xref: /openbmc/linux/drivers/gpu/drm/i915/gvt/handlers.c (revision f8e17c17)
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 	if (IS_BROADWELL(gvt->dev_priv))
53 		return D_BDW;
54 	else if (IS_SKYLAKE(gvt->dev_priv))
55 		return D_SKL;
56 	else if (IS_KABYLAKE(gvt->dev_priv))
57 		return D_KBL;
58 	else if (IS_BROXTON(gvt->dev_priv))
59 		return D_BXT;
60 	else if (IS_COFFEELAKE(gvt->dev_priv))
61 		return D_CFL;
62 
63 	return 0;
64 }
65 
66 bool intel_gvt_match_device(struct intel_gvt *gvt,
67 		unsigned long device)
68 {
69 	return intel_gvt_get_device_type(gvt) & device;
70 }
71 
72 static void read_vreg(struct intel_vgpu *vgpu, unsigned int offset,
73 	void *p_data, unsigned int bytes)
74 {
75 	memcpy(p_data, &vgpu_vreg(vgpu, offset), bytes);
76 }
77 
78 static void write_vreg(struct intel_vgpu *vgpu, unsigned int offset,
79 	void *p_data, unsigned int bytes)
80 {
81 	memcpy(&vgpu_vreg(vgpu, offset), p_data, bytes);
82 }
83 
84 static struct intel_gvt_mmio_info *find_mmio_info(struct intel_gvt *gvt,
85 						  unsigned int offset)
86 {
87 	struct intel_gvt_mmio_info *e;
88 
89 	hash_for_each_possible(gvt->mmio.mmio_info_table, e, node, offset) {
90 		if (e->offset == offset)
91 			return e;
92 	}
93 	return NULL;
94 }
95 
96 static int new_mmio_info(struct intel_gvt *gvt,
97 		u32 offset, u8 flags, u32 size,
98 		u32 addr_mask, u32 ro_mask, u32 device,
99 		gvt_mmio_func read, gvt_mmio_func write)
100 {
101 	struct intel_gvt_mmio_info *info, *p;
102 	u32 start, end, i;
103 
104 	if (!intel_gvt_match_device(gvt, device))
105 		return 0;
106 
107 	if (WARN_ON(!IS_ALIGNED(offset, 4)))
108 		return -EINVAL;
109 
110 	start = offset;
111 	end = offset + size;
112 
113 	for (i = start; i < end; i += 4) {
114 		info = kzalloc(sizeof(*info), GFP_KERNEL);
115 		if (!info)
116 			return -ENOMEM;
117 
118 		info->offset = i;
119 		p = find_mmio_info(gvt, info->offset);
120 		if (p) {
121 			WARN(1, "dup mmio definition offset %x\n",
122 				info->offset);
123 			kfree(info);
124 
125 			/* We return -EEXIST here to make GVT-g load fail.
126 			 * So duplicated MMIO can be found as soon as
127 			 * possible.
128 			 */
129 			return -EEXIST;
130 		}
131 
132 		info->ro_mask = ro_mask;
133 		info->device = device;
134 		info->read = read ? read : intel_vgpu_default_mmio_read;
135 		info->write = write ? write : intel_vgpu_default_mmio_write;
136 		gvt->mmio.mmio_attribute[info->offset / 4] = flags;
137 		INIT_HLIST_NODE(&info->node);
138 		hash_add(gvt->mmio.mmio_info_table, &info->node, info->offset);
139 		gvt->mmio.num_tracked_mmio++;
140 	}
141 	return 0;
142 }
143 
144 /**
145  * intel_gvt_render_mmio_to_ring_id - convert a mmio offset into ring id
146  * @gvt: a GVT device
147  * @offset: register offset
148  *
149  * Returns:
150  * Ring ID on success, negative error code if failed.
151  */
152 int intel_gvt_render_mmio_to_ring_id(struct intel_gvt *gvt,
153 		unsigned int offset)
154 {
155 	enum intel_engine_id id;
156 	struct intel_engine_cs *engine;
157 
158 	offset &= ~GENMASK(11, 0);
159 	for_each_engine(engine, gvt->dev_priv, id) {
160 		if (engine->mmio_base == offset)
161 			return id;
162 	}
163 	return -ENODEV;
164 }
165 
166 #define offset_to_fence_num(offset) \
167 	((offset - i915_mmio_reg_offset(FENCE_REG_GEN6_LO(0))) >> 3)
168 
169 #define fence_num_to_offset(num) \
170 	(num * 8 + i915_mmio_reg_offset(FENCE_REG_GEN6_LO(0)))
171 
172 
173 void enter_failsafe_mode(struct intel_vgpu *vgpu, int reason)
174 {
175 	switch (reason) {
176 	case GVT_FAILSAFE_UNSUPPORTED_GUEST:
177 		pr_err("Detected your guest driver doesn't support GVT-g.\n");
178 		break;
179 	case GVT_FAILSAFE_INSUFFICIENT_RESOURCE:
180 		pr_err("Graphics resource is not enough for the guest\n");
181 		break;
182 	case GVT_FAILSAFE_GUEST_ERR:
183 		pr_err("GVT Internal error  for the guest\n");
184 		break;
185 	default:
186 		break;
187 	}
188 	pr_err("Now vgpu %d will enter failsafe mode.\n", vgpu->id);
189 	vgpu->failsafe = true;
190 }
191 
192 static int sanitize_fence_mmio_access(struct intel_vgpu *vgpu,
193 		unsigned int fence_num, void *p_data, unsigned int bytes)
194 {
195 	unsigned int max_fence = vgpu_fence_sz(vgpu);
196 
197 	if (fence_num >= max_fence) {
198 		gvt_vgpu_err("access oob fence reg %d/%d\n",
199 			     fence_num, max_fence);
200 
201 		/* When guest access oob fence regs without access
202 		 * pv_info first, we treat guest not supporting GVT,
203 		 * and we will let vgpu enter failsafe mode.
204 		 */
205 		if (!vgpu->pv_notified)
206 			enter_failsafe_mode(vgpu,
207 					GVT_FAILSAFE_UNSUPPORTED_GUEST);
208 
209 		memset(p_data, 0, bytes);
210 		return -EINVAL;
211 	}
212 	return 0;
213 }
214 
215 static int gamw_echo_dev_rw_ia_write(struct intel_vgpu *vgpu,
216 		unsigned int offset, void *p_data, unsigned int bytes)
217 {
218 	u32 ips = (*(u32 *)p_data) & GAMW_ECO_ENABLE_64K_IPS_FIELD;
219 
220 	if (INTEL_GEN(vgpu->gvt->dev_priv) <= 10) {
221 		if (ips == GAMW_ECO_ENABLE_64K_IPS_FIELD)
222 			gvt_dbg_core("vgpu%d: ips enabled\n", vgpu->id);
223 		else if (!ips)
224 			gvt_dbg_core("vgpu%d: ips disabled\n", vgpu->id);
225 		else {
226 			/* All engines must be enabled together for vGPU,
227 			 * since we don't know which engine the ppgtt will
228 			 * bind to when shadowing.
229 			 */
230 			gvt_vgpu_err("Unsupported IPS setting %x, cannot enable 64K gtt.\n",
231 				     ips);
232 			return -EINVAL;
233 		}
234 	}
235 
236 	write_vreg(vgpu, offset, p_data, bytes);
237 	return 0;
238 }
239 
240 static int fence_mmio_read(struct intel_vgpu *vgpu, unsigned int off,
241 		void *p_data, unsigned int bytes)
242 {
243 	int ret;
244 
245 	ret = sanitize_fence_mmio_access(vgpu, offset_to_fence_num(off),
246 			p_data, bytes);
247 	if (ret)
248 		return ret;
249 	read_vreg(vgpu, off, p_data, bytes);
250 	return 0;
251 }
252 
253 static int fence_mmio_write(struct intel_vgpu *vgpu, unsigned int off,
254 		void *p_data, unsigned int bytes)
255 {
256 	struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv;
257 	unsigned int fence_num = offset_to_fence_num(off);
258 	int ret;
259 
260 	ret = sanitize_fence_mmio_access(vgpu, fence_num, p_data, bytes);
261 	if (ret)
262 		return ret;
263 	write_vreg(vgpu, off, p_data, bytes);
264 
265 	mmio_hw_access_pre(dev_priv);
266 	intel_vgpu_write_fence(vgpu, fence_num,
267 			vgpu_vreg64(vgpu, fence_num_to_offset(fence_num)));
268 	mmio_hw_access_post(dev_priv);
269 	return 0;
270 }
271 
272 #define CALC_MODE_MASK_REG(old, new) \
273 	(((new) & GENMASK(31, 16)) \
274 	 | ((((old) & GENMASK(15, 0)) & ~((new) >> 16)) \
275 	 | ((new) & ((new) >> 16))))
276 
277 static int mul_force_wake_write(struct intel_vgpu *vgpu,
278 		unsigned int offset, void *p_data, unsigned int bytes)
279 {
280 	u32 old, new;
281 	u32 ack_reg_offset;
282 
283 	old = vgpu_vreg(vgpu, offset);
284 	new = CALC_MODE_MASK_REG(old, *(u32 *)p_data);
285 
286 	if (INTEL_GEN(vgpu->gvt->dev_priv)  >=  9) {
287 		switch (offset) {
288 		case FORCEWAKE_RENDER_GEN9_REG:
289 			ack_reg_offset = FORCEWAKE_ACK_RENDER_GEN9_REG;
290 			break;
291 		case FORCEWAKE_BLITTER_GEN9_REG:
292 			ack_reg_offset = FORCEWAKE_ACK_BLITTER_GEN9_REG;
293 			break;
294 		case FORCEWAKE_MEDIA_GEN9_REG:
295 			ack_reg_offset = FORCEWAKE_ACK_MEDIA_GEN9_REG;
296 			break;
297 		default:
298 			/*should not hit here*/
299 			gvt_vgpu_err("invalid forcewake offset 0x%x\n", offset);
300 			return -EINVAL;
301 		}
302 	} else {
303 		ack_reg_offset = FORCEWAKE_ACK_HSW_REG;
304 	}
305 
306 	vgpu_vreg(vgpu, offset) = new;
307 	vgpu_vreg(vgpu, ack_reg_offset) = (new & GENMASK(15, 0));
308 	return 0;
309 }
310 
311 static int gdrst_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
312 			    void *p_data, unsigned int bytes)
313 {
314 	intel_engine_mask_t engine_mask = 0;
315 	u32 data;
316 
317 	write_vreg(vgpu, offset, p_data, bytes);
318 	data = vgpu_vreg(vgpu, offset);
319 
320 	if (data & GEN6_GRDOM_FULL) {
321 		gvt_dbg_mmio("vgpu%d: request full GPU reset\n", vgpu->id);
322 		engine_mask = ALL_ENGINES;
323 	} else {
324 		if (data & GEN6_GRDOM_RENDER) {
325 			gvt_dbg_mmio("vgpu%d: request RCS reset\n", vgpu->id);
326 			engine_mask |= BIT(RCS0);
327 		}
328 		if (data & GEN6_GRDOM_MEDIA) {
329 			gvt_dbg_mmio("vgpu%d: request VCS reset\n", vgpu->id);
330 			engine_mask |= BIT(VCS0);
331 		}
332 		if (data & GEN6_GRDOM_BLT) {
333 			gvt_dbg_mmio("vgpu%d: request BCS Reset\n", vgpu->id);
334 			engine_mask |= BIT(BCS0);
335 		}
336 		if (data & GEN6_GRDOM_VECS) {
337 			gvt_dbg_mmio("vgpu%d: request VECS Reset\n", vgpu->id);
338 			engine_mask |= BIT(VECS0);
339 		}
340 		if (data & GEN8_GRDOM_MEDIA2) {
341 			gvt_dbg_mmio("vgpu%d: request VCS2 Reset\n", vgpu->id);
342 			engine_mask |= BIT(VCS1);
343 		}
344 		if (data & GEN9_GRDOM_GUC) {
345 			gvt_dbg_mmio("vgpu%d: request GUC Reset\n", vgpu->id);
346 			vgpu_vreg_t(vgpu, GUC_STATUS) |= GS_MIA_IN_RESET;
347 		}
348 		engine_mask &= INTEL_INFO(vgpu->gvt->dev_priv)->engine_mask;
349 	}
350 
351 	/* vgpu_lock already hold by emulate mmio r/w */
352 	intel_gvt_reset_vgpu_locked(vgpu, false, engine_mask);
353 
354 	/* sw will wait for the device to ack the reset request */
355 	vgpu_vreg(vgpu, offset) = 0;
356 
357 	return 0;
358 }
359 
360 static int gmbus_mmio_read(struct intel_vgpu *vgpu, unsigned int offset,
361 		void *p_data, unsigned int bytes)
362 {
363 	return intel_gvt_i2c_handle_gmbus_read(vgpu, offset, p_data, bytes);
364 }
365 
366 static int gmbus_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
367 		void *p_data, unsigned int bytes)
368 {
369 	return intel_gvt_i2c_handle_gmbus_write(vgpu, offset, p_data, bytes);
370 }
371 
372 static int pch_pp_control_mmio_write(struct intel_vgpu *vgpu,
373 		unsigned int offset, void *p_data, unsigned int bytes)
374 {
375 	write_vreg(vgpu, offset, p_data, bytes);
376 
377 	if (vgpu_vreg(vgpu, offset) & PANEL_POWER_ON) {
378 		vgpu_vreg_t(vgpu, PCH_PP_STATUS) |= PP_ON;
379 		vgpu_vreg_t(vgpu, PCH_PP_STATUS) |= PP_SEQUENCE_STATE_ON_IDLE;
380 		vgpu_vreg_t(vgpu, PCH_PP_STATUS) &= ~PP_SEQUENCE_POWER_DOWN;
381 		vgpu_vreg_t(vgpu, PCH_PP_STATUS) &= ~PP_CYCLE_DELAY_ACTIVE;
382 
383 	} else
384 		vgpu_vreg_t(vgpu, PCH_PP_STATUS) &=
385 			~(PP_ON | PP_SEQUENCE_POWER_DOWN
386 					| PP_CYCLE_DELAY_ACTIVE);
387 	return 0;
388 }
389 
390 static int transconf_mmio_write(struct intel_vgpu *vgpu,
391 		unsigned int offset, void *p_data, unsigned int bytes)
392 {
393 	write_vreg(vgpu, offset, p_data, bytes);
394 
395 	if (vgpu_vreg(vgpu, offset) & TRANS_ENABLE)
396 		vgpu_vreg(vgpu, offset) |= TRANS_STATE_ENABLE;
397 	else
398 		vgpu_vreg(vgpu, offset) &= ~TRANS_STATE_ENABLE;
399 	return 0;
400 }
401 
402 static int lcpll_ctl_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
403 		void *p_data, unsigned int bytes)
404 {
405 	write_vreg(vgpu, offset, p_data, bytes);
406 
407 	if (vgpu_vreg(vgpu, offset) & LCPLL_PLL_DISABLE)
408 		vgpu_vreg(vgpu, offset) &= ~LCPLL_PLL_LOCK;
409 	else
410 		vgpu_vreg(vgpu, offset) |= LCPLL_PLL_LOCK;
411 
412 	if (vgpu_vreg(vgpu, offset) & LCPLL_CD_SOURCE_FCLK)
413 		vgpu_vreg(vgpu, offset) |= LCPLL_CD_SOURCE_FCLK_DONE;
414 	else
415 		vgpu_vreg(vgpu, offset) &= ~LCPLL_CD_SOURCE_FCLK_DONE;
416 
417 	return 0;
418 }
419 
420 static int dpy_reg_mmio_read(struct intel_vgpu *vgpu, unsigned int offset,
421 		void *p_data, unsigned int bytes)
422 {
423 	switch (offset) {
424 	case 0xe651c:
425 	case 0xe661c:
426 	case 0xe671c:
427 	case 0xe681c:
428 		vgpu_vreg(vgpu, offset) = 1 << 17;
429 		break;
430 	case 0xe6c04:
431 		vgpu_vreg(vgpu, offset) = 0x3;
432 		break;
433 	case 0xe6e1c:
434 		vgpu_vreg(vgpu, offset) = 0x2f << 16;
435 		break;
436 	default:
437 		return -EINVAL;
438 	}
439 
440 	read_vreg(vgpu, offset, p_data, bytes);
441 	return 0;
442 }
443 
444 static int pipeconf_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
445 		void *p_data, unsigned int bytes)
446 {
447 	u32 data;
448 
449 	write_vreg(vgpu, offset, p_data, bytes);
450 	data = vgpu_vreg(vgpu, offset);
451 
452 	if (data & PIPECONF_ENABLE)
453 		vgpu_vreg(vgpu, offset) |= I965_PIPECONF_ACTIVE;
454 	else
455 		vgpu_vreg(vgpu, offset) &= ~I965_PIPECONF_ACTIVE;
456 	/* vgpu_lock already hold by emulate mmio r/w */
457 	mutex_unlock(&vgpu->vgpu_lock);
458 	intel_gvt_check_vblank_emulation(vgpu->gvt);
459 	mutex_lock(&vgpu->vgpu_lock);
460 	return 0;
461 }
462 
463 /* ascendingly sorted */
464 static i915_reg_t force_nonpriv_white_list[] = {
465 	GEN9_CS_DEBUG_MODE1, //_MMIO(0x20ec)
466 	GEN9_CTX_PREEMPT_REG,//_MMIO(0x2248)
467 	PS_INVOCATION_COUNT,//_MMIO(0x2348)
468 	GEN8_CS_CHICKEN1,//_MMIO(0x2580)
469 	_MMIO(0x2690),
470 	_MMIO(0x2694),
471 	_MMIO(0x2698),
472 	_MMIO(0x2754),
473 	_MMIO(0x28a0),
474 	_MMIO(0x4de0),
475 	_MMIO(0x4de4),
476 	_MMIO(0x4dfc),
477 	GEN7_COMMON_SLICE_CHICKEN1,//_MMIO(0x7010)
478 	_MMIO(0x7014),
479 	HDC_CHICKEN0,//_MMIO(0x7300)
480 	GEN8_HDC_CHICKEN1,//_MMIO(0x7304)
481 	_MMIO(0x7700),
482 	_MMIO(0x7704),
483 	_MMIO(0x7708),
484 	_MMIO(0x770c),
485 	_MMIO(0x83a8),
486 	_MMIO(0xb110),
487 	GEN8_L3SQCREG4,//_MMIO(0xb118)
488 	_MMIO(0xe100),
489 	_MMIO(0xe18c),
490 	_MMIO(0xe48c),
491 	_MMIO(0xe5f4),
492 };
493 
494 /* a simple bsearch */
495 static inline bool in_whitelist(unsigned int reg)
496 {
497 	int left = 0, right = ARRAY_SIZE(force_nonpriv_white_list);
498 	i915_reg_t *array = force_nonpriv_white_list;
499 
500 	while (left < right) {
501 		int mid = (left + right)/2;
502 
503 		if (reg > array[mid].reg)
504 			left = mid + 1;
505 		else if (reg < array[mid].reg)
506 			right = mid;
507 		else
508 			return true;
509 	}
510 	return false;
511 }
512 
513 static int force_nonpriv_write(struct intel_vgpu *vgpu,
514 	unsigned int offset, void *p_data, unsigned int bytes)
515 {
516 	u32 reg_nonpriv = (*(u32 *)p_data) & REG_GENMASK(25, 2);
517 	int ring_id = intel_gvt_render_mmio_to_ring_id(vgpu->gvt, offset);
518 	u32 ring_base;
519 	struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv;
520 	int ret = -EINVAL;
521 
522 	if ((bytes != 4) || ((offset & (bytes - 1)) != 0) || ring_id < 0) {
523 		gvt_err("vgpu(%d) ring %d Invalid FORCE_NONPRIV offset %x(%dB)\n",
524 			vgpu->id, ring_id, offset, bytes);
525 		return ret;
526 	}
527 
528 	ring_base = dev_priv->engine[ring_id]->mmio_base;
529 
530 	if (in_whitelist(reg_nonpriv) ||
531 		reg_nonpriv == i915_mmio_reg_offset(RING_NOPID(ring_base))) {
532 		ret = intel_vgpu_default_mmio_write(vgpu, offset, p_data,
533 			bytes);
534 	} else
535 		gvt_err("vgpu(%d) Invalid FORCE_NONPRIV write %x at offset %x\n",
536 			vgpu->id, *(u32 *)p_data, offset);
537 
538 	return 0;
539 }
540 
541 static int ddi_buf_ctl_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
542 		void *p_data, unsigned int bytes)
543 {
544 	write_vreg(vgpu, offset, p_data, bytes);
545 
546 	if (vgpu_vreg(vgpu, offset) & DDI_BUF_CTL_ENABLE) {
547 		vgpu_vreg(vgpu, offset) &= ~DDI_BUF_IS_IDLE;
548 	} else {
549 		vgpu_vreg(vgpu, offset) |= DDI_BUF_IS_IDLE;
550 		if (offset == i915_mmio_reg_offset(DDI_BUF_CTL(PORT_E)))
551 			vgpu_vreg_t(vgpu, DP_TP_STATUS(PORT_E))
552 				&= ~DP_TP_STATUS_AUTOTRAIN_DONE;
553 	}
554 	return 0;
555 }
556 
557 static int fdi_rx_iir_mmio_write(struct intel_vgpu *vgpu,
558 		unsigned int offset, void *p_data, unsigned int bytes)
559 {
560 	vgpu_vreg(vgpu, offset) &= ~*(u32 *)p_data;
561 	return 0;
562 }
563 
564 #define FDI_LINK_TRAIN_PATTERN1         0
565 #define FDI_LINK_TRAIN_PATTERN2         1
566 
567 static int fdi_auto_training_started(struct intel_vgpu *vgpu)
568 {
569 	u32 ddi_buf_ctl = vgpu_vreg_t(vgpu, DDI_BUF_CTL(PORT_E));
570 	u32 rx_ctl = vgpu_vreg(vgpu, _FDI_RXA_CTL);
571 	u32 tx_ctl = vgpu_vreg_t(vgpu, DP_TP_CTL(PORT_E));
572 
573 	if ((ddi_buf_ctl & DDI_BUF_CTL_ENABLE) &&
574 			(rx_ctl & FDI_RX_ENABLE) &&
575 			(rx_ctl & FDI_AUTO_TRAINING) &&
576 			(tx_ctl & DP_TP_CTL_ENABLE) &&
577 			(tx_ctl & DP_TP_CTL_FDI_AUTOTRAIN))
578 		return 1;
579 	else
580 		return 0;
581 }
582 
583 static int check_fdi_rx_train_status(struct intel_vgpu *vgpu,
584 		enum pipe pipe, unsigned int train_pattern)
585 {
586 	i915_reg_t fdi_rx_imr, fdi_tx_ctl, fdi_rx_ctl;
587 	unsigned int fdi_rx_check_bits, fdi_tx_check_bits;
588 	unsigned int fdi_rx_train_bits, fdi_tx_train_bits;
589 	unsigned int fdi_iir_check_bits;
590 
591 	fdi_rx_imr = FDI_RX_IMR(pipe);
592 	fdi_tx_ctl = FDI_TX_CTL(pipe);
593 	fdi_rx_ctl = FDI_RX_CTL(pipe);
594 
595 	if (train_pattern == FDI_LINK_TRAIN_PATTERN1) {
596 		fdi_rx_train_bits = FDI_LINK_TRAIN_PATTERN_1_CPT;
597 		fdi_tx_train_bits = FDI_LINK_TRAIN_PATTERN_1;
598 		fdi_iir_check_bits = FDI_RX_BIT_LOCK;
599 	} else if (train_pattern == FDI_LINK_TRAIN_PATTERN2) {
600 		fdi_rx_train_bits = FDI_LINK_TRAIN_PATTERN_2_CPT;
601 		fdi_tx_train_bits = FDI_LINK_TRAIN_PATTERN_2;
602 		fdi_iir_check_bits = FDI_RX_SYMBOL_LOCK;
603 	} else {
604 		gvt_vgpu_err("Invalid train pattern %d\n", train_pattern);
605 		return -EINVAL;
606 	}
607 
608 	fdi_rx_check_bits = FDI_RX_ENABLE | fdi_rx_train_bits;
609 	fdi_tx_check_bits = FDI_TX_ENABLE | fdi_tx_train_bits;
610 
611 	/* If imr bit has been masked */
612 	if (vgpu_vreg_t(vgpu, fdi_rx_imr) & fdi_iir_check_bits)
613 		return 0;
614 
615 	if (((vgpu_vreg_t(vgpu, fdi_tx_ctl) & fdi_tx_check_bits)
616 			== fdi_tx_check_bits)
617 		&& ((vgpu_vreg_t(vgpu, fdi_rx_ctl) & fdi_rx_check_bits)
618 			== fdi_rx_check_bits))
619 		return 1;
620 	else
621 		return 0;
622 }
623 
624 #define INVALID_INDEX (~0U)
625 
626 static unsigned int calc_index(unsigned int offset, unsigned int start,
627 	unsigned int next, unsigned int end, i915_reg_t i915_end)
628 {
629 	unsigned int range = next - start;
630 
631 	if (!end)
632 		end = i915_mmio_reg_offset(i915_end);
633 	if (offset < start || offset > end)
634 		return INVALID_INDEX;
635 	offset -= start;
636 	return offset / range;
637 }
638 
639 #define FDI_RX_CTL_TO_PIPE(offset) \
640 	calc_index(offset, _FDI_RXA_CTL, _FDI_RXB_CTL, 0, FDI_RX_CTL(PIPE_C))
641 
642 #define FDI_TX_CTL_TO_PIPE(offset) \
643 	calc_index(offset, _FDI_TXA_CTL, _FDI_TXB_CTL, 0, FDI_TX_CTL(PIPE_C))
644 
645 #define FDI_RX_IMR_TO_PIPE(offset) \
646 	calc_index(offset, _FDI_RXA_IMR, _FDI_RXB_IMR, 0, FDI_RX_IMR(PIPE_C))
647 
648 static int update_fdi_rx_iir_status(struct intel_vgpu *vgpu,
649 		unsigned int offset, void *p_data, unsigned int bytes)
650 {
651 	i915_reg_t fdi_rx_iir;
652 	unsigned int index;
653 	int ret;
654 
655 	if (FDI_RX_CTL_TO_PIPE(offset) != INVALID_INDEX)
656 		index = FDI_RX_CTL_TO_PIPE(offset);
657 	else if (FDI_TX_CTL_TO_PIPE(offset) != INVALID_INDEX)
658 		index = FDI_TX_CTL_TO_PIPE(offset);
659 	else if (FDI_RX_IMR_TO_PIPE(offset) != INVALID_INDEX)
660 		index = FDI_RX_IMR_TO_PIPE(offset);
661 	else {
662 		gvt_vgpu_err("Unsupport registers %x\n", offset);
663 		return -EINVAL;
664 	}
665 
666 	write_vreg(vgpu, offset, p_data, bytes);
667 
668 	fdi_rx_iir = FDI_RX_IIR(index);
669 
670 	ret = check_fdi_rx_train_status(vgpu, index, FDI_LINK_TRAIN_PATTERN1);
671 	if (ret < 0)
672 		return ret;
673 	if (ret)
674 		vgpu_vreg_t(vgpu, fdi_rx_iir) |= FDI_RX_BIT_LOCK;
675 
676 	ret = check_fdi_rx_train_status(vgpu, index, FDI_LINK_TRAIN_PATTERN2);
677 	if (ret < 0)
678 		return ret;
679 	if (ret)
680 		vgpu_vreg_t(vgpu, fdi_rx_iir) |= FDI_RX_SYMBOL_LOCK;
681 
682 	if (offset == _FDI_RXA_CTL)
683 		if (fdi_auto_training_started(vgpu))
684 			vgpu_vreg_t(vgpu, DP_TP_STATUS(PORT_E)) |=
685 				DP_TP_STATUS_AUTOTRAIN_DONE;
686 	return 0;
687 }
688 
689 #define DP_TP_CTL_TO_PORT(offset) \
690 	calc_index(offset, _DP_TP_CTL_A, _DP_TP_CTL_B, 0, DP_TP_CTL(PORT_E))
691 
692 static int dp_tp_ctl_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
693 		void *p_data, unsigned int bytes)
694 {
695 	i915_reg_t status_reg;
696 	unsigned int index;
697 	u32 data;
698 
699 	write_vreg(vgpu, offset, p_data, bytes);
700 
701 	index = DP_TP_CTL_TO_PORT(offset);
702 	data = (vgpu_vreg(vgpu, offset) & GENMASK(10, 8)) >> 8;
703 	if (data == 0x2) {
704 		status_reg = DP_TP_STATUS(index);
705 		vgpu_vreg_t(vgpu, status_reg) |= (1 << 25);
706 	}
707 	return 0;
708 }
709 
710 static int dp_tp_status_mmio_write(struct intel_vgpu *vgpu,
711 		unsigned int offset, void *p_data, unsigned int bytes)
712 {
713 	u32 reg_val;
714 	u32 sticky_mask;
715 
716 	reg_val = *((u32 *)p_data);
717 	sticky_mask = GENMASK(27, 26) | (1 << 24);
718 
719 	vgpu_vreg(vgpu, offset) = (reg_val & ~sticky_mask) |
720 		(vgpu_vreg(vgpu, offset) & sticky_mask);
721 	vgpu_vreg(vgpu, offset) &= ~(reg_val & sticky_mask);
722 	return 0;
723 }
724 
725 static int pch_adpa_mmio_write(struct intel_vgpu *vgpu,
726 		unsigned int offset, void *p_data, unsigned int bytes)
727 {
728 	u32 data;
729 
730 	write_vreg(vgpu, offset, p_data, bytes);
731 	data = vgpu_vreg(vgpu, offset);
732 
733 	if (data & ADPA_CRT_HOTPLUG_FORCE_TRIGGER)
734 		vgpu_vreg(vgpu, offset) &= ~ADPA_CRT_HOTPLUG_FORCE_TRIGGER;
735 	return 0;
736 }
737 
738 static int south_chicken2_mmio_write(struct intel_vgpu *vgpu,
739 		unsigned int offset, void *p_data, unsigned int bytes)
740 {
741 	u32 data;
742 
743 	write_vreg(vgpu, offset, p_data, bytes);
744 	data = vgpu_vreg(vgpu, offset);
745 
746 	if (data & FDI_MPHY_IOSFSB_RESET_CTL)
747 		vgpu_vreg(vgpu, offset) |= FDI_MPHY_IOSFSB_RESET_STATUS;
748 	else
749 		vgpu_vreg(vgpu, offset) &= ~FDI_MPHY_IOSFSB_RESET_STATUS;
750 	return 0;
751 }
752 
753 #define DSPSURF_TO_PIPE(offset) \
754 	calc_index(offset, _DSPASURF, _DSPBSURF, 0, DSPSURF(PIPE_C))
755 
756 static int pri_surf_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
757 		void *p_data, unsigned int bytes)
758 {
759 	struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv;
760 	u32 pipe = DSPSURF_TO_PIPE(offset);
761 	int event = SKL_FLIP_EVENT(pipe, PLANE_PRIMARY);
762 
763 	write_vreg(vgpu, offset, p_data, bytes);
764 	vgpu_vreg_t(vgpu, DSPSURFLIVE(pipe)) = vgpu_vreg(vgpu, offset);
765 
766 	vgpu_vreg_t(vgpu, PIPE_FLIPCOUNT_G4X(pipe))++;
767 
768 	if (vgpu_vreg_t(vgpu, DSPCNTR(pipe)) & PLANE_CTL_ASYNC_FLIP)
769 		intel_vgpu_trigger_virtual_event(vgpu, event);
770 	else
771 		set_bit(event, vgpu->irq.flip_done_event[pipe]);
772 
773 	return 0;
774 }
775 
776 #define SPRSURF_TO_PIPE(offset) \
777 	calc_index(offset, _SPRA_SURF, _SPRB_SURF, 0, SPRSURF(PIPE_C))
778 
779 static int spr_surf_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
780 		void *p_data, unsigned int bytes)
781 {
782 	u32 pipe = SPRSURF_TO_PIPE(offset);
783 	int event = SKL_FLIP_EVENT(pipe, PLANE_SPRITE0);
784 
785 	write_vreg(vgpu, offset, p_data, bytes);
786 	vgpu_vreg_t(vgpu, SPRSURFLIVE(pipe)) = vgpu_vreg(vgpu, offset);
787 
788 	if (vgpu_vreg_t(vgpu, SPRCTL(pipe)) & PLANE_CTL_ASYNC_FLIP)
789 		intel_vgpu_trigger_virtual_event(vgpu, event);
790 	else
791 		set_bit(event, vgpu->irq.flip_done_event[pipe]);
792 
793 	return 0;
794 }
795 
796 static int reg50080_mmio_write(struct intel_vgpu *vgpu,
797 			       unsigned int offset, void *p_data,
798 			       unsigned int bytes)
799 {
800 	struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv;
801 	enum pipe pipe = REG_50080_TO_PIPE(offset);
802 	enum plane_id plane = REG_50080_TO_PLANE(offset);
803 	int event = SKL_FLIP_EVENT(pipe, plane);
804 
805 	write_vreg(vgpu, offset, p_data, bytes);
806 	if (plane == PLANE_PRIMARY) {
807 		vgpu_vreg_t(vgpu, DSPSURFLIVE(pipe)) = vgpu_vreg(vgpu, offset);
808 		vgpu_vreg_t(vgpu, PIPE_FLIPCOUNT_G4X(pipe))++;
809 	} else {
810 		vgpu_vreg_t(vgpu, SPRSURFLIVE(pipe)) = vgpu_vreg(vgpu, offset);
811 	}
812 
813 	if ((vgpu_vreg(vgpu, offset) & REG50080_FLIP_TYPE_MASK) == REG50080_FLIP_TYPE_ASYNC)
814 		intel_vgpu_trigger_virtual_event(vgpu, event);
815 	else
816 		set_bit(event, vgpu->irq.flip_done_event[pipe]);
817 
818 	return 0;
819 }
820 
821 static int trigger_aux_channel_interrupt(struct intel_vgpu *vgpu,
822 		unsigned int reg)
823 {
824 	struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv;
825 	enum intel_gvt_event_type event;
826 
827 	if (reg == i915_mmio_reg_offset(DP_AUX_CH_CTL(AUX_CH_A)))
828 		event = AUX_CHANNEL_A;
829 	else if (reg == _PCH_DPB_AUX_CH_CTL ||
830 		 reg == i915_mmio_reg_offset(DP_AUX_CH_CTL(AUX_CH_B)))
831 		event = AUX_CHANNEL_B;
832 	else if (reg == _PCH_DPC_AUX_CH_CTL ||
833 		 reg == i915_mmio_reg_offset(DP_AUX_CH_CTL(AUX_CH_C)))
834 		event = AUX_CHANNEL_C;
835 	else if (reg == _PCH_DPD_AUX_CH_CTL ||
836 		 reg == i915_mmio_reg_offset(DP_AUX_CH_CTL(AUX_CH_D)))
837 		event = AUX_CHANNEL_D;
838 	else {
839 		WARN_ON(true);
840 		return -EINVAL;
841 	}
842 
843 	intel_vgpu_trigger_virtual_event(vgpu, event);
844 	return 0;
845 }
846 
847 static int dp_aux_ch_ctl_trans_done(struct intel_vgpu *vgpu, u32 value,
848 		unsigned int reg, int len, bool data_valid)
849 {
850 	/* mark transaction done */
851 	value |= DP_AUX_CH_CTL_DONE;
852 	value &= ~DP_AUX_CH_CTL_SEND_BUSY;
853 	value &= ~DP_AUX_CH_CTL_RECEIVE_ERROR;
854 
855 	if (data_valid)
856 		value &= ~DP_AUX_CH_CTL_TIME_OUT_ERROR;
857 	else
858 		value |= DP_AUX_CH_CTL_TIME_OUT_ERROR;
859 
860 	/* message size */
861 	value &= ~(0xf << 20);
862 	value |= (len << 20);
863 	vgpu_vreg(vgpu, reg) = value;
864 
865 	if (value & DP_AUX_CH_CTL_INTERRUPT)
866 		return trigger_aux_channel_interrupt(vgpu, reg);
867 	return 0;
868 }
869 
870 static void dp_aux_ch_ctl_link_training(struct intel_vgpu_dpcd_data *dpcd,
871 		u8 t)
872 {
873 	if ((t & DPCD_TRAINING_PATTERN_SET_MASK) == DPCD_TRAINING_PATTERN_1) {
874 		/* training pattern 1 for CR */
875 		/* set LANE0_CR_DONE, LANE1_CR_DONE */
876 		dpcd->data[DPCD_LANE0_1_STATUS] |= DPCD_LANES_CR_DONE;
877 		/* set LANE2_CR_DONE, LANE3_CR_DONE */
878 		dpcd->data[DPCD_LANE2_3_STATUS] |= DPCD_LANES_CR_DONE;
879 	} else if ((t & DPCD_TRAINING_PATTERN_SET_MASK) ==
880 			DPCD_TRAINING_PATTERN_2) {
881 		/* training pattern 2 for EQ */
882 		/* Set CHANNEL_EQ_DONE and  SYMBOL_LOCKED for Lane0_1 */
883 		dpcd->data[DPCD_LANE0_1_STATUS] |= DPCD_LANES_EQ_DONE;
884 		dpcd->data[DPCD_LANE0_1_STATUS] |= DPCD_SYMBOL_LOCKED;
885 		/* Set CHANNEL_EQ_DONE and  SYMBOL_LOCKED for Lane2_3 */
886 		dpcd->data[DPCD_LANE2_3_STATUS] |= DPCD_LANES_EQ_DONE;
887 		dpcd->data[DPCD_LANE2_3_STATUS] |= DPCD_SYMBOL_LOCKED;
888 		/* set INTERLANE_ALIGN_DONE */
889 		dpcd->data[DPCD_LANE_ALIGN_STATUS_UPDATED] |=
890 			DPCD_INTERLANE_ALIGN_DONE;
891 	} else if ((t & DPCD_TRAINING_PATTERN_SET_MASK) ==
892 			DPCD_LINK_TRAINING_DISABLED) {
893 		/* finish link training */
894 		/* set sink status as synchronized */
895 		dpcd->data[DPCD_SINK_STATUS] = DPCD_SINK_IN_SYNC;
896 	}
897 }
898 
899 #define _REG_HSW_DP_AUX_CH_CTL(dp) \
900 	((dp) ? (_PCH_DPB_AUX_CH_CTL + ((dp)-1)*0x100) : 0x64010)
901 
902 #define _REG_SKL_DP_AUX_CH_CTL(dp) (0x64010 + (dp) * 0x100)
903 
904 #define OFFSET_TO_DP_AUX_PORT(offset) (((offset) & 0xF00) >> 8)
905 
906 #define dpy_is_valid_port(port)	\
907 		(((port) >= PORT_A) && ((port) < I915_MAX_PORTS))
908 
909 static int dp_aux_ch_ctl_mmio_write(struct intel_vgpu *vgpu,
910 		unsigned int offset, void *p_data, unsigned int bytes)
911 {
912 	struct intel_vgpu_display *display = &vgpu->display;
913 	int msg, addr, ctrl, op, len;
914 	int port_index = OFFSET_TO_DP_AUX_PORT(offset);
915 	struct intel_vgpu_dpcd_data *dpcd = NULL;
916 	struct intel_vgpu_port *port = NULL;
917 	u32 data;
918 
919 	if (!dpy_is_valid_port(port_index)) {
920 		gvt_vgpu_err("Unsupported DP port access!\n");
921 		return 0;
922 	}
923 
924 	write_vreg(vgpu, offset, p_data, bytes);
925 	data = vgpu_vreg(vgpu, offset);
926 
927 	if ((INTEL_GEN(vgpu->gvt->dev_priv) >= 9)
928 		&& offset != _REG_SKL_DP_AUX_CH_CTL(port_index)) {
929 		/* SKL DPB/C/D aux ctl register changed */
930 		return 0;
931 	} else if (IS_BROADWELL(vgpu->gvt->dev_priv) &&
932 		   offset != _REG_HSW_DP_AUX_CH_CTL(port_index)) {
933 		/* write to the data registers */
934 		return 0;
935 	}
936 
937 	if (!(data & DP_AUX_CH_CTL_SEND_BUSY)) {
938 		/* just want to clear the sticky bits */
939 		vgpu_vreg(vgpu, offset) = 0;
940 		return 0;
941 	}
942 
943 	port = &display->ports[port_index];
944 	dpcd = port->dpcd;
945 
946 	/* read out message from DATA1 register */
947 	msg = vgpu_vreg(vgpu, offset + 4);
948 	addr = (msg >> 8) & 0xffff;
949 	ctrl = (msg >> 24) & 0xff;
950 	len = msg & 0xff;
951 	op = ctrl >> 4;
952 
953 	if (op == GVT_AUX_NATIVE_WRITE) {
954 		int t;
955 		u8 buf[16];
956 
957 		if ((addr + len + 1) >= DPCD_SIZE) {
958 			/*
959 			 * Write request exceeds what we supported,
960 			 * DCPD spec: When a Source Device is writing a DPCD
961 			 * address not supported by the Sink Device, the Sink
962 			 * Device shall reply with AUX NACK and “M” equal to
963 			 * zero.
964 			 */
965 
966 			/* NAK the write */
967 			vgpu_vreg(vgpu, offset + 4) = AUX_NATIVE_REPLY_NAK;
968 			dp_aux_ch_ctl_trans_done(vgpu, data, offset, 2, true);
969 			return 0;
970 		}
971 
972 		/*
973 		 * Write request format: Headr (command + address + size) occupies
974 		 * 4 bytes, followed by (len + 1) bytes of data. See details at
975 		 * intel_dp_aux_transfer().
976 		 */
977 		if ((len + 1 + 4) > AUX_BURST_SIZE) {
978 			gvt_vgpu_err("dp_aux_header: len %d is too large\n", len);
979 			return -EINVAL;
980 		}
981 
982 		/* unpack data from vreg to buf */
983 		for (t = 0; t < 4; t++) {
984 			u32 r = vgpu_vreg(vgpu, offset + 8 + t * 4);
985 
986 			buf[t * 4] = (r >> 24) & 0xff;
987 			buf[t * 4 + 1] = (r >> 16) & 0xff;
988 			buf[t * 4 + 2] = (r >> 8) & 0xff;
989 			buf[t * 4 + 3] = r & 0xff;
990 		}
991 
992 		/* write to virtual DPCD */
993 		if (dpcd && dpcd->data_valid) {
994 			for (t = 0; t <= len; t++) {
995 				int p = addr + t;
996 
997 				dpcd->data[p] = buf[t];
998 				/* check for link training */
999 				if (p == DPCD_TRAINING_PATTERN_SET)
1000 					dp_aux_ch_ctl_link_training(dpcd,
1001 							buf[t]);
1002 			}
1003 		}
1004 
1005 		/* ACK the write */
1006 		vgpu_vreg(vgpu, offset + 4) = 0;
1007 		dp_aux_ch_ctl_trans_done(vgpu, data, offset, 1,
1008 				dpcd && dpcd->data_valid);
1009 		return 0;
1010 	}
1011 
1012 	if (op == GVT_AUX_NATIVE_READ) {
1013 		int idx, i, ret = 0;
1014 
1015 		if ((addr + len + 1) >= DPCD_SIZE) {
1016 			/*
1017 			 * read request exceeds what we supported
1018 			 * DPCD spec: A Sink Device receiving a Native AUX CH
1019 			 * read request for an unsupported DPCD address must
1020 			 * reply with an AUX ACK and read data set equal to
1021 			 * zero instead of replying with AUX NACK.
1022 			 */
1023 
1024 			/* ACK the READ*/
1025 			vgpu_vreg(vgpu, offset + 4) = 0;
1026 			vgpu_vreg(vgpu, offset + 8) = 0;
1027 			vgpu_vreg(vgpu, offset + 12) = 0;
1028 			vgpu_vreg(vgpu, offset + 16) = 0;
1029 			vgpu_vreg(vgpu, offset + 20) = 0;
1030 
1031 			dp_aux_ch_ctl_trans_done(vgpu, data, offset, len + 2,
1032 					true);
1033 			return 0;
1034 		}
1035 
1036 		for (idx = 1; idx <= 5; idx++) {
1037 			/* clear the data registers */
1038 			vgpu_vreg(vgpu, offset + 4 * idx) = 0;
1039 		}
1040 
1041 		/*
1042 		 * Read reply format: ACK (1 byte) plus (len + 1) bytes of data.
1043 		 */
1044 		if ((len + 2) > AUX_BURST_SIZE) {
1045 			gvt_vgpu_err("dp_aux_header: len %d is too large\n", len);
1046 			return -EINVAL;
1047 		}
1048 
1049 		/* read from virtual DPCD to vreg */
1050 		/* first 4 bytes: [ACK][addr][addr+1][addr+2] */
1051 		if (dpcd && dpcd->data_valid) {
1052 			for (i = 1; i <= (len + 1); i++) {
1053 				int t;
1054 
1055 				t = dpcd->data[addr + i - 1];
1056 				t <<= (24 - 8 * (i % 4));
1057 				ret |= t;
1058 
1059 				if ((i % 4 == 3) || (i == (len + 1))) {
1060 					vgpu_vreg(vgpu, offset +
1061 							(i / 4 + 1) * 4) = ret;
1062 					ret = 0;
1063 				}
1064 			}
1065 		}
1066 		dp_aux_ch_ctl_trans_done(vgpu, data, offset, len + 2,
1067 				dpcd && dpcd->data_valid);
1068 		return 0;
1069 	}
1070 
1071 	/* i2c transaction starts */
1072 	intel_gvt_i2c_handle_aux_ch_write(vgpu, port_index, offset, p_data);
1073 
1074 	if (data & DP_AUX_CH_CTL_INTERRUPT)
1075 		trigger_aux_channel_interrupt(vgpu, offset);
1076 	return 0;
1077 }
1078 
1079 static int mbctl_write(struct intel_vgpu *vgpu, unsigned int offset,
1080 		void *p_data, unsigned int bytes)
1081 {
1082 	*(u32 *)p_data &= (~GEN6_MBCTL_ENABLE_BOOT_FETCH);
1083 	write_vreg(vgpu, offset, p_data, bytes);
1084 	return 0;
1085 }
1086 
1087 static int vga_control_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
1088 		void *p_data, unsigned int bytes)
1089 {
1090 	bool vga_disable;
1091 
1092 	write_vreg(vgpu, offset, p_data, bytes);
1093 	vga_disable = vgpu_vreg(vgpu, offset) & VGA_DISP_DISABLE;
1094 
1095 	gvt_dbg_core("vgpu%d: %s VGA mode\n", vgpu->id,
1096 			vga_disable ? "Disable" : "Enable");
1097 	return 0;
1098 }
1099 
1100 static u32 read_virtual_sbi_register(struct intel_vgpu *vgpu,
1101 		unsigned int sbi_offset)
1102 {
1103 	struct intel_vgpu_display *display = &vgpu->display;
1104 	int num = display->sbi.number;
1105 	int i;
1106 
1107 	for (i = 0; i < num; ++i)
1108 		if (display->sbi.registers[i].offset == sbi_offset)
1109 			break;
1110 
1111 	if (i == num)
1112 		return 0;
1113 
1114 	return display->sbi.registers[i].value;
1115 }
1116 
1117 static void write_virtual_sbi_register(struct intel_vgpu *vgpu,
1118 		unsigned int offset, u32 value)
1119 {
1120 	struct intel_vgpu_display *display = &vgpu->display;
1121 	int num = display->sbi.number;
1122 	int i;
1123 
1124 	for (i = 0; i < num; ++i) {
1125 		if (display->sbi.registers[i].offset == offset)
1126 			break;
1127 	}
1128 
1129 	if (i == num) {
1130 		if (num == SBI_REG_MAX) {
1131 			gvt_vgpu_err("SBI caching meets maximum limits\n");
1132 			return;
1133 		}
1134 		display->sbi.number++;
1135 	}
1136 
1137 	display->sbi.registers[i].offset = offset;
1138 	display->sbi.registers[i].value = value;
1139 }
1140 
1141 static int sbi_data_mmio_read(struct intel_vgpu *vgpu, unsigned int offset,
1142 		void *p_data, unsigned int bytes)
1143 {
1144 	if (((vgpu_vreg_t(vgpu, SBI_CTL_STAT) & SBI_OPCODE_MASK) >>
1145 				SBI_OPCODE_SHIFT) == SBI_CMD_CRRD) {
1146 		unsigned int sbi_offset = (vgpu_vreg_t(vgpu, SBI_ADDR) &
1147 				SBI_ADDR_OFFSET_MASK) >> SBI_ADDR_OFFSET_SHIFT;
1148 		vgpu_vreg(vgpu, offset) = read_virtual_sbi_register(vgpu,
1149 				sbi_offset);
1150 	}
1151 	read_vreg(vgpu, offset, p_data, bytes);
1152 	return 0;
1153 }
1154 
1155 static int sbi_ctl_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
1156 		void *p_data, unsigned int bytes)
1157 {
1158 	u32 data;
1159 
1160 	write_vreg(vgpu, offset, p_data, bytes);
1161 	data = vgpu_vreg(vgpu, offset);
1162 
1163 	data &= ~(SBI_STAT_MASK << SBI_STAT_SHIFT);
1164 	data |= SBI_READY;
1165 
1166 	data &= ~(SBI_RESPONSE_MASK << SBI_RESPONSE_SHIFT);
1167 	data |= SBI_RESPONSE_SUCCESS;
1168 
1169 	vgpu_vreg(vgpu, offset) = data;
1170 
1171 	if (((vgpu_vreg_t(vgpu, SBI_CTL_STAT) & SBI_OPCODE_MASK) >>
1172 				SBI_OPCODE_SHIFT) == SBI_CMD_CRWR) {
1173 		unsigned int sbi_offset = (vgpu_vreg_t(vgpu, SBI_ADDR) &
1174 				SBI_ADDR_OFFSET_MASK) >> SBI_ADDR_OFFSET_SHIFT;
1175 
1176 		write_virtual_sbi_register(vgpu, sbi_offset,
1177 					   vgpu_vreg_t(vgpu, SBI_DATA));
1178 	}
1179 	return 0;
1180 }
1181 
1182 #define _vgtif_reg(x) \
1183 	(VGT_PVINFO_PAGE + offsetof(struct vgt_if, x))
1184 
1185 static int pvinfo_mmio_read(struct intel_vgpu *vgpu, unsigned int offset,
1186 		void *p_data, unsigned int bytes)
1187 {
1188 	bool invalid_read = false;
1189 
1190 	read_vreg(vgpu, offset, p_data, bytes);
1191 
1192 	switch (offset) {
1193 	case _vgtif_reg(magic) ... _vgtif_reg(vgt_id):
1194 		if (offset + bytes > _vgtif_reg(vgt_id) + 4)
1195 			invalid_read = true;
1196 		break;
1197 	case _vgtif_reg(avail_rs.mappable_gmadr.base) ...
1198 		_vgtif_reg(avail_rs.fence_num):
1199 		if (offset + bytes >
1200 			_vgtif_reg(avail_rs.fence_num) + 4)
1201 			invalid_read = true;
1202 		break;
1203 	case 0x78010:	/* vgt_caps */
1204 	case 0x7881c:
1205 		break;
1206 	default:
1207 		invalid_read = true;
1208 		break;
1209 	}
1210 	if (invalid_read)
1211 		gvt_vgpu_err("invalid pvinfo read: [%x:%x] = %x\n",
1212 				offset, bytes, *(u32 *)p_data);
1213 	vgpu->pv_notified = true;
1214 	return 0;
1215 }
1216 
1217 static int handle_g2v_notification(struct intel_vgpu *vgpu, int notification)
1218 {
1219 	enum intel_gvt_gtt_type root_entry_type = GTT_TYPE_PPGTT_ROOT_L4_ENTRY;
1220 	struct intel_vgpu_mm *mm;
1221 	u64 *pdps;
1222 
1223 	pdps = (u64 *)&vgpu_vreg64_t(vgpu, vgtif_reg(pdp[0]));
1224 
1225 	switch (notification) {
1226 	case VGT_G2V_PPGTT_L3_PAGE_TABLE_CREATE:
1227 		root_entry_type = GTT_TYPE_PPGTT_ROOT_L3_ENTRY;
1228 		/* fall through */
1229 	case VGT_G2V_PPGTT_L4_PAGE_TABLE_CREATE:
1230 		mm = intel_vgpu_get_ppgtt_mm(vgpu, root_entry_type, pdps);
1231 		return PTR_ERR_OR_ZERO(mm);
1232 	case VGT_G2V_PPGTT_L3_PAGE_TABLE_DESTROY:
1233 	case VGT_G2V_PPGTT_L4_PAGE_TABLE_DESTROY:
1234 		return intel_vgpu_put_ppgtt_mm(vgpu, pdps);
1235 	case VGT_G2V_EXECLIST_CONTEXT_CREATE:
1236 	case VGT_G2V_EXECLIST_CONTEXT_DESTROY:
1237 	case 1:	/* Remove this in guest driver. */
1238 		break;
1239 	default:
1240 		gvt_vgpu_err("Invalid PV notification %d\n", notification);
1241 	}
1242 	return 0;
1243 }
1244 
1245 static int send_display_ready_uevent(struct intel_vgpu *vgpu, int ready)
1246 {
1247 	struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv;
1248 	struct kobject *kobj = &dev_priv->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 	u32 val = *(u32 *)p_data;
1310 
1311 	if ((offset == _PS_1A_CTRL || offset == _PS_2A_CTRL ||
1312 	   offset == _PS_1B_CTRL || offset == _PS_2B_CTRL ||
1313 	   offset == _PS_1C_CTRL) && (val & PS_PLANE_SEL_MASK) != 0) {
1314 		WARN_ONCE(true, "VM(%d): guest is trying to scaling a plane\n",
1315 			  vgpu->id);
1316 		return 0;
1317 	}
1318 
1319 	return intel_vgpu_default_mmio_write(vgpu, offset, p_data, bytes);
1320 }
1321 
1322 static int power_well_ctl_mmio_write(struct intel_vgpu *vgpu,
1323 		unsigned int offset, void *p_data, unsigned int bytes)
1324 {
1325 	write_vreg(vgpu, offset, p_data, bytes);
1326 
1327 	if (vgpu_vreg(vgpu, offset) &
1328 	    HSW_PWR_WELL_CTL_REQ(HSW_PW_CTL_IDX_GLOBAL))
1329 		vgpu_vreg(vgpu, offset) |=
1330 			HSW_PWR_WELL_CTL_STATE(HSW_PW_CTL_IDX_GLOBAL);
1331 	else
1332 		vgpu_vreg(vgpu, offset) &=
1333 			~HSW_PWR_WELL_CTL_STATE(HSW_PW_CTL_IDX_GLOBAL);
1334 	return 0;
1335 }
1336 
1337 static int gen9_dbuf_ctl_mmio_write(struct intel_vgpu *vgpu,
1338 		unsigned int offset, void *p_data, unsigned int bytes)
1339 {
1340 	write_vreg(vgpu, offset, p_data, bytes);
1341 
1342 	if (vgpu_vreg(vgpu, offset) & DBUF_POWER_REQUEST)
1343 		vgpu_vreg(vgpu, offset) |= DBUF_POWER_STATE;
1344 	else
1345 		vgpu_vreg(vgpu, offset) &= ~DBUF_POWER_STATE;
1346 
1347 	return 0;
1348 }
1349 
1350 static int fpga_dbg_mmio_write(struct intel_vgpu *vgpu,
1351 	unsigned int offset, void *p_data, unsigned int bytes)
1352 {
1353 	write_vreg(vgpu, offset, p_data, bytes);
1354 
1355 	if (vgpu_vreg(vgpu, offset) & FPGA_DBG_RM_NOCLAIM)
1356 		vgpu_vreg(vgpu, offset) &= ~FPGA_DBG_RM_NOCLAIM;
1357 	return 0;
1358 }
1359 
1360 static int dma_ctrl_write(struct intel_vgpu *vgpu, unsigned int offset,
1361 		void *p_data, unsigned int bytes)
1362 {
1363 	u32 mode;
1364 
1365 	write_vreg(vgpu, offset, p_data, bytes);
1366 	mode = vgpu_vreg(vgpu, offset);
1367 
1368 	if (GFX_MODE_BIT_SET_IN_MASK(mode, START_DMA)) {
1369 		WARN_ONCE(1, "VM(%d): iGVT-g doesn't support GuC\n",
1370 				vgpu->id);
1371 		return 0;
1372 	}
1373 
1374 	return 0;
1375 }
1376 
1377 static int gen9_trtte_write(struct intel_vgpu *vgpu, unsigned int offset,
1378 		void *p_data, unsigned int bytes)
1379 {
1380 	u32 trtte = *(u32 *)p_data;
1381 
1382 	if ((trtte & 1) && (trtte & (1 << 1)) == 0) {
1383 		WARN(1, "VM(%d): Use physical address for TRTT!\n",
1384 				vgpu->id);
1385 		return -EINVAL;
1386 	}
1387 	write_vreg(vgpu, offset, p_data, bytes);
1388 
1389 	return 0;
1390 }
1391 
1392 static int gen9_trtt_chicken_write(struct intel_vgpu *vgpu, unsigned int offset,
1393 		void *p_data, unsigned int bytes)
1394 {
1395 	write_vreg(vgpu, offset, p_data, bytes);
1396 	return 0;
1397 }
1398 
1399 static int dpll_status_read(struct intel_vgpu *vgpu, unsigned int offset,
1400 		void *p_data, unsigned int bytes)
1401 {
1402 	u32 v = 0;
1403 
1404 	if (vgpu_vreg(vgpu, 0x46010) & (1 << 31))
1405 		v |= (1 << 0);
1406 
1407 	if (vgpu_vreg(vgpu, 0x46014) & (1 << 31))
1408 		v |= (1 << 8);
1409 
1410 	if (vgpu_vreg(vgpu, 0x46040) & (1 << 31))
1411 		v |= (1 << 16);
1412 
1413 	if (vgpu_vreg(vgpu, 0x46060) & (1 << 31))
1414 		v |= (1 << 24);
1415 
1416 	vgpu_vreg(vgpu, offset) = v;
1417 
1418 	return intel_vgpu_default_mmio_read(vgpu, offset, p_data, bytes);
1419 }
1420 
1421 static int mailbox_write(struct intel_vgpu *vgpu, unsigned int offset,
1422 		void *p_data, unsigned int bytes)
1423 {
1424 	u32 value = *(u32 *)p_data;
1425 	u32 cmd = value & 0xff;
1426 	u32 *data0 = &vgpu_vreg_t(vgpu, GEN6_PCODE_DATA);
1427 
1428 	switch (cmd) {
1429 	case GEN9_PCODE_READ_MEM_LATENCY:
1430 		if (IS_SKYLAKE(vgpu->gvt->dev_priv)
1431 			 || IS_KABYLAKE(vgpu->gvt->dev_priv)
1432 			 || IS_COFFEELAKE(vgpu->gvt->dev_priv)) {
1433 			/**
1434 			 * "Read memory latency" command on gen9.
1435 			 * Below memory latency values are read
1436 			 * from skylake platform.
1437 			 */
1438 			if (!*data0)
1439 				*data0 = 0x1e1a1100;
1440 			else
1441 				*data0 = 0x61514b3d;
1442 		} else if (IS_BROXTON(vgpu->gvt->dev_priv)) {
1443 			/**
1444 			 * "Read memory latency" command on gen9.
1445 			 * Below memory latency values are read
1446 			 * from Broxton MRB.
1447 			 */
1448 			if (!*data0)
1449 				*data0 = 0x16080707;
1450 			else
1451 				*data0 = 0x16161616;
1452 		}
1453 		break;
1454 	case SKL_PCODE_CDCLK_CONTROL:
1455 		if (IS_SKYLAKE(vgpu->gvt->dev_priv)
1456 			 || IS_KABYLAKE(vgpu->gvt->dev_priv)
1457 			 || IS_COFFEELAKE(vgpu->gvt->dev_priv))
1458 			*data0 = SKL_CDCLK_READY_FOR_CHANGE;
1459 		break;
1460 	case GEN6_PCODE_READ_RC6VIDS:
1461 		*data0 |= 0x1;
1462 		break;
1463 	}
1464 
1465 	gvt_dbg_core("VM(%d) write %x to mailbox, return data0 %x\n",
1466 		     vgpu->id, value, *data0);
1467 	/**
1468 	 * PCODE_READY clear means ready for pcode read/write,
1469 	 * PCODE_ERROR_MASK clear means no error happened. In GVT-g we
1470 	 * always emulate as pcode read/write success and ready for access
1471 	 * anytime, since we don't touch real physical registers here.
1472 	 */
1473 	value &= ~(GEN6_PCODE_READY | GEN6_PCODE_ERROR_MASK);
1474 	return intel_vgpu_default_mmio_write(vgpu, offset, &value, bytes);
1475 }
1476 
1477 static int hws_pga_write(struct intel_vgpu *vgpu, unsigned int offset,
1478 		void *p_data, unsigned int bytes)
1479 {
1480 	u32 value = *(u32 *)p_data;
1481 	int ring_id = intel_gvt_render_mmio_to_ring_id(vgpu->gvt, offset);
1482 
1483 	if (!intel_gvt_ggtt_validate_range(vgpu, value, I915_GTT_PAGE_SIZE)) {
1484 		gvt_vgpu_err("write invalid HWSP address, reg:0x%x, value:0x%x\n",
1485 			      offset, value);
1486 		return -EINVAL;
1487 	}
1488 	/*
1489 	 * Need to emulate all the HWSP register write to ensure host can
1490 	 * update the VM CSB status correctly. Here listed registers can
1491 	 * support BDW, SKL or other platforms with same HWSP registers.
1492 	 */
1493 	if (unlikely(ring_id < 0 || ring_id >= I915_NUM_ENGINES)) {
1494 		gvt_vgpu_err("access unknown hardware status page register:0x%x\n",
1495 			     offset);
1496 		return -EINVAL;
1497 	}
1498 	vgpu->hws_pga[ring_id] = value;
1499 	gvt_dbg_mmio("VM(%d) write: 0x%x to HWSP: 0x%x\n",
1500 		     vgpu->id, value, offset);
1501 
1502 	return intel_vgpu_default_mmio_write(vgpu, offset, &value, bytes);
1503 }
1504 
1505 static int skl_power_well_ctl_write(struct intel_vgpu *vgpu,
1506 		unsigned int offset, void *p_data, unsigned int bytes)
1507 {
1508 	u32 v = *(u32 *)p_data;
1509 
1510 	if (IS_BROXTON(vgpu->gvt->dev_priv))
1511 		v &= (1 << 31) | (1 << 29);
1512 	else
1513 		v &= (1 << 31) | (1 << 29) | (1 << 9) |
1514 			(1 << 7) | (1 << 5) | (1 << 3) | (1 << 1);
1515 	v |= (v >> 1);
1516 
1517 	return intel_vgpu_default_mmio_write(vgpu, offset, &v, bytes);
1518 }
1519 
1520 static int skl_lcpll_write(struct intel_vgpu *vgpu, unsigned int offset,
1521 		void *p_data, unsigned int bytes)
1522 {
1523 	u32 v = *(u32 *)p_data;
1524 
1525 	/* other bits are MBZ. */
1526 	v &= (1 << 31) | (1 << 30);
1527 	v & (1 << 31) ? (v |= (1 << 30)) : (v &= ~(1 << 30));
1528 
1529 	vgpu_vreg(vgpu, offset) = v;
1530 
1531 	return 0;
1532 }
1533 
1534 static int bxt_de_pll_enable_write(struct intel_vgpu *vgpu,
1535 		unsigned int offset, void *p_data, unsigned int bytes)
1536 {
1537 	u32 v = *(u32 *)p_data;
1538 
1539 	if (v & BXT_DE_PLL_PLL_ENABLE)
1540 		v |= BXT_DE_PLL_LOCK;
1541 
1542 	vgpu_vreg(vgpu, offset) = v;
1543 
1544 	return 0;
1545 }
1546 
1547 static int bxt_port_pll_enable_write(struct intel_vgpu *vgpu,
1548 		unsigned int offset, void *p_data, unsigned int bytes)
1549 {
1550 	u32 v = *(u32 *)p_data;
1551 
1552 	if (v & PORT_PLL_ENABLE)
1553 		v |= PORT_PLL_LOCK;
1554 
1555 	vgpu_vreg(vgpu, offset) = v;
1556 
1557 	return 0;
1558 }
1559 
1560 static int bxt_phy_ctl_family_write(struct intel_vgpu *vgpu,
1561 		unsigned int offset, void *p_data, unsigned int bytes)
1562 {
1563 	u32 v = *(u32 *)p_data;
1564 	u32 data = v & COMMON_RESET_DIS ? BXT_PHY_LANE_ENABLED : 0;
1565 
1566 	switch (offset) {
1567 	case _PHY_CTL_FAMILY_EDP:
1568 		vgpu_vreg(vgpu, _BXT_PHY_CTL_DDI_A) = data;
1569 		break;
1570 	case _PHY_CTL_FAMILY_DDI:
1571 		vgpu_vreg(vgpu, _BXT_PHY_CTL_DDI_B) = data;
1572 		vgpu_vreg(vgpu, _BXT_PHY_CTL_DDI_C) = data;
1573 		break;
1574 	}
1575 
1576 	vgpu_vreg(vgpu, offset) = v;
1577 
1578 	return 0;
1579 }
1580 
1581 static int bxt_port_tx_dw3_read(struct intel_vgpu *vgpu,
1582 		unsigned int offset, void *p_data, unsigned int bytes)
1583 {
1584 	u32 v = vgpu_vreg(vgpu, offset);
1585 
1586 	v &= ~UNIQUE_TRANGE_EN_METHOD;
1587 
1588 	vgpu_vreg(vgpu, offset) = v;
1589 
1590 	return intel_vgpu_default_mmio_read(vgpu, offset, p_data, bytes);
1591 }
1592 
1593 static int bxt_pcs_dw12_grp_write(struct intel_vgpu *vgpu,
1594 		unsigned int offset, void *p_data, unsigned int bytes)
1595 {
1596 	u32 v = *(u32 *)p_data;
1597 
1598 	if (offset == _PORT_PCS_DW12_GRP_A || offset == _PORT_PCS_DW12_GRP_B) {
1599 		vgpu_vreg(vgpu, offset - 0x600) = v;
1600 		vgpu_vreg(vgpu, offset - 0x800) = v;
1601 	} else {
1602 		vgpu_vreg(vgpu, offset - 0x400) = v;
1603 		vgpu_vreg(vgpu, offset - 0x600) = v;
1604 	}
1605 
1606 	vgpu_vreg(vgpu, offset) = v;
1607 
1608 	return 0;
1609 }
1610 
1611 static int bxt_gt_disp_pwron_write(struct intel_vgpu *vgpu,
1612 		unsigned int offset, void *p_data, unsigned int bytes)
1613 {
1614 	u32 v = *(u32 *)p_data;
1615 
1616 	if (v & BIT(0)) {
1617 		vgpu_vreg_t(vgpu, BXT_PORT_CL1CM_DW0(DPIO_PHY0)) &=
1618 			~PHY_RESERVED;
1619 		vgpu_vreg_t(vgpu, BXT_PORT_CL1CM_DW0(DPIO_PHY0)) |=
1620 			PHY_POWER_GOOD;
1621 	}
1622 
1623 	if (v & BIT(1)) {
1624 		vgpu_vreg_t(vgpu, BXT_PORT_CL1CM_DW0(DPIO_PHY1)) &=
1625 			~PHY_RESERVED;
1626 		vgpu_vreg_t(vgpu, BXT_PORT_CL1CM_DW0(DPIO_PHY1)) |=
1627 			PHY_POWER_GOOD;
1628 	}
1629 
1630 
1631 	vgpu_vreg(vgpu, offset) = v;
1632 
1633 	return 0;
1634 }
1635 
1636 static int edp_psr_imr_iir_write(struct intel_vgpu *vgpu,
1637 		unsigned int offset, void *p_data, unsigned int bytes)
1638 {
1639 	vgpu_vreg(vgpu, offset) = 0;
1640 	return 0;
1641 }
1642 
1643 static int guc_status_read(struct intel_vgpu *vgpu,
1644 			   unsigned int offset, void *p_data,
1645 			   unsigned int bytes)
1646 {
1647 	/* keep MIA_IN_RESET before clearing */
1648 	read_vreg(vgpu, offset, p_data, bytes);
1649 	vgpu_vreg(vgpu, offset) &= ~GS_MIA_IN_RESET;
1650 	return 0;
1651 }
1652 
1653 static int mmio_read_from_hw(struct intel_vgpu *vgpu,
1654 		unsigned int offset, void *p_data, unsigned int bytes)
1655 {
1656 	struct intel_gvt *gvt = vgpu->gvt;
1657 	struct drm_i915_private *dev_priv = gvt->dev_priv;
1658 	int ring_id;
1659 	u32 ring_base;
1660 
1661 	ring_id = intel_gvt_render_mmio_to_ring_id(gvt, offset);
1662 	/**
1663 	 * Read HW reg in following case
1664 	 * a. the offset isn't a ring mmio
1665 	 * b. the offset's ring is running on hw.
1666 	 * c. the offset is ring time stamp mmio
1667 	 */
1668 	if (ring_id >= 0)
1669 		ring_base = dev_priv->engine[ring_id]->mmio_base;
1670 
1671 	if (ring_id < 0 || vgpu  == gvt->scheduler.engine_owner[ring_id] ||
1672 	    offset == i915_mmio_reg_offset(RING_TIMESTAMP(ring_base)) ||
1673 	    offset == i915_mmio_reg_offset(RING_TIMESTAMP_UDW(ring_base))) {
1674 		mmio_hw_access_pre(dev_priv);
1675 		vgpu_vreg(vgpu, offset) = I915_READ(_MMIO(offset));
1676 		mmio_hw_access_post(dev_priv);
1677 	}
1678 
1679 	return intel_vgpu_default_mmio_read(vgpu, offset, p_data, bytes);
1680 }
1681 
1682 static int elsp_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
1683 		void *p_data, unsigned int bytes)
1684 {
1685 	int ring_id = intel_gvt_render_mmio_to_ring_id(vgpu->gvt, offset);
1686 	struct intel_vgpu_execlist *execlist;
1687 	u32 data = *(u32 *)p_data;
1688 	int ret = 0;
1689 
1690 	if (WARN_ON(ring_id < 0 || ring_id >= I915_NUM_ENGINES))
1691 		return -EINVAL;
1692 
1693 	execlist = &vgpu->submission.execlist[ring_id];
1694 
1695 	execlist->elsp_dwords.data[3 - execlist->elsp_dwords.index] = data;
1696 	if (execlist->elsp_dwords.index == 3) {
1697 		ret = intel_vgpu_submit_execlist(vgpu, ring_id);
1698 		if(ret)
1699 			gvt_vgpu_err("fail submit workload on ring %d\n",
1700 				ring_id);
1701 	}
1702 
1703 	++execlist->elsp_dwords.index;
1704 	execlist->elsp_dwords.index &= 0x3;
1705 	return ret;
1706 }
1707 
1708 static int ring_mode_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
1709 		void *p_data, unsigned int bytes)
1710 {
1711 	u32 data = *(u32 *)p_data;
1712 	int ring_id = intel_gvt_render_mmio_to_ring_id(vgpu->gvt, offset);
1713 	bool enable_execlist;
1714 	int ret;
1715 
1716 	(*(u32 *)p_data) &= ~_MASKED_BIT_ENABLE(1);
1717 	if (IS_COFFEELAKE(vgpu->gvt->dev_priv))
1718 		(*(u32 *)p_data) &= ~_MASKED_BIT_ENABLE(2);
1719 	write_vreg(vgpu, offset, p_data, bytes);
1720 
1721 	if (data & _MASKED_BIT_ENABLE(1)) {
1722 		enter_failsafe_mode(vgpu, GVT_FAILSAFE_UNSUPPORTED_GUEST);
1723 		return 0;
1724 	}
1725 
1726 	if (IS_COFFEELAKE(vgpu->gvt->dev_priv) &&
1727 	    data & _MASKED_BIT_ENABLE(2)) {
1728 		enter_failsafe_mode(vgpu, GVT_FAILSAFE_UNSUPPORTED_GUEST);
1729 		return 0;
1730 	}
1731 
1732 	/* when PPGTT mode enabled, we will check if guest has called
1733 	 * pvinfo, if not, we will treat this guest as non-gvtg-aware
1734 	 * guest, and stop emulating its cfg space, mmio, gtt, etc.
1735 	 */
1736 	if (((data & _MASKED_BIT_ENABLE(GFX_PPGTT_ENABLE)) ||
1737 			(data & _MASKED_BIT_ENABLE(GFX_RUN_LIST_ENABLE)))
1738 			&& !vgpu->pv_notified) {
1739 		enter_failsafe_mode(vgpu, GVT_FAILSAFE_UNSUPPORTED_GUEST);
1740 		return 0;
1741 	}
1742 	if ((data & _MASKED_BIT_ENABLE(GFX_RUN_LIST_ENABLE))
1743 			|| (data & _MASKED_BIT_DISABLE(GFX_RUN_LIST_ENABLE))) {
1744 		enable_execlist = !!(data & GFX_RUN_LIST_ENABLE);
1745 
1746 		gvt_dbg_core("EXECLIST %s on ring %d\n",
1747 				(enable_execlist ? "enabling" : "disabling"),
1748 				ring_id);
1749 
1750 		if (!enable_execlist)
1751 			return 0;
1752 
1753 		ret = intel_vgpu_select_submission_ops(vgpu,
1754 			       BIT(ring_id),
1755 			       INTEL_VGPU_EXECLIST_SUBMISSION);
1756 		if (ret)
1757 			return ret;
1758 
1759 		intel_vgpu_start_schedule(vgpu);
1760 	}
1761 	return 0;
1762 }
1763 
1764 static int gvt_reg_tlb_control_handler(struct intel_vgpu *vgpu,
1765 		unsigned int offset, void *p_data, unsigned int bytes)
1766 {
1767 	unsigned int id = 0;
1768 
1769 	write_vreg(vgpu, offset, p_data, bytes);
1770 	vgpu_vreg(vgpu, offset) = 0;
1771 
1772 	switch (offset) {
1773 	case 0x4260:
1774 		id = RCS0;
1775 		break;
1776 	case 0x4264:
1777 		id = VCS0;
1778 		break;
1779 	case 0x4268:
1780 		id = VCS1;
1781 		break;
1782 	case 0x426c:
1783 		id = BCS0;
1784 		break;
1785 	case 0x4270:
1786 		id = VECS0;
1787 		break;
1788 	default:
1789 		return -EINVAL;
1790 	}
1791 	set_bit(id, (void *)vgpu->submission.tlb_handle_pending);
1792 
1793 	return 0;
1794 }
1795 
1796 static int ring_reset_ctl_write(struct intel_vgpu *vgpu,
1797 	unsigned int offset, void *p_data, unsigned int bytes)
1798 {
1799 	u32 data;
1800 
1801 	write_vreg(vgpu, offset, p_data, bytes);
1802 	data = vgpu_vreg(vgpu, offset);
1803 
1804 	if (data & _MASKED_BIT_ENABLE(RESET_CTL_REQUEST_RESET))
1805 		data |= RESET_CTL_READY_TO_RESET;
1806 	else if (data & _MASKED_BIT_DISABLE(RESET_CTL_REQUEST_RESET))
1807 		data &= ~RESET_CTL_READY_TO_RESET;
1808 
1809 	vgpu_vreg(vgpu, offset) = data;
1810 	return 0;
1811 }
1812 
1813 static int csfe_chicken1_mmio_write(struct intel_vgpu *vgpu,
1814 				    unsigned int offset, void *p_data,
1815 				    unsigned int bytes)
1816 {
1817 	u32 data = *(u32 *)p_data;
1818 
1819 	(*(u32 *)p_data) &= ~_MASKED_BIT_ENABLE(0x18);
1820 	write_vreg(vgpu, offset, p_data, bytes);
1821 
1822 	if (data & _MASKED_BIT_ENABLE(0x10) || data & _MASKED_BIT_ENABLE(0x8))
1823 		enter_failsafe_mode(vgpu, GVT_FAILSAFE_UNSUPPORTED_GUEST);
1824 
1825 	return 0;
1826 }
1827 
1828 #define MMIO_F(reg, s, f, am, rm, d, r, w) do { \
1829 	ret = new_mmio_info(gvt, i915_mmio_reg_offset(reg), \
1830 		f, s, am, rm, d, r, w); \
1831 	if (ret) \
1832 		return ret; \
1833 } while (0)
1834 
1835 #define MMIO_D(reg, d) \
1836 	MMIO_F(reg, 4, 0, 0, 0, d, NULL, NULL)
1837 
1838 #define MMIO_DH(reg, d, r, w) \
1839 	MMIO_F(reg, 4, 0, 0, 0, d, r, w)
1840 
1841 #define MMIO_DFH(reg, d, f, r, w) \
1842 	MMIO_F(reg, 4, f, 0, 0, d, r, w)
1843 
1844 #define MMIO_GM(reg, d, r, w) \
1845 	MMIO_F(reg, 4, F_GMADR, 0xFFFFF000, 0, d, r, w)
1846 
1847 #define MMIO_GM_RDR(reg, d, r, w) \
1848 	MMIO_F(reg, 4, F_GMADR | F_CMD_ACCESS, 0xFFFFF000, 0, d, r, w)
1849 
1850 #define MMIO_RO(reg, d, f, rm, r, w) \
1851 	MMIO_F(reg, 4, F_RO | f, 0, rm, d, r, w)
1852 
1853 #define MMIO_RING_F(prefix, s, f, am, rm, d, r, w) do { \
1854 	MMIO_F(prefix(RENDER_RING_BASE), s, f, am, rm, d, r, w); \
1855 	MMIO_F(prefix(BLT_RING_BASE), s, f, am, rm, d, r, w); \
1856 	MMIO_F(prefix(GEN6_BSD_RING_BASE), s, f, am, rm, d, r, w); \
1857 	MMIO_F(prefix(VEBOX_RING_BASE), s, f, am, rm, d, r, w); \
1858 	if (HAS_ENGINE(dev_priv, VCS1)) \
1859 		MMIO_F(prefix(GEN8_BSD2_RING_BASE), s, f, am, rm, d, r, w); \
1860 } while (0)
1861 
1862 #define MMIO_RING_D(prefix, d) \
1863 	MMIO_RING_F(prefix, 4, 0, 0, 0, d, NULL, NULL)
1864 
1865 #define MMIO_RING_DFH(prefix, d, f, r, w) \
1866 	MMIO_RING_F(prefix, 4, f, 0, 0, d, r, w)
1867 
1868 #define MMIO_RING_GM(prefix, d, r, w) \
1869 	MMIO_RING_F(prefix, 4, F_GMADR, 0xFFFF0000, 0, d, r, w)
1870 
1871 #define MMIO_RING_GM_RDR(prefix, d, r, w) \
1872 	MMIO_RING_F(prefix, 4, F_GMADR | F_CMD_ACCESS, 0xFFFF0000, 0, d, r, w)
1873 
1874 #define MMIO_RING_RO(prefix, d, f, rm, r, w) \
1875 	MMIO_RING_F(prefix, 4, F_RO | f, 0, rm, d, r, w)
1876 
1877 static int init_generic_mmio_info(struct intel_gvt *gvt)
1878 {
1879 	struct drm_i915_private *dev_priv = gvt->dev_priv;
1880 	int ret;
1881 
1882 	MMIO_RING_DFH(RING_IMR, D_ALL, F_CMD_ACCESS, NULL,
1883 		intel_vgpu_reg_imr_handler);
1884 
1885 	MMIO_DFH(SDEIMR, D_ALL, 0, NULL, intel_vgpu_reg_imr_handler);
1886 	MMIO_DFH(SDEIER, D_ALL, 0, NULL, intel_vgpu_reg_ier_handler);
1887 	MMIO_DFH(SDEIIR, D_ALL, 0, NULL, intel_vgpu_reg_iir_handler);
1888 	MMIO_D(SDEISR, D_ALL);
1889 
1890 	MMIO_RING_DFH(RING_HWSTAM, D_ALL, F_CMD_ACCESS, NULL, NULL);
1891 
1892 	MMIO_DH(GEN8_GAMW_ECO_DEV_RW_IA, D_BDW_PLUS, NULL,
1893 		gamw_echo_dev_rw_ia_write);
1894 
1895 	MMIO_GM_RDR(BSD_HWS_PGA_GEN7, D_ALL, NULL, NULL);
1896 	MMIO_GM_RDR(BLT_HWS_PGA_GEN7, D_ALL, NULL, NULL);
1897 	MMIO_GM_RDR(VEBOX_HWS_PGA_GEN7, D_ALL, NULL, NULL);
1898 
1899 #define RING_REG(base) _MMIO((base) + 0x28)
1900 	MMIO_RING_DFH(RING_REG, D_ALL, F_CMD_ACCESS, NULL, NULL);
1901 #undef RING_REG
1902 
1903 #define RING_REG(base) _MMIO((base) + 0x134)
1904 	MMIO_RING_DFH(RING_REG, D_ALL, F_CMD_ACCESS, NULL, NULL);
1905 #undef RING_REG
1906 
1907 #define RING_REG(base) _MMIO((base) + 0x6c)
1908 	MMIO_RING_DFH(RING_REG, D_ALL, 0, mmio_read_from_hw, NULL);
1909 #undef RING_REG
1910 	MMIO_DH(GEN7_SC_INSTDONE, D_BDW_PLUS, mmio_read_from_hw, NULL);
1911 
1912 	MMIO_GM_RDR(_MMIO(0x2148), D_ALL, NULL, NULL);
1913 	MMIO_GM_RDR(CCID(RENDER_RING_BASE), D_ALL, NULL, NULL);
1914 	MMIO_GM_RDR(_MMIO(0x12198), D_ALL, NULL, NULL);
1915 	MMIO_D(GEN7_CXT_SIZE, D_ALL);
1916 
1917 	MMIO_RING_DFH(RING_TAIL, D_ALL, F_CMD_ACCESS, NULL, NULL);
1918 	MMIO_RING_DFH(RING_HEAD, D_ALL, F_CMD_ACCESS, NULL, NULL);
1919 	MMIO_RING_DFH(RING_CTL, D_ALL, F_CMD_ACCESS, NULL, NULL);
1920 	MMIO_RING_DFH(RING_ACTHD, D_ALL, F_CMD_ACCESS, mmio_read_from_hw, NULL);
1921 	MMIO_RING_GM_RDR(RING_START, D_ALL, NULL, NULL);
1922 
1923 	/* RING MODE */
1924 #define RING_REG(base) _MMIO((base) + 0x29c)
1925 	MMIO_RING_DFH(RING_REG, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL,
1926 		ring_mode_mmio_write);
1927 #undef RING_REG
1928 
1929 	MMIO_RING_DFH(RING_MI_MODE, D_ALL, F_MODE_MASK | F_CMD_ACCESS,
1930 		NULL, NULL);
1931 	MMIO_RING_DFH(RING_INSTPM, D_ALL, F_MODE_MASK | F_CMD_ACCESS,
1932 			NULL, NULL);
1933 	MMIO_RING_DFH(RING_TIMESTAMP, D_ALL, F_CMD_ACCESS,
1934 			mmio_read_from_hw, NULL);
1935 	MMIO_RING_DFH(RING_TIMESTAMP_UDW, D_ALL, F_CMD_ACCESS,
1936 			mmio_read_from_hw, NULL);
1937 
1938 	MMIO_DFH(GEN7_GT_MODE, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1939 	MMIO_DFH(CACHE_MODE_0_GEN7, D_ALL, F_MODE_MASK | F_CMD_ACCESS,
1940 		NULL, NULL);
1941 	MMIO_DFH(CACHE_MODE_1, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1942 	MMIO_DFH(CACHE_MODE_0, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1943 	MMIO_DFH(_MMIO(0x2124), D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1944 
1945 	MMIO_DFH(_MMIO(0x20dc), D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1946 	MMIO_DFH(_3D_CHICKEN3, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1947 	MMIO_DFH(_MMIO(0x2088), D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1948 	MMIO_DFH(FF_SLICE_CS_CHICKEN2, D_ALL,
1949 		 F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1950 	MMIO_DFH(_MMIO(0x2470), D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1951 	MMIO_DFH(GAM_ECOCHK, D_ALL, F_CMD_ACCESS, NULL, NULL);
1952 	MMIO_DFH(GEN7_COMMON_SLICE_CHICKEN1, D_ALL, F_MODE_MASK | F_CMD_ACCESS,
1953 		NULL, NULL);
1954 	MMIO_DFH(COMMON_SLICE_CHICKEN2, D_ALL, F_MODE_MASK | F_CMD_ACCESS,
1955 		 NULL, NULL);
1956 	MMIO_DFH(_MMIO(0x9030), D_ALL, F_CMD_ACCESS, NULL, NULL);
1957 	MMIO_DFH(_MMIO(0x20a0), D_ALL, F_CMD_ACCESS, NULL, NULL);
1958 	MMIO_DFH(_MMIO(0x2420), D_ALL, F_CMD_ACCESS, NULL, NULL);
1959 	MMIO_DFH(_MMIO(0x2430), D_ALL, F_CMD_ACCESS, NULL, NULL);
1960 	MMIO_DFH(_MMIO(0x2434), D_ALL, F_CMD_ACCESS, NULL, NULL);
1961 	MMIO_DFH(_MMIO(0x2438), D_ALL, F_CMD_ACCESS, NULL, NULL);
1962 	MMIO_DFH(_MMIO(0x243c), D_ALL, F_CMD_ACCESS, NULL, NULL);
1963 	MMIO_DFH(_MMIO(0x7018), D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1964 	MMIO_DFH(HALF_SLICE_CHICKEN3, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1965 	MMIO_DFH(GEN7_HALF_SLICE_CHICKEN1, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1966 
1967 	/* display */
1968 	MMIO_F(_MMIO(0x60220), 0x20, 0, 0, 0, D_ALL, NULL, NULL);
1969 	MMIO_D(_MMIO(0x602a0), D_ALL);
1970 
1971 	MMIO_D(_MMIO(0x65050), D_ALL);
1972 	MMIO_D(_MMIO(0x650b4), D_ALL);
1973 
1974 	MMIO_D(_MMIO(0xc4040), D_ALL);
1975 	MMIO_D(DERRMR, D_ALL);
1976 
1977 	MMIO_D(PIPEDSL(PIPE_A), D_ALL);
1978 	MMIO_D(PIPEDSL(PIPE_B), D_ALL);
1979 	MMIO_D(PIPEDSL(PIPE_C), D_ALL);
1980 	MMIO_D(PIPEDSL(_PIPE_EDP), D_ALL);
1981 
1982 	MMIO_DH(PIPECONF(PIPE_A), D_ALL, NULL, pipeconf_mmio_write);
1983 	MMIO_DH(PIPECONF(PIPE_B), D_ALL, NULL, pipeconf_mmio_write);
1984 	MMIO_DH(PIPECONF(PIPE_C), D_ALL, NULL, pipeconf_mmio_write);
1985 	MMIO_DH(PIPECONF(_PIPE_EDP), D_ALL, NULL, pipeconf_mmio_write);
1986 
1987 	MMIO_D(PIPESTAT(PIPE_A), D_ALL);
1988 	MMIO_D(PIPESTAT(PIPE_B), D_ALL);
1989 	MMIO_D(PIPESTAT(PIPE_C), D_ALL);
1990 	MMIO_D(PIPESTAT(_PIPE_EDP), D_ALL);
1991 
1992 	MMIO_D(PIPE_FLIPCOUNT_G4X(PIPE_A), D_ALL);
1993 	MMIO_D(PIPE_FLIPCOUNT_G4X(PIPE_B), D_ALL);
1994 	MMIO_D(PIPE_FLIPCOUNT_G4X(PIPE_C), D_ALL);
1995 	MMIO_D(PIPE_FLIPCOUNT_G4X(_PIPE_EDP), D_ALL);
1996 
1997 	MMIO_D(PIPE_FRMCOUNT_G4X(PIPE_A), D_ALL);
1998 	MMIO_D(PIPE_FRMCOUNT_G4X(PIPE_B), D_ALL);
1999 	MMIO_D(PIPE_FRMCOUNT_G4X(PIPE_C), D_ALL);
2000 	MMIO_D(PIPE_FRMCOUNT_G4X(_PIPE_EDP), D_ALL);
2001 
2002 	MMIO_D(CURCNTR(PIPE_A), D_ALL);
2003 	MMIO_D(CURCNTR(PIPE_B), D_ALL);
2004 	MMIO_D(CURCNTR(PIPE_C), D_ALL);
2005 
2006 	MMIO_D(CURPOS(PIPE_A), D_ALL);
2007 	MMIO_D(CURPOS(PIPE_B), D_ALL);
2008 	MMIO_D(CURPOS(PIPE_C), D_ALL);
2009 
2010 	MMIO_D(CURBASE(PIPE_A), D_ALL);
2011 	MMIO_D(CURBASE(PIPE_B), D_ALL);
2012 	MMIO_D(CURBASE(PIPE_C), D_ALL);
2013 
2014 	MMIO_D(CUR_FBC_CTL(PIPE_A), D_ALL);
2015 	MMIO_D(CUR_FBC_CTL(PIPE_B), D_ALL);
2016 	MMIO_D(CUR_FBC_CTL(PIPE_C), D_ALL);
2017 
2018 	MMIO_D(_MMIO(0x700ac), D_ALL);
2019 	MMIO_D(_MMIO(0x710ac), D_ALL);
2020 	MMIO_D(_MMIO(0x720ac), D_ALL);
2021 
2022 	MMIO_D(_MMIO(0x70090), D_ALL);
2023 	MMIO_D(_MMIO(0x70094), D_ALL);
2024 	MMIO_D(_MMIO(0x70098), D_ALL);
2025 	MMIO_D(_MMIO(0x7009c), D_ALL);
2026 
2027 	MMIO_D(DSPCNTR(PIPE_A), D_ALL);
2028 	MMIO_D(DSPADDR(PIPE_A), D_ALL);
2029 	MMIO_D(DSPSTRIDE(PIPE_A), D_ALL);
2030 	MMIO_D(DSPPOS(PIPE_A), D_ALL);
2031 	MMIO_D(DSPSIZE(PIPE_A), D_ALL);
2032 	MMIO_DH(DSPSURF(PIPE_A), D_ALL, NULL, pri_surf_mmio_write);
2033 	MMIO_D(DSPOFFSET(PIPE_A), D_ALL);
2034 	MMIO_D(DSPSURFLIVE(PIPE_A), D_ALL);
2035 	MMIO_DH(REG_50080(PIPE_A, PLANE_PRIMARY), D_ALL, NULL,
2036 		reg50080_mmio_write);
2037 
2038 	MMIO_D(DSPCNTR(PIPE_B), D_ALL);
2039 	MMIO_D(DSPADDR(PIPE_B), D_ALL);
2040 	MMIO_D(DSPSTRIDE(PIPE_B), D_ALL);
2041 	MMIO_D(DSPPOS(PIPE_B), D_ALL);
2042 	MMIO_D(DSPSIZE(PIPE_B), D_ALL);
2043 	MMIO_DH(DSPSURF(PIPE_B), D_ALL, NULL, pri_surf_mmio_write);
2044 	MMIO_D(DSPOFFSET(PIPE_B), D_ALL);
2045 	MMIO_D(DSPSURFLIVE(PIPE_B), D_ALL);
2046 	MMIO_DH(REG_50080(PIPE_B, PLANE_PRIMARY), D_ALL, NULL,
2047 		reg50080_mmio_write);
2048 
2049 	MMIO_D(DSPCNTR(PIPE_C), D_ALL);
2050 	MMIO_D(DSPADDR(PIPE_C), D_ALL);
2051 	MMIO_D(DSPSTRIDE(PIPE_C), D_ALL);
2052 	MMIO_D(DSPPOS(PIPE_C), D_ALL);
2053 	MMIO_D(DSPSIZE(PIPE_C), D_ALL);
2054 	MMIO_DH(DSPSURF(PIPE_C), D_ALL, NULL, pri_surf_mmio_write);
2055 	MMIO_D(DSPOFFSET(PIPE_C), D_ALL);
2056 	MMIO_D(DSPSURFLIVE(PIPE_C), D_ALL);
2057 	MMIO_DH(REG_50080(PIPE_C, PLANE_PRIMARY), D_ALL, NULL,
2058 		reg50080_mmio_write);
2059 
2060 	MMIO_D(SPRCTL(PIPE_A), D_ALL);
2061 	MMIO_D(SPRLINOFF(PIPE_A), D_ALL);
2062 	MMIO_D(SPRSTRIDE(PIPE_A), D_ALL);
2063 	MMIO_D(SPRPOS(PIPE_A), D_ALL);
2064 	MMIO_D(SPRSIZE(PIPE_A), D_ALL);
2065 	MMIO_D(SPRKEYVAL(PIPE_A), D_ALL);
2066 	MMIO_D(SPRKEYMSK(PIPE_A), D_ALL);
2067 	MMIO_DH(SPRSURF(PIPE_A), D_ALL, NULL, spr_surf_mmio_write);
2068 	MMIO_D(SPRKEYMAX(PIPE_A), D_ALL);
2069 	MMIO_D(SPROFFSET(PIPE_A), D_ALL);
2070 	MMIO_D(SPRSCALE(PIPE_A), D_ALL);
2071 	MMIO_D(SPRSURFLIVE(PIPE_A), D_ALL);
2072 	MMIO_DH(REG_50080(PIPE_A, PLANE_SPRITE0), D_ALL, NULL,
2073 		reg50080_mmio_write);
2074 
2075 	MMIO_D(SPRCTL(PIPE_B), D_ALL);
2076 	MMIO_D(SPRLINOFF(PIPE_B), D_ALL);
2077 	MMIO_D(SPRSTRIDE(PIPE_B), D_ALL);
2078 	MMIO_D(SPRPOS(PIPE_B), D_ALL);
2079 	MMIO_D(SPRSIZE(PIPE_B), D_ALL);
2080 	MMIO_D(SPRKEYVAL(PIPE_B), D_ALL);
2081 	MMIO_D(SPRKEYMSK(PIPE_B), D_ALL);
2082 	MMIO_DH(SPRSURF(PIPE_B), D_ALL, NULL, spr_surf_mmio_write);
2083 	MMIO_D(SPRKEYMAX(PIPE_B), D_ALL);
2084 	MMIO_D(SPROFFSET(PIPE_B), D_ALL);
2085 	MMIO_D(SPRSCALE(PIPE_B), D_ALL);
2086 	MMIO_D(SPRSURFLIVE(PIPE_B), D_ALL);
2087 	MMIO_DH(REG_50080(PIPE_B, PLANE_SPRITE0), D_ALL, NULL,
2088 		reg50080_mmio_write);
2089 
2090 	MMIO_D(SPRCTL(PIPE_C), D_ALL);
2091 	MMIO_D(SPRLINOFF(PIPE_C), D_ALL);
2092 	MMIO_D(SPRSTRIDE(PIPE_C), D_ALL);
2093 	MMIO_D(SPRPOS(PIPE_C), D_ALL);
2094 	MMIO_D(SPRSIZE(PIPE_C), D_ALL);
2095 	MMIO_D(SPRKEYVAL(PIPE_C), D_ALL);
2096 	MMIO_D(SPRKEYMSK(PIPE_C), D_ALL);
2097 	MMIO_DH(SPRSURF(PIPE_C), D_ALL, NULL, spr_surf_mmio_write);
2098 	MMIO_D(SPRKEYMAX(PIPE_C), D_ALL);
2099 	MMIO_D(SPROFFSET(PIPE_C), D_ALL);
2100 	MMIO_D(SPRSCALE(PIPE_C), D_ALL);
2101 	MMIO_D(SPRSURFLIVE(PIPE_C), D_ALL);
2102 	MMIO_DH(REG_50080(PIPE_C, PLANE_SPRITE0), D_ALL, NULL,
2103 		reg50080_mmio_write);
2104 
2105 	MMIO_D(HTOTAL(TRANSCODER_A), D_ALL);
2106 	MMIO_D(HBLANK(TRANSCODER_A), D_ALL);
2107 	MMIO_D(HSYNC(TRANSCODER_A), D_ALL);
2108 	MMIO_D(VTOTAL(TRANSCODER_A), D_ALL);
2109 	MMIO_D(VBLANK(TRANSCODER_A), D_ALL);
2110 	MMIO_D(VSYNC(TRANSCODER_A), D_ALL);
2111 	MMIO_D(BCLRPAT(TRANSCODER_A), D_ALL);
2112 	MMIO_D(VSYNCSHIFT(TRANSCODER_A), D_ALL);
2113 	MMIO_D(PIPESRC(TRANSCODER_A), D_ALL);
2114 
2115 	MMIO_D(HTOTAL(TRANSCODER_B), D_ALL);
2116 	MMIO_D(HBLANK(TRANSCODER_B), D_ALL);
2117 	MMIO_D(HSYNC(TRANSCODER_B), D_ALL);
2118 	MMIO_D(VTOTAL(TRANSCODER_B), D_ALL);
2119 	MMIO_D(VBLANK(TRANSCODER_B), D_ALL);
2120 	MMIO_D(VSYNC(TRANSCODER_B), D_ALL);
2121 	MMIO_D(BCLRPAT(TRANSCODER_B), D_ALL);
2122 	MMIO_D(VSYNCSHIFT(TRANSCODER_B), D_ALL);
2123 	MMIO_D(PIPESRC(TRANSCODER_B), D_ALL);
2124 
2125 	MMIO_D(HTOTAL(TRANSCODER_C), D_ALL);
2126 	MMIO_D(HBLANK(TRANSCODER_C), D_ALL);
2127 	MMIO_D(HSYNC(TRANSCODER_C), D_ALL);
2128 	MMIO_D(VTOTAL(TRANSCODER_C), D_ALL);
2129 	MMIO_D(VBLANK(TRANSCODER_C), D_ALL);
2130 	MMIO_D(VSYNC(TRANSCODER_C), D_ALL);
2131 	MMIO_D(BCLRPAT(TRANSCODER_C), D_ALL);
2132 	MMIO_D(VSYNCSHIFT(TRANSCODER_C), D_ALL);
2133 	MMIO_D(PIPESRC(TRANSCODER_C), D_ALL);
2134 
2135 	MMIO_D(HTOTAL(TRANSCODER_EDP), D_ALL);
2136 	MMIO_D(HBLANK(TRANSCODER_EDP), D_ALL);
2137 	MMIO_D(HSYNC(TRANSCODER_EDP), D_ALL);
2138 	MMIO_D(VTOTAL(TRANSCODER_EDP), D_ALL);
2139 	MMIO_D(VBLANK(TRANSCODER_EDP), D_ALL);
2140 	MMIO_D(VSYNC(TRANSCODER_EDP), D_ALL);
2141 	MMIO_D(BCLRPAT(TRANSCODER_EDP), D_ALL);
2142 	MMIO_D(VSYNCSHIFT(TRANSCODER_EDP), D_ALL);
2143 
2144 	MMIO_D(PIPE_DATA_M1(TRANSCODER_A), D_ALL);
2145 	MMIO_D(PIPE_DATA_N1(TRANSCODER_A), D_ALL);
2146 	MMIO_D(PIPE_DATA_M2(TRANSCODER_A), D_ALL);
2147 	MMIO_D(PIPE_DATA_N2(TRANSCODER_A), D_ALL);
2148 	MMIO_D(PIPE_LINK_M1(TRANSCODER_A), D_ALL);
2149 	MMIO_D(PIPE_LINK_N1(TRANSCODER_A), D_ALL);
2150 	MMIO_D(PIPE_LINK_M2(TRANSCODER_A), D_ALL);
2151 	MMIO_D(PIPE_LINK_N2(TRANSCODER_A), D_ALL);
2152 
2153 	MMIO_D(PIPE_DATA_M1(TRANSCODER_B), D_ALL);
2154 	MMIO_D(PIPE_DATA_N1(TRANSCODER_B), D_ALL);
2155 	MMIO_D(PIPE_DATA_M2(TRANSCODER_B), D_ALL);
2156 	MMIO_D(PIPE_DATA_N2(TRANSCODER_B), D_ALL);
2157 	MMIO_D(PIPE_LINK_M1(TRANSCODER_B), D_ALL);
2158 	MMIO_D(PIPE_LINK_N1(TRANSCODER_B), D_ALL);
2159 	MMIO_D(PIPE_LINK_M2(TRANSCODER_B), D_ALL);
2160 	MMIO_D(PIPE_LINK_N2(TRANSCODER_B), D_ALL);
2161 
2162 	MMIO_D(PIPE_DATA_M1(TRANSCODER_C), D_ALL);
2163 	MMIO_D(PIPE_DATA_N1(TRANSCODER_C), D_ALL);
2164 	MMIO_D(PIPE_DATA_M2(TRANSCODER_C), D_ALL);
2165 	MMIO_D(PIPE_DATA_N2(TRANSCODER_C), D_ALL);
2166 	MMIO_D(PIPE_LINK_M1(TRANSCODER_C), D_ALL);
2167 	MMIO_D(PIPE_LINK_N1(TRANSCODER_C), D_ALL);
2168 	MMIO_D(PIPE_LINK_M2(TRANSCODER_C), D_ALL);
2169 	MMIO_D(PIPE_LINK_N2(TRANSCODER_C), D_ALL);
2170 
2171 	MMIO_D(PIPE_DATA_M1(TRANSCODER_EDP), D_ALL);
2172 	MMIO_D(PIPE_DATA_N1(TRANSCODER_EDP), D_ALL);
2173 	MMIO_D(PIPE_DATA_M2(TRANSCODER_EDP), D_ALL);
2174 	MMIO_D(PIPE_DATA_N2(TRANSCODER_EDP), D_ALL);
2175 	MMIO_D(PIPE_LINK_M1(TRANSCODER_EDP), D_ALL);
2176 	MMIO_D(PIPE_LINK_N1(TRANSCODER_EDP), D_ALL);
2177 	MMIO_D(PIPE_LINK_M2(TRANSCODER_EDP), D_ALL);
2178 	MMIO_D(PIPE_LINK_N2(TRANSCODER_EDP), D_ALL);
2179 
2180 	MMIO_D(PF_CTL(PIPE_A), D_ALL);
2181 	MMIO_D(PF_WIN_SZ(PIPE_A), D_ALL);
2182 	MMIO_D(PF_WIN_POS(PIPE_A), D_ALL);
2183 	MMIO_D(PF_VSCALE(PIPE_A), D_ALL);
2184 	MMIO_D(PF_HSCALE(PIPE_A), D_ALL);
2185 
2186 	MMIO_D(PF_CTL(PIPE_B), D_ALL);
2187 	MMIO_D(PF_WIN_SZ(PIPE_B), D_ALL);
2188 	MMIO_D(PF_WIN_POS(PIPE_B), D_ALL);
2189 	MMIO_D(PF_VSCALE(PIPE_B), D_ALL);
2190 	MMIO_D(PF_HSCALE(PIPE_B), D_ALL);
2191 
2192 	MMIO_D(PF_CTL(PIPE_C), D_ALL);
2193 	MMIO_D(PF_WIN_SZ(PIPE_C), D_ALL);
2194 	MMIO_D(PF_WIN_POS(PIPE_C), D_ALL);
2195 	MMIO_D(PF_VSCALE(PIPE_C), D_ALL);
2196 	MMIO_D(PF_HSCALE(PIPE_C), D_ALL);
2197 
2198 	MMIO_D(WM0_PIPEA_ILK, D_ALL);
2199 	MMIO_D(WM0_PIPEB_ILK, D_ALL);
2200 	MMIO_D(WM0_PIPEC_IVB, D_ALL);
2201 	MMIO_D(WM1_LP_ILK, D_ALL);
2202 	MMIO_D(WM2_LP_ILK, D_ALL);
2203 	MMIO_D(WM3_LP_ILK, D_ALL);
2204 	MMIO_D(WM1S_LP_ILK, D_ALL);
2205 	MMIO_D(WM2S_LP_IVB, D_ALL);
2206 	MMIO_D(WM3S_LP_IVB, D_ALL);
2207 
2208 	MMIO_D(BLC_PWM_CPU_CTL2, D_ALL);
2209 	MMIO_D(BLC_PWM_CPU_CTL, D_ALL);
2210 	MMIO_D(BLC_PWM_PCH_CTL1, D_ALL);
2211 	MMIO_D(BLC_PWM_PCH_CTL2, D_ALL);
2212 
2213 	MMIO_D(_MMIO(0x48268), D_ALL);
2214 
2215 	MMIO_F(PCH_GMBUS0, 4 * 4, 0, 0, 0, D_ALL, gmbus_mmio_read,
2216 		gmbus_mmio_write);
2217 	MMIO_F(PCH_GPIO_BASE, 6 * 4, F_UNALIGN, 0, 0, D_ALL, NULL, NULL);
2218 	MMIO_F(_MMIO(0xe4f00), 0x28, 0, 0, 0, D_ALL, NULL, NULL);
2219 
2220 	MMIO_F(_MMIO(_PCH_DPB_AUX_CH_CTL), 6 * 4, 0, 0, 0, D_PRE_SKL, NULL,
2221 		dp_aux_ch_ctl_mmio_write);
2222 	MMIO_F(_MMIO(_PCH_DPC_AUX_CH_CTL), 6 * 4, 0, 0, 0, D_PRE_SKL, NULL,
2223 		dp_aux_ch_ctl_mmio_write);
2224 	MMIO_F(_MMIO(_PCH_DPD_AUX_CH_CTL), 6 * 4, 0, 0, 0, D_PRE_SKL, NULL,
2225 		dp_aux_ch_ctl_mmio_write);
2226 
2227 	MMIO_DH(PCH_ADPA, D_PRE_SKL, NULL, pch_adpa_mmio_write);
2228 
2229 	MMIO_DH(_MMIO(_PCH_TRANSACONF), D_ALL, NULL, transconf_mmio_write);
2230 	MMIO_DH(_MMIO(_PCH_TRANSBCONF), D_ALL, NULL, transconf_mmio_write);
2231 
2232 	MMIO_DH(FDI_RX_IIR(PIPE_A), D_ALL, NULL, fdi_rx_iir_mmio_write);
2233 	MMIO_DH(FDI_RX_IIR(PIPE_B), D_ALL, NULL, fdi_rx_iir_mmio_write);
2234 	MMIO_DH(FDI_RX_IIR(PIPE_C), D_ALL, NULL, fdi_rx_iir_mmio_write);
2235 	MMIO_DH(FDI_RX_IMR(PIPE_A), D_ALL, NULL, update_fdi_rx_iir_status);
2236 	MMIO_DH(FDI_RX_IMR(PIPE_B), D_ALL, NULL, update_fdi_rx_iir_status);
2237 	MMIO_DH(FDI_RX_IMR(PIPE_C), D_ALL, NULL, update_fdi_rx_iir_status);
2238 	MMIO_DH(FDI_RX_CTL(PIPE_A), D_ALL, NULL, update_fdi_rx_iir_status);
2239 	MMIO_DH(FDI_RX_CTL(PIPE_B), D_ALL, NULL, update_fdi_rx_iir_status);
2240 	MMIO_DH(FDI_RX_CTL(PIPE_C), D_ALL, NULL, update_fdi_rx_iir_status);
2241 
2242 	MMIO_D(_MMIO(_PCH_TRANS_HTOTAL_A), D_ALL);
2243 	MMIO_D(_MMIO(_PCH_TRANS_HBLANK_A), D_ALL);
2244 	MMIO_D(_MMIO(_PCH_TRANS_HSYNC_A), D_ALL);
2245 	MMIO_D(_MMIO(_PCH_TRANS_VTOTAL_A), D_ALL);
2246 	MMIO_D(_MMIO(_PCH_TRANS_VBLANK_A), D_ALL);
2247 	MMIO_D(_MMIO(_PCH_TRANS_VSYNC_A), D_ALL);
2248 	MMIO_D(_MMIO(_PCH_TRANS_VSYNCSHIFT_A), D_ALL);
2249 
2250 	MMIO_D(_MMIO(_PCH_TRANS_HTOTAL_B), D_ALL);
2251 	MMIO_D(_MMIO(_PCH_TRANS_HBLANK_B), D_ALL);
2252 	MMIO_D(_MMIO(_PCH_TRANS_HSYNC_B), D_ALL);
2253 	MMIO_D(_MMIO(_PCH_TRANS_VTOTAL_B), D_ALL);
2254 	MMIO_D(_MMIO(_PCH_TRANS_VBLANK_B), D_ALL);
2255 	MMIO_D(_MMIO(_PCH_TRANS_VSYNC_B), D_ALL);
2256 	MMIO_D(_MMIO(_PCH_TRANS_VSYNCSHIFT_B), D_ALL);
2257 
2258 	MMIO_D(_MMIO(_PCH_TRANSA_DATA_M1), D_ALL);
2259 	MMIO_D(_MMIO(_PCH_TRANSA_DATA_N1), D_ALL);
2260 	MMIO_D(_MMIO(_PCH_TRANSA_DATA_M2), D_ALL);
2261 	MMIO_D(_MMIO(_PCH_TRANSA_DATA_N2), D_ALL);
2262 	MMIO_D(_MMIO(_PCH_TRANSA_LINK_M1), D_ALL);
2263 	MMIO_D(_MMIO(_PCH_TRANSA_LINK_N1), D_ALL);
2264 	MMIO_D(_MMIO(_PCH_TRANSA_LINK_M2), D_ALL);
2265 	MMIO_D(_MMIO(_PCH_TRANSA_LINK_N2), D_ALL);
2266 
2267 	MMIO_D(TRANS_DP_CTL(PIPE_A), D_ALL);
2268 	MMIO_D(TRANS_DP_CTL(PIPE_B), D_ALL);
2269 	MMIO_D(TRANS_DP_CTL(PIPE_C), D_ALL);
2270 
2271 	MMIO_D(TVIDEO_DIP_CTL(PIPE_A), D_ALL);
2272 	MMIO_D(TVIDEO_DIP_DATA(PIPE_A), D_ALL);
2273 	MMIO_D(TVIDEO_DIP_GCP(PIPE_A), D_ALL);
2274 
2275 	MMIO_D(TVIDEO_DIP_CTL(PIPE_B), D_ALL);
2276 	MMIO_D(TVIDEO_DIP_DATA(PIPE_B), D_ALL);
2277 	MMIO_D(TVIDEO_DIP_GCP(PIPE_B), D_ALL);
2278 
2279 	MMIO_D(TVIDEO_DIP_CTL(PIPE_C), D_ALL);
2280 	MMIO_D(TVIDEO_DIP_DATA(PIPE_C), D_ALL);
2281 	MMIO_D(TVIDEO_DIP_GCP(PIPE_C), D_ALL);
2282 
2283 	MMIO_D(_MMIO(_FDI_RXA_MISC), D_ALL);
2284 	MMIO_D(_MMIO(_FDI_RXB_MISC), D_ALL);
2285 	MMIO_D(_MMIO(_FDI_RXA_TUSIZE1), D_ALL);
2286 	MMIO_D(_MMIO(_FDI_RXA_TUSIZE2), D_ALL);
2287 	MMIO_D(_MMIO(_FDI_RXB_TUSIZE1), D_ALL);
2288 	MMIO_D(_MMIO(_FDI_RXB_TUSIZE2), D_ALL);
2289 
2290 	MMIO_DH(PCH_PP_CONTROL, D_ALL, NULL, pch_pp_control_mmio_write);
2291 	MMIO_D(PCH_PP_DIVISOR, D_ALL);
2292 	MMIO_D(PCH_PP_STATUS,  D_ALL);
2293 	MMIO_D(PCH_LVDS, D_ALL);
2294 	MMIO_D(_MMIO(_PCH_DPLL_A), D_ALL);
2295 	MMIO_D(_MMIO(_PCH_DPLL_B), D_ALL);
2296 	MMIO_D(_MMIO(_PCH_FPA0), D_ALL);
2297 	MMIO_D(_MMIO(_PCH_FPA1), D_ALL);
2298 	MMIO_D(_MMIO(_PCH_FPB0), D_ALL);
2299 	MMIO_D(_MMIO(_PCH_FPB1), D_ALL);
2300 	MMIO_D(PCH_DREF_CONTROL, D_ALL);
2301 	MMIO_D(PCH_RAWCLK_FREQ, D_ALL);
2302 	MMIO_D(PCH_DPLL_SEL, D_ALL);
2303 
2304 	MMIO_D(_MMIO(0x61208), D_ALL);
2305 	MMIO_D(_MMIO(0x6120c), D_ALL);
2306 	MMIO_D(PCH_PP_ON_DELAYS, D_ALL);
2307 	MMIO_D(PCH_PP_OFF_DELAYS, D_ALL);
2308 
2309 	MMIO_DH(_MMIO(0xe651c), D_ALL, dpy_reg_mmio_read, NULL);
2310 	MMIO_DH(_MMIO(0xe661c), D_ALL, dpy_reg_mmio_read, NULL);
2311 	MMIO_DH(_MMIO(0xe671c), D_ALL, dpy_reg_mmio_read, NULL);
2312 	MMIO_DH(_MMIO(0xe681c), D_ALL, dpy_reg_mmio_read, NULL);
2313 	MMIO_DH(_MMIO(0xe6c04), D_ALL, dpy_reg_mmio_read, NULL);
2314 	MMIO_DH(_MMIO(0xe6e1c), D_ALL, dpy_reg_mmio_read, NULL);
2315 
2316 	MMIO_RO(PCH_PORT_HOTPLUG, D_ALL, 0,
2317 		PORTA_HOTPLUG_STATUS_MASK
2318 		| PORTB_HOTPLUG_STATUS_MASK
2319 		| PORTC_HOTPLUG_STATUS_MASK
2320 		| PORTD_HOTPLUG_STATUS_MASK,
2321 		NULL, NULL);
2322 
2323 	MMIO_DH(LCPLL_CTL, D_ALL, NULL, lcpll_ctl_mmio_write);
2324 	MMIO_D(FUSE_STRAP, D_ALL);
2325 	MMIO_D(DIGITAL_PORT_HOTPLUG_CNTRL, D_ALL);
2326 
2327 	MMIO_D(DISP_ARB_CTL, D_ALL);
2328 	MMIO_D(DISP_ARB_CTL2, D_ALL);
2329 
2330 	MMIO_D(ILK_DISPLAY_CHICKEN1, D_ALL);
2331 	MMIO_D(ILK_DISPLAY_CHICKEN2, D_ALL);
2332 	MMIO_D(ILK_DSPCLK_GATE_D, D_ALL);
2333 
2334 	MMIO_D(SOUTH_CHICKEN1, D_ALL);
2335 	MMIO_DH(SOUTH_CHICKEN2, D_ALL, NULL, south_chicken2_mmio_write);
2336 	MMIO_D(_MMIO(_TRANSA_CHICKEN1), D_ALL);
2337 	MMIO_D(_MMIO(_TRANSB_CHICKEN1), D_ALL);
2338 	MMIO_D(SOUTH_DSPCLK_GATE_D, D_ALL);
2339 	MMIO_D(_MMIO(_TRANSA_CHICKEN2), D_ALL);
2340 	MMIO_D(_MMIO(_TRANSB_CHICKEN2), D_ALL);
2341 
2342 	MMIO_D(ILK_DPFC_CB_BASE, D_ALL);
2343 	MMIO_D(ILK_DPFC_CONTROL, D_ALL);
2344 	MMIO_D(ILK_DPFC_RECOMP_CTL, D_ALL);
2345 	MMIO_D(ILK_DPFC_STATUS, D_ALL);
2346 	MMIO_D(ILK_DPFC_FENCE_YOFF, D_ALL);
2347 	MMIO_D(ILK_DPFC_CHICKEN, D_ALL);
2348 	MMIO_D(ILK_FBC_RT_BASE, D_ALL);
2349 
2350 	MMIO_D(IPS_CTL, D_ALL);
2351 
2352 	MMIO_D(PIPE_CSC_COEFF_RY_GY(PIPE_A), D_ALL);
2353 	MMIO_D(PIPE_CSC_COEFF_BY(PIPE_A), D_ALL);
2354 	MMIO_D(PIPE_CSC_COEFF_RU_GU(PIPE_A), D_ALL);
2355 	MMIO_D(PIPE_CSC_COEFF_BU(PIPE_A), D_ALL);
2356 	MMIO_D(PIPE_CSC_COEFF_RV_GV(PIPE_A), D_ALL);
2357 	MMIO_D(PIPE_CSC_COEFF_BV(PIPE_A), D_ALL);
2358 	MMIO_D(PIPE_CSC_MODE(PIPE_A), D_ALL);
2359 	MMIO_D(PIPE_CSC_PREOFF_HI(PIPE_A), D_ALL);
2360 	MMIO_D(PIPE_CSC_PREOFF_ME(PIPE_A), D_ALL);
2361 	MMIO_D(PIPE_CSC_PREOFF_LO(PIPE_A), D_ALL);
2362 	MMIO_D(PIPE_CSC_POSTOFF_HI(PIPE_A), D_ALL);
2363 	MMIO_D(PIPE_CSC_POSTOFF_ME(PIPE_A), D_ALL);
2364 	MMIO_D(PIPE_CSC_POSTOFF_LO(PIPE_A), D_ALL);
2365 
2366 	MMIO_D(PIPE_CSC_COEFF_RY_GY(PIPE_B), D_ALL);
2367 	MMIO_D(PIPE_CSC_COEFF_BY(PIPE_B), D_ALL);
2368 	MMIO_D(PIPE_CSC_COEFF_RU_GU(PIPE_B), D_ALL);
2369 	MMIO_D(PIPE_CSC_COEFF_BU(PIPE_B), D_ALL);
2370 	MMIO_D(PIPE_CSC_COEFF_RV_GV(PIPE_B), D_ALL);
2371 	MMIO_D(PIPE_CSC_COEFF_BV(PIPE_B), D_ALL);
2372 	MMIO_D(PIPE_CSC_MODE(PIPE_B), D_ALL);
2373 	MMIO_D(PIPE_CSC_PREOFF_HI(PIPE_B), D_ALL);
2374 	MMIO_D(PIPE_CSC_PREOFF_ME(PIPE_B), D_ALL);
2375 	MMIO_D(PIPE_CSC_PREOFF_LO(PIPE_B), D_ALL);
2376 	MMIO_D(PIPE_CSC_POSTOFF_HI(PIPE_B), D_ALL);
2377 	MMIO_D(PIPE_CSC_POSTOFF_ME(PIPE_B), D_ALL);
2378 	MMIO_D(PIPE_CSC_POSTOFF_LO(PIPE_B), D_ALL);
2379 
2380 	MMIO_D(PIPE_CSC_COEFF_RY_GY(PIPE_C), D_ALL);
2381 	MMIO_D(PIPE_CSC_COEFF_BY(PIPE_C), D_ALL);
2382 	MMIO_D(PIPE_CSC_COEFF_RU_GU(PIPE_C), D_ALL);
2383 	MMIO_D(PIPE_CSC_COEFF_BU(PIPE_C), D_ALL);
2384 	MMIO_D(PIPE_CSC_COEFF_RV_GV(PIPE_C), D_ALL);
2385 	MMIO_D(PIPE_CSC_COEFF_BV(PIPE_C), D_ALL);
2386 	MMIO_D(PIPE_CSC_MODE(PIPE_C), D_ALL);
2387 	MMIO_D(PIPE_CSC_PREOFF_HI(PIPE_C), D_ALL);
2388 	MMIO_D(PIPE_CSC_PREOFF_ME(PIPE_C), D_ALL);
2389 	MMIO_D(PIPE_CSC_PREOFF_LO(PIPE_C), D_ALL);
2390 	MMIO_D(PIPE_CSC_POSTOFF_HI(PIPE_C), D_ALL);
2391 	MMIO_D(PIPE_CSC_POSTOFF_ME(PIPE_C), D_ALL);
2392 	MMIO_D(PIPE_CSC_POSTOFF_LO(PIPE_C), D_ALL);
2393 
2394 	MMIO_D(PREC_PAL_INDEX(PIPE_A), D_ALL);
2395 	MMIO_D(PREC_PAL_DATA(PIPE_A), D_ALL);
2396 	MMIO_F(PREC_PAL_GC_MAX(PIPE_A, 0), 4 * 3, 0, 0, 0, D_ALL, NULL, NULL);
2397 
2398 	MMIO_D(PREC_PAL_INDEX(PIPE_B), D_ALL);
2399 	MMIO_D(PREC_PAL_DATA(PIPE_B), D_ALL);
2400 	MMIO_F(PREC_PAL_GC_MAX(PIPE_B, 0), 4 * 3, 0, 0, 0, D_ALL, NULL, NULL);
2401 
2402 	MMIO_D(PREC_PAL_INDEX(PIPE_C), D_ALL);
2403 	MMIO_D(PREC_PAL_DATA(PIPE_C), D_ALL);
2404 	MMIO_F(PREC_PAL_GC_MAX(PIPE_C, 0), 4 * 3, 0, 0, 0, D_ALL, NULL, NULL);
2405 
2406 	MMIO_D(_MMIO(0x60110), D_ALL);
2407 	MMIO_D(_MMIO(0x61110), D_ALL);
2408 	MMIO_F(_MMIO(0x70400), 0x40, 0, 0, 0, D_ALL, NULL, NULL);
2409 	MMIO_F(_MMIO(0x71400), 0x40, 0, 0, 0, D_ALL, NULL, NULL);
2410 	MMIO_F(_MMIO(0x72400), 0x40, 0, 0, 0, D_ALL, NULL, NULL);
2411 	MMIO_F(_MMIO(0x70440), 0xc, 0, 0, 0, D_PRE_SKL, NULL, NULL);
2412 	MMIO_F(_MMIO(0x71440), 0xc, 0, 0, 0, D_PRE_SKL, NULL, NULL);
2413 	MMIO_F(_MMIO(0x72440), 0xc, 0, 0, 0, D_PRE_SKL, NULL, NULL);
2414 	MMIO_F(_MMIO(0x7044c), 0xc, 0, 0, 0, D_PRE_SKL, NULL, NULL);
2415 	MMIO_F(_MMIO(0x7144c), 0xc, 0, 0, 0, D_PRE_SKL, NULL, NULL);
2416 	MMIO_F(_MMIO(0x7244c), 0xc, 0, 0, 0, D_PRE_SKL, NULL, NULL);
2417 
2418 	MMIO_D(PIPE_WM_LINETIME(PIPE_A), D_ALL);
2419 	MMIO_D(PIPE_WM_LINETIME(PIPE_B), D_ALL);
2420 	MMIO_D(PIPE_WM_LINETIME(PIPE_C), D_ALL);
2421 	MMIO_D(SPLL_CTL, D_ALL);
2422 	MMIO_D(_MMIO(_WRPLL_CTL1), D_ALL);
2423 	MMIO_D(_MMIO(_WRPLL_CTL2), D_ALL);
2424 	MMIO_D(PORT_CLK_SEL(PORT_A), D_ALL);
2425 	MMIO_D(PORT_CLK_SEL(PORT_B), D_ALL);
2426 	MMIO_D(PORT_CLK_SEL(PORT_C), D_ALL);
2427 	MMIO_D(PORT_CLK_SEL(PORT_D), D_ALL);
2428 	MMIO_D(PORT_CLK_SEL(PORT_E), D_ALL);
2429 	MMIO_D(TRANS_CLK_SEL(TRANSCODER_A), D_ALL);
2430 	MMIO_D(TRANS_CLK_SEL(TRANSCODER_B), D_ALL);
2431 	MMIO_D(TRANS_CLK_SEL(TRANSCODER_C), D_ALL);
2432 
2433 	MMIO_D(HSW_NDE_RSTWRN_OPT, D_ALL);
2434 	MMIO_D(_MMIO(0x46508), D_ALL);
2435 
2436 	MMIO_D(_MMIO(0x49080), D_ALL);
2437 	MMIO_D(_MMIO(0x49180), D_ALL);
2438 	MMIO_D(_MMIO(0x49280), D_ALL);
2439 
2440 	MMIO_F(_MMIO(0x49090), 0x14, 0, 0, 0, D_ALL, NULL, NULL);
2441 	MMIO_F(_MMIO(0x49190), 0x14, 0, 0, 0, D_ALL, NULL, NULL);
2442 	MMIO_F(_MMIO(0x49290), 0x14, 0, 0, 0, D_ALL, NULL, NULL);
2443 
2444 	MMIO_D(GAMMA_MODE(PIPE_A), D_ALL);
2445 	MMIO_D(GAMMA_MODE(PIPE_B), D_ALL);
2446 	MMIO_D(GAMMA_MODE(PIPE_C), D_ALL);
2447 
2448 	MMIO_D(PIPE_MULT(PIPE_A), D_ALL);
2449 	MMIO_D(PIPE_MULT(PIPE_B), D_ALL);
2450 	MMIO_D(PIPE_MULT(PIPE_C), D_ALL);
2451 
2452 	MMIO_D(HSW_TVIDEO_DIP_CTL(TRANSCODER_A), D_ALL);
2453 	MMIO_D(HSW_TVIDEO_DIP_CTL(TRANSCODER_B), D_ALL);
2454 	MMIO_D(HSW_TVIDEO_DIP_CTL(TRANSCODER_C), D_ALL);
2455 
2456 	MMIO_DH(SFUSE_STRAP, D_ALL, NULL, NULL);
2457 	MMIO_D(SBI_ADDR, D_ALL);
2458 	MMIO_DH(SBI_DATA, D_ALL, sbi_data_mmio_read, NULL);
2459 	MMIO_DH(SBI_CTL_STAT, D_ALL, NULL, sbi_ctl_mmio_write);
2460 	MMIO_D(PIXCLK_GATE, D_ALL);
2461 
2462 	MMIO_F(_MMIO(_DPA_AUX_CH_CTL), 6 * 4, 0, 0, 0, D_ALL, NULL,
2463 		dp_aux_ch_ctl_mmio_write);
2464 
2465 	MMIO_DH(DDI_BUF_CTL(PORT_A), D_ALL, NULL, ddi_buf_ctl_mmio_write);
2466 	MMIO_DH(DDI_BUF_CTL(PORT_B), D_ALL, NULL, ddi_buf_ctl_mmio_write);
2467 	MMIO_DH(DDI_BUF_CTL(PORT_C), D_ALL, NULL, ddi_buf_ctl_mmio_write);
2468 	MMIO_DH(DDI_BUF_CTL(PORT_D), D_ALL, NULL, ddi_buf_ctl_mmio_write);
2469 	MMIO_DH(DDI_BUF_CTL(PORT_E), D_ALL, NULL, ddi_buf_ctl_mmio_write);
2470 
2471 	MMIO_DH(DP_TP_CTL(PORT_A), D_ALL, NULL, dp_tp_ctl_mmio_write);
2472 	MMIO_DH(DP_TP_CTL(PORT_B), D_ALL, NULL, dp_tp_ctl_mmio_write);
2473 	MMIO_DH(DP_TP_CTL(PORT_C), D_ALL, NULL, dp_tp_ctl_mmio_write);
2474 	MMIO_DH(DP_TP_CTL(PORT_D), D_ALL, NULL, dp_tp_ctl_mmio_write);
2475 	MMIO_DH(DP_TP_CTL(PORT_E), D_ALL, NULL, dp_tp_ctl_mmio_write);
2476 
2477 	MMIO_DH(DP_TP_STATUS(PORT_A), D_ALL, NULL, dp_tp_status_mmio_write);
2478 	MMIO_DH(DP_TP_STATUS(PORT_B), D_ALL, NULL, dp_tp_status_mmio_write);
2479 	MMIO_DH(DP_TP_STATUS(PORT_C), D_ALL, NULL, dp_tp_status_mmio_write);
2480 	MMIO_DH(DP_TP_STATUS(PORT_D), D_ALL, NULL, dp_tp_status_mmio_write);
2481 	MMIO_DH(DP_TP_STATUS(PORT_E), D_ALL, NULL, NULL);
2482 
2483 	MMIO_F(_MMIO(_DDI_BUF_TRANS_A), 0x50, 0, 0, 0, D_ALL, NULL, NULL);
2484 	MMIO_F(_MMIO(0x64e60), 0x50, 0, 0, 0, D_ALL, NULL, NULL);
2485 	MMIO_F(_MMIO(0x64eC0), 0x50, 0, 0, 0, D_ALL, NULL, NULL);
2486 	MMIO_F(_MMIO(0x64f20), 0x50, 0, 0, 0, D_ALL, NULL, NULL);
2487 	MMIO_F(_MMIO(0x64f80), 0x50, 0, 0, 0, D_ALL, NULL, NULL);
2488 
2489 	MMIO_D(HSW_AUD_CFG(PIPE_A), D_ALL);
2490 	MMIO_D(HSW_AUD_PIN_ELD_CP_VLD, D_ALL);
2491 	MMIO_D(HSW_AUD_MISC_CTRL(PIPE_A), D_ALL);
2492 
2493 	MMIO_DH(_MMIO(_TRANS_DDI_FUNC_CTL_A), D_ALL, NULL, NULL);
2494 	MMIO_DH(_MMIO(_TRANS_DDI_FUNC_CTL_B), D_ALL, NULL, NULL);
2495 	MMIO_DH(_MMIO(_TRANS_DDI_FUNC_CTL_C), D_ALL, NULL, NULL);
2496 	MMIO_DH(_MMIO(_TRANS_DDI_FUNC_CTL_EDP), D_ALL, NULL, NULL);
2497 
2498 	MMIO_D(_MMIO(_TRANSA_MSA_MISC), D_ALL);
2499 	MMIO_D(_MMIO(_TRANSB_MSA_MISC), D_ALL);
2500 	MMIO_D(_MMIO(_TRANSC_MSA_MISC), D_ALL);
2501 	MMIO_D(_MMIO(_TRANS_EDP_MSA_MISC), D_ALL);
2502 
2503 	MMIO_DH(FORCEWAKE, D_ALL, NULL, NULL);
2504 	MMIO_D(FORCEWAKE_ACK, D_ALL);
2505 	MMIO_D(GEN6_GT_CORE_STATUS, D_ALL);
2506 	MMIO_D(GEN6_GT_THREAD_STATUS_REG, D_ALL);
2507 	MMIO_DFH(GTFIFODBG, D_ALL, F_CMD_ACCESS, NULL, NULL);
2508 	MMIO_DFH(GTFIFOCTL, D_ALL, F_CMD_ACCESS, NULL, NULL);
2509 	MMIO_DH(FORCEWAKE_MT, D_PRE_SKL, NULL, mul_force_wake_write);
2510 	MMIO_DH(FORCEWAKE_ACK_HSW, D_BDW, NULL, NULL);
2511 	MMIO_D(ECOBUS, D_ALL);
2512 	MMIO_DH(GEN6_RC_CONTROL, D_ALL, NULL, NULL);
2513 	MMIO_DH(GEN6_RC_STATE, D_ALL, NULL, NULL);
2514 	MMIO_D(GEN6_RPNSWREQ, D_ALL);
2515 	MMIO_D(GEN6_RC_VIDEO_FREQ, D_ALL);
2516 	MMIO_D(GEN6_RP_DOWN_TIMEOUT, D_ALL);
2517 	MMIO_D(GEN6_RP_INTERRUPT_LIMITS, D_ALL);
2518 	MMIO_D(GEN6_RPSTAT1, D_ALL);
2519 	MMIO_D(GEN6_RP_CONTROL, D_ALL);
2520 	MMIO_D(GEN6_RP_UP_THRESHOLD, D_ALL);
2521 	MMIO_D(GEN6_RP_DOWN_THRESHOLD, D_ALL);
2522 	MMIO_D(GEN6_RP_CUR_UP_EI, D_ALL);
2523 	MMIO_D(GEN6_RP_CUR_UP, D_ALL);
2524 	MMIO_D(GEN6_RP_PREV_UP, D_ALL);
2525 	MMIO_D(GEN6_RP_CUR_DOWN_EI, D_ALL);
2526 	MMIO_D(GEN6_RP_CUR_DOWN, D_ALL);
2527 	MMIO_D(GEN6_RP_PREV_DOWN, D_ALL);
2528 	MMIO_D(GEN6_RP_UP_EI, D_ALL);
2529 	MMIO_D(GEN6_RP_DOWN_EI, D_ALL);
2530 	MMIO_D(GEN6_RP_IDLE_HYSTERSIS, D_ALL);
2531 	MMIO_D(GEN6_RC1_WAKE_RATE_LIMIT, D_ALL);
2532 	MMIO_D(GEN6_RC6_WAKE_RATE_LIMIT, D_ALL);
2533 	MMIO_D(GEN6_RC6pp_WAKE_RATE_LIMIT, D_ALL);
2534 	MMIO_D(GEN6_RC_EVALUATION_INTERVAL, D_ALL);
2535 	MMIO_D(GEN6_RC_IDLE_HYSTERSIS, D_ALL);
2536 	MMIO_D(GEN6_RC_SLEEP, D_ALL);
2537 	MMIO_D(GEN6_RC1e_THRESHOLD, D_ALL);
2538 	MMIO_D(GEN6_RC6_THRESHOLD, D_ALL);
2539 	MMIO_D(GEN6_RC6p_THRESHOLD, D_ALL);
2540 	MMIO_D(GEN6_RC6pp_THRESHOLD, D_ALL);
2541 	MMIO_D(GEN6_PMINTRMSK, D_ALL);
2542 	MMIO_DH(HSW_PWR_WELL_CTL1, D_BDW, NULL, power_well_ctl_mmio_write);
2543 	MMIO_DH(HSW_PWR_WELL_CTL2, D_BDW, NULL, power_well_ctl_mmio_write);
2544 	MMIO_DH(HSW_PWR_WELL_CTL3, D_BDW, NULL, power_well_ctl_mmio_write);
2545 	MMIO_DH(HSW_PWR_WELL_CTL4, D_BDW, NULL, power_well_ctl_mmio_write);
2546 	MMIO_DH(HSW_PWR_WELL_CTL5, D_BDW, NULL, power_well_ctl_mmio_write);
2547 	MMIO_DH(HSW_PWR_WELL_CTL6, D_BDW, NULL, power_well_ctl_mmio_write);
2548 
2549 	MMIO_D(RSTDBYCTL, D_ALL);
2550 
2551 	MMIO_DH(GEN6_GDRST, D_ALL, NULL, gdrst_mmio_write);
2552 	MMIO_F(FENCE_REG_GEN6_LO(0), 0x80, 0, 0, 0, D_ALL, fence_mmio_read, fence_mmio_write);
2553 	MMIO_DH(CPU_VGACNTRL, D_ALL, NULL, vga_control_mmio_write);
2554 
2555 	MMIO_D(TILECTL, D_ALL);
2556 
2557 	MMIO_D(GEN6_UCGCTL1, D_ALL);
2558 	MMIO_D(GEN6_UCGCTL2, D_ALL);
2559 
2560 	MMIO_F(_MMIO(0x4f000), 0x90, 0, 0, 0, D_ALL, NULL, NULL);
2561 
2562 	MMIO_D(GEN6_PCODE_DATA, D_ALL);
2563 	MMIO_D(_MMIO(0x13812c), D_ALL);
2564 	MMIO_DH(GEN7_ERR_INT, D_ALL, NULL, NULL);
2565 	MMIO_D(HSW_EDRAM_CAP, D_ALL);
2566 	MMIO_D(HSW_IDICR, D_ALL);
2567 	MMIO_DH(GFX_FLSH_CNTL_GEN6, D_ALL, NULL, NULL);
2568 
2569 	MMIO_D(_MMIO(0x3c), D_ALL);
2570 	MMIO_D(_MMIO(0x860), D_ALL);
2571 	MMIO_D(ECOSKPD, D_ALL);
2572 	MMIO_D(_MMIO(0x121d0), D_ALL);
2573 	MMIO_D(GEN6_BLITTER_ECOSKPD, D_ALL);
2574 	MMIO_D(_MMIO(0x41d0), D_ALL);
2575 	MMIO_D(GAC_ECO_BITS, D_ALL);
2576 	MMIO_D(_MMIO(0x6200), D_ALL);
2577 	MMIO_D(_MMIO(0x6204), D_ALL);
2578 	MMIO_D(_MMIO(0x6208), D_ALL);
2579 	MMIO_D(_MMIO(0x7118), D_ALL);
2580 	MMIO_D(_MMIO(0x7180), D_ALL);
2581 	MMIO_D(_MMIO(0x7408), D_ALL);
2582 	MMIO_D(_MMIO(0x7c00), D_ALL);
2583 	MMIO_DH(GEN6_MBCTL, D_ALL, NULL, mbctl_write);
2584 	MMIO_D(_MMIO(0x911c), D_ALL);
2585 	MMIO_D(_MMIO(0x9120), D_ALL);
2586 	MMIO_DFH(GEN7_UCGCTL4, D_ALL, F_CMD_ACCESS, NULL, NULL);
2587 
2588 	MMIO_D(GAB_CTL, D_ALL);
2589 	MMIO_D(_MMIO(0x48800), D_ALL);
2590 	MMIO_D(_MMIO(0xce044), D_ALL);
2591 	MMIO_D(_MMIO(0xe6500), D_ALL);
2592 	MMIO_D(_MMIO(0xe6504), D_ALL);
2593 	MMIO_D(_MMIO(0xe6600), D_ALL);
2594 	MMIO_D(_MMIO(0xe6604), D_ALL);
2595 	MMIO_D(_MMIO(0xe6700), D_ALL);
2596 	MMIO_D(_MMIO(0xe6704), D_ALL);
2597 	MMIO_D(_MMIO(0xe6800), D_ALL);
2598 	MMIO_D(_MMIO(0xe6804), D_ALL);
2599 	MMIO_D(PCH_GMBUS4, D_ALL);
2600 	MMIO_D(PCH_GMBUS5, D_ALL);
2601 
2602 	MMIO_D(_MMIO(0x902c), D_ALL);
2603 	MMIO_D(_MMIO(0xec008), D_ALL);
2604 	MMIO_D(_MMIO(0xec00c), D_ALL);
2605 	MMIO_D(_MMIO(0xec008 + 0x18), D_ALL);
2606 	MMIO_D(_MMIO(0xec00c + 0x18), D_ALL);
2607 	MMIO_D(_MMIO(0xec008 + 0x18 * 2), D_ALL);
2608 	MMIO_D(_MMIO(0xec00c + 0x18 * 2), D_ALL);
2609 	MMIO_D(_MMIO(0xec008 + 0x18 * 3), D_ALL);
2610 	MMIO_D(_MMIO(0xec00c + 0x18 * 3), D_ALL);
2611 	MMIO_D(_MMIO(0xec408), D_ALL);
2612 	MMIO_D(_MMIO(0xec40c), D_ALL);
2613 	MMIO_D(_MMIO(0xec408 + 0x18), D_ALL);
2614 	MMIO_D(_MMIO(0xec40c + 0x18), D_ALL);
2615 	MMIO_D(_MMIO(0xec408 + 0x18 * 2), D_ALL);
2616 	MMIO_D(_MMIO(0xec40c + 0x18 * 2), D_ALL);
2617 	MMIO_D(_MMIO(0xec408 + 0x18 * 3), D_ALL);
2618 	MMIO_D(_MMIO(0xec40c + 0x18 * 3), D_ALL);
2619 	MMIO_D(_MMIO(0xfc810), D_ALL);
2620 	MMIO_D(_MMIO(0xfc81c), D_ALL);
2621 	MMIO_D(_MMIO(0xfc828), D_ALL);
2622 	MMIO_D(_MMIO(0xfc834), D_ALL);
2623 	MMIO_D(_MMIO(0xfcc00), D_ALL);
2624 	MMIO_D(_MMIO(0xfcc0c), D_ALL);
2625 	MMIO_D(_MMIO(0xfcc18), D_ALL);
2626 	MMIO_D(_MMIO(0xfcc24), D_ALL);
2627 	MMIO_D(_MMIO(0xfd000), D_ALL);
2628 	MMIO_D(_MMIO(0xfd00c), D_ALL);
2629 	MMIO_D(_MMIO(0xfd018), D_ALL);
2630 	MMIO_D(_MMIO(0xfd024), D_ALL);
2631 	MMIO_D(_MMIO(0xfd034), D_ALL);
2632 
2633 	MMIO_DH(FPGA_DBG, D_ALL, NULL, fpga_dbg_mmio_write);
2634 	MMIO_D(_MMIO(0x2054), D_ALL);
2635 	MMIO_D(_MMIO(0x12054), D_ALL);
2636 	MMIO_D(_MMIO(0x22054), D_ALL);
2637 	MMIO_D(_MMIO(0x1a054), D_ALL);
2638 
2639 	MMIO_D(_MMIO(0x44070), D_ALL);
2640 	MMIO_DFH(_MMIO(0x215c), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2641 	MMIO_DFH(_MMIO(0x2178), D_ALL, F_CMD_ACCESS, NULL, NULL);
2642 	MMIO_DFH(_MMIO(0x217c), D_ALL, F_CMD_ACCESS, NULL, NULL);
2643 	MMIO_DFH(_MMIO(0x12178), D_ALL, F_CMD_ACCESS, NULL, NULL);
2644 	MMIO_DFH(_MMIO(0x1217c), D_ALL, F_CMD_ACCESS, NULL, NULL);
2645 
2646 	MMIO_F(_MMIO(0x2290), 8, F_CMD_ACCESS, 0, 0, D_BDW_PLUS, NULL, NULL);
2647 	MMIO_D(_MMIO(0x2b00), D_BDW_PLUS);
2648 	MMIO_D(_MMIO(0x2360), D_BDW_PLUS);
2649 	MMIO_F(_MMIO(0x5200), 32, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2650 	MMIO_F(_MMIO(0x5240), 32, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2651 	MMIO_F(_MMIO(0x5280), 16, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2652 
2653 	MMIO_DFH(_MMIO(0x1c17c), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2654 	MMIO_DFH(_MMIO(0x1c178), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2655 	MMIO_DFH(BCS_SWCTRL, D_ALL, F_CMD_ACCESS, NULL, NULL);
2656 
2657 	MMIO_F(HS_INVOCATION_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2658 	MMIO_F(DS_INVOCATION_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2659 	MMIO_F(IA_VERTICES_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2660 	MMIO_F(IA_PRIMITIVES_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2661 	MMIO_F(VS_INVOCATION_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2662 	MMIO_F(GS_INVOCATION_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2663 	MMIO_F(GS_PRIMITIVES_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2664 	MMIO_F(CL_INVOCATION_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2665 	MMIO_F(CL_PRIMITIVES_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2666 	MMIO_F(PS_INVOCATION_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2667 	MMIO_F(PS_DEPTH_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2668 	MMIO_DH(_MMIO(0x4260), D_BDW_PLUS, NULL, gvt_reg_tlb_control_handler);
2669 	MMIO_DH(_MMIO(0x4264), D_BDW_PLUS, NULL, gvt_reg_tlb_control_handler);
2670 	MMIO_DH(_MMIO(0x4268), D_BDW_PLUS, NULL, gvt_reg_tlb_control_handler);
2671 	MMIO_DH(_MMIO(0x426c), D_BDW_PLUS, NULL, gvt_reg_tlb_control_handler);
2672 	MMIO_DH(_MMIO(0x4270), D_BDW_PLUS, NULL, gvt_reg_tlb_control_handler);
2673 	MMIO_DFH(_MMIO(0x4094), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2674 
2675 	MMIO_DFH(ARB_MODE, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
2676 	MMIO_RING_GM_RDR(RING_BBADDR, D_ALL, NULL, NULL);
2677 	MMIO_DFH(_MMIO(0x2220), D_ALL, F_CMD_ACCESS, NULL, NULL);
2678 	MMIO_DFH(_MMIO(0x12220), D_ALL, F_CMD_ACCESS, NULL, NULL);
2679 	MMIO_DFH(_MMIO(0x22220), D_ALL, F_CMD_ACCESS, NULL, NULL);
2680 	MMIO_RING_DFH(RING_SYNC_1, D_ALL, F_CMD_ACCESS, NULL, NULL);
2681 	MMIO_RING_DFH(RING_SYNC_0, D_ALL, F_CMD_ACCESS, NULL, NULL);
2682 	MMIO_DFH(_MMIO(0x22178), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2683 	MMIO_DFH(_MMIO(0x1a178), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2684 	MMIO_DFH(_MMIO(0x1a17c), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2685 	MMIO_DFH(_MMIO(0x2217c), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2686 
2687 	MMIO_DH(EDP_PSR_IMR, D_BDW_PLUS, NULL, edp_psr_imr_iir_write);
2688 	MMIO_DH(EDP_PSR_IIR, D_BDW_PLUS, NULL, edp_psr_imr_iir_write);
2689 	MMIO_DH(GUC_STATUS, D_ALL, guc_status_read, NULL);
2690 
2691 	return 0;
2692 }
2693 
2694 static int init_bdw_mmio_info(struct intel_gvt *gvt)
2695 {
2696 	struct drm_i915_private *dev_priv = gvt->dev_priv;
2697 	int ret;
2698 
2699 	MMIO_DH(GEN8_GT_IMR(0), D_BDW_PLUS, NULL, intel_vgpu_reg_imr_handler);
2700 	MMIO_DH(GEN8_GT_IER(0), D_BDW_PLUS, NULL, intel_vgpu_reg_ier_handler);
2701 	MMIO_DH(GEN8_GT_IIR(0), D_BDW_PLUS, NULL, intel_vgpu_reg_iir_handler);
2702 	MMIO_D(GEN8_GT_ISR(0), D_BDW_PLUS);
2703 
2704 	MMIO_DH(GEN8_GT_IMR(1), D_BDW_PLUS, NULL, intel_vgpu_reg_imr_handler);
2705 	MMIO_DH(GEN8_GT_IER(1), D_BDW_PLUS, NULL, intel_vgpu_reg_ier_handler);
2706 	MMIO_DH(GEN8_GT_IIR(1), D_BDW_PLUS, NULL, intel_vgpu_reg_iir_handler);
2707 	MMIO_D(GEN8_GT_ISR(1), D_BDW_PLUS);
2708 
2709 	MMIO_DH(GEN8_GT_IMR(2), D_BDW_PLUS, NULL, intel_vgpu_reg_imr_handler);
2710 	MMIO_DH(GEN8_GT_IER(2), D_BDW_PLUS, NULL, intel_vgpu_reg_ier_handler);
2711 	MMIO_DH(GEN8_GT_IIR(2), D_BDW_PLUS, NULL, intel_vgpu_reg_iir_handler);
2712 	MMIO_D(GEN8_GT_ISR(2), D_BDW_PLUS);
2713 
2714 	MMIO_DH(GEN8_GT_IMR(3), D_BDW_PLUS, NULL, intel_vgpu_reg_imr_handler);
2715 	MMIO_DH(GEN8_GT_IER(3), D_BDW_PLUS, NULL, intel_vgpu_reg_ier_handler);
2716 	MMIO_DH(GEN8_GT_IIR(3), D_BDW_PLUS, NULL, intel_vgpu_reg_iir_handler);
2717 	MMIO_D(GEN8_GT_ISR(3), D_BDW_PLUS);
2718 
2719 	MMIO_DH(GEN8_DE_PIPE_IMR(PIPE_A), D_BDW_PLUS, NULL,
2720 		intel_vgpu_reg_imr_handler);
2721 	MMIO_DH(GEN8_DE_PIPE_IER(PIPE_A), D_BDW_PLUS, NULL,
2722 		intel_vgpu_reg_ier_handler);
2723 	MMIO_DH(GEN8_DE_PIPE_IIR(PIPE_A), D_BDW_PLUS, NULL,
2724 		intel_vgpu_reg_iir_handler);
2725 	MMIO_D(GEN8_DE_PIPE_ISR(PIPE_A), D_BDW_PLUS);
2726 
2727 	MMIO_DH(GEN8_DE_PIPE_IMR(PIPE_B), D_BDW_PLUS, NULL,
2728 		intel_vgpu_reg_imr_handler);
2729 	MMIO_DH(GEN8_DE_PIPE_IER(PIPE_B), D_BDW_PLUS, NULL,
2730 		intel_vgpu_reg_ier_handler);
2731 	MMIO_DH(GEN8_DE_PIPE_IIR(PIPE_B), D_BDW_PLUS, NULL,
2732 		intel_vgpu_reg_iir_handler);
2733 	MMIO_D(GEN8_DE_PIPE_ISR(PIPE_B), D_BDW_PLUS);
2734 
2735 	MMIO_DH(GEN8_DE_PIPE_IMR(PIPE_C), D_BDW_PLUS, NULL,
2736 		intel_vgpu_reg_imr_handler);
2737 	MMIO_DH(GEN8_DE_PIPE_IER(PIPE_C), D_BDW_PLUS, NULL,
2738 		intel_vgpu_reg_ier_handler);
2739 	MMIO_DH(GEN8_DE_PIPE_IIR(PIPE_C), D_BDW_PLUS, NULL,
2740 		intel_vgpu_reg_iir_handler);
2741 	MMIO_D(GEN8_DE_PIPE_ISR(PIPE_C), D_BDW_PLUS);
2742 
2743 	MMIO_DH(GEN8_DE_PORT_IMR, D_BDW_PLUS, NULL, intel_vgpu_reg_imr_handler);
2744 	MMIO_DH(GEN8_DE_PORT_IER, D_BDW_PLUS, NULL, intel_vgpu_reg_ier_handler);
2745 	MMIO_DH(GEN8_DE_PORT_IIR, D_BDW_PLUS, NULL, intel_vgpu_reg_iir_handler);
2746 	MMIO_D(GEN8_DE_PORT_ISR, D_BDW_PLUS);
2747 
2748 	MMIO_DH(GEN8_DE_MISC_IMR, D_BDW_PLUS, NULL, intel_vgpu_reg_imr_handler);
2749 	MMIO_DH(GEN8_DE_MISC_IER, D_BDW_PLUS, NULL, intel_vgpu_reg_ier_handler);
2750 	MMIO_DH(GEN8_DE_MISC_IIR, D_BDW_PLUS, NULL, intel_vgpu_reg_iir_handler);
2751 	MMIO_D(GEN8_DE_MISC_ISR, D_BDW_PLUS);
2752 
2753 	MMIO_DH(GEN8_PCU_IMR, D_BDW_PLUS, NULL, intel_vgpu_reg_imr_handler);
2754 	MMIO_DH(GEN8_PCU_IER, D_BDW_PLUS, NULL, intel_vgpu_reg_ier_handler);
2755 	MMIO_DH(GEN8_PCU_IIR, D_BDW_PLUS, NULL, intel_vgpu_reg_iir_handler);
2756 	MMIO_D(GEN8_PCU_ISR, D_BDW_PLUS);
2757 
2758 	MMIO_DH(GEN8_MASTER_IRQ, D_BDW_PLUS, NULL,
2759 		intel_vgpu_reg_master_irq_handler);
2760 
2761 	MMIO_RING_DFH(RING_ACTHD_UDW, D_BDW_PLUS, F_CMD_ACCESS,
2762 		mmio_read_from_hw, NULL);
2763 
2764 #define RING_REG(base) _MMIO((base) + 0xd0)
2765 	MMIO_RING_F(RING_REG, 4, F_RO, 0,
2766 		~_MASKED_BIT_ENABLE(RESET_CTL_REQUEST_RESET), D_BDW_PLUS, NULL,
2767 		ring_reset_ctl_write);
2768 #undef RING_REG
2769 
2770 #define RING_REG(base) _MMIO((base) + 0x230)
2771 	MMIO_RING_DFH(RING_REG, D_BDW_PLUS, 0, NULL, elsp_mmio_write);
2772 #undef RING_REG
2773 
2774 #define RING_REG(base) _MMIO((base) + 0x234)
2775 	MMIO_RING_F(RING_REG, 8, F_RO | F_CMD_ACCESS, 0, ~0, D_BDW_PLUS,
2776 		NULL, NULL);
2777 #undef RING_REG
2778 
2779 #define RING_REG(base) _MMIO((base) + 0x244)
2780 	MMIO_RING_DFH(RING_REG, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2781 #undef RING_REG
2782 
2783 #define RING_REG(base) _MMIO((base) + 0x370)
2784 	MMIO_RING_F(RING_REG, 48, F_RO, 0, ~0, D_BDW_PLUS, NULL, NULL);
2785 #undef RING_REG
2786 
2787 #define RING_REG(base) _MMIO((base) + 0x3a0)
2788 	MMIO_RING_DFH(RING_REG, D_BDW_PLUS, F_MODE_MASK, NULL, NULL);
2789 #undef RING_REG
2790 
2791 	MMIO_D(PIPEMISC(PIPE_A), D_BDW_PLUS);
2792 	MMIO_D(PIPEMISC(PIPE_B), D_BDW_PLUS);
2793 	MMIO_D(PIPEMISC(PIPE_C), D_BDW_PLUS);
2794 	MMIO_D(_MMIO(0x1c1d0), D_BDW_PLUS);
2795 	MMIO_D(GEN6_MBCUNIT_SNPCR, D_BDW_PLUS);
2796 	MMIO_D(GEN7_MISCCPCTL, D_BDW_PLUS);
2797 	MMIO_D(_MMIO(0x1c054), D_BDW_PLUS);
2798 
2799 	MMIO_DH(GEN6_PCODE_MAILBOX, D_BDW_PLUS, NULL, mailbox_write);
2800 
2801 	MMIO_D(GEN8_PRIVATE_PAT_LO, D_BDW_PLUS);
2802 	MMIO_D(GEN8_PRIVATE_PAT_HI, D_BDW_PLUS);
2803 
2804 	MMIO_D(GAMTARBMODE, D_BDW_PLUS);
2805 
2806 #define RING_REG(base) _MMIO((base) + 0x270)
2807 	MMIO_RING_F(RING_REG, 32, 0, 0, 0, D_BDW_PLUS, NULL, NULL);
2808 #undef RING_REG
2809 
2810 	MMIO_RING_GM_RDR(RING_HWS_PGA, D_BDW_PLUS, NULL, hws_pga_write);
2811 
2812 	MMIO_DFH(HDC_CHICKEN0, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
2813 
2814 	MMIO_D(CHICKEN_PIPESL_1(PIPE_A), D_BDW_PLUS);
2815 	MMIO_D(CHICKEN_PIPESL_1(PIPE_B), D_BDW_PLUS);
2816 	MMIO_D(CHICKEN_PIPESL_1(PIPE_C), D_BDW_PLUS);
2817 
2818 	MMIO_D(WM_MISC, D_BDW);
2819 	MMIO_D(_MMIO(_SRD_CTL_EDP), D_BDW);
2820 
2821 	MMIO_D(_MMIO(0x6671c), D_BDW_PLUS);
2822 	MMIO_D(_MMIO(0x66c00), D_BDW_PLUS);
2823 	MMIO_D(_MMIO(0x66c04), D_BDW_PLUS);
2824 
2825 	MMIO_D(HSW_GTT_CACHE_EN, D_BDW_PLUS);
2826 
2827 	MMIO_D(GEN8_EU_DISABLE0, D_BDW_PLUS);
2828 	MMIO_D(GEN8_EU_DISABLE1, D_BDW_PLUS);
2829 	MMIO_D(GEN8_EU_DISABLE2, D_BDW_PLUS);
2830 
2831 	MMIO_D(_MMIO(0xfdc), D_BDW_PLUS);
2832 	MMIO_DFH(GEN8_ROW_CHICKEN, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS,
2833 		NULL, NULL);
2834 	MMIO_DFH(GEN7_ROW_CHICKEN2, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS,
2835 		NULL, NULL);
2836 	MMIO_DFH(GEN8_UCGCTL6, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2837 
2838 	MMIO_DFH(_MMIO(0xb1f0), D_BDW, F_CMD_ACCESS, NULL, NULL);
2839 	MMIO_DFH(_MMIO(0xb1c0), D_BDW, F_CMD_ACCESS, NULL, NULL);
2840 	MMIO_DFH(GEN8_L3SQCREG4, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2841 	MMIO_DFH(_MMIO(0xb100), D_BDW, F_CMD_ACCESS, NULL, NULL);
2842 	MMIO_DFH(_MMIO(0xb10c), D_BDW, F_CMD_ACCESS, NULL, NULL);
2843 	MMIO_D(_MMIO(0xb110), D_BDW);
2844 
2845 	MMIO_F(_MMIO(0x24d0), 48, F_CMD_ACCESS, 0, 0, D_BDW_PLUS,
2846 		NULL, force_nonpriv_write);
2847 
2848 	MMIO_D(_MMIO(0x44484), D_BDW_PLUS);
2849 	MMIO_D(_MMIO(0x4448c), D_BDW_PLUS);
2850 
2851 	MMIO_DFH(_MMIO(0x83a4), D_BDW, F_CMD_ACCESS, NULL, NULL);
2852 	MMIO_D(GEN8_L3_LRA_1_GPGPU, D_BDW_PLUS);
2853 
2854 	MMIO_DFH(_MMIO(0x8430), D_BDW, F_CMD_ACCESS, NULL, NULL);
2855 
2856 	MMIO_D(_MMIO(0x110000), D_BDW_PLUS);
2857 
2858 	MMIO_D(_MMIO(0x48400), D_BDW_PLUS);
2859 
2860 	MMIO_D(_MMIO(0x6e570), D_BDW_PLUS);
2861 	MMIO_D(_MMIO(0x65f10), D_BDW_PLUS);
2862 
2863 	MMIO_DFH(_MMIO(0xe194), D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
2864 	MMIO_DFH(_MMIO(0xe188), D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
2865 	MMIO_DFH(HALF_SLICE_CHICKEN2, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
2866 	MMIO_DFH(_MMIO(0x2580), D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
2867 
2868 	MMIO_DFH(_MMIO(0x2248), D_BDW, F_CMD_ACCESS, NULL, NULL);
2869 
2870 	MMIO_DFH(_MMIO(0xe220), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2871 	MMIO_DFH(_MMIO(0xe230), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2872 	MMIO_DFH(_MMIO(0xe240), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2873 	MMIO_DFH(_MMIO(0xe260), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2874 	MMIO_DFH(_MMIO(0xe270), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2875 	MMIO_DFH(_MMIO(0xe280), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2876 	MMIO_DFH(_MMIO(0xe2a0), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2877 	MMIO_DFH(_MMIO(0xe2b0), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2878 	MMIO_DFH(_MMIO(0xe2c0), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2879 	MMIO_DFH(_MMIO(0x21f0), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2880 	return 0;
2881 }
2882 
2883 static int init_skl_mmio_info(struct intel_gvt *gvt)
2884 {
2885 	struct drm_i915_private *dev_priv = gvt->dev_priv;
2886 	int ret;
2887 
2888 	MMIO_DH(FORCEWAKE_RENDER_GEN9, D_SKL_PLUS, NULL, mul_force_wake_write);
2889 	MMIO_DH(FORCEWAKE_ACK_RENDER_GEN9, D_SKL_PLUS, NULL, NULL);
2890 	MMIO_DH(FORCEWAKE_BLITTER_GEN9, D_SKL_PLUS, NULL, mul_force_wake_write);
2891 	MMIO_DH(FORCEWAKE_ACK_BLITTER_GEN9, D_SKL_PLUS, NULL, NULL);
2892 	MMIO_DH(FORCEWAKE_MEDIA_GEN9, D_SKL_PLUS, NULL, mul_force_wake_write);
2893 	MMIO_DH(FORCEWAKE_ACK_MEDIA_GEN9, D_SKL_PLUS, NULL, NULL);
2894 
2895 	MMIO_F(DP_AUX_CH_CTL(AUX_CH_B), 6 * 4, 0, 0, 0, D_SKL_PLUS, NULL,
2896 						dp_aux_ch_ctl_mmio_write);
2897 	MMIO_F(DP_AUX_CH_CTL(AUX_CH_C), 6 * 4, 0, 0, 0, D_SKL_PLUS, NULL,
2898 						dp_aux_ch_ctl_mmio_write);
2899 	MMIO_F(DP_AUX_CH_CTL(AUX_CH_D), 6 * 4, 0, 0, 0, D_SKL_PLUS, NULL,
2900 						dp_aux_ch_ctl_mmio_write);
2901 
2902 	MMIO_D(HSW_PWR_WELL_CTL1, D_SKL_PLUS);
2903 	MMIO_DH(HSW_PWR_WELL_CTL2, D_SKL_PLUS, NULL, skl_power_well_ctl_write);
2904 
2905 	MMIO_DH(DBUF_CTL, D_SKL_PLUS, NULL, gen9_dbuf_ctl_mmio_write);
2906 
2907 	MMIO_D(GEN9_PG_ENABLE, D_SKL_PLUS);
2908 	MMIO_D(GEN9_MEDIA_PG_IDLE_HYSTERESIS, D_SKL_PLUS);
2909 	MMIO_D(GEN9_RENDER_PG_IDLE_HYSTERESIS, D_SKL_PLUS);
2910 	MMIO_DFH(GEN9_GAMT_ECO_REG_RW_IA, D_SKL_PLUS, F_CMD_ACCESS, NULL, NULL);
2911 	MMIO_DH(MMCD_MISC_CTRL, D_SKL_PLUS, NULL, NULL);
2912 	MMIO_DH(CHICKEN_PAR1_1, D_SKL_PLUS, NULL, NULL);
2913 	MMIO_D(DC_STATE_EN, D_SKL_PLUS);
2914 	MMIO_D(DC_STATE_DEBUG, D_SKL_PLUS);
2915 	MMIO_D(CDCLK_CTL, D_SKL_PLUS);
2916 	MMIO_DH(LCPLL1_CTL, D_SKL_PLUS, NULL, skl_lcpll_write);
2917 	MMIO_DH(LCPLL2_CTL, D_SKL_PLUS, NULL, skl_lcpll_write);
2918 	MMIO_D(_MMIO(_DPLL1_CFGCR1), D_SKL_PLUS);
2919 	MMIO_D(_MMIO(_DPLL2_CFGCR1), D_SKL_PLUS);
2920 	MMIO_D(_MMIO(_DPLL3_CFGCR1), D_SKL_PLUS);
2921 	MMIO_D(_MMIO(_DPLL1_CFGCR2), D_SKL_PLUS);
2922 	MMIO_D(_MMIO(_DPLL2_CFGCR2), D_SKL_PLUS);
2923 	MMIO_D(_MMIO(_DPLL3_CFGCR2), D_SKL_PLUS);
2924 	MMIO_D(DPLL_CTRL1, D_SKL_PLUS);
2925 	MMIO_D(DPLL_CTRL2, D_SKL_PLUS);
2926 	MMIO_DH(DPLL_STATUS, D_SKL_PLUS, dpll_status_read, NULL);
2927 
2928 	MMIO_DH(SKL_PS_WIN_POS(PIPE_A, 0), D_SKL_PLUS, NULL, pf_write);
2929 	MMIO_DH(SKL_PS_WIN_POS(PIPE_A, 1), D_SKL_PLUS, NULL, pf_write);
2930 	MMIO_DH(SKL_PS_WIN_POS(PIPE_B, 0), D_SKL_PLUS, NULL, pf_write);
2931 	MMIO_DH(SKL_PS_WIN_POS(PIPE_B, 1), D_SKL_PLUS, NULL, pf_write);
2932 	MMIO_DH(SKL_PS_WIN_POS(PIPE_C, 0), D_SKL_PLUS, NULL, pf_write);
2933 	MMIO_DH(SKL_PS_WIN_POS(PIPE_C, 1), D_SKL_PLUS, NULL, pf_write);
2934 
2935 	MMIO_DH(SKL_PS_WIN_SZ(PIPE_A, 0), D_SKL_PLUS, NULL, pf_write);
2936 	MMIO_DH(SKL_PS_WIN_SZ(PIPE_A, 1), D_SKL_PLUS, NULL, pf_write);
2937 	MMIO_DH(SKL_PS_WIN_SZ(PIPE_B, 0), D_SKL_PLUS, NULL, pf_write);
2938 	MMIO_DH(SKL_PS_WIN_SZ(PIPE_B, 1), D_SKL_PLUS, NULL, pf_write);
2939 	MMIO_DH(SKL_PS_WIN_SZ(PIPE_C, 0), D_SKL_PLUS, NULL, pf_write);
2940 	MMIO_DH(SKL_PS_WIN_SZ(PIPE_C, 1), D_SKL_PLUS, NULL, pf_write);
2941 
2942 	MMIO_DH(SKL_PS_CTRL(PIPE_A, 0), D_SKL_PLUS, NULL, pf_write);
2943 	MMIO_DH(SKL_PS_CTRL(PIPE_A, 1), D_SKL_PLUS, NULL, pf_write);
2944 	MMIO_DH(SKL_PS_CTRL(PIPE_B, 0), D_SKL_PLUS, NULL, pf_write);
2945 	MMIO_DH(SKL_PS_CTRL(PIPE_B, 1), D_SKL_PLUS, NULL, pf_write);
2946 	MMIO_DH(SKL_PS_CTRL(PIPE_C, 0), D_SKL_PLUS, NULL, pf_write);
2947 	MMIO_DH(SKL_PS_CTRL(PIPE_C, 1), D_SKL_PLUS, NULL, pf_write);
2948 
2949 	MMIO_DH(PLANE_BUF_CFG(PIPE_A, 0), D_SKL_PLUS, NULL, NULL);
2950 	MMIO_DH(PLANE_BUF_CFG(PIPE_A, 1), D_SKL_PLUS, NULL, NULL);
2951 	MMIO_DH(PLANE_BUF_CFG(PIPE_A, 2), D_SKL_PLUS, NULL, NULL);
2952 	MMIO_DH(PLANE_BUF_CFG(PIPE_A, 3), D_SKL_PLUS, NULL, NULL);
2953 
2954 	MMIO_DH(PLANE_BUF_CFG(PIPE_B, 0), D_SKL_PLUS, NULL, NULL);
2955 	MMIO_DH(PLANE_BUF_CFG(PIPE_B, 1), D_SKL_PLUS, NULL, NULL);
2956 	MMIO_DH(PLANE_BUF_CFG(PIPE_B, 2), D_SKL_PLUS, NULL, NULL);
2957 	MMIO_DH(PLANE_BUF_CFG(PIPE_B, 3), D_SKL_PLUS, NULL, NULL);
2958 
2959 	MMIO_DH(PLANE_BUF_CFG(PIPE_C, 0), D_SKL_PLUS, NULL, NULL);
2960 	MMIO_DH(PLANE_BUF_CFG(PIPE_C, 1), D_SKL_PLUS, NULL, NULL);
2961 	MMIO_DH(PLANE_BUF_CFG(PIPE_C, 2), D_SKL_PLUS, NULL, NULL);
2962 	MMIO_DH(PLANE_BUF_CFG(PIPE_C, 3), D_SKL_PLUS, NULL, NULL);
2963 
2964 	MMIO_DH(CUR_BUF_CFG(PIPE_A), D_SKL_PLUS, NULL, NULL);
2965 	MMIO_DH(CUR_BUF_CFG(PIPE_B), D_SKL_PLUS, NULL, NULL);
2966 	MMIO_DH(CUR_BUF_CFG(PIPE_C), D_SKL_PLUS, NULL, NULL);
2967 
2968 	MMIO_F(PLANE_WM(PIPE_A, 0, 0), 4 * 8, 0, 0, 0, D_SKL_PLUS, NULL, NULL);
2969 	MMIO_F(PLANE_WM(PIPE_A, 1, 0), 4 * 8, 0, 0, 0, D_SKL_PLUS, NULL, NULL);
2970 	MMIO_F(PLANE_WM(PIPE_A, 2, 0), 4 * 8, 0, 0, 0, D_SKL_PLUS, NULL, NULL);
2971 
2972 	MMIO_F(PLANE_WM(PIPE_B, 0, 0), 4 * 8, 0, 0, 0, D_SKL_PLUS, NULL, NULL);
2973 	MMIO_F(PLANE_WM(PIPE_B, 1, 0), 4 * 8, 0, 0, 0, D_SKL_PLUS, NULL, NULL);
2974 	MMIO_F(PLANE_WM(PIPE_B, 2, 0), 4 * 8, 0, 0, 0, D_SKL_PLUS, NULL, NULL);
2975 
2976 	MMIO_F(PLANE_WM(PIPE_C, 0, 0), 4 * 8, 0, 0, 0, D_SKL_PLUS, NULL, NULL);
2977 	MMIO_F(PLANE_WM(PIPE_C, 1, 0), 4 * 8, 0, 0, 0, D_SKL_PLUS, NULL, NULL);
2978 	MMIO_F(PLANE_WM(PIPE_C, 2, 0), 4 * 8, 0, 0, 0, D_SKL_PLUS, NULL, NULL);
2979 
2980 	MMIO_F(CUR_WM(PIPE_A, 0), 4 * 8, 0, 0, 0, D_SKL_PLUS, NULL, NULL);
2981 	MMIO_F(CUR_WM(PIPE_B, 0), 4 * 8, 0, 0, 0, D_SKL_PLUS, NULL, NULL);
2982 	MMIO_F(CUR_WM(PIPE_C, 0), 4 * 8, 0, 0, 0, D_SKL_PLUS, NULL, NULL);
2983 
2984 	MMIO_DH(PLANE_WM_TRANS(PIPE_A, 0), D_SKL_PLUS, NULL, NULL);
2985 	MMIO_DH(PLANE_WM_TRANS(PIPE_A, 1), D_SKL_PLUS, NULL, NULL);
2986 	MMIO_DH(PLANE_WM_TRANS(PIPE_A, 2), D_SKL_PLUS, NULL, NULL);
2987 
2988 	MMIO_DH(PLANE_WM_TRANS(PIPE_B, 0), D_SKL_PLUS, NULL, NULL);
2989 	MMIO_DH(PLANE_WM_TRANS(PIPE_B, 1), D_SKL_PLUS, NULL, NULL);
2990 	MMIO_DH(PLANE_WM_TRANS(PIPE_B, 2), D_SKL_PLUS, NULL, NULL);
2991 
2992 	MMIO_DH(PLANE_WM_TRANS(PIPE_C, 0), D_SKL_PLUS, NULL, NULL);
2993 	MMIO_DH(PLANE_WM_TRANS(PIPE_C, 1), D_SKL_PLUS, NULL, NULL);
2994 	MMIO_DH(PLANE_WM_TRANS(PIPE_C, 2), D_SKL_PLUS, NULL, NULL);
2995 
2996 	MMIO_DH(CUR_WM_TRANS(PIPE_A), D_SKL_PLUS, NULL, NULL);
2997 	MMIO_DH(CUR_WM_TRANS(PIPE_B), D_SKL_PLUS, NULL, NULL);
2998 	MMIO_DH(CUR_WM_TRANS(PIPE_C), D_SKL_PLUS, NULL, NULL);
2999 
3000 	MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_A, 0), D_SKL_PLUS, NULL, NULL);
3001 	MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_A, 1), D_SKL_PLUS, NULL, NULL);
3002 	MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_A, 2), D_SKL_PLUS, NULL, NULL);
3003 	MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_A, 3), D_SKL_PLUS, NULL, NULL);
3004 
3005 	MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_B, 0), D_SKL_PLUS, NULL, NULL);
3006 	MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_B, 1), D_SKL_PLUS, NULL, NULL);
3007 	MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_B, 2), D_SKL_PLUS, NULL, NULL);
3008 	MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_B, 3), D_SKL_PLUS, NULL, NULL);
3009 
3010 	MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_C, 0), D_SKL_PLUS, NULL, NULL);
3011 	MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_C, 1), D_SKL_PLUS, NULL, NULL);
3012 	MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_C, 2), D_SKL_PLUS, NULL, NULL);
3013 	MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_C, 3), D_SKL_PLUS, NULL, NULL);
3014 
3015 	MMIO_DH(_MMIO(_REG_701C0(PIPE_A, 1)), D_SKL_PLUS, NULL, NULL);
3016 	MMIO_DH(_MMIO(_REG_701C0(PIPE_A, 2)), D_SKL_PLUS, NULL, NULL);
3017 	MMIO_DH(_MMIO(_REG_701C0(PIPE_A, 3)), D_SKL_PLUS, NULL, NULL);
3018 	MMIO_DH(_MMIO(_REG_701C0(PIPE_A, 4)), D_SKL_PLUS, NULL, NULL);
3019 
3020 	MMIO_DH(_MMIO(_REG_701C0(PIPE_B, 1)), D_SKL_PLUS, NULL, NULL);
3021 	MMIO_DH(_MMIO(_REG_701C0(PIPE_B, 2)), D_SKL_PLUS, NULL, NULL);
3022 	MMIO_DH(_MMIO(_REG_701C0(PIPE_B, 3)), D_SKL_PLUS, NULL, NULL);
3023 	MMIO_DH(_MMIO(_REG_701C0(PIPE_B, 4)), D_SKL_PLUS, NULL, NULL);
3024 
3025 	MMIO_DH(_MMIO(_REG_701C0(PIPE_C, 1)), D_SKL_PLUS, NULL, NULL);
3026 	MMIO_DH(_MMIO(_REG_701C0(PIPE_C, 2)), D_SKL_PLUS, NULL, NULL);
3027 	MMIO_DH(_MMIO(_REG_701C0(PIPE_C, 3)), D_SKL_PLUS, NULL, NULL);
3028 	MMIO_DH(_MMIO(_REG_701C0(PIPE_C, 4)), D_SKL_PLUS, NULL, NULL);
3029 
3030 	MMIO_DH(_MMIO(_REG_701C4(PIPE_A, 1)), D_SKL_PLUS, NULL, NULL);
3031 	MMIO_DH(_MMIO(_REG_701C4(PIPE_A, 2)), D_SKL_PLUS, NULL, NULL);
3032 	MMIO_DH(_MMIO(_REG_701C4(PIPE_A, 3)), D_SKL_PLUS, NULL, NULL);
3033 	MMIO_DH(_MMIO(_REG_701C4(PIPE_A, 4)), D_SKL_PLUS, NULL, NULL);
3034 
3035 	MMIO_DH(_MMIO(_REG_701C4(PIPE_B, 1)), D_SKL_PLUS, NULL, NULL);
3036 	MMIO_DH(_MMIO(_REG_701C4(PIPE_B, 2)), D_SKL_PLUS, NULL, NULL);
3037 	MMIO_DH(_MMIO(_REG_701C4(PIPE_B, 3)), D_SKL_PLUS, NULL, NULL);
3038 	MMIO_DH(_MMIO(_REG_701C4(PIPE_B, 4)), D_SKL_PLUS, NULL, NULL);
3039 
3040 	MMIO_DH(_MMIO(_REG_701C4(PIPE_C, 1)), D_SKL_PLUS, NULL, NULL);
3041 	MMIO_DH(_MMIO(_REG_701C4(PIPE_C, 2)), D_SKL_PLUS, NULL, NULL);
3042 	MMIO_DH(_MMIO(_REG_701C4(PIPE_C, 3)), D_SKL_PLUS, NULL, NULL);
3043 	MMIO_DH(_MMIO(_REG_701C4(PIPE_C, 4)), D_SKL_PLUS, NULL, NULL);
3044 
3045 	MMIO_D(_MMIO(_PLANE_CTL_3_A), D_SKL_PLUS);
3046 	MMIO_D(_MMIO(_PLANE_CTL_3_B), D_SKL_PLUS);
3047 	MMIO_D(_MMIO(0x72380), D_SKL_PLUS);
3048 	MMIO_D(_MMIO(0x7239c), D_SKL_PLUS);
3049 	MMIO_D(_MMIO(_PLANE_SURF_3_A), D_SKL_PLUS);
3050 
3051 	MMIO_D(CSR_SSP_BASE, D_SKL_PLUS);
3052 	MMIO_D(CSR_HTP_SKL, D_SKL_PLUS);
3053 	MMIO_D(CSR_LAST_WRITE, D_SKL_PLUS);
3054 
3055 	MMIO_DFH(BDW_SCRATCH1, D_SKL_PLUS, F_CMD_ACCESS, NULL, NULL);
3056 
3057 	MMIO_D(SKL_DFSM, D_SKL_PLUS);
3058 	MMIO_D(DISPIO_CR_TX_BMU_CR0, D_SKL_PLUS);
3059 
3060 	MMIO_F(GEN9_GFX_MOCS(0), 0x7f8, F_CMD_ACCESS, 0, 0, D_SKL_PLUS,
3061 		NULL, NULL);
3062 	MMIO_F(GEN7_L3CNTLREG2, 0x80, F_CMD_ACCESS, 0, 0, D_SKL_PLUS,
3063 		NULL, NULL);
3064 
3065 	MMIO_D(RPM_CONFIG0, D_SKL_PLUS);
3066 	MMIO_D(_MMIO(0xd08), D_SKL_PLUS);
3067 	MMIO_D(RC6_LOCATION, D_SKL_PLUS);
3068 	MMIO_DFH(GEN7_FF_SLICE_CS_CHICKEN1, D_SKL_PLUS,
3069 		 F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
3070 	MMIO_DFH(GEN9_CS_DEBUG_MODE1, D_SKL_PLUS, F_MODE_MASK | F_CMD_ACCESS,
3071 		NULL, NULL);
3072 
3073 	/* TRTT */
3074 	MMIO_DFH(TRVATTL3PTRDW(0), D_SKL_PLUS, F_CMD_ACCESS, NULL, NULL);
3075 	MMIO_DFH(TRVATTL3PTRDW(1), D_SKL_PLUS, F_CMD_ACCESS, NULL, NULL);
3076 	MMIO_DFH(TRVATTL3PTRDW(2), D_SKL_PLUS, F_CMD_ACCESS, NULL, NULL);
3077 	MMIO_DFH(TRVATTL3PTRDW(3), D_SKL_PLUS, F_CMD_ACCESS, NULL, NULL);
3078 	MMIO_DFH(TRVADR, D_SKL_PLUS, F_CMD_ACCESS, NULL, NULL);
3079 	MMIO_DFH(TRTTE, D_SKL_PLUS, F_CMD_ACCESS,
3080 		NULL, gen9_trtte_write);
3081 	MMIO_DH(_MMIO(0x4dfc), D_SKL_PLUS, NULL, gen9_trtt_chicken_write);
3082 
3083 	MMIO_D(_MMIO(0x46430), D_SKL_PLUS);
3084 
3085 	MMIO_D(_MMIO(0x46520), D_SKL_PLUS);
3086 
3087 	MMIO_D(_MMIO(0xc403c), D_SKL_PLUS);
3088 	MMIO_DFH(GEN8_GARBCNTL, D_SKL_PLUS, F_CMD_ACCESS, NULL, NULL);
3089 	MMIO_DH(DMA_CTRL, D_SKL_PLUS, NULL, dma_ctrl_write);
3090 
3091 	MMIO_D(_MMIO(0x65900), D_SKL_PLUS);
3092 	MMIO_D(GEN6_STOLEN_RESERVED, D_SKL_PLUS);
3093 	MMIO_D(_MMIO(0x4068), D_SKL_PLUS);
3094 	MMIO_D(_MMIO(0x67054), D_SKL_PLUS);
3095 	MMIO_D(_MMIO(0x6e560), D_SKL_PLUS);
3096 	MMIO_D(_MMIO(0x6e554), D_SKL_PLUS);
3097 	MMIO_D(_MMIO(0x2b20), D_SKL_PLUS);
3098 	MMIO_D(_MMIO(0x65f00), D_SKL_PLUS);
3099 	MMIO_D(_MMIO(0x65f08), D_SKL_PLUS);
3100 	MMIO_D(_MMIO(0x320f0), D_SKL_PLUS);
3101 
3102 	MMIO_D(_MMIO(0x70034), D_SKL_PLUS);
3103 	MMIO_D(_MMIO(0x71034), D_SKL_PLUS);
3104 	MMIO_D(_MMIO(0x72034), D_SKL_PLUS);
3105 
3106 	MMIO_D(_MMIO(_PLANE_KEYVAL_1(PIPE_A)), D_SKL_PLUS);
3107 	MMIO_D(_MMIO(_PLANE_KEYVAL_1(PIPE_B)), D_SKL_PLUS);
3108 	MMIO_D(_MMIO(_PLANE_KEYVAL_1(PIPE_C)), D_SKL_PLUS);
3109 	MMIO_D(_MMIO(_PLANE_KEYMAX_1(PIPE_A)), D_SKL_PLUS);
3110 	MMIO_D(_MMIO(_PLANE_KEYMAX_1(PIPE_B)), D_SKL_PLUS);
3111 	MMIO_D(_MMIO(_PLANE_KEYMAX_1(PIPE_C)), D_SKL_PLUS);
3112 	MMIO_D(_MMIO(_PLANE_KEYMSK_1(PIPE_A)), D_SKL_PLUS);
3113 	MMIO_D(_MMIO(_PLANE_KEYMSK_1(PIPE_B)), D_SKL_PLUS);
3114 	MMIO_D(_MMIO(_PLANE_KEYMSK_1(PIPE_C)), D_SKL_PLUS);
3115 
3116 	MMIO_D(_MMIO(0x44500), D_SKL_PLUS);
3117 #define CSFE_CHICKEN1_REG(base) _MMIO((base) + 0xD4)
3118 	MMIO_RING_DFH(CSFE_CHICKEN1_REG, D_SKL_PLUS, F_MODE_MASK | F_CMD_ACCESS,
3119 		      NULL, csfe_chicken1_mmio_write);
3120 #undef CSFE_CHICKEN1_REG
3121 	MMIO_DFH(GEN8_HDC_CHICKEN1, D_SKL_PLUS, F_MODE_MASK | F_CMD_ACCESS,
3122 		 NULL, NULL);
3123 	MMIO_DFH(GEN9_WM_CHICKEN3, D_SKL_PLUS, F_MODE_MASK | F_CMD_ACCESS,
3124 		 NULL, NULL);
3125 
3126 	MMIO_D(GAMT_CHKN_BIT_REG, D_KBL);
3127 	MMIO_D(GEN9_CTX_PREEMPT_REG, D_KBL | D_SKL);
3128 
3129 	return 0;
3130 }
3131 
3132 static int init_bxt_mmio_info(struct intel_gvt *gvt)
3133 {
3134 	struct drm_i915_private *dev_priv = gvt->dev_priv;
3135 	int ret;
3136 
3137 	MMIO_F(_MMIO(0x80000), 0x3000, 0, 0, 0, D_BXT, NULL, NULL);
3138 
3139 	MMIO_D(GEN7_SAMPLER_INSTDONE, D_BXT);
3140 	MMIO_D(GEN7_ROW_INSTDONE, D_BXT);
3141 	MMIO_D(GEN8_FAULT_TLB_DATA0, D_BXT);
3142 	MMIO_D(GEN8_FAULT_TLB_DATA1, D_BXT);
3143 	MMIO_D(ERROR_GEN6, D_BXT);
3144 	MMIO_D(DONE_REG, D_BXT);
3145 	MMIO_D(EIR, D_BXT);
3146 	MMIO_D(PGTBL_ER, D_BXT);
3147 	MMIO_D(_MMIO(0x4194), D_BXT);
3148 	MMIO_D(_MMIO(0x4294), D_BXT);
3149 	MMIO_D(_MMIO(0x4494), D_BXT);
3150 
3151 	MMIO_RING_D(RING_PSMI_CTL, D_BXT);
3152 	MMIO_RING_D(RING_DMA_FADD, D_BXT);
3153 	MMIO_RING_D(RING_DMA_FADD_UDW, D_BXT);
3154 	MMIO_RING_D(RING_IPEHR, D_BXT);
3155 	MMIO_RING_D(RING_INSTPS, D_BXT);
3156 	MMIO_RING_D(RING_BBADDR_UDW, D_BXT);
3157 	MMIO_RING_D(RING_BBSTATE, D_BXT);
3158 	MMIO_RING_D(RING_IPEIR, D_BXT);
3159 
3160 	MMIO_F(SOFT_SCRATCH(0), 16 * 4, 0, 0, 0, D_BXT, NULL, NULL);
3161 
3162 	MMIO_DH(BXT_P_CR_GT_DISP_PWRON, D_BXT, NULL, bxt_gt_disp_pwron_write);
3163 	MMIO_D(BXT_RP_STATE_CAP, D_BXT);
3164 	MMIO_DH(BXT_PHY_CTL_FAMILY(DPIO_PHY0), D_BXT,
3165 		NULL, bxt_phy_ctl_family_write);
3166 	MMIO_DH(BXT_PHY_CTL_FAMILY(DPIO_PHY1), D_BXT,
3167 		NULL, bxt_phy_ctl_family_write);
3168 	MMIO_D(BXT_PHY_CTL(PORT_A), D_BXT);
3169 	MMIO_D(BXT_PHY_CTL(PORT_B), D_BXT);
3170 	MMIO_D(BXT_PHY_CTL(PORT_C), D_BXT);
3171 	MMIO_DH(BXT_PORT_PLL_ENABLE(PORT_A), D_BXT,
3172 		NULL, bxt_port_pll_enable_write);
3173 	MMIO_DH(BXT_PORT_PLL_ENABLE(PORT_B), D_BXT,
3174 		NULL, bxt_port_pll_enable_write);
3175 	MMIO_DH(BXT_PORT_PLL_ENABLE(PORT_C), D_BXT, NULL,
3176 		bxt_port_pll_enable_write);
3177 
3178 	MMIO_D(BXT_PORT_CL1CM_DW0(DPIO_PHY0), D_BXT);
3179 	MMIO_D(BXT_PORT_CL1CM_DW9(DPIO_PHY0), D_BXT);
3180 	MMIO_D(BXT_PORT_CL1CM_DW10(DPIO_PHY0), D_BXT);
3181 	MMIO_D(BXT_PORT_CL1CM_DW28(DPIO_PHY0), D_BXT);
3182 	MMIO_D(BXT_PORT_CL1CM_DW30(DPIO_PHY0), D_BXT);
3183 	MMIO_D(BXT_PORT_CL2CM_DW6(DPIO_PHY0), D_BXT);
3184 	MMIO_D(BXT_PORT_REF_DW3(DPIO_PHY0), D_BXT);
3185 	MMIO_D(BXT_PORT_REF_DW6(DPIO_PHY0), D_BXT);
3186 	MMIO_D(BXT_PORT_REF_DW8(DPIO_PHY0), D_BXT);
3187 
3188 	MMIO_D(BXT_PORT_CL1CM_DW0(DPIO_PHY1), D_BXT);
3189 	MMIO_D(BXT_PORT_CL1CM_DW9(DPIO_PHY1), D_BXT);
3190 	MMIO_D(BXT_PORT_CL1CM_DW10(DPIO_PHY1), D_BXT);
3191 	MMIO_D(BXT_PORT_CL1CM_DW28(DPIO_PHY1), D_BXT);
3192 	MMIO_D(BXT_PORT_CL1CM_DW30(DPIO_PHY1), D_BXT);
3193 	MMIO_D(BXT_PORT_CL2CM_DW6(DPIO_PHY1), D_BXT);
3194 	MMIO_D(BXT_PORT_REF_DW3(DPIO_PHY1), D_BXT);
3195 	MMIO_D(BXT_PORT_REF_DW6(DPIO_PHY1), D_BXT);
3196 	MMIO_D(BXT_PORT_REF_DW8(DPIO_PHY1), D_BXT);
3197 
3198 	MMIO_D(BXT_PORT_PLL_EBB_0(DPIO_PHY0, DPIO_CH0), D_BXT);
3199 	MMIO_D(BXT_PORT_PLL_EBB_4(DPIO_PHY0, DPIO_CH0), D_BXT);
3200 	MMIO_D(BXT_PORT_PCS_DW10_LN01(DPIO_PHY0, DPIO_CH0), D_BXT);
3201 	MMIO_D(BXT_PORT_PCS_DW10_GRP(DPIO_PHY0, DPIO_CH0), D_BXT);
3202 	MMIO_D(BXT_PORT_PCS_DW12_LN01(DPIO_PHY0, DPIO_CH0), D_BXT);
3203 	MMIO_D(BXT_PORT_PCS_DW12_LN23(DPIO_PHY0, DPIO_CH0), D_BXT);
3204 	MMIO_DH(BXT_PORT_PCS_DW12_GRP(DPIO_PHY0, DPIO_CH0), D_BXT,
3205 		NULL, bxt_pcs_dw12_grp_write);
3206 	MMIO_D(BXT_PORT_TX_DW2_LN0(DPIO_PHY0, DPIO_CH0), D_BXT);
3207 	MMIO_D(BXT_PORT_TX_DW2_GRP(DPIO_PHY0, DPIO_CH0), D_BXT);
3208 	MMIO_DH(BXT_PORT_TX_DW3_LN0(DPIO_PHY0, DPIO_CH0), D_BXT,
3209 		bxt_port_tx_dw3_read, NULL);
3210 	MMIO_D(BXT_PORT_TX_DW3_GRP(DPIO_PHY0, DPIO_CH0), D_BXT);
3211 	MMIO_D(BXT_PORT_TX_DW4_LN0(DPIO_PHY0, DPIO_CH0), D_BXT);
3212 	MMIO_D(BXT_PORT_TX_DW4_GRP(DPIO_PHY0, DPIO_CH0), D_BXT);
3213 	MMIO_D(BXT_PORT_TX_DW14_LN(DPIO_PHY0, DPIO_CH0, 0), D_BXT);
3214 	MMIO_D(BXT_PORT_TX_DW14_LN(DPIO_PHY0, DPIO_CH0, 1), D_BXT);
3215 	MMIO_D(BXT_PORT_TX_DW14_LN(DPIO_PHY0, DPIO_CH0, 2), D_BXT);
3216 	MMIO_D(BXT_PORT_TX_DW14_LN(DPIO_PHY0, DPIO_CH0, 3), D_BXT);
3217 	MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH0, 0), D_BXT);
3218 	MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH0, 1), D_BXT);
3219 	MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH0, 2), D_BXT);
3220 	MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH0, 3), D_BXT);
3221 	MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH0, 6), D_BXT);
3222 	MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH0, 8), D_BXT);
3223 	MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH0, 9), D_BXT);
3224 	MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH0, 10), D_BXT);
3225 
3226 	MMIO_D(BXT_PORT_PLL_EBB_0(DPIO_PHY0, DPIO_CH1), D_BXT);
3227 	MMIO_D(BXT_PORT_PLL_EBB_4(DPIO_PHY0, DPIO_CH1), D_BXT);
3228 	MMIO_D(BXT_PORT_PCS_DW10_LN01(DPIO_PHY0, DPIO_CH1), D_BXT);
3229 	MMIO_D(BXT_PORT_PCS_DW10_GRP(DPIO_PHY0, DPIO_CH1), D_BXT);
3230 	MMIO_D(BXT_PORT_PCS_DW12_LN01(DPIO_PHY0, DPIO_CH1), D_BXT);
3231 	MMIO_D(BXT_PORT_PCS_DW12_LN23(DPIO_PHY0, DPIO_CH1), D_BXT);
3232 	MMIO_DH(BXT_PORT_PCS_DW12_GRP(DPIO_PHY0, DPIO_CH1), D_BXT,
3233 		NULL, bxt_pcs_dw12_grp_write);
3234 	MMIO_D(BXT_PORT_TX_DW2_LN0(DPIO_PHY0, DPIO_CH1), D_BXT);
3235 	MMIO_D(BXT_PORT_TX_DW2_GRP(DPIO_PHY0, DPIO_CH1), D_BXT);
3236 	MMIO_DH(BXT_PORT_TX_DW3_LN0(DPIO_PHY0, DPIO_CH1), D_BXT,
3237 		bxt_port_tx_dw3_read, NULL);
3238 	MMIO_D(BXT_PORT_TX_DW3_GRP(DPIO_PHY0, DPIO_CH1), D_BXT);
3239 	MMIO_D(BXT_PORT_TX_DW4_LN0(DPIO_PHY0, DPIO_CH1), D_BXT);
3240 	MMIO_D(BXT_PORT_TX_DW4_GRP(DPIO_PHY0, DPIO_CH1), D_BXT);
3241 	MMIO_D(BXT_PORT_TX_DW14_LN(DPIO_PHY0, DPIO_CH1, 0), D_BXT);
3242 	MMIO_D(BXT_PORT_TX_DW14_LN(DPIO_PHY0, DPIO_CH1, 1), D_BXT);
3243 	MMIO_D(BXT_PORT_TX_DW14_LN(DPIO_PHY0, DPIO_CH1, 2), D_BXT);
3244 	MMIO_D(BXT_PORT_TX_DW14_LN(DPIO_PHY0, DPIO_CH1, 3), D_BXT);
3245 	MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH1, 0), D_BXT);
3246 	MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH1, 1), D_BXT);
3247 	MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH1, 2), D_BXT);
3248 	MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH1, 3), D_BXT);
3249 	MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH1, 6), D_BXT);
3250 	MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH1, 8), D_BXT);
3251 	MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH1, 9), D_BXT);
3252 	MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH1, 10), D_BXT);
3253 
3254 	MMIO_D(BXT_PORT_PLL_EBB_0(DPIO_PHY1, DPIO_CH0), D_BXT);
3255 	MMIO_D(BXT_PORT_PLL_EBB_4(DPIO_PHY1, DPIO_CH0), D_BXT);
3256 	MMIO_D(BXT_PORT_PCS_DW10_LN01(DPIO_PHY1, DPIO_CH0), D_BXT);
3257 	MMIO_D(BXT_PORT_PCS_DW10_GRP(DPIO_PHY1, DPIO_CH0), D_BXT);
3258 	MMIO_D(BXT_PORT_PCS_DW12_LN01(DPIO_PHY1, DPIO_CH0), D_BXT);
3259 	MMIO_D(BXT_PORT_PCS_DW12_LN23(DPIO_PHY1, DPIO_CH0), D_BXT);
3260 	MMIO_DH(BXT_PORT_PCS_DW12_GRP(DPIO_PHY1, DPIO_CH0), D_BXT,
3261 		NULL, bxt_pcs_dw12_grp_write);
3262 	MMIO_D(BXT_PORT_TX_DW2_LN0(DPIO_PHY1, DPIO_CH0), D_BXT);
3263 	MMIO_D(BXT_PORT_TX_DW2_GRP(DPIO_PHY1, DPIO_CH0), D_BXT);
3264 	MMIO_DH(BXT_PORT_TX_DW3_LN0(DPIO_PHY1, DPIO_CH0), D_BXT,
3265 		bxt_port_tx_dw3_read, NULL);
3266 	MMIO_D(BXT_PORT_TX_DW3_GRP(DPIO_PHY1, DPIO_CH0), D_BXT);
3267 	MMIO_D(BXT_PORT_TX_DW4_LN0(DPIO_PHY1, DPIO_CH0), D_BXT);
3268 	MMIO_D(BXT_PORT_TX_DW4_GRP(DPIO_PHY1, DPIO_CH0), D_BXT);
3269 	MMIO_D(BXT_PORT_TX_DW14_LN(DPIO_PHY1, DPIO_CH0, 0), D_BXT);
3270 	MMIO_D(BXT_PORT_TX_DW14_LN(DPIO_PHY1, DPIO_CH0, 1), D_BXT);
3271 	MMIO_D(BXT_PORT_TX_DW14_LN(DPIO_PHY1, DPIO_CH0, 2), D_BXT);
3272 	MMIO_D(BXT_PORT_TX_DW14_LN(DPIO_PHY1, DPIO_CH0, 3), D_BXT);
3273 	MMIO_D(BXT_PORT_PLL(DPIO_PHY1, DPIO_CH0, 0), D_BXT);
3274 	MMIO_D(BXT_PORT_PLL(DPIO_PHY1, DPIO_CH0, 1), D_BXT);
3275 	MMIO_D(BXT_PORT_PLL(DPIO_PHY1, DPIO_CH0, 2), D_BXT);
3276 	MMIO_D(BXT_PORT_PLL(DPIO_PHY1, DPIO_CH0, 3), D_BXT);
3277 	MMIO_D(BXT_PORT_PLL(DPIO_PHY1, DPIO_CH0, 6), D_BXT);
3278 	MMIO_D(BXT_PORT_PLL(DPIO_PHY1, DPIO_CH0, 8), D_BXT);
3279 	MMIO_D(BXT_PORT_PLL(DPIO_PHY1, DPIO_CH0, 9), D_BXT);
3280 	MMIO_D(BXT_PORT_PLL(DPIO_PHY1, DPIO_CH0, 10), D_BXT);
3281 
3282 	MMIO_D(BXT_DE_PLL_CTL, D_BXT);
3283 	MMIO_DH(BXT_DE_PLL_ENABLE, D_BXT, NULL, bxt_de_pll_enable_write);
3284 	MMIO_D(BXT_DSI_PLL_CTL, D_BXT);
3285 	MMIO_D(BXT_DSI_PLL_ENABLE, D_BXT);
3286 
3287 	MMIO_D(GEN9_CLKGATE_DIS_0, D_BXT);
3288 	MMIO_D(GEN9_CLKGATE_DIS_4, D_BXT);
3289 
3290 	MMIO_D(HSW_TVIDEO_DIP_GCP(TRANSCODER_A), D_BXT);
3291 	MMIO_D(HSW_TVIDEO_DIP_GCP(TRANSCODER_B), D_BXT);
3292 	MMIO_D(HSW_TVIDEO_DIP_GCP(TRANSCODER_C), D_BXT);
3293 
3294 	MMIO_D(RC6_CTX_BASE, D_BXT);
3295 
3296 	MMIO_D(GEN8_PUSHBUS_CONTROL, D_BXT);
3297 	MMIO_D(GEN8_PUSHBUS_ENABLE, D_BXT);
3298 	MMIO_D(GEN8_PUSHBUS_SHIFT, D_BXT);
3299 	MMIO_D(GEN6_GFXPAUSE, D_BXT);
3300 	MMIO_DFH(GEN8_L3SQCREG1, D_BXT, F_CMD_ACCESS, NULL, NULL);
3301 
3302 	MMIO_DFH(GEN9_CTX_PREEMPT_REG, D_BXT, F_CMD_ACCESS, NULL, NULL);
3303 
3304 	return 0;
3305 }
3306 
3307 static struct gvt_mmio_block *find_mmio_block(struct intel_gvt *gvt,
3308 					      unsigned int offset)
3309 {
3310 	unsigned long device = intel_gvt_get_device_type(gvt);
3311 	struct gvt_mmio_block *block = gvt->mmio.mmio_block;
3312 	int num = gvt->mmio.num_mmio_block;
3313 	int i;
3314 
3315 	for (i = 0; i < num; i++, block++) {
3316 		if (!(device & block->device))
3317 			continue;
3318 		if (offset >= i915_mmio_reg_offset(block->offset) &&
3319 		    offset < i915_mmio_reg_offset(block->offset) + block->size)
3320 			return block;
3321 	}
3322 	return NULL;
3323 }
3324 
3325 /**
3326  * intel_gvt_clean_mmio_info - clean up MMIO information table for GVT device
3327  * @gvt: GVT device
3328  *
3329  * This function is called at the driver unloading stage, to clean up the MMIO
3330  * information table of GVT device
3331  *
3332  */
3333 void intel_gvt_clean_mmio_info(struct intel_gvt *gvt)
3334 {
3335 	struct hlist_node *tmp;
3336 	struct intel_gvt_mmio_info *e;
3337 	int i;
3338 
3339 	hash_for_each_safe(gvt->mmio.mmio_info_table, i, tmp, e, node)
3340 		kfree(e);
3341 
3342 	vfree(gvt->mmio.mmio_attribute);
3343 	gvt->mmio.mmio_attribute = NULL;
3344 }
3345 
3346 /* Special MMIO blocks. */
3347 static struct gvt_mmio_block mmio_blocks[] = {
3348 	{D_SKL_PLUS, _MMIO(CSR_MMIO_START_RANGE), 0x3000, NULL, NULL},
3349 	{D_ALL, _MMIO(MCHBAR_MIRROR_BASE_SNB), 0x40000, NULL, NULL},
3350 	{D_ALL, _MMIO(VGT_PVINFO_PAGE), VGT_PVINFO_SIZE,
3351 		pvinfo_mmio_read, pvinfo_mmio_write},
3352 	{D_ALL, LGC_PALETTE(PIPE_A, 0), 1024, NULL, NULL},
3353 	{D_ALL, LGC_PALETTE(PIPE_B, 0), 1024, NULL, NULL},
3354 	{D_ALL, LGC_PALETTE(PIPE_C, 0), 1024, NULL, NULL},
3355 };
3356 
3357 /**
3358  * intel_gvt_setup_mmio_info - setup MMIO information table for GVT device
3359  * @gvt: GVT device
3360  *
3361  * This function is called at the initialization stage, to setup the MMIO
3362  * information table for GVT device
3363  *
3364  * Returns:
3365  * zero on success, negative if failed.
3366  */
3367 int intel_gvt_setup_mmio_info(struct intel_gvt *gvt)
3368 {
3369 	struct intel_gvt_device_info *info = &gvt->device_info;
3370 	struct drm_i915_private *dev_priv = gvt->dev_priv;
3371 	int size = info->mmio_size / 4 * sizeof(*gvt->mmio.mmio_attribute);
3372 	int ret;
3373 
3374 	gvt->mmio.mmio_attribute = vzalloc(size);
3375 	if (!gvt->mmio.mmio_attribute)
3376 		return -ENOMEM;
3377 
3378 	ret = init_generic_mmio_info(gvt);
3379 	if (ret)
3380 		goto err;
3381 
3382 	if (IS_BROADWELL(dev_priv)) {
3383 		ret = init_bdw_mmio_info(gvt);
3384 		if (ret)
3385 			goto err;
3386 	} else if (IS_SKYLAKE(dev_priv)
3387 		|| IS_KABYLAKE(dev_priv)
3388 		|| IS_COFFEELAKE(dev_priv)) {
3389 		ret = init_bdw_mmio_info(gvt);
3390 		if (ret)
3391 			goto err;
3392 		ret = init_skl_mmio_info(gvt);
3393 		if (ret)
3394 			goto err;
3395 	} else if (IS_BROXTON(dev_priv)) {
3396 		ret = init_bdw_mmio_info(gvt);
3397 		if (ret)
3398 			goto err;
3399 		ret = init_skl_mmio_info(gvt);
3400 		if (ret)
3401 			goto err;
3402 		ret = init_bxt_mmio_info(gvt);
3403 		if (ret)
3404 			goto err;
3405 	}
3406 
3407 	gvt->mmio.mmio_block = mmio_blocks;
3408 	gvt->mmio.num_mmio_block = ARRAY_SIZE(mmio_blocks);
3409 
3410 	return 0;
3411 err:
3412 	intel_gvt_clean_mmio_info(gvt);
3413 	return ret;
3414 }
3415 
3416 /**
3417  * intel_gvt_for_each_tracked_mmio - iterate each tracked mmio
3418  * @gvt: a GVT device
3419  * @handler: the handler
3420  * @data: private data given to handler
3421  *
3422  * Returns:
3423  * Zero on success, negative error code if failed.
3424  */
3425 int intel_gvt_for_each_tracked_mmio(struct intel_gvt *gvt,
3426 	int (*handler)(struct intel_gvt *gvt, u32 offset, void *data),
3427 	void *data)
3428 {
3429 	struct gvt_mmio_block *block = gvt->mmio.mmio_block;
3430 	struct intel_gvt_mmio_info *e;
3431 	int i, j, ret;
3432 
3433 	hash_for_each(gvt->mmio.mmio_info_table, i, e, node) {
3434 		ret = handler(gvt, e->offset, data);
3435 		if (ret)
3436 			return ret;
3437 	}
3438 
3439 	for (i = 0; i < gvt->mmio.num_mmio_block; i++, block++) {
3440 		/* pvinfo data doesn't come from hw mmio */
3441 		if (i915_mmio_reg_offset(block->offset) == VGT_PVINFO_PAGE)
3442 			continue;
3443 
3444 		for (j = 0; j < block->size; j += 4) {
3445 			ret = handler(gvt,
3446 				      i915_mmio_reg_offset(block->offset) + j,
3447 				      data);
3448 			if (ret)
3449 				return ret;
3450 		}
3451 	}
3452 	return 0;
3453 }
3454 
3455 /**
3456  * intel_vgpu_default_mmio_read - default MMIO read handler
3457  * @vgpu: a vGPU
3458  * @offset: access offset
3459  * @p_data: data return buffer
3460  * @bytes: access data length
3461  *
3462  * Returns:
3463  * Zero on success, negative error code if failed.
3464  */
3465 int intel_vgpu_default_mmio_read(struct intel_vgpu *vgpu, unsigned int offset,
3466 		void *p_data, unsigned int bytes)
3467 {
3468 	read_vreg(vgpu, offset, p_data, bytes);
3469 	return 0;
3470 }
3471 
3472 /**
3473  * intel_t_default_mmio_write - default MMIO write handler
3474  * @vgpu: a vGPU
3475  * @offset: access offset
3476  * @p_data: write data buffer
3477  * @bytes: access data length
3478  *
3479  * Returns:
3480  * Zero on success, negative error code if failed.
3481  */
3482 int intel_vgpu_default_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
3483 		void *p_data, unsigned int bytes)
3484 {
3485 	write_vreg(vgpu, offset, p_data, bytes);
3486 	return 0;
3487 }
3488 
3489 /**
3490  * intel_vgpu_mask_mmio_write - write mask register
3491  * @vgpu: a vGPU
3492  * @offset: access offset
3493  * @p_data: write data buffer
3494  * @bytes: access data length
3495  *
3496  * Returns:
3497  * Zero on success, negative error code if failed.
3498  */
3499 int intel_vgpu_mask_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
3500 		void *p_data, unsigned int bytes)
3501 {
3502 	u32 mask, old_vreg;
3503 
3504 	old_vreg = vgpu_vreg(vgpu, offset);
3505 	write_vreg(vgpu, offset, p_data, bytes);
3506 	mask = vgpu_vreg(vgpu, offset) >> 16;
3507 	vgpu_vreg(vgpu, offset) = (old_vreg & ~mask) |
3508 				(vgpu_vreg(vgpu, offset) & mask);
3509 
3510 	return 0;
3511 }
3512 
3513 /**
3514  * intel_gvt_in_force_nonpriv_whitelist - if a mmio is in whitelist to be
3515  * force-nopriv register
3516  *
3517  * @gvt: a GVT device
3518  * @offset: register offset
3519  *
3520  * Returns:
3521  * True if the register is in force-nonpriv whitelist;
3522  * False if outside;
3523  */
3524 bool intel_gvt_in_force_nonpriv_whitelist(struct intel_gvt *gvt,
3525 					  unsigned int offset)
3526 {
3527 	return in_whitelist(offset);
3528 }
3529 
3530 /**
3531  * intel_vgpu_mmio_reg_rw - emulate tracked mmio registers
3532  * @vgpu: a vGPU
3533  * @offset: register offset
3534  * @pdata: data buffer
3535  * @bytes: data length
3536  * @is_read: read or write
3537  *
3538  * Returns:
3539  * Zero on success, negative error code if failed.
3540  */
3541 int intel_vgpu_mmio_reg_rw(struct intel_vgpu *vgpu, unsigned int offset,
3542 			   void *pdata, unsigned int bytes, bool is_read)
3543 {
3544 	struct intel_gvt *gvt = vgpu->gvt;
3545 	struct intel_gvt_mmio_info *mmio_info;
3546 	struct gvt_mmio_block *mmio_block;
3547 	gvt_mmio_func func;
3548 	int ret;
3549 
3550 	if (WARN_ON(bytes > 8))
3551 		return -EINVAL;
3552 
3553 	/*
3554 	 * Handle special MMIO blocks.
3555 	 */
3556 	mmio_block = find_mmio_block(gvt, offset);
3557 	if (mmio_block) {
3558 		func = is_read ? mmio_block->read : mmio_block->write;
3559 		if (func)
3560 			return func(vgpu, offset, pdata, bytes);
3561 		goto default_rw;
3562 	}
3563 
3564 	/*
3565 	 * Normal tracked MMIOs.
3566 	 */
3567 	mmio_info = find_mmio_info(gvt, offset);
3568 	if (!mmio_info) {
3569 		gvt_dbg_mmio("untracked MMIO %08x len %d\n", offset, bytes);
3570 		goto default_rw;
3571 	}
3572 
3573 	if (is_read)
3574 		return mmio_info->read(vgpu, offset, pdata, bytes);
3575 	else {
3576 		u64 ro_mask = mmio_info->ro_mask;
3577 		u32 old_vreg = 0;
3578 		u64 data = 0;
3579 
3580 		if (intel_gvt_mmio_has_mode_mask(gvt, mmio_info->offset)) {
3581 			old_vreg = vgpu_vreg(vgpu, offset);
3582 		}
3583 
3584 		if (likely(!ro_mask))
3585 			ret = mmio_info->write(vgpu, offset, pdata, bytes);
3586 		else if (!~ro_mask) {
3587 			gvt_vgpu_err("try to write RO reg %x\n", offset);
3588 			return 0;
3589 		} else {
3590 			/* keep the RO bits in the virtual register */
3591 			memcpy(&data, pdata, bytes);
3592 			data &= ~ro_mask;
3593 			data |= vgpu_vreg(vgpu, offset) & ro_mask;
3594 			ret = mmio_info->write(vgpu, offset, &data, bytes);
3595 		}
3596 
3597 		/* higher 16bits of mode ctl regs are mask bits for change */
3598 		if (intel_gvt_mmio_has_mode_mask(gvt, mmio_info->offset)) {
3599 			u32 mask = vgpu_vreg(vgpu, offset) >> 16;
3600 
3601 			vgpu_vreg(vgpu, offset) = (old_vreg & ~mask)
3602 					| (vgpu_vreg(vgpu, offset) & mask);
3603 		}
3604 	}
3605 
3606 	return ret;
3607 
3608 default_rw:
3609 	return is_read ?
3610 		intel_vgpu_default_mmio_read(vgpu, offset, pdata, bytes) :
3611 		intel_vgpu_default_mmio_write(vgpu, offset, pdata, bytes);
3612 }
3613