drivers/gpu/drm/amd/amdgpu/amdgpu_job.h

   1 /*
   2  * Copyright 2018 Advanced Micro Devices, Inc.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20  * OTHER DEALINGS IN THE SOFTWARE.
  21  *
  22  */
  23 #ifndef __AMDGPU_JOB_H__
  24 #define __AMDGPU_JOB_H__
  25
  26 /* bit set means command submit involves a preamble IB */
  27 #define AMDGPU_PREAMBLE_IB_PRESENT          (1 << 0)
  28 /* bit set means preamble IB is first presented in belonging context */
  29 #define AMDGPU_PREAMBLE_IB_PRESENT_FIRST    (1 << 1)
  30 /* bit set means context switch occured */
  31 #define AMDGPU_HAVE_CTX_SWITCH              (1 << 2)
  32 /* bit set means IB is preempted */
  33 #define AMDGPU_IB_PREEMPTED                 (1 << 3)
  34
  35 #define to_amdgpu_job(sched_job)                \
  36                 container_of((sched_job), struct amdgpu_job, base)
  37
  38 #define AMDGPU_JOB_GET_VMID(job) ((job) ? (job)->vmid : 0)
  39
  40 struct amdgpu_fence;
  41 enum amdgpu_ib_pool_type;
  42
  43 struct amdgpu_job {
  44         struct drm_sched_job    base;
  45         struct amdgpu_vm        *vm;
  46         struct amdgpu_sync      sync;
  47         struct amdgpu_sync      sched_sync;
  48         struct amdgpu_ib        *ibs;
  49         struct dma_fence        *fence; /* the hw fence */
  50         uint32_t                preamble_status;
  51         uint32_t                preemption_status;
  52         uint32_t                num_ibs;
  53         bool                    vm_needs_flush;
  54         uint64_t                vm_pd_addr;
  55         unsigned                vmid;
  56         unsigned                pasid;
  57         uint32_t                gds_base, gds_size;
  58         uint32_t                gws_base, gws_size;
  59         uint32_t                oa_base, oa_size;
  60         uint32_t                vram_lost_counter;
  61
  62         /* user fence handling */
  63         uint64_t                uf_addr;
  64         uint64_t                uf_sequence;
  65 };
  66
  67 int amdgpu_job_alloc(struct amdgpu_device *adev, unsigned num_ibs,
  68                      struct amdgpu_job **job, struct amdgpu_vm *vm);
  69 int amdgpu_job_alloc_with_ib(struct amdgpu_device *adev, unsigned size,
  70                 enum amdgpu_ib_pool_type pool, struct amdgpu_job **job);
  71 void amdgpu_job_free_resources(struct amdgpu_job *job);
  72 void amdgpu_job_free(struct amdgpu_job *job);
  73 int amdgpu_job_submit(struct amdgpu_job *job, struct drm_sched_entity *entity,
  74                       void *owner, struct dma_fence **f);
  75 int amdgpu_job_submit_direct(struct amdgpu_job *job, struct amdgpu_ring *ring,
  76                              struct dma_fence **fence);
  77
  78 void amdgpu_job_stop_all_jobs_on_sched(struct drm_gpu_scheduler *sched);
  79
  80 #endif