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[Qemu-devel] [PATCH RFC 09/14] vhost-user: add vhost_user to hold the ch
From: |
marcandre . lureau |
Subject: |
[Qemu-devel] [PATCH RFC 09/14] vhost-user: add vhost_user to hold the chr |
Date: |
Wed, 9 Sep 2015 01:10:01 +0200 |
From: Marc-André Lureau <address@hidden>
Next patches will add more fields to the structure
Signed-off-by: Marc-André Lureau <address@hidden>
---
hw/virtio/vhost-user.c | 19 ++++++++++++++++---
1 file changed, 16 insertions(+), 3 deletions(-)
diff --git a/hw/virtio/vhost-user.c b/hw/virtio/vhost-user.c
index b2f46a9..2875b69 100644
--- a/hw/virtio/vhost-user.c
+++ b/hw/virtio/vhost-user.c
@@ -91,6 +91,10 @@ static VhostUserMsg m __attribute__ ((unused));
/* The version of the protocol we support */
#define VHOST_USER_VERSION (0x1)
+struct vhost_user {
+ CharDriverState *chr;
+};
+
static bool ioeventfd_enabled(void)
{
return kvm_enabled() && kvm_eventfds_enabled();
@@ -134,7 +138,8 @@ static VhostUserRequest
vhost_user_request_translate(unsigned long int request)
static int vhost_user_read(struct vhost_dev *dev, VhostUserMsg *msg)
{
- CharDriverState *chr = dev->opaque;
+ struct vhost_user *u = dev->opaque;
+ CharDriverState *chr = u->chr;
uint8_t *p = (uint8_t *) msg;
int r, size = VHOST_USER_HDR_SIZE;
@@ -181,7 +186,8 @@ fail:
static int vhost_user_write(struct vhost_dev *dev, VhostUserMsg *msg,
int *fds, int fd_num)
{
- CharDriverState *chr = dev->opaque;
+ struct vhost_user *u = dev->opaque;
+ CharDriverState *chr = u->chr;
int size = VHOST_USER_HDR_SIZE + msg->size;
if (fd_num) {
@@ -358,11 +364,14 @@ end:
static int vhost_user_init(struct vhost_dev *dev, void *opaque)
{
VhostUserMsg msg = { 0 };
+ struct vhost_user *u;
int err;
assert(dev->vhost_ops->backend_type == VHOST_BACKEND_TYPE_USER);
- dev->opaque = opaque;
+ u = g_new0(struct vhost_user, 1);
+ u->chr = opaque;
+ dev->opaque = u;
msg.request = VHOST_USER_GET_FEATURES;
msg.flags = VHOST_USER_VERSION;
@@ -413,8 +422,12 @@ static int vhost_user_init(struct vhost_dev *dev, void
*opaque)
static int vhost_user_cleanup(struct vhost_dev *dev)
{
+ struct vhost_user *u;
+
assert(dev->vhost_ops->backend_type == VHOST_BACKEND_TYPE_USER);
+ u = dev->opaque;
+ g_free(u);
dev->opaque = 0;
return 0;
--
2.4.3
- [Qemu-devel] [PATCH RFC 00/14] vhost-user: shutdown and reconnection, marcandre . lureau, 2015/09/08
- [Qemu-devel] [PATCH RFC 02/14] vhost-user: remove useless is_server field, marcandre . lureau, 2015/09/08
- [Qemu-devel] [PATCH RFC 01/14] vhost-user: Add ability to know vhost-user backend disconnection, marcandre . lureau, 2015/09/08
- [Qemu-devel] [PATCH RFC 03/14] qemu-char: avoid potential double-free, marcandre . lureau, 2015/09/08
- [Qemu-devel] [PATCH RFC 04/14] qemu-char: remove all msgfds on disconnect, marcandre . lureau, 2015/09/08
- [Qemu-devel] [PATCH RFC 05/14] qemu-char: make tcp_chr_disconnect() reentrant-safe, marcandre . lureau, 2015/09/08
- [Qemu-devel] [PATCH RFC 07/14] virtio-net: enable tx notification if up and vhost started, marcandre . lureau, 2015/09/08
- [Qemu-devel] [PATCH RFC 06/14] vhost-net: keep VIRTIO_NET_F_STATUS for vhost-user, marcandre . lureau, 2015/09/08
- [Qemu-devel] [PATCH RFC 08/14] vhost: add vhost_dev stop callback, marcandre . lureau, 2015/09/08
- [Qemu-devel] [PATCH RFC 09/14] vhost-user: add vhost_user to hold the chr,
marcandre . lureau <=
- [Qemu-devel] [PATCH RFC 10/14] qemu-char: add qemu_chr_free(), marcandre . lureau, 2015/09/08
- [Qemu-devel] [PATCH RFC 12/14] vhost-user: add shutdown support, marcandre . lureau, 2015/09/08
- [Qemu-devel] [PATCH RFC 11/14] vhost-user: add slave-fd support, marcandre . lureau, 2015/09/08
- [Qemu-devel] [PATCH RFC 13/14] qemu-char: Add qemu_chr_disconnect to close a fd accepted by listen fd, marcandre . lureau, 2015/09/08
- [Qemu-devel] [PATCH RFC 14/14] test: start vhost-user reconnect test, marcandre . lureau, 2015/09/08