xref: /openbmc/linux/drivers/gpu/drm/i915/gvt/handlers.c (revision 84b102f5)
1 /*
2  * Copyright(c) 2011-2016 Intel Corporation. All rights reserved.
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 (including the next
12  * paragraph) shall be included in all copies or substantial portions of the
13  * Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21  * SOFTWARE.
22  *
23  * Authors:
24  *    Kevin Tian <kevin.tian@intel.com>
25  *    Eddie Dong <eddie.dong@intel.com>
26  *    Zhiyuan Lv <zhiyuan.lv@intel.com>
27  *
28  * Contributors:
29  *    Min He <min.he@intel.com>
30  *    Tina Zhang <tina.zhang@intel.com>
31  *    Pei Zhang <pei.zhang@intel.com>
32  *    Niu Bing <bing.niu@intel.com>
33  *    Ping Gao <ping.a.gao@intel.com>
34  *    Zhi Wang <zhi.a.wang@intel.com>
35  *
36 
37  */
38 
39 #include "i915_drv.h"
40 #include "gvt.h"
41 #include "i915_pvinfo.h"
42 
43 /* XXX FIXME i915 has changed PP_XXX definition */
44 #define PCH_PP_STATUS  _MMIO(0xc7200)
45 #define PCH_PP_CONTROL _MMIO(0xc7204)
46 #define PCH_PP_ON_DELAYS _MMIO(0xc7208)
47 #define PCH_PP_OFF_DELAYS _MMIO(0xc720c)
48 #define PCH_PP_DIVISOR _MMIO(0xc7210)
49 
50 unsigned long intel_gvt_get_device_type(struct intel_gvt *gvt)
51 {
52 	struct drm_i915_private *i915 = gvt->gt->i915;
53 
54 	if (IS_BROADWELL(i915))
55 		return D_BDW;
56 	else if (IS_SKYLAKE(i915))
57 		return D_SKL;
58 	else if (IS_KABYLAKE(i915))
59 		return D_KBL;
60 	else if (IS_BROXTON(i915))
61 		return D_BXT;
62 	else if (IS_COFFEELAKE(i915) || IS_COMETLAKE(i915))
63 		return D_CFL;
64 
65 	return 0;
66 }
67 
68 bool intel_gvt_match_device(struct intel_gvt *gvt,
69 		unsigned long device)
70 {
71 	return intel_gvt_get_device_type(gvt) & device;
72 }
73 
74 static void read_vreg(struct intel_vgpu *vgpu, unsigned int offset,
75 	void *p_data, unsigned int bytes)
76 {
77 	memcpy(p_data, &vgpu_vreg(vgpu, offset), bytes);
78 }
79 
80 static void write_vreg(struct intel_vgpu *vgpu, unsigned int offset,
81 	void *p_data, unsigned int bytes)
82 {
83 	memcpy(&vgpu_vreg(vgpu, offset), p_data, bytes);
84 }
85 
86 static struct intel_gvt_mmio_info *find_mmio_info(struct intel_gvt *gvt,
87 						  unsigned int offset)
88 {
89 	struct intel_gvt_mmio_info *e;
90 
91 	hash_for_each_possible(gvt->mmio.mmio_info_table, e, node, offset) {
92 		if (e->offset == offset)
93 			return e;
94 	}
95 	return NULL;
96 }
97 
98 static int new_mmio_info(struct intel_gvt *gvt,
99 		u32 offset, u8 flags, u32 size,
100 		u32 addr_mask, u32 ro_mask, u32 device,
101 		gvt_mmio_func read, gvt_mmio_func write)
102 {
103 	struct intel_gvt_mmio_info *info, *p;
104 	u32 start, end, i;
105 
106 	if (!intel_gvt_match_device(gvt, device))
107 		return 0;
108 
109 	if (WARN_ON(!IS_ALIGNED(offset, 4)))
110 		return -EINVAL;
111 
112 	start = offset;
113 	end = offset + size;
114 
115 	for (i = start; i < end; i += 4) {
116 		info = kzalloc(sizeof(*info), GFP_KERNEL);
117 		if (!info)
118 			return -ENOMEM;
119 
120 		info->offset = i;
121 		p = find_mmio_info(gvt, info->offset);
122 		if (p) {
123 			WARN(1, "dup mmio definition offset %x\n",
124 				info->offset);
125 			kfree(info);
126 
127 			/* We return -EEXIST here to make GVT-g load fail.
128 			 * So duplicated MMIO can be found as soon as
129 			 * possible.
130 			 */
131 			return -EEXIST;
132 		}
133 
134 		info->ro_mask = ro_mask;
135 		info->device = device;
136 		info->read = read ? read : intel_vgpu_default_mmio_read;
137 		info->write = write ? write : intel_vgpu_default_mmio_write;
138 		gvt->mmio.mmio_attribute[info->offset / 4] = flags;
139 		INIT_HLIST_NODE(&info->node);
140 		hash_add(gvt->mmio.mmio_info_table, &info->node, info->offset);
141 		gvt->mmio.num_tracked_mmio++;
142 	}
143 	return 0;
144 }
145 
146 /**
147  * intel_gvt_render_mmio_to_engine - convert a mmio offset into the engine
148  * @gvt: a GVT device
149  * @offset: register offset
150  *
151  * Returns:
152  * The engine containing the offset within its mmio page.
153  */
154 const struct intel_engine_cs *
155 intel_gvt_render_mmio_to_engine(struct intel_gvt *gvt, unsigned int offset)
156 {
157 	struct intel_engine_cs *engine;
158 	enum intel_engine_id id;
159 
160 	offset &= ~GENMASK(11, 0);
161 	for_each_engine(engine, gvt->gt, id)
162 		if (engine->mmio_base == offset)
163 			return engine;
164 
165 	return NULL;
166 }
167 
168 #define offset_to_fence_num(offset) \
169 	((offset - i915_mmio_reg_offset(FENCE_REG_GEN6_LO(0))) >> 3)
170 
171 #define fence_num_to_offset(num) \
172 	(num * 8 + i915_mmio_reg_offset(FENCE_REG_GEN6_LO(0)))
173 
174 
175 void enter_failsafe_mode(struct intel_vgpu *vgpu, int reason)
176 {
177 	switch (reason) {
178 	case GVT_FAILSAFE_UNSUPPORTED_GUEST:
179 		pr_err("Detected your guest driver doesn't support GVT-g.\n");
180 		break;
181 	case GVT_FAILSAFE_INSUFFICIENT_RESOURCE:
182 		pr_err("Graphics resource is not enough for the guest\n");
183 		break;
184 	case GVT_FAILSAFE_GUEST_ERR:
185 		pr_err("GVT Internal error  for the guest\n");
186 		break;
187 	default:
188 		break;
189 	}
190 	pr_err("Now vgpu %d will enter failsafe mode.\n", vgpu->id);
191 	vgpu->failsafe = true;
192 }
193 
194 static int sanitize_fence_mmio_access(struct intel_vgpu *vgpu,
195 		unsigned int fence_num, void *p_data, unsigned int bytes)
196 {
197 	unsigned int max_fence = vgpu_fence_sz(vgpu);
198 
199 	if (fence_num >= max_fence) {
200 		gvt_vgpu_err("access oob fence reg %d/%d\n",
201 			     fence_num, max_fence);
202 
203 		/* When guest access oob fence regs without access
204 		 * pv_info first, we treat guest not supporting GVT,
205 		 * and we will let vgpu enter failsafe mode.
206 		 */
207 		if (!vgpu->pv_notified)
208 			enter_failsafe_mode(vgpu,
209 					GVT_FAILSAFE_UNSUPPORTED_GUEST);
210 
211 		memset(p_data, 0, bytes);
212 		return -EINVAL;
213 	}
214 	return 0;
215 }
216 
217 static int gamw_echo_dev_rw_ia_write(struct intel_vgpu *vgpu,
218 		unsigned int offset, void *p_data, unsigned int bytes)
219 {
220 	u32 ips = (*(u32 *)p_data) & GAMW_ECO_ENABLE_64K_IPS_FIELD;
221 
222 	if (INTEL_GEN(vgpu->gvt->gt->i915) <= 10) {
223 		if (ips == GAMW_ECO_ENABLE_64K_IPS_FIELD)
224 			gvt_dbg_core("vgpu%d: ips enabled\n", vgpu->id);
225 		else if (!ips)
226 			gvt_dbg_core("vgpu%d: ips disabled\n", vgpu->id);
227 		else {
228 			/* All engines must be enabled together for vGPU,
229 			 * since we don't know which engine the ppgtt will
230 			 * bind to when shadowing.
231 			 */
232 			gvt_vgpu_err("Unsupported IPS setting %x, cannot enable 64K gtt.\n",
233 				     ips);
234 			return -EINVAL;
235 		}
236 	}
237 
238 	write_vreg(vgpu, offset, p_data, bytes);
239 	return 0;
240 }
241 
242 static int fence_mmio_read(struct intel_vgpu *vgpu, unsigned int off,
243 		void *p_data, unsigned int bytes)
244 {
245 	int ret;
246 
247 	ret = sanitize_fence_mmio_access(vgpu, offset_to_fence_num(off),
248 			p_data, bytes);
249 	if (ret)
250 		return ret;
251 	read_vreg(vgpu, off, p_data, bytes);
252 	return 0;
253 }
254 
255 static int fence_mmio_write(struct intel_vgpu *vgpu, unsigned int off,
256 		void *p_data, unsigned int bytes)
257 {
258 	struct intel_gvt *gvt = vgpu->gvt;
259 	unsigned int fence_num = offset_to_fence_num(off);
260 	int ret;
261 
262 	ret = sanitize_fence_mmio_access(vgpu, fence_num, p_data, bytes);
263 	if (ret)
264 		return ret;
265 	write_vreg(vgpu, off, p_data, bytes);
266 
267 	mmio_hw_access_pre(gvt->gt);
268 	intel_vgpu_write_fence(vgpu, fence_num,
269 			vgpu_vreg64(vgpu, fence_num_to_offset(fence_num)));
270 	mmio_hw_access_post(gvt->gt);
271 	return 0;
272 }
273 
274 #define CALC_MODE_MASK_REG(old, new) \
275 	(((new) & GENMASK(31, 16)) \
276 	 | ((((old) & GENMASK(15, 0)) & ~((new) >> 16)) \
277 	 | ((new) & ((new) >> 16))))
278 
279 static int mul_force_wake_write(struct intel_vgpu *vgpu,
280 		unsigned int offset, void *p_data, unsigned int bytes)
281 {
282 	u32 old, new;
283 	u32 ack_reg_offset;
284 
285 	old = vgpu_vreg(vgpu, offset);
286 	new = CALC_MODE_MASK_REG(old, *(u32 *)p_data);
287 
288 	if (INTEL_GEN(vgpu->gvt->gt->i915)  >=  9) {
289 		switch (offset) {
290 		case FORCEWAKE_RENDER_GEN9_REG:
291 			ack_reg_offset = FORCEWAKE_ACK_RENDER_GEN9_REG;
292 			break;
293 		case FORCEWAKE_GT_GEN9_REG:
294 			ack_reg_offset = FORCEWAKE_ACK_GT_GEN9_REG;
295 			break;
296 		case FORCEWAKE_MEDIA_GEN9_REG:
297 			ack_reg_offset = FORCEWAKE_ACK_MEDIA_GEN9_REG;
298 			break;
299 		default:
300 			/*should not hit here*/
301 			gvt_vgpu_err("invalid forcewake offset 0x%x\n", offset);
302 			return -EINVAL;
303 		}
304 	} else {
305 		ack_reg_offset = FORCEWAKE_ACK_HSW_REG;
306 	}
307 
308 	vgpu_vreg(vgpu, offset) = new;
309 	vgpu_vreg(vgpu, ack_reg_offset) = (new & GENMASK(15, 0));
310 	return 0;
311 }
312 
313 static int gdrst_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
314 			    void *p_data, unsigned int bytes)
315 {
316 	intel_engine_mask_t engine_mask = 0;
317 	u32 data;
318 
319 	write_vreg(vgpu, offset, p_data, bytes);
320 	data = vgpu_vreg(vgpu, offset);
321 
322 	if (data & GEN6_GRDOM_FULL) {
323 		gvt_dbg_mmio("vgpu%d: request full GPU reset\n", vgpu->id);
324 		engine_mask = ALL_ENGINES;
325 	} else {
326 		if (data & GEN6_GRDOM_RENDER) {
327 			gvt_dbg_mmio("vgpu%d: request RCS reset\n", vgpu->id);
328 			engine_mask |= BIT(RCS0);
329 		}
330 		if (data & GEN6_GRDOM_MEDIA) {
331 			gvt_dbg_mmio("vgpu%d: request VCS reset\n", vgpu->id);
332 			engine_mask |= BIT(VCS0);
333 		}
334 		if (data & GEN6_GRDOM_BLT) {
335 			gvt_dbg_mmio("vgpu%d: request BCS Reset\n", vgpu->id);
336 			engine_mask |= BIT(BCS0);
337 		}
338 		if (data & GEN6_GRDOM_VECS) {
339 			gvt_dbg_mmio("vgpu%d: request VECS Reset\n", vgpu->id);
340 			engine_mask |= BIT(VECS0);
341 		}
342 		if (data & GEN8_GRDOM_MEDIA2) {
343 			gvt_dbg_mmio("vgpu%d: request VCS2 Reset\n", vgpu->id);
344 			engine_mask |= BIT(VCS1);
345 		}
346 		if (data & GEN9_GRDOM_GUC) {
347 			gvt_dbg_mmio("vgpu%d: request GUC Reset\n", vgpu->id);
348 			vgpu_vreg_t(vgpu, GUC_STATUS) |= GS_MIA_IN_RESET;
349 		}
350 		engine_mask &= vgpu->gvt->gt->info.engine_mask;
351 	}
352 
353 	/* vgpu_lock already hold by emulate mmio r/w */
354 	intel_gvt_reset_vgpu_locked(vgpu, false, engine_mask);
355 
356 	/* sw will wait for the device to ack the reset request */
357 	vgpu_vreg(vgpu, offset) = 0;
358 
359 	return 0;
360 }
361 
362 static int gmbus_mmio_read(struct intel_vgpu *vgpu, unsigned int offset,
363 		void *p_data, unsigned int bytes)
364 {
365 	return intel_gvt_i2c_handle_gmbus_read(vgpu, offset, p_data, bytes);
366 }
367 
368 static int gmbus_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
369 		void *p_data, unsigned int bytes)
370 {
371 	return intel_gvt_i2c_handle_gmbus_write(vgpu, offset, p_data, bytes);
372 }
373 
374 static int pch_pp_control_mmio_write(struct intel_vgpu *vgpu,
375 		unsigned int offset, void *p_data, unsigned int bytes)
376 {
377 	write_vreg(vgpu, offset, p_data, bytes);
378 
379 	if (vgpu_vreg(vgpu, offset) & PANEL_POWER_ON) {
380 		vgpu_vreg_t(vgpu, PCH_PP_STATUS) |= PP_ON;
381 		vgpu_vreg_t(vgpu, PCH_PP_STATUS) |= PP_SEQUENCE_STATE_ON_IDLE;
382 		vgpu_vreg_t(vgpu, PCH_PP_STATUS) &= ~PP_SEQUENCE_POWER_DOWN;
383 		vgpu_vreg_t(vgpu, PCH_PP_STATUS) &= ~PP_CYCLE_DELAY_ACTIVE;
384 
385 	} else
386 		vgpu_vreg_t(vgpu, PCH_PP_STATUS) &=
387 			~(PP_ON | PP_SEQUENCE_POWER_DOWN
388 					| PP_CYCLE_DELAY_ACTIVE);
389 	return 0;
390 }
391 
392 static int transconf_mmio_write(struct intel_vgpu *vgpu,
393 		unsigned int offset, void *p_data, unsigned int bytes)
394 {
395 	write_vreg(vgpu, offset, p_data, bytes);
396 
397 	if (vgpu_vreg(vgpu, offset) & TRANS_ENABLE)
398 		vgpu_vreg(vgpu, offset) |= TRANS_STATE_ENABLE;
399 	else
400 		vgpu_vreg(vgpu, offset) &= ~TRANS_STATE_ENABLE;
401 	return 0;
402 }
403 
404 static int lcpll_ctl_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
405 		void *p_data, unsigned int bytes)
406 {
407 	write_vreg(vgpu, offset, p_data, bytes);
408 
409 	if (vgpu_vreg(vgpu, offset) & LCPLL_PLL_DISABLE)
410 		vgpu_vreg(vgpu, offset) &= ~LCPLL_PLL_LOCK;
411 	else
412 		vgpu_vreg(vgpu, offset) |= LCPLL_PLL_LOCK;
413 
414 	if (vgpu_vreg(vgpu, offset) & LCPLL_CD_SOURCE_FCLK)
415 		vgpu_vreg(vgpu, offset) |= LCPLL_CD_SOURCE_FCLK_DONE;
416 	else
417 		vgpu_vreg(vgpu, offset) &= ~LCPLL_CD_SOURCE_FCLK_DONE;
418 
419 	return 0;
420 }
421 
422 static int dpy_reg_mmio_read(struct intel_vgpu *vgpu, unsigned int offset,
423 		void *p_data, unsigned int bytes)
424 {
425 	switch (offset) {
426 	case 0xe651c:
427 	case 0xe661c:
428 	case 0xe671c:
429 	case 0xe681c:
430 		vgpu_vreg(vgpu, offset) = 1 << 17;
431 		break;
432 	case 0xe6c04:
433 		vgpu_vreg(vgpu, offset) = 0x3;
434 		break;
435 	case 0xe6e1c:
436 		vgpu_vreg(vgpu, offset) = 0x2f << 16;
437 		break;
438 	default:
439 		return -EINVAL;
440 	}
441 
442 	read_vreg(vgpu, offset, p_data, bytes);
443 	return 0;
444 }
445 
446 static int pipeconf_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
447 		void *p_data, unsigned int bytes)
448 {
449 	u32 data;
450 
451 	write_vreg(vgpu, offset, p_data, bytes);
452 	data = vgpu_vreg(vgpu, offset);
453 
454 	if (data & PIPECONF_ENABLE)
455 		vgpu_vreg(vgpu, offset) |= I965_PIPECONF_ACTIVE;
456 	else
457 		vgpu_vreg(vgpu, offset) &= ~I965_PIPECONF_ACTIVE;
458 	/* vgpu_lock already hold by emulate mmio r/w */
459 	mutex_unlock(&vgpu->vgpu_lock);
460 	intel_gvt_check_vblank_emulation(vgpu->gvt);
461 	mutex_lock(&vgpu->vgpu_lock);
462 	return 0;
463 }
464 
465 /* sorted in ascending order */
466 static i915_reg_t force_nonpriv_white_list[] = {
467 	_MMIO(0xd80),
468 	GEN9_CS_DEBUG_MODE1, //_MMIO(0x20ec)
469 	GEN9_CTX_PREEMPT_REG,//_MMIO(0x2248)
470 	CL_PRIMITIVES_COUNT, //_MMIO(0x2340)
471 	PS_INVOCATION_COUNT, //_MMIO(0x2348)
472 	PS_DEPTH_COUNT, //_MMIO(0x2350)
473 	GEN8_CS_CHICKEN1,//_MMIO(0x2580)
474 	_MMIO(0x2690),
475 	_MMIO(0x2694),
476 	_MMIO(0x2698),
477 	_MMIO(0x2754),
478 	_MMIO(0x28a0),
479 	_MMIO(0x4de0),
480 	_MMIO(0x4de4),
481 	_MMIO(0x4dfc),
482 	GEN7_COMMON_SLICE_CHICKEN1,//_MMIO(0x7010)
483 	_MMIO(0x7014),
484 	HDC_CHICKEN0,//_MMIO(0x7300)
485 	GEN8_HDC_CHICKEN1,//_MMIO(0x7304)
486 	_MMIO(0x7700),
487 	_MMIO(0x7704),
488 	_MMIO(0x7708),
489 	_MMIO(0x770c),
490 	_MMIO(0x83a8),
491 	_MMIO(0xb110),
492 	GEN8_L3SQCREG4,//_MMIO(0xb118)
493 	_MMIO(0xe100),
494 	_MMIO(0xe18c),
495 	_MMIO(0xe48c),
496 	_MMIO(0xe5f4),
497 	_MMIO(0x64844),
498 };
499 
500 /* a simple bsearch */
501 static inline bool in_whitelist(u32 reg)
502 {
503 	int left = 0, right = ARRAY_SIZE(force_nonpriv_white_list);
504 	i915_reg_t *array = force_nonpriv_white_list;
505 
506 	while (left < right) {
507 		int mid = (left + right)/2;
508 
509 		if (reg > array[mid].reg)
510 			left = mid + 1;
511 		else if (reg < array[mid].reg)
512 			right = mid;
513 		else
514 			return true;
515 	}
516 	return false;
517 }
518 
519 static int force_nonpriv_write(struct intel_vgpu *vgpu,
520 	unsigned int offset, void *p_data, unsigned int bytes)
521 {
522 	u32 reg_nonpriv = (*(u32 *)p_data) & REG_GENMASK(25, 2);
523 	const struct intel_engine_cs *engine =
524 		intel_gvt_render_mmio_to_engine(vgpu->gvt, offset);
525 
526 	if (bytes != 4 || !IS_ALIGNED(offset, bytes) || !engine) {
527 		gvt_err("vgpu(%d) Invalid FORCE_NONPRIV offset %x(%dB)\n",
528 			vgpu->id, offset, bytes);
529 		return -EINVAL;
530 	}
531 
532 	if (!in_whitelist(reg_nonpriv) &&
533 	    reg_nonpriv != i915_mmio_reg_offset(RING_NOPID(engine->mmio_base))) {
534 		gvt_err("vgpu(%d) Invalid FORCE_NONPRIV write %x at offset %x\n",
535 			vgpu->id, reg_nonpriv, offset);
536 	} else
537 		intel_vgpu_default_mmio_write(vgpu, offset, p_data, bytes);
538 
539 	return 0;
540 }
541 
542 static int ddi_buf_ctl_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
543 		void *p_data, unsigned int bytes)
544 {
545 	write_vreg(vgpu, offset, p_data, bytes);
546 
547 	if (vgpu_vreg(vgpu, offset) & DDI_BUF_CTL_ENABLE) {
548 		vgpu_vreg(vgpu, offset) &= ~DDI_BUF_IS_IDLE;
549 	} else {
550 		vgpu_vreg(vgpu, offset) |= DDI_BUF_IS_IDLE;
551 		if (offset == i915_mmio_reg_offset(DDI_BUF_CTL(PORT_E)))
552 			vgpu_vreg_t(vgpu, DP_TP_STATUS(PORT_E))
553 				&= ~DP_TP_STATUS_AUTOTRAIN_DONE;
554 	}
555 	return 0;
556 }
557 
558 static int fdi_rx_iir_mmio_write(struct intel_vgpu *vgpu,
559 		unsigned int offset, void *p_data, unsigned int bytes)
560 {
561 	vgpu_vreg(vgpu, offset) &= ~*(u32 *)p_data;
562 	return 0;
563 }
564 
565 #define FDI_LINK_TRAIN_PATTERN1         0
566 #define FDI_LINK_TRAIN_PATTERN2         1
567 
568 static int fdi_auto_training_started(struct intel_vgpu *vgpu)
569 {
570 	u32 ddi_buf_ctl = vgpu_vreg_t(vgpu, DDI_BUF_CTL(PORT_E));
571 	u32 rx_ctl = vgpu_vreg(vgpu, _FDI_RXA_CTL);
572 	u32 tx_ctl = vgpu_vreg_t(vgpu, DP_TP_CTL(PORT_E));
573 
574 	if ((ddi_buf_ctl & DDI_BUF_CTL_ENABLE) &&
575 			(rx_ctl & FDI_RX_ENABLE) &&
576 			(rx_ctl & FDI_AUTO_TRAINING) &&
577 			(tx_ctl & DP_TP_CTL_ENABLE) &&
578 			(tx_ctl & DP_TP_CTL_FDI_AUTOTRAIN))
579 		return 1;
580 	else
581 		return 0;
582 }
583 
584 static int check_fdi_rx_train_status(struct intel_vgpu *vgpu,
585 		enum pipe pipe, unsigned int train_pattern)
586 {
587 	i915_reg_t fdi_rx_imr, fdi_tx_ctl, fdi_rx_ctl;
588 	unsigned int fdi_rx_check_bits, fdi_tx_check_bits;
589 	unsigned int fdi_rx_train_bits, fdi_tx_train_bits;
590 	unsigned int fdi_iir_check_bits;
591 
592 	fdi_rx_imr = FDI_RX_IMR(pipe);
593 	fdi_tx_ctl = FDI_TX_CTL(pipe);
594 	fdi_rx_ctl = FDI_RX_CTL(pipe);
595 
596 	if (train_pattern == FDI_LINK_TRAIN_PATTERN1) {
597 		fdi_rx_train_bits = FDI_LINK_TRAIN_PATTERN_1_CPT;
598 		fdi_tx_train_bits = FDI_LINK_TRAIN_PATTERN_1;
599 		fdi_iir_check_bits = FDI_RX_BIT_LOCK;
600 	} else if (train_pattern == FDI_LINK_TRAIN_PATTERN2) {
601 		fdi_rx_train_bits = FDI_LINK_TRAIN_PATTERN_2_CPT;
602 		fdi_tx_train_bits = FDI_LINK_TRAIN_PATTERN_2;
603 		fdi_iir_check_bits = FDI_RX_SYMBOL_LOCK;
604 	} else {
605 		gvt_vgpu_err("Invalid train pattern %d\n", train_pattern);
606 		return -EINVAL;
607 	}
608 
609 	fdi_rx_check_bits = FDI_RX_ENABLE | fdi_rx_train_bits;
610 	fdi_tx_check_bits = FDI_TX_ENABLE | fdi_tx_train_bits;
611 
612 	/* If imr bit has been masked */
613 	if (vgpu_vreg_t(vgpu, fdi_rx_imr) & fdi_iir_check_bits)
614 		return 0;
615 
616 	if (((vgpu_vreg_t(vgpu, fdi_tx_ctl) & fdi_tx_check_bits)
617 			== fdi_tx_check_bits)
618 		&& ((vgpu_vreg_t(vgpu, fdi_rx_ctl) & fdi_rx_check_bits)
619 			== fdi_rx_check_bits))
620 		return 1;
621 	else
622 		return 0;
623 }
624 
625 #define INVALID_INDEX (~0U)
626 
627 static unsigned int calc_index(unsigned int offset, unsigned int start,
628 	unsigned int next, unsigned int end, i915_reg_t i915_end)
629 {
630 	unsigned int range = next - start;
631 
632 	if (!end)
633 		end = i915_mmio_reg_offset(i915_end);
634 	if (offset < start || offset > end)
635 		return INVALID_INDEX;
636 	offset -= start;
637 	return offset / range;
638 }
639 
640 #define FDI_RX_CTL_TO_PIPE(offset) \
641 	calc_index(offset, _FDI_RXA_CTL, _FDI_RXB_CTL, 0, FDI_RX_CTL(PIPE_C))
642 
643 #define FDI_TX_CTL_TO_PIPE(offset) \
644 	calc_index(offset, _FDI_TXA_CTL, _FDI_TXB_CTL, 0, FDI_TX_CTL(PIPE_C))
645 
646 #define FDI_RX_IMR_TO_PIPE(offset) \
647 	calc_index(offset, _FDI_RXA_IMR, _FDI_RXB_IMR, 0, FDI_RX_IMR(PIPE_C))
648 
649 static int update_fdi_rx_iir_status(struct intel_vgpu *vgpu,
650 		unsigned int offset, void *p_data, unsigned int bytes)
651 {
652 	i915_reg_t fdi_rx_iir;
653 	unsigned int index;
654 	int ret;
655 
656 	if (FDI_RX_CTL_TO_PIPE(offset) != INVALID_INDEX)
657 		index = FDI_RX_CTL_TO_PIPE(offset);
658 	else if (FDI_TX_CTL_TO_PIPE(offset) != INVALID_INDEX)
659 		index = FDI_TX_CTL_TO_PIPE(offset);
660 	else if (FDI_RX_IMR_TO_PIPE(offset) != INVALID_INDEX)
661 		index = FDI_RX_IMR_TO_PIPE(offset);
662 	else {
663 		gvt_vgpu_err("Unsupport registers %x\n", offset);
664 		return -EINVAL;
665 	}
666 
667 	write_vreg(vgpu, offset, p_data, bytes);
668 
669 	fdi_rx_iir = FDI_RX_IIR(index);
670 
671 	ret = check_fdi_rx_train_status(vgpu, index, FDI_LINK_TRAIN_PATTERN1);
672 	if (ret < 0)
673 		return ret;
674 	if (ret)
675 		vgpu_vreg_t(vgpu, fdi_rx_iir) |= FDI_RX_BIT_LOCK;
676 
677 	ret = check_fdi_rx_train_status(vgpu, index, FDI_LINK_TRAIN_PATTERN2);
678 	if (ret < 0)
679 		return ret;
680 	if (ret)
681 		vgpu_vreg_t(vgpu, fdi_rx_iir) |= FDI_RX_SYMBOL_LOCK;
682 
683 	if (offset == _FDI_RXA_CTL)
684 		if (fdi_auto_training_started(vgpu))
685 			vgpu_vreg_t(vgpu, DP_TP_STATUS(PORT_E)) |=
686 				DP_TP_STATUS_AUTOTRAIN_DONE;
687 	return 0;
688 }
689 
690 #define DP_TP_CTL_TO_PORT(offset) \
691 	calc_index(offset, _DP_TP_CTL_A, _DP_TP_CTL_B, 0, DP_TP_CTL(PORT_E))
692 
693 static int dp_tp_ctl_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
694 		void *p_data, unsigned int bytes)
695 {
696 	i915_reg_t status_reg;
697 	unsigned int index;
698 	u32 data;
699 
700 	write_vreg(vgpu, offset, p_data, bytes);
701 
702 	index = DP_TP_CTL_TO_PORT(offset);
703 	data = (vgpu_vreg(vgpu, offset) & GENMASK(10, 8)) >> 8;
704 	if (data == 0x2) {
705 		status_reg = DP_TP_STATUS(index);
706 		vgpu_vreg_t(vgpu, status_reg) |= (1 << 25);
707 	}
708 	return 0;
709 }
710 
711 static int dp_tp_status_mmio_write(struct intel_vgpu *vgpu,
712 		unsigned int offset, void *p_data, unsigned int bytes)
713 {
714 	u32 reg_val;
715 	u32 sticky_mask;
716 
717 	reg_val = *((u32 *)p_data);
718 	sticky_mask = GENMASK(27, 26) | (1 << 24);
719 
720 	vgpu_vreg(vgpu, offset) = (reg_val & ~sticky_mask) |
721 		(vgpu_vreg(vgpu, offset) & sticky_mask);
722 	vgpu_vreg(vgpu, offset) &= ~(reg_val & sticky_mask);
723 	return 0;
724 }
725 
726 static int pch_adpa_mmio_write(struct intel_vgpu *vgpu,
727 		unsigned int offset, void *p_data, unsigned int bytes)
728 {
729 	u32 data;
730 
731 	write_vreg(vgpu, offset, p_data, bytes);
732 	data = vgpu_vreg(vgpu, offset);
733 
734 	if (data & ADPA_CRT_HOTPLUG_FORCE_TRIGGER)
735 		vgpu_vreg(vgpu, offset) &= ~ADPA_CRT_HOTPLUG_FORCE_TRIGGER;
736 	return 0;
737 }
738 
739 static int south_chicken2_mmio_write(struct intel_vgpu *vgpu,
740 		unsigned int offset, void *p_data, unsigned int bytes)
741 {
742 	u32 data;
743 
744 	write_vreg(vgpu, offset, p_data, bytes);
745 	data = vgpu_vreg(vgpu, offset);
746 
747 	if (data & FDI_MPHY_IOSFSB_RESET_CTL)
748 		vgpu_vreg(vgpu, offset) |= FDI_MPHY_IOSFSB_RESET_STATUS;
749 	else
750 		vgpu_vreg(vgpu, offset) &= ~FDI_MPHY_IOSFSB_RESET_STATUS;
751 	return 0;
752 }
753 
754 #define DSPSURF_TO_PIPE(offset) \
755 	calc_index(offset, _DSPASURF, _DSPBSURF, 0, DSPSURF(PIPE_C))
756 
757 static int pri_surf_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
758 		void *p_data, unsigned int bytes)
759 {
760 	struct drm_i915_private *dev_priv = vgpu->gvt->gt->i915;
761 	u32 pipe = DSPSURF_TO_PIPE(offset);
762 	int event = SKL_FLIP_EVENT(pipe, PLANE_PRIMARY);
763 
764 	write_vreg(vgpu, offset, p_data, bytes);
765 	vgpu_vreg_t(vgpu, DSPSURFLIVE(pipe)) = vgpu_vreg(vgpu, offset);
766 
767 	vgpu_vreg_t(vgpu, PIPE_FLIPCOUNT_G4X(pipe))++;
768 
769 	if (vgpu_vreg_t(vgpu, DSPCNTR(pipe)) & PLANE_CTL_ASYNC_FLIP)
770 		intel_vgpu_trigger_virtual_event(vgpu, event);
771 	else
772 		set_bit(event, vgpu->irq.flip_done_event[pipe]);
773 
774 	return 0;
775 }
776 
777 #define SPRSURF_TO_PIPE(offset) \
778 	calc_index(offset, _SPRA_SURF, _SPRB_SURF, 0, SPRSURF(PIPE_C))
779 
780 static int spr_surf_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
781 		void *p_data, unsigned int bytes)
782 {
783 	u32 pipe = SPRSURF_TO_PIPE(offset);
784 	int event = SKL_FLIP_EVENT(pipe, PLANE_SPRITE0);
785 
786 	write_vreg(vgpu, offset, p_data, bytes);
787 	vgpu_vreg_t(vgpu, SPRSURFLIVE(pipe)) = vgpu_vreg(vgpu, offset);
788 
789 	if (vgpu_vreg_t(vgpu, SPRCTL(pipe)) & PLANE_CTL_ASYNC_FLIP)
790 		intel_vgpu_trigger_virtual_event(vgpu, event);
791 	else
792 		set_bit(event, vgpu->irq.flip_done_event[pipe]);
793 
794 	return 0;
795 }
796 
797 static int reg50080_mmio_write(struct intel_vgpu *vgpu,
798 			       unsigned int offset, void *p_data,
799 			       unsigned int bytes)
800 {
801 	struct drm_i915_private *dev_priv = vgpu->gvt->gt->i915;
802 	enum pipe pipe = REG_50080_TO_PIPE(offset);
803 	enum plane_id plane = REG_50080_TO_PLANE(offset);
804 	int event = SKL_FLIP_EVENT(pipe, plane);
805 
806 	write_vreg(vgpu, offset, p_data, bytes);
807 	if (plane == PLANE_PRIMARY) {
808 		vgpu_vreg_t(vgpu, DSPSURFLIVE(pipe)) = vgpu_vreg(vgpu, offset);
809 		vgpu_vreg_t(vgpu, PIPE_FLIPCOUNT_G4X(pipe))++;
810 	} else {
811 		vgpu_vreg_t(vgpu, SPRSURFLIVE(pipe)) = vgpu_vreg(vgpu, offset);
812 	}
813 
814 	if ((vgpu_vreg(vgpu, offset) & REG50080_FLIP_TYPE_MASK) == REG50080_FLIP_TYPE_ASYNC)
815 		intel_vgpu_trigger_virtual_event(vgpu, event);
816 	else
817 		set_bit(event, vgpu->irq.flip_done_event[pipe]);
818 
819 	return 0;
820 }
821 
822 static int trigger_aux_channel_interrupt(struct intel_vgpu *vgpu,
823 		unsigned int reg)
824 {
825 	struct drm_i915_private *dev_priv = vgpu->gvt->gt->i915;
826 	enum intel_gvt_event_type event;
827 
828 	if (reg == i915_mmio_reg_offset(DP_AUX_CH_CTL(AUX_CH_A)))
829 		event = AUX_CHANNEL_A;
830 	else if (reg == _PCH_DPB_AUX_CH_CTL ||
831 		 reg == i915_mmio_reg_offset(DP_AUX_CH_CTL(AUX_CH_B)))
832 		event = AUX_CHANNEL_B;
833 	else if (reg == _PCH_DPC_AUX_CH_CTL ||
834 		 reg == i915_mmio_reg_offset(DP_AUX_CH_CTL(AUX_CH_C)))
835 		event = AUX_CHANNEL_C;
836 	else if (reg == _PCH_DPD_AUX_CH_CTL ||
837 		 reg == i915_mmio_reg_offset(DP_AUX_CH_CTL(AUX_CH_D)))
838 		event = AUX_CHANNEL_D;
839 	else {
840 		drm_WARN_ON(&dev_priv->drm, true);
841 		return -EINVAL;
842 	}
843 
844 	intel_vgpu_trigger_virtual_event(vgpu, event);
845 	return 0;
846 }
847 
848 static int dp_aux_ch_ctl_trans_done(struct intel_vgpu *vgpu, u32 value,
849 		unsigned int reg, int len, bool data_valid)
850 {
851 	/* mark transaction done */
852 	value |= DP_AUX_CH_CTL_DONE;
853 	value &= ~DP_AUX_CH_CTL_SEND_BUSY;
854 	value &= ~DP_AUX_CH_CTL_RECEIVE_ERROR;
855 
856 	if (data_valid)
857 		value &= ~DP_AUX_CH_CTL_TIME_OUT_ERROR;
858 	else
859 		value |= DP_AUX_CH_CTL_TIME_OUT_ERROR;
860 
861 	/* message size */
862 	value &= ~(0xf << 20);
863 	value |= (len << 20);
864 	vgpu_vreg(vgpu, reg) = value;
865 
866 	if (value & DP_AUX_CH_CTL_INTERRUPT)
867 		return trigger_aux_channel_interrupt(vgpu, reg);
868 	return 0;
869 }
870 
871 static void dp_aux_ch_ctl_link_training(struct intel_vgpu_dpcd_data *dpcd,
872 		u8 t)
873 {
874 	if ((t & DPCD_TRAINING_PATTERN_SET_MASK) == DPCD_TRAINING_PATTERN_1) {
875 		/* training pattern 1 for CR */
876 		/* set LANE0_CR_DONE, LANE1_CR_DONE */
877 		dpcd->data[DPCD_LANE0_1_STATUS] |= DPCD_LANES_CR_DONE;
878 		/* set LANE2_CR_DONE, LANE3_CR_DONE */
879 		dpcd->data[DPCD_LANE2_3_STATUS] |= DPCD_LANES_CR_DONE;
880 	} else if ((t & DPCD_TRAINING_PATTERN_SET_MASK) ==
881 			DPCD_TRAINING_PATTERN_2) {
882 		/* training pattern 2 for EQ */
883 		/* Set CHANNEL_EQ_DONE and  SYMBOL_LOCKED for Lane0_1 */
884 		dpcd->data[DPCD_LANE0_1_STATUS] |= DPCD_LANES_EQ_DONE;
885 		dpcd->data[DPCD_LANE0_1_STATUS] |= DPCD_SYMBOL_LOCKED;
886 		/* Set CHANNEL_EQ_DONE and  SYMBOL_LOCKED for Lane2_3 */
887 		dpcd->data[DPCD_LANE2_3_STATUS] |= DPCD_LANES_EQ_DONE;
888 		dpcd->data[DPCD_LANE2_3_STATUS] |= DPCD_SYMBOL_LOCKED;
889 		/* set INTERLANE_ALIGN_DONE */
890 		dpcd->data[DPCD_LANE_ALIGN_STATUS_UPDATED] |=
891 			DPCD_INTERLANE_ALIGN_DONE;
892 	} else if ((t & DPCD_TRAINING_PATTERN_SET_MASK) ==
893 			DPCD_LINK_TRAINING_DISABLED) {
894 		/* finish link training */
895 		/* set sink status as synchronized */
896 		dpcd->data[DPCD_SINK_STATUS] = DPCD_SINK_IN_SYNC;
897 	}
898 }
899 
900 #define _REG_HSW_DP_AUX_CH_CTL(dp) \
901 	((dp) ? (_PCH_DPB_AUX_CH_CTL + ((dp)-1)*0x100) : 0x64010)
902 
903 #define _REG_SKL_DP_AUX_CH_CTL(dp) (0x64010 + (dp) * 0x100)
904 
905 #define OFFSET_TO_DP_AUX_PORT(offset) (((offset) & 0xF00) >> 8)
906 
907 #define dpy_is_valid_port(port)	\
908 		(((port) >= PORT_A) && ((port) < I915_MAX_PORTS))
909 
910 static int dp_aux_ch_ctl_mmio_write(struct intel_vgpu *vgpu,
911 		unsigned int offset, void *p_data, unsigned int bytes)
912 {
913 	struct intel_vgpu_display *display = &vgpu->display;
914 	int msg, addr, ctrl, op, len;
915 	int port_index = OFFSET_TO_DP_AUX_PORT(offset);
916 	struct intel_vgpu_dpcd_data *dpcd = NULL;
917 	struct intel_vgpu_port *port = NULL;
918 	u32 data;
919 
920 	if (!dpy_is_valid_port(port_index)) {
921 		gvt_vgpu_err("Unsupported DP port access!\n");
922 		return 0;
923 	}
924 
925 	write_vreg(vgpu, offset, p_data, bytes);
926 	data = vgpu_vreg(vgpu, offset);
927 
928 	if ((INTEL_GEN(vgpu->gvt->gt->i915) >= 9)
929 		&& offset != _REG_SKL_DP_AUX_CH_CTL(port_index)) {
930 		/* SKL DPB/C/D aux ctl register changed */
931 		return 0;
932 	} else if (IS_BROADWELL(vgpu->gvt->gt->i915) &&
933 		   offset != _REG_HSW_DP_AUX_CH_CTL(port_index)) {
934 		/* write to the data registers */
935 		return 0;
936 	}
937 
938 	if (!(data & DP_AUX_CH_CTL_SEND_BUSY)) {
939 		/* just want to clear the sticky bits */
940 		vgpu_vreg(vgpu, offset) = 0;
941 		return 0;
942 	}
943 
944 	port = &display->ports[port_index];
945 	dpcd = port->dpcd;
946 
947 	/* read out message from DATA1 register */
948 	msg = vgpu_vreg(vgpu, offset + 4);
949 	addr = (msg >> 8) & 0xffff;
950 	ctrl = (msg >> 24) & 0xff;
951 	len = msg & 0xff;
952 	op = ctrl >> 4;
953 
954 	if (op == GVT_AUX_NATIVE_WRITE) {
955 		int t;
956 		u8 buf[16];
957 
958 		if ((addr + len + 1) >= DPCD_SIZE) {
959 			/*
960 			 * Write request exceeds what we supported,
961 			 * DCPD spec: When a Source Device is writing a DPCD
962 			 * address not supported by the Sink Device, the Sink
963 			 * Device shall reply with AUX NACK and “M” equal to
964 			 * zero.
965 			 */
966 
967 			/* NAK the write */
968 			vgpu_vreg(vgpu, offset + 4) = AUX_NATIVE_REPLY_NAK;
969 			dp_aux_ch_ctl_trans_done(vgpu, data, offset, 2, true);
970 			return 0;
971 		}
972 
973 		/*
974 		 * Write request format: Headr (command + address + size) occupies
975 		 * 4 bytes, followed by (len + 1) bytes of data. See details at
976 		 * intel_dp_aux_transfer().
977 		 */
978 		if ((len + 1 + 4) > AUX_BURST_SIZE) {
979 			gvt_vgpu_err("dp_aux_header: len %d is too large\n", len);
980 			return -EINVAL;
981 		}
982 
983 		/* unpack data from vreg to buf */
984 		for (t = 0; t < 4; t++) {
985 			u32 r = vgpu_vreg(vgpu, offset + 8 + t * 4);
986 
987 			buf[t * 4] = (r >> 24) & 0xff;
988 			buf[t * 4 + 1] = (r >> 16) & 0xff;
989 			buf[t * 4 + 2] = (r >> 8) & 0xff;
990 			buf[t * 4 + 3] = r & 0xff;
991 		}
992 
993 		/* write to virtual DPCD */
994 		if (dpcd && dpcd->data_valid) {
995 			for (t = 0; t <= len; t++) {
996 				int p = addr + t;
997 
998 				dpcd->data[p] = buf[t];
999 				/* check for link training */
1000 				if (p == DPCD_TRAINING_PATTERN_SET)
1001 					dp_aux_ch_ctl_link_training(dpcd,
1002 							buf[t]);
1003 			}
1004 		}
1005 
1006 		/* ACK the write */
1007 		vgpu_vreg(vgpu, offset + 4) = 0;
1008 		dp_aux_ch_ctl_trans_done(vgpu, data, offset, 1,
1009 				dpcd && dpcd->data_valid);
1010 		return 0;
1011 	}
1012 
1013 	if (op == GVT_AUX_NATIVE_READ) {
1014 		int idx, i, ret = 0;
1015 
1016 		if ((addr + len + 1) >= DPCD_SIZE) {
1017 			/*
1018 			 * read request exceeds what we supported
1019 			 * DPCD spec: A Sink Device receiving a Native AUX CH
1020 			 * read request for an unsupported DPCD address must
1021 			 * reply with an AUX ACK and read data set equal to
1022 			 * zero instead of replying with AUX NACK.
1023 			 */
1024 
1025 			/* ACK the READ*/
1026 			vgpu_vreg(vgpu, offset + 4) = 0;
1027 			vgpu_vreg(vgpu, offset + 8) = 0;
1028 			vgpu_vreg(vgpu, offset + 12) = 0;
1029 			vgpu_vreg(vgpu, offset + 16) = 0;
1030 			vgpu_vreg(vgpu, offset + 20) = 0;
1031 
1032 			dp_aux_ch_ctl_trans_done(vgpu, data, offset, len + 2,
1033 					true);
1034 			return 0;
1035 		}
1036 
1037 		for (idx = 1; idx <= 5; idx++) {
1038 			/* clear the data registers */
1039 			vgpu_vreg(vgpu, offset + 4 * idx) = 0;
1040 		}
1041 
1042 		/*
1043 		 * Read reply format: ACK (1 byte) plus (len + 1) bytes of data.
1044 		 */
1045 		if ((len + 2) > AUX_BURST_SIZE) {
1046 			gvt_vgpu_err("dp_aux_header: len %d is too large\n", len);
1047 			return -EINVAL;
1048 		}
1049 
1050 		/* read from virtual DPCD to vreg */
1051 		/* first 4 bytes: [ACK][addr][addr+1][addr+2] */
1052 		if (dpcd && dpcd->data_valid) {
1053 			for (i = 1; i <= (len + 1); i++) {
1054 				int t;
1055 
1056 				t = dpcd->data[addr + i - 1];
1057 				t <<= (24 - 8 * (i % 4));
1058 				ret |= t;
1059 
1060 				if ((i % 4 == 3) || (i == (len + 1))) {
1061 					vgpu_vreg(vgpu, offset +
1062 							(i / 4 + 1) * 4) = ret;
1063 					ret = 0;
1064 				}
1065 			}
1066 		}
1067 		dp_aux_ch_ctl_trans_done(vgpu, data, offset, len + 2,
1068 				dpcd && dpcd->data_valid);
1069 		return 0;
1070 	}
1071 
1072 	/* i2c transaction starts */
1073 	intel_gvt_i2c_handle_aux_ch_write(vgpu, port_index, offset, p_data);
1074 
1075 	if (data & DP_AUX_CH_CTL_INTERRUPT)
1076 		trigger_aux_channel_interrupt(vgpu, offset);
1077 	return 0;
1078 }
1079 
1080 static int mbctl_write(struct intel_vgpu *vgpu, unsigned int offset,
1081 		void *p_data, unsigned int bytes)
1082 {
1083 	*(u32 *)p_data &= (~GEN6_MBCTL_ENABLE_BOOT_FETCH);
1084 	write_vreg(vgpu, offset, p_data, bytes);
1085 	return 0;
1086 }
1087 
1088 static int vga_control_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
1089 		void *p_data, unsigned int bytes)
1090 {
1091 	bool vga_disable;
1092 
1093 	write_vreg(vgpu, offset, p_data, bytes);
1094 	vga_disable = vgpu_vreg(vgpu, offset) & VGA_DISP_DISABLE;
1095 
1096 	gvt_dbg_core("vgpu%d: %s VGA mode\n", vgpu->id,
1097 			vga_disable ? "Disable" : "Enable");
1098 	return 0;
1099 }
1100 
1101 static u32 read_virtual_sbi_register(struct intel_vgpu *vgpu,
1102 		unsigned int sbi_offset)
1103 {
1104 	struct intel_vgpu_display *display = &vgpu->display;
1105 	int num = display->sbi.number;
1106 	int i;
1107 
1108 	for (i = 0; i < num; ++i)
1109 		if (display->sbi.registers[i].offset == sbi_offset)
1110 			break;
1111 
1112 	if (i == num)
1113 		return 0;
1114 
1115 	return display->sbi.registers[i].value;
1116 }
1117 
1118 static void write_virtual_sbi_register(struct intel_vgpu *vgpu,
1119 		unsigned int offset, u32 value)
1120 {
1121 	struct intel_vgpu_display *display = &vgpu->display;
1122 	int num = display->sbi.number;
1123 	int i;
1124 
1125 	for (i = 0; i < num; ++i) {
1126 		if (display->sbi.registers[i].offset == offset)
1127 			break;
1128 	}
1129 
1130 	if (i == num) {
1131 		if (num == SBI_REG_MAX) {
1132 			gvt_vgpu_err("SBI caching meets maximum limits\n");
1133 			return;
1134 		}
1135 		display->sbi.number++;
1136 	}
1137 
1138 	display->sbi.registers[i].offset = offset;
1139 	display->sbi.registers[i].value = value;
1140 }
1141 
1142 static int sbi_data_mmio_read(struct intel_vgpu *vgpu, unsigned int offset,
1143 		void *p_data, unsigned int bytes)
1144 {
1145 	if (((vgpu_vreg_t(vgpu, SBI_CTL_STAT) & SBI_OPCODE_MASK) >>
1146 				SBI_OPCODE_SHIFT) == SBI_CMD_CRRD) {
1147 		unsigned int sbi_offset = (vgpu_vreg_t(vgpu, SBI_ADDR) &
1148 				SBI_ADDR_OFFSET_MASK) >> SBI_ADDR_OFFSET_SHIFT;
1149 		vgpu_vreg(vgpu, offset) = read_virtual_sbi_register(vgpu,
1150 				sbi_offset);
1151 	}
1152 	read_vreg(vgpu, offset, p_data, bytes);
1153 	return 0;
1154 }
1155 
1156 static int sbi_ctl_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
1157 		void *p_data, unsigned int bytes)
1158 {
1159 	u32 data;
1160 
1161 	write_vreg(vgpu, offset, p_data, bytes);
1162 	data = vgpu_vreg(vgpu, offset);
1163 
1164 	data &= ~(SBI_STAT_MASK << SBI_STAT_SHIFT);
1165 	data |= SBI_READY;
1166 
1167 	data &= ~(SBI_RESPONSE_MASK << SBI_RESPONSE_SHIFT);
1168 	data |= SBI_RESPONSE_SUCCESS;
1169 
1170 	vgpu_vreg(vgpu, offset) = data;
1171 
1172 	if (((vgpu_vreg_t(vgpu, SBI_CTL_STAT) & SBI_OPCODE_MASK) >>
1173 				SBI_OPCODE_SHIFT) == SBI_CMD_CRWR) {
1174 		unsigned int sbi_offset = (vgpu_vreg_t(vgpu, SBI_ADDR) &
1175 				SBI_ADDR_OFFSET_MASK) >> SBI_ADDR_OFFSET_SHIFT;
1176 
1177 		write_virtual_sbi_register(vgpu, sbi_offset,
1178 					   vgpu_vreg_t(vgpu, SBI_DATA));
1179 	}
1180 	return 0;
1181 }
1182 
1183 #define _vgtif_reg(x) \
1184 	(VGT_PVINFO_PAGE + offsetof(struct vgt_if, x))
1185 
1186 static int pvinfo_mmio_read(struct intel_vgpu *vgpu, unsigned int offset,
1187 		void *p_data, unsigned int bytes)
1188 {
1189 	bool invalid_read = false;
1190 
1191 	read_vreg(vgpu, offset, p_data, bytes);
1192 
1193 	switch (offset) {
1194 	case _vgtif_reg(magic) ... _vgtif_reg(vgt_id):
1195 		if (offset + bytes > _vgtif_reg(vgt_id) + 4)
1196 			invalid_read = true;
1197 		break;
1198 	case _vgtif_reg(avail_rs.mappable_gmadr.base) ...
1199 		_vgtif_reg(avail_rs.fence_num):
1200 		if (offset + bytes >
1201 			_vgtif_reg(avail_rs.fence_num) + 4)
1202 			invalid_read = true;
1203 		break;
1204 	case 0x78010:	/* vgt_caps */
1205 	case 0x7881c:
1206 		break;
1207 	default:
1208 		invalid_read = true;
1209 		break;
1210 	}
1211 	if (invalid_read)
1212 		gvt_vgpu_err("invalid pvinfo read: [%x:%x] = %x\n",
1213 				offset, bytes, *(u32 *)p_data);
1214 	vgpu->pv_notified = true;
1215 	return 0;
1216 }
1217 
1218 static int handle_g2v_notification(struct intel_vgpu *vgpu, int notification)
1219 {
1220 	enum intel_gvt_gtt_type root_entry_type = GTT_TYPE_PPGTT_ROOT_L4_ENTRY;
1221 	struct intel_vgpu_mm *mm;
1222 	u64 *pdps;
1223 
1224 	pdps = (u64 *)&vgpu_vreg64_t(vgpu, vgtif_reg(pdp[0]));
1225 
1226 	switch (notification) {
1227 	case VGT_G2V_PPGTT_L3_PAGE_TABLE_CREATE:
1228 		root_entry_type = GTT_TYPE_PPGTT_ROOT_L3_ENTRY;
1229 		fallthrough;
1230 	case VGT_G2V_PPGTT_L4_PAGE_TABLE_CREATE:
1231 		mm = intel_vgpu_get_ppgtt_mm(vgpu, root_entry_type, pdps);
1232 		return PTR_ERR_OR_ZERO(mm);
1233 	case VGT_G2V_PPGTT_L3_PAGE_TABLE_DESTROY:
1234 	case VGT_G2V_PPGTT_L4_PAGE_TABLE_DESTROY:
1235 		return intel_vgpu_put_ppgtt_mm(vgpu, pdps);
1236 	case VGT_G2V_EXECLIST_CONTEXT_CREATE:
1237 	case VGT_G2V_EXECLIST_CONTEXT_DESTROY:
1238 	case 1:	/* Remove this in guest driver. */
1239 		break;
1240 	default:
1241 		gvt_vgpu_err("Invalid PV notification %d\n", notification);
1242 	}
1243 	return 0;
1244 }
1245 
1246 static int send_display_ready_uevent(struct intel_vgpu *vgpu, int ready)
1247 {
1248 	struct kobject *kobj = &vgpu->gvt->gt->i915->drm.primary->kdev->kobj;
1249 	char *env[3] = {NULL, NULL, NULL};
1250 	char vmid_str[20];
1251 	char display_ready_str[20];
1252 
1253 	snprintf(display_ready_str, 20, "GVT_DISPLAY_READY=%d", ready);
1254 	env[0] = display_ready_str;
1255 
1256 	snprintf(vmid_str, 20, "VMID=%d", vgpu->id);
1257 	env[1] = vmid_str;
1258 
1259 	return kobject_uevent_env(kobj, KOBJ_ADD, env);
1260 }
1261 
1262 static int pvinfo_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
1263 		void *p_data, unsigned int bytes)
1264 {
1265 	u32 data = *(u32 *)p_data;
1266 	bool invalid_write = false;
1267 
1268 	switch (offset) {
1269 	case _vgtif_reg(display_ready):
1270 		send_display_ready_uevent(vgpu, data ? 1 : 0);
1271 		break;
1272 	case _vgtif_reg(g2v_notify):
1273 		handle_g2v_notification(vgpu, data);
1274 		break;
1275 	/* add xhot and yhot to handled list to avoid error log */
1276 	case _vgtif_reg(cursor_x_hot):
1277 	case _vgtif_reg(cursor_y_hot):
1278 	case _vgtif_reg(pdp[0].lo):
1279 	case _vgtif_reg(pdp[0].hi):
1280 	case _vgtif_reg(pdp[1].lo):
1281 	case _vgtif_reg(pdp[1].hi):
1282 	case _vgtif_reg(pdp[2].lo):
1283 	case _vgtif_reg(pdp[2].hi):
1284 	case _vgtif_reg(pdp[3].lo):
1285 	case _vgtif_reg(pdp[3].hi):
1286 	case _vgtif_reg(execlist_context_descriptor_lo):
1287 	case _vgtif_reg(execlist_context_descriptor_hi):
1288 		break;
1289 	case _vgtif_reg(rsv5[0])..._vgtif_reg(rsv5[3]):
1290 		invalid_write = true;
1291 		enter_failsafe_mode(vgpu, GVT_FAILSAFE_INSUFFICIENT_RESOURCE);
1292 		break;
1293 	default:
1294 		invalid_write = true;
1295 		gvt_vgpu_err("invalid pvinfo write offset %x bytes %x data %x\n",
1296 				offset, bytes, data);
1297 		break;
1298 	}
1299 
1300 	if (!invalid_write)
1301 		write_vreg(vgpu, offset, p_data, bytes);
1302 
1303 	return 0;
1304 }
1305 
1306 static int pf_write(struct intel_vgpu *vgpu,
1307 		unsigned int offset, void *p_data, unsigned int bytes)
1308 {
1309 	struct drm_i915_private *i915 = vgpu->gvt->gt->i915;
1310 	u32 val = *(u32 *)p_data;
1311 
1312 	if ((offset == _PS_1A_CTRL || offset == _PS_2A_CTRL ||
1313 	   offset == _PS_1B_CTRL || offset == _PS_2B_CTRL ||
1314 	   offset == _PS_1C_CTRL) && (val & PS_PLANE_SEL_MASK) != 0) {
1315 		drm_WARN_ONCE(&i915->drm, true,
1316 			      "VM(%d): guest is trying to scaling a plane\n",
1317 			      vgpu->id);
1318 		return 0;
1319 	}
1320 
1321 	return intel_vgpu_default_mmio_write(vgpu, offset, p_data, bytes);
1322 }
1323 
1324 static int power_well_ctl_mmio_write(struct intel_vgpu *vgpu,
1325 		unsigned int offset, void *p_data, unsigned int bytes)
1326 {
1327 	write_vreg(vgpu, offset, p_data, bytes);
1328 
1329 	if (vgpu_vreg(vgpu, offset) &
1330 	    HSW_PWR_WELL_CTL_REQ(HSW_PW_CTL_IDX_GLOBAL))
1331 		vgpu_vreg(vgpu, offset) |=
1332 			HSW_PWR_WELL_CTL_STATE(HSW_PW_CTL_IDX_GLOBAL);
1333 	else
1334 		vgpu_vreg(vgpu, offset) &=
1335 			~HSW_PWR_WELL_CTL_STATE(HSW_PW_CTL_IDX_GLOBAL);
1336 	return 0;
1337 }
1338 
1339 static int gen9_dbuf_ctl_mmio_write(struct intel_vgpu *vgpu,
1340 		unsigned int offset, void *p_data, unsigned int bytes)
1341 {
1342 	write_vreg(vgpu, offset, p_data, bytes);
1343 
1344 	if (vgpu_vreg(vgpu, offset) & DBUF_POWER_REQUEST)
1345 		vgpu_vreg(vgpu, offset) |= DBUF_POWER_STATE;
1346 	else
1347 		vgpu_vreg(vgpu, offset) &= ~DBUF_POWER_STATE;
1348 
1349 	return 0;
1350 }
1351 
1352 static int fpga_dbg_mmio_write(struct intel_vgpu *vgpu,
1353 	unsigned int offset, void *p_data, unsigned int bytes)
1354 {
1355 	write_vreg(vgpu, offset, p_data, bytes);
1356 
1357 	if (vgpu_vreg(vgpu, offset) & FPGA_DBG_RM_NOCLAIM)
1358 		vgpu_vreg(vgpu, offset) &= ~FPGA_DBG_RM_NOCLAIM;
1359 	return 0;
1360 }
1361 
1362 static int dma_ctrl_write(struct intel_vgpu *vgpu, unsigned int offset,
1363 		void *p_data, unsigned int bytes)
1364 {
1365 	struct drm_i915_private *i915 = vgpu->gvt->gt->i915;
1366 	u32 mode;
1367 
1368 	write_vreg(vgpu, offset, p_data, bytes);
1369 	mode = vgpu_vreg(vgpu, offset);
1370 
1371 	if (GFX_MODE_BIT_SET_IN_MASK(mode, START_DMA)) {
1372 		drm_WARN_ONCE(&i915->drm, 1,
1373 				"VM(%d): iGVT-g doesn't support GuC\n",
1374 				vgpu->id);
1375 		return 0;
1376 	}
1377 
1378 	return 0;
1379 }
1380 
1381 static int gen9_trtte_write(struct intel_vgpu *vgpu, unsigned int offset,
1382 		void *p_data, unsigned int bytes)
1383 {
1384 	struct drm_i915_private *i915 = vgpu->gvt->gt->i915;
1385 	u32 trtte = *(u32 *)p_data;
1386 
1387 	if ((trtte & 1) && (trtte & (1 << 1)) == 0) {
1388 		drm_WARN(&i915->drm, 1,
1389 				"VM(%d): Use physical address for TRTT!\n",
1390 				vgpu->id);
1391 		return -EINVAL;
1392 	}
1393 	write_vreg(vgpu, offset, p_data, bytes);
1394 
1395 	return 0;
1396 }
1397 
1398 static int gen9_trtt_chicken_write(struct intel_vgpu *vgpu, unsigned int offset,
1399 		void *p_data, unsigned int bytes)
1400 {
1401 	write_vreg(vgpu, offset, p_data, bytes);
1402 	return 0;
1403 }
1404 
1405 static int dpll_status_read(struct intel_vgpu *vgpu, unsigned int offset,
1406 		void *p_data, unsigned int bytes)
1407 {
1408 	u32 v = 0;
1409 
1410 	if (vgpu_vreg(vgpu, 0x46010) & (1 << 31))
1411 		v |= (1 << 0);
1412 
1413 	if (vgpu_vreg(vgpu, 0x46014) & (1 << 31))
1414 		v |= (1 << 8);
1415 
1416 	if (vgpu_vreg(vgpu, 0x46040) & (1 << 31))
1417 		v |= (1 << 16);
1418 
1419 	if (vgpu_vreg(vgpu, 0x46060) & (1 << 31))
1420 		v |= (1 << 24);
1421 
1422 	vgpu_vreg(vgpu, offset) = v;
1423 
1424 	return intel_vgpu_default_mmio_read(vgpu, offset, p_data, bytes);
1425 }
1426 
1427 static int mailbox_write(struct intel_vgpu *vgpu, unsigned int offset,
1428 		void *p_data, unsigned int bytes)
1429 {
1430 	u32 value = *(u32 *)p_data;
1431 	u32 cmd = value & 0xff;
1432 	u32 *data0 = &vgpu_vreg_t(vgpu, GEN6_PCODE_DATA);
1433 
1434 	switch (cmd) {
1435 	case GEN9_PCODE_READ_MEM_LATENCY:
1436 		if (IS_SKYLAKE(vgpu->gvt->gt->i915) ||
1437 		    IS_KABYLAKE(vgpu->gvt->gt->i915) ||
1438 		    IS_COFFEELAKE(vgpu->gvt->gt->i915) ||
1439 		    IS_COMETLAKE(vgpu->gvt->gt->i915)) {
1440 			/**
1441 			 * "Read memory latency" command on gen9.
1442 			 * Below memory latency values are read
1443 			 * from skylake platform.
1444 			 */
1445 			if (!*data0)
1446 				*data0 = 0x1e1a1100;
1447 			else
1448 				*data0 = 0x61514b3d;
1449 		} else if (IS_BROXTON(vgpu->gvt->gt->i915)) {
1450 			/**
1451 			 * "Read memory latency" command on gen9.
1452 			 * Below memory latency values are read
1453 			 * from Broxton MRB.
1454 			 */
1455 			if (!*data0)
1456 				*data0 = 0x16080707;
1457 			else
1458 				*data0 = 0x16161616;
1459 		}
1460 		break;
1461 	case SKL_PCODE_CDCLK_CONTROL:
1462 		if (IS_SKYLAKE(vgpu->gvt->gt->i915) ||
1463 		    IS_KABYLAKE(vgpu->gvt->gt->i915) ||
1464 		    IS_COFFEELAKE(vgpu->gvt->gt->i915) ||
1465 		    IS_COMETLAKE(vgpu->gvt->gt->i915))
1466 			*data0 = SKL_CDCLK_READY_FOR_CHANGE;
1467 		break;
1468 	case GEN6_PCODE_READ_RC6VIDS:
1469 		*data0 |= 0x1;
1470 		break;
1471 	}
1472 
1473 	gvt_dbg_core("VM(%d) write %x to mailbox, return data0 %x\n",
1474 		     vgpu->id, value, *data0);
1475 	/**
1476 	 * PCODE_READY clear means ready for pcode read/write,
1477 	 * PCODE_ERROR_MASK clear means no error happened. In GVT-g we
1478 	 * always emulate as pcode read/write success and ready for access
1479 	 * anytime, since we don't touch real physical registers here.
1480 	 */
1481 	value &= ~(GEN6_PCODE_READY | GEN6_PCODE_ERROR_MASK);
1482 	return intel_vgpu_default_mmio_write(vgpu, offset, &value, bytes);
1483 }
1484 
1485 static int hws_pga_write(struct intel_vgpu *vgpu, unsigned int offset,
1486 		void *p_data, unsigned int bytes)
1487 {
1488 	u32 value = *(u32 *)p_data;
1489 	const struct intel_engine_cs *engine =
1490 		intel_gvt_render_mmio_to_engine(vgpu->gvt, offset);
1491 
1492 	if (value != 0 &&
1493 	    !intel_gvt_ggtt_validate_range(vgpu, value, I915_GTT_PAGE_SIZE)) {
1494 		gvt_vgpu_err("write invalid HWSP address, reg:0x%x, value:0x%x\n",
1495 			      offset, value);
1496 		return -EINVAL;
1497 	}
1498 
1499 	/*
1500 	 * Need to emulate all the HWSP register write to ensure host can
1501 	 * update the VM CSB status correctly. Here listed registers can
1502 	 * support BDW, SKL or other platforms with same HWSP registers.
1503 	 */
1504 	if (unlikely(!engine)) {
1505 		gvt_vgpu_err("access unknown hardware status page register:0x%x\n",
1506 			     offset);
1507 		return -EINVAL;
1508 	}
1509 	vgpu->hws_pga[engine->id] = value;
1510 	gvt_dbg_mmio("VM(%d) write: 0x%x to HWSP: 0x%x\n",
1511 		     vgpu->id, value, offset);
1512 
1513 	return intel_vgpu_default_mmio_write(vgpu, offset, &value, bytes);
1514 }
1515 
1516 static int skl_power_well_ctl_write(struct intel_vgpu *vgpu,
1517 		unsigned int offset, void *p_data, unsigned int bytes)
1518 {
1519 	u32 v = *(u32 *)p_data;
1520 
1521 	if (IS_BROXTON(vgpu->gvt->gt->i915))
1522 		v &= (1 << 31) | (1 << 29);
1523 	else
1524 		v &= (1 << 31) | (1 << 29) | (1 << 9) |
1525 			(1 << 7) | (1 << 5) | (1 << 3) | (1 << 1);
1526 	v |= (v >> 1);
1527 
1528 	return intel_vgpu_default_mmio_write(vgpu, offset, &v, bytes);
1529 }
1530 
1531 static int skl_lcpll_write(struct intel_vgpu *vgpu, unsigned int offset,
1532 		void *p_data, unsigned int bytes)
1533 {
1534 	u32 v = *(u32 *)p_data;
1535 
1536 	/* other bits are MBZ. */
1537 	v &= (1 << 31) | (1 << 30);
1538 	v & (1 << 31) ? (v |= (1 << 30)) : (v &= ~(1 << 30));
1539 
1540 	vgpu_vreg(vgpu, offset) = v;
1541 
1542 	return 0;
1543 }
1544 
1545 static int bxt_de_pll_enable_write(struct intel_vgpu *vgpu,
1546 		unsigned int offset, void *p_data, unsigned int bytes)
1547 {
1548 	u32 v = *(u32 *)p_data;
1549 
1550 	if (v & BXT_DE_PLL_PLL_ENABLE)
1551 		v |= BXT_DE_PLL_LOCK;
1552 
1553 	vgpu_vreg(vgpu, offset) = v;
1554 
1555 	return 0;
1556 }
1557 
1558 static int bxt_port_pll_enable_write(struct intel_vgpu *vgpu,
1559 		unsigned int offset, void *p_data, unsigned int bytes)
1560 {
1561 	u32 v = *(u32 *)p_data;
1562 
1563 	if (v & PORT_PLL_ENABLE)
1564 		v |= PORT_PLL_LOCK;
1565 
1566 	vgpu_vreg(vgpu, offset) = v;
1567 
1568 	return 0;
1569 }
1570 
1571 static int bxt_phy_ctl_family_write(struct intel_vgpu *vgpu,
1572 		unsigned int offset, void *p_data, unsigned int bytes)
1573 {
1574 	u32 v = *(u32 *)p_data;
1575 	u32 data = v & COMMON_RESET_DIS ? BXT_PHY_LANE_ENABLED : 0;
1576 
1577 	switch (offset) {
1578 	case _PHY_CTL_FAMILY_EDP:
1579 		vgpu_vreg(vgpu, _BXT_PHY_CTL_DDI_A) = data;
1580 		break;
1581 	case _PHY_CTL_FAMILY_DDI:
1582 		vgpu_vreg(vgpu, _BXT_PHY_CTL_DDI_B) = data;
1583 		vgpu_vreg(vgpu, _BXT_PHY_CTL_DDI_C) = data;
1584 		break;
1585 	}
1586 
1587 	vgpu_vreg(vgpu, offset) = v;
1588 
1589 	return 0;
1590 }
1591 
1592 static int bxt_port_tx_dw3_read(struct intel_vgpu *vgpu,
1593 		unsigned int offset, void *p_data, unsigned int bytes)
1594 {
1595 	u32 v = vgpu_vreg(vgpu, offset);
1596 
1597 	v &= ~UNIQUE_TRANGE_EN_METHOD;
1598 
1599 	vgpu_vreg(vgpu, offset) = v;
1600 
1601 	return intel_vgpu_default_mmio_read(vgpu, offset, p_data, bytes);
1602 }
1603 
1604 static int bxt_pcs_dw12_grp_write(struct intel_vgpu *vgpu,
1605 		unsigned int offset, void *p_data, unsigned int bytes)
1606 {
1607 	u32 v = *(u32 *)p_data;
1608 
1609 	if (offset == _PORT_PCS_DW12_GRP_A || offset == _PORT_PCS_DW12_GRP_B) {
1610 		vgpu_vreg(vgpu, offset - 0x600) = v;
1611 		vgpu_vreg(vgpu, offset - 0x800) = v;
1612 	} else {
1613 		vgpu_vreg(vgpu, offset - 0x400) = v;
1614 		vgpu_vreg(vgpu, offset - 0x600) = v;
1615 	}
1616 
1617 	vgpu_vreg(vgpu, offset) = v;
1618 
1619 	return 0;
1620 }
1621 
1622 static int bxt_gt_disp_pwron_write(struct intel_vgpu *vgpu,
1623 		unsigned int offset, void *p_data, unsigned int bytes)
1624 {
1625 	u32 v = *(u32 *)p_data;
1626 
1627 	if (v & BIT(0)) {
1628 		vgpu_vreg_t(vgpu, BXT_PORT_CL1CM_DW0(DPIO_PHY0)) &=
1629 			~PHY_RESERVED;
1630 		vgpu_vreg_t(vgpu, BXT_PORT_CL1CM_DW0(DPIO_PHY0)) |=
1631 			PHY_POWER_GOOD;
1632 	}
1633 
1634 	if (v & BIT(1)) {
1635 		vgpu_vreg_t(vgpu, BXT_PORT_CL1CM_DW0(DPIO_PHY1)) &=
1636 			~PHY_RESERVED;
1637 		vgpu_vreg_t(vgpu, BXT_PORT_CL1CM_DW0(DPIO_PHY1)) |=
1638 			PHY_POWER_GOOD;
1639 	}
1640 
1641 
1642 	vgpu_vreg(vgpu, offset) = v;
1643 
1644 	return 0;
1645 }
1646 
1647 static int edp_psr_imr_iir_write(struct intel_vgpu *vgpu,
1648 		unsigned int offset, void *p_data, unsigned int bytes)
1649 {
1650 	vgpu_vreg(vgpu, offset) = 0;
1651 	return 0;
1652 }
1653 
1654 /**
1655  * FixMe:
1656  * If guest fills non-priv batch buffer on ApolloLake/Broxton as Mesa i965 did:
1657  * 717e7539124d (i965: Use a WC map and memcpy for the batch instead of pwrite.)
1658  * Due to the missing flush of bb filled by VM vCPU, host GPU hangs on executing
1659  * these MI_BATCH_BUFFER.
1660  * Temporarily workaround this by setting SNOOP bit for PAT3 used by PPGTT
1661  * PML4 PTE: PAT(0) PCD(1) PWT(1).
1662  * The performance is still expected to be low, will need further improvement.
1663  */
1664 static int bxt_ppat_low_write(struct intel_vgpu *vgpu, unsigned int offset,
1665 			      void *p_data, unsigned int bytes)
1666 {
1667 	u64 pat =
1668 		GEN8_PPAT(0, CHV_PPAT_SNOOP) |
1669 		GEN8_PPAT(1, 0) |
1670 		GEN8_PPAT(2, 0) |
1671 		GEN8_PPAT(3, CHV_PPAT_SNOOP) |
1672 		GEN8_PPAT(4, CHV_PPAT_SNOOP) |
1673 		GEN8_PPAT(5, CHV_PPAT_SNOOP) |
1674 		GEN8_PPAT(6, CHV_PPAT_SNOOP) |
1675 		GEN8_PPAT(7, CHV_PPAT_SNOOP);
1676 
1677 	vgpu_vreg(vgpu, offset) = lower_32_bits(pat);
1678 
1679 	return 0;
1680 }
1681 
1682 static int guc_status_read(struct intel_vgpu *vgpu,
1683 			   unsigned int offset, void *p_data,
1684 			   unsigned int bytes)
1685 {
1686 	/* keep MIA_IN_RESET before clearing */
1687 	read_vreg(vgpu, offset, p_data, bytes);
1688 	vgpu_vreg(vgpu, offset) &= ~GS_MIA_IN_RESET;
1689 	return 0;
1690 }
1691 
1692 static int mmio_read_from_hw(struct intel_vgpu *vgpu,
1693 		unsigned int offset, void *p_data, unsigned int bytes)
1694 {
1695 	struct intel_gvt *gvt = vgpu->gvt;
1696 	const struct intel_engine_cs *engine =
1697 		intel_gvt_render_mmio_to_engine(gvt, offset);
1698 
1699 	/**
1700 	 * Read HW reg in following case
1701 	 * a. the offset isn't a ring mmio
1702 	 * b. the offset's ring is running on hw.
1703 	 * c. the offset is ring time stamp mmio
1704 	 */
1705 
1706 	if (!engine ||
1707 	    vgpu == gvt->scheduler.engine_owner[engine->id] ||
1708 	    offset == i915_mmio_reg_offset(RING_TIMESTAMP(engine->mmio_base)) ||
1709 	    offset == i915_mmio_reg_offset(RING_TIMESTAMP_UDW(engine->mmio_base))) {
1710 		mmio_hw_access_pre(gvt->gt);
1711 		vgpu_vreg(vgpu, offset) =
1712 			intel_uncore_read(gvt->gt->uncore, _MMIO(offset));
1713 		mmio_hw_access_post(gvt->gt);
1714 	}
1715 
1716 	return intel_vgpu_default_mmio_read(vgpu, offset, p_data, bytes);
1717 }
1718 
1719 static int elsp_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
1720 		void *p_data, unsigned int bytes)
1721 {
1722 	struct drm_i915_private *i915 = vgpu->gvt->gt->i915;
1723 	const struct intel_engine_cs *engine = intel_gvt_render_mmio_to_engine(vgpu->gvt, offset);
1724 	struct intel_vgpu_execlist *execlist;
1725 	u32 data = *(u32 *)p_data;
1726 	int ret = 0;
1727 
1728 	if (drm_WARN_ON(&i915->drm, !engine))
1729 		return -EINVAL;
1730 
1731 	execlist = &vgpu->submission.execlist[engine->id];
1732 
1733 	execlist->elsp_dwords.data[3 - execlist->elsp_dwords.index] = data;
1734 	if (execlist->elsp_dwords.index == 3) {
1735 		ret = intel_vgpu_submit_execlist(vgpu, engine);
1736 		if(ret)
1737 			gvt_vgpu_err("fail submit workload on ring %s\n",
1738 				     engine->name);
1739 	}
1740 
1741 	++execlist->elsp_dwords.index;
1742 	execlist->elsp_dwords.index &= 0x3;
1743 	return ret;
1744 }
1745 
1746 static int ring_mode_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
1747 		void *p_data, unsigned int bytes)
1748 {
1749 	u32 data = *(u32 *)p_data;
1750 	const struct intel_engine_cs *engine =
1751 		intel_gvt_render_mmio_to_engine(vgpu->gvt, offset);
1752 	bool enable_execlist;
1753 	int ret;
1754 
1755 	(*(u32 *)p_data) &= ~_MASKED_BIT_ENABLE(1);
1756 	if (IS_COFFEELAKE(vgpu->gvt->gt->i915) ||
1757 	    IS_COMETLAKE(vgpu->gvt->gt->i915))
1758 		(*(u32 *)p_data) &= ~_MASKED_BIT_ENABLE(2);
1759 	write_vreg(vgpu, offset, p_data, bytes);
1760 
1761 	if (IS_MASKED_BITS_ENABLED(data, 1)) {
1762 		enter_failsafe_mode(vgpu, GVT_FAILSAFE_UNSUPPORTED_GUEST);
1763 		return 0;
1764 	}
1765 
1766 	if ((IS_COFFEELAKE(vgpu->gvt->gt->i915) ||
1767 	     IS_COMETLAKE(vgpu->gvt->gt->i915)) &&
1768 	    IS_MASKED_BITS_ENABLED(data, 2)) {
1769 		enter_failsafe_mode(vgpu, GVT_FAILSAFE_UNSUPPORTED_GUEST);
1770 		return 0;
1771 	}
1772 
1773 	/* when PPGTT mode enabled, we will check if guest has called
1774 	 * pvinfo, if not, we will treat this guest as non-gvtg-aware
1775 	 * guest, and stop emulating its cfg space, mmio, gtt, etc.
1776 	 */
1777 	if ((IS_MASKED_BITS_ENABLED(data, GFX_PPGTT_ENABLE) ||
1778 	    IS_MASKED_BITS_ENABLED(data, GFX_RUN_LIST_ENABLE)) &&
1779 	    !vgpu->pv_notified) {
1780 		enter_failsafe_mode(vgpu, GVT_FAILSAFE_UNSUPPORTED_GUEST);
1781 		return 0;
1782 	}
1783 	if (IS_MASKED_BITS_ENABLED(data, GFX_RUN_LIST_ENABLE) ||
1784 	    IS_MASKED_BITS_DISABLED(data, GFX_RUN_LIST_ENABLE)) {
1785 		enable_execlist = !!(data & GFX_RUN_LIST_ENABLE);
1786 
1787 		gvt_dbg_core("EXECLIST %s on ring %s\n",
1788 			     (enable_execlist ? "enabling" : "disabling"),
1789 			     engine->name);
1790 
1791 		if (!enable_execlist)
1792 			return 0;
1793 
1794 		ret = intel_vgpu_select_submission_ops(vgpu,
1795 						       engine->mask,
1796 						       INTEL_VGPU_EXECLIST_SUBMISSION);
1797 		if (ret)
1798 			return ret;
1799 
1800 		intel_vgpu_start_schedule(vgpu);
1801 	}
1802 	return 0;
1803 }
1804 
1805 static int gvt_reg_tlb_control_handler(struct intel_vgpu *vgpu,
1806 		unsigned int offset, void *p_data, unsigned int bytes)
1807 {
1808 	unsigned int id = 0;
1809 
1810 	write_vreg(vgpu, offset, p_data, bytes);
1811 	vgpu_vreg(vgpu, offset) = 0;
1812 
1813 	switch (offset) {
1814 	case 0x4260:
1815 		id = RCS0;
1816 		break;
1817 	case 0x4264:
1818 		id = VCS0;
1819 		break;
1820 	case 0x4268:
1821 		id = VCS1;
1822 		break;
1823 	case 0x426c:
1824 		id = BCS0;
1825 		break;
1826 	case 0x4270:
1827 		id = VECS0;
1828 		break;
1829 	default:
1830 		return -EINVAL;
1831 	}
1832 	set_bit(id, (void *)vgpu->submission.tlb_handle_pending);
1833 
1834 	return 0;
1835 }
1836 
1837 static int ring_reset_ctl_write(struct intel_vgpu *vgpu,
1838 	unsigned int offset, void *p_data, unsigned int bytes)
1839 {
1840 	u32 data;
1841 
1842 	write_vreg(vgpu, offset, p_data, bytes);
1843 	data = vgpu_vreg(vgpu, offset);
1844 
1845 	if (IS_MASKED_BITS_ENABLED(data, RESET_CTL_REQUEST_RESET))
1846 		data |= RESET_CTL_READY_TO_RESET;
1847 	else if (data & _MASKED_BIT_DISABLE(RESET_CTL_REQUEST_RESET))
1848 		data &= ~RESET_CTL_READY_TO_RESET;
1849 
1850 	vgpu_vreg(vgpu, offset) = data;
1851 	return 0;
1852 }
1853 
1854 static int csfe_chicken1_mmio_write(struct intel_vgpu *vgpu,
1855 				    unsigned int offset, void *p_data,
1856 				    unsigned int bytes)
1857 {
1858 	u32 data = *(u32 *)p_data;
1859 
1860 	(*(u32 *)p_data) &= ~_MASKED_BIT_ENABLE(0x18);
1861 	write_vreg(vgpu, offset, p_data, bytes);
1862 
1863 	if (IS_MASKED_BITS_ENABLED(data, 0x10) ||
1864 	    IS_MASKED_BITS_ENABLED(data, 0x8))
1865 		enter_failsafe_mode(vgpu, GVT_FAILSAFE_UNSUPPORTED_GUEST);
1866 
1867 	return 0;
1868 }
1869 
1870 #define MMIO_F(reg, s, f, am, rm, d, r, w) do { \
1871 	ret = new_mmio_info(gvt, i915_mmio_reg_offset(reg), \
1872 		f, s, am, rm, d, r, w); \
1873 	if (ret) \
1874 		return ret; \
1875 } while (0)
1876 
1877 #define MMIO_D(reg, d) \
1878 	MMIO_F(reg, 4, 0, 0, 0, d, NULL, NULL)
1879 
1880 #define MMIO_DH(reg, d, r, w) \
1881 	MMIO_F(reg, 4, 0, 0, 0, d, r, w)
1882 
1883 #define MMIO_DFH(reg, d, f, r, w) \
1884 	MMIO_F(reg, 4, f, 0, 0, d, r, w)
1885 
1886 #define MMIO_GM(reg, d, r, w) \
1887 	MMIO_F(reg, 4, F_GMADR, 0xFFFFF000, 0, d, r, w)
1888 
1889 #define MMIO_GM_RDR(reg, d, r, w) \
1890 	MMIO_F(reg, 4, F_GMADR | F_CMD_ACCESS, 0xFFFFF000, 0, d, r, w)
1891 
1892 #define MMIO_RO(reg, d, f, rm, r, w) \
1893 	MMIO_F(reg, 4, F_RO | f, 0, rm, d, r, w)
1894 
1895 #define MMIO_RING_F(prefix, s, f, am, rm, d, r, w) do { \
1896 	MMIO_F(prefix(RENDER_RING_BASE), s, f, am, rm, d, r, w); \
1897 	MMIO_F(prefix(BLT_RING_BASE), s, f, am, rm, d, r, w); \
1898 	MMIO_F(prefix(GEN6_BSD_RING_BASE), s, f, am, rm, d, r, w); \
1899 	MMIO_F(prefix(VEBOX_RING_BASE), s, f, am, rm, d, r, w); \
1900 	if (HAS_ENGINE(gvt->gt, VCS1)) \
1901 		MMIO_F(prefix(GEN8_BSD2_RING_BASE), s, f, am, rm, d, r, w); \
1902 } while (0)
1903 
1904 #define MMIO_RING_D(prefix, d) \
1905 	MMIO_RING_F(prefix, 4, 0, 0, 0, d, NULL, NULL)
1906 
1907 #define MMIO_RING_DFH(prefix, d, f, r, w) \
1908 	MMIO_RING_F(prefix, 4, f, 0, 0, d, r, w)
1909 
1910 #define MMIO_RING_GM(prefix, d, r, w) \
1911 	MMIO_RING_F(prefix, 4, F_GMADR, 0xFFFF0000, 0, d, r, w)
1912 
1913 #define MMIO_RING_GM_RDR(prefix, d, r, w) \
1914 	MMIO_RING_F(prefix, 4, F_GMADR | F_CMD_ACCESS, 0xFFFF0000, 0, d, r, w)
1915 
1916 #define MMIO_RING_RO(prefix, d, f, rm, r, w) \
1917 	MMIO_RING_F(prefix, 4, F_RO | f, 0, rm, d, r, w)
1918 
1919 static int init_generic_mmio_info(struct intel_gvt *gvt)
1920 {
1921 	struct drm_i915_private *dev_priv = gvt->gt->i915;
1922 	int ret;
1923 
1924 	MMIO_RING_DFH(RING_IMR, D_ALL, 0, NULL,
1925 		intel_vgpu_reg_imr_handler);
1926 
1927 	MMIO_DFH(SDEIMR, D_ALL, 0, NULL, intel_vgpu_reg_imr_handler);
1928 	MMIO_DFH(SDEIER, D_ALL, 0, NULL, intel_vgpu_reg_ier_handler);
1929 	MMIO_DFH(SDEIIR, D_ALL, 0, NULL, intel_vgpu_reg_iir_handler);
1930 	MMIO_D(SDEISR, D_ALL);
1931 
1932 	MMIO_RING_DFH(RING_HWSTAM, D_ALL, 0, NULL, NULL);
1933 
1934 
1935 	MMIO_DH(GEN8_GAMW_ECO_DEV_RW_IA, D_BDW_PLUS, NULL,
1936 		gamw_echo_dev_rw_ia_write);
1937 
1938 	MMIO_GM_RDR(BSD_HWS_PGA_GEN7, D_ALL, NULL, NULL);
1939 	MMIO_GM_RDR(BLT_HWS_PGA_GEN7, D_ALL, NULL, NULL);
1940 	MMIO_GM_RDR(VEBOX_HWS_PGA_GEN7, D_ALL, NULL, NULL);
1941 
1942 #define RING_REG(base) _MMIO((base) + 0x28)
1943 	MMIO_RING_DFH(RING_REG, D_ALL, F_CMD_ACCESS, NULL, NULL);
1944 #undef RING_REG
1945 
1946 #define RING_REG(base) _MMIO((base) + 0x134)
1947 	MMIO_RING_DFH(RING_REG, D_ALL, F_CMD_ACCESS, NULL, NULL);
1948 #undef RING_REG
1949 
1950 #define RING_REG(base) _MMIO((base) + 0x6c)
1951 	MMIO_RING_DFH(RING_REG, D_ALL, 0, mmio_read_from_hw, NULL);
1952 #undef RING_REG
1953 	MMIO_DH(GEN7_SC_INSTDONE, D_BDW_PLUS, mmio_read_from_hw, NULL);
1954 
1955 	MMIO_GM_RDR(_MMIO(0x2148), D_ALL, NULL, NULL);
1956 	MMIO_GM_RDR(CCID(RENDER_RING_BASE), D_ALL, NULL, NULL);
1957 	MMIO_GM_RDR(_MMIO(0x12198), D_ALL, NULL, NULL);
1958 	MMIO_D(GEN7_CXT_SIZE, D_ALL);
1959 
1960 	MMIO_RING_DFH(RING_TAIL, D_ALL, 0, NULL, NULL);
1961 	MMIO_RING_DFH(RING_HEAD, D_ALL, 0, NULL, NULL);
1962 	MMIO_RING_DFH(RING_CTL, D_ALL, 0, NULL, NULL);
1963 	MMIO_RING_DFH(RING_ACTHD, D_ALL, 0, mmio_read_from_hw, NULL);
1964 	MMIO_RING_GM(RING_START, D_ALL, NULL, NULL);
1965 
1966 	/* RING MODE */
1967 #define RING_REG(base) _MMIO((base) + 0x29c)
1968 	MMIO_RING_DFH(RING_REG, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL,
1969 		ring_mode_mmio_write);
1970 #undef RING_REG
1971 
1972 	MMIO_RING_DFH(RING_MI_MODE, D_ALL, F_MODE_MASK | F_CMD_ACCESS,
1973 		NULL, NULL);
1974 	MMIO_RING_DFH(RING_INSTPM, D_ALL, F_MODE_MASK | F_CMD_ACCESS,
1975 			NULL, NULL);
1976 	MMIO_RING_DFH(RING_TIMESTAMP, D_ALL, F_CMD_ACCESS,
1977 			mmio_read_from_hw, NULL);
1978 	MMIO_RING_DFH(RING_TIMESTAMP_UDW, D_ALL, F_CMD_ACCESS,
1979 			mmio_read_from_hw, NULL);
1980 
1981 	MMIO_DFH(GEN7_GT_MODE, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1982 	MMIO_DFH(CACHE_MODE_0_GEN7, D_ALL, F_MODE_MASK | F_CMD_ACCESS,
1983 		NULL, NULL);
1984 	MMIO_DFH(CACHE_MODE_1, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1985 	MMIO_DFH(CACHE_MODE_0, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1986 	MMIO_DFH(_MMIO(0x2124), D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1987 
1988 	MMIO_DFH(_MMIO(0x20dc), D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1989 	MMIO_DFH(_3D_CHICKEN3, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1990 	MMIO_DFH(_MMIO(0x2088), D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1991 	MMIO_DFH(FF_SLICE_CS_CHICKEN2, D_ALL,
1992 		 F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1993 	MMIO_DFH(_MMIO(0x2470), D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1994 	MMIO_DFH(GAM_ECOCHK, D_ALL, F_CMD_ACCESS, NULL, NULL);
1995 	MMIO_DFH(GEN7_COMMON_SLICE_CHICKEN1, D_ALL, F_MODE_MASK | F_CMD_ACCESS,
1996 		NULL, NULL);
1997 	MMIO_DFH(COMMON_SLICE_CHICKEN2, D_ALL, F_MODE_MASK | F_CMD_ACCESS,
1998 		 NULL, NULL);
1999 	MMIO_DFH(_MMIO(0x9030), D_ALL, F_CMD_ACCESS, NULL, NULL);
2000 	MMIO_DFH(_MMIO(0x20a0), D_ALL, F_CMD_ACCESS, NULL, NULL);
2001 	MMIO_DFH(_MMIO(0x2420), D_ALL, F_CMD_ACCESS, NULL, NULL);
2002 	MMIO_DFH(_MMIO(0x2430), D_ALL, F_CMD_ACCESS, NULL, NULL);
2003 	MMIO_DFH(_MMIO(0x2434), D_ALL, F_CMD_ACCESS, NULL, NULL);
2004 	MMIO_DFH(_MMIO(0x2438), D_ALL, F_CMD_ACCESS, NULL, NULL);
2005 	MMIO_DFH(_MMIO(0x243c), D_ALL, F_CMD_ACCESS, NULL, NULL);
2006 	MMIO_DFH(_MMIO(0x7018), D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
2007 	MMIO_DFH(HALF_SLICE_CHICKEN3, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
2008 	MMIO_DFH(GEN7_HALF_SLICE_CHICKEN1, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
2009 
2010 	/* display */
2011 	MMIO_F(_MMIO(0x60220), 0x20, 0, 0, 0, D_ALL, NULL, NULL);
2012 	MMIO_D(_MMIO(0x602a0), D_ALL);
2013 
2014 	MMIO_D(_MMIO(0x65050), D_ALL);
2015 	MMIO_D(_MMIO(0x650b4), D_ALL);
2016 
2017 	MMIO_D(_MMIO(0xc4040), D_ALL);
2018 	MMIO_D(DERRMR, D_ALL);
2019 
2020 	MMIO_D(PIPEDSL(PIPE_A), D_ALL);
2021 	MMIO_D(PIPEDSL(PIPE_B), D_ALL);
2022 	MMIO_D(PIPEDSL(PIPE_C), D_ALL);
2023 	MMIO_D(PIPEDSL(_PIPE_EDP), D_ALL);
2024 
2025 	MMIO_DH(PIPECONF(PIPE_A), D_ALL, NULL, pipeconf_mmio_write);
2026 	MMIO_DH(PIPECONF(PIPE_B), D_ALL, NULL, pipeconf_mmio_write);
2027 	MMIO_DH(PIPECONF(PIPE_C), D_ALL, NULL, pipeconf_mmio_write);
2028 	MMIO_DH(PIPECONF(_PIPE_EDP), D_ALL, NULL, pipeconf_mmio_write);
2029 
2030 	MMIO_D(PIPESTAT(PIPE_A), D_ALL);
2031 	MMIO_D(PIPESTAT(PIPE_B), D_ALL);
2032 	MMIO_D(PIPESTAT(PIPE_C), D_ALL);
2033 	MMIO_D(PIPESTAT(_PIPE_EDP), D_ALL);
2034 
2035 	MMIO_D(PIPE_FLIPCOUNT_G4X(PIPE_A), D_ALL);
2036 	MMIO_D(PIPE_FLIPCOUNT_G4X(PIPE_B), D_ALL);
2037 	MMIO_D(PIPE_FLIPCOUNT_G4X(PIPE_C), D_ALL);
2038 	MMIO_D(PIPE_FLIPCOUNT_G4X(_PIPE_EDP), D_ALL);
2039 
2040 	MMIO_D(PIPE_FRMCOUNT_G4X(PIPE_A), D_ALL);
2041 	MMIO_D(PIPE_FRMCOUNT_G4X(PIPE_B), D_ALL);
2042 	MMIO_D(PIPE_FRMCOUNT_G4X(PIPE_C), D_ALL);
2043 	MMIO_D(PIPE_FRMCOUNT_G4X(_PIPE_EDP), D_ALL);
2044 
2045 	MMIO_D(CURCNTR(PIPE_A), D_ALL);
2046 	MMIO_D(CURCNTR(PIPE_B), D_ALL);
2047 	MMIO_D(CURCNTR(PIPE_C), D_ALL);
2048 
2049 	MMIO_D(CURPOS(PIPE_A), D_ALL);
2050 	MMIO_D(CURPOS(PIPE_B), D_ALL);
2051 	MMIO_D(CURPOS(PIPE_C), D_ALL);
2052 
2053 	MMIO_D(CURBASE(PIPE_A), D_ALL);
2054 	MMIO_D(CURBASE(PIPE_B), D_ALL);
2055 	MMIO_D(CURBASE(PIPE_C), D_ALL);
2056 
2057 	MMIO_D(CUR_FBC_CTL(PIPE_A), D_ALL);
2058 	MMIO_D(CUR_FBC_CTL(PIPE_B), D_ALL);
2059 	MMIO_D(CUR_FBC_CTL(PIPE_C), D_ALL);
2060 
2061 	MMIO_D(_MMIO(0x700ac), D_ALL);
2062 	MMIO_D(_MMIO(0x710ac), D_ALL);
2063 	MMIO_D(_MMIO(0x720ac), D_ALL);
2064 
2065 	MMIO_D(_MMIO(0x70090), D_ALL);
2066 	MMIO_D(_MMIO(0x70094), D_ALL);
2067 	MMIO_D(_MMIO(0x70098), D_ALL);
2068 	MMIO_D(_MMIO(0x7009c), D_ALL);
2069 
2070 	MMIO_D(DSPCNTR(PIPE_A), D_ALL);
2071 	MMIO_D(DSPADDR(PIPE_A), D_ALL);
2072 	MMIO_D(DSPSTRIDE(PIPE_A), D_ALL);
2073 	MMIO_D(DSPPOS(PIPE_A), D_ALL);
2074 	MMIO_D(DSPSIZE(PIPE_A), D_ALL);
2075 	MMIO_DH(DSPSURF(PIPE_A), D_ALL, NULL, pri_surf_mmio_write);
2076 	MMIO_D(DSPOFFSET(PIPE_A), D_ALL);
2077 	MMIO_D(DSPSURFLIVE(PIPE_A), D_ALL);
2078 	MMIO_DH(REG_50080(PIPE_A, PLANE_PRIMARY), D_ALL, NULL,
2079 		reg50080_mmio_write);
2080 
2081 	MMIO_D(DSPCNTR(PIPE_B), D_ALL);
2082 	MMIO_D(DSPADDR(PIPE_B), D_ALL);
2083 	MMIO_D(DSPSTRIDE(PIPE_B), D_ALL);
2084 	MMIO_D(DSPPOS(PIPE_B), D_ALL);
2085 	MMIO_D(DSPSIZE(PIPE_B), D_ALL);
2086 	MMIO_DH(DSPSURF(PIPE_B), D_ALL, NULL, pri_surf_mmio_write);
2087 	MMIO_D(DSPOFFSET(PIPE_B), D_ALL);
2088 	MMIO_D(DSPSURFLIVE(PIPE_B), D_ALL);
2089 	MMIO_DH(REG_50080(PIPE_B, PLANE_PRIMARY), D_ALL, NULL,
2090 		reg50080_mmio_write);
2091 
2092 	MMIO_D(DSPCNTR(PIPE_C), D_ALL);
2093 	MMIO_D(DSPADDR(PIPE_C), D_ALL);
2094 	MMIO_D(DSPSTRIDE(PIPE_C), D_ALL);
2095 	MMIO_D(DSPPOS(PIPE_C), D_ALL);
2096 	MMIO_D(DSPSIZE(PIPE_C), D_ALL);
2097 	MMIO_DH(DSPSURF(PIPE_C), D_ALL, NULL, pri_surf_mmio_write);
2098 	MMIO_D(DSPOFFSET(PIPE_C), D_ALL);
2099 	MMIO_D(DSPSURFLIVE(PIPE_C), D_ALL);
2100 	MMIO_DH(REG_50080(PIPE_C, PLANE_PRIMARY), D_ALL, NULL,
2101 		reg50080_mmio_write);
2102 
2103 	MMIO_D(SPRCTL(PIPE_A), D_ALL);
2104 	MMIO_D(SPRLINOFF(PIPE_A), D_ALL);
2105 	MMIO_D(SPRSTRIDE(PIPE_A), D_ALL);
2106 	MMIO_D(SPRPOS(PIPE_A), D_ALL);
2107 	MMIO_D(SPRSIZE(PIPE_A), D_ALL);
2108 	MMIO_D(SPRKEYVAL(PIPE_A), D_ALL);
2109 	MMIO_D(SPRKEYMSK(PIPE_A), D_ALL);
2110 	MMIO_DH(SPRSURF(PIPE_A), D_ALL, NULL, spr_surf_mmio_write);
2111 	MMIO_D(SPRKEYMAX(PIPE_A), D_ALL);
2112 	MMIO_D(SPROFFSET(PIPE_A), D_ALL);
2113 	MMIO_D(SPRSCALE(PIPE_A), D_ALL);
2114 	MMIO_D(SPRSURFLIVE(PIPE_A), D_ALL);
2115 	MMIO_DH(REG_50080(PIPE_A, PLANE_SPRITE0), D_ALL, NULL,
2116 		reg50080_mmio_write);
2117 
2118 	MMIO_D(SPRCTL(PIPE_B), D_ALL);
2119 	MMIO_D(SPRLINOFF(PIPE_B), D_ALL);
2120 	MMIO_D(SPRSTRIDE(PIPE_B), D_ALL);
2121 	MMIO_D(SPRPOS(PIPE_B), D_ALL);
2122 	MMIO_D(SPRSIZE(PIPE_B), D_ALL);
2123 	MMIO_D(SPRKEYVAL(PIPE_B), D_ALL);
2124 	MMIO_D(SPRKEYMSK(PIPE_B), D_ALL);
2125 	MMIO_DH(SPRSURF(PIPE_B), D_ALL, NULL, spr_surf_mmio_write);
2126 	MMIO_D(SPRKEYMAX(PIPE_B), D_ALL);
2127 	MMIO_D(SPROFFSET(PIPE_B), D_ALL);
2128 	MMIO_D(SPRSCALE(PIPE_B), D_ALL);
2129 	MMIO_D(SPRSURFLIVE(PIPE_B), D_ALL);
2130 	MMIO_DH(REG_50080(PIPE_B, PLANE_SPRITE0), D_ALL, NULL,
2131 		reg50080_mmio_write);
2132 
2133 	MMIO_D(SPRCTL(PIPE_C), D_ALL);
2134 	MMIO_D(SPRLINOFF(PIPE_C), D_ALL);
2135 	MMIO_D(SPRSTRIDE(PIPE_C), D_ALL);
2136 	MMIO_D(SPRPOS(PIPE_C), D_ALL);
2137 	MMIO_D(SPRSIZE(PIPE_C), D_ALL);
2138 	MMIO_D(SPRKEYVAL(PIPE_C), D_ALL);
2139 	MMIO_D(SPRKEYMSK(PIPE_C), D_ALL);
2140 	MMIO_DH(SPRSURF(PIPE_C), D_ALL, NULL, spr_surf_mmio_write);
2141 	MMIO_D(SPRKEYMAX(PIPE_C), D_ALL);
2142 	MMIO_D(SPROFFSET(PIPE_C), D_ALL);
2143 	MMIO_D(SPRSCALE(PIPE_C), D_ALL);
2144 	MMIO_D(SPRSURFLIVE(PIPE_C), D_ALL);
2145 	MMIO_DH(REG_50080(PIPE_C, PLANE_SPRITE0), D_ALL, NULL,
2146 		reg50080_mmio_write);
2147 
2148 	MMIO_D(HTOTAL(TRANSCODER_A), D_ALL);
2149 	MMIO_D(HBLANK(TRANSCODER_A), D_ALL);
2150 	MMIO_D(HSYNC(TRANSCODER_A), D_ALL);
2151 	MMIO_D(VTOTAL(TRANSCODER_A), D_ALL);
2152 	MMIO_D(VBLANK(TRANSCODER_A), D_ALL);
2153 	MMIO_D(VSYNC(TRANSCODER_A), D_ALL);
2154 	MMIO_D(BCLRPAT(TRANSCODER_A), D_ALL);
2155 	MMIO_D(VSYNCSHIFT(TRANSCODER_A), D_ALL);
2156 	MMIO_D(PIPESRC(TRANSCODER_A), D_ALL);
2157 
2158 	MMIO_D(HTOTAL(TRANSCODER_B), D_ALL);
2159 	MMIO_D(HBLANK(TRANSCODER_B), D_ALL);
2160 	MMIO_D(HSYNC(TRANSCODER_B), D_ALL);
2161 	MMIO_D(VTOTAL(TRANSCODER_B), D_ALL);
2162 	MMIO_D(VBLANK(TRANSCODER_B), D_ALL);
2163 	MMIO_D(VSYNC(TRANSCODER_B), D_ALL);
2164 	MMIO_D(BCLRPAT(TRANSCODER_B), D_ALL);
2165 	MMIO_D(VSYNCSHIFT(TRANSCODER_B), D_ALL);
2166 	MMIO_D(PIPESRC(TRANSCODER_B), D_ALL);
2167 
2168 	MMIO_D(HTOTAL(TRANSCODER_C), D_ALL);
2169 	MMIO_D(HBLANK(TRANSCODER_C), D_ALL);
2170 	MMIO_D(HSYNC(TRANSCODER_C), D_ALL);
2171 	MMIO_D(VTOTAL(TRANSCODER_C), D_ALL);
2172 	MMIO_D(VBLANK(TRANSCODER_C), D_ALL);
2173 	MMIO_D(VSYNC(TRANSCODER_C), D_ALL);
2174 	MMIO_D(BCLRPAT(TRANSCODER_C), D_ALL);
2175 	MMIO_D(VSYNCSHIFT(TRANSCODER_C), D_ALL);
2176 	MMIO_D(PIPESRC(TRANSCODER_C), D_ALL);
2177 
2178 	MMIO_D(HTOTAL(TRANSCODER_EDP), D_ALL);
2179 	MMIO_D(HBLANK(TRANSCODER_EDP), D_ALL);
2180 	MMIO_D(HSYNC(TRANSCODER_EDP), D_ALL);
2181 	MMIO_D(VTOTAL(TRANSCODER_EDP), D_ALL);
2182 	MMIO_D(VBLANK(TRANSCODER_EDP), D_ALL);
2183 	MMIO_D(VSYNC(TRANSCODER_EDP), D_ALL);
2184 	MMIO_D(BCLRPAT(TRANSCODER_EDP), D_ALL);
2185 	MMIO_D(VSYNCSHIFT(TRANSCODER_EDP), D_ALL);
2186 
2187 	MMIO_D(PIPE_DATA_M1(TRANSCODER_A), D_ALL);
2188 	MMIO_D(PIPE_DATA_N1(TRANSCODER_A), D_ALL);
2189 	MMIO_D(PIPE_DATA_M2(TRANSCODER_A), D_ALL);
2190 	MMIO_D(PIPE_DATA_N2(TRANSCODER_A), D_ALL);
2191 	MMIO_D(PIPE_LINK_M1(TRANSCODER_A), D_ALL);
2192 	MMIO_D(PIPE_LINK_N1(TRANSCODER_A), D_ALL);
2193 	MMIO_D(PIPE_LINK_M2(TRANSCODER_A), D_ALL);
2194 	MMIO_D(PIPE_LINK_N2(TRANSCODER_A), D_ALL);
2195 
2196 	MMIO_D(PIPE_DATA_M1(TRANSCODER_B), D_ALL);
2197 	MMIO_D(PIPE_DATA_N1(TRANSCODER_B), D_ALL);
2198 	MMIO_D(PIPE_DATA_M2(TRANSCODER_B), D_ALL);
2199 	MMIO_D(PIPE_DATA_N2(TRANSCODER_B), D_ALL);
2200 	MMIO_D(PIPE_LINK_M1(TRANSCODER_B), D_ALL);
2201 	MMIO_D(PIPE_LINK_N1(TRANSCODER_B), D_ALL);
2202 	MMIO_D(PIPE_LINK_M2(TRANSCODER_B), D_ALL);
2203 	MMIO_D(PIPE_LINK_N2(TRANSCODER_B), D_ALL);
2204 
2205 	MMIO_D(PIPE_DATA_M1(TRANSCODER_C), D_ALL);
2206 	MMIO_D(PIPE_DATA_N1(TRANSCODER_C), D_ALL);
2207 	MMIO_D(PIPE_DATA_M2(TRANSCODER_C), D_ALL);
2208 	MMIO_D(PIPE_DATA_N2(TRANSCODER_C), D_ALL);
2209 	MMIO_D(PIPE_LINK_M1(TRANSCODER_C), D_ALL);
2210 	MMIO_D(PIPE_LINK_N1(TRANSCODER_C), D_ALL);
2211 	MMIO_D(PIPE_LINK_M2(TRANSCODER_C), D_ALL);
2212 	MMIO_D(PIPE_LINK_N2(TRANSCODER_C), D_ALL);
2213 
2214 	MMIO_D(PIPE_DATA_M1(TRANSCODER_EDP), D_ALL);
2215 	MMIO_D(PIPE_DATA_N1(TRANSCODER_EDP), D_ALL);
2216 	MMIO_D(PIPE_DATA_M2(TRANSCODER_EDP), D_ALL);
2217 	MMIO_D(PIPE_DATA_N2(TRANSCODER_EDP), D_ALL);
2218 	MMIO_D(PIPE_LINK_M1(TRANSCODER_EDP), D_ALL);
2219 	MMIO_D(PIPE_LINK_N1(TRANSCODER_EDP), D_ALL);
2220 	MMIO_D(PIPE_LINK_M2(TRANSCODER_EDP), D_ALL);
2221 	MMIO_D(PIPE_LINK_N2(TRANSCODER_EDP), D_ALL);
2222 
2223 	MMIO_D(PF_CTL(PIPE_A), D_ALL);
2224 	MMIO_D(PF_WIN_SZ(PIPE_A), D_ALL);
2225 	MMIO_D(PF_WIN_POS(PIPE_A), D_ALL);
2226 	MMIO_D(PF_VSCALE(PIPE_A), D_ALL);
2227 	MMIO_D(PF_HSCALE(PIPE_A), D_ALL);
2228 
2229 	MMIO_D(PF_CTL(PIPE_B), D_ALL);
2230 	MMIO_D(PF_WIN_SZ(PIPE_B), D_ALL);
2231 	MMIO_D(PF_WIN_POS(PIPE_B), D_ALL);
2232 	MMIO_D(PF_VSCALE(PIPE_B), D_ALL);
2233 	MMIO_D(PF_HSCALE(PIPE_B), D_ALL);
2234 
2235 	MMIO_D(PF_CTL(PIPE_C), D_ALL);
2236 	MMIO_D(PF_WIN_SZ(PIPE_C), D_ALL);
2237 	MMIO_D(PF_WIN_POS(PIPE_C), D_ALL);
2238 	MMIO_D(PF_VSCALE(PIPE_C), D_ALL);
2239 	MMIO_D(PF_HSCALE(PIPE_C), D_ALL);
2240 
2241 	MMIO_D(WM0_PIPE_ILK(PIPE_A), D_ALL);
2242 	MMIO_D(WM0_PIPE_ILK(PIPE_B), D_ALL);
2243 	MMIO_D(WM0_PIPE_ILK(PIPE_C), D_ALL);
2244 	MMIO_D(WM1_LP_ILK, D_ALL);
2245 	MMIO_D(WM2_LP_ILK, D_ALL);
2246 	MMIO_D(WM3_LP_ILK, D_ALL);
2247 	MMIO_D(WM1S_LP_ILK, D_ALL);
2248 	MMIO_D(WM2S_LP_IVB, D_ALL);
2249 	MMIO_D(WM3S_LP_IVB, D_ALL);
2250 
2251 	MMIO_D(BLC_PWM_CPU_CTL2, D_ALL);
2252 	MMIO_D(BLC_PWM_CPU_CTL, D_ALL);
2253 	MMIO_D(BLC_PWM_PCH_CTL1, D_ALL);
2254 	MMIO_D(BLC_PWM_PCH_CTL2, D_ALL);
2255 
2256 	MMIO_D(_MMIO(0x48268), D_ALL);
2257 
2258 	MMIO_F(PCH_GMBUS0, 4 * 4, 0, 0, 0, D_ALL, gmbus_mmio_read,
2259 		gmbus_mmio_write);
2260 	MMIO_F(PCH_GPIO_BASE, 6 * 4, F_UNALIGN, 0, 0, D_ALL, NULL, NULL);
2261 	MMIO_F(_MMIO(0xe4f00), 0x28, 0, 0, 0, D_ALL, NULL, NULL);
2262 
2263 	MMIO_F(_MMIO(_PCH_DPB_AUX_CH_CTL), 6 * 4, 0, 0, 0, D_PRE_SKL, NULL,
2264 		dp_aux_ch_ctl_mmio_write);
2265 	MMIO_F(_MMIO(_PCH_DPC_AUX_CH_CTL), 6 * 4, 0, 0, 0, D_PRE_SKL, NULL,
2266 		dp_aux_ch_ctl_mmio_write);
2267 	MMIO_F(_MMIO(_PCH_DPD_AUX_CH_CTL), 6 * 4, 0, 0, 0, D_PRE_SKL, NULL,
2268 		dp_aux_ch_ctl_mmio_write);
2269 
2270 	MMIO_DH(PCH_ADPA, D_PRE_SKL, NULL, pch_adpa_mmio_write);
2271 
2272 	MMIO_DH(_MMIO(_PCH_TRANSACONF), D_ALL, NULL, transconf_mmio_write);
2273 	MMIO_DH(_MMIO(_PCH_TRANSBCONF), D_ALL, NULL, transconf_mmio_write);
2274 
2275 	MMIO_DH(FDI_RX_IIR(PIPE_A), D_ALL, NULL, fdi_rx_iir_mmio_write);
2276 	MMIO_DH(FDI_RX_IIR(PIPE_B), D_ALL, NULL, fdi_rx_iir_mmio_write);
2277 	MMIO_DH(FDI_RX_IIR(PIPE_C), D_ALL, NULL, fdi_rx_iir_mmio_write);
2278 	MMIO_DH(FDI_RX_IMR(PIPE_A), D_ALL, NULL, update_fdi_rx_iir_status);
2279 	MMIO_DH(FDI_RX_IMR(PIPE_B), D_ALL, NULL, update_fdi_rx_iir_status);
2280 	MMIO_DH(FDI_RX_IMR(PIPE_C), D_ALL, NULL, update_fdi_rx_iir_status);
2281 	MMIO_DH(FDI_RX_CTL(PIPE_A), D_ALL, NULL, update_fdi_rx_iir_status);
2282 	MMIO_DH(FDI_RX_CTL(PIPE_B), D_ALL, NULL, update_fdi_rx_iir_status);
2283 	MMIO_DH(FDI_RX_CTL(PIPE_C), D_ALL, NULL, update_fdi_rx_iir_status);
2284 
2285 	MMIO_D(_MMIO(_PCH_TRANS_HTOTAL_A), D_ALL);
2286 	MMIO_D(_MMIO(_PCH_TRANS_HBLANK_A), D_ALL);
2287 	MMIO_D(_MMIO(_PCH_TRANS_HSYNC_A), D_ALL);
2288 	MMIO_D(_MMIO(_PCH_TRANS_VTOTAL_A), D_ALL);
2289 	MMIO_D(_MMIO(_PCH_TRANS_VBLANK_A), D_ALL);
2290 	MMIO_D(_MMIO(_PCH_TRANS_VSYNC_A), D_ALL);
2291 	MMIO_D(_MMIO(_PCH_TRANS_VSYNCSHIFT_A), D_ALL);
2292 
2293 	MMIO_D(_MMIO(_PCH_TRANS_HTOTAL_B), D_ALL);
2294 	MMIO_D(_MMIO(_PCH_TRANS_HBLANK_B), D_ALL);
2295 	MMIO_D(_MMIO(_PCH_TRANS_HSYNC_B), D_ALL);
2296 	MMIO_D(_MMIO(_PCH_TRANS_VTOTAL_B), D_ALL);
2297 	MMIO_D(_MMIO(_PCH_TRANS_VBLANK_B), D_ALL);
2298 	MMIO_D(_MMIO(_PCH_TRANS_VSYNC_B), D_ALL);
2299 	MMIO_D(_MMIO(_PCH_TRANS_VSYNCSHIFT_B), D_ALL);
2300 
2301 	MMIO_D(_MMIO(_PCH_TRANSA_DATA_M1), D_ALL);
2302 	MMIO_D(_MMIO(_PCH_TRANSA_DATA_N1), D_ALL);
2303 	MMIO_D(_MMIO(_PCH_TRANSA_DATA_M2), D_ALL);
2304 	MMIO_D(_MMIO(_PCH_TRANSA_DATA_N2), D_ALL);
2305 	MMIO_D(_MMIO(_PCH_TRANSA_LINK_M1), D_ALL);
2306 	MMIO_D(_MMIO(_PCH_TRANSA_LINK_N1), D_ALL);
2307 	MMIO_D(_MMIO(_PCH_TRANSA_LINK_M2), D_ALL);
2308 	MMIO_D(_MMIO(_PCH_TRANSA_LINK_N2), D_ALL);
2309 
2310 	MMIO_D(TRANS_DP_CTL(PIPE_A), D_ALL);
2311 	MMIO_D(TRANS_DP_CTL(PIPE_B), D_ALL);
2312 	MMIO_D(TRANS_DP_CTL(PIPE_C), D_ALL);
2313 
2314 	MMIO_D(TVIDEO_DIP_CTL(PIPE_A), D_ALL);
2315 	MMIO_D(TVIDEO_DIP_DATA(PIPE_A), D_ALL);
2316 	MMIO_D(TVIDEO_DIP_GCP(PIPE_A), D_ALL);
2317 
2318 	MMIO_D(TVIDEO_DIP_CTL(PIPE_B), D_ALL);
2319 	MMIO_D(TVIDEO_DIP_DATA(PIPE_B), D_ALL);
2320 	MMIO_D(TVIDEO_DIP_GCP(PIPE_B), D_ALL);
2321 
2322 	MMIO_D(TVIDEO_DIP_CTL(PIPE_C), D_ALL);
2323 	MMIO_D(TVIDEO_DIP_DATA(PIPE_C), D_ALL);
2324 	MMIO_D(TVIDEO_DIP_GCP(PIPE_C), D_ALL);
2325 
2326 	MMIO_D(_MMIO(_FDI_RXA_MISC), D_ALL);
2327 	MMIO_D(_MMIO(_FDI_RXB_MISC), D_ALL);
2328 	MMIO_D(_MMIO(_FDI_RXA_TUSIZE1), D_ALL);
2329 	MMIO_D(_MMIO(_FDI_RXA_TUSIZE2), D_ALL);
2330 	MMIO_D(_MMIO(_FDI_RXB_TUSIZE1), D_ALL);
2331 	MMIO_D(_MMIO(_FDI_RXB_TUSIZE2), D_ALL);
2332 
2333 	MMIO_DH(PCH_PP_CONTROL, D_ALL, NULL, pch_pp_control_mmio_write);
2334 	MMIO_D(PCH_PP_DIVISOR, D_ALL);
2335 	MMIO_D(PCH_PP_STATUS,  D_ALL);
2336 	MMIO_D(PCH_LVDS, D_ALL);
2337 	MMIO_D(_MMIO(_PCH_DPLL_A), D_ALL);
2338 	MMIO_D(_MMIO(_PCH_DPLL_B), D_ALL);
2339 	MMIO_D(_MMIO(_PCH_FPA0), D_ALL);
2340 	MMIO_D(_MMIO(_PCH_FPA1), D_ALL);
2341 	MMIO_D(_MMIO(_PCH_FPB0), D_ALL);
2342 	MMIO_D(_MMIO(_PCH_FPB1), D_ALL);
2343 	MMIO_D(PCH_DREF_CONTROL, D_ALL);
2344 	MMIO_D(PCH_RAWCLK_FREQ, D_ALL);
2345 	MMIO_D(PCH_DPLL_SEL, D_ALL);
2346 
2347 	MMIO_D(_MMIO(0x61208), D_ALL);
2348 	MMIO_D(_MMIO(0x6120c), D_ALL);
2349 	MMIO_D(PCH_PP_ON_DELAYS, D_ALL);
2350 	MMIO_D(PCH_PP_OFF_DELAYS, D_ALL);
2351 
2352 	MMIO_DH(_MMIO(0xe651c), D_ALL, dpy_reg_mmio_read, NULL);
2353 	MMIO_DH(_MMIO(0xe661c), D_ALL, dpy_reg_mmio_read, NULL);
2354 	MMIO_DH(_MMIO(0xe671c), D_ALL, dpy_reg_mmio_read, NULL);
2355 	MMIO_DH(_MMIO(0xe681c), D_ALL, dpy_reg_mmio_read, NULL);
2356 	MMIO_DH(_MMIO(0xe6c04), D_ALL, dpy_reg_mmio_read, NULL);
2357 	MMIO_DH(_MMIO(0xe6e1c), D_ALL, dpy_reg_mmio_read, NULL);
2358 
2359 	MMIO_RO(PCH_PORT_HOTPLUG, D_ALL, 0,
2360 		PORTA_HOTPLUG_STATUS_MASK
2361 		| PORTB_HOTPLUG_STATUS_MASK
2362 		| PORTC_HOTPLUG_STATUS_MASK
2363 		| PORTD_HOTPLUG_STATUS_MASK,
2364 		NULL, NULL);
2365 
2366 	MMIO_DH(LCPLL_CTL, D_ALL, NULL, lcpll_ctl_mmio_write);
2367 	MMIO_D(FUSE_STRAP, D_ALL);
2368 	MMIO_D(DIGITAL_PORT_HOTPLUG_CNTRL, D_ALL);
2369 
2370 	MMIO_D(DISP_ARB_CTL, D_ALL);
2371 	MMIO_D(DISP_ARB_CTL2, D_ALL);
2372 
2373 	MMIO_D(ILK_DISPLAY_CHICKEN1, D_ALL);
2374 	MMIO_D(ILK_DISPLAY_CHICKEN2, D_ALL);
2375 	MMIO_D(ILK_DSPCLK_GATE_D, D_ALL);
2376 
2377 	MMIO_D(SOUTH_CHICKEN1, D_ALL);
2378 	MMIO_DH(SOUTH_CHICKEN2, D_ALL, NULL, south_chicken2_mmio_write);
2379 	MMIO_D(_MMIO(_TRANSA_CHICKEN1), D_ALL);
2380 	MMIO_D(_MMIO(_TRANSB_CHICKEN1), D_ALL);
2381 	MMIO_D(SOUTH_DSPCLK_GATE_D, D_ALL);
2382 	MMIO_D(_MMIO(_TRANSA_CHICKEN2), D_ALL);
2383 	MMIO_D(_MMIO(_TRANSB_CHICKEN2), D_ALL);
2384 
2385 	MMIO_D(ILK_DPFC_CB_BASE, D_ALL);
2386 	MMIO_D(ILK_DPFC_CONTROL, D_ALL);
2387 	MMIO_D(ILK_DPFC_RECOMP_CTL, D_ALL);
2388 	MMIO_D(ILK_DPFC_STATUS, D_ALL);
2389 	MMIO_D(ILK_DPFC_FENCE_YOFF, D_ALL);
2390 	MMIO_D(ILK_DPFC_CHICKEN, D_ALL);
2391 	MMIO_D(ILK_FBC_RT_BASE, D_ALL);
2392 
2393 	MMIO_D(IPS_CTL, D_ALL);
2394 
2395 	MMIO_D(PIPE_CSC_COEFF_RY_GY(PIPE_A), D_ALL);
2396 	MMIO_D(PIPE_CSC_COEFF_BY(PIPE_A), D_ALL);
2397 	MMIO_D(PIPE_CSC_COEFF_RU_GU(PIPE_A), D_ALL);
2398 	MMIO_D(PIPE_CSC_COEFF_BU(PIPE_A), D_ALL);
2399 	MMIO_D(PIPE_CSC_COEFF_RV_GV(PIPE_A), D_ALL);
2400 	MMIO_D(PIPE_CSC_COEFF_BV(PIPE_A), D_ALL);
2401 	MMIO_D(PIPE_CSC_MODE(PIPE_A), D_ALL);
2402 	MMIO_D(PIPE_CSC_PREOFF_HI(PIPE_A), D_ALL);
2403 	MMIO_D(PIPE_CSC_PREOFF_ME(PIPE_A), D_ALL);
2404 	MMIO_D(PIPE_CSC_PREOFF_LO(PIPE_A), D_ALL);
2405 	MMIO_D(PIPE_CSC_POSTOFF_HI(PIPE_A), D_ALL);
2406 	MMIO_D(PIPE_CSC_POSTOFF_ME(PIPE_A), D_ALL);
2407 	MMIO_D(PIPE_CSC_POSTOFF_LO(PIPE_A), D_ALL);
2408 
2409 	MMIO_D(PIPE_CSC_COEFF_RY_GY(PIPE_B), D_ALL);
2410 	MMIO_D(PIPE_CSC_COEFF_BY(PIPE_B), D_ALL);
2411 	MMIO_D(PIPE_CSC_COEFF_RU_GU(PIPE_B), D_ALL);
2412 	MMIO_D(PIPE_CSC_COEFF_BU(PIPE_B), D_ALL);
2413 	MMIO_D(PIPE_CSC_COEFF_RV_GV(PIPE_B), D_ALL);
2414 	MMIO_D(PIPE_CSC_COEFF_BV(PIPE_B), D_ALL);
2415 	MMIO_D(PIPE_CSC_MODE(PIPE_B), D_ALL);
2416 	MMIO_D(PIPE_CSC_PREOFF_HI(PIPE_B), D_ALL);
2417 	MMIO_D(PIPE_CSC_PREOFF_ME(PIPE_B), D_ALL);
2418 	MMIO_D(PIPE_CSC_PREOFF_LO(PIPE_B), D_ALL);
2419 	MMIO_D(PIPE_CSC_POSTOFF_HI(PIPE_B), D_ALL);
2420 	MMIO_D(PIPE_CSC_POSTOFF_ME(PIPE_B), D_ALL);
2421 	MMIO_D(PIPE_CSC_POSTOFF_LO(PIPE_B), D_ALL);
2422 
2423 	MMIO_D(PIPE_CSC_COEFF_RY_GY(PIPE_C), D_ALL);
2424 	MMIO_D(PIPE_CSC_COEFF_BY(PIPE_C), D_ALL);
2425 	MMIO_D(PIPE_CSC_COEFF_RU_GU(PIPE_C), D_ALL);
2426 	MMIO_D(PIPE_CSC_COEFF_BU(PIPE_C), D_ALL);
2427 	MMIO_D(PIPE_CSC_COEFF_RV_GV(PIPE_C), D_ALL);
2428 	MMIO_D(PIPE_CSC_COEFF_BV(PIPE_C), D_ALL);
2429 	MMIO_D(PIPE_CSC_MODE(PIPE_C), D_ALL);
2430 	MMIO_D(PIPE_CSC_PREOFF_HI(PIPE_C), D_ALL);
2431 	MMIO_D(PIPE_CSC_PREOFF_ME(PIPE_C), D_ALL);
2432 	MMIO_D(PIPE_CSC_PREOFF_LO(PIPE_C), D_ALL);
2433 	MMIO_D(PIPE_CSC_POSTOFF_HI(PIPE_C), D_ALL);
2434 	MMIO_D(PIPE_CSC_POSTOFF_ME(PIPE_C), D_ALL);
2435 	MMIO_D(PIPE_CSC_POSTOFF_LO(PIPE_C), D_ALL);
2436 
2437 	MMIO_D(PREC_PAL_INDEX(PIPE_A), D_ALL);
2438 	MMIO_D(PREC_PAL_DATA(PIPE_A), D_ALL);
2439 	MMIO_F(PREC_PAL_GC_MAX(PIPE_A, 0), 4 * 3, 0, 0, 0, D_ALL, NULL, NULL);
2440 
2441 	MMIO_D(PREC_PAL_INDEX(PIPE_B), D_ALL);
2442 	MMIO_D(PREC_PAL_DATA(PIPE_B), D_ALL);
2443 	MMIO_F(PREC_PAL_GC_MAX(PIPE_B, 0), 4 * 3, 0, 0, 0, D_ALL, NULL, NULL);
2444 
2445 	MMIO_D(PREC_PAL_INDEX(PIPE_C), D_ALL);
2446 	MMIO_D(PREC_PAL_DATA(PIPE_C), D_ALL);
2447 	MMIO_F(PREC_PAL_GC_MAX(PIPE_C, 0), 4 * 3, 0, 0, 0, D_ALL, NULL, NULL);
2448 
2449 	MMIO_D(_MMIO(0x60110), D_ALL);
2450 	MMIO_D(_MMIO(0x61110), D_ALL);
2451 	MMIO_F(_MMIO(0x70400), 0x40, 0, 0, 0, D_ALL, NULL, NULL);
2452 	MMIO_F(_MMIO(0x71400), 0x40, 0, 0, 0, D_ALL, NULL, NULL);
2453 	MMIO_F(_MMIO(0x72400), 0x40, 0, 0, 0, D_ALL, NULL, NULL);
2454 	MMIO_F(_MMIO(0x70440), 0xc, 0, 0, 0, D_PRE_SKL, NULL, NULL);
2455 	MMIO_F(_MMIO(0x71440), 0xc, 0, 0, 0, D_PRE_SKL, NULL, NULL);
2456 	MMIO_F(_MMIO(0x72440), 0xc, 0, 0, 0, D_PRE_SKL, NULL, NULL);
2457 	MMIO_F(_MMIO(0x7044c), 0xc, 0, 0, 0, D_PRE_SKL, NULL, NULL);
2458 	MMIO_F(_MMIO(0x7144c), 0xc, 0, 0, 0, D_PRE_SKL, NULL, NULL);
2459 	MMIO_F(_MMIO(0x7244c), 0xc, 0, 0, 0, D_PRE_SKL, NULL, NULL);
2460 
2461 	MMIO_D(WM_LINETIME(PIPE_A), D_ALL);
2462 	MMIO_D(WM_LINETIME(PIPE_B), D_ALL);
2463 	MMIO_D(WM_LINETIME(PIPE_C), D_ALL);
2464 	MMIO_D(SPLL_CTL, D_ALL);
2465 	MMIO_D(_MMIO(_WRPLL_CTL1), D_ALL);
2466 	MMIO_D(_MMIO(_WRPLL_CTL2), D_ALL);
2467 	MMIO_D(PORT_CLK_SEL(PORT_A), D_ALL);
2468 	MMIO_D(PORT_CLK_SEL(PORT_B), D_ALL);
2469 	MMIO_D(PORT_CLK_SEL(PORT_C), D_ALL);
2470 	MMIO_D(PORT_CLK_SEL(PORT_D), D_ALL);
2471 	MMIO_D(PORT_CLK_SEL(PORT_E), D_ALL);
2472 	MMIO_D(TRANS_CLK_SEL(TRANSCODER_A), D_ALL);
2473 	MMIO_D(TRANS_CLK_SEL(TRANSCODER_B), D_ALL);
2474 	MMIO_D(TRANS_CLK_SEL(TRANSCODER_C), D_ALL);
2475 
2476 	MMIO_D(HSW_NDE_RSTWRN_OPT, D_ALL);
2477 	MMIO_D(_MMIO(0x46508), D_ALL);
2478 
2479 	MMIO_D(_MMIO(0x49080), D_ALL);
2480 	MMIO_D(_MMIO(0x49180), D_ALL);
2481 	MMIO_D(_MMIO(0x49280), D_ALL);
2482 
2483 	MMIO_F(_MMIO(0x49090), 0x14, 0, 0, 0, D_ALL, NULL, NULL);
2484 	MMIO_F(_MMIO(0x49190), 0x14, 0, 0, 0, D_ALL, NULL, NULL);
2485 	MMIO_F(_MMIO(0x49290), 0x14, 0, 0, 0, D_ALL, NULL, NULL);
2486 
2487 	MMIO_D(GAMMA_MODE(PIPE_A), D_ALL);
2488 	MMIO_D(GAMMA_MODE(PIPE_B), D_ALL);
2489 	MMIO_D(GAMMA_MODE(PIPE_C), D_ALL);
2490 
2491 	MMIO_D(PIPE_MULT(PIPE_A), D_ALL);
2492 	MMIO_D(PIPE_MULT(PIPE_B), D_ALL);
2493 	MMIO_D(PIPE_MULT(PIPE_C), D_ALL);
2494 
2495 	MMIO_D(HSW_TVIDEO_DIP_CTL(TRANSCODER_A), D_ALL);
2496 	MMIO_D(HSW_TVIDEO_DIP_CTL(TRANSCODER_B), D_ALL);
2497 	MMIO_D(HSW_TVIDEO_DIP_CTL(TRANSCODER_C), D_ALL);
2498 
2499 	MMIO_DH(SFUSE_STRAP, D_ALL, NULL, NULL);
2500 	MMIO_D(SBI_ADDR, D_ALL);
2501 	MMIO_DH(SBI_DATA, D_ALL, sbi_data_mmio_read, NULL);
2502 	MMIO_DH(SBI_CTL_STAT, D_ALL, NULL, sbi_ctl_mmio_write);
2503 	MMIO_D(PIXCLK_GATE, D_ALL);
2504 
2505 	MMIO_F(_MMIO(_DPA_AUX_CH_CTL), 6 * 4, 0, 0, 0, D_ALL, NULL,
2506 		dp_aux_ch_ctl_mmio_write);
2507 
2508 	MMIO_DH(DDI_BUF_CTL(PORT_A), D_ALL, NULL, ddi_buf_ctl_mmio_write);
2509 	MMIO_DH(DDI_BUF_CTL(PORT_B), D_ALL, NULL, ddi_buf_ctl_mmio_write);
2510 	MMIO_DH(DDI_BUF_CTL(PORT_C), D_ALL, NULL, ddi_buf_ctl_mmio_write);
2511 	MMIO_DH(DDI_BUF_CTL(PORT_D), D_ALL, NULL, ddi_buf_ctl_mmio_write);
2512 	MMIO_DH(DDI_BUF_CTL(PORT_E), D_ALL, NULL, ddi_buf_ctl_mmio_write);
2513 
2514 	MMIO_DH(DP_TP_CTL(PORT_A), D_ALL, NULL, dp_tp_ctl_mmio_write);
2515 	MMIO_DH(DP_TP_CTL(PORT_B), D_ALL, NULL, dp_tp_ctl_mmio_write);
2516 	MMIO_DH(DP_TP_CTL(PORT_C), D_ALL, NULL, dp_tp_ctl_mmio_write);
2517 	MMIO_DH(DP_TP_CTL(PORT_D), D_ALL, NULL, dp_tp_ctl_mmio_write);
2518 	MMIO_DH(DP_TP_CTL(PORT_E), D_ALL, NULL, dp_tp_ctl_mmio_write);
2519 
2520 	MMIO_DH(DP_TP_STATUS(PORT_A), D_ALL, NULL, dp_tp_status_mmio_write);
2521 	MMIO_DH(DP_TP_STATUS(PORT_B), D_ALL, NULL, dp_tp_status_mmio_write);
2522 	MMIO_DH(DP_TP_STATUS(PORT_C), D_ALL, NULL, dp_tp_status_mmio_write);
2523 	MMIO_DH(DP_TP_STATUS(PORT_D), D_ALL, NULL, dp_tp_status_mmio_write);
2524 	MMIO_DH(DP_TP_STATUS(PORT_E), D_ALL, NULL, NULL);
2525 
2526 	MMIO_F(_MMIO(_DDI_BUF_TRANS_A), 0x50, 0, 0, 0, D_ALL, NULL, NULL);
2527 	MMIO_F(_MMIO(0x64e60), 0x50, 0, 0, 0, D_ALL, NULL, NULL);
2528 	MMIO_F(_MMIO(0x64eC0), 0x50, 0, 0, 0, D_ALL, NULL, NULL);
2529 	MMIO_F(_MMIO(0x64f20), 0x50, 0, 0, 0, D_ALL, NULL, NULL);
2530 	MMIO_F(_MMIO(0x64f80), 0x50, 0, 0, 0, D_ALL, NULL, NULL);
2531 
2532 	MMIO_D(HSW_AUD_CFG(PIPE_A), D_ALL);
2533 	MMIO_D(HSW_AUD_PIN_ELD_CP_VLD, D_ALL);
2534 	MMIO_D(HSW_AUD_MISC_CTRL(PIPE_A), D_ALL);
2535 
2536 	MMIO_DH(_MMIO(_TRANS_DDI_FUNC_CTL_A), D_ALL, NULL, NULL);
2537 	MMIO_DH(_MMIO(_TRANS_DDI_FUNC_CTL_B), D_ALL, NULL, NULL);
2538 	MMIO_DH(_MMIO(_TRANS_DDI_FUNC_CTL_C), D_ALL, NULL, NULL);
2539 	MMIO_DH(_MMIO(_TRANS_DDI_FUNC_CTL_EDP), D_ALL, NULL, NULL);
2540 
2541 	MMIO_D(_MMIO(_TRANSA_MSA_MISC), D_ALL);
2542 	MMIO_D(_MMIO(_TRANSB_MSA_MISC), D_ALL);
2543 	MMIO_D(_MMIO(_TRANSC_MSA_MISC), D_ALL);
2544 	MMIO_D(_MMIO(_TRANS_EDP_MSA_MISC), D_ALL);
2545 
2546 	MMIO_DH(FORCEWAKE, D_ALL, NULL, NULL);
2547 	MMIO_D(FORCEWAKE_ACK, D_ALL);
2548 	MMIO_D(GEN6_GT_CORE_STATUS, D_ALL);
2549 	MMIO_D(GEN6_GT_THREAD_STATUS_REG, D_ALL);
2550 	MMIO_DFH(GTFIFODBG, D_ALL, F_CMD_ACCESS, NULL, NULL);
2551 	MMIO_DFH(GTFIFOCTL, D_ALL, F_CMD_ACCESS, NULL, NULL);
2552 	MMIO_DH(FORCEWAKE_MT, D_PRE_SKL, NULL, mul_force_wake_write);
2553 	MMIO_DH(FORCEWAKE_ACK_HSW, D_BDW, NULL, NULL);
2554 	MMIO_D(ECOBUS, D_ALL);
2555 	MMIO_DH(GEN6_RC_CONTROL, D_ALL, NULL, NULL);
2556 	MMIO_DH(GEN6_RC_STATE, D_ALL, NULL, NULL);
2557 	MMIO_D(GEN6_RPNSWREQ, D_ALL);
2558 	MMIO_D(GEN6_RC_VIDEO_FREQ, D_ALL);
2559 	MMIO_D(GEN6_RP_DOWN_TIMEOUT, D_ALL);
2560 	MMIO_D(GEN6_RP_INTERRUPT_LIMITS, D_ALL);
2561 	MMIO_D(GEN6_RPSTAT1, D_ALL);
2562 	MMIO_D(GEN6_RP_CONTROL, D_ALL);
2563 	MMIO_D(GEN6_RP_UP_THRESHOLD, D_ALL);
2564 	MMIO_D(GEN6_RP_DOWN_THRESHOLD, D_ALL);
2565 	MMIO_D(GEN6_RP_CUR_UP_EI, D_ALL);
2566 	MMIO_D(GEN6_RP_CUR_UP, D_ALL);
2567 	MMIO_D(GEN6_RP_PREV_UP, D_ALL);
2568 	MMIO_D(GEN6_RP_CUR_DOWN_EI, D_ALL);
2569 	MMIO_D(GEN6_RP_CUR_DOWN, D_ALL);
2570 	MMIO_D(GEN6_RP_PREV_DOWN, D_ALL);
2571 	MMIO_D(GEN6_RP_UP_EI, D_ALL);
2572 	MMIO_D(GEN6_RP_DOWN_EI, D_ALL);
2573 	MMIO_D(GEN6_RP_IDLE_HYSTERSIS, D_ALL);
2574 	MMIO_D(GEN6_RC1_WAKE_RATE_LIMIT, D_ALL);
2575 	MMIO_D(GEN6_RC6_WAKE_RATE_LIMIT, D_ALL);
2576 	MMIO_D(GEN6_RC6pp_WAKE_RATE_LIMIT, D_ALL);
2577 	MMIO_D(GEN6_RC_EVALUATION_INTERVAL, D_ALL);
2578 	MMIO_D(GEN6_RC_IDLE_HYSTERSIS, D_ALL);
2579 	MMIO_D(GEN6_RC_SLEEP, D_ALL);
2580 	MMIO_D(GEN6_RC1e_THRESHOLD, D_ALL);
2581 	MMIO_D(GEN6_RC6_THRESHOLD, D_ALL);
2582 	MMIO_D(GEN6_RC6p_THRESHOLD, D_ALL);
2583 	MMIO_D(GEN6_RC6pp_THRESHOLD, D_ALL);
2584 	MMIO_D(GEN6_PMINTRMSK, D_ALL);
2585 	MMIO_DH(HSW_PWR_WELL_CTL1, D_BDW, NULL, power_well_ctl_mmio_write);
2586 	MMIO_DH(HSW_PWR_WELL_CTL2, D_BDW, NULL, power_well_ctl_mmio_write);
2587 	MMIO_DH(HSW_PWR_WELL_CTL3, D_BDW, NULL, power_well_ctl_mmio_write);
2588 	MMIO_DH(HSW_PWR_WELL_CTL4, D_BDW, NULL, power_well_ctl_mmio_write);
2589 	MMIO_DH(HSW_PWR_WELL_CTL5, D_BDW, NULL, power_well_ctl_mmio_write);
2590 	MMIO_DH(HSW_PWR_WELL_CTL6, D_BDW, NULL, power_well_ctl_mmio_write);
2591 
2592 	MMIO_D(RSTDBYCTL, D_ALL);
2593 
2594 	MMIO_DH(GEN6_GDRST, D_ALL, NULL, gdrst_mmio_write);
2595 	MMIO_F(FENCE_REG_GEN6_LO(0), 0x80, 0, 0, 0, D_ALL, fence_mmio_read, fence_mmio_write);
2596 	MMIO_DH(CPU_VGACNTRL, D_ALL, NULL, vga_control_mmio_write);
2597 
2598 	MMIO_D(TILECTL, D_ALL);
2599 
2600 	MMIO_D(GEN6_UCGCTL1, D_ALL);
2601 	MMIO_D(GEN6_UCGCTL2, D_ALL);
2602 
2603 	MMIO_F(_MMIO(0x4f000), 0x90, 0, 0, 0, D_ALL, NULL, NULL);
2604 
2605 	MMIO_D(GEN6_PCODE_DATA, D_ALL);
2606 	MMIO_D(_MMIO(0x13812c), D_ALL);
2607 	MMIO_DH(GEN7_ERR_INT, D_ALL, NULL, NULL);
2608 	MMIO_D(HSW_EDRAM_CAP, D_ALL);
2609 	MMIO_D(HSW_IDICR, D_ALL);
2610 	MMIO_DH(GFX_FLSH_CNTL_GEN6, D_ALL, NULL, NULL);
2611 
2612 	MMIO_D(_MMIO(0x3c), D_ALL);
2613 	MMIO_D(_MMIO(0x860), D_ALL);
2614 	MMIO_D(ECOSKPD, D_ALL);
2615 	MMIO_D(_MMIO(0x121d0), D_ALL);
2616 	MMIO_D(GEN6_BLITTER_ECOSKPD, D_ALL);
2617 	MMIO_D(_MMIO(0x41d0), D_ALL);
2618 	MMIO_D(GAC_ECO_BITS, D_ALL);
2619 	MMIO_D(_MMIO(0x6200), D_ALL);
2620 	MMIO_D(_MMIO(0x6204), D_ALL);
2621 	MMIO_D(_MMIO(0x6208), D_ALL);
2622 	MMIO_D(_MMIO(0x7118), D_ALL);
2623 	MMIO_D(_MMIO(0x7180), D_ALL);
2624 	MMIO_D(_MMIO(0x7408), D_ALL);
2625 	MMIO_D(_MMIO(0x7c00), D_ALL);
2626 	MMIO_DH(GEN6_MBCTL, D_ALL, NULL, mbctl_write);
2627 	MMIO_D(_MMIO(0x911c), D_ALL);
2628 	MMIO_D(_MMIO(0x9120), D_ALL);
2629 	MMIO_DFH(GEN7_UCGCTL4, D_ALL, F_CMD_ACCESS, NULL, NULL);
2630 
2631 	MMIO_D(GAB_CTL, D_ALL);
2632 	MMIO_D(_MMIO(0x48800), D_ALL);
2633 	MMIO_D(_MMIO(0xce044), D_ALL);
2634 	MMIO_D(_MMIO(0xe6500), D_ALL);
2635 	MMIO_D(_MMIO(0xe6504), D_ALL);
2636 	MMIO_D(_MMIO(0xe6600), D_ALL);
2637 	MMIO_D(_MMIO(0xe6604), D_ALL);
2638 	MMIO_D(_MMIO(0xe6700), D_ALL);
2639 	MMIO_D(_MMIO(0xe6704), D_ALL);
2640 	MMIO_D(_MMIO(0xe6800), D_ALL);
2641 	MMIO_D(_MMIO(0xe6804), D_ALL);
2642 	MMIO_D(PCH_GMBUS4, D_ALL);
2643 	MMIO_D(PCH_GMBUS5, D_ALL);
2644 
2645 	MMIO_D(_MMIO(0x902c), D_ALL);
2646 	MMIO_D(_MMIO(0xec008), D_ALL);
2647 	MMIO_D(_MMIO(0xec00c), D_ALL);
2648 	MMIO_D(_MMIO(0xec008 + 0x18), D_ALL);
2649 	MMIO_D(_MMIO(0xec00c + 0x18), D_ALL);
2650 	MMIO_D(_MMIO(0xec008 + 0x18 * 2), D_ALL);
2651 	MMIO_D(_MMIO(0xec00c + 0x18 * 2), D_ALL);
2652 	MMIO_D(_MMIO(0xec008 + 0x18 * 3), D_ALL);
2653 	MMIO_D(_MMIO(0xec00c + 0x18 * 3), D_ALL);
2654 	MMIO_D(_MMIO(0xec408), D_ALL);
2655 	MMIO_D(_MMIO(0xec40c), D_ALL);
2656 	MMIO_D(_MMIO(0xec408 + 0x18), D_ALL);
2657 	MMIO_D(_MMIO(0xec40c + 0x18), D_ALL);
2658 	MMIO_D(_MMIO(0xec408 + 0x18 * 2), D_ALL);
2659 	MMIO_D(_MMIO(0xec40c + 0x18 * 2), D_ALL);
2660 	MMIO_D(_MMIO(0xec408 + 0x18 * 3), D_ALL);
2661 	MMIO_D(_MMIO(0xec40c + 0x18 * 3), D_ALL);
2662 	MMIO_D(_MMIO(0xfc810), D_ALL);
2663 	MMIO_D(_MMIO(0xfc81c), D_ALL);
2664 	MMIO_D(_MMIO(0xfc828), D_ALL);
2665 	MMIO_D(_MMIO(0xfc834), D_ALL);
2666 	MMIO_D(_MMIO(0xfcc00), D_ALL);
2667 	MMIO_D(_MMIO(0xfcc0c), D_ALL);
2668 	MMIO_D(_MMIO(0xfcc18), D_ALL);
2669 	MMIO_D(_MMIO(0xfcc24), D_ALL);
2670 	MMIO_D(_MMIO(0xfd000), D_ALL);
2671 	MMIO_D(_MMIO(0xfd00c), D_ALL);
2672 	MMIO_D(_MMIO(0xfd018), D_ALL);
2673 	MMIO_D(_MMIO(0xfd024), D_ALL);
2674 	MMIO_D(_MMIO(0xfd034), D_ALL);
2675 
2676 	MMIO_DH(FPGA_DBG, D_ALL, NULL, fpga_dbg_mmio_write);
2677 	MMIO_D(_MMIO(0x2054), D_ALL);
2678 	MMIO_D(_MMIO(0x12054), D_ALL);
2679 	MMIO_D(_MMIO(0x22054), D_ALL);
2680 	MMIO_D(_MMIO(0x1a054), D_ALL);
2681 
2682 	MMIO_D(_MMIO(0x44070), D_ALL);
2683 	MMIO_DFH(_MMIO(0x215c), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2684 	MMIO_DFH(_MMIO(0x2178), D_ALL, F_CMD_ACCESS, NULL, NULL);
2685 	MMIO_DFH(_MMIO(0x217c), D_ALL, F_CMD_ACCESS, NULL, NULL);
2686 	MMIO_DFH(_MMIO(0x12178), D_ALL, F_CMD_ACCESS, NULL, NULL);
2687 	MMIO_DFH(_MMIO(0x1217c), D_ALL, F_CMD_ACCESS, NULL, NULL);
2688 
2689 	MMIO_F(_MMIO(0x2290), 8, F_CMD_ACCESS, 0, 0, D_BDW_PLUS, NULL, NULL);
2690 	MMIO_D(_MMIO(0x2b00), D_BDW_PLUS);
2691 	MMIO_D(_MMIO(0x2360), D_BDW_PLUS);
2692 	MMIO_F(_MMIO(0x5200), 32, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2693 	MMIO_F(_MMIO(0x5240), 32, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2694 	MMIO_F(_MMIO(0x5280), 16, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2695 
2696 	MMIO_DFH(_MMIO(0x1c17c), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2697 	MMIO_DFH(_MMIO(0x1c178), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2698 	MMIO_DFH(BCS_SWCTRL, D_ALL, F_CMD_ACCESS, NULL, NULL);
2699 
2700 	MMIO_F(HS_INVOCATION_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2701 	MMIO_F(DS_INVOCATION_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2702 	MMIO_F(IA_VERTICES_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2703 	MMIO_F(IA_PRIMITIVES_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2704 	MMIO_F(VS_INVOCATION_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2705 	MMIO_F(GS_INVOCATION_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2706 	MMIO_F(GS_PRIMITIVES_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2707 	MMIO_F(CL_INVOCATION_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2708 	MMIO_F(CL_PRIMITIVES_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2709 	MMIO_F(PS_INVOCATION_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2710 	MMIO_F(PS_DEPTH_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2711 	MMIO_DH(_MMIO(0x4260), D_BDW_PLUS, NULL, gvt_reg_tlb_control_handler);
2712 	MMIO_DH(_MMIO(0x4264), D_BDW_PLUS, NULL, gvt_reg_tlb_control_handler);
2713 	MMIO_DH(_MMIO(0x4268), D_BDW_PLUS, NULL, gvt_reg_tlb_control_handler);
2714 	MMIO_DH(_MMIO(0x426c), D_BDW_PLUS, NULL, gvt_reg_tlb_control_handler);
2715 	MMIO_DH(_MMIO(0x4270), D_BDW_PLUS, NULL, gvt_reg_tlb_control_handler);
2716 	MMIO_DFH(_MMIO(0x4094), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2717 
2718 	MMIO_DFH(ARB_MODE, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
2719 	MMIO_RING_GM(RING_BBADDR, D_ALL, NULL, NULL);
2720 	MMIO_DFH(_MMIO(0x2220), D_ALL, F_CMD_ACCESS, NULL, NULL);
2721 	MMIO_DFH(_MMIO(0x12220), D_ALL, F_CMD_ACCESS, NULL, NULL);
2722 	MMIO_DFH(_MMIO(0x22220), D_ALL, F_CMD_ACCESS, NULL, NULL);
2723 	MMIO_RING_DFH(RING_SYNC_1, D_ALL, F_CMD_ACCESS, NULL, NULL);
2724 	MMIO_RING_DFH(RING_SYNC_0, D_ALL, F_CMD_ACCESS, NULL, NULL);
2725 	MMIO_DFH(_MMIO(0x22178), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2726 	MMIO_DFH(_MMIO(0x1a178), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2727 	MMIO_DFH(_MMIO(0x1a17c), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2728 	MMIO_DFH(_MMIO(0x2217c), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2729 
2730 	MMIO_DH(EDP_PSR_IMR, D_BDW_PLUS, NULL, edp_psr_imr_iir_write);
2731 	MMIO_DH(EDP_PSR_IIR, D_BDW_PLUS, NULL, edp_psr_imr_iir_write);
2732 	MMIO_DH(GUC_STATUS, D_ALL, guc_status_read, NULL);
2733 
2734 	return 0;
2735 }
2736 
2737 static int init_bdw_mmio_info(struct intel_gvt *gvt)
2738 {
2739 	struct drm_i915_private *dev_priv = gvt->gt->i915;
2740 	int ret;
2741 
2742 	MMIO_DH(GEN8_GT_IMR(0), D_BDW_PLUS, NULL, intel_vgpu_reg_imr_handler);
2743 	MMIO_DH(GEN8_GT_IER(0), D_BDW_PLUS, NULL, intel_vgpu_reg_ier_handler);
2744 	MMIO_DH(GEN8_GT_IIR(0), D_BDW_PLUS, NULL, intel_vgpu_reg_iir_handler);
2745 	MMIO_D(GEN8_GT_ISR(0), D_BDW_PLUS);
2746 
2747 	MMIO_DH(GEN8_GT_IMR(1), D_BDW_PLUS, NULL, intel_vgpu_reg_imr_handler);
2748 	MMIO_DH(GEN8_GT_IER(1), D_BDW_PLUS, NULL, intel_vgpu_reg_ier_handler);
2749 	MMIO_DH(GEN8_GT_IIR(1), D_BDW_PLUS, NULL, intel_vgpu_reg_iir_handler);
2750 	MMIO_D(GEN8_GT_ISR(1), D_BDW_PLUS);
2751 
2752 	MMIO_DH(GEN8_GT_IMR(2), D_BDW_PLUS, NULL, intel_vgpu_reg_imr_handler);
2753 	MMIO_DH(GEN8_GT_IER(2), D_BDW_PLUS, NULL, intel_vgpu_reg_ier_handler);
2754 	MMIO_DH(GEN8_GT_IIR(2), D_BDW_PLUS, NULL, intel_vgpu_reg_iir_handler);
2755 	MMIO_D(GEN8_GT_ISR(2), D_BDW_PLUS);
2756 
2757 	MMIO_DH(GEN8_GT_IMR(3), D_BDW_PLUS, NULL, intel_vgpu_reg_imr_handler);
2758 	MMIO_DH(GEN8_GT_IER(3), D_BDW_PLUS, NULL, intel_vgpu_reg_ier_handler);
2759 	MMIO_DH(GEN8_GT_IIR(3), D_BDW_PLUS, NULL, intel_vgpu_reg_iir_handler);
2760 	MMIO_D(GEN8_GT_ISR(3), D_BDW_PLUS);
2761 
2762 	MMIO_DH(GEN8_DE_PIPE_IMR(PIPE_A), D_BDW_PLUS, NULL,
2763 		intel_vgpu_reg_imr_handler);
2764 	MMIO_DH(GEN8_DE_PIPE_IER(PIPE_A), D_BDW_PLUS, NULL,
2765 		intel_vgpu_reg_ier_handler);
2766 	MMIO_DH(GEN8_DE_PIPE_IIR(PIPE_A), D_BDW_PLUS, NULL,
2767 		intel_vgpu_reg_iir_handler);
2768 	MMIO_D(GEN8_DE_PIPE_ISR(PIPE_A), D_BDW_PLUS);
2769 
2770 	MMIO_DH(GEN8_DE_PIPE_IMR(PIPE_B), D_BDW_PLUS, NULL,
2771 		intel_vgpu_reg_imr_handler);
2772 	MMIO_DH(GEN8_DE_PIPE_IER(PIPE_B), D_BDW_PLUS, NULL,
2773 		intel_vgpu_reg_ier_handler);
2774 	MMIO_DH(GEN8_DE_PIPE_IIR(PIPE_B), D_BDW_PLUS, NULL,
2775 		intel_vgpu_reg_iir_handler);
2776 	MMIO_D(GEN8_DE_PIPE_ISR(PIPE_B), D_BDW_PLUS);
2777 
2778 	MMIO_DH(GEN8_DE_PIPE_IMR(PIPE_C), D_BDW_PLUS, NULL,
2779 		intel_vgpu_reg_imr_handler);
2780 	MMIO_DH(GEN8_DE_PIPE_IER(PIPE_C), D_BDW_PLUS, NULL,
2781 		intel_vgpu_reg_ier_handler);
2782 	MMIO_DH(GEN8_DE_PIPE_IIR(PIPE_C), D_BDW_PLUS, NULL,
2783 		intel_vgpu_reg_iir_handler);
2784 	MMIO_D(GEN8_DE_PIPE_ISR(PIPE_C), D_BDW_PLUS);
2785 
2786 	MMIO_DH(GEN8_DE_PORT_IMR, D_BDW_PLUS, NULL, intel_vgpu_reg_imr_handler);
2787 	MMIO_DH(GEN8_DE_PORT_IER, D_BDW_PLUS, NULL, intel_vgpu_reg_ier_handler);
2788 	MMIO_DH(GEN8_DE_PORT_IIR, D_BDW_PLUS, NULL, intel_vgpu_reg_iir_handler);
2789 	MMIO_D(GEN8_DE_PORT_ISR, D_BDW_PLUS);
2790 
2791 	MMIO_DH(GEN8_DE_MISC_IMR, D_BDW_PLUS, NULL, intel_vgpu_reg_imr_handler);
2792 	MMIO_DH(GEN8_DE_MISC_IER, D_BDW_PLUS, NULL, intel_vgpu_reg_ier_handler);
2793 	MMIO_DH(GEN8_DE_MISC_IIR, D_BDW_PLUS, NULL, intel_vgpu_reg_iir_handler);
2794 	MMIO_D(GEN8_DE_MISC_ISR, D_BDW_PLUS);
2795 
2796 	MMIO_DH(GEN8_PCU_IMR, D_BDW_PLUS, NULL, intel_vgpu_reg_imr_handler);
2797 	MMIO_DH(GEN8_PCU_IER, D_BDW_PLUS, NULL, intel_vgpu_reg_ier_handler);
2798 	MMIO_DH(GEN8_PCU_IIR, D_BDW_PLUS, NULL, intel_vgpu_reg_iir_handler);
2799 	MMIO_D(GEN8_PCU_ISR, D_BDW_PLUS);
2800 
2801 	MMIO_DH(GEN8_MASTER_IRQ, D_BDW_PLUS, NULL,
2802 		intel_vgpu_reg_master_irq_handler);
2803 
2804 	MMIO_RING_DFH(RING_ACTHD_UDW, D_BDW_PLUS, 0,
2805 		mmio_read_from_hw, NULL);
2806 
2807 #define RING_REG(base) _MMIO((base) + 0xd0)
2808 	MMIO_RING_F(RING_REG, 4, F_RO, 0,
2809 		~_MASKED_BIT_ENABLE(RESET_CTL_REQUEST_RESET), D_BDW_PLUS, NULL,
2810 		ring_reset_ctl_write);
2811 #undef RING_REG
2812 
2813 #define RING_REG(base) _MMIO((base) + 0x230)
2814 	MMIO_RING_DFH(RING_REG, D_BDW_PLUS, 0, NULL, elsp_mmio_write);
2815 #undef RING_REG
2816 
2817 #define RING_REG(base) _MMIO((base) + 0x234)
2818 	MMIO_RING_F(RING_REG, 8, F_RO, 0, ~0, D_BDW_PLUS,
2819 		NULL, NULL);
2820 #undef RING_REG
2821 
2822 #define RING_REG(base) _MMIO((base) + 0x244)
2823 	MMIO_RING_DFH(RING_REG, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2824 #undef RING_REG
2825 
2826 #define RING_REG(base) _MMIO((base) + 0x370)
2827 	MMIO_RING_F(RING_REG, 48, F_RO, 0, ~0, D_BDW_PLUS, NULL, NULL);
2828 #undef RING_REG
2829 
2830 #define RING_REG(base) _MMIO((base) + 0x3a0)
2831 	MMIO_RING_DFH(RING_REG, D_BDW_PLUS, F_MODE_MASK, NULL, NULL);
2832 #undef RING_REG
2833 
2834 	MMIO_D(PIPEMISC(PIPE_A), D_BDW_PLUS);
2835 	MMIO_D(PIPEMISC(PIPE_B), D_BDW_PLUS);
2836 	MMIO_D(PIPEMISC(PIPE_C), D_BDW_PLUS);
2837 	MMIO_D(_MMIO(0x1c1d0), D_BDW_PLUS);
2838 	MMIO_D(GEN6_MBCUNIT_SNPCR, D_BDW_PLUS);
2839 	MMIO_D(GEN7_MISCCPCTL, D_BDW_PLUS);
2840 	MMIO_D(_MMIO(0x1c054), D_BDW_PLUS);
2841 
2842 	MMIO_DH(GEN6_PCODE_MAILBOX, D_BDW_PLUS, NULL, mailbox_write);
2843 
2844 	MMIO_D(GEN8_PRIVATE_PAT_LO, D_BDW_PLUS & ~D_BXT);
2845 	MMIO_D(GEN8_PRIVATE_PAT_HI, D_BDW_PLUS);
2846 
2847 	MMIO_D(GAMTARBMODE, D_BDW_PLUS);
2848 
2849 #define RING_REG(base) _MMIO((base) + 0x270)
2850 	MMIO_RING_F(RING_REG, 32, F_CMD_ACCESS, 0, 0, D_BDW_PLUS, NULL, NULL);
2851 #undef RING_REG
2852 
2853 	MMIO_RING_GM(RING_HWS_PGA, D_BDW_PLUS, NULL, hws_pga_write);
2854 
2855 	MMIO_DFH(HDC_CHICKEN0, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
2856 
2857 	MMIO_D(CHICKEN_PIPESL_1(PIPE_A), D_BDW_PLUS);
2858 	MMIO_D(CHICKEN_PIPESL_1(PIPE_B), D_BDW_PLUS);
2859 	MMIO_D(CHICKEN_PIPESL_1(PIPE_C), D_BDW_PLUS);
2860 
2861 	MMIO_D(WM_MISC, D_BDW);
2862 	MMIO_D(_MMIO(_SRD_CTL_EDP), D_BDW);
2863 
2864 	MMIO_D(_MMIO(0x6671c), D_BDW_PLUS);
2865 	MMIO_D(_MMIO(0x66c00), D_BDW_PLUS);
2866 	MMIO_D(_MMIO(0x66c04), D_BDW_PLUS);
2867 
2868 	MMIO_D(HSW_GTT_CACHE_EN, D_BDW_PLUS);
2869 
2870 	MMIO_D(GEN8_EU_DISABLE0, D_BDW_PLUS);
2871 	MMIO_D(GEN8_EU_DISABLE1, D_BDW_PLUS);
2872 	MMIO_D(GEN8_EU_DISABLE2, D_BDW_PLUS);
2873 
2874 	MMIO_D(_MMIO(0xfdc), D_BDW_PLUS);
2875 	MMIO_DFH(GEN8_ROW_CHICKEN, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS,
2876 		NULL, NULL);
2877 	MMIO_DFH(GEN7_ROW_CHICKEN2, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS,
2878 		NULL, NULL);
2879 	MMIO_DFH(GEN8_UCGCTL6, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2880 
2881 	MMIO_DFH(_MMIO(0xb1f0), D_BDW, F_CMD_ACCESS, NULL, NULL);
2882 	MMIO_DFH(_MMIO(0xb1c0), D_BDW, F_CMD_ACCESS, NULL, NULL);
2883 	MMIO_DFH(GEN8_L3SQCREG4, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2884 	MMIO_DFH(_MMIO(0xb100), D_BDW, F_CMD_ACCESS, NULL, NULL);
2885 	MMIO_DFH(_MMIO(0xb10c), D_BDW, F_CMD_ACCESS, NULL, NULL);
2886 	MMIO_D(_MMIO(0xb110), D_BDW);
2887 
2888 	MMIO_F(_MMIO(0x24d0), 48, F_CMD_ACCESS, 0, 0, D_BDW_PLUS,
2889 		NULL, force_nonpriv_write);
2890 
2891 	MMIO_D(_MMIO(0x44484), D_BDW_PLUS);
2892 	MMIO_D(_MMIO(0x4448c), D_BDW_PLUS);
2893 
2894 	MMIO_DFH(_MMIO(0x83a4), D_BDW, F_CMD_ACCESS, NULL, NULL);
2895 	MMIO_D(GEN8_L3_LRA_1_GPGPU, D_BDW_PLUS);
2896 
2897 	MMIO_DFH(_MMIO(0x8430), D_BDW, F_CMD_ACCESS, NULL, NULL);
2898 
2899 	MMIO_D(_MMIO(0x110000), D_BDW_PLUS);
2900 
2901 	MMIO_D(_MMIO(0x48400), D_BDW_PLUS);
2902 
2903 	MMIO_D(_MMIO(0x6e570), D_BDW_PLUS);
2904 	MMIO_D(_MMIO(0x65f10), D_BDW_PLUS);
2905 
2906 	MMIO_DFH(_MMIO(0xe194), D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
2907 	MMIO_DFH(_MMIO(0xe188), D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
2908 	MMIO_DFH(HALF_SLICE_CHICKEN2, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
2909 	MMIO_DFH(_MMIO(0x2580), D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
2910 
2911 	MMIO_DFH(_MMIO(0x2248), D_BDW, F_CMD_ACCESS, NULL, NULL);
2912 
2913 	MMIO_DFH(_MMIO(0xe220), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2914 	MMIO_DFH(_MMIO(0xe230), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2915 	MMIO_DFH(_MMIO(0xe240), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2916 	MMIO_DFH(_MMIO(0xe260), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2917 	MMIO_DFH(_MMIO(0xe270), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2918 	MMIO_DFH(_MMIO(0xe280), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2919 	MMIO_DFH(_MMIO(0xe2a0), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2920 	MMIO_DFH(_MMIO(0xe2b0), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2921 	MMIO_DFH(_MMIO(0xe2c0), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2922 	MMIO_DFH(_MMIO(0x21f0), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2923 	return 0;
2924 }
2925 
2926 static int init_skl_mmio_info(struct intel_gvt *gvt)
2927 {
2928 	struct drm_i915_private *dev_priv = gvt->gt->i915;
2929 	int ret;
2930 
2931 	MMIO_DH(FORCEWAKE_RENDER_GEN9, D_SKL_PLUS, NULL, mul_force_wake_write);
2932 	MMIO_DH(FORCEWAKE_ACK_RENDER_GEN9, D_SKL_PLUS, NULL, NULL);
2933 	MMIO_DH(FORCEWAKE_GT_GEN9, D_SKL_PLUS, NULL, mul_force_wake_write);
2934 	MMIO_DH(FORCEWAKE_ACK_GT_GEN9, D_SKL_PLUS, NULL, NULL);
2935 	MMIO_DH(FORCEWAKE_MEDIA_GEN9, D_SKL_PLUS, NULL, mul_force_wake_write);
2936 	MMIO_DH(FORCEWAKE_ACK_MEDIA_GEN9, D_SKL_PLUS, NULL, NULL);
2937 
2938 	MMIO_F(DP_AUX_CH_CTL(AUX_CH_B), 6 * 4, 0, 0, 0, D_SKL_PLUS, NULL,
2939 						dp_aux_ch_ctl_mmio_write);
2940 	MMIO_F(DP_AUX_CH_CTL(AUX_CH_C), 6 * 4, 0, 0, 0, D_SKL_PLUS, NULL,
2941 						dp_aux_ch_ctl_mmio_write);
2942 	MMIO_F(DP_AUX_CH_CTL(AUX_CH_D), 6 * 4, 0, 0, 0, D_SKL_PLUS, NULL,
2943 						dp_aux_ch_ctl_mmio_write);
2944 
2945 	MMIO_D(HSW_PWR_WELL_CTL1, D_SKL_PLUS);
2946 	MMIO_DH(HSW_PWR_WELL_CTL2, D_SKL_PLUS, NULL, skl_power_well_ctl_write);
2947 
2948 	MMIO_DH(DBUF_CTL_S(0), D_SKL_PLUS, NULL, gen9_dbuf_ctl_mmio_write);
2949 
2950 	MMIO_D(GEN9_PG_ENABLE, D_SKL_PLUS);
2951 	MMIO_D(GEN9_MEDIA_PG_IDLE_HYSTERESIS, D_SKL_PLUS);
2952 	MMIO_D(GEN9_RENDER_PG_IDLE_HYSTERESIS, D_SKL_PLUS);
2953 	MMIO_DFH(GEN9_GAMT_ECO_REG_RW_IA, D_SKL_PLUS, F_CMD_ACCESS, NULL, NULL);
2954 	MMIO_DFH(MMCD_MISC_CTRL, D_SKL_PLUS, F_CMD_ACCESS, NULL, NULL);
2955 	MMIO_DH(CHICKEN_PAR1_1, D_SKL_PLUS, NULL, NULL);
2956 	MMIO_D(DC_STATE_EN, D_SKL_PLUS);
2957 	MMIO_D(DC_STATE_DEBUG, D_SKL_PLUS);
2958 	MMIO_D(CDCLK_CTL, D_SKL_PLUS);
2959 	MMIO_DH(LCPLL1_CTL, D_SKL_PLUS, NULL, skl_lcpll_write);
2960 	MMIO_DH(LCPLL2_CTL, D_SKL_PLUS, NULL, skl_lcpll_write);
2961 	MMIO_D(_MMIO(_DPLL1_CFGCR1), D_SKL_PLUS);
2962 	MMIO_D(_MMIO(_DPLL2_CFGCR1), D_SKL_PLUS);
2963 	MMIO_D(_MMIO(_DPLL3_CFGCR1), D_SKL_PLUS);
2964 	MMIO_D(_MMIO(_DPLL1_CFGCR2), D_SKL_PLUS);
2965 	MMIO_D(_MMIO(_DPLL2_CFGCR2), D_SKL_PLUS);
2966 	MMIO_D(_MMIO(_DPLL3_CFGCR2), D_SKL_PLUS);
2967 	MMIO_D(DPLL_CTRL1, D_SKL_PLUS);
2968 	MMIO_D(DPLL_CTRL2, D_SKL_PLUS);
2969 	MMIO_DH(DPLL_STATUS, D_SKL_PLUS, dpll_status_read, NULL);
2970 
2971 	MMIO_DH(SKL_PS_WIN_POS(PIPE_A, 0), D_SKL_PLUS, NULL, pf_write);
2972 	MMIO_DH(SKL_PS_WIN_POS(PIPE_A, 1), D_SKL_PLUS, NULL, pf_write);
2973 	MMIO_DH(SKL_PS_WIN_POS(PIPE_B, 0), D_SKL_PLUS, NULL, pf_write);
2974 	MMIO_DH(SKL_PS_WIN_POS(PIPE_B, 1), D_SKL_PLUS, NULL, pf_write);
2975 	MMIO_DH(SKL_PS_WIN_POS(PIPE_C, 0), D_SKL_PLUS, NULL, pf_write);
2976 	MMIO_DH(SKL_PS_WIN_POS(PIPE_C, 1), D_SKL_PLUS, NULL, pf_write);
2977 
2978 	MMIO_DH(SKL_PS_WIN_SZ(PIPE_A, 0), D_SKL_PLUS, NULL, pf_write);
2979 	MMIO_DH(SKL_PS_WIN_SZ(PIPE_A, 1), D_SKL_PLUS, NULL, pf_write);
2980 	MMIO_DH(SKL_PS_WIN_SZ(PIPE_B, 0), D_SKL_PLUS, NULL, pf_write);
2981 	MMIO_DH(SKL_PS_WIN_SZ(PIPE_B, 1), D_SKL_PLUS, NULL, pf_write);
2982 	MMIO_DH(SKL_PS_WIN_SZ(PIPE_C, 0), D_SKL_PLUS, NULL, pf_write);
2983 	MMIO_DH(SKL_PS_WIN_SZ(PIPE_C, 1), D_SKL_PLUS, NULL, pf_write);
2984 
2985 	MMIO_DH(SKL_PS_CTRL(PIPE_A, 0), D_SKL_PLUS, NULL, pf_write);
2986 	MMIO_DH(SKL_PS_CTRL(PIPE_A, 1), D_SKL_PLUS, NULL, pf_write);
2987 	MMIO_DH(SKL_PS_CTRL(PIPE_B, 0), D_SKL_PLUS, NULL, pf_write);
2988 	MMIO_DH(SKL_PS_CTRL(PIPE_B, 1), D_SKL_PLUS, NULL, pf_write);
2989 	MMIO_DH(SKL_PS_CTRL(PIPE_C, 0), D_SKL_PLUS, NULL, pf_write);
2990 	MMIO_DH(SKL_PS_CTRL(PIPE_C, 1), D_SKL_PLUS, NULL, pf_write);
2991 
2992 	MMIO_DH(PLANE_BUF_CFG(PIPE_A, 0), D_SKL_PLUS, NULL, NULL);
2993 	MMIO_DH(PLANE_BUF_CFG(PIPE_A, 1), D_SKL_PLUS, NULL, NULL);
2994 	MMIO_DH(PLANE_BUF_CFG(PIPE_A, 2), D_SKL_PLUS, NULL, NULL);
2995 	MMIO_DH(PLANE_BUF_CFG(PIPE_A, 3), D_SKL_PLUS, NULL, NULL);
2996 
2997 	MMIO_DH(PLANE_BUF_CFG(PIPE_B, 0), D_SKL_PLUS, NULL, NULL);
2998 	MMIO_DH(PLANE_BUF_CFG(PIPE_B, 1), D_SKL_PLUS, NULL, NULL);
2999 	MMIO_DH(PLANE_BUF_CFG(PIPE_B, 2), D_SKL_PLUS, NULL, NULL);
3000 	MMIO_DH(PLANE_BUF_CFG(PIPE_B, 3), D_SKL_PLUS, NULL, NULL);
3001 
3002 	MMIO_DH(PLANE_BUF_CFG(PIPE_C, 0), D_SKL_PLUS, NULL, NULL);
3003 	MMIO_DH(PLANE_BUF_CFG(PIPE_C, 1), D_SKL_PLUS, NULL, NULL);
3004 	MMIO_DH(PLANE_BUF_CFG(PIPE_C, 2), D_SKL_PLUS, NULL, NULL);
3005 	MMIO_DH(PLANE_BUF_CFG(PIPE_C, 3), D_SKL_PLUS, NULL, NULL);
3006 
3007 	MMIO_DH(CUR_BUF_CFG(PIPE_A), D_SKL_PLUS, NULL, NULL);
3008 	MMIO_DH(CUR_BUF_CFG(PIPE_B), D_SKL_PLUS, NULL, NULL);
3009 	MMIO_DH(CUR_BUF_CFG(PIPE_C), D_SKL_PLUS, NULL, NULL);
3010 
3011 	MMIO_F(PLANE_WM(PIPE_A, 0, 0), 4 * 8, 0, 0, 0, D_SKL_PLUS, NULL, NULL);
3012 	MMIO_F(PLANE_WM(PIPE_A, 1, 0), 4 * 8, 0, 0, 0, D_SKL_PLUS, NULL, NULL);
3013 	MMIO_F(PLANE_WM(PIPE_A, 2, 0), 4 * 8, 0, 0, 0, D_SKL_PLUS, NULL, NULL);
3014 
3015 	MMIO_F(PLANE_WM(PIPE_B, 0, 0), 4 * 8, 0, 0, 0, D_SKL_PLUS, NULL, NULL);
3016 	MMIO_F(PLANE_WM(PIPE_B, 1, 0), 4 * 8, 0, 0, 0, D_SKL_PLUS, NULL, NULL);
3017 	MMIO_F(PLANE_WM(PIPE_B, 2, 0), 4 * 8, 0, 0, 0, D_SKL_PLUS, NULL, NULL);
3018 
3019 	MMIO_F(PLANE_WM(PIPE_C, 0, 0), 4 * 8, 0, 0, 0, D_SKL_PLUS, NULL, NULL);
3020 	MMIO_F(PLANE_WM(PIPE_C, 1, 0), 4 * 8, 0, 0, 0, D_SKL_PLUS, NULL, NULL);
3021 	MMIO_F(PLANE_WM(PIPE_C, 2, 0), 4 * 8, 0, 0, 0, D_SKL_PLUS, NULL, NULL);
3022 
3023 	MMIO_F(CUR_WM(PIPE_A, 0), 4 * 8, 0, 0, 0, D_SKL_PLUS, NULL, NULL);
3024 	MMIO_F(CUR_WM(PIPE_B, 0), 4 * 8, 0, 0, 0, D_SKL_PLUS, NULL, NULL);
3025 	MMIO_F(CUR_WM(PIPE_C, 0), 4 * 8, 0, 0, 0, D_SKL_PLUS, NULL, NULL);
3026 
3027 	MMIO_DH(PLANE_WM_TRANS(PIPE_A, 0), D_SKL_PLUS, NULL, NULL);
3028 	MMIO_DH(PLANE_WM_TRANS(PIPE_A, 1), D_SKL_PLUS, NULL, NULL);
3029 	MMIO_DH(PLANE_WM_TRANS(PIPE_A, 2), D_SKL_PLUS, NULL, NULL);
3030 
3031 	MMIO_DH(PLANE_WM_TRANS(PIPE_B, 0), D_SKL_PLUS, NULL, NULL);
3032 	MMIO_DH(PLANE_WM_TRANS(PIPE_B, 1), D_SKL_PLUS, NULL, NULL);
3033 	MMIO_DH(PLANE_WM_TRANS(PIPE_B, 2), D_SKL_PLUS, NULL, NULL);
3034 
3035 	MMIO_DH(PLANE_WM_TRANS(PIPE_C, 0), D_SKL_PLUS, NULL, NULL);
3036 	MMIO_DH(PLANE_WM_TRANS(PIPE_C, 1), D_SKL_PLUS, NULL, NULL);
3037 	MMIO_DH(PLANE_WM_TRANS(PIPE_C, 2), D_SKL_PLUS, NULL, NULL);
3038 
3039 	MMIO_DH(CUR_WM_TRANS(PIPE_A), D_SKL_PLUS, NULL, NULL);
3040 	MMIO_DH(CUR_WM_TRANS(PIPE_B), D_SKL_PLUS, NULL, NULL);
3041 	MMIO_DH(CUR_WM_TRANS(PIPE_C), D_SKL_PLUS, NULL, NULL);
3042 
3043 	MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_A, 0), D_SKL_PLUS, NULL, NULL);
3044 	MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_A, 1), D_SKL_PLUS, NULL, NULL);
3045 	MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_A, 2), D_SKL_PLUS, NULL, NULL);
3046 	MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_A, 3), D_SKL_PLUS, NULL, NULL);
3047 
3048 	MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_B, 0), D_SKL_PLUS, NULL, NULL);
3049 	MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_B, 1), D_SKL_PLUS, NULL, NULL);
3050 	MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_B, 2), D_SKL_PLUS, NULL, NULL);
3051 	MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_B, 3), D_SKL_PLUS, NULL, NULL);
3052 
3053 	MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_C, 0), D_SKL_PLUS, NULL, NULL);
3054 	MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_C, 1), D_SKL_PLUS, NULL, NULL);
3055 	MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_C, 2), D_SKL_PLUS, NULL, NULL);
3056 	MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_C, 3), D_SKL_PLUS, NULL, NULL);
3057 
3058 	MMIO_DH(_MMIO(_REG_701C0(PIPE_A, 1)), D_SKL_PLUS, NULL, NULL);
3059 	MMIO_DH(_MMIO(_REG_701C0(PIPE_A, 2)), D_SKL_PLUS, NULL, NULL);
3060 	MMIO_DH(_MMIO(_REG_701C0(PIPE_A, 3)), D_SKL_PLUS, NULL, NULL);
3061 	MMIO_DH(_MMIO(_REG_701C0(PIPE_A, 4)), D_SKL_PLUS, NULL, NULL);
3062 
3063 	MMIO_DH(_MMIO(_REG_701C0(PIPE_B, 1)), D_SKL_PLUS, NULL, NULL);
3064 	MMIO_DH(_MMIO(_REG_701C0(PIPE_B, 2)), D_SKL_PLUS, NULL, NULL);
3065 	MMIO_DH(_MMIO(_REG_701C0(PIPE_B, 3)), D_SKL_PLUS, NULL, NULL);
3066 	MMIO_DH(_MMIO(_REG_701C0(PIPE_B, 4)), D_SKL_PLUS, NULL, NULL);
3067 
3068 	MMIO_DH(_MMIO(_REG_701C0(PIPE_C, 1)), D_SKL_PLUS, NULL, NULL);
3069 	MMIO_DH(_MMIO(_REG_701C0(PIPE_C, 2)), D_SKL_PLUS, NULL, NULL);
3070 	MMIO_DH(_MMIO(_REG_701C0(PIPE_C, 3)), D_SKL_PLUS, NULL, NULL);
3071 	MMIO_DH(_MMIO(_REG_701C0(PIPE_C, 4)), D_SKL_PLUS, NULL, NULL);
3072 
3073 	MMIO_DH(_MMIO(_REG_701C4(PIPE_A, 1)), D_SKL_PLUS, NULL, NULL);
3074 	MMIO_DH(_MMIO(_REG_701C4(PIPE_A, 2)), D_SKL_PLUS, NULL, NULL);
3075 	MMIO_DH(_MMIO(_REG_701C4(PIPE_A, 3)), D_SKL_PLUS, NULL, NULL);
3076 	MMIO_DH(_MMIO(_REG_701C4(PIPE_A, 4)), D_SKL_PLUS, NULL, NULL);
3077 
3078 	MMIO_DH(_MMIO(_REG_701C4(PIPE_B, 1)), D_SKL_PLUS, NULL, NULL);
3079 	MMIO_DH(_MMIO(_REG_701C4(PIPE_B, 2)), D_SKL_PLUS, NULL, NULL);
3080 	MMIO_DH(_MMIO(_REG_701C4(PIPE_B, 3)), D_SKL_PLUS, NULL, NULL);
3081 	MMIO_DH(_MMIO(_REG_701C4(PIPE_B, 4)), D_SKL_PLUS, NULL, NULL);
3082 
3083 	MMIO_DH(_MMIO(_REG_701C4(PIPE_C, 1)), D_SKL_PLUS, NULL, NULL);
3084 	MMIO_DH(_MMIO(_REG_701C4(PIPE_C, 2)), D_SKL_PLUS, NULL, NULL);
3085 	MMIO_DH(_MMIO(_REG_701C4(PIPE_C, 3)), D_SKL_PLUS, NULL, NULL);
3086 	MMIO_DH(_MMIO(_REG_701C4(PIPE_C, 4)), D_SKL_PLUS, NULL, NULL);
3087 
3088 	MMIO_D(_MMIO(_PLANE_CTL_3_A), D_SKL_PLUS);
3089 	MMIO_D(_MMIO(_PLANE_CTL_3_B), D_SKL_PLUS);
3090 	MMIO_D(_MMIO(0x72380), D_SKL_PLUS);
3091 	MMIO_D(_MMIO(0x7239c), D_SKL_PLUS);
3092 	MMIO_D(_MMIO(_PLANE_SURF_3_A), D_SKL_PLUS);
3093 	MMIO_D(_MMIO(_PLANE_SURF_3_B), D_SKL_PLUS);
3094 
3095 	MMIO_D(CSR_SSP_BASE, D_SKL_PLUS);
3096 	MMIO_D(CSR_HTP_SKL, D_SKL_PLUS);
3097 	MMIO_D(CSR_LAST_WRITE, D_SKL_PLUS);
3098 
3099 	MMIO_DFH(BDW_SCRATCH1, D_SKL_PLUS, F_CMD_ACCESS, NULL, NULL);
3100 
3101 	MMIO_D(SKL_DFSM, D_SKL_PLUS);
3102 	MMIO_D(DISPIO_CR_TX_BMU_CR0, D_SKL_PLUS);
3103 
3104 	MMIO_F(GEN9_GFX_MOCS(0), 0x7f8, F_CMD_ACCESS, 0, 0, D_SKL_PLUS,
3105 		NULL, NULL);
3106 	MMIO_F(GEN7_L3CNTLREG2, 0x80, F_CMD_ACCESS, 0, 0, D_SKL_PLUS,
3107 		NULL, NULL);
3108 
3109 	MMIO_D(RPM_CONFIG0, D_SKL_PLUS);
3110 	MMIO_D(_MMIO(0xd08), D_SKL_PLUS);
3111 	MMIO_D(RC6_LOCATION, D_SKL_PLUS);
3112 	MMIO_DFH(GEN7_FF_SLICE_CS_CHICKEN1, D_SKL_PLUS,
3113 		 F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
3114 	MMIO_DFH(GEN9_CS_DEBUG_MODE1, D_SKL_PLUS, F_MODE_MASK | F_CMD_ACCESS,
3115 		NULL, NULL);
3116 
3117 	/* TRTT */
3118 	MMIO_DFH(TRVATTL3PTRDW(0), D_SKL_PLUS, F_CMD_ACCESS, NULL, NULL);
3119 	MMIO_DFH(TRVATTL3PTRDW(1), D_SKL_PLUS, F_CMD_ACCESS, NULL, NULL);
3120 	MMIO_DFH(TRVATTL3PTRDW(2), D_SKL_PLUS, F_CMD_ACCESS, NULL, NULL);
3121 	MMIO_DFH(TRVATTL3PTRDW(3), D_SKL_PLUS, F_CMD_ACCESS, NULL, NULL);
3122 	MMIO_DFH(TRVADR, D_SKL_PLUS, F_CMD_ACCESS, NULL, NULL);
3123 	MMIO_DFH(TRTTE, D_SKL_PLUS, F_CMD_ACCESS | F_PM_SAVE,
3124 		 NULL, gen9_trtte_write);
3125 	MMIO_DFH(_MMIO(0x4dfc), D_SKL_PLUS, F_PM_SAVE,
3126 		 NULL, gen9_trtt_chicken_write);
3127 
3128 	MMIO_D(_MMIO(0x46430), D_SKL_PLUS);
3129 
3130 	MMIO_D(_MMIO(0x46520), D_SKL_PLUS);
3131 
3132 	MMIO_D(_MMIO(0xc403c), D_SKL_PLUS);
3133 	MMIO_DFH(GEN8_GARBCNTL, D_SKL_PLUS, F_CMD_ACCESS, NULL, NULL);
3134 	MMIO_DH(DMA_CTRL, D_SKL_PLUS, NULL, dma_ctrl_write);
3135 
3136 	MMIO_D(_MMIO(0x65900), D_SKL_PLUS);
3137 	MMIO_D(GEN6_STOLEN_RESERVED, D_SKL_PLUS);
3138 	MMIO_D(_MMIO(0x4068), D_SKL_PLUS);
3139 	MMIO_D(_MMIO(0x67054), D_SKL_PLUS);
3140 	MMIO_D(_MMIO(0x6e560), D_SKL_PLUS);
3141 	MMIO_D(_MMIO(0x6e554), D_SKL_PLUS);
3142 	MMIO_D(_MMIO(0x2b20), D_SKL_PLUS);
3143 	MMIO_D(_MMIO(0x65f00), D_SKL_PLUS);
3144 	MMIO_D(_MMIO(0x65f08), D_SKL_PLUS);
3145 	MMIO_D(_MMIO(0x320f0), D_SKL_PLUS);
3146 
3147 	MMIO_D(_MMIO(0x70034), D_SKL_PLUS);
3148 	MMIO_D(_MMIO(0x71034), D_SKL_PLUS);
3149 	MMIO_D(_MMIO(0x72034), D_SKL_PLUS);
3150 
3151 	MMIO_D(_MMIO(_PLANE_KEYVAL_1(PIPE_A)), D_SKL_PLUS);
3152 	MMIO_D(_MMIO(_PLANE_KEYVAL_1(PIPE_B)), D_SKL_PLUS);
3153 	MMIO_D(_MMIO(_PLANE_KEYVAL_1(PIPE_C)), D_SKL_PLUS);
3154 	MMIO_D(_MMIO(_PLANE_KEYMAX_1(PIPE_A)), D_SKL_PLUS);
3155 	MMIO_D(_MMIO(_PLANE_KEYMAX_1(PIPE_B)), D_SKL_PLUS);
3156 	MMIO_D(_MMIO(_PLANE_KEYMAX_1(PIPE_C)), D_SKL_PLUS);
3157 	MMIO_D(_MMIO(_PLANE_KEYMSK_1(PIPE_A)), D_SKL_PLUS);
3158 	MMIO_D(_MMIO(_PLANE_KEYMSK_1(PIPE_B)), D_SKL_PLUS);
3159 	MMIO_D(_MMIO(_PLANE_KEYMSK_1(PIPE_C)), D_SKL_PLUS);
3160 
3161 	MMIO_D(_MMIO(0x44500), D_SKL_PLUS);
3162 #define CSFE_CHICKEN1_REG(base) _MMIO((base) + 0xD4)
3163 	MMIO_RING_DFH(CSFE_CHICKEN1_REG, D_SKL_PLUS, F_MODE_MASK | F_CMD_ACCESS,
3164 		      NULL, csfe_chicken1_mmio_write);
3165 #undef CSFE_CHICKEN1_REG
3166 	MMIO_DFH(GEN8_HDC_CHICKEN1, D_SKL_PLUS, F_MODE_MASK | F_CMD_ACCESS,
3167 		 NULL, NULL);
3168 	MMIO_DFH(GEN9_WM_CHICKEN3, D_SKL_PLUS, F_MODE_MASK | F_CMD_ACCESS,
3169 		 NULL, NULL);
3170 
3171 	MMIO_DFH(GAMT_CHKN_BIT_REG, D_KBL | D_CFL, F_CMD_ACCESS, NULL, NULL);
3172 	MMIO_D(GEN9_CTX_PREEMPT_REG, D_SKL_PLUS & ~D_BXT);
3173 
3174 	return 0;
3175 }
3176 
3177 static int init_bxt_mmio_info(struct intel_gvt *gvt)
3178 {
3179 	struct drm_i915_private *dev_priv = gvt->gt->i915;
3180 	int ret;
3181 
3182 	MMIO_F(_MMIO(0x80000), 0x3000, 0, 0, 0, D_BXT, NULL, NULL);
3183 
3184 	MMIO_D(GEN7_SAMPLER_INSTDONE, D_BXT);
3185 	MMIO_D(GEN7_ROW_INSTDONE, D_BXT);
3186 	MMIO_D(GEN8_FAULT_TLB_DATA0, D_BXT);
3187 	MMIO_D(GEN8_FAULT_TLB_DATA1, D_BXT);
3188 	MMIO_D(ERROR_GEN6, D_BXT);
3189 	MMIO_D(DONE_REG, D_BXT);
3190 	MMIO_D(EIR, D_BXT);
3191 	MMIO_D(PGTBL_ER, D_BXT);
3192 	MMIO_D(_MMIO(0x4194), D_BXT);
3193 	MMIO_D(_MMIO(0x4294), D_BXT);
3194 	MMIO_D(_MMIO(0x4494), D_BXT);
3195 
3196 	MMIO_RING_D(RING_PSMI_CTL, D_BXT);
3197 	MMIO_RING_D(RING_DMA_FADD, D_BXT);
3198 	MMIO_RING_D(RING_DMA_FADD_UDW, D_BXT);
3199 	MMIO_RING_D(RING_IPEHR, D_BXT);
3200 	MMIO_RING_D(RING_INSTPS, D_BXT);
3201 	MMIO_RING_D(RING_BBADDR_UDW, D_BXT);
3202 	MMIO_RING_D(RING_BBSTATE, D_BXT);
3203 	MMIO_RING_D(RING_IPEIR, D_BXT);
3204 
3205 	MMIO_F(SOFT_SCRATCH(0), 16 * 4, 0, 0, 0, D_BXT, NULL, NULL);
3206 
3207 	MMIO_DH(BXT_P_CR_GT_DISP_PWRON, D_BXT, NULL, bxt_gt_disp_pwron_write);
3208 	MMIO_D(BXT_RP_STATE_CAP, D_BXT);
3209 	MMIO_DH(BXT_PHY_CTL_FAMILY(DPIO_PHY0), D_BXT,
3210 		NULL, bxt_phy_ctl_family_write);
3211 	MMIO_DH(BXT_PHY_CTL_FAMILY(DPIO_PHY1), D_BXT,
3212 		NULL, bxt_phy_ctl_family_write);
3213 	MMIO_D(BXT_PHY_CTL(PORT_A), D_BXT);
3214 	MMIO_D(BXT_PHY_CTL(PORT_B), D_BXT);
3215 	MMIO_D(BXT_PHY_CTL(PORT_C), D_BXT);
3216 	MMIO_DH(BXT_PORT_PLL_ENABLE(PORT_A), D_BXT,
3217 		NULL, bxt_port_pll_enable_write);
3218 	MMIO_DH(BXT_PORT_PLL_ENABLE(PORT_B), D_BXT,
3219 		NULL, bxt_port_pll_enable_write);
3220 	MMIO_DH(BXT_PORT_PLL_ENABLE(PORT_C), D_BXT, NULL,
3221 		bxt_port_pll_enable_write);
3222 
3223 	MMIO_D(BXT_PORT_CL1CM_DW0(DPIO_PHY0), D_BXT);
3224 	MMIO_D(BXT_PORT_CL1CM_DW9(DPIO_PHY0), D_BXT);
3225 	MMIO_D(BXT_PORT_CL1CM_DW10(DPIO_PHY0), D_BXT);
3226 	MMIO_D(BXT_PORT_CL1CM_DW28(DPIO_PHY0), D_BXT);
3227 	MMIO_D(BXT_PORT_CL1CM_DW30(DPIO_PHY0), D_BXT);
3228 	MMIO_D(BXT_PORT_CL2CM_DW6(DPIO_PHY0), D_BXT);
3229 	MMIO_D(BXT_PORT_REF_DW3(DPIO_PHY0), D_BXT);
3230 	MMIO_D(BXT_PORT_REF_DW6(DPIO_PHY0), D_BXT);
3231 	MMIO_D(BXT_PORT_REF_DW8(DPIO_PHY0), D_BXT);
3232 
3233 	MMIO_D(BXT_PORT_CL1CM_DW0(DPIO_PHY1), D_BXT);
3234 	MMIO_D(BXT_PORT_CL1CM_DW9(DPIO_PHY1), D_BXT);
3235 	MMIO_D(BXT_PORT_CL1CM_DW10(DPIO_PHY1), D_BXT);
3236 	MMIO_D(BXT_PORT_CL1CM_DW28(DPIO_PHY1), D_BXT);
3237 	MMIO_D(BXT_PORT_CL1CM_DW30(DPIO_PHY1), D_BXT);
3238 	MMIO_D(BXT_PORT_CL2CM_DW6(DPIO_PHY1), D_BXT);
3239 	MMIO_D(BXT_PORT_REF_DW3(DPIO_PHY1), D_BXT);
3240 	MMIO_D(BXT_PORT_REF_DW6(DPIO_PHY1), D_BXT);
3241 	MMIO_D(BXT_PORT_REF_DW8(DPIO_PHY1), D_BXT);
3242 
3243 	MMIO_D(BXT_PORT_PLL_EBB_0(DPIO_PHY0, DPIO_CH0), D_BXT);
3244 	MMIO_D(BXT_PORT_PLL_EBB_4(DPIO_PHY0, DPIO_CH0), D_BXT);
3245 	MMIO_D(BXT_PORT_PCS_DW10_LN01(DPIO_PHY0, DPIO_CH0), D_BXT);
3246 	MMIO_D(BXT_PORT_PCS_DW10_GRP(DPIO_PHY0, DPIO_CH0), D_BXT);
3247 	MMIO_D(BXT_PORT_PCS_DW12_LN01(DPIO_PHY0, DPIO_CH0), D_BXT);
3248 	MMIO_D(BXT_PORT_PCS_DW12_LN23(DPIO_PHY0, DPIO_CH0), D_BXT);
3249 	MMIO_DH(BXT_PORT_PCS_DW12_GRP(DPIO_PHY0, DPIO_CH0), D_BXT,
3250 		NULL, bxt_pcs_dw12_grp_write);
3251 	MMIO_D(BXT_PORT_TX_DW2_LN0(DPIO_PHY0, DPIO_CH0), D_BXT);
3252 	MMIO_D(BXT_PORT_TX_DW2_GRP(DPIO_PHY0, DPIO_CH0), D_BXT);
3253 	MMIO_DH(BXT_PORT_TX_DW3_LN0(DPIO_PHY0, DPIO_CH0), D_BXT,
3254 		bxt_port_tx_dw3_read, NULL);
3255 	MMIO_D(BXT_PORT_TX_DW3_GRP(DPIO_PHY0, DPIO_CH0), D_BXT);
3256 	MMIO_D(BXT_PORT_TX_DW4_LN0(DPIO_PHY0, DPIO_CH0), D_BXT);
3257 	MMIO_D(BXT_PORT_TX_DW4_GRP(DPIO_PHY0, DPIO_CH0), D_BXT);
3258 	MMIO_D(BXT_PORT_TX_DW14_LN(DPIO_PHY0, DPIO_CH0, 0), D_BXT);
3259 	MMIO_D(BXT_PORT_TX_DW14_LN(DPIO_PHY0, DPIO_CH0, 1), D_BXT);
3260 	MMIO_D(BXT_PORT_TX_DW14_LN(DPIO_PHY0, DPIO_CH0, 2), D_BXT);
3261 	MMIO_D(BXT_PORT_TX_DW14_LN(DPIO_PHY0, DPIO_CH0, 3), D_BXT);
3262 	MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH0, 0), D_BXT);
3263 	MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH0, 1), D_BXT);
3264 	MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH0, 2), D_BXT);
3265 	MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH0, 3), D_BXT);
3266 	MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH0, 6), D_BXT);
3267 	MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH0, 8), D_BXT);
3268 	MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH0, 9), D_BXT);
3269 	MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH0, 10), D_BXT);
3270 
3271 	MMIO_D(BXT_PORT_PLL_EBB_0(DPIO_PHY0, DPIO_CH1), D_BXT);
3272 	MMIO_D(BXT_PORT_PLL_EBB_4(DPIO_PHY0, DPIO_CH1), D_BXT);
3273 	MMIO_D(BXT_PORT_PCS_DW10_LN01(DPIO_PHY0, DPIO_CH1), D_BXT);
3274 	MMIO_D(BXT_PORT_PCS_DW10_GRP(DPIO_PHY0, DPIO_CH1), D_BXT);
3275 	MMIO_D(BXT_PORT_PCS_DW12_LN01(DPIO_PHY0, DPIO_CH1), D_BXT);
3276 	MMIO_D(BXT_PORT_PCS_DW12_LN23(DPIO_PHY0, DPIO_CH1), D_BXT);
3277 	MMIO_DH(BXT_PORT_PCS_DW12_GRP(DPIO_PHY0, DPIO_CH1), D_BXT,
3278 		NULL, bxt_pcs_dw12_grp_write);
3279 	MMIO_D(BXT_PORT_TX_DW2_LN0(DPIO_PHY0, DPIO_CH1), D_BXT);
3280 	MMIO_D(BXT_PORT_TX_DW2_GRP(DPIO_PHY0, DPIO_CH1), D_BXT);
3281 	MMIO_DH(BXT_PORT_TX_DW3_LN0(DPIO_PHY0, DPIO_CH1), D_BXT,
3282 		bxt_port_tx_dw3_read, NULL);
3283 	MMIO_D(BXT_PORT_TX_DW3_GRP(DPIO_PHY0, DPIO_CH1), D_BXT);
3284 	MMIO_D(BXT_PORT_TX_DW4_LN0(DPIO_PHY0, DPIO_CH1), D_BXT);
3285 	MMIO_D(BXT_PORT_TX_DW4_GRP(DPIO_PHY0, DPIO_CH1), D_BXT);
3286 	MMIO_D(BXT_PORT_TX_DW14_LN(DPIO_PHY0, DPIO_CH1, 0), D_BXT);
3287 	MMIO_D(BXT_PORT_TX_DW14_LN(DPIO_PHY0, DPIO_CH1, 1), D_BXT);
3288 	MMIO_D(BXT_PORT_TX_DW14_LN(DPIO_PHY0, DPIO_CH1, 2), D_BXT);
3289 	MMIO_D(BXT_PORT_TX_DW14_LN(DPIO_PHY0, DPIO_CH1, 3), D_BXT);
3290 	MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH1, 0), D_BXT);
3291 	MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH1, 1), D_BXT);
3292 	MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH1, 2), D_BXT);
3293 	MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH1, 3), D_BXT);
3294 	MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH1, 6), D_BXT);
3295 	MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH1, 8), D_BXT);
3296 	MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH1, 9), D_BXT);
3297 	MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH1, 10), D_BXT);
3298 
3299 	MMIO_D(BXT_PORT_PLL_EBB_0(DPIO_PHY1, DPIO_CH0), D_BXT);
3300 	MMIO_D(BXT_PORT_PLL_EBB_4(DPIO_PHY1, DPIO_CH0), D_BXT);
3301 	MMIO_D(BXT_PORT_PCS_DW10_LN01(DPIO_PHY1, DPIO_CH0), D_BXT);
3302 	MMIO_D(BXT_PORT_PCS_DW10_GRP(DPIO_PHY1, DPIO_CH0), D_BXT);
3303 	MMIO_D(BXT_PORT_PCS_DW12_LN01(DPIO_PHY1, DPIO_CH0), D_BXT);
3304 	MMIO_D(BXT_PORT_PCS_DW12_LN23(DPIO_PHY1, DPIO_CH0), D_BXT);
3305 	MMIO_DH(BXT_PORT_PCS_DW12_GRP(DPIO_PHY1, DPIO_CH0), D_BXT,
3306 		NULL, bxt_pcs_dw12_grp_write);
3307 	MMIO_D(BXT_PORT_TX_DW2_LN0(DPIO_PHY1, DPIO_CH0), D_BXT);
3308 	MMIO_D(BXT_PORT_TX_DW2_GRP(DPIO_PHY1, DPIO_CH0), D_BXT);
3309 	MMIO_DH(BXT_PORT_TX_DW3_LN0(DPIO_PHY1, DPIO_CH0), D_BXT,
3310 		bxt_port_tx_dw3_read, NULL);
3311 	MMIO_D(BXT_PORT_TX_DW3_GRP(DPIO_PHY1, DPIO_CH0), D_BXT);
3312 	MMIO_D(BXT_PORT_TX_DW4_LN0(DPIO_PHY1, DPIO_CH0), D_BXT);
3313 	MMIO_D(BXT_PORT_TX_DW4_GRP(DPIO_PHY1, DPIO_CH0), D_BXT);
3314 	MMIO_D(BXT_PORT_TX_DW14_LN(DPIO_PHY1, DPIO_CH0, 0), D_BXT);
3315 	MMIO_D(BXT_PORT_TX_DW14_LN(DPIO_PHY1, DPIO_CH0, 1), D_BXT);
3316 	MMIO_D(BXT_PORT_TX_DW14_LN(DPIO_PHY1, DPIO_CH0, 2), D_BXT);
3317 	MMIO_D(BXT_PORT_TX_DW14_LN(DPIO_PHY1, DPIO_CH0, 3), D_BXT);
3318 	MMIO_D(BXT_PORT_PLL(DPIO_PHY1, DPIO_CH0, 0), D_BXT);
3319 	MMIO_D(BXT_PORT_PLL(DPIO_PHY1, DPIO_CH0, 1), D_BXT);
3320 	MMIO_D(BXT_PORT_PLL(DPIO_PHY1, DPIO_CH0, 2), D_BXT);
3321 	MMIO_D(BXT_PORT_PLL(DPIO_PHY1, DPIO_CH0, 3), D_BXT);
3322 	MMIO_D(BXT_PORT_PLL(DPIO_PHY1, DPIO_CH0, 6), D_BXT);
3323 	MMIO_D(BXT_PORT_PLL(DPIO_PHY1, DPIO_CH0, 8), D_BXT);
3324 	MMIO_D(BXT_PORT_PLL(DPIO_PHY1, DPIO_CH0, 9), D_BXT);
3325 	MMIO_D(BXT_PORT_PLL(DPIO_PHY1, DPIO_CH0, 10), D_BXT);
3326 
3327 	MMIO_D(BXT_DE_PLL_CTL, D_BXT);
3328 	MMIO_DH(BXT_DE_PLL_ENABLE, D_BXT, NULL, bxt_de_pll_enable_write);
3329 	MMIO_D(BXT_DSI_PLL_CTL, D_BXT);
3330 	MMIO_D(BXT_DSI_PLL_ENABLE, D_BXT);
3331 
3332 	MMIO_D(GEN9_CLKGATE_DIS_0, D_BXT);
3333 	MMIO_D(GEN9_CLKGATE_DIS_4, D_BXT);
3334 
3335 	MMIO_D(HSW_TVIDEO_DIP_GCP(TRANSCODER_A), D_BXT);
3336 	MMIO_D(HSW_TVIDEO_DIP_GCP(TRANSCODER_B), D_BXT);
3337 	MMIO_D(HSW_TVIDEO_DIP_GCP(TRANSCODER_C), D_BXT);
3338 
3339 	MMIO_D(RC6_CTX_BASE, D_BXT);
3340 
3341 	MMIO_D(GEN8_PUSHBUS_CONTROL, D_BXT);
3342 	MMIO_D(GEN8_PUSHBUS_ENABLE, D_BXT);
3343 	MMIO_D(GEN8_PUSHBUS_SHIFT, D_BXT);
3344 	MMIO_D(GEN6_GFXPAUSE, D_BXT);
3345 	MMIO_DFH(GEN8_L3SQCREG1, D_BXT, F_CMD_ACCESS, NULL, NULL);
3346 	MMIO_DFH(GEN8_L3CNTLREG, D_BXT, F_CMD_ACCESS, NULL, NULL);
3347 	MMIO_DFH(_MMIO(0x20D8), D_BXT, F_CMD_ACCESS, NULL, NULL);
3348 	MMIO_F(GEN8_RING_CS_GPR(RENDER_RING_BASE, 0), 0x40, F_CMD_ACCESS,
3349 	       0, 0, D_BXT, NULL, NULL);
3350 	MMIO_F(GEN8_RING_CS_GPR(GEN6_BSD_RING_BASE, 0), 0x40, F_CMD_ACCESS,
3351 	       0, 0, D_BXT, NULL, NULL);
3352 	MMIO_F(GEN8_RING_CS_GPR(BLT_RING_BASE, 0), 0x40, F_CMD_ACCESS,
3353 	       0, 0, D_BXT, NULL, NULL);
3354 	MMIO_F(GEN8_RING_CS_GPR(VEBOX_RING_BASE, 0), 0x40, F_CMD_ACCESS,
3355 	       0, 0, D_BXT, NULL, NULL);
3356 
3357 	MMIO_DFH(GEN9_CTX_PREEMPT_REG, D_BXT, F_CMD_ACCESS, NULL, NULL);
3358 
3359 	MMIO_DH(GEN8_PRIVATE_PAT_LO, D_BXT, NULL, bxt_ppat_low_write);
3360 
3361 	return 0;
3362 }
3363 
3364 static struct gvt_mmio_block *find_mmio_block(struct intel_gvt *gvt,
3365 					      unsigned int offset)
3366 {
3367 	unsigned long device = intel_gvt_get_device_type(gvt);
3368 	struct gvt_mmio_block *block = gvt->mmio.mmio_block;
3369 	int num = gvt->mmio.num_mmio_block;
3370 	int i;
3371 
3372 	for (i = 0; i < num; i++, block++) {
3373 		if (!(device & block->device))
3374 			continue;
3375 		if (offset >= i915_mmio_reg_offset(block->offset) &&
3376 		    offset < i915_mmio_reg_offset(block->offset) + block->size)
3377 			return block;
3378 	}
3379 	return NULL;
3380 }
3381 
3382 /**
3383  * intel_gvt_clean_mmio_info - clean up MMIO information table for GVT device
3384  * @gvt: GVT device
3385  *
3386  * This function is called at the driver unloading stage, to clean up the MMIO
3387  * information table of GVT device
3388  *
3389  */
3390 void intel_gvt_clean_mmio_info(struct intel_gvt *gvt)
3391 {
3392 	struct hlist_node *tmp;
3393 	struct intel_gvt_mmio_info *e;
3394 	int i;
3395 
3396 	hash_for_each_safe(gvt->mmio.mmio_info_table, i, tmp, e, node)
3397 		kfree(e);
3398 
3399 	vfree(gvt->mmio.mmio_attribute);
3400 	gvt->mmio.mmio_attribute = NULL;
3401 }
3402 
3403 /* Special MMIO blocks. registers in MMIO block ranges should not be command
3404  * accessible (should have no F_CMD_ACCESS flag).
3405  * otherwise, need to update cmd_reg_handler in cmd_parser.c
3406  */
3407 static struct gvt_mmio_block mmio_blocks[] = {
3408 	{D_SKL_PLUS, _MMIO(CSR_MMIO_START_RANGE), 0x3000, NULL, NULL},
3409 	{D_ALL, _MMIO(MCHBAR_MIRROR_BASE_SNB), 0x40000, NULL, NULL},
3410 	{D_ALL, _MMIO(VGT_PVINFO_PAGE), VGT_PVINFO_SIZE,
3411 		pvinfo_mmio_read, pvinfo_mmio_write},
3412 	{D_ALL, LGC_PALETTE(PIPE_A, 0), 1024, NULL, NULL},
3413 	{D_ALL, LGC_PALETTE(PIPE_B, 0), 1024, NULL, NULL},
3414 	{D_ALL, LGC_PALETTE(PIPE_C, 0), 1024, NULL, NULL},
3415 };
3416 
3417 /**
3418  * intel_gvt_setup_mmio_info - setup MMIO information table for GVT device
3419  * @gvt: GVT device
3420  *
3421  * This function is called at the initialization stage, to setup the MMIO
3422  * information table for GVT device
3423  *
3424  * Returns:
3425  * zero on success, negative if failed.
3426  */
3427 int intel_gvt_setup_mmio_info(struct intel_gvt *gvt)
3428 {
3429 	struct intel_gvt_device_info *info = &gvt->device_info;
3430 	struct drm_i915_private *i915 = gvt->gt->i915;
3431 	int size = info->mmio_size / 4 * sizeof(*gvt->mmio.mmio_attribute);
3432 	int ret;
3433 
3434 	gvt->mmio.mmio_attribute = vzalloc(size);
3435 	if (!gvt->mmio.mmio_attribute)
3436 		return -ENOMEM;
3437 
3438 	ret = init_generic_mmio_info(gvt);
3439 	if (ret)
3440 		goto err;
3441 
3442 	if (IS_BROADWELL(i915)) {
3443 		ret = init_bdw_mmio_info(gvt);
3444 		if (ret)
3445 			goto err;
3446 	} else if (IS_SKYLAKE(i915) ||
3447 		   IS_KABYLAKE(i915) ||
3448 		   IS_COFFEELAKE(i915) ||
3449 		   IS_COMETLAKE(i915)) {
3450 		ret = init_bdw_mmio_info(gvt);
3451 		if (ret)
3452 			goto err;
3453 		ret = init_skl_mmio_info(gvt);
3454 		if (ret)
3455 			goto err;
3456 	} else if (IS_BROXTON(i915)) {
3457 		ret = init_bdw_mmio_info(gvt);
3458 		if (ret)
3459 			goto err;
3460 		ret = init_skl_mmio_info(gvt);
3461 		if (ret)
3462 			goto err;
3463 		ret = init_bxt_mmio_info(gvt);
3464 		if (ret)
3465 			goto err;
3466 	}
3467 
3468 	gvt->mmio.mmio_block = mmio_blocks;
3469 	gvt->mmio.num_mmio_block = ARRAY_SIZE(mmio_blocks);
3470 
3471 	return 0;
3472 err:
3473 	intel_gvt_clean_mmio_info(gvt);
3474 	return ret;
3475 }
3476 
3477 /**
3478  * intel_gvt_for_each_tracked_mmio - iterate each tracked mmio
3479  * @gvt: a GVT device
3480  * @handler: the handler
3481  * @data: private data given to handler
3482  *
3483  * Returns:
3484  * Zero on success, negative error code if failed.
3485  */
3486 int intel_gvt_for_each_tracked_mmio(struct intel_gvt *gvt,
3487 	int (*handler)(struct intel_gvt *gvt, u32 offset, void *data),
3488 	void *data)
3489 {
3490 	struct gvt_mmio_block *block = gvt->mmio.mmio_block;
3491 	struct intel_gvt_mmio_info *e;
3492 	int i, j, ret;
3493 
3494 	hash_for_each(gvt->mmio.mmio_info_table, i, e, node) {
3495 		ret = handler(gvt, e->offset, data);
3496 		if (ret)
3497 			return ret;
3498 	}
3499 
3500 	for (i = 0; i < gvt->mmio.num_mmio_block; i++, block++) {
3501 		/* pvinfo data doesn't come from hw mmio */
3502 		if (i915_mmio_reg_offset(block->offset) == VGT_PVINFO_PAGE)
3503 			continue;
3504 
3505 		for (j = 0; j < block->size; j += 4) {
3506 			ret = handler(gvt,
3507 				      i915_mmio_reg_offset(block->offset) + j,
3508 				      data);
3509 			if (ret)
3510 				return ret;
3511 		}
3512 	}
3513 	return 0;
3514 }
3515 
3516 /**
3517  * intel_vgpu_default_mmio_read - default MMIO read handler
3518  * @vgpu: a vGPU
3519  * @offset: access offset
3520  * @p_data: data return buffer
3521  * @bytes: access data length
3522  *
3523  * Returns:
3524  * Zero on success, negative error code if failed.
3525  */
3526 int intel_vgpu_default_mmio_read(struct intel_vgpu *vgpu, unsigned int offset,
3527 		void *p_data, unsigned int bytes)
3528 {
3529 	read_vreg(vgpu, offset, p_data, bytes);
3530 	return 0;
3531 }
3532 
3533 /**
3534  * intel_t_default_mmio_write - default MMIO write handler
3535  * @vgpu: a vGPU
3536  * @offset: access offset
3537  * @p_data: write data buffer
3538  * @bytes: access data length
3539  *
3540  * Returns:
3541  * Zero on success, negative error code if failed.
3542  */
3543 int intel_vgpu_default_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
3544 		void *p_data, unsigned int bytes)
3545 {
3546 	write_vreg(vgpu, offset, p_data, bytes);
3547 	return 0;
3548 }
3549 
3550 /**
3551  * intel_vgpu_mask_mmio_write - write mask register
3552  * @vgpu: a vGPU
3553  * @offset: access offset
3554  * @p_data: write data buffer
3555  * @bytes: access data length
3556  *
3557  * Returns:
3558  * Zero on success, negative error code if failed.
3559  */
3560 int intel_vgpu_mask_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
3561 		void *p_data, unsigned int bytes)
3562 {
3563 	u32 mask, old_vreg;
3564 
3565 	old_vreg = vgpu_vreg(vgpu, offset);
3566 	write_vreg(vgpu, offset, p_data, bytes);
3567 	mask = vgpu_vreg(vgpu, offset) >> 16;
3568 	vgpu_vreg(vgpu, offset) = (old_vreg & ~mask) |
3569 				(vgpu_vreg(vgpu, offset) & mask);
3570 
3571 	return 0;
3572 }
3573 
3574 /**
3575  * intel_gvt_in_force_nonpriv_whitelist - if a mmio is in whitelist to be
3576  * force-nopriv register
3577  *
3578  * @gvt: a GVT device
3579  * @offset: register offset
3580  *
3581  * Returns:
3582  * True if the register is in force-nonpriv whitelist;
3583  * False if outside;
3584  */
3585 bool intel_gvt_in_force_nonpriv_whitelist(struct intel_gvt *gvt,
3586 					  unsigned int offset)
3587 {
3588 	return in_whitelist(offset);
3589 }
3590 
3591 /**
3592  * intel_vgpu_mmio_reg_rw - emulate tracked mmio registers
3593  * @vgpu: a vGPU
3594  * @offset: register offset
3595  * @pdata: data buffer
3596  * @bytes: data length
3597  * @is_read: read or write
3598  *
3599  * Returns:
3600  * Zero on success, negative error code if failed.
3601  */
3602 int intel_vgpu_mmio_reg_rw(struct intel_vgpu *vgpu, unsigned int offset,
3603 			   void *pdata, unsigned int bytes, bool is_read)
3604 {
3605 	struct drm_i915_private *i915 = vgpu->gvt->gt->i915;
3606 	struct intel_gvt *gvt = vgpu->gvt;
3607 	struct intel_gvt_mmio_info *mmio_info;
3608 	struct gvt_mmio_block *mmio_block;
3609 	gvt_mmio_func func;
3610 	int ret;
3611 
3612 	if (drm_WARN_ON(&i915->drm, bytes > 8))
3613 		return -EINVAL;
3614 
3615 	/*
3616 	 * Handle special MMIO blocks.
3617 	 */
3618 	mmio_block = find_mmio_block(gvt, offset);
3619 	if (mmio_block) {
3620 		func = is_read ? mmio_block->read : mmio_block->write;
3621 		if (func)
3622 			return func(vgpu, offset, pdata, bytes);
3623 		goto default_rw;
3624 	}
3625 
3626 	/*
3627 	 * Normal tracked MMIOs.
3628 	 */
3629 	mmio_info = find_mmio_info(gvt, offset);
3630 	if (!mmio_info) {
3631 		gvt_dbg_mmio("untracked MMIO %08x len %d\n", offset, bytes);
3632 		goto default_rw;
3633 	}
3634 
3635 	if (is_read)
3636 		return mmio_info->read(vgpu, offset, pdata, bytes);
3637 	else {
3638 		u64 ro_mask = mmio_info->ro_mask;
3639 		u32 old_vreg = 0;
3640 		u64 data = 0;
3641 
3642 		if (intel_gvt_mmio_has_mode_mask(gvt, mmio_info->offset)) {
3643 			old_vreg = vgpu_vreg(vgpu, offset);
3644 		}
3645 
3646 		if (likely(!ro_mask))
3647 			ret = mmio_info->write(vgpu, offset, pdata, bytes);
3648 		else if (!~ro_mask) {
3649 			gvt_vgpu_err("try to write RO reg %x\n", offset);
3650 			return 0;
3651 		} else {
3652 			/* keep the RO bits in the virtual register */
3653 			memcpy(&data, pdata, bytes);
3654 			data &= ~ro_mask;
3655 			data |= vgpu_vreg(vgpu, offset) & ro_mask;
3656 			ret = mmio_info->write(vgpu, offset, &data, bytes);
3657 		}
3658 
3659 		/* higher 16bits of mode ctl regs are mask bits for change */
3660 		if (intel_gvt_mmio_has_mode_mask(gvt, mmio_info->offset)) {
3661 			u32 mask = vgpu_vreg(vgpu, offset) >> 16;
3662 
3663 			vgpu_vreg(vgpu, offset) = (old_vreg & ~mask)
3664 					| (vgpu_vreg(vgpu, offset) & mask);
3665 		}
3666 	}
3667 
3668 	return ret;
3669 
3670 default_rw:
3671 	return is_read ?
3672 		intel_vgpu_default_mmio_read(vgpu, offset, pdata, bytes) :
3673 		intel_vgpu_default_mmio_write(vgpu, offset, pdata, bytes);
3674 }
3675 
3676 void intel_gvt_restore_fence(struct intel_gvt *gvt)
3677 {
3678 	struct intel_vgpu *vgpu;
3679 	int i, id;
3680 
3681 	idr_for_each_entry(&(gvt)->vgpu_idr, vgpu, id) {
3682 		mmio_hw_access_pre(gvt->gt);
3683 		for (i = 0; i < vgpu_fence_sz(vgpu); i++)
3684 			intel_vgpu_write_fence(vgpu, i, vgpu_vreg64(vgpu, fence_num_to_offset(i)));
3685 		mmio_hw_access_post(gvt->gt);
3686 	}
3687 }
3688 
3689 static inline int mmio_pm_restore_handler(struct intel_gvt *gvt,
3690 					  u32 offset, void *data)
3691 {
3692 	struct intel_vgpu *vgpu = data;
3693 	struct drm_i915_private *dev_priv = gvt->gt->i915;
3694 
3695 	if (gvt->mmio.mmio_attribute[offset >> 2] & F_PM_SAVE)
3696 		I915_WRITE(_MMIO(offset), vgpu_vreg(vgpu, offset));
3697 
3698 	return 0;
3699 }
3700 
3701 void intel_gvt_restore_mmio(struct intel_gvt *gvt)
3702 {
3703 	struct intel_vgpu *vgpu;
3704 	int id;
3705 
3706 	idr_for_each_entry(&(gvt)->vgpu_idr, vgpu, id) {
3707 		mmio_hw_access_pre(gvt->gt);
3708 		intel_gvt_for_each_tracked_mmio(gvt, mmio_pm_restore_handler, vgpu);
3709 		mmio_hw_access_post(gvt->gt);
3710 	}
3711 }
3712