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Update Linux headers to 5.13-rc4

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Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20210603191541.2862286-1-ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
This commit is contained in:
Eduardo Habkost 2021-06-03 15:15:41 -04:00
parent 18e53dff93
commit 278f064e45
25 changed files with 2707 additions and 2046 deletions
Download patch file Download diff file Expand all files Collapse all files

35
linux-headers/linux/vfio.h
View file

@ -46,6 +46,12 @@
*/
#define VFIO_NOIOMMU_IOMMU 8
/* Supports VFIO_DMA_UNMAP_FLAG_ALL */
#define VFIO_UNMAP_ALL 9
/* Supports the vaddr flag for DMA map and unmap */
#define VFIO_UPDATE_VADDR 10
/*
* The IOCTL interface is designed for extensibility by embedding the
* structure length (argsz) and flags into structures passed between
@ -329,6 +335,8 @@ struct vfio_region_info_cap_type {
/* 10de vendor PCI sub-types */
/*
* NVIDIA GPU NVlink2 RAM is coherent RAM mapped onto the host address space.
*
* Deprecated, region no longer provided
*/
#define VFIO_REGION_SUBTYPE_NVIDIA_NVLINK2_RAM (1)
@ -336,6 +344,8 @@ struct vfio_region_info_cap_type {
/*
* IBM NPU NVlink2 ATSD (Address Translation Shootdown) register of NPU
* to do TLB invalidation on a GPU.
*
* Deprecated, region no longer provided
*/
#define VFIO_REGION_SUBTYPE_IBM_NVLINK2_ATSD (1)
@ -635,6 +645,8 @@ struct vfio_device_migration_info {
* Capability with compressed real address (aka SSA - small system address)
* where GPU RAM is mapped on a system bus. Used by a GPU for DMA routing
* and by the userspace to associate a NVLink bridge with a GPU.
*
* Deprecated, capability no longer provided
*/
#define VFIO_REGION_INFO_CAP_NVLINK2_SSATGT 4
@ -649,6 +661,8 @@ struct vfio_region_info_cap_nvlink2_ssatgt {
* property in the device tree. The value is fixed in the hardware
* and failing to provide the correct value results in the link
* not working with no indication from the driver why.
*
* Deprecated, capability no longer provided
*/
#define VFIO_REGION_INFO_CAP_NVLINK2_LNKSPD 5
@ -1074,12 +1088,22 @@ struct vfio_iommu_type1_info_dma_avail {
*
* Map process virtual addresses to IO virtual addresses using the
* provided struct vfio_dma_map. Caller sets argsz. READ &/ WRITE required.
*
* If flags & VFIO_DMA_MAP_FLAG_VADDR, update the base vaddr for iova, and
* unblock translation of host virtual addresses in the iova range. The vaddr
* must have previously been invalidated with VFIO_DMA_UNMAP_FLAG_VADDR. To
* maintain memory consistency within the user application, the updated vaddr
* must address the same memory object as originally mapped. Failure to do so
* will result in user memory corruption and/or device misbehavior. iova and
* size must match those in the original MAP_DMA call. Protection is not
* changed, and the READ & WRITE flags must be 0.
*/
struct vfio_iommu_type1_dma_map {
__u32 argsz;
__u32 flags;
#define VFIO_DMA_MAP_FLAG_READ (1 << 0) /* readable from device */
#define VFIO_DMA_MAP_FLAG_WRITE (1 << 1) /* writable from device */
#define VFIO_DMA_MAP_FLAG_VADDR (1 << 2)
__u64 vaddr; /* Process virtual address */
__u64 iova; /* IO virtual address */
__u64 size; /* Size of mapping (bytes) */
@ -1102,6 +1126,7 @@ struct vfio_bitmap {
* field. No guarantee is made to the user that arbitrary unmaps of iova
* or size different from those used in the original mapping call will
* succeed.
*
* VFIO_DMA_UNMAP_FLAG_GET_DIRTY_BITMAP should be set to get the dirty bitmap
* before unmapping IO virtual addresses. When this flag is set, the user must
* provide a struct vfio_bitmap in data[]. User must provide zero-allocated
@ -1111,11 +1136,21 @@ struct vfio_bitmap {
* indicates that the page at that offset from iova is dirty. A Bitmap of the
* pages in the range of unmapped size is returned in the user-provided
* vfio_bitmap.data.
*
* If flags & VFIO_DMA_UNMAP_FLAG_ALL, unmap all addresses. iova and size
* must be 0. This cannot be combined with the get-dirty-bitmap flag.
*
* If flags & VFIO_DMA_UNMAP_FLAG_VADDR, do not unmap, but invalidate host
* virtual addresses in the iova range. Tasks that attempt to translate an
* iova's vaddr will block. DMA to already-mapped pages continues. This
* cannot be combined with the get-dirty-bitmap flag.
*/
struct vfio_iommu_type1_dma_unmap {
__u32 argsz;
__u32 flags;
#define VFIO_DMA_UNMAP_FLAG_GET_DIRTY_BITMAP (1 << 0)
#define VFIO_DMA_UNMAP_FLAG_ALL (1 << 1)
#define VFIO_DMA_UNMAP_FLAG_VADDR (1 << 2)
__u64 iova; /* IO virtual address */
__u64 size; /* Size of mapping (bytes) */
__u8 data[];