diff options
Diffstat (limited to 'include/uapi/linux/zocl_ioctl.h')
| -rw-r--r-- | include/uapi/linux/zocl_ioctl.h | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/include/uapi/linux/zocl_ioctl.h b/include/uapi/linux/zocl_ioctl.h new file mode 100644 index 000000000000..ee1f1e289cd8 --- /dev/null +++ b/include/uapi/linux/zocl_ioctl.h @@ -0,0 +1,125 @@ +/* + * A GEM style CMA backed memory manager for ZynQ based OpenCL accelerators. + * + * Copyright (C) 2016 Xilinx, Inc. All rights reserved. + * + * Authors: + * Sonal Santan <sonal.santan@xilinx.com> + * Umang Parekh <umang.parekh@xilinx.com> + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef _XCL_ZOCL_IOCTL_H_ +#define _XCL_ZOCL_IOCTL_H_ + +enum { + DRM_ZOCL_CREATE_BO = 0, + DRM_ZOCL_MAP_BO, + DRM_ZOCL_SYNC_BO, + DRM_ZOCL_INFO_BO, + DRM_ZOCL_PWRITE_BO, + DRM_ZOCL_PREAD_BO, + DRM_ZOCL_NUM_IOCTLS +}; + +enum drm_zocl_sync_bo_dir { + DRM_ZOCL_SYNC_BO_TO_DEVICE, + DRM_ZOCL_SYNC_BO_FROM_DEVICE +}; + +#define DRM_ZOCL_BO_FLAGS_COHERENT 0x00000001 +#define DRM_ZOCL_BO_FLAGS_CMA 0x00000002 + +struct drm_zocl_create_bo { + uint64_t size; + uint32_t handle; + uint32_t flags; +}; + +struct drm_zocl_map_bo { + uint32_t handle; + uint32_t pad; + uint64_t offset; +}; + +/** + * struct drm_zocl_sync_bo - used for SYNQ_BO IOCTL + * @handle: GEM object handle + * @dir: DRM_ZOCL_SYNC_DIR_XXX + * @offset: Offset into the object to write to + * @size: Length of data to write + */ +struct drm_zocl_sync_bo { + uint32_t handle; + enum drm_zocl_sync_bo_dir dir; + uint64_t offset; + uint64_t size; +}; + +/** + * struct drm_zocl_info_bo - used for INFO_BO IOCTL + * @handle: GEM object handle + * @size: Size of BO + * @paddr: physical address + */ +struct drm_zocl_info_bo { + uint32_t handle; + uint64_t size; + uint64_t paddr; +}; + +/** + * struct drm_zocl_pwrite_bo - used for PWRITE_BO IOCTL + * @handle: GEM object handle + * @pad: Padding + * @offset: Offset into the object to write to + * @size: Length of data to write + * @data_ptr: Pointer to read the data from (pointers not 32/64 compatible) + */ +struct drm_zocl_pwrite_bo { + uint32_t handle; + uint32_t pad; + uint64_t offset; + uint64_t size; + uint64_t data_ptr; +}; + +/** + * struct drm_zocl_pread_bo - used for PREAD_BO IOCTL + * @handle: GEM object handle + * @pad: Padding + * @offset: Offset into the object to read from + * @size: Length of data to wrreadite + * @data_ptr: Pointer to write the data into (pointers not 32/64 compatible) + */ +struct drm_zocl_pread_bo { + uint32_t handle; + uint32_t pad; + uint64_t offset; + uint64_t size; + uint64_t data_ptr; +}; + +#define DRM_IOCTL_ZOCL_CREATE_BO DRM_IOWR(DRM_COMMAND_BASE + \ + DRM_ZOCL_CREATE_BO, \ + struct drm_zocl_create_bo) +#define DRM_IOCTL_ZOCL_MAP_BO DRM_IOWR(DRM_COMMAND_BASE + \ + DRM_ZOCL_MAP_BO, struct drm_zocl_map_bo) +#define DRM_IOCTL_ZOCL_SYNC_BO DRM_IOWR(DRM_COMMAND_BASE + \ + DRM_ZOCL_SYNC_BO, struct drm_zocl_sync_bo) +#define DRM_IOCTL_ZOCL_INFO_BO DRM_IOWR(DRM_COMMAND_BASE + \ + DRM_ZOCL_INFO_BO, struct drm_zocl_info_bo) +#define DRM_IOCTL_ZOCL_PWRITE_BO DRM_IOWR(DRM_COMMAND_BASE + \ + DRM_ZOCL_PWRITE_BO, \ + struct drm_zocl_pwrite_bo) +#define DRM_IOCTL_ZOCL_PREAD_BO DRM_IOWR(DRM_COMMAND_BASE + \ + DRM_ZOCL_PREAD_BO, struct drm_zocl_pread_bo) +#endif |