xref: /openbmc/linux/drivers/gpu/drm/amd/amdgpu/amdgpu_mes_ctx.h (revision 4f2c0a4acffbec01079c28f839422e64ddeff004)
1  /*
2   * Copyright 2019 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  
24  #ifndef __AMDGPU_MES_CTX_H__
25  #define __AMDGPU_MES_CTX_H__
26  
27  #include "v10_structs.h"
28  
29  enum {
30  	AMDGPU_MES_CTX_RPTR_OFFS = 0,
31  	AMDGPU_MES_CTX_WPTR_OFFS,
32  	AMDGPU_MES_CTX_FENCE_OFFS,
33  	AMDGPU_MES_CTX_COND_EXE_OFFS,
34  	AMDGPU_MES_CTX_TRAIL_FENCE_OFFS,
35  	AMDGPU_MES_CTX_MAX_OFFS,
36  };
37  
38  enum {
39  	AMDGPU_MES_CTX_RING_OFFS = AMDGPU_MES_CTX_MAX_OFFS,
40  	AMDGPU_MES_CTX_IB_OFFS,
41  	AMDGPU_MES_CTX_PADDING_OFFS,
42  };
43  
44  #define AMDGPU_MES_CTX_MAX_GFX_RINGS            1
45  #define AMDGPU_MES_CTX_MAX_COMPUTE_RINGS        4
46  #define AMDGPU_MES_CTX_MAX_SDMA_RINGS           2
47  #define AMDGPU_MES_CTX_MAX_RINGS					\
48  	(AMDGPU_MES_CTX_MAX_GFX_RINGS +					\
49  	 AMDGPU_MES_CTX_MAX_COMPUTE_RINGS +				\
50  	 AMDGPU_MES_CTX_MAX_SDMA_RINGS)
51  
52  #define AMDGPU_CSA_SDMA_SIZE    64
53  #define GFX10_MEC_HPD_SIZE	2048
54  
55  struct amdgpu_wb_slot {
56  	uint32_t data[8];
57  };
58  
59  struct amdgpu_mes_ctx_meta_data {
60  	struct {
61  		uint8_t ring[PAGE_SIZE * 4];
62  
63  		/* gfx csa */
64  		struct v10_gfx_meta_data gfx_meta_data;
65  
66  		uint8_t gds_backup[64 * 1024];
67  
68  		struct amdgpu_wb_slot slots[AMDGPU_MES_CTX_MAX_OFFS];
69  
70  		/* only for ib test */
71  		uint32_t ib[256] __aligned(256);
72  
73  		uint32_t padding[64];
74  
75  	} __aligned(PAGE_SIZE) gfx[AMDGPU_MES_CTX_MAX_GFX_RINGS];
76  
77  	struct {
78  		uint8_t ring[PAGE_SIZE * 4];
79  
80  		uint8_t mec_hpd[GFX10_MEC_HPD_SIZE];
81  
82  		struct amdgpu_wb_slot slots[AMDGPU_MES_CTX_MAX_OFFS];
83  
84  		/* only for ib test */
85  		uint32_t ib[256] __aligned(256);
86  
87  		uint32_t padding[64];
88  
89  	} __aligned(PAGE_SIZE) compute[AMDGPU_MES_CTX_MAX_COMPUTE_RINGS];
90  
91  	struct {
92  		uint8_t ring[PAGE_SIZE * 4];
93  
94  		/* sdma csa for mcbp */
95  		uint8_t sdma_meta_data[AMDGPU_CSA_SDMA_SIZE];
96  
97  		struct amdgpu_wb_slot slots[AMDGPU_MES_CTX_MAX_OFFS];
98  
99  		/* only for ib test */
100  		uint32_t ib[256] __aligned(256);
101  
102  		uint32_t padding[64];
103  
104  	} __aligned(PAGE_SIZE) sdma[AMDGPU_MES_CTX_MAX_SDMA_RINGS];
105  };
106  
107  struct amdgpu_mes_ctx_data {
108  	struct amdgpu_bo	*meta_data_obj;
109  	uint64_t                meta_data_gpu_addr;
110  	uint64_t                meta_data_mc_addr;
111  	struct amdgpu_bo_va	*meta_data_va;
112  	void                    *meta_data_ptr;
113  	uint32_t                gang_ids[AMDGPU_HW_IP_DMA+1];
114  };
115  
116  #define AMDGPU_FENCE_MES_QUEUE_FLAG     0x1000000u
117  #define AMDGPU_FENCE_MES_QUEUE_ID_MASK  (AMDGPU_FENCE_MES_QUEUE_FLAG - 1)
118  
119  #define AMDGPU_FENCE_MES_QUEUE_FLAG     0x1000000u
120  #define AMDGPU_FENCE_MES_QUEUE_ID_MASK  (AMDGPU_FENCE_MES_QUEUE_FLAG - 1)
121  
122  #endif
123