V4L/DVB (11411): gspca - m5602: Rework v4l ctrl handling in all sensors

[linux-2.6-microblaze.git] / include / linux / virtio_pci.h

diff --git a/include/linux/virtio_pci.h b/include/linux/virtio_pci.h
index cdef357..cd0fd5d 100644 (file)
--- a/include/linux/virtio_pci.h
+++ b/include/linux/virtio_pci.h
@@ -53,4 +53,12 @@
 
 /* Virtio ABI version, this must match exactly */
 #define VIRTIO_PCI_ABI_VERSION         0
+
+/* How many bits to shift physical queue address written to QUEUE_PFN.
+ * 12 is historical, and due to x86 page size. */
+#define VIRTIO_PCI_QUEUE_ADDR_SHIFT    12
+
+/* The alignment to use between consumer and producer parts of vring.
+ * x86 pagesize again. */
+#define VIRTIO_PCI_VRING_ALIGN         4096
 #endif