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authorYong Zhao <yong.zhao@amd.com>2017-08-16 06:00:22 +0300
committerOded Gabbay <oded.gabbay@gmail.com>2017-08-16 06:00:22 +0300
commit5d71dbc3a588690c3d66d76db8cd29973425ce6d (patch)
treeeba2ef2142b95240e6b313fb3510afbd70874851 /include/uapi/linux/kfd_ioctl.h
parentfb31a0c92f06348fe2ec5c76e30ef89b0e748ea9 (diff)
downloadlinux-5d71dbc3a588690c3d66d76db8cd29973425ce6d.tar.xz
drm/amdkfd: Implement image tiling mode support v2
v2: Removed hole in ioctl number space Signed-off-by: Yong Zhao <yong.zhao@amd.com> Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com> Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com> Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Diffstat (limited to 'include/uapi/linux/kfd_ioctl.h')
-rw-r--r--include/uapi/linux/kfd_ioctl.h28
1 files changed, 27 insertions, 1 deletions
diff --git a/include/uapi/linux/kfd_ioctl.h b/include/uapi/linux/kfd_ioctl.h
index 1b9c5609d523..7b4567bacfc2 100644
--- a/include/uapi/linux/kfd_ioctl.h
+++ b/include/uapi/linux/kfd_ioctl.h
@@ -238,6 +238,29 @@ struct kfd_ioctl_set_scratch_backing_va_args {
uint32_t pad;
};
+struct kfd_ioctl_get_tile_config_args {
+ /* to KFD: pointer to tile array */
+ uint64_t tile_config_ptr;
+ /* to KFD: pointer to macro tile array */
+ uint64_t macro_tile_config_ptr;
+ /* to KFD: array size allocated by user mode
+ * from KFD: array size filled by kernel
+ */
+ uint32_t num_tile_configs;
+ /* to KFD: array size allocated by user mode
+ * from KFD: array size filled by kernel
+ */
+ uint32_t num_macro_tile_configs;
+
+ uint32_t gpu_id; /* to KFD */
+ uint32_t gb_addr_config; /* from KFD */
+ uint32_t num_banks; /* from KFD */
+ uint32_t num_ranks; /* from KFD */
+ /* struct size can be extended later if needed
+ * without breaking ABI compatibility
+ */
+};
+
#define AMDKFD_IOCTL_BASE 'K'
#define AMDKFD_IO(nr) _IO(AMDKFD_IOCTL_BASE, nr)
#define AMDKFD_IOR(nr, type) _IOR(AMDKFD_IOCTL_BASE, nr, type)
@@ -295,7 +318,10 @@ struct kfd_ioctl_set_scratch_backing_va_args {
#define AMDKFD_IOC_SET_SCRATCH_BACKING_VA \
AMDKFD_IOWR(0x11, struct kfd_ioctl_set_scratch_backing_va_args)
+#define AMDKFD_IOC_GET_TILE_CONFIG \
+ AMDKFD_IOWR(0x12, struct kfd_ioctl_get_tile_config_args)
+
#define AMDKFD_COMMAND_START 0x01
-#define AMDKFD_COMMAND_END 0x12
+#define AMDKFD_COMMAND_END 0x13
#endif