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authorYuval Shaia <yuval.shaia@oracle.com>2019-03-11 03:29:10 -0700
committerMarcel Apfelbaum <marcel.apfelbaum@gmail.com>2019-03-16 15:52:44 +0200
commitff30a446b1d13373d35417d77d80b11cfde3fc6c (patch)
tree68711e509ad4fd2e9611edc4c3fe28cfaffaa807 /hw/rdma
parentf4b2c02a2911b164474b998532b1a963fc9b785b (diff)
hw/rdma: Free all MAD receive buffers when device is closed
When device is going down free all saved MAD buffers. Signed-off-by: Yuval Shaia <yuval.shaia@oracle.com> Reviewed-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com> Message-Id: <1552300155-25216-7-git-send-email-yuval.shaia@oracle.com> Reviewed-by: Kamal Heib <kamalheib1@gmail.com> Signed-off-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
Diffstat (limited to 'hw/rdma')
-rw-r--r--hw/rdma/rdma_backend.c34
-rw-r--r--hw/rdma/vmw/pvrdma_main.c2
2 files changed, 35 insertions, 1 deletions
diff --git a/hw/rdma/rdma_backend.c b/hw/rdma/rdma_backend.c
index e8af9741b1..d0bbe57bd2 100644
--- a/hw/rdma/rdma_backend.c
+++ b/hw/rdma/rdma_backend.c
@@ -64,6 +64,33 @@ static inline void complete_work(enum ibv_wc_status status, uint32_t vendor_err,
comp_handler(ctx, &wc);
}
+static void free_cqe_ctx(gpointer data, gpointer user_data)
+{
+ BackendCtx *bctx;
+ RdmaDeviceResources *rdma_dev_res = user_data;
+ unsigned long cqe_ctx_id = GPOINTER_TO_INT(data);
+
+ bctx = rdma_rm_get_cqe_ctx(rdma_dev_res, cqe_ctx_id);
+ if (bctx) {
+ rdma_rm_dealloc_cqe_ctx(rdma_dev_res, cqe_ctx_id);
+ }
+ g_free(bctx);
+}
+
+static void clean_recv_mads(RdmaBackendDev *backend_dev)
+{
+ unsigned long cqe_ctx_id;
+
+ do {
+ cqe_ctx_id = rdma_protected_qlist_pop_int64(&backend_dev->
+ recv_mads_list);
+ if (cqe_ctx_id != -ENOENT) {
+ free_cqe_ctx(GINT_TO_POINTER(cqe_ctx_id),
+ backend_dev->rdma_dev_res);
+ }
+ } while (cqe_ctx_id != -ENOENT);
+}
+
static int rdma_poll_cq(RdmaDeviceResources *rdma_dev_res, struct ibv_cq *ibcq)
{
int i, ne, total_ne = 0;
@@ -1037,6 +1064,11 @@ static int mad_init(RdmaBackendDev *backend_dev, CharBackend *mad_chr_be)
return 0;
}
+static void mad_stop(RdmaBackendDev *backend_dev)
+{
+ clean_recv_mads(backend_dev);
+}
+
static void mad_fini(RdmaBackendDev *backend_dev)
{
disable_rdmacm_mux_async(backend_dev);
@@ -1224,12 +1256,12 @@ void rdma_backend_start(RdmaBackendDev *backend_dev)
void rdma_backend_stop(RdmaBackendDev *backend_dev)
{
+ mad_stop(backend_dev);
stop_backend_thread(&backend_dev->comp_thread);
}
void rdma_backend_fini(RdmaBackendDev *backend_dev)
{
- rdma_backend_stop(backend_dev);
mad_fini(backend_dev);
g_hash_table_destroy(ah_hash);
ibv_destroy_comp_channel(backend_dev->channel);
diff --git a/hw/rdma/vmw/pvrdma_main.c b/hw/rdma/vmw/pvrdma_main.c
index 729a2df5a0..04845f46f7 100644
--- a/hw/rdma/vmw/pvrdma_main.c
+++ b/hw/rdma/vmw/pvrdma_main.c
@@ -313,6 +313,8 @@ static void pvrdma_fini(PCIDevice *pdev)
pvrdma_qp_ops_fini();
+ rdma_backend_stop(&dev->backend_dev);
+
rdma_rm_fini(&dev->rdma_dev_res, &dev->backend_dev,
dev->backend_eth_device_name);