diff options
Diffstat (limited to 'include/uapi/drm')
| -rw-r--r-- | include/uapi/drm/xe_drm.h | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/include/uapi/drm/xe_drm.h b/include/uapi/drm/xe_drm.h index d1f0018342b6..acf92a367e3d 100644 --- a/include/uapi/drm/xe_drm.h +++ b/include/uapi/drm/xe_drm.h @@ -990,6 +990,12 @@ struct drm_xe_vm_destroy { * - %DRM_XE_VM_BIND_FLAG_CHECK_PXP - If the object is encrypted via PXP, * reject the binding if the encryption key is no longer valid. This * flag has no effect on BOs that are not marked as using PXP. + * - %DRM_XE_VM_BIND_FLAG_CPU_ADDR_MIRROR - When the CPU address mirror flag is + * set, no mappings are created rather the range is reserved for CPU address + * mirroring which will be populated on GPU page faults or prefetches. Only + * valid on VMs with DRM_XE_VM_CREATE_FLAG_FAULT_MODE set. The CPU address + * mirror flag are only valid for DRM_XE_VM_BIND_OP_MAP operations, the BO + * handle MBZ, and the BO offset MBZ. */ struct drm_xe_vm_bind_op { /** @extensions: Pointer to the first extension struct, if any */ @@ -1042,7 +1048,9 @@ struct drm_xe_vm_bind_op { * on the @pat_index. For such mappings there is no actual memory being * mapped (the address in the PTE is invalid), so the various PAT memory * attributes likely do not apply. Simply leaving as zero is one - * option (still a valid pat_index). + * option (still a valid pat_index). Same applies to + * DRM_XE_VM_BIND_FLAG_CPU_ADDR_MIRROR bindings as for such mapping + * there is no actual memory being mapped. */ __u16 pat_index; @@ -1058,6 +1066,14 @@ struct drm_xe_vm_bind_op { /** @userptr: user pointer to bind on */ __u64 userptr; + + /** + * @cpu_addr_mirror_offset: Offset from GPU @addr to create + * CPU address mirror mappings. MBZ with current level of + * support (e.g. 1 to 1 mapping between GPU and CPU mappings + * only supported). + */ + __s64 cpu_addr_mirror_offset; }; /** @@ -1081,6 +1097,7 @@ struct drm_xe_vm_bind_op { #define DRM_XE_VM_BIND_FLAG_NULL (1 << 2) #define DRM_XE_VM_BIND_FLAG_DUMPABLE (1 << 3) #define DRM_XE_VM_BIND_FLAG_CHECK_PXP (1 << 4) +#define DRM_XE_VM_BIND_FLAG_CPU_ADDR_MIRROR (1 << 5) /** @flags: Bind flags */ __u32 flags; |