Messages in this thread Patch in this message | | | From | liming.wu@jaguarmi ... | Subject | [PATCH v2 2/2] tools/virtio: Add hints when module is not installed | Date | Sun, 8 Oct 2023 11:17:34 +0800 |
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From: Liming Wu <liming.wu@jaguarmicro.com>
Need to insmod vhost_test.ko before run virtio_test. Give some hints to users.
Signed-off-by: Liming Wu <liming.wu@jaguarmicro.com> --- tools/virtio/virtio_test.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/tools/virtio/virtio_test.c b/tools/virtio/virtio_test.c index 028f54e6854a..13572a677c35 100644 --- a/tools/virtio/virtio_test.c +++ b/tools/virtio/virtio_test.c @@ -135,6 +135,10 @@ static void vdev_info_init(struct vdev_info* dev, unsigned long long features) dev->buf = malloc(dev->buf_size); assert(dev->buf); dev->control = open("/dev/vhost-test", O_RDWR); + + if (dev->control < 0) + fprintf(stderr, + "Install vhost_test module (./vhost_test/vhost_test.ko) first.\n"); assert(dev->control >= 0); r = ioctl(dev->control, VHOST_SET_OWNER, NULL); assert(r >= 0); -- 2.34.1
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