From: Selvin Xavier <selvin.xavier-dY08KVG/lbpWk0Htik3J/w@public.gmane.org>
To: dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org,
linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Cc: netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
michael.chan-dY08KVG/lbpWk0Htik3J/w@public.gmane.org,
Selvin Xavier
<selvin.xavier-dY08KVG/lbpWk0Htik3J/w@public.gmane.org>,
Eddie Wai <eddie.wai-dY08KVG/lbpWk0Htik3J/w@public.gmane.org>,
Devesh Sharma
<devesh.sharma-dY08KVG/lbpWk0Htik3J/w@public.gmane.org>,
Somnath Kotur
<somnath.kotur-dY08KVG/lbpWk0Htik3J/w@public.gmane.org>,
Sriharsha Basavapatna
<sriharsha.basavapatna-dY08KVG/lbpWk0Htik3J/w@public.gmane.org>
Subject: [PATCH for bnxt_re V3 20/21] bnxt_re: Add QP event handling
Date: Tue, 20 Dec 2016 01:13:30 -0800 [thread overview]
Message-ID: <1482225211-22423-21-git-send-email-selvin.xavier@broadcom.com> (raw)
In-Reply-To: <1482225211-22423-1-git-send-email-selvin.xavier-dY08KVG/lbpWk0Htik3J/w@public.gmane.org>
Implements callback handler for processing Async events related to a QP.
This patch also implements the control path command completion handling.
v3: Removes unwanted braces
Signed-off-by: Eddie Wai <eddie.wai-dY08KVG/lbpWk0Htik3J/w@public.gmane.org>
Signed-off-by: Devesh Sharma <devesh.sharma-dY08KVG/lbpWk0Htik3J/w@public.gmane.org>
Signed-off-by: Somnath Kotur <somnath.kotur-dY08KVG/lbpWk0Htik3J/w@public.gmane.org>
Signed-off-by: Sriharsha Basavapatna <sriharsha.basavapatna-dY08KVG/lbpWk0Htik3J/w@public.gmane.org>
Signed-off-by: Selvin Xavier <selvin.xavier-dY08KVG/lbpWk0Htik3J/w@public.gmane.org>
---
drivers/infiniband/hw/bnxtre/bnxt_qplib_rcfw.c | 47 ++++++++++++++++++++++++++
1 file changed, 47 insertions(+)
diff --git a/drivers/infiniband/hw/bnxtre/bnxt_qplib_rcfw.c b/drivers/infiniband/hw/bnxtre/bnxt_qplib_rcfw.c
index 488c26f..761d32a 100644
--- a/drivers/infiniband/hw/bnxtre/bnxt_qplib_rcfw.c
+++ b/drivers/infiniband/hw/bnxtre/bnxt_qplib_rcfw.c
@@ -257,6 +257,44 @@ static int bnxt_qplib_process_func_event(struct bnxt_qplib_rcfw *rcfw,
return 0;
}
+static int bnxt_qplib_process_qp_event(struct bnxt_qplib_rcfw *rcfw,
+ struct creq_qp_event *qp_event)
+{
+ struct bnxt_qplib_crsq *crsq = &rcfw->crsq;
+ struct bnxt_qplib_hwq *cmdq = &rcfw->cmdq;
+ struct bnxt_qplib_crsqe *crsqe;
+ u16 cbit, cookie, blocked = 0;
+ unsigned long flags;
+ u32 sw_cons;
+
+ switch (qp_event->event) {
+ case CREQ_QP_EVENT_EVENT_QP_ERROR_NOTIFICATION:
+ break;
+ default:
+ /* Command Response */
+ spin_lock_irqsave(&cmdq->lock, flags);
+ sw_cons = HWQ_CMP(crsq->cons, crsq);
+ crsqe = &crsq->crsq[sw_cons];
+ crsq->cons++;
+ memcpy(&crsqe->qp_event, qp_event, sizeof(crsqe->qp_event));
+
+ cookie = le16_to_cpu(crsqe->qp_event.cookie);
+ blocked = cookie & RCFW_CMD_IS_BLOCKING;
+ cookie &= RCFW_MAX_COOKIE_VALUE;
+ cbit = cookie % RCFW_MAX_OUTSTANDING_CMD;
+ if (!test_and_clear_bit(cbit, rcfw->cmdq_bitmap))
+ dev_warn(&rcfw->pdev->dev,
+ "QPLIB: CMD bit %d was not requested", cbit);
+
+ cmdq->cons += crsqe->req_size;
+ spin_unlock_irqrestore(&cmdq->lock, flags);
+ if (!blocked)
+ wake_up(&rcfw->waitq);
+ break;
+ }
+ return 0;
+}
+
/* SP - CREQ Completion handlers */
static void bnxt_qplib_service_creq(unsigned long data)
{
@@ -280,6 +318,15 @@ static void bnxt_qplib_service_creq(unsigned long data)
type = creqe->type & CREQ_BASE_TYPE_MASK;
switch (type) {
case CREQ_BASE_TYPE_QP_EVENT:
+ if (!bnxt_qplib_process_qp_event
+ (rcfw, (struct creq_qp_event *)creqe))
+ rcfw->creq_qp_event_processed++;
+ else {
+ dev_warn(&rcfw->pdev->dev, "QPLIB: crsqe with");
+ dev_warn(&rcfw->pdev->dev,
+ "QPLIB: type = 0x%x not handled",
+ type);
+ }
break;
case CREQ_BASE_TYPE_FUNC_EVENT:
if (!bnxt_qplib_process_func_event
--
2.5.5
--
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next prev parent reply other threads:[~2016-12-20 9:13 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-20 9:13 [PATCH for bnxt_re V3 00/21] Broadcom RoCE Driver (bnxt_re) Selvin Xavier
2016-12-20 9:13 ` [PATCH for bnxt_re V3 01/21] bnxt_re: Add bnxt_re RoCE driver files Selvin Xavier
2016-12-20 9:13 ` [PATCH for bnxt_re V3 03/21] bnxt_re: register with the NIC driver Selvin Xavier
2017-01-15 19:41 ` Leon Romanovsky
2017-01-16 8:08 ` Selvin Xavier
2017-01-16 8:33 ` Leon Romanovsky
2016-12-20 9:13 ` [PATCH for bnxt_re V3 04/21] bnxt_re: Enabling RoCE control path Selvin Xavier
2016-12-20 9:13 ` [PATCH for bnxt_re V3 05/21] bnxt_re: Adding Notification Queue support Selvin Xavier
2016-12-20 9:13 ` [PATCH for bnxt_re V3 06/21] bnxt_re: Support for PD, ucontext and mmap verbs Selvin Xavier
2016-12-20 9:13 ` [PATCH for bnxt_re V3 07/21] bnxt_re: Support for query and modify device verbs Selvin Xavier
2016-12-20 9:13 ` [PATCH for bnxt_re V3 09/21] bnxt_re: Support for GID related verbs Selvin Xavier
2016-12-20 9:13 ` [PATCH for bnxt_re V3 12/21] bnxt_re: Support memory registration verbs Selvin Xavier
2016-12-20 9:13 ` [PATCH for bnxt_re V3 14/21] bnxt_re: Support post_send verb Selvin Xavier
2016-12-20 9:13 ` [PATCH for bnxt_re V3 15/21] bnxt_re: Support post_recv Selvin Xavier
2016-12-20 9:13 ` [PATCH for bnxt_re V3 18/21] bnxt_re: Support for DCB Selvin Xavier
2016-12-20 9:13 ` [PATCH for bnxt_re V3 19/21] bnxt_re: Set uverbs command mask Selvin Xavier
[not found] ` <1482225211-22423-1-git-send-email-selvin.xavier-dY08KVG/lbpWk0Htik3J/w@public.gmane.org>
2016-12-20 9:13 ` [PATCH for bnxt_re V3 02/21] bnxt_re: Introducing autogenerated Host Software Interface(hsi) file Selvin Xavier
2016-12-20 9:13 ` [PATCH for bnxt_re V3 08/21] bnxt_re: Adding support for port related verbs Selvin Xavier
2016-12-20 9:13 ` [PATCH for bnxt_re V3 10/21] bnxt_re: Support for CQ verbs Selvin Xavier
2016-12-20 9:13 ` [PATCH for bnxt_re V3 11/21] bnxt_re: Support for AH verbs Selvin Xavier
2016-12-20 9:13 ` [PATCH for bnxt_re V3 13/21] bnxt_re: Support QP verbs Selvin Xavier
2016-12-20 9:13 ` [PATCH for bnxt_re V3 16/21] bnxt_re: Support poll_cq verb Selvin Xavier
2016-12-20 9:13 ` [PATCH for bnxt_re V3 17/21] bnxt_re: Handling dispatching of events to IB stack Selvin Xavier
2016-12-20 9:13 ` Selvin Xavier [this message]
2016-12-20 9:13 ` [PATCH for bnxt_re V3 21/21] bnxt_re: Add bnxt_re driver build support Selvin Xavier
2016-12-20 14:28 ` [PATCH for bnxt_re V3 00/21] Broadcom RoCE Driver (bnxt_re) Doug Ledford
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