drivers/accel/ivpu/ivpu_job.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Copyright (C) 2020-2024 Intel Corporation
   4  */
   5
   6 #ifndef __IVPU_JOB_H__
   7 #define __IVPU_JOB_H__
   8
   9 #include <linux/kref.h>
  10 #include <linux/idr.h>
  11
  12 #include "ivpu_gem.h"
  13
  14 struct ivpu_device;
  15 struct ivpu_file_priv;
  16
  17 /**
  18  * struct ivpu_cmdq - Object representing device queue used to send jobs.
  19  * @jobq:          Pointer to job queue memory shared with the device
  20  * @mem:           Memory allocated for the job queue, shared with device
  21  * @entry_count    Number of job entries in the queue
  22  * @db_id:         Doorbell assigned to this job queue
  23  * @db_registered: True if doorbell is registered in device
  24  */
  25 struct ivpu_cmdq {
  26         struct vpu_job_queue *jobq;
  27         struct ivpu_bo *primary_preempt_buf;
  28         struct ivpu_bo *secondary_preempt_buf;
  29         struct ivpu_bo *mem;
  30         u32 entry_count;
  31         u32 id;
  32         u32 db_id;
  33         bool db_registered;
  34         u8 priority;
  35 };
  36
  37 /**
  38  * struct ivpu_job - KMD object that represents batchbuffer / DMA buffer.
  39  * Each batch / DMA buffer is a job to be submitted and executed by the VPU FW.
  40  * This is a unit of execution, and be tracked by the job_id for
  41  * any status reporting from VPU FW through IPC JOB RET/DONE message.
  42  * @file_priv:            The client that submitted this job
  43  * @job_id:               Job ID for KMD tracking and job status reporting from VPU FW
  44  * @status:               Status of the Job from IPC JOB RET/DONE message
  45  * @batch_buffer:         CPU vaddr points to the batch buffer memory allocated for the job
  46  * @submit_status_offset: Offset within batch buffer where job completion handler
  47                           will update the job status
  48  */
  49 struct ivpu_job {
  50         struct ivpu_device *vdev;
  51         struct ivpu_file_priv *file_priv;
  52         struct dma_fence *done_fence;
  53         u64 cmd_buf_vpu_addr;
  54         u32 job_id;
  55         u32 engine_idx;
  56         size_t bo_count;
  57         struct ivpu_bo *bos[] __counted_by(bo_count);
  58 };
  59
  60 int ivpu_submit_ioctl(struct drm_device *dev, void *data, struct drm_file *file);
  61
  62 void ivpu_context_abort_locked(struct ivpu_file_priv *file_priv);
  63
  64 void ivpu_cmdq_release_all_locked(struct ivpu_file_priv *file_priv);
  65 void ivpu_cmdq_reset_all_contexts(struct ivpu_device *vdev);
  66
  67 void ivpu_job_done_consumer_init(struct ivpu_device *vdev);
  68 void ivpu_job_done_consumer_fini(struct ivpu_device *vdev);
  69
  70 void ivpu_jobs_abort_all(struct ivpu_device *vdev);
  71
  72 #endif /* __IVPU_JOB_H__ */