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| author | Michael S. Tsirkin <mst@redhat.com> | 2009-06-12 22:16:36 -0600 |
|---|---|---|
| committer | Rusty Russell <rusty@rustcorp.com.au> | 2009-06-12 22:16:36 +0930 |
| commit | d2a7ddda9ffb1c8961abff6714b0f1eb925c120f (patch) | |
| tree | 1090884fd260d042255255467367e4e6b6193e5d /drivers/char/virtio_console.c | |
| parent | 9499f5e7ed5224c40706f0cec6542a9916bc7606 (diff) | |
| download | linux-d2a7ddda9ffb1c8961abff6714b0f1eb925c120f.tar.gz linux-d2a7ddda9ffb1c8961abff6714b0f1eb925c120f.tar.bz2 linux-d2a7ddda9ffb1c8961abff6714b0f1eb925c120f.zip | |
virtio: find_vqs/del_vqs virtio operations
This replaces find_vq/del_vq with find_vqs/del_vqs virtio operations,
and updates all drivers. This is needed for MSI support, because MSI
needs to know the total number of vectors upfront.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> (+ lguest/9p compile fixes)
Diffstat (limited to 'drivers/char/virtio_console.c')
| -rw-r--r-- | drivers/char/virtio_console.c | 26 |
1 files changed, 11 insertions, 15 deletions
diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c index 58684e4a0814..c74dacfa6795 100644 --- a/drivers/char/virtio_console.c +++ b/drivers/char/virtio_console.c @@ -188,6 +188,9 @@ static void hvc_handle_input(struct virtqueue *vq) * Finally we put our input buffer in the input queue, ready to receive. */ static int __devinit virtcons_probe(struct virtio_device *dev) { + vq_callback_t *callbacks[] = { hvc_handle_input, NULL}; + const char *names[] = { "input", "output" }; + struct virtqueue *vqs[2]; int err; vdev = dev; @@ -199,20 +202,15 @@ static int __devinit virtcons_probe(struct virtio_device *dev) goto fail; } - /* Find the input queue. */ + /* Find the queues. */ /* FIXME: This is why we want to wean off hvc: we do nothing * when input comes in. */ - in_vq = vdev->config->find_vq(vdev, 0, hvc_handle_input, "input"); - if (IS_ERR(in_vq)) { - err = PTR_ERR(in_vq); + err = vdev->config->find_vqs(vdev, 2, vqs, callbacks, names); + if (err) goto free; - } - out_vq = vdev->config->find_vq(vdev, 1, NULL, "output"); - if (IS_ERR(out_vq)) { - err = PTR_ERR(out_vq); - goto free_in_vq; - } + in_vq = vqs[0]; + out_vq = vqs[1]; /* Start using the new console output. */ virtio_cons.get_chars = get_chars; @@ -233,17 +231,15 @@ static int __devinit virtcons_probe(struct virtio_device *dev) hvc = hvc_alloc(0, 0, &virtio_cons, PAGE_SIZE); if (IS_ERR(hvc)) { err = PTR_ERR(hvc); - goto free_out_vq; + goto free_vqs; } /* Register the input buffer the first time. */ add_inbuf(); return 0; -free_out_vq: - vdev->config->del_vq(out_vq); -free_in_vq: - vdev->config->del_vq(in_vq); +free_vqs: + vdev->config->del_vqs(vdev); free: kfree(inbuf); fail: |