drm/i915/gvt: vGPU command scanner

This patch introduces a command scanner to scan guest command buffers.
Signed-off-by: Yulei Zhang <yulei.zhang@intel.com>
Signed-off-by: Zhi Wang <zhi.a.wang@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>

drivers/gpu/drm/i915/gvt/Makefile

 GVT_DIR := gvt
 GVT_SOURCE := gvt.o aperture_gm.o handlers.o vgpu.o trace_points.o firmware.o \
 	interrupt.o gtt.o cfg_space.o opregion.o mmio.o display.o edid.o \
-	execlist.o scheduler.o sched_policy.o render.o
+	execlist.o scheduler.o sched_policy.o render.o cmd_parser.o
 
 ccflags-y                      += -I$(src) -I$(src)/$(GVT_DIR) -Wall
 i915-y			       += $(addprefix $(GVT_DIR)/, $(GVT_SOURCE))

drivers/gpu/drm/i915/gvt/cmd_parser.c

+/*
+ * 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.
+ *
+ * Authors:
+ *    Ke Yu
+ *    Kevin Tian <kevin.tian@intel.com>
+ *    Zhiyuan Lv <zhiyuan.lv@intel.com>
+ *
+ * Contributors:
+ *    Min He <min.he@intel.com>
+ *    Ping Gao <ping.a.gao@intel.com>
+ *    Tina Zhang <tina.zhang@intel.com>
+ *    Yulei Zhang <yulei.zhang@intel.com>
+ *    Zhi Wang <zhi.a.wang@intel.com>
+ *
+ */
+
+#include <linux/slab.h>
+#include "i915_drv.h"
+#include "trace.h"
+
+#define INVALID_OP    (~0U)
+
+#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_COMPONENT_PACKING		OP_3D_MEDIA(0x3, 0x0, 0x55) /* SKL+ */
+
+#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)
+
+#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 intel_gvt.
+	 * 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 : length bias bits
+	 * Note: length is in DWord
+	 */
+	uint8_t	len;
+
+	parser_cmd_handler handler;
+};
+
+struct cmd_entry {
+	struct hlist_node hlist;
+	struct cmd_info *info;
+};
+
+enum {
+	RING_BUFFER_INSTRUCTION,
+	BATCH_BUFFER_INSTRUCTION,
+	BATCH_BUFFER_2ND_LEVEL,
+};
+
+enum {
+	GTT_BUFFER,
+	PPGTT_BUFFER
+};
+
+struct parser_exec_state {
+	struct intel_vgpu *vgpu;
+	int ring_id;
+
+	int buf_type;
+
+	/* batch buffer address type */
+	int 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;
+
+	void *ret_bb_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
+	 */
+	int saved_buf_addr_type;
+
+	struct cmd_info *info;
+
+	struct intel_vgpu_workload *workload;
+};
+
+#define gmadr_dw_number(s)	\
+	(s->vgpu->gvt->device_info.gmadr_bytes_in_cmd >> 2)
+
+unsigned long bypass_scan_mask = 0;
+bool bypass_batch_buffer_scan = true;
+
+/* 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_ENGINES][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_ENGINES)
+		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 intel_gvt *gvt,
+		unsigned int opcode, int ring_id)
+{
+	struct cmd_entry *e;
+
+	hash_for_each_possible(gvt->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 *get_cmd_info(struct intel_gvt *gvt,
+		u32 cmd, int ring_id)
+{
+	u32 opcode;
+
+	opcode = get_opcode(cmd, ring_id);
+	if (opcode == INVALID_OP)
+		return NULL;
+
+	return find_cmd_entry(gvt, 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 print_opcode(u32 cmd, int ring_id)
+{
+	struct decode_info *d_info;
+	int i;
+
+	if (ring_id >= I915_NUM_ENGINES)
+		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++)
+		pr_err("0x%x ", sub_op_val(cmd, d_info->sub_op[i].hi,
+					d_info->sub_op[i].low));
+
+	pr_err("\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)
+{
+	int cnt = 0;
+	int i;
+
+	gvt_err("  vgpu%d RING%d: ring_start(%08lx) ring_end(%08lx)"
+			" ring_head(%08lx) ring_tail(%08lx)\n", s->vgpu->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)");
+		return;
+	}
+
+	gvt_err("  ip_va=%p: %08x %08x %08x %08x\n",
+			s->ip_va, cmd_val(s, 0), cmd_val(s, 1),
+			cmd_val(s, 2), cmd_val(s, 3));
+
+	print_opcode(cmd_val(s, 0), s->ring_id);
+
+	/* print the whole page to trace */
+	pr_err("    ip_va=%p: %08x %08x %08x %08x\n",
+			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) {
+		pr_err("ip_va=%p: ", s->ip_va);
+		for (i = 0; i < 8; i++)
+			pr_err("%08x ", cmd_val(s, i));
+		pr_err("\n");
+
+		s->ip_va += 8 * sizeof(u32);
+		cnt += 8;
+	}
+}
+
+static inline void update_ip_va(struct parser_exec_state *s)
+{
+	unsigned long len = 0;
+
+	if (WARN_ON(s->ring_head == s->ring_tail))
+		return;
+
+	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 && s->ip_gma < 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 */
+		s->ip_va = s->ret_bb_va;
+	}
+}
+
+static inline int ip_gma_set(struct parser_exec_state *s,
+		unsigned long ip_gma)
+{
+	WARN_ON(!IS_ALIGNED(ip_gma, 4));
+
+	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)
+{
+	s->ip_gma += (dw_len << 2);
+
+	if (s->buf_type == RING_BUFFER_INSTRUCTION) {
+		if (s->ip_gma >= s->ring_start + s->ring_size)
+			s->ip_gma -= s->ring_size;
+		update_ip_va(s);
+	} else {
+		s->ip_va += (dw_len << 2);
+	}
+
+	return 0;
+}
+
+static inline int get_cmd_length(struct cmd_info *info, u32 cmd)
+{
+	if ((info->flag & F_LEN_MASK) == F_LEN_CONST)
+		return info->len;
+	else
+		return (cmd & ((1U << info->len) - 1)) + 2;
+	return 0;
+}
+
+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 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 intel_vgpu *vgpu = s->vgpu;
+	struct intel_gvt *gvt = vgpu->gvt;
+
+	if (offset + 4 > gvt->device_info.mmio_size) {
+		gvt_err("%s access to (%x) outside of MMIO range\n",
+				cmd, offset);
+		return -EINVAL;
+	}
+
+	if (!intel_gvt_mmio_is_cmd_access(gvt, offset)) {
+		gvt_err("vgpu%d: %s access to non-render register (%x)\n",
+				s->vgpu->id, cmd, offset);
+		return 0;
+	}
+
+	if (is_shadowed_mmio(offset)) {
+		gvt_err("vgpu%d: found access of shadowed MMIO %x\n",
+				s->vgpu->id, offset);
+		return 0;
+	}
+
+	if (offset == i915_mmio_reg_offset(DERRMR) ||
+		offset == i915_mmio_reg_offset(FORCEWAKE_MT)) {
+		/* Writing to HW VGT_PVINFO_PAGE offset will be discarded */
+		patch_value(s, cmd_ptr(s, index), VGT_PVINFO_PAGE);
+	}
+
+	/* TODO: Update the global mask if this MMIO is a masked-MMIO */
+	intel_gvt_mmio_set_cmd_accessed(gvt, offset);
+	return 0;
+}
+
+#define cmd_reg(s, i) \
+	(cmd_val(s, i) & GENMASK(22, 2))
+
+#define cmd_reg_inhibit(s, i) \
+	(cmd_val(s, i) & GENMASK(22, 18))
+
+#define cmd_gma(s, i) \
+	(cmd_val(s, i) & GENMASK(31, 2))
+
+#define cmd_gma_hi(s, i) \
+	(cmd_val(s, i) & GENMASK(15, 0))
+
+static int cmd_handler_lri(struct parser_exec_state *s)
+{
+	int i, ret = 0;
+	int cmd_len = cmd_length(s);
+	struct intel_gvt *gvt = s->vgpu->gvt;
+
+	for (i = 1; i < cmd_len; i += 2) {
+		if (IS_BROADWELL(gvt->dev_priv) &&
+				(s->ring_id != RCS)) {
+			if (s->ring_id == BCS &&
+					cmd_reg(s, i) ==
+					i915_mmio_reg_offset(DERRMR))
+				ret |= 0;
+			else
+				ret |= (cmd_reg_inhibit(s, i)) ? -EINVAL : 0;
+		}
+		if (ret)
+			break;
+		ret |= cmd_reg_handler(s, cmd_reg(s, i), i, "lri");
+	}
+	return ret;
+}
+
+static int cmd_handler_lrr(struct parser_exec_state *s)
+{
+	int i, ret = 0;
+	int cmd_len = cmd_length(s);
+
+	for (i = 1; i < cmd_len; i += 2) {
+		if (IS_BROADWELL(s->vgpu->gvt->dev_priv))
+			ret |= ((cmd_reg_inhibit(s, i) ||
+					(cmd_reg_inhibit(s, i + 1)))) ?
+				-EINVAL : 0;
+		if (ret)
+			break;
+		ret |= cmd_reg_handler(s, cmd_reg(s, i), i, "lrr-src");
+		ret |= cmd_reg_handler(s, cmd_reg(s, i + 1), i, "lrr-dst");
+	}
+	return ret;
+}
+
+static inline int cmd_address_audit(struct parser_exec_state *s,
+		unsigned long guest_gma, int op_size, bool index_mode);
+
+static int cmd_handler_lrm(struct parser_exec_state *s)
+{
+	struct intel_gvt *gvt = s->vgpu->gvt;
+	int gmadr_bytes = gvt->device_info.gmadr_bytes_in_cmd;
+	unsigned long gma;
+	int i, ret = 0;
+	int cmd_len = cmd_length(s);
+
+	for (i = 1; i < cmd_len;) {
+		if (IS_BROADWELL(gvt->dev_priv))
+			ret |= (cmd_reg_inhibit(s, i)) ? -EINVAL : 0;
+		if (ret)
+			break;
+		ret |= cmd_reg_handler(s, cmd_reg(s, i), i, "lrm");
+		if (cmd_val(s, 0) & (1 << 22)) {
+			gma = cmd_gma(s, i + 1);
+			if (gmadr_bytes == 8)
+				gma |= (cmd_gma_hi(s, i + 2)) << 32;
+			ret |= cmd_address_audit(s, gma, sizeof(u32), false);
+		}
+		i += gmadr_dw_number(s) + 1;
+	}
+	return ret;
+}
+
+static int cmd_handler_srm(struct parser_exec_state *s)
+{
+	int gmadr_bytes = s->vgpu->gvt->device_info.gmadr_bytes_in_cmd;
+	unsigned long gma;
+	int i, ret = 0;
+	int cmd_len = cmd_length(s);
+
+	for (i = 1; i < cmd_len;) {
+		ret |= cmd_reg_handler(s, cmd_reg(s, i), i, "srm");
+		if (cmd_val(s, 0) & (1 << 22)) {
+			gma = cmd_gma(s, i + 1);
+			if (gmadr_bytes == 8)
+				gma |= (cmd_gma_hi(s, i + 2)) << 32;
+			ret |= cmd_address_audit(s, gma, sizeof(u32), false);
+		}
+		i += gmadr_dw_number(s) + 1;
+	}
+	return ret;
+}
+
+struct cmd_interrupt_event {
+	int pipe_control_notify;
+	int mi_flush_dw;
+	int mi_user_interrupt;
+};
+
+struct cmd_interrupt_event cmd_interrupt_events[] = {
+	[RCS] = {
+		.pipe_control_notify = RCS_PIPE_CONTROL,
+		.mi_flush_dw = INTEL_GVT_EVENT_RESERVED,
+		.mi_user_interrupt = RCS_MI_USER_INTERRUPT,
+	},
+	[BCS] = {
+		.pipe_control_notify = INTEL_GVT_EVENT_RESERVED,
+		.mi_flush_dw = BCS_MI_FLUSH_DW,
+		.mi_user_interrupt = BCS_MI_USER_INTERRUPT,
+	},
+	[VCS] = {
+		.pipe_control_notify = INTEL_GVT_EVENT_RESERVED,
+		.mi_flush_dw = VCS_MI_FLUSH_DW,
+		.mi_user_interrupt = VCS_MI_USER_INTERRUPT,
+	},
+	[VCS2] = {
+		.pipe_control_notify = INTEL_GVT_EVENT_RESERVED,
+		.mi_flush_dw = VCS2_MI_FLUSH_DW,
+		.mi_user_interrupt = VCS2_MI_USER_INTERRUPT,
+	},
+	[VECS] = {
+		.pipe_control_notify = INTEL_GVT_EVENT_RESERVED,
+		.mi_flush_dw = VECS_MI_FLUSH_DW,
+		.mi_user_interrupt = VECS_MI_USER_INTERRUPT,
+	},
+};
+
+static int cmd_handler_pipe_control(struct parser_exec_state *s)
+{
+	int gmadr_bytes = s->vgpu->gvt->device_info.gmadr_bytes_in_cmd;
+	unsigned long gma;
+	bool index_mode = false;
+	unsigned int post_sync;
+	int ret = 0;
+
+	post_sync = (cmd_val(s, 1) & PIPE_CONTROL_POST_SYNC_OP_MASK) >> 14;
+
+	/* LRI post sync */
+	if (cmd_val(s, 1) & PIPE_CONTROL_MMIO_WRITE)
+		ret = cmd_reg_handler(s, cmd_reg(s, 2), 1, "pipe_ctrl");
+	/* post sync */
+	else if (post_sync) {
+		if (post_sync == 2)
+			ret = cmd_reg_handler(s, 0x2350, 1, "pipe_ctrl");
+		else if (post_sync == 3)
+			ret = cmd_reg_handler(s, 0x2358, 1, "pipe_ctrl");
+		else if (post_sync == 1) {
+			/* check ggtt*/
+			if ((cmd_val(s, 2) & (1 << 2))) {
+				gma = cmd_val(s, 2) & GENMASK(31, 3);
+				if (gmadr_bytes == 8)
+					gma |= (cmd_gma_hi(s, 3)) << 32;
+				/* Store Data Index */
+				if (cmd_val(s, 1) & (1 << 21))
+					index_mode = true;
+				ret |= cmd_address_audit(s, gma, sizeof(u64),
+						index_mode);
+			}
+		}
+	}
+
+	if (ret)
+		return ret;
+
+	if (cmd_val(s, 1) & PIPE_CONTROL_NOTIFY)
+		set_bit(cmd_interrupt_events[s->ring_id].pipe_control_notify,
+				s->workload->pending_events);
+	return 0;
+}
+
+static int cmd_handler_mi_user_interrupt(struct parser_exec_state *s)
+{
+	set_bit(cmd_interrupt_events[s->ring_id].mi_user_interrupt,
+			s->workload->pending_events);
+	return 0;
+}
+
+static int cmd_advance_default(struct parser_exec_state *s)
+{
+	return ip_gma_advance(s, cmd_length(s));
+}
+
+static int cmd_handler_mi_batch_buffer_end(struct parser_exec_state *s)
+{
+	int ret;
+
+	if (s->buf_type == BATCH_BUFFER_2ND_LEVEL) {
+		s->buf_type = BATCH_BUFFER_INSTRUCTION;
+		ret = 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;
+		if (s->ret_ip_gma_ring >= s->ring_start + s->ring_size)
+			s->ret_ip_gma_ring -= s->ring_size;
+		ret = ip_gma_set(s, s->ret_ip_gma_ring);
+	}
+	return ret;
+}
+
+struct mi_display_flip_command_info {
+	int pipe;
+	int plane;
+	int event;
+	i915_reg_t stride_reg;
+	i915_reg_t ctrl_reg;
+	i915_reg_t surf_reg;
+	u64 stride_val;
+	u64 tile_val;
+	u64 surf_val;
+	bool async_flip;
+};
+
+struct plane_code_mapping {
+	int pipe;
+	int plane;
+	int event;
+};
+
+static int gen8_decode_mi_display_flip(struct parser_exec_state *s,
+		struct mi_display_flip_command_info *info)
+{
+	struct drm_i915_private *dev_priv = s->vgpu->gvt->dev_priv;
+	struct plane_code_mapping gen8_plane_code[] = {
+		[0] = {PIPE_A, PLANE_A, PRIMARY_A_FLIP_DONE},
+		[1] = {PIPE_B, PLANE_A, PRIMARY_B_FLIP_DONE},
+		[2] = {PIPE_A, PLANE_B, SPRITE_A_FLIP_DONE},
+		[3] = {PIPE_B, PLANE_B, SPRITE_B_FLIP_DONE},
+		[4] = {PIPE_C, PLANE_A, PRIMARY_C_FLIP_DONE},
+		[5] = {PIPE_C, PLANE_B, SPRITE_C_FLIP_DONE},
+	};
+	u32 dword0, dword1, dword2;
+	u32 v;
+
+	dword0 = cmd_val(s, 0);
+	dword1 = cmd_val(s, 1);
+	dword2 = cmd_val(s, 2);
+
+	v = (dword0 & GENMASK(21, 19)) >> 19;
+	if (WARN_ON(v >= ARRAY_SIZE(gen8_plane_code)))
+		return -EINVAL;
+
+	info->pipe = gen8_plane_code[v].pipe;
+	info->plane = gen8_plane_code[v].plane;
+	info->event = gen8_plane_code[v].event;
+	info->stride_val = (dword1 & GENMASK(15, 6)) >> 6;
+	info->tile_val = (dword1 & 0x1);
+	info->surf_val = (dword2 & GENMASK(31, 12)) >> 12;
+	info->async_flip = ((dword2 & GENMASK(1, 0)) == 0x1);
+
+	if (info->plane == PLANE_A) {
+		info->ctrl_reg = DSPCNTR(info->pipe);
+		info->stride_reg = DSPSTRIDE(info->pipe);
+		info->surf_reg = DSPSURF(info->pipe);
+	} else if (info->plane == PLANE_B) {
+		info->ctrl_reg = SPRCTL(info->pipe);
+		info->stride_reg = SPRSTRIDE(info->pipe);
+		info->surf_reg = SPRSURF(info->pipe);
+	} else {
+		WARN_ON(1);
+		return -EINVAL;
+	}
+	return 0;
+}
+
+static int skl_decode_mi_display_flip(struct parser_exec_state *s,
+		struct mi_display_flip_command_info *info)
+{
+	struct drm_i915_private *dev_priv = s->vgpu->gvt->dev_priv;
+	u32 dword0 = cmd_val(s, 0);
+	u32 dword1 = cmd_val(s, 1);
+	u32 dword2 = cmd_val(s, 2);
+	u32 plane = (dword0 & GENMASK(12, 8)) >> 8;
+
+	switch (plane) {
+	case MI_DISPLAY_FLIP_SKL_PLANE_1_A:
+		info->pipe = PIPE_A;
+		info->event = PRIMARY_A_FLIP_DONE;
+		break;
+	case MI_DISPLAY_FLIP_SKL_PLANE_1_B:
+		info->pipe = PIPE_B;
+		info->event = PRIMARY_B_FLIP_DONE;
+		break;
+	case MI_DISPLAY_FLIP_SKL_PLANE_1_C:
+		info->pipe = PIPE_B;
+		info->event = PRIMARY_C_FLIP_DONE;
+		break;
+	default:
+		gvt_err("unknown plane code %d\n", plane);
+		return -EINVAL;
+	}
+
+	info->pipe = PRIMARY_PLANE;
+	info->stride_val = (dword1 & GENMASK(15, 6)) >> 6;
+	info->tile_val = (dword1 & GENMASK(2, 0));
+	info->surf_val = (dword2 & GENMASK(31, 12)) >> 12;
+	info->async_flip = ((dword2 & GENMASK(1, 0)) == 0x1);
+
+	info->ctrl_reg = DSPCNTR(info->pipe);
+	info->stride_reg = DSPSTRIDE(info->pipe);
+	info->surf_reg = DSPSURF(info->pipe);
+
+	return 0;
+}
+
+static int gen8_check_mi_display_flip(struct parser_exec_state *s,
+		struct mi_display_flip_command_info *info)
+{
+	struct drm_i915_private *dev_priv = s->vgpu->gvt->dev_priv;
+	u32 stride, tile;
+
+	if (!info->async_flip)
+		return 0;
+
+	if (IS_SKYLAKE(dev_priv)) {
+		stride = vgpu_vreg(s->vgpu, info->stride_reg) & GENMASK(9, 0);
+		tile = (vgpu_vreg(s->vgpu, info->ctrl_reg) &
+				GENMASK(12, 10)) >> 10;
+	} else {
+		stride = (vgpu_vreg(s->vgpu, info->stride_reg) &
+				GENMASK(15, 6)) >> 6;
+		tile = (vgpu_vreg(s->vgpu, info->ctrl_reg) & (1 << 10)) >> 10;
+	}
+
+	if (stride != info->stride_val)
+		gvt_dbg_cmd("cannot change stride during async flip\n");
+
+	if (tile != info->tile_val)
+		gvt_dbg_cmd("cannot change tile during async flip\n");
+
+	return 0;
+}
+
+static int gen8_update_plane_mmio_from_mi_display_flip(
+		struct parser_exec_state *s,
+		struct mi_display_flip_command_info *info)
+{
+	struct drm_i915_private *dev_priv = s->vgpu->gvt->dev_priv;
+	struct intel_vgpu *vgpu = s->vgpu;
+
+#define write_bits(reg, e, s, v) do { \
+	vgpu_vreg(vgpu, reg) &= ~GENMASK(e, s); \
+	vgpu_vreg(vgpu, reg) |= (v << s); \
+} while (0)
+
+	write_bits(info->surf_reg, 31, 12, info->surf_val);
+	if (IS_SKYLAKE(dev_priv))
+		write_bits(info->stride_reg, 9, 0, info->stride_val);
+	else
+		write_bits(info->stride_reg, 15, 6, info->stride_val);
+	write_bits(info->ctrl_reg, IS_SKYLAKE(dev_priv) ? 12 : 10,
+		   10, info->tile_val);
+
+#undef write_bits
+
+	vgpu_vreg(vgpu, PIPE_FRMCOUNT_G4X(info->pipe))++;
+	intel_vgpu_trigger_virtual_event(vgpu, info->event);
+	return 0;
+}
+
+static int decode_mi_display_flip(struct parser_exec_state *s,
+		struct mi_display_flip_command_info *info)
+{
+	struct drm_i915_private *dev_priv = s->vgpu->gvt->dev_priv;
+
+	if (IS_BROADWELL(dev_priv))
+		return gen8_decode_mi_display_flip(s, info);
+	if (IS_SKYLAKE(dev_priv))
+		return skl_decode_mi_display_flip(s, info);
+
+	return -ENODEV;
+}
+
+static int check_mi_display_flip(struct parser_exec_state *s,
+		struct mi_display_flip_command_info *info)
+{
+	struct drm_i915_private *dev_priv = s->vgpu->gvt->dev_priv;
+
+	if (IS_BROADWELL(dev_priv) || IS_SKYLAKE(dev_priv))
+		return gen8_check_mi_display_flip(s, info);
+	return -ENODEV;
+}
+
+static int update_plane_mmio_from_mi_display_flip(
+		struct parser_exec_state *s,
+		struct mi_display_flip_command_info *info)
+{
+	struct drm_i915_private *dev_priv = s->vgpu->gvt->dev_priv;
+
+	if (IS_BROADWELL(dev_priv) || IS_SKYLAKE(dev_priv))
+		return gen8_update_plane_mmio_from_mi_display_flip(s, info);
+	return -ENODEV;
+}
+
+static int cmd_handler_mi_display_flip(struct parser_exec_state *s)
+{
+	struct mi_display_flip_command_info info;
+	int ret;
+	int i;
+	int len = cmd_length(s);
+
+	ret = decode_mi_display_flip(s, &info);
+	if (ret) {
+		gvt_err("fail to decode MI display flip command\n");
+		return ret;
+	}
+
+	ret = check_mi_display_flip(s, &info);
+	if (ret) {
+		gvt_err("invalid MI display flip command\n");
+		return ret;
+	}
+
+	ret = update_plane_mmio_from_mi_display_flip(s, &info);
+	if (ret) {
+		gvt_err("fail to update plane mmio\n");
+		return ret;
+	}
+
+	for (i = 0; i < len; i++)
+		patch_value(s, cmd_ptr(s, i), MI_NOOP);
+	return 0;
+}
+
+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 cmd_handler_mi_wait_for_event(struct parser_exec_state *s)
+{
+	u32 cmd = cmd_val(s, 0);
+
+	if (!is_wait_for_flip_pending(cmd))
+		return 0;
+
+	patch_value(s, cmd_ptr(s, 0), MI_NOOP);
+	return 0;
+}
+
+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->vgpu->gvt->device_info.gmadr_bytes_in_cmd;
+
+	if (WARN_ON(gmadr_bytes != 4 && gmadr_bytes != 8))
+		return INTEL_GVT_INVALID_ADDR;
+
+	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 int cmd_address_audit(struct parser_exec_state *s,
+		unsigned long guest_gma, int op_size, bool index_mode)
+{
+	struct intel_vgpu *vgpu = s->vgpu;
+	u32 max_surface_size = vgpu->gvt->device_info.max_surface_size;
+	int i;
+	int ret;
+
+	if (op_size > max_surface_size) {
+		gvt_err("command address audit fail name %s\n", s->info->name);
+		return -EINVAL;
+	}
+
+	if (index_mode)	{
+		if (guest_gma >= GTT_PAGE_SIZE / sizeof(u64)) {
+			ret = -EINVAL;
+			goto err;
+		}
+	} else if ((!vgpu_gmadr_is_valid(s->vgpu, guest_gma)) ||
+			(!vgpu_gmadr_is_valid(s->vgpu,
+					      guest_gma + op_size - 1))) {
+		ret = -EINVAL;
+		goto err;
+	}
+	return 0;
+err:
+	gvt_err("cmd_parser: Malicious %s detected, addr=0x%lx, len=%d!\n",
+			s->info->name, guest_gma, op_size);
+
+	pr_err("cmd dump: ");
+	for (i = 0; i < cmd_length(s); i++) {
+		if (!(i % 4))
+			pr_err("\n%08x ", cmd_val(s, i));
+		else
+			pr_err("%08x ", cmd_val(s, i));
+	}
+	pr_err("\nvgpu%d: aperture 0x%llx - 0x%llx, hidden 0x%llx - 0x%llx\n",
+			vgpu->id,
+			vgpu_aperture_gmadr_base(vgpu),
+			vgpu_aperture_gmadr_end(vgpu),
+			vgpu_hidden_gmadr_base(vgpu),
+			vgpu_hidden_gmadr_end(vgpu));
+	return ret;
+}
+
+static int cmd_handler_mi_store_data_imm(struct parser_exec_state *s)
+{
+	int gmadr_bytes = s->vgpu->gvt->device_info.gmadr_bytes_in_cmd;
+	int op_size = (cmd_length(s) - 3) * sizeof(u32);
+	int core_id = (cmd_val(s, 2) & (1 << 0)) ? 1 : 0;
+	unsigned long gma, gma_low, gma_high;
+	int ret = 0;
+
+	/* check ppggt */
+	if (!(cmd_val(s, 0) & (1 << 22)))
+		return 0;
+
+	gma = cmd_val(s, 2) & GENMASK(31, 2);
+
+	if (gmadr_bytes == 8) {
+		gma_low = cmd_val(s, 1) & GENMASK(31, 2);
+		gma_high = cmd_val(s, 2) & GENMASK(15, 0);
+		gma = (gma_high << 32) | gma_low;
+		core_id = (cmd_val(s, 1) & (1 << 0)) ? 1 : 0;
+	}
+	ret = cmd_address_audit(s, gma + op_size * core_id, op_size, false);
+	return ret;
+}
+
+static inline int unexpected_cmd(struct parser_exec_state *s)
+{
+	gvt_err("vgpu%d: Unexpected %s in command buffer!\n",
+			s->vgpu->id, s->info->name);
+	return -EINVAL;
+}
+
+static int cmd_handler_mi_semaphore_wait(struct parser_exec_state *s)
+{
+	return unexpected_cmd(s);
+}
+
+static int cmd_handler_mi_report_perf_count(struct parser_exec_state *s)
+{
+	return unexpected_cmd(s);
+}
+
+static int cmd_handler_mi_op_2e(struct parser_exec_state *s)
+{
+	return unexpected_cmd(s);
+}
+
+static int cmd_handler_mi_op_2f(struct parser_exec_state *s)
+{
+	int gmadr_bytes = s->vgpu->gvt->device_info.gmadr_bytes_in_cmd;
+	int op_size = ((1 << (cmd_val(s, 0) & GENMASK(20, 19) >> 19)) *
+			sizeof(u32));
+	unsigned long gma, gma_high;
+	int ret = 0;
+
+	if (!(cmd_val(s, 0) & (1 << 22)))
+		return ret;
+
+	gma = cmd_val(s, 1) & GENMASK(31, 2);
+	if (gmadr_bytes == 8) {
+		gma_high = cmd_val(s, 2) & GENMASK(15, 0);
+		gma = (gma_high << 32) | gma;
+	}
+	ret = cmd_address_audit(s, gma, op_size, false);
+	return ret;
+}
+
+static int cmd_handler_mi_store_data_index(struct parser_exec_state *s)
+{
+	return unexpected_cmd(s);
+}
+
+static int cmd_handler_mi_clflush(struct parser_exec_state *s)
+{
+	return unexpected_cmd(s);
+}
+
+static int cmd_handler_mi_conditional_batch_buffer_end(
+		struct parser_exec_state *s)
+{
+	return unexpected_cmd(s);
+}
+
+static int cmd_handler_mi_update_gtt(struct parser_exec_state *s)
+{
+	return unexpected_cmd(s);
+}
+
+static int cmd_handler_mi_flush_dw(struct parser_exec_state *s)
+{
+	int gmadr_bytes = s->vgpu->gvt->device_info.gmadr_bytes_in_cmd;
+	unsigned long gma;
+	bool index_mode = false;
+	int ret = 0;
+
+	/* Check post-sync and ppgtt bit */
+	if (((cmd_val(s, 0) >> 14) & 0x3) && (cmd_val(s, 1) & (1 << 2))) {
+		gma = cmd_val(s, 1) & GENMASK(31, 3);
+		if (gmadr_bytes == 8)
+			gma |= (cmd_val(s, 2) & GENMASK(15, 0)) << 32;
+		/* Store Data Index */
+		if (cmd_val(s, 0) & (1 << 21))
+			index_mode = true;
+		ret = cmd_address_audit(s, gma, sizeof(u64), index_mode);
+	}
+	/* Check notify bit */
+	if ((cmd_val(s, 0) & (1 << 8)))
+		set_bit(cmd_interrupt_events[s->ring_id].mi_flush_dw,
+				s->workload->pending_events);
+	return ret;
+}
+
+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;
+	}
+}
+
+
+static int copy_gma_to_hva(struct intel_vgpu *vgpu, struct intel_vgpu_mm *mm,
+		unsigned long gma, unsigned long end_gma, void *va)
+{
+	unsigned long copy_len, offset;
+	unsigned long len = 0;
+	unsigned long gpa;
+
+	while (gma != end_gma) {
+		gpa = intel_vgpu_gma_to_gpa(mm, gma);
+		if (gpa == INTEL_GVT_INVALID_ADDR) {
+			gvt_err("invalid gma address: %lx\n", gma);
+			return -EFAULT;
+		}
+
+		offset = gma & (GTT_PAGE_SIZE - 1);
+
+		copy_len = (end_gma - gma) >= (GTT_PAGE_SIZE - offset) ?
+			GTT_PAGE_SIZE - offset : end_gma - gma;
+
+		intel_gvt_hypervisor_read_gpa(vgpu, gpa, va + len, copy_len);
+
+		len += copy_len;
+		gma += copy_len;
+	}
+	return 0;
+}
+
+
+/*
+ * 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 intel_gvt *gvt = s->vgpu->gvt;
+
+	if (bypass_batch_buffer_scan)
+		return 0;
+
+	if (IS_BROADWELL(gvt->dev_priv) || IS_SKYLAKE(gvt->dev_priv)) {
+		/* BDW decides privilege based on address space */
+		if (cmd_val(s, 0) & (1 << 8))
+			return 0;
+	}
+	return 1;
+}
+
+static uint32_t find_bb_size(struct parser_exec_state *s)
+{
+	unsigned long gma = 0;
+	struct cmd_info *info;
+	uint32_t bb_size = 0;
+	uint32_t cmd_len = 0;
+	bool met_bb_end = false;
+	u32 cmd;
+
+	/* get the start gm address of the batch buffer */
+	gma = get_gma_bb_from_cmd(s, 1);
+	cmd = cmd_val(s, 0);
+
+	info = get_cmd_info(s->vgpu->gvt, cmd, s->ring_id);
+	if (info == NULL) {
+		gvt_err("unknown cmd 0x%x, opcode=0x%x\n",
+				cmd, get_opcode(cmd, s->ring_id));
+		return -EINVAL;
+	}
+	do {
+		copy_gma_to_hva(s->vgpu, s->vgpu->gtt.ggtt_mm,
+				gma, gma + 4, &cmd);
+		info = get_cmd_info(s->vgpu->gvt, cmd, s->ring_id);
+		if (info == NULL) {
+			gvt_err("unknown cmd 0x%x, opcode=0x%x\n",
+				cmd, get_opcode(cmd, s->ring_id));
+			return -EINVAL;
+		}
+
+		if (info->opcode == OP_MI_BATCH_BUFFER_END) {
+			met_bb_end = true;
+		} else if (info->opcode == OP_MI_BATCH_BUFFER_START) {
+			if (BATCH_BUFFER_2ND_LEVEL_BIT(cmd) == 0) {
+				/* chained batch buffer */
+				met_bb_end = true;
+			}
+		}
+		cmd_len = get_cmd_length(info, cmd) << 2;
+		bb_size += cmd_len;
+		gma += cmd_len;
+
+	} while (!met_bb_end);
+
+	return bb_size;
+}
+
+static u32 *vmap_batch(struct drm_i915_gem_object *obj,
+		       unsigned int start, unsigned int len)
+{
+	int i;
+	void *addr = NULL;
+	struct sg_page_iter sg_iter;
+	int first_page = start >> PAGE_SHIFT;
+	int last_page = (len + start + 4095) >> PAGE_SHIFT;
+	int npages = last_page - first_page;
+	struct page **pages;
+
+	pages = drm_malloc_ab(npages, sizeof(*pages));
+	if (pages == NULL) {
+		DRM_DEBUG_DRIVER("Failed to get space for pages\n");
+		goto finish;
+	}
+
+	i = 0;
+	for_each_sg_page(obj->pages->sgl, &sg_iter, obj->pages->nents,
+			 first_page) {
+		pages[i++] = sg_page_iter_page(&sg_iter);
+		if (i == npages)
+			break;
+	}
+
+	addr = vmap(pages, i, 0, PAGE_KERNEL);
+	if (addr == NULL) {
+		DRM_DEBUG_DRIVER("Failed to vmap pages\n");
+		goto finish;
+	}
+
+finish:
+	if (pages)
+		drm_free_large(pages);
+	return (u32 *)addr;
+}
+
+
+static int perform_bb_shadow(struct parser_exec_state *s)
+{
+	struct intel_shadow_bb_entry *entry_obj;
+	unsigned long gma = 0;
+	uint32_t bb_size;
+	void *dst = NULL;
+	int ret = 0;
+
+	/* get the start gm address of the batch buffer */
+	gma = get_gma_bb_from_cmd(s, 1);
+
+	/* get the size of the batch buffer */
+	bb_size = find_bb_size(s);
+
+	/* allocate shadow batch buffer */
+	entry_obj = kmalloc(sizeof(*entry_obj), GFP_KERNEL);
+	if (entry_obj == NULL)
+		return -ENOMEM;
+
+	entry_obj->obj = i915_gem_object_create(&(s->vgpu->gvt->dev_priv->drm),
+		round_up(bb_size, PAGE_SIZE));
+	if (entry_obj->obj == NULL)
+		return -ENOMEM;
+	entry_obj->len = bb_size;
+	INIT_LIST_HEAD(&entry_obj->list);
+
+	ret = i915_gem_object_get_pages(entry_obj->obj);
+	if (ret)
+		return ret;
+
+	i915_gem_object_pin_pages(entry_obj->obj);
+
+	/* get the va of the shadow batch buffer */
+	dst = (void *)vmap_batch(entry_obj->obj, 0, bb_size);
+	if (!dst) {
+		gvt_err("failed to vmap shadow batch\n");
+		ret = -ENOMEM;
+		goto unpin_src;
+	}
+
+	ret = i915_gem_object_set_to_cpu_domain(entry_obj->obj, false);
+	if (ret) {
+		gvt_err("failed to set shadow batch to CPU\n");
+		goto unmap_src;
+	}
+
+	entry_obj->va = dst;
+	entry_obj->bb_start_cmd_va = s->ip_va;
+
+	/* copy batch buffer to shadow batch buffer*/
+	ret = copy_gma_to_hva(s->vgpu, s->vgpu->gtt.ggtt_mm,
+				gma, gma + bb_size, dst);
+	if (ret) {
+		gvt_err("fail to copy guest ring buffer\n");
+		return ret;
+	}
+
+	list_add(&entry_obj->list, &s->workload->shadow_bb);
+	/*
+	 * ip_va saves the virtual address of the shadow batch buffer, while
+	 * ip_gma saves the graphics address of the original batch buffer.
+	 * As the shadow batch buffer is just a copy from the originial one,
+	 * it should be right to use shadow batch buffer'va and original batch
+	 * buffer's gma in pair. After all, we don't want to pin the shadow
+	 * buffer here (too early).
+	 */
+	s->ip_va = dst;
+	s->ip_gma = gma;
+
+	return 0;
+
+unmap_src:
+	vunmap(dst);
+unpin_src:
+	i915_gem_object_unpin_pages(entry_obj->obj);
+
+	return ret;
+}
+
+static int cmd_handler_mi_batch_buffer_start(struct parser_exec_state *s)
+{
+	bool second_level;
+	int ret = 0;
+
+	if (s->buf_type == BATCH_BUFFER_2ND_LEVEL) {
+		gvt_err("Found MI_BATCH_BUFFER_START in 2nd level BB\n");
+		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 BB from RB is not allowed\n");
+		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);
+		s->ret_bb_va = s->ip_va + cmd_length(s) * sizeof(u32);
+	}
+
+	if (batch_buffer_needs_scan(s)) {
+		ret = perform_bb_shadow(s);
+		if (ret < 0)
+			gvt_err("invalid shadow batch buffer\n");
+	} else {
+		/* emulate a batch buffer end to do return right */
+		ret = cmd_handler_mi_batch_buffer_end(s);
+		if (ret < 0)
+			return ret;
+	}
+
+	return ret;
+}
+
+static struct cmd_info cmd_info[] = {
+	{"MI_NOOP", OP_MI_NOOP, F_LEN_CONST, 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, cmd_handler_mi_user_interrupt},
+
+	{"MI_WAIT_FOR_EVENT", OP_MI_WAIT_FOR_EVENT, F_LEN_CONST, R_RCS | R_BCS,
+		D_ALL, 0, 1, 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,
+		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, 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_PLUS, 0, 8, NULL},
+
+	{"ME_SEMAPHORE_WAIT", OP_MI_SEMAPHORE_WAIT, F_LEN_VAR, R_ALL, D_BDW_PLUS,
+		ADDR_FIX_1(2), 8, cmd_handler_mi_semaphore_wait},
+
+	{"MI_STORE_DATA_IMM", OP_MI_STORE_DATA_IMM, F_LEN_VAR, R_ALL, D_BDW_PLUS,
+		ADDR_FIX_1(1), 10, cmd_handler_mi_store_data_imm},
+
+	{"MI_STORE_DATA_INDEX", OP_MI_STORE_DATA_INDEX, F_LEN_VAR, R_ALL, D_ALL,
+		0, 8, cmd_handler_mi_store_data_index},
+
+	{"MI_LOAD_REGISTER_IMM", OP_MI_LOAD_REGISTER_IMM, F_LEN_VAR, R_ALL,
+		D_ALL, 0, 8, cmd_handler_lri},
+
+	{"MI_UPDATE_GTT", OP_MI_UPDATE_GTT, F_LEN_VAR, R_ALL, D_BDW_PLUS, 0, 10,
+		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, cmd_handler_srm},
+
+	{"MI_FLUSH_DW", OP_MI_FLUSH_DW, F_LEN_VAR, R_ALL, D_ALL, 0, 6,
+		cmd_handler_mi_flush_dw},
+
+	{"MI_CLFLUSH", OP_MI_CLFLUSH, F_LEN_VAR, R_ALL, D_ALL, ADDR_FIX_1(1),
+		10, cmd_handler_mi_clflush},
+
+	{"MI_REPORT_PERF_COUNT", OP_MI_REPORT_PERF_COUNT, F_LEN_VAR, R_ALL,
+		D_ALL, ADDR_FIX_1(1), 6, cmd_handler_mi_report_perf_count},
+
+	{"MI_LOAD_REGISTER_MEM", OP_MI_LOAD_REGISTER_MEM, F_LEN_VAR, R_ALL,
+		D_ALL, ADDR_FIX_1(2), 8, cmd_handler_lrm},
+
+	{"MI_LOAD_REGISTER_REG", OP_MI_LOAD_REGISTER_REG, F_LEN_VAR, R_ALL,
+		D_ALL, 0, 8, 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_PLUS, ADDR_FIX_2(1, 2),
+		8, cmd_handler_mi_op_2e},
+
+	{"MI_OP_2F", OP_MI_2F, F_LEN_VAR, R_ALL, D_BDW_PLUS, ADDR_FIX_1(1),
+		8, cmd_handler_mi_op_2f},
+
+	{"MI_BATCH_BUFFER_START", OP_MI_BATCH_BUFFER_START,
+		F_IP_ADVANCE_CUSTOM, R_ALL, D_ALL, 0, 8,
+		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,
+		cmd_handler_mi_conditional_batch_buffer_end},
+
+	{"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_PLUS, 0, 8, NULL},
+
+	{"3DSTATE_VF_SGVS", OP_3DSTATE_VF_SGVS, F_LEN_VAR, R_RCS, D_BDW_PLUS, 0, 8,
+		NULL},
+
+	{"3DSTATE_VF_TOPOLOGY", OP_3DSTATE_VF_TOPOLOGY, F_LEN_VAR, R_RCS,
+		D_BDW_PLUS, 0, 8, NULL},
+
+	{"3DSTATE_WM_CHROMAKEY", OP_3DSTATE_WM_CHROMAKEY, F_LEN_VAR, R_RCS,
+		D_BDW_PLUS, 0, 8, NULL},
+
+	{"3DSTATE_PS_BLEND", OP_3DSTATE_PS_BLEND, F_LEN_VAR, R_RCS, D_BDW_PLUS, 0,
+		8, NULL},
+
+	{"3DSTATE_WM_DEPTH_STENCIL", OP_3DSTATE_WM_DEPTH_STENCIL, F_LEN_VAR,
+		R_RCS, D_BDW_PLUS, 0, 8, NULL},
+
+	{"3DSTATE_PS_EXTRA", OP_3DSTATE_PS_EXTRA, F_LEN_VAR, R_RCS, D_BDW_PLUS, 0,
+		8, NULL},
+
+	{"3DSTATE_RASTER", OP_3DSTATE_RASTER, F_LEN_VAR, R_RCS, D_BDW_PLUS, 0, 8,
+		NULL},
+
+	{"3DSTATE_SBE_SWIZ", OP_3DSTATE_SBE_SWIZ, F_LEN_VAR, R_RCS, D_BDW_PLUS, 0, 8,
+		NULL},
+
+	{"3DSTATE_WM_HZ_OP", OP_3DSTATE_WM_HZ_OP, F_LEN_VAR, R_RCS, D_BDW_PLUS, 0, 8,
+		NULL},
+
+	{"3DSTATE_VERTEX_BUFFERS", OP_3DSTATE_VERTEX_BUFFERS, F_LEN_VAR, R_RCS,
+		D_BDW_PLUS, 0, 8, NULL},
+
+	{"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_PLUS, 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_PLUS, 0, 8, NULL},
+
+	{"3DSTATE_CONSTANT_PS", OP_3DSTATE_CONSTANT_PS, F_LEN_VAR, R_RCS,
+		D_BDW_PLUS, 0, 8, NULL},
+
+	{"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_PLUS, 0, 8, NULL},
+
+	{"3DSTATE_CONSTANT_DS", OP_3DSTATE_CONSTANT_DS, F_LEN_VAR, R_RCS,
+		D_BDW_PLUS, 0, 8, NULL},
+
+	{"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_PLUS, 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_PLUS,
+		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_PLUS, ADDR_FIX_1(1), 8, NULL},
+
+	{"3DSTATE_GATHER_POOL_ALLOC", OP_3DSTATE_GATHER_POOL_ALLOC,
+		F_LEN_VAR, R_RCS, D_BDW_PLUS, 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_PLUS, ADDR_FIX_1(1), 8, NULL},
+
+	{"3DSTATE_SAMPLE_PATTERN", OP_3DSTATE_SAMPLE_PATTERN, F_LEN_VAR, R_RCS,
+		D_BDW_PLUS, 0, 8, NULL},
+
+	{"PIPE_CONTROL", OP_PIPE_CONTROL, F_LEN_VAR, R_RCS, D_ALL,
+		ADDR_FIX_1(2), 8, 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_PLUS,
+		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_PLUS,
+		0, 8, NULL},
+
+	{"3DSTATE_COMPONENT_PACKING", OP_3DSTATE_COMPONENT_PACKING, F_LEN_VAR, R_RCS,
+		D_SKL_PLUS, 0, 8, NULL},
+
+	{"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_PLUS, 0, 12, NULL},
+
+	{"MFX_IND_OBJ_BASE_ADDR_STATE", OP_MFX_IND_OBJ_BASE_ADDR_STATE,
+		F_LEN_VAR, R_VCS, D_BDW_PLUS, 0, 12, NULL},
+
+	{"MFX_BSP_BUF_BASE_ADDR_STATE", OP_MFX_BSP_BUF_BASE_ADDR_STATE,
+		F_LEN_VAR, R_VCS, D_BDW_PLUS, 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_PLUS, 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},
+
+	{"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, NULL},
+
+	{"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 void add_cmd_entry(struct intel_gvt *gvt, struct cmd_entry *e)
+{
+	hash_add(gvt->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!\n");
+		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->vgpu->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 int cmd_parser_exec(struct parser_exec_state *s)
+{
+	struct cmd_info *info;
+	u32 cmd;
+	int ret = 0;
+	cycles_t t0, t1, t2;
+	struct parser_exec_state s_before_advance_custom;
+
+	t0 = get_cycles();
+
+	cmd = cmd_val(s, 0);
+
+	info = get_cmd_info(s->vgpu->gvt, cmd, s->ring_id);
+	if (info == NULL) {
+		gvt_err("unknown cmd 0x%x, opcode=0x%x\n",
+				cmd, get_opcode(cmd, s->ring_id));
+		return -EINVAL;
+	}
+
+	gvt_dbg_cmd("%s\n", info->name);
+
+	s->info = info;
+
+	t1 = get_cycles();
+
+	memcpy(&s_before_advance_custom, s, sizeof(struct parser_exec_state));
+
+	if (info->handler) {
+		ret = info->handler(s);
+		if (ret < 0) {
+			gvt_err("%s handler error\n", info->name);
+			return ret;
+		}
+	}
+	t2 = get_cycles();
+
+	trace_cs_command(&s_before_advance_custom, t1 - t0, t2 - t1);
+
+	if (!(info->flag & F_IP_ADVANCE_CUSTOM)) {
+		ret = cmd_advance_default(s);
+		if (ret) {
+			gvt_err("%s IP advance error\n", info->name);
+			return ret;
+		}
+	}
+	return 0;
+}
+
+static inline bool gma_out_of_range(unsigned long gma,
+		unsigned long gma_head, unsigned int gma_tail)
+{
+	if (gma_tail >= gma_head)
+		return (gma < gma_head) || (gma > gma_tail);
+	else
+		return (gma > gma_tail) && (gma < gma_head);
+}
+
+static int command_scan(struct parser_exec_state *s,
+		unsigned long rb_head, unsigned long rb_tail,
+		unsigned long rb_start, unsigned long rb_len)
+{
+
+	unsigned long gma_head, gma_tail, gma_bottom;
+	int ret = 0;
+
+	gma_head = rb_start + rb_head;
+	gma_tail = rb_start + rb_tail;
+	gma_bottom = rb_start +  rb_len;
+
+	gvt_dbg_cmd("scan_start: start=%lx end=%lx\n", gma_head, gma_tail);
+
+	while (s->ip_gma != gma_tail) {
+		if (s->buf_type == RING_BUFFER_INSTRUCTION) {
+			if (!(s->ip_gma >= rb_start) ||
+				!(s->ip_gma < gma_bottom)) {
+				gvt_err("ip_gma %lx out of ring scope."
+					"(base:0x%lx, bottom: 0x%lx)\n",
+					s->ip_gma, rb_start,
+					gma_bottom);
+				parser_exec_state_dump(s);
+				return -EINVAL;
+			}
+			if (gma_out_of_range(s->ip_gma, gma_head, gma_tail)) {
+				gvt_err("ip_gma %lx out of range."
+					"base 0x%lx head 0x%lx tail 0x%lx\n",
+					s->ip_gma, rb_start,
+					rb_head, rb_tail);
+				parser_exec_state_dump(s);
+				break;
+			}
+		}
+		ret = cmd_parser_exec(s);
+		if (ret) {
+			gvt_err("cmd parser error\n");
+			parser_exec_state_dump(s);
+			break;
+		}
+	}
+
+	gvt_dbg_cmd("scan_end\n");
+
+	return ret;
+}
+
+static int scan_workload(struct intel_vgpu_workload *workload)
+{
+	unsigned long gma_head, gma_tail, gma_bottom;
+	struct parser_exec_state s;
+	int ret = 0;
+
+	/* ring base is page aligned */
+	if (WARN_ON(!IS_ALIGNED(workload->rb_start, GTT_PAGE_SIZE)))
+		return -EINVAL;
+
+	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.vgpu = workload->vgpu;
+	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 0;
+
+	ret = ip_gma_set(&s, gma_head);
+	if (ret)
+		goto out;
+
+	ret = command_scan(&s, workload->rb_head, workload->rb_tail,
+		workload->rb_start, _RING_CTL_BUF_SIZE(workload->rb_ctl));
+
+out:
+	return ret;
+}
+
+static int scan_wa_ctx(struct intel_shadow_wa_ctx *wa_ctx)
+{
+
+	unsigned long gma_head, gma_tail, gma_bottom, ring_size, ring_tail;
+	struct parser_exec_state s;
+	int ret = 0;
+
+	/* ring base is page aligned */
+	if (WARN_ON(!IS_ALIGNED(wa_ctx->indirect_ctx.guest_gma, GTT_PAGE_SIZE)))
+		return -EINVAL;
+
+	ring_tail = wa_ctx->indirect_ctx.size + 3 * sizeof(uint32_t);
+	ring_size = round_up(wa_ctx->indirect_ctx.size + CACHELINE_BYTES,
+			PAGE_SIZE);
+	gma_head = wa_ctx->indirect_ctx.guest_gma;
+	gma_tail = wa_ctx->indirect_ctx.guest_gma + ring_tail;
+	gma_bottom = wa_ctx->indirect_ctx.guest_gma + ring_size;
+
+	s.buf_type = RING_BUFFER_INSTRUCTION;
+	s.buf_addr_type = GTT_BUFFER;
+	s.vgpu = wa_ctx->workload->vgpu;
+	s.ring_id = wa_ctx->workload->ring_id;
+	s.ring_start = wa_ctx->indirect_ctx.guest_gma;
+	s.ring_size = ring_size;
+	s.ring_head = gma_head;
+	s.ring_tail = gma_tail;
+	s.rb_va = wa_ctx->indirect_ctx.shadow_va;
+	s.workload = wa_ctx->workload;
+
+	ret = ip_gma_set(&s, gma_head);
+	if (ret)
+		goto out;
+
+	ret = command_scan(&s, 0, ring_tail,
+		wa_ctx->indirect_ctx.guest_gma, ring_size);
+out:
+	return ret;
+}
+
+static int shadow_workload_ring_buffer(struct intel_vgpu_workload *workload)
+{
+	struct intel_vgpu *vgpu = workload->vgpu;
+	int ring_id = workload->ring_id;
+	struct i915_gem_context *shadow_ctx = vgpu->shadow_ctx;
+	struct intel_ring *ring = shadow_ctx->engine[ring_id].ring;
+	unsigned long gma_head, gma_tail, gma_top, guest_rb_size;
+	unsigned int 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_ring_begin(workload->req, workload->rb_len / 4);
+	if (ret)
+		return ret;
+
+	/* get shadow ring buffer va */
+	workload->shadow_ring_buffer_va = ring->vaddr + ring->tail;
+
+	/* head > tail --> copy head <-> top */
+	if (gma_head > gma_tail) {
+		ret = copy_gma_to_hva(vgpu, vgpu->gtt.ggtt_mm,
+				gma_head, gma_top,
+				workload->shadow_ring_buffer_va);
+		if (ret) {
+			gvt_err("fail to copy guest ring buffer\n");
+			return ret;
+		}
+		copy_len = gma_top - gma_head;
+		gma_head = workload->rb_start;
+	}
+
+	/* copy head or start <-> tail */
+	ret = copy_gma_to_hva(vgpu, vgpu->gtt.ggtt_mm,
+			gma_head, gma_tail,
+			workload->shadow_ring_buffer_va + copy_len);
+	if (ret) {
+		gvt_err("fail to copy guest ring buffer\n");
+		return ret;
+	}
+	ring->tail += workload->rb_len;
+	intel_ring_advance(ring);
+	return 0;
+}
+
+int intel_gvt_scan_and_shadow_workload(struct intel_vgpu_workload *workload)
+{
+	int ret;
+
+	ret = shadow_workload_ring_buffer(workload);
+	if (ret) {
+		gvt_err("fail to shadow workload ring_buffer\n");
+		return ret;
+	}
+
+	ret = scan_workload(workload);
+	if (ret) {
+		gvt_err("scan workload error\n");
+		return ret;
+	}
+	return 0;
+}
+
+static int shadow_indirect_ctx(struct intel_shadow_wa_ctx *wa_ctx)
+{
+	struct drm_device *dev = &wa_ctx->workload->vgpu->gvt->dev_priv->drm;
+	int ctx_size = wa_ctx->indirect_ctx.size;
+	unsigned long guest_gma = wa_ctx->indirect_ctx.guest_gma;
+	int ret = 0;
+	void *dest = NULL;
+
+	wa_ctx->indirect_ctx.obj = i915_gem_object_create(dev,
+			round_up(ctx_size + CACHELINE_BYTES, PAGE_SIZE));
+	if (wa_ctx->indirect_ctx.obj == NULL)
+		return -ENOMEM;
+
+	ret = i915_gem_object_get_pages(wa_ctx->indirect_ctx.obj);
+	if (ret)
+		return ret;
+
+	i915_gem_object_pin_pages(wa_ctx->indirect_ctx.obj);
+
+	/* get the va of the shadow batch buffer */
+	dest = (void *)vmap_batch(wa_ctx->indirect_ctx.obj, 0,
+			ctx_size + CACHELINE_BYTES);
+	if (!dest) {
+		gvt_err("failed to vmap shadow indirect ctx\n");
+		ret = -ENOMEM;
+		goto unpin_src;
+	}
+
+	ret = i915_gem_object_set_to_cpu_domain(wa_ctx->indirect_ctx.obj,
+			false);
+	if (ret) {
+		gvt_err("failed to set shadow indirect ctx to CPU\n");
+		goto unmap_src;
+	}
+
+	wa_ctx->indirect_ctx.shadow_va = dest;
+
+	memset(dest, 0, round_up(ctx_size + CACHELINE_BYTES, PAGE_SIZE));
+
+	ret = copy_gma_to_hva(wa_ctx->workload->vgpu,
+				wa_ctx->workload->vgpu->gtt.ggtt_mm,
+				guest_gma, guest_gma + ctx_size, dest);
+	if (ret) {
+		gvt_err("fail to copy guest indirect ctx\n");
+		return ret;
+	}
+
+	return 0;
+
+unmap_src:
+	vunmap(dest);
+unpin_src:
+	i915_gem_object_unpin_pages(wa_ctx->indirect_ctx.obj);
+
+	return ret;
+}
+
+static int combine_wa_ctx(struct intel_shadow_wa_ctx *wa_ctx)
+{
+	uint32_t per_ctx_start[CACHELINE_DWORDS] = {0};
+	unsigned char *bb_start_sva;
+
+	per_ctx_start[0] = 0x18800001;
+	per_ctx_start[1] = wa_ctx->per_ctx.guest_gma;
+
+	bb_start_sva = (unsigned char *)wa_ctx->indirect_ctx.shadow_va +
+				wa_ctx->indirect_ctx.size;
+
+	memcpy(bb_start_sva, per_ctx_start, CACHELINE_BYTES);
+
+	return 0;
+}
+
+int intel_gvt_scan_and_shadow_wa_ctx(struct intel_shadow_wa_ctx *wa_ctx)
+{
+	int ret;
+
+	if (wa_ctx->indirect_ctx.size == 0)
+		return 0;
+
+	ret = shadow_indirect_ctx(wa_ctx);
+	if (ret) {
+		gvt_err("fail to shadow indirect ctx\n");
+		return ret;
+	}
+
+	combine_wa_ctx(wa_ctx);
+
+	ret = scan_wa_ctx(wa_ctx);
+	if (ret) {
+		gvt_err("scan wa ctx error\n");
+		return ret;
+	}
+
+	return 0;
+}
+
+static struct cmd_info *find_cmd_entry_any_ring(struct intel_gvt *gvt,
+		unsigned int opcode, int rings)
+{
+	struct cmd_info *info = NULL;
+	unsigned int ring;
+
+	for_each_set_bit(ring, (unsigned long *)&rings, I915_NUM_ENGINES) {
+		info = find_cmd_entry(gvt, opcode, ring);
+		if (info)
+			break;
+	}
+	return info;
+}
+
+static int init_cmd_table(struct intel_gvt *gvt)
+{
+	int i;
+	struct cmd_entry *e;
+	struct cmd_info	*info;
+	unsigned int gen_type;
+
+	gen_type = intel_gvt_get_device_type(gvt);
+
+	for (i = 0; i < ARRAY_SIZE(cmd_info); i++) {
+		if (!(cmd_info[i].devices & gen_type))
+			continue;
+
+		e = kzalloc(sizeof(*e), GFP_KERNEL);
+		if (!e)
+			return -ENOMEM;
+
+		e->info = &cmd_info[i];
+		info = find_cmd_entry_any_ring(gvt,
+				e->info->opcode, e->info->rings);
+		if (info) {
+			gvt_err("%s %s duplicated\n", e->info->name,
+					info->name);
+			return -EEXIST;
+		}
+
+		INIT_HLIST_NODE(&e->hlist);
+		add_cmd_entry(gvt, e);
+		gvt_dbg_cmd("add %-30s op %04x flag %x devs %02x rings %02x\n",
+				e->info->name, e->info->opcode, e->info->flag,
+				e->info->devices, e->info->rings);
+	}
+	return 0;
+}
+
+static void clean_cmd_table(struct intel_gvt *gvt)
+{
+	struct hlist_node *tmp;
+	struct cmd_entry *e;
+	int i;
+
+	hash_for_each_safe(gvt->cmd_table, i, tmp, e, hlist)
+		kfree(e);
+
+	hash_init(gvt->cmd_table);
+}
+
+void intel_gvt_clean_cmd_parser(struct intel_gvt *gvt)
+{
+	clean_cmd_table(gvt);
+}
+
+int intel_gvt_init_cmd_parser(struct intel_gvt *gvt)
+{
+	int ret;
+
+	ret = init_cmd_table(gvt);
+	if (ret) {
+		intel_gvt_clean_cmd_parser(gvt);
+		return ret;
+	}
+	return 0;
+}

drivers/gpu/drm/i915/gvt/cmd_parser.h

+/*
+ * 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.
+ *
+ * Authors:
+ *    Ke Yu
+ *    Kevin Tian <kevin.tian@intel.com>
+ *    Zhiyuan Lv <zhiyuan.lv@intel.com>
+ *
+ * Contributors:
+ *    Min He <min.he@intel.com>
+ *    Ping Gao <ping.a.gao@intel.com>
+ *    Tina Zhang <tina.zhang@intel.com>
+ *    Yulei Zhang <yulei.zhang@intel.com>
+ *    Zhi Wang <zhi.a.wang@intel.com>
+ *
+ */
+#ifndef _GVT_CMD_PARSER_H_
+#define _GVT_CMD_PARSER_H_
+
+#define GVT_CMD_HASH_BITS 7
+
+void intel_gvt_clean_cmd_parser(struct intel_gvt *gvt);
+
+int intel_gvt_init_cmd_parser(struct intel_gvt *gvt);
+
+int intel_gvt_scan_and_shadow_workload(struct intel_vgpu_workload *workload);
+
+int intel_gvt_scan_and_shadow_wa_ctx(struct intel_shadow_wa_ctx *wa_ctx);
+
+#endif

drivers/gpu/drm/i915/gvt/debug.h

@@ -51,4 +51,7 @@
 #define gvt_dbg_render(fmt, args...) \
 	DRM_DEBUG_DRIVER("gvt: render: "fmt, ##args)
 
+#define gvt_dbg_cmd(fmt, args...) \
+	DRM_DEBUG_DRIVER("gvt: cmd: "fmt, ##args)
+
 #endif

drivers/gpu/drm/i915/gvt/execlist.c

@@ -363,6 +363,109 @@ static void free_workload(struct intel_vgpu_workload *workload)
 #define get_desc_from_elsp_dwords(ed, i) \
 	((struct execlist_ctx_descriptor_format *)&((ed)->data[i * 2]))
 
+
+#define BATCH_BUFFER_ADDR_MASK ((1UL << 32) - (1U << 2))
+#define BATCH_BUFFER_ADDR_HIGH_MASK ((1UL << 16) - (1U))
+static int set_gma_to_bb_cmd(struct intel_shadow_bb_entry *entry_obj,
+			     unsigned long add, int gmadr_bytes)
+{
+	if (WARN_ON(gmadr_bytes != 4 && gmadr_bytes != 8))
+		return -1;
+
+	*((u32 *)(entry_obj->bb_start_cmd_va + (1 << 2))) = add &
+		BATCH_BUFFER_ADDR_MASK;
+	if (gmadr_bytes == 8) {
+		*((u32 *)(entry_obj->bb_start_cmd_va + (2 << 2))) =
+			add & BATCH_BUFFER_ADDR_HIGH_MASK;
+	}
+
+	return 0;
+}
+
+static void prepare_shadow_batch_buffer(struct intel_vgpu_workload *workload)
+{
+	int gmadr_bytes = workload->vgpu->gvt->device_info.gmadr_bytes_in_cmd;
+	struct i915_vma *vma;
+	unsigned long gma;
+
+	/* pin the gem object to ggtt */
+	if (!list_empty(&workload->shadow_bb)) {
+		struct intel_shadow_bb_entry *entry_obj =
+			list_first_entry(&workload->shadow_bb,
+					 struct intel_shadow_bb_entry,
+					 list);
+		struct intel_shadow_bb_entry *temp;
+
+		list_for_each_entry_safe(entry_obj, temp, &workload->shadow_bb,
+				list) {
+			vma = i915_gem_object_ggtt_pin(entry_obj->obj, NULL, 0,
+					0, 0);
+			if (IS_ERR(vma)) {
+				gvt_err("Cannot pin\n");
+				return;
+			}
+			i915_gem_object_unpin_pages(entry_obj->obj);
+
+			/* update the relocate gma with shadow batch buffer*/
+			gma = i915_gem_object_ggtt_offset(entry_obj->obj, NULL);
+			WARN_ON(!IS_ALIGNED(gma, 4));
+			set_gma_to_bb_cmd(entry_obj, gma, gmadr_bytes);
+		}
+	}
+}
+
+static int update_wa_ctx_2_shadow_ctx(struct intel_shadow_wa_ctx *wa_ctx)
+{
+	int ring_id = wa_ctx->workload->ring_id;
+	struct i915_gem_context *shadow_ctx =
+		wa_ctx->workload->vgpu->shadow_ctx;
+	struct drm_i915_gem_object *ctx_obj =
+		shadow_ctx->engine[ring_id].state->obj;
+	struct execlist_ring_context *shadow_ring_context;
+	struct page *page;
+
+	page = i915_gem_object_get_page(ctx_obj, LRC_STATE_PN);
+	shadow_ring_context = kmap_atomic(page);
+
+	shadow_ring_context->bb_per_ctx_ptr.val =
+		(shadow_ring_context->bb_per_ctx_ptr.val &
+		(~PER_CTX_ADDR_MASK)) | wa_ctx->per_ctx.shadow_gma;
+	shadow_ring_context->rcs_indirect_ctx.val =
+		(shadow_ring_context->rcs_indirect_ctx.val &
+		(~INDIRECT_CTX_ADDR_MASK)) | wa_ctx->indirect_ctx.shadow_gma;
+
+	kunmap_atomic(shadow_ring_context);
+	return 0;
+}
+
+static void prepare_shadow_wa_ctx(struct intel_shadow_wa_ctx *wa_ctx)
+{
+	struct i915_vma *vma;
+	unsigned long gma;
+	unsigned char *per_ctx_va =
+		(unsigned char *)wa_ctx->indirect_ctx.shadow_va +
+		wa_ctx->indirect_ctx.size;
+
+	if (wa_ctx->indirect_ctx.size == 0)
+		return;
+
+	vma = i915_gem_object_ggtt_pin(wa_ctx->indirect_ctx.obj, NULL, 0, 0, 0);
+	if (IS_ERR(vma)) {
+		gvt_err("Cannot pin indirect ctx obj\n");
+		return;
+	}
+	i915_gem_object_unpin_pages(wa_ctx->indirect_ctx.obj);
+
+	gma = i915_gem_object_ggtt_offset(wa_ctx->indirect_ctx.obj, NULL);
+	WARN_ON(!IS_ALIGNED(gma, CACHELINE_BYTES));
+	wa_ctx->indirect_ctx.shadow_gma = gma;
+
+	wa_ctx->per_ctx.shadow_gma = *((unsigned int *)per_ctx_va + 1);
+	memset(per_ctx_va, 0, CACHELINE_BYTES);
+
+	update_wa_ctx_2_shadow_ctx(wa_ctx);
+}
+
 static int prepare_execlist_workload(struct intel_vgpu_workload *workload)
 {
 	struct intel_vgpu *vgpu = workload->vgpu;
@@ -372,6 +475,8 @@ static int prepare_execlist_workload(struct intel_vgpu_workload *workload)
 	intel_vgpu_pin_mm(workload->shadow_mm);
 	intel_vgpu_sync_oos_pages(workload->vgpu);
 	intel_vgpu_flush_post_shadow(workload->vgpu);
+	prepare_shadow_batch_buffer(workload);
+	prepare_shadow_wa_ctx(&workload->wa_ctx);
 	if (!workload->emulate_schedule_in)
 		return 0;
 
@@ -381,6 +486,35 @@ static int prepare_execlist_workload(struct intel_vgpu_workload *workload)
 	return emulate_execlist_schedule_in(&vgpu->execlist[ring_id], ctx);
 }
 
+static void release_shadow_batch_buffer(struct intel_vgpu_workload *workload)
+{
+	/* release all the shadow batch buffer */
+	if (!list_empty(&workload->shadow_bb)) {
+		struct intel_shadow_bb_entry *entry_obj =
+			list_first_entry(&workload->shadow_bb,
+					 struct intel_shadow_bb_entry,
+					 list);
+		struct intel_shadow_bb_entry *temp;
+
+		list_for_each_entry_safe(entry_obj, temp, &workload->shadow_bb,
+					 list) {
+			drm_gem_object_unreference(&(entry_obj->obj->base));
+			kvfree(entry_obj->va);
+			list_del(&entry_obj->list);
+			kfree(entry_obj);
+		}
+	}
+}
+
+static void release_shadow_wa_ctx(struct intel_shadow_wa_ctx *wa_ctx)
+{
+	if (wa_ctx->indirect_ctx.size == 0)
+		return;
+
+	drm_gem_object_unreference(&(wa_ctx->indirect_ctx.obj->base));
+	kvfree(wa_ctx->indirect_ctx.shadow_va);
+}
+
 static int complete_execlist_workload(struct intel_vgpu_workload *workload)
 {
 	struct intel_vgpu *vgpu = workload->vgpu;
@@ -394,6 +528,9 @@ static int complete_execlist_workload(struct intel_vgpu_workload *workload)
 	gvt_dbg_el("complete workload %p status %d\n", workload,
 			workload->status);
 
+	release_shadow_batch_buffer(workload);
+	release_shadow_wa_ctx(&workload->wa_ctx);
+
 	if (workload->status || vgpu->resetting)
 		goto out;
 
@@ -487,7 +624,7 @@ bool submit_context(struct intel_vgpu *vgpu, int ring_id,
 	struct intel_vgpu_workload *last_workload = get_last_workload(q);
 	struct intel_vgpu_workload *workload = NULL;
 	u64 ring_context_gpa;
-	u32 head, tail, start, ctl, ctx_ctl;
+	u32 head, tail, start, ctl, ctx_ctl, per_ctx, indirect_ctx;
 	int ret;
 
 	ring_context_gpa = intel_vgpu_gma_to_gpa(vgpu->gtt.ggtt_mm,
@@ -532,6 +669,7 @@ bool submit_context(struct intel_vgpu *vgpu, int ring_id,
 			RING_CTX_OFF(ctx_ctrl.val), &ctx_ctl, 4);
 
 	INIT_LIST_HEAD(&workload->list);
+	INIT_LIST_HEAD(&workload->shadow_bb);
 
 	init_waitqueue_head(&workload->shadow_ctx_status_wq);
 	atomic_set(&workload->shadow_ctx_active, 0);
@@ -549,6 +687,24 @@ bool submit_context(struct intel_vgpu *vgpu, int ring_id,
 	workload->status = -EINPROGRESS;
 	workload->emulate_schedule_in = emulate_schedule_in;
 
+	if (ring_id == RCS) {
+		intel_gvt_hypervisor_read_gpa(vgpu, ring_context_gpa +
+			RING_CTX_OFF(bb_per_ctx_ptr.val), &per_ctx, 4);
+		intel_gvt_hypervisor_read_gpa(vgpu, ring_context_gpa +
+			RING_CTX_OFF(rcs_indirect_ctx.val), &indirect_ctx, 4);
+
+		workload->wa_ctx.indirect_ctx.guest_gma =
+			indirect_ctx & INDIRECT_CTX_ADDR_MASK;
+		workload->wa_ctx.indirect_ctx.size =
+			(indirect_ctx & INDIRECT_CTX_SIZE_MASK) *
+			CACHELINE_BYTES;
+		workload->wa_ctx.per_ctx.guest_gma =
+			per_ctx & PER_CTX_ADDR_MASK;
+		workload->wa_ctx.workload = workload;
+
+		WARN_ON(workload->wa_ctx.indirect_ctx.size && !(per_ctx & 0x1));
+	}
+
 	if (emulate_schedule_in)
 		memcpy(&workload->elsp_dwords,
 				&vgpu->execlist[ring_id].elsp_dwords,

drivers/gpu/drm/i915/gvt/gvt.c

@@ -112,6 +112,8 @@ static void init_device_info(struct intel_gvt *gvt)
 		info->gtt_start_offset = 8 * 1024 * 1024;
 		info->gtt_entry_size = 8;
 		info->gtt_entry_size_shift = 3;
+		info->gmadr_bytes_in_cmd = 8;
+		info->max_surface_size = 36 * 1024 * 1024;
 	}
 }
 
@@ -177,6 +179,7 @@ void intel_gvt_clean_device(struct drm_i915_private *dev_priv)
 		return;
 
 	clean_service_thread(gvt);
+	intel_gvt_clean_cmd_parser(gvt);
 	intel_gvt_clean_sched_policy(gvt);
 	intel_gvt_clean_workload_scheduler(gvt);
 	intel_gvt_clean_opregion(gvt);
@@ -249,14 +252,20 @@ int intel_gvt_init_device(struct drm_i915_private *dev_priv)
 	if (ret)
 		goto out_clean_workload_scheduler;
 
-	ret = init_service_thread(gvt);
+	ret = intel_gvt_init_cmd_parser(gvt);
 	if (ret)
 		goto out_clean_sched_policy;
 
+	ret = init_service_thread(gvt);
+	if (ret)
+		goto out_clean_cmd_parser;
+
 	gvt_dbg_core("gvt device creation is done\n");
 	gvt->initialized = true;
 	return 0;
 
+out_clean_cmd_parser:
+	intel_gvt_clean_cmd_parser(gvt);
 out_clean_sched_policy:
 	intel_gvt_clean_sched_policy(gvt);
 out_clean_workload_scheduler:

drivers/gpu/drm/i915/gvt/gvt.h

@@ -45,6 +45,7 @@
 #include "scheduler.h"
 #include "sched_policy.h"
 #include "render.h"
+#include "cmd_parser.h"
 
 #define GVT_MAX_VGPU 8
 
@@ -71,6 +72,8 @@ struct intel_gvt_device_info {
 	u32 gtt_start_offset;
 	u32 gtt_entry_size;
 	u32 gtt_entry_size_shift;
+	int gmadr_bytes_in_cmd;
+	u32 max_surface_size;
 };
 
 /* GM resources owned by a vGPU */
@@ -203,6 +206,7 @@ struct intel_gvt {
 	struct intel_gvt_gtt gtt;
 	struct intel_gvt_opregion opregion;
 	struct intel_gvt_workload_scheduler scheduler;
+	DECLARE_HASHTABLE(cmd_table, GVT_CMD_HASH_BITS);
 
 	struct task_struct *service_thread;
 	wait_queue_head_t service_thread_wq;

drivers/gpu/drm/i915/gvt/interrupt.h

@@ -226,4 +226,8 @@ int intel_vgpu_reg_master_irq_handler(struct intel_vgpu *vgpu,
 int intel_vgpu_reg_imr_handler(struct intel_vgpu *vgpu,
 	unsigned int reg, void *p_data, unsigned int bytes);
 
+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_ */

drivers/gpu/drm/i915/gvt/scheduler.c

@@ -185,6 +185,14 @@ static int dispatch_workload(struct intel_vgpu_workload *workload)
 
 	mutex_lock(&gvt->lock);
 
+	ret = intel_gvt_scan_and_shadow_workload(workload);
+	if (ret)
+		goto err;
+
+	ret = intel_gvt_scan_and_shadow_wa_ctx(&workload->wa_ctx);
+	if (ret)
+		goto err;
+
 	ret = populate_shadow_context(workload);
 	if (ret)
 		goto err;
@@ -345,6 +353,7 @@ static void complete_current_workload(struct intel_gvt *gvt, int ring_id)
 {
 	struct intel_gvt_workload_scheduler *scheduler = &gvt->scheduler;
 	struct intel_vgpu_workload *workload;
+	int event;
 
 	mutex_lock(&gvt->lock);
 
@@ -355,6 +364,11 @@ static void complete_current_workload(struct intel_gvt *gvt, int ring_id)
 			   !atomic_read(&workload->shadow_ctx_active));
 
 		update_guest_context(workload);
+
+		for_each_set_bit(event, workload->pending_events,
+				 INTEL_GVT_EVENT_MAX)
+			intel_vgpu_trigger_virtual_event(workload->vgpu,
+					event);
 	}
 
 	gvt_dbg_sched("ring id %d complete workload %p status %d\n",

drivers/gpu/drm/i915/gvt/scheduler.h

@@ -50,6 +50,29 @@ struct intel_gvt_workload_scheduler {
 	struct intel_gvt_sched_policy_ops *sched_ops;
 };
 
+#define INDIRECT_CTX_ADDR_MASK 0xffffffc0
+#define INDIRECT_CTX_SIZE_MASK 0x3f
+struct shadow_indirect_ctx {
+	struct drm_i915_gem_object *obj;
+	unsigned long guest_gma;
+	unsigned long shadow_gma;
+	void *shadow_va;
+	uint32_t size;
+};
+
+#define PER_CTX_ADDR_MASK 0xfffff000
+struct shadow_per_ctx {
+	unsigned long guest_gma;
+	unsigned long shadow_gma;
+};
+
+struct intel_shadow_wa_ctx {
+	struct intel_vgpu_workload *workload;
+	struct shadow_indirect_ctx indirect_ctx;
+	struct shadow_per_ctx per_ctx;
+
+};
+
 struct intel_vgpu_workload {
 	struct intel_vgpu *vgpu;
 	int ring_id;
@@ -65,16 +88,32 @@ struct intel_vgpu_workload {
 	int (*complete)(struct intel_vgpu_workload *);
 	struct list_head list;
 
+	DECLARE_BITMAP(pending_events, INTEL_GVT_EVENT_MAX);
+	void *shadow_ring_buffer_va;
+
 	/* 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;
 	bool restore_inhibit;
 	struct intel_vgpu_elsp_dwords elsp_dwords;
 	bool emulate_schedule_in;
 	atomic_t shadow_ctx_active;
 	wait_queue_head_t shadow_ctx_status_wq;
 	u64 ring_context_gpa;
+
+	/* shadow batch buffer */
+	struct list_head shadow_bb;
+	struct intel_shadow_wa_ctx wa_ctx;
+};
+
+/* Intel shadow batch buffer is a i915 gem object */
+struct intel_shadow_bb_entry {
+	struct list_head list;
+	struct drm_i915_gem_object *obj;
+	void *va;
+	unsigned long len;
+	void *bb_start_cmd_va;
 };
 
 #define workload_q_head(vgpu, ring_id) \

drivers/gpu/drm/i915/gvt/trace.h

@@ -224,6 +224,58 @@ 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 */