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>

diff --git a/include/uapi/linux/virtio_iommu.h b/include/uapi/linux/virtio_iommu.h
index 237e36a..1ff357f 100644 (file)
--- 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;
 };