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[Qemu-devel] [PATCH v1 22/37] vhost-pci-slave/msg: VHOST_USER_SET_VRING_
From: |
Wei Wang |
Subject: |
[Qemu-devel] [PATCH v1 22/37] vhost-pci-slave/msg: VHOST_USER_SET_VRING_ENABLE |
Date: |
Sat, 17 Dec 2016 18:43:32 +0800 |
Enable/Disable the corresponding virtqueue pairs in the list.
Signed-off-by: Wei Wang <address@hidden>
---
hw/virtio/vhost-pci-slave.c | 15 +++++++++++++++
include/hw/virtio/vhost-pci-slave.h | 1 +
2 files changed, 16 insertions(+)
diff --git a/hw/virtio/vhost-pci-slave.c b/hw/virtio/vhost-pci-slave.c
index e176d59..3e00e35 100644
--- a/hw/virtio/vhost-pci-slave.c
+++ b/hw/virtio/vhost-pci-slave.c
@@ -238,6 +238,18 @@ static void vp_slave_set_vring_call(int fd)
pvq_node->callfd = fd;
}
+static void vp_slave_set_vring_enable(VhostUserMsg *msg)
+{
+ struct vhost_vring_state *state = &msg->payload.state;
+ PeerVqNode *pvq_node;
+ QLIST_FOREACH(pvq_node, &vp_slave->pvq_list, node) {
+ if (pvq_node->vring_num == state->index) {
+ pvq_node->enabled = (int)state->num;
+ break;
+ }
+ }
+}
+
static int vp_slave_can_read(void *opaque)
{
return VHOST_USER_HDR_SIZE;
@@ -332,6 +344,9 @@ static void vp_slave_read(void *opaque, const uint8_t *buf,
int size)
*/
qemu_set_nonblock(fds[0]);
break;
+ case VHOST_USER_SET_VRING_ENABLE:
+ vp_slave_set_vring_enable(&msg);
+ break;
default:
error_report("vhost-pci-slave does not support msg request = %d",
msg.request);
diff --git a/include/hw/virtio/vhost-pci-slave.h
b/include/hw/virtio/vhost-pci-slave.h
index f6206a1..3e0f4c7 100644
--- a/include/hw/virtio/vhost-pci-slave.h
+++ b/include/hw/virtio/vhost-pci-slave.h
@@ -12,6 +12,7 @@ typedef struct PeerVqNode {
uint32_t vring_num;
int kickfd;
int callfd;
+ int enabled;
struct vhost_vring_addr addr;
QLIST_ENTRY(PeerVqNode) node;
} PeerVqNode;
--
2.7.4
- [Qemu-devel] [PATCH v1 12/37] vhost-pci-slave/msg: VHOST_USER_SET_DEVICE_ID, (continued)
- [Qemu-devel] [PATCH v1 12/37] vhost-pci-slave/msg: VHOST_USER_SET_DEVICE_ID, Wei Wang, 2016/12/17
- [Qemu-devel] [PATCH v1 14/37] vhost-pci-slave/msg: VHOST_USER_SET_OWNER, Wei Wang, 2016/12/17
- [Qemu-devel] [PATCH v1 13/37] vhost-pci-slave/msg: VHOST_USER_GET_QUEUE_NUM, Wei Wang, 2016/12/17
- [Qemu-devel] [PATCH v1 15/37] vhost-pci-slave/msg: VHOST_USER_SET_MEM_TABLE, Wei Wang, 2016/12/17
- [Qemu-devel] [PATCH v1 17/37] vhost-pci-slave/msg: VHOST_USER_SET_VRING_BASE, Wei Wang, 2016/12/17
- [Qemu-devel] [PATCH v1 16/37] vhost-pci-slave/msg: VHOST_USER_SET_VRING_NUM, Wei Wang, 2016/12/17
- [Qemu-devel] [PATCH v1 19/37] vhost-pci-slave/msg: VHOST_USER_SET_VRING_ADDR, Wei Wang, 2016/12/17
- [Qemu-devel] [PATCH v1 18/37] vhost-user: send guest physical address of virtqueues to the slave, Wei Wang, 2016/12/17
- [Qemu-devel] [PATCH v1 20/37] vhost-pci-slave/msg: VHOST_USER_SET_VRING_KICK, Wei Wang, 2016/12/17
- [Qemu-devel] [PATCH v1 21/37] vhost-pci-slave/msg: VHOST_USER_SET_VRING_CALL, Wei Wang, 2016/12/17
- [Qemu-devel] [PATCH v1 22/37] vhost-pci-slave/msg: VHOST_USER_SET_VRING_ENABLE,
Wei Wang <=
- [Qemu-devel] [PATCH v1 24/37] vhost-pci-slave/msg: VHOST_USER_SET_LOG_FD, Wei Wang, 2016/12/17
- [Qemu-devel] [PATCH v1 23/37] vhost-pci-slave/msg: VHOST_USER_SET_LOG_BASE, Wei Wang, 2016/12/17
- [Qemu-devel] [PATCH v1 25/37] vhost-pci-slave/msg: VHOST_USER_SEND_RARP, Wei Wang, 2016/12/17
- [Qemu-devel] [PATCH v1 26/37] vhost-pci-slave/msg: VHOST_USER_GET_VRING_BASE, Wei Wang, 2016/12/17
- [Qemu-devel] [PATCH v1 27/37] vhost-pci-net: pass the info collected by vp_slave to the device, Wei Wang, 2016/12/17
- [Qemu-devel] [PATCH v1 30/37] vhost-pci-slave/msg: VHOST_USER_SET_VHOST_PCI (stop), Wei Wang, 2016/12/17
- [Qemu-devel] [PATCH v1 28/37] vhost-pci-net: pass the mem and vring info to the driver, Wei Wang, 2016/12/17
- [Qemu-devel] [PATCH v1 29/37] vhost-pci-slave/msg: VHOST_USER_SET_VHOST_PCI (start), Wei Wang, 2016/12/17
- [Qemu-devel] [PATCH v1 31/37] vhost-user/msg: send VHOST_USER_SET_VHOST_PCI (start/stop), Wei Wang, 2016/12/17
- [Qemu-devel] [PATCH v1 33/37] vhost-pci-net: send the negotiated feature bits to the master, Wei Wang, 2016/12/17