xref: /openbsd/sys/dev/pci/drm/amd/amdgpu/amdgpu_sdma.h (revision f005ef32)
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 
24 #ifndef __AMDGPU_SDMA_H__
25 #define __AMDGPU_SDMA_H__
26 #include "amdgpu_ras.h"
27 
28 /* max number of IP instances */
29 #define AMDGPU_MAX_SDMA_INSTANCES		16
30 
31 enum amdgpu_sdma_irq {
32 	AMDGPU_SDMA_IRQ_INSTANCE0  = 0,
33 	AMDGPU_SDMA_IRQ_INSTANCE1,
34 	AMDGPU_SDMA_IRQ_INSTANCE2,
35 	AMDGPU_SDMA_IRQ_INSTANCE3,
36 	AMDGPU_SDMA_IRQ_INSTANCE4,
37 	AMDGPU_SDMA_IRQ_INSTANCE5,
38 	AMDGPU_SDMA_IRQ_INSTANCE6,
39 	AMDGPU_SDMA_IRQ_INSTANCE7,
40 	AMDGPU_SDMA_IRQ_INSTANCE8,
41 	AMDGPU_SDMA_IRQ_INSTANCE9,
42 	AMDGPU_SDMA_IRQ_INSTANCE10,
43 	AMDGPU_SDMA_IRQ_INSTANCE11,
44 	AMDGPU_SDMA_IRQ_INSTANCE12,
45 	AMDGPU_SDMA_IRQ_INSTANCE13,
46 	AMDGPU_SDMA_IRQ_INSTANCE14,
47 	AMDGPU_SDMA_IRQ_INSTANCE15,
48 	AMDGPU_SDMA_IRQ_LAST
49 };
50 
51 #define NUM_SDMA(x) hweight32(x)
52 
53 struct amdgpu_sdma_instance {
54 	/* SDMA firmware */
55 	const struct firmware	*fw;
56 	uint32_t		fw_version;
57 	uint32_t		feature_version;
58 
59 	struct amdgpu_ring	ring;
60 	struct amdgpu_ring	page;
61 	bool			burst_nop;
62 	uint32_t		aid_id;
63 };
64 
65 enum amdgpu_sdma_ras_memory_id {
66 	AMDGPU_SDMA_MBANK_DATA_BUF0 = 1,
67 	AMDGPU_SDMA_MBANK_DATA_BUF1 = 2,
68 	AMDGPU_SDMA_MBANK_DATA_BUF2 = 3,
69 	AMDGPU_SDMA_MBANK_DATA_BUF3 = 4,
70 	AMDGPU_SDMA_MBANK_DATA_BUF4 = 5,
71 	AMDGPU_SDMA_MBANK_DATA_BUF5 = 6,
72 	AMDGPU_SDMA_MBANK_DATA_BUF6 = 7,
73 	AMDGPU_SDMA_MBANK_DATA_BUF7 = 8,
74 	AMDGPU_SDMA_MBANK_DATA_BUF8 = 9,
75 	AMDGPU_SDMA_MBANK_DATA_BUF9 = 10,
76 	AMDGPU_SDMA_MBANK_DATA_BUF10 = 11,
77 	AMDGPU_SDMA_MBANK_DATA_BUF11 = 12,
78 	AMDGPU_SDMA_MBANK_DATA_BUF12 = 13,
79 	AMDGPU_SDMA_MBANK_DATA_BUF13 = 14,
80 	AMDGPU_SDMA_MBANK_DATA_BUF14 = 15,
81 	AMDGPU_SDMA_MBANK_DATA_BUF15 = 16,
82 	AMDGPU_SDMA_UCODE_BUF = 17,
83 	AMDGPU_SDMA_RB_CMD_BUF = 18,
84 	AMDGPU_SDMA_IB_CMD_BUF = 19,
85 	AMDGPU_SDMA_UTCL1_RD_FIFO = 20,
86 	AMDGPU_SDMA_UTCL1_RDBST_FIFO = 21,
87 	AMDGPU_SDMA_UTCL1_WR_FIFO = 22,
88 	AMDGPU_SDMA_DATA_LUT_FIFO = 23,
89 	AMDGPU_SDMA_SPLIT_DAT_BUF = 24,
90 	AMDGPU_SDMA_MEMORY_BLOCK_LAST,
91 };
92 
93 struct amdgpu_sdma_ras {
94 	struct amdgpu_ras_block_object ras_block;
95 };
96 
97 struct amdgpu_sdma {
98 	struct amdgpu_sdma_instance instance[AMDGPU_MAX_SDMA_INSTANCES];
99 	struct amdgpu_irq_src	trap_irq;
100 	struct amdgpu_irq_src	illegal_inst_irq;
101 	struct amdgpu_irq_src	ecc_irq;
102 	struct amdgpu_irq_src	vm_hole_irq;
103 	struct amdgpu_irq_src	doorbell_invalid_irq;
104 	struct amdgpu_irq_src	pool_timeout_irq;
105 	struct amdgpu_irq_src	srbm_write_irq;
106 
107 	int			num_instances;
108 	uint32_t 		sdma_mask;
109 	int			num_inst_per_aid;
110 	uint32_t                    srbm_soft_reset;
111 	bool			has_page_queue;
112 	struct ras_common_if	*ras_if;
113 	struct amdgpu_sdma_ras	*ras;
114 };
115 
116 /*
117  * Provided by hw blocks that can move/clear data.  e.g., gfx or sdma
118  * But currently, we use sdma to move data.
119  */
120 struct amdgpu_buffer_funcs {
121 	/* maximum bytes in a single operation */
122 	uint32_t	copy_max_bytes;
123 
124 	/* number of dw to reserve per operation */
125 	unsigned	copy_num_dw;
126 
127 	/* used for buffer migration */
128 	void (*emit_copy_buffer)(struct amdgpu_ib *ib,
129 				 /* src addr in bytes */
130 				 uint64_t src_offset,
131 				 /* dst addr in bytes */
132 				 uint64_t dst_offset,
133 				 /* number of byte to transfer */
134 				 uint32_t byte_count,
135 				 bool tmz);
136 
137 	/* maximum bytes in a single operation */
138 	uint32_t	fill_max_bytes;
139 
140 	/* number of dw to reserve per operation */
141 	unsigned	fill_num_dw;
142 
143 	/* used for buffer clearing */
144 	void (*emit_fill_buffer)(struct amdgpu_ib *ib,
145 				 /* value to write to memory */
146 				 uint32_t src_data,
147 				 /* dst addr in bytes */
148 				 uint64_t dst_offset,
149 				 /* number of byte to fill */
150 				 uint32_t byte_count);
151 };
152 
153 #define amdgpu_emit_copy_buffer(adev, ib, s, d, b, t) (adev)->mman.buffer_funcs->emit_copy_buffer((ib),  (s), (d), (b), (t))
154 #define amdgpu_emit_fill_buffer(adev, ib, s, d, b) (adev)->mman.buffer_funcs->emit_fill_buffer((ib), (s), (d), (b))
155 
156 struct amdgpu_sdma_instance *
157 amdgpu_sdma_get_instance_from_ring(struct amdgpu_ring *ring);
158 int amdgpu_sdma_get_index_from_ring(struct amdgpu_ring *ring, uint32_t *index);
159 uint64_t amdgpu_sdma_get_csa_mc_addr(struct amdgpu_ring *ring, unsigned vmid);
160 int amdgpu_sdma_ras_late_init(struct amdgpu_device *adev,
161 			      struct ras_common_if *ras_block);
162 int amdgpu_sdma_process_ras_data_cb(struct amdgpu_device *adev,
163 		void *err_data,
164 		struct amdgpu_iv_entry *entry);
165 int amdgpu_sdma_process_ecc_irq(struct amdgpu_device *adev,
166 				      struct amdgpu_irq_src *source,
167 				      struct amdgpu_iv_entry *entry);
168 int amdgpu_sdma_init_microcode(struct amdgpu_device *adev, u32 instance,
169 			       bool duplicate);
170 void amdgpu_sdma_destroy_inst_ctx(struct amdgpu_device *adev,
171         bool duplicate);
172 void amdgpu_sdma_unset_buffer_funcs_helper(struct amdgpu_device *adev);
173 int amdgpu_sdma_ras_sw_init(struct amdgpu_device *adev);
174 
175 #endif
176