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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193/* SPDX-License-Identifier: MIT *//* * Copyright © 2024 Tomeu Vizoso */#ifndef __DRM_UAPI_ROCKET_ACCEL_H__#define __DRM_UAPI_ROCKET_ACCEL_H__
#include "drm.h"
#if defined(__cplusplus)extern "C" {#endif
#define DRM_ROCKET_CREATE_BO 0x00#define DRM_ROCKET_SUBMIT 0x01#define DRM_ROCKET_PREP_BO 0x02#define DRM_ROCKET_FINI_BO 0x03
#define DRM_IOCTL_ROCKET_CREATE_BO DRM_IOWR(DRM_COMMAND_BASE + DRM_ROCKET_CREATE_BO, struct drm_rocket_create_bo)#define DRM_IOCTL_ROCKET_SUBMIT DRM_IOW(DRM_COMMAND_BASE + DRM_ROCKET_SUBMIT, struct drm_rocket_submit)#define DRM_IOCTL_ROCKET_PREP_BO DRM_IOW(DRM_COMMAND_BASE + DRM_ROCKET_PREP_BO, struct drm_rocket_prep_bo)#define DRM_IOCTL_ROCKET_FINI_BO DRM_IOW(DRM_COMMAND_BASE + DRM_ROCKET_FINI_BO, struct drm_rocket_fini_bo)
/** * struct drm_rocket_create_bo - ioctl argument for creating Rocket BOs. * */struct drm_rocket_create_bo { /** * @size: Input: Size of the requested BO. */ __u32 size;
/** * @handle: Output: GEM handle for the BO. */ __u32 handle;
/** * @dma_address: Output: DMA address for the BO in the NPU address * space. This address is private to the DRM fd and is valid for * the lifetime of the GEM handle. */ __u64 dma_address;
/** * @offset: Output: Offset into the drm node to use for subsequent * mmap call. */ __u64 offset;};
/** * struct drm_rocket_prep_bo - ioctl argument for starting CPU ownership of the BO. * * Takes care of waiting for any NPU jobs that might still use the NPU and performs cache * synchronization. */struct drm_rocket_prep_bo { /** * @handle: Input: GEM handle of the buffer object. */ __u32 handle;
/** * @reserved: Reserved, must be zero. */ __u32 reserved;
/** * @timeout_ns: Input: Amount of time to wait for NPU jobs. */ __s64 timeout_ns;};
/** * struct drm_rocket_fini_bo - ioctl argument for finishing CPU ownership of the BO. * * Synchronize caches for NPU access. */struct drm_rocket_fini_bo { /** * @handle: Input: GEM handle of the buffer object. */ __u32 handle;
/** * @reserved: Reserved, must be zero. */ __u32 reserved;};
/** * struct drm_rocket_task - A task to be run on the NPU * * A task is the smallest unit of work that can be run on the NPU. */struct drm_rocket_task { /** * @regcmd: Input: DMA address to NPU mapping of register command buffer */ __u32 regcmd;
/** * @regcmd_count: Input: Number of commands in the register command * buffer */ __u32 regcmd_count;};
/** * struct drm_rocket_job - A job to be run on the NPU * * The kernel will schedule the execution of this job taking into account its * dependencies with other jobs. All tasks in the same job will be executed * sequentially on the same core, to benefit from memory residency in SRAM. */struct drm_rocket_job { /** * @tasks: Input: Pointer to an array of struct drm_rocket_task. */ __u64 tasks;
/** * @in_bo_handles: Input: Pointer to a u32 array of the BOs that * are read by the job. */ __u64 in_bo_handles;
/** * @out_bo_handles: Input: Pointer to a u32 array of the BOs that * are written to by the job. */ __u64 out_bo_handles;
/** * @task_count: Input: Number of tasks passed in. */ __u32 task_count;
/** * @task_struct_size: Input: Size in bytes of the structs in the * @tasks field. */ __u32 task_struct_size;
/** * @in_bo_handle_count: Input: Number of input BO handles passed in * (size is that times 4). */ __u32 in_bo_handle_count;
/** * @out_bo_handle_count: Input: Number of output BO handles passed in * (size is that times 4). */ __u32 out_bo_handle_count;};
/** * struct drm_rocket_submit - ioctl argument for submitting commands to the NPU. * * The kernel will schedule the execution of these jobs in dependency order. */struct drm_rocket_submit { /** * @jobs: Input: Pointer to an array of struct drm_rocket_job. */ __u64 jobs;
/** * @job_count: Input: Number of jobs passed in. */ __u32 job_count;
/** * @job_struct_size: Input: Size in bytes of the structs in the * @jobs field. */ __u32 job_struct_size;
/** * @reserved: Reserved, must be zero. */ __u64 reserved;};
#if defined(__cplusplus)}#endif
#endif /* __DRM_UAPI_ROCKET_ACCEL_H__ */