *mw,
- struct ibv_dealloc_mw *cmd, size_t cmd_size);
-int ibv_cmd_create_cq(struct ibv_context *context, int cqe,
- struct ibv_comp_channel *channel,
- int comp_vector, struct ibv_cq *cq,
- struct ibv_create_cq *cmd, size_t cmd_size,
- struct ibv_create_cq_resp *resp, size_t resp_size);
-int ibv_cmd_create_cq_ex(struct ibv_context *context,
- struct ibv_cq_init_attr_ex *cq_attr,
- struct ibv_cq_ex *cq,
- struct ibv_create_cq_ex *cmd,
- size_t cmd_core_size,
- size_t cmd_size,
- struct ibv_create_cq_resp_ex *resp,
- size_t resp_core_size,
- size_t resp_size);
-int ibv_cmd_poll_cq(struct ibv_cq *cq, int ne, struct ibv_wc *wc);
-int ibv_cmd_req_notify_cq(struct ibv_cq *cq, int solicited_only);
-#define IBV_CMD_RESIZE_CQ_HAS_RESP_PARAMS
-int ibv_cmd_resize_cq(struct ibv_cq *cq, int cqe,
- struct ibv_resize_cq *cmd, size_t cmd_size,
- struct ibv_resize_cq_resp *resp, size_t resp_size);
-int ibv_cmd_destroy_cq(struct ibv_cq *cq);
-
-int ibv_cmd_create_srq(struct ibv_pd *pd,
- struct ibv_srq *srq, struct ibv_srq_init_attr *attr,
- struct ibv_create_srq *cmd, size_t cmd_size,
- struct ibv_create_srq_resp *resp, size_t resp_size);
-int ibv_cmd_create_srq_ex(struct ibv_context *context,
- struct verbs_srq *srq, int vsrq_sz,
- struct ibv_srq_init_attr_ex *attr_ex,
- struct ibv_create_xsrq *cmd, size_t cmd_size,
- struct ibv_create_srq_resp *resp, size_t resp_size);
-int ibv_cmd_modify_srq(struct ibv_srq *srq,
- struct ibv_srq_attr *srq_attr,
- int srq_attr_mask,
- struct ibv_modify_srq *cmd, size_t cmd_size);
-int ibv_cmd_query_srq(struct ibv_srq *srq,
- struct ibv_srq_attr *srq_attr,
- struct ibv_query_srq *cmd, size_t cmd_size);
-int ibv_cmd_destroy_srq(struct ibv_srq *srq);
-
-int ibv_cmd_create_qp(struct ibv_pd *pd,
- struct ibv_qp *qp, struct ibv_qp_init_attr *attr,
- struct ibv_create_qp *cmd, size_t cmd_size,
- struct ibv_create_qp_resp *resp, size_t resp_size);
-int ibv_cmd_create_qp_ex(struct ibv_context *context,
- struct verbs_qp *qp, int vqp_sz,
- struct ibv_qp_init_attr_ex *attr_ex,
- struct ibv_create_qp *cmd, size_t cmd_size,
- struct ibv_create_qp_resp *resp, size_t resp_size);
-int ibv_cmd_create_qp_ex2(struct ibv_context *context,
- struct verbs_qp *qp, int vqp_sz,
- struct ibv_qp_init_attr_ex *qp_attr,
- struct ibv_create_qp_ex *cmd,
- size_t cmd_core_size,
- size_t cmd_size,
- struct ibv_create_qp_resp_ex *resp,
- size_t resp_core_size,
- size_t resp_size);
-int ibv_cmd_open_qp(struct ibv_context *context,
- struct verbs_qp *qp, int vqp_sz,
- struct ibv_qp_open_attr *attr,
- struct ibv_open_qp *cmd, size_t cmd_size,
- struct ibv_create_qp_resp *resp, size_t resp_size);
-int ibv_cmd_query_qp(struct ibv_qp *qp, struct ibv_qp_attr *qp_attr,
- int attr_mask,
- struct ibv_qp_init_attr *qp_init_attr,
- struct ibv_query_qp *cmd, size_t cmd_size);
-int ibv_cmd_modify_qp(struct ibv_qp *qp, struct ibv_qp_attr *attr,
- int attr_mask,
- struct ibv_modify_qp *cmd, size_t cmd_size);
-int ibv_cmd_destroy_qp(struct ibv_qp *qp);
-int ibv_cmd_post_send(struct ibv_qp *ibqp, struct ibv_send_wr *wr,
- struct ibv_send_wr **bad_wr);
-int ibv_cmd_post_recv(struct ibv_qp *ibqp, struct ibv_recv_wr *wr,
- struct ibv_recv_wr **bad_wr);
-int ibv_cmd_post_srq_recv(struct ibv_srq *srq, struct ibv_recv_wr *wr,
- struct ibv_recv_wr **bad_wr);
-int ibv_cmd_create_ah(struct ibv_pd *pd, struct ibv_ah *ah,
- struct ibv_ah_attr *attr);
-int ibv_cmd_destroy_ah(struct ibv_ah *ah);
-int ibv_cmd_attach_mcast(struct ibv_qp *qp, const union ibv_gid *gid, uint16_t lid);
-int ibv_cmd_detach_mcast(struct ibv_qp *qp, const union ibv_gid *gid, uint16_t lid);
-
-struct ibv_flow *ibv_cmd_create_flow(struct ibv_qp *qp,
- struct ibv_flow_attr *flow_attr);
-int ibv_cmd_destroy_flow(struct ibv_flow *flow_id);
-int ibv_cmd_create_wq(struct ibv_context *context,
- struct ibv_wq_init_attr *wq_init_attr,
- struct ibv_wq *wq,
- struct ibv_create_wq *cmd,
- size_t cmd_core_size,
- size_t cmd_size,
- struct ibv_create_wq_resp *resp,
- size_t resp_core_size,
- size_t resp_size);
-
-int ibv_cmd_modify_wq(struct ibv_wq *wq, struct ibv_wq_attr *attr,
- struct ibv_modify_wq *cmd, size_t cmd_core_size,
- size_t cmd_size);
-int ibv_cmd_destroy_wq(struct ibv_wq *wq);
-int ibv_cmd_create_rwq_ind_table(struct ibv_context *context,
- struct ibv_rwq_ind_table_init_attr *init_attr,
- struct ibv_rwq_ind_table *rwq_ind_table,
- struct ibv_create_rwq_ind_table *cmd,
- size_t cmd_core_size,
- size_t cmd_size,
- struct ibv_create_rwq_ind_table_resp *resp,
- size_t resp_core_size,
- size_t resp_size);
-int ibv_cmd_destroy_rwq_ind_table(struct ibv_rwq_ind_table *rwq_ind_table);
-int ibv_dontfork_range(void *base, size_t size);
-int ibv_dofork_range(void *base, size_t size);
-
-/*
- * sysfs helper functions
- */
-const char *ibv_get_sysfs_path(void);
-
-int ibv_read_sysfs_file(const char *dir, const char *file,
- char *buf, size_t size);
-
-static inline int verbs_get_srq_num(struct ibv_srq *srq, uint32_t *srq_num)
-{
- struct verbs_srq *vsrq = container_of(srq, struct verbs_srq, srq);
- if (vsrq->comp_mask & VERBS_SRQ_NUM) {
- *srq_num = vsrq->srq_num;
- return 0;
- }
- return ENOSYS;
-}
-
-int ibv_query_gid_type(struct ibv_context *context, uint8_t port_num,
- unsigned int index, enum ibv_gid_type *type);
-#endif /* INFINIBAND_DRIVER_H */
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