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vhost: Pass device path to vhost_dev_init()

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The path to /dev/vhost-net is currently hardcoded in vhost_dev_init().
This needs to be changed so that /dev/vhost-scsi can be used.  Pass in
the device path instead of hardcoding it.

Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Stefan Hajnoczi 2012-08-21 20:52:08 +00:00 committed by Michael S. Tsirkin
parent a96ed02fc7
commit 1241ed94c3
3 changed files with 6 additions and 4 deletions
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5
hw/vhost.c
View file

@ -747,14 +747,15 @@ static void vhost_eventfd_del(MemoryListener *listener,
{
}
int vhost_dev_init(struct vhost_dev *hdev, int devfd, bool force)
int vhost_dev_init(struct vhost_dev *hdev, int devfd, const char *devpath,
bool force)
{
uint64_t features;
int r;
if (devfd >= 0) {
hdev->control = devfd;
} else {
hdev->control = open("/dev/vhost-net", O_RDWR);
hdev->control = open(devpath, O_RDWR);
if (hdev->control < 0) {
return -errno;
}

3
hw/vhost.h
View file

@ -44,7 +44,8 @@ struct vhost_dev {
bool force;
};
int vhost_dev_init(struct vhost_dev *hdev, int devfd, bool force);
int vhost_dev_init(struct vhost_dev *hdev, int devfd, const char *devpath,
bool force);
void vhost_dev_cleanup(struct vhost_dev *hdev);
bool vhost_dev_query(struct vhost_dev *hdev, VirtIODevice *vdev);
int vhost_dev_start(struct vhost_dev *hdev, VirtIODevice *vdev);

2
hw/vhost_net.c
View file

@ -109,7 +109,7 @@ struct vhost_net *vhost_net_init(NetClientState *backend, int devfd,
(1 << VHOST_NET_F_VIRTIO_NET_HDR);
net->backend = r;
r = vhost_dev_init(&net->dev, devfd, force);
r = vhost_dev_init(&net->dev, devfd, "/dev/vhost-net", force);
if (r < 0) {
goto fail;
}