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/*
* Copyright (c) 2004, 2005 Topspin Communications. All rights reserved.
* Copyright (c) 2005, 2006 Cisco Systems. 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.
*
* $Id: driver.h 7484 2006-05-24 21:12:21Z roland $
*/
#ifndef INFINIBAND_DRIVER_H
#define INFINIBAND_DRIVER_H
#include <sysfs/libsysfs.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 */
/*
* Device-specific drivers should declare their device init function
* as below (the name must be "openib_driver_init"):
*
* struct ibv_device *openib_driver_init(struct sysfs_class_device *);
*
* libibverbs will call each driver's openib_driver_init() function
* once for each InfiniBand device. If the device is one that the
* driver can support, it should return a struct ibv_device * with the
* ops member filled in. If the driver does not support the device,
* it should return NULL from openib_driver_init().
*/
typedef struct ibv_device *(*ibv_driver_init_func)(struct sysfs_class_device *);
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_reg_mr(struct ibv_pd *pd, void *addr, size_t length,
uint64_t hca_va, enum ibv_access_flags access,
struct ibv_mr *mr, struct ibv_reg_mr *cmd,
size_t cmd_size);
int ibv_cmd_dereg_mr(struct ibv_mr *mr);
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);
int ibv_cmd_resize_cq(struct ibv_cq *cq, int cqe,
struct ibv_resize_cq *cmd, size_t cmd_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_modify_srq(struct ibv_srq *srq,
struct ibv_srq_attr *srq_attr,
enum ibv_srq_attr_mask 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_query_qp(struct ibv_qp *qp, struct ibv_qp_attr *qp_attr,
enum ibv_qp_attr_mask 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,
enum ibv_qp_attr_mask 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, union ibv_gid *gid, uint16_t lid);
int ibv_cmd_detach_mcast(struct ibv_qp *qp, union ibv_gid *gid, uint16_t lid);
/*
* 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);
#endif /* INFINIBAND_DRIVER_H */
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