diff options
| author | David Yat Sin <David.YatSin@amd.com> | 2025-03-18 19:49:55 +0000 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2026-01-05 16:59:56 -0500 |
| commit | c51bb53d5c68041dd02f66d9b638cda33647623e (patch) | |
| tree | 5e17df0916061685e11b68a176ffbe4df839581b /include | |
| parent | d0c989a0aad3ff047b72c89c91969a535f72dd2e (diff) | |
drm/amdkfd: Add metadata ring buffer for compute
Add support for separate ring-buffer for metadata packets when using
compute queues. Userspace application allocate the metadata ring-buffer
and the queue ring-buffer with a single allocation. The metadata
ring-buffer starts after the queue ring-buffer.
Signed-off-by: David Yat Sin <David.YatSin@amd.com>
Reviewed-by: Philip Yang <Philip.Yang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/uapi/linux/kfd_ioctl.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/include/uapi/linux/kfd_ioctl.h b/include/uapi/linux/kfd_ioctl.h index 6e91875c10ba..047bcb1cc078 100644 --- a/include/uapi/linux/kfd_ioctl.h +++ b/include/uapi/linux/kfd_ioctl.h @@ -47,9 +47,10 @@ * - 1.19 - Add a new ioctl to craete secondary kfd processes * - 1.20 - Trap handler support for expert scheduling mode available * - 1.21 - Debugger support to subscribe to LDS out-of-address exceptions + * - 1.22 - Add queue creation with metadata ring base address */ #define KFD_IOCTL_MAJOR_VERSION 1 -#define KFD_IOCTL_MINOR_VERSION 21 +#define KFD_IOCTL_MINOR_VERSION 22 struct kfd_ioctl_get_version_args { __u32 major_version; /* from KFD */ @@ -87,7 +88,7 @@ struct kfd_ioctl_create_queue_args { __u32 ctx_save_restore_size; /* to KFD */ __u32 ctl_stack_size; /* to KFD */ __u32 sdma_engine_id; /* to KFD */ - __u32 pad; + __u32 metadata_ring_size; /* to KFD */ }; struct kfd_ioctl_destroy_queue_args { |