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path: root/net/sunrpc/xprtrdma/svc_rdma_transport.c
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Diffstat (limited to 'net/sunrpc/xprtrdma/svc_rdma_transport.c')
-rw-r--r--net/sunrpc/xprtrdma/svc_rdma_transport.c83
1 files changed, 41 insertions, 42 deletions
diff --git a/net/sunrpc/xprtrdma/svc_rdma_transport.c b/net/sunrpc/xprtrdma/svc_rdma_transport.c
index f609c1c2d38d..f4cfa764d76f 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_transport.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_transport.c
@@ -175,8 +175,8 @@ void svc_rdma_put_req_map(struct svc_rdma_req_map *map)
static void cq_event_handler(struct ib_event *event, void *context)
{
struct svc_xprt *xprt = context;
- dprintk("svcrdma: received CQ event id=%d, context=%p\n",
- event->event, context);
+ dprintk("svcrdma: received CQ event %s (%d), context=%p\n",
+ ib_event_msg(event->event), event->event, context);
set_bit(XPT_CLOSE, &xprt->xpt_flags);
}
@@ -191,8 +191,9 @@ static void qp_event_handler(struct ib_event *event, void *context)
case IB_EVENT_COMM_EST:
case IB_EVENT_SQ_DRAINED:
case IB_EVENT_QP_LAST_WQE_REACHED:
- dprintk("svcrdma: QP event %d received for QP=%p\n",
- event->event, event->element.qp);
+ dprintk("svcrdma: QP event %s (%d) received for QP=%p\n",
+ ib_event_msg(event->event), event->event,
+ event->element.qp);
break;
/* These are considered fatal events */
case IB_EVENT_PATH_MIG_ERR:
@@ -201,9 +202,10 @@ static void qp_event_handler(struct ib_event *event, void *context)
case IB_EVENT_QP_ACCESS_ERR:
case IB_EVENT_DEVICE_FATAL:
default:
- dprintk("svcrdma: QP ERROR event %d received for QP=%p, "
+ dprintk("svcrdma: QP ERROR event %s (%d) received for QP=%p, "
"closing transport\n",
- event->event, event->element.qp);
+ ib_event_msg(event->event), event->event,
+ event->element.qp);
set_bit(XPT_CLOSE, &xprt->xpt_flags);
break;
}
@@ -402,7 +404,8 @@ static void sq_cq_reap(struct svcxprt_rdma *xprt)
for (i = 0; i < ret; i++) {
wc = &wc_a[i];
if (wc->status != IB_WC_SUCCESS) {
- dprintk("svcrdma: sq wc err status %d\n",
+ dprintk("svcrdma: sq wc err status %s (%d)\n",
+ ib_wc_status_msg(wc->status),
wc->status);
/* Close the transport */
@@ -616,7 +619,8 @@ static int rdma_listen_handler(struct rdma_cm_id *cma_id,
switch (event->event) {
case RDMA_CM_EVENT_CONNECT_REQUEST:
dprintk("svcrdma: Connect request on cma_id=%p, xprt = %p, "
- "event=%d\n", cma_id, cma_id->context, event->event);
+ "event = %s (%d)\n", cma_id, cma_id->context,
+ rdma_event_msg(event->event), event->event);
handle_connect_req(cma_id,
event->param.conn.initiator_depth);
break;
@@ -636,7 +640,8 @@ static int rdma_listen_handler(struct rdma_cm_id *cma_id,
default:
dprintk("svcrdma: Unexpected event on listening endpoint %p, "
- "event=%d\n", cma_id, event->event);
+ "event = %s (%d)\n", cma_id,
+ rdma_event_msg(event->event), event->event);
break;
}
@@ -669,7 +674,8 @@ static int rdma_cma_handler(struct rdma_cm_id *cma_id,
break;
case RDMA_CM_EVENT_DEVICE_REMOVAL:
dprintk("svcrdma: Device removal cma_id=%p, xprt = %p, "
- "event=%d\n", cma_id, xprt, event->event);
+ "event = %s (%d)\n", cma_id, xprt,
+ rdma_event_msg(event->event), event->event);
if (xprt) {
set_bit(XPT_CLOSE, &xprt->xpt_flags);
svc_xprt_enqueue(xprt);
@@ -677,7 +683,8 @@ static int rdma_cma_handler(struct rdma_cm_id *cma_id,
break;
default:
dprintk("svcrdma: Unexpected event on DTO endpoint %p, "
- "event=%d\n", cma_id, event->event);
+ "event = %s (%d)\n", cma_id,
+ rdma_event_msg(event->event), event->event);
break;
}
return 0;
@@ -848,10 +855,11 @@ static struct svc_xprt *svc_rdma_accept(struct svc_xprt *xprt)
struct svcxprt_rdma *listen_rdma;
struct svcxprt_rdma *newxprt = NULL;
struct rdma_conn_param conn_param;
+ struct ib_cq_init_attr cq_attr = {};
struct ib_qp_init_attr qp_attr;
struct ib_device_attr devattr;
int uninitialized_var(dma_mr_acc);
- int need_dma_mr;
+ int need_dma_mr = 0;
int ret;
int i;
@@ -900,22 +908,22 @@ static struct svc_xprt *svc_rdma_accept(struct svc_xprt *xprt)
dprintk("svcrdma: error creating PD for connect request\n");
goto errout;
}
+ cq_attr.cqe = newxprt->sc_sq_depth;
newxprt->sc_sq_cq = ib_create_cq(newxprt->sc_cm_id->device,
sq_comp_handler,
cq_event_handler,
newxprt,
- newxprt->sc_sq_depth,
- 0);
+ &cq_attr);
if (IS_ERR(newxprt->sc_sq_cq)) {
dprintk("svcrdma: error creating SQ CQ for connect request\n");
goto errout;
}
+ cq_attr.cqe = newxprt->sc_max_requests;
newxprt->sc_rq_cq = ib_create_cq(newxprt->sc_cm_id->device,
rq_comp_handler,
cq_event_handler,
newxprt,
- newxprt->sc_max_requests,
- 0);
+ &cq_attr);
if (IS_ERR(newxprt->sc_rq_cq)) {
dprintk("svcrdma: error creating RQ CQ for connect request\n");
goto errout;
@@ -985,35 +993,26 @@ static struct svc_xprt *svc_rdma_accept(struct svc_xprt *xprt)
/*
* Determine if a DMA MR is required and if so, what privs are required
*/
- switch (rdma_node_get_transport(newxprt->sc_cm_id->device->node_type)) {
- case RDMA_TRANSPORT_IWARP:
- newxprt->sc_dev_caps |= SVCRDMA_DEVCAP_READ_W_INV;
- if (!(newxprt->sc_dev_caps & SVCRDMA_DEVCAP_FAST_REG)) {
- need_dma_mr = 1;
- dma_mr_acc =
- (IB_ACCESS_LOCAL_WRITE |
- IB_ACCESS_REMOTE_WRITE);
- } else if (!(devattr.device_cap_flags & IB_DEVICE_LOCAL_DMA_LKEY)) {
- need_dma_mr = 1;
- dma_mr_acc = IB_ACCESS_LOCAL_WRITE;
- } else
- need_dma_mr = 0;
- break;
- case RDMA_TRANSPORT_IB:
- if (!(newxprt->sc_dev_caps & SVCRDMA_DEVCAP_FAST_REG)) {
- need_dma_mr = 1;
- dma_mr_acc = IB_ACCESS_LOCAL_WRITE;
- } else if (!(devattr.device_cap_flags &
- IB_DEVICE_LOCAL_DMA_LKEY)) {
- need_dma_mr = 1;
- dma_mr_acc = IB_ACCESS_LOCAL_WRITE;
- } else
- need_dma_mr = 0;
- break;
- default:
+ if (!rdma_protocol_iwarp(newxprt->sc_cm_id->device,
+ newxprt->sc_cm_id->port_num) &&
+ !rdma_ib_or_roce(newxprt->sc_cm_id->device,
+ newxprt->sc_cm_id->port_num))
goto errout;
+
+ if (!(newxprt->sc_dev_caps & SVCRDMA_DEVCAP_FAST_REG) ||
+ !(devattr.device_cap_flags & IB_DEVICE_LOCAL_DMA_LKEY)) {
+ need_dma_mr = 1;
+ dma_mr_acc = IB_ACCESS_LOCAL_WRITE;
+ if (rdma_protocol_iwarp(newxprt->sc_cm_id->device,
+ newxprt->sc_cm_id->port_num) &&
+ !(newxprt->sc_dev_caps & SVCRDMA_DEVCAP_FAST_REG))
+ dma_mr_acc |= IB_ACCESS_REMOTE_WRITE;
}
+ if (rdma_protocol_iwarp(newxprt->sc_cm_id->device,
+ newxprt->sc_cm_id->port_num))
+ newxprt->sc_dev_caps |= SVCRDMA_DEVCAP_READ_W_INV;
+
/* Create the DMA MR if needed, otherwise, use the DMA LKEY */
if (need_dma_mr) {
/* Register all of physical memory */
generated by cgit v1.2.1 (git 2.18.0) at 2025-02-23 18:20:41 +0000