Commit fce7bf30 authored by Eric Huang's avatar Eric Huang Committed by Alex Deucher
Browse files

drm/amdkfd: add new flag for svm 



It is to add new option for always keeping gpu mapping.

Signed-off-by: default avatarEric Huang <jinhuieric.huang@amd.com>
Reviewed-by: default avatarFelix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent fc25fd60

include/uapi/linux/kfd_ioctl.h

+2 −0
Original line number Diff line number Diff line
@@ -613,6 +613,8 @@ enum kfd_mmio_remap { 
#define KFD_IOCTL_SVM_FLAG_GPU_EXEC    0x00000010

/* GPUs mostly read, may allow similar optimizations as RO, but writes fault */

#define KFD_IOCTL_SVM_FLAG_GPU_READ_MOSTLY     0x00000020

/* Keep GPU memory mapping always valid as if XNACK is disable */

#define KFD_IOCTL_SVM_FLAG_GPU_ALWAYS_MAPPED   0x00000040



/**

 * kfd_ioctl_svm_op - SVM ioctl operations