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rdma: Handle IBV_EVENT_QP_FATAL in asynchronous way

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Send a message to the qpair thread to avoid modifying qpair
attributes in the acceptor poller thread which handles ibv events

Signed-off-by: Alexey Marchuk <alexeymar@mellanox.com>
Signed-off-by: Sasha Kotchubievsky <sashakot@mellanox.com>
Signed-off-by: Evgeniy Kochetov <evgeniik@mellanox.com>
Change-Id: I8ea5658a2b226b0be9838eb375a8b80d15c456c5
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/476714
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Seth Howell <seth.howell@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Community-CI: Broadcom SPDK FC-NVMe CI <spdk-ci.pdl@broadcom.com>
Community-CI: SPDK CI Jenkins <sys_sgci@intel.com>
This commit is contained in:
Alexey Marchuk 2019-12-03 20:10:36 +03:00 committed by Tomasz Zawadzki
parent dc84fbaaa1
commit d238788bcc
1 changed files with 11 additions and 2 deletions
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13
lib/nvmf/rdma.c
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@ -3038,6 +3038,13 @@ spdk_nvmf_process_cm_event(struct spdk_nvmf_transport *transport, new_qpair_fn c
}
}
static void
nvmf_rdma_handle_qp_fatal(struct spdk_nvmf_rdma_qpair *rqpair)
{
spdk_nvmf_rdma_update_ibv_state(rqpair);
spdk_nvmf_rdma_start_disconnect(rqpair);
}
static void
nvmf_rdma_handle_last_wqe_reached(struct spdk_nvmf_rdma_qpair *rqpair)
{
@ -3104,8 +3111,10 @@ spdk_nvmf_process_ib_event(struct spdk_nvmf_rdma_device *device)
SPDK_ERRLOG("Fatal event received for rqpair %p\n", rqpair);
spdk_trace_record(TRACE_RDMA_IBV_ASYNC_EVENT, 0, 0,
(uintptr_t)rqpair->cm_id, event.event_type);
spdk_nvmf_rdma_update_ibv_state(rqpair);
spdk_nvmf_rdma_start_disconnect(rqpair);
if (spdk_nvmf_rdma_send_qpair_async_event(rqpair, nvmf_rdma_handle_qp_fatal)) {
SPDK_ERRLOG("Failed to send QP_FATAL event for rqpair %p\n", rqpair);
nvmf_rdma_handle_qp_fatal(rqpair);
}
break;
case IBV_EVENT_QP_LAST_WQE_REACHED:
/* This event only occurs for shared receive queues. */