From: Jason Wang <jasowang@redhat.com>
To: mst@redhat.com, jasowang@redhat.com
Cc: virtualization@lists.linux-foundation.org,
linux-kernel@vger.kernel.org, f.hetzelt@tu-berlin.de,
david.kaplan@amd.com, konrad.wilk@oracle.com
Subject: [PATCH 5/9] virtio_config: introduce a new ready method
Date: Mon, 13 Sep 2021 13:53:49 +0800 [thread overview]
Message-ID: <20210913055353.35219-6-jasowang@redhat.com> (raw)
In-Reply-To: <20210913055353.35219-1-jasowang@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
---
include/linux/virtio_config.h | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h
index 8519b3ae5d52..f2891c6221a1 100644
--- a/include/linux/virtio_config.h
+++ b/include/linux/virtio_config.h
@@ -23,6 +23,8 @@ struct virtio_shm_region {
* any of @get/@set, @get_status/@set_status, or @get_features/
* @finalize_features are NOT safe to be called from an atomic
* context.
+ * @ready: make the device ready
+ * vdev: the virtio_device
* @get: read the value of a configuration field
* vdev: the virtio_device
* offset: the offset of the configuration field
@@ -75,6 +77,7 @@ struct virtio_shm_region {
*/
typedef void vq_callback_t(struct virtqueue *);
struct virtio_config_ops {
+ void (*ready)(struct virtio_device *vdev);
void (*get)(struct virtio_device *vdev, unsigned offset,
void *buf, unsigned len);
void (*set)(struct virtio_device *vdev, unsigned offset,
@@ -229,6 +232,9 @@ void virtio_device_ready(struct virtio_device *dev)
{
unsigned status = dev->config->get_status(dev);
+ if (dev->config->ready)
+ dev->config->ready(dev);
+
BUG_ON(status & VIRTIO_CONFIG_S_DRIVER_OK);
dev->config->set_status(dev, status | VIRTIO_CONFIG_S_DRIVER_OK);
}
--
2.25.1
next prev parent reply other threads:[~2021-09-13 5:54 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-13 5:53 [PATCH 0/9] More virtio hardening Jason Wang
2021-09-13 5:53 ` [PATCH 1/9] virtio-blk: validate num_queues during probe Jason Wang
2021-09-13 7:48 ` Stefano Garzarella
2021-09-14 2:29 ` Jason Wang
2021-09-13 12:05 ` Stefan Hajnoczi
2021-09-13 5:53 ` [PATCH 2/9] virtio: add doc for validate() method Jason Wang
2021-09-13 5:53 ` [PATCH 3/9] virtio-console: switch to use .validate() Jason Wang
2021-09-13 5:53 ` [PATCH 4/9] virtio_console: validate max_nr_ports before trying to use it Jason Wang
2021-09-13 5:53 ` Jason Wang [this message]
2021-09-13 5:53 ` [PATCH 6/9] virtio_pci: harden MSI-X interrupts Jason Wang
2021-09-13 6:03 ` Michael S. Tsirkin
2021-09-13 6:08 ` Jason Wang
2021-09-13 6:28 ` Michael S. Tsirkin
2021-09-13 6:34 ` Jason Wang
2021-09-13 6:37 ` Michael S. Tsirkin
2021-09-13 6:43 ` Jason Wang
2021-09-13 7:01 ` Michael S. Tsirkin
2021-09-13 7:15 ` Jason Wang
2021-09-13 6:50 ` Michael S. Tsirkin
2021-09-13 7:07 ` Jason Wang
2021-09-13 19:38 ` Thomas Gleixner
2021-09-13 20:54 ` Michael S. Tsirkin
2021-09-13 22:31 ` Thomas Gleixner
2021-09-14 2:20 ` Jason Wang
2021-09-14 8:29 ` Thomas Gleixner
2021-09-13 5:53 ` [PATCH 7/9] virtio-pci: harden INTX interrupts Jason Wang
2021-09-13 6:33 ` Michael S. Tsirkin
2021-09-13 6:36 ` Jason Wang
2021-09-13 6:41 ` Michael S. Tsirkin
2021-09-13 6:45 ` Jason Wang
2021-09-13 7:02 ` Michael S. Tsirkin
2021-09-13 7:17 ` Jason Wang
2021-09-13 21:36 ` Thomas Gleixner
2021-09-13 22:01 ` Michael S. Tsirkin
2021-09-13 22:20 ` Thomas Gleixner
2021-09-14 2:50 ` Jason Wang
2021-09-14 9:34 ` Boqun Feng
2021-09-14 11:03 ` Peter Zijlstra
2021-09-14 11:09 ` Thomas Gleixner
2021-09-13 5:53 ` [PATCH 8/9] virtio_ring: fix typos in vring_desc_extra Jason Wang
2021-09-13 5:53 ` [PATCH 9/9] virtio_ring: validate used buffer length Jason Wang
2021-09-13 6:36 ` Michael S. Tsirkin
2021-09-13 6:40 ` Jason Wang
2021-09-13 6:57 ` Michael S. Tsirkin
2021-09-13 7:13 ` Jason Wang
2021-10-05 7:42 ` [PATCH 0/9] More virtio hardening Michael S. Tsirkin
2021-10-11 7:36 ` Jason Wang
2021-10-11 12:36 ` Michael S. Tsirkin
2021-10-12 2:43 ` Jason Wang
2021-10-12 5:44 ` Michael S. Tsirkin
2021-10-12 6:11 ` Jason Wang
2021-10-12 6:35 ` Michael S. Tsirkin
2021-10-12 6:43 ` Jason Wang
2021-10-12 7:03 ` Michael S. Tsirkin
2021-10-12 8:46 ` Jason Wang
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