include/zephyr/arch/x86/intel_vtd.h - third_party/github/zephyrproject-rtos/zephyr - Git at Google

 /*
  * Copyright (c) 2020 Intel Corporation
  * SPDX-License-Identifier: Apache-2.0
  */

 #ifndef ZEPHYR_INCLUDE_ARCH_X86_INTEL_VTD_H
 #define ZEPHYR_INCLUDE_ARCH_X86_INTEL_VTD_H

 #ifndef _ASMLANGUAGE

 /*************\
  * Registers *
 \*************/

 #define VTD_VER_REG		0x000 /* Version */
 #define VTD_CAP_REG		0x008 /* Capability */
 #define VTD_ECAP_REG		0x010 /* Extended Capability */
 #define VTD_GCMD_REG		0x018 /* Global Command */
 #define VTD_GSTS_REG		0x01C /* Global Status */
 #define VTD_RTADDR_REG		0x020 /* Root Table Address */
 #define VTD_CCMD_REG		0x028 /* Context Command */
 #define VTD_FSTS_REG		0x034 /* Fault Status */
 #define VTD_FECTL_REG		0x038 /* Fault Event Control */
 #define VTD_FEDATA_REG		0x03C /* Fault Event Data */
 #define VTD_FEADDR_REG		0x040 /* Fault Event Address */
 #define VTD_FEUADDR_REG		0x044 /* Fault Event Upper Address */
 #define VTD_AFLOG_REG		0x058 /* Advanced Fault Log */
 #define VTD_PMEN_REG		0x064 /* Protected Memory Enable */
 #define VTD_PLMBASE_REG		0x068 /* Protected Low Memory Base */
 #define VTD_PLMLIMIT_REG	0x06C /* Protected Low Memory Limit */
 #define VTD_PHMBASE_REG		0x070 /* Protected High Memory Base */
 #define VTD_PHMLIMIT_REG	0x078 /* Protected High Memory Limit */
 #define VTD_IQH_REG		0x080 /* Invalidation Queue Head */
 #define VTD_IQT_REG		0x088 /* Invalidation Queue Tail */
 #define VTD_IQA_REG		0x090 /* Invalidation Queue Address */
 #define VTD_ICS_REG		0x09C /* Invalidation Completion Status */
 #define VTD_IECTL_REG		0x0A0 /* Invalidation Completion Event Control */
 #define VTD_IEDATA_REG		0x0A4 /* Invalidation Completion Event Data */
 #define VTD_IEADDR_REG		0x0A8 /* Invalidation Completion Event Address */
 #define VTD_IEUADDR_REG		0x0AC /* Invalidation Completion Event Upper Address */
 #define VTD_IQERCD_REG		0x0B0 /* Invalidation Queue Error Record */
 #define VTD_IRTA_REG		0x0B8 /* Interrupt Remapping Table Address */
 #define VTD_PQH_REG		0x0C0 /* Page Request Queue Head */
 #define VTD_PQT_REG		0x0C8 /* Page Request Queue Tail */
 #define VTD_PQA_REG		0x0D0 /* Page Request Queue Address */
 #define VTD_PRS_REG		0x0DC /* Page Request Status */
 #define VTD_PECTL_REG		0x0E0 /* Page Request Event Control */
 #define VTD_PEDATA_REG		0x0E4 /* Page Request Event Data */
 #define VTD_PEADDR_REG		0x0E8 /* Page Request Event Address */
 #define VTD_PEUADDR_REG		0x0EC /* Page Request Event Upper Address */
 #define VTD_MTRRCAP_REG		0x100 /* MTRR Capability */
 #define VTD_MTRRDEF_REG		0x108 /* MTRR Default Type */
 #define VTD_MTRR_FIX64K_00000_REG 0x120 /* Fixed-range MTRR for 64K_00000 */
 #define VTD_MTRR_FIX16K_80000_REG 0x128 /* Fixed-range MTRR for 16K_80000 */
 #define VTD_MTRR_FIX16K_A0000_REG 0x130 /* Fixed-range MTRR for 16K_A0000 */
 #define VTD_MTRR_FIX4K_C0000_REG 0x138 /* Fixed-range MTRR for 4K_C0000 */
 #define VTD_MTRR_FIX4K_C8000_REG 0x140 /* Fixed-range MTRR for 4K_C8000 */
 #define VTD_MTRR_FIX4K_D0000_REG 0x148 /* Fixed-range MTRR for 4K_D0000 */
 #define VTD_MTRR_FIX4K_D8000_REG 0x150 /* Fixed-range MTRR for 4K_D8000 */
 #define VTD_MTRR_FIX4K_E0000_REG 0x158 /* Fixed-range MTRR for 4K_E0000 */
 #define VTD_MTRR_FIX4K_E8000_REG 0x160 /* Fixed-range MTRR for 4K_E8000 */
 #define VTD_MTRR_FIX4K_F0000_REG 0x168 /* Fixed-range MTRR for 4K_F0000 */
 #define VTD_MTRR_FIX4K_F8000_REG 0x170 /* Fixed-range MTRR for 4K_F8000 */
 #define VTD_MTRR_PHYSBASE0_REG	0x180 /* Variable-range MTRR Base0 */
 #define VTD_MTRR_PHYSMASK0_REG	0x188 /* Variable-range MTRR Mask0 */
 #define VTD_MTRR_PHYSBASE1_REG	0x190 /* Variable-range MTRR Base1 */
 #define VTD_MTRR_PHYSMASK1_REG	0x198 /* Variable-range MTRR Mask1 */
 #define VTD_MTRR_PHYSBASE2_REG	0x1A0 /* Variable-range MTRR Base2 */
 #define VTD_MTRR_PHYSMASK2_REG	0x1A8 /* Variable-range MTRR Mask2 */
 #define VTD_MTRR_PHYSBASE3_REG	0x1B0 /* Variable-range MTRR Base3 */
 #define VTD_MTRR_PHYSMASK3_REG	0x1B8 /* Variable-range MTRR Mask3 */
 #define VTD_MTRR_PHYSBASE4_REG	0x1C0 /* Variable-range MTRR Base4 */
 #define VTD_MTRR_PHYSMASK4_REG	0x1C8 /* Variable-range MTRR Mask4 */
 #define VTD_MTRR_PHYSBASE5_REG	0x1D0 /* Variable-range MTRR Base5 */
 #define VTD_MTRR_PHYSMASK5_REG	0x1D8 /* Variable-range MTRR Mask5 */
 #define VTD_MTRR_PHYSBASE6_REG	0x1E0 /* Variable-range MTRR Base6 */
 #define VTD_MTRR_PHYSMASK6_REG	0x1E8 /* Variable-range MTRR Mask6 */
 #define VTD_MTRR_PHYSBASE7_REG	0x1F0 /* Variable-range MTRR Base7 */
 #define VTD_MTRR_PHYSMASK7_REG	0x1F8 /* Variable-range MTRR Mask7 */
 #define VTD_MTRR_PHYSBASE8_REG	0x200 /* Variable-range MTRR Base8 */
 #define VTD_MTRR_PHYSMASK8_REG	0x208 /* Variable-range MTRR Mask8 */
 #define VTD_MTRR_PHYSBASE9_REG	0x210 /* Variable-range MTRR Base9 */
 #define VTD_MTRR_PHYSMASK9_REG	0x218 /* Variable-range MTRR Mask9 */
 #define VTD_VCCAP_REG		0xE00 /* Virtual Command Capability */
 #define VTD_VCMD		0xE10 /* Virtual Command */
 #define VTD_VCRSP		0xE20 /* Virtual Command Response */

 /* Capability Register details */
 #define VTD_CAP_NFR_POS		40
 #define VTD_CAP_NFR_MASK	((uint64_t)0xFFUL << VTD_CAP_NFR_POS)
 #define VTD_CAP_NFR(cap)					\
 	(((uint64_t)cap & VTD_CAP_NFR_MASK) >> VTD_CAP_NFR_POS)

 #define VTD_CAP_FRO_POS		24
 #define VTD_CAP_FRO_MASK	((uint64_t)0x3FFUL << VTD_CAP_FRO_POS)
 #define VTD_CAP_FRO(cap)					\
 	(((uint64_t)cap & VTD_CAP_FRO_MASK) >> VTD_CAP_FRO_POS)

 /* Extended Capability Register details */
 #define VTD_ECAP_C		BIT(0)

 /* Global Command Register details */
 #define VTD_GCMD_CFI		23
 #define VTD_GCMD_SIRTP		24
 #define VTD_GCMD_IRE		25
 #define VTD_GCMD_QIE		26
 #define VTD_GCMD_WBF		27
 #define VTD_GCMD_EAFL		28
 #define VTD_GCMD_SFL		29
 #define VTD_GCMD_SRTP		30
 #define VTD_GCMD_TE		31

 /* Global Status Register details */
 #define VTD_GSTS_CFIS		23
 #define VTD_GSTS_SIRTPS		24
 #define VTD_GSTS_IRES		25
 #define VTD_GSTS_QIES		26
 #define VTD_GSTS_WBFS		27
 #define VTD_GSTS_EAFLS		28
 #define VTD_GSTS_SFLS		29
 #define VTD_GSTS_SRTPS		30
 #define VTD_GSTS_TES		31

 /* Interrupt Remapping Table Address Register details */
 #define VTD_IRTA_SIZE_MASK	0x000000000000000FUL
 #define VTD_IRTA_EIME		BIT(11)

 #define VTD_IRTA_REG_GEN_CONTENT(addr, size, mode)		\
 	((uint64_t)(addr) | (mode) | (size & VTD_IRTA_SIZE_MASK))

 /* Fault event control register details */
 #define VTD_FECTL_REG_IP	30
 #define VTD_FECTL_REG_IM	31

 /* Fault event status register details */
 #define VTD_FSTS_PFO		BIT(0)
 #define VTD_FSTS_PPF		BIT(1)
 #define VTD_FSTS_AFO		BIT(2)
 #define VTD_FSTS_APF		BIT(3)
 #define VTD_FSTS_IQE		BIT(4)
 #define VTD_FSTS_ICE		BIT(5)
 #define VTD_FSTS_ITE		BIT(6)

 #define VTD_FSTS_FRI_POS	8
 #define VTD_FSTS_FRI_MASK	(0xF << VTD_FSTS_FRI_POS)
 #define VTD_FSTS_FRI(status)					\
 	((status & VTD_FSTS_FRI_MASK) >> VTD_FSTS_FRI_POS)

 #define VTD_FSTS_CLEAR_STATUS				\
 	(VTD_FSTS_PFO | VTD_FSTS_AFO | VTD_FSTS_APF |	\
 	 VTD_FSTS_IQE | VTD_FSTS_ICE | VTD_FSTS_ITE)

 #define VTD_FSTS_CLEAR(status)			\
 	(status & VTD_FSTS_CLEAR_STATUS)

 /* Fault recording register(s) details
  * Note: parts of the register are split into highest and lowest 64bits
  * so bit positions are depending on it and are not based on 128bits reg.
  */
 #define VTD_FRCD_REG_SIZE	16

 /* Highest 64bits info */
 #define VTD_FRCD_F		BIT(63)
 #define VTD_FRCD_T		BIT(62)

 #define VTD_FRCD_FR_POS		32
 #define VTD_FRCD_FR_MASK	((uint64_t)0xFF << VTD_FRCD_FR_POS)
 #define VTD_FRCD_FR(fault)					\
 	((uint8_t)((fault & VTD_FRCD_FR_MASK) >> VTD_FRCD_FR_POS))

 #define VTD_FRCD_SID_MASK	0xFFFF
 #define VTD_FRCD_SID(fault)			\
 	((uint16_t)(fault & VTD_FRCD_SID_MASK))

 /* Lowest 64bits info */
 #define VTD_FRCD_FI_POS		12
 #define VTD_FRCD_FI_MASK	((uint64_t)0xFFFFFFFFFFFFF << VTD_FRCD_FI_POS)
 #define VTD_FRCD_FI(fault)				\
 	((fault & VTD_FRCD_FI_MASK) >> VTD_FRCD_FI_POS)

 #define VTD_FRCD_FI_IR_POS	48
 #define VTD_FRCD_FI_IR_MASK	((uint64_t)0xFFFF << VTD_FRCD_FI_IR_POS)
 #define VTD_FRCD_FI_IR(fault)					\
 	((fault & VTD_FRCD_FI_IR_MASK) >> VTD_FRCD_FI_IR_POS)

 /* Invalidation Queue Address register details */
 #define VTD_IQA_SIZE_MASK	0x7
 #define VTD_IQA_WIDTH_128_BIT	0
 #define VTD_IQA_WIDTH_256_BIT	BIT(11)
 #define VTD_IQA_REG_GEN_CONTENT(addr, width, size)			\
 	((uint64_t)0 | (addr) | (width) | (size & VTD_IQA_SIZE_MASK))

 /* Invalidation Queue Head register details */
 #define VTD_IQH_QH_POS_128	4
 #define VTD_IQH_QH_MASK		((uint64_t)0xEF << VTD_IQH_QH_POS_128)

 /* Invalidation Queue Tail register details */
 #define VTD_IQT_QT_POS_128	4
 #define VTD_IQT_QT_MASK		((uint64_t)0xEF << VTD_IQT_QT_POS_128)

 #endif /* _ASMLANGUAGE */

 #endif /* ZEPHYR_INCLUDE_ARCH_X86_INTEL_VTD_H */
	/*
	* Copyright (c) 2020 Intel Corporation
	* SPDX-License-Identifier: Apache-2.0
	*/

	#ifndef ZEPHYR_INCLUDE_ARCH_X86_INTEL_VTD_H
	#define ZEPHYR_INCLUDE_ARCH_X86_INTEL_VTD_H

	#ifndef _ASMLANGUAGE

	/*************\
	* Registers *
	\*************/

	#define VTD_VER_REG 0x000 /* Version */
	#define VTD_CAP_REG 0x008 /* Capability */
	#define VTD_ECAP_REG 0x010 /* Extended Capability */
	#define VTD_GCMD_REG 0x018 /* Global Command */
	#define VTD_GSTS_REG 0x01C /* Global Status */
	#define VTD_RTADDR_REG 0x020 /* Root Table Address */
	#define VTD_CCMD_REG 0x028 /* Context Command */
	#define VTD_FSTS_REG 0x034 /* Fault Status */
	#define VTD_FECTL_REG 0x038 /* Fault Event Control */
	#define VTD_FEDATA_REG 0x03C /* Fault Event Data */
	#define VTD_FEADDR_REG 0x040 /* Fault Event Address */
	#define VTD_FEUADDR_REG 0x044 /* Fault Event Upper Address */
	#define VTD_AFLOG_REG 0x058 /* Advanced Fault Log */
	#define VTD_PMEN_REG 0x064 /* Protected Memory Enable */
	#define VTD_PLMBASE_REG 0x068 /* Protected Low Memory Base */
	#define VTD_PLMLIMIT_REG 0x06C /* Protected Low Memory Limit */
	#define VTD_PHMBASE_REG 0x070 /* Protected High Memory Base */
	#define VTD_PHMLIMIT_REG 0x078 /* Protected High Memory Limit */
	#define VTD_IQH_REG 0x080 /* Invalidation Queue Head */
	#define VTD_IQT_REG 0x088 /* Invalidation Queue Tail */
	#define VTD_IQA_REG 0x090 /* Invalidation Queue Address */
	#define VTD_ICS_REG 0x09C /* Invalidation Completion Status */
	#define VTD_IECTL_REG 0x0A0 /* Invalidation Completion Event Control */
	#define VTD_IEDATA_REG 0x0A4 /* Invalidation Completion Event Data */
	#define VTD_IEADDR_REG 0x0A8 /* Invalidation Completion Event Address */
	#define VTD_IEUADDR_REG 0x0AC /* Invalidation Completion Event Upper Address */
	#define VTD_IQERCD_REG 0x0B0 /* Invalidation Queue Error Record */
	#define VTD_IRTA_REG 0x0B8 /* Interrupt Remapping Table Address */
	#define VTD_PQH_REG 0x0C0 /* Page Request Queue Head */
	#define VTD_PQT_REG 0x0C8 /* Page Request Queue Tail */
	#define VTD_PQA_REG 0x0D0 /* Page Request Queue Address */
	#define VTD_PRS_REG 0x0DC /* Page Request Status */
	#define VTD_PECTL_REG 0x0E0 /* Page Request Event Control */
	#define VTD_PEDATA_REG 0x0E4 /* Page Request Event Data */
	#define VTD_PEADDR_REG 0x0E8 /* Page Request Event Address */
	#define VTD_PEUADDR_REG 0x0EC /* Page Request Event Upper Address */
	#define VTD_MTRRCAP_REG 0x100 /* MTRR Capability */
	#define VTD_MTRRDEF_REG 0x108 /* MTRR Default Type */
	#define VTD_MTRR_FIX64K_00000_REG 0x120 /* Fixed-range MTRR for 64K_00000 */
	#define VTD_MTRR_FIX16K_80000_REG 0x128 /* Fixed-range MTRR for 16K_80000 */
	#define VTD_MTRR_FIX16K_A0000_REG 0x130 /* Fixed-range MTRR for 16K_A0000 */
	#define VTD_MTRR_FIX4K_C0000_REG 0x138 /* Fixed-range MTRR for 4K_C0000 */
	#define VTD_MTRR_FIX4K_C8000_REG 0x140 /* Fixed-range MTRR for 4K_C8000 */
	#define VTD_MTRR_FIX4K_D0000_REG 0x148 /* Fixed-range MTRR for 4K_D0000 */
	#define VTD_MTRR_FIX4K_D8000_REG 0x150 /* Fixed-range MTRR for 4K_D8000 */
	#define VTD_MTRR_FIX4K_E0000_REG 0x158 /* Fixed-range MTRR for 4K_E0000 */
	#define VTD_MTRR_FIX4K_E8000_REG 0x160 /* Fixed-range MTRR for 4K_E8000 */
	#define VTD_MTRR_FIX4K_F0000_REG 0x168 /* Fixed-range MTRR for 4K_F0000 */
	#define VTD_MTRR_FIX4K_F8000_REG 0x170 /* Fixed-range MTRR for 4K_F8000 */
	#define VTD_MTRR_PHYSBASE0_REG 0x180 /* Variable-range MTRR Base0 */
	#define VTD_MTRR_PHYSMASK0_REG 0x188 /* Variable-range MTRR Mask0 */
	#define VTD_MTRR_PHYSBASE1_REG 0x190 /* Variable-range MTRR Base1 */
	#define VTD_MTRR_PHYSMASK1_REG 0x198 /* Variable-range MTRR Mask1 */
	#define VTD_MTRR_PHYSBASE2_REG 0x1A0 /* Variable-range MTRR Base2 */
	#define VTD_MTRR_PHYSMASK2_REG 0x1A8 /* Variable-range MTRR Mask2 */
	#define VTD_MTRR_PHYSBASE3_REG 0x1B0 /* Variable-range MTRR Base3 */
	#define VTD_MTRR_PHYSMASK3_REG 0x1B8 /* Variable-range MTRR Mask3 */
	#define VTD_MTRR_PHYSBASE4_REG 0x1C0 /* Variable-range MTRR Base4 */
	#define VTD_MTRR_PHYSMASK4_REG 0x1C8 /* Variable-range MTRR Mask4 */
	#define VTD_MTRR_PHYSBASE5_REG 0x1D0 /* Variable-range MTRR Base5 */
	#define VTD_MTRR_PHYSMASK5_REG 0x1D8 /* Variable-range MTRR Mask5 */
	#define VTD_MTRR_PHYSBASE6_REG 0x1E0 /* Variable-range MTRR Base6 */
	#define VTD_MTRR_PHYSMASK6_REG 0x1E8 /* Variable-range MTRR Mask6 */
	#define VTD_MTRR_PHYSBASE7_REG 0x1F0 /* Variable-range MTRR Base7 */
	#define VTD_MTRR_PHYSMASK7_REG 0x1F8 /* Variable-range MTRR Mask7 */
	#define VTD_MTRR_PHYSBASE8_REG 0x200 /* Variable-range MTRR Base8 */
	#define VTD_MTRR_PHYSMASK8_REG 0x208 /* Variable-range MTRR Mask8 */
	#define VTD_MTRR_PHYSBASE9_REG 0x210 /* Variable-range MTRR Base9 */
	#define VTD_MTRR_PHYSMASK9_REG 0x218 /* Variable-range MTRR Mask9 */
	#define VTD_VCCAP_REG 0xE00 /* Virtual Command Capability */
	#define VTD_VCMD 0xE10 /* Virtual Command */
	#define VTD_VCRSP 0xE20 /* Virtual Command Response */

	/* Capability Register details */
	#define VTD_CAP_NFR_POS 40
	#define VTD_CAP_NFR_MASK ((uint64_t)0xFFUL << VTD_CAP_NFR_POS)
	#define VTD_CAP_NFR(cap) \
	(((uint64_t)cap & VTD_CAP_NFR_MASK) >> VTD_CAP_NFR_POS)

	#define VTD_CAP_FRO_POS 24
	#define VTD_CAP_FRO_MASK ((uint64_t)0x3FFUL << VTD_CAP_FRO_POS)
	#define VTD_CAP_FRO(cap) \
	(((uint64_t)cap & VTD_CAP_FRO_MASK) >> VTD_CAP_FRO_POS)

	/* Extended Capability Register details */
	#define VTD_ECAP_C BIT(0)

	/* Global Command Register details */
	#define VTD_GCMD_CFI 23
	#define VTD_GCMD_SIRTP 24
	#define VTD_GCMD_IRE 25
	#define VTD_GCMD_QIE 26
	#define VTD_GCMD_WBF 27
	#define VTD_GCMD_EAFL 28
	#define VTD_GCMD_SFL 29
	#define VTD_GCMD_SRTP 30
	#define VTD_GCMD_TE 31

	/* Global Status Register details */
	#define VTD_GSTS_CFIS 23
	#define VTD_GSTS_SIRTPS 24
	#define VTD_GSTS_IRES 25
	#define VTD_GSTS_QIES 26
	#define VTD_GSTS_WBFS 27
	#define VTD_GSTS_EAFLS 28
	#define VTD_GSTS_SFLS 29
	#define VTD_GSTS_SRTPS 30
	#define VTD_GSTS_TES 31

	/* Interrupt Remapping Table Address Register details */
	#define VTD_IRTA_SIZE_MASK 0x000000000000000FUL
	#define VTD_IRTA_EIME BIT(11)

	#define VTD_IRTA_REG_GEN_CONTENT(addr, size, mode) \
	((uint64_t)(addr) \| (mode) \| (size & VTD_IRTA_SIZE_MASK))

	/* Fault event control register details */
	#define VTD_FECTL_REG_IP 30
	#define VTD_FECTL_REG_IM 31

	/* Fault event status register details */
	#define VTD_FSTS_PFO BIT(0)
	#define VTD_FSTS_PPF BIT(1)
	#define VTD_FSTS_AFO BIT(2)
	#define VTD_FSTS_APF BIT(3)
	#define VTD_FSTS_IQE BIT(4)
	#define VTD_FSTS_ICE BIT(5)
	#define VTD_FSTS_ITE BIT(6)

	#define VTD_FSTS_FRI_POS 8
	#define VTD_FSTS_FRI_MASK (0xF << VTD_FSTS_FRI_POS)
	#define VTD_FSTS_FRI(status) \
	((status & VTD_FSTS_FRI_MASK) >> VTD_FSTS_FRI_POS)

	#define VTD_FSTS_CLEAR_STATUS \
	(VTD_FSTS_PFO \| VTD_FSTS_AFO \| VTD_FSTS_APF \| \
	VTD_FSTS_IQE \| VTD_FSTS_ICE \| VTD_FSTS_ITE)

	#define VTD_FSTS_CLEAR(status) \
	(status & VTD_FSTS_CLEAR_STATUS)

	/* Fault recording register(s) details
	* Note: parts of the register are split into highest and lowest 64bits
	* so bit positions are depending on it and are not based on 128bits reg.
	*/
	#define VTD_FRCD_REG_SIZE 16

	/* Highest 64bits info */
	#define VTD_FRCD_F BIT(63)
	#define VTD_FRCD_T BIT(62)

	#define VTD_FRCD_FR_POS 32
	#define VTD_FRCD_FR_MASK ((uint64_t)0xFF << VTD_FRCD_FR_POS)
	#define VTD_FRCD_FR(fault) \
	((uint8_t)((fault & VTD_FRCD_FR_MASK) >> VTD_FRCD_FR_POS))

	#define VTD_FRCD_SID_MASK 0xFFFF
	#define VTD_FRCD_SID(fault) \
	((uint16_t)(fault & VTD_FRCD_SID_MASK))

	/* Lowest 64bits info */
	#define VTD_FRCD_FI_POS 12
	#define VTD_FRCD_FI_MASK ((uint64_t)0xFFFFFFFFFFFFF << VTD_FRCD_FI_POS)
	#define VTD_FRCD_FI(fault) \
	((fault & VTD_FRCD_FI_MASK) >> VTD_FRCD_FI_POS)

	#define VTD_FRCD_FI_IR_POS 48
	#define VTD_FRCD_FI_IR_MASK ((uint64_t)0xFFFF << VTD_FRCD_FI_IR_POS)
	#define VTD_FRCD_FI_IR(fault) \
	((fault & VTD_FRCD_FI_IR_MASK) >> VTD_FRCD_FI_IR_POS)

	/* Invalidation Queue Address register details */
	#define VTD_IQA_SIZE_MASK 0x7
	#define VTD_IQA_WIDTH_128_BIT 0
	#define VTD_IQA_WIDTH_256_BIT BIT(11)
	#define VTD_IQA_REG_GEN_CONTENT(addr, width, size) \
	((uint64_t)0 \| (addr) \| (width) \| (size & VTD_IQA_SIZE_MASK))

	/* Invalidation Queue Head register details */
	#define VTD_IQH_QH_POS_128 4
	#define VTD_IQH_QH_MASK ((uint64_t)0xEF << VTD_IQH_QH_POS_128)

	/* Invalidation Queue Tail register details */
	#define VTD_IQT_QT_POS_128 4
	#define VTD_IQT_QT_MASK ((uint64_t)0xEF << VTD_IQT_QT_POS_128)

	#endif /* _ASMLANGUAGE */

	#endif /* ZEPHYR_INCLUDE_ARCH_X86_INTEL_VTD_H */