From: Adrian Moreno <amorenoz@redhat.com>
To: dev@dpdk.org
Cc: zhihong.wang@intel.com, chenbo.xia@intel.com,
maxime.coquelin@redhat.com, Adrian Moreno <amorenoz@redhat.com>
Subject: [dpdk-dev] [PATCH v2 3/4] net/virtio: add GET_STATUS support to virtio-user
Date: Tue, 4 Aug 2020 09:24:30 +0200 [thread overview]
Message-ID: <20200804072431.86441-4-amorenoz@redhat.com> (raw)
In-Reply-To: <20200804072431.86441-1-amorenoz@redhat.com>
This patch adds support for VHOST_USER_GET_STATUS request.
Only vhost-user backed is supported for now
Signed-off-by: Adrian Moreno <amorenoz@redhat.com>
---
drivers/net/virtio/virtio_user/vhost_user.c | 2 +
.../net/virtio/virtio_user/virtio_user_dev.c | 42 +++++++++++++++++++
.../net/virtio/virtio_user/virtio_user_dev.h | 1 +
drivers/net/virtio/virtio_user_ethdev.c | 2 +
4 files changed, 47 insertions(+)
diff --git a/drivers/net/virtio/virtio_user/vhost_user.c b/drivers/net/virtio/virtio_user/vhost_user.c
index 337e51199..12b6c7dbc 100644
--- a/drivers/net/virtio/virtio_user/vhost_user.c
+++ b/drivers/net/virtio/virtio_user/vhost_user.c
@@ -279,6 +279,7 @@ vhost_user_sock(struct virtio_user_dev *dev,
switch (req) {
case VHOST_USER_GET_FEATURES:
case VHOST_USER_GET_PROTOCOL_FEATURES:
+ case VHOST_USER_GET_STATUS:
need_reply = 1;
break;
@@ -373,6 +374,7 @@ vhost_user_sock(struct virtio_user_dev *dev,
switch (req) {
case VHOST_USER_GET_FEATURES:
+ case VHOST_USER_GET_STATUS:
case VHOST_USER_GET_PROTOCOL_FEATURES:
if (msg.size != sizeof(m.payload.u64)) {
PMD_DRV_LOG(ERR, "Received bad msg size");
diff --git a/drivers/net/virtio/virtio_user/virtio_user_dev.c b/drivers/net/virtio/virtio_user/virtio_user_dev.c
index 670fc9d40..a5b2d7057 100644
--- a/drivers/net/virtio/virtio_user/virtio_user_dev.c
+++ b/drivers/net/virtio/virtio_user/virtio_user_dev.c
@@ -807,3 +807,45 @@ virtio_user_send_status_update(struct virtio_user_dev *dev, uint8_t status)
return 0;
}
+
+int
+virtio_user_update_status(struct virtio_user_dev *dev)
+{
+ uint64_t ret;
+ int err;
+
+ /* Vhost-user only for now */
+ if (!is_vhost_user_by_type(dev->path))
+ return 0;
+
+ if (!(dev->protocol_features & (1UL << VHOST_USER_PROTOCOL_F_STATUS)))
+ return 0;
+
+ err = dev->ops->send_request(dev, VHOST_USER_GET_STATUS, &ret);
+ if (err) {
+ PMD_INIT_LOG(ERR, "VHOST_USER_GET_STATUS failed (%d): %s", err,
+ strerror(errno));
+ return -1;
+ }
+ if (ret > UINT8_MAX) {
+ PMD_INIT_LOG(ERR, "Invalid VHOST_USER_GET_STATUS response 0x%" PRIx64 "\n", ret);
+ return -1;
+ }
+
+ dev->status = ret;
+ PMD_INIT_LOG(DEBUG, "Updated Device Status(0x%08x):\n"
+ "\t-ACKNOWLEDGE: %u\n"
+ "\t-DRIVER: %u\n"
+ "\t-DRIVER_OK: %u\n"
+ "\t-FEATURES_OK: %u\n"
+ "\t-DEVICE_NEED_RESET: %u\n"
+ "\t-FAILED: %u\n",
+ dev->status,
+ !!(dev->status & VIRTIO_CONFIG_STATUS_ACK),
+ !!(dev->status & VIRTIO_CONFIG_STATUS_DRIVER),
+ !!(dev->status & VIRTIO_CONFIG_STATUS_DRIVER_OK),
+ !!(dev->status & VIRTIO_CONFIG_STATUS_FEATURES_OK),
+ !!(dev->status & VIRTIO_CONFIG_STATUS_DEV_NEED_RESET),
+ !!(dev->status & VIRTIO_CONFIG_STATUS_FAILED));
+ return 0;
+}
diff --git a/drivers/net/virtio/virtio_user/virtio_user_dev.h b/drivers/net/virtio/virtio_user/virtio_user_dev.h
index 835ab64ae..9377d5ba6 100644
--- a/drivers/net/virtio/virtio_user/virtio_user_dev.h
+++ b/drivers/net/virtio/virtio_user/virtio_user_dev.h
@@ -73,4 +73,5 @@ void virtio_user_handle_cq_packed(struct virtio_user_dev *dev,
uint16_t queue_idx);
uint8_t virtio_user_handle_mq(struct virtio_user_dev *dev, uint16_t q_pairs);
int virtio_user_send_status_update(struct virtio_user_dev *dev, uint8_t status);
+int virtio_user_update_status(struct virtio_user_dev *dev);
#endif
diff --git a/drivers/net/virtio/virtio_user_ethdev.c b/drivers/net/virtio/virtio_user_ethdev.c
index 785882e06..87f6cb695 100644
--- a/drivers/net/virtio/virtio_user_ethdev.c
+++ b/drivers/net/virtio/virtio_user_ethdev.c
@@ -280,6 +280,8 @@ virtio_user_get_status(struct virtio_hw *hw)
{
struct virtio_user_dev *dev = virtio_user_get_dev(hw);
+ virtio_user_update_status(dev);
+
return dev->status;
}
--
2.26.2
next prev parent reply other threads:[~2020-08-04 7:25 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-04 7:24 [dpdk-dev] [PATCH v2 0/4] Add support for GET/SET_STATUS on virtio-user pmd Adrian Moreno
2020-08-04 7:24 ` [dpdk-dev] [PATCH v2 1/4] net/virtio: add DEVICE_NEEDS_RESET status bit Adrian Moreno
2020-08-05 10:52 ` Xia, Chenbo
2020-08-05 14:07 ` Adrian Moreno
2020-08-04 7:24 ` [dpdk-dev] [PATCH v2 2/4] net/virtio: add VIRTIO_SET_STATUS support to Virtio-user Adrian Moreno
2020-08-05 10:53 ` Xia, Chenbo
2020-08-04 7:24 ` Adrian Moreno [this message]
2020-08-05 10:55 ` [dpdk-dev] [PATCH v2 3/4] net/virtio: add GET_STATUS support to virtio-user Xia, Chenbo
2020-08-05 14:06 ` Adrian Moreno
2020-08-04 7:24 ` [dpdk-dev] [PATCH v2 4/4] net/virtio: enable feature checking on virtio-user Adrian Moreno
2020-08-05 10:57 ` Xia, Chenbo
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20200804072431.86441-4-amorenoz@redhat.com \
--to=amorenoz@redhat.com \
--cc=chenbo.xia@intel.com \
--cc=dev@dpdk.org \
--cc=maxime.coquelin@redhat.com \
--cc=zhihong.wang@intel.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).