xref: /openbmc/linux/drivers/gpu/drm/i915/gvt/handlers.c (revision 5edb7691)
1 /*
2  * Copyright(c) 2011-2016 Intel Corporation. All rights reserved.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice (including the next
12  * paragraph) shall be included in all copies or substantial portions of the
13  * Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21  * SOFTWARE.
22  *
23  * Authors:
24  *    Kevin Tian <kevin.tian@intel.com>
25  *    Eddie Dong <eddie.dong@intel.com>
26  *    Zhiyuan Lv <zhiyuan.lv@intel.com>
27  *
28  * Contributors:
29  *    Min He <min.he@intel.com>
30  *    Tina Zhang <tina.zhang@intel.com>
31  *    Pei Zhang <pei.zhang@intel.com>
32  *    Niu Bing <bing.niu@intel.com>
33  *    Ping Gao <ping.a.gao@intel.com>
34  *    Zhi Wang <zhi.a.wang@intel.com>
35  *
36 
37  */
38 
39 #include "i915_drv.h"
40 #include "gvt.h"
41 #include "i915_pvinfo.h"
42 
43 /* XXX FIXME i915 has changed PP_XXX definition */
44 #define PCH_PP_STATUS  _MMIO(0xc7200)
45 #define PCH_PP_CONTROL _MMIO(0xc7204)
46 #define PCH_PP_ON_DELAYS _MMIO(0xc7208)
47 #define PCH_PP_OFF_DELAYS _MMIO(0xc720c)
48 #define PCH_PP_DIVISOR _MMIO(0xc7210)
49 
50 unsigned long intel_gvt_get_device_type(struct intel_gvt *gvt)
51 {
52 	struct drm_i915_private *i915 = gvt->gt->i915;
53 
54 	if (IS_BROADWELL(i915))
55 		return D_BDW;
56 	else if (IS_SKYLAKE(i915))
57 		return D_SKL;
58 	else if (IS_KABYLAKE(i915))
59 		return D_KBL;
60 	else if (IS_BROXTON(i915))
61 		return D_BXT;
62 	else if (IS_COFFEELAKE(i915))
63 		return D_CFL;
64 
65 	return 0;
66 }
67 
68 bool intel_gvt_match_device(struct intel_gvt *gvt,
69 		unsigned long device)
70 {
71 	return intel_gvt_get_device_type(gvt) & device;
72 }
73 
74 static void read_vreg(struct intel_vgpu *vgpu, unsigned int offset,
75 	void *p_data, unsigned int bytes)
76 {
77 	memcpy(p_data, &vgpu_vreg(vgpu, offset), bytes);
78 }
79 
80 static void write_vreg(struct intel_vgpu *vgpu, unsigned int offset,
81 	void *p_data, unsigned int bytes)
82 {
83 	memcpy(&vgpu_vreg(vgpu, offset), p_data, bytes);
84 }
85 
86 static struct intel_gvt_mmio_info *find_mmio_info(struct intel_gvt *gvt,
87 						  unsigned int offset)
88 {
89 	struct intel_gvt_mmio_info *e;
90 
91 	hash_for_each_possible(gvt->mmio.mmio_info_table, e, node, offset) {
92 		if (e->offset == offset)
93 			return e;
94 	}
95 	return NULL;
96 }
97 
98 static int new_mmio_info(struct intel_gvt *gvt,
99 		u32 offset, u8 flags, u32 size,
100 		u32 addr_mask, u32 ro_mask, u32 device,
101 		gvt_mmio_func read, gvt_mmio_func write)
102 {
103 	struct intel_gvt_mmio_info *info, *p;
104 	u32 start, end, i;
105 
106 	if (!intel_gvt_match_device(gvt, device))
107 		return 0;
108 
109 	if (WARN_ON(!IS_ALIGNED(offset, 4)))
110 		return -EINVAL;
111 
112 	start = offset;
113 	end = offset + size;
114 
115 	for (i = start; i < end; i += 4) {
116 		info = kzalloc(sizeof(*info), GFP_KERNEL);
117 		if (!info)
118 			return -ENOMEM;
119 
120 		info->offset = i;
121 		p = find_mmio_info(gvt, info->offset);
122 		if (p) {
123 			WARN(1, "dup mmio definition offset %x\n",
124 				info->offset);
125 			kfree(info);
126 
127 			/* We return -EEXIST here to make GVT-g load fail.
128 			 * So duplicated MMIO can be found as soon as
129 			 * possible.
130 			 */
131 			return -EEXIST;
132 		}
133 
134 		info->ro_mask = ro_mask;
135 		info->device = device;
136 		info->read = read ? read : intel_vgpu_default_mmio_read;
137 		info->write = write ? write : intel_vgpu_default_mmio_write;
138 		gvt->mmio.mmio_attribute[info->offset / 4] = flags;
139 		INIT_HLIST_NODE(&info->node);
140 		hash_add(gvt->mmio.mmio_info_table, &info->node, info->offset);
141 		gvt->mmio.num_tracked_mmio++;
142 	}
143 	return 0;
144 }
145 
146 /**
147  * intel_gvt_render_mmio_to_engine - convert a mmio offset into the engine
148  * @gvt: a GVT device
149  * @offset: register offset
150  *
151  * Returns:
152  * The engine containing the offset within its mmio page.
153  */
154 const struct intel_engine_cs *
155 intel_gvt_render_mmio_to_engine(struct intel_gvt *gvt, unsigned int offset)
156 {
157 	struct intel_engine_cs *engine;
158 	enum intel_engine_id id;
159 
160 	offset &= ~GENMASK(11, 0);
161 	for_each_engine(engine, gvt->gt, id)
162 		if (engine->mmio_base == offset)
163 			return engine;
164 
165 	return NULL;
166 }
167 
168 #define offset_to_fence_num(offset) \
169 	((offset - i915_mmio_reg_offset(FENCE_REG_GEN6_LO(0))) >> 3)
170 
171 #define fence_num_to_offset(num) \
172 	(num * 8 + i915_mmio_reg_offset(FENCE_REG_GEN6_LO(0)))
173 
174 
175 void enter_failsafe_mode(struct intel_vgpu *vgpu, int reason)
176 {
177 	switch (reason) {
178 	case GVT_FAILSAFE_UNSUPPORTED_GUEST:
179 		pr_err("Detected your guest driver doesn't support GVT-g.\n");
180 		break;
181 	case GVT_FAILSAFE_INSUFFICIENT_RESOURCE:
182 		pr_err("Graphics resource is not enough for the guest\n");
183 		break;
184 	case GVT_FAILSAFE_GUEST_ERR:
185 		pr_err("GVT Internal error  for the guest\n");
186 		break;
187 	default:
188 		break;
189 	}
190 	pr_err("Now vgpu %d will enter failsafe mode.\n", vgpu->id);
191 	vgpu->failsafe = true;
192 }
193 
194 static int sanitize_fence_mmio_access(struct intel_vgpu *vgpu,
195 		unsigned int fence_num, void *p_data, unsigned int bytes)
196 {
197 	unsigned int max_fence = vgpu_fence_sz(vgpu);
198 
199 	if (fence_num >= max_fence) {
200 		gvt_vgpu_err("access oob fence reg %d/%d\n",
201 			     fence_num, max_fence);
202 
203 		/* When guest access oob fence regs without access
204 		 * pv_info first, we treat guest not supporting GVT,
205 		 * and we will let vgpu enter failsafe mode.
206 		 */
207 		if (!vgpu->pv_notified)
208 			enter_failsafe_mode(vgpu,
209 					GVT_FAILSAFE_UNSUPPORTED_GUEST);
210 
211 		memset(p_data, 0, bytes);
212 		return -EINVAL;
213 	}
214 	return 0;
215 }
216 
217 static int gamw_echo_dev_rw_ia_write(struct intel_vgpu *vgpu,
218 		unsigned int offset, void *p_data, unsigned int bytes)
219 {
220 	u32 ips = (*(u32 *)p_data) & GAMW_ECO_ENABLE_64K_IPS_FIELD;
221 
222 	if (INTEL_GEN(vgpu->gvt->gt->i915) <= 10) {
223 		if (ips == GAMW_ECO_ENABLE_64K_IPS_FIELD)
224 			gvt_dbg_core("vgpu%d: ips enabled\n", vgpu->id);
225 		else if (!ips)
226 			gvt_dbg_core("vgpu%d: ips disabled\n", vgpu->id);
227 		else {
228 			/* All engines must be enabled together for vGPU,
229 			 * since we don't know which engine the ppgtt will
230 			 * bind to when shadowing.
231 			 */
232 			gvt_vgpu_err("Unsupported IPS setting %x, cannot enable 64K gtt.\n",
233 				     ips);
234 			return -EINVAL;
235 		}
236 	}
237 
238 	write_vreg(vgpu, offset, p_data, bytes);
239 	return 0;
240 }
241 
242 static int fence_mmio_read(struct intel_vgpu *vgpu, unsigned int off,
243 		void *p_data, unsigned int bytes)
244 {
245 	int ret;
246 
247 	ret = sanitize_fence_mmio_access(vgpu, offset_to_fence_num(off),
248 			p_data, bytes);
249 	if (ret)
250 		return ret;
251 	read_vreg(vgpu, off, p_data, bytes);
252 	return 0;
253 }
254 
255 static int fence_mmio_write(struct intel_vgpu *vgpu, unsigned int off,
256 		void *p_data, unsigned int bytes)
257 {
258 	struct intel_gvt *gvt = vgpu->gvt;
259 	unsigned int fence_num = offset_to_fence_num(off);
260 	int ret;
261 
262 	ret = sanitize_fence_mmio_access(vgpu, fence_num, p_data, bytes);
263 	if (ret)
264 		return ret;
265 	write_vreg(vgpu, off, p_data, bytes);
266 
267 	mmio_hw_access_pre(gvt->gt);
268 	intel_vgpu_write_fence(vgpu, fence_num,
269 			vgpu_vreg64(vgpu, fence_num_to_offset(fence_num)));
270 	mmio_hw_access_post(gvt->gt);
271 	return 0;
272 }
273 
274 #define CALC_MODE_MASK_REG(old, new) \
275 	(((new) & GENMASK(31, 16)) \
276 	 | ((((old) & GENMASK(15, 0)) & ~((new) >> 16)) \
277 	 | ((new) & ((new) >> 16))))
278 
279 static int mul_force_wake_write(struct intel_vgpu *vgpu,
280 		unsigned int offset, void *p_data, unsigned int bytes)
281 {
282 	u32 old, new;
283 	u32 ack_reg_offset;
284 
285 	old = vgpu_vreg(vgpu, offset);
286 	new = CALC_MODE_MASK_REG(old, *(u32 *)p_data);
287 
288 	if (INTEL_GEN(vgpu->gvt->gt->i915)  >=  9) {
289 		switch (offset) {
290 		case FORCEWAKE_RENDER_GEN9_REG:
291 			ack_reg_offset = FORCEWAKE_ACK_RENDER_GEN9_REG;
292 			break;
293 		case FORCEWAKE_BLITTER_GEN9_REG:
294 			ack_reg_offset = FORCEWAKE_ACK_BLITTER_GEN9_REG;
295 			break;
296 		case FORCEWAKE_MEDIA_GEN9_REG:
297 			ack_reg_offset = FORCEWAKE_ACK_MEDIA_GEN9_REG;
298 			break;
299 		default:
300 			/*should not hit here*/
301 			gvt_vgpu_err("invalid forcewake offset 0x%x\n", offset);
302 			return -EINVAL;
303 		}
304 	} else {
305 		ack_reg_offset = FORCEWAKE_ACK_HSW_REG;
306 	}
307 
308 	vgpu_vreg(vgpu, offset) = new;
309 	vgpu_vreg(vgpu, ack_reg_offset) = (new & GENMASK(15, 0));
310 	return 0;
311 }
312 
313 static int gdrst_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
314 			    void *p_data, unsigned int bytes)
315 {
316 	intel_engine_mask_t engine_mask = 0;
317 	u32 data;
318 
319 	write_vreg(vgpu, offset, p_data, bytes);
320 	data = vgpu_vreg(vgpu, offset);
321 
322 	if (data & GEN6_GRDOM_FULL) {
323 		gvt_dbg_mmio("vgpu%d: request full GPU reset\n", vgpu->id);
324 		engine_mask = ALL_ENGINES;
325 	} else {
326 		if (data & GEN6_GRDOM_RENDER) {
327 			gvt_dbg_mmio("vgpu%d: request RCS reset\n", vgpu->id);
328 			engine_mask |= BIT(RCS0);
329 		}
330 		if (data & GEN6_GRDOM_MEDIA) {
331 			gvt_dbg_mmio("vgpu%d: request VCS reset\n", vgpu->id);
332 			engine_mask |= BIT(VCS0);
333 		}
334 		if (data & GEN6_GRDOM_BLT) {
335 			gvt_dbg_mmio("vgpu%d: request BCS Reset\n", vgpu->id);
336 			engine_mask |= BIT(BCS0);
337 		}
338 		if (data & GEN6_GRDOM_VECS) {
339 			gvt_dbg_mmio("vgpu%d: request VECS Reset\n", vgpu->id);
340 			engine_mask |= BIT(VECS0);
341 		}
342 		if (data & GEN8_GRDOM_MEDIA2) {
343 			gvt_dbg_mmio("vgpu%d: request VCS2 Reset\n", vgpu->id);
344 			engine_mask |= BIT(VCS1);
345 		}
346 		if (data & GEN9_GRDOM_GUC) {
347 			gvt_dbg_mmio("vgpu%d: request GUC Reset\n", vgpu->id);
348 			vgpu_vreg_t(vgpu, GUC_STATUS) |= GS_MIA_IN_RESET;
349 		}
350 		engine_mask &= INTEL_INFO(vgpu->gvt->gt->i915)->engine_mask;
351 	}
352 
353 	/* vgpu_lock already hold by emulate mmio r/w */
354 	intel_gvt_reset_vgpu_locked(vgpu, false, engine_mask);
355 
356 	/* sw will wait for the device to ack the reset request */
357 	vgpu_vreg(vgpu, offset) = 0;
358 
359 	return 0;
360 }
361 
362 static int gmbus_mmio_read(struct intel_vgpu *vgpu, unsigned int offset,
363 		void *p_data, unsigned int bytes)
364 {
365 	return intel_gvt_i2c_handle_gmbus_read(vgpu, offset, p_data, bytes);
366 }
367 
368 static int gmbus_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
369 		void *p_data, unsigned int bytes)
370 {
371 	return intel_gvt_i2c_handle_gmbus_write(vgpu, offset, p_data, bytes);
372 }
373 
374 static int pch_pp_control_mmio_write(struct intel_vgpu *vgpu,
375 		unsigned int offset, void *p_data, unsigned int bytes)
376 {
377 	write_vreg(vgpu, offset, p_data, bytes);
378 
379 	if (vgpu_vreg(vgpu, offset) & PANEL_POWER_ON) {
380 		vgpu_vreg_t(vgpu, PCH_PP_STATUS) |= PP_ON;
381 		vgpu_vreg_t(vgpu, PCH_PP_STATUS) |= PP_SEQUENCE_STATE_ON_IDLE;
382 		vgpu_vreg_t(vgpu, PCH_PP_STATUS) &= ~PP_SEQUENCE_POWER_DOWN;
383 		vgpu_vreg_t(vgpu, PCH_PP_STATUS) &= ~PP_CYCLE_DELAY_ACTIVE;
384 
385 	} else
386 		vgpu_vreg_t(vgpu, PCH_PP_STATUS) &=
387 			~(PP_ON | PP_SEQUENCE_POWER_DOWN
388 					| PP_CYCLE_DELAY_ACTIVE);
389 	return 0;
390 }
391 
392 static int transconf_mmio_write(struct intel_vgpu *vgpu,
393 		unsigned int offset, void *p_data, unsigned int bytes)
394 {
395 	write_vreg(vgpu, offset, p_data, bytes);
396 
397 	if (vgpu_vreg(vgpu, offset) & TRANS_ENABLE)
398 		vgpu_vreg(vgpu, offset) |= TRANS_STATE_ENABLE;
399 	else
400 		vgpu_vreg(vgpu, offset) &= ~TRANS_STATE_ENABLE;
401 	return 0;
402 }
403 
404 static int lcpll_ctl_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
405 		void *p_data, unsigned int bytes)
406 {
407 	write_vreg(vgpu, offset, p_data, bytes);
408 
409 	if (vgpu_vreg(vgpu, offset) & LCPLL_PLL_DISABLE)
410 		vgpu_vreg(vgpu, offset) &= ~LCPLL_PLL_LOCK;
411 	else
412 		vgpu_vreg(vgpu, offset) |= LCPLL_PLL_LOCK;
413 
414 	if (vgpu_vreg(vgpu, offset) & LCPLL_CD_SOURCE_FCLK)
415 		vgpu_vreg(vgpu, offset) |= LCPLL_CD_SOURCE_FCLK_DONE;
416 	else
417 		vgpu_vreg(vgpu, offset) &= ~LCPLL_CD_SOURCE_FCLK_DONE;
418 
419 	return 0;
420 }
421 
422 static int dpy_reg_mmio_read(struct intel_vgpu *vgpu, unsigned int offset,
423 		void *p_data, unsigned int bytes)
424 {
425 	switch (offset) {
426 	case 0xe651c:
427 	case 0xe661c:
428 	case 0xe671c:
429 	case 0xe681c:
430 		vgpu_vreg(vgpu, offset) = 1 << 17;
431 		break;
432 	case 0xe6c04:
433 		vgpu_vreg(vgpu, offset) = 0x3;
434 		break;
435 	case 0xe6e1c:
436 		vgpu_vreg(vgpu, offset) = 0x2f << 16;
437 		break;
438 	default:
439 		return -EINVAL;
440 	}
441 
442 	read_vreg(vgpu, offset, p_data, bytes);
443 	return 0;
444 }
445 
446 static int pipeconf_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
447 		void *p_data, unsigned int bytes)
448 {
449 	u32 data;
450 
451 	write_vreg(vgpu, offset, p_data, bytes);
452 	data = vgpu_vreg(vgpu, offset);
453 
454 	if (data & PIPECONF_ENABLE)
455 		vgpu_vreg(vgpu, offset) |= I965_PIPECONF_ACTIVE;
456 	else
457 		vgpu_vreg(vgpu, offset) &= ~I965_PIPECONF_ACTIVE;
458 	/* vgpu_lock already hold by emulate mmio r/w */
459 	mutex_unlock(&vgpu->vgpu_lock);
460 	intel_gvt_check_vblank_emulation(vgpu->gvt);
461 	mutex_lock(&vgpu->vgpu_lock);
462 	return 0;
463 }
464 
465 /* ascendingly sorted */
466 static i915_reg_t force_nonpriv_white_list[] = {
467 	GEN9_CS_DEBUG_MODE1, //_MMIO(0x20ec)
468 	GEN9_CTX_PREEMPT_REG,//_MMIO(0x2248)
469 	PS_INVOCATION_COUNT,//_MMIO(0x2348)
470 	GEN8_CS_CHICKEN1,//_MMIO(0x2580)
471 	_MMIO(0x2690),
472 	_MMIO(0x2694),
473 	_MMIO(0x2698),
474 	_MMIO(0x2754),
475 	_MMIO(0x28a0),
476 	_MMIO(0x4de0),
477 	_MMIO(0x4de4),
478 	_MMIO(0x4dfc),
479 	GEN7_COMMON_SLICE_CHICKEN1,//_MMIO(0x7010)
480 	_MMIO(0x7014),
481 	HDC_CHICKEN0,//_MMIO(0x7300)
482 	GEN8_HDC_CHICKEN1,//_MMIO(0x7304)
483 	_MMIO(0x7700),
484 	_MMIO(0x7704),
485 	_MMIO(0x7708),
486 	_MMIO(0x770c),
487 	_MMIO(0x83a8),
488 	_MMIO(0xb110),
489 	GEN8_L3SQCREG4,//_MMIO(0xb118)
490 	_MMIO(0xe100),
491 	_MMIO(0xe18c),
492 	_MMIO(0xe48c),
493 	_MMIO(0xe5f4),
494 };
495 
496 /* a simple bsearch */
497 static inline bool in_whitelist(u32 reg)
498 {
499 	int left = 0, right = ARRAY_SIZE(force_nonpriv_white_list);
500 	i915_reg_t *array = force_nonpriv_white_list;
501 
502 	while (left < right) {
503 		int mid = (left + right)/2;
504 
505 		if (reg > array[mid].reg)
506 			left = mid + 1;
507 		else if (reg < array[mid].reg)
508 			right = mid;
509 		else
510 			return true;
511 	}
512 	return false;
513 }
514 
515 static int force_nonpriv_write(struct intel_vgpu *vgpu,
516 	unsigned int offset, void *p_data, unsigned int bytes)
517 {
518 	u32 reg_nonpriv = (*(u32 *)p_data) & REG_GENMASK(25, 2);
519 	const struct intel_engine_cs *engine =
520 		intel_gvt_render_mmio_to_engine(vgpu->gvt, offset);
521 
522 	if (bytes != 4 || !IS_ALIGNED(offset, bytes) || !engine) {
523 		gvt_err("vgpu(%d) Invalid FORCE_NONPRIV offset %x(%dB)\n",
524 			vgpu->id, offset, bytes);
525 		return -EINVAL;
526 	}
527 
528 	if (!in_whitelist(reg_nonpriv) &&
529 	    reg_nonpriv != i915_mmio_reg_offset(RING_NOPID(engine->mmio_base))) {
530 		gvt_err("vgpu(%d) Invalid FORCE_NONPRIV write %x at offset %x\n",
531 			vgpu->id, reg_nonpriv, offset);
532 	} else
533 		intel_vgpu_default_mmio_write(vgpu, offset, p_data, bytes);
534 
535 	return 0;
536 }
537 
538 static int ddi_buf_ctl_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
539 		void *p_data, unsigned int bytes)
540 {
541 	write_vreg(vgpu, offset, p_data, bytes);
542 
543 	if (vgpu_vreg(vgpu, offset) & DDI_BUF_CTL_ENABLE) {
544 		vgpu_vreg(vgpu, offset) &= ~DDI_BUF_IS_IDLE;
545 	} else {
546 		vgpu_vreg(vgpu, offset) |= DDI_BUF_IS_IDLE;
547 		if (offset == i915_mmio_reg_offset(DDI_BUF_CTL(PORT_E)))
548 			vgpu_vreg_t(vgpu, DP_TP_STATUS(PORT_E))
549 				&= ~DP_TP_STATUS_AUTOTRAIN_DONE;
550 	}
551 	return 0;
552 }
553 
554 static int fdi_rx_iir_mmio_write(struct intel_vgpu *vgpu,
555 		unsigned int offset, void *p_data, unsigned int bytes)
556 {
557 	vgpu_vreg(vgpu, offset) &= ~*(u32 *)p_data;
558 	return 0;
559 }
560 
561 #define FDI_LINK_TRAIN_PATTERN1         0
562 #define FDI_LINK_TRAIN_PATTERN2         1
563 
564 static int fdi_auto_training_started(struct intel_vgpu *vgpu)
565 {
566 	u32 ddi_buf_ctl = vgpu_vreg_t(vgpu, DDI_BUF_CTL(PORT_E));
567 	u32 rx_ctl = vgpu_vreg(vgpu, _FDI_RXA_CTL);
568 	u32 tx_ctl = vgpu_vreg_t(vgpu, DP_TP_CTL(PORT_E));
569 
570 	if ((ddi_buf_ctl & DDI_BUF_CTL_ENABLE) &&
571 			(rx_ctl & FDI_RX_ENABLE) &&
572 			(rx_ctl & FDI_AUTO_TRAINING) &&
573 			(tx_ctl & DP_TP_CTL_ENABLE) &&
574 			(tx_ctl & DP_TP_CTL_FDI_AUTOTRAIN))
575 		return 1;
576 	else
577 		return 0;
578 }
579 
580 static int check_fdi_rx_train_status(struct intel_vgpu *vgpu,
581 		enum pipe pipe, unsigned int train_pattern)
582 {
583 	i915_reg_t fdi_rx_imr, fdi_tx_ctl, fdi_rx_ctl;
584 	unsigned int fdi_rx_check_bits, fdi_tx_check_bits;
585 	unsigned int fdi_rx_train_bits, fdi_tx_train_bits;
586 	unsigned int fdi_iir_check_bits;
587 
588 	fdi_rx_imr = FDI_RX_IMR(pipe);
589 	fdi_tx_ctl = FDI_TX_CTL(pipe);
590 	fdi_rx_ctl = FDI_RX_CTL(pipe);
591 
592 	if (train_pattern == FDI_LINK_TRAIN_PATTERN1) {
593 		fdi_rx_train_bits = FDI_LINK_TRAIN_PATTERN_1_CPT;
594 		fdi_tx_train_bits = FDI_LINK_TRAIN_PATTERN_1;
595 		fdi_iir_check_bits = FDI_RX_BIT_LOCK;
596 	} else if (train_pattern == FDI_LINK_TRAIN_PATTERN2) {
597 		fdi_rx_train_bits = FDI_LINK_TRAIN_PATTERN_2_CPT;
598 		fdi_tx_train_bits = FDI_LINK_TRAIN_PATTERN_2;
599 		fdi_iir_check_bits = FDI_RX_SYMBOL_LOCK;
600 	} else {
601 		gvt_vgpu_err("Invalid train pattern %d\n", train_pattern);
602 		return -EINVAL;
603 	}
604 
605 	fdi_rx_check_bits = FDI_RX_ENABLE | fdi_rx_train_bits;
606 	fdi_tx_check_bits = FDI_TX_ENABLE | fdi_tx_train_bits;
607 
608 	/* If imr bit has been masked */
609 	if (vgpu_vreg_t(vgpu, fdi_rx_imr) & fdi_iir_check_bits)
610 		return 0;
611 
612 	if (((vgpu_vreg_t(vgpu, fdi_tx_ctl) & fdi_tx_check_bits)
613 			== fdi_tx_check_bits)
614 		&& ((vgpu_vreg_t(vgpu, fdi_rx_ctl) & fdi_rx_check_bits)
615 			== fdi_rx_check_bits))
616 		return 1;
617 	else
618 		return 0;
619 }
620 
621 #define INVALID_INDEX (~0U)
622 
623 static unsigned int calc_index(unsigned int offset, unsigned int start,
624 	unsigned int next, unsigned int end, i915_reg_t i915_end)
625 {
626 	unsigned int range = next - start;
627 
628 	if (!end)
629 		end = i915_mmio_reg_offset(i915_end);
630 	if (offset < start || offset > end)
631 		return INVALID_INDEX;
632 	offset -= start;
633 	return offset / range;
634 }
635 
636 #define FDI_RX_CTL_TO_PIPE(offset) \
637 	calc_index(offset, _FDI_RXA_CTL, _FDI_RXB_CTL, 0, FDI_RX_CTL(PIPE_C))
638 
639 #define FDI_TX_CTL_TO_PIPE(offset) \
640 	calc_index(offset, _FDI_TXA_CTL, _FDI_TXB_CTL, 0, FDI_TX_CTL(PIPE_C))
641 
642 #define FDI_RX_IMR_TO_PIPE(offset) \
643 	calc_index(offset, _FDI_RXA_IMR, _FDI_RXB_IMR, 0, FDI_RX_IMR(PIPE_C))
644 
645 static int update_fdi_rx_iir_status(struct intel_vgpu *vgpu,
646 		unsigned int offset, void *p_data, unsigned int bytes)
647 {
648 	i915_reg_t fdi_rx_iir;
649 	unsigned int index;
650 	int ret;
651 
652 	if (FDI_RX_CTL_TO_PIPE(offset) != INVALID_INDEX)
653 		index = FDI_RX_CTL_TO_PIPE(offset);
654 	else if (FDI_TX_CTL_TO_PIPE(offset) != INVALID_INDEX)
655 		index = FDI_TX_CTL_TO_PIPE(offset);
656 	else if (FDI_RX_IMR_TO_PIPE(offset) != INVALID_INDEX)
657 		index = FDI_RX_IMR_TO_PIPE(offset);
658 	else {
659 		gvt_vgpu_err("Unsupport registers %x\n", offset);
660 		return -EINVAL;
661 	}
662 
663 	write_vreg(vgpu, offset, p_data, bytes);
664 
665 	fdi_rx_iir = FDI_RX_IIR(index);
666 
667 	ret = check_fdi_rx_train_status(vgpu, index, FDI_LINK_TRAIN_PATTERN1);
668 	if (ret < 0)
669 		return ret;
670 	if (ret)
671 		vgpu_vreg_t(vgpu, fdi_rx_iir) |= FDI_RX_BIT_LOCK;
672 
673 	ret = check_fdi_rx_train_status(vgpu, index, FDI_LINK_TRAIN_PATTERN2);
674 	if (ret < 0)
675 		return ret;
676 	if (ret)
677 		vgpu_vreg_t(vgpu, fdi_rx_iir) |= FDI_RX_SYMBOL_LOCK;
678 
679 	if (offset == _FDI_RXA_CTL)
680 		if (fdi_auto_training_started(vgpu))
681 			vgpu_vreg_t(vgpu, DP_TP_STATUS(PORT_E)) |=
682 				DP_TP_STATUS_AUTOTRAIN_DONE;
683 	return 0;
684 }
685 
686 #define DP_TP_CTL_TO_PORT(offset) \
687 	calc_index(offset, _DP_TP_CTL_A, _DP_TP_CTL_B, 0, DP_TP_CTL(PORT_E))
688 
689 static int dp_tp_ctl_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
690 		void *p_data, unsigned int bytes)
691 {
692 	i915_reg_t status_reg;
693 	unsigned int index;
694 	u32 data;
695 
696 	write_vreg(vgpu, offset, p_data, bytes);
697 
698 	index = DP_TP_CTL_TO_PORT(offset);
699 	data = (vgpu_vreg(vgpu, offset) & GENMASK(10, 8)) >> 8;
700 	if (data == 0x2) {
701 		status_reg = DP_TP_STATUS(index);
702 		vgpu_vreg_t(vgpu, status_reg) |= (1 << 25);
703 	}
704 	return 0;
705 }
706 
707 static int dp_tp_status_mmio_write(struct intel_vgpu *vgpu,
708 		unsigned int offset, void *p_data, unsigned int bytes)
709 {
710 	u32 reg_val;
711 	u32 sticky_mask;
712 
713 	reg_val = *((u32 *)p_data);
714 	sticky_mask = GENMASK(27, 26) | (1 << 24);
715 
716 	vgpu_vreg(vgpu, offset) = (reg_val & ~sticky_mask) |
717 		(vgpu_vreg(vgpu, offset) & sticky_mask);
718 	vgpu_vreg(vgpu, offset) &= ~(reg_val & sticky_mask);
719 	return 0;
720 }
721 
722 static int pch_adpa_mmio_write(struct intel_vgpu *vgpu,
723 		unsigned int offset, void *p_data, unsigned int bytes)
724 {
725 	u32 data;
726 
727 	write_vreg(vgpu, offset, p_data, bytes);
728 	data = vgpu_vreg(vgpu, offset);
729 
730 	if (data & ADPA_CRT_HOTPLUG_FORCE_TRIGGER)
731 		vgpu_vreg(vgpu, offset) &= ~ADPA_CRT_HOTPLUG_FORCE_TRIGGER;
732 	return 0;
733 }
734 
735 static int south_chicken2_mmio_write(struct intel_vgpu *vgpu,
736 		unsigned int offset, void *p_data, unsigned int bytes)
737 {
738 	u32 data;
739 
740 	write_vreg(vgpu, offset, p_data, bytes);
741 	data = vgpu_vreg(vgpu, offset);
742 
743 	if (data & FDI_MPHY_IOSFSB_RESET_CTL)
744 		vgpu_vreg(vgpu, offset) |= FDI_MPHY_IOSFSB_RESET_STATUS;
745 	else
746 		vgpu_vreg(vgpu, offset) &= ~FDI_MPHY_IOSFSB_RESET_STATUS;
747 	return 0;
748 }
749 
750 #define DSPSURF_TO_PIPE(offset) \
751 	calc_index(offset, _DSPASURF, _DSPBSURF, 0, DSPSURF(PIPE_C))
752 
753 static int pri_surf_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
754 		void *p_data, unsigned int bytes)
755 {
756 	struct drm_i915_private *dev_priv = vgpu->gvt->gt->i915;
757 	u32 pipe = DSPSURF_TO_PIPE(offset);
758 	int event = SKL_FLIP_EVENT(pipe, PLANE_PRIMARY);
759 
760 	write_vreg(vgpu, offset, p_data, bytes);
761 	vgpu_vreg_t(vgpu, DSPSURFLIVE(pipe)) = vgpu_vreg(vgpu, offset);
762 
763 	vgpu_vreg_t(vgpu, PIPE_FLIPCOUNT_G4X(pipe))++;
764 
765 	if (vgpu_vreg_t(vgpu, DSPCNTR(pipe)) & PLANE_CTL_ASYNC_FLIP)
766 		intel_vgpu_trigger_virtual_event(vgpu, event);
767 	else
768 		set_bit(event, vgpu->irq.flip_done_event[pipe]);
769 
770 	return 0;
771 }
772 
773 #define SPRSURF_TO_PIPE(offset) \
774 	calc_index(offset, _SPRA_SURF, _SPRB_SURF, 0, SPRSURF(PIPE_C))
775 
776 static int spr_surf_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
777 		void *p_data, unsigned int bytes)
778 {
779 	u32 pipe = SPRSURF_TO_PIPE(offset);
780 	int event = SKL_FLIP_EVENT(pipe, PLANE_SPRITE0);
781 
782 	write_vreg(vgpu, offset, p_data, bytes);
783 	vgpu_vreg_t(vgpu, SPRSURFLIVE(pipe)) = vgpu_vreg(vgpu, offset);
784 
785 	if (vgpu_vreg_t(vgpu, SPRCTL(pipe)) & PLANE_CTL_ASYNC_FLIP)
786 		intel_vgpu_trigger_virtual_event(vgpu, event);
787 	else
788 		set_bit(event, vgpu->irq.flip_done_event[pipe]);
789 
790 	return 0;
791 }
792 
793 static int reg50080_mmio_write(struct intel_vgpu *vgpu,
794 			       unsigned int offset, void *p_data,
795 			       unsigned int bytes)
796 {
797 	struct drm_i915_private *dev_priv = vgpu->gvt->gt->i915;
798 	enum pipe pipe = REG_50080_TO_PIPE(offset);
799 	enum plane_id plane = REG_50080_TO_PLANE(offset);
800 	int event = SKL_FLIP_EVENT(pipe, plane);
801 
802 	write_vreg(vgpu, offset, p_data, bytes);
803 	if (plane == PLANE_PRIMARY) {
804 		vgpu_vreg_t(vgpu, DSPSURFLIVE(pipe)) = vgpu_vreg(vgpu, offset);
805 		vgpu_vreg_t(vgpu, PIPE_FLIPCOUNT_G4X(pipe))++;
806 	} else {
807 		vgpu_vreg_t(vgpu, SPRSURFLIVE(pipe)) = vgpu_vreg(vgpu, offset);
808 	}
809 
810 	if ((vgpu_vreg(vgpu, offset) & REG50080_FLIP_TYPE_MASK) == REG50080_FLIP_TYPE_ASYNC)
811 		intel_vgpu_trigger_virtual_event(vgpu, event);
812 	else
813 		set_bit(event, vgpu->irq.flip_done_event[pipe]);
814 
815 	return 0;
816 }
817 
818 static int trigger_aux_channel_interrupt(struct intel_vgpu *vgpu,
819 		unsigned int reg)
820 {
821 	struct drm_i915_private *dev_priv = vgpu->gvt->gt->i915;
822 	enum intel_gvt_event_type event;
823 
824 	if (reg == i915_mmio_reg_offset(DP_AUX_CH_CTL(AUX_CH_A)))
825 		event = AUX_CHANNEL_A;
826 	else if (reg == _PCH_DPB_AUX_CH_CTL ||
827 		 reg == i915_mmio_reg_offset(DP_AUX_CH_CTL(AUX_CH_B)))
828 		event = AUX_CHANNEL_B;
829 	else if (reg == _PCH_DPC_AUX_CH_CTL ||
830 		 reg == i915_mmio_reg_offset(DP_AUX_CH_CTL(AUX_CH_C)))
831 		event = AUX_CHANNEL_C;
832 	else if (reg == _PCH_DPD_AUX_CH_CTL ||
833 		 reg == i915_mmio_reg_offset(DP_AUX_CH_CTL(AUX_CH_D)))
834 		event = AUX_CHANNEL_D;
835 	else {
836 		drm_WARN_ON(&dev_priv->drm, true);
837 		return -EINVAL;
838 	}
839 
840 	intel_vgpu_trigger_virtual_event(vgpu, event);
841 	return 0;
842 }
843 
844 static int dp_aux_ch_ctl_trans_done(struct intel_vgpu *vgpu, u32 value,
845 		unsigned int reg, int len, bool data_valid)
846 {
847 	/* mark transaction done */
848 	value |= DP_AUX_CH_CTL_DONE;
849 	value &= ~DP_AUX_CH_CTL_SEND_BUSY;
850 	value &= ~DP_AUX_CH_CTL_RECEIVE_ERROR;
851 
852 	if (data_valid)
853 		value &= ~DP_AUX_CH_CTL_TIME_OUT_ERROR;
854 	else
855 		value |= DP_AUX_CH_CTL_TIME_OUT_ERROR;
856 
857 	/* message size */
858 	value &= ~(0xf << 20);
859 	value |= (len << 20);
860 	vgpu_vreg(vgpu, reg) = value;
861 
862 	if (value & DP_AUX_CH_CTL_INTERRUPT)
863 		return trigger_aux_channel_interrupt(vgpu, reg);
864 	return 0;
865 }
866 
867 static void dp_aux_ch_ctl_link_training(struct intel_vgpu_dpcd_data *dpcd,
868 		u8 t)
869 {
870 	if ((t & DPCD_TRAINING_PATTERN_SET_MASK) == DPCD_TRAINING_PATTERN_1) {
871 		/* training pattern 1 for CR */
872 		/* set LANE0_CR_DONE, LANE1_CR_DONE */
873 		dpcd->data[DPCD_LANE0_1_STATUS] |= DPCD_LANES_CR_DONE;
874 		/* set LANE2_CR_DONE, LANE3_CR_DONE */
875 		dpcd->data[DPCD_LANE2_3_STATUS] |= DPCD_LANES_CR_DONE;
876 	} else if ((t & DPCD_TRAINING_PATTERN_SET_MASK) ==
877 			DPCD_TRAINING_PATTERN_2) {
878 		/* training pattern 2 for EQ */
879 		/* Set CHANNEL_EQ_DONE and  SYMBOL_LOCKED for Lane0_1 */
880 		dpcd->data[DPCD_LANE0_1_STATUS] |= DPCD_LANES_EQ_DONE;
881 		dpcd->data[DPCD_LANE0_1_STATUS] |= DPCD_SYMBOL_LOCKED;
882 		/* Set CHANNEL_EQ_DONE and  SYMBOL_LOCKED for Lane2_3 */
883 		dpcd->data[DPCD_LANE2_3_STATUS] |= DPCD_LANES_EQ_DONE;
884 		dpcd->data[DPCD_LANE2_3_STATUS] |= DPCD_SYMBOL_LOCKED;
885 		/* set INTERLANE_ALIGN_DONE */
886 		dpcd->data[DPCD_LANE_ALIGN_STATUS_UPDATED] |=
887 			DPCD_INTERLANE_ALIGN_DONE;
888 	} else if ((t & DPCD_TRAINING_PATTERN_SET_MASK) ==
889 			DPCD_LINK_TRAINING_DISABLED) {
890 		/* finish link training */
891 		/* set sink status as synchronized */
892 		dpcd->data[DPCD_SINK_STATUS] = DPCD_SINK_IN_SYNC;
893 	}
894 }
895 
896 #define _REG_HSW_DP_AUX_CH_CTL(dp) \
897 	((dp) ? (_PCH_DPB_AUX_CH_CTL + ((dp)-1)*0x100) : 0x64010)
898 
899 #define _REG_SKL_DP_AUX_CH_CTL(dp) (0x64010 + (dp) * 0x100)
900 
901 #define OFFSET_TO_DP_AUX_PORT(offset) (((offset) & 0xF00) >> 8)
902 
903 #define dpy_is_valid_port(port)	\
904 		(((port) >= PORT_A) && ((port) < I915_MAX_PORTS))
905 
906 static int dp_aux_ch_ctl_mmio_write(struct intel_vgpu *vgpu,
907 		unsigned int offset, void *p_data, unsigned int bytes)
908 {
909 	struct intel_vgpu_display *display = &vgpu->display;
910 	int msg, addr, ctrl, op, len;
911 	int port_index = OFFSET_TO_DP_AUX_PORT(offset);
912 	struct intel_vgpu_dpcd_data *dpcd = NULL;
913 	struct intel_vgpu_port *port = NULL;
914 	u32 data;
915 
916 	if (!dpy_is_valid_port(port_index)) {
917 		gvt_vgpu_err("Unsupported DP port access!\n");
918 		return 0;
919 	}
920 
921 	write_vreg(vgpu, offset, p_data, bytes);
922 	data = vgpu_vreg(vgpu, offset);
923 
924 	if ((INTEL_GEN(vgpu->gvt->gt->i915) >= 9)
925 		&& offset != _REG_SKL_DP_AUX_CH_CTL(port_index)) {
926 		/* SKL DPB/C/D aux ctl register changed */
927 		return 0;
928 	} else if (IS_BROADWELL(vgpu->gvt->gt->i915) &&
929 		   offset != _REG_HSW_DP_AUX_CH_CTL(port_index)) {
930 		/* write to the data registers */
931 		return 0;
932 	}
933 
934 	if (!(data & DP_AUX_CH_CTL_SEND_BUSY)) {
935 		/* just want to clear the sticky bits */
936 		vgpu_vreg(vgpu, offset) = 0;
937 		return 0;
938 	}
939 
940 	port = &display->ports[port_index];
941 	dpcd = port->dpcd;
942 
943 	/* read out message from DATA1 register */
944 	msg = vgpu_vreg(vgpu, offset + 4);
945 	addr = (msg >> 8) & 0xffff;
946 	ctrl = (msg >> 24) & 0xff;
947 	len = msg & 0xff;
948 	op = ctrl >> 4;
949 
950 	if (op == GVT_AUX_NATIVE_WRITE) {
951 		int t;
952 		u8 buf[16];
953 
954 		if ((addr + len + 1) >= DPCD_SIZE) {
955 			/*
956 			 * Write request exceeds what we supported,
957 			 * DCPD spec: When a Source Device is writing a DPCD
958 			 * address not supported by the Sink Device, the Sink
959 			 * Device shall reply with AUX NACK and “M” equal to
960 			 * zero.
961 			 */
962 
963 			/* NAK the write */
964 			vgpu_vreg(vgpu, offset + 4) = AUX_NATIVE_REPLY_NAK;
965 			dp_aux_ch_ctl_trans_done(vgpu, data, offset, 2, true);
966 			return 0;
967 		}
968 
969 		/*
970 		 * Write request format: Headr (command + address + size) occupies
971 		 * 4 bytes, followed by (len + 1) bytes of data. See details at
972 		 * intel_dp_aux_transfer().
973 		 */
974 		if ((len + 1 + 4) > AUX_BURST_SIZE) {
975 			gvt_vgpu_err("dp_aux_header: len %d is too large\n", len);
976 			return -EINVAL;
977 		}
978 
979 		/* unpack data from vreg to buf */
980 		for (t = 0; t < 4; t++) {
981 			u32 r = vgpu_vreg(vgpu, offset + 8 + t * 4);
982 
983 			buf[t * 4] = (r >> 24) & 0xff;
984 			buf[t * 4 + 1] = (r >> 16) & 0xff;
985 			buf[t * 4 + 2] = (r >> 8) & 0xff;
986 			buf[t * 4 + 3] = r & 0xff;
987 		}
988 
989 		/* write to virtual DPCD */
990 		if (dpcd && dpcd->data_valid) {
991 			for (t = 0; t <= len; t++) {
992 				int p = addr + t;
993 
994 				dpcd->data[p] = buf[t];
995 				/* check for link training */
996 				if (p == DPCD_TRAINING_PATTERN_SET)
997 					dp_aux_ch_ctl_link_training(dpcd,
998 							buf[t]);
999 			}
1000 		}
1001 
1002 		/* ACK the write */
1003 		vgpu_vreg(vgpu, offset + 4) = 0;
1004 		dp_aux_ch_ctl_trans_done(vgpu, data, offset, 1,
1005 				dpcd && dpcd->data_valid);
1006 		return 0;
1007 	}
1008 
1009 	if (op == GVT_AUX_NATIVE_READ) {
1010 		int idx, i, ret = 0;
1011 
1012 		if ((addr + len + 1) >= DPCD_SIZE) {
1013 			/*
1014 			 * read request exceeds what we supported
1015 			 * DPCD spec: A Sink Device receiving a Native AUX CH
1016 			 * read request for an unsupported DPCD address must
1017 			 * reply with an AUX ACK and read data set equal to
1018 			 * zero instead of replying with AUX NACK.
1019 			 */
1020 
1021 			/* ACK the READ*/
1022 			vgpu_vreg(vgpu, offset + 4) = 0;
1023 			vgpu_vreg(vgpu, offset + 8) = 0;
1024 			vgpu_vreg(vgpu, offset + 12) = 0;
1025 			vgpu_vreg(vgpu, offset + 16) = 0;
1026 			vgpu_vreg(vgpu, offset + 20) = 0;
1027 
1028 			dp_aux_ch_ctl_trans_done(vgpu, data, offset, len + 2,
1029 					true);
1030 			return 0;
1031 		}
1032 
1033 		for (idx = 1; idx <= 5; idx++) {
1034 			/* clear the data registers */
1035 			vgpu_vreg(vgpu, offset + 4 * idx) = 0;
1036 		}
1037 
1038 		/*
1039 		 * Read reply format: ACK (1 byte) plus (len + 1) bytes of data.
1040 		 */
1041 		if ((len + 2) > AUX_BURST_SIZE) {
1042 			gvt_vgpu_err("dp_aux_header: len %d is too large\n", len);
1043 			return -EINVAL;
1044 		}
1045 
1046 		/* read from virtual DPCD to vreg */
1047 		/* first 4 bytes: [ACK][addr][addr+1][addr+2] */
1048 		if (dpcd && dpcd->data_valid) {
1049 			for (i = 1; i <= (len + 1); i++) {
1050 				int t;
1051 
1052 				t = dpcd->data[addr + i - 1];
1053 				t <<= (24 - 8 * (i % 4));
1054 				ret |= t;
1055 
1056 				if ((i % 4 == 3) || (i == (len + 1))) {
1057 					vgpu_vreg(vgpu, offset +
1058 							(i / 4 + 1) * 4) = ret;
1059 					ret = 0;
1060 				}
1061 			}
1062 		}
1063 		dp_aux_ch_ctl_trans_done(vgpu, data, offset, len + 2,
1064 				dpcd && dpcd->data_valid);
1065 		return 0;
1066 	}
1067 
1068 	/* i2c transaction starts */
1069 	intel_gvt_i2c_handle_aux_ch_write(vgpu, port_index, offset, p_data);
1070 
1071 	if (data & DP_AUX_CH_CTL_INTERRUPT)
1072 		trigger_aux_channel_interrupt(vgpu, offset);
1073 	return 0;
1074 }
1075 
1076 static int mbctl_write(struct intel_vgpu *vgpu, unsigned int offset,
1077 		void *p_data, unsigned int bytes)
1078 {
1079 	*(u32 *)p_data &= (~GEN6_MBCTL_ENABLE_BOOT_FETCH);
1080 	write_vreg(vgpu, offset, p_data, bytes);
1081 	return 0;
1082 }
1083 
1084 static int vga_control_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
1085 		void *p_data, unsigned int bytes)
1086 {
1087 	bool vga_disable;
1088 
1089 	write_vreg(vgpu, offset, p_data, bytes);
1090 	vga_disable = vgpu_vreg(vgpu, offset) & VGA_DISP_DISABLE;
1091 
1092 	gvt_dbg_core("vgpu%d: %s VGA mode\n", vgpu->id,
1093 			vga_disable ? "Disable" : "Enable");
1094 	return 0;
1095 }
1096 
1097 static u32 read_virtual_sbi_register(struct intel_vgpu *vgpu,
1098 		unsigned int sbi_offset)
1099 {
1100 	struct intel_vgpu_display *display = &vgpu->display;
1101 	int num = display->sbi.number;
1102 	int i;
1103 
1104 	for (i = 0; i < num; ++i)
1105 		if (display->sbi.registers[i].offset == sbi_offset)
1106 			break;
1107 
1108 	if (i == num)
1109 		return 0;
1110 
1111 	return display->sbi.registers[i].value;
1112 }
1113 
1114 static void write_virtual_sbi_register(struct intel_vgpu *vgpu,
1115 		unsigned int offset, u32 value)
1116 {
1117 	struct intel_vgpu_display *display = &vgpu->display;
1118 	int num = display->sbi.number;
1119 	int i;
1120 
1121 	for (i = 0; i < num; ++i) {
1122 		if (display->sbi.registers[i].offset == offset)
1123 			break;
1124 	}
1125 
1126 	if (i == num) {
1127 		if (num == SBI_REG_MAX) {
1128 			gvt_vgpu_err("SBI caching meets maximum limits\n");
1129 			return;
1130 		}
1131 		display->sbi.number++;
1132 	}
1133 
1134 	display->sbi.registers[i].offset = offset;
1135 	display->sbi.registers[i].value = value;
1136 }
1137 
1138 static int sbi_data_mmio_read(struct intel_vgpu *vgpu, unsigned int offset,
1139 		void *p_data, unsigned int bytes)
1140 {
1141 	if (((vgpu_vreg_t(vgpu, SBI_CTL_STAT) & SBI_OPCODE_MASK) >>
1142 				SBI_OPCODE_SHIFT) == SBI_CMD_CRRD) {
1143 		unsigned int sbi_offset = (vgpu_vreg_t(vgpu, SBI_ADDR) &
1144 				SBI_ADDR_OFFSET_MASK) >> SBI_ADDR_OFFSET_SHIFT;
1145 		vgpu_vreg(vgpu, offset) = read_virtual_sbi_register(vgpu,
1146 				sbi_offset);
1147 	}
1148 	read_vreg(vgpu, offset, p_data, bytes);
1149 	return 0;
1150 }
1151 
1152 static int sbi_ctl_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
1153 		void *p_data, unsigned int bytes)
1154 {
1155 	u32 data;
1156 
1157 	write_vreg(vgpu, offset, p_data, bytes);
1158 	data = vgpu_vreg(vgpu, offset);
1159 
1160 	data &= ~(SBI_STAT_MASK << SBI_STAT_SHIFT);
1161 	data |= SBI_READY;
1162 
1163 	data &= ~(SBI_RESPONSE_MASK << SBI_RESPONSE_SHIFT);
1164 	data |= SBI_RESPONSE_SUCCESS;
1165 
1166 	vgpu_vreg(vgpu, offset) = data;
1167 
1168 	if (((vgpu_vreg_t(vgpu, SBI_CTL_STAT) & SBI_OPCODE_MASK) >>
1169 				SBI_OPCODE_SHIFT) == SBI_CMD_CRWR) {
1170 		unsigned int sbi_offset = (vgpu_vreg_t(vgpu, SBI_ADDR) &
1171 				SBI_ADDR_OFFSET_MASK) >> SBI_ADDR_OFFSET_SHIFT;
1172 
1173 		write_virtual_sbi_register(vgpu, sbi_offset,
1174 					   vgpu_vreg_t(vgpu, SBI_DATA));
1175 	}
1176 	return 0;
1177 }
1178 
1179 #define _vgtif_reg(x) \
1180 	(VGT_PVINFO_PAGE + offsetof(struct vgt_if, x))
1181 
1182 static int pvinfo_mmio_read(struct intel_vgpu *vgpu, unsigned int offset,
1183 		void *p_data, unsigned int bytes)
1184 {
1185 	bool invalid_read = false;
1186 
1187 	read_vreg(vgpu, offset, p_data, bytes);
1188 
1189 	switch (offset) {
1190 	case _vgtif_reg(magic) ... _vgtif_reg(vgt_id):
1191 		if (offset + bytes > _vgtif_reg(vgt_id) + 4)
1192 			invalid_read = true;
1193 		break;
1194 	case _vgtif_reg(avail_rs.mappable_gmadr.base) ...
1195 		_vgtif_reg(avail_rs.fence_num):
1196 		if (offset + bytes >
1197 			_vgtif_reg(avail_rs.fence_num) + 4)
1198 			invalid_read = true;
1199 		break;
1200 	case 0x78010:	/* vgt_caps */
1201 	case 0x7881c:
1202 		break;
1203 	default:
1204 		invalid_read = true;
1205 		break;
1206 	}
1207 	if (invalid_read)
1208 		gvt_vgpu_err("invalid pvinfo read: [%x:%x] = %x\n",
1209 				offset, bytes, *(u32 *)p_data);
1210 	vgpu->pv_notified = true;
1211 	return 0;
1212 }
1213 
1214 static int handle_g2v_notification(struct intel_vgpu *vgpu, int notification)
1215 {
1216 	enum intel_gvt_gtt_type root_entry_type = GTT_TYPE_PPGTT_ROOT_L4_ENTRY;
1217 	struct intel_vgpu_mm *mm;
1218 	u64 *pdps;
1219 
1220 	pdps = (u64 *)&vgpu_vreg64_t(vgpu, vgtif_reg(pdp[0]));
1221 
1222 	switch (notification) {
1223 	case VGT_G2V_PPGTT_L3_PAGE_TABLE_CREATE:
1224 		root_entry_type = GTT_TYPE_PPGTT_ROOT_L3_ENTRY;
1225 		/* fall through */
1226 	case VGT_G2V_PPGTT_L4_PAGE_TABLE_CREATE:
1227 		mm = intel_vgpu_get_ppgtt_mm(vgpu, root_entry_type, pdps);
1228 		return PTR_ERR_OR_ZERO(mm);
1229 	case VGT_G2V_PPGTT_L3_PAGE_TABLE_DESTROY:
1230 	case VGT_G2V_PPGTT_L4_PAGE_TABLE_DESTROY:
1231 		return intel_vgpu_put_ppgtt_mm(vgpu, pdps);
1232 	case VGT_G2V_EXECLIST_CONTEXT_CREATE:
1233 	case VGT_G2V_EXECLIST_CONTEXT_DESTROY:
1234 	case 1:	/* Remove this in guest driver. */
1235 		break;
1236 	default:
1237 		gvt_vgpu_err("Invalid PV notification %d\n", notification);
1238 	}
1239 	return 0;
1240 }
1241 
1242 static int send_display_ready_uevent(struct intel_vgpu *vgpu, int ready)
1243 {
1244 	struct kobject *kobj = &vgpu->gvt->gt->i915->drm.primary->kdev->kobj;
1245 	char *env[3] = {NULL, NULL, NULL};
1246 	char vmid_str[20];
1247 	char display_ready_str[20];
1248 
1249 	snprintf(display_ready_str, 20, "GVT_DISPLAY_READY=%d", ready);
1250 	env[0] = display_ready_str;
1251 
1252 	snprintf(vmid_str, 20, "VMID=%d", vgpu->id);
1253 	env[1] = vmid_str;
1254 
1255 	return kobject_uevent_env(kobj, KOBJ_ADD, env);
1256 }
1257 
1258 static int pvinfo_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
1259 		void *p_data, unsigned int bytes)
1260 {
1261 	u32 data = *(u32 *)p_data;
1262 	bool invalid_write = false;
1263 
1264 	switch (offset) {
1265 	case _vgtif_reg(display_ready):
1266 		send_display_ready_uevent(vgpu, data ? 1 : 0);
1267 		break;
1268 	case _vgtif_reg(g2v_notify):
1269 		handle_g2v_notification(vgpu, data);
1270 		break;
1271 	/* add xhot and yhot to handled list to avoid error log */
1272 	case _vgtif_reg(cursor_x_hot):
1273 	case _vgtif_reg(cursor_y_hot):
1274 	case _vgtif_reg(pdp[0].lo):
1275 	case _vgtif_reg(pdp[0].hi):
1276 	case _vgtif_reg(pdp[1].lo):
1277 	case _vgtif_reg(pdp[1].hi):
1278 	case _vgtif_reg(pdp[2].lo):
1279 	case _vgtif_reg(pdp[2].hi):
1280 	case _vgtif_reg(pdp[3].lo):
1281 	case _vgtif_reg(pdp[3].hi):
1282 	case _vgtif_reg(execlist_context_descriptor_lo):
1283 	case _vgtif_reg(execlist_context_descriptor_hi):
1284 		break;
1285 	case _vgtif_reg(rsv5[0])..._vgtif_reg(rsv5[3]):
1286 		invalid_write = true;
1287 		enter_failsafe_mode(vgpu, GVT_FAILSAFE_INSUFFICIENT_RESOURCE);
1288 		break;
1289 	default:
1290 		invalid_write = true;
1291 		gvt_vgpu_err("invalid pvinfo write offset %x bytes %x data %x\n",
1292 				offset, bytes, data);
1293 		break;
1294 	}
1295 
1296 	if (!invalid_write)
1297 		write_vreg(vgpu, offset, p_data, bytes);
1298 
1299 	return 0;
1300 }
1301 
1302 static int pf_write(struct intel_vgpu *vgpu,
1303 		unsigned int offset, void *p_data, unsigned int bytes)
1304 {
1305 	struct drm_i915_private *i915 = vgpu->gvt->gt->i915;
1306 	u32 val = *(u32 *)p_data;
1307 
1308 	if ((offset == _PS_1A_CTRL || offset == _PS_2A_CTRL ||
1309 	   offset == _PS_1B_CTRL || offset == _PS_2B_CTRL ||
1310 	   offset == _PS_1C_CTRL) && (val & PS_PLANE_SEL_MASK) != 0) {
1311 		drm_WARN_ONCE(&i915->drm, true,
1312 			      "VM(%d): guest is trying to scaling a plane\n",
1313 			      vgpu->id);
1314 		return 0;
1315 	}
1316 
1317 	return intel_vgpu_default_mmio_write(vgpu, offset, p_data, bytes);
1318 }
1319 
1320 static int power_well_ctl_mmio_write(struct intel_vgpu *vgpu,
1321 		unsigned int offset, void *p_data, unsigned int bytes)
1322 {
1323 	write_vreg(vgpu, offset, p_data, bytes);
1324 
1325 	if (vgpu_vreg(vgpu, offset) &
1326 	    HSW_PWR_WELL_CTL_REQ(HSW_PW_CTL_IDX_GLOBAL))
1327 		vgpu_vreg(vgpu, offset) |=
1328 			HSW_PWR_WELL_CTL_STATE(HSW_PW_CTL_IDX_GLOBAL);
1329 	else
1330 		vgpu_vreg(vgpu, offset) &=
1331 			~HSW_PWR_WELL_CTL_STATE(HSW_PW_CTL_IDX_GLOBAL);
1332 	return 0;
1333 }
1334 
1335 static int gen9_dbuf_ctl_mmio_write(struct intel_vgpu *vgpu,
1336 		unsigned int offset, void *p_data, unsigned int bytes)
1337 {
1338 	write_vreg(vgpu, offset, p_data, bytes);
1339 
1340 	if (vgpu_vreg(vgpu, offset) & DBUF_POWER_REQUEST)
1341 		vgpu_vreg(vgpu, offset) |= DBUF_POWER_STATE;
1342 	else
1343 		vgpu_vreg(vgpu, offset) &= ~DBUF_POWER_STATE;
1344 
1345 	return 0;
1346 }
1347 
1348 static int fpga_dbg_mmio_write(struct intel_vgpu *vgpu,
1349 	unsigned int offset, void *p_data, unsigned int bytes)
1350 {
1351 	write_vreg(vgpu, offset, p_data, bytes);
1352 
1353 	if (vgpu_vreg(vgpu, offset) & FPGA_DBG_RM_NOCLAIM)
1354 		vgpu_vreg(vgpu, offset) &= ~FPGA_DBG_RM_NOCLAIM;
1355 	return 0;
1356 }
1357 
1358 static int dma_ctrl_write(struct intel_vgpu *vgpu, unsigned int offset,
1359 		void *p_data, unsigned int bytes)
1360 {
1361 	struct drm_i915_private *i915 = vgpu->gvt->gt->i915;
1362 	u32 mode;
1363 
1364 	write_vreg(vgpu, offset, p_data, bytes);
1365 	mode = vgpu_vreg(vgpu, offset);
1366 
1367 	if (GFX_MODE_BIT_SET_IN_MASK(mode, START_DMA)) {
1368 		drm_WARN_ONCE(&i915->drm, 1,
1369 				"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 	struct drm_i915_private *i915 = vgpu->gvt->gt->i915;
1381 	u32 trtte = *(u32 *)p_data;
1382 
1383 	if ((trtte & 1) && (trtte & (1 << 1)) == 0) {
1384 		drm_WARN(&i915->drm, 1,
1385 				"VM(%d): Use physical address for TRTT!\n",
1386 				vgpu->id);
1387 		return -EINVAL;
1388 	}
1389 	write_vreg(vgpu, offset, p_data, bytes);
1390 
1391 	return 0;
1392 }
1393 
1394 static int gen9_trtt_chicken_write(struct intel_vgpu *vgpu, unsigned int offset,
1395 		void *p_data, unsigned int bytes)
1396 {
1397 	write_vreg(vgpu, offset, p_data, bytes);
1398 	return 0;
1399 }
1400 
1401 static int dpll_status_read(struct intel_vgpu *vgpu, unsigned int offset,
1402 		void *p_data, unsigned int bytes)
1403 {
1404 	u32 v = 0;
1405 
1406 	if (vgpu_vreg(vgpu, 0x46010) & (1 << 31))
1407 		v |= (1 << 0);
1408 
1409 	if (vgpu_vreg(vgpu, 0x46014) & (1 << 31))
1410 		v |= (1 << 8);
1411 
1412 	if (vgpu_vreg(vgpu, 0x46040) & (1 << 31))
1413 		v |= (1 << 16);
1414 
1415 	if (vgpu_vreg(vgpu, 0x46060) & (1 << 31))
1416 		v |= (1 << 24);
1417 
1418 	vgpu_vreg(vgpu, offset) = v;
1419 
1420 	return intel_vgpu_default_mmio_read(vgpu, offset, p_data, bytes);
1421 }
1422 
1423 static int mailbox_write(struct intel_vgpu *vgpu, unsigned int offset,
1424 		void *p_data, unsigned int bytes)
1425 {
1426 	u32 value = *(u32 *)p_data;
1427 	u32 cmd = value & 0xff;
1428 	u32 *data0 = &vgpu_vreg_t(vgpu, GEN6_PCODE_DATA);
1429 
1430 	switch (cmd) {
1431 	case GEN9_PCODE_READ_MEM_LATENCY:
1432 		if (IS_SKYLAKE(vgpu->gvt->gt->i915) ||
1433 		    IS_KABYLAKE(vgpu->gvt->gt->i915) ||
1434 		    IS_COFFEELAKE(vgpu->gvt->gt->i915)) {
1435 			/**
1436 			 * "Read memory latency" command on gen9.
1437 			 * Below memory latency values are read
1438 			 * from skylake platform.
1439 			 */
1440 			if (!*data0)
1441 				*data0 = 0x1e1a1100;
1442 			else
1443 				*data0 = 0x61514b3d;
1444 		} else if (IS_BROXTON(vgpu->gvt->gt->i915)) {
1445 			/**
1446 			 * "Read memory latency" command on gen9.
1447 			 * Below memory latency values are read
1448 			 * from Broxton MRB.
1449 			 */
1450 			if (!*data0)
1451 				*data0 = 0x16080707;
1452 			else
1453 				*data0 = 0x16161616;
1454 		}
1455 		break;
1456 	case SKL_PCODE_CDCLK_CONTROL:
1457 		if (IS_SKYLAKE(vgpu->gvt->gt->i915) ||
1458 		    IS_KABYLAKE(vgpu->gvt->gt->i915) ||
1459 		    IS_COFFEELAKE(vgpu->gvt->gt->i915))
1460 			*data0 = SKL_CDCLK_READY_FOR_CHANGE;
1461 		break;
1462 	case GEN6_PCODE_READ_RC6VIDS:
1463 		*data0 |= 0x1;
1464 		break;
1465 	}
1466 
1467 	gvt_dbg_core("VM(%d) write %x to mailbox, return data0 %x\n",
1468 		     vgpu->id, value, *data0);
1469 	/**
1470 	 * PCODE_READY clear means ready for pcode read/write,
1471 	 * PCODE_ERROR_MASK clear means no error happened. In GVT-g we
1472 	 * always emulate as pcode read/write success and ready for access
1473 	 * anytime, since we don't touch real physical registers here.
1474 	 */
1475 	value &= ~(GEN6_PCODE_READY | GEN6_PCODE_ERROR_MASK);
1476 	return intel_vgpu_default_mmio_write(vgpu, offset, &value, bytes);
1477 }
1478 
1479 static int hws_pga_write(struct intel_vgpu *vgpu, unsigned int offset,
1480 		void *p_data, unsigned int bytes)
1481 {
1482 	u32 value = *(u32 *)p_data;
1483 	const struct intel_engine_cs *engine =
1484 		intel_gvt_render_mmio_to_engine(vgpu->gvt, offset);
1485 
1486 	if (!intel_gvt_ggtt_validate_range(vgpu, value, I915_GTT_PAGE_SIZE)) {
1487 		gvt_vgpu_err("write invalid HWSP address, reg:0x%x, value:0x%x\n",
1488 			      offset, value);
1489 		return -EINVAL;
1490 	}
1491 
1492 	/*
1493 	 * Need to emulate all the HWSP register write to ensure host can
1494 	 * update the VM CSB status correctly. Here listed registers can
1495 	 * support BDW, SKL or other platforms with same HWSP registers.
1496 	 */
1497 	if (unlikely(!engine)) {
1498 		gvt_vgpu_err("access unknown hardware status page register:0x%x\n",
1499 			     offset);
1500 		return -EINVAL;
1501 	}
1502 	vgpu->hws_pga[engine->id] = value;
1503 	gvt_dbg_mmio("VM(%d) write: 0x%x to HWSP: 0x%x\n",
1504 		     vgpu->id, value, offset);
1505 
1506 	return intel_vgpu_default_mmio_write(vgpu, offset, &value, bytes);
1507 }
1508 
1509 static int skl_power_well_ctl_write(struct intel_vgpu *vgpu,
1510 		unsigned int offset, void *p_data, unsigned int bytes)
1511 {
1512 	u32 v = *(u32 *)p_data;
1513 
1514 	if (IS_BROXTON(vgpu->gvt->gt->i915))
1515 		v &= (1 << 31) | (1 << 29);
1516 	else
1517 		v &= (1 << 31) | (1 << 29) | (1 << 9) |
1518 			(1 << 7) | (1 << 5) | (1 << 3) | (1 << 1);
1519 	v |= (v >> 1);
1520 
1521 	return intel_vgpu_default_mmio_write(vgpu, offset, &v, bytes);
1522 }
1523 
1524 static int skl_lcpll_write(struct intel_vgpu *vgpu, unsigned int offset,
1525 		void *p_data, unsigned int bytes)
1526 {
1527 	u32 v = *(u32 *)p_data;
1528 
1529 	/* other bits are MBZ. */
1530 	v &= (1 << 31) | (1 << 30);
1531 	v & (1 << 31) ? (v |= (1 << 30)) : (v &= ~(1 << 30));
1532 
1533 	vgpu_vreg(vgpu, offset) = v;
1534 
1535 	return 0;
1536 }
1537 
1538 static int bxt_de_pll_enable_write(struct intel_vgpu *vgpu,
1539 		unsigned int offset, void *p_data, unsigned int bytes)
1540 {
1541 	u32 v = *(u32 *)p_data;
1542 
1543 	if (v & BXT_DE_PLL_PLL_ENABLE)
1544 		v |= BXT_DE_PLL_LOCK;
1545 
1546 	vgpu_vreg(vgpu, offset) = v;
1547 
1548 	return 0;
1549 }
1550 
1551 static int bxt_port_pll_enable_write(struct intel_vgpu *vgpu,
1552 		unsigned int offset, void *p_data, unsigned int bytes)
1553 {
1554 	u32 v = *(u32 *)p_data;
1555 
1556 	if (v & PORT_PLL_ENABLE)
1557 		v |= PORT_PLL_LOCK;
1558 
1559 	vgpu_vreg(vgpu, offset) = v;
1560 
1561 	return 0;
1562 }
1563 
1564 static int bxt_phy_ctl_family_write(struct intel_vgpu *vgpu,
1565 		unsigned int offset, void *p_data, unsigned int bytes)
1566 {
1567 	u32 v = *(u32 *)p_data;
1568 	u32 data = v & COMMON_RESET_DIS ? BXT_PHY_LANE_ENABLED : 0;
1569 
1570 	switch (offset) {
1571 	case _PHY_CTL_FAMILY_EDP:
1572 		vgpu_vreg(vgpu, _BXT_PHY_CTL_DDI_A) = data;
1573 		break;
1574 	case _PHY_CTL_FAMILY_DDI:
1575 		vgpu_vreg(vgpu, _BXT_PHY_CTL_DDI_B) = data;
1576 		vgpu_vreg(vgpu, _BXT_PHY_CTL_DDI_C) = data;
1577 		break;
1578 	}
1579 
1580 	vgpu_vreg(vgpu, offset) = v;
1581 
1582 	return 0;
1583 }
1584 
1585 static int bxt_port_tx_dw3_read(struct intel_vgpu *vgpu,
1586 		unsigned int offset, void *p_data, unsigned int bytes)
1587 {
1588 	u32 v = vgpu_vreg(vgpu, offset);
1589 
1590 	v &= ~UNIQUE_TRANGE_EN_METHOD;
1591 
1592 	vgpu_vreg(vgpu, offset) = v;
1593 
1594 	return intel_vgpu_default_mmio_read(vgpu, offset, p_data, bytes);
1595 }
1596 
1597 static int bxt_pcs_dw12_grp_write(struct intel_vgpu *vgpu,
1598 		unsigned int offset, void *p_data, unsigned int bytes)
1599 {
1600 	u32 v = *(u32 *)p_data;
1601 
1602 	if (offset == _PORT_PCS_DW12_GRP_A || offset == _PORT_PCS_DW12_GRP_B) {
1603 		vgpu_vreg(vgpu, offset - 0x600) = v;
1604 		vgpu_vreg(vgpu, offset - 0x800) = v;
1605 	} else {
1606 		vgpu_vreg(vgpu, offset - 0x400) = v;
1607 		vgpu_vreg(vgpu, offset - 0x600) = v;
1608 	}
1609 
1610 	vgpu_vreg(vgpu, offset) = v;
1611 
1612 	return 0;
1613 }
1614 
1615 static int bxt_gt_disp_pwron_write(struct intel_vgpu *vgpu,
1616 		unsigned int offset, void *p_data, unsigned int bytes)
1617 {
1618 	u32 v = *(u32 *)p_data;
1619 
1620 	if (v & BIT(0)) {
1621 		vgpu_vreg_t(vgpu, BXT_PORT_CL1CM_DW0(DPIO_PHY0)) &=
1622 			~PHY_RESERVED;
1623 		vgpu_vreg_t(vgpu, BXT_PORT_CL1CM_DW0(DPIO_PHY0)) |=
1624 			PHY_POWER_GOOD;
1625 	}
1626 
1627 	if (v & BIT(1)) {
1628 		vgpu_vreg_t(vgpu, BXT_PORT_CL1CM_DW0(DPIO_PHY1)) &=
1629 			~PHY_RESERVED;
1630 		vgpu_vreg_t(vgpu, BXT_PORT_CL1CM_DW0(DPIO_PHY1)) |=
1631 			PHY_POWER_GOOD;
1632 	}
1633 
1634 
1635 	vgpu_vreg(vgpu, offset) = v;
1636 
1637 	return 0;
1638 }
1639 
1640 static int edp_psr_imr_iir_write(struct intel_vgpu *vgpu,
1641 		unsigned int offset, void *p_data, unsigned int bytes)
1642 {
1643 	vgpu_vreg(vgpu, offset) = 0;
1644 	return 0;
1645 }
1646 
1647 static int guc_status_read(struct intel_vgpu *vgpu,
1648 			   unsigned int offset, void *p_data,
1649 			   unsigned int bytes)
1650 {
1651 	/* keep MIA_IN_RESET before clearing */
1652 	read_vreg(vgpu, offset, p_data, bytes);
1653 	vgpu_vreg(vgpu, offset) &= ~GS_MIA_IN_RESET;
1654 	return 0;
1655 }
1656 
1657 static int mmio_read_from_hw(struct intel_vgpu *vgpu,
1658 		unsigned int offset, void *p_data, unsigned int bytes)
1659 {
1660 	struct intel_gvt *gvt = vgpu->gvt;
1661 	const struct intel_engine_cs *engine =
1662 		intel_gvt_render_mmio_to_engine(gvt, offset);
1663 
1664 	/**
1665 	 * Read HW reg in following case
1666 	 * a. the offset isn't a ring mmio
1667 	 * b. the offset's ring is running on hw.
1668 	 * c. the offset is ring time stamp mmio
1669 	 */
1670 
1671 	if (!engine ||
1672 	    vgpu == gvt->scheduler.engine_owner[engine->id] ||
1673 	    offset == i915_mmio_reg_offset(RING_TIMESTAMP(engine->mmio_base)) ||
1674 	    offset == i915_mmio_reg_offset(RING_TIMESTAMP_UDW(engine->mmio_base))) {
1675 		mmio_hw_access_pre(gvt->gt);
1676 		vgpu_vreg(vgpu, offset) =
1677 			intel_uncore_read(gvt->gt->uncore, _MMIO(offset));
1678 		mmio_hw_access_post(gvt->gt);
1679 	}
1680 
1681 	return intel_vgpu_default_mmio_read(vgpu, offset, p_data, bytes);
1682 }
1683 
1684 static int elsp_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
1685 		void *p_data, unsigned int bytes)
1686 {
1687 	struct drm_i915_private *i915 = vgpu->gvt->gt->i915;
1688 	const struct intel_engine_cs *engine = intel_gvt_render_mmio_to_engine(vgpu->gvt, offset);
1689 	struct intel_vgpu_execlist *execlist;
1690 	u32 data = *(u32 *)p_data;
1691 	int ret = 0;
1692 
1693 	if (drm_WARN_ON(&i915->drm, !engine))
1694 		return -EINVAL;
1695 
1696 	execlist = &vgpu->submission.execlist[engine->id];
1697 
1698 	execlist->elsp_dwords.data[3 - execlist->elsp_dwords.index] = data;
1699 	if (execlist->elsp_dwords.index == 3) {
1700 		ret = intel_vgpu_submit_execlist(vgpu, engine);
1701 		if(ret)
1702 			gvt_vgpu_err("fail submit workload on ring %s\n",
1703 				     engine->name);
1704 	}
1705 
1706 	++execlist->elsp_dwords.index;
1707 	execlist->elsp_dwords.index &= 0x3;
1708 	return ret;
1709 }
1710 
1711 static int ring_mode_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
1712 		void *p_data, unsigned int bytes)
1713 {
1714 	u32 data = *(u32 *)p_data;
1715 	const struct intel_engine_cs *engine =
1716 		intel_gvt_render_mmio_to_engine(vgpu->gvt, offset);
1717 	bool enable_execlist;
1718 	int ret;
1719 
1720 	(*(u32 *)p_data) &= ~_MASKED_BIT_ENABLE(1);
1721 	if (IS_COFFEELAKE(vgpu->gvt->gt->i915))
1722 		(*(u32 *)p_data) &= ~_MASKED_BIT_ENABLE(2);
1723 	write_vreg(vgpu, offset, p_data, bytes);
1724 
1725 	if (data & _MASKED_BIT_ENABLE(1)) {
1726 		enter_failsafe_mode(vgpu, GVT_FAILSAFE_UNSUPPORTED_GUEST);
1727 		return 0;
1728 	}
1729 
1730 	if (IS_COFFEELAKE(vgpu->gvt->gt->i915) &&
1731 	    data & _MASKED_BIT_ENABLE(2)) {
1732 		enter_failsafe_mode(vgpu, GVT_FAILSAFE_UNSUPPORTED_GUEST);
1733 		return 0;
1734 	}
1735 
1736 	/* when PPGTT mode enabled, we will check if guest has called
1737 	 * pvinfo, if not, we will treat this guest as non-gvtg-aware
1738 	 * guest, and stop emulating its cfg space, mmio, gtt, etc.
1739 	 */
1740 	if (((data & _MASKED_BIT_ENABLE(GFX_PPGTT_ENABLE)) ||
1741 			(data & _MASKED_BIT_ENABLE(GFX_RUN_LIST_ENABLE)))
1742 			&& !vgpu->pv_notified) {
1743 		enter_failsafe_mode(vgpu, GVT_FAILSAFE_UNSUPPORTED_GUEST);
1744 		return 0;
1745 	}
1746 	if ((data & _MASKED_BIT_ENABLE(GFX_RUN_LIST_ENABLE))
1747 			|| (data & _MASKED_BIT_DISABLE(GFX_RUN_LIST_ENABLE))) {
1748 		enable_execlist = !!(data & GFX_RUN_LIST_ENABLE);
1749 
1750 		gvt_dbg_core("EXECLIST %s on ring %s\n",
1751 			     (enable_execlist ? "enabling" : "disabling"),
1752 			     engine->name);
1753 
1754 		if (!enable_execlist)
1755 			return 0;
1756 
1757 		ret = intel_vgpu_select_submission_ops(vgpu,
1758 						       engine->mask,
1759 						       INTEL_VGPU_EXECLIST_SUBMISSION);
1760 		if (ret)
1761 			return ret;
1762 
1763 		intel_vgpu_start_schedule(vgpu);
1764 	}
1765 	return 0;
1766 }
1767 
1768 static int gvt_reg_tlb_control_handler(struct intel_vgpu *vgpu,
1769 		unsigned int offset, void *p_data, unsigned int bytes)
1770 {
1771 	unsigned int id = 0;
1772 
1773 	write_vreg(vgpu, offset, p_data, bytes);
1774 	vgpu_vreg(vgpu, offset) = 0;
1775 
1776 	switch (offset) {
1777 	case 0x4260:
1778 		id = RCS0;
1779 		break;
1780 	case 0x4264:
1781 		id = VCS0;
1782 		break;
1783 	case 0x4268:
1784 		id = VCS1;
1785 		break;
1786 	case 0x426c:
1787 		id = BCS0;
1788 		break;
1789 	case 0x4270:
1790 		id = VECS0;
1791 		break;
1792 	default:
1793 		return -EINVAL;
1794 	}
1795 	set_bit(id, (void *)vgpu->submission.tlb_handle_pending);
1796 
1797 	return 0;
1798 }
1799 
1800 static int ring_reset_ctl_write(struct intel_vgpu *vgpu,
1801 	unsigned int offset, void *p_data, unsigned int bytes)
1802 {
1803 	u32 data;
1804 
1805 	write_vreg(vgpu, offset, p_data, bytes);
1806 	data = vgpu_vreg(vgpu, offset);
1807 
1808 	if (data & _MASKED_BIT_ENABLE(RESET_CTL_REQUEST_RESET))
1809 		data |= RESET_CTL_READY_TO_RESET;
1810 	else if (data & _MASKED_BIT_DISABLE(RESET_CTL_REQUEST_RESET))
1811 		data &= ~RESET_CTL_READY_TO_RESET;
1812 
1813 	vgpu_vreg(vgpu, offset) = data;
1814 	return 0;
1815 }
1816 
1817 static int csfe_chicken1_mmio_write(struct intel_vgpu *vgpu,
1818 				    unsigned int offset, void *p_data,
1819 				    unsigned int bytes)
1820 {
1821 	u32 data = *(u32 *)p_data;
1822 
1823 	(*(u32 *)p_data) &= ~_MASKED_BIT_ENABLE(0x18);
1824 	write_vreg(vgpu, offset, p_data, bytes);
1825 
1826 	if (data & _MASKED_BIT_ENABLE(0x10) || data & _MASKED_BIT_ENABLE(0x8))
1827 		enter_failsafe_mode(vgpu, GVT_FAILSAFE_UNSUPPORTED_GUEST);
1828 
1829 	return 0;
1830 }
1831 
1832 #define MMIO_F(reg, s, f, am, rm, d, r, w) do { \
1833 	ret = new_mmio_info(gvt, i915_mmio_reg_offset(reg), \
1834 		f, s, am, rm, d, r, w); \
1835 	if (ret) \
1836 		return ret; \
1837 } while (0)
1838 
1839 #define MMIO_D(reg, d) \
1840 	MMIO_F(reg, 4, 0, 0, 0, d, NULL, NULL)
1841 
1842 #define MMIO_DH(reg, d, r, w) \
1843 	MMIO_F(reg, 4, 0, 0, 0, d, r, w)
1844 
1845 #define MMIO_DFH(reg, d, f, r, w) \
1846 	MMIO_F(reg, 4, f, 0, 0, d, r, w)
1847 
1848 #define MMIO_GM(reg, d, r, w) \
1849 	MMIO_F(reg, 4, F_GMADR, 0xFFFFF000, 0, d, r, w)
1850 
1851 #define MMIO_GM_RDR(reg, d, r, w) \
1852 	MMIO_F(reg, 4, F_GMADR | F_CMD_ACCESS, 0xFFFFF000, 0, d, r, w)
1853 
1854 #define MMIO_RO(reg, d, f, rm, r, w) \
1855 	MMIO_F(reg, 4, F_RO | f, 0, rm, d, r, w)
1856 
1857 #define MMIO_RING_F(prefix, s, f, am, rm, d, r, w) do { \
1858 	MMIO_F(prefix(RENDER_RING_BASE), s, f, am, rm, d, r, w); \
1859 	MMIO_F(prefix(BLT_RING_BASE), s, f, am, rm, d, r, w); \
1860 	MMIO_F(prefix(GEN6_BSD_RING_BASE), s, f, am, rm, d, r, w); \
1861 	MMIO_F(prefix(VEBOX_RING_BASE), s, f, am, rm, d, r, w); \
1862 	if (HAS_ENGINE(dev_priv, VCS1)) \
1863 		MMIO_F(prefix(GEN8_BSD2_RING_BASE), s, f, am, rm, d, r, w); \
1864 } while (0)
1865 
1866 #define MMIO_RING_D(prefix, d) \
1867 	MMIO_RING_F(prefix, 4, 0, 0, 0, d, NULL, NULL)
1868 
1869 #define MMIO_RING_DFH(prefix, d, f, r, w) \
1870 	MMIO_RING_F(prefix, 4, f, 0, 0, d, r, w)
1871 
1872 #define MMIO_RING_GM(prefix, d, r, w) \
1873 	MMIO_RING_F(prefix, 4, F_GMADR, 0xFFFF0000, 0, d, r, w)
1874 
1875 #define MMIO_RING_GM_RDR(prefix, d, r, w) \
1876 	MMIO_RING_F(prefix, 4, F_GMADR | F_CMD_ACCESS, 0xFFFF0000, 0, d, r, w)
1877 
1878 #define MMIO_RING_RO(prefix, d, f, rm, r, w) \
1879 	MMIO_RING_F(prefix, 4, F_RO | f, 0, rm, d, r, w)
1880 
1881 static int init_generic_mmio_info(struct intel_gvt *gvt)
1882 {
1883 	struct drm_i915_private *dev_priv = gvt->gt->i915;
1884 	int ret;
1885 
1886 	MMIO_RING_DFH(RING_IMR, D_ALL, F_CMD_ACCESS, NULL,
1887 		intel_vgpu_reg_imr_handler);
1888 
1889 	MMIO_DFH(SDEIMR, D_ALL, 0, NULL, intel_vgpu_reg_imr_handler);
1890 	MMIO_DFH(SDEIER, D_ALL, 0, NULL, intel_vgpu_reg_ier_handler);
1891 	MMIO_DFH(SDEIIR, D_ALL, 0, NULL, intel_vgpu_reg_iir_handler);
1892 	MMIO_D(SDEISR, D_ALL);
1893 
1894 	MMIO_RING_DFH(RING_HWSTAM, D_ALL, F_CMD_ACCESS, NULL, NULL);
1895 
1896 	MMIO_DH(GEN8_GAMW_ECO_DEV_RW_IA, D_BDW_PLUS, NULL,
1897 		gamw_echo_dev_rw_ia_write);
1898 
1899 	MMIO_GM_RDR(BSD_HWS_PGA_GEN7, D_ALL, NULL, NULL);
1900 	MMIO_GM_RDR(BLT_HWS_PGA_GEN7, D_ALL, NULL, NULL);
1901 	MMIO_GM_RDR(VEBOX_HWS_PGA_GEN7, D_ALL, NULL, NULL);
1902 
1903 #define RING_REG(base) _MMIO((base) + 0x28)
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) + 0x134)
1908 	MMIO_RING_DFH(RING_REG, D_ALL, F_CMD_ACCESS, NULL, NULL);
1909 #undef RING_REG
1910 
1911 #define RING_REG(base) _MMIO((base) + 0x6c)
1912 	MMIO_RING_DFH(RING_REG, D_ALL, 0, mmio_read_from_hw, NULL);
1913 #undef RING_REG
1914 	MMIO_DH(GEN7_SC_INSTDONE, D_BDW_PLUS, mmio_read_from_hw, NULL);
1915 
1916 	MMIO_GM_RDR(_MMIO(0x2148), D_ALL, NULL, NULL);
1917 	MMIO_GM_RDR(CCID(RENDER_RING_BASE), D_ALL, NULL, NULL);
1918 	MMIO_GM_RDR(_MMIO(0x12198), D_ALL, NULL, NULL);
1919 	MMIO_D(GEN7_CXT_SIZE, D_ALL);
1920 
1921 	MMIO_RING_DFH(RING_TAIL, D_ALL, F_CMD_ACCESS, NULL, NULL);
1922 	MMIO_RING_DFH(RING_HEAD, D_ALL, F_CMD_ACCESS, NULL, NULL);
1923 	MMIO_RING_DFH(RING_CTL, D_ALL, F_CMD_ACCESS, NULL, NULL);
1924 	MMIO_RING_DFH(RING_ACTHD, D_ALL, F_CMD_ACCESS, mmio_read_from_hw, NULL);
1925 	MMIO_RING_GM_RDR(RING_START, D_ALL, NULL, NULL);
1926 
1927 	/* RING MODE */
1928 #define RING_REG(base) _MMIO((base) + 0x29c)
1929 	MMIO_RING_DFH(RING_REG, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL,
1930 		ring_mode_mmio_write);
1931 #undef RING_REG
1932 
1933 	MMIO_RING_DFH(RING_MI_MODE, D_ALL, F_MODE_MASK | F_CMD_ACCESS,
1934 		NULL, NULL);
1935 	MMIO_RING_DFH(RING_INSTPM, D_ALL, F_MODE_MASK | F_CMD_ACCESS,
1936 			NULL, NULL);
1937 	MMIO_RING_DFH(RING_TIMESTAMP, D_ALL, F_CMD_ACCESS,
1938 			mmio_read_from_hw, NULL);
1939 	MMIO_RING_DFH(RING_TIMESTAMP_UDW, D_ALL, F_CMD_ACCESS,
1940 			mmio_read_from_hw, NULL);
1941 
1942 	MMIO_DFH(GEN7_GT_MODE, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1943 	MMIO_DFH(CACHE_MODE_0_GEN7, D_ALL, F_MODE_MASK | F_CMD_ACCESS,
1944 		NULL, NULL);
1945 	MMIO_DFH(CACHE_MODE_1, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1946 	MMIO_DFH(CACHE_MODE_0, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1947 	MMIO_DFH(_MMIO(0x2124), D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1948 
1949 	MMIO_DFH(_MMIO(0x20dc), D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1950 	MMIO_DFH(_3D_CHICKEN3, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1951 	MMIO_DFH(_MMIO(0x2088), D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1952 	MMIO_DFH(FF_SLICE_CS_CHICKEN2, D_ALL,
1953 		 F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1954 	MMIO_DFH(_MMIO(0x2470), D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1955 	MMIO_DFH(GAM_ECOCHK, D_ALL, F_CMD_ACCESS, NULL, NULL);
1956 	MMIO_DFH(GEN7_COMMON_SLICE_CHICKEN1, D_ALL, F_MODE_MASK | F_CMD_ACCESS,
1957 		NULL, NULL);
1958 	MMIO_DFH(COMMON_SLICE_CHICKEN2, D_ALL, F_MODE_MASK | F_CMD_ACCESS,
1959 		 NULL, NULL);
1960 	MMIO_DFH(_MMIO(0x9030), D_ALL, F_CMD_ACCESS, NULL, NULL);
1961 	MMIO_DFH(_MMIO(0x20a0), D_ALL, F_CMD_ACCESS, NULL, NULL);
1962 	MMIO_DFH(_MMIO(0x2420), D_ALL, F_CMD_ACCESS, NULL, NULL);
1963 	MMIO_DFH(_MMIO(0x2430), D_ALL, F_CMD_ACCESS, NULL, NULL);
1964 	MMIO_DFH(_MMIO(0x2434), D_ALL, F_CMD_ACCESS, NULL, NULL);
1965 	MMIO_DFH(_MMIO(0x2438), D_ALL, F_CMD_ACCESS, NULL, NULL);
1966 	MMIO_DFH(_MMIO(0x243c), D_ALL, F_CMD_ACCESS, NULL, NULL);
1967 	MMIO_DFH(_MMIO(0x7018), D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1968 	MMIO_DFH(HALF_SLICE_CHICKEN3, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1969 	MMIO_DFH(GEN7_HALF_SLICE_CHICKEN1, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
1970 
1971 	/* display */
1972 	MMIO_F(_MMIO(0x60220), 0x20, 0, 0, 0, D_ALL, NULL, NULL);
1973 	MMIO_D(_MMIO(0x602a0), D_ALL);
1974 
1975 	MMIO_D(_MMIO(0x65050), D_ALL);
1976 	MMIO_D(_MMIO(0x650b4), D_ALL);
1977 
1978 	MMIO_D(_MMIO(0xc4040), D_ALL);
1979 	MMIO_D(DERRMR, D_ALL);
1980 
1981 	MMIO_D(PIPEDSL(PIPE_A), D_ALL);
1982 	MMIO_D(PIPEDSL(PIPE_B), D_ALL);
1983 	MMIO_D(PIPEDSL(PIPE_C), D_ALL);
1984 	MMIO_D(PIPEDSL(_PIPE_EDP), D_ALL);
1985 
1986 	MMIO_DH(PIPECONF(PIPE_A), D_ALL, NULL, pipeconf_mmio_write);
1987 	MMIO_DH(PIPECONF(PIPE_B), D_ALL, NULL, pipeconf_mmio_write);
1988 	MMIO_DH(PIPECONF(PIPE_C), D_ALL, NULL, pipeconf_mmio_write);
1989 	MMIO_DH(PIPECONF(_PIPE_EDP), D_ALL, NULL, pipeconf_mmio_write);
1990 
1991 	MMIO_D(PIPESTAT(PIPE_A), D_ALL);
1992 	MMIO_D(PIPESTAT(PIPE_B), D_ALL);
1993 	MMIO_D(PIPESTAT(PIPE_C), D_ALL);
1994 	MMIO_D(PIPESTAT(_PIPE_EDP), D_ALL);
1995 
1996 	MMIO_D(PIPE_FLIPCOUNT_G4X(PIPE_A), D_ALL);
1997 	MMIO_D(PIPE_FLIPCOUNT_G4X(PIPE_B), D_ALL);
1998 	MMIO_D(PIPE_FLIPCOUNT_G4X(PIPE_C), D_ALL);
1999 	MMIO_D(PIPE_FLIPCOUNT_G4X(_PIPE_EDP), D_ALL);
2000 
2001 	MMIO_D(PIPE_FRMCOUNT_G4X(PIPE_A), D_ALL);
2002 	MMIO_D(PIPE_FRMCOUNT_G4X(PIPE_B), D_ALL);
2003 	MMIO_D(PIPE_FRMCOUNT_G4X(PIPE_C), D_ALL);
2004 	MMIO_D(PIPE_FRMCOUNT_G4X(_PIPE_EDP), D_ALL);
2005 
2006 	MMIO_D(CURCNTR(PIPE_A), D_ALL);
2007 	MMIO_D(CURCNTR(PIPE_B), D_ALL);
2008 	MMIO_D(CURCNTR(PIPE_C), D_ALL);
2009 
2010 	MMIO_D(CURPOS(PIPE_A), D_ALL);
2011 	MMIO_D(CURPOS(PIPE_B), D_ALL);
2012 	MMIO_D(CURPOS(PIPE_C), D_ALL);
2013 
2014 	MMIO_D(CURBASE(PIPE_A), D_ALL);
2015 	MMIO_D(CURBASE(PIPE_B), D_ALL);
2016 	MMIO_D(CURBASE(PIPE_C), D_ALL);
2017 
2018 	MMIO_D(CUR_FBC_CTL(PIPE_A), D_ALL);
2019 	MMIO_D(CUR_FBC_CTL(PIPE_B), D_ALL);
2020 	MMIO_D(CUR_FBC_CTL(PIPE_C), D_ALL);
2021 
2022 	MMIO_D(_MMIO(0x700ac), D_ALL);
2023 	MMIO_D(_MMIO(0x710ac), D_ALL);
2024 	MMIO_D(_MMIO(0x720ac), D_ALL);
2025 
2026 	MMIO_D(_MMIO(0x70090), D_ALL);
2027 	MMIO_D(_MMIO(0x70094), D_ALL);
2028 	MMIO_D(_MMIO(0x70098), D_ALL);
2029 	MMIO_D(_MMIO(0x7009c), D_ALL);
2030 
2031 	MMIO_D(DSPCNTR(PIPE_A), D_ALL);
2032 	MMIO_D(DSPADDR(PIPE_A), D_ALL);
2033 	MMIO_D(DSPSTRIDE(PIPE_A), D_ALL);
2034 	MMIO_D(DSPPOS(PIPE_A), D_ALL);
2035 	MMIO_D(DSPSIZE(PIPE_A), D_ALL);
2036 	MMIO_DH(DSPSURF(PIPE_A), D_ALL, NULL, pri_surf_mmio_write);
2037 	MMIO_D(DSPOFFSET(PIPE_A), D_ALL);
2038 	MMIO_D(DSPSURFLIVE(PIPE_A), D_ALL);
2039 	MMIO_DH(REG_50080(PIPE_A, PLANE_PRIMARY), D_ALL, NULL,
2040 		reg50080_mmio_write);
2041 
2042 	MMIO_D(DSPCNTR(PIPE_B), D_ALL);
2043 	MMIO_D(DSPADDR(PIPE_B), D_ALL);
2044 	MMIO_D(DSPSTRIDE(PIPE_B), D_ALL);
2045 	MMIO_D(DSPPOS(PIPE_B), D_ALL);
2046 	MMIO_D(DSPSIZE(PIPE_B), D_ALL);
2047 	MMIO_DH(DSPSURF(PIPE_B), D_ALL, NULL, pri_surf_mmio_write);
2048 	MMIO_D(DSPOFFSET(PIPE_B), D_ALL);
2049 	MMIO_D(DSPSURFLIVE(PIPE_B), D_ALL);
2050 	MMIO_DH(REG_50080(PIPE_B, PLANE_PRIMARY), D_ALL, NULL,
2051 		reg50080_mmio_write);
2052 
2053 	MMIO_D(DSPCNTR(PIPE_C), D_ALL);
2054 	MMIO_D(DSPADDR(PIPE_C), D_ALL);
2055 	MMIO_D(DSPSTRIDE(PIPE_C), D_ALL);
2056 	MMIO_D(DSPPOS(PIPE_C), D_ALL);
2057 	MMIO_D(DSPSIZE(PIPE_C), D_ALL);
2058 	MMIO_DH(DSPSURF(PIPE_C), D_ALL, NULL, pri_surf_mmio_write);
2059 	MMIO_D(DSPOFFSET(PIPE_C), D_ALL);
2060 	MMIO_D(DSPSURFLIVE(PIPE_C), D_ALL);
2061 	MMIO_DH(REG_50080(PIPE_C, PLANE_PRIMARY), D_ALL, NULL,
2062 		reg50080_mmio_write);
2063 
2064 	MMIO_D(SPRCTL(PIPE_A), D_ALL);
2065 	MMIO_D(SPRLINOFF(PIPE_A), D_ALL);
2066 	MMIO_D(SPRSTRIDE(PIPE_A), D_ALL);
2067 	MMIO_D(SPRPOS(PIPE_A), D_ALL);
2068 	MMIO_D(SPRSIZE(PIPE_A), D_ALL);
2069 	MMIO_D(SPRKEYVAL(PIPE_A), D_ALL);
2070 	MMIO_D(SPRKEYMSK(PIPE_A), D_ALL);
2071 	MMIO_DH(SPRSURF(PIPE_A), D_ALL, NULL, spr_surf_mmio_write);
2072 	MMIO_D(SPRKEYMAX(PIPE_A), D_ALL);
2073 	MMIO_D(SPROFFSET(PIPE_A), D_ALL);
2074 	MMIO_D(SPRSCALE(PIPE_A), D_ALL);
2075 	MMIO_D(SPRSURFLIVE(PIPE_A), D_ALL);
2076 	MMIO_DH(REG_50080(PIPE_A, PLANE_SPRITE0), D_ALL, NULL,
2077 		reg50080_mmio_write);
2078 
2079 	MMIO_D(SPRCTL(PIPE_B), D_ALL);
2080 	MMIO_D(SPRLINOFF(PIPE_B), D_ALL);
2081 	MMIO_D(SPRSTRIDE(PIPE_B), D_ALL);
2082 	MMIO_D(SPRPOS(PIPE_B), D_ALL);
2083 	MMIO_D(SPRSIZE(PIPE_B), D_ALL);
2084 	MMIO_D(SPRKEYVAL(PIPE_B), D_ALL);
2085 	MMIO_D(SPRKEYMSK(PIPE_B), D_ALL);
2086 	MMIO_DH(SPRSURF(PIPE_B), D_ALL, NULL, spr_surf_mmio_write);
2087 	MMIO_D(SPRKEYMAX(PIPE_B), D_ALL);
2088 	MMIO_D(SPROFFSET(PIPE_B), D_ALL);
2089 	MMIO_D(SPRSCALE(PIPE_B), D_ALL);
2090 	MMIO_D(SPRSURFLIVE(PIPE_B), D_ALL);
2091 	MMIO_DH(REG_50080(PIPE_B, PLANE_SPRITE0), D_ALL, NULL,
2092 		reg50080_mmio_write);
2093 
2094 	MMIO_D(SPRCTL(PIPE_C), D_ALL);
2095 	MMIO_D(SPRLINOFF(PIPE_C), D_ALL);
2096 	MMIO_D(SPRSTRIDE(PIPE_C), D_ALL);
2097 	MMIO_D(SPRPOS(PIPE_C), D_ALL);
2098 	MMIO_D(SPRSIZE(PIPE_C), D_ALL);
2099 	MMIO_D(SPRKEYVAL(PIPE_C), D_ALL);
2100 	MMIO_D(SPRKEYMSK(PIPE_C), D_ALL);
2101 	MMIO_DH(SPRSURF(PIPE_C), D_ALL, NULL, spr_surf_mmio_write);
2102 	MMIO_D(SPRKEYMAX(PIPE_C), D_ALL);
2103 	MMIO_D(SPROFFSET(PIPE_C), D_ALL);
2104 	MMIO_D(SPRSCALE(PIPE_C), D_ALL);
2105 	MMIO_D(SPRSURFLIVE(PIPE_C), D_ALL);
2106 	MMIO_DH(REG_50080(PIPE_C, PLANE_SPRITE0), D_ALL, NULL,
2107 		reg50080_mmio_write);
2108 
2109 	MMIO_D(HTOTAL(TRANSCODER_A), D_ALL);
2110 	MMIO_D(HBLANK(TRANSCODER_A), D_ALL);
2111 	MMIO_D(HSYNC(TRANSCODER_A), D_ALL);
2112 	MMIO_D(VTOTAL(TRANSCODER_A), D_ALL);
2113 	MMIO_D(VBLANK(TRANSCODER_A), D_ALL);
2114 	MMIO_D(VSYNC(TRANSCODER_A), D_ALL);
2115 	MMIO_D(BCLRPAT(TRANSCODER_A), D_ALL);
2116 	MMIO_D(VSYNCSHIFT(TRANSCODER_A), D_ALL);
2117 	MMIO_D(PIPESRC(TRANSCODER_A), D_ALL);
2118 
2119 	MMIO_D(HTOTAL(TRANSCODER_B), D_ALL);
2120 	MMIO_D(HBLANK(TRANSCODER_B), D_ALL);
2121 	MMIO_D(HSYNC(TRANSCODER_B), D_ALL);
2122 	MMIO_D(VTOTAL(TRANSCODER_B), D_ALL);
2123 	MMIO_D(VBLANK(TRANSCODER_B), D_ALL);
2124 	MMIO_D(VSYNC(TRANSCODER_B), D_ALL);
2125 	MMIO_D(BCLRPAT(TRANSCODER_B), D_ALL);
2126 	MMIO_D(VSYNCSHIFT(TRANSCODER_B), D_ALL);
2127 	MMIO_D(PIPESRC(TRANSCODER_B), D_ALL);
2128 
2129 	MMIO_D(HTOTAL(TRANSCODER_C), D_ALL);
2130 	MMIO_D(HBLANK(TRANSCODER_C), D_ALL);
2131 	MMIO_D(HSYNC(TRANSCODER_C), D_ALL);
2132 	MMIO_D(VTOTAL(TRANSCODER_C), D_ALL);
2133 	MMIO_D(VBLANK(TRANSCODER_C), D_ALL);
2134 	MMIO_D(VSYNC(TRANSCODER_C), D_ALL);
2135 	MMIO_D(BCLRPAT(TRANSCODER_C), D_ALL);
2136 	MMIO_D(VSYNCSHIFT(TRANSCODER_C), D_ALL);
2137 	MMIO_D(PIPESRC(TRANSCODER_C), D_ALL);
2138 
2139 	MMIO_D(HTOTAL(TRANSCODER_EDP), D_ALL);
2140 	MMIO_D(HBLANK(TRANSCODER_EDP), D_ALL);
2141 	MMIO_D(HSYNC(TRANSCODER_EDP), D_ALL);
2142 	MMIO_D(VTOTAL(TRANSCODER_EDP), D_ALL);
2143 	MMIO_D(VBLANK(TRANSCODER_EDP), D_ALL);
2144 	MMIO_D(VSYNC(TRANSCODER_EDP), D_ALL);
2145 	MMIO_D(BCLRPAT(TRANSCODER_EDP), D_ALL);
2146 	MMIO_D(VSYNCSHIFT(TRANSCODER_EDP), D_ALL);
2147 
2148 	MMIO_D(PIPE_DATA_M1(TRANSCODER_A), D_ALL);
2149 	MMIO_D(PIPE_DATA_N1(TRANSCODER_A), D_ALL);
2150 	MMIO_D(PIPE_DATA_M2(TRANSCODER_A), D_ALL);
2151 	MMIO_D(PIPE_DATA_N2(TRANSCODER_A), D_ALL);
2152 	MMIO_D(PIPE_LINK_M1(TRANSCODER_A), D_ALL);
2153 	MMIO_D(PIPE_LINK_N1(TRANSCODER_A), D_ALL);
2154 	MMIO_D(PIPE_LINK_M2(TRANSCODER_A), D_ALL);
2155 	MMIO_D(PIPE_LINK_N2(TRANSCODER_A), D_ALL);
2156 
2157 	MMIO_D(PIPE_DATA_M1(TRANSCODER_B), D_ALL);
2158 	MMIO_D(PIPE_DATA_N1(TRANSCODER_B), D_ALL);
2159 	MMIO_D(PIPE_DATA_M2(TRANSCODER_B), D_ALL);
2160 	MMIO_D(PIPE_DATA_N2(TRANSCODER_B), D_ALL);
2161 	MMIO_D(PIPE_LINK_M1(TRANSCODER_B), D_ALL);
2162 	MMIO_D(PIPE_LINK_N1(TRANSCODER_B), D_ALL);
2163 	MMIO_D(PIPE_LINK_M2(TRANSCODER_B), D_ALL);
2164 	MMIO_D(PIPE_LINK_N2(TRANSCODER_B), D_ALL);
2165 
2166 	MMIO_D(PIPE_DATA_M1(TRANSCODER_C), D_ALL);
2167 	MMIO_D(PIPE_DATA_N1(TRANSCODER_C), D_ALL);
2168 	MMIO_D(PIPE_DATA_M2(TRANSCODER_C), D_ALL);
2169 	MMIO_D(PIPE_DATA_N2(TRANSCODER_C), D_ALL);
2170 	MMIO_D(PIPE_LINK_M1(TRANSCODER_C), D_ALL);
2171 	MMIO_D(PIPE_LINK_N1(TRANSCODER_C), D_ALL);
2172 	MMIO_D(PIPE_LINK_M2(TRANSCODER_C), D_ALL);
2173 	MMIO_D(PIPE_LINK_N2(TRANSCODER_C), D_ALL);
2174 
2175 	MMIO_D(PIPE_DATA_M1(TRANSCODER_EDP), D_ALL);
2176 	MMIO_D(PIPE_DATA_N1(TRANSCODER_EDP), D_ALL);
2177 	MMIO_D(PIPE_DATA_M2(TRANSCODER_EDP), D_ALL);
2178 	MMIO_D(PIPE_DATA_N2(TRANSCODER_EDP), D_ALL);
2179 	MMIO_D(PIPE_LINK_M1(TRANSCODER_EDP), D_ALL);
2180 	MMIO_D(PIPE_LINK_N1(TRANSCODER_EDP), D_ALL);
2181 	MMIO_D(PIPE_LINK_M2(TRANSCODER_EDP), D_ALL);
2182 	MMIO_D(PIPE_LINK_N2(TRANSCODER_EDP), D_ALL);
2183 
2184 	MMIO_D(PF_CTL(PIPE_A), D_ALL);
2185 	MMIO_D(PF_WIN_SZ(PIPE_A), D_ALL);
2186 	MMIO_D(PF_WIN_POS(PIPE_A), D_ALL);
2187 	MMIO_D(PF_VSCALE(PIPE_A), D_ALL);
2188 	MMIO_D(PF_HSCALE(PIPE_A), D_ALL);
2189 
2190 	MMIO_D(PF_CTL(PIPE_B), D_ALL);
2191 	MMIO_D(PF_WIN_SZ(PIPE_B), D_ALL);
2192 	MMIO_D(PF_WIN_POS(PIPE_B), D_ALL);
2193 	MMIO_D(PF_VSCALE(PIPE_B), D_ALL);
2194 	MMIO_D(PF_HSCALE(PIPE_B), D_ALL);
2195 
2196 	MMIO_D(PF_CTL(PIPE_C), D_ALL);
2197 	MMIO_D(PF_WIN_SZ(PIPE_C), D_ALL);
2198 	MMIO_D(PF_WIN_POS(PIPE_C), D_ALL);
2199 	MMIO_D(PF_VSCALE(PIPE_C), D_ALL);
2200 	MMIO_D(PF_HSCALE(PIPE_C), D_ALL);
2201 
2202 	MMIO_D(WM0_PIPEA_ILK, D_ALL);
2203 	MMIO_D(WM0_PIPEB_ILK, D_ALL);
2204 	MMIO_D(WM0_PIPEC_IVB, D_ALL);
2205 	MMIO_D(WM1_LP_ILK, D_ALL);
2206 	MMIO_D(WM2_LP_ILK, D_ALL);
2207 	MMIO_D(WM3_LP_ILK, D_ALL);
2208 	MMIO_D(WM1S_LP_ILK, D_ALL);
2209 	MMIO_D(WM2S_LP_IVB, D_ALL);
2210 	MMIO_D(WM3S_LP_IVB, D_ALL);
2211 
2212 	MMIO_D(BLC_PWM_CPU_CTL2, D_ALL);
2213 	MMIO_D(BLC_PWM_CPU_CTL, D_ALL);
2214 	MMIO_D(BLC_PWM_PCH_CTL1, D_ALL);
2215 	MMIO_D(BLC_PWM_PCH_CTL2, D_ALL);
2216 
2217 	MMIO_D(_MMIO(0x48268), D_ALL);
2218 
2219 	MMIO_F(PCH_GMBUS0, 4 * 4, 0, 0, 0, D_ALL, gmbus_mmio_read,
2220 		gmbus_mmio_write);
2221 	MMIO_F(PCH_GPIO_BASE, 6 * 4, F_UNALIGN, 0, 0, D_ALL, NULL, NULL);
2222 	MMIO_F(_MMIO(0xe4f00), 0x28, 0, 0, 0, D_ALL, NULL, NULL);
2223 
2224 	MMIO_F(_MMIO(_PCH_DPB_AUX_CH_CTL), 6 * 4, 0, 0, 0, D_PRE_SKL, NULL,
2225 		dp_aux_ch_ctl_mmio_write);
2226 	MMIO_F(_MMIO(_PCH_DPC_AUX_CH_CTL), 6 * 4, 0, 0, 0, D_PRE_SKL, NULL,
2227 		dp_aux_ch_ctl_mmio_write);
2228 	MMIO_F(_MMIO(_PCH_DPD_AUX_CH_CTL), 6 * 4, 0, 0, 0, D_PRE_SKL, NULL,
2229 		dp_aux_ch_ctl_mmio_write);
2230 
2231 	MMIO_DH(PCH_ADPA, D_PRE_SKL, NULL, pch_adpa_mmio_write);
2232 
2233 	MMIO_DH(_MMIO(_PCH_TRANSACONF), D_ALL, NULL, transconf_mmio_write);
2234 	MMIO_DH(_MMIO(_PCH_TRANSBCONF), D_ALL, NULL, transconf_mmio_write);
2235 
2236 	MMIO_DH(FDI_RX_IIR(PIPE_A), D_ALL, NULL, fdi_rx_iir_mmio_write);
2237 	MMIO_DH(FDI_RX_IIR(PIPE_B), D_ALL, NULL, fdi_rx_iir_mmio_write);
2238 	MMIO_DH(FDI_RX_IIR(PIPE_C), D_ALL, NULL, fdi_rx_iir_mmio_write);
2239 	MMIO_DH(FDI_RX_IMR(PIPE_A), D_ALL, NULL, update_fdi_rx_iir_status);
2240 	MMIO_DH(FDI_RX_IMR(PIPE_B), D_ALL, NULL, update_fdi_rx_iir_status);
2241 	MMIO_DH(FDI_RX_IMR(PIPE_C), D_ALL, NULL, update_fdi_rx_iir_status);
2242 	MMIO_DH(FDI_RX_CTL(PIPE_A), D_ALL, NULL, update_fdi_rx_iir_status);
2243 	MMIO_DH(FDI_RX_CTL(PIPE_B), D_ALL, NULL, update_fdi_rx_iir_status);
2244 	MMIO_DH(FDI_RX_CTL(PIPE_C), D_ALL, NULL, update_fdi_rx_iir_status);
2245 
2246 	MMIO_D(_MMIO(_PCH_TRANS_HTOTAL_A), D_ALL);
2247 	MMIO_D(_MMIO(_PCH_TRANS_HBLANK_A), D_ALL);
2248 	MMIO_D(_MMIO(_PCH_TRANS_HSYNC_A), D_ALL);
2249 	MMIO_D(_MMIO(_PCH_TRANS_VTOTAL_A), D_ALL);
2250 	MMIO_D(_MMIO(_PCH_TRANS_VBLANK_A), D_ALL);
2251 	MMIO_D(_MMIO(_PCH_TRANS_VSYNC_A), D_ALL);
2252 	MMIO_D(_MMIO(_PCH_TRANS_VSYNCSHIFT_A), D_ALL);
2253 
2254 	MMIO_D(_MMIO(_PCH_TRANS_HTOTAL_B), D_ALL);
2255 	MMIO_D(_MMIO(_PCH_TRANS_HBLANK_B), D_ALL);
2256 	MMIO_D(_MMIO(_PCH_TRANS_HSYNC_B), D_ALL);
2257 	MMIO_D(_MMIO(_PCH_TRANS_VTOTAL_B), D_ALL);
2258 	MMIO_D(_MMIO(_PCH_TRANS_VBLANK_B), D_ALL);
2259 	MMIO_D(_MMIO(_PCH_TRANS_VSYNC_B), D_ALL);
2260 	MMIO_D(_MMIO(_PCH_TRANS_VSYNCSHIFT_B), D_ALL);
2261 
2262 	MMIO_D(_MMIO(_PCH_TRANSA_DATA_M1), D_ALL);
2263 	MMIO_D(_MMIO(_PCH_TRANSA_DATA_N1), D_ALL);
2264 	MMIO_D(_MMIO(_PCH_TRANSA_DATA_M2), D_ALL);
2265 	MMIO_D(_MMIO(_PCH_TRANSA_DATA_N2), D_ALL);
2266 	MMIO_D(_MMIO(_PCH_TRANSA_LINK_M1), D_ALL);
2267 	MMIO_D(_MMIO(_PCH_TRANSA_LINK_N1), D_ALL);
2268 	MMIO_D(_MMIO(_PCH_TRANSA_LINK_M2), D_ALL);
2269 	MMIO_D(_MMIO(_PCH_TRANSA_LINK_N2), D_ALL);
2270 
2271 	MMIO_D(TRANS_DP_CTL(PIPE_A), D_ALL);
2272 	MMIO_D(TRANS_DP_CTL(PIPE_B), D_ALL);
2273 	MMIO_D(TRANS_DP_CTL(PIPE_C), D_ALL);
2274 
2275 	MMIO_D(TVIDEO_DIP_CTL(PIPE_A), D_ALL);
2276 	MMIO_D(TVIDEO_DIP_DATA(PIPE_A), D_ALL);
2277 	MMIO_D(TVIDEO_DIP_GCP(PIPE_A), D_ALL);
2278 
2279 	MMIO_D(TVIDEO_DIP_CTL(PIPE_B), D_ALL);
2280 	MMIO_D(TVIDEO_DIP_DATA(PIPE_B), D_ALL);
2281 	MMIO_D(TVIDEO_DIP_GCP(PIPE_B), D_ALL);
2282 
2283 	MMIO_D(TVIDEO_DIP_CTL(PIPE_C), D_ALL);
2284 	MMIO_D(TVIDEO_DIP_DATA(PIPE_C), D_ALL);
2285 	MMIO_D(TVIDEO_DIP_GCP(PIPE_C), D_ALL);
2286 
2287 	MMIO_D(_MMIO(_FDI_RXA_MISC), D_ALL);
2288 	MMIO_D(_MMIO(_FDI_RXB_MISC), D_ALL);
2289 	MMIO_D(_MMIO(_FDI_RXA_TUSIZE1), D_ALL);
2290 	MMIO_D(_MMIO(_FDI_RXA_TUSIZE2), D_ALL);
2291 	MMIO_D(_MMIO(_FDI_RXB_TUSIZE1), D_ALL);
2292 	MMIO_D(_MMIO(_FDI_RXB_TUSIZE2), D_ALL);
2293 
2294 	MMIO_DH(PCH_PP_CONTROL, D_ALL, NULL, pch_pp_control_mmio_write);
2295 	MMIO_D(PCH_PP_DIVISOR, D_ALL);
2296 	MMIO_D(PCH_PP_STATUS,  D_ALL);
2297 	MMIO_D(PCH_LVDS, D_ALL);
2298 	MMIO_D(_MMIO(_PCH_DPLL_A), D_ALL);
2299 	MMIO_D(_MMIO(_PCH_DPLL_B), D_ALL);
2300 	MMIO_D(_MMIO(_PCH_FPA0), D_ALL);
2301 	MMIO_D(_MMIO(_PCH_FPA1), D_ALL);
2302 	MMIO_D(_MMIO(_PCH_FPB0), D_ALL);
2303 	MMIO_D(_MMIO(_PCH_FPB1), D_ALL);
2304 	MMIO_D(PCH_DREF_CONTROL, D_ALL);
2305 	MMIO_D(PCH_RAWCLK_FREQ, D_ALL);
2306 	MMIO_D(PCH_DPLL_SEL, D_ALL);
2307 
2308 	MMIO_D(_MMIO(0x61208), D_ALL);
2309 	MMIO_D(_MMIO(0x6120c), D_ALL);
2310 	MMIO_D(PCH_PP_ON_DELAYS, D_ALL);
2311 	MMIO_D(PCH_PP_OFF_DELAYS, D_ALL);
2312 
2313 	MMIO_DH(_MMIO(0xe651c), D_ALL, dpy_reg_mmio_read, NULL);
2314 	MMIO_DH(_MMIO(0xe661c), D_ALL, dpy_reg_mmio_read, NULL);
2315 	MMIO_DH(_MMIO(0xe671c), D_ALL, dpy_reg_mmio_read, NULL);
2316 	MMIO_DH(_MMIO(0xe681c), D_ALL, dpy_reg_mmio_read, NULL);
2317 	MMIO_DH(_MMIO(0xe6c04), D_ALL, dpy_reg_mmio_read, NULL);
2318 	MMIO_DH(_MMIO(0xe6e1c), D_ALL, dpy_reg_mmio_read, NULL);
2319 
2320 	MMIO_RO(PCH_PORT_HOTPLUG, D_ALL, 0,
2321 		PORTA_HOTPLUG_STATUS_MASK
2322 		| PORTB_HOTPLUG_STATUS_MASK
2323 		| PORTC_HOTPLUG_STATUS_MASK
2324 		| PORTD_HOTPLUG_STATUS_MASK,
2325 		NULL, NULL);
2326 
2327 	MMIO_DH(LCPLL_CTL, D_ALL, NULL, lcpll_ctl_mmio_write);
2328 	MMIO_D(FUSE_STRAP, D_ALL);
2329 	MMIO_D(DIGITAL_PORT_HOTPLUG_CNTRL, D_ALL);
2330 
2331 	MMIO_D(DISP_ARB_CTL, D_ALL);
2332 	MMIO_D(DISP_ARB_CTL2, D_ALL);
2333 
2334 	MMIO_D(ILK_DISPLAY_CHICKEN1, D_ALL);
2335 	MMIO_D(ILK_DISPLAY_CHICKEN2, D_ALL);
2336 	MMIO_D(ILK_DSPCLK_GATE_D, D_ALL);
2337 
2338 	MMIO_D(SOUTH_CHICKEN1, D_ALL);
2339 	MMIO_DH(SOUTH_CHICKEN2, D_ALL, NULL, south_chicken2_mmio_write);
2340 	MMIO_D(_MMIO(_TRANSA_CHICKEN1), D_ALL);
2341 	MMIO_D(_MMIO(_TRANSB_CHICKEN1), D_ALL);
2342 	MMIO_D(SOUTH_DSPCLK_GATE_D, D_ALL);
2343 	MMIO_D(_MMIO(_TRANSA_CHICKEN2), D_ALL);
2344 	MMIO_D(_MMIO(_TRANSB_CHICKEN2), D_ALL);
2345 
2346 	MMIO_D(ILK_DPFC_CB_BASE, D_ALL);
2347 	MMIO_D(ILK_DPFC_CONTROL, D_ALL);
2348 	MMIO_D(ILK_DPFC_RECOMP_CTL, D_ALL);
2349 	MMIO_D(ILK_DPFC_STATUS, D_ALL);
2350 	MMIO_D(ILK_DPFC_FENCE_YOFF, D_ALL);
2351 	MMIO_D(ILK_DPFC_CHICKEN, D_ALL);
2352 	MMIO_D(ILK_FBC_RT_BASE, D_ALL);
2353 
2354 	MMIO_D(IPS_CTL, D_ALL);
2355 
2356 	MMIO_D(PIPE_CSC_COEFF_RY_GY(PIPE_A), D_ALL);
2357 	MMIO_D(PIPE_CSC_COEFF_BY(PIPE_A), D_ALL);
2358 	MMIO_D(PIPE_CSC_COEFF_RU_GU(PIPE_A), D_ALL);
2359 	MMIO_D(PIPE_CSC_COEFF_BU(PIPE_A), D_ALL);
2360 	MMIO_D(PIPE_CSC_COEFF_RV_GV(PIPE_A), D_ALL);
2361 	MMIO_D(PIPE_CSC_COEFF_BV(PIPE_A), D_ALL);
2362 	MMIO_D(PIPE_CSC_MODE(PIPE_A), D_ALL);
2363 	MMIO_D(PIPE_CSC_PREOFF_HI(PIPE_A), D_ALL);
2364 	MMIO_D(PIPE_CSC_PREOFF_ME(PIPE_A), D_ALL);
2365 	MMIO_D(PIPE_CSC_PREOFF_LO(PIPE_A), D_ALL);
2366 	MMIO_D(PIPE_CSC_POSTOFF_HI(PIPE_A), D_ALL);
2367 	MMIO_D(PIPE_CSC_POSTOFF_ME(PIPE_A), D_ALL);
2368 	MMIO_D(PIPE_CSC_POSTOFF_LO(PIPE_A), D_ALL);
2369 
2370 	MMIO_D(PIPE_CSC_COEFF_RY_GY(PIPE_B), D_ALL);
2371 	MMIO_D(PIPE_CSC_COEFF_BY(PIPE_B), D_ALL);
2372 	MMIO_D(PIPE_CSC_COEFF_RU_GU(PIPE_B), D_ALL);
2373 	MMIO_D(PIPE_CSC_COEFF_BU(PIPE_B), D_ALL);
2374 	MMIO_D(PIPE_CSC_COEFF_RV_GV(PIPE_B), D_ALL);
2375 	MMIO_D(PIPE_CSC_COEFF_BV(PIPE_B), D_ALL);
2376 	MMIO_D(PIPE_CSC_MODE(PIPE_B), D_ALL);
2377 	MMIO_D(PIPE_CSC_PREOFF_HI(PIPE_B), D_ALL);
2378 	MMIO_D(PIPE_CSC_PREOFF_ME(PIPE_B), D_ALL);
2379 	MMIO_D(PIPE_CSC_PREOFF_LO(PIPE_B), D_ALL);
2380 	MMIO_D(PIPE_CSC_POSTOFF_HI(PIPE_B), D_ALL);
2381 	MMIO_D(PIPE_CSC_POSTOFF_ME(PIPE_B), D_ALL);
2382 	MMIO_D(PIPE_CSC_POSTOFF_LO(PIPE_B), D_ALL);
2383 
2384 	MMIO_D(PIPE_CSC_COEFF_RY_GY(PIPE_C), D_ALL);
2385 	MMIO_D(PIPE_CSC_COEFF_BY(PIPE_C), D_ALL);
2386 	MMIO_D(PIPE_CSC_COEFF_RU_GU(PIPE_C), D_ALL);
2387 	MMIO_D(PIPE_CSC_COEFF_BU(PIPE_C), D_ALL);
2388 	MMIO_D(PIPE_CSC_COEFF_RV_GV(PIPE_C), D_ALL);
2389 	MMIO_D(PIPE_CSC_COEFF_BV(PIPE_C), D_ALL);
2390 	MMIO_D(PIPE_CSC_MODE(PIPE_C), D_ALL);
2391 	MMIO_D(PIPE_CSC_PREOFF_HI(PIPE_C), D_ALL);
2392 	MMIO_D(PIPE_CSC_PREOFF_ME(PIPE_C), D_ALL);
2393 	MMIO_D(PIPE_CSC_PREOFF_LO(PIPE_C), D_ALL);
2394 	MMIO_D(PIPE_CSC_POSTOFF_HI(PIPE_C), D_ALL);
2395 	MMIO_D(PIPE_CSC_POSTOFF_ME(PIPE_C), D_ALL);
2396 	MMIO_D(PIPE_CSC_POSTOFF_LO(PIPE_C), D_ALL);
2397 
2398 	MMIO_D(PREC_PAL_INDEX(PIPE_A), D_ALL);
2399 	MMIO_D(PREC_PAL_DATA(PIPE_A), D_ALL);
2400 	MMIO_F(PREC_PAL_GC_MAX(PIPE_A, 0), 4 * 3, 0, 0, 0, D_ALL, NULL, NULL);
2401 
2402 	MMIO_D(PREC_PAL_INDEX(PIPE_B), D_ALL);
2403 	MMIO_D(PREC_PAL_DATA(PIPE_B), D_ALL);
2404 	MMIO_F(PREC_PAL_GC_MAX(PIPE_B, 0), 4 * 3, 0, 0, 0, D_ALL, NULL, NULL);
2405 
2406 	MMIO_D(PREC_PAL_INDEX(PIPE_C), D_ALL);
2407 	MMIO_D(PREC_PAL_DATA(PIPE_C), D_ALL);
2408 	MMIO_F(PREC_PAL_GC_MAX(PIPE_C, 0), 4 * 3, 0, 0, 0, D_ALL, NULL, NULL);
2409 
2410 	MMIO_D(_MMIO(0x60110), D_ALL);
2411 	MMIO_D(_MMIO(0x61110), D_ALL);
2412 	MMIO_F(_MMIO(0x70400), 0x40, 0, 0, 0, D_ALL, NULL, NULL);
2413 	MMIO_F(_MMIO(0x71400), 0x40, 0, 0, 0, D_ALL, NULL, NULL);
2414 	MMIO_F(_MMIO(0x72400), 0x40, 0, 0, 0, D_ALL, NULL, NULL);
2415 	MMIO_F(_MMIO(0x70440), 0xc, 0, 0, 0, D_PRE_SKL, NULL, NULL);
2416 	MMIO_F(_MMIO(0x71440), 0xc, 0, 0, 0, D_PRE_SKL, NULL, NULL);
2417 	MMIO_F(_MMIO(0x72440), 0xc, 0, 0, 0, D_PRE_SKL, NULL, NULL);
2418 	MMIO_F(_MMIO(0x7044c), 0xc, 0, 0, 0, D_PRE_SKL, NULL, NULL);
2419 	MMIO_F(_MMIO(0x7144c), 0xc, 0, 0, 0, D_PRE_SKL, NULL, NULL);
2420 	MMIO_F(_MMIO(0x7244c), 0xc, 0, 0, 0, D_PRE_SKL, NULL, NULL);
2421 
2422 	MMIO_D(WM_LINETIME(PIPE_A), D_ALL);
2423 	MMIO_D(WM_LINETIME(PIPE_B), D_ALL);
2424 	MMIO_D(WM_LINETIME(PIPE_C), D_ALL);
2425 	MMIO_D(SPLL_CTL, D_ALL);
2426 	MMIO_D(_MMIO(_WRPLL_CTL1), D_ALL);
2427 	MMIO_D(_MMIO(_WRPLL_CTL2), D_ALL);
2428 	MMIO_D(PORT_CLK_SEL(PORT_A), D_ALL);
2429 	MMIO_D(PORT_CLK_SEL(PORT_B), D_ALL);
2430 	MMIO_D(PORT_CLK_SEL(PORT_C), D_ALL);
2431 	MMIO_D(PORT_CLK_SEL(PORT_D), D_ALL);
2432 	MMIO_D(PORT_CLK_SEL(PORT_E), D_ALL);
2433 	MMIO_D(TRANS_CLK_SEL(TRANSCODER_A), D_ALL);
2434 	MMIO_D(TRANS_CLK_SEL(TRANSCODER_B), D_ALL);
2435 	MMIO_D(TRANS_CLK_SEL(TRANSCODER_C), D_ALL);
2436 
2437 	MMIO_D(HSW_NDE_RSTWRN_OPT, D_ALL);
2438 	MMIO_D(_MMIO(0x46508), D_ALL);
2439 
2440 	MMIO_D(_MMIO(0x49080), D_ALL);
2441 	MMIO_D(_MMIO(0x49180), D_ALL);
2442 	MMIO_D(_MMIO(0x49280), D_ALL);
2443 
2444 	MMIO_F(_MMIO(0x49090), 0x14, 0, 0, 0, D_ALL, NULL, NULL);
2445 	MMIO_F(_MMIO(0x49190), 0x14, 0, 0, 0, D_ALL, NULL, NULL);
2446 	MMIO_F(_MMIO(0x49290), 0x14, 0, 0, 0, D_ALL, NULL, NULL);
2447 
2448 	MMIO_D(GAMMA_MODE(PIPE_A), D_ALL);
2449 	MMIO_D(GAMMA_MODE(PIPE_B), D_ALL);
2450 	MMIO_D(GAMMA_MODE(PIPE_C), D_ALL);
2451 
2452 	MMIO_D(PIPE_MULT(PIPE_A), D_ALL);
2453 	MMIO_D(PIPE_MULT(PIPE_B), D_ALL);
2454 	MMIO_D(PIPE_MULT(PIPE_C), D_ALL);
2455 
2456 	MMIO_D(HSW_TVIDEO_DIP_CTL(TRANSCODER_A), D_ALL);
2457 	MMIO_D(HSW_TVIDEO_DIP_CTL(TRANSCODER_B), D_ALL);
2458 	MMIO_D(HSW_TVIDEO_DIP_CTL(TRANSCODER_C), D_ALL);
2459 
2460 	MMIO_DH(SFUSE_STRAP, D_ALL, NULL, NULL);
2461 	MMIO_D(SBI_ADDR, D_ALL);
2462 	MMIO_DH(SBI_DATA, D_ALL, sbi_data_mmio_read, NULL);
2463 	MMIO_DH(SBI_CTL_STAT, D_ALL, NULL, sbi_ctl_mmio_write);
2464 	MMIO_D(PIXCLK_GATE, D_ALL);
2465 
2466 	MMIO_F(_MMIO(_DPA_AUX_CH_CTL), 6 * 4, 0, 0, 0, D_ALL, NULL,
2467 		dp_aux_ch_ctl_mmio_write);
2468 
2469 	MMIO_DH(DDI_BUF_CTL(PORT_A), D_ALL, NULL, ddi_buf_ctl_mmio_write);
2470 	MMIO_DH(DDI_BUF_CTL(PORT_B), D_ALL, NULL, ddi_buf_ctl_mmio_write);
2471 	MMIO_DH(DDI_BUF_CTL(PORT_C), D_ALL, NULL, ddi_buf_ctl_mmio_write);
2472 	MMIO_DH(DDI_BUF_CTL(PORT_D), D_ALL, NULL, ddi_buf_ctl_mmio_write);
2473 	MMIO_DH(DDI_BUF_CTL(PORT_E), D_ALL, NULL, ddi_buf_ctl_mmio_write);
2474 
2475 	MMIO_DH(DP_TP_CTL(PORT_A), D_ALL, NULL, dp_tp_ctl_mmio_write);
2476 	MMIO_DH(DP_TP_CTL(PORT_B), D_ALL, NULL, dp_tp_ctl_mmio_write);
2477 	MMIO_DH(DP_TP_CTL(PORT_C), D_ALL, NULL, dp_tp_ctl_mmio_write);
2478 	MMIO_DH(DP_TP_CTL(PORT_D), D_ALL, NULL, dp_tp_ctl_mmio_write);
2479 	MMIO_DH(DP_TP_CTL(PORT_E), D_ALL, NULL, dp_tp_ctl_mmio_write);
2480 
2481 	MMIO_DH(DP_TP_STATUS(PORT_A), D_ALL, NULL, dp_tp_status_mmio_write);
2482 	MMIO_DH(DP_TP_STATUS(PORT_B), D_ALL, NULL, dp_tp_status_mmio_write);
2483 	MMIO_DH(DP_TP_STATUS(PORT_C), D_ALL, NULL, dp_tp_status_mmio_write);
2484 	MMIO_DH(DP_TP_STATUS(PORT_D), D_ALL, NULL, dp_tp_status_mmio_write);
2485 	MMIO_DH(DP_TP_STATUS(PORT_E), D_ALL, NULL, NULL);
2486 
2487 	MMIO_F(_MMIO(_DDI_BUF_TRANS_A), 0x50, 0, 0, 0, D_ALL, NULL, NULL);
2488 	MMIO_F(_MMIO(0x64e60), 0x50, 0, 0, 0, D_ALL, NULL, NULL);
2489 	MMIO_F(_MMIO(0x64eC0), 0x50, 0, 0, 0, D_ALL, NULL, NULL);
2490 	MMIO_F(_MMIO(0x64f20), 0x50, 0, 0, 0, D_ALL, NULL, NULL);
2491 	MMIO_F(_MMIO(0x64f80), 0x50, 0, 0, 0, D_ALL, NULL, NULL);
2492 
2493 	MMIO_D(HSW_AUD_CFG(PIPE_A), D_ALL);
2494 	MMIO_D(HSW_AUD_PIN_ELD_CP_VLD, D_ALL);
2495 	MMIO_D(HSW_AUD_MISC_CTRL(PIPE_A), D_ALL);
2496 
2497 	MMIO_DH(_MMIO(_TRANS_DDI_FUNC_CTL_A), D_ALL, NULL, NULL);
2498 	MMIO_DH(_MMIO(_TRANS_DDI_FUNC_CTL_B), D_ALL, NULL, NULL);
2499 	MMIO_DH(_MMIO(_TRANS_DDI_FUNC_CTL_C), D_ALL, NULL, NULL);
2500 	MMIO_DH(_MMIO(_TRANS_DDI_FUNC_CTL_EDP), D_ALL, NULL, NULL);
2501 
2502 	MMIO_D(_MMIO(_TRANSA_MSA_MISC), D_ALL);
2503 	MMIO_D(_MMIO(_TRANSB_MSA_MISC), D_ALL);
2504 	MMIO_D(_MMIO(_TRANSC_MSA_MISC), D_ALL);
2505 	MMIO_D(_MMIO(_TRANS_EDP_MSA_MISC), D_ALL);
2506 
2507 	MMIO_DH(FORCEWAKE, D_ALL, NULL, NULL);
2508 	MMIO_D(FORCEWAKE_ACK, D_ALL);
2509 	MMIO_D(GEN6_GT_CORE_STATUS, D_ALL);
2510 	MMIO_D(GEN6_GT_THREAD_STATUS_REG, D_ALL);
2511 	MMIO_DFH(GTFIFODBG, D_ALL, F_CMD_ACCESS, NULL, NULL);
2512 	MMIO_DFH(GTFIFOCTL, D_ALL, F_CMD_ACCESS, NULL, NULL);
2513 	MMIO_DH(FORCEWAKE_MT, D_PRE_SKL, NULL, mul_force_wake_write);
2514 	MMIO_DH(FORCEWAKE_ACK_HSW, D_BDW, NULL, NULL);
2515 	MMIO_D(ECOBUS, D_ALL);
2516 	MMIO_DH(GEN6_RC_CONTROL, D_ALL, NULL, NULL);
2517 	MMIO_DH(GEN6_RC_STATE, D_ALL, NULL, NULL);
2518 	MMIO_D(GEN6_RPNSWREQ, D_ALL);
2519 	MMIO_D(GEN6_RC_VIDEO_FREQ, D_ALL);
2520 	MMIO_D(GEN6_RP_DOWN_TIMEOUT, D_ALL);
2521 	MMIO_D(GEN6_RP_INTERRUPT_LIMITS, D_ALL);
2522 	MMIO_D(GEN6_RPSTAT1, D_ALL);
2523 	MMIO_D(GEN6_RP_CONTROL, D_ALL);
2524 	MMIO_D(GEN6_RP_UP_THRESHOLD, D_ALL);
2525 	MMIO_D(GEN6_RP_DOWN_THRESHOLD, D_ALL);
2526 	MMIO_D(GEN6_RP_CUR_UP_EI, D_ALL);
2527 	MMIO_D(GEN6_RP_CUR_UP, D_ALL);
2528 	MMIO_D(GEN6_RP_PREV_UP, D_ALL);
2529 	MMIO_D(GEN6_RP_CUR_DOWN_EI, D_ALL);
2530 	MMIO_D(GEN6_RP_CUR_DOWN, D_ALL);
2531 	MMIO_D(GEN6_RP_PREV_DOWN, D_ALL);
2532 	MMIO_D(GEN6_RP_UP_EI, D_ALL);
2533 	MMIO_D(GEN6_RP_DOWN_EI, D_ALL);
2534 	MMIO_D(GEN6_RP_IDLE_HYSTERSIS, D_ALL);
2535 	MMIO_D(GEN6_RC1_WAKE_RATE_LIMIT, D_ALL);
2536 	MMIO_D(GEN6_RC6_WAKE_RATE_LIMIT, D_ALL);
2537 	MMIO_D(GEN6_RC6pp_WAKE_RATE_LIMIT, D_ALL);
2538 	MMIO_D(GEN6_RC_EVALUATION_INTERVAL, D_ALL);
2539 	MMIO_D(GEN6_RC_IDLE_HYSTERSIS, D_ALL);
2540 	MMIO_D(GEN6_RC_SLEEP, D_ALL);
2541 	MMIO_D(GEN6_RC1e_THRESHOLD, D_ALL);
2542 	MMIO_D(GEN6_RC6_THRESHOLD, D_ALL);
2543 	MMIO_D(GEN6_RC6p_THRESHOLD, D_ALL);
2544 	MMIO_D(GEN6_RC6pp_THRESHOLD, D_ALL);
2545 	MMIO_D(GEN6_PMINTRMSK, D_ALL);
2546 	MMIO_DH(HSW_PWR_WELL_CTL1, D_BDW, NULL, power_well_ctl_mmio_write);
2547 	MMIO_DH(HSW_PWR_WELL_CTL2, D_BDW, NULL, power_well_ctl_mmio_write);
2548 	MMIO_DH(HSW_PWR_WELL_CTL3, D_BDW, NULL, power_well_ctl_mmio_write);
2549 	MMIO_DH(HSW_PWR_WELL_CTL4, D_BDW, NULL, power_well_ctl_mmio_write);
2550 	MMIO_DH(HSW_PWR_WELL_CTL5, D_BDW, NULL, power_well_ctl_mmio_write);
2551 	MMIO_DH(HSW_PWR_WELL_CTL6, D_BDW, NULL, power_well_ctl_mmio_write);
2552 
2553 	MMIO_D(RSTDBYCTL, D_ALL);
2554 
2555 	MMIO_DH(GEN6_GDRST, D_ALL, NULL, gdrst_mmio_write);
2556 	MMIO_F(FENCE_REG_GEN6_LO(0), 0x80, 0, 0, 0, D_ALL, fence_mmio_read, fence_mmio_write);
2557 	MMIO_DH(CPU_VGACNTRL, D_ALL, NULL, vga_control_mmio_write);
2558 
2559 	MMIO_D(TILECTL, D_ALL);
2560 
2561 	MMIO_D(GEN6_UCGCTL1, D_ALL);
2562 	MMIO_D(GEN6_UCGCTL2, D_ALL);
2563 
2564 	MMIO_F(_MMIO(0x4f000), 0x90, 0, 0, 0, D_ALL, NULL, NULL);
2565 
2566 	MMIO_D(GEN6_PCODE_DATA, D_ALL);
2567 	MMIO_D(_MMIO(0x13812c), D_ALL);
2568 	MMIO_DH(GEN7_ERR_INT, D_ALL, NULL, NULL);
2569 	MMIO_D(HSW_EDRAM_CAP, D_ALL);
2570 	MMIO_D(HSW_IDICR, D_ALL);
2571 	MMIO_DH(GFX_FLSH_CNTL_GEN6, D_ALL, NULL, NULL);
2572 
2573 	MMIO_D(_MMIO(0x3c), D_ALL);
2574 	MMIO_D(_MMIO(0x860), D_ALL);
2575 	MMIO_D(ECOSKPD, D_ALL);
2576 	MMIO_D(_MMIO(0x121d0), D_ALL);
2577 	MMIO_D(GEN6_BLITTER_ECOSKPD, D_ALL);
2578 	MMIO_D(_MMIO(0x41d0), D_ALL);
2579 	MMIO_D(GAC_ECO_BITS, D_ALL);
2580 	MMIO_D(_MMIO(0x6200), D_ALL);
2581 	MMIO_D(_MMIO(0x6204), D_ALL);
2582 	MMIO_D(_MMIO(0x6208), D_ALL);
2583 	MMIO_D(_MMIO(0x7118), D_ALL);
2584 	MMIO_D(_MMIO(0x7180), D_ALL);
2585 	MMIO_D(_MMIO(0x7408), D_ALL);
2586 	MMIO_D(_MMIO(0x7c00), D_ALL);
2587 	MMIO_DH(GEN6_MBCTL, D_ALL, NULL, mbctl_write);
2588 	MMIO_D(_MMIO(0x911c), D_ALL);
2589 	MMIO_D(_MMIO(0x9120), D_ALL);
2590 	MMIO_DFH(GEN7_UCGCTL4, D_ALL, F_CMD_ACCESS, NULL, NULL);
2591 
2592 	MMIO_D(GAB_CTL, D_ALL);
2593 	MMIO_D(_MMIO(0x48800), D_ALL);
2594 	MMIO_D(_MMIO(0xce044), D_ALL);
2595 	MMIO_D(_MMIO(0xe6500), D_ALL);
2596 	MMIO_D(_MMIO(0xe6504), D_ALL);
2597 	MMIO_D(_MMIO(0xe6600), D_ALL);
2598 	MMIO_D(_MMIO(0xe6604), D_ALL);
2599 	MMIO_D(_MMIO(0xe6700), D_ALL);
2600 	MMIO_D(_MMIO(0xe6704), D_ALL);
2601 	MMIO_D(_MMIO(0xe6800), D_ALL);
2602 	MMIO_D(_MMIO(0xe6804), D_ALL);
2603 	MMIO_D(PCH_GMBUS4, D_ALL);
2604 	MMIO_D(PCH_GMBUS5, D_ALL);
2605 
2606 	MMIO_D(_MMIO(0x902c), D_ALL);
2607 	MMIO_D(_MMIO(0xec008), D_ALL);
2608 	MMIO_D(_MMIO(0xec00c), D_ALL);
2609 	MMIO_D(_MMIO(0xec008 + 0x18), D_ALL);
2610 	MMIO_D(_MMIO(0xec00c + 0x18), D_ALL);
2611 	MMIO_D(_MMIO(0xec008 + 0x18 * 2), D_ALL);
2612 	MMIO_D(_MMIO(0xec00c + 0x18 * 2), D_ALL);
2613 	MMIO_D(_MMIO(0xec008 + 0x18 * 3), D_ALL);
2614 	MMIO_D(_MMIO(0xec00c + 0x18 * 3), D_ALL);
2615 	MMIO_D(_MMIO(0xec408), D_ALL);
2616 	MMIO_D(_MMIO(0xec40c), D_ALL);
2617 	MMIO_D(_MMIO(0xec408 + 0x18), D_ALL);
2618 	MMIO_D(_MMIO(0xec40c + 0x18), D_ALL);
2619 	MMIO_D(_MMIO(0xec408 + 0x18 * 2), D_ALL);
2620 	MMIO_D(_MMIO(0xec40c + 0x18 * 2), D_ALL);
2621 	MMIO_D(_MMIO(0xec408 + 0x18 * 3), D_ALL);
2622 	MMIO_D(_MMIO(0xec40c + 0x18 * 3), D_ALL);
2623 	MMIO_D(_MMIO(0xfc810), D_ALL);
2624 	MMIO_D(_MMIO(0xfc81c), D_ALL);
2625 	MMIO_D(_MMIO(0xfc828), D_ALL);
2626 	MMIO_D(_MMIO(0xfc834), D_ALL);
2627 	MMIO_D(_MMIO(0xfcc00), D_ALL);
2628 	MMIO_D(_MMIO(0xfcc0c), D_ALL);
2629 	MMIO_D(_MMIO(0xfcc18), D_ALL);
2630 	MMIO_D(_MMIO(0xfcc24), D_ALL);
2631 	MMIO_D(_MMIO(0xfd000), D_ALL);
2632 	MMIO_D(_MMIO(0xfd00c), D_ALL);
2633 	MMIO_D(_MMIO(0xfd018), D_ALL);
2634 	MMIO_D(_MMIO(0xfd024), D_ALL);
2635 	MMIO_D(_MMIO(0xfd034), D_ALL);
2636 
2637 	MMIO_DH(FPGA_DBG, D_ALL, NULL, fpga_dbg_mmio_write);
2638 	MMIO_D(_MMIO(0x2054), D_ALL);
2639 	MMIO_D(_MMIO(0x12054), D_ALL);
2640 	MMIO_D(_MMIO(0x22054), D_ALL);
2641 	MMIO_D(_MMIO(0x1a054), D_ALL);
2642 
2643 	MMIO_D(_MMIO(0x44070), D_ALL);
2644 	MMIO_DFH(_MMIO(0x215c), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2645 	MMIO_DFH(_MMIO(0x2178), D_ALL, F_CMD_ACCESS, NULL, NULL);
2646 	MMIO_DFH(_MMIO(0x217c), D_ALL, F_CMD_ACCESS, NULL, NULL);
2647 	MMIO_DFH(_MMIO(0x12178), D_ALL, F_CMD_ACCESS, NULL, NULL);
2648 	MMIO_DFH(_MMIO(0x1217c), D_ALL, F_CMD_ACCESS, NULL, NULL);
2649 
2650 	MMIO_F(_MMIO(0x2290), 8, F_CMD_ACCESS, 0, 0, D_BDW_PLUS, NULL, NULL);
2651 	MMIO_D(_MMIO(0x2b00), D_BDW_PLUS);
2652 	MMIO_D(_MMIO(0x2360), D_BDW_PLUS);
2653 	MMIO_F(_MMIO(0x5200), 32, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2654 	MMIO_F(_MMIO(0x5240), 32, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2655 	MMIO_F(_MMIO(0x5280), 16, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2656 
2657 	MMIO_DFH(_MMIO(0x1c17c), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2658 	MMIO_DFH(_MMIO(0x1c178), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2659 	MMIO_DFH(BCS_SWCTRL, D_ALL, F_CMD_ACCESS, NULL, NULL);
2660 
2661 	MMIO_F(HS_INVOCATION_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2662 	MMIO_F(DS_INVOCATION_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2663 	MMIO_F(IA_VERTICES_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2664 	MMIO_F(IA_PRIMITIVES_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2665 	MMIO_F(VS_INVOCATION_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2666 	MMIO_F(GS_INVOCATION_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2667 	MMIO_F(GS_PRIMITIVES_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2668 	MMIO_F(CL_INVOCATION_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2669 	MMIO_F(CL_PRIMITIVES_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2670 	MMIO_F(PS_INVOCATION_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2671 	MMIO_F(PS_DEPTH_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
2672 	MMIO_DH(_MMIO(0x4260), D_BDW_PLUS, NULL, gvt_reg_tlb_control_handler);
2673 	MMIO_DH(_MMIO(0x4264), D_BDW_PLUS, NULL, gvt_reg_tlb_control_handler);
2674 	MMIO_DH(_MMIO(0x4268), D_BDW_PLUS, NULL, gvt_reg_tlb_control_handler);
2675 	MMIO_DH(_MMIO(0x426c), D_BDW_PLUS, NULL, gvt_reg_tlb_control_handler);
2676 	MMIO_DH(_MMIO(0x4270), D_BDW_PLUS, NULL, gvt_reg_tlb_control_handler);
2677 	MMIO_DFH(_MMIO(0x4094), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2678 
2679 	MMIO_DFH(ARB_MODE, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
2680 	MMIO_RING_GM_RDR(RING_BBADDR, D_ALL, NULL, NULL);
2681 	MMIO_DFH(_MMIO(0x2220), D_ALL, F_CMD_ACCESS, NULL, NULL);
2682 	MMIO_DFH(_MMIO(0x12220), D_ALL, F_CMD_ACCESS, NULL, NULL);
2683 	MMIO_DFH(_MMIO(0x22220), D_ALL, F_CMD_ACCESS, NULL, NULL);
2684 	MMIO_RING_DFH(RING_SYNC_1, D_ALL, F_CMD_ACCESS, NULL, NULL);
2685 	MMIO_RING_DFH(RING_SYNC_0, D_ALL, F_CMD_ACCESS, NULL, NULL);
2686 	MMIO_DFH(_MMIO(0x22178), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2687 	MMIO_DFH(_MMIO(0x1a178), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2688 	MMIO_DFH(_MMIO(0x1a17c), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2689 	MMIO_DFH(_MMIO(0x2217c), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2690 
2691 	MMIO_DH(EDP_PSR_IMR, D_BDW_PLUS, NULL, edp_psr_imr_iir_write);
2692 	MMIO_DH(EDP_PSR_IIR, D_BDW_PLUS, NULL, edp_psr_imr_iir_write);
2693 	MMIO_DH(GUC_STATUS, D_ALL, guc_status_read, NULL);
2694 
2695 	return 0;
2696 }
2697 
2698 static int init_bdw_mmio_info(struct intel_gvt *gvt)
2699 {
2700 	struct drm_i915_private *dev_priv = gvt->gt->i915;
2701 	int ret;
2702 
2703 	MMIO_DH(GEN8_GT_IMR(0), D_BDW_PLUS, NULL, intel_vgpu_reg_imr_handler);
2704 	MMIO_DH(GEN8_GT_IER(0), D_BDW_PLUS, NULL, intel_vgpu_reg_ier_handler);
2705 	MMIO_DH(GEN8_GT_IIR(0), D_BDW_PLUS, NULL, intel_vgpu_reg_iir_handler);
2706 	MMIO_D(GEN8_GT_ISR(0), D_BDW_PLUS);
2707 
2708 	MMIO_DH(GEN8_GT_IMR(1), D_BDW_PLUS, NULL, intel_vgpu_reg_imr_handler);
2709 	MMIO_DH(GEN8_GT_IER(1), D_BDW_PLUS, NULL, intel_vgpu_reg_ier_handler);
2710 	MMIO_DH(GEN8_GT_IIR(1), D_BDW_PLUS, NULL, intel_vgpu_reg_iir_handler);
2711 	MMIO_D(GEN8_GT_ISR(1), D_BDW_PLUS);
2712 
2713 	MMIO_DH(GEN8_GT_IMR(2), D_BDW_PLUS, NULL, intel_vgpu_reg_imr_handler);
2714 	MMIO_DH(GEN8_GT_IER(2), D_BDW_PLUS, NULL, intel_vgpu_reg_ier_handler);
2715 	MMIO_DH(GEN8_GT_IIR(2), D_BDW_PLUS, NULL, intel_vgpu_reg_iir_handler);
2716 	MMIO_D(GEN8_GT_ISR(2), D_BDW_PLUS);
2717 
2718 	MMIO_DH(GEN8_GT_IMR(3), D_BDW_PLUS, NULL, intel_vgpu_reg_imr_handler);
2719 	MMIO_DH(GEN8_GT_IER(3), D_BDW_PLUS, NULL, intel_vgpu_reg_ier_handler);
2720 	MMIO_DH(GEN8_GT_IIR(3), D_BDW_PLUS, NULL, intel_vgpu_reg_iir_handler);
2721 	MMIO_D(GEN8_GT_ISR(3), D_BDW_PLUS);
2722 
2723 	MMIO_DH(GEN8_DE_PIPE_IMR(PIPE_A), D_BDW_PLUS, NULL,
2724 		intel_vgpu_reg_imr_handler);
2725 	MMIO_DH(GEN8_DE_PIPE_IER(PIPE_A), D_BDW_PLUS, NULL,
2726 		intel_vgpu_reg_ier_handler);
2727 	MMIO_DH(GEN8_DE_PIPE_IIR(PIPE_A), D_BDW_PLUS, NULL,
2728 		intel_vgpu_reg_iir_handler);
2729 	MMIO_D(GEN8_DE_PIPE_ISR(PIPE_A), D_BDW_PLUS);
2730 
2731 	MMIO_DH(GEN8_DE_PIPE_IMR(PIPE_B), D_BDW_PLUS, NULL,
2732 		intel_vgpu_reg_imr_handler);
2733 	MMIO_DH(GEN8_DE_PIPE_IER(PIPE_B), D_BDW_PLUS, NULL,
2734 		intel_vgpu_reg_ier_handler);
2735 	MMIO_DH(GEN8_DE_PIPE_IIR(PIPE_B), D_BDW_PLUS, NULL,
2736 		intel_vgpu_reg_iir_handler);
2737 	MMIO_D(GEN8_DE_PIPE_ISR(PIPE_B), D_BDW_PLUS);
2738 
2739 	MMIO_DH(GEN8_DE_PIPE_IMR(PIPE_C), D_BDW_PLUS, NULL,
2740 		intel_vgpu_reg_imr_handler);
2741 	MMIO_DH(GEN8_DE_PIPE_IER(PIPE_C), D_BDW_PLUS, NULL,
2742 		intel_vgpu_reg_ier_handler);
2743 	MMIO_DH(GEN8_DE_PIPE_IIR(PIPE_C), D_BDW_PLUS, NULL,
2744 		intel_vgpu_reg_iir_handler);
2745 	MMIO_D(GEN8_DE_PIPE_ISR(PIPE_C), D_BDW_PLUS);
2746 
2747 	MMIO_DH(GEN8_DE_PORT_IMR, D_BDW_PLUS, NULL, intel_vgpu_reg_imr_handler);
2748 	MMIO_DH(GEN8_DE_PORT_IER, D_BDW_PLUS, NULL, intel_vgpu_reg_ier_handler);
2749 	MMIO_DH(GEN8_DE_PORT_IIR, D_BDW_PLUS, NULL, intel_vgpu_reg_iir_handler);
2750 	MMIO_D(GEN8_DE_PORT_ISR, D_BDW_PLUS);
2751 
2752 	MMIO_DH(GEN8_DE_MISC_IMR, D_BDW_PLUS, NULL, intel_vgpu_reg_imr_handler);
2753 	MMIO_DH(GEN8_DE_MISC_IER, D_BDW_PLUS, NULL, intel_vgpu_reg_ier_handler);
2754 	MMIO_DH(GEN8_DE_MISC_IIR, D_BDW_PLUS, NULL, intel_vgpu_reg_iir_handler);
2755 	MMIO_D(GEN8_DE_MISC_ISR, D_BDW_PLUS);
2756 
2757 	MMIO_DH(GEN8_PCU_IMR, D_BDW_PLUS, NULL, intel_vgpu_reg_imr_handler);
2758 	MMIO_DH(GEN8_PCU_IER, D_BDW_PLUS, NULL, intel_vgpu_reg_ier_handler);
2759 	MMIO_DH(GEN8_PCU_IIR, D_BDW_PLUS, NULL, intel_vgpu_reg_iir_handler);
2760 	MMIO_D(GEN8_PCU_ISR, D_BDW_PLUS);
2761 
2762 	MMIO_DH(GEN8_MASTER_IRQ, D_BDW_PLUS, NULL,
2763 		intel_vgpu_reg_master_irq_handler);
2764 
2765 	MMIO_RING_DFH(RING_ACTHD_UDW, D_BDW_PLUS, F_CMD_ACCESS,
2766 		mmio_read_from_hw, NULL);
2767 
2768 #define RING_REG(base) _MMIO((base) + 0xd0)
2769 	MMIO_RING_F(RING_REG, 4, F_RO, 0,
2770 		~_MASKED_BIT_ENABLE(RESET_CTL_REQUEST_RESET), D_BDW_PLUS, NULL,
2771 		ring_reset_ctl_write);
2772 #undef RING_REG
2773 
2774 #define RING_REG(base) _MMIO((base) + 0x230)
2775 	MMIO_RING_DFH(RING_REG, D_BDW_PLUS, 0, NULL, elsp_mmio_write);
2776 #undef RING_REG
2777 
2778 #define RING_REG(base) _MMIO((base) + 0x234)
2779 	MMIO_RING_F(RING_REG, 8, F_RO | F_CMD_ACCESS, 0, ~0, D_BDW_PLUS,
2780 		NULL, NULL);
2781 #undef RING_REG
2782 
2783 #define RING_REG(base) _MMIO((base) + 0x244)
2784 	MMIO_RING_DFH(RING_REG, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2785 #undef RING_REG
2786 
2787 #define RING_REG(base) _MMIO((base) + 0x370)
2788 	MMIO_RING_F(RING_REG, 48, F_RO, 0, ~0, D_BDW_PLUS, NULL, NULL);
2789 #undef RING_REG
2790 
2791 #define RING_REG(base) _MMIO((base) + 0x3a0)
2792 	MMIO_RING_DFH(RING_REG, D_BDW_PLUS, F_MODE_MASK, NULL, NULL);
2793 #undef RING_REG
2794 
2795 	MMIO_D(PIPEMISC(PIPE_A), D_BDW_PLUS);
2796 	MMIO_D(PIPEMISC(PIPE_B), D_BDW_PLUS);
2797 	MMIO_D(PIPEMISC(PIPE_C), D_BDW_PLUS);
2798 	MMIO_D(_MMIO(0x1c1d0), D_BDW_PLUS);
2799 	MMIO_D(GEN6_MBCUNIT_SNPCR, D_BDW_PLUS);
2800 	MMIO_D(GEN7_MISCCPCTL, D_BDW_PLUS);
2801 	MMIO_D(_MMIO(0x1c054), D_BDW_PLUS);
2802 
2803 	MMIO_DH(GEN6_PCODE_MAILBOX, D_BDW_PLUS, NULL, mailbox_write);
2804 
2805 	MMIO_D(GEN8_PRIVATE_PAT_LO, D_BDW_PLUS);
2806 	MMIO_D(GEN8_PRIVATE_PAT_HI, D_BDW_PLUS);
2807 
2808 	MMIO_D(GAMTARBMODE, D_BDW_PLUS);
2809 
2810 #define RING_REG(base) _MMIO((base) + 0x270)
2811 	MMIO_RING_F(RING_REG, 32, 0, 0, 0, D_BDW_PLUS, NULL, NULL);
2812 #undef RING_REG
2813 
2814 	MMIO_RING_GM_RDR(RING_HWS_PGA, D_BDW_PLUS, NULL, hws_pga_write);
2815 
2816 	MMIO_DFH(HDC_CHICKEN0, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
2817 
2818 	MMIO_D(CHICKEN_PIPESL_1(PIPE_A), D_BDW_PLUS);
2819 	MMIO_D(CHICKEN_PIPESL_1(PIPE_B), D_BDW_PLUS);
2820 	MMIO_D(CHICKEN_PIPESL_1(PIPE_C), D_BDW_PLUS);
2821 
2822 	MMIO_D(WM_MISC, D_BDW);
2823 	MMIO_D(_MMIO(_SRD_CTL_EDP), D_BDW);
2824 
2825 	MMIO_D(_MMIO(0x6671c), D_BDW_PLUS);
2826 	MMIO_D(_MMIO(0x66c00), D_BDW_PLUS);
2827 	MMIO_D(_MMIO(0x66c04), D_BDW_PLUS);
2828 
2829 	MMIO_D(HSW_GTT_CACHE_EN, D_BDW_PLUS);
2830 
2831 	MMIO_D(GEN8_EU_DISABLE0, D_BDW_PLUS);
2832 	MMIO_D(GEN8_EU_DISABLE1, D_BDW_PLUS);
2833 	MMIO_D(GEN8_EU_DISABLE2, D_BDW_PLUS);
2834 
2835 	MMIO_D(_MMIO(0xfdc), D_BDW_PLUS);
2836 	MMIO_DFH(GEN8_ROW_CHICKEN, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS,
2837 		NULL, NULL);
2838 	MMIO_DFH(GEN7_ROW_CHICKEN2, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS,
2839 		NULL, NULL);
2840 	MMIO_DFH(GEN8_UCGCTL6, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2841 
2842 	MMIO_DFH(_MMIO(0xb1f0), D_BDW, F_CMD_ACCESS, NULL, NULL);
2843 	MMIO_DFH(_MMIO(0xb1c0), D_BDW, F_CMD_ACCESS, NULL, NULL);
2844 	MMIO_DFH(GEN8_L3SQCREG4, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2845 	MMIO_DFH(_MMIO(0xb100), D_BDW, F_CMD_ACCESS, NULL, NULL);
2846 	MMIO_DFH(_MMIO(0xb10c), D_BDW, F_CMD_ACCESS, NULL, NULL);
2847 	MMIO_D(_MMIO(0xb110), D_BDW);
2848 
2849 	MMIO_F(_MMIO(0x24d0), 48, F_CMD_ACCESS, 0, 0, D_BDW_PLUS,
2850 		NULL, force_nonpriv_write);
2851 
2852 	MMIO_D(_MMIO(0x44484), D_BDW_PLUS);
2853 	MMIO_D(_MMIO(0x4448c), D_BDW_PLUS);
2854 
2855 	MMIO_DFH(_MMIO(0x83a4), D_BDW, F_CMD_ACCESS, NULL, NULL);
2856 	MMIO_D(GEN8_L3_LRA_1_GPGPU, D_BDW_PLUS);
2857 
2858 	MMIO_DFH(_MMIO(0x8430), D_BDW, F_CMD_ACCESS, NULL, NULL);
2859 
2860 	MMIO_D(_MMIO(0x110000), D_BDW_PLUS);
2861 
2862 	MMIO_D(_MMIO(0x48400), D_BDW_PLUS);
2863 
2864 	MMIO_D(_MMIO(0x6e570), D_BDW_PLUS);
2865 	MMIO_D(_MMIO(0x65f10), D_BDW_PLUS);
2866 
2867 	MMIO_DFH(_MMIO(0xe194), D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
2868 	MMIO_DFH(_MMIO(0xe188), D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
2869 	MMIO_DFH(HALF_SLICE_CHICKEN2, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
2870 	MMIO_DFH(_MMIO(0x2580), D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
2871 
2872 	MMIO_DFH(_MMIO(0x2248), D_BDW, F_CMD_ACCESS, NULL, NULL);
2873 
2874 	MMIO_DFH(_MMIO(0xe220), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2875 	MMIO_DFH(_MMIO(0xe230), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2876 	MMIO_DFH(_MMIO(0xe240), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2877 	MMIO_DFH(_MMIO(0xe260), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2878 	MMIO_DFH(_MMIO(0xe270), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2879 	MMIO_DFH(_MMIO(0xe280), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2880 	MMIO_DFH(_MMIO(0xe2a0), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2881 	MMIO_DFH(_MMIO(0xe2b0), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2882 	MMIO_DFH(_MMIO(0xe2c0), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2883 	MMIO_DFH(_MMIO(0x21f0), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
2884 	return 0;
2885 }
2886 
2887 static int init_skl_mmio_info(struct intel_gvt *gvt)
2888 {
2889 	struct drm_i915_private *dev_priv = gvt->gt->i915;
2890 	int ret;
2891 
2892 	MMIO_DH(FORCEWAKE_RENDER_GEN9, D_SKL_PLUS, NULL, mul_force_wake_write);
2893 	MMIO_DH(FORCEWAKE_ACK_RENDER_GEN9, D_SKL_PLUS, NULL, NULL);
2894 	MMIO_DH(FORCEWAKE_BLITTER_GEN9, D_SKL_PLUS, NULL, mul_force_wake_write);
2895 	MMIO_DH(FORCEWAKE_ACK_BLITTER_GEN9, D_SKL_PLUS, NULL, NULL);
2896 	MMIO_DH(FORCEWAKE_MEDIA_GEN9, D_SKL_PLUS, NULL, mul_force_wake_write);
2897 	MMIO_DH(FORCEWAKE_ACK_MEDIA_GEN9, D_SKL_PLUS, NULL, NULL);
2898 
2899 	MMIO_F(DP_AUX_CH_CTL(AUX_CH_B), 6 * 4, 0, 0, 0, D_SKL_PLUS, NULL,
2900 						dp_aux_ch_ctl_mmio_write);
2901 	MMIO_F(DP_AUX_CH_CTL(AUX_CH_C), 6 * 4, 0, 0, 0, D_SKL_PLUS, NULL,
2902 						dp_aux_ch_ctl_mmio_write);
2903 	MMIO_F(DP_AUX_CH_CTL(AUX_CH_D), 6 * 4, 0, 0, 0, D_SKL_PLUS, NULL,
2904 						dp_aux_ch_ctl_mmio_write);
2905 
2906 	MMIO_D(HSW_PWR_WELL_CTL1, D_SKL_PLUS);
2907 	MMIO_DH(HSW_PWR_WELL_CTL2, D_SKL_PLUS, NULL, skl_power_well_ctl_write);
2908 
2909 	MMIO_DH(DBUF_CTL_S(0), D_SKL_PLUS, NULL, gen9_dbuf_ctl_mmio_write);
2910 
2911 	MMIO_D(GEN9_PG_ENABLE, D_SKL_PLUS);
2912 	MMIO_D(GEN9_MEDIA_PG_IDLE_HYSTERESIS, D_SKL_PLUS);
2913 	MMIO_D(GEN9_RENDER_PG_IDLE_HYSTERESIS, D_SKL_PLUS);
2914 	MMIO_DFH(GEN9_GAMT_ECO_REG_RW_IA, D_SKL_PLUS, F_CMD_ACCESS, NULL, NULL);
2915 	MMIO_DH(MMCD_MISC_CTRL, D_SKL_PLUS, NULL, NULL);
2916 	MMIO_DH(CHICKEN_PAR1_1, D_SKL_PLUS, NULL, NULL);
2917 	MMIO_D(DC_STATE_EN, D_SKL_PLUS);
2918 	MMIO_D(DC_STATE_DEBUG, D_SKL_PLUS);
2919 	MMIO_D(CDCLK_CTL, D_SKL_PLUS);
2920 	MMIO_DH(LCPLL1_CTL, D_SKL_PLUS, NULL, skl_lcpll_write);
2921 	MMIO_DH(LCPLL2_CTL, D_SKL_PLUS, NULL, skl_lcpll_write);
2922 	MMIO_D(_MMIO(_DPLL1_CFGCR1), D_SKL_PLUS);
2923 	MMIO_D(_MMIO(_DPLL2_CFGCR1), D_SKL_PLUS);
2924 	MMIO_D(_MMIO(_DPLL3_CFGCR1), D_SKL_PLUS);
2925 	MMIO_D(_MMIO(_DPLL1_CFGCR2), D_SKL_PLUS);
2926 	MMIO_D(_MMIO(_DPLL2_CFGCR2), D_SKL_PLUS);
2927 	MMIO_D(_MMIO(_DPLL3_CFGCR2), D_SKL_PLUS);
2928 	MMIO_D(DPLL_CTRL1, D_SKL_PLUS);
2929 	MMIO_D(DPLL_CTRL2, D_SKL_PLUS);
2930 	MMIO_DH(DPLL_STATUS, D_SKL_PLUS, dpll_status_read, NULL);
2931 
2932 	MMIO_DH(SKL_PS_WIN_POS(PIPE_A, 0), D_SKL_PLUS, NULL, pf_write);
2933 	MMIO_DH(SKL_PS_WIN_POS(PIPE_A, 1), D_SKL_PLUS, NULL, pf_write);
2934 	MMIO_DH(SKL_PS_WIN_POS(PIPE_B, 0), D_SKL_PLUS, NULL, pf_write);
2935 	MMIO_DH(SKL_PS_WIN_POS(PIPE_B, 1), D_SKL_PLUS, NULL, pf_write);
2936 	MMIO_DH(SKL_PS_WIN_POS(PIPE_C, 0), D_SKL_PLUS, NULL, pf_write);
2937 	MMIO_DH(SKL_PS_WIN_POS(PIPE_C, 1), D_SKL_PLUS, NULL, pf_write);
2938 
2939 	MMIO_DH(SKL_PS_WIN_SZ(PIPE_A, 0), D_SKL_PLUS, NULL, pf_write);
2940 	MMIO_DH(SKL_PS_WIN_SZ(PIPE_A, 1), D_SKL_PLUS, NULL, pf_write);
2941 	MMIO_DH(SKL_PS_WIN_SZ(PIPE_B, 0), D_SKL_PLUS, NULL, pf_write);
2942 	MMIO_DH(SKL_PS_WIN_SZ(PIPE_B, 1), D_SKL_PLUS, NULL, pf_write);
2943 	MMIO_DH(SKL_PS_WIN_SZ(PIPE_C, 0), D_SKL_PLUS, NULL, pf_write);
2944 	MMIO_DH(SKL_PS_WIN_SZ(PIPE_C, 1), D_SKL_PLUS, NULL, pf_write);
2945 
2946 	MMIO_DH(SKL_PS_CTRL(PIPE_A, 0), D_SKL_PLUS, NULL, pf_write);
2947 	MMIO_DH(SKL_PS_CTRL(PIPE_A, 1), D_SKL_PLUS, NULL, pf_write);
2948 	MMIO_DH(SKL_PS_CTRL(PIPE_B, 0), D_SKL_PLUS, NULL, pf_write);
2949 	MMIO_DH(SKL_PS_CTRL(PIPE_B, 1), D_SKL_PLUS, NULL, pf_write);
2950 	MMIO_DH(SKL_PS_CTRL(PIPE_C, 0), D_SKL_PLUS, NULL, pf_write);
2951 	MMIO_DH(SKL_PS_CTRL(PIPE_C, 1), D_SKL_PLUS, NULL, pf_write);
2952 
2953 	MMIO_DH(PLANE_BUF_CFG(PIPE_A, 0), D_SKL_PLUS, NULL, NULL);
2954 	MMIO_DH(PLANE_BUF_CFG(PIPE_A, 1), D_SKL_PLUS, NULL, NULL);
2955 	MMIO_DH(PLANE_BUF_CFG(PIPE_A, 2), D_SKL_PLUS, NULL, NULL);
2956 	MMIO_DH(PLANE_BUF_CFG(PIPE_A, 3), D_SKL_PLUS, NULL, NULL);
2957 
2958 	MMIO_DH(PLANE_BUF_CFG(PIPE_B, 0), D_SKL_PLUS, NULL, NULL);
2959 	MMIO_DH(PLANE_BUF_CFG(PIPE_B, 1), D_SKL_PLUS, NULL, NULL);
2960 	MMIO_DH(PLANE_BUF_CFG(PIPE_B, 2), D_SKL_PLUS, NULL, NULL);
2961 	MMIO_DH(PLANE_BUF_CFG(PIPE_B, 3), D_SKL_PLUS, NULL, NULL);
2962 
2963 	MMIO_DH(PLANE_BUF_CFG(PIPE_C, 0), D_SKL_PLUS, NULL, NULL);
2964 	MMIO_DH(PLANE_BUF_CFG(PIPE_C, 1), D_SKL_PLUS, NULL, NULL);
2965 	MMIO_DH(PLANE_BUF_CFG(PIPE_C, 2), D_SKL_PLUS, NULL, NULL);
2966 	MMIO_DH(PLANE_BUF_CFG(PIPE_C, 3), D_SKL_PLUS, NULL, NULL);
2967 
2968 	MMIO_DH(CUR_BUF_CFG(PIPE_A), D_SKL_PLUS, NULL, NULL);
2969 	MMIO_DH(CUR_BUF_CFG(PIPE_B), D_SKL_PLUS, NULL, NULL);
2970 	MMIO_DH(CUR_BUF_CFG(PIPE_C), D_SKL_PLUS, NULL, NULL);
2971 
2972 	MMIO_F(PLANE_WM(PIPE_A, 0, 0), 4 * 8, 0, 0, 0, D_SKL_PLUS, NULL, NULL);
2973 	MMIO_F(PLANE_WM(PIPE_A, 1, 0), 4 * 8, 0, 0, 0, D_SKL_PLUS, NULL, NULL);
2974 	MMIO_F(PLANE_WM(PIPE_A, 2, 0), 4 * 8, 0, 0, 0, D_SKL_PLUS, NULL, NULL);
2975 
2976 	MMIO_F(PLANE_WM(PIPE_B, 0, 0), 4 * 8, 0, 0, 0, D_SKL_PLUS, NULL, NULL);
2977 	MMIO_F(PLANE_WM(PIPE_B, 1, 0), 4 * 8, 0, 0, 0, D_SKL_PLUS, NULL, NULL);
2978 	MMIO_F(PLANE_WM(PIPE_B, 2, 0), 4 * 8, 0, 0, 0, D_SKL_PLUS, NULL, NULL);
2979 
2980 	MMIO_F(PLANE_WM(PIPE_C, 0, 0), 4 * 8, 0, 0, 0, D_SKL_PLUS, NULL, NULL);
2981 	MMIO_F(PLANE_WM(PIPE_C, 1, 0), 4 * 8, 0, 0, 0, D_SKL_PLUS, NULL, NULL);
2982 	MMIO_F(PLANE_WM(PIPE_C, 2, 0), 4 * 8, 0, 0, 0, D_SKL_PLUS, NULL, NULL);
2983 
2984 	MMIO_F(CUR_WM(PIPE_A, 0), 4 * 8, 0, 0, 0, D_SKL_PLUS, NULL, NULL);
2985 	MMIO_F(CUR_WM(PIPE_B, 0), 4 * 8, 0, 0, 0, D_SKL_PLUS, NULL, NULL);
2986 	MMIO_F(CUR_WM(PIPE_C, 0), 4 * 8, 0, 0, 0, D_SKL_PLUS, NULL, NULL);
2987 
2988 	MMIO_DH(PLANE_WM_TRANS(PIPE_A, 0), D_SKL_PLUS, NULL, NULL);
2989 	MMIO_DH(PLANE_WM_TRANS(PIPE_A, 1), D_SKL_PLUS, NULL, NULL);
2990 	MMIO_DH(PLANE_WM_TRANS(PIPE_A, 2), D_SKL_PLUS, NULL, NULL);
2991 
2992 	MMIO_DH(PLANE_WM_TRANS(PIPE_B, 0), D_SKL_PLUS, NULL, NULL);
2993 	MMIO_DH(PLANE_WM_TRANS(PIPE_B, 1), D_SKL_PLUS, NULL, NULL);
2994 	MMIO_DH(PLANE_WM_TRANS(PIPE_B, 2), D_SKL_PLUS, NULL, NULL);
2995 
2996 	MMIO_DH(PLANE_WM_TRANS(PIPE_C, 0), D_SKL_PLUS, NULL, NULL);
2997 	MMIO_DH(PLANE_WM_TRANS(PIPE_C, 1), D_SKL_PLUS, NULL, NULL);
2998 	MMIO_DH(PLANE_WM_TRANS(PIPE_C, 2), D_SKL_PLUS, NULL, NULL);
2999 
3000 	MMIO_DH(CUR_WM_TRANS(PIPE_A), D_SKL_PLUS, NULL, NULL);
3001 	MMIO_DH(CUR_WM_TRANS(PIPE_B), D_SKL_PLUS, NULL, NULL);
3002 	MMIO_DH(CUR_WM_TRANS(PIPE_C), D_SKL_PLUS, NULL, NULL);
3003 
3004 	MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_A, 0), D_SKL_PLUS, NULL, NULL);
3005 	MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_A, 1), D_SKL_PLUS, NULL, NULL);
3006 	MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_A, 2), D_SKL_PLUS, NULL, NULL);
3007 	MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_A, 3), D_SKL_PLUS, NULL, NULL);
3008 
3009 	MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_B, 0), D_SKL_PLUS, NULL, NULL);
3010 	MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_B, 1), D_SKL_PLUS, NULL, NULL);
3011 	MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_B, 2), D_SKL_PLUS, NULL, NULL);
3012 	MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_B, 3), D_SKL_PLUS, NULL, NULL);
3013 
3014 	MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_C, 0), D_SKL_PLUS, NULL, NULL);
3015 	MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_C, 1), D_SKL_PLUS, NULL, NULL);
3016 	MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_C, 2), D_SKL_PLUS, NULL, NULL);
3017 	MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_C, 3), D_SKL_PLUS, NULL, NULL);
3018 
3019 	MMIO_DH(_MMIO(_REG_701C0(PIPE_A, 1)), D_SKL_PLUS, NULL, NULL);
3020 	MMIO_DH(_MMIO(_REG_701C0(PIPE_A, 2)), D_SKL_PLUS, NULL, NULL);
3021 	MMIO_DH(_MMIO(_REG_701C0(PIPE_A, 3)), D_SKL_PLUS, NULL, NULL);
3022 	MMIO_DH(_MMIO(_REG_701C0(PIPE_A, 4)), D_SKL_PLUS, NULL, NULL);
3023 
3024 	MMIO_DH(_MMIO(_REG_701C0(PIPE_B, 1)), D_SKL_PLUS, NULL, NULL);
3025 	MMIO_DH(_MMIO(_REG_701C0(PIPE_B, 2)), D_SKL_PLUS, NULL, NULL);
3026 	MMIO_DH(_MMIO(_REG_701C0(PIPE_B, 3)), D_SKL_PLUS, NULL, NULL);
3027 	MMIO_DH(_MMIO(_REG_701C0(PIPE_B, 4)), D_SKL_PLUS, NULL, NULL);
3028 
3029 	MMIO_DH(_MMIO(_REG_701C0(PIPE_C, 1)), D_SKL_PLUS, NULL, NULL);
3030 	MMIO_DH(_MMIO(_REG_701C0(PIPE_C, 2)), D_SKL_PLUS, NULL, NULL);
3031 	MMIO_DH(_MMIO(_REG_701C0(PIPE_C, 3)), D_SKL_PLUS, NULL, NULL);
3032 	MMIO_DH(_MMIO(_REG_701C0(PIPE_C, 4)), D_SKL_PLUS, NULL, NULL);
3033 
3034 	MMIO_DH(_MMIO(_REG_701C4(PIPE_A, 1)), D_SKL_PLUS, NULL, NULL);
3035 	MMIO_DH(_MMIO(_REG_701C4(PIPE_A, 2)), D_SKL_PLUS, NULL, NULL);
3036 	MMIO_DH(_MMIO(_REG_701C4(PIPE_A, 3)), D_SKL_PLUS, NULL, NULL);
3037 	MMIO_DH(_MMIO(_REG_701C4(PIPE_A, 4)), D_SKL_PLUS, NULL, NULL);
3038 
3039 	MMIO_DH(_MMIO(_REG_701C4(PIPE_B, 1)), D_SKL_PLUS, NULL, NULL);
3040 	MMIO_DH(_MMIO(_REG_701C4(PIPE_B, 2)), D_SKL_PLUS, NULL, NULL);
3041 	MMIO_DH(_MMIO(_REG_701C4(PIPE_B, 3)), D_SKL_PLUS, NULL, NULL);
3042 	MMIO_DH(_MMIO(_REG_701C4(PIPE_B, 4)), D_SKL_PLUS, NULL, NULL);
3043 
3044 	MMIO_DH(_MMIO(_REG_701C4(PIPE_C, 1)), D_SKL_PLUS, NULL, NULL);
3045 	MMIO_DH(_MMIO(_REG_701C4(PIPE_C, 2)), D_SKL_PLUS, NULL, NULL);
3046 	MMIO_DH(_MMIO(_REG_701C4(PIPE_C, 3)), D_SKL_PLUS, NULL, NULL);
3047 	MMIO_DH(_MMIO(_REG_701C4(PIPE_C, 4)), D_SKL_PLUS, NULL, NULL);
3048 
3049 	MMIO_D(_MMIO(_PLANE_CTL_3_A), D_SKL_PLUS);
3050 	MMIO_D(_MMIO(_PLANE_CTL_3_B), D_SKL_PLUS);
3051 	MMIO_D(_MMIO(0x72380), D_SKL_PLUS);
3052 	MMIO_D(_MMIO(0x7239c), D_SKL_PLUS);
3053 	MMIO_D(_MMIO(_PLANE_SURF_3_A), D_SKL_PLUS);
3054 
3055 	MMIO_D(CSR_SSP_BASE, D_SKL_PLUS);
3056 	MMIO_D(CSR_HTP_SKL, D_SKL_PLUS);
3057 	MMIO_D(CSR_LAST_WRITE, D_SKL_PLUS);
3058 
3059 	MMIO_DFH(BDW_SCRATCH1, D_SKL_PLUS, F_CMD_ACCESS, NULL, NULL);
3060 
3061 	MMIO_D(SKL_DFSM, D_SKL_PLUS);
3062 	MMIO_D(DISPIO_CR_TX_BMU_CR0, D_SKL_PLUS);
3063 
3064 	MMIO_F(GEN9_GFX_MOCS(0), 0x7f8, F_CMD_ACCESS, 0, 0, D_SKL_PLUS,
3065 		NULL, NULL);
3066 	MMIO_F(GEN7_L3CNTLREG2, 0x80, F_CMD_ACCESS, 0, 0, D_SKL_PLUS,
3067 		NULL, NULL);
3068 
3069 	MMIO_D(RPM_CONFIG0, D_SKL_PLUS);
3070 	MMIO_D(_MMIO(0xd08), D_SKL_PLUS);
3071 	MMIO_D(RC6_LOCATION, D_SKL_PLUS);
3072 	MMIO_DFH(GEN7_FF_SLICE_CS_CHICKEN1, D_SKL_PLUS,
3073 		 F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
3074 	MMIO_DFH(GEN9_CS_DEBUG_MODE1, D_SKL_PLUS, F_MODE_MASK | F_CMD_ACCESS,
3075 		NULL, NULL);
3076 
3077 	/* TRTT */
3078 	MMIO_DFH(TRVATTL3PTRDW(0), D_SKL_PLUS, F_CMD_ACCESS, NULL, NULL);
3079 	MMIO_DFH(TRVATTL3PTRDW(1), D_SKL_PLUS, F_CMD_ACCESS, NULL, NULL);
3080 	MMIO_DFH(TRVATTL3PTRDW(2), D_SKL_PLUS, F_CMD_ACCESS, NULL, NULL);
3081 	MMIO_DFH(TRVATTL3PTRDW(3), D_SKL_PLUS, F_CMD_ACCESS, NULL, NULL);
3082 	MMIO_DFH(TRVADR, D_SKL_PLUS, F_CMD_ACCESS, NULL, NULL);
3083 	MMIO_DFH(TRTTE, D_SKL_PLUS, F_CMD_ACCESS,
3084 		NULL, gen9_trtte_write);
3085 	MMIO_DH(_MMIO(0x4dfc), D_SKL_PLUS, NULL, gen9_trtt_chicken_write);
3086 
3087 	MMIO_D(_MMIO(0x46430), D_SKL_PLUS);
3088 
3089 	MMIO_D(_MMIO(0x46520), D_SKL_PLUS);
3090 
3091 	MMIO_D(_MMIO(0xc403c), D_SKL_PLUS);
3092 	MMIO_DFH(GEN8_GARBCNTL, D_SKL_PLUS, F_CMD_ACCESS, NULL, NULL);
3093 	MMIO_DH(DMA_CTRL, D_SKL_PLUS, NULL, dma_ctrl_write);
3094 
3095 	MMIO_D(_MMIO(0x65900), D_SKL_PLUS);
3096 	MMIO_D(GEN6_STOLEN_RESERVED, D_SKL_PLUS);
3097 	MMIO_D(_MMIO(0x4068), D_SKL_PLUS);
3098 	MMIO_D(_MMIO(0x67054), D_SKL_PLUS);
3099 	MMIO_D(_MMIO(0x6e560), D_SKL_PLUS);
3100 	MMIO_D(_MMIO(0x6e554), D_SKL_PLUS);
3101 	MMIO_D(_MMIO(0x2b20), D_SKL_PLUS);
3102 	MMIO_D(_MMIO(0x65f00), D_SKL_PLUS);
3103 	MMIO_D(_MMIO(0x65f08), D_SKL_PLUS);
3104 	MMIO_D(_MMIO(0x320f0), D_SKL_PLUS);
3105 
3106 	MMIO_D(_MMIO(0x70034), D_SKL_PLUS);
3107 	MMIO_D(_MMIO(0x71034), D_SKL_PLUS);
3108 	MMIO_D(_MMIO(0x72034), D_SKL_PLUS);
3109 
3110 	MMIO_D(_MMIO(_PLANE_KEYVAL_1(PIPE_A)), D_SKL_PLUS);
3111 	MMIO_D(_MMIO(_PLANE_KEYVAL_1(PIPE_B)), D_SKL_PLUS);
3112 	MMIO_D(_MMIO(_PLANE_KEYVAL_1(PIPE_C)), D_SKL_PLUS);
3113 	MMIO_D(_MMIO(_PLANE_KEYMAX_1(PIPE_A)), D_SKL_PLUS);
3114 	MMIO_D(_MMIO(_PLANE_KEYMAX_1(PIPE_B)), D_SKL_PLUS);
3115 	MMIO_D(_MMIO(_PLANE_KEYMAX_1(PIPE_C)), D_SKL_PLUS);
3116 	MMIO_D(_MMIO(_PLANE_KEYMSK_1(PIPE_A)), D_SKL_PLUS);
3117 	MMIO_D(_MMIO(_PLANE_KEYMSK_1(PIPE_B)), D_SKL_PLUS);
3118 	MMIO_D(_MMIO(_PLANE_KEYMSK_1(PIPE_C)), D_SKL_PLUS);
3119 
3120 	MMIO_D(_MMIO(0x44500), D_SKL_PLUS);
3121 #define CSFE_CHICKEN1_REG(base) _MMIO((base) + 0xD4)
3122 	MMIO_RING_DFH(CSFE_CHICKEN1_REG, D_SKL_PLUS, F_MODE_MASK | F_CMD_ACCESS,
3123 		      NULL, csfe_chicken1_mmio_write);
3124 #undef CSFE_CHICKEN1_REG
3125 	MMIO_DFH(GEN8_HDC_CHICKEN1, D_SKL_PLUS, F_MODE_MASK | F_CMD_ACCESS,
3126 		 NULL, NULL);
3127 	MMIO_DFH(GEN9_WM_CHICKEN3, D_SKL_PLUS, F_MODE_MASK | F_CMD_ACCESS,
3128 		 NULL, NULL);
3129 
3130 	MMIO_D(GAMT_CHKN_BIT_REG, D_KBL);
3131 	MMIO_D(GEN9_CTX_PREEMPT_REG, D_KBL | D_SKL);
3132 
3133 	return 0;
3134 }
3135 
3136 static int init_bxt_mmio_info(struct intel_gvt *gvt)
3137 {
3138 	struct drm_i915_private *dev_priv = gvt->gt->i915;
3139 	int ret;
3140 
3141 	MMIO_F(_MMIO(0x80000), 0x3000, 0, 0, 0, D_BXT, NULL, NULL);
3142 
3143 	MMIO_D(GEN7_SAMPLER_INSTDONE, D_BXT);
3144 	MMIO_D(GEN7_ROW_INSTDONE, D_BXT);
3145 	MMIO_D(GEN8_FAULT_TLB_DATA0, D_BXT);
3146 	MMIO_D(GEN8_FAULT_TLB_DATA1, D_BXT);
3147 	MMIO_D(ERROR_GEN6, D_BXT);
3148 	MMIO_D(DONE_REG, D_BXT);
3149 	MMIO_D(EIR, D_BXT);
3150 	MMIO_D(PGTBL_ER, D_BXT);
3151 	MMIO_D(_MMIO(0x4194), D_BXT);
3152 	MMIO_D(_MMIO(0x4294), D_BXT);
3153 	MMIO_D(_MMIO(0x4494), D_BXT);
3154 
3155 	MMIO_RING_D(RING_PSMI_CTL, D_BXT);
3156 	MMIO_RING_D(RING_DMA_FADD, D_BXT);
3157 	MMIO_RING_D(RING_DMA_FADD_UDW, D_BXT);
3158 	MMIO_RING_D(RING_IPEHR, D_BXT);
3159 	MMIO_RING_D(RING_INSTPS, D_BXT);
3160 	MMIO_RING_D(RING_BBADDR_UDW, D_BXT);
3161 	MMIO_RING_D(RING_BBSTATE, D_BXT);
3162 	MMIO_RING_D(RING_IPEIR, D_BXT);
3163 
3164 	MMIO_F(SOFT_SCRATCH(0), 16 * 4, 0, 0, 0, D_BXT, NULL, NULL);
3165 
3166 	MMIO_DH(BXT_P_CR_GT_DISP_PWRON, D_BXT, NULL, bxt_gt_disp_pwron_write);
3167 	MMIO_D(BXT_RP_STATE_CAP, D_BXT);
3168 	MMIO_DH(BXT_PHY_CTL_FAMILY(DPIO_PHY0), D_BXT,
3169 		NULL, bxt_phy_ctl_family_write);
3170 	MMIO_DH(BXT_PHY_CTL_FAMILY(DPIO_PHY1), D_BXT,
3171 		NULL, bxt_phy_ctl_family_write);
3172 	MMIO_D(BXT_PHY_CTL(PORT_A), D_BXT);
3173 	MMIO_D(BXT_PHY_CTL(PORT_B), D_BXT);
3174 	MMIO_D(BXT_PHY_CTL(PORT_C), D_BXT);
3175 	MMIO_DH(BXT_PORT_PLL_ENABLE(PORT_A), D_BXT,
3176 		NULL, bxt_port_pll_enable_write);
3177 	MMIO_DH(BXT_PORT_PLL_ENABLE(PORT_B), D_BXT,
3178 		NULL, bxt_port_pll_enable_write);
3179 	MMIO_DH(BXT_PORT_PLL_ENABLE(PORT_C), D_BXT, NULL,
3180 		bxt_port_pll_enable_write);
3181 
3182 	MMIO_D(BXT_PORT_CL1CM_DW0(DPIO_PHY0), D_BXT);
3183 	MMIO_D(BXT_PORT_CL1CM_DW9(DPIO_PHY0), D_BXT);
3184 	MMIO_D(BXT_PORT_CL1CM_DW10(DPIO_PHY0), D_BXT);
3185 	MMIO_D(BXT_PORT_CL1CM_DW28(DPIO_PHY0), D_BXT);
3186 	MMIO_D(BXT_PORT_CL1CM_DW30(DPIO_PHY0), D_BXT);
3187 	MMIO_D(BXT_PORT_CL2CM_DW6(DPIO_PHY0), D_BXT);
3188 	MMIO_D(BXT_PORT_REF_DW3(DPIO_PHY0), D_BXT);
3189 	MMIO_D(BXT_PORT_REF_DW6(DPIO_PHY0), D_BXT);
3190 	MMIO_D(BXT_PORT_REF_DW8(DPIO_PHY0), D_BXT);
3191 
3192 	MMIO_D(BXT_PORT_CL1CM_DW0(DPIO_PHY1), D_BXT);
3193 	MMIO_D(BXT_PORT_CL1CM_DW9(DPIO_PHY1), D_BXT);
3194 	MMIO_D(BXT_PORT_CL1CM_DW10(DPIO_PHY1), D_BXT);
3195 	MMIO_D(BXT_PORT_CL1CM_DW28(DPIO_PHY1), D_BXT);
3196 	MMIO_D(BXT_PORT_CL1CM_DW30(DPIO_PHY1), D_BXT);
3197 	MMIO_D(BXT_PORT_CL2CM_DW6(DPIO_PHY1), D_BXT);
3198 	MMIO_D(BXT_PORT_REF_DW3(DPIO_PHY1), D_BXT);
3199 	MMIO_D(BXT_PORT_REF_DW6(DPIO_PHY1), D_BXT);
3200 	MMIO_D(BXT_PORT_REF_DW8(DPIO_PHY1), D_BXT);
3201 
3202 	MMIO_D(BXT_PORT_PLL_EBB_0(DPIO_PHY0, DPIO_CH0), D_BXT);
3203 	MMIO_D(BXT_PORT_PLL_EBB_4(DPIO_PHY0, DPIO_CH0), D_BXT);
3204 	MMIO_D(BXT_PORT_PCS_DW10_LN01(DPIO_PHY0, DPIO_CH0), D_BXT);
3205 	MMIO_D(BXT_PORT_PCS_DW10_GRP(DPIO_PHY0, DPIO_CH0), D_BXT);
3206 	MMIO_D(BXT_PORT_PCS_DW12_LN01(DPIO_PHY0, DPIO_CH0), D_BXT);
3207 	MMIO_D(BXT_PORT_PCS_DW12_LN23(DPIO_PHY0, DPIO_CH0), D_BXT);
3208 	MMIO_DH(BXT_PORT_PCS_DW12_GRP(DPIO_PHY0, DPIO_CH0), D_BXT,
3209 		NULL, bxt_pcs_dw12_grp_write);
3210 	MMIO_D(BXT_PORT_TX_DW2_LN0(DPIO_PHY0, DPIO_CH0), D_BXT);
3211 	MMIO_D(BXT_PORT_TX_DW2_GRP(DPIO_PHY0, DPIO_CH0), D_BXT);
3212 	MMIO_DH(BXT_PORT_TX_DW3_LN0(DPIO_PHY0, DPIO_CH0), D_BXT,
3213 		bxt_port_tx_dw3_read, NULL);
3214 	MMIO_D(BXT_PORT_TX_DW3_GRP(DPIO_PHY0, DPIO_CH0), D_BXT);
3215 	MMIO_D(BXT_PORT_TX_DW4_LN0(DPIO_PHY0, DPIO_CH0), D_BXT);
3216 	MMIO_D(BXT_PORT_TX_DW4_GRP(DPIO_PHY0, DPIO_CH0), D_BXT);
3217 	MMIO_D(BXT_PORT_TX_DW14_LN(DPIO_PHY0, DPIO_CH0, 0), D_BXT);
3218 	MMIO_D(BXT_PORT_TX_DW14_LN(DPIO_PHY0, DPIO_CH0, 1), D_BXT);
3219 	MMIO_D(BXT_PORT_TX_DW14_LN(DPIO_PHY0, DPIO_CH0, 2), D_BXT);
3220 	MMIO_D(BXT_PORT_TX_DW14_LN(DPIO_PHY0, DPIO_CH0, 3), D_BXT);
3221 	MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH0, 0), D_BXT);
3222 	MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH0, 1), D_BXT);
3223 	MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH0, 2), D_BXT);
3224 	MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH0, 3), D_BXT);
3225 	MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH0, 6), D_BXT);
3226 	MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH0, 8), D_BXT);
3227 	MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH0, 9), D_BXT);
3228 	MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH0, 10), D_BXT);
3229 
3230 	MMIO_D(BXT_PORT_PLL_EBB_0(DPIO_PHY0, DPIO_CH1), D_BXT);
3231 	MMIO_D(BXT_PORT_PLL_EBB_4(DPIO_PHY0, DPIO_CH1), D_BXT);
3232 	MMIO_D(BXT_PORT_PCS_DW10_LN01(DPIO_PHY0, DPIO_CH1), D_BXT);
3233 	MMIO_D(BXT_PORT_PCS_DW10_GRP(DPIO_PHY0, DPIO_CH1), D_BXT);
3234 	MMIO_D(BXT_PORT_PCS_DW12_LN01(DPIO_PHY0, DPIO_CH1), D_BXT);
3235 	MMIO_D(BXT_PORT_PCS_DW12_LN23(DPIO_PHY0, DPIO_CH1), D_BXT);
3236 	MMIO_DH(BXT_PORT_PCS_DW12_GRP(DPIO_PHY0, DPIO_CH1), D_BXT,
3237 		NULL, bxt_pcs_dw12_grp_write);
3238 	MMIO_D(BXT_PORT_TX_DW2_LN0(DPIO_PHY0, DPIO_CH1), D_BXT);
3239 	MMIO_D(BXT_PORT_TX_DW2_GRP(DPIO_PHY0, DPIO_CH1), D_BXT);
3240 	MMIO_DH(BXT_PORT_TX_DW3_LN0(DPIO_PHY0, DPIO_CH1), D_BXT,
3241 		bxt_port_tx_dw3_read, NULL);
3242 	MMIO_D(BXT_PORT_TX_DW3_GRP(DPIO_PHY0, DPIO_CH1), D_BXT);
3243 	MMIO_D(BXT_PORT_TX_DW4_LN0(DPIO_PHY0, DPIO_CH1), D_BXT);
3244 	MMIO_D(BXT_PORT_TX_DW4_GRP(DPIO_PHY0, DPIO_CH1), D_BXT);
3245 	MMIO_D(BXT_PORT_TX_DW14_LN(DPIO_PHY0, DPIO_CH1, 0), D_BXT);
3246 	MMIO_D(BXT_PORT_TX_DW14_LN(DPIO_PHY0, DPIO_CH1, 1), D_BXT);
3247 	MMIO_D(BXT_PORT_TX_DW14_LN(DPIO_PHY0, DPIO_CH1, 2), D_BXT);
3248 	MMIO_D(BXT_PORT_TX_DW14_LN(DPIO_PHY0, DPIO_CH1, 3), D_BXT);
3249 	MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH1, 0), D_BXT);
3250 	MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH1, 1), D_BXT);
3251 	MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH1, 2), D_BXT);
3252 	MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH1, 3), D_BXT);
3253 	MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH1, 6), D_BXT);
3254 	MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH1, 8), D_BXT);
3255 	MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH1, 9), D_BXT);
3256 	MMIO_D(BXT_PORT_PLL(DPIO_PHY0, DPIO_CH1, 10), D_BXT);
3257 
3258 	MMIO_D(BXT_PORT_PLL_EBB_0(DPIO_PHY1, DPIO_CH0), D_BXT);
3259 	MMIO_D(BXT_PORT_PLL_EBB_4(DPIO_PHY1, DPIO_CH0), D_BXT);
3260 	MMIO_D(BXT_PORT_PCS_DW10_LN01(DPIO_PHY1, DPIO_CH0), D_BXT);
3261 	MMIO_D(BXT_PORT_PCS_DW10_GRP(DPIO_PHY1, DPIO_CH0), D_BXT);
3262 	MMIO_D(BXT_PORT_PCS_DW12_LN01(DPIO_PHY1, DPIO_CH0), D_BXT);
3263 	MMIO_D(BXT_PORT_PCS_DW12_LN23(DPIO_PHY1, DPIO_CH0), D_BXT);
3264 	MMIO_DH(BXT_PORT_PCS_DW12_GRP(DPIO_PHY1, DPIO_CH0), D_BXT,
3265 		NULL, bxt_pcs_dw12_grp_write);
3266 	MMIO_D(BXT_PORT_TX_DW2_LN0(DPIO_PHY1, DPIO_CH0), D_BXT);
3267 	MMIO_D(BXT_PORT_TX_DW2_GRP(DPIO_PHY1, DPIO_CH0), D_BXT);
3268 	MMIO_DH(BXT_PORT_TX_DW3_LN0(DPIO_PHY1, DPIO_CH0), D_BXT,
3269 		bxt_port_tx_dw3_read, NULL);
3270 	MMIO_D(BXT_PORT_TX_DW3_GRP(DPIO_PHY1, DPIO_CH0), D_BXT);
3271 	MMIO_D(BXT_PORT_TX_DW4_LN0(DPIO_PHY1, DPIO_CH0), D_BXT);
3272 	MMIO_D(BXT_PORT_TX_DW4_GRP(DPIO_PHY1, DPIO_CH0), D_BXT);
3273 	MMIO_D(BXT_PORT_TX_DW14_LN(DPIO_PHY1, DPIO_CH0, 0), D_BXT);
3274 	MMIO_D(BXT_PORT_TX_DW14_LN(DPIO_PHY1, DPIO_CH0, 1), D_BXT);
3275 	MMIO_D(BXT_PORT_TX_DW14_LN(DPIO_PHY1, DPIO_CH0, 2), D_BXT);
3276 	MMIO_D(BXT_PORT_TX_DW14_LN(DPIO_PHY1, DPIO_CH0, 3), D_BXT);
3277 	MMIO_D(BXT_PORT_PLL(DPIO_PHY1, DPIO_CH0, 0), D_BXT);
3278 	MMIO_D(BXT_PORT_PLL(DPIO_PHY1, DPIO_CH0, 1), D_BXT);
3279 	MMIO_D(BXT_PORT_PLL(DPIO_PHY1, DPIO_CH0, 2), D_BXT);
3280 	MMIO_D(BXT_PORT_PLL(DPIO_PHY1, DPIO_CH0, 3), D_BXT);
3281 	MMIO_D(BXT_PORT_PLL(DPIO_PHY1, DPIO_CH0, 6), D_BXT);
3282 	MMIO_D(BXT_PORT_PLL(DPIO_PHY1, DPIO_CH0, 8), D_BXT);
3283 	MMIO_D(BXT_PORT_PLL(DPIO_PHY1, DPIO_CH0, 9), D_BXT);
3284 	MMIO_D(BXT_PORT_PLL(DPIO_PHY1, DPIO_CH0, 10), D_BXT);
3285 
3286 	MMIO_D(BXT_DE_PLL_CTL, D_BXT);
3287 	MMIO_DH(BXT_DE_PLL_ENABLE, D_BXT, NULL, bxt_de_pll_enable_write);
3288 	MMIO_D(BXT_DSI_PLL_CTL, D_BXT);
3289 	MMIO_D(BXT_DSI_PLL_ENABLE, D_BXT);
3290 
3291 	MMIO_D(GEN9_CLKGATE_DIS_0, D_BXT);
3292 	MMIO_D(GEN9_CLKGATE_DIS_4, D_BXT);
3293 
3294 	MMIO_D(HSW_TVIDEO_DIP_GCP(TRANSCODER_A), D_BXT);
3295 	MMIO_D(HSW_TVIDEO_DIP_GCP(TRANSCODER_B), D_BXT);
3296 	MMIO_D(HSW_TVIDEO_DIP_GCP(TRANSCODER_C), D_BXT);
3297 
3298 	MMIO_D(RC6_CTX_BASE, D_BXT);
3299 
3300 	MMIO_D(GEN8_PUSHBUS_CONTROL, D_BXT);
3301 	MMIO_D(GEN8_PUSHBUS_ENABLE, D_BXT);
3302 	MMIO_D(GEN8_PUSHBUS_SHIFT, D_BXT);
3303 	MMIO_D(GEN6_GFXPAUSE, D_BXT);
3304 	MMIO_DFH(GEN8_L3SQCREG1, D_BXT, F_CMD_ACCESS, NULL, NULL);
3305 
3306 	MMIO_DFH(GEN9_CTX_PREEMPT_REG, D_BXT, F_CMD_ACCESS, NULL, NULL);
3307 
3308 	return 0;
3309 }
3310 
3311 static struct gvt_mmio_block *find_mmio_block(struct intel_gvt *gvt,
3312 					      unsigned int offset)
3313 {
3314 	unsigned long device = intel_gvt_get_device_type(gvt);
3315 	struct gvt_mmio_block *block = gvt->mmio.mmio_block;
3316 	int num = gvt->mmio.num_mmio_block;
3317 	int i;
3318 
3319 	for (i = 0; i < num; i++, block++) {
3320 		if (!(device & block->device))
3321 			continue;
3322 		if (offset >= i915_mmio_reg_offset(block->offset) &&
3323 		    offset < i915_mmio_reg_offset(block->offset) + block->size)
3324 			return block;
3325 	}
3326 	return NULL;
3327 }
3328 
3329 /**
3330  * intel_gvt_clean_mmio_info - clean up MMIO information table for GVT device
3331  * @gvt: GVT device
3332  *
3333  * This function is called at the driver unloading stage, to clean up the MMIO
3334  * information table of GVT device
3335  *
3336  */
3337 void intel_gvt_clean_mmio_info(struct intel_gvt *gvt)
3338 {
3339 	struct hlist_node *tmp;
3340 	struct intel_gvt_mmio_info *e;
3341 	int i;
3342 
3343 	hash_for_each_safe(gvt->mmio.mmio_info_table, i, tmp, e, node)
3344 		kfree(e);
3345 
3346 	vfree(gvt->mmio.mmio_attribute);
3347 	gvt->mmio.mmio_attribute = NULL;
3348 }
3349 
3350 /* Special MMIO blocks. */
3351 static struct gvt_mmio_block mmio_blocks[] = {
3352 	{D_SKL_PLUS, _MMIO(CSR_MMIO_START_RANGE), 0x3000, NULL, NULL},
3353 	{D_ALL, _MMIO(MCHBAR_MIRROR_BASE_SNB), 0x40000, NULL, NULL},
3354 	{D_ALL, _MMIO(VGT_PVINFO_PAGE), VGT_PVINFO_SIZE,
3355 		pvinfo_mmio_read, pvinfo_mmio_write},
3356 	{D_ALL, LGC_PALETTE(PIPE_A, 0), 1024, NULL, NULL},
3357 	{D_ALL, LGC_PALETTE(PIPE_B, 0), 1024, NULL, NULL},
3358 	{D_ALL, LGC_PALETTE(PIPE_C, 0), 1024, NULL, NULL},
3359 };
3360 
3361 /**
3362  * intel_gvt_setup_mmio_info - setup MMIO information table for GVT device
3363  * @gvt: GVT device
3364  *
3365  * This function is called at the initialization stage, to setup the MMIO
3366  * information table for GVT device
3367  *
3368  * Returns:
3369  * zero on success, negative if failed.
3370  */
3371 int intel_gvt_setup_mmio_info(struct intel_gvt *gvt)
3372 {
3373 	struct intel_gvt_device_info *info = &gvt->device_info;
3374 	struct drm_i915_private *i915 = gvt->gt->i915;
3375 	int size = info->mmio_size / 4 * sizeof(*gvt->mmio.mmio_attribute);
3376 	int ret;
3377 
3378 	gvt->mmio.mmio_attribute = vzalloc(size);
3379 	if (!gvt->mmio.mmio_attribute)
3380 		return -ENOMEM;
3381 
3382 	ret = init_generic_mmio_info(gvt);
3383 	if (ret)
3384 		goto err;
3385 
3386 	if (IS_BROADWELL(i915)) {
3387 		ret = init_bdw_mmio_info(gvt);
3388 		if (ret)
3389 			goto err;
3390 	} else if (IS_SKYLAKE(i915) ||
3391 		   IS_KABYLAKE(i915) ||
3392 		   IS_COFFEELAKE(i915)) {
3393 		ret = init_bdw_mmio_info(gvt);
3394 		if (ret)
3395 			goto err;
3396 		ret = init_skl_mmio_info(gvt);
3397 		if (ret)
3398 			goto err;
3399 	} else if (IS_BROXTON(i915)) {
3400 		ret = init_bdw_mmio_info(gvt);
3401 		if (ret)
3402 			goto err;
3403 		ret = init_skl_mmio_info(gvt);
3404 		if (ret)
3405 			goto err;
3406 		ret = init_bxt_mmio_info(gvt);
3407 		if (ret)
3408 			goto err;
3409 	}
3410 
3411 	gvt->mmio.mmio_block = mmio_blocks;
3412 	gvt->mmio.num_mmio_block = ARRAY_SIZE(mmio_blocks);
3413 
3414 	return 0;
3415 err:
3416 	intel_gvt_clean_mmio_info(gvt);
3417 	return ret;
3418 }
3419 
3420 /**
3421  * intel_gvt_for_each_tracked_mmio - iterate each tracked mmio
3422  * @gvt: a GVT device
3423  * @handler: the handler
3424  * @data: private data given to handler
3425  *
3426  * Returns:
3427  * Zero on success, negative error code if failed.
3428  */
3429 int intel_gvt_for_each_tracked_mmio(struct intel_gvt *gvt,
3430 	int (*handler)(struct intel_gvt *gvt, u32 offset, void *data),
3431 	void *data)
3432 {
3433 	struct gvt_mmio_block *block = gvt->mmio.mmio_block;
3434 	struct intel_gvt_mmio_info *e;
3435 	int i, j, ret;
3436 
3437 	hash_for_each(gvt->mmio.mmio_info_table, i, e, node) {
3438 		ret = handler(gvt, e->offset, data);
3439 		if (ret)
3440 			return ret;
3441 	}
3442 
3443 	for (i = 0; i < gvt->mmio.num_mmio_block; i++, block++) {
3444 		/* pvinfo data doesn't come from hw mmio */
3445 		if (i915_mmio_reg_offset(block->offset) == VGT_PVINFO_PAGE)
3446 			continue;
3447 
3448 		for (j = 0; j < block->size; j += 4) {
3449 			ret = handler(gvt,
3450 				      i915_mmio_reg_offset(block->offset) + j,
3451 				      data);
3452 			if (ret)
3453 				return ret;
3454 		}
3455 	}
3456 	return 0;
3457 }
3458 
3459 /**
3460  * intel_vgpu_default_mmio_read - default MMIO read handler
3461  * @vgpu: a vGPU
3462  * @offset: access offset
3463  * @p_data: data return buffer
3464  * @bytes: access data length
3465  *
3466  * Returns:
3467  * Zero on success, negative error code if failed.
3468  */
3469 int intel_vgpu_default_mmio_read(struct intel_vgpu *vgpu, unsigned int offset,
3470 		void *p_data, unsigned int bytes)
3471 {
3472 	read_vreg(vgpu, offset, p_data, bytes);
3473 	return 0;
3474 }
3475 
3476 /**
3477  * intel_t_default_mmio_write - default MMIO write handler
3478  * @vgpu: a vGPU
3479  * @offset: access offset
3480  * @p_data: write data buffer
3481  * @bytes: access data length
3482  *
3483  * Returns:
3484  * Zero on success, negative error code if failed.
3485  */
3486 int intel_vgpu_default_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
3487 		void *p_data, unsigned int bytes)
3488 {
3489 	write_vreg(vgpu, offset, p_data, bytes);
3490 	return 0;
3491 }
3492 
3493 /**
3494  * intel_vgpu_mask_mmio_write - write mask register
3495  * @vgpu: a vGPU
3496  * @offset: access offset
3497  * @p_data: write data buffer
3498  * @bytes: access data length
3499  *
3500  * Returns:
3501  * Zero on success, negative error code if failed.
3502  */
3503 int intel_vgpu_mask_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
3504 		void *p_data, unsigned int bytes)
3505 {
3506 	u32 mask, old_vreg;
3507 
3508 	old_vreg = vgpu_vreg(vgpu, offset);
3509 	write_vreg(vgpu, offset, p_data, bytes);
3510 	mask = vgpu_vreg(vgpu, offset) >> 16;
3511 	vgpu_vreg(vgpu, offset) = (old_vreg & ~mask) |
3512 				(vgpu_vreg(vgpu, offset) & mask);
3513 
3514 	return 0;
3515 }
3516 
3517 /**
3518  * intel_gvt_in_force_nonpriv_whitelist - if a mmio is in whitelist to be
3519  * force-nopriv register
3520  *
3521  * @gvt: a GVT device
3522  * @offset: register offset
3523  *
3524  * Returns:
3525  * True if the register is in force-nonpriv whitelist;
3526  * False if outside;
3527  */
3528 bool intel_gvt_in_force_nonpriv_whitelist(struct intel_gvt *gvt,
3529 					  unsigned int offset)
3530 {
3531 	return in_whitelist(offset);
3532 }
3533 
3534 /**
3535  * intel_vgpu_mmio_reg_rw - emulate tracked mmio registers
3536  * @vgpu: a vGPU
3537  * @offset: register offset
3538  * @pdata: data buffer
3539  * @bytes: data length
3540  * @is_read: read or write
3541  *
3542  * Returns:
3543  * Zero on success, negative error code if failed.
3544  */
3545 int intel_vgpu_mmio_reg_rw(struct intel_vgpu *vgpu, unsigned int offset,
3546 			   void *pdata, unsigned int bytes, bool is_read)
3547 {
3548 	struct drm_i915_private *i915 = vgpu->gvt->gt->i915;
3549 	struct intel_gvt *gvt = vgpu->gvt;
3550 	struct intel_gvt_mmio_info *mmio_info;
3551 	struct gvt_mmio_block *mmio_block;
3552 	gvt_mmio_func func;
3553 	int ret;
3554 
3555 	if (drm_WARN_ON(&i915->drm, bytes > 8))
3556 		return -EINVAL;
3557 
3558 	/*
3559 	 * Handle special MMIO blocks.
3560 	 */
3561 	mmio_block = find_mmio_block(gvt, offset);
3562 	if (mmio_block) {
3563 		func = is_read ? mmio_block->read : mmio_block->write;
3564 		if (func)
3565 			return func(vgpu, offset, pdata, bytes);
3566 		goto default_rw;
3567 	}
3568 
3569 	/*
3570 	 * Normal tracked MMIOs.
3571 	 */
3572 	mmio_info = find_mmio_info(gvt, offset);
3573 	if (!mmio_info) {
3574 		gvt_dbg_mmio("untracked MMIO %08x len %d\n", offset, bytes);
3575 		goto default_rw;
3576 	}
3577 
3578 	if (is_read)
3579 		return mmio_info->read(vgpu, offset, pdata, bytes);
3580 	else {
3581 		u64 ro_mask = mmio_info->ro_mask;
3582 		u32 old_vreg = 0;
3583 		u64 data = 0;
3584 
3585 		if (intel_gvt_mmio_has_mode_mask(gvt, mmio_info->offset)) {
3586 			old_vreg = vgpu_vreg(vgpu, offset);
3587 		}
3588 
3589 		if (likely(!ro_mask))
3590 			ret = mmio_info->write(vgpu, offset, pdata, bytes);
3591 		else if (!~ro_mask) {
3592 			gvt_vgpu_err("try to write RO reg %x\n", offset);
3593 			return 0;
3594 		} else {
3595 			/* keep the RO bits in the virtual register */
3596 			memcpy(&data, pdata, bytes);
3597 			data &= ~ro_mask;
3598 			data |= vgpu_vreg(vgpu, offset) & ro_mask;
3599 			ret = mmio_info->write(vgpu, offset, &data, bytes);
3600 		}
3601 
3602 		/* higher 16bits of mode ctl regs are mask bits for change */
3603 		if (intel_gvt_mmio_has_mode_mask(gvt, mmio_info->offset)) {
3604 			u32 mask = vgpu_vreg(vgpu, offset) >> 16;
3605 
3606 			vgpu_vreg(vgpu, offset) = (old_vreg & ~mask)
3607 					| (vgpu_vreg(vgpu, offset) & mask);
3608 		}
3609 	}
3610 
3611 	return ret;
3612 
3613 default_rw:
3614 	return is_read ?
3615 		intel_vgpu_default_mmio_read(vgpu, offset, pdata, bytes) :
3616 		intel_vgpu_default_mmio_write(vgpu, offset, pdata, bytes);
3617 }
3618