From: Nicolas Chautru <nicolas.chautru@intel.com>
To: dev@dpdk.org, maxime.coquelin@redhat.com
Cc: hernan.vargas@intel.com, stable@dpdk.or,
Nicolas Chautru <nicolas.chautru@intel.com>,
stable@dpdk.org
Subject: [PATCH v1 3/9] baseband/acc: remove interrupt support on VRB1
Date: Thu, 9 Feb 2023 22:19:23 +0000 [thread overview]
Message-ID: <20230209221929.265059-4-nicolas.chautru@intel.com> (raw)
In-Reply-To: <20230209221929.265059-1-nicolas.chautru@intel.com>
Not enabling interrupt in VRB1 PMD variant to avoid
potential corner case.
Fixes: 3cabc8eaf524 ("baseband/acc200: support interrupt")
Cc: stable@dpdk.org
Signed-off-by: Nicolas Chautru <nicolas.chautru@intel.com>
---
drivers/baseband/acc/rte_vrb_pmd.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/baseband/acc/rte_vrb_pmd.c b/drivers/baseband/acc/rte_vrb_pmd.c
index c43c08afe8..a111836e51 100644
--- a/drivers/baseband/acc/rte_vrb_pmd.c
+++ b/drivers/baseband/acc/rte_vrb_pmd.c
@@ -586,6 +586,14 @@ vrb_intr_enable(struct rte_bbdev *dev)
{
int ret;
struct acc_device *d = dev->data->dev_private;
+
+ if (d->device_variant == VRB1_VARIANT) {
+ /* On VRB1: cannot enable MSI/IR to avoid potential back-pressure corner case. */
+ rte_bbdev_log(ERR, "VRB1 (%s) doesn't support any MSI/MSI-X interrupt\n",
+ dev->data->name);
+ return -ENOTSUP;
+ }
+
/*
* MSI/MSI-X are supported.
* Option controlled by vfio-intr through EAL parameter.
--
2.34.1
next prev parent reply other threads:[~2023-02-09 22:23 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-02-09 22:19 [PATCH v1 0/9] baseband/acc: VRB PMD fixes Nicolas Chautru
2023-02-09 22:19 ` [PATCH v1 1/9] baseband/acc: protection for TB negative scenario Nicolas Chautru
2023-02-10 8:17 ` Maxime Coquelin
2023-02-10 17:28 ` Chautru, Nicolas
2023-02-10 17:58 ` [PATCH v2 0/9] baseband/acc: VRB PMD fixes Nicolas Chautru
2023-02-10 17:58 ` [PATCH v2 1/9] baseband/acc: protection for TB negative scenario Nicolas Chautru
2023-02-23 8:56 ` Maxime Coquelin
2023-02-23 17:25 ` Chautru, Nicolas
2023-02-10 17:58 ` [PATCH v2 2/9] baseband/acc: remove interrupt support on VRB1 Nicolas Chautru
2023-02-10 17:58 ` [PATCH v2 3/9] baseband/acc: add explicit mbuf append for soft output Nicolas Chautru
2023-02-22 11:20 ` Maxime Coquelin
2023-02-10 17:58 ` [PATCH v2 4/9] baseband/acc: prevent to dequeue more than requested Nicolas Chautru
2023-02-10 17:58 ` [PATCH v2 5/9] baseband/acc: fix iteration counter in TB mode Nicolas Chautru
2023-02-10 17:58 ` [PATCH v2 6/9] baseband/acc: fix potential arithmetic overflow Nicolas Chautru
2023-02-10 17:58 ` [PATCH v2 7/9] baseband/acc: add support for 4GUL CRC drop in VRB PMD Nicolas Chautru
2023-02-10 17:58 ` [PATCH v2 8/9] baseband/acc: add support for 4GUL with SO and TB Nicolas Chautru
2023-02-10 17:58 ` [PATCH v2 9/9] baseband/acc: remove printf from PMD function Nicolas Chautru
2023-02-23 9:28 ` [PATCH v2 0/9] baseband/acc: VRB PMD fixes Maxime Coquelin
2023-02-09 22:19 ` [PATCH v1 2/9] baseband/acc: add support for 4GUL with SO and TB Nicolas Chautru
2023-02-10 8:30 ` Maxime Coquelin
2023-02-10 17:29 ` Chautru, Nicolas
2023-02-09 22:19 ` Nicolas Chautru [this message]
2023-02-10 8:31 ` [PATCH v1 3/9] baseband/acc: remove interrupt support on VRB1 Maxime Coquelin
2023-02-09 22:19 ` [PATCH v1 4/9] baseband/acc: add explicit mbuf apend for soft output Nicolas Chautru
2023-02-10 8:40 ` Maxime Coquelin
2023-02-10 17:35 ` Chautru, Nicolas
2023-02-09 22:19 ` [PATCH v1 5/9] baseband/acc: prevent to dequeue more than requested Nicolas Chautru
2023-02-10 9:39 ` Maxime Coquelin
2023-02-09 22:19 ` [PATCH v1 6/9] baseband/acc: fix iteration counter in TB mode Nicolas Chautru
2023-02-10 9:40 ` Maxime Coquelin
2023-02-09 22:19 ` [PATCH v1 7/9] baseband/acc: fix potential arithmetic overflow Fix potential issue of overflow causing coverity warning Nicolas Chautru
2023-02-10 9:41 ` Maxime Coquelin
2023-02-09 22:19 ` [PATCH v1 8/9] baseband/acc: add support for 4GUL CRC drop in VRB PMD Nicolas Chautru
2023-02-10 9:43 ` Maxime Coquelin
2023-02-09 22:19 ` [PATCH v1 9/9] baseband/acc: remove printf from PMD function Nicolas Chautru
2023-02-10 9:45 ` Maxime Coquelin
2023-02-10 17:46 ` Chautru, Nicolas
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