From 5d71dbc3a588690c3d66d76db8cd29973425ce6d Mon Sep 17 00:00:00 2001 From: Yong Zhao Date: Tue, 15 Aug 2017 23:00:22 -0400 Subject: drm/amdkfd: Implement image tiling mode support v2 v2: Removed hole in ioctl number space Signed-off-by: Yong Zhao Signed-off-by: Felix Kuehling Reviewed-by: Oded Gabbay Signed-off-by: Oded Gabbay --- include/uapi/linux/kfd_ioctl.h | 28 +++++++++++++++++++++++++++- 1 file changed, 27 insertions(+), 1 deletion(-) (limited to 'include/uapi/linux/kfd_ioctl.h') 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 -- cgit v1.2.3-55-g7522