1/*
2 * Copyright 2016 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 * Author: Monk.liu@amd.com
23 */
24#ifndef AMDGPU_VIRT_H
25#define AMDGPU_VIRT_H
26
27#include "amdgv_sriovmsg.h"
28
29#define AMDGPU_SRIOV_CAPS_SRIOV_VBIOS (1 << 0) /* vBIOS is sr-iov ready */
30#define AMDGPU_SRIOV_CAPS_ENABLE_IOV (1 << 1) /* sr-iov is enabled on this GPU */
31#define AMDGPU_SRIOV_CAPS_IS_VF (1 << 2) /* this GPU is a virtual function */
32#define AMDGPU_PASSTHROUGH_MODE (1 << 3) /* thw whole GPU is pass through for VM */
33#define AMDGPU_SRIOV_CAPS_RUNTIME (1 << 4) /* is out of full access mode */
34#define AMDGPU_VF_MMIO_ACCESS_PROTECT (1 << 5) /* MMIO write access is not allowed in sriov runtime */
35
36/* flags for indirect register access path supported by rlcg for sriov */
37#define AMDGPU_RLCG_GC_WRITE_LEGACY (0x8 << 28)
38#define AMDGPU_RLCG_GC_WRITE (0x0 << 28)
39#define AMDGPU_RLCG_GC_READ (0x1 << 28)
40#define AMDGPU_RLCG_MMHUB_WRITE (0x2 << 28)
41
42/* error code for indirect register access path supported by rlcg for sriov */
43#define AMDGPU_RLCG_VFGATE_DISABLED 0x4000000
44#define AMDGPU_RLCG_WRONG_OPERATION_TYPE 0x2000000
45#define AMDGPU_RLCG_REG_NOT_IN_RANGE 0x1000000
46
47#define AMDGPU_RLCG_SCRATCH1_ADDRESS_MASK 0xFFFFF
48#define AMDGPU_RLCG_SCRATCH1_ERROR_MASK 0xF000000
49
50/* all asic after AI use this offset */
51#define mmRCC_IOV_FUNC_IDENTIFIER 0xDE5
52/* tonga/fiji use this offset */
53#define mmBIF_IOV_FUNC_IDENTIFIER 0x1503
54
55#define AMDGPU_VF2PF_UPDATE_MAX_RETRY_LIMIT 2
56
57/* Signature used to validate the SR-IOV dynamic critical region init data header ("INDA") */
58#define AMDGPU_SRIOV_CRIT_DATA_SIGNATURE "INDA"
59#define AMDGPU_SRIOV_CRIT_DATA_SIG_LEN 4
60
61#define IS_SRIOV_CRIT_REGN_ENTRY_VALID(hdr, id) ((hdr)->valid_tables & (1 << (id)))
62
63enum amdgpu_sriov_vf_mode {
64 SRIOV_VF_MODE_BARE_METAL = 0,
65 SRIOV_VF_MODE_ONE_VF,
66 SRIOV_VF_MODE_MULTI_VF,
67};
68
69struct amdgpu_mm_table {
70 struct amdgpu_bo *bo;
71 uint32_t *cpu_addr;
72 uint64_t gpu_addr;
73};
74
75#define AMDGPU_VF_ERROR_ENTRY_SIZE 16
76
77/* struct error_entry - amdgpu VF error information. */
78struct amdgpu_vf_error_buffer {
79 struct mutex lock;
80 int read_count;
81 int write_count;
82 uint16_t code[AMDGPU_VF_ERROR_ENTRY_SIZE];
83 uint16_t flags[AMDGPU_VF_ERROR_ENTRY_SIZE];
84 uint64_t data[AMDGPU_VF_ERROR_ENTRY_SIZE];
85};
86
87enum idh_request;
88
89/**
90 * struct amdgpu_virt_ops - amdgpu device virt operations
91 */
92struct amdgpu_virt_ops {
93 int (*req_full_gpu)(struct amdgpu_device *adev, bool init);
94 int (*rel_full_gpu)(struct amdgpu_device *adev, bool init);
95 int (*req_init_data)(struct amdgpu_device *adev);
96 int (*reset_gpu)(struct amdgpu_device *adev);
97 void (*ready_to_reset)(struct amdgpu_device *adev);
98 int (*wait_reset)(struct amdgpu_device *adev);
99 void (*trans_msg)(struct amdgpu_device *adev, enum idh_request req,
100 u32 data1, u32 data2, u32 data3);
101 void (*ras_poison_handler)(struct amdgpu_device *adev,
102 enum amdgpu_ras_block block);
103 bool (*rcvd_ras_intr)(struct amdgpu_device *adev);
104 int (*req_ras_err_count)(struct amdgpu_device *adev);
105 int (*req_ras_cper_dump)(struct amdgpu_device *adev, u64 vf_rptr);
106 int (*req_bad_pages)(struct amdgpu_device *adev);
107 int (*req_ras_chk_criti)(struct amdgpu_device *adev, u64 addr);
108};
109
110/*
111 * Firmware Reserve Frame buffer
112 */
113struct amdgpu_virt_fw_reserve {
114 struct amd_sriov_msg_pf2vf_info_header *p_pf2vf;
115 struct amd_sriov_msg_vf2pf_info_header *p_vf2pf;
116 void *ras_telemetry;
117 unsigned int checksum_key;
118};
119
120/*
121 * Legacy GIM header
122 *
123 * Defination between PF and VF
124 * Structures forcibly aligned to 4 to keep the same style as PF.
125 */
126#define AMDGIM_DATAEXCHANGE_OFFSET (64 * 1024)
127
128#define AMDGIM_GET_STRUCTURE_RESERVED_SIZE(total, u8, u16, u32, u64) \
129 (total - (((u8)+3) / 4 + ((u16)+1) / 2 + (u32) + (u64)*2))
130
131enum AMDGIM_FEATURE_FLAG {
132 /* GIM supports feature of Error log collecting */
133 AMDGIM_FEATURE_ERROR_LOG_COLLECT = 0x1,
134 /* GIM supports feature of loading uCodes */
135 AMDGIM_FEATURE_GIM_LOAD_UCODES = 0x2,
136 /* VRAM LOST by GIM */
137 AMDGIM_FEATURE_GIM_FLR_VRAMLOST = 0x4,
138 /* MM bandwidth */
139 AMDGIM_FEATURE_GIM_MM_BW_MGR = 0x8,
140 /* PP ONE VF MODE in GIM */
141 AMDGIM_FEATURE_PP_ONE_VF = (1 << 4),
142 /* Indirect Reg Access enabled */
143 AMDGIM_FEATURE_INDIRECT_REG_ACCESS = (1 << 5),
144 /* AV1 Support MODE*/
145 AMDGIM_FEATURE_AV1_SUPPORT = (1 << 6),
146 /* VCN RB decouple */
147 AMDGIM_FEATURE_VCN_RB_DECOUPLE = (1 << 7),
148 /* MES info */
149 AMDGIM_FEATURE_MES_INFO_ENABLE = (1 << 8),
150 AMDGIM_FEATURE_RAS_CAPS = (1 << 9),
151 AMDGIM_FEATURE_RAS_TELEMETRY = (1 << 10),
152 AMDGIM_FEATURE_RAS_CPER = (1 << 11),
153 AMDGIM_FEATURE_XGMI_TA_EXT_PEER_LINK = (1 << 12),
154};
155
156enum AMDGIM_REG_ACCESS_FLAG {
157 /* Use PSP to program IH_RB_CNTL */
158 AMDGIM_FEATURE_IH_REG_PSP_EN = (1 << 0),
159 /* Use RLC to program MMHUB regs */
160 AMDGIM_FEATURE_MMHUB_REG_RLC_EN = (1 << 1),
161 /* Use RLC to program GC regs */
162 AMDGIM_FEATURE_GC_REG_RLC_EN = (1 << 2),
163 /* Use PSP to program L1_TLB_CNTL */
164 AMDGIM_FEATURE_L1_TLB_CNTL_PSP_EN = (1 << 3),
165 /* Use RLCG to program SQ_CONFIG1 */
166 AMDGIM_FEATURE_REG_ACCESS_SQ_CONFIG = (1 << 4),
167};
168
169struct amdgim_pf2vf_info_v1 {
170 /* header contains size and version */
171 struct amd_sriov_msg_pf2vf_info_header header;
172 /* max_width * max_height */
173 unsigned int uvd_enc_max_pixels_count;
174 /* 16x16 pixels/sec, codec independent */
175 unsigned int uvd_enc_max_bandwidth;
176 /* max_width * max_height */
177 unsigned int vce_enc_max_pixels_count;
178 /* 16x16 pixels/sec, codec independent */
179 unsigned int vce_enc_max_bandwidth;
180 /* MEC FW position in kb from the start of visible frame buffer */
181 unsigned int mecfw_kboffset;
182 /* The features flags of the GIM driver supports. */
183 unsigned int feature_flags;
184 /* use private key from mailbox 2 to create chueksum */
185 unsigned int checksum;
186} __aligned(4);
187
188struct amdgim_vf2pf_info_v1 {
189 /* header contains size and version */
190 struct amd_sriov_msg_vf2pf_info_header header;
191 /* driver version */
192 char driver_version[64];
193 /* driver certification, 1=WHQL, 0=None */
194 unsigned int driver_cert;
195 /* guest OS type and version: need a define */
196 unsigned int os_info;
197 /* in the unit of 1M */
198 unsigned int fb_usage;
199 /* guest gfx engine usage percentage */
200 unsigned int gfx_usage;
201 /* guest gfx engine health percentage */
202 unsigned int gfx_health;
203 /* guest compute engine usage percentage */
204 unsigned int compute_usage;
205 /* guest compute engine health percentage */
206 unsigned int compute_health;
207 /* guest vce engine usage percentage. 0xffff means N/A. */
208 unsigned int vce_enc_usage;
209 /* guest vce engine health percentage. 0xffff means N/A. */
210 unsigned int vce_enc_health;
211 /* guest uvd engine usage percentage. 0xffff means N/A. */
212 unsigned int uvd_enc_usage;
213 /* guest uvd engine usage percentage. 0xffff means N/A. */
214 unsigned int uvd_enc_health;
215 unsigned int checksum;
216} __aligned(4);
217
218struct amdgim_vf2pf_info_v2 {
219 /* header contains size and version */
220 struct amd_sriov_msg_vf2pf_info_header header;
221 uint32_t checksum;
222 /* driver version */
223 uint8_t driver_version[64];
224 /* driver certification, 1=WHQL, 0=None */
225 uint32_t driver_cert;
226 /* guest OS type and version: need a define */
227 uint32_t os_info;
228 /* in the unit of 1M */
229 uint32_t fb_usage;
230 /* guest gfx engine usage percentage */
231 uint32_t gfx_usage;
232 /* guest gfx engine health percentage */
233 uint32_t gfx_health;
234 /* guest compute engine usage percentage */
235 uint32_t compute_usage;
236 /* guest compute engine health percentage */
237 uint32_t compute_health;
238 /* guest vce engine usage percentage. 0xffff means N/A. */
239 uint32_t vce_enc_usage;
240 /* guest vce engine health percentage. 0xffff means N/A. */
241 uint32_t vce_enc_health;
242 /* guest uvd engine usage percentage. 0xffff means N/A. */
243 uint32_t uvd_enc_usage;
244 /* guest uvd engine usage percentage. 0xffff means N/A. */
245 uint32_t uvd_enc_health;
246 uint32_t reserved[AMDGIM_GET_STRUCTURE_RESERVED_SIZE(256, 64, 0, (12 + sizeof(struct amd_sriov_msg_vf2pf_info_header)/sizeof(uint32_t)), 0)];
247} __aligned(4);
248
249struct amdgpu_virt_ras_err_handler_data {
250 /* point to bad page records array */
251 struct eeprom_table_record *bps;
252 /* point to reserved bo array */
253 struct amdgpu_bo **bps_bo;
254 /* the count of entries */
255 int count;
256 /* last reserved entry's index + 1 */
257 int last_reserved;
258};
259
260struct amdgpu_virt_ras {
261 struct ratelimit_state ras_error_cnt_rs;
262 struct ratelimit_state ras_cper_dump_rs;
263 struct ratelimit_state ras_chk_criti_rs;
264 struct mutex ras_telemetry_mutex;
265 uint64_t cper_rptr;
266};
267
268#define AMDGPU_VIRT_CAPS_LIST(X) X(AMDGPU_VIRT_CAP_POWER_LIMIT)
269
270DECLARE_ATTR_CAP_CLASS(amdgpu_virt, AMDGPU_VIRT_CAPS_LIST);
271
272struct amdgpu_virt_region {
273 uint32_t offset;
274 uint32_t size_kb;
275};
276
277/* GPU virtualization */
278struct amdgpu_virt {
279 uint32_t caps;
280 struct amdgpu_bo *csa_obj;
281 void *csa_cpu_addr;
282 bool chained_ib_support;
283 uint32_t reg_val_offs;
284 struct amdgpu_irq_src ack_irq;
285 struct amdgpu_irq_src rcv_irq;
286
287 struct work_struct flr_work;
288 struct work_struct req_bad_pages_work;
289 struct work_struct handle_bad_pages_work;
290
291 struct amdgpu_mm_table mm_table;
292 const struct amdgpu_virt_ops *ops;
293 struct amdgpu_vf_error_buffer vf_errors;
294 struct amdgpu_virt_fw_reserve fw_reserve;
295 struct amdgpu_virt_caps virt_caps;
296 uint32_t gim_feature;
297 uint32_t reg_access_mode;
298 int req_init_data_ver;
299 bool tdr_debug;
300 struct amdgpu_virt_ras_err_handler_data *virt_eh_data;
301 bool ras_init_done;
302 uint32_t reg_access;
303
304 /* dynamic(v2) critical regions */
305 struct amdgpu_virt_region init_data_header;
306 struct amdgpu_virt_region crit_regn;
307 struct amdgpu_virt_region crit_regn_tbl[AMD_SRIOV_MSG_MAX_TABLE_ID];
308 bool is_dynamic_crit_regn_enabled;
309
310 /* vf2pf message */
311 struct delayed_work vf2pf_work;
312 uint32_t vf2pf_update_interval_ms;
313 int vf2pf_update_retry_cnt;
314
315 /* multimedia bandwidth config */
316 bool is_mm_bw_enabled;
317 uint32_t decode_max_dimension_pixels;
318 uint32_t decode_max_frame_pixels;
319 uint32_t encode_max_dimension_pixels;
320 uint32_t encode_max_frame_pixels;
321
322 /* the ucode id to signal the autoload */
323 uint32_t autoload_ucode_id;
324
325 /* Spinlock to protect access to the RLCG register interface */
326 spinlock_t rlcg_reg_lock;
327
328 struct mutex access_req_mutex;
329
330 union amd_sriov_ras_caps ras_en_caps;
331 union amd_sriov_ras_caps ras_telemetry_en_caps;
332 struct amdgpu_virt_ras ras;
333 struct amd_sriov_ras_telemetry_error_count count_cache;
334
335 /* hibernate and resume with different VF feature for xgmi enabled system */
336 bool is_xgmi_node_migrate_enabled;
337};
338
339struct amdgpu_video_codec_info;
340
341#define amdgpu_sriov_enabled(adev) \
342((adev)->virt.caps & AMDGPU_SRIOV_CAPS_ENABLE_IOV)
343
344#define amdgpu_sriov_vf(adev) \
345((adev)->virt.caps & AMDGPU_SRIOV_CAPS_IS_VF)
346
347#define amdgpu_sriov_bios(adev) \
348((adev)->virt.caps & AMDGPU_SRIOV_CAPS_SRIOV_VBIOS)
349
350#define amdgpu_sriov_runtime(adev) \
351((adev)->virt.caps & AMDGPU_SRIOV_CAPS_RUNTIME)
352
353#define amdgpu_sriov_fullaccess(adev) \
354(amdgpu_sriov_vf((adev)) && !amdgpu_sriov_runtime((adev)))
355
356#define amdgpu_sriov_reg_indirect_en(adev) \
357(amdgpu_sriov_vf((adev)) && \
358 ((adev)->virt.gim_feature & (AMDGIM_FEATURE_INDIRECT_REG_ACCESS)))
359
360#define amdgpu_sriov_reg_indirect_ih(adev) \
361(amdgpu_sriov_vf((adev)) && \
362 ((adev)->virt.reg_access & (AMDGIM_FEATURE_IH_REG_PSP_EN)))
363
364#define amdgpu_sriov_reg_indirect_mmhub(adev) \
365(amdgpu_sriov_vf((adev)) && \
366 ((adev)->virt.reg_access & (AMDGIM_FEATURE_MMHUB_REG_RLC_EN)))
367
368#define amdgpu_sriov_reg_indirect_gc(adev) \
369(amdgpu_sriov_vf((adev)) && \
370 ((adev)->virt.reg_access & (AMDGIM_FEATURE_GC_REG_RLC_EN)))
371
372#define amdgpu_sriov_reg_indirect_l1_tlb_cntl(adev) \
373(amdgpu_sriov_vf((adev)) && \
374 ((adev)->virt.reg_access & (AMDGIM_FEATURE_L1_TLB_CNTL_PSP_EN)))
375
376#define amdgpu_sriov_rlcg_error_report_enabled(adev) \
377 (amdgpu_sriov_reg_indirect_mmhub(adev) || amdgpu_sriov_reg_indirect_gc(adev))
378
379#define amdgpu_sriov_reg_access_sq_config(adev) \
380(amdgpu_sriov_vf((adev)) && \
381 ((adev)->virt.reg_access & (AMDGIM_FEATURE_REG_ACCESS_SQ_CONFIG)))
382
383#define amdgpu_passthrough(adev) \
384((adev)->virt.caps & AMDGPU_PASSTHROUGH_MODE)
385
386#define amdgpu_sriov_vf_mmio_access_protection(adev) \
387((adev)->virt.caps & AMDGPU_VF_MMIO_ACCESS_PROTECT)
388
389#define amdgpu_sriov_ras_caps_en(adev) \
390((adev)->virt.gim_feature & AMDGIM_FEATURE_RAS_CAPS)
391
392#define amdgpu_sriov_ras_telemetry_en(adev) \
393(((adev)->virt.gim_feature & AMDGIM_FEATURE_RAS_TELEMETRY) && (adev)->virt.fw_reserve.ras_telemetry)
394
395#define amdgpu_sriov_ras_telemetry_block_en(adev, sriov_blk) \
396(amdgpu_sriov_ras_telemetry_en((adev)) && (adev)->virt.ras_telemetry_en_caps.all & BIT(sriov_blk))
397
398#define amdgpu_sriov_ras_cper_en(adev) \
399((adev)->virt.gim_feature & AMDGIM_FEATURE_RAS_CPER)
400
401#define amdgpu_sriov_xgmi_ta_ext_peer_link_en(adev) \
402((adev)->virt.gim_feature & AMDGIM_FEATURE_XGMI_TA_EXT_PEER_LINK)
403
404static inline bool is_virtual_machine(void)
405{
406#if defined(CONFIG_X86)
407 return boot_cpu_has(X86_FEATURE_HYPERVISOR);
408#elif defined(CONFIG_ARM64)
409 return !is_kernel_in_hyp_mode();
410#else
411 return false;
412#endif
413}
414
415#define amdgpu_sriov_is_pp_one_vf(adev) \
416 ((adev)->virt.gim_feature & AMDGIM_FEATURE_PP_ONE_VF)
417#define amdgpu_sriov_multi_vf_mode(adev) \
418 (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
419#define amdgpu_sriov_is_debug(adev) \
420 ((!amdgpu_in_reset(adev)) && adev->virt.tdr_debug)
421#define amdgpu_sriov_is_normal(adev) \
422 ((!amdgpu_in_reset(adev)) && (!adev->virt.tdr_debug))
423#define amdgpu_sriov_is_av1_support(adev) \
424 ((adev)->virt.gim_feature & AMDGIM_FEATURE_AV1_SUPPORT)
425#define amdgpu_sriov_is_vcn_rb_decouple(adev) \
426 ((adev)->virt.gim_feature & AMDGIM_FEATURE_VCN_RB_DECOUPLE)
427#define amdgpu_sriov_is_mes_info_enable(adev) \
428 ((adev)->virt.gim_feature & AMDGIM_FEATURE_MES_INFO_ENABLE)
429
430#define amdgpu_virt_xgmi_migrate_enabled(adev) \
431 ((adev)->virt.is_xgmi_node_migrate_enabled && (adev)->gmc.xgmi.node_segment_size != 0)
432
433bool amdgpu_virt_mmio_blocked(struct amdgpu_device *adev);
434void amdgpu_virt_init_setting(struct amdgpu_device *adev);
435int amdgpu_virt_request_full_gpu(struct amdgpu_device *adev, bool init);
436int amdgpu_virt_release_full_gpu(struct amdgpu_device *adev, bool init);
437int amdgpu_virt_reset_gpu(struct amdgpu_device *adev);
438void amdgpu_virt_request_init_data(struct amdgpu_device *adev);
439void amdgpu_virt_ready_to_reset(struct amdgpu_device *adev);
440int amdgpu_virt_wait_reset(struct amdgpu_device *adev);
441int amdgpu_virt_alloc_mm_table(struct amdgpu_device *adev);
442void amdgpu_virt_free_mm_table(struct amdgpu_device *adev);
443bool amdgpu_virt_rcvd_ras_interrupt(struct amdgpu_device *adev);
444void amdgpu_virt_release_ras_err_handler_data(struct amdgpu_device *adev);
445void amdgpu_virt_init_data_exchange(struct amdgpu_device *adev);
446void amdgpu_virt_exchange_data(struct amdgpu_device *adev);
447void amdgpu_virt_fini_data_exchange(struct amdgpu_device *adev);
448void amdgpu_virt_init(struct amdgpu_device *adev);
449
450int amdgpu_virt_init_critical_region(struct amdgpu_device *adev);
451int amdgpu_virt_get_dynamic_data_info(struct amdgpu_device *adev,
452 int data_id, uint8_t *binary, u32 *size);
453
454bool amdgpu_virt_can_access_debugfs(struct amdgpu_device *adev);
455int amdgpu_virt_enable_access_debugfs(struct amdgpu_device *adev);
456void amdgpu_virt_disable_access_debugfs(struct amdgpu_device *adev);
457
458enum amdgpu_sriov_vf_mode amdgpu_virt_get_sriov_vf_mode(struct amdgpu_device *adev);
459
460void amdgpu_virt_update_sriov_video_codec(struct amdgpu_device *adev,
461 struct amdgpu_video_codec_info *encode, uint32_t encode_array_size,
462 struct amdgpu_video_codec_info *decode, uint32_t decode_array_size);
463void amdgpu_sriov_wreg(struct amdgpu_device *adev,
464 u32 offset, u32 value,
465 u32 acc_flags, u32 hwip, u32 xcc_id);
466u32 amdgpu_sriov_rreg(struct amdgpu_device *adev,
467 u32 offset, u32 acc_flags, u32 hwip, u32 xcc_id);
468bool amdgpu_virt_fw_load_skip_check(struct amdgpu_device *adev,
469 uint32_t ucode_id);
470void amdgpu_virt_pre_reset(struct amdgpu_device *adev);
471void amdgpu_virt_post_reset(struct amdgpu_device *adev);
472bool amdgpu_sriov_xnack_support(struct amdgpu_device *adev);
473bool amdgpu_virt_get_rlcg_reg_access_flag(struct amdgpu_device *adev,
474 u32 acc_flags, u32 hwip,
475 bool write, u32 *rlcg_flag);
476u32 amdgpu_virt_rlcg_reg_rw(struct amdgpu_device *adev, u32 offset, u32 v, u32 flag, u32 xcc_id);
477bool amdgpu_virt_get_ras_capability(struct amdgpu_device *adev);
478int amdgpu_virt_req_ras_err_count(struct amdgpu_device *adev, enum amdgpu_ras_block block,
479 struct ras_err_data *err_data);
480int amdgpu_virt_req_ras_cper_dump(struct amdgpu_device *adev, bool force_update);
481int amdgpu_virt_ras_telemetry_post_reset(struct amdgpu_device *adev);
482bool amdgpu_virt_ras_telemetry_block_en(struct amdgpu_device *adev,
483 enum amdgpu_ras_block block);
484void amdgpu_virt_request_bad_pages(struct amdgpu_device *adev);
485int amdgpu_virt_check_vf_critical_region(struct amdgpu_device *adev, u64 addr, bool *hit);
486#endif
487

source code of linux/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h