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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>
This commit is contained in:
Yuval Shaia 2019-03-11 03:29:10 -07:00 committed by Marcel Apfelbaum
parent f4b2c02a29
commit ff30a446b1
2 changed files with 35 additions and 1 deletions
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34
hw/rdma/rdma_backend.c
View File

@ -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);

2
hw/rdma/vmw/pvrdma_main.c
View File

@ -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);