diff options
| -rw-r--r-- | hw/rdma/rdma_backend_defs.h | 62 | ||||
| -rw-r--r-- | hw/rdma/rdma_rm_defs.h | 104 |
2 files changed, 166 insertions, 0 deletions
diff --git a/hw/rdma/rdma_backend_defs.h b/hw/rdma/rdma_backend_defs.h new file mode 100644 index 0000000000..837e32419c --- /dev/null +++ b/hw/rdma/rdma_backend_defs.h @@ -0,0 +1,62 @@ +/* + * RDMA device: Definitions of Backend Device structures + * + * 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_BACKEND_DEFS_H +#define RDMA_BACKEND_DEFS_H + +#include <infiniband/verbs.h> +#include <qemu/thread.h> + +typedef struct RdmaDeviceResources RdmaDeviceResources; + +typedef struct RdmaBackendThread { + QemuThread thread; + QemuMutex mutex; + bool run; +} RdmaBackendThread; + +typedef struct RdmaBackendDev { + struct ibv_device_attr dev_attr; + RdmaBackendThread comp_thread; + union ibv_gid gid; + PCIDevice *dev; + RdmaDeviceResources *rdma_dev_res; + struct ibv_device *ib_dev; + struct ibv_context *context; + struct ibv_comp_channel *channel; + uint8_t port_num; + uint8_t backend_gid_idx; +} RdmaBackendDev; + +typedef struct RdmaBackendPD { + struct ibv_pd *ibpd; +} RdmaBackendPD; + +typedef struct RdmaBackendMR { + struct ibv_pd *ibpd; + struct ibv_mr *ibmr; +} RdmaBackendMR; + +typedef struct RdmaBackendCQ { + RdmaBackendDev *backend_dev; + struct ibv_cq *ibcq; +} RdmaBackendCQ; + +typedef struct RdmaBackendQP { + struct ibv_pd *ibpd; + struct ibv_qp *ibqp; +} RdmaBackendQP; + +#endif diff --git a/hw/rdma/rdma_rm_defs.h b/hw/rdma/rdma_rm_defs.h new file mode 100644 index 0000000000..6522dca68f --- /dev/null +++ b/hw/rdma/rdma_rm_defs.h @@ -0,0 +1,104 @@ +/* + * RDMA device: Definitions of Resource Manager structures + * + * 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_DEFS_H +#define RDMA_RM_DEFS_H + +#include "rdma_backend_defs.h" + +#define MAX_PORTS 1 +#define MAX_PORT_GIDS 1 +#define MAX_PORT_PKEYS 1 +#define MAX_PKEYS 1 +#define MAX_GIDS 2048 +#define MAX_UCS 512 +#define MAX_MR_SIZE (1UL << 27) +#define MAX_QP 1024 +#define MAX_SGE 4 +#define MAX_CQ 2048 +#define MAX_MR 1024 +#define MAX_PD 1024 +#define MAX_QP_RD_ATOM 16 +#define MAX_QP_INIT_RD_ATOM 16 +#define MAX_AH 64 + +#define MAX_RMRESTBL_NAME_SZ 16 +typedef struct RdmaRmResTbl { + char name[MAX_RMRESTBL_NAME_SZ]; + QemuMutex lock; + unsigned long *bitmap; + size_t tbl_sz; + size_t res_sz; + void *tbl; +} RdmaRmResTbl; + +typedef struct RdmaRmPD { + RdmaBackendPD backend_pd; + uint32_t ctx_handle; +} RdmaRmPD; + +typedef struct RdmaRmCQ { + RdmaBackendCQ backend_cq; + void *opaque; + bool notify; +} RdmaRmCQ; + +typedef struct RdmaRmUserMR { + uint64_t host_virt; + uint64_t guest_start; + size_t length; +} RdmaRmUserMR; + +/* MR (DMA region) */ +typedef struct RdmaRmMR { + RdmaBackendMR backend_mr; + RdmaRmUserMR user_mr; + uint32_t pd_handle; + uint32_t lkey; + uint32_t rkey; +} RdmaRmMR; + +typedef struct RdmaRmUC { + uint64_t uc_handle; +} RdmaRmUC; + +typedef struct RdmaRmQP { + RdmaBackendQP backend_qp; + void *opaque; + uint32_t qp_type; + uint32_t qpn; + uint32_t send_cq_handle; + uint32_t recv_cq_handle; + enum ibv_qp_state qp_state; +} RdmaRmQP; + +typedef struct RdmaRmPort { + union ibv_gid gid_tbl[MAX_PORT_GIDS]; + enum ibv_port_state state; + int *pkey_tbl; /* TODO: Not yet supported */ +} RdmaRmPort; + +typedef struct RdmaDeviceResources { + RdmaRmPort ports[MAX_PORTS]; + RdmaRmResTbl pd_tbl; + RdmaRmResTbl mr_tbl; + RdmaRmResTbl uc_tbl; + RdmaRmResTbl qp_tbl; + RdmaRmResTbl cq_tbl; + RdmaRmResTbl cqe_ctx_tbl; + GHashTable *qp_hash; /* Keeps mapping between real and emulated */ +} RdmaDeviceResources; + +#endif |