Commit 063ebb19 authored by Jean-Philippe Brucker's avatar Jean-Philippe Brucker Committed by Joerg Roedel
Browse files

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: default avatarKevin Tian <kevin.tian@intel.com>
Signed-off-by: default avatarJean-Philippe Brucker <jean-philippe@linaro.org>
Reviewed-by: default avatarEric Auger <eric.auger@redhat.com>
Link: https://lore.kernel.org/r/20211201173323.1045819-2-jean-philippe@linaro.org


Signed-off-by: default avatarJoerg Roedel <jroedel@suse.de>
parent 0fcfb00b

include/uapi/linux/virtio_iommu.h

+7 −1
Original line number Diff line number Diff line
@@ -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;

};