1/*
2 * Copyright 2019 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_v2_0.h"
26
27#include "gc/gc_10_1_0_offset.h"
28#include "gc/gc_10_1_0_sh_mask.h"
29#include "gc/gc_10_1_0_default.h"
30#include "navi10_enum.h"
31
32#include "soc15_common.h"
33
34static const char * const gfxhub_client_ids[] = {
35	"CB/DB",
36	"Reserved",
37	"GE1",
38	"GE2",
39	"CPF",
40	"CPC",
41	"CPG",
42	"RLC",
43	"TCP",
44	"SQC (inst)",
45	"SQC (data)",
46	"SQG",
47	"Reserved",
48	"SDMA0",
49	"SDMA1",
50	"GCR",
51	"SDMA2",
52	"SDMA3",
53};
54
55static uint32_t gfxhub_v2_0_get_invalidate_req(unsigned int vmid,
56					       uint32_t flush_type)
57{
58	u32 req = 0;
59
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);
71
72	return req;
73}
74
75static void
76gfxhub_v2_0_print_l2_protection_fault_status(struct amdgpu_device *adev,
77					     uint32_t status)
78{
79	u32 cid = REG_GET_FIELD(status,
80				GCVM_L2_PROTECTION_FAULT_STATUS, CID);
81
82	dev_err(adev->dev,
83		"GCVM_L2_PROTECTION_FAULT_STATUS:0x%08X\n",
84		status);
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],
87		cid);
88	dev_err(adev->dev, "\t MORE_FAULTS: 0x%lx\n",
89		REG_GET_FIELD(status,
90		GCVM_L2_PROTECTION_FAULT_STATUS, MORE_FAULTS));
91	dev_err(adev->dev, "\t WALKER_ERROR: 0x%lx\n",
92		REG_GET_FIELD(status,
93		GCVM_L2_PROTECTION_FAULT_STATUS, WALKER_ERROR));
94	dev_err(adev->dev, "\t PERMISSION_FAULTS: 0x%lx\n",
95		REG_GET_FIELD(status,
96		GCVM_L2_PROTECTION_FAULT_STATUS, PERMISSION_FAULTS));
97	dev_err(adev->dev, "\t MAPPING_ERROR: 0x%lx\n",
98		REG_GET_FIELD(status,
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));
103}
104
105static u64 gfxhub_v2_0_get_fb_location(struct amdgpu_device *adev)
106{
107	u64 base = RREG32_SOC15(GC, 0, mmGCMC_VM_FB_LOCATION_BASE);
108
109	base &= GCMC_VM_FB_LOCATION_BASE__FB_BASE_MASK;
110	base <<= 24;
111
112	return base;
113}
114
115static u64 gfxhub_v2_0_get_mc_fb_offset(struct amdgpu_device *adev)
116{
117	return (u64)RREG32_SOC15(GC, 0, mmGCMC_VM_FB_OFFSET) << 24;
118}
119
120static void gfxhub_v2_0_setup_vm_pt_regs(struct amdgpu_device *adev, uint32_t vmid,
121				uint64_t page_table_base)
122{
123	struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB(0)];
124
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));
128
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));
132}
133
134static void gfxhub_v2_0_init_gart_aperture_regs(struct amdgpu_device *adev)
135{
136	uint64_t pt_base = amdgpu_gmc_pd_addr(adev->gart.bo);
137
138	gfxhub_v2_0_setup_vm_pt_regs(adev, 0, pt_base);
139
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));
144
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));
149}
150
151static void gfxhub_v2_0_init_system_aperture_regs(struct amdgpu_device *adev)
152{
153	uint64_t value;
154
155	if (!amdgpu_sriov_vf(adev)) {
156		/* Program the AGP BAR */
157		WREG32_SOC15(GC, 0, mmGCMC_VM_AGP_BASE, 0);
158		WREG32_SOC15(GC, 0, mmGCMC_VM_AGP_BOT, adev->gmc.agp_start >> 24);
159		WREG32_SOC15(GC, 0, mmGCMC_VM_AGP_TOP, adev->gmc.agp_end >> 24);
160
161		/* Program the system aperture low logical page number. */
162		WREG32_SOC15(GC, 0, mmGCMC_VM_SYSTEM_APERTURE_LOW_ADDR,
163			     min(adev->gmc.fb_start, adev->gmc.agp_start) >> 18);
164		WREG32_SOC15(GC, 0, mmGCMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
165			     max(adev->gmc.fb_end, adev->gmc.agp_end) >> 18);
166
167		/* Set default page address. */
168		value = amdgpu_gmc_vram_mc2pa(adev, adev->mem_scratch.gpu_addr);
169		WREG32_SOC15(GC, 0, mmGCMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB,
170			     (u32)(value >> 12));
171		WREG32_SOC15(GC, 0, mmGCMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB,
172			     (u32)(value >> 44));
173	}
174
175	/* Program "protection fault". */
176	WREG32_SOC15(GC, 0, mmGCVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32,
177		     (u32)(adev->dummy_page_addr >> 12));
178	WREG32_SOC15(GC, 0, mmGCVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32,
179		     (u32)((u64)adev->dummy_page_addr >> 44));
180
181	WREG32_FIELD15(GC, 0, GCVM_L2_PROTECTION_FAULT_CNTL2,
182		       ACTIVE_PAGE_MIGRATION_PTE_READ_RETRY, 1);
183}
184
185
186static void gfxhub_v2_0_init_tlb_regs(struct amdgpu_device *adev)
187{
188	uint32_t tmp;
189
190	/* Setup TLB control */
191	tmp = RREG32_SOC15(GC, 0, mmGCMC_VM_MX_L1_TLB_CNTL);
192
193	tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1);
194	tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE, 3);
195	tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL,
196			    ENABLE_ADVANCED_DRIVER_MODEL, 1);
197	tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL,
198			    SYSTEM_APERTURE_UNMAPPED_ACCESS, 0);
199	tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL,
200			    MTYPE, MTYPE_UC); /* UC, uncached */
201
202	WREG32_SOC15(GC, 0, mmGCMC_VM_MX_L1_TLB_CNTL, tmp);
203}
204
205static void gfxhub_v2_0_init_cache_regs(struct amdgpu_device *adev)
206{
207	uint32_t tmp;
208
209	/* These regs are not accessible for VF, PF will program these in SRIOV */
210	if (amdgpu_sriov_vf(adev))
211		return;
212
213	/* Setup L2 cache */
214	tmp = RREG32_SOC15(GC, 0, mmGCVM_L2_CNTL);
215	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, ENABLE_L2_CACHE, 1);
216	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 0);
217	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL,
218			    ENABLE_DEFAULT_PAGE_OUT_TO_SYSTEM_MEMORY, 1);
219	/* XXX for emulation, Refer to closed source code.*/
220	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL,
221			    L2_PDE0_CACHE_TAG_GENERATION_MODE, 0);
222	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, PDE_FAULT_CLASSIFICATION, 0);
223	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, CONTEXT1_IDENTITY_ACCESS_MODE, 1);
224	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, IDENTITY_MODE_FRAGMENT_SIZE, 0);
225	WREG32_SOC15(GC, 0, mmGCVM_L2_CNTL, tmp);
226
227	tmp = RREG32_SOC15(GC, 0, mmGCVM_L2_CNTL2);
228	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1);
229	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL2, INVALIDATE_L2_CACHE, 1);
230	WREG32_SOC15(GC, 0, mmGCVM_L2_CNTL2, tmp);
231
232	tmp = mmGCVM_L2_CNTL3_DEFAULT;
233	if (adev->gmc.translate_further) {
234		tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL3, BANK_SELECT, 12);
235		tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL3,
236				    L2_CACHE_BIGK_FRAGMENT_SIZE, 9);
237	} else {
238		tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL3, BANK_SELECT, 9);
239		tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL3,
240				    L2_CACHE_BIGK_FRAGMENT_SIZE, 6);
241	}
242	WREG32_SOC15(GC, 0, mmGCVM_L2_CNTL3, tmp);
243
244	tmp = mmGCVM_L2_CNTL4_DEFAULT;
245	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL4, VMC_TAP_PDE_REQUEST_PHYSICAL, 0);
246	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL4, VMC_TAP_PTE_REQUEST_PHYSICAL, 0);
247	WREG32_SOC15(GC, 0, mmGCVM_L2_CNTL4, tmp);
248
249	tmp = mmGCVM_L2_CNTL5_DEFAULT;
250	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL5, L2_CACHE_SMALLK_FRAGMENT_SIZE, 0);
251	WREG32_SOC15(GC, 0, mmGCVM_L2_CNTL5, tmp);
252}
253
254static void gfxhub_v2_0_enable_system_domain(struct amdgpu_device *adev)
255{
256	uint32_t tmp;
257
258	tmp = RREG32_SOC15(GC, 0, mmGCVM_CONTEXT0_CNTL);
259	tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1);
260	tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0);
261	tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT0_CNTL,
262			    RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, 0);
263	WREG32_SOC15(GC, 0, mmGCVM_CONTEXT0_CNTL, tmp);
264}
265
266static void gfxhub_v2_0_disable_identity_aperture(struct amdgpu_device *adev)
267{
268	WREG32_SOC15(GC, 0, mmGCVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32,
269		     0xFFFFFFFF);
270	WREG32_SOC15(GC, 0, mmGCVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32,
271		     0x0000000F);
272
273	WREG32_SOC15(GC, 0, mmGCVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32,
274		     0);
275	WREG32_SOC15(GC, 0, mmGCVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32,
276		     0);
277
278	WREG32_SOC15(GC, 0, mmGCVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32, 0);
279	WREG32_SOC15(GC, 0, mmGCVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32, 0);
280
281}
282
283static void gfxhub_v2_0_setup_vmid_config(struct amdgpu_device *adev)
284{
285	struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB(0)];
286	int i;
287	uint32_t tmp;
288
289	for (i = 0; i <= 14; i++) {
290		tmp = RREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT1_CNTL, i * hub->ctx_distance);
291		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1);
292		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, PAGE_TABLE_DEPTH,
293				    adev->vm_manager.num_level);
294		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
295				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
296		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
297				DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
298		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
299				PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
300		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
301				VALID_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
302		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
303				READ_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
304		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
305				WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
306		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
307				EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
308		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
309				PAGE_TABLE_BLOCK_SIZE,
310				adev->vm_manager.block_size - 9);
311		/* Send no-retry XNACK on fault to suppress VM fault storm. */
312		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
313				    RETRY_PERMISSION_OR_INVALID_PAGE_FAULT,
314				    !adev->gmc.noretry);
315		WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT1_CNTL,
316				    i * hub->ctx_distance, tmp);
317		WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32,
318				    i * hub->ctx_addr_distance, 0);
319		WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32,
320				    i * hub->ctx_addr_distance, 0);
321		WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32,
322				    i * hub->ctx_addr_distance,
323				    lower_32_bits(adev->vm_manager.max_pfn - 1));
324		WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32,
325				    i * hub->ctx_addr_distance,
326				    upper_32_bits(adev->vm_manager.max_pfn - 1));
327	}
328
329	hub->vm_cntx_cntl = tmp;
330}
331
332static void gfxhub_v2_0_program_invalidation(struct amdgpu_device *adev)
333{
334	struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB(0)];
335	unsigned int i;
336
337	for (i = 0 ; i < 18; ++i) {
338		WREG32_SOC15_OFFSET(GC, 0, mmGCVM_INVALIDATE_ENG0_ADDR_RANGE_LO32,
339				    i * hub->eng_addr_distance, 0xffffffff);
340		WREG32_SOC15_OFFSET(GC, 0, mmGCVM_INVALIDATE_ENG0_ADDR_RANGE_HI32,
341				    i * hub->eng_addr_distance, 0x1f);
342	}
343}
344
345static int gfxhub_v2_0_gart_enable(struct amdgpu_device *adev)
346{
347	/* GART Enable. */
348	gfxhub_v2_0_init_gart_aperture_regs(adev);
349	gfxhub_v2_0_init_system_aperture_regs(adev);
350	gfxhub_v2_0_init_tlb_regs(adev);
351	gfxhub_v2_0_init_cache_regs(adev);
352
353	gfxhub_v2_0_enable_system_domain(adev);
354	gfxhub_v2_0_disable_identity_aperture(adev);
355	gfxhub_v2_0_setup_vmid_config(adev);
356	gfxhub_v2_0_program_invalidation(adev);
357
358	return 0;
359}
360
361static void gfxhub_v2_0_gart_disable(struct amdgpu_device *adev)
362{
363	struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB(0)];
364	u32 tmp;
365	u32 i;
366
367	/* Disable all tables */
368	for (i = 0; i < 16; i++)
369		WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT0_CNTL,
370				    i * hub->ctx_distance, 0);
371
372	/* Setup TLB control */
373	tmp = RREG32_SOC15(GC, 0, mmGCMC_VM_MX_L1_TLB_CNTL);
374	tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0);
375	tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL,
376			    ENABLE_ADVANCED_DRIVER_MODEL, 0);
377	WREG32_SOC15(GC, 0, mmGCMC_VM_MX_L1_TLB_CNTL, tmp);
378
379	if (!amdgpu_sriov_vf(adev)) {
380		/* Setup L2 cache */
381		WREG32_FIELD15(GC, 0, GCVM_L2_CNTL, ENABLE_L2_CACHE, 0);
382		WREG32_SOC15(GC, 0, mmGCVM_L2_CNTL3, 0);
383	}
384}
385
386/**
387 * gfxhub_v2_0_set_fault_enable_default - update GART/VM fault handling
388 *
389 * @adev: amdgpu_device pointer
390 * @value: true redirects VM faults to the default page
391 */
392static void gfxhub_v2_0_set_fault_enable_default(struct amdgpu_device *adev,
393					  bool value)
394{
395	u32 tmp;
396
397	tmp = RREG32_SOC15(GC, 0, mmGCVM_L2_PROTECTION_FAULT_CNTL);
398	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
399			    RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
400	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
401			    PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value);
402	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
403			    PDE1_PROTECTION_FAULT_ENABLE_DEFAULT, value);
404	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
405			    PDE2_PROTECTION_FAULT_ENABLE_DEFAULT, value);
406	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
407			    TRANSLATE_FURTHER_PROTECTION_FAULT_ENABLE_DEFAULT,
408			    value);
409	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
410			    NACK_PROTECTION_FAULT_ENABLE_DEFAULT, value);
411	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
412			    DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
413	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
414			    VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value);
415	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
416			    READ_PROTECTION_FAULT_ENABLE_DEFAULT, value);
417	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
418			    WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
419	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
420			    EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
421	if (!value) {
422		tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
423				CRASH_ON_NO_RETRY_FAULT, 1);
424		tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
425				CRASH_ON_RETRY_FAULT, 1);
426	}
427	WREG32_SOC15(GC, 0, mmGCVM_L2_PROTECTION_FAULT_CNTL, tmp);
428}
429
430static const struct amdgpu_vmhub_funcs gfxhub_v2_0_vmhub_funcs = {
431	.print_l2_protection_fault_status = gfxhub_v2_0_print_l2_protection_fault_status,
432	.get_invalidate_req = gfxhub_v2_0_get_invalidate_req,
433};
434
435static void gfxhub_v2_0_init(struct amdgpu_device *adev)
436{
437	struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB(0)];
438
439	hub->ctx0_ptb_addr_lo32 =
440		SOC15_REG_OFFSET(GC, 0,
441				 mmGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32);
442	hub->ctx0_ptb_addr_hi32 =
443		SOC15_REG_OFFSET(GC, 0,
444				 mmGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32);
445	hub->vm_inv_eng0_sem =
446		SOC15_REG_OFFSET(GC, 0, mmGCVM_INVALIDATE_ENG0_SEM);
447	hub->vm_inv_eng0_req =
448		SOC15_REG_OFFSET(GC, 0, mmGCVM_INVALIDATE_ENG0_REQ);
449	hub->vm_inv_eng0_ack =
450		SOC15_REG_OFFSET(GC, 0, mmGCVM_INVALIDATE_ENG0_ACK);
451	hub->vm_context0_cntl =
452		SOC15_REG_OFFSET(GC, 0, mmGCVM_CONTEXT0_CNTL);
453	hub->vm_l2_pro_fault_status =
454		SOC15_REG_OFFSET(GC, 0, mmGCVM_L2_PROTECTION_FAULT_STATUS);
455	hub->vm_l2_pro_fault_cntl =
456		SOC15_REG_OFFSET(GC, 0, mmGCVM_L2_PROTECTION_FAULT_CNTL);
457
458	hub->ctx_distance = mmGCVM_CONTEXT1_CNTL - mmGCVM_CONTEXT0_CNTL;
459	hub->ctx_addr_distance = mmGCVM_CONTEXT1_PAGE_TABLE_BASE_ADDR_LO32 -
460		mmGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32;
461	hub->eng_distance = mmGCVM_INVALIDATE_ENG1_REQ -
462		mmGCVM_INVALIDATE_ENG0_REQ;
463	hub->eng_addr_distance = mmGCVM_INVALIDATE_ENG1_ADDR_RANGE_LO32 -
464		mmGCVM_INVALIDATE_ENG0_ADDR_RANGE_LO32;
465
466	hub->vm_cntx_cntl_vm_fault = GCVM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
467		GCVM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
468		GCVM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
469		GCVM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
470		GCVM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
471		GCVM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
472		GCVM_CONTEXT1_CNTL__EXECUTE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK;
473
474	/* TODO: This is only needed on some Navi 1x revisions */
475	hub->sdma_invalidation_workaround = true;
476
477	hub->vmhub_funcs = &gfxhub_v2_0_vmhub_funcs;
478}
479
480const struct amdgpu_gfxhub_funcs gfxhub_v2_0_funcs = {
481	.get_fb_location = gfxhub_v2_0_get_fb_location,
482	.get_mc_fb_offset = gfxhub_v2_0_get_mc_fb_offset,
483	.setup_vm_pt_regs = gfxhub_v2_0_setup_vm_pt_regs,
484	.gart_enable = gfxhub_v2_0_gart_enable,
485	.gart_disable = gfxhub_v2_0_gart_disable,
486	.set_fault_enable_default = gfxhub_v2_0_set_fault_enable_default,
487	.init = gfxhub_v2_0_init,
488};
489