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authorJean-Philippe Brucker <jean-philippe@linaro.org>2021-12-01 17:33:21 +0000
committerJoerg Roedel <jroedel@suse.de>2021-12-06 15:03:05 +0100
commit063ebb19d962b45a1b505748d464bd12b5074797 (patch)
tree6833de032057b7f55d9550f61d667254dcc279b3
parent0fcfb00b28c0b7884635dacf38e46d60bf3d4eb1 (diff)
iommu/virtio: Add definitions for VIRTIO_IOMMU_F_BYPASS_CONFIG
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 <jean-philippe@linaro.org> Reviewed-by: Eric Auger <eric.auger@redhat.com> Link: https://lore.kernel.org/r/20211201173323.1045819-2-jean-philippe@linaro.org Signed-off-by: Joerg Roedel <jroedel@suse.de>
-rw-r--r--include/uapi/linux/virtio_iommu.h8
1 files changed, 7 insertions, 1 deletions
diff --git a/include/uapi/linux/virtio_iommu.h b/include/uapi/linux/virtio_iommu.h
index 237e36a280cb..1ff357f0d72e 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[3];
};
/* 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;
};