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Diffstat (limited to 'external_libs/ibverbs/include/infiniband/driver.h')
| -rw-r--r-- | external_libs/ibverbs/include/infiniband/driver.h | 236 |
1 files changed, 236 insertions, 0 deletions
diff --git a/external_libs/ibverbs/include/infiniband/driver.h b/external_libs/ibverbs/include/infiniband/driver.h new file mode 100644 index 00000000..b59bc452 --- /dev/null +++ b/external_libs/ibverbs/include/infiniband/driver.h @@ -0,0 +1,236 @@ +/* + * 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 +}; + +struct verbs_mw { + struct ibv_mw mw; + uint32_t handle; + enum ibv_mw_type type; +}; + +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_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_dereg_mr(struct ibv_mr *mr); +int ibv_cmd_alloc_mw(struct ibv_pd *pd, enum ibv_mw_type type, + struct verbs_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 verbs_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_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_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_exp_flow *ibv_exp_cmd_create_flow(struct ibv_qp *qp, + struct ibv_exp_flow_attr *flow_attr); +int ibv_exp_cmd_destroy_flow(struct ibv_exp_flow *flow_id); +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_dontfork_range(void *base, size_t size); +int ibv_dofork_range(void *base, size_t size); +void ibv_cmd_query_device_assign(struct ibv_device_attr *device_attr, + uint64_t *raw_fw_ver, + struct ibv_query_device_resp *resp); + +/* + * 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; +} + +#endif /* INFINIBAND_DRIVER_H */ |