[RFC 29/29] drm/i915: gvt: vGPU command scanner

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From: Yulei Zhang <yulei.zhang@xxxxxxxxx>

This patch introduces a command scanner to scan guest command buffers.

Signed-off-by: Yulei Zhang <yulei.zhang@xxxxxxxxx>
Signed-off-by: Zhi Wang <zhi.a.wang@xxxxxxxxx>
---
 drivers/gpu/drm/i915/gvt/Makefile     |    2 +-
 drivers/gpu/drm/i915/gvt/cmd_parser.c | 2018 +++++++++++++++++++++++++++++++++
 drivers/gpu/drm/i915/gvt/cmd_parser.h |  466 ++++++++
 drivers/gpu/drm/i915/gvt/debug.h      |    4 +
 drivers/gpu/drm/i915/gvt/gvt.c        |    4 +
 drivers/gpu/drm/i915/gvt/gvt.h        |    3 +
 drivers/gpu/drm/i915/gvt/interrupt.c  |   49 +
 drivers/gpu/drm/i915/gvt/interrupt.h  |    4 +
 drivers/gpu/drm/i915/gvt/perf.h       |    3 +
 drivers/gpu/drm/i915/gvt/scheduler.c  |    9 +
 drivers/gpu/drm/i915/gvt/scheduler.h  |    5 +-
 drivers/gpu/drm/i915/gvt/trace.h      |   52 +
 12 files changed, 2617 insertions(+), 2 deletions(-)
 create mode 100644 drivers/gpu/drm/i915/gvt/cmd_parser.c
 create mode 100644 drivers/gpu/drm/i915/gvt/cmd_parser.h

diff --git a/drivers/gpu/drm/i915/gvt/Makefile b/drivers/gpu/drm/i915/gvt/Makefile
index ccb0d32..6a631b6 100644
--- a/drivers/gpu/drm/i915/gvt/Makefile
+++ b/drivers/gpu/drm/i915/gvt/Makefile
@@ -1,7 +1,7 @@
 GVT_SOURCE := gvt.o params.o aperture_gm.o mmio.o handlers.o instance.o \
 		trace_points.o interrupt.o gtt.o cfg_space.o opregion.o utility.o \
 		fb_decoder.o display.o edid.o control.o execlist.o scheduler.o \
-		sched_policy.o render.o
+		sched_policy.o render.o cmd_parser.o
 
 ccflags-y			+= -I$(src) -I$(src)/.. -Wall -Werror -Wno-unused-function
 i915_gvt-y			:= $(GVT_SOURCE)
diff --git a/drivers/gpu/drm/i915/gvt/cmd_parser.c b/drivers/gpu/drm/i915/gvt/cmd_parser.c
new file mode 100644
index 0000000..d1bc9b0
--- /dev/null
+++ b/drivers/gpu/drm/i915/gvt/cmd_parser.c
@@ -0,0 +1,2018 @@
+/*
+ * Copyright(c) 2011-2016 Intel Corporation. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <linux/slab.h>
+#include "gvt.h"
+#include "trace.h"
+
+/* gvt uses below bits in NOOP_ID:
+ *	    bit 21 - 16 is command type.
+ *	    bit 15 - 0  holds command specific information.
+ *
+ * Assumption: Linux/Windows guest will not use bits 21 - bits 16 with
+ * non-zero value.
+ */
+#define GVT_NOOP_ID_CMD_SHIFT	16
+#define GVT_NOOP_ID_CMD_MASK	(0x3f << GVT_NOOP_ID_CMD_SHIFT)
+#define CMD_LENGTH_MASK		0xff
+#define gmadr_dw_number(s)	\
+	(s->vgt->pdev->device_info.gmadr_bytes_in_cmd >> 2)
+#define BIT_RANGE_MASK(a, b)	\
+	((1UL << ((a) + 1)) - (1UL << (b)))
+
+unsigned long bypass_scan_mask = 0;
+
+/* ring ALL, type = 0 */
+static struct sub_op_bits sub_op_mi[] = {
+	{31, 29},
+	{28, 23},
+};
+
+static struct decode_info decode_info_mi = {
+	"MI",
+	OP_LEN_MI,
+	ARRAY_SIZE(sub_op_mi),
+	sub_op_mi,
+};
+
+/* ring RCS, command type 2 */
+static struct sub_op_bits sub_op_2d[] = {
+	{31, 29},
+	{28, 22},
+};
+
+static struct decode_info decode_info_2d = {
+	"2D",
+	OP_LEN_2D,
+	ARRAY_SIZE(sub_op_2d),
+	sub_op_2d,
+};
+
+/* ring RCS, command type 3 */
+static struct sub_op_bits sub_op_3d_media[] = {
+	{31, 29},
+	{28, 27},
+	{26, 24},
+	{23, 16},
+};
+
+static struct decode_info decode_info_3d_media = {
+	"3D_Media",
+	OP_LEN_3D_MEDIA,
+	ARRAY_SIZE(sub_op_3d_media),
+	sub_op_3d_media,
+};
+
+/* ring VCS, command type 3 */
+static struct sub_op_bits sub_op_mfx_vc[] = {
+	{31, 29},
+	{28, 27},
+	{26, 24},
+	{23, 21},
+	{20, 16},
+};
+
+static struct decode_info decode_info_mfx_vc = {
+	"MFX_VC",
+	OP_LEN_MFX_VC,
+	ARRAY_SIZE(sub_op_mfx_vc),
+	sub_op_mfx_vc,
+};
+
+/* ring VECS, command type 3 */
+static struct sub_op_bits sub_op_vebox[] = {
+	{31, 29},
+	{28, 27},
+	{26, 24},
+	{23, 21},
+	{20, 16},
+};
+
+static struct decode_info decode_info_vebox = {
+	"VEBOX",
+	OP_LEN_VEBOX,
+	ARRAY_SIZE(sub_op_vebox),
+	sub_op_vebox,
+};
+
+static struct decode_info* ring_decode_info[I915_NUM_RINGS][8] = {
+	[RCS] = {
+		&decode_info_mi,
+		NULL,
+		NULL,
+		&decode_info_3d_media,
+		NULL,
+		NULL,
+		NULL,
+		NULL,
+	},
+
+	[VCS] = {
+		&decode_info_mi,
+		NULL,
+		NULL,
+		&decode_info_mfx_vc,
+		NULL,
+		NULL,
+		NULL,
+		NULL,
+	},
+
+	[BCS] = {
+		&decode_info_mi,
+		NULL,
+		&decode_info_2d,
+		NULL,
+		NULL,
+		NULL,
+		NULL,
+		NULL,
+	},
+
+	[VECS] = {
+		&decode_info_mi,
+		NULL,
+		NULL,
+		&decode_info_vebox,
+		NULL,
+		NULL,
+		NULL,
+		NULL,
+	},
+
+	[VCS2] = {
+		&decode_info_mi,
+		NULL,
+		NULL,
+		&decode_info_mfx_vc,
+		NULL,
+		NULL,
+		NULL,
+		NULL,
+	},
+};
+
+static inline u32 get_opcode(u32 cmd, int ring_id)
+{
+	struct decode_info * d_info;
+
+	if (ring_id >= I915_NUM_RINGS)
+		return INVALID_OP;
+
+	d_info = ring_decode_info[ring_id][CMD_TYPE(cmd)];
+	if (d_info == NULL)
+		return INVALID_OP;
+
+	return cmd >> (32 - d_info->op_len);
+}
+
+static inline struct cmd_info* find_cmd_entry(struct pgt_device *pdev,
+		unsigned int opcode, int ring_id)
+{
+	struct gvt_cmd_entry *e;
+
+	hash_for_each_possible(pdev->cmd_table, e, hlist, opcode) {
+		if ((opcode == e->info->opcode) && (e->info->rings & (1<<ring_id)))
+			return e->info;
+	}
+	return NULL;
+}
+
+static inline struct cmd_info* gvt_get_cmd_info(struct pgt_device *pdev,
+		u32 cmd, int ring_id)
+{
+	u32 opcode;
+
+	opcode = get_opcode(cmd, ring_id);
+	if (opcode == INVALID_OP) {
+		return NULL;
+	}
+
+	return find_cmd_entry(pdev, opcode, ring_id);
+}
+
+static inline u32 sub_op_val(u32 cmd, u32 hi, u32 low)
+{
+	return (cmd >> low) & ((1U << (hi-low+1)) - 1);
+}
+
+static inline void gvt_print_opcode(u32 cmd, int ring_id)
+{
+	struct decode_info * d_info;
+	int i;
+
+	if (ring_id >= I915_NUM_RINGS)
+		return;
+
+	d_info = ring_decode_info[ring_id][CMD_TYPE(cmd)];
+	if (d_info == NULL)
+		return;
+
+	gvt_err("opcode=0x%x %s sub_ops:", cmd >> (32 - d_info->op_len), d_info->name);
+
+	for (i = 0; i< d_info->nr_sub_op; i++)
+		printk("0x%x ", sub_op_val(cmd, d_info->sub_op[i].hi,  d_info->sub_op[i].low));
+
+	printk("\n");
+}
+
+static inline u32 *cmd_ptr(struct parser_exec_state *s, int index)
+{
+	return s->ip_va + (index << 2);
+}
+
+static inline u32 cmd_val(struct parser_exec_state *s, int index)
+{
+	return *cmd_ptr(s, index);
+}
+
+static void parser_exec_state_dump(struct parser_exec_state *s)
+{
+	gvt_err("  vgt%d RING%d: ring_start(%08lx) ring_end(%08lx)"
+			" ring_head(%08lx) ring_tail(%08lx)", s->vgt->id,
+			s->ring_id, s->ring_start, s->ring_start + s->ring_size, s->ring_head, s->ring_tail);
+
+	gvt_err("  %s %s ip_gma(%08lx) ",
+			s->buf_type == RING_BUFFER_INSTRUCTION ? "RING_BUFFER": "BATCH_BUFFER",
+			s->buf_addr_type == GTT_BUFFER ? "GTT" : "PPGTT", s->ip_gma);
+
+	if (s->ip_va == NULL) {
+		gvt_err(" ip_va(NULL)");
+	} else {
+		int cnt = 0;
+		gvt_err("  ip_va=%p: %08x %08x %08x %08x ",
+				s->ip_va, cmd_val(s, 0), cmd_val(s, 1), cmd_val(s, 2), cmd_val(s, 3));
+
+		gvt_print_opcode(cmd_val(s, 0), s->ring_id);
+
+		/* print the whole page to trace */
+		trace_printk("ERROR ip_va=%p: %08x %08x %08x %08x ",
+				s->ip_va, cmd_val(s, 0), cmd_val(s, 1), cmd_val(s, 2), cmd_val(s, 3));
+
+		s->ip_va = (u32*)((((u64)s->ip_va) >> 12) << 12);
+		while(cnt < 1024) {
+		trace_printk("DUMP ip_va=%p: %08x %08x %08x %08x %08x %08x %08x %08x ",
+				s->ip_va, cmd_val(s, 0), cmd_val(s, 1), cmd_val(s, 2), cmd_val(s, 3),
+				          cmd_val(s, 4), cmd_val(s, 5), cmd_val(s, 6), cmd_val(s, 7));
+
+			s->ip_va+=8;
+			cnt+=8;
+		}
+
+	}
+}
+
+static inline void update_ip_va(struct parser_exec_state *s)
+{
+	unsigned long len = 0;
+
+	ASSERT(s->ring_head != s->ring_tail);
+
+	if (s->buf_type == RING_BUFFER_INSTRUCTION) {
+		unsigned long ring_top = s->ring_start + s->ring_size;
+		if (s->ring_head > s->ring_tail) {
+			if (s->ip_gma >= s->ring_head && ring_top)
+				len = (s->ip_gma - s->ring_head);
+			else if (s->ip_gma >= s->ring_start &&
+					s->ip_gma <= s->ring_tail)
+				len = (ring_top - s->ring_head) +
+					(s->ip_gma - s->ring_start);
+		} else
+			len = (s->ip_gma - s->ring_head);
+
+		s->ip_va = s->rb_va + len;
+	} else {
+		/* shadow batch buffer */
+		ASSERT(0);
+	}
+}
+
+static inline int ip_gma_set(struct parser_exec_state *s, unsigned long ip_gma)
+{
+	ASSERT(!(ip_gma & (4 - 1)));
+
+	s->ip_gma = ip_gma;
+
+	update_ip_va(s);
+
+	return 0;
+}
+
+static inline int ip_gma_advance(struct parser_exec_state *s, unsigned int dw_len)
+{
+	int rc = 0;
+
+	s->ip_gma += (dw_len << 2);
+
+	if (s->buf_type == RING_BUFFER_INSTRUCTION) {
+		/* cross page, reset ip_va */
+		if (s->ip_gma >= s->ring_start + s->ring_size) {
+			s->ip_gma -= s->ring_size;
+		}
+	}
+
+	update_ip_va(s);
+
+	return rc;
+}
+
+static inline int get_cmd_length(struct cmd_info *info, u32 cmd)
+{
+	/*
+	 * MI_NOOP is special as the replacement elements. It's fixed
+	 * length in definition, but variable length when using for
+	 * replacement purpose. Instead of having the same handler
+	 * invoke twice (may be postponed), special case length
+	 * handling for MI_NOOP.
+	 */
+	if (info->opcode == OP_MI_NOOP) {
+		unsigned int subop, length = info->len;
+		subop = (cmd & GVT_NOOP_ID_CMD_MASK) >>
+			GVT_NOOP_ID_CMD_SHIFT;
+		if (subop)
+			length = cmd & CMD_LENGTH_MASK;
+
+		return length;
+	} else if ((info->flag & F_LEN_MASK) == F_LEN_CONST) {
+		return info->len;
+	} else /* F_LEN_VAR */{
+		return (cmd & ((1U << info->len) - 1)) + 2;
+	}
+}
+
+static inline int cmd_length(struct parser_exec_state *s)
+{
+	return get_cmd_length(s->info, cmd_val(s, 0));
+}
+
+/* do not remove this, some platform may need clflush here */
+#define patch_value(s, addr, val) do {\
+	*addr = val; \
+}while(0);
+
+static bool addr_audit_32(struct parser_exec_state *s, int index)
+{
+	/* TODO:
+	 * Add the address audit implementation here. Right now do nothing
+	 */
+	return true;
+}
+
+static inline bool address_audit(struct parser_exec_state *s, int index)
+{
+	int gmadr_bytes = s->vgt->pdev->device_info.gmadr_bytes_in_cmd;
+
+	/* TODO:
+	 * Add the address audit implementation here. Right now do nothing
+	 */
+	ASSERT(gmadr_bytes == 4 || gmadr_bytes == 8);
+
+	return true;
+}
+
+/*
+ * Actually, we don't like to emulate register behavior in LRI handlers,
+ * But DE_RRMR is an exception, even we can modify i915 to access
+ * DE_RRMR via MMIO, the 2D driver will also access it via submitted
+ * batch buffer.
+ *
+ * So we have no choice and have to handle it here, as windows is
+ * using deferred filp from gen8+, MI_DISPLAY_FLIP and MI_WAIT_FOR_EVENT
+ * will not be in the same submission. If a i915 submission modify
+ * DE_RRMR after the filp submission, the wait submission of windows
+ * will hang as the needed events are disabled by i915. Only modify i915
+ * will not work, as 2D driver(xf86-video-intel) also modify it directly.
+ * */
+
+static int cmd_handler_lri_de_rrmr(struct parser_exec_state *s)
+{
+
+	int i;
+	int cmd_len = cmd_length(s);
+	unsigned long offset;
+	unsigned long val;
+
+	for (i = 1; i < cmd_len; i += 2) {
+		offset = cmd_val(s, i) & BIT_RANGE_MASK(22, 2);
+		val = cmd_val(s, i + 1);
+
+		if (offset == _DERRMR)
+			break;
+	}
+
+	if (i == cmd_len) {
+		gvt_err("No DE_RRMR in LRI?");
+		return -EINVAL;
+	}
+
+	patch_value(s, cmd_ptr(s, i), 0);
+	patch_value(s, cmd_ptr(s, i + 1), 0);
+	return 0;
+}
+
+static bool is_shadowed_mmio(unsigned int offset)
+{
+	bool ret = false;
+	if ((offset == 0x2168) || /*BB current head register UDW */
+	    (offset == 0x2140) || /*BB current header register */
+	    (offset == 0x211c) || /*second BB header register UDW */
+	    (offset == 0x2114)) { /*second BB header register UDW */
+		ret = true;
+	}
+
+	return ret;
+}
+
+static int cmd_reg_handler(struct parser_exec_state *s,
+	unsigned int offset, unsigned int index, char *cmd)
+{
+	struct vgt_device *vgt = s->vgt;
+	struct pgt_device *pdev = vgt->pdev;
+	int rc = -1;
+
+	if (!reg_is_mmio(pdev, offset + 4)){
+		rc = -1;
+		goto reg_handle;
+	}
+
+	if (is_shadowed_mmio(offset)) {
+		gvt_warn("VM-%d: !!! Found access of shadowed MMIO<0x%x>!",
+			 s->vgt->vm_id, offset);
+	}
+
+reg_handle:
+	if (!rc)
+		reg_set_cmd_access(pdev, offset);
+	else {
+		gvt_err("%s access to non-render register (%x)", cmd, offset);
+	}
+
+	return 0;
+}
+
+static int gvt_cmd_handler_lri(struct parser_exec_state *s)
+{
+	unsigned long offset;
+	int i, rc = 0;
+	int cmd_len = cmd_length(s);
+
+	for (i = 1; i < cmd_len; i += 2) {
+		offset = cmd_val(s, i) & BIT_RANGE_MASK(22, 2);
+		rc |= cmd_reg_handler(s, offset, i, "lri");
+
+		if (IS_BROADWELL(s->vgt->pdev->dev_priv) && offset == _DERRMR) {
+			rc = cmd_handler_lri_de_rrmr(s);
+			if (rc) {
+				gvt_err("fail to handle lri de rrmr case");
+				break;
+			}
+		}
+	}
+
+	return rc;
+}
+
+static int gvt_cmd_handler_lrr(struct parser_exec_state *s)
+{
+	int i, rc = 0;
+	int cmd_len = cmd_length(s);
+
+	for (i = 1; i < cmd_len; i += 2) {
+		rc = cmd_reg_handler(s,
+			cmd_val(s, i) & BIT_RANGE_MASK(22, 2), i, "lrr-src");
+		rc |= cmd_reg_handler(s,
+			cmd_val(s, i+1) & BIT_RANGE_MASK(22, 2), i, "lrr-dst");
+	}
+
+	return rc;
+}
+
+static int gvt_cmd_handler_lrm(struct parser_exec_state *s)
+{
+	int i, rc = 0;
+	int cmd_len = cmd_length(s);
+
+	for (i = 1; i < cmd_len;) {
+		rc |= cmd_reg_handler(s,
+			cmd_val(s, i) & BIT_RANGE_MASK(22, 2), i, "lrm");
+		i += gmadr_dw_number(s) + 1;
+	}
+
+	return rc;
+}
+
+static int gvt_cmd_handler_srm(struct parser_exec_state *s)
+{
+	int i, rc = 0;
+	int cmd_len = cmd_length(s);
+
+	for (i = 1; i < cmd_len;) {
+		rc |= cmd_reg_handler(s,
+			cmd_val(s, i) & BIT_RANGE_MASK(22, 2), i, "srm");
+		i += gmadr_dw_number(s) + 1;
+	}
+
+	return rc;
+}
+
+static int gvt_cmd_handler_pipe_control(struct parser_exec_state *s)
+{
+	int i, rc = 0;
+	int cmd_len = cmd_length(s);
+
+
+	for (i = 1; i < cmd_len;) {
+		if (cmd_val(s, i) & PIPE_CONTROL_MMIO_WRITE)
+			rc |= cmd_reg_handler(s,
+				cmd_val(s, i+1) & BIT_RANGE_MASK(22, 2), i, "pipe_ctrl");
+		else if (cmd_val(s, i) & (2 << 14))
+			rc |= cmd_reg_handler(s, 0x2350, i, "pipe_ctrl");
+		else if (cmd_val(s, i) & (3 << 14))
+			rc |= cmd_reg_handler(s, _REG_RCS_TIMESTAMP, i, "pipe_ctrl");
+
+		if (!rc) {
+			if (cmd_val(s, i) & PIPE_CONTROL_NOTIFY) {
+				set_bit(gvt_ring_id_to_pipe_control_notify_event(s->ring_id),
+					s->workload->pending_events);
+			}
+		}
+		i += gmadr_dw_number(s) + 3;
+	}
+
+	return rc;
+}
+
+static int gvt_cmd_handler_mi_user_interrupt(struct parser_exec_state *s)
+{
+	set_bit(gvt_ring_id_to_mi_user_interrupt_event(s->ring_id), s->workload->pending_events);
+	return 0;
+}
+
+static int gvt_cmd_handler_mi_batch_buffer_end(struct parser_exec_state *s)
+{
+	int rc;
+
+	if (s->buf_type == BATCH_BUFFER_2ND_LEVEL) {
+		s->buf_type = BATCH_BUFFER_INSTRUCTION;
+		rc = ip_gma_set(s, s->ret_ip_gma_bb);
+		s->buf_addr_type = s->saved_buf_addr_type;
+	} else {
+		s->buf_type = RING_BUFFER_INSTRUCTION;
+		s->buf_addr_type = GTT_BUFFER;
+		rc = ip_gma_set(s, s->ret_ip_gma_ring);
+	}
+
+	return rc;
+}
+
+#define PLANE_SELECT_SHIFT	19
+#define PLANE_SELECT_MASK	(0x7 << PLANE_SELECT_SHIFT)
+#define SURF_MASK		0xFFFFF000
+#define PITCH_MASK		0x0000FFC0
+#define TILE_PARA_SHIFT		0x0
+#define TILE_PARA_MASK		0x1
+/* Primary plane and sprite plane has the same tile shift in control reg */
+#define PLANE_TILE_SHIFT	_PRI_PLANE_TILE_SHIFT
+#define PLANE_TILE_MASK		(0x1 << PLANE_TILE_SHIFT)
+#define FLIP_TYPE_MASK		0x3
+
+#define DISPLAY_FLIP_PLANE_A  0x0
+#define DISPLAY_FLIP_PLANE_B  0x1
+#define DISPLAY_FLIP_SPRITE_A  0x2
+#define DISPLAY_FLIP_SPRITE_B  0x3
+#define DISPLAY_FLIP_PLANE_C  0x4
+#define DISPLAY_FLIP_SPRITE_C  0x5
+
+/* The NOOP for MI_DISPLAY_FLIP has below information stored in NOOP_ID:
+ *
+ *	bit 21 - bit 16 is 0x14, opcode of MI_DISPLAY_FLIP;
+ *	bit 10 - bit 8  is plane select;
+ *	bit 7  - bit 0  is the cmd length
+ */
+#define PLANE_INFO_SHIFT	8
+#define PLANE_INFO_MASK		(0x7 << PLANE_INFO_SHIFT)
+
+static bool display_flip_decode_plane_info(u32  plane_code, enum pipe *pipe, enum gvt_plane_type *plane )
+{
+	switch (plane_code) {
+		case DISPLAY_FLIP_PLANE_A:
+			*pipe = PIPE_A;
+			*plane = PRIMARY_PLANE;
+			break;
+		case DISPLAY_FLIP_PLANE_B:
+			*pipe = PIPE_B;
+			*plane = PRIMARY_PLANE;
+			break;
+		case DISPLAY_FLIP_SPRITE_A:
+			*pipe = PIPE_A;
+			*plane = SPRITE_PLANE;
+			break;
+		case DISPLAY_FLIP_SPRITE_B:
+			*pipe = PIPE_B;
+			*plane = SPRITE_PLANE;
+			break;
+		case DISPLAY_FLIP_PLANE_C:
+			*pipe = PIPE_C;
+			*plane = PRIMARY_PLANE;
+			break;
+		case DISPLAY_FLIP_SPRITE_C:
+			*pipe = PIPE_C;
+			*plane = SPRITE_PLANE;
+			break;
+		default:
+			return false;
+	}
+
+	return true;
+
+}
+
+#define GET_INFO_FOR_FLIP(pipe, plane, 					\
+			ctrl_reg, surf_reg, stride_reg, stride_mask)	\
+do{									\
+	if (plane == PRIMARY_PLANE) {					\
+		ctrl_reg = GVT_DSPCNTR(pipe);				\
+		surf_reg = GVT_DSPSURF(pipe);				\
+		stride_reg = GVT_DSPSTRIDE(pipe);			\
+		stride_mask = _PRI_PLANE_STRIDE_MASK;			\
+	} else {							\
+		ASSERT (plane == SPRITE_PLANE);				\
+		ctrl_reg = GVT_SPRCTL(pipe);				\
+		surf_reg = GVT_SPRSURF(pipe);				\
+		stride_reg = GVT_SPRSTRIDE(pipe);			\
+		stride_mask = _SPRITE_STRIDE_MASK;			\
+	}								\
+}while(0);
+
+static bool gvt_flip_parameter_check(struct parser_exec_state *s,
+				u32 plane_code,
+				u32 stride_val,
+				u32 surf_val)
+{
+	enum pipe pipe = I915_MAX_PIPES;
+	enum gvt_plane_type plane = MAX_PLANE;
+	u32 surf_reg, ctrl_reg;
+	u32 stride_reg, stride_mask, phys_stride;
+	u32 tile_para, tile_in_ctrl;
+	bool async_flip;
+
+	if (!display_flip_decode_plane_info(plane_code, &pipe, &plane))
+		return false;
+
+	GET_INFO_FOR_FLIP(pipe, plane, ctrl_reg, surf_reg, stride_reg, stride_mask);
+
+	async_flip = ((surf_val & FLIP_TYPE_MASK) == 0x1);
+	tile_para = ((stride_val & TILE_PARA_MASK) >> TILE_PARA_SHIFT);
+	tile_in_ctrl = (__vreg(s->vgt, ctrl_reg) & PLANE_TILE_MASK)
+				>> PLANE_TILE_SHIFT;
+
+	phys_stride = __vreg(s->vgt, stride_reg);
+
+	if ((__vreg(s->vgt, stride_reg) & stride_mask)
+		!= (stride_val & PITCH_MASK)) {
+
+		if (async_flip) {
+			gvt_warn("Cannot change stride in async flip!");
+			return false;
+		}
+	}
+
+	if (tile_para != tile_in_ctrl) {
+
+		if (async_flip) {
+			gvt_warn("Cannot change tiling in async flip!");
+			return false;
+		}
+	}
+
+	return true;
+}
+
+static int gvt_handle_mi_display_flip(struct parser_exec_state *s)
+{
+	u32 surf_reg, surf_val, ctrl_reg;
+	u32 stride_reg, stride_val, stride_mask;
+	u32 tile_para;
+	u32 opcode, plane_code;
+	enum pipe pipe;
+	enum gvt_plane_type plane;
+	int length, rc = 0;
+	struct gvt_fb_notify_msg msg;
+	int i;
+
+	opcode = cmd_val(s, 0);
+	stride_val = cmd_val(s, 1);
+	surf_val = cmd_val(s, 2);
+
+	plane_code = (opcode & PLANE_SELECT_MASK) >> PLANE_SELECT_SHIFT;
+	length = cmd_length(s);
+
+	if (!display_flip_decode_plane_info(plane_code, &pipe, &plane)) {
+		goto wrong_command;
+	}
+
+	if (length == 4) {
+		gvt_warn("Page flip of Stereo 3D is not supported!");
+		goto wrong_command;
+	} else if (length != 3) {
+		gvt_warn("Flip length not equal to 3, ignore handling flipping");
+		goto wrong_command;
+	}
+
+	if ((pipe == I915_MAX_PIPES) || (plane == MAX_PLANE)) {
+		gvt_warn("Invalid pipe/plane in MI_DISPLAY_FLIP!");
+		goto wrong_command;
+	}
+
+	if (!gvt_flip_parameter_check(s, plane_code, stride_val, surf_val))
+		goto wrong_command;
+
+	GET_INFO_FOR_FLIP(pipe, plane,
+			ctrl_reg, surf_reg, stride_reg, stride_mask);
+	tile_para = ((stride_val & TILE_PARA_MASK) >> TILE_PARA_SHIFT);
+
+	__vreg(s->vgt, stride_reg) = (stride_val & stride_mask) |
+		(__vreg(s->vgt, stride_reg) & (~stride_mask));
+	__vreg(s->vgt, ctrl_reg) = (tile_para << PLANE_TILE_SHIFT) |
+		(__vreg(s->vgt, ctrl_reg) & (~PLANE_TILE_MASK));
+	__vreg(s->vgt, surf_reg) = (surf_val & SURF_MASK) |
+		(__vreg(s->vgt, surf_reg) & (~SURF_MASK));
+	__sreg(s->vgt, stride_reg) = __vreg(s->vgt, stride_reg);
+	__sreg(s->vgt, ctrl_reg) = __vreg(s->vgt, ctrl_reg);
+	__sreg(s->vgt, surf_reg) = __vreg(s->vgt, surf_reg);
+
+	__vreg(s->vgt, GVT_PIPE_FLIPCOUNT(pipe))++;
+
+	msg.vm_id = s->vgt->vm_id;
+	msg.pipe_id = pipe;
+	msg.plane_id = plane;
+	gvt_fb_notifier_call_chain(FB_DISPLAY_FLIP, &msg);
+
+	gvt_dbg_cmd("VM %d: mi_display_flip to be ignored",
+			s->vgt->vm_id);
+
+	for (i = 0; i < length; i ++)
+		patch_value(s, cmd_ptr(s, i), MI_NOOP);
+
+	gvt_inject_flip_done(s->vgt, pipe);
+
+	return rc;
+
+wrong_command:
+	for (i = 0; i < length; i ++)
+		patch_value(s, cmd_ptr(s, i), MI_NOOP);
+	return rc;
+}
+
+static int gvt_cmd_handler_mi_display_flip(struct parser_exec_state *s)
+{
+	addr_audit_32(s, 2);
+	return gvt_handle_mi_display_flip(s);
+}
+
+static bool is_wait_for_flip_pending(u32 cmd)
+{
+	return cmd & (MI_WAIT_FOR_PLANE_A_FLIP_PENDING |
+		MI_WAIT_FOR_PLANE_B_FLIP_PENDING |
+		MI_WAIT_FOR_PLANE_C_FLIP_PENDING |
+		MI_WAIT_FOR_SPRITE_A_FLIP_PENDING |
+		MI_WAIT_FOR_SPRITE_B_FLIP_PENDING |
+		MI_WAIT_FOR_SPRITE_C_FLIP_PENDING);
+}
+
+static int gvt_cmd_handler_mi_wait_for_event(struct parser_exec_state *s)
+{
+	int rc = 0;
+	u32 cmd = cmd_val(s, 0);
+
+	if (!is_wait_for_flip_pending(cmd))
+		return rc;
+
+	patch_value(s, cmd_ptr(s, 0), MI_NOOP);
+	return rc;
+}
+
+static unsigned long get_gma_bb_from_cmd(struct parser_exec_state *s, int index)
+{
+	unsigned long addr;
+	unsigned long gma_high, gma_low;
+	int gmadr_bytes = s->vgt->pdev->device_info.gmadr_bytes_in_cmd;
+
+	ASSERT(gmadr_bytes == 4 || gmadr_bytes == 8);
+
+	gma_low = cmd_val(s, index) & BATCH_BUFFER_ADDR_MASK;
+
+	if (gmadr_bytes == 4) {
+		addr = gma_low;
+	} else {
+		gma_high = cmd_val(s, index + 1) & BATCH_BUFFER_ADDR_HIGH_MASK;
+		addr = (((unsigned long)gma_high) << 32) | gma_low;
+	}
+
+	return addr;
+}
+
+static inline bool gvt_cmd_addr_audit_with_bitmap(struct parser_exec_state *s,
+			unsigned long addr_bitmap)
+{
+	unsigned int bit;
+	unsigned int delta = 0;
+	int cmd_len = cmd_length(s);
+
+	if (!addr_bitmap)
+		return true;
+
+	for_each_set_bit(bit, &addr_bitmap, sizeof(addr_bitmap)*8) {
+		if (bit + delta >= cmd_len)
+			return false;
+		address_audit(s, bit + delta);
+		delta = delta + gmadr_dw_number(s) - 1;
+	}
+
+	return true;
+}
+
+static int gvt_cmd_handler_mi_update_gtt(struct parser_exec_state *s)
+{
+	gvt_err("Unexpectted mi_update_gtt in VM command buffer");
+	return -1;
+}
+
+static int gvt_cmd_handler_mi_flush_dw(struct parser_exec_state *s)
+{
+	int i, len;
+	int offset = 1;
+
+	/* Check post-sync bit */
+	if ((cmd_val(s, 0) >> 14) & 0x3)
+		address_audit(s, offset);
+	offset += gmadr_dw_number(s);
+
+	/* Check notify bit */
+	if ((cmd_val(s,0) & (1 << 8)))
+		set_bit(gvt_ring_id_to_mi_flush_dw_event(s->ring_id), s->workload->pending_events);
+
+	len = cmd_length(s);
+	for (i = 2; i < len; i++) {
+		address_audit(s, offset);
+		offset += gmadr_dw_number(s);
+	}
+
+	return 0;
+}
+
+static void addr_type_update_snb(struct parser_exec_state* s)
+{
+	if ((s->buf_type == RING_BUFFER_INSTRUCTION) &&
+			(BATCH_BUFFER_ADR_SPACE_BIT(cmd_val(s, 0)) == 1)) {
+		s->buf_addr_type = PPGTT_BUFFER;
+	}
+}
+
+/*
+ * Check whether a batch buffer needs to be scanned. Currently
+ * the only criteria is based on privilege.
+ */
+static int batch_buffer_needs_scan(struct parser_exec_state *s)
+{
+	struct pgt_device *pdev = s->vgt->pdev;
+
+	return 0;
+
+	if (IS_BROADWELL(pdev->dev_priv)) {
+		if (s->ring_id == BCS)
+			return 0;
+		/* BDW decides privilege based on address space */
+		if (cmd_val(s, 0) & (1 << 8))
+			return 0;
+	}
+
+	return 1;
+}
+
+static int gvt_cmd_handler_mi_batch_buffer_start(struct parser_exec_state *s)
+{
+	int rc = 0;
+	bool second_level;
+
+	if (s->buf_type == BATCH_BUFFER_2ND_LEVEL) {
+		gvt_err("MI_BATCH_BUFFER_START not allowd in 2nd level batch buffer");
+		return -EINVAL;
+	}
+
+	second_level = BATCH_BUFFER_2ND_LEVEL_BIT(cmd_val(s, 0)) == 1;
+	if (second_level && (s->buf_type != BATCH_BUFFER_INSTRUCTION)) {
+		gvt_err("Jumping to 2nd level batch buffer from ring buffer is not allowd");
+		return -EINVAL;
+	}
+
+	s->saved_buf_addr_type = s->buf_addr_type;
+
+	addr_type_update_snb(s);
+
+	if (s->buf_type == RING_BUFFER_INSTRUCTION) {
+		s->ret_ip_gma_ring = s->ip_gma + cmd_length(s) * sizeof(u32);
+		s->buf_type = BATCH_BUFFER_INSTRUCTION;
+	} else if (second_level) {
+		s->buf_type = BATCH_BUFFER_2ND_LEVEL;
+		s->ret_ip_gma_bb = s->ip_gma + cmd_length(s) * sizeof(u32);
+	}
+
+	address_audit(s, 1);
+
+	if (batch_buffer_needs_scan(s)) {
+		rc = ip_gma_set(s, get_gma_bb_from_cmd(s, 1));
+		if (rc < 0)
+			gvt_warn("invalid batch buffer addr, so skip scanning it");
+	} else {
+		struct gvt_statistics *stat = &s->vgt->stat;
+
+		stat->skip_bb_cnt++;
+		/* emulate a batch buffer end to do return right */
+		rc = gvt_cmd_handler_mi_batch_buffer_end(s);
+		if (rc < 0)
+			gvt_err("skip batch buffer error");
+	}
+
+	return rc;
+}
+
+static int gvt_cmd_handler_3dstate_vertex_buffers(struct parser_exec_state *s)
+{
+	int length, offset;
+
+	length = cmd_length(s);
+
+	for (offset = 1; offset < length; offset += 4) {
+		address_audit(s, offset + 1);
+		address_audit(s, offset + 2);
+	}
+
+	return 0;
+}
+
+static int gvt_cmd_handler_3dstate_vertex_buffers_bdw(struct parser_exec_state *s)
+{
+	int length, offset;
+
+	length = cmd_length(s);
+
+	for (offset = 1; offset < length; offset += 4) {
+		address_audit(s, offset + 1);
+	}
+
+	return 0;
+}
+
+static int gvt_cmd_handler_3dstate_index_buffer(struct parser_exec_state *s)
+{
+	address_audit(s, 1);
+
+	if (cmd_val(s, 2) != 0)
+		address_audit(s, 2);
+
+	return 0;
+}
+
+static int gvt_cmd_handler_3dstate_constant(struct parser_exec_state *s)
+{
+	int offset = 3;
+	int cmd_len = cmd_length(s);
+
+	while (offset < cmd_len) {
+		address_audit(s, offset);
+		offset += gmadr_dw_number(s);
+	}
+
+	return 0;
+}
+
+static int gvt_cmd_handler_mfx_pipe_buf_addr_state(struct parser_exec_state *s)
+{
+	/*  address pattern of the command is like below:
+	 *  from bit0: "01010101 01010111 11111111 11111010 1010"
+	 */
+	gvt_cmd_addr_audit_with_bitmap(s, 0x055fffeaaaUL);
+
+	return 0;
+}
+
+static int gvt_cmd_handler_mfx_ind_obj_base_addr_state(struct parser_exec_state *s)
+{
+	/*  address pattern of the command is like below:
+	 *  from bit0: "10110110 11011010"
+	 */
+	gvt_cmd_addr_audit_with_bitmap(s, 0x5b6d);
+
+	return 0;
+}
+
+static inline int base_and_upper_addr_fix(struct parser_exec_state *s)
+{
+	address_audit(s, 1);
+	/* Zero Bound is ignore */
+	if (cmd_val(s, 2) >> 12)
+		address_audit(s, 2);
+	return 0;
+}
+
+static int gvt_cmd_handler_mfx_2_6_0_0(struct parser_exec_state *s)
+{
+	base_and_upper_addr_fix(s);
+	address_audit(s, 2);
+	return 0;
+}
+
+static struct cmd_info cmd_info[] = {
+	{"MI_NOOP", OP_MI_NOOP, F_LEN_CONST|F_POST_HANDLE, R_ALL, D_ALL, 0, 1, NULL},
+
+	{"MI_SET_PREDICATE", OP_MI_SET_PREDICATE, F_LEN_CONST, R_ALL, D_ALL,
+		0, 1, NULL},
+
+	{"MI_USER_INTERRUPT", OP_MI_USER_INTERRUPT, F_LEN_CONST, R_ALL, D_ALL, 0, 1, gvt_cmd_handler_mi_user_interrupt},
+
+	{"MI_WAIT_FOR_EVENT", OP_MI_WAIT_FOR_EVENT, F_LEN_CONST | F_POST_HANDLE, R_RCS | R_BCS,
+		D_ALL, 0, 1, gvt_cmd_handler_mi_wait_for_event},
+
+	{"MI_FLUSH", OP_MI_FLUSH, F_LEN_CONST, R_ALL, D_ALL, 0, 1, NULL},
+
+	{"MI_ARB_CHECK", OP_MI_ARB_CHECK, F_LEN_CONST, R_ALL, D_ALL, 0, 1, NULL},
+
+	{"MI_RS_CONTROL", OP_MI_RS_CONTROL, F_LEN_CONST, R_RCS, D_ALL, 0, 1, NULL},
+
+	{"MI_REPORT_HEAD", OP_MI_REPORT_HEAD, F_LEN_CONST, R_ALL, D_ALL, 0, 1, NULL},
+
+	{"MI_ARB_ON_OFF", OP_MI_ARB_ON_OFF, F_LEN_CONST, R_ALL, D_ALL, 0, 1, NULL},
+
+	{"MI_URB_ATOMIC_ALLOC", OP_MI_URB_ATOMIC_ALLOC, F_LEN_CONST, R_RCS,
+		D_ALL, 0, 1, NULL},
+
+	{"MI_BATCH_BUFFER_END", OP_MI_BATCH_BUFFER_END, F_IP_ADVANCE_CUSTOM|F_LEN_CONST,
+		R_ALL, D_ALL, 0, 1, gvt_cmd_handler_mi_batch_buffer_end},
+
+	{"MI_SUSPEND_FLUSH", OP_MI_SUSPEND_FLUSH, F_LEN_CONST, R_ALL, D_ALL, 0, 1, NULL},
+
+	{"MI_PREDICATE", OP_MI_PREDICATE, F_LEN_CONST, R_RCS, D_ALL, 0, 1, NULL},
+
+	{"MI_TOPOLOGY_FILTER", OP_MI_TOPOLOGY_FILTER, F_LEN_CONST, R_ALL,
+		D_ALL, 0, 1, NULL},
+
+	{"MI_SET_APPID", OP_MI_SET_APPID, F_LEN_CONST, R_ALL, D_ALL, 0, 1, NULL},
+
+	{"MI_RS_CONTEXT", OP_MI_RS_CONTEXT, F_LEN_CONST, R_RCS, D_ALL, 0, 1, NULL},
+
+	{"MI_DISPLAY_FLIP", OP_MI_DISPLAY_FLIP, F_LEN_VAR|F_POST_HANDLE, R_RCS | R_BCS,
+		D_ALL, 0, 8, gvt_cmd_handler_mi_display_flip},
+
+	{"MI_SEMAPHORE_MBOX", OP_MI_SEMAPHORE_MBOX, F_LEN_VAR, R_ALL, D_ALL, 0, 8, NULL },
+
+	{"MI_MATH", OP_MI_MATH, F_LEN_VAR, R_ALL, D_ALL, 0, 8, NULL},
+
+	{"MI_URB_CLEAR", OP_MI_URB_CLEAR, F_LEN_VAR, R_RCS, D_ALL, 0, 8, NULL},
+
+	{"ME_SEMAPHORE_SIGNAL", OP_MI_SEMAPHORE_SIGNAL, F_LEN_VAR, R_ALL, D_BDW, 0, 8, NULL},
+
+	{"ME_SEMAPHORE_WAIT", OP_MI_SEMAPHORE_WAIT, F_LEN_VAR, R_ALL, D_BDW, ADDR_FIX_1(2), 8, NULL},
+
+	{"MI_STORE_DATA_IMM", OP_MI_STORE_DATA_IMM, F_LEN_VAR, R_ALL, D_BDW,
+		ADDR_FIX_1(1), 10, NULL},
+
+	{"MI_STORE_DATA_INDEX", OP_MI_STORE_DATA_INDEX, F_LEN_VAR, R_ALL, D_ALL,
+		0, 8, NULL},
+
+	{"MI_LOAD_REGISTER_IMM", OP_MI_LOAD_REGISTER_IMM, F_LEN_VAR, R_ALL, D_ALL, 0, 8, gvt_cmd_handler_lri},
+
+	{"MI_UPDATE_GTT", OP_MI_UPDATE_GTT, F_LEN_VAR, R_ALL, D_BDW,
+		0, 10, gvt_cmd_handler_mi_update_gtt},
+
+	{"MI_STORE_REGISTER_MEM", OP_MI_STORE_REGISTER_MEM, F_LEN_VAR, R_ALL, D_ALL,
+		ADDR_FIX_1(2), 8, gvt_cmd_handler_srm},
+
+	{"MI_FLUSH_DW", OP_MI_FLUSH_DW, F_LEN_VAR, R_ALL, D_ALL,
+		0, 6, gvt_cmd_handler_mi_flush_dw},
+
+	{"MI_CLFLUSH", OP_MI_CLFLUSH, F_LEN_VAR, R_ALL, D_ALL,
+		ADDR_FIX_1(1), 10, NULL},
+
+	{"MI_REPORT_PERF_COUNT", OP_MI_REPORT_PERF_COUNT, F_LEN_VAR, R_ALL, D_ALL,
+		ADDR_FIX_1(1), 6, NULL},
+
+	{"MI_LOAD_REGISTER_MEM", OP_MI_LOAD_REGISTER_MEM, F_LEN_VAR, R_ALL, D_ALL,
+		ADDR_FIX_1(2), 8, gvt_cmd_handler_lrm},
+
+	{"MI_LOAD_REGISTER_REG", OP_MI_LOAD_REGISTER_REG, F_LEN_VAR, R_ALL, D_ALL,
+		0, 8, gvt_cmd_handler_lrr},
+
+	{"MI_RS_STORE_DATA_IMM", OP_MI_RS_STORE_DATA_IMM, F_LEN_VAR, R_RCS, D_ALL,
+		0, 8, NULL},
+
+	{"MI_LOAD_URB_MEM", OP_MI_LOAD_URB_MEM, F_LEN_VAR, R_RCS, D_ALL,
+		ADDR_FIX_1(2), 8, NULL},
+
+	{"MI_STORE_URM_MEM", OP_MI_STORE_URM_MEM, F_LEN_VAR, R_RCS, D_ALL,
+		ADDR_FIX_1(2), 8, NULL},
+
+	{"MI_OP_2E", OP_MI_2E, F_LEN_VAR, R_ALL, D_BDW, ADDR_FIX_2(1, 2), 8, NULL},
+
+	{"MI_OP_2F", OP_MI_2F, F_LEN_VAR, R_ALL, D_BDW, ADDR_FIX_1(1), 8, NULL},
+
+	{"MI_BATCH_BUFFER_START", OP_MI_BATCH_BUFFER_START, F_IP_ADVANCE_CUSTOM,
+		R_ALL, D_ALL, 0, 8, gvt_cmd_handler_mi_batch_buffer_start},
+
+	{"MI_CONDITIONAL_BATCH_BUFFER_END", OP_MI_CONDITIONAL_BATCH_BUFFER_END,
+		F_LEN_VAR, R_ALL, D_ALL, ADDR_FIX_1(2), 8, NULL},
+
+	{"MI_LOAD_SCAN_LINES_INCL", OP_MI_LOAD_SCAN_LINES_INCL, F_LEN_CONST, R_RCS | R_BCS, D_ALL,
+		0, 2, NULL},
+
+	{"XY_SETUP_BLT", OP_XY_SETUP_BLT, F_LEN_VAR, R_BCS, D_ALL,
+		ADDR_FIX_2(4, 7), 8, NULL},
+
+	{"XY_SETUP_CLIP_BLT", OP_XY_SETUP_CLIP_BLT, F_LEN_VAR, R_BCS, D_ALL,
+		0, 8, NULL},
+
+	{"XY_SETUP_MONO_PATTERN_SL_BLT", OP_XY_SETUP_MONO_PATTERN_SL_BLT, F_LEN_VAR,
+		R_BCS, D_ALL, ADDR_FIX_1(4), 8, NULL},
+
+	{"XY_PIXEL_BLT", OP_XY_PIXEL_BLT, F_LEN_VAR, R_BCS, D_ALL, 0, 8, NULL},
+
+	{"XY_SCANLINES_BLT", OP_XY_SCANLINES_BLT, F_LEN_VAR, R_BCS, D_ALL,
+		0, 8, NULL},
+
+	{"XY_TEXT_BLT", OP_XY_TEXT_BLT, F_LEN_VAR, R_BCS, D_ALL,
+		ADDR_FIX_1(3), 8, NULL},
+
+	{"XY_TEXT_IMMEDIATE_BLT", OP_XY_TEXT_IMMEDIATE_BLT, F_LEN_VAR, R_BCS,
+		D_ALL, 0, 8, NULL},
+
+	{"XY_COLOR_BLT", OP_XY_COLOR_BLT, F_LEN_VAR, R_BCS, D_ALL,
+		ADDR_FIX_1(4), 8, NULL},
+
+	{"XY_PAT_BLT", OP_XY_PAT_BLT, F_LEN_VAR, R_BCS, D_ALL,
+		ADDR_FIX_2(4, 5), 8, NULL},
+
+	{"XY_MONO_PAT_BLT", OP_XY_MONO_PAT_BLT, F_LEN_VAR, R_BCS, D_ALL,
+		ADDR_FIX_1(4), 8, NULL},
+
+	{"XY_SRC_COPY_BLT", OP_XY_SRC_COPY_BLT, F_LEN_VAR, R_BCS, D_ALL,
+		ADDR_FIX_2(4, 7), 8, NULL},
+
+	{"XY_MONO_SRC_COPY_BLT", OP_XY_MONO_SRC_COPY_BLT, F_LEN_VAR, R_BCS,
+		D_ALL, ADDR_FIX_2(4, 5), 8, NULL},
+
+	{"XY_FULL_BLT", OP_XY_FULL_BLT, F_LEN_VAR, R_BCS, D_ALL, 0, 8, NULL},
+
+	{"XY_FULL_MONO_SRC_BLT", OP_XY_FULL_MONO_SRC_BLT, F_LEN_VAR, R_BCS, D_ALL,
+		ADDR_FIX_3(4, 5, 8), 8, NULL},
+
+	{"XY_FULL_MONO_PATTERN_BLT", OP_XY_FULL_MONO_PATTERN_BLT, F_LEN_VAR,
+		R_BCS, D_ALL, ADDR_FIX_2(4, 7), 8, NULL},
+
+	{"XY_FULL_MONO_PATTERN_MONO_SRC_BLT", OP_XY_FULL_MONO_PATTERN_MONO_SRC_BLT,
+		F_LEN_VAR, R_BCS, D_ALL, ADDR_FIX_2(4, 5), 8, NULL},
+
+	{"XY_MONO_PAT_FIXED_BLT", OP_XY_MONO_PAT_FIXED_BLT, F_LEN_VAR, R_BCS, D_ALL,
+		ADDR_FIX_1(4), 8, NULL},
+
+	{"XY_MONO_SRC_COPY_IMMEDIATE_BLT", OP_XY_MONO_SRC_COPY_IMMEDIATE_BLT,
+		F_LEN_VAR, R_BCS, D_ALL, ADDR_FIX_1(4), 8, NULL},
+
+	{"XY_PAT_BLT_IMMEDIATE", OP_XY_PAT_BLT_IMMEDIATE, F_LEN_VAR, R_BCS,
+		D_ALL, ADDR_FIX_1(4), 8, NULL},
+
+	{"XY_SRC_COPY_CHROMA_BLT", OP_XY_SRC_COPY_CHROMA_BLT, F_LEN_VAR, R_BCS,
+		D_ALL, ADDR_FIX_2(4, 7), 8, NULL},
+
+	{"XY_FULL_IMMEDIATE_PATTERN_BLT", OP_XY_FULL_IMMEDIATE_PATTERN_BLT,
+		F_LEN_VAR, R_BCS, D_ALL, ADDR_FIX_2(4, 7), 8, NULL},
+
+	{"XY_FULL_MONO_SRC_IMMEDIATE_PATTERN_BLT", OP_XY_FULL_MONO_SRC_IMMEDIATE_PATTERN_BLT,
+		F_LEN_VAR, R_BCS, D_ALL, ADDR_FIX_2(4, 5), 8, NULL},
+
+	{"XY_PAT_CHROMA_BLT", OP_XY_PAT_CHROMA_BLT, F_LEN_VAR, R_BCS, D_ALL,
+		ADDR_FIX_2(4, 5), 8, NULL},
+
+	{"XY_PAT_CHROMA_BLT_IMMEDIATE", OP_XY_PAT_CHROMA_BLT_IMMEDIATE, F_LEN_VAR,
+		R_BCS, D_ALL, ADDR_FIX_1(4), 8, NULL},
+
+	{"3DSTATE_VIEWPORT_STATE_POINTERS_SF_CLIP", OP_3DSTATE_VIEWPORT_STATE_POINTERS_SF_CLIP,
+		F_LEN_VAR, R_RCS, D_ALL, 0, 8, NULL},
+
+	{"3DSTATE_VIEWPORT_STATE_POINTERS_CC", OP_3DSTATE_VIEWPORT_STATE_POINTERS_CC,
+		F_LEN_VAR, R_RCS, D_ALL, 0, 8, NULL},
+
+	{"3DSTATE_BLEND_STATE_POINTERS", OP_3DSTATE_BLEND_STATE_POINTERS,
+		F_LEN_VAR, R_RCS, D_ALL, 0, 8, NULL},
+
+	{"3DSTATE_DEPTH_STENCIL_STATE_POINTERS", OP_3DSTATE_DEPTH_STENCIL_STATE_POINTERS,
+		F_LEN_VAR, R_RCS, D_ALL, 0, 8, NULL},
+
+	{"3DSTATE_BINDING_TABLE_POINTERS_VS", OP_3DSTATE_BINDING_TABLE_POINTERS_VS,
+		F_LEN_VAR, R_RCS, D_ALL, 0, 8, NULL},
+
+	{"3DSTATE_BINDING_TABLE_POINTERS_HS", OP_3DSTATE_BINDING_TABLE_POINTERS_HS,
+		F_LEN_VAR, R_RCS, D_ALL, 0, 8, NULL},
+
+	{"3DSTATE_BINDING_TABLE_POINTERS_DS", OP_3DSTATE_BINDING_TABLE_POINTERS_DS,
+		F_LEN_VAR, R_RCS, D_ALL, 0, 8, NULL},
+
+	{"3DSTATE_BINDING_TABLE_POINTERS_GS", OP_3DSTATE_BINDING_TABLE_POINTERS_GS,
+		F_LEN_VAR, R_RCS, D_ALL, 0, 8, NULL},
+
+	{"3DSTATE_BINDING_TABLE_POINTERS_PS", OP_3DSTATE_BINDING_TABLE_POINTERS_PS,
+		F_LEN_VAR, R_RCS, D_ALL, 0, 8, NULL},
+
+	{"3DSTATE_SAMPLER_STATE_POINTERS_VS", OP_3DSTATE_SAMPLER_STATE_POINTERS_VS,
+		F_LEN_VAR, R_RCS, D_ALL, 0, 8, NULL},
+
+	{"3DSTATE_SAMPLER_STATE_POINTERS_HS", OP_3DSTATE_SAMPLER_STATE_POINTERS_HS,
+		F_LEN_VAR, R_RCS, D_ALL, 0, 8, NULL},
+
+	{"3DSTATE_SAMPLER_STATE_POINTERS_DS", OP_3DSTATE_SAMPLER_STATE_POINTERS_DS,
+		F_LEN_VAR, R_RCS, D_ALL, 0, 8, NULL},
+
+	{"3DSTATE_SAMPLER_STATE_POINTERS_GS", OP_3DSTATE_SAMPLER_STATE_POINTERS_GS,
+		F_LEN_VAR, R_RCS, D_ALL, 0, 8, NULL},
+
+	{"3DSTATE_SAMPLER_STATE_POINTERS_PS", OP_3DSTATE_SAMPLER_STATE_POINTERS_PS,
+		F_LEN_VAR, R_RCS, D_ALL, 0, 8, NULL},
+
+	{"3DSTATE_URB_VS", OP_3DSTATE_URB_VS, F_LEN_VAR, R_RCS, D_ALL,
+		0, 8, NULL},
+
+	{"3DSTATE_URB_HS", OP_3DSTATE_URB_HS, F_LEN_VAR, R_RCS, D_ALL,
+		0, 8, NULL},
+
+	{"3DSTATE_URB_DS", OP_3DSTATE_URB_DS, F_LEN_VAR, R_RCS, D_ALL,
+		0, 8, NULL},
+
+	{"3DSTATE_URB_GS", OP_3DSTATE_URB_GS, F_LEN_VAR, R_RCS, D_ALL,
+		0, 8, NULL},
+
+	{"3DSTATE_GATHER_CONSTANT_VS", OP_3DSTATE_GATHER_CONSTANT_VS,
+		F_LEN_VAR, R_RCS, D_ALL, 0, 8, NULL},
+
+	{"3DSTATE_GATHER_CONSTANT_GS", OP_3DSTATE_GATHER_CONSTANT_GS,
+		F_LEN_VAR, R_RCS, D_ALL, 0, 8, NULL},
+
+	{"3DSTATE_GATHER_CONSTANT_HS", OP_3DSTATE_GATHER_CONSTANT_HS,
+		F_LEN_VAR, R_RCS, D_ALL, 0, 8, NULL},
+
+	{"3DSTATE_GATHER_CONSTANT_DS", OP_3DSTATE_GATHER_CONSTANT_DS,
+		F_LEN_VAR, R_RCS, D_ALL, 0, 8, NULL},
+
+	{"3DSTATE_GATHER_CONSTANT_PS", OP_3DSTATE_GATHER_CONSTANT_PS,
+		F_LEN_VAR, R_RCS, D_ALL, 0, 8, NULL},
+
+	{"3DSTATE_DX9_CONSTANTF_VS", OP_3DSTATE_DX9_CONSTANTF_VS,
+		F_LEN_VAR, R_RCS, D_ALL, 0, 11, NULL},
+
+	{"3DSTATE_DX9_CONSTANTF_PS", OP_3DSTATE_DX9_CONSTANTF_PS,
+		F_LEN_VAR, R_RCS, D_ALL, 0, 11, NULL},
+
+	{"3DSTATE_DX9_CONSTANTI_VS", OP_3DSTATE_DX9_CONSTANTI_VS,
+		F_LEN_VAR, R_RCS, D_ALL, 0, 8, NULL},
+
+	{"3DSTATE_DX9_CONSTANTI_PS", OP_3DSTATE_DX9_CONSTANTI_PS,
+		F_LEN_VAR, R_RCS, D_ALL, 0, 8, NULL},
+
+	{"3DSTATE_DX9_CONSTANTB_VS", OP_3DSTATE_DX9_CONSTANTB_VS,
+		F_LEN_VAR, R_RCS, D_ALL, 0, 8, NULL},
+
+	{"3DSTATE_DX9_CONSTANTB_PS", OP_3DSTATE_DX9_CONSTANTB_PS,
+		F_LEN_VAR, R_RCS, D_ALL, 0, 8, NULL},
+
+	{"3DSTATE_DX9_LOCAL_VALID_VS", OP_3DSTATE_DX9_LOCAL_VALID_VS,
+		F_LEN_VAR, R_RCS, D_ALL, 0, 8, NULL},
+
+	{"3DSTATE_DX9_LOCAL_VALID_PS", OP_3DSTATE_DX9_LOCAL_VALID_PS,
+		F_LEN_VAR, R_RCS, D_ALL, 0, 8, NULL},
+
+	{"3DSTATE_DX9_GENERATE_ACTIVE_VS", OP_3DSTATE_DX9_GENERATE_ACTIVE_VS,
+		F_LEN_VAR, R_RCS, D_ALL, 0, 8, NULL},
+
+	{"3DSTATE_DX9_GENERATE_ACTIVE_PS", OP_3DSTATE_DX9_GENERATE_ACTIVE_PS,
+		F_LEN_VAR, R_RCS, D_ALL, 0, 8, NULL},
+
+	{"3DSTATE_BINDING_TABLE_EDIT_VS", OP_3DSTATE_BINDING_TABLE_EDIT_VS,
+		F_LEN_VAR, R_RCS, D_ALL, 0, 9, NULL},
+
+	{"3DSTATE_BINDING_TABLE_EDIT_GS", OP_3DSTATE_BINDING_TABLE_EDIT_GS,
+		F_LEN_VAR, R_RCS, D_ALL, 0, 9, NULL},
+
+	{"3DSTATE_BINDING_TABLE_EDIT_HS", OP_3DSTATE_BINDING_TABLE_EDIT_HS,
+		F_LEN_VAR, R_RCS, D_ALL, 0, 9, NULL},
+
+	{"3DSTATE_BINDING_TABLE_EDIT_DS", OP_3DSTATE_BINDING_TABLE_EDIT_DS,
+		F_LEN_VAR, R_RCS, D_ALL, 0, 9, NULL},
+
+	{"3DSTATE_BINDING_TABLE_EDIT_PS", OP_3DSTATE_BINDING_TABLE_EDIT_PS,
+		F_LEN_VAR, R_RCS, D_ALL, 0, 9, NULL},
+
+	{"3DSTATE_VF_INSTANCING", OP_3DSTATE_VF_INSTANCING, F_LEN_VAR, R_RCS, D_BDW, 0, 8, NULL},
+
+	{"3DSTATE_VF_SGVS", OP_3DSTATE_VF_SGVS, F_LEN_VAR, R_RCS, D_BDW, 0, 8, NULL},
+
+	{"3DSTATE_VF_TOPOLOGY", OP_3DSTATE_VF_TOPOLOGY, F_LEN_VAR, R_RCS, D_BDW, 0, 8, NULL},
+
+	{"3DSTATE_WM_CHROMAKEY", OP_3DSTATE_WM_CHROMAKEY, F_LEN_VAR, R_RCS, D_BDW, 0, 8, NULL},
+
+	{"3DSTATE_PS_BLEND", OP_3DSTATE_PS_BLEND, F_LEN_VAR, R_RCS, D_BDW, 0, 8, NULL},
+
+	{"3DSTATE_WM_DEPTH_STENCIL", OP_3DSTATE_WM_DEPTH_STENCIL, F_LEN_VAR, R_RCS, D_BDW, 0, 8, NULL},
+
+	{"3DSTATE_PS_EXTRA", OP_3DSTATE_PS_EXTRA, F_LEN_VAR, R_RCS, D_BDW, 0, 8, NULL},
+
+	{"3DSTATE_RASTER", OP_3DSTATE_RASTER, F_LEN_VAR, R_RCS, D_BDW, 0, 8, NULL},
+
+	{"3DSTATE_SBE_SWIZ", OP_3DSTATE_SBE_SWIZ, F_LEN_VAR, R_RCS, D_BDW, 0, 8, NULL},
+
+	{"3DSTATE_WM_HZ_OP", OP_3DSTATE_WM_HZ_OP, F_LEN_VAR, R_RCS, D_BDW, 0, 8, NULL},
+
+	{"3DSTATE_VERTEX_BUFFERS", OP_3DSTATE_VERTEX_BUFFERS, F_LEN_VAR, R_RCS,
+		D_BDW, 0, 8, gvt_cmd_handler_3dstate_vertex_buffers_bdw},
+
+	{"3DSTATE_VERTEX_ELEMENTS", OP_3DSTATE_VERTEX_ELEMENTS, F_LEN_VAR, R_RCS,
+		D_ALL, 0, 8, NULL},
+
+	{"3DSTATE_INDEX_BUFFER", OP_3DSTATE_INDEX_BUFFER, F_LEN_VAR, R_RCS,
+		D_BDW, ADDR_FIX_1(2), 8, NULL},
+
+	{"3DSTATE_VF_STATISTICS", OP_3DSTATE_VF_STATISTICS, F_LEN_CONST,
+		R_RCS, D_ALL, 0, 1, NULL},
+
+	{"3DSTATE_VF", OP_3DSTATE_VF, F_LEN_VAR, R_RCS, D_ALL, 0, 8, NULL},
+
+	{"3DSTATE_CC_STATE_POINTERS", OP_3DSTATE_CC_STATE_POINTERS, F_LEN_VAR,
+		R_RCS, D_ALL, 0, 8, NULL},
+
+	{"3DSTATE_SCISSOR_STATE_POINTERS", OP_3DSTATE_SCISSOR_STATE_POINTERS,
+		F_LEN_VAR, R_RCS, D_ALL, 0, 8, NULL},
+
+	{"3DSTATE_GS", OP_3DSTATE_GS, F_LEN_VAR, R_RCS, D_ALL, 0, 8, NULL},
+
+	{"3DSTATE_CLIP", OP_3DSTATE_CLIP, F_LEN_VAR, R_RCS, D_ALL, 0, 8, NULL},
+
+	{"3DSTATE_WM", OP_3DSTATE_WM, F_LEN_VAR, R_RCS, D_ALL, 0, 8, NULL},
+
+	{"3DSTATE_CONSTANT_GS", OP_3DSTATE_CONSTANT_GS, F_LEN_VAR, R_RCS,
+		D_BDW, 0, 8, gvt_cmd_handler_3dstate_constant},
+
+	{"3DSTATE_CONSTANT_PS", OP_3DSTATE_CONSTANT_PS, F_LEN_VAR, R_RCS,
+		D_BDW, 0, 8, gvt_cmd_handler_3dstate_constant},
+
+	{"3DSTATE_SAMPLE_MASK", OP_3DSTATE_SAMPLE_MASK, F_LEN_VAR, R_RCS,
+		D_ALL, 0, 8, NULL},
+
+	{"3DSTATE_CONSTANT_HS", OP_3DSTATE_CONSTANT_HS, F_LEN_VAR, R_RCS,
+		D_BDW, 0, 8, gvt_cmd_handler_3dstate_constant},
+
+	{"3DSTATE_CONSTANT_DS", OP_3DSTATE_CONSTANT_DS, F_LEN_VAR, R_RCS,
+		D_BDW, 0, 8, gvt_cmd_handler_3dstate_constant},
+
+	{"3DSTATE_HS", OP_3DSTATE_HS, F_LEN_VAR, R_RCS, D_ALL, 0, 8, NULL},
+
+	{"3DSTATE_TE", OP_3DSTATE_TE, F_LEN_VAR, R_RCS, D_ALL, 0, 8, NULL},
+
+	{"3DSTATE_DS", OP_3DSTATE_DS, F_LEN_VAR, R_RCS, D_ALL, 0, 8, NULL},
+
+	{"3DSTATE_STREAMOUT", OP_3DSTATE_STREAMOUT, F_LEN_VAR, R_RCS,
+		D_ALL, 0, 8, NULL},
+
+	{"3DSTATE_SBE", OP_3DSTATE_SBE, F_LEN_VAR, R_RCS, D_ALL, 0, 8, NULL},
+
+	{"3DSTATE_PS", OP_3DSTATE_PS, F_LEN_VAR, R_RCS, D_ALL, 0, 8, NULL},
+
+	{"3DSTATE_DRAWING_RECTANGLE", OP_3DSTATE_DRAWING_RECTANGLE, F_LEN_VAR,
+		R_RCS, D_ALL, 0, 8, NULL},
+
+	{"3DSTATE_SAMPLER_PALETTE_LOAD0", OP_3DSTATE_SAMPLER_PALETTE_LOAD0,
+		F_LEN_VAR, R_RCS, D_ALL, 0, 8, NULL},
+
+	{"3DSTATE_CHROMA_KEY", OP_3DSTATE_CHROMA_KEY, F_LEN_VAR, R_RCS, D_ALL,
+		0, 8, NULL},
+
+	{"3DSTATE_DEPTH_BUFFER", OP_3DSTATE_DEPTH_BUFFER, F_LEN_VAR, R_RCS,
+		D_ALL, ADDR_FIX_1(2), 8, NULL},
+
+	{"3DSTATE_POLY_STIPPLE_OFFSET", OP_3DSTATE_POLY_STIPPLE_OFFSET,
+		F_LEN_VAR, R_RCS, D_ALL, 0, 8, NULL},
+
+	{"3DSTATE_POLY_STIPPLE_PATTERN", OP_3DSTATE_POLY_STIPPLE_PATTERN,
+		F_LEN_VAR, R_RCS, D_ALL, 0, 8, NULL},
+
+	{"3DSTATE_LINE_STIPPLE", OP_3DSTATE_LINE_STIPPLE, F_LEN_VAR, R_RCS,
+		D_ALL, 0, 8, NULL},
+
+	{"3DSTATE_AA_LINE_PARAMS", OP_3DSTATE_AA_LINE_PARAMS, F_LEN_VAR, R_RCS,
+		D_ALL, 0, 8, NULL},
+
+	{"3DSTATE_GS_SVB_INDEX", OP_3DSTATE_GS_SVB_INDEX, F_LEN_VAR, R_RCS, D_ALL,
+		0, 8, NULL},
+
+	{"3DSTATE_SAMPLER_PALETTE_LOAD1", OP_3DSTATE_SAMPLER_PALETTE_LOAD1,
+		F_LEN_VAR, R_RCS, D_ALL, 0, 8, NULL},
+
+	{"3DSTATE_MULTISAMPLE", OP_3DSTATE_MULTISAMPLE_BDW, F_LEN_VAR, R_RCS, D_BDW,
+		0, 8, NULL},
+
+	{"3DSTATE_STENCIL_BUFFER", OP_3DSTATE_STENCIL_BUFFER, F_LEN_VAR, R_RCS,
+		D_ALL, ADDR_FIX_1(2), 8, NULL},
+
+	{"3DSTATE_HIER_DEPTH_BUFFER", OP_3DSTATE_HIER_DEPTH_BUFFER, F_LEN_VAR,
+		R_RCS, D_ALL, ADDR_FIX_1(2), 8, NULL},
+
+	{"3DSTATE_CLEAR_PARAMS", OP_3DSTATE_CLEAR_PARAMS, F_LEN_VAR,
+		R_RCS, D_ALL, 0, 8, NULL},
+
+	{"3DSTATE_PUSH_CONSTANT_ALLOC_VS", OP_3DSTATE_PUSH_CONSTANT_ALLOC_VS,
+		F_LEN_VAR, R_RCS, D_ALL, 0, 8, NULL},
+
+	{"3DSTATE_PUSH_CONSTANT_ALLOC_HS", OP_3DSTATE_PUSH_CONSTANT_ALLOC_HS,
+		F_LEN_VAR, R_RCS, D_ALL, 0, 8, NULL},
+
+	{"3DSTATE_PUSH_CONSTANT_ALLOC_DS", OP_3DSTATE_PUSH_CONSTANT_ALLOC_DS,
+		F_LEN_VAR, R_RCS, D_ALL, 0, 8, NULL},
+
+	{"3DSTATE_PUSH_CONSTANT_ALLOC_GS", OP_3DSTATE_PUSH_CONSTANT_ALLOC_GS,
+		F_LEN_VAR, R_RCS, D_ALL, 0, 8, NULL},
+
+	{"3DSTATE_PUSH_CONSTANT_ALLOC_PS", OP_3DSTATE_PUSH_CONSTANT_ALLOC_PS,
+		F_LEN_VAR, R_RCS, D_ALL, 0, 8, NULL},
+
+	{"3DSTATE_MONOFILTER_SIZE", OP_3DSTATE_MONOFILTER_SIZE, F_LEN_VAR, R_RCS,
+		D_ALL, 0, 8, NULL},
+
+	{"3DSTATE_SO_DECL_LIST", OP_3DSTATE_SO_DECL_LIST, F_LEN_VAR, R_RCS, D_ALL,
+		0, 9, NULL},
+
+	{"3DSTATE_SO_BUFFER", OP_3DSTATE_SO_BUFFER, F_LEN_VAR, R_RCS, D_BDW,
+		ADDR_FIX_2(2, 4), 8, NULL},
+
+	{"3DSTATE_BINDING_TABLE_POOL_ALLOC", OP_3DSTATE_BINDING_TABLE_POOL_ALLOC,
+		F_LEN_VAR, R_RCS, D_BDW, ADDR_FIX_1(1), 8, NULL},
+
+	{"3DSTATE_GATHER_POOL_ALLOC", OP_3DSTATE_GATHER_POOL_ALLOC,
+		F_LEN_VAR, R_RCS, D_BDW, ADDR_FIX_1(1), 8, NULL},
+
+	{"3DSTATE_DX9_CONSTANT_BUFFER_POOL_ALLOC", OP_3DSTATE_DX9_CONSTANT_BUFFER_POOL_ALLOC,
+		F_LEN_VAR, R_RCS, D_BDW, ADDR_FIX_1(1), 8, NULL},
+
+	{"3DSTATE_SAMPLE_PATTERN", OP_3DSTATE_SAMPLE_PATTERN, F_LEN_VAR, R_RCS, D_BDW, 0, 8, NULL},
+
+	{"PIPE_CONTROL", OP_PIPE_CONTROL, F_LEN_VAR, R_RCS, D_ALL,
+		ADDR_FIX_1(2), 8, gvt_cmd_handler_pipe_control},
+
+	{"3DPRIMITIVE", OP_3DPRIMITIVE, F_LEN_VAR, R_RCS, D_ALL, 0, 8, NULL},
+
+	{"PIPELINE_SELECT", OP_PIPELINE_SELECT, F_LEN_CONST, R_RCS, D_ALL, 0, 1, NULL},
+
+	{"STATE_PREFETCH", OP_STATE_PREFETCH, F_LEN_VAR, R_RCS, D_ALL,
+		ADDR_FIX_1(1), 8, NULL},
+
+	{"STATE_SIP", OP_STATE_SIP, F_LEN_VAR, R_RCS, D_ALL, 0, 8, NULL},
+
+	{"STATE_BASE_ADDRESS", OP_STATE_BASE_ADDRESS, F_LEN_VAR, R_RCS, D_BDW,
+		ADDR_FIX_5(1, 3, 4, 5, 6), 8, NULL},
+
+	{"OP_3D_MEDIA_0_1_4", OP_3D_MEDIA_0_1_4, F_LEN_VAR, R_RCS, D_ALL,
+		ADDR_FIX_1(1), 8, NULL},
+
+	{"3DSTATE_VS", OP_3DSTATE_VS, F_LEN_VAR, R_RCS, D_ALL, 0, 8, NULL},
+
+	{"3DSTATE_SF", OP_3DSTATE_SF, F_LEN_VAR, R_RCS, D_ALL, 0, 8, NULL},
+
+	{"3DSTATE_CONSTANT_VS", OP_3DSTATE_CONSTANT_VS, F_LEN_VAR, R_RCS, D_BDW,
+		0, 8, gvt_cmd_handler_3dstate_constant},
+
+	{"MEDIA_INTERFACE_DESCRIPTOR_LOAD", OP_MEDIA_INTERFACE_DESCRIPTOR_LOAD,
+		F_LEN_VAR, R_RCS, D_ALL, 0, 16, NULL},
+
+	{"MEDIA_GATEWAY_STATE", OP_MEDIA_GATEWAY_STATE, F_LEN_VAR, R_RCS, D_ALL,
+		0, 16, NULL},
+
+	{"MEDIA_STATE_FLUSH", OP_MEDIA_STATE_FLUSH, F_LEN_VAR, R_RCS, D_ALL,
+		0, 16, NULL},
+
+	{"MEDIA_OBJECT", OP_MEDIA_OBJECT, F_LEN_VAR, R_RCS, D_ALL, 0, 16, NULL},
+
+	{"MEDIA_CURBE_LOAD", OP_MEDIA_CURBE_LOAD, F_LEN_VAR, R_RCS, D_ALL,
+		0, 16, NULL},
+
+	{"MEDIA_OBJECT_PRT", OP_MEDIA_OBJECT_PRT, F_LEN_VAR, R_RCS, D_ALL,
+		0, 16, NULL},
+
+	{"MEDIA_OBJECT_WALKER", OP_MEDIA_OBJECT_WALKER, F_LEN_VAR, R_RCS, D_ALL,
+		0, 16, NULL},
+
+	{"GPGPU_WALKER", OP_GPGPU_WALKER, F_LEN_VAR, R_RCS, D_ALL,
+		0, 8, NULL},
+
+	{"MEDIA_VFE_STATE", OP_MEDIA_VFE_STATE, F_LEN_VAR, R_RCS, D_ALL, 0, 16, NULL},
+
+	{"3DSTATE_VF_STATISTICS_GM45", OP_3DSTATE_VF_STATISTICS_GM45, F_LEN_CONST,
+		R_ALL, D_ALL, 0, 1, NULL},
+
+	{"MFX_PIPE_MODE_SELECT", OP_MFX_PIPE_MODE_SELECT, F_LEN_VAR,
+		R_VCS, D_ALL, 0, 12, NULL},
+
+	{"MFX_SURFACE_STATE", OP_MFX_SURFACE_STATE, F_LEN_VAR,
+		R_VCS, D_ALL, 0, 12, NULL},
+
+	{"MFX_PIPE_BUF_ADDR_STATE", OP_MFX_PIPE_BUF_ADDR_STATE, F_LEN_VAR,
+		R_VCS, D_BDW, 0, 12, gvt_cmd_handler_mfx_pipe_buf_addr_state},
+
+	{"MFX_IND_OBJ_BASE_ADDR_STATE", OP_MFX_IND_OBJ_BASE_ADDR_STATE, F_LEN_VAR,
+		R_VCS, D_BDW, 0, 12, gvt_cmd_handler_mfx_ind_obj_base_addr_state},
+
+	{"MFX_BSP_BUF_BASE_ADDR_STATE", OP_MFX_BSP_BUF_BASE_ADDR_STATE, F_LEN_VAR,
+		R_VCS, D_BDW, ADDR_FIX_3(1, 3, 5), 12, NULL},
+
+	{"OP_2_0_0_5", OP_2_0_0_5, F_LEN_VAR, R_VCS, D_BDW, 0, 12, NULL},
+
+	{"MFX_STATE_POINTER", OP_MFX_STATE_POINTER, F_LEN_VAR,
+		R_VCS, D_ALL, 0, 12, NULL},
+
+	{"MFX_QM_STATE", OP_MFX_QM_STATE, F_LEN_VAR,
+		R_VCS, D_ALL, 0, 12, NULL},
+
+	{"MFX_FQM_STATE", OP_MFX_FQM_STATE, F_LEN_VAR,
+		R_VCS, D_ALL, 0, 12, NULL},
+
+	{"MFX_PAK_INSERT_OBJECT", OP_MFX_PAK_INSERT_OBJECT, F_LEN_VAR,
+		R_VCS, D_ALL, 0, 12, NULL},
+
+	{"MFX_STITCH_OBJECT", OP_MFX_STITCH_OBJECT, F_LEN_VAR,
+		R_VCS, D_ALL, 0, 12, NULL},
+
+	{"MFD_IT_OBJECT", OP_MFD_IT_OBJECT, F_LEN_VAR,
+		R_VCS, D_ALL, 0, 12, NULL},
+
+	{"MFX_WAIT", OP_MFX_WAIT, F_LEN_VAR,
+		R_VCS, D_ALL, 0, 6, NULL},
+
+	{"MFX_AVC_IMG_STATE", OP_MFX_AVC_IMG_STATE, F_LEN_VAR,
+		R_VCS, D_ALL, 0, 12, NULL},
+
+	{"MFX_AVC_QM_STATE", OP_MFX_AVC_QM_STATE, F_LEN_VAR,
+		R_VCS, D_ALL, 0, 12, NULL},
+
+	/* to check: is "Direct MV Buffer Base Address" GMA ? */
+	{"MFX_AVC_DIRECTMODE_STATE", OP_MFX_AVC_DIRECTMODE_STATE, F_LEN_VAR,
+		R_VCS, D_ALL, 0, 12, NULL},
+
+	{"MFX_AVC_SLICE_STATE", OP_MFX_AVC_SLICE_STATE, F_LEN_VAR,
+		R_VCS, D_ALL, 0, 12, NULL},
+
+	{"MFX_AVC_REF_IDX_STATE", OP_MFX_AVC_REF_IDX_STATE, F_LEN_VAR,
+		R_VCS, D_ALL, 0, 12, NULL},
+
+	{"MFX_AVC_WEIGHTOFFSET_STATE", OP_MFX_AVC_WEIGHTOFFSET_STATE, F_LEN_VAR,
+		R_VCS, D_ALL, 0, 12, NULL},
+
+	{"MFD_AVC_PICID_STATE", OP_MFD_AVC_PICID_STATE, F_LEN_VAR,
+		R_VCS, D_ALL, 0, 12, NULL},
+	{"MFD_AVC_DPB_STATE", OP_MFD_AVC_DPB_STATE, F_LEN_VAR,
+		R_VCS, D_ALL, 0, 12, NULL},
+
+	{"MFD_AVC_BSD_OBJECT", OP_MFD_AVC_BSD_OBJECT, F_LEN_VAR,
+		R_VCS, D_ALL, 0, 12, NULL},
+
+	{"MFD_AVC_SLICEADDR", OP_MFD_AVC_SLICEADDR, F_LEN_VAR,
+		R_VCS, D_ALL, ADDR_FIX_1(2), 12, NULL},
+
+	{"MFC_AVC_PAK_OBJECT", OP_MFC_AVC_PAK_OBJECT, F_LEN_VAR,
+		R_VCS, D_ALL, 0, 12, NULL},
+
+	{"MFX_VC1_PRED_PIPE_STATE", OP_MFX_VC1_PRED_PIPE_STATE, F_LEN_VAR,
+		R_VCS, D_ALL, 0, 12, NULL},
+
+	{"MFX_VC1_DIRECTMODE_STATE", OP_MFX_VC1_DIRECTMODE_STATE, F_LEN_VAR,
+		R_VCS, D_ALL, 0, 12, NULL},
+
+	{"MFD_VC1_SHORT_PIC_STATE", OP_MFD_VC1_SHORT_PIC_STATE, F_LEN_VAR,
+		R_VCS, D_ALL, 0, 12, NULL},
+
+	{"MFD_VC1_LONG_PIC_STATE", OP_MFD_VC1_LONG_PIC_STATE, F_LEN_VAR,
+		R_VCS, D_ALL, 0, 12, NULL},
+
+	{"MFD_VC1_BSD_OBJECT", OP_MFD_VC1_BSD_OBJECT, F_LEN_VAR,
+		R_VCS, D_ALL, 0, 12, NULL},
+
+	{"MFC_MPEG2_SLICEGROUP_STATE", OP_MFC_MPEG2_SLICEGROUP_STATE, F_LEN_VAR,
+		R_VCS, D_ALL, 0, 12, NULL},
+
+	{"MFC_MPEG2_PAK_OBJECT", OP_MFC_MPEG2_PAK_OBJECT, F_LEN_VAR,
+		R_VCS, D_ALL, 0, 12, NULL},
+
+	{"MFX_MPEG2_PIC_STATE", OP_MFX_MPEG2_PIC_STATE, F_LEN_VAR,
+		R_VCS, D_ALL, 0, 12, NULL},
+
+	{"MFX_MPEG2_QM_STATE", OP_MFX_MPEG2_QM_STATE, F_LEN_VAR,
+		R_VCS, D_ALL, 0, 12, NULL},
+
+	{"MFD_MPEG2_BSD_OBJECT", OP_MFD_MPEG2_BSD_OBJECT, F_LEN_VAR,
+		R_VCS, D_ALL, 0, 12, NULL},
+
+	{"MFX_2_6_0_0", OP_MFX_2_6_0_0, F_LEN_VAR, R_VCS, D_ALL,
+		0, 16, gvt_cmd_handler_mfx_2_6_0_0},
+
+	{"MFX_2_6_0_9", OP_MFX_2_6_0_9, F_LEN_VAR, R_VCS, D_ALL, 0, 16, NULL},
+
+	{"MFX_2_6_0_8", OP_MFX_2_6_0_8, F_LEN_VAR, R_VCS, D_ALL, 0, 16, NULL},
+
+	{"MFX_JPEG_PIC_STATE", OP_MFX_JPEG_PIC_STATE, F_LEN_VAR,
+		R_VCS, D_ALL, 0, 12, NULL},
+
+	{"MFX_JPEG_HUFF_TABLE_STATE", OP_MFX_JPEG_HUFF_TABLE_STATE, F_LEN_VAR,
+		R_VCS, D_ALL, 0, 12, NULL},
+
+	{"MFD_JPEG_BSD_OBJECT", OP_MFD_JPEG_BSD_OBJECT, F_LEN_VAR,
+		R_VCS, D_ALL, 0, 12, NULL},
+
+	{"VEBOX_STATE", OP_VEB_STATE, F_LEN_VAR, R_VECS, D_ALL, 0, 12, NULL},
+
+	{"VEBOX_SURFACE_STATE", OP_VEB_SURFACE_STATE, F_LEN_VAR, R_VECS, D_ALL, 0, 12, NULL},
+
+	{"VEB_DI_IECP", OP_VEB_DNDI_IECP_STATE, F_LEN_VAR, R_VECS, D_BDW_PLUS, 0, 20, NULL},
+};
+
+
+static int gvt_cmd_advance_default(struct parser_exec_state *s)
+{
+	return ip_gma_advance(s, cmd_length(s));
+}
+
+static void gvt_add_cmd_entry(struct pgt_device *pdev, struct gvt_cmd_entry *e)
+{
+	hash_add(pdev->cmd_table, &e->hlist, e->info->opcode);
+}
+
+#define GVT_MAX_CMD_LENGTH     20  /* In Dword */
+
+static void trace_cs_command(struct parser_exec_state *s, cycles_t cost_pre_cmd_handler, cycles_t cost_cmd_handler)
+{
+	/* This buffer is used by ftrace to store all commands copied from guest gma
+	* space. Sometimes commands can cross pages, this should not be handled in
+	 * ftrace logic. So this is just used as a 'bounce buffer' */
+	u32 cmd_trace_buf[GVT_MAX_CMD_LENGTH];
+	int i;
+	u32 cmd_len = cmd_length(s);
+	/* The chosen value of GVT_MAX_CMD_LENGTH are just based on
+	 * following two considerations:
+	 * 1) From observation, most common ring commands is not that long.
+	 *    But there are execeptions. So it indeed makes sence to observe
+	 *    longer commands.
+	 * 2) From the performance and debugging point of view, dumping all
+	 *    contents of very commands is not necessary.
+	 * We mgith shrink GVT_MAX_CMD_LENGTH or remove this trace event in
+	 * future for performance considerations.
+	 */
+	if (unlikely(cmd_len > GVT_MAX_CMD_LENGTH)) {
+		gvt_dbg_cmd("cmd length exceed tracing limitation!");
+		cmd_len = GVT_MAX_CMD_LENGTH;
+	}
+
+	for (i = 0; i < cmd_len; i++)
+		cmd_trace_buf[i] = cmd_val(s, i);
+
+	trace_gvt_command(s->vgt->vm_id, s->ring_id, s->ip_gma, cmd_trace_buf,
+			cmd_len, s->buf_type == RING_BUFFER_INSTRUCTION, cost_pre_cmd_handler, cost_cmd_handler);
+
+}
+
+/* call the cmd handler, and advance ip */
+static bool gvt_cmd_parser_exec(struct parser_exec_state *s)
+{
+	struct cmd_info *info;
+	u32 cmd;
+	int rc = 0;
+	cycles_t t0, t1, t2;
+
+	t0 = get_cycles();
+
+	cmd = cmd_val(s, 0);
+
+	info = gvt_get_cmd_info(s->vgt->pdev, cmd, s->ring_id);
+	if (info == NULL) {
+		gvt_err("ERROR: unknown cmd 0x%x, opcode=0x%x", cmd,
+				get_opcode(cmd, s->ring_id));
+		parser_exec_state_dump(s);
+		return false;
+	}
+
+	gvt_dbg_cmd("%s", info->name);
+
+	s->info = info;
+
+	gvt_cmd_addr_audit_with_bitmap(s, info->addr_bitmap);
+
+	t1 = get_cycles();
+
+	if (info->handler) {
+		rc = info->handler(s);
+		if (rc < 0) {
+			gvt_err("%s handler error", info->name);
+			return false;
+		}
+	}
+
+	t2 = get_cycles();
+
+	trace_cs_command(s, t1 - t0, t2 -t1);
+
+	if (!(info->flag & F_IP_ADVANCE_CUSTOM)) {
+		rc = gvt_cmd_advance_default(s);
+		if (rc < 0) {
+			gvt_err("%s IP advance error", info->name);
+			return false;
+		}
+	}
+	return true;
+}
+
+static inline bool gma_out_of_range(unsigned long gma, unsigned long gma_head, unsigned gma_tail)
+{
+	if ( gma_tail >= gma_head)
+		return (gma < gma_head) || (gma > gma_tail);
+	else
+		return (gma > gma_tail) && (gma < gma_head);
+
+}
+
+static bool scan_workload(struct gvt_workload *workload)
+{
+	unsigned long gma_head, gma_tail, gma_bottom;
+	struct parser_exec_state s;
+	bool rc = false;
+
+	/* ring base is page aligned */
+	ASSERT((workload->rb_start & (PAGE_SIZE-1)) == 0);
+
+	gma_head = workload->rb_start + workload->rb_head;
+	gma_tail = workload->rb_start + workload->rb_tail;
+	gma_bottom = workload->rb_start +  _RING_CTL_BUF_SIZE(workload->rb_ctl);
+
+	s.buf_type = RING_BUFFER_INSTRUCTION;
+	s.buf_addr_type = GTT_BUFFER;
+	s.vgt = workload->vgt;
+	s.ring_id = workload->ring_id;
+	s.ring_start = workload->rb_start;
+	s.ring_size = _RING_CTL_BUF_SIZE(workload->rb_ctl);
+	s.ring_head = gma_head;
+	s.ring_tail = gma_tail;
+	s.rb_va = workload->shadow_ring_buffer_va;
+	s.workload = workload;
+
+	if (bypass_scan_mask & (1 << workload->ring_id))
+		return true;
+
+	if (ip_gma_set(&s, gma_head) < 0)
+		goto out;
+
+	gvt_dbg_cmd("scan_start: start=%lx end=%lx", gma_head, gma_tail);
+
+	while(s.ip_gma != gma_tail) {
+		if (s.buf_type == RING_BUFFER_INSTRUCTION) {
+			if (!(s.ip_gma >= workload->rb_start) || !(s.ip_gma < gma_bottom)) {
+				gvt_err("ERROR: ip_gma %lx out of ring scope."
+					"(base:0x%lx, bottom: 0x%lx)",
+					s.ip_gma, workload->rb_start, gma_bottom);
+				return false;
+			}
+			if (gma_out_of_range(s.ip_gma, gma_head, gma_tail)) {
+				gvt_err("ERROR: ip_gma %lx out of range."
+					"(base:0x%lx, head: 0x%lx, tail: 0x%lx)",
+					s.ip_gma, workload->rb_start, workload->rb_head, workload->rb_tail);
+				break;
+			}
+		}
+
+		rc = gvt_cmd_parser_exec(&s);
+		if (!rc) {
+			gvt_err("cmd parser error");
+			break;
+		}
+	}
+
+	gvt_dbg_cmd("scan_end");
+out:
+	return rc;
+}
+
+static bool copy_gma_to_hva(struct vgt_device *vgt, struct gvt_mm *mm,
+		unsigned long gma, unsigned long end_gma, void *va)
+{
+	unsigned long copy_len, offset;
+	unsigned long len = 0;
+	void *gma_va;
+
+	while (gma != end_gma) {
+		gma_va = gvt_gma_to_va(mm, gma);
+		if (!gma_va) {
+			gvt_err("invalid gma address: %lx", gma);
+			return false;
+		}
+
+		offset = gma & (GTT_PAGE_SIZE - 1);
+		if (offset) {
+			copy_len = (end_gma - gma) >= (GTT_PAGE_SIZE - offset) ?
+				GTT_PAGE_SIZE - offset : end_gma - gma;
+		} else {
+			copy_len = (end_gma - gma) >= GTT_PAGE_SIZE ?
+				GTT_PAGE_SIZE : end_gma - gma;
+		}
+
+		gvt_dbg_cmd("end gma %lx gma %lx offset %lx copy len %lx",
+			end_gma, gma, offset, copy_len);
+
+		hypervisor_read_va(vgt, gma_va,
+			va + len, copy_len, 1);
+
+		len += copy_len;
+		gma += copy_len;
+	}
+
+	return true;
+}
+
+static bool shadow_workload_ring_buffer(struct gvt_workload *workload)
+{
+	struct vgt_device *vgt = workload->vgt;
+	struct pgt_device *pdev = vgt->pdev;
+
+	int ring_id = workload->ring_id;
+	struct gvt_workload_scheduler *scheduler = &pdev->workload_scheduler;
+	struct intel_context *shadow_ctx = scheduler->shadow_ctx;
+	struct intel_ringbuffer *ringbuf = shadow_ctx->engine[ring_id].ringbuf;
+
+	unsigned long gma_head, gma_tail, gma_top, guest_rb_size;
+	unsigned copy_len = 0;
+
+	int ret;
+
+	guest_rb_size = _RING_CTL_BUF_SIZE(workload->rb_ctl);
+
+	/* calculate workload ring buffer size */
+	workload->rb_len = (workload->rb_tail + guest_rb_size -
+			workload->rb_head) % guest_rb_size;
+
+	gma_head = workload->rb_start + workload->rb_head;
+	gma_tail = workload->rb_start + workload->rb_tail;
+	gma_top = workload->rb_start + guest_rb_size;
+
+	/* allocate shadow ring buffer */
+	ret = intel_logical_ring_begin(workload->req, workload->rb_len / 4);
+	if(ret)
+		return false;
+
+	/* get shadow ring buffer va */
+	workload->shadow_ring_buffer_va = ringbuf->virtual_start + ringbuf->tail;
+
+	/* head > tail --> copy head <-> top */
+	if (gma_head > gma_tail) {
+		if (!copy_gma_to_hva(vgt, vgt->gtt.ggtt_mm,
+					gma_head, gma_top, workload->shadow_ring_buffer_va)) {
+			gvt_err("fail to copy guest ring buffer");
+			return false;
+		}
+
+		copy_len = gma_top - gma_head;
+		gma_head = workload->rb_start;
+	}
+
+	/* copy head or start <-> tail */
+	if (!copy_gma_to_hva(vgt, vgt->gtt.ggtt_mm,
+				gma_head, gma_tail, workload->shadow_ring_buffer_va + copy_len)) {
+		gvt_err("fail to copy guest ring buffer");
+		return false;
+	}
+
+	ringbuf->tail += workload->rb_len;
+	intel_logical_ring_advance(ringbuf);
+
+	return true;
+}
+
+bool gvt_scan_and_shadow_workload(struct gvt_workload *workload)
+{
+	struct gvt_statistics *stat = &workload->vgt->stat;
+	cycles_t t0, t1;
+
+	t0 = get_cycles();
+
+	stat->vring_scan_cnt++;
+
+	if (!shadow_workload_ring_buffer(workload)) {
+		gvt_err("fail to shadow workload ring_buffer");
+		return false;
+	}
+
+	if (!scan_workload(workload)) {
+		gvt_err("scan workload error");
+		return false;
+	}
+
+	t1 = get_cycles();
+
+	stat->vring_scan_cycles += t1 - t0;
+	return true;
+}
+
+static struct cmd_info *find_cmd_entry_any_ring(struct pgt_device *pdev, unsigned int opcode, int rings)
+{
+	struct cmd_info* info = NULL;
+	unsigned int ring;
+	for_each_set_bit(ring, (unsigned long*)&rings, I915_NUM_RINGS) {
+		info = find_cmd_entry(pdev, opcode, ring);
+		if (info)
+			break;
+	}
+	return info;
+}
+
+static bool init_cmd_table(struct pgt_device *pdev)
+{
+	int i;
+	struct gvt_cmd_entry *e;
+	struct cmd_info	*info;
+	unsigned int gen_type;
+
+	gen_type = gvt_get_device_type(pdev);
+
+	for (i = 0; i < ARRAY_SIZE(cmd_info); i++) {
+		if (!(cmd_info[i].devices & gen_type)) {
+			gvt_dbg_cmd("CMD[%-30s] op[%04x] flag[%x] devs[%02x] rings[%02x] not registered",
+					cmd_info[i].name, cmd_info[i].opcode, cmd_info[i].flag,
+					cmd_info[i].devices, cmd_info[i].rings);
+			continue;
+		}
+
+		e = kzalloc(sizeof(*e), GFP_KERNEL);
+		if (e == NULL) {
+			gvt_err("Insufficient memory in %s", __FUNCTION__);
+			return false;
+		}
+
+		e->info = &cmd_info[i];
+
+		info = find_cmd_entry_any_ring(pdev, e->info->opcode, e->info->rings);
+		if (info) {
+			gvt_err("%s %s duplicated", e->info->name, info->name);
+			return false;;
+		}
+
+		INIT_HLIST_NODE(&e->hlist);
+		gvt_add_cmd_entry(pdev, e);
+		gvt_dbg_cmd("CMD[%-30s] op[%04x] flag[%x] devs[%02x] rings[%02x] registered",
+				e->info->name,e->info->opcode, e->info->flag, e->info->devices,
+				e->info->rings);
+	}
+	return true;
+}
+
+void clean_cmd_table(struct pgt_device *pdev)
+{
+	struct hlist_node *tmp;
+	struct gvt_cmd_entry *e;
+	int i;
+
+	hash_for_each_safe(pdev->cmd_table, i, tmp, e, hlist)
+		kfree(e);
+
+	hash_init(pdev->cmd_table);
+}
+
+void gvt_clean_cmd_parser(struct pgt_device *pdev)
+{
+	clean_cmd_table(pdev);
+}
+
+bool gvt_init_cmd_parser(struct pgt_device *pdev)
+{
+	if (!init_cmd_table(pdev)) {
+		gvt_clean_cmd_parser(pdev);
+		return false;
+	}
+	return true;
+}
diff --git a/drivers/gpu/drm/i915/gvt/cmd_parser.h b/drivers/gpu/drm/i915/gvt/cmd_parser.h
new file mode 100644
index 0000000..824ff32
--- /dev/null
+++ b/drivers/gpu/drm/i915/gvt/cmd_parser.h
@@ -0,0 +1,466 @@
+/*
+ * Copyright(c) 2011-2016 Intel Corporation. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#define VGT_UNHANDLEABLE 1
+
+#define INVALID_OP    (~0U)
+
+#define MAX_BB_SIZE	0x10000000
+
+#define OP_LEN_MI           9
+#define OP_LEN_2D           10
+#define OP_LEN_3D_MEDIA     16
+#define OP_LEN_MFX_VC       16
+#define OP_LEN_VEBOX	    16
+
+#define CMD_TYPE(cmd)	(((cmd) >> 29) & 7)
+
+struct sub_op_bits {
+	int hi;
+	int low;
+};
+struct decode_info {
+	char* name;
+	int op_len;
+	int nr_sub_op;
+	struct sub_op_bits *sub_op;
+};
+
+#define   MAX_CMD_BUDGET			0x7fffffff
+#define   MI_WAIT_FOR_PLANE_C_FLIP_PENDING      (1<<15)
+#define   MI_WAIT_FOR_PLANE_B_FLIP_PENDING      (1<<9)
+#define   MI_WAIT_FOR_PLANE_A_FLIP_PENDING      (1<<1)
+
+#define   MI_WAIT_FOR_SPRITE_C_FLIP_PENDING      (1<<20)
+#define   MI_WAIT_FOR_SPRITE_B_FLIP_PENDING      (1<<10)
+#define   MI_WAIT_FOR_SPRITE_A_FLIP_PENDING      (1<<2)
+
+/* Render Command Map */
+
+/* MI_* command Opcode (28:23) */
+#define OP_MI_NOOP                          0x0
+#define OP_MI_SET_PREDICATE                 0x1  /* HSW+ */
+#define OP_MI_USER_INTERRUPT                0x2
+#define OP_MI_WAIT_FOR_EVENT                0x3
+#define OP_MI_FLUSH                         0x4
+#define OP_MI_ARB_CHECK                     0x5
+#define OP_MI_RS_CONTROL                    0x6  /* HSW+ */
+#define OP_MI_REPORT_HEAD                   0x7
+#define OP_MI_ARB_ON_OFF                    0x8
+#define OP_MI_URB_ATOMIC_ALLOC              0x9  /* HSW+ */
+#define OP_MI_BATCH_BUFFER_END              0xA
+#define OP_MI_SUSPEND_FLUSH                 0xB
+#define OP_MI_PREDICATE                     0xC  /* IVB+ */
+#define OP_MI_TOPOLOGY_FILTER               0xD  /* IVB+ */
+#define OP_MI_SET_APPID                     0xE  /* IVB+ */
+#define OP_MI_RS_CONTEXT                    0xF  /* HSW+ */
+#define OP_MI_LOAD_SCAN_LINES_INCL          0x12 /* HSW+ */
+#define OP_MI_DISPLAY_FLIP                  0x14
+#define OP_MI_SEMAPHORE_MBOX                0x16
+#define OP_MI_SET_CONTEXT                   0x18
+#define OP_MI_MATH                          0x1A
+#define OP_MI_URB_CLEAR                     0x19
+#define OP_MI_SEMAPHORE_SIGNAL		    0x1B  /* BDW+ */
+#define OP_MI_SEMAPHORE_WAIT		    0x1C  /* BDW+ */
+
+#define OP_MI_STORE_DATA_IMM                0x20
+#define OP_MI_STORE_DATA_INDEX              0x21
+#define OP_MI_LOAD_REGISTER_IMM             0x22
+#define OP_MI_UPDATE_GTT                    0x23
+#define OP_MI_STORE_REGISTER_MEM            0x24
+#define OP_MI_FLUSH_DW                      0x26
+#define OP_MI_CLFLUSH                       0x27
+#define OP_MI_REPORT_PERF_COUNT             0x28
+#define OP_MI_LOAD_REGISTER_MEM             0x29  /* HSW+ */
+#define OP_MI_LOAD_REGISTER_REG             0x2A  /* HSW+ */
+#define OP_MI_RS_STORE_DATA_IMM             0x2B  /* HSW+ */
+#define OP_MI_LOAD_URB_MEM                  0x2C  /* HSW+ */
+#define OP_MI_STORE_URM_MEM                 0x2D  /* HSW+ */
+#define OP_MI_2E			    0x2E  /* BDW+ */
+#define OP_MI_2F			    0x2F  /* BDW+ */
+#define OP_MI_BATCH_BUFFER_START            0x31
+
+/* Bit definition for dword 0 */
+#define _CMDBIT_BB_START_IN_PPGTT	(1UL << 8)
+
+#define OP_MI_CONDITIONAL_BATCH_BUFFER_END  0x36
+
+#define BATCH_BUFFER_ADDR_MASK ((1UL << 32) - (1U <<2))
+#define BATCH_BUFFER_ADDR_HIGH_MASK ((1UL << 16) - (1U))
+#define BATCH_BUFFER_ADR_SPACE_BIT(x)	(((x)>>8) & 1U)
+#define BATCH_BUFFER_2ND_LEVEL_BIT(x)   ((x)>>22 & 1U)
+
+/* 2D command: Opcode (28:22) */
+#define OP_2D(x)    ((2<<7) | x)
+
+#define OP_XY_SETUP_BLT                             OP_2D(0x1)
+#define OP_XY_SETUP_CLIP_BLT                        OP_2D(0x3)
+#define OP_XY_SETUP_MONO_PATTERN_SL_BLT             OP_2D(0x11)
+#define OP_XY_PIXEL_BLT                             OP_2D(0x24)
+#define OP_XY_SCANLINES_BLT                         OP_2D(0x25)
+#define OP_XY_TEXT_BLT                              OP_2D(0x26)
+#define OP_XY_TEXT_IMMEDIATE_BLT                    OP_2D(0x31)
+#define OP_XY_COLOR_BLT                             OP_2D(0x50)
+#define OP_XY_PAT_BLT                               OP_2D(0x51)
+#define OP_XY_MONO_PAT_BLT                          OP_2D(0x52)
+#define OP_XY_SRC_COPY_BLT                          OP_2D(0x53)
+#define OP_XY_MONO_SRC_COPY_BLT                     OP_2D(0x54)
+#define OP_XY_FULL_BLT                              OP_2D(0x55)
+#define OP_XY_FULL_MONO_SRC_BLT                     OP_2D(0x56)
+#define OP_XY_FULL_MONO_PATTERN_BLT                 OP_2D(0x57)
+#define OP_XY_FULL_MONO_PATTERN_MONO_SRC_BLT        OP_2D(0x58)
+#define OP_XY_MONO_PAT_FIXED_BLT                    OP_2D(0x59)
+#define OP_XY_MONO_SRC_COPY_IMMEDIATE_BLT           OP_2D(0x71)
+#define OP_XY_PAT_BLT_IMMEDIATE                     OP_2D(0x72)
+#define OP_XY_SRC_COPY_CHROMA_BLT                   OP_2D(0x73)
+#define OP_XY_FULL_IMMEDIATE_PATTERN_BLT            OP_2D(0x74)
+#define OP_XY_FULL_MONO_SRC_IMMEDIATE_PATTERN_BLT   OP_2D(0x75)
+#define OP_XY_PAT_CHROMA_BLT                        OP_2D(0x76)
+#define OP_XY_PAT_CHROMA_BLT_IMMEDIATE              OP_2D(0x77)
+
+/* 3D/Media Command: Pipeline Type(28:27) Opcode(26:24) Sub Opcode(23:16) */
+#define OP_3D_MEDIA(sub_type, opcode, sub_opcode) \
+	( (3<<13) | ((sub_type)<<11) | ((opcode) <<8) | (sub_opcode))
+
+#define OP_STATE_PREFETCH                       OP_3D_MEDIA(0x0, 0x0, 0x03)
+
+#define OP_STATE_BASE_ADDRESS                   OP_3D_MEDIA(0x0, 0x1, 0x01)
+#define OP_STATE_SIP                            OP_3D_MEDIA(0x0, 0x1, 0x02)
+#define OP_3D_MEDIA_0_1_4			OP_3D_MEDIA(0x0, 0x1, 0x04)
+
+#define OP_3DSTATE_VF_STATISTICS_GM45           OP_3D_MEDIA(0x1, 0x0, 0x0B)
+
+#define OP_PIPELINE_SELECT                      OP_3D_MEDIA(0x1, 0x1, 0x04)
+
+#define OP_MEDIA_VFE_STATE                      OP_3D_MEDIA(0x2, 0x0, 0x0)
+#define OP_MEDIA_CURBE_LOAD                     OP_3D_MEDIA(0x2, 0x0, 0x1)
+#define OP_MEDIA_INTERFACE_DESCRIPTOR_LOAD      OP_3D_MEDIA(0x2, 0x0, 0x2)
+#define OP_MEDIA_GATEWAY_STATE                  OP_3D_MEDIA(0x2, 0x0, 0x3)
+#define OP_MEDIA_STATE_FLUSH                    OP_3D_MEDIA(0x2, 0x0, 0x4)
+
+#define OP_MEDIA_OBJECT                         OP_3D_MEDIA(0x2, 0x1, 0x0)
+#define OP_MEDIA_OBJECT_PRT                     OP_3D_MEDIA(0x2, 0x1, 0x2)
+#define OP_MEDIA_OBJECT_WALKER                  OP_3D_MEDIA(0x2, 0x1, 0x3)
+#define OP_GPGPU_WALKER                         OP_3D_MEDIA(0x2, 0x1, 0x5)
+
+#define OP_3DSTATE_CLEAR_PARAMS                 OP_3D_MEDIA(0x3, 0x0, 0x04) /* IVB+ */
+#define OP_3DSTATE_DEPTH_BUFFER                 OP_3D_MEDIA(0x3, 0x0, 0x05) /* IVB+ */
+#define OP_3DSTATE_STENCIL_BUFFER               OP_3D_MEDIA(0x3, 0x0, 0x06) /* IVB+ */
+#define OP_3DSTATE_HIER_DEPTH_BUFFER            OP_3D_MEDIA(0x3, 0x0, 0x07) /* IVB+ */
+#define OP_3DSTATE_VERTEX_BUFFERS               OP_3D_MEDIA(0x3, 0x0, 0x08)
+#define OP_3DSTATE_VERTEX_ELEMENTS              OP_3D_MEDIA(0x3, 0x0, 0x09)
+#define OP_3DSTATE_INDEX_BUFFER                 OP_3D_MEDIA(0x3, 0x0, 0x0A)
+#define OP_3DSTATE_VF_STATISTICS                OP_3D_MEDIA(0x3, 0x0, 0x0B)
+#define OP_3DSTATE_VF                           OP_3D_MEDIA(0x3, 0x0, 0x0C)  /* HSW+ */
+#define OP_3DSTATE_CC_STATE_POINTERS            OP_3D_MEDIA(0x3, 0x0, 0x0E)
+#define OP_3DSTATE_SCISSOR_STATE_POINTERS       OP_3D_MEDIA(0x3, 0x0, 0x0F)
+#define OP_3DSTATE_VS                           OP_3D_MEDIA(0x3, 0x0, 0x10)
+#define OP_3DSTATE_GS                           OP_3D_MEDIA(0x3, 0x0, 0x11)
+#define OP_3DSTATE_CLIP                         OP_3D_MEDIA(0x3, 0x0, 0x12)
+#define OP_3DSTATE_SF                           OP_3D_MEDIA(0x3, 0x0, 0x13)
+#define OP_3DSTATE_WM                           OP_3D_MEDIA(0x3, 0x0, 0x14)
+#define OP_3DSTATE_CONSTANT_VS                  OP_3D_MEDIA(0x3, 0x0, 0x15)
+#define OP_3DSTATE_CONSTANT_GS                  OP_3D_MEDIA(0x3, 0x0, 0x16)
+#define OP_3DSTATE_CONSTANT_PS                  OP_3D_MEDIA(0x3, 0x0, 0x17)
+#define OP_3DSTATE_SAMPLE_MASK                  OP_3D_MEDIA(0x3, 0x0, 0x18)
+#define OP_3DSTATE_CONSTANT_HS                  OP_3D_MEDIA(0x3, 0x0, 0x19) /* IVB+ */
+#define OP_3DSTATE_CONSTANT_DS                  OP_3D_MEDIA(0x3, 0x0, 0x1A) /* IVB+ */
+#define OP_3DSTATE_HS                           OP_3D_MEDIA(0x3, 0x0, 0x1B) /* IVB+ */
+#define OP_3DSTATE_TE                           OP_3D_MEDIA(0x3, 0x0, 0x1C) /* IVB+ */
+#define OP_3DSTATE_DS                           OP_3D_MEDIA(0x3, 0x0, 0x1D) /* IVB+ */
+#define OP_3DSTATE_STREAMOUT                    OP_3D_MEDIA(0x3, 0x0, 0x1E) /* IVB+ */
+#define OP_3DSTATE_SBE                          OP_3D_MEDIA(0x3, 0x0, 0x1F) /* IVB+ */
+#define OP_3DSTATE_PS                           OP_3D_MEDIA(0x3, 0x0, 0x20) /* IVB+ */
+#define OP_3DSTATE_VIEWPORT_STATE_POINTERS_SF_CLIP OP_3D_MEDIA(0x3, 0x0, 0x21) /* IVB+ */
+#define OP_3DSTATE_VIEWPORT_STATE_POINTERS_CC   OP_3D_MEDIA(0x3, 0x0, 0x23) /* IVB+ */
+#define OP_3DSTATE_BLEND_STATE_POINTERS         OP_3D_MEDIA(0x3, 0x0, 0x24) /* IVB+ */
+#define OP_3DSTATE_DEPTH_STENCIL_STATE_POINTERS OP_3D_MEDIA(0x3, 0x0, 0x25) /* IVB+ */
+#define OP_3DSTATE_BINDING_TABLE_POINTERS_VS    OP_3D_MEDIA(0x3, 0x0, 0x26) /* IVB+ */
+#define OP_3DSTATE_BINDING_TABLE_POINTERS_HS    OP_3D_MEDIA(0x3, 0x0, 0x27) /* IVB+ */
+#define OP_3DSTATE_BINDING_TABLE_POINTERS_DS    OP_3D_MEDIA(0x3, 0x0, 0x28) /* IVB+ */
+#define OP_3DSTATE_BINDING_TABLE_POINTERS_GS    OP_3D_MEDIA(0x3, 0x0, 0x29) /* IVB+ */
+#define OP_3DSTATE_BINDING_TABLE_POINTERS_PS    OP_3D_MEDIA(0x3, 0x0, 0x2A) /* IVB+ */
+#define OP_3DSTATE_SAMPLER_STATE_POINTERS_VS    OP_3D_MEDIA(0x3, 0x0, 0x2B) /* IVB+ */
+#define OP_3DSTATE_SAMPLER_STATE_POINTERS_HS    OP_3D_MEDIA(0x3, 0x0, 0x2C) /* IVB+ */
+#define OP_3DSTATE_SAMPLER_STATE_POINTERS_DS    OP_3D_MEDIA(0x3, 0x0, 0x2D) /* IVB+ */
+#define OP_3DSTATE_SAMPLER_STATE_POINTERS_GS    OP_3D_MEDIA(0x3, 0x0, 0x2E) /* IVB+ */
+#define OP_3DSTATE_SAMPLER_STATE_POINTERS_PS    OP_3D_MEDIA(0x3, 0x0, 0x2F) /* IVB+ */
+#define OP_3DSTATE_URB_VS                       OP_3D_MEDIA(0x3, 0x0, 0x30) /* IVB+ */
+#define OP_3DSTATE_URB_HS                       OP_3D_MEDIA(0x3, 0x0, 0x31) /* IVB+ */
+#define OP_3DSTATE_URB_DS                       OP_3D_MEDIA(0x3, 0x0, 0x32) /* IVB+ */
+#define OP_3DSTATE_URB_GS                       OP_3D_MEDIA(0x3, 0x0, 0x33) /* IVB+ */
+#define OP_3DSTATE_GATHER_CONSTANT_VS           OP_3D_MEDIA(0x3, 0x0, 0x34) /* HSW+ */
+#define OP_3DSTATE_GATHER_CONSTANT_GS           OP_3D_MEDIA(0x3, 0x0, 0x35) /* HSW+ */
+#define OP_3DSTATE_GATHER_CONSTANT_HS           OP_3D_MEDIA(0x3, 0x0, 0x36) /* HSW+ */
+#define OP_3DSTATE_GATHER_CONSTANT_DS           OP_3D_MEDIA(0x3, 0x0, 0x37) /* HSW+ */
+#define OP_3DSTATE_GATHER_CONSTANT_PS           OP_3D_MEDIA(0x3, 0x0, 0x38) /* HSW+ */
+#define OP_3DSTATE_DX9_CONSTANTF_VS             OP_3D_MEDIA(0x3, 0x0, 0x39) /* HSW+ */
+#define OP_3DSTATE_DX9_CONSTANTF_PS             OP_3D_MEDIA(0x3, 0x0, 0x3A) /* HSW+ */
+#define OP_3DSTATE_DX9_CONSTANTI_VS             OP_3D_MEDIA(0x3, 0x0, 0x3B) /* HSW+ */
+#define OP_3DSTATE_DX9_CONSTANTI_PS             OP_3D_MEDIA(0x3, 0x0, 0x3C) /* HSW+ */
+#define OP_3DSTATE_DX9_CONSTANTB_VS             OP_3D_MEDIA(0x3, 0x0, 0x3D) /* HSW+ */
+#define OP_3DSTATE_DX9_CONSTANTB_PS             OP_3D_MEDIA(0x3, 0x0, 0x3E) /* HSW+ */
+#define OP_3DSTATE_DX9_LOCAL_VALID_VS           OP_3D_MEDIA(0x3, 0x0, 0x3F) /* HSW+ */
+#define OP_3DSTATE_DX9_LOCAL_VALID_PS           OP_3D_MEDIA(0x3, 0x0, 0x40) /* HSW+ */
+#define OP_3DSTATE_DX9_GENERATE_ACTIVE_VS       OP_3D_MEDIA(0x3, 0x0, 0x41) /* HSW+ */
+#define OP_3DSTATE_DX9_GENERATE_ACTIVE_PS       OP_3D_MEDIA(0x3, 0x0, 0x42) /* HSW+ */
+#define OP_3DSTATE_BINDING_TABLE_EDIT_VS        OP_3D_MEDIA(0x3, 0x0, 0x43) /* HSW+ */
+#define OP_3DSTATE_BINDING_TABLE_EDIT_GS        OP_3D_MEDIA(0x3, 0x0, 0x44) /* HSW+ */
+#define OP_3DSTATE_BINDING_TABLE_EDIT_HS        OP_3D_MEDIA(0x3, 0x0, 0x45) /* HSW+ */
+#define OP_3DSTATE_BINDING_TABLE_EDIT_DS        OP_3D_MEDIA(0x3, 0x0, 0x46) /* HSW+ */
+#define OP_3DSTATE_BINDING_TABLE_EDIT_PS        OP_3D_MEDIA(0x3, 0x0, 0x47) /* HSW+ */
+
+#define OP_3DSTATE_VF_INSTANCING 		OP_3D_MEDIA(0x3, 0x0, 0x49) /* BDW+ */
+#define OP_3DSTATE_VF_SGVS  			OP_3D_MEDIA(0x3, 0x0, 0x4A) /* BDW+ */
+#define OP_3DSTATE_VF_TOPOLOGY   		OP_3D_MEDIA(0x3, 0x0, 0x4B) /* BDW+ */
+#define OP_3DSTATE_WM_CHROMAKEY   		OP_3D_MEDIA(0x3, 0x0, 0x4C) /* BDW+ */
+#define OP_3DSTATE_PS_BLEND   			OP_3D_MEDIA(0x3, 0x0, 0x4D) /* BDW+ */
+#define OP_3DSTATE_WM_DEPTH_STENCIL   		OP_3D_MEDIA(0x3, 0x0, 0x4E) /* BDW+ */
+#define OP_3DSTATE_PS_EXTRA   			OP_3D_MEDIA(0x3, 0x0, 0x4F) /* BDW+ */
+#define OP_3DSTATE_RASTER   			OP_3D_MEDIA(0x3, 0x0, 0x50) /* BDW+ */
+#define OP_3DSTATE_SBE_SWIZ   			OP_3D_MEDIA(0x3, 0x0, 0x51) /* BDW+ */
+#define OP_3DSTATE_WM_HZ_OP   			OP_3D_MEDIA(0x3, 0x0, 0x52) /* BDW+ */
+
+#define OP_3DSTATE_DRAWING_RECTANGLE            OP_3D_MEDIA(0x3, 0x1, 0x00)
+#define OP_3DSTATE_SAMPLER_PALETTE_LOAD0        OP_3D_MEDIA(0x3, 0x1, 0x02)
+#define OP_3DSTATE_CHROMA_KEY                   OP_3D_MEDIA(0x3, 0x1, 0x04)
+#define OP_SNB_3DSTATE_DEPTH_BUFFER             OP_3D_MEDIA(0x3, 0x1, 0x05)
+#define OP_3DSTATE_POLY_STIPPLE_OFFSET          OP_3D_MEDIA(0x3, 0x1, 0x06)
+#define OP_3DSTATE_POLY_STIPPLE_PATTERN         OP_3D_MEDIA(0x3, 0x1, 0x07)
+#define OP_3DSTATE_LINE_STIPPLE                 OP_3D_MEDIA(0x3, 0x1, 0x08)
+#define OP_3DSTATE_AA_LINE_PARAMS               OP_3D_MEDIA(0x3, 0x1, 0x0A)
+#define OP_3DSTATE_GS_SVB_INDEX                 OP_3D_MEDIA(0x3, 0x1, 0x0B)
+#define OP_3DSTATE_SAMPLER_PALETTE_LOAD1        OP_3D_MEDIA(0x3, 0x1, 0x0C)
+#define OP_3DSTATE_MULTISAMPLE_BDW		OP_3D_MEDIA(0x3, 0x0, 0x0D)
+#define OP_SNB_3DSTATE_STENCIL_BUFFER           OP_3D_MEDIA(0x3, 0x1, 0x0E)
+#define OP_SNB_3DSTATE_HIER_DEPTH_BUFFER        OP_3D_MEDIA(0x3, 0x1, 0x0F)
+#define OP_SNB_3DSTATE_CLEAR_PARAMS             OP_3D_MEDIA(0x3, 0x1, 0x10)
+#define OP_3DSTATE_MONOFILTER_SIZE              OP_3D_MEDIA(0x3, 0x1, 0x11)
+#define OP_3DSTATE_PUSH_CONSTANT_ALLOC_VS       OP_3D_MEDIA(0x3, 0x1, 0x12) /* IVB+ */
+#define OP_3DSTATE_PUSH_CONSTANT_ALLOC_HS       OP_3D_MEDIA(0x3, 0x1, 0x13) /* IVB+ */
+#define OP_3DSTATE_PUSH_CONSTANT_ALLOC_DS       OP_3D_MEDIA(0x3, 0x1, 0x14) /* IVB+ */
+#define OP_3DSTATE_PUSH_CONSTANT_ALLOC_GS       OP_3D_MEDIA(0x3, 0x1, 0x15) /* IVB+ */
+#define OP_3DSTATE_PUSH_CONSTANT_ALLOC_PS       OP_3D_MEDIA(0x3, 0x1, 0x16) /* IVB+ */
+#define OP_3DSTATE_SO_DECL_LIST                 OP_3D_MEDIA(0x3, 0x1, 0x17)
+#define OP_3DSTATE_SO_BUFFER                    OP_3D_MEDIA(0x3, 0x1, 0x18)
+#define OP_3DSTATE_BINDING_TABLE_POOL_ALLOC     OP_3D_MEDIA(0x3, 0x1, 0x19) /* HSW+ */
+#define OP_3DSTATE_GATHER_POOL_ALLOC            OP_3D_MEDIA(0x3, 0x1, 0x1A) /* HSW+ */
+#define OP_3DSTATE_DX9_CONSTANT_BUFFER_POOL_ALLOC OP_3D_MEDIA(0x3, 0x1, 0x1B) /* HSW+ */
+#define OP_3DSTATE_SAMPLE_PATTERN               OP_3D_MEDIA(0x3, 0x1, 0x1C)
+#define OP_PIPE_CONTROL                         OP_3D_MEDIA(0x3, 0x2, 0x00)
+#define OP_3DPRIMITIVE                          OP_3D_MEDIA(0x3, 0x3, 0x00)
+
+/* VCCP Command Parser */
+
+/*
+ * Below MFX and VBE cmd definition is from vaapi intel driver project (BSD License)
+ * git://anongit.freedesktop.org/vaapi/intel-driver
+ * src/i965_defines.h
+ *
+ */
+
+#define OP_MFX(pipeline, op, sub_opa, sub_opb)     \
+     (3 << 13 |                                  \
+     (pipeline) << 11 |                         \
+     (op) << 8 |                               \
+     (sub_opa) << 5 |                          \
+     (sub_opb))
+
+#define OP_MFX_PIPE_MODE_SELECT                    OP_MFX(2, 0, 0, 0)  /* ALL */
+#define OP_MFX_SURFACE_STATE                       OP_MFX(2, 0, 0, 1)  /* ALL */
+#define OP_MFX_PIPE_BUF_ADDR_STATE                 OP_MFX(2, 0, 0, 2)  /* ALL */
+#define OP_MFX_IND_OBJ_BASE_ADDR_STATE             OP_MFX(2, 0, 0, 3)  /* ALL */
+#define OP_MFX_BSP_BUF_BASE_ADDR_STATE             OP_MFX(2, 0, 0, 4)  /* ALL */
+#define OP_2_0_0_5                                 OP_MFX(2, 0, 0, 5)  /* ALL */
+#define OP_MFX_STATE_POINTER                       OP_MFX(2, 0, 0, 6)  /* ALL */
+#define OP_MFX_QM_STATE                            OP_MFX(2, 0, 0, 7)  /* IVB+ */
+#define OP_MFX_FQM_STATE                           OP_MFX(2, 0, 0, 8)  /* IVB+ */
+#define OP_MFX_PAK_INSERT_OBJECT                   OP_MFX(2, 0, 2, 8)  /* IVB+ */
+#define OP_MFX_STITCH_OBJECT                       OP_MFX(2, 0, 2, 0xA)  /* IVB+ */
+
+#define OP_MFD_IT_OBJECT                           OP_MFX(2, 0, 1, 9) /* ALL */
+
+#define OP_MFX_WAIT                                OP_MFX(1, 0, 0, 0) /* IVB+ */
+#define OP_MFX_AVC_IMG_STATE                       OP_MFX(2, 1, 0, 0) /* ALL */
+#define OP_MFX_AVC_QM_STATE                        OP_MFX(2, 1, 0, 1) /* ALL */
+#define OP_MFX_AVC_DIRECTMODE_STATE                OP_MFX(2, 1, 0, 2) /* ALL */
+#define OP_MFX_AVC_SLICE_STATE                     OP_MFX(2, 1, 0, 3) /* ALL */
+#define OP_MFX_AVC_REF_IDX_STATE                   OP_MFX(2, 1, 0, 4) /* ALL */
+#define OP_MFX_AVC_WEIGHTOFFSET_STATE              OP_MFX(2, 1, 0, 5) /* ALL */
+#define OP_MFD_AVC_PICID_STATE                     OP_MFX(2, 1, 1, 5) /* HSW+ */
+#define OP_MFD_AVC_DPB_STATE			   OP_MFX(2, 1, 1, 6) /* IVB+ */
+#define OP_MFD_AVC_SLICEADDR                       OP_MFX(2, 1, 1, 7) /* IVB+ */
+#define OP_MFD_AVC_BSD_OBJECT                      OP_MFX(2, 1, 1, 8) /* ALL */
+#define OP_MFC_AVC_PAK_OBJECT                      OP_MFX(2, 1, 2, 9) /* ALL */
+
+#define OP_MFX_VC1_PRED_PIPE_STATE                 OP_MFX(2, 2, 0, 1) /* ALL */
+#define OP_MFX_VC1_DIRECTMODE_STATE                OP_MFX(2, 2, 0, 2) /* ALL */
+#define OP_MFD_VC1_SHORT_PIC_STATE                 OP_MFX(2, 2, 1, 0) /* IVB+ */
+#define OP_MFD_VC1_LONG_PIC_STATE                  OP_MFX(2, 2, 1, 1) /* IVB+ */
+#define OP_MFD_VC1_BSD_OBJECT                      OP_MFX(2, 2, 1, 8) /* ALL */
+
+#define OP_MFX_MPEG2_PIC_STATE                     OP_MFX(2, 3, 0, 0) /* ALL */
+#define OP_MFX_MPEG2_QM_STATE                      OP_MFX(2, 3, 0, 1) /* ALL */
+#define OP_MFD_MPEG2_BSD_OBJECT                    OP_MFX(2, 3, 1, 8) /* ALL */
+#define OP_MFC_MPEG2_SLICEGROUP_STATE              OP_MFX(2, 3, 2, 3) /* ALL */
+#define OP_MFC_MPEG2_PAK_OBJECT                    OP_MFX(2, 3, 2, 9) /* ALL */
+
+#define OP_MFX_2_6_0_0                             OP_MFX(2, 6, 0, 0) /* IVB+ */
+#define OP_MFX_2_6_0_8                             OP_MFX(2, 6, 0, 8) /* IVB+ */
+#define OP_MFX_2_6_0_9                             OP_MFX(2, 6, 0, 9) /* IVB+ */
+
+#define OP_MFX_JPEG_PIC_STATE                      OP_MFX(2, 7, 0, 0)
+#define OP_MFX_JPEG_HUFF_TABLE_STATE               OP_MFX(2, 7, 0, 2)
+#define OP_MFD_JPEG_BSD_OBJECT                     OP_MFX(2, 7, 1, 8)
+
+/* copy from vaapi, but not found definition in PRM yet */
+#define OP_VEB(pipeline, op, sub_opa, sub_opb)     \
+     (3 << 13 |                                 \
+     (pipeline) << 11 |                         \
+     (op) << 8 |                               \
+     (sub_opa) << 5 |                          \
+     (sub_opb))
+
+#define OP_VEB_SURFACE_STATE                       OP_VEB(2, 4, 0, 0)
+#define OP_VEB_STATE                               OP_VEB(2, 4, 0, 2)
+#define OP_VEB_DNDI_IECP_STATE                     OP_VEB(2, 4, 0, 3)
+
+struct parser_exec_state;
+
+typedef int (*parser_cmd_handler)(struct parser_exec_state *s);
+
+#define GVT_CMD_HASH_BITS   7
+
+/* which DWords need address fix */
+#define ADDR_FIX_1(x1)                  (1<<(x1))
+#define ADDR_FIX_2(x1,x2)               (ADDR_FIX_1(x1) | ADDR_FIX_1(x2))
+#define ADDR_FIX_3(x1,x2,x3)            (ADDR_FIX_1(x1) | ADDR_FIX_2(x2,x3))
+#define ADDR_FIX_4(x1,x2,x3,x4)         (ADDR_FIX_1(x1) | ADDR_FIX_3(x2,x3,x4))
+#define ADDR_FIX_5(x1,x2,x3,x4,x5)      (ADDR_FIX_1(x1) | ADDR_FIX_4(x2,x3,x4,x5))
+
+struct cmd_info{
+	char* name;
+	u32 opcode;
+
+#define F_LEN_MASK	(1U<<0)
+#define F_LEN_CONST  1U
+#define F_LEN_VAR    0U
+
+/* command has its own ip advance logic
+   e.g. MI_BATCH_START, MI_BATCH_END
+*/
+#define F_IP_ADVANCE_CUSTOM (1<<1)
+
+#define F_POST_HANDLE	(1<<2)
+	u32 flag;
+
+#define R_RCS	(1 << RCS )
+#define R_VCS1  (1 << VCS)
+#define R_VCS2  (1 << VCS2)
+#define R_VCS	( R_VCS1 | R_VCS2)
+#define R_BCS	(1 << BCS )
+#define R_VECS	(1 << VECS )
+#define R_ALL (R_RCS | R_VCS | R_BCS | R_VECS)
+	/* rings that support this cmd: BLT/RCS/VCS/VECS */
+	uint16_t rings;
+
+	/* devices that support this cmd: SNB/IVB/HSW/... */
+	uint16_t devices;
+
+	/* which DWords are address that need fix up.
+	 * bit 0 means a 32-bit non address operand in command
+	 * bit 1 means address operand, which could be 32-bit
+	 * or 64-bit depending on different architectures.(
+	 * defined by "gmadr_bytes_in_cmd" in pgt_device.
+	 * No matter the address length, each address only takes
+	 * one bit in the bitmap.
+	 */
+	uint16_t addr_bitmap;
+
+	/*	flag == F_LEN_CONST : command length
+		flag == F_LEN_VAR : lenght bias bits
+		Note: length is in DWord
+	 */
+	uint8_t	len;
+
+	parser_cmd_handler handler;
+};
+
+struct gvt_cmd_entry {
+	struct hlist_node hlist;
+	struct cmd_info* info;
+};
+
+typedef enum {
+	RING_BUFFER_INSTRUCTION,
+	BATCH_BUFFER_INSTRUCTION,
+	BATCH_BUFFER_2ND_LEVEL,
+}cmd_buf_t;
+
+typedef enum{
+	GTT_BUFFER,
+	PPGTT_BUFFER
+}gtt_addr_t;
+
+struct parser_exec_state {
+	struct vgt_device *vgt;
+	int ring_id;
+
+	cmd_buf_t buf_type;
+
+	/* batch buffer address type */
+	gtt_addr_t buf_addr_type;
+
+	/* graphics memory address of ring buffer start */
+	unsigned long ring_start;
+	unsigned long ring_size;
+	unsigned long ring_head;
+	unsigned long ring_tail;
+
+	/* instruction graphics memory address */
+	unsigned long ip_gma;
+
+	/* mapped va of the instr_gma */
+	void *ip_va;
+	void *rb_va;
+
+	/* next instruction when return from  batch buffer to ring buffer */
+	unsigned long ret_ip_gma_ring;
+
+	/* next instruction when return from 2nd batch buffer to batch buffer */
+	unsigned long ret_ip_gma_bb;
+
+	/* batch buffer address type (GTT or PPGTT)
+	   used when ret from 2nd level batch buffer */
+	gtt_addr_t saved_buf_addr_type;
+
+	struct cmd_info* info;
+
+	struct gvt_workload *workload;
+};
+
+void gvt_clean_cmd_parser(struct pgt_device *pdev);
+
+bool gvt_init_cmd_parser(struct pgt_device *pdev);
+
+bool gvt_scan_and_shadow_workload(struct gvt_workload *workload);
diff --git a/drivers/gpu/drm/i915/gvt/debug.h b/drivers/gpu/drm/i915/gvt/debug.h
index 953ba08..7379bce 100644
--- a/drivers/gpu/drm/i915/gvt/debug.h
+++ b/drivers/gpu/drm/i915/gvt/debug.h
@@ -76,6 +76,7 @@ enum {
 	GVT_DBG_EDID = (1 << 5),
 	GVT_DBG_EL = (1 << 6),
 	GVT_DBG_SCHED = (1 << 7),
+	GVT_DBG_CMD = (1 << 8),
 };
 
 #define gvt_dbg_core(fmt, args...) \
@@ -96,4 +97,7 @@ enum {
 #define gvt_dbg_sched(fmt, args...) \
 	gvt_dbg(GVT_DBG_SCHED, fmt, ##args)
 
+#define gvt_dbg_cmd(fmt, args...) \
+	gvt_dbg(GVT_DBG_CMD, fmt, ##args)
+
 #endif
diff --git a/drivers/gpu/drm/i915/gvt/gvt.c b/drivers/gpu/drm/i915/gvt/gvt.c
index 8b56c00..3cca46b 100644
--- a/drivers/gpu/drm/i915/gvt/gvt.c
+++ b/drivers/gpu/drm/i915/gvt/gvt.c
@@ -283,6 +283,7 @@ static bool init_service_thread(struct pgt_device *pdev)
 static void clean_pgt_device(struct pgt_device *pdev)
 {
 	clean_service_thread(pdev);
+	gvt_clean_cmd_parser(pdev);
 	gvt_clean_workload_scheduler(pdev);
 	gvt_clean_control_interface(pdev);
 	gvt_clean_gtt(pdev);
@@ -320,6 +321,9 @@ static bool init_pgt_device(struct pgt_device *pdev, struct drm_i915_private *de
 	if (!gvt_setup_control_interface(pdev))
 		goto err;
 
+	if (!gvt_init_cmd_parser(pdev))
+		goto err;
+
 	if (!init_service_thread(pdev))
 		goto err;
 
diff --git a/drivers/gpu/drm/i915/gvt/gvt.h b/drivers/gpu/drm/i915/gvt/gvt.h
index d7ff61e..16bfdca 100644
--- a/drivers/gpu/drm/i915/gvt/gvt.h
+++ b/drivers/gpu/drm/i915/gvt/gvt.h
@@ -46,6 +46,7 @@
 #include "scheduler.h"
 #include "sched_policy.h"
 #include "render.h"
+#include "cmd_parser.h"
 
 #define GVT_MAX_VGPU 8
 
@@ -228,6 +229,8 @@ struct pgt_device {
 	struct gvt_device_control control;
 
 	struct gvt_workload_scheduler workload_scheduler;
+
+	DECLARE_HASHTABLE(cmd_table, GVT_CMD_HASH_BITS);
 };
 
 /* request types to wake up main thread */
diff --git a/drivers/gpu/drm/i915/gvt/interrupt.c b/drivers/gpu/drm/i915/gvt/interrupt.c
index d0cc1a6..8400258 100644
--- a/drivers/gpu/drm/i915/gvt/interrupt.c
+++ b/drivers/gpu/drm/i915/gvt/interrupt.c
@@ -124,6 +124,55 @@ char *gvt_irq_name[GVT_EVENT_MAX] = {
 	[GVT_EVENT_RESERVED] = "RESERVED EVENTS!!!",
 };
 
+struct ring_id_to_cmd_interrupt_event {
+	int pipe_control_notify;
+	int mi_flush_dw;
+	int mi_user_interrupt;
+};
+
+struct ring_id_to_cmd_interrupt_event ring_id_to_cmd_interrupt_event[] = {
+	[RCS] = {
+		.pipe_control_notify = RCS_PIPE_CONTROL,
+		.mi_flush_dw = GVT_EVENT_RESERVED,
+		.mi_user_interrupt = RCS_MI_USER_INTERRUPT,
+	},
+	[BCS] = {
+		.pipe_control_notify = GVT_EVENT_RESERVED,
+		.mi_flush_dw = BCS_MI_FLUSH_DW,
+		.mi_user_interrupt = BCS_MI_USER_INTERRUPT,
+	},
+	[VCS] = {
+		.pipe_control_notify = GVT_EVENT_RESERVED,
+		.mi_flush_dw = VCS_MI_FLUSH_DW,
+		.mi_user_interrupt = VCS_MI_USER_INTERRUPT,
+	},
+	[VCS2] = {
+		.pipe_control_notify = GVT_EVENT_RESERVED,
+		.mi_flush_dw = VCS2_MI_FLUSH_DW,
+		.mi_user_interrupt = VCS2_MI_USER_INTERRUPT,
+	},
+	[VECS] = {
+		.pipe_control_notify = GVT_EVENT_RESERVED,
+		.mi_flush_dw = VECS_MI_FLUSH_DW,
+		.mi_user_interrupt = VECS_MI_USER_INTERRUPT,
+	},
+};
+
+int gvt_ring_id_to_pipe_control_notify_event(int ring_id)
+{
+	return ring_id_to_cmd_interrupt_event[ring_id].pipe_control_notify;
+}
+
+int gvt_ring_id_to_mi_flush_dw_event(int ring_id)
+{
+	return ring_id_to_cmd_interrupt_event[ring_id].mi_flush_dw;
+}
+
+int gvt_ring_id_to_mi_user_interrupt_event(int ring_id)
+{
+	return ring_id_to_cmd_interrupt_event[ring_id].mi_user_interrupt;
+}
+
 static inline struct gvt_irq_info *regbase_to_irq_info(struct pgt_device *pdev,
 		unsigned int reg)
 {
diff --git a/drivers/gpu/drm/i915/gvt/interrupt.h b/drivers/gpu/drm/i915/gvt/interrupt.h
index ff125fc..d00a7d9 100644
--- a/drivers/gpu/drm/i915/gvt/interrupt.h
+++ b/drivers/gpu/drm/i915/gvt/interrupt.h
@@ -250,4 +250,8 @@ void gvt_trigger_virtual_event(struct vgt_device *vgt,
 	enum gvt_event_type event);
 void gvt_inject_flip_done(struct vgt_device *vgt, int pipe);
 
+int gvt_ring_id_to_pipe_control_notify_event(int ring_id);
+int gvt_ring_id_to_mi_flush_dw_event(int ring_id);
+int gvt_ring_id_to_mi_user_interrupt_event(int ring_id);
+
 #endif /* _GVT_INTERRUPT_H_ */
diff --git a/drivers/gpu/drm/i915/gvt/perf.h b/drivers/gpu/drm/i915/gvt/perf.h
index 21b0637..6f411cf 100644
--- a/drivers/gpu/drm/i915/gvt/perf.h
+++ b/drivers/gpu/drm/i915/gvt/perf.h
@@ -36,6 +36,8 @@ struct gvt_statistics {
 	u64	gtt_mmio_wcnt;
 	u64	gtt_mmio_wcycles;
 	u64	gtt_mmio_rcycles;
+	u64	vring_scan_cnt;
+	u64	vring_scan_cycles;
 	u64	wp_cnt;
 	u64	wp_cycles;
 	u64	ppgtt_wp_cnt;
@@ -48,6 +50,7 @@ struct gvt_statistics {
 	u64	gpt_find_hit_cycles;
 	u64	gpt_find_miss_cnt;
 	u64	gpt_find_miss_cycles;
+	u64	skip_bb_cnt;
 
 };
 
diff --git a/drivers/gpu/drm/i915/gvt/scheduler.c b/drivers/gpu/drm/i915/gvt/scheduler.c
index d38aeb1..ea73b82 100644
--- a/drivers/gpu/drm/i915/gvt/scheduler.c
+++ b/drivers/gpu/drm/i915/gvt/scheduler.c
@@ -145,6 +145,11 @@ static bool dispatch_workload(struct gvt_workload *workload)
 
 	mutex_lock(&pdev->lock);
 
+	if (!gvt_scan_and_shadow_workload(workload)) {
+		workload->status = -EINVAL;
+		goto err;
+	}
+
 	if (!populate_shadow_context(workload)) {
 		workload->status = -EINVAL;
 		goto err;
@@ -309,6 +314,7 @@ static void complete_current_workload(struct pgt_device *pdev, int ring_id)
 {
 	struct gvt_workload_scheduler *scheduler = &pdev->workload_scheduler;
 	struct gvt_workload *workload;
+	int event;
 
 	mutex_lock(&pdev->lock);
 
@@ -318,6 +324,9 @@ static void complete_current_workload(struct pgt_device *pdev, int ring_id)
 		wait_event(workload->shadow_ctx_status_wq,
 				!atomic_read(&workload->shadow_ctx_active));
 		update_guest_context(workload);
+
+		for_each_set_bit(event, workload->pending_events, GVT_EVENT_MAX)
+			gvt_trigger_virtual_event(workload->vgt, event);
 	}
 
 	if (workload->req)
diff --git a/drivers/gpu/drm/i915/gvt/scheduler.h b/drivers/gpu/drm/i915/gvt/scheduler.h
index 7a8f1eb..6c87599 100644
--- a/drivers/gpu/drm/i915/gvt/scheduler.h
+++ b/drivers/gpu/drm/i915/gvt/scheduler.h
@@ -55,7 +55,7 @@ struct gvt_workload {
 	/* execlist context information */
 	struct execlist_ctx_descriptor_format ctx_desc;
 	struct execlist_ring_context *ring_context;
-	unsigned long rb_head, rb_tail, rb_ctl, rb_start;
+	unsigned long rb_head, rb_tail, rb_ctl, rb_start, rb_len;
 
 	struct gvt_mm *shadow_mm;
 
@@ -63,6 +63,9 @@ struct gvt_workload {
 	bool (*complete)(struct gvt_workload *);
 
 	struct list_head list;
+
+	DECLARE_BITMAP(pending_events, GVT_EVENT_MAX);
+	void *shadow_ring_buffer_va;
 };
 
 #define workload_q_head(vgt, ring_id) \
diff --git a/drivers/gpu/drm/i915/gvt/trace.h b/drivers/gpu/drm/i915/gvt/trace.h
index b6a9f3f..b2e20fb 100644
--- a/drivers/gpu/drm/i915/gvt/trace.h
+++ b/drivers/gpu/drm/i915/gvt/trace.h
@@ -198,6 +198,58 @@ TRACE_EVENT(oos_sync,
 		TP_printk("%s", __entry->buf)
 );
 
+#define MAX_CMD_STR_LEN	256
+TRACE_EVENT(gvt_command,
+		TP_PROTO(u8 vm_id, u8 ring_id, u32 ip_gma, u32 *cmd_va, u32 cmd_len, bool ring_buffer_cmd, cycles_t cost_pre_cmd_handler, cycles_t cost_cmd_handler),
+
+		TP_ARGS(vm_id, ring_id, ip_gma, cmd_va, cmd_len, ring_buffer_cmd, cost_pre_cmd_handler, cost_cmd_handler),
+
+		TP_STRUCT__entry(
+			__field(u8, vm_id)
+			__field(u8, ring_id)
+			__field(int, i)
+			__array(char,tmp_buf, MAX_CMD_STR_LEN)
+			__array(char, cmd_str, MAX_CMD_STR_LEN)
+			),
+
+		TP_fast_assign(
+			__entry->vm_id = vm_id;
+			__entry->ring_id = ring_id;
+			__entry->cmd_str[0] = '\0';
+			snprintf(__entry->tmp_buf, MAX_CMD_STR_LEN, "VM(%d) Ring(%d): %s ip(%08x) pre handler cost (%llu), handler cost (%llu) ", vm_id, ring_id, ring_buffer_cmd ? "RB":"BB", ip_gma, cost_pre_cmd_handler, cost_cmd_handler);
+			strcat(__entry->cmd_str, __entry->tmp_buf);
+			entry->i = 0;
+			while (cmd_len > 0) {
+				if (cmd_len >= 8) {
+					snprintf(__entry->tmp_buf, MAX_CMD_STR_LEN, "%08x %08x %08x %08x %08x %08x %08x %08x ",
+						cmd_va[__entry->i], cmd_va[__entry->i+1], cmd_va[__entry->i+2], cmd_va[__entry->i+3],
+						cmd_va[__entry->i+4],cmd_va[__entry->i+5],cmd_va[__entry->i+6],cmd_va[__entry->i+7]);
+					__entry->i += 8;
+					cmd_len -= 8;
+					strcat(__entry->cmd_str, __entry->tmp_buf);
+				} else if (cmd_len >= 4) {
+					snprintf(__entry->tmp_buf, MAX_CMD_STR_LEN, "%08x %08x %08x %08x ",
+						cmd_va[__entry->i], cmd_va[__entry->i+1], cmd_va[__entry->i+2], cmd_va[__entry->i+3]);
+					__entry->i += 4;
+					cmd_len -= 4;
+					strcat(__entry->cmd_str, __entry->tmp_buf);
+				} else if (cmd_len >= 2) {
+					snprintf(__entry->tmp_buf, MAX_CMD_STR_LEN, "%08x %08x ", cmd_va[__entry->i], cmd_va[__entry->i+1]);
+					__entry->i += 2;
+					cmd_len -= 2;
+					strcat(__entry->cmd_str, __entry->tmp_buf);
+				} else if (cmd_len == 1) {
+					snprintf(__entry->tmp_buf, MAX_CMD_STR_LEN, "%08x ", cmd_va[__entry->i]);
+					__entry->i += 1;
+					cmd_len -= 1;
+					strcat(__entry->cmd_str, __entry->tmp_buf);
+				}
+			}
+			strcat(__entry->cmd_str, "\n");
+		),
+
+		TP_printk("%s", __entry->cmd_str)
+);
 #endif /* _GVT_TRACE_H_ */
 
 /* This part must be out of protection */
-- 
1.9.1

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