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drm/amdkfd: add new flag for svm

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

Signed-off-by: Eric Huang <jinhuieric.huang@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Eric Huang 2022-06-24 11:03:37 -04:00 • committed by Alex Deucher
parent fc25fd602b
commit fce7bf30d3
1 changed files with 2 additions and 0 deletions
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2
include/uapi/linux/kfd_ioctl.h
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@ -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