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authorMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2020-08-25 11:00:02 +0200
committerMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2020-08-25 11:00:02 +0200
commit2d9ad4cfaf4d32a64a4ed556e5bcab9121215026 (patch)
tree3572e6cd05effa4e2943cee817defb2b9a72afd1 /include/uapi/linux/virtio_config.h
parent77ef38574beb3e0b414db48e9c0f04633df68ba6 (diff)
parentd012a7190fc1fd72ed48911e77ca97ba4521bccd (diff)
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Merge tag 'v5.9-rc2' into drm-misc-fixes
Backmerge requested by Tomi for a fix to omap inconsistent locking state issue, and because we need at least v5.9-rc2 now. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Diffstat (limited to 'include/uapi/linux/virtio_config.h')
-rw-r--r--include/uapi/linux/virtio_config.h10
1 files changed, 7 insertions, 3 deletions
diff --git a/include/uapi/linux/virtio_config.h b/include/uapi/linux/virtio_config.h
index ff8e7dc9d4dd..b5eda06f0d57 100644
--- a/include/uapi/linux/virtio_config.h
+++ b/include/uapi/linux/virtio_config.h
@@ -67,13 +67,17 @@
#define VIRTIO_F_VERSION_1 32
/*
- * If clear - device has the IOMMU bypass quirk feature.
- * If set - use platform tools to detect the IOMMU.
+ * If clear - device has the platform DMA (e.g. IOMMU) bypass quirk feature.
+ * If set - use platform DMA tools to access the memory.
*
* Note the reverse polarity (compared to most other features),
* this is for compatibility with legacy systems.
*/
-#define VIRTIO_F_IOMMU_PLATFORM 33
+#define VIRTIO_F_ACCESS_PLATFORM 33
+#ifndef __KERNEL__
+/* Legacy name for VIRTIO_F_ACCESS_PLATFORM (for compatibility with old userspace) */
+#define VIRTIO_F_IOMMU_PLATFORM VIRTIO_F_ACCESS_PLATFORM
+#endif /* __KERNEL__ */
/* This feature indicates support for the packed virtqueue layout. */
#define VIRTIO_F_RING_PACKED 34