xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

drm/amdkfd: Implement image tiling mode support v2

Browse Source 
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>
This commit is contained in:
Yong Zhao
2017-08-15 23:00:22 -04:00
committed by Oded Gabbay
parent fb31a0c92f
commit 5d71dbc3a5
2 changed files with 70 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

28
include/uapi/linux/kfd_ioctl.h
View File

@@ -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