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authorDaniel Vetter <daniel.vetter@ffwll.ch>2015-07-15 16:36:50 +0200
committerDaniel Vetter <daniel.vetter@ffwll.ch>2015-07-15 16:36:50 +0200
commitca6e4405779ed56ebac941570615abd667c72c02 (patch)
tree1b4fef494bc8d64ed889d52c7aabb4e09e4ffef3 /include/uapi/linux/vhost.h
parent8f539a83efa7dceb7c2257ca96e2dfc846bd12f6 (diff)
parentccfb8b2ed4d4e12c3c35de3db5fbbbaa11277736 (diff)
Merge tag 'drm-intel-fixes-2015-07-15' into drm-intel-next-queued
Backmerge fixes since it's getting out of hand again with the massive split due to atomic between -next and 4.2-rc. All the bugfixes in 4.2-rc are addressed already (by converting more towards atomic instead of minimal duct-tape) so just always pick the version in next for the conflicts in modeset code. All the other conflicts are just adjacent lines changed. Conflicts: drivers/gpu/drm/i915/i915_drv.h drivers/gpu/drm/i915/i915_gem_gtt.c drivers/gpu/drm/i915/intel_display.c drivers/gpu/drm/i915/intel_drv.h drivers/gpu/drm/i915/intel_ringbuffer.h Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Diffstat (limited to 'include/uapi/linux/vhost.h')
-rw-r--r--include/uapi/linux/vhost.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/include/uapi/linux/vhost.h b/include/uapi/linux/vhost.h
index bb6a5b4cb3c5..ab3731917bac 100644
--- a/include/uapi/linux/vhost.h
+++ b/include/uapi/linux/vhost.h
@@ -103,6 +103,20 @@ struct vhost_memory {
/* Get accessor: reads index, writes value in num */
#define VHOST_GET_VRING_BASE _IOWR(VHOST_VIRTIO, 0x12, struct vhost_vring_state)
+/* Set the vring byte order in num. Valid values are VHOST_VRING_LITTLE_ENDIAN
+ * or VHOST_VRING_BIG_ENDIAN (other values return -EINVAL).
+ * The byte order cannot be changed while the device is active: trying to do so
+ * returns -EBUSY.
+ * This is a legacy only API that is simply ignored when VIRTIO_F_VERSION_1 is
+ * set.
+ * Not all kernel configurations support this ioctl, but all configurations that
+ * support SET also support GET.
+ */
+#define VHOST_VRING_LITTLE_ENDIAN 0
+#define VHOST_VRING_BIG_ENDIAN 1
+#define VHOST_SET_VRING_ENDIAN _IOW(VHOST_VIRTIO, 0x13, struct vhost_vring_state)
+#define VHOST_GET_VRING_ENDIAN _IOW(VHOST_VIRTIO, 0x14, struct vhost_vring_state)
+
/* The following ioctls use eventfd file descriptors to signal and poll
* for events. */