rdma_rm.h (4824B)
1/* 2 * RDMA device: Definitions of Resource Manager functions 3 * 4 * Copyright (C) 2018 Oracle 5 * Copyright (C) 2018 Red Hat Inc 6 * 7 * Authors: 8 * Yuval Shaia <yuval.shaia@oracle.com> 9 * Marcel Apfelbaum <marcel@redhat.com> 10 * 11 * This work is licensed under the terms of the GNU GPL, version 2 or later. 12 * See the COPYING file in the top-level directory. 13 * 14 */ 15 16#ifndef RDMA_RM_H 17#define RDMA_RM_H 18 19#include "qapi/error.h" 20#include "rdma_backend_defs.h" 21#include "rdma_rm_defs.h" 22 23int rdma_rm_init(RdmaDeviceResources *dev_res, 24 struct ibv_device_attr *dev_attr); 25void rdma_rm_fini(RdmaDeviceResources *dev_res, RdmaBackendDev *backend_dev, 26 const char *ifname); 27 28int rdma_rm_alloc_pd(RdmaDeviceResources *dev_res, RdmaBackendDev *backend_dev, 29 uint32_t *pd_handle, uint32_t ctx_handle); 30RdmaRmPD *rdma_rm_get_pd(RdmaDeviceResources *dev_res, uint32_t pd_handle); 31void rdma_rm_dealloc_pd(RdmaDeviceResources *dev_res, uint32_t pd_handle); 32 33int rdma_rm_alloc_mr(RdmaDeviceResources *dev_res, uint32_t pd_handle, 34 uint64_t guest_start, uint64_t guest_length, 35 void *host_virt, int access_flags, uint32_t *mr_handle, 36 uint32_t *lkey, uint32_t *rkey); 37RdmaRmMR *rdma_rm_get_mr(RdmaDeviceResources *dev_res, uint32_t mr_handle); 38void rdma_rm_dealloc_mr(RdmaDeviceResources *dev_res, uint32_t mr_handle); 39 40int rdma_rm_alloc_uc(RdmaDeviceResources *dev_res, uint32_t pfn, 41 uint32_t *uc_handle); 42RdmaRmUC *rdma_rm_get_uc(RdmaDeviceResources *dev_res, uint32_t uc_handle); 43void rdma_rm_dealloc_uc(RdmaDeviceResources *dev_res, uint32_t uc_handle); 44 45int rdma_rm_alloc_cq(RdmaDeviceResources *dev_res, RdmaBackendDev *backend_dev, 46 uint32_t cqe, uint32_t *cq_handle, void *opaque); 47RdmaRmCQ *rdma_rm_get_cq(RdmaDeviceResources *dev_res, uint32_t cq_handle); 48void rdma_rm_req_notify_cq(RdmaDeviceResources *dev_res, uint32_t cq_handle, 49 bool notify); 50void rdma_rm_dealloc_cq(RdmaDeviceResources *dev_res, uint32_t cq_handle); 51 52int rdma_rm_alloc_qp(RdmaDeviceResources *dev_res, uint32_t pd_handle, 53 uint8_t qp_type, uint32_t max_send_wr, 54 uint32_t max_send_sge, uint32_t send_cq_handle, 55 uint32_t max_recv_wr, uint32_t max_recv_sge, 56 uint32_t recv_cq_handle, void *opaque, uint32_t *qpn, 57 uint8_t is_srq, uint32_t srq_handle); 58RdmaRmQP *rdma_rm_get_qp(RdmaDeviceResources *dev_res, uint32_t qpn); 59int rdma_rm_modify_qp(RdmaDeviceResources *dev_res, RdmaBackendDev *backend_dev, 60 uint32_t qp_handle, uint32_t attr_mask, uint8_t sgid_idx, 61 union ibv_gid *dgid, uint32_t dqpn, 62 enum ibv_qp_state qp_state, uint32_t qkey, 63 uint32_t rq_psn, uint32_t sq_psn); 64int rdma_rm_query_qp(RdmaDeviceResources *dev_res, RdmaBackendDev *backend_dev, 65 uint32_t qp_handle, struct ibv_qp_attr *attr, 66 int attr_mask, struct ibv_qp_init_attr *init_attr); 67void rdma_rm_dealloc_qp(RdmaDeviceResources *dev_res, uint32_t qp_handle); 68 69RdmaRmSRQ *rdma_rm_get_srq(RdmaDeviceResources *dev_res, uint32_t srq_handle); 70int rdma_rm_alloc_srq(RdmaDeviceResources *dev_res, uint32_t pd_handle, 71 uint32_t max_wr, uint32_t max_sge, uint32_t srq_limit, 72 uint32_t *srq_handle, void *opaque); 73int rdma_rm_query_srq(RdmaDeviceResources *dev_res, uint32_t srq_handle, 74 struct ibv_srq_attr *srq_attr); 75int rdma_rm_modify_srq(RdmaDeviceResources *dev_res, uint32_t srq_handle, 76 struct ibv_srq_attr *srq_attr, int srq_attr_mask); 77void rdma_rm_dealloc_srq(RdmaDeviceResources *dev_res, uint32_t srq_handle); 78 79int rdma_rm_alloc_cqe_ctx(RdmaDeviceResources *dev_res, uint32_t *cqe_ctx_id, 80 void *ctx); 81void *rdma_rm_get_cqe_ctx(RdmaDeviceResources *dev_res, uint32_t cqe_ctx_id); 82void rdma_rm_dealloc_cqe_ctx(RdmaDeviceResources *dev_res, uint32_t cqe_ctx_id); 83 84int rdma_rm_add_gid(RdmaDeviceResources *dev_res, RdmaBackendDev *backend_dev, 85 const char *ifname, union ibv_gid *gid, int gid_idx); 86int rdma_rm_del_gid(RdmaDeviceResources *dev_res, RdmaBackendDev *backend_dev, 87 const char *ifname, int gid_idx); 88int rdma_rm_get_backend_gid_index(RdmaDeviceResources *dev_res, 89 RdmaBackendDev *backend_dev, int sgid_idx); 90static inline union ibv_gid *rdma_rm_get_gid(RdmaDeviceResources *dev_res, 91 int sgid_idx) 92{ 93 return &dev_res->port.gid_tbl[sgid_idx].gid; 94} 95void rdma_dump_device_counters(Monitor *mon, RdmaDeviceResources *dev_res); 96 97#endif