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[Qemu-devel] [RESEND Patch v1 26/37] vhost-pci-slave/msg: VHOST_USER_GET
From: |
Wei Wang |
Subject: |
[Qemu-devel] [RESEND Patch v1 26/37] vhost-pci-slave/msg: VHOST_USER_GET_VRING_BASE |
Date: |
Mon, 19 Dec 2016 13:59:01 +0800 |
Signed-off-by: Wei Wang <address@hidden>
---
hw/virtio/vhost-pci-slave.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/hw/virtio/vhost-pci-slave.c b/hw/virtio/vhost-pci-slave.c
index 2cb84ed..ff9a251 100644
--- a/hw/virtio/vhost-pci-slave.c
+++ b/hw/virtio/vhost-pci-slave.c
@@ -224,6 +224,16 @@ static void vp_slave_set_vring_base(VhostUserMsg *msg)
pvq_node->last_avail_idx = msg->payload.u64;
}
+static int vp_slave_get_vring_base(CharBackend *chr_be, VhostUserMsg *msg)
+{
+ /* send back vring base to qemu */
+ msg->flags |= VHOST_USER_REPLY_MASK;
+ msg->size = sizeof(m.payload.state);
+ msg->payload.state.num = 0;
+
+ return vp_slave_write(chr_be, msg);
+}
+
static void vp_slave_set_vring_addr(VhostUserMsg *msg)
{
PeerVqNode *pvq_node = QLIST_FIRST(&vp_slave->pvq_list);
@@ -330,6 +340,12 @@ static void vp_slave_read(void *opaque, const uint8_t
*buf, int size)
case VHOST_USER_SET_VRING_BASE:
vp_slave_set_vring_base(&msg);
break;
+ case VHOST_USER_GET_VRING_BASE:
+ ret = vp_slave_get_vring_base(chr_be, &msg);
+ if (ret < 0) {
+ goto err_handling;
+ }
+ break;
case VHOST_USER_SET_VRING_ADDR:
vp_slave_set_vring_addr(&msg);
break;
--
2.7.4
- [Qemu-devel] [RESEND Patch v1 16/37] vhost-pci-slave/msg: VHOST_USER_SET_VRING_NUM, (continued)
- [Qemu-devel] [RESEND Patch v1 16/37] vhost-pci-slave/msg: VHOST_USER_SET_VRING_NUM, Wei Wang, 2016/12/19
- [Qemu-devel] [RESEND Patch v1 17/37] vhost-pci-slave/msg: VHOST_USER_SET_VRING_BASE, Wei Wang, 2016/12/19
- [Qemu-devel] [RESEND Patch v1 18/37] vhost-user: send guest physical address of virtqueues to the slave, Wei Wang, 2016/12/19
- [Qemu-devel] [RESEND Patch v1 22/37] vhost-pci-slave/msg: VHOST_USER_SET_VRING_ENABLE, Wei Wang, 2016/12/19
- [Qemu-devel] [RESEND Patch v1 21/37] vhost-pci-slave/msg: VHOST_USER_SET_VRING_CALL, Wei Wang, 2016/12/19
- [Qemu-devel] [RESEND Patch v1 20/37] vhost-pci-slave/msg: VHOST_USER_SET_VRING_KICK, Wei Wang, 2016/12/19
- [Qemu-devel] [RESEND Patch v1 19/37] vhost-pci-slave/msg: VHOST_USER_SET_VRING_ADDR, Wei Wang, 2016/12/19
- [Qemu-devel] [RESEND Patch v1 23/37] vhost-pci-slave/msg: VHOST_USER_SET_LOG_BASE, Wei Wang, 2016/12/19
- [Qemu-devel] [RESEND Patch v1 24/37] vhost-pci-slave/msg: VHOST_USER_SET_LOG_FD, Wei Wang, 2016/12/19
- [Qemu-devel] [RESEND Patch v1 25/37] vhost-pci-slave/msg: VHOST_USER_SEND_RARP, Wei Wang, 2016/12/19
- [Qemu-devel] [RESEND Patch v1 26/37] vhost-pci-slave/msg: VHOST_USER_GET_VRING_BASE,
Wei Wang <=
- [Qemu-devel] [RESEND Patch v1 28/37] vhost-pci-net: pass the mem and vring info to the driver, Wei Wang, 2016/12/19
- [Qemu-devel] [RESEND Patch v1 27/37] vhost-pci-net: pass the info collected by vp_slave to the device, Wei Wang, 2016/12/19
- [Qemu-devel] [RESEND Patch v1 29/37] vhost-pci-slave/msg: VHOST_USER_SET_VHOST_PCI (start), Wei Wang, 2016/12/19
- [Qemu-devel] [RESEND Patch v1 30/37] vhost-pci-slave/msg: VHOST_USER_SET_VHOST_PCI (stop), Wei Wang, 2016/12/19
- [Qemu-devel] [RESEND Patch v1 33/37] vhost-pci-net: send the negotiated feature bits to the master, Wei Wang, 2016/12/19
- [Qemu-devel] [RESEND Patch v1 31/37] vhost-user/msg: send VHOST_USER_SET_VHOST_PCI (start/stop), Wei Wang, 2016/12/19
- [Qemu-devel] [RESEND Patch v1 32/37] vhost-user: add asynchronous read for the vhost-user master, Wei Wang, 2016/12/19
- [Qemu-devel] [RESEND Patch v1 34/37] vhost-pci-slave: add "peer_reset", Wei Wang, 2016/12/19
- [Qemu-devel] [RESEND Patch v1 35/37] vhost-pci-net: start the vhost-pci-net device, Wei Wang, 2016/12/19
- [Qemu-devel] [RESEND Patch v1 37/37] vl: enable vhost-pci-slave, Wei Wang, 2016/12/19