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 29/40] net/virtio: add Virtio-user vring file ops
Date: Sun, 20 Dec 2020 22:13:54 +0100 [thread overview]
Message-ID: <20201220211405.313012-30-maxime.coquelin@redhat.com> (raw)
In-Reply-To: <20201220211405.313012-1-maxime.coquelin@redhat.com>
This patch introduces new callbacks for setting
vring files (kick and call).
Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com>
---
drivers/net/virtio/virtio_user/vhost.h | 2 +
drivers/net/virtio/virtio_user/vhost_kernel.c | 41 +++++++++++++++--
drivers/net/virtio/virtio_user/vhost_user.c | 46 +++++++++++++++++--
drivers/net/virtio/virtio_user/vhost_vdpa.c | 18 ++++++--
.../net/virtio/virtio_user/virtio_user_dev.c | 4 +-
5 files changed, 97 insertions(+), 14 deletions(-)
diff --git a/drivers/net/virtio/virtio_user/vhost.h b/drivers/net/virtio/virtio_user/vhost.h
index 1385c1563b..b296ee215d 100644
--- a/drivers/net/virtio/virtio_user/vhost.h
+++ b/drivers/net/virtio/virtio_user/vhost.h
@@ -111,6 +111,8 @@ struct virtio_user_backend_ops {
int (*set_vring_num)(struct virtio_user_dev *dev, struct vhost_vring_state *state);
int (*set_vring_base)(struct virtio_user_dev *dev, struct vhost_vring_state *state);
int (*get_vring_base)(struct virtio_user_dev *dev, struct vhost_vring_state *state);
+ int (*set_vring_call)(struct virtio_user_dev *dev, struct vhost_vring_file *file);
+ int (*set_vring_kick)(struct virtio_user_dev *dev, struct vhost_vring_file *file);
int (*send_request)(struct virtio_user_dev *dev,
enum vhost_user_request req,
void *arg);
diff --git a/drivers/net/virtio/virtio_user/vhost_kernel.c b/drivers/net/virtio/virtio_user/vhost_kernel.c
index 2f1b4840ee..1805aee7f7 100644
--- a/drivers/net/virtio/virtio_user/vhost_kernel.c
+++ b/drivers/net/virtio/virtio_user/vhost_kernel.c
@@ -259,11 +259,44 @@ vhost_kernel_get_vring_base(struct virtio_user_dev *dev, struct vhost_vring_stat
return vhost_kernel_set_vring(dev, VHOST_GET_VRING_BASE, state);
}
+static int
+vhost_kernel_set_vring_file(struct virtio_user_dev *dev, uint64_t req,
+ struct vhost_vring_file *file)
+{
+ int ret, fd;
+ uint32_t index = file->index;
+
+ /* Convert from queue index to queue-pair & offset */
+ fd = dev->vhostfds[file->index / 2];
+ file->index %= 2;
+
+ ret = vhost_kernel_ioctl(fd, req, file);
+ if (ret < 0) {
+ PMD_DRV_LOG(ERR, "Failed to set vring file (request %lu)", req);
+ return -1;
+ }
+
+ /* restore index back to queue index */
+ file->index = index;
+
+ return 0;
+}
+
+static int
+vhost_kernel_set_vring_kick(struct virtio_user_dev *dev, struct vhost_vring_file *file)
+{
+ return vhost_kernel_set_vring_file(dev, VHOST_SET_VRING_CALL, file);
+}
+
+static int
+vhost_kernel_set_vring_call(struct virtio_user_dev *dev, struct vhost_vring_file *file)
+{
+ return vhost_kernel_set_vring_file(dev, VHOST_SET_VRING_KICK, file);
+}
+
static uint64_t vhost_req_user_to_kernel[] = {
[VHOST_USER_RESET_OWNER] = VHOST_RESET_OWNER,
- [VHOST_USER_SET_VRING_CALL] = VHOST_SET_VRING_CALL,
[VHOST_USER_SET_VRING_ADDR] = VHOST_SET_VRING_ADDR,
- [VHOST_USER_SET_VRING_KICK] = VHOST_SET_VRING_KICK,
};
static int
@@ -283,8 +316,6 @@ vhost_kernel_send_request(struct virtio_user_dev *dev,
switch (req_kernel) {
case VHOST_SET_VRING_ADDR:
- case VHOST_SET_VRING_KICK:
- case VHOST_SET_VRING_CALL:
queue_sel = *(unsigned int *)arg;
vhostfd = dev->vhostfds[queue_sel / 2];
*(unsigned int *)arg = queue_sel % 2;
@@ -440,6 +471,8 @@ struct virtio_user_backend_ops virtio_ops_kernel = {
.set_vring_num = vhost_kernel_set_vring_num,
.set_vring_base = vhost_kernel_set_vring_base,
.get_vring_base = vhost_kernel_get_vring_base,
+ .set_vring_call = vhost_kernel_set_vring_call,
+ .set_vring_kick = vhost_kernel_set_vring_kick,
.send_request = vhost_kernel_send_request,
.enable_qp = vhost_kernel_enable_queue_pair
};
diff --git a/drivers/net/virtio/virtio_user/vhost_user.c b/drivers/net/virtio/virtio_user/vhost_user.c
index 50a587fab4..509a96dfbc 100644
--- a/drivers/net/virtio/virtio_user/vhost_user.c
+++ b/drivers/net/virtio/virtio_user/vhost_user.c
@@ -483,13 +483,51 @@ vhost_user_get_vring_base(struct virtio_user_dev *dev, struct vhost_vring_state
return -1;
}
+static int
+vhost_user_set_vring_file(struct virtio_user_dev *dev, enum vhost_user_request req,
+ struct vhost_vring_file *file)
+{
+ int ret;
+ int fd = file->fd;
+ int num_fd = 0;
+ struct vhost_user_msg msg = {
+ .request = req,
+ .flags = VHOST_USER_VERSION,
+ .size = sizeof(msg.payload.u64),
+ .payload.u64 = file->index & VHOST_USER_VRING_IDX_MASK,
+ };
+
+ if (fd >= 0)
+ num_fd++;
+ else
+ msg.payload.u64 |= VHOST_USER_VRING_NOFD_MASK;
+
+ ret = vhost_user_write(dev->vhostfd, &msg, &fd, num_fd);
+ if (ret < 0) {
+ PMD_DRV_LOG(ERR, "Failed to set vring file (request %d)", req);
+ return -1;
+ }
+
+ return 0;
+}
+
+static int
+vhost_user_set_vring_call(struct virtio_user_dev *dev, struct vhost_vring_file *file)
+{
+ return vhost_user_set_vring_file(dev, VHOST_USER_SET_VRING_CALL, file);
+}
+
+static int
+vhost_user_set_vring_kick(struct virtio_user_dev *dev, struct vhost_vring_file *file)
+{
+ return vhost_user_set_vring_file(dev, VHOST_USER_SET_VRING_KICK, file);
+}
+
static struct vhost_user_msg m;
const char * const vhost_msg_strings[] = {
[VHOST_USER_RESET_OWNER] = "VHOST_RESET_OWNER",
- [VHOST_USER_SET_VRING_CALL] = "VHOST_SET_VRING_CALL",
[VHOST_USER_SET_VRING_ADDR] = "VHOST_SET_VRING_ADDR",
- [VHOST_USER_SET_VRING_KICK] = "VHOST_SET_VRING_KICK",
[VHOST_USER_SET_STATUS] = "VHOST_SET_STATUS",
[VHOST_USER_GET_STATUS] = "VHOST_GET_STATUS",
};
@@ -556,8 +594,6 @@ vhost_user_sock(struct virtio_user_dev *dev,
msg.size = sizeof(m.payload.addr);
break;
- case VHOST_USER_SET_VRING_KICK:
- case VHOST_USER_SET_VRING_CALL:
case VHOST_USER_SET_VRING_ERR:
file = arg;
msg.payload.u64 = file->index & VHOST_USER_VRING_IDX_MASK;
@@ -729,6 +765,8 @@ struct virtio_user_backend_ops virtio_ops_user = {
.set_vring_num = vhost_user_set_vring_num,
.set_vring_base = vhost_user_set_vring_base,
.get_vring_base = vhost_user_get_vring_base,
+ .set_vring_call = vhost_user_set_vring_call,
+ .set_vring_kick = vhost_user_set_vring_kick,
.send_request = vhost_user_sock,
.enable_qp = vhost_user_enable_queue_pair
};
diff --git a/drivers/net/virtio/virtio_user/vhost_vdpa.c b/drivers/net/virtio/virtio_user/vhost_vdpa.c
index c1b790ddc6..48fe3f23e8 100644
--- a/drivers/net/virtio/virtio_user/vhost_vdpa.c
+++ b/drivers/net/virtio/virtio_user/vhost_vdpa.c
@@ -36,9 +36,7 @@
static uint64_t vhost_req_user_to_vdpa[] = {
[VHOST_USER_RESET_OWNER] = VHOST_RESET_OWNER,
- [VHOST_USER_SET_VRING_CALL] = VHOST_SET_VRING_CALL,
[VHOST_USER_SET_VRING_ADDR] = VHOST_SET_VRING_ADDR,
- [VHOST_USER_SET_VRING_KICK] = VHOST_SET_VRING_KICK,
[VHOST_USER_SET_STATUS] = VHOST_VDPA_SET_STATUS,
[VHOST_USER_GET_STATUS] = VHOST_VDPA_GET_STATUS,
};
@@ -238,6 +236,18 @@ vhost_vdpa_get_vring_base(struct virtio_user_dev *dev, struct vhost_vring_state
return vhost_vdpa_ioctl(dev->vhostfd, VHOST_GET_VRING_BASE, state);
}
+static int
+vhost_vdpa_set_vring_call(struct virtio_user_dev *dev, struct vhost_vring_file *file)
+{
+ return vhost_vdpa_ioctl(dev->vhostfd, VHOST_SET_VRING_CALL, file);
+}
+
+static int
+vhost_vdpa_set_vring_kick(struct virtio_user_dev *dev, struct vhost_vring_file *file)
+{
+ return vhost_vdpa_ioctl(dev->vhostfd, VHOST_SET_VRING_KICK, file);
+}
+
/* with below features, vhost vdpa does not need to do the checksum and TSO,
* these info will be passed to virtio_user through virtio net header.
*/
@@ -267,8 +277,6 @@ vhost_vdpa_send_request(struct virtio_user_dev *dev,
switch (req_vdpa) {
case VHOST_SET_VRING_ADDR:
- case VHOST_SET_VRING_KICK:
- case VHOST_SET_VRING_CALL:
PMD_DRV_LOG(DEBUG, "vhostfd=%d, index=%u",
dev->vhostfd, *(unsigned int *)arg);
break;
@@ -347,6 +355,8 @@ struct virtio_user_backend_ops virtio_ops_vdpa = {
.set_vring_num = vhost_vdpa_set_vring_num,
.set_vring_base = vhost_vdpa_set_vring_base,
.get_vring_base = vhost_vdpa_get_vring_base,
+ .set_vring_call = vhost_vdpa_set_vring_call,
+ .set_vring_kick = vhost_vdpa_set_vring_kick,
.send_request = vhost_vdpa_send_request,
.enable_qp = vhost_vdpa_enable_queue_pair,
.dma_map = vhost_vdpa_dma_map,
diff --git a/drivers/net/virtio/virtio_user/virtio_user_dev.c b/drivers/net/virtio/virtio_user/virtio_user_dev.c
index 496a48ee51..e4975838ea 100644
--- a/drivers/net/virtio/virtio_user/virtio_user_dev.c
+++ b/drivers/net/virtio/virtio_user/virtio_user_dev.c
@@ -40,7 +40,7 @@ virtio_user_create_queue(struct virtio_user_dev *dev, uint32_t queue_sel)
file.index = queue_sel;
file.fd = dev->callfds[queue_sel];
- dev->ops->send_request(dev, VHOST_USER_SET_VRING_CALL, &file);
+ dev->ops->set_vring_call(dev, &file);
return 0;
}
@@ -89,7 +89,7 @@ virtio_user_kick_queue(struct virtio_user_dev *dev, uint32_t queue_sel)
*/
file.index = queue_sel;
file.fd = dev->kickfds[queue_sel];
- dev->ops->send_request(dev, VHOST_USER_SET_VRING_KICK, &file);
+ dev->ops->set_vring_kick(dev, &file);
return 0;
}
--
2.29.2
next prev parent reply other threads:[~2020-12-20 21:23 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 ` [dpdk-dev] [PATCH 26/40] net/virtio: add Virtio-user protocol " Maxime Coquelin
2021-01-06 11:55 ` 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 ` Maxime Coquelin [this message]
2021-01-05 21:24 ` [dpdk-dev] [PATCH 29/40] net/virtio: add Virtio-user vring file ops 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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