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Re: [Qemu-devel] [PATCH 3/3] vhost-user-test: add multiple queue test
From: |
Michael S. Tsirkin |
Subject: |
Re: [Qemu-devel] [PATCH 3/3] vhost-user-test: add multiple queue test |
Date: |
Fri, 16 Oct 2015 10:20:08 +0300 |
On Fri, Oct 16, 2015 at 03:19:01PM +0800, Yuanhan Liu wrote:
> 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.
Well - let's add a macro, or something?
>
> 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
- [Qemu-devel] [PATCH 1/3] Revert "vhost: rename VHOST_RESET_OWNER to VHOST_RESET_DEVICE", Yuanhan Liu, 2015/10/16
- [Qemu-devel] [PATCH 3/3] vhost-user-test: add multiple queue test, Yuanhan Liu, 2015/10/16
- Re: [Qemu-devel] [PATCH 3/3] vhost-user-test: add multiple queue test,
Michael S. Tsirkin <=
- [Qemu-devel] [PATCH 2/3] doc: vhost-user: request naming fix, Yuanhan Liu, 2015/10/16
- Re: [Qemu-devel] [PATCH 1/3] Revert "vhost: rename VHOST_RESET_OWNER to VHOST_RESET_DEVICE", Michael S. Tsirkin, 2015/10/16
- Re: [Qemu-devel] [PATCH 1/3] Revert "vhost: rename VHOST_RESET_OWNER to VHOST_RESET_DEVICE", Yuanhan Liu, 2015/10/21
- Re: [Qemu-devel] [PATCH 1/3] Revert "vhost: rename VHOST_RESET_OWNER to VHOST_RESET_DEVICE", Michael S. Tsirkin, 2015/10/21