[v9,08/11] vfio: Add new IRQ for DMA fault reporting
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Message ID 20190711135625.20684-9-eric.auger@redhat.com
State New
Headers show
Series
  • SMMUv3 Nested Stage Setup (VFIO part)
Related show

Commit Message

Auger Eric July 11, 2019, 1:56 p.m. UTC
Add a new IRQ type/subtype to get notification on nested
stage DMA faults.

Signed-off-by: Eric Auger <eric.auger@redhat.com>
---
 include/uapi/linux/vfio.h | 3 +++
 1 file changed, 3 insertions(+)

Patch
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diff --git a/include/uapi/linux/vfio.h b/include/uapi/linux/vfio.h
index b53714ae02c5..58607809e81a 100644
--- a/include/uapi/linux/vfio.h
+++ b/include/uapi/linux/vfio.h
@@ -473,6 +473,9 @@  struct vfio_irq_info_cap_type {
 	__u32 subtype;  /* type specific */
 };
 
+#define VFIO_IRQ_TYPE_NESTED				(1)
+#define VFIO_IRQ_SUBTYPE_DMA_FAULT			(1)
+
 /**
  * VFIO_DEVICE_SET_IRQS - _IOW(VFIO_TYPE, VFIO_BASE + 10, struct vfio_irq_set)
  *