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authorThomas Gleixner <tglx@linutronix.de>2016-09-14 20:53:26 +0200
committerThomas Gleixner <tglx@linutronix.de>2016-09-14 20:53:26 +0200
commit16217dc79dbc599b110dda26d0421df47904bba4 (patch)
tree98df3c18b14284b8a6f8b04de12e0b7dde5a55fa /include/uapi/linux/virtio_config.h
parentecb3f394c5dba897d215a5422f1b363e93e2ce4e (diff)
parent723344dd0b2aa10ef9d28fe7f35d594d3e64f0f9 (diff)
Merge tag 'irqchip-4.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/core
Merge the first drop of irqchip updates for 4.9 from Marc Zyngier: - ACPI IORT core code - IORT support for the GICv3 ITS - A few of GIC cleanups
Diffstat (limited to 'include/uapi/linux/virtio_config.h')
-rw-r--r--include/uapi/linux/virtio_config.h10
1 files changed, 9 insertions, 1 deletions
diff --git a/include/uapi/linux/virtio_config.h b/include/uapi/linux/virtio_config.h
index 4cb65bbfa654..308e2096291f 100644
--- a/include/uapi/linux/virtio_config.h
+++ b/include/uapi/linux/virtio_config.h
@@ -49,7 +49,7 @@
* transport being used (eg. virtio_ring), the rest are per-device feature
* bits. */
#define VIRTIO_TRANSPORT_F_START 28
-#define VIRTIO_TRANSPORT_F_END 33
+#define VIRTIO_TRANSPORT_F_END 34
#ifndef VIRTIO_CONFIG_NO_LEGACY
/* Do we get callbacks when the ring is completely used, even if we've
@@ -63,4 +63,12 @@
/* v1.0 compliant. */
#define VIRTIO_F_VERSION_1 32
+/*
+ * If clear - device has the IOMMU bypass quirk feature.
+ * If set - use platform tools to detect the IOMMU.
+ *
+ * Note the reverse polarity (compared to most other features),
+ * this is for compatibility with legacy systems.
+ */
+#define VIRTIO_F_IOMMU_PLATFORM 33
#endif /* _UAPI_LINUX_VIRTIO_CONFIG_H */