1/*
2 * Copyright 2023 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#include "amdgpu.h"
25#include "gfxhub_v11_5_0.h"
26
27#include "gc/gc_11_5_0_offset.h"
28#include "gc/gc_11_5_0_sh_mask.h"
29
30#include "navi10_enum.h"
31#include "soc15_common.h"
32
33#define regGCVM_L2_CNTL3_DEFAULT 0x80100007
34#define regGCVM_L2_CNTL4_DEFAULT 0x000000c1
35#define regGCVM_L2_CNTL5_DEFAULT 0x00003fe0
36
37
38static const char *gfxhub_client_ids[] = {
39 "CB/DB",
40 "Reserved",
41 "GE1",
42 "GE2",
43 "CPF",
44 "CPC",
45 "CPG",
46 "RLC",
47 "TCP",
48 "SQC (inst)",
49 "SQC (data)",
50 "SQG",
51 "Reserved",
52 "SDMA0",
53 "SDMA1",
54 "GCR",
55 "SDMA2",
56 "SDMA3",
57};
58
59static uint32_t gfxhub_v11_5_0_get_invalidate_req(unsigned int vmid,
60 uint32_t flush_type)
61{
62 u32 req = 0;
63
64 /* invalidate using legacy mode on vmid*/
65 req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ,
66 PER_VMID_INVALIDATE_REQ, 1 << vmid);
67 req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, FLUSH_TYPE, flush_type);
68 req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PTES, 1);
69 req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE0, 1);
70 req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE1, 1);
71 req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE2, 1);
72 req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L1_PTES, 1);
73 req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ,
74 CLEAR_PROTECTION_FAULT_STATUS_ADDR, 0);
75
76 return req;
77}
78
79static void
80gfxhub_v11_5_0_print_l2_protection_fault_status(struct amdgpu_device *adev,
81 uint32_t status)
82{
83 u32 cid = REG_GET_FIELD(status,
84 GCVM_L2_PROTECTION_FAULT_STATUS, CID);
85
86 dev_err(adev->dev,
87 "GCVM_L2_PROTECTION_FAULT_STATUS:0x%08X\n",
88 status);
89 dev_err(adev->dev, "\t Faulty UTCL2 client ID: %s (0x%x)\n",
90 cid >= ARRAY_SIZE(gfxhub_client_ids) ? "unknown" : gfxhub_client_ids[cid],
91 cid);
92 dev_err(adev->dev, "\t MORE_FAULTS: 0x%lx\n",
93 REG_GET_FIELD(status,
94 GCVM_L2_PROTECTION_FAULT_STATUS, MORE_FAULTS));
95 dev_err(adev->dev, "\t WALKER_ERROR: 0x%lx\n",
96 REG_GET_FIELD(status,
97 GCVM_L2_PROTECTION_FAULT_STATUS, WALKER_ERROR));
98 dev_err(adev->dev, "\t PERMISSION_FAULTS: 0x%lx\n",
99 REG_GET_FIELD(status,
100 GCVM_L2_PROTECTION_FAULT_STATUS, PERMISSION_FAULTS));
101 dev_err(adev->dev, "\t MAPPING_ERROR: 0x%lx\n",
102 REG_GET_FIELD(status,
103 GCVM_L2_PROTECTION_FAULT_STATUS, MAPPING_ERROR));
104 dev_err(adev->dev, "\t RW: 0x%lx\n",
105 REG_GET_FIELD(status,
106 GCVM_L2_PROTECTION_FAULT_STATUS, RW));
107}
108
109static u64 gfxhub_v11_5_0_get_fb_location(struct amdgpu_device *adev)
110{
111 u64 base = RREG32_SOC15(GC, 0, regGCMC_VM_FB_LOCATION_BASE);
112
113 base &= GCMC_VM_FB_LOCATION_BASE__FB_BASE_MASK;
114 base <<= 24;
115
116 return base;
117}
118
119static u64 gfxhub_v11_5_0_get_mc_fb_offset(struct amdgpu_device *adev)
120{
121 return (u64)RREG32_SOC15(GC, 0, regGCMC_VM_FB_OFFSET) << 24;
122}
123
124static void gfxhub_v11_5_0_setup_vm_pt_regs(struct amdgpu_device *adev, uint32_t vmid,
125 uint64_t page_table_base)
126{
127 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB(0)];
128
129 WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32,
130 hub->ctx_addr_distance * vmid,
131 lower_32_bits(page_table_base));
132
133 WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32,
134 hub->ctx_addr_distance * vmid,
135 upper_32_bits(page_table_base));
136}
137
138static void gfxhub_v11_5_0_init_gart_aperture_regs(struct amdgpu_device *adev)
139{
140 uint64_t pt_base = amdgpu_gmc_pd_addr(bo: adev->gart.bo);
141
142 gfxhub_v11_5_0_setup_vm_pt_regs(adev, vmid: 0, page_table_base: pt_base);
143
144 WREG32_SOC15(GC, 0, regGCVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32,
145 (u32)(adev->gmc.gart_start >> 12));
146 WREG32_SOC15(GC, 0, regGCVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32,
147 (u32)(adev->gmc.gart_start >> 44));
148
149 WREG32_SOC15(GC, 0, regGCVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32,
150 (u32)(adev->gmc.gart_end >> 12));
151 WREG32_SOC15(GC, 0, regGCVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32,
152 (u32)(adev->gmc.gart_end >> 44));
153}
154
155static void gfxhub_v11_5_0_init_system_aperture_regs(struct amdgpu_device *adev)
156{
157 uint64_t value;
158
159 WREG32_SOC15(GC, 0, regGCMC_VM_AGP_BASE, 0);
160 WREG32_SOC15(GC, 0, regGCMC_VM_AGP_BOT, adev->gmc.agp_start >> 24);
161 WREG32_SOC15(GC, 0, regGCMC_VM_AGP_TOP, adev->gmc.agp_end >> 24);
162
163 /* Program the system aperture low logical page number. */
164 WREG32_SOC15(GC, 0, regGCMC_VM_SYSTEM_APERTURE_LOW_ADDR,
165 min(adev->gmc.fb_start, adev->gmc.agp_start) >> 18);
166
167 WREG32_SOC15(GC, 0, regGCMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
168 max(adev->gmc.fb_end, adev->gmc.agp_end) >> 18);
169
170 /* Set default page address. */
171 value = amdgpu_gmc_vram_mc2pa(adev, mc_addr: adev->mem_scratch.gpu_addr);
172 WREG32_SOC15(GC, 0, regGCMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB,
173 (u32)(value >> 12));
174 WREG32_SOC15(GC, 0, regGCMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB,
175 (u32)(value >> 44));
176
177 /* Program "protection fault". */
178 WREG32_SOC15(GC, 0, regGCVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32,
179 (u32)(adev->dummy_page_addr >> 12));
180 WREG32_SOC15(GC, 0, regGCVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32,
181 (u32)((u64)adev->dummy_page_addr >> 44));
182
183 WREG32_FIELD15_PREREG(GC, 0, GCVM_L2_PROTECTION_FAULT_CNTL2,
184 ACTIVE_PAGE_MIGRATION_PTE_READ_RETRY, 1);
185}
186
187static void gfxhub_v11_5_0_init_tlb_regs(struct amdgpu_device *adev)
188{
189 uint32_t tmp;
190
191 /* Setup TLB control */
192 tmp = RREG32_SOC15(GC, 0, regGCMC_VM_MX_L1_TLB_CNTL);
193
194 tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1);
195 tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE, 3);
196 tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL,
197 ENABLE_ADVANCED_DRIVER_MODEL, 1);
198 tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL,
199 SYSTEM_APERTURE_UNMAPPED_ACCESS, 0);
200 tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, ECO_BITS, 0);
201 tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL,
202 MTYPE, MTYPE_UC); /* UC, uncached */
203
204 WREG32_SOC15(GC, 0, regGCMC_VM_MX_L1_TLB_CNTL, tmp);
205}
206
207static void gfxhub_v11_5_0_init_cache_regs(struct amdgpu_device *adev)
208{
209 uint32_t tmp;
210
211 /* These registers are not accessible to VF-SRIOV.
212 * The PF will program them instead.
213 */
214 if (amdgpu_sriov_vf(adev))
215 return;
216
217 /* Setup L2 cache */
218 tmp = RREG32_SOC15(GC, 0, regGCVM_L2_CNTL);
219 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, ENABLE_L2_CACHE, 1);
220 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 0);
221 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL,
222 ENABLE_DEFAULT_PAGE_OUT_TO_SYSTEM_MEMORY, 1);
223 /* XXX for emulation, Refer to closed source code.*/
224 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL,
225 L2_PDE0_CACHE_TAG_GENERATION_MODE, 0);
226 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, PDE_FAULT_CLASSIFICATION, 0);
227 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, CONTEXT1_IDENTITY_ACCESS_MODE, 1);
228 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, IDENTITY_MODE_FRAGMENT_SIZE, 0);
229 WREG32_SOC15(GC, 0, regGCVM_L2_CNTL, tmp);
230
231 tmp = RREG32_SOC15(GC, 0, regGCVM_L2_CNTL2);
232 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1);
233 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL2, INVALIDATE_L2_CACHE, 1);
234 WREG32_SOC15(GC, 0, regGCVM_L2_CNTL2, tmp);
235
236 tmp = regGCVM_L2_CNTL3_DEFAULT;
237 if (adev->gmc.translate_further) {
238 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL3, BANK_SELECT, 12);
239 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL3,
240 L2_CACHE_BIGK_FRAGMENT_SIZE, 9);
241 } else {
242 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL3, BANK_SELECT, 9);
243 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL3,
244 L2_CACHE_BIGK_FRAGMENT_SIZE, 6);
245 }
246 WREG32_SOC15(GC, 0, regGCVM_L2_CNTL3, tmp);
247
248 tmp = regGCVM_L2_CNTL4_DEFAULT;
249 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL4, VMC_TAP_PDE_REQUEST_PHYSICAL, 0);
250 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL4, VMC_TAP_PTE_REQUEST_PHYSICAL, 0);
251 WREG32_SOC15(GC, 0, regGCVM_L2_CNTL4, tmp);
252
253 tmp = regGCVM_L2_CNTL5_DEFAULT;
254 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL5, L2_CACHE_SMALLK_FRAGMENT_SIZE, 0);
255 WREG32_SOC15(GC, 0, regGCVM_L2_CNTL5, tmp);
256}
257
258static void gfxhub_v11_5_0_enable_system_domain(struct amdgpu_device *adev)
259{
260 uint32_t tmp;
261
262 tmp = RREG32_SOC15(GC, 0, regGCVM_CONTEXT0_CNTL);
263 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1);
264 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0);
265 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT0_CNTL,
266 RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, 0);
267 WREG32_SOC15(GC, 0, regGCVM_CONTEXT0_CNTL, tmp);
268}
269
270static void gfxhub_v11_5_0_disable_identity_aperture(struct amdgpu_device *adev)
271{
272 /* These registers are not accessible to VF-SRIOV.
273 * The PF will program them instead.
274 */
275 if (amdgpu_sriov_vf(adev))
276 return;
277
278 WREG32_SOC15(GC, 0, regGCVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32,
279 0xFFFFFFFF);
280 WREG32_SOC15(GC, 0, regGCVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32,
281 0x0000000F);
282
283 WREG32_SOC15(GC, 0, regGCVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32,
284 0);
285 WREG32_SOC15(GC, 0, regGCVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32,
286 0);
287
288 WREG32_SOC15(GC, 0, regGCVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32, 0);
289 WREG32_SOC15(GC, 0, regGCVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32, 0);
290
291}
292
293static void gfxhub_v11_5_0_setup_vmid_config(struct amdgpu_device *adev)
294{
295 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB(0)];
296 int i;
297 uint32_t tmp;
298
299 for (i = 0; i <= 14; i++) {
300 tmp = RREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT1_CNTL, i * hub->ctx_distance);
301 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1);
302 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, PAGE_TABLE_DEPTH,
303 adev->vm_manager.num_level);
304 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
305 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
306 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
307 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
308 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
309 PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
310 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
311 VALID_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
312 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
313 READ_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
314 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
315 WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
316 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
317 EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
318 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
319 PAGE_TABLE_BLOCK_SIZE,
320 adev->vm_manager.block_size - 9);
321 /* Send no-retry XNACK on fault to suppress VM fault storm. */
322 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
323 RETRY_PERMISSION_OR_INVALID_PAGE_FAULT,
324 !amdgpu_noretry);
325 WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT1_CNTL,
326 i * hub->ctx_distance, tmp);
327 WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32,
328 i * hub->ctx_addr_distance, 0);
329 WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32,
330 i * hub->ctx_addr_distance, 0);
331 WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32,
332 i * hub->ctx_addr_distance,
333 lower_32_bits(adev->vm_manager.max_pfn - 1));
334 WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32,
335 i * hub->ctx_addr_distance,
336 upper_32_bits(adev->vm_manager.max_pfn - 1));
337 }
338
339 hub->vm_cntx_cntl = tmp;
340}
341
342static void gfxhub_v11_5_0_program_invalidation(struct amdgpu_device *adev)
343{
344 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB(0)];
345 unsigned i;
346
347 for (i = 0 ; i < 18; ++i) {
348 WREG32_SOC15_OFFSET(GC, 0, regGCVM_INVALIDATE_ENG0_ADDR_RANGE_LO32,
349 i * hub->eng_addr_distance, 0xffffffff);
350 WREG32_SOC15_OFFSET(GC, 0, regGCVM_INVALIDATE_ENG0_ADDR_RANGE_HI32,
351 i * hub->eng_addr_distance, 0x1f);
352 }
353}
354
355static int gfxhub_v11_5_0_gart_enable(struct amdgpu_device *adev)
356{
357 if (amdgpu_sriov_vf(adev)) {
358 /*
359 * GCMC_VM_FB_LOCATION_BASE/TOP is NULL for VF, becuase they are
360 * VF copy registers so vbios post doesn't program them, for
361 * SRIOV driver need to program them
362 */
363 WREG32_SOC15(GC, 0, regGCMC_VM_FB_LOCATION_BASE,
364 adev->gmc.vram_start >> 24);
365 WREG32_SOC15(GC, 0, regGCMC_VM_FB_LOCATION_TOP,
366 adev->gmc.vram_end >> 24);
367 }
368
369 /* GART Enable. */
370 gfxhub_v11_5_0_init_gart_aperture_regs(adev);
371 gfxhub_v11_5_0_init_system_aperture_regs(adev);
372 gfxhub_v11_5_0_init_tlb_regs(adev);
373 gfxhub_v11_5_0_init_cache_regs(adev);
374
375 gfxhub_v11_5_0_enable_system_domain(adev);
376 gfxhub_v11_5_0_disable_identity_aperture(adev);
377 gfxhub_v11_5_0_setup_vmid_config(adev);
378 gfxhub_v11_5_0_program_invalidation(adev);
379
380 return 0;
381}
382
383static void gfxhub_v11_5_0_gart_disable(struct amdgpu_device *adev)
384{
385 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB(0)];
386 u32 tmp;
387 u32 i;
388
389 /* Disable all tables */
390 for (i = 0; i < 16; i++)
391 WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT0_CNTL,
392 i * hub->ctx_distance, 0);
393
394 /* Setup TLB control */
395 tmp = RREG32_SOC15(GC, 0, regGCMC_VM_MX_L1_TLB_CNTL);
396 tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0);
397 tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL,
398 ENABLE_ADVANCED_DRIVER_MODEL, 0);
399 WREG32_SOC15(GC, 0, regGCMC_VM_MX_L1_TLB_CNTL, tmp);
400
401 /* Setup L2 cache */
402 WREG32_FIELD15_PREREG(GC, 0, GCVM_L2_CNTL, ENABLE_L2_CACHE, 0);
403 WREG32_SOC15(GC, 0, regGCVM_L2_CNTL3, 0);
404}
405
406/**
407 * gfxhub_v11_5_0_set_fault_enable_default - update GART/VM fault handling
408 *
409 * @adev: amdgpu_device pointer
410 * @value: true redirects VM faults to the default page
411 */
412static void gfxhub_v11_5_0_set_fault_enable_default(struct amdgpu_device *adev,
413 bool value)
414{
415 u32 tmp;
416
417 /* NO halt CP when page fault */
418 tmp = RREG32_SOC15(GC, 0, regCP_DEBUG);
419 tmp = REG_SET_FIELD(tmp, CP_DEBUG, CPG_UTCL1_ERROR_HALT_DISABLE, 1);
420 WREG32_SOC15(GC, 0, regCP_DEBUG, tmp);
421
422 /* These registers are not accessible to VF-SRIOV.
423 * The PF will program them instead.
424 */
425 if (amdgpu_sriov_vf(adev))
426 return;
427
428 tmp = RREG32_SOC15(GC, 0, regGCVM_L2_PROTECTION_FAULT_CNTL);
429 tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
430 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
431 tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
432 PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value);
433 tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
434 PDE1_PROTECTION_FAULT_ENABLE_DEFAULT, value);
435 tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
436 PDE2_PROTECTION_FAULT_ENABLE_DEFAULT, value);
437 tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
438 TRANSLATE_FURTHER_PROTECTION_FAULT_ENABLE_DEFAULT,
439 value);
440 tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
441 NACK_PROTECTION_FAULT_ENABLE_DEFAULT, value);
442 tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
443 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
444 tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
445 VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value);
446 tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
447 READ_PROTECTION_FAULT_ENABLE_DEFAULT, value);
448 tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
449 WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
450 tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
451 EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
452 if (!value) {
453 tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
454 CRASH_ON_NO_RETRY_FAULT, 1);
455 tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
456 CRASH_ON_RETRY_FAULT, 1);
457 }
458 WREG32_SOC15(GC, 0, regGCVM_L2_PROTECTION_FAULT_CNTL, tmp);
459}
460
461static const struct amdgpu_vmhub_funcs gfxhub_v11_5_0_vmhub_funcs = {
462 .print_l2_protection_fault_status = gfxhub_v11_5_0_print_l2_protection_fault_status,
463 .get_invalidate_req = gfxhub_v11_5_0_get_invalidate_req,
464};
465
466static void gfxhub_v11_5_0_init(struct amdgpu_device *adev)
467{
468 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB(0)];
469
470 hub->ctx0_ptb_addr_lo32 =
471 SOC15_REG_OFFSET(GC, 0,
472 regGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32);
473 hub->ctx0_ptb_addr_hi32 =
474 SOC15_REG_OFFSET(GC, 0,
475 regGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32);
476 hub->vm_inv_eng0_sem =
477 SOC15_REG_OFFSET(GC, 0, regGCVM_INVALIDATE_ENG0_SEM);
478 hub->vm_inv_eng0_req =
479 SOC15_REG_OFFSET(GC, 0, regGCVM_INVALIDATE_ENG0_REQ);
480 hub->vm_inv_eng0_ack =
481 SOC15_REG_OFFSET(GC, 0, regGCVM_INVALIDATE_ENG0_ACK);
482 hub->vm_context0_cntl =
483 SOC15_REG_OFFSET(GC, 0, regGCVM_CONTEXT0_CNTL);
484 hub->vm_l2_pro_fault_status =
485 SOC15_REG_OFFSET(GC, 0, regGCVM_L2_PROTECTION_FAULT_STATUS);
486 hub->vm_l2_pro_fault_cntl =
487 SOC15_REG_OFFSET(GC, 0, regGCVM_L2_PROTECTION_FAULT_CNTL);
488
489 hub->ctx_distance = regGCVM_CONTEXT1_CNTL - regGCVM_CONTEXT0_CNTL;
490 hub->ctx_addr_distance = regGCVM_CONTEXT1_PAGE_TABLE_BASE_ADDR_LO32 -
491 regGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32;
492 hub->eng_distance = regGCVM_INVALIDATE_ENG1_REQ -
493 regGCVM_INVALIDATE_ENG0_REQ;
494 hub->eng_addr_distance = regGCVM_INVALIDATE_ENG1_ADDR_RANGE_LO32 -
495 regGCVM_INVALIDATE_ENG0_ADDR_RANGE_LO32;
496
497 hub->vm_cntx_cntl_vm_fault = GCVM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
498 GCVM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
499 GCVM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
500 GCVM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
501 GCVM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
502 GCVM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
503 GCVM_CONTEXT1_CNTL__EXECUTE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK;
504
505 hub->vmhub_funcs = &gfxhub_v11_5_0_vmhub_funcs;
506}
507
508const struct amdgpu_gfxhub_funcs gfxhub_v11_5_0_funcs = {
509 .get_fb_location = gfxhub_v11_5_0_get_fb_location,
510 .get_mc_fb_offset = gfxhub_v11_5_0_get_mc_fb_offset,
511 .setup_vm_pt_regs = gfxhub_v11_5_0_setup_vm_pt_regs,
512 .gart_enable = gfxhub_v11_5_0_gart_enable,
513 .gart_disable = gfxhub_v11_5_0_gart_disable,
514 .set_fault_enable_default = gfxhub_v11_5_0_set_fault_enable_default,
515 .init = gfxhub_v11_5_0_init,
516};
517

source code of linux/drivers/gpu/drm/amd/amdgpu/gfxhub_v11_5_0.c