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Re: [Qemu-devel] [PATCH 1/3] Revert "vhost: rename VHOST_RESET_OWNER to
From: |
Michael S. Tsirkin |
Subject: |
Re: [Qemu-devel] [PATCH 1/3] Revert "vhost: rename VHOST_RESET_OWNER to VHOST_RESET_DEVICE" |
Date: |
Fri, 16 Oct 2015 10:21:40 +0300 |
On Fri, Oct 16, 2015 at 03:18:59PM +0800, Yuanhan Liu wrote:
> This reverts commit d1f8b30ec8dde0318fd1b98d24a64926feae9625.
>
> It turned out that it breaks stuff, so revert it:
>
> http://lists.nongnu.org/archive/html/qemu-devel/2015-10/msg00949.html
>
> CC: "Michael S. Tsirkin" <address@hidden>
> Reported-by: Paolo Bonzini <address@hidden>
> Signed-off-by: Yuanhan Liu <address@hidden>
OK but that's not enough. We need to also
- drop patch sending this on stop
- send VHOST_USER_SET_VRING_ENABLE on stop and start instead
> ---
> docs/specs/vhost-user.txt | 4 ++--
> hw/net/vhost_net.c | 2 +-
> hw/virtio/vhost-user.c | 8 ++++----
> linux-headers/linux/vhost.h | 2 +-
> tests/vhost-user-test.c | 2 +-
> 5 files changed, 9 insertions(+), 9 deletions(-)
>
> diff --git a/docs/specs/vhost-user.txt b/docs/specs/vhost-user.txt
> index 4eadad1..4bcd17d 100644
> --- a/docs/specs/vhost-user.txt
> +++ b/docs/specs/vhost-user.txt
> @@ -211,10 +211,10 @@ Message types
> as an owner of the session. This can be used on the Slave as a
> "session start" flag.
>
> - * VHOST_USER_RESET_DEVICE
> + * VHOST_USER_RESET_OWNER
>
> Id: 4
> - Equivalent ioctl: VHOST_RESET_DEVICE
> + Equivalent ioctl: VHOST_RESET_OWNER
> Master payload: N/A
>
> Issued when a new connection is about to be closed. The Master will no
> diff --git a/hw/net/vhost_net.c b/hw/net/vhost_net.c
> index 2bce891..804f5c9 100644
> --- a/hw/net/vhost_net.c
> +++ b/hw/net/vhost_net.c
> @@ -296,7 +296,7 @@ static void vhost_net_stop_one(struct vhost_net *net,
> } else if (net->nc->info->type == NET_CLIENT_OPTIONS_KIND_VHOST_USER) {
> for (file.index = 0; file.index < net->dev.nvqs; ++file.index) {
> const VhostOps *vhost_ops = net->dev.vhost_ops;
> - int r = vhost_ops->vhost_call(&net->dev, VHOST_RESET_DEVICE,
> + int r = vhost_ops->vhost_call(&net->dev, VHOST_RESET_OWNER,
> NULL);
> assert(r >= 0);
> }
> diff --git a/hw/virtio/vhost-user.c b/hw/virtio/vhost-user.c
> index b11c0d2..12a9104 100644
> --- a/hw/virtio/vhost-user.c
> +++ b/hw/virtio/vhost-user.c
> @@ -34,7 +34,7 @@ typedef enum VhostUserRequest {
> VHOST_USER_GET_FEATURES = 1,
> VHOST_USER_SET_FEATURES = 2,
> VHOST_USER_SET_OWNER = 3,
> - VHOST_USER_RESET_DEVICE = 4,
> + VHOST_USER_RESET_OWNER = 4,
> VHOST_USER_SET_MEM_TABLE = 5,
> VHOST_USER_SET_LOG_BASE = 6,
> VHOST_USER_SET_LOG_FD = 7,
> @@ -102,7 +102,7 @@ static unsigned long int
> ioctl_to_vhost_user_request[VHOST_USER_MAX] = {
> VHOST_GET_FEATURES, /* VHOST_USER_GET_FEATURES */
> VHOST_SET_FEATURES, /* VHOST_USER_SET_FEATURES */
> VHOST_SET_OWNER, /* VHOST_USER_SET_OWNER */
> - VHOST_RESET_DEVICE, /* VHOST_USER_RESET_DEVICE */
> + VHOST_RESET_OWNER, /* VHOST_USER_RESET_OWNER */
> VHOST_SET_MEM_TABLE, /* VHOST_USER_SET_MEM_TABLE */
> VHOST_SET_LOG_BASE, /* VHOST_USER_SET_LOG_BASE */
> VHOST_SET_LOG_FD, /* VHOST_USER_SET_LOG_FD */
> @@ -192,7 +192,7 @@ static bool vhost_user_one_time_request(VhostUserRequest
> request)
> {
> switch (request) {
> case VHOST_USER_SET_OWNER:
> - case VHOST_USER_RESET_DEVICE:
> + case VHOST_USER_RESET_OWNER:
> case VHOST_USER_SET_MEM_TABLE:
> case VHOST_USER_GET_QUEUE_NUM:
> return true;
> @@ -249,7 +249,7 @@ static int vhost_user_call(struct vhost_dev *dev,
> unsigned long int request,
> break;
>
> case VHOST_USER_SET_OWNER:
> - case VHOST_USER_RESET_DEVICE:
> + case VHOST_USER_RESET_OWNER:
> break;
>
> case VHOST_USER_SET_MEM_TABLE:
> diff --git a/linux-headers/linux/vhost.h b/linux-headers/linux/vhost.h
> index 14a0160..ead86db 100644
> --- a/linux-headers/linux/vhost.h
> +++ b/linux-headers/linux/vhost.h
> @@ -78,7 +78,7 @@ struct vhost_memory {
> #define VHOST_SET_OWNER _IO(VHOST_VIRTIO, 0x01)
> /* Give up ownership, and reset the device to default values.
> * Allows subsequent call to VHOST_OWNER_SET to succeed. */
> -#define VHOST_RESET_DEVICE _IO(VHOST_VIRTIO, 0x02)
> +#define VHOST_RESET_OWNER _IO(VHOST_VIRTIO, 0x02)
>
> /* Set up/modify memory layout */
> #define VHOST_SET_MEM_TABLE _IOW(VHOST_VIRTIO, 0x03, struct vhost_memory)
> diff --git a/tests/vhost-user-test.c b/tests/vhost-user-test.c
> index 56df5cc..f181391 100644
> --- a/tests/vhost-user-test.c
> +++ b/tests/vhost-user-test.c
> @@ -53,7 +53,7 @@ typedef enum VhostUserRequest {
> VHOST_USER_GET_FEATURES = 1,
> VHOST_USER_SET_FEATURES = 2,
> VHOST_USER_SET_OWNER = 3,
> - VHOST_USER_RESET_DEVICE = 4,
> + VHOST_USER_RESET_OWNER = 4,
> VHOST_USER_SET_MEM_TABLE = 5,
> VHOST_USER_SET_LOG_BASE = 6,
> VHOST_USER_SET_LOG_FD = 7,
> --
> 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
- [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 <=
- 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
- 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