From: Maxime Coquelin <maxime.coquelin@redhat.com>
To: dev@dpdk.org, chenbo.xia@intel.com, olivier.matz@6wind.com,
amorenoz@redhat.com, david.marchand@redhat.com
Cc: Maxime Coquelin <maxime.coquelin@redhat.com>
Subject: [dpdk-dev] [PATCH 26/40] net/virtio: add Virtio-user protocol features ops
Date: Sun, 20 Dec 2020 22:13:51 +0100 [thread overview]
Message-ID: <20201220211405.313012-27-maxime.coquelin@redhat.com> (raw)
In-Reply-To: <20201220211405.313012-1-maxime.coquelin@redhat.com>
This patch introduce new callbacks for getting
and setting Vhost-user protocol features.
Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com>
---
drivers/net/virtio/virtio_user/vhost.h | 2 +
drivers/net/virtio/virtio_user/vhost_user.c | 64 +++++++++++++++++--
.../net/virtio/virtio_user/virtio_user_dev.c | 17 ++---
drivers/net/virtio/virtio_user_ethdev.c | 14 ++--
4 files changed, 69 insertions(+), 28 deletions(-)
diff --git a/drivers/net/virtio/virtio_user/vhost.h b/drivers/net/virtio/virtio_user/vhost.h
index 16978e27ed..d8c59ab308 100644
--- a/drivers/net/virtio/virtio_user/vhost.h
+++ b/drivers/net/virtio/virtio_user/vhost.h
@@ -104,6 +104,8 @@ struct virtio_user_backend_ops {
int (*set_owner)(struct virtio_user_dev *dev);
int (*get_features)(struct virtio_user_dev *dev, uint64_t *features);
int (*set_features)(struct virtio_user_dev *dev, uint64_t features);
+ int (*get_protocol_features)(struct virtio_user_dev *dev, uint64_t *features);
+ int (*set_protocol_features)(struct virtio_user_dev *dev, uint64_t features);
int (*send_request)(struct virtio_user_dev *dev,
enum vhost_user_request req,
void *arg);
diff --git a/drivers/net/virtio/virtio_user/vhost_user.c b/drivers/net/virtio/virtio_user/vhost_user.c
index d204fa1eb0..5e89b1d72d 100644
--- a/drivers/net/virtio/virtio_user/vhost_user.c
+++ b/drivers/net/virtio/virtio_user/vhost_user.c
@@ -199,6 +199,62 @@ vhost_user_set_features(struct virtio_user_dev *dev, uint64_t features)
return 0;
}
+static int
+vhost_user_get_protocol_features(struct virtio_user_dev *dev, uint64_t *features)
+{
+ int ret;
+ struct vhost_user_msg msg = {
+ .request = VHOST_USER_GET_PROTOCOL_FEATURES,
+ .flags = VHOST_USER_VERSION,
+ };
+
+ ret = vhost_user_write(dev->vhostfd, &msg, NULL, 0);
+ if (ret < 0)
+ goto err;
+
+ ret = vhost_user_read(dev->vhostfd, &msg);
+ if (ret < 0)
+ goto err;
+
+ if (msg.request != VHOST_USER_GET_PROTOCOL_FEATURES) {
+ PMD_DRV_LOG(ERR, "Unexpected request type (%d)", msg.request);
+ goto err;
+ }
+
+ if (msg.size != sizeof(*features)) {
+ PMD_DRV_LOG(ERR, "Unexpected payload size (%d)", msg.size);
+ goto err;
+ }
+
+ *features = msg.payload.u64;
+
+ return 0;
+err:
+ PMD_DRV_LOG(ERR, "Failed to get backend protocol features");
+
+ return -1;
+}
+
+static int
+vhost_user_set_protocol_features(struct virtio_user_dev *dev, uint64_t features)
+{
+ int ret;
+ struct vhost_user_msg msg = {
+ .request = VHOST_USER_SET_PROTOCOL_FEATURES,
+ .flags = VHOST_USER_VERSION,
+ .size = sizeof(features),
+ .payload.u64 = features,
+ };
+
+ ret = vhost_user_write(dev->vhostfd, &msg, NULL, 0);
+ if (ret < 0) {
+ PMD_DRV_LOG(ERR, "Failed to set protocol features");
+ return -1;
+ }
+
+ return 0;
+}
+
struct walk_arg {
struct vhost_memory *vm;
int *fds;
@@ -313,8 +369,6 @@ const char * const vhost_msg_strings[] = {
[VHOST_USER_SET_VRING_KICK] = "VHOST_SET_VRING_KICK",
[VHOST_USER_SET_MEM_TABLE] = "VHOST_SET_MEM_TABLE",
[VHOST_USER_SET_VRING_ENABLE] = "VHOST_SET_VRING_ENABLE",
- [VHOST_USER_GET_PROTOCOL_FEATURES] = "VHOST_USER_GET_PROTOCOL_FEATURES",
- [VHOST_USER_SET_PROTOCOL_FEATURES] = "VHOST_USER_SET_PROTOCOL_FEATURES",
[VHOST_USER_SET_STATUS] = "VHOST_SET_STATUS",
[VHOST_USER_GET_STATUS] = "VHOST_GET_STATUS",
};
@@ -352,8 +406,6 @@ vhost_user_sock(struct virtio_user_dev *dev,
(!(dev->protocol_features &
(1ULL << VHOST_USER_PROTOCOL_F_STATUS))))
return -ENOTSUP;
- /* Fallthrough */
- case VHOST_USER_GET_PROTOCOL_FEATURES:
need_reply = 1;
break;
@@ -366,7 +418,6 @@ vhost_user_sock(struct virtio_user_dev *dev,
if (has_reply_ack)
msg.flags |= VHOST_USER_NEED_REPLY_MASK;
/* Fallthrough */
- case VHOST_USER_SET_PROTOCOL_FEATURES:
case VHOST_USER_SET_LOG_BASE:
msg.payload.u64 = *((__u64 *)arg);
msg.size = sizeof(m.payload.u64);
@@ -446,7 +497,6 @@ vhost_user_sock(struct virtio_user_dev *dev,
switch (req) {
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");
return -1;
@@ -584,6 +634,8 @@ struct virtio_user_backend_ops virtio_ops_user = {
.set_owner = vhost_user_set_owner,
.get_features = vhost_user_get_features,
.set_features = vhost_user_set_features,
+ .get_protocol_features = vhost_user_get_protocol_features,
+ .set_protocol_features = vhost_user_set_protocol_features,
.send_request = vhost_user_sock,
.enable_qp = vhost_user_enable_queue_pair
};
diff --git a/drivers/net/virtio/virtio_user/virtio_user_dev.c b/drivers/net/virtio/virtio_user/virtio_user_dev.c
index 0a85d058a8..6bb61b3e89 100644
--- a/drivers/net/virtio/virtio_user/virtio_user_dev.c
+++ b/drivers/net/virtio/virtio_user/virtio_user_dev.c
@@ -495,24 +495,17 @@ virtio_user_dev_init(struct virtio_user_dev *dev, char *path, int queues,
}
- if (dev->device_features &
- (1ULL << VHOST_USER_F_PROTOCOL_FEATURES)) {
- if (dev->ops->send_request(dev,
- VHOST_USER_GET_PROTOCOL_FEATURES,
- &protocol_features))
+ if (dev->device_features & (1ULL << VHOST_USER_F_PROTOCOL_FEATURES)) {
+ if (dev->ops->get_protocol_features(dev, &protocol_features))
return -1;
dev->protocol_features &= protocol_features;
- if (dev->ops->send_request(dev,
- VHOST_USER_SET_PROTOCOL_FEATURES,
- &dev->protocol_features))
+ if (dev->ops->set_protocol_features(dev, dev->protocol_features))
return -1;
- if (!(dev->protocol_features &
- (1ULL << VHOST_USER_PROTOCOL_F_MQ)))
- dev->unsupported_features |=
- (1ull << VIRTIO_NET_F_MQ);
+ if (!(dev->protocol_features & (1ULL << VHOST_USER_PROTOCOL_F_MQ)))
+ dev->unsupported_features |= (1ull << VIRTIO_NET_F_MQ);
}
} else {
/* We just pretend vhost-user can support all these features.
diff --git a/drivers/net/virtio/virtio_user_ethdev.c b/drivers/net/virtio/virtio_user_ethdev.c
index 4d2635c8aa..c63d010e16 100644
--- a/drivers/net/virtio/virtio_user_ethdev.c
+++ b/drivers/net/virtio/virtio_user_ethdev.c
@@ -93,23 +93,17 @@ virtio_user_server_reconnect(struct virtio_user_dev *dev)
if (dev->device_features &
(1ULL << VHOST_USER_F_PROTOCOL_FEATURES)) {
- if (dev->ops->send_request(dev,
- VHOST_USER_GET_PROTOCOL_FEATURES,
- &protocol_features))
+ if (dev->ops->get_protocol_features(dev, &protocol_features))
return -1;
/* Offer VHOST_USER_PROTOCOL_F_STATUS */
- dev->protocol_features |=
- (1ULL << VHOST_USER_PROTOCOL_F_STATUS);
+ dev->protocol_features |= (1ULL << VHOST_USER_PROTOCOL_F_STATUS);
dev->protocol_features &= protocol_features;
- if (dev->ops->send_request(dev,
- VHOST_USER_SET_PROTOCOL_FEATURES,
- &dev->protocol_features))
+ if (dev->ops->set_protocol_features(dev, dev->protocol_features))
return -1;
- if (!(dev->protocol_features &
- (1ULL << VHOST_USER_PROTOCOL_F_MQ)))
+ if (!(dev->protocol_features & (1ULL << VHOST_USER_PROTOCOL_F_MQ)))
dev->unsupported_features |= (1ull << VIRTIO_NET_F_MQ);
}
--
2.29.2
next prev parent reply other threads:[~2020-12-20 21:22 UTC|newest]
Thread overview: 149+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-20 21:13 [dpdk-dev] [PATCH 00/40] net/virtio: Virtio PMD rework Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 01/40] bus/vdev: add helper to get vdev from eth dev Maxime Coquelin
2020-12-30 3:02 ` Xia, Chenbo
2021-01-05 21:15 ` David Marchand
2020-12-20 21:13 ` [dpdk-dev] [PATCH 02/40] net/virtio: Introduce Virtio bus type Maxime Coquelin
2020-12-30 3:02 ` Xia, Chenbo
2021-01-05 21:15 ` David Marchand
2021-01-14 9:24 ` Maxime Coquelin
2021-01-14 10:54 ` Maxime Coquelin
2021-01-14 11:55 ` David Marchand
2020-12-20 21:13 ` [dpdk-dev] [PATCH 03/40] net/virtio: refactor virtio-user device Maxime Coquelin
2020-12-30 3:02 ` Xia, Chenbo
2021-01-05 21:16 ` David Marchand
2021-01-14 9:26 ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 04/40] net/virtio: introduce PCI device metadata Maxime Coquelin
2020-12-30 3:02 ` Xia, Chenbo
2021-01-05 21:16 ` David Marchand
2021-01-14 11:05 ` Maxime Coquelin
2021-01-14 14:40 ` David Marchand
2021-01-14 14:44 ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 05/40] net/virtio: move PCI device init in dedicated file Maxime Coquelin
2020-12-30 3:02 ` Xia, Chenbo
2021-01-05 21:19 ` David Marchand
2021-01-14 16:04 ` Maxime Coquelin
2021-01-14 16:14 ` David Marchand
2020-12-20 21:13 ` [dpdk-dev] [PATCH 06/40] net/virtio: move PCI specific dev init to PCI ethdev init Maxime Coquelin
2020-12-30 3:05 ` Xia, Chenbo
2021-01-06 8:58 ` David Marchand
2020-12-20 21:13 ` [dpdk-dev] [PATCH 07/40] net/virtio: move MSIX detection to PCI ethdev Maxime Coquelin
2020-12-30 3:05 ` Xia, Chenbo
2021-01-06 8:22 ` David Marchand
2021-01-14 17:19 ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 08/40] net/virtio: force IOVA as VA mode for Virtio-user Maxime Coquelin
2020-12-30 3:06 ` Xia, Chenbo
2021-01-06 9:06 ` David Marchand
2021-01-06 9:11 ` Thomas Monjalon
2021-01-06 9:22 ` Maxime Coquelin
2021-01-06 16:37 ` Kinsella, Ray
2021-01-06 9:14 ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 09/40] net/virtio: store PCI type in Virtio device metadata Maxime Coquelin
2020-12-30 3:07 ` Xia, Chenbo
2021-01-06 9:14 ` David Marchand
2020-12-20 21:13 ` [dpdk-dev] [PATCH 10/40] net/virtio: add callback for device closing Maxime Coquelin
2020-12-30 3:07 ` Xia, Chenbo
2021-01-06 9:33 ` David Marchand
2020-12-20 21:13 ` [dpdk-dev] [PATCH 11/40] net/virtio: validate features at bus level Maxime Coquelin
2020-12-30 3:08 ` Xia, Chenbo
2021-01-06 9:33 ` David Marchand
2021-01-15 9:20 ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 12/40] net/virtio: remove bus type enum Maxime Coquelin
2020-12-30 3:08 ` Xia, Chenbo
2021-01-06 9:33 ` David Marchand
2020-12-20 21:13 ` [dpdk-dev] [PATCH 13/40] net/virtio: move PCI-specific fields to PCI device Maxime Coquelin
2020-12-30 3:08 ` Xia, Chenbo
2021-01-06 9:58 ` David Marchand
2020-12-20 21:13 ` [dpdk-dev] [PATCH 14/40] net/virtio: pack virtio HW struct Maxime Coquelin
2020-12-30 3:09 ` Xia, Chenbo
2021-01-06 9:58 ` David Marchand
2021-01-15 9:35 ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 15/40] net/virtio: move legacy IO to Virtio PCI Maxime Coquelin
2020-12-30 3:09 ` Xia, Chenbo
2021-01-06 10:09 ` David Marchand
2020-12-20 21:13 ` [dpdk-dev] [PATCH 16/40] net/virtio: introduce generic virtio header Maxime Coquelin
2020-12-30 3:09 ` Xia, Chenbo
2021-01-06 10:08 ` David Marchand
2021-01-15 9:39 ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 17/40] net/virtio: move features definition to generic header Maxime Coquelin
2020-12-30 3:14 ` Xia, Chenbo
2021-01-14 8:40 ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 18/40] net/virtio: move virtqueue defines in " Maxime Coquelin
2020-12-30 3:14 ` Xia, Chenbo
2021-01-06 15:53 ` David Marchand
2021-01-15 10:55 ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 19/40] net/virtio: move config definitions to " Maxime Coquelin
2020-12-30 3:15 ` Xia, Chenbo
2021-01-06 16:01 ` David Marchand
2021-01-15 11:01 ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 20/40] net/virtio: make interrupt handling more generic Maxime Coquelin
2020-12-30 3:17 ` Xia, Chenbo
2021-01-14 8:43 ` Maxime Coquelin
2021-01-06 16:07 ` David Marchand
2020-12-20 21:13 ` [dpdk-dev] [PATCH 21/40] net/virtio: move vring alignment to generic header Maxime Coquelin
2020-12-30 3:18 ` Xia, Chenbo
2021-01-06 16:13 ` David Marchand
2020-12-20 21:13 ` [dpdk-dev] [PATCH 22/40] net/virtio: remove last PCI refs in non-PCI code Maxime Coquelin
2020-12-30 3:25 ` Xia, Chenbo
2021-01-14 8:46 ` Maxime Coquelin
2021-01-06 16:18 ` David Marchand
2021-01-15 11:10 ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 23/40] net/virtio: make Vhost-user req sender consistent Maxime Coquelin
2021-01-06 11:50 ` Xia, Chenbo
2021-01-15 9:47 ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 24/40] net/virtio: add Virtio-user ops to set owner Maxime Coquelin
2021-01-06 11:50 ` Xia, Chenbo
2020-12-20 21:13 ` [dpdk-dev] [PATCH 25/40] net/virtio: add Virtio-user features ops Maxime Coquelin
2021-01-06 11:54 ` Xia, Chenbo
2021-01-13 13:43 ` Adrian Moreno
2021-01-13 13:54 ` Maxime Coquelin
2021-01-15 14:19 ` Maxime Coquelin
2021-01-13 13:57 ` Adrian Moreno
2021-01-15 14:29 ` Maxime Coquelin
2020-12-20 21:13 ` Maxime Coquelin [this message]
2021-01-06 11:55 ` [dpdk-dev] [PATCH 26/40] net/virtio: add Virtio-user protocol " Xia, Chenbo
2020-12-20 21:13 ` [dpdk-dev] [PATCH 27/40] net/virtio: add Virtio-user memory tables ops Maxime Coquelin
2021-01-06 11:57 ` Xia, Chenbo
2021-01-15 9:57 ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 28/40] net/virtio: add Virtio-user vring setting ops Maxime Coquelin
2021-01-05 21:24 ` David Marchand
2021-01-06 12:01 ` Xia, Chenbo
2021-01-15 10:12 ` Maxime Coquelin
2021-01-06 12:03 ` Xia, Chenbo
2021-01-15 10:15 ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 29/40] net/virtio: add Virtio-user vring file ops Maxime Coquelin
2021-01-05 21:24 ` David Marchand
2021-01-06 12:04 ` Xia, Chenbo
2021-01-15 10:17 ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 30/40] net/virtio: add Virtio-user vring address ops Maxime Coquelin
2021-01-06 12:06 ` Xia, Chenbo
2021-01-15 10:19 ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 31/40] net/virtio: add Virtio-user status ops Maxime Coquelin
2021-01-06 12:09 ` Xia, Chenbo
2021-01-15 10:48 ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 32/40] net/virtio: remove useless request ops Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 33/40] net/virtio: improve Virtio-user errors handling Maxime Coquelin
2021-01-07 2:26 ` Xia, Chenbo
2021-01-15 11:09 ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 34/40] net/virtio: move Vhost-user reqs to Vhost-user backend Maxime Coquelin
2020-12-20 21:14 ` [dpdk-dev] [PATCH 35/40] net/virtio: make server mode blocking Maxime Coquelin
2021-01-07 3:20 ` Xia, Chenbo
2021-01-15 11:13 ` Maxime Coquelin
2020-12-20 21:14 ` [dpdk-dev] [PATCH 36/40] net/virtio: move protocol features to Vhost-user Maxime Coquelin
2020-12-20 21:14 ` [dpdk-dev] [PATCH 37/40] net/virtio: introduce backend data Maxime Coquelin
2021-01-05 21:26 ` David Marchand
2021-01-13 17:18 ` Adrian Moreno
2021-01-15 16:49 ` Maxime Coquelin
2020-12-20 21:14 ` [dpdk-dev] [PATCH 38/40] net/virtio: move Vhost-user specifics to its backend Maxime Coquelin
2021-01-07 6:32 ` Xia, Chenbo
2021-01-15 12:03 ` Maxime Coquelin
2020-12-20 21:14 ` [dpdk-dev] [PATCH 39/40] net/virtio: move Vhost-kernel data " Maxime Coquelin
2021-01-07 6:42 ` Xia, Chenbo
2021-01-11 8:02 ` Xia, Chenbo
2021-01-15 11:54 ` Maxime Coquelin
2021-01-18 20:36 ` Maxime Coquelin
2020-12-20 21:14 ` [dpdk-dev] [PATCH 40/40] net/virtio: move Vhost-vDPA " Maxime Coquelin
2020-12-22 15:20 ` Maxime Coquelin
2021-01-07 6:50 ` Xia, Chenbo
2021-01-15 12:08 ` Maxime Coquelin
2021-01-11 8:05 ` Xia, Chenbo
2020-12-21 10:58 ` [dpdk-dev] [PATCH 00/40] net/virtio: Virtio PMD rework Maxime Coquelin
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