freebsd-dev/sys/dev/qlnx/qlnxr/qlnxr_verbs.h
David C Somayajulu fa790ea99f Add RDMA (iWARP and RoCEv1) support
David Somayajulu (davidcs): Overall RDMA Driver infrastructure and iWARP
Anand Khoje (akhoje@marvell.com): RoCEv1 verbs implementation

MFC after:5 days
2019-01-31 00:09:38 +00:00

268 lines
7.5 KiB
C

/*
* Copyright (c) 2018-2019 Cavium, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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 OWNER 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.
*
* $FreeBSD$
*/
#ifndef __QLNXR_VERBS_H__
#define __QLNXR_VERBS_H__
extern int qlnxr_iw_query_gid(struct ib_device *,
uint8_t port,
int index,
union ib_gid *gid);
extern int qlnxr_query_gid(struct ib_device *,
u8 port,
int index,
union ib_gid *gid);
extern struct ib_srq *qlnxr_create_srq(struct ib_pd *,
struct ib_srq_init_attr *,
struct ib_udata *);
extern int qlnxr_destroy_srq(struct ib_srq *);
extern int qlnxr_modify_srq(struct ib_srq *,
struct ib_srq_attr *,
enum ib_srq_attr_mask,
struct ib_udata *);
extern int qlnxr_query_srq(struct ib_srq *,
struct ib_srq_attr *);
extern int qlnxr_post_srq_recv(struct ib_srq *,
struct ib_recv_wr *,
struct ib_recv_wr **bad_recv_wr);
#if __FreeBSD_version < 1102000
extern int qlnxr_query_device(struct ib_device *, struct ib_device_attr *);
#else
extern int qlnxr_query_device(struct ib_device *, struct ib_device_attr *,
struct ib_udata *);
extern int qlnxr_get_port_immutable(struct ib_device *ibdev, u8 port_num,
struct ib_port_immutable *immutable);
#endif
extern int qlnxr_query_port(struct ib_device *,
u8 port,
struct ib_port_attr *props);
extern int qlnxr_modify_port(struct ib_device *,
u8 port,
int mask,
struct ib_port_modify *props);
extern enum rdma_link_layer qlnxr_link_layer(struct ib_device *device,
uint8_t port_num);
struct ib_pd *qlnxr_alloc_pd(struct ib_device *,
struct ib_ucontext *,
struct ib_udata *);
extern int qlnxr_dealloc_pd(struct ib_pd *pd);
#if __FreeBSD_version >= 1102000
extern struct ib_cq *qlnxr_create_cq(struct ib_device *ibdev,
const struct ib_cq_init_attr *attr,
struct ib_ucontext *ib_ctx,
struct ib_udata *udata);
#else
#if __FreeBSD_version >= 1100000
extern struct ib_cq *qlnxr_create_cq(struct ib_device *ibdev,
struct ib_cq_init_attr *attr,
struct ib_ucontext *ib_ctx,
struct ib_udata *udata);
#else
extern struct ib_cq *qlnxr_create_cq(struct ib_device *ibdev,
int cqe,
int comp_vector,
struct ib_ucontext *ib_ctx,
struct ib_udata *udata);
#endif
#endif /* #if __FreeBSD_version >= 1102000 */
extern int qlnxr_destroy_cq(struct ib_cq *);
extern int qlnxr_resize_cq(struct ib_cq *,
int cqe,
struct ib_udata *);
extern int qlnxr_poll_cq(struct ib_cq *,
int num_entries,
struct ib_wc *wc);
extern struct ib_qp *qlnxr_create_qp(struct ib_pd *,
struct ib_qp_init_attr *attrs,
struct ib_udata *);
extern int qlnxr_modify_qp(struct ib_qp *,
struct ib_qp_attr *attr,
int attr_mask,
struct ib_udata *udata);
extern int qlnxr_query_qp(struct ib_qp *,
struct ib_qp_attr *qp_attr,
int qp_attr_mask,
struct ib_qp_init_attr *);
extern int qlnxr_destroy_qp(struct ib_qp *);
extern int qlnxr_query_pkey(struct ib_device *,
u8 port,
u16 index,
u16 *pkey);
#if __FreeBSD_version >= 1102000
extern struct ib_ah *qlnxr_create_ah(struct ib_pd *ibpd,
struct ib_ah_attr *attr, struct ib_udata *udata);
#else
extern struct ib_ah *qlnxr_create_ah(struct ib_pd *ibpd,
struct ib_ah_attr *attr);
#endif /* #if __FreeBSD_version >= 1102000 */
extern int qlnxr_destroy_ah(struct ib_ah *ibah);
extern int qlnxr_query_ah(struct ib_ah *ibah,
struct ib_ah_attr *attr);
extern int qlnxr_modify_ah(struct ib_ah *ibah,
struct ib_ah_attr *attr);
#if __FreeBSD_version >= 1102000
extern int qlnxr_process_mad(struct ib_device *ibdev,
int process_mad_flags,
u8 port_num,
const struct ib_wc *in_wc,
const struct ib_grh *in_grh,
const struct ib_mad_hdr *mad_hdr,
size_t in_mad_size,
struct ib_mad_hdr *out_mad,
size_t *out_mad_size,
u16 *out_mad_pkey_index);
#else
extern int qlnxr_process_mad(struct ib_device *ibdev,
int process_mad_flags,
u8 port_num,
struct ib_wc *in_wc,
struct ib_grh *in_grh,
struct ib_mad *in_mad,
struct ib_mad *out_mad);
#endif /* #if __FreeBSD_version >= 1102000 */
extern int qlnxr_post_send(struct ib_qp *,
struct ib_send_wr *,
struct ib_send_wr **bad_wr);
extern int qlnxr_post_recv(struct ib_qp *,
struct ib_recv_wr *,
struct ib_recv_wr **bad_wr);
extern int qlnxr_arm_cq(struct ib_cq *,
enum ib_cq_notify_flags flags);
extern struct ib_mr *qlnxr_get_dma_mr(struct ib_pd *,
int acc);
#if __FreeBSD_version < 1102000
extern struct ib_mr *qlnxr_reg_kernel_mr(struct ib_pd *,
struct ib_phys_buf *buffer_list,
int num_phys_buf,
int acc,
u64 *iova_start);
#endif /* #if __FreeBSD_version < 1102000 */
extern int qlnxr_dereg_mr(struct ib_mr *);
#if __FreeBSD_version >= 1102000
extern struct ib_mr *qlnxr_reg_user_mr(struct ib_pd *,
u64 start,
u64 length,
u64 virt,
int acc,
struct ib_udata *);
#else
extern struct ib_mr *qlnxr_reg_user_mr(struct ib_pd *,
u64 start,
u64 length,
u64 virt,
int acc,
struct ib_udata *,
int mr_id);
#endif /* #if __FreeBSD_version >= 1102000 */
#if __FreeBSD_version >= 1102000
extern struct ib_mr *qlnxr_alloc_mr(struct ib_pd *pd,
enum ib_mr_type mr_type, u32 max_num_sg);
extern int qlnxr_map_mr_sg(struct ib_mr *mr, struct scatterlist *sg,
int sg_nents, unsigned int *sg_offset);
#else
extern struct ib_mr *qlnxr_alloc_frmr(struct ib_pd *pd,
int max_page_list_len);
extern struct ib_fast_reg_page_list *qlnxr_alloc_frmr_page_list(
struct ib_device *ibdev,
int page_list_len);
extern void qlnxr_free_frmr_page_list(struct ib_fast_reg_page_list *page_list);
#endif /* #if __FreeBSD_version >= 1102000 */
extern struct ib_ucontext *qlnxr_alloc_ucontext(struct ib_device *ibdev,
struct ib_udata *udata);
extern int qlnxr_dealloc_ucontext(struct ib_ucontext *ibctx);
extern int qlnxr_mmap(struct ib_ucontext *, struct vm_area_struct *vma);
extern int qlnxr_iw_connect(struct iw_cm_id *cm_id,
struct iw_cm_conn_param *conn_param);
extern int qlnxr_iw_create_listen(struct iw_cm_id *cm_id, int backlog);
void qlnxr_iw_destroy_listen(struct iw_cm_id *cm_id);
extern int qlnxr_iw_accept(struct iw_cm_id *cm_id,
struct iw_cm_conn_param *conn_param);
extern int qlnxr_iw_reject(struct iw_cm_id *cm_id, const void *pdata, u8 pdata_len);
extern void qlnxr_iw_qp_add_ref(struct ib_qp *qp);
extern void qlnxr_iw_qp_rem_ref(struct ib_qp *qp);
extern struct ib_qp *qlnxr_iw_get_qp(struct ib_device *dev, int qpn);
#endif /* #ifndef __QLNXR_VERBS_H__ */