9bbb8d3577
To avoid compilation warnings on 32-bit machines: rdma_backend.c: In function 'rdma_backend_create_mr': rdma_backend.c:409:37: error: cast to pointer from integer of different size [-Werror=int-to-pointer-cast] mr->ibmr = ibv_reg_mr(pd->ibpd, (void *)addr, length, access); Reported-by: Eric Blake <eblake@redhat.com> Signed-off-by: Yuval Shaia <yuval.shaia@oracle.com> Reviewed-by: Eric Blake <eblake@redhat.com> Tested-by: Eric Blake <eblake@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20180322095220.9976-2-yuval.shaia@oracle.com> Signed-off-by: Marcel Apfelbaum <marcel@redhat.com>
105 lines
2.4 KiB
C
105 lines
2.4 KiB
C
/*
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* RDMA device: Definitions of Resource Manager structures
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*
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* Copyright (C) 2018 Oracle
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* Copyright (C) 2018 Red Hat Inc
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*
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* Authors:
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* Yuval Shaia <yuval.shaia@oracle.com>
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* Marcel Apfelbaum <marcel@redhat.com>
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*
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*/
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#ifndef RDMA_RM_DEFS_H
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#define RDMA_RM_DEFS_H
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#include "rdma_backend_defs.h"
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#define MAX_PORTS 1
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#define MAX_PORT_GIDS 1
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#define MAX_PORT_PKEYS 1
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#define MAX_PKEYS 1
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#define MAX_GIDS 2048
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#define MAX_UCS 512
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#define MAX_MR_SIZE (1UL << 27)
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#define MAX_QP 1024
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#define MAX_SGE 4
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#define MAX_CQ 2048
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#define MAX_MR 1024
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#define MAX_PD 1024
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#define MAX_QP_RD_ATOM 16
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#define MAX_QP_INIT_RD_ATOM 16
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#define MAX_AH 64
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#define MAX_RMRESTBL_NAME_SZ 16
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typedef struct RdmaRmResTbl {
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char name[MAX_RMRESTBL_NAME_SZ];
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QemuMutex lock;
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unsigned long *bitmap;
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size_t tbl_sz;
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size_t res_sz;
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void *tbl;
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} RdmaRmResTbl;
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typedef struct RdmaRmPD {
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RdmaBackendPD backend_pd;
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uint32_t ctx_handle;
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} RdmaRmPD;
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typedef struct RdmaRmCQ {
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RdmaBackendCQ backend_cq;
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void *opaque;
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bool notify;
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} RdmaRmCQ;
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typedef struct RdmaRmUserMR {
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void *host_virt;
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uint64_t guest_start;
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size_t length;
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} RdmaRmUserMR;
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/* MR (DMA region) */
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typedef struct RdmaRmMR {
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RdmaBackendMR backend_mr;
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RdmaRmUserMR user_mr;
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uint32_t pd_handle;
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uint32_t lkey;
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uint32_t rkey;
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} RdmaRmMR;
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typedef struct RdmaRmUC {
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uint64_t uc_handle;
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} RdmaRmUC;
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typedef struct RdmaRmQP {
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RdmaBackendQP backend_qp;
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void *opaque;
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uint32_t qp_type;
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uint32_t qpn;
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uint32_t send_cq_handle;
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uint32_t recv_cq_handle;
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enum ibv_qp_state qp_state;
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} RdmaRmQP;
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typedef struct RdmaRmPort {
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union ibv_gid gid_tbl[MAX_PORT_GIDS];
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enum ibv_port_state state;
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int *pkey_tbl; /* TODO: Not yet supported */
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} RdmaRmPort;
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typedef struct RdmaDeviceResources {
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RdmaRmPort ports[MAX_PORTS];
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RdmaRmResTbl pd_tbl;
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RdmaRmResTbl mr_tbl;
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RdmaRmResTbl uc_tbl;
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RdmaRmResTbl qp_tbl;
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RdmaRmResTbl cq_tbl;
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RdmaRmResTbl cqe_ctx_tbl;
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GHashTable *qp_hash; /* Keeps mapping between real and emulated */
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} RdmaDeviceResources;
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#endif
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