LXR linux/drivers/gpu/drm/amd/amdgpu/amdgpu

   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
  40struct amdgpu_fence;
  41
  42struct amdgpu_job {
  43        struct drm_sched_job    base;
  44        struct amdgpu_vm        *vm;
  45        struct amdgpu_sync      sync;
  46        struct amdgpu_sync      sched_sync;
  47        struct amdgpu_ib        *ibs;
  48        struct dma_fence        *fence; /* the hw fence */
  49        uint32_t                preamble_status;
  50        uint32_t                preemption_status;
  51        uint32_t                num_ibs;
  52        void                    *owner;
  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
  68int amdgpu_job_alloc(struct amdgpu_device *adev, unsigned num_ibs,
  69                     struct amdgpu_job **job, struct amdgpu_vm *vm);
  70int amdgpu_job_alloc_with_ib(struct amdgpu_device *adev, unsigned size,
  71                             struct amdgpu_job **job);
  72
  73void amdgpu_job_free_resources(struct amdgpu_job *job);
  74void amdgpu_job_free(struct amdgpu_job *job);
  75int amdgpu_job_submit(struct amdgpu_job *job, struct drm_sched_entity *entity,
  76                      void *owner, struct dma_fence **f);
  77int amdgpu_job_submit_direct(struct amdgpu_job *job, struct amdgpu_ring *ring,
  78                             struct dma_fence **fence);
  79#endif
  80