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#include <drm/gpu_scheduler.h>
27#include "amdgpu_sync.h"
28#include "amdgpu_ring.h"
29
30/* bit set means command submit involves a preamble IB */
31#define AMDGPU_PREAMBLE_IB_PRESENT (1 << 0)
32/* bit set means preamble IB is first presented in belonging context */
33#define AMDGPU_PREAMBLE_IB_PRESENT_FIRST (1 << 1)
34/* bit set means context switch occured */
35#define AMDGPU_HAVE_CTX_SWITCH (1 << 2)
36/* bit set means IB is preempted */
37#define AMDGPU_IB_PREEMPTED (1 << 3)
38
39#define to_amdgpu_job(sched_job) \
40 container_of((sched_job), struct amdgpu_job, base)
41
42#define AMDGPU_JOB_GET_VMID(job) ((job) ? (job)->vmid : 0)
43
44struct amdgpu_fence;
45enum amdgpu_ib_pool_type;
46
47struct amdgpu_job {
48 struct drm_sched_job base;
49 struct amdgpu_vm *vm;
50 struct amdgpu_sync explicit_sync;
51 struct dma_fence hw_fence;
52 struct dma_fence *gang_submit;
53 uint32_t preamble_status;
54 uint32_t preemption_status;
55 bool vm_needs_flush;
56 bool gds_switch_needed;
57 bool spm_update_needed;
58 uint64_t vm_pd_addr;
59 unsigned vmid;
60 unsigned pasid;
61 uint32_t gds_base, gds_size;
62 uint32_t gws_base, gws_size;
63 uint32_t oa_base, oa_size;
64 uint64_t generation;
65
66 /* user fence handling */
67 uint64_t uf_addr;
68 uint64_t uf_sequence;
69
70 /* virtual addresses for shadow/GDS/CSA */
71 uint64_t shadow_va;
72 uint64_t csa_va;
73 uint64_t gds_va;
74 bool init_shadow;
75
76 /* job_run_counter >= 1 means a resubmit job */
77 uint32_t job_run_counter;
78
79 uint32_t num_ibs;
80 struct amdgpu_ib ibs[];
81};
82
83static inline struct amdgpu_ring *amdgpu_job_ring(struct amdgpu_job *job)
84{
85 return to_amdgpu_ring(job->base.entity->rq->sched);
86}
87
88int amdgpu_job_alloc(struct amdgpu_device *adev, struct amdgpu_vm *vm,
89 struct drm_sched_entity *entity, void *owner,
90 unsigned int num_ibs, struct amdgpu_job **job);
91int amdgpu_job_alloc_with_ib(struct amdgpu_device *adev,
92 struct drm_sched_entity *entity, void *owner,
93 size_t size, enum amdgpu_ib_pool_type pool_type,
94 struct amdgpu_job **job);
95void amdgpu_job_set_resources(struct amdgpu_job *job, struct amdgpu_bo *gds,
96 struct amdgpu_bo *gws, struct amdgpu_bo *oa);
97void amdgpu_job_free_resources(struct amdgpu_job *job);
98void amdgpu_job_set_gang_leader(struct amdgpu_job *job,
99 struct amdgpu_job *leader);
100void amdgpu_job_free(struct amdgpu_job *job);
101struct dma_fence *amdgpu_job_submit(struct amdgpu_job *job);
102int amdgpu_job_submit_direct(struct amdgpu_job *job, struct amdgpu_ring *ring,
103 struct dma_fence **fence);
104
105void amdgpu_job_stop_all_jobs_on_sched(struct drm_gpu_scheduler *sched);
106
107#endif
108

source code of linux/drivers/gpu/drm/amd/amdgpu/amdgpu_job.h