Add all the structures and types to interact with kernel driver. Signed-off-by: Adit Ranadive <aditr@xxxxxxxxxx> --- providers/pvrdma/pvrdma-abi.h | 297 ++++++++++++++++++++++++++++++++++++ providers/pvrdma/pvrdma.h | 347 ++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 644 insertions(+) create mode 100644 providers/pvrdma/pvrdma-abi.h create mode 100644 providers/pvrdma/pvrdma.h diff --git a/providers/pvrdma/pvrdma-abi.h b/providers/pvrdma/pvrdma-abi.h new file mode 100644 index 0000000..c7a38c5 --- /dev/null +++ b/providers/pvrdma/pvrdma-abi.h @@ -0,0 +1,297 @@ +/* + * 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_ABI_H__ +#define __PVRDMA_ABI_H__ + +#include <infiniband/kern-abi.h> + +#define PVRDMA_UVERBS_ABI_VERSION 3 +#define PVRDMA_UAR_HANDLE_MASK 0x00FFFFFF /* Bottom 24 bits. */ +#define PVRDMA_UAR_QP_OFFSET 0 /* QP doorbell offset. */ +#define PVRDMA_UAR_QP_SEND BIT(30) /* Send bit. */ +#define PVRDMA_UAR_QP_RECV BIT(31) /* Recv bit. */ +#define PVRDMA_UAR_CQ_OFFSET 4 /* CQ doorbell offset. */ +#define PVRDMA_UAR_CQ_ARM_SOL BIT(29) /* Arm solicited bit. */ +#define PVRDMA_UAR_CQ_ARM BIT(30) /* Arm bit. */ +#define PVRDMA_UAR_CQ_POLL BIT(31) /* Poll bit. */ + +enum pvrdma_wr_opcode { + PVRDMA_WR_RDMA_WRITE, + PVRDMA_WR_RDMA_WRITE_WITH_IMM, + PVRDMA_WR_SEND, + PVRDMA_WR_SEND_WITH_IMM, + PVRDMA_WR_RDMA_READ, + PVRDMA_WR_ATOMIC_CMP_AND_SWP, + PVRDMA_WR_ATOMIC_FETCH_AND_ADD, + PVRDMA_WR_LSO, + PVRDMA_WR_SEND_WITH_INV, + PVRDMA_WR_RDMA_READ_WITH_INV, + PVRDMA_WR_LOCAL_INV, + PVRDMA_WR_FAST_REG_MR, + PVRDMA_WR_MASKED_ATOMIC_CMP_AND_SWP, + PVRDMA_WR_MASKED_ATOMIC_FETCH_AND_ADD, + PVRDMA_WR_BIND_MW, + PVRDMA_WR_REG_SIG_MR, +}; + +enum pvrdma_wc_status { + PVRDMA_WC_SUCCESS, + PVRDMA_WC_LOC_LEN_ERR, + PVRDMA_WC_LOC_QP_OP_ERR, + PVRDMA_WC_LOC_EEC_OP_ERR, + PVRDMA_WC_LOC_PROT_ERR, + PVRDMA_WC_WR_FLUSH_ERR, + PVRDMA_WC_MW_BIND_ERR, + PVRDMA_WC_BAD_RESP_ERR, + PVRDMA_WC_LOC_ACCESS_ERR, + PVRDMA_WC_REM_INV_REQ_ERR, + PVRDMA_WC_REM_ACCESS_ERR, + PVRDMA_WC_REM_OP_ERR, + PVRDMA_WC_RETRY_EXC_ERR, + PVRDMA_WC_RNR_RETRY_EXC_ERR, + PVRDMA_WC_LOC_RDD_VIOL_ERR, + PVRDMA_WC_REM_INV_RD_REQ_ERR, + PVRDMA_WC_REM_ABORT_ERR, + PVRDMA_WC_INV_EECN_ERR, + PVRDMA_WC_INV_EEC_STATE_ERR, + PVRDMA_WC_FATAL_ERR, + PVRDMA_WC_RESP_TIMEOUT_ERR, + PVRDMA_WC_GENERAL_ERR, +}; + +enum pvrdma_wc_opcode { + PVRDMA_WC_SEND, + PVRDMA_WC_RDMA_WRITE, + PVRDMA_WC_RDMA_READ, + PVRDMA_WC_COMP_SWAP, + PVRDMA_WC_FETCH_ADD, + PVRDMA_WC_BIND_MW, + PVRDMA_WC_LSO, + PVRDMA_WC_LOCAL_INV, + PVRDMA_WC_FAST_REG_MR, + PVRDMA_WC_MASKED_COMP_SWAP, + PVRDMA_WC_MASKED_FETCH_ADD, + PVRDMA_WC_RECV = 1 << 7, + PVRDMA_WC_RECV_RDMA_WITH_IMM, +}; + +enum pvrdma_wc_flags { + PVRDMA_WC_GRH = 1 << 0, + PVRDMA_WC_WITH_IMM = 1 << 1, + PVRDMA_WC_WITH_INVALIDATE = 1 << 2, + PVRDMA_WC_IP_CSUM_OK = 1 << 3, + PVRDMA_WC_WITH_SMAC = 1 << 4, + PVRDMA_WC_WITH_VLAN = 1 << 5, + PVRDMA_WC_FLAGS_MAX = PVRDMA_WC_WITH_VLAN, +}; + +struct pvrdma_alloc_ucontext_resp { + struct ibv_get_context_resp ibv_resp; + __u32 qp_tab_size; + __u32 reserved; +}; + +struct pvrdma_alloc_pd_resp { + struct ibv_alloc_pd_resp ibv_resp; + __u32 pdn; + __u32 reserved; +}; + +struct pvrdma_create_cq { + struct ibv_create_cq ibv_cmd; + __u64 buf_addr; + __u32 buf_size; + __u32 reserved; +}; + +struct pvrdma_create_cq_resp { + struct ibv_create_cq_resp ibv_resp; + __u32 cqn; + __u32 reserved; +}; + +struct pvrdma_resize_cq { + struct ibv_resize_cq ibv_cmd; + __u64 buf_addr; + __u32 buf_size; + __u32 reserved; +}; + +struct pvrdma_create_srq { + struct ibv_create_srq ibv_cmd; + __u64 buf_addr; +}; + +struct pvrdma_create_srq_resp { + struct ibv_create_srq_resp ibv_resp; + __u32 srqn; + __u32 reserved; +}; + +struct pvrdma_create_qp { + struct ibv_create_qp ibv_cmd; + __u64 rbuf_addr; + __u64 sbuf_addr; + __u32 rbuf_size; + __u32 sbuf_size; + __u64 qp_addr; +}; + +/* PVRDMA masked atomic compare and swap */ +struct pvrdma_ex_cmp_swap { + __u64 swap_val; + __u64 compare_val; + __u64 swap_mask; + __u64 compare_mask; +}; + +/* PVRDMA masked atomic fetch and add */ +struct pvrdma_ex_fetch_add { + __u64 add_val; + __u64 field_boundary; +}; + +/* PVRDMA address vector. */ +struct pvrdma_av { + __u32 port_pd; + __u32 sl_tclass_flowlabel; + __u8 dgid[16]; + __u8 src_path_bits; + __u8 gid_index; + __u8 stat_rate; + __u8 hop_limit; + __u8 dmac[6]; + __u8 reserved[6]; +}; + +/* PVRDMA scatter/gather entry */ +struct pvrdma_sge { + __u64 addr; + __u32 length; + __u32 lkey; +}; + +/* PVRDMA receive queue work request */ +struct pvrdma_rq_wqe_hdr { + __u64 wr_id; /* wr id */ + __u32 num_sge; /* size of s/g array */ + __u32 total_len; /* reserved */ +}; +/* Use pvrdma_sge (ib_sge) for receive queue s/g array elements. */ + +/* PVRDMA send queue work request */ +struct pvrdma_sq_wqe_hdr { + __u64 wr_id; /* wr id */ + __u32 num_sge; /* size of s/g array */ + __u32 total_len; /* reserved */ + __u32 opcode; /* operation type */ + __u32 send_flags; /* wr flags */ + union { + __u32 imm_data; + __u32 invalidate_rkey; + } ex; + __u32 reserved; + union { + struct { + __u64 remote_addr; + __u32 rkey; + __u8 reserved[4]; + } rdma; + struct { + __u64 remote_addr; + __u64 compare_add; + __u64 swap; + __u32 rkey; + __u32 reserved; + } atomic; + struct { + __u64 remote_addr; + __u32 log_arg_sz; + __u32 rkey; + union { + struct pvrdma_ex_cmp_swap cmp_swap; + struct pvrdma_ex_fetch_add fetch_add; + } wr_data; + } masked_atomics; + struct { + __u64 iova_start; + __u64 pl_pdir_dma; + __u32 page_shift; + __u32 page_list_len; + __u32 length; + __u32 access_flags; + __u32 rkey; + } fast_reg; + struct { + __u32 remote_qpn; + __u32 remote_qkey; + struct pvrdma_av av; + } ud; + } wr; +}; +/* Use pvrdma_sge (ib_sge) for send queue s/g array elements. */ + +/* Completion queue element. */ +struct pvrdma_cqe { + __u64 wr_id; + __u64 qp; + __u32 opcode; + __u32 status; + __u32 byte_len; + __u32 imm_data; + __u32 src_qp; + __u32 wc_flags; + __u32 vendor_err; + __u16 pkey_index; + __u16 slid; + __u8 sl; + __u8 dlid_path_bits; + __u8 port_num; + __u8 smac[6]; + __u8 reserved2[7]; /* Pad to next power of 2 (64). */ +}; + +#endif /* __PVRDMA_ABI_H__ */ diff --git a/providers/pvrdma/pvrdma.h b/providers/pvrdma/pvrdma.h new file mode 100644 index 0000000..d3df07d --- /dev/null +++ b/providers/pvrdma/pvrdma.h @@ -0,0 +1,347 @@ +/* + * 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_H__ +#define __PVRDMA_H__ + +#include <config.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <pthread.h> +#include <unistd.h> +#include <netinet/in.h> +#include <sys/mman.h> +#include <infiniband/driver.h> + +#define BIT(nr) (1UL << (nr)) + +#include "pvrdma-abi.h" +#include "pvrdma_ring.h" + +#ifndef rmb +# define rmb() mb() +#endif + +#ifndef wmb +# define wmb() mb() +#endif + +#ifndef likely +#define likely(x) __builtin_expect(!!(x), 1) +#else +#define likely(x) (x) +#endif + +#ifndef unlikely +#define unlikely(x) __builtin_expect(!!(x), 0) +#else +#define unlikely(x) (x) +#endif + +#ifndef max +#define max(a, b) \ + ({ typeof (a) _a = (a); \ + typeof (b) _b = (b); \ + _a > _b ? _a : _b; }) +#endif + +#ifndef min +#define min(a,b) \ + ({ typeof (a) _a = (a); \ + typeof (b) _b = (b); \ + _a < _b ? _a : _b; }) +#endif + +#define PFX "pvrdma: " + +enum { + PVRDMA_OPCODE_NOP = 0x00, + PVRDMA_OPCODE_SEND_INVAL = 0x01, + PVRDMA_OPCODE_RDMA_WRITE = 0x08, + PVRDMA_OPCODE_RDMA_WRITE_IMM = 0x09, + PVRDMA_OPCODE_SEND = 0x0a, + PVRDMA_OPCODE_SEND_IMM = 0x0b, + PVRDMA_OPCODE_LSO = 0x0e, + PVRDMA_OPCODE_RDMA_READ = 0x10, + PVRDMA_OPCODE_ATOMIC_CS = 0x11, + PVRDMA_OPCODE_ATOMIC_FA = 0x12, + PVRDMA_OPCODE_ATOMIC_MASK_CS = 0x14, + PVRDMA_OPCODE_ATOMIC_MASK_FA = 0x15, + PVRDMA_OPCODE_BIND_MW = 0x18, + PVRDMA_OPCODE_FMR = 0x19, + PVRDMA_OPCODE_LOCAL_INVAL = 0x1b, + PVRDMA_OPCODE_CONFIG_CMD = 0x1f, + + PVRDMA_RECV_OPCODE_RDMA_WRITE_IMM = 0x00, + PVRDMA_RECV_OPCODE_SEND = 0x01, + PVRDMA_RECV_OPCODE_SEND_IMM = 0x02, + PVRDMA_RECV_OPCODE_SEND_INVAL = 0x03, + + PVRDMA_CQE_OPCODE_ERROR = 0x1e, + PVRDMA_CQE_OPCODE_RESIZE = 0x16, +}; + +enum { + PVRDMA_WQE_CTRL_FENCE = 1 << 6, + PVRDMA_WQE_CTRL_CQ_UPDATE = 3 << 2, + PVRDMA_WQE_CTRL_SOLICIT = 1 << 1, +}; + +struct pvrdma_device { + struct ibv_device ibv_dev; + int page_size; + int abi_version; +}; + +struct pvrdma_context { + struct ibv_context ibv_ctx; + void *uar; + pthread_spinlock_t uar_lock; + int max_qp_wr; + int max_sge; + int max_cqe; + struct pvrdma_qp **qp_tbl; +}; + +struct pvrdma_buf { + void *buf; + size_t length; +}; + +struct pvrdma_pd { + struct ibv_pd ibv_pd; + uint32_t pdn; +}; + +struct pvrdma_cq { + struct ibv_cq ibv_cq; + struct pvrdma_buf buf; + struct pvrdma_buf resize_buf; + pthread_spinlock_t lock; + struct pvrdma_ring_state *ring_state; + uint32_t cqe_cnt; + uint32_t offset; + uint32_t cqn; +}; + +struct pvrdma_wq { + uint64_t *wrid; + pthread_spinlock_t lock; + int wqe_cnt; + int wqe_size; + struct pvrdma_ring *ring_state; + int max_gs; + int wqe_shift; + int offset; +}; + +struct pvrdma_qp { + struct ibv_qp ibv_qp; + struct pvrdma_buf rbuf; + struct pvrdma_buf sbuf; + int max_inline_data; + int buf_size; + uint32_t sq_signal_bits; + int sq_spare_wqes; + struct pvrdma_wq sq; + struct pvrdma_wq rq; +}; + +struct pvrdma_ah { + struct ibv_ah ibv_ah; + struct pvrdma_av av; +}; + +static inline unsigned long align(unsigned long val, unsigned long align) +{ + return (val + align - 1) & ~(align - 1); +} + +static inline int align_next_power2(int size) +{ + int val = 1; + + while (val < size) + val <<= 1; + + return val; +} + +#define to_vxxx(xxx, type) \ + ((struct pvrdma_##type *) \ + ((void *) ib##xxx - offsetof(struct pvrdma_##type, ibv_##xxx))) + +static inline struct pvrdma_device *to_vdev(struct ibv_device *ibdev) +{ + return to_vxxx(dev, device); +} + +static inline struct pvrdma_context *to_vctx(struct ibv_context *ibctx) +{ + return to_vxxx(ctx, context); +} + +static inline struct pvrdma_pd *to_vpd(struct ibv_pd *ibpd) +{ + return to_vxxx(pd, pd); +} + +static inline struct pvrdma_cq *to_vcq(struct ibv_cq *ibcq) +{ + return to_vxxx(cq, cq); +} + +static inline struct pvrdma_qp *to_vqp(struct ibv_qp *ibqp) +{ + return to_vxxx(qp, qp); +} + +static inline struct pvrdma_ah *to_vah(struct ibv_ah *ibah) +{ + return to_vxxx(ah, ah); +} + +static inline void pvrdma_write_uar_qp(void *uar, unsigned value) +{ + *(uint32_t *)(uar + PVRDMA_UAR_QP_OFFSET) = htole32(value); +} + +static inline void pvrdma_write_uar_cq(void *uar, unsigned value) +{ + *(uint32_t *)(uar + PVRDMA_UAR_CQ_OFFSET) = htole32(value); +} + +static inline int ibv_send_flags_to_pvrdma(int flags) +{ + return flags; +} + +static inline enum pvrdma_wr_opcode ibv_wr_opcode_to_pvrdma( + enum ibv_wr_opcode op) +{ + return (enum pvrdma_wr_opcode)op; +} + +static inline enum ibv_wc_status pvrdma_wc_status_to_ibv( + enum pvrdma_wc_status status) +{ + return (enum ibv_wc_status)status; +} + +static inline enum ibv_wc_opcode pvrdma_wc_opcode_to_ibv( + enum pvrdma_wc_opcode op) +{ + return (enum ibv_wc_opcode)op; +} + +static inline int pvrdma_wc_flags_to_ibv(int flags) +{ + return flags; +} + +int pvrdma_alloc_buf(struct pvrdma_buf *buf, size_t size, int page_size); +void pvrdma_free_buf(struct pvrdma_buf *buf); + +int pvrdma_query_device(struct ibv_context *context, + struct ibv_device_attr *attr); +int pvrdma_query_port(struct ibv_context *context, uint8_t port, + struct ibv_port_attr *attr); + +struct ibv_pd *pvrdma_alloc_pd(struct ibv_context *context); +int pvrdma_free_pd(struct ibv_pd *pd); + +struct ibv_mr *pvrdma_reg_mr(struct ibv_pd *pd, void *addr, + size_t length, int access); +int pvrdma_dereg_mr(struct ibv_mr *mr); + +struct ibv_cq *pvrdma_create_cq(struct ibv_context *context, int cqe, + struct ibv_comp_channel *channel, + int comp_vector); +int pvrdma_alloc_cq_buf(struct pvrdma_device *dev, struct pvrdma_cq *cq, + struct pvrdma_buf *buf, int nent); +int pvrdma_destroy_cq(struct ibv_cq *cq); +int pvrdma_req_notify_cq(struct ibv_cq *cq, int solicited); +int pvrdma_poll_cq(struct ibv_cq *cq, int ne, struct ibv_wc *wc); +void pvrdma_cq_event(struct ibv_cq *cq); +void __pvrdma_cq_clean(struct pvrdma_cq *cq, uint32_t qpn); +void pvrdma_cq_clean(struct pvrdma_cq *cq, uint32_t qpn); +int pvrdma_get_outstanding_cqes(struct pvrdma_cq *cq); +void pvrdma_cq_resize_copy_cqes(struct pvrdma_cq *cq, void *buf, + int new_cqe); + +struct ibv_qp *pvrdma_create_qp(struct ibv_pd *pd, + struct ibv_qp_init_attr *attr); +int pvrdma_query_qp(struct ibv_qp *qp, struct ibv_qp_attr *attr, + int attr_mask, struct ibv_qp_init_attr *init_attr); +int pvrdma_modify_qp(struct ibv_qp *qp, struct ibv_qp_attr *attr, + int attr_mask); +int pvrdma_destroy_qp(struct ibv_qp *qp); +void pvrdma_init_qp_indices(struct pvrdma_qp *qp); +void pvrdma_qp_init_sq_ownership(struct pvrdma_qp *qp); +int pvrdma_post_send(struct ibv_qp *ibqp, struct ibv_send_wr *wr, + struct ibv_send_wr **bad_wr); +int pvrdma_post_recv(struct ibv_qp *ibqp, struct ibv_recv_wr *wr, + struct ibv_recv_wr **bad_wr); +void pvrdma_calc_sq_wqe_size(struct ibv_qp_cap *cap, enum ibv_qp_type type, + struct pvrdma_qp *qp); +int pvrdma_alloc_qp_buf(struct pvrdma_device *dev, struct ibv_qp_cap *cap, + enum ibv_qp_type type, struct pvrdma_qp *qp); +void pvrdma_set_sq_sizes(struct pvrdma_qp *qp, struct ibv_qp_cap *cap, + enum ibv_qp_type type); +struct pvrdma_qp *pvrdma_find_qp(struct pvrdma_context *ctx, + uint32_t qpn); +int pvrdma_store_qp(struct pvrdma_context *ctx, uint32_t qpn, + struct pvrdma_qp *qp); +void pvrdma_clear_qp(struct pvrdma_context *ctx, uint32_t qpn); + +struct ibv_ah *pvrdma_create_ah(struct ibv_pd *pd, struct ibv_ah_attr *attr); +int pvrdma_destroy_ah(struct ibv_ah *ah); + +int pvrdma_alloc_av(struct pvrdma_pd *pd, struct ibv_ah_attr *attr, + struct pvrdma_ah *ah); +void pvrdma_free_av(struct pvrdma_ah *ah); + +#endif /* __PVRDMA_H__ */ -- 2.7.4 -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
