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[Qemu-devel] [PATCH 3/3] vhost-user-test: add multiple queue test
From: |
Yuanhan Liu |
Subject: |
[Qemu-devel] [PATCH 3/3] vhost-user-test: add multiple queue test |
Date: |
Fri, 16 Oct 2015 15:19:01 +0800 |
Setting VHOST_USER_PROTOCOL_F_MQ protocol feature bit to claim that we
support MQ feature, and simply assume we support 2 queue pairs at most.
Cc: Michael S. Tsirkin <address@hidden>
Cc: Jason Wang <address@hidden>
Signed-off-by: Yuanhan Liu <address@hidden>
---
tests/vhost-user-test.c | 18 ++++++++++++++++--
1 file changed, 16 insertions(+), 2 deletions(-)
diff --git a/tests/vhost-user-test.c b/tests/vhost-user-test.c
index f181391..f0aa36f 100644
--- a/tests/vhost-user-test.c
+++ b/tests/vhost-user-test.c
@@ -33,7 +33,7 @@
#define QEMU_CMD_MEM " -m 512 -object
memory-backend-file,id=mem,size=512M,"\
"mem-path=%s,share=on -numa node,memdev=mem"
#define QEMU_CMD_CHR " -chardev socket,id=chr0,path=%s"
-#define QEMU_CMD_NETDEV " -netdev vhost-user,id=net0,chardev=chr0,vhostforce"
+#define QEMU_CMD_NETDEV " -netdev
vhost-user,id=net0,chardev=chr0,vhostforce,queues=2"
#define QEMU_CMD_NET " -device virtio-net-pci,netdev=net0 "
#define QEMU_CMD_ROM " -option-rom ../pc-bios/pxe-virtio.rom"
@@ -48,6 +48,8 @@
#define VHOST_USER_F_PROTOCOL_FEATURES 30
+#define VHOST_USER_PROTOCOL_F_MQ 0
+
typedef enum VhostUserRequest {
VHOST_USER_NONE = 0,
VHOST_USER_GET_FEATURES = 1,
@@ -66,6 +68,8 @@ typedef enum VhostUserRequest {
VHOST_USER_SET_VRING_ERR = 14,
VHOST_USER_GET_PROTOCOL_FEATURES = 15,
VHOST_USER_SET_PROTOCOL_FEATURES = 16,
+ VHOST_USER_GET_QUEUE_NUM = 17,
+ VHOST_USER_SET_VRING_ENABLE = 18,
VHOST_USER_MAX
} VhostUserRequest;
@@ -232,7 +236,7 @@ static void chr_read(void *opaque, const uint8_t *buf, int
size)
/* send back features to qemu */
msg.flags |= VHOST_USER_REPLY_MASK;
msg.size = sizeof(m.u64);
- msg.u64 = 0;
+ msg.u64 = (1ULL << VHOST_USER_PROTOCOL_F_MQ);
p = (uint8_t *) &msg;
qemu_chr_fe_write_all(chr, p, VHOST_USER_HDR_SIZE + msg.size);
break;
@@ -266,6 +270,16 @@ static void chr_read(void *opaque, const uint8_t *buf, int
size)
*/
qemu_set_nonblock(fd);
break;
+
+ case VHOST_USER_GET_QUEUE_NUM:
+ /* send back the number of queues we support (let it be 2) to qemu */
+ msg.flags |= VHOST_USER_REPLY_MASK;
+ msg.size = sizeof(m.u64);
+ msg.u64 = 2;
+ p = (uint8_t *) &msg;
+ qemu_chr_fe_write_all(chr, p, VHOST_USER_HDR_SIZE + msg.size);
+ break;
+
default:
break;
}
--
1.9.0