1/*
2 * Copyright 2020 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#include "amdgpu.h"
23#include "amdgpu_amdkfd.h"
24#include "amdgpu_amdkfd_arcturus.h"
25#include "amdgpu_amdkfd_gfx_v9.h"
26#include "amdgpu_amdkfd_aldebaran.h"
27#include "gc/gc_9_4_2_offset.h"
28#include "gc/gc_9_4_2_sh_mask.h"
29#include <uapi/linux/kfd_ioctl.h>
30
31/*
32 * Returns TRAP_EN, EXCP_EN and EXCP_REPLACE.
33 *
34 * restore_dbg_registers is ignored here but is a general interface requirement
35 * for devices that support GFXOFF and where the RLC save/restore list
36 * does not support hw registers for debugging i.e. the driver has to manually
37 * initialize the debug mode registers after it has disabled GFX off during the
38 * debug session.
39 */
40uint32_t kgd_aldebaran_enable_debug_trap(struct amdgpu_device *adev,
41 bool restore_dbg_registers,
42 uint32_t vmid)
43{
44 uint32_t data = 0;
45
46 data = REG_SET_FIELD(data, SPI_GDBG_PER_VMID_CNTL, TRAP_EN, 1);
47 data = REG_SET_FIELD(data, SPI_GDBG_PER_VMID_CNTL, EXCP_EN, 0);
48 data = REG_SET_FIELD(data, SPI_GDBG_PER_VMID_CNTL, EXCP_REPLACE, 0);
49
50 return data;
51}
52
53/* returns TRAP_EN, EXCP_EN and EXCP_REPLACE. */
54static uint32_t kgd_aldebaran_disable_debug_trap(struct amdgpu_device *adev,
55 bool keep_trap_enabled,
56 uint32_t vmid)
57{
58 uint32_t data = 0;
59
60 data = REG_SET_FIELD(data, SPI_GDBG_PER_VMID_CNTL, TRAP_EN, keep_trap_enabled);
61 data = REG_SET_FIELD(data, SPI_GDBG_PER_VMID_CNTL, EXCP_EN, 0);
62 data = REG_SET_FIELD(data, SPI_GDBG_PER_VMID_CNTL, EXCP_REPLACE, 0);
63
64 return data;
65}
66
67static int kgd_aldebaran_validate_trap_override_request(struct amdgpu_device *adev,
68 uint32_t trap_override,
69 uint32_t *trap_mask_supported)
70{
71 *trap_mask_supported &= KFD_DBG_TRAP_MASK_FP_INVALID |
72 KFD_DBG_TRAP_MASK_FP_INPUT_DENORMAL |
73 KFD_DBG_TRAP_MASK_FP_DIVIDE_BY_ZERO |
74 KFD_DBG_TRAP_MASK_FP_OVERFLOW |
75 KFD_DBG_TRAP_MASK_FP_UNDERFLOW |
76 KFD_DBG_TRAP_MASK_FP_INEXACT |
77 KFD_DBG_TRAP_MASK_INT_DIVIDE_BY_ZERO |
78 KFD_DBG_TRAP_MASK_DBG_ADDRESS_WATCH |
79 KFD_DBG_TRAP_MASK_DBG_MEMORY_VIOLATION;
80
81 if (trap_override != KFD_DBG_TRAP_OVERRIDE_OR &&
82 trap_override != KFD_DBG_TRAP_OVERRIDE_REPLACE)
83 return -EPERM;
84
85 return 0;
86}
87
88/* returns TRAP_EN, EXCP_EN and EXCP_RPLACE. */
89static uint32_t kgd_aldebaran_set_wave_launch_trap_override(struct amdgpu_device *adev,
90 uint32_t vmid,
91 uint32_t trap_override,
92 uint32_t trap_mask_bits,
93 uint32_t trap_mask_request,
94 uint32_t *trap_mask_prev,
95 uint32_t kfd_dbg_trap_cntl_prev)
96
97{
98 uint32_t data = 0;
99
100 *trap_mask_prev = REG_GET_FIELD(kfd_dbg_trap_cntl_prev, SPI_GDBG_PER_VMID_CNTL, EXCP_EN);
101 trap_mask_bits = (trap_mask_bits & trap_mask_request) |
102 (*trap_mask_prev & ~trap_mask_request);
103
104 data = REG_SET_FIELD(data, SPI_GDBG_PER_VMID_CNTL, TRAP_EN, 1);
105 data = REG_SET_FIELD(data, SPI_GDBG_PER_VMID_CNTL, EXCP_EN, trap_mask_bits);
106 data = REG_SET_FIELD(data, SPI_GDBG_PER_VMID_CNTL, EXCP_REPLACE, trap_override);
107
108 return data;
109}
110
111uint32_t kgd_aldebaran_set_wave_launch_mode(struct amdgpu_device *adev,
112 uint8_t wave_launch_mode,
113 uint32_t vmid)
114{
115 uint32_t data = 0;
116
117 data = REG_SET_FIELD(data, SPI_GDBG_PER_VMID_CNTL, LAUNCH_MODE, wave_launch_mode);
118
119 return data;
120}
121
122#define TCP_WATCH_STRIDE (regTCP_WATCH1_ADDR_H - regTCP_WATCH0_ADDR_H)
123static uint32_t kgd_gfx_aldebaran_set_address_watch(
124 struct amdgpu_device *adev,
125 uint64_t watch_address,
126 uint32_t watch_address_mask,
127 uint32_t watch_id,
128 uint32_t watch_mode,
129 uint32_t debug_vmid,
130 uint32_t inst)
131{
132 uint32_t watch_address_high;
133 uint32_t watch_address_low;
134 uint32_t watch_address_cntl;
135
136 watch_address_cntl = 0;
137 watch_address_low = lower_32_bits(watch_address);
138 watch_address_high = upper_32_bits(watch_address) & 0xffff;
139
140 watch_address_cntl = REG_SET_FIELD(watch_address_cntl,
141 TCP_WATCH0_CNTL,
142 MODE,
143 watch_mode);
144
145 watch_address_cntl = REG_SET_FIELD(watch_address_cntl,
146 TCP_WATCH0_CNTL,
147 MASK,
148 watch_address_mask >> 6);
149
150 watch_address_cntl = REG_SET_FIELD(watch_address_cntl,
151 TCP_WATCH0_CNTL,
152 VALID,
153 1);
154
155 WREG32_RLC((SOC15_REG_OFFSET(GC, 0, regTCP_WATCH0_ADDR_H) +
156 (watch_id * TCP_WATCH_STRIDE)),
157 watch_address_high);
158
159 WREG32_RLC((SOC15_REG_OFFSET(GC, 0, regTCP_WATCH0_ADDR_L) +
160 (watch_id * TCP_WATCH_STRIDE)),
161 watch_address_low);
162
163 return watch_address_cntl;
164}
165
166const struct kfd2kgd_calls aldebaran_kfd2kgd = {
167 .program_sh_mem_settings = kgd_gfx_v9_program_sh_mem_settings,
168 .set_pasid_vmid_mapping = kgd_gfx_v9_set_pasid_vmid_mapping,
169 .init_interrupts = kgd_gfx_v9_init_interrupts,
170 .hqd_load = kgd_gfx_v9_hqd_load,
171 .hiq_mqd_load = kgd_gfx_v9_hiq_mqd_load,
172 .hqd_sdma_load = kgd_arcturus_hqd_sdma_load,
173 .hqd_dump = kgd_gfx_v9_hqd_dump,
174 .hqd_sdma_dump = kgd_arcturus_hqd_sdma_dump,
175 .hqd_is_occupied = kgd_gfx_v9_hqd_is_occupied,
176 .hqd_sdma_is_occupied = kgd_arcturus_hqd_sdma_is_occupied,
177 .hqd_destroy = kgd_gfx_v9_hqd_destroy,
178 .hqd_sdma_destroy = kgd_arcturus_hqd_sdma_destroy,
179 .wave_control_execute = kgd_gfx_v9_wave_control_execute,
180 .get_atc_vmid_pasid_mapping_info =
181 kgd_gfx_v9_get_atc_vmid_pasid_mapping_info,
182 .set_vm_context_page_table_base = kgd_gfx_v9_set_vm_context_page_table_base,
183 .get_cu_occupancy = kgd_gfx_v9_get_cu_occupancy,
184 .enable_debug_trap = kgd_aldebaran_enable_debug_trap,
185 .disable_debug_trap = kgd_aldebaran_disable_debug_trap,
186 .validate_trap_override_request = kgd_aldebaran_validate_trap_override_request,
187 .set_wave_launch_trap_override = kgd_aldebaran_set_wave_launch_trap_override,
188 .set_wave_launch_mode = kgd_aldebaran_set_wave_launch_mode,
189 .set_address_watch = kgd_gfx_aldebaran_set_address_watch,
190 .clear_address_watch = kgd_gfx_v9_clear_address_watch,
191 .get_iq_wait_times = kgd_gfx_v9_get_iq_wait_times,
192 .build_dequeue_wait_counts_packet_info = kgd_gfx_v9_build_dequeue_wait_counts_packet_info,
193 .program_trap_handler_settings = kgd_gfx_v9_program_trap_handler_settings,
194 .hqd_get_pq_addr = kgd_gfx_v9_hqd_get_pq_addr,
195 .hqd_reset = kgd_gfx_v9_hqd_reset,
196 .hqd_sdma_get_doorbell = kgd_gfx_v9_hqd_sdma_get_doorbell
197};
198

source code of linux/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_aldebaran.c