[PATCH v2 1/5] iommu/virtio: Add definitions for VIRTIO_IOMMU_F_BYPASS_CONFIG
From: Jean-Philippe Brucker <hidden>
Date: 2021-11-23 15:56:42
Also in:
linux-iommu, lkml
Subsystem:
the rest, virtio core, virtio iommu driver · Maintainers:
Linus Torvalds, "Michael S. Tsirkin", Jason Wang, Jean-Philippe Brucker
Add definitions for the VIRTIO_IOMMU_F_BYPASS_CONFIG, which supersedes VIRTIO_IOMMU_F_BYPASS. Reviewed-by: Kevin Tian <kevin.tian@intel.com> Signed-off-by: Jean-Philippe Brucker <redacted> --- include/uapi/linux/virtio_iommu.h | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/include/uapi/linux/virtio_iommu.h b/include/uapi/linux/virtio_iommu.h
index 237e36a280cb..cafd8cf7febf 100644
--- a/include/uapi/linux/virtio_iommu.h
+++ b/include/uapi/linux/virtio_iommu.h@@ -16,6 +16,7 @@ #define VIRTIO_IOMMU_F_BYPASS 3 #define VIRTIO_IOMMU_F_PROBE 4 #define VIRTIO_IOMMU_F_MMIO 5 +#define VIRTIO_IOMMU_F_BYPASS_CONFIG 6 struct virtio_iommu_range_64 { __le64 start;
@@ -36,6 +37,8 @@ struct virtio_iommu_config { struct virtio_iommu_range_32 domain_range; /* Probe buffer size */ __le32 probe_size; + __u8 bypass; + __u8 reserved[7]; }; /* Request types */
@@ -66,11 +69,14 @@ struct virtio_iommu_req_tail { __u8 reserved[3]; }; +#define VIRTIO_IOMMU_ATTACH_F_BYPASS (1 << 0) + struct virtio_iommu_req_attach { struct virtio_iommu_req_head head; __le32 domain; __le32 endpoint; - __u8 reserved[8]; + __le32 flags; + __u8 reserved[4]; struct virtio_iommu_req_tail tail; };
--
2.33.1
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