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authorAnthony Liguori <aliguori@us.ibm.com>2013-07-22 10:14:24 -0500
committerAnthony Liguori <aliguori@us.ibm.com>2013-07-22 10:14:24 -0500
commit549c272b3c7c2aac69155be2e158c970828b2844 (patch)
tree18c407ca7c3c83b3e069987921d8b5e068f8742e /include/hw/virtio
parentc9fea5d701f8fd33f0843728ec264d95cee3ed37 (diff)
parentfd76663e3fe59dc7f7d5c439561b74f472727137 (diff)
Merge remote-tracking branch 'pmaydell/tags/pull-arm-devs-20130722' into staging
arm-devs queue # gpg: Signature made Mon 22 Jul 2013 06:38:52 AM CDT using RSA key ID 14360CDE # gpg: Can't check signature: public key not found # By Peter Maydell (8) and Soren Brinkmann (2) # Via Peter Maydell * pmaydell/tags/pull-arm-devs-20130722: hw/arm: Use 'load_ramdisk()' for loading ramdisks w/ U-Boot header hw/loader: Support ramdisk with u-boot header vexpress: Add virtio-mmio transports vexpress: Make VEDBoardInfo extend arm_boot_info arm/boot: Allow boards to modify the FDT blob virtio: Implement MMIO based virtio transport virtio: Support transports which can specify the vring alignment virtio: Add support for guest setting of queue size arm/boot: Use qemu_devtree_setprop_sized_cells() device_tree: Add qemu_devtree_setprop_sized_cells() utility functions Message-id: 1374493427-3254-1-git-send-email-peter.maydell@linaro.org Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'include/hw/virtio')
-rw-r--r--include/hw/virtio/virtio-bus.h6
-rw-r--r--include/hw/virtio/virtio.h2
2 files changed, 8 insertions, 0 deletions
diff --git a/include/hw/virtio/virtio-bus.h b/include/hw/virtio/virtio-bus.h
index 9ed60f9c9d..9217f85abc 100644
--- a/include/hw/virtio/virtio-bus.h
+++ b/include/hw/virtio/virtio-bus.h
@@ -62,6 +62,12 @@ typedef struct VirtioBusClass {
* This is called by virtio-bus just before the device is unplugged.
*/
void (*device_unplug)(DeviceState *d);
+ /*
+ * Does the transport have variable vring alignment?
+ * (ie can it ever call virtio_queue_set_align()?)
+ * Note that changing this will break migration for this transport.
+ */
+ bool has_variable_vring_alignment;
} VirtioBusClass;
struct VirtioBusState {
diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h
index 5d1d2be295..d7e9e0fc8a 100644
--- a/include/hw/virtio/virtio.h
+++ b/include/hw/virtio/virtio.h
@@ -200,7 +200,9 @@ void virtio_config_writew(VirtIODevice *vdev, uint32_t addr, uint32_t data);
void virtio_config_writel(VirtIODevice *vdev, uint32_t addr, uint32_t data);
void virtio_queue_set_addr(VirtIODevice *vdev, int n, hwaddr addr);
hwaddr virtio_queue_get_addr(VirtIODevice *vdev, int n);
+void virtio_queue_set_num(VirtIODevice *vdev, int n, int num);
int virtio_queue_get_num(VirtIODevice *vdev, int n);
+void virtio_queue_set_align(VirtIODevice *vdev, int n, int align);
void virtio_queue_notify(VirtIODevice *vdev, int n);
uint16_t virtio_queue_vector(VirtIODevice *vdev, int n);
void virtio_queue_set_vector(VirtIODevice *vdev, int n, uint16_t vector);