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| author | Eric Huang <jinhuieric.huang@amd.com> | 2020-05-12 22:25:38 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-03-24 05:53:39 +0300 |
| commit | 98291d6d8c2f5864b7dfc1950ece4a7563597f13 (patch) | |
| tree | 5613dbccdb0097956bf3bd18e6c5f19c4a66cae6 /include/uapi/linux/kfd_ioctl.h | |
| parent | 72b4db0f58ccfc4cb9489708ab1bcb32adc42679 (diff) | |
| download | linux-98291d6d8c2f5864b7dfc1950ece4a7563597f13.tar.xz | |
drm/amdkfd: add new flag for uncached GPU mapping
The macro is for memory mapped by GPU as uncached.
Signed-off-by: Eric Huang <jinhuieric.huang@amd.com>
Reviewed-by: Oak Zeng <Oak.Zeng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'include/uapi/linux/kfd_ioctl.h')
| -rw-r--r-- | include/uapi/linux/kfd_ioctl.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/uapi/linux/kfd_ioctl.h b/include/uapi/linux/kfd_ioctl.h index 695b606da4b1..18449f746097 100644 --- a/include/uapi/linux/kfd_ioctl.h +++ b/include/uapi/linux/kfd_ioctl.h @@ -351,6 +351,7 @@ struct kfd_ioctl_acquire_vm_args { #define KFD_IOC_ALLOC_MEM_FLAGS_NO_SUBSTITUTE (1 << 28) #define KFD_IOC_ALLOC_MEM_FLAGS_AQL_QUEUE_MEM (1 << 27) #define KFD_IOC_ALLOC_MEM_FLAGS_COHERENT (1 << 26) +#define KFD_IOC_ALLOC_MEM_FLAGS_UNCACHED (1 << 25) /* Allocate memory for later SVM (shared virtual memory) mapping. * |