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Diffstat (limited to 'hw/rdma/rdma_backend.c')
-rw-r--r--hw/rdma/rdma_backend.c63
1 files changed, 24 insertions, 39 deletions
diff --git a/hw/rdma/rdma_backend.c b/hw/rdma/rdma_backend.c
index c28bfbd44d..fd571f21e5 100644
--- a/hw/rdma/rdma_backend.c
+++ b/hw/rdma/rdma_backend.c
@@ -32,17 +32,6 @@
#include "rdma_rm.h"
#include "rdma_backend.h"
-/* Vendor Errors */
-#define VENDOR_ERR_FAIL_BACKEND 0x201
-#define VENDOR_ERR_TOO_MANY_SGES 0x202
-#define VENDOR_ERR_NOMEM 0x203
-#define VENDOR_ERR_QP0 0x204
-#define VENDOR_ERR_INV_NUM_SGE 0x205
-#define VENDOR_ERR_MAD_SEND 0x206
-#define VENDOR_ERR_INVLKEY 0x207
-#define VENDOR_ERR_MR_SMALL 0x208
-#define VENDOR_ERR_INV_MAD_BUFF 0x209
-
#define THR_NAME_LEN 16
#define THR_POLL_TO 5000
@@ -190,7 +179,7 @@ static inline int rdmacm_mux_can_process_async(RdmaBackendDev *backend_dev)
static int check_mux_op_status(CharBackend *mad_chr_be)
{
- RdmaCmMuxMsg msg = {0};
+ RdmaCmMuxMsg msg = {};
int ret;
pr_dbg("Reading response\n");
@@ -387,7 +376,7 @@ static int build_host_sge_array(RdmaDeviceResources *rdma_dev_res,
static int mad_send(RdmaBackendDev *backend_dev, uint8_t sgid_idx,
union ibv_gid *sgid, struct ibv_sge *sge, uint32_t num_sge)
{
- RdmaCmMuxMsg msg = {0};
+ RdmaCmMuxMsg msg = {};
char *hdr, *data;
int ret;
@@ -475,11 +464,6 @@ void rdma_backend_post_send(RdmaBackendDev *backend_dev,
}
pr_dbg("num_sge=%d\n", num_sge);
- if (!num_sge || num_sge > MAX_SGE) {
- pr_dbg("invalid num_sge=%d\n", num_sge);
- complete_work(IBV_WC_GENERAL_ERR, VENDOR_ERR_INV_NUM_SGE, ctx);
- return;
- }
bctx = g_malloc0(sizeof(*bctx));
bctx->up_ctx = ctx;
@@ -602,11 +586,6 @@ void rdma_backend_post_recv(RdmaBackendDev *backend_dev,
}
pr_dbg("num_sge=%d\n", num_sge);
- if (!num_sge || num_sge > MAX_SGE) {
- pr_dbg("invalid num_sge=%d\n", num_sge);
- complete_work(IBV_WC_GENERAL_ERR, VENDOR_ERR_INV_NUM_SGE, ctx);
- return;
- }
bctx = g_malloc0(sizeof(*bctx));
bctx->up_ctx = ctx;
@@ -938,21 +917,25 @@ void rdma_backend_destroy_qp(RdmaBackendQP *qp)
static int init_device_caps(RdmaBackendDev *backend_dev,
struct ibv_device_attr *dev_attr)
{
- if (ibv_query_device(backend_dev->context, &backend_dev->dev_attr)) {
+ struct ibv_device_attr bk_dev_attr;
+
+ if (ibv_query_device(backend_dev->context, &bk_dev_attr)) {
return -EIO;
}
- CHK_ATTR(dev_attr, backend_dev->dev_attr, max_mr_size, "%" PRId64);
- CHK_ATTR(dev_attr, backend_dev->dev_attr, max_qp, "%d");
- CHK_ATTR(dev_attr, backend_dev->dev_attr, max_sge, "%d");
- CHK_ATTR(dev_attr, backend_dev->dev_attr, max_qp_wr, "%d");
- CHK_ATTR(dev_attr, backend_dev->dev_attr, max_cq, "%d");
- CHK_ATTR(dev_attr, backend_dev->dev_attr, max_cqe, "%d");
- CHK_ATTR(dev_attr, backend_dev->dev_attr, max_mr, "%d");
- CHK_ATTR(dev_attr, backend_dev->dev_attr, max_pd, "%d");
- CHK_ATTR(dev_attr, backend_dev->dev_attr, max_qp_rd_atom, "%d");
- CHK_ATTR(dev_attr, backend_dev->dev_attr, max_qp_init_rd_atom, "%d");
- CHK_ATTR(dev_attr, backend_dev->dev_attr, max_ah, "%d");
+ dev_attr->max_sge = MAX_SGE;
+
+ CHK_ATTR(dev_attr, bk_dev_attr, max_mr_size, "%" PRId64);
+ CHK_ATTR(dev_attr, bk_dev_attr, max_qp, "%d");
+ CHK_ATTR(dev_attr, bk_dev_attr, max_sge, "%d");
+ CHK_ATTR(dev_attr, bk_dev_attr, max_qp_wr, "%d");
+ CHK_ATTR(dev_attr, bk_dev_attr, max_cq, "%d");
+ CHK_ATTR(dev_attr, bk_dev_attr, max_cqe, "%d");
+ CHK_ATTR(dev_attr, bk_dev_attr, max_mr, "%d");
+ CHK_ATTR(dev_attr, bk_dev_attr, max_pd, "%d");
+ CHK_ATTR(dev_attr, bk_dev_attr, max_qp_rd_atom, "%d");
+ CHK_ATTR(dev_attr, bk_dev_attr, max_qp_init_rd_atom, "%d");
+ CHK_ATTR(dev_attr, bk_dev_attr, max_ah, "%d");
return 0;
}
@@ -1083,8 +1066,10 @@ static void mad_fini(RdmaBackendDev *backend_dev)
pr_dbg("Stopping MAD\n");
disable_rdmacm_mux_async(backend_dev);
qemu_chr_fe_disconnect(backend_dev->rdmacm_mux.chr_be);
- qlist_destroy_obj(QOBJECT(backend_dev->recv_mads_list.list));
- qemu_mutex_destroy(&backend_dev->recv_mads_list.lock);
+ if (backend_dev->recv_mads_list.list) {
+ qlist_destroy_obj(QOBJECT(backend_dev->recv_mads_list.list));
+ qemu_mutex_destroy(&backend_dev->recv_mads_list.lock);
+ }
}
int rdma_backend_get_gid_index(RdmaBackendDev *backend_dev,
@@ -1112,7 +1097,7 @@ int rdma_backend_get_gid_index(RdmaBackendDev *backend_dev,
int rdma_backend_add_gid(RdmaBackendDev *backend_dev, const char *ifname,
union ibv_gid *gid)
{
- RdmaCmMuxMsg msg = {0};
+ RdmaCmMuxMsg msg = {};
int ret;
pr_dbg("0x%llx, 0x%llx\n",
@@ -1138,7 +1123,7 @@ int rdma_backend_add_gid(RdmaBackendDev *backend_dev, const char *ifname,
int rdma_backend_del_gid(RdmaBackendDev *backend_dev, const char *ifname,
union ibv_gid *gid)
{
- RdmaCmMuxMsg msg = {0};
+ RdmaCmMuxMsg msg = {};
int ret;
pr_dbg("0x%llx, 0x%llx\n",