[PATCH 3/4] libhsakmt: add new flags for svm
Eric Huang
jinhuieric.huang at amd.com
Tue Jun 28 21:43:14 UTC 2022
It is to add new option for always keeping gpu mapping.
Signed-off-by: Eric Huang <jinhuieric.huang at amd.com>
Change-Id: Iebee35e6de4d52fa29f82dd19f6bbf5640249492
---
include/linux/kfd_ioctl.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/include/linux/kfd_ioctl.h b/include/linux/kfd_ioctl.h
index 8a0ed49..5c45f58 100644
--- a/include/linux/kfd_ioctl.h
+++ b/include/linux/kfd_ioctl.h
@@ -1069,6 +1069,8 @@ struct kfd_ioctl_cross_memory_copy_args {
#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
--
2.25.1
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