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 
33 #define to_amdgpu_job(sched_job)		\
34 		container_of((sched_job), struct amdgpu_job, base)
35 
36 struct amdgpu_fence;
37 
38 struct amdgpu_job {
39 	struct drm_sched_job    base;
40 	struct amdgpu_vm	*vm;
41 	struct amdgpu_sync	sync;
42 	struct amdgpu_sync	sched_sync;
43 	struct amdgpu_ib	*ibs;
44 	struct dma_fence	*fence; /* the hw fence */
45 	uint32_t		preamble_status;
46 	uint32_t		num_ibs;
47 	void			*owner;
48 	bool                    vm_needs_flush;
49 	uint64_t		vm_pd_addr;
50 	unsigned		vmid;
51 	unsigned		pasid;
52 	uint32_t		gds_base, gds_size;
53 	uint32_t		gws_base, gws_size;
54 	uint32_t		oa_base, oa_size;
55 	uint32_t		vram_lost_counter;
56 
57 	/* user fence handling */
58 	uint64_t		uf_addr;
59 	uint64_t		uf_sequence;
60 
61 };
62 
63 int amdgpu_job_alloc(struct amdgpu_device *adev, unsigned num_ibs,
64 		     struct amdgpu_job **job, struct amdgpu_vm *vm);
65 int amdgpu_job_alloc_with_ib(struct amdgpu_device *adev, unsigned size,
66 			     struct amdgpu_job **job);
67 
68 void amdgpu_job_free_resources(struct amdgpu_job *job);
69 void amdgpu_job_free(struct amdgpu_job *job);
70 int amdgpu_job_submit(struct amdgpu_job *job, struct drm_sched_entity *entity,
71 		      void *owner, struct dma_fence **f);
72 int amdgpu_job_submit_direct(struct amdgpu_job *job, struct amdgpu_ring *ring,
73 			     struct dma_fence **fence);
74 #endif
75