2 * Copyright 2018 Advanced Micro Devices, Inc.
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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.
24 #ifndef __AMDGPU_SDMA_H__
25 #define __AMDGPU_SDMA_H__
26 #include "amdgpu_ras.h"
28 /* max number of IP instances */
29 #define AMDGPU_MAX_SDMA_INSTANCES 16
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,
51 #define NUM_SDMA(x) hweight32(x)
53 struct amdgpu_sdma_instance {
55 const struct firmware *fw;
57 uint32_t feature_version;
59 struct amdgpu_ring ring;
60 struct amdgpu_ring page;
65 struct amdgpu_sdma_ras {
66 struct amdgpu_ras_block_object ras_block;
70 struct amdgpu_sdma_instance instance[AMDGPU_MAX_SDMA_INSTANCES];
71 struct amdgpu_irq_src trap_irq;
72 struct amdgpu_irq_src illegal_inst_irq;
73 struct amdgpu_irq_src ecc_irq;
74 struct amdgpu_irq_src vm_hole_irq;
75 struct amdgpu_irq_src doorbell_invalid_irq;
76 struct amdgpu_irq_src pool_timeout_irq;
77 struct amdgpu_irq_src srbm_write_irq;
82 uint32_t srbm_soft_reset;
84 struct ras_common_if *ras_if;
85 struct amdgpu_sdma_ras *ras;
89 * Provided by hw blocks that can move/clear data. e.g., gfx or sdma
90 * But currently, we use sdma to move data.
92 struct amdgpu_buffer_funcs {
93 /* maximum bytes in a single operation */
94 uint32_t copy_max_bytes;
96 /* number of dw to reserve per operation */
99 /* used for buffer migration */
100 void (*emit_copy_buffer)(struct amdgpu_ib *ib,
101 /* src addr in bytes */
103 /* dst addr in bytes */
105 /* number of byte to transfer */
109 /* maximum bytes in a single operation */
110 uint32_t fill_max_bytes;
112 /* number of dw to reserve per operation */
113 unsigned fill_num_dw;
115 /* used for buffer clearing */
116 void (*emit_fill_buffer)(struct amdgpu_ib *ib,
117 /* value to write to memory */
119 /* dst addr in bytes */
121 /* number of byte to fill */
122 uint32_t byte_count);
125 #define amdgpu_emit_copy_buffer(adev, ib, s, d, b, t) (adev)->mman.buffer_funcs->emit_copy_buffer((ib), (s), (d), (b), (t))
126 #define amdgpu_emit_fill_buffer(adev, ib, s, d, b) (adev)->mman.buffer_funcs->emit_fill_buffer((ib), (s), (d), (b))
128 struct amdgpu_sdma_instance *
129 amdgpu_sdma_get_instance_from_ring(struct amdgpu_ring *ring);
130 int amdgpu_sdma_get_index_from_ring(struct amdgpu_ring *ring, uint32_t *index);
131 uint64_t amdgpu_sdma_get_csa_mc_addr(struct amdgpu_ring *ring, unsigned vmid);
132 int amdgpu_sdma_ras_late_init(struct amdgpu_device *adev,
133 struct ras_common_if *ras_block);
134 int amdgpu_sdma_process_ras_data_cb(struct amdgpu_device *adev,
136 struct amdgpu_iv_entry *entry);
137 int amdgpu_sdma_process_ecc_irq(struct amdgpu_device *adev,
138 struct amdgpu_irq_src *source,
139 struct amdgpu_iv_entry *entry);
140 int amdgpu_sdma_init_microcode(struct amdgpu_device *adev, u32 instance,
142 void amdgpu_sdma_destroy_inst_ctx(struct amdgpu_device *adev,
144 void amdgpu_sdma_unset_buffer_funcs_helper(struct amdgpu_device *adev);
145 int amdgpu_sdma_ras_sw_init(struct amdgpu_device *adev);