On Mon, Jun 27, 2022 at 11:36 AM Eric Huang <jinhuieric.huang@xxxxxxx> wrote: > > http://gerrit-git.amd.com/c/compute/ec/libhsakmt/+/697296 Got an external link? Alex > > Regards, > Eric > > On 2022-06-27 11:33, Alex Deucher wrote: > > On Fri, Jun 24, 2022 at 12:03 PM Eric Huang <jinhuieric.huang@xxxxxxx> wrote: > >> It is to add new options for always keeping gpu mapping > >> and custom of coarse grain allocation intead of fine > >> grain as default. > >> > >> Signed-off-by: Eric Huang <jinhuieric.huang@xxxxxxx> > > Can you provide a link to the proposed userspace for this? > > > > Alex > > > >> --- > >> include/uapi/linux/kfd_ioctl.h | 4 ++++ > >> 1 file changed, 4 insertions(+) > >> > >> diff --git a/include/uapi/linux/kfd_ioctl.h b/include/uapi/linux/kfd_ioctl.h > >> index fd49dde4d5f4..9dbf215675a0 100644 > >> --- a/include/uapi/linux/kfd_ioctl.h > >> +++ b/include/uapi/linux/kfd_ioctl.h > >> @@ -1076,6 +1076,10 @@ 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 > >> +/* Allow set custom flags instead of defaults */ > >> +#define KFD_IOCTL_SVM_FLAG_CUSTOM 0x80000000 > >> > >> /** > >> * kfd_ioctl_svm_op - SVM ioctl operations > >> -- > >> 2.25.1 > >> >
