diff options
Diffstat (limited to 'hw/rdma/rdma_rm.h')
| -rw-r--r-- | hw/rdma/rdma_rm.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/hw/rdma/rdma_rm.h b/hw/rdma/rdma_rm.h new file mode 100644 index 0000000000..be95c1b0f4 --- /dev/null +++ b/hw/rdma/rdma_rm.h @@ -0,0 +1,69 @@ +/* + * RDMA device: Definitions of Resource Manager functions + * + * Copyright (C) 2018 Oracle + * Copyright (C) 2018 Red Hat Inc + * + * Authors: + * Yuval Shaia <yuval.shaia@oracle.com> + * Marcel Apfelbaum <marcel@redhat.com> + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + * + */ + +#ifndef RDMA_RM_H +#define RDMA_RM_H + +#include <qapi/error.h> +#include "rdma_backend_defs.h" +#include "rdma_rm_defs.h" + +int rdma_rm_init(RdmaDeviceResources *dev_res, struct ibv_device_attr *dev_attr, + Error **errp); +void rdma_rm_fini(RdmaDeviceResources *dev_res); + +int rdma_rm_alloc_pd(RdmaDeviceResources *dev_res, RdmaBackendDev *backend_dev, + uint32_t *pd_handle, uint32_t ctx_handle); +RdmaRmPD *rdma_rm_get_pd(RdmaDeviceResources *dev_res, uint32_t pd_handle); +void rdma_rm_dealloc_pd(RdmaDeviceResources *dev_res, uint32_t pd_handle); + +int rdma_rm_alloc_mr(RdmaDeviceResources *dev_res, uint32_t pd_handle, + uint64_t guest_start, size_t guest_length, void *host_virt, + int access_flags, uint32_t *mr_handle, uint32_t *lkey, + uint32_t *rkey); +RdmaRmMR *rdma_rm_get_mr(RdmaDeviceResources *dev_res, uint32_t mr_handle); +void rdma_rm_dealloc_mr(RdmaDeviceResources *dev_res, uint32_t mr_handle); + +int rdma_rm_alloc_uc(RdmaDeviceResources *dev_res, uint32_t pfn, + uint32_t *uc_handle); +RdmaRmUC *rdma_rm_get_uc(RdmaDeviceResources *dev_res, uint32_t uc_handle); +void rdma_rm_dealloc_uc(RdmaDeviceResources *dev_res, uint32_t uc_handle); + +int rdma_rm_alloc_cq(RdmaDeviceResources *dev_res, RdmaBackendDev *backend_dev, + uint32_t cqe, uint32_t *cq_handle, void *opaque); +RdmaRmCQ *rdma_rm_get_cq(RdmaDeviceResources *dev_res, uint32_t cq_handle); +void rdma_rm_req_notify_cq(RdmaDeviceResources *dev_res, uint32_t cq_handle, + bool notify); +void rdma_rm_dealloc_cq(RdmaDeviceResources *dev_res, uint32_t cq_handle); + +int rdma_rm_alloc_qp(RdmaDeviceResources *dev_res, uint32_t pd_handle, + uint8_t qp_type, uint32_t max_send_wr, + uint32_t max_send_sge, uint32_t send_cq_handle, + uint32_t max_recv_wr, uint32_t max_recv_sge, + uint32_t recv_cq_handle, void *opaque, uint32_t *qpn); +RdmaRmQP *rdma_rm_get_qp(RdmaDeviceResources *dev_res, uint32_t qpn); +int rdma_rm_modify_qp(RdmaDeviceResources *dev_res, RdmaBackendDev *backend_dev, + uint32_t qp_handle, uint32_t attr_mask, + union ibv_gid *dgid, uint32_t dqpn, + enum ibv_qp_state qp_state, uint32_t qkey, + uint32_t rq_psn, uint32_t sq_psn); +void rdma_rm_dealloc_qp(RdmaDeviceResources *dev_res, uint32_t qp_handle); + +int rdma_rm_alloc_cqe_ctx(RdmaDeviceResources *dev_res, uint32_t *cqe_ctx_id, + void *ctx); +void *rdma_rm_get_cqe_ctx(RdmaDeviceResources *dev_res, uint32_t cqe_ctx_id); +void rdma_rm_dealloc_cqe_ctx(RdmaDeviceResources *dev_res, uint32_t cqe_ctx_id); + +#endif |