2 * Copyright 2019 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.
25 #include "gfxhub_v2_1.h"
27 #include "gc/gc_10_3_0_offset.h"
28 #include "gc/gc_10_3_0_sh_mask.h"
29 #include "gc/gc_10_3_0_default.h"
30 #include "navi10_enum.h"
32 #include "soc15_common.h"
34 static const char *gfxhub_client_ids
[] = {
55 static uint32_t gfxhub_v2_1_get_invalidate_req(unsigned int vmid
,
60 /* invalidate using legacy mode on vmid*/
61 req
= REG_SET_FIELD(req
, GCVM_INVALIDATE_ENG0_REQ
,
62 PER_VMID_INVALIDATE_REQ
, 1 << vmid
);
63 req
= REG_SET_FIELD(req
, GCVM_INVALIDATE_ENG0_REQ
, FLUSH_TYPE
, flush_type
);
64 req
= REG_SET_FIELD(req
, GCVM_INVALIDATE_ENG0_REQ
, INVALIDATE_L2_PTES
, 1);
65 req
= REG_SET_FIELD(req
, GCVM_INVALIDATE_ENG0_REQ
, INVALIDATE_L2_PDE0
, 1);
66 req
= REG_SET_FIELD(req
, GCVM_INVALIDATE_ENG0_REQ
, INVALIDATE_L2_PDE1
, 1);
67 req
= REG_SET_FIELD(req
, GCVM_INVALIDATE_ENG0_REQ
, INVALIDATE_L2_PDE2
, 1);
68 req
= REG_SET_FIELD(req
, GCVM_INVALIDATE_ENG0_REQ
, INVALIDATE_L1_PTES
, 1);
69 req
= REG_SET_FIELD(req
, GCVM_INVALIDATE_ENG0_REQ
,
70 CLEAR_PROTECTION_FAULT_STATUS_ADDR
, 0);
76 gfxhub_v2_1_print_l2_protection_fault_status(struct amdgpu_device
*adev
,
79 u32 cid
= REG_GET_FIELD(status
,
80 GCVM_L2_PROTECTION_FAULT_STATUS
, CID
);
83 "GCVM_L2_PROTECTION_FAULT_STATUS:0x%08X\n",
85 dev_err(adev
->dev
, "\t Faulty UTCL2 client ID: %s (0x%x)\n",
86 cid
>= ARRAY_SIZE(gfxhub_client_ids
) ? "unknown" : gfxhub_client_ids
[cid
],
88 dev_err(adev
->dev
, "\t MORE_FAULTS: 0x%lx\n",
90 GCVM_L2_PROTECTION_FAULT_STATUS
, MORE_FAULTS
));
91 dev_err(adev
->dev
, "\t WALKER_ERROR: 0x%lx\n",
93 GCVM_L2_PROTECTION_FAULT_STATUS
, WALKER_ERROR
));
94 dev_err(adev
->dev
, "\t PERMISSION_FAULTS: 0x%lx\n",
96 GCVM_L2_PROTECTION_FAULT_STATUS
, PERMISSION_FAULTS
));
97 dev_err(adev
->dev
, "\t MAPPING_ERROR: 0x%lx\n",
99 GCVM_L2_PROTECTION_FAULT_STATUS
, MAPPING_ERROR
));
100 dev_err(adev
->dev
, "\t RW: 0x%lx\n",
101 REG_GET_FIELD(status
,
102 GCVM_L2_PROTECTION_FAULT_STATUS
, RW
));
105 u64
gfxhub_v2_1_get_fb_location(struct amdgpu_device
*adev
)
107 u64 base
= RREG32_SOC15(GC
, 0, mmGCMC_VM_FB_LOCATION_BASE
);
109 base
&= GCMC_VM_FB_LOCATION_BASE__FB_BASE_MASK
;
115 u64
gfxhub_v2_1_get_mc_fb_offset(struct amdgpu_device
*adev
)
117 return (u64
)RREG32_SOC15(GC
, 0, mmGCMC_VM_FB_OFFSET
) << 24;
120 void gfxhub_v2_1_setup_vm_pt_regs(struct amdgpu_device
*adev
, uint32_t vmid
,
121 uint64_t page_table_base
)
123 struct amdgpu_vmhub
*hub
= &adev
->vmhub
[AMDGPU_GFXHUB_0
];
125 WREG32_SOC15_OFFSET(GC
, 0, mmGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32
,
126 hub
->ctx_addr_distance
* vmid
,
127 lower_32_bits(page_table_base
));
129 WREG32_SOC15_OFFSET(GC
, 0, mmGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32
,
130 hub
->ctx_addr_distance
* vmid
,
131 upper_32_bits(page_table_base
));
134 static void gfxhub_v2_1_init_gart_aperture_regs(struct amdgpu_device
*adev
)
136 uint64_t pt_base
= amdgpu_gmc_pd_addr(adev
->gart
.bo
);
138 gfxhub_v2_1_setup_vm_pt_regs(adev
, 0, pt_base
);
140 WREG32_SOC15(GC
, 0, mmGCVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32
,
141 (u32
)(adev
->gmc
.gart_start
>> 12));
142 WREG32_SOC15(GC
, 0, mmGCVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32
,
143 (u32
)(adev
->gmc
.gart_start
>> 44));
145 WREG32_SOC15(GC
, 0, mmGCVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32
,
146 (u32
)(adev
->gmc
.gart_end
>> 12));
147 WREG32_SOC15(GC
, 0, mmGCVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32
,
148 (u32
)(adev
->gmc
.gart_end
>> 44));
151 static void gfxhub_v2_1_init_system_aperture_regs(struct amdgpu_device
*adev
)
156 WREG32_SOC15(GC
, 0, mmGCMC_VM_AGP_BASE
, 0);
157 WREG32_SOC15(GC
, 0, mmGCMC_VM_AGP_TOP
, 0);
158 WREG32_SOC15(GC
, 0, mmGCMC_VM_AGP_BOT
, 0x00FFFFFF);
160 /* Program the system aperture low logical page number. */
161 WREG32_SOC15(GC
, 0, mmGCMC_VM_SYSTEM_APERTURE_LOW_ADDR
,
162 adev
->gmc
.vram_start
>> 18);
163 WREG32_SOC15(GC
, 0, mmGCMC_VM_SYSTEM_APERTURE_HIGH_ADDR
,
164 adev
->gmc
.vram_end
>> 18);
166 /* Set default page address. */
167 value
= adev
->vram_scratch
.gpu_addr
- adev
->gmc
.vram_start
168 + adev
->vm_manager
.vram_base_offset
;
169 WREG32_SOC15(GC
, 0, mmGCMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB
,
171 WREG32_SOC15(GC
, 0, mmGCMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB
,
174 /* Program "protection fault". */
175 WREG32_SOC15(GC
, 0, mmGCVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32
,
176 (u32
)(adev
->dummy_page_addr
>> 12));
177 WREG32_SOC15(GC
, 0, mmGCVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32
,
178 (u32
)((u64
)adev
->dummy_page_addr
>> 44));
180 WREG32_FIELD15(GC
, 0, GCVM_L2_PROTECTION_FAULT_CNTL2
,
181 ACTIVE_PAGE_MIGRATION_PTE_READ_RETRY
, 1);
185 static void gfxhub_v2_1_init_tlb_regs(struct amdgpu_device
*adev
)
189 /* Setup TLB control */
190 tmp
= RREG32_SOC15(GC
, 0, mmGCMC_VM_MX_L1_TLB_CNTL
);
192 tmp
= REG_SET_FIELD(tmp
, GCMC_VM_MX_L1_TLB_CNTL
, ENABLE_L1_TLB
, 1);
193 tmp
= REG_SET_FIELD(tmp
, GCMC_VM_MX_L1_TLB_CNTL
, SYSTEM_ACCESS_MODE
, 3);
194 tmp
= REG_SET_FIELD(tmp
, GCMC_VM_MX_L1_TLB_CNTL
,
195 ENABLE_ADVANCED_DRIVER_MODEL
, 1);
196 tmp
= REG_SET_FIELD(tmp
, GCMC_VM_MX_L1_TLB_CNTL
,
197 SYSTEM_APERTURE_UNMAPPED_ACCESS
, 0);
198 tmp
= REG_SET_FIELD(tmp
, GCMC_VM_MX_L1_TLB_CNTL
, ECO_BITS
, 0);
199 tmp
= REG_SET_FIELD(tmp
, GCMC_VM_MX_L1_TLB_CNTL
,
200 MTYPE
, MTYPE_UC
); /* UC, uncached */
202 WREG32_SOC15(GC
, 0, mmGCMC_VM_MX_L1_TLB_CNTL
, tmp
);
205 static void gfxhub_v2_1_init_cache_regs(struct amdgpu_device
*adev
)
209 /* These registers are not accessible to VF-SRIOV.
210 * The PF will program them instead.
212 if (amdgpu_sriov_vf(adev
))
216 tmp
= RREG32_SOC15(GC
, 0, mmGCVM_L2_CNTL
);
217 tmp
= REG_SET_FIELD(tmp
, GCVM_L2_CNTL
, ENABLE_L2_CACHE
, 1);
218 tmp
= REG_SET_FIELD(tmp
, GCVM_L2_CNTL
, ENABLE_L2_FRAGMENT_PROCESSING
, 0);
219 tmp
= REG_SET_FIELD(tmp
, GCVM_L2_CNTL
,
220 ENABLE_DEFAULT_PAGE_OUT_TO_SYSTEM_MEMORY
, 1);
221 /* XXX for emulation, Refer to closed source code.*/
222 tmp
= REG_SET_FIELD(tmp
, GCVM_L2_CNTL
,
223 L2_PDE0_CACHE_TAG_GENERATION_MODE
, 0);
224 tmp
= REG_SET_FIELD(tmp
, GCVM_L2_CNTL
, PDE_FAULT_CLASSIFICATION
, 0);
225 tmp
= REG_SET_FIELD(tmp
, GCVM_L2_CNTL
, CONTEXT1_IDENTITY_ACCESS_MODE
, 1);
226 tmp
= REG_SET_FIELD(tmp
, GCVM_L2_CNTL
, IDENTITY_MODE_FRAGMENT_SIZE
, 0);
227 WREG32_SOC15(GC
, 0, mmGCVM_L2_CNTL
, tmp
);
229 tmp
= RREG32_SOC15(GC
, 0, mmGCVM_L2_CNTL2
);
230 tmp
= REG_SET_FIELD(tmp
, GCVM_L2_CNTL2
, INVALIDATE_ALL_L1_TLBS
, 1);
231 tmp
= REG_SET_FIELD(tmp
, GCVM_L2_CNTL2
, INVALIDATE_L2_CACHE
, 1);
232 WREG32_SOC15(GC
, 0, mmGCVM_L2_CNTL2
, tmp
);
234 tmp
= mmGCVM_L2_CNTL3_DEFAULT
;
235 if (adev
->gmc
.translate_further
) {
236 tmp
= REG_SET_FIELD(tmp
, GCVM_L2_CNTL3
, BANK_SELECT
, 12);
237 tmp
= REG_SET_FIELD(tmp
, GCVM_L2_CNTL3
,
238 L2_CACHE_BIGK_FRAGMENT_SIZE
, 9);
240 tmp
= REG_SET_FIELD(tmp
, GCVM_L2_CNTL3
, BANK_SELECT
, 9);
241 tmp
= REG_SET_FIELD(tmp
, GCVM_L2_CNTL3
,
242 L2_CACHE_BIGK_FRAGMENT_SIZE
, 6);
244 WREG32_SOC15(GC
, 0, mmGCVM_L2_CNTL3
, tmp
);
246 tmp
= mmGCVM_L2_CNTL4_DEFAULT
;
247 tmp
= REG_SET_FIELD(tmp
, GCVM_L2_CNTL4
, VMC_TAP_PDE_REQUEST_PHYSICAL
, 0);
248 tmp
= REG_SET_FIELD(tmp
, GCVM_L2_CNTL4
, VMC_TAP_PTE_REQUEST_PHYSICAL
, 0);
249 WREG32_SOC15(GC
, 0, mmGCVM_L2_CNTL4
, tmp
);
251 tmp
= mmGCVM_L2_CNTL5_DEFAULT
;
252 tmp
= REG_SET_FIELD(tmp
, GCVM_L2_CNTL5
, L2_CACHE_SMALLK_FRAGMENT_SIZE
, 0);
253 WREG32_SOC15(GC
, 0, mmGCVM_L2_CNTL5
, tmp
);
256 static void gfxhub_v2_1_enable_system_domain(struct amdgpu_device
*adev
)
260 tmp
= RREG32_SOC15(GC
, 0, mmGCVM_CONTEXT0_CNTL
);
261 tmp
= REG_SET_FIELD(tmp
, GCVM_CONTEXT0_CNTL
, ENABLE_CONTEXT
, 1);
262 tmp
= REG_SET_FIELD(tmp
, GCVM_CONTEXT0_CNTL
, PAGE_TABLE_DEPTH
, 0);
263 tmp
= REG_SET_FIELD(tmp
, GCVM_CONTEXT0_CNTL
,
264 RETRY_PERMISSION_OR_INVALID_PAGE_FAULT
, 0);
265 WREG32_SOC15(GC
, 0, mmGCVM_CONTEXT0_CNTL
, tmp
);
268 static void gfxhub_v2_1_disable_identity_aperture(struct amdgpu_device
*adev
)
270 /* These registers are not accessible to VF-SRIOV.
271 * The PF will program them instead.
273 if (amdgpu_sriov_vf(adev
))
276 WREG32_SOC15(GC
, 0, mmGCVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32
,
278 WREG32_SOC15(GC
, 0, mmGCVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32
,
281 WREG32_SOC15(GC
, 0, mmGCVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32
,
283 WREG32_SOC15(GC
, 0, mmGCVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32
,
286 WREG32_SOC15(GC
, 0, mmGCVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32
, 0);
287 WREG32_SOC15(GC
, 0, mmGCVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32
, 0);
291 static void gfxhub_v2_1_setup_vmid_config(struct amdgpu_device
*adev
)
293 struct amdgpu_vmhub
*hub
= &adev
->vmhub
[AMDGPU_GFXHUB_0
];
297 for (i
= 0; i
<= 14; i
++) {
298 tmp
= RREG32_SOC15_OFFSET(GC
, 0, mmGCVM_CONTEXT1_CNTL
, i
);
299 tmp
= REG_SET_FIELD(tmp
, GCVM_CONTEXT1_CNTL
, ENABLE_CONTEXT
, 1);
300 tmp
= REG_SET_FIELD(tmp
, GCVM_CONTEXT1_CNTL
, PAGE_TABLE_DEPTH
,
301 adev
->vm_manager
.num_level
);
302 tmp
= REG_SET_FIELD(tmp
, GCVM_CONTEXT1_CNTL
,
303 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT
, 1);
304 tmp
= REG_SET_FIELD(tmp
, GCVM_CONTEXT1_CNTL
,
305 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT
, 1);
306 tmp
= REG_SET_FIELD(tmp
, GCVM_CONTEXT1_CNTL
,
307 PDE0_PROTECTION_FAULT_ENABLE_DEFAULT
, 1);
308 tmp
= REG_SET_FIELD(tmp
, GCVM_CONTEXT1_CNTL
,
309 VALID_PROTECTION_FAULT_ENABLE_DEFAULT
, 1);
310 tmp
= REG_SET_FIELD(tmp
, GCVM_CONTEXT1_CNTL
,
311 READ_PROTECTION_FAULT_ENABLE_DEFAULT
, 1);
312 tmp
= REG_SET_FIELD(tmp
, GCVM_CONTEXT1_CNTL
,
313 WRITE_PROTECTION_FAULT_ENABLE_DEFAULT
, 1);
314 tmp
= REG_SET_FIELD(tmp
, GCVM_CONTEXT1_CNTL
,
315 EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT
, 1);
316 tmp
= REG_SET_FIELD(tmp
, GCVM_CONTEXT1_CNTL
,
317 PAGE_TABLE_BLOCK_SIZE
,
318 adev
->vm_manager
.block_size
- 9);
319 /* Send no-retry XNACK on fault to suppress VM fault storm. */
320 tmp
= REG_SET_FIELD(tmp
, GCVM_CONTEXT1_CNTL
,
321 RETRY_PERMISSION_OR_INVALID_PAGE_FAULT
,
323 WREG32_SOC15_OFFSET(GC
, 0, mmGCVM_CONTEXT1_CNTL
,
324 i
* hub
->ctx_distance
, tmp
);
325 WREG32_SOC15_OFFSET(GC
, 0, mmGCVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32
,
326 i
* hub
->ctx_addr_distance
, 0);
327 WREG32_SOC15_OFFSET(GC
, 0, mmGCVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32
,
328 i
* hub
->ctx_addr_distance
, 0);
329 WREG32_SOC15_OFFSET(GC
, 0, mmGCVM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32
,
330 i
* hub
->ctx_addr_distance
,
331 lower_32_bits(adev
->vm_manager
.max_pfn
- 1));
332 WREG32_SOC15_OFFSET(GC
, 0, mmGCVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32
,
333 i
* hub
->ctx_addr_distance
,
334 upper_32_bits(adev
->vm_manager
.max_pfn
- 1));
338 static void gfxhub_v2_1_program_invalidation(struct amdgpu_device
*adev
)
340 struct amdgpu_vmhub
*hub
= &adev
->vmhub
[AMDGPU_GFXHUB_0
];
343 for (i
= 0 ; i
< 18; ++i
) {
344 WREG32_SOC15_OFFSET(GC
, 0, mmGCVM_INVALIDATE_ENG0_ADDR_RANGE_LO32
,
345 i
* hub
->eng_addr_distance
, 0xffffffff);
346 WREG32_SOC15_OFFSET(GC
, 0, mmGCVM_INVALIDATE_ENG0_ADDR_RANGE_HI32
,
347 i
* hub
->eng_addr_distance
, 0x1f);
351 int gfxhub_v2_1_gart_enable(struct amdgpu_device
*adev
)
353 if (amdgpu_sriov_vf(adev
)) {
355 * GCMC_VM_FB_LOCATION_BASE/TOP is NULL for VF, becuase they are
356 * VF copy registers so vbios post doesn't program them, for
357 * SRIOV driver need to program them
359 WREG32_SOC15(GC
, 0, mmGCMC_VM_FB_LOCATION_BASE
,
360 adev
->gmc
.vram_start
>> 24);
361 WREG32_SOC15(GC
, 0, mmGCMC_VM_FB_LOCATION_TOP
,
362 adev
->gmc
.vram_end
>> 24);
366 gfxhub_v2_1_init_gart_aperture_regs(adev
);
367 gfxhub_v2_1_init_system_aperture_regs(adev
);
368 gfxhub_v2_1_init_tlb_regs(adev
);
369 gfxhub_v2_1_init_cache_regs(adev
);
371 gfxhub_v2_1_enable_system_domain(adev
);
372 gfxhub_v2_1_disable_identity_aperture(adev
);
373 gfxhub_v2_1_setup_vmid_config(adev
);
374 gfxhub_v2_1_program_invalidation(adev
);
379 void gfxhub_v2_1_gart_disable(struct amdgpu_device
*adev
)
381 struct amdgpu_vmhub
*hub
= &adev
->vmhub
[AMDGPU_GFXHUB_0
];
385 /* Disable all tables */
386 for (i
= 0; i
< 16; i
++)
387 WREG32_SOC15_OFFSET(GC
, 0, mmGCVM_CONTEXT0_CNTL
,
388 i
* hub
->ctx_distance
, 0);
390 /* Setup TLB control */
391 tmp
= RREG32_SOC15(GC
, 0, mmGCMC_VM_MX_L1_TLB_CNTL
);
392 tmp
= REG_SET_FIELD(tmp
, GCMC_VM_MX_L1_TLB_CNTL
, ENABLE_L1_TLB
, 0);
393 tmp
= REG_SET_FIELD(tmp
, GCMC_VM_MX_L1_TLB_CNTL
,
394 ENABLE_ADVANCED_DRIVER_MODEL
, 0);
395 WREG32_SOC15(GC
, 0, mmGCMC_VM_MX_L1_TLB_CNTL
, tmp
);
398 WREG32_FIELD15(GC
, 0, GCVM_L2_CNTL
, ENABLE_L2_CACHE
, 0);
399 WREG32_SOC15(GC
, 0, mmGCVM_L2_CNTL3
, 0);
403 * gfxhub_v2_1_set_fault_enable_default - update GART/VM fault handling
405 * @adev: amdgpu_device pointer
406 * @value: true redirects VM faults to the default page
408 void gfxhub_v2_1_set_fault_enable_default(struct amdgpu_device
*adev
,
413 /* These registers are not accessible to VF-SRIOV.
414 * The PF will program them instead.
416 if (amdgpu_sriov_vf(adev
))
419 tmp
= RREG32_SOC15(GC
, 0, mmGCVM_L2_PROTECTION_FAULT_CNTL
);
420 tmp
= REG_SET_FIELD(tmp
, GCVM_L2_PROTECTION_FAULT_CNTL
,
421 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT
, value
);
422 tmp
= REG_SET_FIELD(tmp
, GCVM_L2_PROTECTION_FAULT_CNTL
,
423 PDE0_PROTECTION_FAULT_ENABLE_DEFAULT
, value
);
424 tmp
= REG_SET_FIELD(tmp
, GCVM_L2_PROTECTION_FAULT_CNTL
,
425 PDE1_PROTECTION_FAULT_ENABLE_DEFAULT
, value
);
426 tmp
= REG_SET_FIELD(tmp
, GCVM_L2_PROTECTION_FAULT_CNTL
,
427 PDE2_PROTECTION_FAULT_ENABLE_DEFAULT
, value
);
428 tmp
= REG_SET_FIELD(tmp
, GCVM_L2_PROTECTION_FAULT_CNTL
,
429 TRANSLATE_FURTHER_PROTECTION_FAULT_ENABLE_DEFAULT
,
431 tmp
= REG_SET_FIELD(tmp
, GCVM_L2_PROTECTION_FAULT_CNTL
,
432 NACK_PROTECTION_FAULT_ENABLE_DEFAULT
, value
);
433 tmp
= REG_SET_FIELD(tmp
, GCVM_L2_PROTECTION_FAULT_CNTL
,
434 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT
, value
);
435 tmp
= REG_SET_FIELD(tmp
, GCVM_L2_PROTECTION_FAULT_CNTL
,
436 VALID_PROTECTION_FAULT_ENABLE_DEFAULT
, value
);
437 tmp
= REG_SET_FIELD(tmp
, GCVM_L2_PROTECTION_FAULT_CNTL
,
438 READ_PROTECTION_FAULT_ENABLE_DEFAULT
, value
);
439 tmp
= REG_SET_FIELD(tmp
, GCVM_L2_PROTECTION_FAULT_CNTL
,
440 WRITE_PROTECTION_FAULT_ENABLE_DEFAULT
, value
);
441 tmp
= REG_SET_FIELD(tmp
, GCVM_L2_PROTECTION_FAULT_CNTL
,
442 EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT
, value
);
444 tmp
= REG_SET_FIELD(tmp
, GCVM_L2_PROTECTION_FAULT_CNTL
,
445 CRASH_ON_NO_RETRY_FAULT
, 1);
446 tmp
= REG_SET_FIELD(tmp
, GCVM_L2_PROTECTION_FAULT_CNTL
,
447 CRASH_ON_RETRY_FAULT
, 1);
449 WREG32_SOC15(GC
, 0, mmGCVM_L2_PROTECTION_FAULT_CNTL
, tmp
);
452 static const struct amdgpu_vmhub_funcs gfxhub_v2_1_vmhub_funcs
= {
453 .print_l2_protection_fault_status
= gfxhub_v2_1_print_l2_protection_fault_status
,
454 .get_invalidate_req
= gfxhub_v2_1_get_invalidate_req
,
457 void gfxhub_v2_1_init(struct amdgpu_device
*adev
)
459 struct amdgpu_vmhub
*hub
= &adev
->vmhub
[AMDGPU_GFXHUB_0
];
461 hub
->ctx0_ptb_addr_lo32
=
462 SOC15_REG_OFFSET(GC
, 0,
463 mmGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32
);
464 hub
->ctx0_ptb_addr_hi32
=
465 SOC15_REG_OFFSET(GC
, 0,
466 mmGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32
);
467 hub
->vm_inv_eng0_sem
=
468 SOC15_REG_OFFSET(GC
, 0, mmGCVM_INVALIDATE_ENG0_SEM
);
469 hub
->vm_inv_eng0_req
=
470 SOC15_REG_OFFSET(GC
, 0, mmGCVM_INVALIDATE_ENG0_REQ
);
471 hub
->vm_inv_eng0_ack
=
472 SOC15_REG_OFFSET(GC
, 0, mmGCVM_INVALIDATE_ENG0_ACK
);
473 hub
->vm_context0_cntl
=
474 SOC15_REG_OFFSET(GC
, 0, mmGCVM_CONTEXT0_CNTL
);
475 hub
->vm_l2_pro_fault_status
=
476 SOC15_REG_OFFSET(GC
, 0, mmGCVM_L2_PROTECTION_FAULT_STATUS
);
477 hub
->vm_l2_pro_fault_cntl
=
478 SOC15_REG_OFFSET(GC
, 0, mmGCVM_L2_PROTECTION_FAULT_CNTL
);
480 hub
->ctx_distance
= mmGCVM_CONTEXT1_CNTL
- mmGCVM_CONTEXT0_CNTL
;
481 hub
->ctx_addr_distance
= mmGCVM_CONTEXT1_PAGE_TABLE_BASE_ADDR_LO32
-
482 mmGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32
;
483 hub
->eng_distance
= mmGCVM_INVALIDATE_ENG1_REQ
-
484 mmGCVM_INVALIDATE_ENG0_REQ
;
485 hub
->eng_addr_distance
= mmGCVM_INVALIDATE_ENG1_ADDR_RANGE_LO32
-
486 mmGCVM_INVALIDATE_ENG0_ADDR_RANGE_LO32
;
488 hub
->vm_cntx_cntl_vm_fault
= GCVM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK
|
489 GCVM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK
|
490 GCVM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK
|
491 GCVM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK
|
492 GCVM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK
|
493 GCVM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK
|
494 GCVM_CONTEXT1_CNTL__EXECUTE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK
;
496 hub
->vmhub_funcs
= &gfxhub_v2_1_vmhub_funcs
;
499 int gfxhub_v2_1_get_xgmi_info(struct amdgpu_device
*adev
)
501 u32 xgmi_lfb_cntl
= RREG32_SOC15(GC
, 0, mmGCMC_VM_XGMI_LFB_CNTL
);
503 REG_GET_FIELD(xgmi_lfb_cntl
, GCMC_VM_XGMI_LFB_CNTL
, PF_MAX_REGION
);
504 u32 max_num_physical_nodes
= 0;
505 u32 max_physical_node_id
= 0;
507 switch (adev
->asic_type
) {
508 case CHIP_SIENNA_CICHLID
:
509 max_num_physical_nodes
= 4;
510 max_physical_node_id
= 3;
516 /* PF_MAX_REGION=0 means xgmi is disabled */
518 adev
->gmc
.xgmi
.num_physical_nodes
= max_region
+ 1;
519 if (adev
->gmc
.xgmi
.num_physical_nodes
> max_num_physical_nodes
)
522 adev
->gmc
.xgmi
.physical_node_id
=
523 REG_GET_FIELD(xgmi_lfb_cntl
, GCMC_VM_XGMI_LFB_CNTL
, PF_LFB_REGION
);
524 if (adev
->gmc
.xgmi
.physical_node_id
> max_physical_node_id
)
527 adev
->gmc
.xgmi
.node_segment_size
= REG_GET_FIELD(
528 RREG32_SOC15(GC
, 0, mmGCMC_VM_XGMI_LFB_SIZE
),
529 GCMC_VM_XGMI_LFB_SIZE
, PF_LFB_SIZE
) << 24;