uapi/drm/ivpu_accel.h

1 /* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
3  * Copyright (C) 2020-2023 Intel Corporation
46  * VPU contexts have private virtual address space, job queues and priority.
76  * struct drm_ivpu_param - Get/Set VPU parameters
85 	 * PCI Device ID of the VPU device (read-only)
88 	 * VPU device revision (read-only)
92 	 * platform type when executing on a simulator or emulator (read-only)
95 	 * Current PLL frequency (read-only)
98 	 * Maximum number of simultaneously existing contexts (read-only)
101 	 * Lowest VPU virtual address available in the current context (read-only)
104 	 * Value of current context scheduling priority (read-write).
108 	 * Current context ID, always greater than 0 (read-only)
111 	 * Firmware API version array (read-only)
114 	 * Heartbeat value from an engine (read-only).
118 	 * Device-unique inference ID (read-only)
121 	 * VPU tile configuration  (read-only)
124 	 * VPU SKU ID (read-only)
153  * struct drm_ivpu_bo_create - Create BO backed by SHMEM
168 	 * Allocate VPU address from >4GB range.
169 	 * Buffer object with vpu address >4GB can be always accessed by the
170 	 * VPU DMA engine, but some HW generation may not be able to access
171 	 * this memory from then firmware running on the VPU management processor.
180 	 * Allocated BO will be cached on host side (WB) and snooped on the VPU side.
185 	 * Allocated BO will not be cached on host side nor snooped on the VPU side.
197 	/** @vpu_addr: Returned VPU virtual address */
202  * struct drm_ivpu_bo_info - Query buffer object info
211 	/** @vpu_addr: Returned VPU virtual address */
230  * struct drm_ivpu_submit - Submit commands to the VPU
232  * Execute a single command buffer on a given VPU engine.
261 	 * Performs memory copy operations to/from system memory allocated for VPU
265 	/** @flags: Reserved for future use - must be zero */
272 	 * to be executed. The offset has to be 8-byte aligned.
281  * struct drm_ivpu_bo_wait - Wait for BO to become inactive
290 	/** @flags: Reserved for future use - must be zero */
305 	/** @pad: Padding - must be zero */