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  	struct amdgpu_bo	*sdma_fw_obj;
65  	uint64_t		sdma_fw_gpu_addr;
66  	uint32_t		*sdma_fw_ptr;
67  };
68  
69  enum amdgpu_sdma_ras_memory_id {
70  	AMDGPU_SDMA_MBANK_DATA_BUF0 = 1,
71  	AMDGPU_SDMA_MBANK_DATA_BUF1 = 2,
72  	AMDGPU_SDMA_MBANK_DATA_BUF2 = 3,
73  	AMDGPU_SDMA_MBANK_DATA_BUF3 = 4,
74  	AMDGPU_SDMA_MBANK_DATA_BUF4 = 5,
75  	AMDGPU_SDMA_MBANK_DATA_BUF5 = 6,
76  	AMDGPU_SDMA_MBANK_DATA_BUF6 = 7,
77  	AMDGPU_SDMA_MBANK_DATA_BUF7 = 8,
78  	AMDGPU_SDMA_MBANK_DATA_BUF8 = 9,
79  	AMDGPU_SDMA_MBANK_DATA_BUF9 = 10,
80  	AMDGPU_SDMA_MBANK_DATA_BUF10 = 11,
81  	AMDGPU_SDMA_MBANK_DATA_BUF11 = 12,
82  	AMDGPU_SDMA_MBANK_DATA_BUF12 = 13,
83  	AMDGPU_SDMA_MBANK_DATA_BUF13 = 14,
84  	AMDGPU_SDMA_MBANK_DATA_BUF14 = 15,
85  	AMDGPU_SDMA_MBANK_DATA_BUF15 = 16,
86  	AMDGPU_SDMA_UCODE_BUF = 17,
87  	AMDGPU_SDMA_RB_CMD_BUF = 18,
88  	AMDGPU_SDMA_IB_CMD_BUF = 19,
89  	AMDGPU_SDMA_UTCL1_RD_FIFO = 20,
90  	AMDGPU_SDMA_UTCL1_RDBST_FIFO = 21,
91  	AMDGPU_SDMA_UTCL1_WR_FIFO = 22,
92  	AMDGPU_SDMA_DATA_LUT_FIFO = 23,
93  	AMDGPU_SDMA_SPLIT_DAT_BUF = 24,
94  	AMDGPU_SDMA_MEMORY_BLOCK_LAST,
95  };
96  
97  struct amdgpu_sdma_ras {
98  	struct amdgpu_ras_block_object ras_block;
99  };
100  
101  struct amdgpu_sdma {
102  	struct amdgpu_sdma_instance instance[AMDGPU_MAX_SDMA_INSTANCES];
103  	struct amdgpu_irq_src	trap_irq;
104  	struct amdgpu_irq_src	illegal_inst_irq;
105  	struct amdgpu_irq_src	ecc_irq;
106  	struct amdgpu_irq_src	vm_hole_irq;
107  	struct amdgpu_irq_src	doorbell_invalid_irq;
108  	struct amdgpu_irq_src	pool_timeout_irq;
109  	struct amdgpu_irq_src	srbm_write_irq;
110  
111  	int			num_instances;
112  	uint32_t 		sdma_mask;
113  	int			num_inst_per_aid;
114  	uint32_t                    srbm_soft_reset;
115  	bool			has_page_queue;
116  	struct ras_common_if	*ras_if;
117  	struct amdgpu_sdma_ras	*ras;
118  	uint32_t		*ip_dump;
119  };
120  
121  /*
122   * Provided by hw blocks that can move/clear data.  e.g., gfx or sdma
123   * But currently, we use sdma to move data.
124   */
125  struct amdgpu_buffer_funcs {
126  	/* maximum bytes in a single operation */
127  	uint32_t	copy_max_bytes;
128  
129  	/* number of dw to reserve per operation */
130  	unsigned	copy_num_dw;
131  
132  	/* used for buffer migration */
133  	void (*emit_copy_buffer)(struct amdgpu_ib *ib,
134  				 /* src addr in bytes */
135  				 uint64_t src_offset,
136  				 /* dst addr in bytes */
137  				 uint64_t dst_offset,
138  				 /* number of byte to transfer */
139  				 uint32_t byte_count,
140  				 uint32_t copy_flags);
141  
142  	/* maximum bytes in a single operation */
143  	uint32_t	fill_max_bytes;
144  
145  	/* number of dw to reserve per operation */
146  	unsigned	fill_num_dw;
147  
148  	/* used for buffer clearing */
149  	void (*emit_fill_buffer)(struct amdgpu_ib *ib,
150  				 /* value to write to memory */
151  				 uint32_t src_data,
152  				 /* dst addr in bytes */
153  				 uint64_t dst_offset,
154  				 /* number of byte to fill */
155  				 uint32_t byte_count);
156  };
157  
158  #define amdgpu_emit_copy_buffer(adev, ib, s, d, b, t) (adev)->mman.buffer_funcs->emit_copy_buffer((ib),  (s), (d), (b), (t))
159  #define amdgpu_emit_fill_buffer(adev, ib, s, d, b) (adev)->mman.buffer_funcs->emit_fill_buffer((ib), (s), (d), (b))
160  
161  struct amdgpu_sdma_instance *
162  amdgpu_sdma_get_instance_from_ring(struct amdgpu_ring *ring);
163  int amdgpu_sdma_get_index_from_ring(struct amdgpu_ring *ring, uint32_t *index);
164  uint64_t amdgpu_sdma_get_csa_mc_addr(struct amdgpu_ring *ring, unsigned vmid);
165  int amdgpu_sdma_ras_late_init(struct amdgpu_device *adev,
166  			      struct ras_common_if *ras_block);
167  int amdgpu_sdma_process_ras_data_cb(struct amdgpu_device *adev,
168  		void *err_data,
169  		struct amdgpu_iv_entry *entry);
170  int amdgpu_sdma_process_ecc_irq(struct amdgpu_device *adev,
171  				      struct amdgpu_irq_src *source,
172  				      struct amdgpu_iv_entry *entry);
173  int amdgpu_sdma_init_microcode(struct amdgpu_device *adev, u32 instance,
174  			       bool duplicate);
175  void amdgpu_sdma_destroy_inst_ctx(struct amdgpu_device *adev,
176          bool duplicate);
177  int amdgpu_sdma_ras_sw_init(struct amdgpu_device *adev);
178  
179  #endif
180