xref: /pciutils/lib/header.h (revision 6f7640b8)

/*
 *	The PCI Library -- PCI Header Structure (based on <linux/pci.h>)
 *
 *	Copyright (c) 1997--2010 Martin Mares <[email protected]>
 *
 *	Can be freely distributed and used under the terms of the GNU GPL v2+
 *
 *	SPDX-License-Identifier: GPL-2.0-or-later
 */

/*
 * Under PCI, each device has 256 bytes of configuration address space,
 * of which the first 64 bytes are standardized as follows:
 */
#define PCI_VENDOR_ID		0x00	/* 16 bits */
#define PCI_DEVICE_ID		0x02	/* 16 bits */
#define PCI_COMMAND		0x04	/* 16 bits */
#define  PCI_COMMAND_IO		0x1	/* Enable response in I/O space */
#define  PCI_COMMAND_MEMORY	0x2	/* Enable response in Memory space */
#define  PCI_COMMAND_MASTER	0x4	/* Enable bus mastering */
#define  PCI_COMMAND_SPECIAL	0x8	/* Enable response to special cycles */
#define  PCI_COMMAND_INVALIDATE	0x10	/* Use memory write and invalidate */
#define  PCI_COMMAND_VGA_PALETTE 0x20	/* Enable palette snooping */
#define  PCI_COMMAND_PARITY	0x40	/* Enable parity checking */
#define  PCI_COMMAND_WAIT 	0x80	/* Enable address/data stepping */
#define  PCI_COMMAND_SERR	0x100	/* Enable SERR */
#define  PCI_COMMAND_FAST_BACK	0x200	/* Enable back-to-back writes */
#define  PCI_COMMAND_DISABLE_INTx	0x400	/* PCIE: Disable INTx interrupts */

#define PCI_STATUS		0x06	/* 16 bits */
#define  PCI_STATUS_INTx	0x08	/* PCIE: INTx interrupt pending */
#define  PCI_STATUS_CAP_LIST	0x10	/* Support Capability List */
#define  PCI_STATUS_66MHZ	0x20	/* Support 66 Mhz PCI 2.1 bus */
#define  PCI_STATUS_UDF		0x40	/* Support User Definable Features [obsolete] */
#define  PCI_STATUS_FAST_BACK	0x80	/* Accept fast-back to back */
#define  PCI_STATUS_PARITY	0x100	/* Detected parity error */
#define  PCI_STATUS_DEVSEL_MASK	0x600	/* DEVSEL timing */
#define  PCI_STATUS_DEVSEL_FAST	0x000
#define  PCI_STATUS_DEVSEL_MEDIUM 0x200
#define  PCI_STATUS_DEVSEL_SLOW 0x400
#define  PCI_STATUS_SIG_TARGET_ABORT 0x800 /* Set on target abort */
#define  PCI_STATUS_REC_TARGET_ABORT 0x1000 /* Master ack of " */
#define  PCI_STATUS_REC_MASTER_ABORT 0x2000 /* Set on master abort */
#define  PCI_STATUS_SIG_SYSTEM_ERROR 0x4000 /* Set when we drive SERR */
#define  PCI_STATUS_DETECTED_PARITY 0x8000 /* Set on parity error */

#define PCI_CLASS_REVISION	0x08	/* High 24 bits are class, low 8
					   revision */
#define PCI_REVISION_ID         0x08    /* Revision ID */
#define PCI_CLASS_PROG          0x09    /* Reg. Level Programming Interface */
#define PCI_CLASS_DEVICE        0x0a    /* Device class */

#define PCI_CACHE_LINE_SIZE	0x0c	/* 8 bits */
#define PCI_LATENCY_TIMER	0x0d	/* 8 bits */
#define PCI_HEADER_TYPE		0x0e	/* 8 bits */
#define  PCI_HEADER_TYPE_NORMAL	0
#define  PCI_HEADER_TYPE_BRIDGE 1
#define  PCI_HEADER_TYPE_CARDBUS 2

#define PCI_BIST		0x0f	/* 8 bits */
#define PCI_BIST_CODE_MASK	0x0f	/* Return result */
#define PCI_BIST_START		0x40	/* 1 to start BIST, 2 secs or less */
#define PCI_BIST_CAPABLE	0x80	/* 1 if BIST capable */

/*
 * Base addresses specify locations in memory or I/O space.
 * Decoded size can be determined by writing a value of
 * 0xffffffff to the register, and reading it back.  Only
 * 1 bits are decoded.
 */
#define PCI_BASE_ADDRESS_0	0x10	/* 32 bits */
#define PCI_BASE_ADDRESS_1	0x14	/* 32 bits [htype 0,1 only] */
#define PCI_BASE_ADDRESS_2	0x18	/* 32 bits [htype 0 only] */
#define PCI_BASE_ADDRESS_3	0x1c	/* 32 bits */
#define PCI_BASE_ADDRESS_4	0x20	/* 32 bits */
#define PCI_BASE_ADDRESS_5	0x24	/* 32 bits */
#define  PCI_BASE_ADDRESS_SPACE	0x01	/* 0 = memory, 1 = I/O */
#define  PCI_BASE_ADDRESS_SPACE_IO 0x01
#define  PCI_BASE_ADDRESS_SPACE_MEMORY 0x00
#define  PCI_BASE_ADDRESS_MEM_TYPE_MASK 0x06
#define  PCI_BASE_ADDRESS_MEM_TYPE_32	0x00	/* 32 bit address */
#define  PCI_BASE_ADDRESS_MEM_TYPE_1M	0x02	/* Below 1M [obsolete] */
#define  PCI_BASE_ADDRESS_MEM_TYPE_64	0x04	/* 64 bit address */
#define  PCI_BASE_ADDRESS_MEM_PREFETCH	0x08	/* prefetchable? */
#define  PCI_BASE_ADDRESS_MEM_MASK	(~(pciaddr_t)0x0f)
#define  PCI_BASE_ADDRESS_IO_MASK	(~(pciaddr_t)0x03)
/* bit 1 is reserved if address_space = 1 */

/* Header type 0 (normal devices) */
#define PCI_CARDBUS_CIS		0x28
#define PCI_SUBSYSTEM_VENDOR_ID	0x2c
#define PCI_SUBSYSTEM_ID	0x2e
#define PCI_ROM_ADDRESS		0x30	/* Bits 31..11 are address, 10..1 reserved */
#define  PCI_ROM_ADDRESS_ENABLE	0x01
#define PCI_ROM_ADDRESS_MASK	(~(pciaddr_t)0x7ff)

#define PCI_CAPABILITY_LIST	0x34	/* Offset of first capability list entry */

/* 0x35-0x3b are reserved */
#define PCI_INTERRUPT_LINE	0x3c	/* 8 bits */
#define PCI_INTERRUPT_PIN	0x3d	/* 8 bits */
#define PCI_MIN_GNT		0x3e	/* 8 bits */
#define PCI_MAX_LAT		0x3f	/* 8 bits */

/* Header type 1 (PCI-to-PCI bridges) */
#define PCI_PRIMARY_BUS		0x18	/* Primary bus number */
#define PCI_SECONDARY_BUS	0x19	/* Secondary bus number */
#define PCI_SUBORDINATE_BUS	0x1a	/* Highest bus number behind the bridge */
#define PCI_SEC_LATENCY_TIMER	0x1b	/* Latency timer for secondary interface */
#define PCI_IO_BASE		0x1c	/* I/O range behind the bridge */
#define PCI_IO_LIMIT		0x1d
#define  PCI_IO_RANGE_TYPE_MASK	0x0f	/* I/O bridging type */
#define  PCI_IO_RANGE_TYPE_16	0x00
#define  PCI_IO_RANGE_TYPE_32	0x01
#define  PCI_IO_RANGE_MASK	~0x0f
#define PCI_SEC_STATUS		0x1e	/* Secondary status register */
#define PCI_MEMORY_BASE		0x20	/* Memory range behind */
#define PCI_MEMORY_LIMIT	0x22
#define  PCI_MEMORY_RANGE_TYPE_MASK 0x0f
#define  PCI_MEMORY_RANGE_MASK	~0x0f
#define PCI_PREF_MEMORY_BASE	0x24	/* Prefetchable memory range behind */
#define PCI_PREF_MEMORY_LIMIT	0x26
#define  PCI_PREF_RANGE_TYPE_MASK 0x0f
#define  PCI_PREF_RANGE_TYPE_32	0x00
#define  PCI_PREF_RANGE_TYPE_64	0x01
#define  PCI_PREF_RANGE_MASK	~0x0f
#define PCI_PREF_BASE_UPPER32	0x28	/* Upper half of prefetchable memory range */
#define PCI_PREF_LIMIT_UPPER32	0x2c
#define PCI_IO_BASE_UPPER16	0x30	/* Upper half of I/O addresses */
#define PCI_IO_LIMIT_UPPER16	0x32
/* 0x34 same as for htype 0 */
/* 0x35-0x37 is reserved */
#define PCI_ROM_ADDRESS1	0x38	/* Same as PCI_ROM_ADDRESS, but for htype 1 */
/* 0x3c-0x3d are same as for htype 0 */
#define PCI_BRIDGE_CONTROL	0x3e
#define  PCI_BRIDGE_CTL_PARITY	0x01	/* Enable parity detection on secondary interface */
#define  PCI_BRIDGE_CTL_SERR	0x02	/* The same for SERR forwarding */
#define  PCI_BRIDGE_CTL_NO_ISA	0x04	/* Disable bridging of ISA ports */
#define  PCI_BRIDGE_CTL_VGA	0x08	/* Forward VGA addresses */
#define  PCI_BRIDGE_CTL_VGA_16BIT 0x10	/* VGA 16-bit decode */
#define  PCI_BRIDGE_CTL_MASTER_ABORT 0x20  /* Report master aborts */
#define  PCI_BRIDGE_CTL_BUS_RESET 0x40	/* Secondary bus reset */
#define  PCI_BRIDGE_CTL_FAST_BACK 0x80	/* Fast Back2Back enabled on secondary interface */
#define  PCI_BRIDGE_CTL_PRI_DISCARD_TIMER 0x100		/* PCI-X? */
#define  PCI_BRIDGE_CTL_SEC_DISCARD_TIMER 0x200		/* PCI-X? */
#define  PCI_BRIDGE_CTL_DISCARD_TIMER_STATUS 0x400	/* PCI-X? */
#define  PCI_BRIDGE_CTL_DISCARD_TIMER_SERR_EN 0x800	/* PCI-X? */

/* Header type 2 (CardBus bridges) */
#define PCI_CB_CAPABILITY_LIST	0x14
/* 0x15 reserved */
#define PCI_CB_SEC_STATUS	0x16	/* Secondary status */
#define PCI_CB_PRIMARY_BUS	0x18	/* PCI bus number */
#define PCI_CB_CARD_BUS		0x19	/* CardBus bus number */
#define PCI_CB_SUBORDINATE_BUS	0x1a	/* Subordinate bus number */
#define PCI_CB_LATENCY_TIMER	0x1b	/* CardBus latency timer */
#define PCI_CB_MEMORY_BASE_0	0x1c
#define PCI_CB_MEMORY_LIMIT_0	0x20
#define PCI_CB_MEMORY_BASE_1	0x24
#define PCI_CB_MEMORY_LIMIT_1	0x28
#define PCI_CB_IO_BASE_0	0x2c
#define PCI_CB_IO_BASE_0_HI	0x2e
#define PCI_CB_IO_LIMIT_0	0x30
#define PCI_CB_IO_LIMIT_0_HI	0x32
#define PCI_CB_IO_BASE_1	0x34
#define PCI_CB_IO_BASE_1_HI	0x36
#define PCI_CB_IO_LIMIT_1	0x38
#define PCI_CB_IO_LIMIT_1_HI	0x3a
#define  PCI_CB_IO_RANGE_MASK	~0x03
/* 0x3c-0x3d are same as for htype 0 */
#define PCI_CB_BRIDGE_CONTROL	0x3e
#define  PCI_CB_BRIDGE_CTL_PARITY	0x01	/* Similar to standard bridge control register */
#define  PCI_CB_BRIDGE_CTL_SERR		0x02
#define  PCI_CB_BRIDGE_CTL_ISA		0x04
#define  PCI_CB_BRIDGE_CTL_VGA		0x08
#define  PCI_CB_BRIDGE_CTL_MASTER_ABORT	0x20
#define  PCI_CB_BRIDGE_CTL_CB_RESET	0x40	/* CardBus reset */
#define  PCI_CB_BRIDGE_CTL_16BIT_INT	0x80	/* Enable interrupt for 16-bit cards */
#define  PCI_CB_BRIDGE_CTL_PREFETCH_MEM0 0x100	/* Prefetch enable for both memory regions */
#define  PCI_CB_BRIDGE_CTL_PREFETCH_MEM1 0x200
#define  PCI_CB_BRIDGE_CTL_POST_WRITES	0x400
#define PCI_CB_SUBSYSTEM_VENDOR_ID 0x40
#define PCI_CB_SUBSYSTEM_ID	0x42
#define PCI_CB_LEGACY_MODE_BASE	0x44	/* 16-bit PC Card legacy mode base address (ExCa) */
/* 0x48-0x7f reserved */

/* Capability lists */

#define PCI_CAP_LIST_ID		0	/* Capability ID */
#define  PCI_CAP_ID_NULL	0x00	/* Null Capability */
#define  PCI_CAP_ID_PM		0x01	/* Power Management */
#define  PCI_CAP_ID_AGP		0x02	/* Accelerated Graphics Port */
#define  PCI_CAP_ID_VPD		0x03	/* Vital Product Data */
#define  PCI_CAP_ID_SLOTID	0x04	/* Slot Identification */
#define  PCI_CAP_ID_MSI		0x05	/* Message Signaled Interrupts */
#define  PCI_CAP_ID_CHSWP	0x06	/* CompactPCI HotSwap */
#define  PCI_CAP_ID_PCIX        0x07    /* PCI-X */
#define  PCI_CAP_ID_HT          0x08    /* HyperTransport */
#define  PCI_CAP_ID_VNDR	0x09	/* Vendor specific */
#define  PCI_CAP_ID_DBG		0x0A	/* Debug port */
#define  PCI_CAP_ID_CCRC	0x0B	/* CompactPCI Central Resource Control */
#define  PCI_CAP_ID_HOTPLUG	0x0C	/* PCI hot-plug */
#define  PCI_CAP_ID_SSVID	0x0D	/* Bridge subsystem vendor/device ID */
#define  PCI_CAP_ID_AGP3	0x0E	/* AGP 8x */
#define  PCI_CAP_ID_SECURE	0x0F	/* Secure device (?) */
#define  PCI_CAP_ID_EXP		0x10	/* PCI Express */
#define  PCI_CAP_ID_MSIX	0x11	/* MSI-X */
#define  PCI_CAP_ID_SATA	0x12	/* Serial-ATA HBA */
#define  PCI_CAP_ID_AF		0x13	/* Advanced features of PCI devices integrated in PCIe root cplx */
#define  PCI_CAP_ID_EA		0x14	/* Enhanced Allocation */
#define  PCI_CAP_ID_FPB		0x15	/* Flattening Portal Bridge */
#define PCI_CAP_LIST_NEXT	1	/* Next capability in the list */
#define PCI_CAP_FLAGS		2	/* Capability defined flags (16 bits) */
#define PCI_CAP_SIZEOF		4

/* Capabilities residing in the PCI Express extended configuration space */

#define PCI_EXT_CAP_ID_NULL	0x00	/* Null Capability */
#define PCI_EXT_CAP_ID_AER	0x01	/* Advanced Error Reporting */
#define PCI_EXT_CAP_ID_VC	0x02	/* Virtual Channel */
#define PCI_EXT_CAP_ID_DSN	0x03	/* Device Serial Number */
#define PCI_EXT_CAP_ID_PB	0x04	/* Power Budgeting */
#define PCI_EXT_CAP_ID_RCLINK	0x05	/* Root Complex Link Declaration */
#define PCI_EXT_CAP_ID_RCILINK	0x06	/* Root Complex Internal Link Declaration */
#define PCI_EXT_CAP_ID_RCEC	0x07	/* Root Complex Event Collector */
#define PCI_EXT_CAP_ID_MFVC	0x08	/* Multi-Function Virtual Channel */
#define PCI_EXT_CAP_ID_VC2	0x09	/* Virtual Channel (2nd ID) */
#define PCI_EXT_CAP_ID_RCRB	0x0a	/* Root Complex Register Block */
#define PCI_EXT_CAP_ID_VNDR	0x0b	/* Vendor specific */
#define PCI_EXT_CAP_ID_ACS	0x0d	/* Access Controls */
#define PCI_EXT_CAP_ID_ARI	0x0e	/* Alternative Routing-ID Interpretation */
#define PCI_EXT_CAP_ID_ATS	0x0f	/* Address Translation Service */
#define PCI_EXT_CAP_ID_SRIOV	0x10	/* Single Root I/O Virtualization */
#define PCI_EXT_CAP_ID_MRIOV	0x11	/* Multi-Root I/O Virtualization */
#define PCI_EXT_CAP_ID_MCAST	0x12	/* Multicast */
#define PCI_EXT_CAP_ID_PRI	0x13	/* Page Request Interface */
#define PCI_EXT_CAP_ID_REBAR	0x15	/* Resizable BAR */
#define PCI_EXT_CAP_ID_DPA	0x16	/* Dynamic Power Allocation */
#define PCI_EXT_CAP_ID_TPH	0x17	/* Transaction processing hints */
#define PCI_EXT_CAP_ID_LTR	0x18	/* Latency Tolerance Reporting */
#define PCI_EXT_CAP_ID_SECPCI	0x19	/* Secondary PCI Express */
#define PCI_EXT_CAP_ID_PMUX	0x1a	/* Protocol Multiplexing */
#define PCI_EXT_CAP_ID_PASID	0x1b	/* Process Address Space ID */
#define PCI_EXT_CAP_ID_LNR	0x1c	/* LN Requester */
#define PCI_EXT_CAP_ID_DPC	0x1d	/* Downstream Port Containment */
#define PCI_EXT_CAP_ID_L1PM	0x1e	/* L1 PM Substates */
#define PCI_EXT_CAP_ID_PTM	0x1f	/* Precision Time Measurement */
#define PCI_EXT_CAP_ID_M_PCIE	0x20	/* PCIe over M-PHY */
#define PCI_EXT_CAP_ID_FRS	0x21	/* FRS Queuing */
#define PCI_EXT_CAP_ID_RTR	0x22	/* Readiness Time Reporting */
#define PCI_EXT_CAP_ID_DVSEC	0x23	/* Designated Vendor-Specific */
#define PCI_EXT_CAP_ID_VF_REBAR	0x24	/* VF Resizable BAR */
#define PCI_EXT_CAP_ID_DLNK	0x25	/* Data Link Feature */
#define PCI_EXT_CAP_ID_16GT	0x26	/* Physical Layer 16.0 GT/s */
#define PCI_EXT_CAP_ID_LMR	0x27	/* Lane Margining at Receiver */
#define PCI_EXT_CAP_ID_HIER_ID	0x28	/* Hierarchy ID */
#define PCI_EXT_CAP_ID_NPEM	0x29	/* Native PCIe Enclosure Management */
#define PCI_EXT_CAP_ID_32GT	0x2a	/* Physical Layer 32.0 GT/s */
#define PCI_EXT_CAP_ID_ALT_PROT	0x2b	/* Alternate Protocol */
#define PCI_EXT_CAP_ID_SFI	0x2c	/* System Firmware Intermediary */
#define PCI_EXT_CAP_ID_DOE	0x2e	/* Data Object Exchange */
#define PCI_EXT_CAP_ID_DEV3	0x2f	/* Device 3 */
#define PCI_EXT_CAP_ID_IDE	0x30	/* Integrity and Data Encryption */
#define PCI_EXT_CAP_ID_64GT	0x31	/* Physical Layer 64.0 GT/s */
#define PCI_EXT_CAP_ID_FLIT_LOG	0x32	/* Flit Logging */
#define PCI_EXT_CAP_ID_FLIT_PM	0x33	/* Flit Performance Measurement */
#define PCI_EXT_CAP_ID_FLIT_EI	0x34	/* Flit Error Injection*/
#define PCI_EXT_CAP_ID_SVC	0x35	/* Streamlined Virtual Channel */
#define PCI_EXT_CAP_ID_MMIO_RBL	0x36	/* MMIO Register Block Locator */
#define PCI_EXT_CAP_ID_NOP_FLIT	0x37	/* NOP Flit Extended Capability */
#define PCI_EXT_CAP_ID_SIOV	0x38	/* Scalable I/O Virtualization */
#define PCI_EXT_CAP_ID_128GT	0x39	/* Physical Layer 128.0 GT/s */
#define PCI_EXT_CAP_ID_CAPT_D	0x3a	/* Captured Data */

/*** Definitions of capabilities ***/

/* Power Management Registers */

#define  PCI_PM_CAP_VER_MASK	0x0007	/* Version (2=PM1.1) */
#define  PCI_PM_CAP_PME_CLOCK	0x0008	/* Clock required for PME generation */
#define  PCI_PM_CAP_DSI		0x0020	/* Device specific initialization required */
#define  PCI_PM_CAP_AUX_C_MASK	0x01c0	/* Maximum aux current required in D3cold */
#define  PCI_PM_CAP_D1		0x0200	/* D1 power state support */
#define  PCI_PM_CAP_D2		0x0400	/* D2 power state support */
#define  PCI_PM_CAP_PME_D0	0x0800	/* PME can be asserted from D0 */
#define  PCI_PM_CAP_PME_D1	0x1000	/* PME can be asserted from D1 */
#define  PCI_PM_CAP_PME_D2	0x2000	/* PME can be asserted from D2 */
#define  PCI_PM_CAP_PME_D3_HOT	0x4000	/* PME can be asserted from D3hot */
#define  PCI_PM_CAP_PME_D3_COLD	0x8000	/* PME can be asserted from D3cold */
#define PCI_PM_CTRL		4	/* PM control and status register */
#define  PCI_PM_CTRL_STATE_MASK	0x0003	/* Current power state (D0 to D3) */
#define  PCI_PM_CTRL_NO_SOFT_RST	0x0008	/* No Soft Reset from D3hot to D0 */
#define  PCI_PM_CTRL_PME_ENABLE	0x0100	/* PME pin enable */
#define  PCI_PM_CTRL_DATA_SEL_MASK	0x1e00	/* PM table data index */
#define  PCI_PM_CTRL_DATA_SCALE_MASK	0x6000	/* PM table data scaling factor */
#define  PCI_PM_CTRL_PME_STATUS	0x8000	/* PME pin status */
#define PCI_PM_PPB_EXTENSIONS	6	/* PPB support extensions */
#define  PCI_PM_PPB_B2_B3	0x40	/* If bridge enters D3hot, bus enters: 0=B3, 1=B2 */
#define  PCI_PM_BPCC_ENABLE	0x80	/* Secondary bus is power managed */
#define PCI_PM_DATA_REGISTER	7	/* PM table contents read here */
#define PCI_PM_SIZEOF		8

/* AGP registers */

#define PCI_AGP_VERSION		2	/* BCD version number */
#define PCI_AGP_RFU		3	/* Rest of capability flags */
#define PCI_AGP_STATUS		4	/* Status register */
#define  PCI_AGP_STATUS_RQ_MASK	0xff000000	/* Maximum number of requests - 1 */
#define  PCI_AGP_STATUS_ISOCH	0x10000	/* Isochronous transactions supported */
#define  PCI_AGP_STATUS_ARQSZ_MASK	0xe000	/* log2(optimum async req size in bytes) - 4 */
#define  PCI_AGP_STATUS_CAL_MASK	0x1c00	/* Calibration cycle timing */
#define  PCI_AGP_STATUS_SBA	0x0200	/* Sideband addressing supported */
#define  PCI_AGP_STATUS_ITA_COH	0x0100	/* In-aperture accesses always coherent */
#define  PCI_AGP_STATUS_GART64	0x0080	/* 64-bit GART entries supported */
#define  PCI_AGP_STATUS_HTRANS	0x0040	/* If 0, core logic can xlate host CPU accesses thru aperture */
#define  PCI_AGP_STATUS_64BIT	0x0020	/* 64-bit addressing cycles supported */
#define  PCI_AGP_STATUS_FW	0x0010	/* Fast write transfers supported */
#define  PCI_AGP_STATUS_AGP3	0x0008	/* AGP3 mode supported */
#define  PCI_AGP_STATUS_RATE4	0x0004	/* 4x transfer rate supported (RFU in AGP3 mode) */
#define  PCI_AGP_STATUS_RATE2	0x0002	/* 2x transfer rate supported (8x in AGP3 mode) */
#define  PCI_AGP_STATUS_RATE1	0x0001	/* 1x transfer rate supported (4x in AGP3 mode) */
#define PCI_AGP_COMMAND		8	/* Control register */
#define  PCI_AGP_COMMAND_RQ_MASK 0xff000000  /* Master: Maximum number of requests */
#define  PCI_AGP_COMMAND_ARQSZ_MASK	0xe000	/* log2(optimum async req size in bytes) - 4 */
#define  PCI_AGP_COMMAND_CAL_MASK	0x1c00	/* Calibration cycle timing */
#define  PCI_AGP_COMMAND_SBA	0x0200	/* Sideband addressing enabled */
#define  PCI_AGP_COMMAND_AGP	0x0100	/* Allow processing of AGP transactions */
#define  PCI_AGP_COMMAND_GART64	0x0080	/* 64-bit GART entries enabled */
#define  PCI_AGP_COMMAND_64BIT	0x0020 	/* Allow generation of 64-bit addr cycles */
#define  PCI_AGP_COMMAND_FW	0x0010 	/* Enable FW transfers */
#define  PCI_AGP_COMMAND_RATE4	0x0004	/* Use 4x rate (RFU in AGP3 mode) */
#define  PCI_AGP_COMMAND_RATE2	0x0002	/* Use 2x rate (8x in AGP3 mode) */
#define  PCI_AGP_COMMAND_RATE1	0x0001	/* Use 1x rate (4x in AGP3 mode) */
#define PCI_AGP_SIZEOF		12

/* Vital Product Data */

#define PCI_VPD_ADDR		2	/* Address to access (15 bits!) */
#define  PCI_VPD_ADDR_MASK	0x7fff	/* Address mask */
#define  PCI_VPD_ADDR_F		0x8000	/* Write 0, 1 indicates completion */
#define PCI_VPD_DATA		4	/* 32-bits of data returned here */

/* Slot Identification */

#define PCI_SID_ESR		2	/* Expansion Slot Register */
#define  PCI_SID_ESR_NSLOTS	0x1f	/* Number of expansion slots available */
#define  PCI_SID_ESR_FIC	0x20	/* First In Chassis Flag */
#define PCI_SID_CHASSIS_NR	3	/* Chassis Number */

/* Message Signaled Interrupts registers */

#define PCI_MSI_FLAGS		2	/* Various flags */
#define  PCI_MSI_FLAGS_MASK_BIT	0x100	/* interrupt masking & reporting supported */
#define  PCI_MSI_FLAGS_64BIT	0x080	/* 64-bit addresses allowed */
#define  PCI_MSI_FLAGS_QSIZE	0x070	/* Message queue size configured */
#define  PCI_MSI_FLAGS_QMASK	0x00e	/* Maximum queue size available */
#define  PCI_MSI_FLAGS_ENABLE	0x001	/* MSI feature enabled */
#define PCI_MSI_RFU		3	/* Rest of capability flags */
#define PCI_MSI_ADDRESS_LO	4	/* Lower 32 bits */
#define PCI_MSI_ADDRESS_HI	8	/* Upper 32 bits (if PCI_MSI_FLAGS_64BIT set) */
#define PCI_MSI_DATA_32		8	/* 16 bits of data for 32-bit devices */
#define PCI_MSI_DATA_64		12	/* 16 bits of data for 64-bit devices */
#define PCI_MSI_MASK_BIT_32	12	/* per-vector masking for 32-bit devices */
#define PCI_MSI_MASK_BIT_64	16	/* per-vector masking for 64-bit devices */
#define PCI_MSI_PENDING_32	16	/* per-vector interrupt pending for 32-bit devices */
#define PCI_MSI_PENDING_64	20	/* per-vector interrupt pending for 64-bit devices */

/* PCI-X */
#define PCI_PCIX_COMMAND                                                2 /* Command register offset */
#define PCI_PCIX_COMMAND_DPERE                                     0x0001 /* Data Parity Error Recover Enable */
#define PCI_PCIX_COMMAND_ERO                                       0x0002 /* Enable Relaxed Ordering */
#define PCI_PCIX_COMMAND_MAX_MEM_READ_BYTE_COUNT                   0x000c /* Maximum Memory Read Byte Count */
#define PCI_PCIX_COMMAND_MAX_OUTSTANDING_SPLIT_TRANS               0x0070
#define PCI_PCIX_COMMAND_RESERVED                                   0xf80
#define PCI_PCIX_STATUS                                                 4 /* Status register offset */
#define PCI_PCIX_STATUS_FUNCTION                               0x00000007
#define PCI_PCIX_STATUS_DEVICE                                 0x000000f8
#define PCI_PCIX_STATUS_BUS                                    0x0000ff00
#define PCI_PCIX_STATUS_64BIT                                  0x00010000
#define PCI_PCIX_STATUS_133MHZ                                 0x00020000
#define PCI_PCIX_STATUS_SC_DISCARDED                           0x00040000 /* Split Completion Discarded */
#define PCI_PCIX_STATUS_UNEXPECTED_SC                          0x00080000 /* Unexpected Split Completion */
#define PCI_PCIX_STATUS_DEVICE_COMPLEXITY                      0x00100000 /* 0 = simple device, 1 = bridge device */
#define PCI_PCIX_STATUS_DESIGNED_MAX_MEM_READ_BYTE_COUNT       0x00600000 /* 0 = 512 bytes, 1 = 1024, 2 = 2048, 3 = 4096 */
#define PCI_PCIX_STATUS_DESIGNED_MAX_OUTSTANDING_SPLIT_TRANS   0x03800000
#define PCI_PCIX_STATUS_DESIGNED_MAX_CUMULATIVE_READ_SIZE      0x1c000000
#define PCI_PCIX_STATUS_RCVD_SC_ERR_MESS                       0x20000000 /* Received Split Completion Error Message */
#define PCI_PCIX_STATUS_266MHZ				       0x40000000 /* 266 MHz capable */
#define PCI_PCIX_STATUS_533MHZ				       0x80000000 /* 533 MHz capable */
#define PCI_PCIX_SIZEOF		4

/* PCI-X Bridges */
#define PCI_PCIX_BRIDGE_SEC_STATUS                                      2 /* Secondary bus status register offset */
#define PCI_PCIX_BRIDGE_SEC_STATUS_64BIT                           0x0001
#define PCI_PCIX_BRIDGE_SEC_STATUS_133MHZ                          0x0002
#define PCI_PCIX_BRIDGE_SEC_STATUS_SC_DISCARDED                    0x0004 /* Split Completion Discarded on secondary bus */
#define PCI_PCIX_BRIDGE_SEC_STATUS_UNEXPECTED_SC                   0x0008 /* Unexpected Split Completion on secondary bus */
#define PCI_PCIX_BRIDGE_SEC_STATUS_SC_OVERRUN                      0x0010 /* Split Completion Overrun on secondary bus */
#define PCI_PCIX_BRIDGE_SEC_STATUS_SPLIT_REQUEST_DELAYED           0x0020
#define PCI_PCIX_BRIDGE_SEC_STATUS_CLOCK_FREQ                      0x01c0
#define PCI_PCIX_BRIDGE_SEC_STATUS_RESERVED                        0xfe00
#define PCI_PCIX_BRIDGE_STATUS                                          4 /* Primary bus status register offset */
#define PCI_PCIX_BRIDGE_STATUS_FUNCTION                        0x00000007
#define PCI_PCIX_BRIDGE_STATUS_DEVICE                          0x000000f8
#define PCI_PCIX_BRIDGE_STATUS_BUS                             0x0000ff00
#define PCI_PCIX_BRIDGE_STATUS_64BIT                           0x00010000
#define PCI_PCIX_BRIDGE_STATUS_133MHZ                          0x00020000
#define PCI_PCIX_BRIDGE_STATUS_SC_DISCARDED                    0x00040000 /* Split Completion Discarded */
#define PCI_PCIX_BRIDGE_STATUS_UNEXPECTED_SC                   0x00080000 /* Unexpected Split Completion */
#define PCI_PCIX_BRIDGE_STATUS_SC_OVERRUN                      0x00100000 /* Split Completion Overrun */
#define PCI_PCIX_BRIDGE_STATUS_SPLIT_REQUEST_DELAYED           0x00200000
#define PCI_PCIX_BRIDGE_STATUS_RESERVED                        0xffc00000
#define PCI_PCIX_BRIDGE_UPSTREAM_SPLIT_TRANS_CTRL                       8 /* Upstream Split Transaction Register offset */
#define PCI_PCIX_BRIDGE_DOWNSTREAM_SPLIT_TRANS_CTRL                    12 /* Downstream Split Transaction Register offset */
#define PCI_PCIX_BRIDGE_STR_CAPACITY                           0x0000ffff
#define PCI_PCIX_BRIDGE_STR_COMMITMENT_LIMIT                   0xffff0000
#define PCI_PCIX_BRIDGE_SIZEOF 12

/* HyperTransport (as of spec rev. 2.00) */
#define PCI_HT_CMD		2	/* Command Register */
#define  PCI_HT_CMD_TYP_HI	0xe000	/* Capability Type high part */
#define  PCI_HT_CMD_TYP_HI_PRI	0x0000	/* Slave or Primary Interface */
#define  PCI_HT_CMD_TYP_HI_SEC	0x2000	/* Host or Secondary Interface */
#define  PCI_HT_CMD_TYP		0xf800	/* Capability Type */
#define  PCI_HT_CMD_TYP_SW	0x4000	/* Switch */
#define  PCI_HT_CMD_TYP_IDC	0x8000	/* Interrupt Discovery and Configuration */
#define  PCI_HT_CMD_TYP_RID	0x8800	/* Revision ID */
#define  PCI_HT_CMD_TYP_UIDC	0x9000	/* UnitID Clumping */
#define  PCI_HT_CMD_TYP_ECSA	0x9800	/* Extended Configuration Space Access */
#define  PCI_HT_CMD_TYP_AM	0xa000	/* Address Mapping */
#define  PCI_HT_CMD_TYP_MSIM	0xa800	/* MSI Mapping */
#define  PCI_HT_CMD_TYP_DR	0xb000	/* DirectRoute */
#define  PCI_HT_CMD_TYP_VCS	0xb800	/* VCSet */
#define  PCI_HT_CMD_TYP_RM	0xc000	/* Retry Mode */
#define  PCI_HT_CMD_TYP_X86	0xc800	/* X86 (reserved) */

					/* Link Control Register */
#define  PCI_HT_LCTR_CFLE	0x0002	/* CRC Flood Enable */
#define  PCI_HT_LCTR_CST	0x0004	/* CRC Start Test */
#define  PCI_HT_LCTR_CFE	0x0008	/* CRC Force Error */
#define  PCI_HT_LCTR_LKFAIL	0x0010	/* Link Failure */
#define  PCI_HT_LCTR_INIT	0x0020	/* Initialization Complete */
#define  PCI_HT_LCTR_EOC	0x0040	/* End of Chain */
#define  PCI_HT_LCTR_TXO	0x0080	/* Transmitter Off */
#define  PCI_HT_LCTR_CRCERR	0x0f00	/* CRC Error */
#define  PCI_HT_LCTR_ISOCEN	0x1000	/* Isochronous Flow Control Enable */
#define  PCI_HT_LCTR_LSEN	0x2000	/* LDTSTOP# Tristate Enable */
#define  PCI_HT_LCTR_EXTCTL	0x4000	/* Extended CTL Time */
#define  PCI_HT_LCTR_64B	0x8000	/* 64-bit Addressing Enable */

					/* Link Configuration Register */
#define  PCI_HT_LCNF_MLWI	0x0007	/* Max Link Width In */
#define  PCI_HT_LCNF_LW_8B	0x0	/* Link Width 8 bits */
#define  PCI_HT_LCNF_LW_16B	0x1	/* Link Width 16 bits */
#define  PCI_HT_LCNF_LW_32B	0x3	/* Link Width 32 bits */
#define  PCI_HT_LCNF_LW_2B	0x4	/* Link Width 2 bits */
#define  PCI_HT_LCNF_LW_4B	0x5	/* Link Width 4 bits */
#define  PCI_HT_LCNF_LW_NC	0x7	/* Link physically not connected */
#define  PCI_HT_LCNF_DFI	0x0008	/* Doubleword Flow Control In */
#define  PCI_HT_LCNF_MLWO	0x0070	/* Max Link Width Out */
#define  PCI_HT_LCNF_DFO	0x0080	/* Doubleword Flow Control Out */
#define  PCI_HT_LCNF_LWI	0x0700	/* Link Width In */
#define  PCI_HT_LCNF_DFIE	0x0800	/* Doubleword Flow Control In Enable */
#define  PCI_HT_LCNF_LWO	0x7000	/* Link Width Out */
#define  PCI_HT_LCNF_DFOE	0x8000	/* Doubleword Flow Control Out Enable */

					/* Revision ID Register */
#define  PCI_HT_RID_MIN		0x1f	/* Minor Revision */
#define  PCI_HT_RID_MAJ		0xe0	/* Major Revision */

					/* Link Frequency/Error Register */
#define  PCI_HT_LFRER_FREQ	0x0f	/* Transmitter Clock Frequency */
#define  PCI_HT_LFRER_200	0x00	/* 200MHz */
#define  PCI_HT_LFRER_300	0x01	/* 300MHz */
#define  PCI_HT_LFRER_400	0x02	/* 400MHz */
#define  PCI_HT_LFRER_500	0x03	/* 500MHz */
#define  PCI_HT_LFRER_600	0x04	/* 600MHz */
#define  PCI_HT_LFRER_800	0x05	/* 800MHz */
#define  PCI_HT_LFRER_1000	0x06	/* 1.0GHz */
#define  PCI_HT_LFRER_1200	0x07	/* 1.2GHz */
#define  PCI_HT_LFRER_1400	0x08	/* 1.4GHz */
#define  PCI_HT_LFRER_1600	0x09	/* 1.6GHz */
#define  PCI_HT_LFRER_VEND	0x0f	/* Vendor-Specific */
#define  PCI_HT_LFRER_ERR	0xf0	/* Link Error */
#define  PCI_HT_LFRER_PROT	0x10	/* Protocol Error */
#define  PCI_HT_LFRER_OV	0x20	/* Overflow Error */
#define  PCI_HT_LFRER_EOC	0x40	/* End of Chain Error */
#define  PCI_HT_LFRER_CTLT	0x80	/* CTL Timeout */

					/* Link Frequency Capability Register */
#define  PCI_HT_LFCAP_200	0x0001	/* 200MHz */
#define  PCI_HT_LFCAP_300	0x0002	/* 300MHz */
#define  PCI_HT_LFCAP_400	0x0004	/* 400MHz */
#define  PCI_HT_LFCAP_500	0x0008	/* 500MHz */
#define  PCI_HT_LFCAP_600	0x0010	/* 600MHz */
#define  PCI_HT_LFCAP_800	0x0020	/* 800MHz */
#define  PCI_HT_LFCAP_1000	0x0040	/* 1.0GHz */
#define  PCI_HT_LFCAP_1200	0x0080	/* 1.2GHz */
#define  PCI_HT_LFCAP_1400	0x0100	/* 1.4GHz */
#define  PCI_HT_LFCAP_1600	0x0200	/* 1.6GHz */
#define  PCI_HT_LFCAP_VEND	0x8000	/* Vendor-Specific */

					/* Feature Register */
#define  PCI_HT_FTR_ISOCFC	0x0001	/* Isochronous Flow Control Mode */
#define  PCI_HT_FTR_LDTSTOP	0x0002	/* LDTSTOP# Supported */
#define  PCI_HT_FTR_CRCTM	0x0004	/* CRC Test Mode */
#define  PCI_HT_FTR_ECTLT	0x0008	/* Extended CTL Time Required */
#define  PCI_HT_FTR_64BA	0x0010	/* 64-bit Addressing */
#define  PCI_HT_FTR_UIDRD	0x0020	/* UnitID Reorder Disable */

					/* Error Handling Register */
#define  PCI_HT_EH_PFLE		0x0001	/* Protocol Error Flood Enable */
#define  PCI_HT_EH_OFLE		0x0002	/* Overflow Error Flood Enable */
#define  PCI_HT_EH_PFE		0x0004	/* Protocol Error Fatal Enable */
#define  PCI_HT_EH_OFE		0x0008	/* Overflow Error Fatal Enable */
#define  PCI_HT_EH_EOCFE	0x0010	/* End of Chain Error Fatal Enable */
#define  PCI_HT_EH_RFE		0x0020	/* Response Error Fatal Enable */
#define  PCI_HT_EH_CRCFE	0x0040	/* CRC Error Fatal Enable */
#define  PCI_HT_EH_SERRFE	0x0080	/* System Error Fatal Enable (B */
#define  PCI_HT_EH_CF		0x0100	/* Chain Fail */
#define  PCI_HT_EH_RE		0x0200	/* Response Error */
#define  PCI_HT_EH_PNFE		0x0400	/* Protocol Error Nonfatal Enable */
#define  PCI_HT_EH_ONFE		0x0800	/* Overflow Error Nonfatal Enable */
#define  PCI_HT_EH_EOCNFE	0x1000	/* End of Chain Error Nonfatal Enable */
#define  PCI_HT_EH_RNFE		0x2000	/* Response Error Nonfatal Enable */
#define  PCI_HT_EH_CRCNFE	0x4000	/* CRC Error Nonfatal Enable */
#define  PCI_HT_EH_SERRNFE	0x8000	/* System Error Nonfatal Enable */

/* HyperTransport: Slave or Primary Interface */
#define PCI_HT_PRI_CMD		2	/* Command Register */
#define  PCI_HT_PRI_CMD_BUID	0x001f	/* Base UnitID */
#define  PCI_HT_PRI_CMD_UC	0x03e0	/* Unit Count */
#define  PCI_HT_PRI_CMD_MH	0x0400	/* Master Host */
#define  PCI_HT_PRI_CMD_DD	0x0800	/* Default Direction */
#define  PCI_HT_PRI_CMD_DUL	0x1000	/* Drop on Uninitialized Link */

#define PCI_HT_PRI_LCTR0	4	/* Link Control 0 Register */
#define PCI_HT_PRI_LCNF0	6	/* Link Config 0 Register */
#define PCI_HT_PRI_LCTR1	8	/* Link Control 1 Register */
#define PCI_HT_PRI_LCNF1	10	/* Link Config 1 Register */
#define PCI_HT_PRI_RID		12	/* Revision ID Register */
#define PCI_HT_PRI_LFRER0	13	/* Link Frequency/Error 0 Register */
#define PCI_HT_PRI_LFCAP0	14	/* Link Frequency Capability 0 Register */
#define PCI_HT_PRI_FTR		16	/* Feature Register */
#define PCI_HT_PRI_LFRER1	17	/* Link Frequency/Error 1 Register */
#define PCI_HT_PRI_LFCAP1	18	/* Link Frequency Capability 1 Register */
#define PCI_HT_PRI_ES		20	/* Enumeration Scratchpad Register */
#define PCI_HT_PRI_EH		22	/* Error Handling Register */
#define PCI_HT_PRI_MBU		24	/* Memory Base Upper Register */
#define PCI_HT_PRI_MLU		25	/* Memory Limit Upper Register */
#define PCI_HT_PRI_BN		26	/* Bus Number Register */
#define PCI_HT_PRI_SIZEOF	28

/* HyperTransport: Host or Secondary Interface */
#define PCI_HT_SEC_CMD		2	/* Command Register */
#define  PCI_HT_SEC_CMD_WR	0x0001	/* Warm Reset */
#define  PCI_HT_SEC_CMD_DE	0x0002	/* Double-Ended */
#define  PCI_HT_SEC_CMD_DN	0x007c	/* Device Number */
#define  PCI_HT_SEC_CMD_CS	0x0080	/* Chain Side */
#define  PCI_HT_SEC_CMD_HH	0x0100	/* Host Hide */
#define  PCI_HT_SEC_CMD_AS	0x0400	/* Act as Slave */
#define  PCI_HT_SEC_CMD_HIECE	0x0800	/* Host Inbound End of Chain Error */
#define  PCI_HT_SEC_CMD_DUL	0x1000	/* Drop on Uninitialized Link */

#define PCI_HT_SEC_LCTR		4	/* Link Control Register */
#define PCI_HT_SEC_LCNF		6	/* Link Config Register */
#define PCI_HT_SEC_RID		8	/* Revision ID Register */
#define PCI_HT_SEC_LFRER	9	/* Link Frequency/Error Register */
#define PCI_HT_SEC_LFCAP	10	/* Link Frequency Capability Register */
#define PCI_HT_SEC_FTR		12	/* Feature Register */
#define  PCI_HT_SEC_FTR_EXTRS	0x0100	/* Extended Register Set */
#define  PCI_HT_SEC_FTR_UCNFE	0x0200	/* Upstream Configuration Enable */
#define PCI_HT_SEC_ES		16	/* Enumeration Scratchpad Register */
#define PCI_HT_SEC_EH		18	/* Error Handling Register */
#define PCI_HT_SEC_MBU		20	/* Memory Base Upper Register */
#define PCI_HT_SEC_MLU		21	/* Memory Limit Upper Register */
#define PCI_HT_SEC_SIZEOF	24

/* HyperTransport: Switch */
#define PCI_HT_SW_CMD		2	/* Switch Command Register */
#define  PCI_HT_SW_CMD_VIBERR	0x0080	/* VIB Error */
#define  PCI_HT_SW_CMD_VIBFL	0x0100	/* VIB Flood */
#define  PCI_HT_SW_CMD_VIBFT	0x0200	/* VIB Fatal */
#define  PCI_HT_SW_CMD_VIBNFT	0x0400	/* VIB Nonfatal */
#define PCI_HT_SW_PMASK		4	/* Partition Mask Register */
#define PCI_HT_SW_SWINF		8	/* Switch Info Register */
#define  PCI_HT_SW_SWINF_DP	0x0000001f /* Default Port */
#define  PCI_HT_SW_SWINF_EN	0x00000020 /* Enable Decode */
#define  PCI_HT_SW_SWINF_CR	0x00000040 /* Cold Reset */
#define  PCI_HT_SW_SWINF_PCIDX	0x00000f00 /* Performance Counter Index */
#define  PCI_HT_SW_SWINF_BLRIDX	0x0003f000 /* Base/Limit Range Index */
#define  PCI_HT_SW_SWINF_SBIDX	0x00002000 /* Secondary Base Range Index */
#define  PCI_HT_SW_SWINF_HP	0x00040000 /* Hot Plug */
#define  PCI_HT_SW_SWINF_HIDE	0x00080000 /* Hide Port */
#define PCI_HT_SW_PCD		12	/* Performance Counter Data Register */
#define PCI_HT_SW_BLRD		16	/* Base/Limit Range Data Register */
#define PCI_HT_SW_SBD		20	/* Secondary Base Data Register */
#define PCI_HT_SW_SIZEOF	24

					/* Counter indices */
#define  PCI_HT_SW_PC_PCR	0x0	/* Posted Command Receive */
#define  PCI_HT_SW_PC_NPCR	0x1	/* Nonposted Command Receive */
#define  PCI_HT_SW_PC_RCR	0x2	/* Response Command Receive */
#define  PCI_HT_SW_PC_PDWR	0x3	/* Posted DW Receive */
#define  PCI_HT_SW_PC_NPDWR	0x4	/* Nonposted DW Receive */
#define  PCI_HT_SW_PC_RDWR	0x5	/* Response DW Receive */
#define  PCI_HT_SW_PC_PCT	0x6	/* Posted Command Transmit */
#define  PCI_HT_SW_PC_NPCT	0x7	/* Nonposted Command Transmit */
#define  PCI_HT_SW_PC_RCT	0x8	/* Response Command Transmit */
#define  PCI_HT_SW_PC_PDWT	0x9	/* Posted DW Transmit */
#define  PCI_HT_SW_PC_NPDWT	0xa	/* Nonposted DW Transmit */
#define  PCI_HT_SW_PC_RDWT	0xb	/* Response DW Transmit */

					/* Base/Limit Range indices */
#define  PCI_HT_SW_BLR_BASE0_LO	0x0	/* Base 0[31:1], Enable */
#define  PCI_HT_SW_BLR_BASE0_HI	0x1	/* Base 0 Upper */
#define  PCI_HT_SW_BLR_LIM0_LO	0x2	/* Limit 0 Lower */
#define  PCI_HT_SW_BLR_LIM0_HI	0x3	/* Limit 0 Upper */

					/* Secondary Base indices */
#define  PCI_HT_SW_SB_LO	0x0	/* Secondary Base[31:1], Enable */
#define  PCI_HT_SW_S0_HI	0x1	/* Secondary Base Upper */

/* HyperTransport: Interrupt Discovery and Configuration */
#define PCI_HT_IDC_IDX		2	/* Index Register */
#define PCI_HT_IDC_DATA		4	/* Data Register */
#define PCI_HT_IDC_SIZEOF	8

					/* Register indices */
#define  PCI_HT_IDC_IDX_LINT	0x01	/* Last Interrupt Register */
#define   PCI_HT_IDC_LINT	0x00ff0000 /* Last interrupt definition */
#define  PCI_HT_IDC_IDX_IDR	0x10	/* Interrupt Definition Registers */
					/* Low part (at index) */
#define   PCI_HT_IDC_IDR_MASK	0x10000001 /* Mask */
#define   PCI_HT_IDC_IDR_POL	0x10000002 /* Polarity */
#define   PCI_HT_IDC_IDR_II_2	0x1000001c /* IntrInfo[4:2]: Message Type */
#define   PCI_HT_IDC_IDR_II_5	0x10000020 /* IntrInfo[5]: Request EOI */
#define   PCI_HT_IDC_IDR_II_6	0x00ffffc0 /* IntrInfo[23:6] */
#define   PCI_HT_IDC_IDR_II_24	0xff000000 /* IntrInfo[31:24] */
					/* High part (at index + 1) */
#define   PCI_HT_IDC_IDR_II_32	0x00ffffff /* IntrInfo[55:32] */
#define   PCI_HT_IDC_IDR_PASSPW	0x40000000 /* PassPW setting for messages */
#define   PCI_HT_IDC_IDR_WEOI	0x80000000 /* Waiting for EOI */

/* HyperTransport: Revision ID */
#define PCI_HT_RID_RID		2	/* Revision Register */
#define PCI_HT_RID_SIZEOF	4

/* HyperTransport: UnitID Clumping */
#define PCI_HT_UIDC_CS		4	/* Clumping Support Register */
#define PCI_HT_UIDC_CE		8	/* Clumping Enable Register */
#define PCI_HT_UIDC_SIZEOF	12

/* HyperTransport: Extended Configuration Space Access */
#define PCI_HT_ECSA_ADDR	4	/* Configuration Address Register */
#define  PCI_HT_ECSA_ADDR_REG	0x00000ffc /* Register */
#define  PCI_HT_ECSA_ADDR_FUN	0x00007000 /* Function */
#define  PCI_HT_ECSA_ADDR_DEV	0x000f1000 /* Device */
#define  PCI_HT_ECSA_ADDR_BUS	0x0ff00000 /* Bus Number */
#define  PCI_HT_ECSA_ADDR_TYPE	0x10000000 /* Access Type */
#define PCI_HT_ECSA_DATA	8	/* Configuration Data Register */
#define PCI_HT_ECSA_SIZEOF	12

/* HyperTransport: Address Mapping */
#define PCI_HT_AM_CMD		2	/* Command Register */
#define  PCI_HT_AM_CMD_NDMA	0x000f	/* Number of DMA Mappings */
#define  PCI_HT_AM_CMD_IOSIZ	0x01f0	/* I/O Size */
#define  PCI_HT_AM_CMD_MT	0x0600	/* Map Type */
#define  PCI_HT_AM_CMD_MT_40B	0x0000	/* 40-bit */
#define  PCI_HT_AM_CMD_MT_64B	0x0200	/* 64-bit */

					/* Window Control Register bits */
#define  PCI_HT_AM_SBW_CTR_COMP	0x1	/* Compat */
#define  PCI_HT_AM_SBW_CTR_NCOH	0x2	/* NonCoherent */
#define  PCI_HT_AM_SBW_CTR_ISOC	0x4	/* Isochronous */
#define  PCI_HT_AM_SBW_CTR_EN	0x8	/* Enable */

/* HyperTransport: 40-bit Address Mapping */
#define PCI_HT_AM40_SBNPW	4	/* Secondary Bus Non-Prefetchable Window Register */
#define  PCI_HT_AM40_SBW_BASE	0x000fffff /* Window Base */
#define  PCI_HT_AM40_SBW_CTR	0xf0000000 /* Window Control */
#define PCI_HT_AM40_SBPW	8	/* Secondary Bus Prefetchable Window Register */
#define PCI_HT_AM40_DMA_PBASE0	12	/* DMA Window Primary Base 0 Register */
#define PCI_HT_AM40_DMA_CTR0	15	/* DMA Window Control 0 Register */
#define  PCI_HT_AM40_DMA_CTR_CTR 0xf0	/* Window Control */
#define PCI_HT_AM40_DMA_SLIM0	16	/* DMA Window Secondary Limit 0 Register */
#define PCI_HT_AM40_DMA_SBASE0	18	/* DMA Window Secondary Base 0 Register */
#define PCI_HT_AM40_SIZEOF	12	/* size is variable: 12 + 8 * NDMA */

/* HyperTransport: 64-bit Address Mapping */
#define PCI_HT_AM64_IDX		4	/* Index Register */
#define PCI_HT_AM64_DATA_LO	8	/* Data Lower Register */
#define PCI_HT_AM64_DATA_HI	12	/* Data Upper Register */
#define PCI_HT_AM64_SIZEOF	16

					/* Register indices */
#define  PCI_HT_AM64_IDX_SBNPW	0x00	/* Secondary Bus Non-Prefetchable Window Register */
#define   PCI_HT_AM64_W_BASE_LO	0xfff00000 /* Window Base Lower */
#define   PCI_HT_AM64_W_CTR	0x0000000f /* Window Control */
#define  PCI_HT_AM64_IDX_SBPW	0x01	/* Secondary Bus Prefetchable Window Register */
#define   PCI_HT_AM64_IDX_PBNPW	0x02	/* Primary Bus Non-Prefetchable Window Register */
#define   PCI_HT_AM64_IDX_DMAPB0 0x04	/* DMA Window Primary Base 0 Register */
#define   PCI_HT_AM64_IDX_DMASB0 0x05	/* DMA Window Secondary Base 0 Register */
#define   PCI_HT_AM64_IDX_DMASL0 0x06	/* DMA Window Secondary Limit 0 Register */

/* HyperTransport: MSI Mapping */
#define PCI_HT_MSIM_CMD		2	/* Command Register */
#define  PCI_HT_MSIM_CMD_EN	0x0001	/* Mapping Active */
#define  PCI_HT_MSIM_CMD_FIXD	0x0002	/* MSI Mapping Address Fixed */
#define PCI_HT_MSIM_ADDR_LO	4	/* MSI Mapping Address Lower Register */
#define PCI_HT_MSIM_ADDR_HI	8	/* MSI Mapping Address Upper Register */
#define PCI_HT_MSIM_SIZEOF	12

/* HyperTransport: DirectRoute */
#define PCI_HT_DR_CMD		2	/* Command Register */
#define  PCI_HT_DR_CMD_NDRS	0x000f	/* Number of DirectRoute Spaces */
#define  PCI_HT_DR_CMD_IDX	0x01f0	/* Index */
#define PCI_HT_DR_EN		4	/* Enable Vector Register */
#define PCI_HT_DR_DATA		8	/* Data Register */
#define PCI_HT_DR_SIZEOF	12

					/* Register indices */
#define  PCI_HT_DR_IDX_BASE_LO	0x00	/* DirectRoute Base Lower Register */
#define   PCI_HT_DR_OTNRD	0x00000001 /* Opposite to Normal Request Direction */
#define   PCI_HT_DR_BL_LO	0xffffff00 /* Base/Limit Lower */
#define  PCI_HT_DR_IDX_BASE_HI	0x01	/* DirectRoute Base Upper Register */
#define  PCI_HT_DR_IDX_LIMIT_LO	0x02	/* DirectRoute Limit Lower Register */
#define  PCI_HT_DR_IDX_LIMIT_HI	0x03	/* DirectRoute Limit Upper Register */

/* HyperTransport: VCSet */
#define PCI_HT_VCS_SUP		4	/* VCSets Supported Register */
#define PCI_HT_VCS_L1EN		5	/* Link 1 VCSets Enabled Register */
#define PCI_HT_VCS_L0EN		6	/* Link 0 VCSets Enabled Register */
#define PCI_HT_VCS_SBD		8	/* Stream Bucket Depth Register */
#define PCI_HT_VCS_SINT		9	/* Stream Interval Register */
#define PCI_HT_VCS_SSUP		10	/* Number of Streaming VCs Supported Register */
#define  PCI_HT_VCS_SSUP_0	0x00	/* Streaming VC 0 */
#define  PCI_HT_VCS_SSUP_3	0x01	/* Streaming VCs 0-3 */
#define  PCI_HT_VCS_SSUP_15	0x02	/* Streaming VCs 0-15 */
#define PCI_HT_VCS_NFCBD	12	/* Non-FC Bucket Depth Register */
#define PCI_HT_VCS_NFCINT	13	/* Non-FC Bucket Interval Register */
#define PCI_HT_VCS_SIZEOF	16

/* HyperTransport: Retry Mode */
#define PCI_HT_RM_CTR0		4	/* Control 0 Register */
#define  PCI_HT_RM_CTR_LRETEN	0x01	/* Link Retry Enable */
#define  PCI_HT_RM_CTR_FSER	0x02	/* Force Single Error */
#define  PCI_HT_RM_CTR_ROLNEN	0x04	/* Rollover Nonfatal Enable */
#define  PCI_HT_RM_CTR_FSS	0x08	/* Force Single Stomp */
#define  PCI_HT_RM_CTR_RETNEN	0x10	/* Retry Nonfatal Enable */
#define  PCI_HT_RM_CTR_RETFEN	0x20	/* Retry Fatal Enable */
#define  PCI_HT_RM_CTR_AA	0xc0	/* Allowed Attempts */
#define PCI_HT_RM_STS0		5	/* Status 0 Register */
#define  PCI_HT_RM_STS_RETSNT	0x01	/* Retry Sent */
#define  PCI_HT_RM_STS_CNTROL	0x02	/* Count Rollover */
#define  PCI_HT_RM_STS_SRCV	0x04	/* Stomp Received */
#define PCI_HT_RM_CTR1		6	/* Control 1 Register */
#define PCI_HT_RM_STS1		7	/* Status 1 Register */
#define PCI_HT_RM_CNT0		8	/* Retry Count 0 Register */
#define PCI_HT_RM_CNT1		10	/* Retry Count 1 Register */
#define PCI_HT_RM_SIZEOF	12

/* Vendor-Specific Capability (see PCI_EVNDR_xxx for the PCIe version) */
#define PCI_VNDR_LENGTH		2	/* Length byte */

/* PCI Express */
#define PCI_EXP_FLAGS		0x2	/* Capabilities register */
#define PCI_EXP_FLAGS_VERS	0x000f	/* Capability version */
#define PCI_EXP_FLAGS_TYPE	0x00f0	/* Device/Port type */
#define  PCI_EXP_TYPE_ENDPOINT	0x0	/* Express Endpoint */
#define  PCI_EXP_TYPE_LEG_END	0x1	/* Legacy Endpoint */
#define  PCI_EXP_TYPE_ROOT_PORT 0x4	/* Root Port */
#define  PCI_EXP_TYPE_UPSTREAM	0x5	/* Upstream Port */
#define  PCI_EXP_TYPE_DOWNSTREAM 0x6	/* Downstream Port */
#define  PCI_EXP_TYPE_PCI_BRIDGE 0x7	/* PCIe to PCI/PCI-X Bridge */
#define  PCI_EXP_TYPE_PCIE_BRIDGE 0x8	/* PCI/PCI-X to PCIe Bridge */
#define  PCI_EXP_TYPE_ROOT_INT_EP 0x9	/* Root Complex Integrated Endpoint */
#define  PCI_EXP_TYPE_ROOT_EC 0xa	/* Root Complex Event Collector */
#define PCI_EXP_FLAGS_SLOT	0x0100	/* Slot implemented */
#define PCI_EXP_FLAGS_IRQ	0x3e00	/* Interrupt message number */
#define PCI_EXP_FLAGS_FLIT_MODE  0x8000  /* FLIT mode supported */
#define PCI_EXP_DEVCAP		0x4	/* Device capabilities */
#define  PCI_EXP_DEVCAP_PAYLOAD	0x07	/* Max_Payload_Size */
#define  PCI_EXP_DEVCAP_PHANTOM	0x18	/* Phantom functions */
#define  PCI_EXP_DEVCAP_EXT_TAG	0x20	/* Extended tags */
#define  PCI_EXP_DEVCAP_L0S	0x1c0	/* L0s Acceptable Latency */
#define  PCI_EXP_DEVCAP_L1	0xe00	/* L1 Acceptable Latency */
#define  PCI_EXP_DEVCAP_ATN_BUT	0x1000	/* Attention Button Present */
#define  PCI_EXP_DEVCAP_ATN_IND	0x2000	/* Attention Indicator Present */
#define  PCI_EXP_DEVCAP_PWR_IND	0x4000	/* Power Indicator Present */
#define  PCI_EXP_DEVCAP_RBE	0x8000	/* Role-Based Error Reporting */
#define  PCI_EXP_DEVCAP_PWR_VAL	0x3fc0000 /* Slot Power Limit Value */
#define  PCI_EXP_DEVCAP_PWR_SCL	0xc000000 /* Slot Power Limit Scale */
#define  PCI_EXP_DEVCAP_FLRESET	0x10000000 /* Function-Level Reset */
#define  PCI_EXP_DEVCAP_TEE_IO  0x40000000 /* TEE-IO Supported (TDISP) */
#define PCI_EXP_DEVCTL		0x8	/* Device Control */
#define  PCI_EXP_DEVCTL_CERE	0x0001	/* Correctable Error Reporting En. */
#define  PCI_EXP_DEVCTL_NFERE	0x0002	/* Non-Fatal Error Reporting Enable */
#define  PCI_EXP_DEVCTL_FERE	0x0004	/* Fatal Error Reporting Enable */
#define  PCI_EXP_DEVCTL_URRE	0x0008	/* Unsupported Request Reporting En. */
#define  PCI_EXP_DEVCTL_RELAXED	0x0010	/* Enable Relaxed Ordering */
#define  PCI_EXP_DEVCTL_PAYLOAD	0x00e0	/* Max_Payload_Size */
#define  PCI_EXP_DEVCTL_EXT_TAG	0x0100	/* Extended Tag Field Enable */
#define  PCI_EXP_DEVCTL_PHANTOM	0x0200	/* Phantom Functions Enable */
#define  PCI_EXP_DEVCTL_AUX_PME	0x0400	/* Auxiliary Power PM Enable */
#define  PCI_EXP_DEVCTL_NOSNOOP	0x0800	/* Enable No Snoop */
#define  PCI_EXP_DEVCTL_READRQ	0x7000	/* Max_Read_Request_Size */
#define  PCI_EXP_DEVCTL_BCRE	0x8000	/* Bridge Configuration Retry Enable */
#define  PCI_EXP_DEVCTL_FLRESET	0x8000	/* Function-Level Reset [bit shared with BCRE] */
#define PCI_EXP_DEVSTA		0xa	/* Device Status */
#define  PCI_EXP_DEVSTA_CED	0x01	/* Correctable Error Detected */
#define  PCI_EXP_DEVSTA_NFED	0x02	/* Non-Fatal Error Detected */
#define  PCI_EXP_DEVSTA_FED	0x04	/* Fatal Error Detected */
#define  PCI_EXP_DEVSTA_URD	0x08	/* Unsupported Request Detected */
#define  PCI_EXP_DEVSTA_AUXPD	0x10	/* AUX Power Detected */
#define  PCI_EXP_DEVSTA_TRPND	0x20	/* Transactions Pending */
#define PCI_EXP_LNKCAP		0xc	/* Link Capabilities */
#define  PCI_EXP_LNKCAP_SPEED	0x0000f	/* Maximum Link Speed */
#define  PCI_EXP_LNKCAP_WIDTH	0x003f0	/* Maximum Link Width */
#define  PCI_EXP_LNKCAP_ASPM	0x00c00	/* Active State Power Management */
#define  PCI_EXP_LNKCAP_L0S	0x07000	/* L0s Exit Latency */
#define  PCI_EXP_LNKCAP_L1	0x38000	/* L1 Exit Latency */
#define  PCI_EXP_LNKCAP_CLOCKPM	0x40000	/* Clock Power Management */
#define  PCI_EXP_LNKCAP_SURPRISE 0x80000 /* Surprise Down Error Reporting */
#define  PCI_EXP_LNKCAP_DLLA	0x100000 /* Data Link Layer Active Reporting */
#define  PCI_EXP_LNKCAP_LBNC	0x200000 /* Link Bandwidth Notification Capability */
#define  PCI_EXP_LNKCAP_AOC 	0x400000 /* ASPM Optionality Compliance */
#define  PCI_EXP_LNKCAP_PORT	0xff000000 /* Port Number */
#define PCI_EXP_LNKCTL		0x10	/* Link Control */
#define  PCI_EXP_LNKCTL_ASPM	0x0003	/* ASPM Control */
#define  PCI_EXP_LNKCTL_RCB	0x0008	/* Read Completion Boundary */
#define  PCI_EXP_LNKCTL_DISABLE	0x0010	/* Link Disable */
#define  PCI_EXP_LNKCTL_RETRAIN	0x0020	/* Retrain Link */
#define  PCI_EXP_LNKCTL_CLOCK	0x0040	/* Common Clock Configuration */
#define  PCI_EXP_LNKCTL_XSYNCH	0x0080	/* Extended Synch */
#define  PCI_EXP_LNKCTL_CLOCKPM	0x0100	/* Clock Power Management */
#define  PCI_EXP_LNKCTL_HWAUTWD	0x0200	/* Hardware Autonomous Width Disable */
#define  PCI_EXP_LNKCTL_BWMIE	0x0400	/* Bandwidth Mgmt Interrupt Enable */
#define  PCI_EXP_LNKCTL_AUTBWIE	0x0800	/* Autonomous Bandwidth Mgmt Interrupt Enable */
#define  PCI_EXP_LNKCTL_FLIT_MODE_DIS  0x2000      /* FLIT mode disable */
#define PCI_EXP_LNKSTA		0x12	/* Link Status */
#define  PCI_EXP_LNKSTA_SPEED	0x000f	/* Negotiated Link Speed */
#define  PCI_EXP_LNKSTA_WIDTH	0x03f0	/* Negotiated Link Width */
#define  PCI_EXP_LNKSTA_TR_ERR	0x0400	/* Training Error (obsolete) */
#define  PCI_EXP_LNKSTA_TRAIN	0x0800	/* Link Training */
#define  PCI_EXP_LNKSTA_SL_CLK	0x1000	/* Slot Clock Configuration */
#define  PCI_EXP_LNKSTA_DL_ACT	0x2000	/* Data Link Layer in DL_Active State */
#define  PCI_EXP_LNKSTA_BWMGMT	0x4000	/* Bandwidth Mgmt Status */
#define  PCI_EXP_LNKSTA_AUTBW	0x8000	/* Autonomous Bandwidth Mgmt Status */
#define PCI_EXP_SLTCAP		0x14	/* Slot Capabilities */
#define  PCI_EXP_SLTCAP_ATNB	0x0001	/* Attention Button Present */
#define  PCI_EXP_SLTCAP_PWRC	0x0002	/* Power Controller Present */
#define  PCI_EXP_SLTCAP_MRL	0x0004	/* MRL Sensor Present */
#define  PCI_EXP_SLTCAP_ATNI	0x0008	/* Attention Indicator Present */
#define  PCI_EXP_SLTCAP_PWRI	0x0010	/* Power Indicator Present */
#define  PCI_EXP_SLTCAP_HPS	0x0020	/* Hot-Plug Surprise */
#define  PCI_EXP_SLTCAP_HPC	0x0040	/* Hot-Plug Capable */
#define  PCI_EXP_SLTCAP_PWR_VAL	0x00007f80 /* Slot Power Limit Value */
#define  PCI_EXP_SLTCAP_PWR_SCL	0x00018000 /* Slot Power Limit Scale */
#define  PCI_EXP_SLTCAP_INTERLOCK 0x020000 /* Electromechanical Interlock Present */
#define  PCI_EXP_SLTCAP_NOCMDCOMP 0x040000 /* No Command Completed Support */
#define  PCI_EXP_SLTCAP_PSN	0xfff80000 /* Physical Slot Number */
#define PCI_EXP_SLTCTL		0x18	/* Slot Control */
#define  PCI_EXP_SLTCTL_ATNB	0x0001	/* Attention Button Pressed Enable */
#define  PCI_EXP_SLTCTL_PWRF	0x0002	/* Power Fault Detected Enable */
#define  PCI_EXP_SLTCTL_MRLS	0x0004	/* MRL Sensor Changed Enable */
#define  PCI_EXP_SLTCTL_PRSD	0x0008	/* Presence Detect Changed Enable */
#define  PCI_EXP_SLTCTL_CMDC	0x0010	/* Command Completed Interrupt Enable */
#define  PCI_EXP_SLTCTL_HPIE	0x0020	/* Hot-Plug Interrupt Enable */
#define  PCI_EXP_SLTCTL_ATNI	0x00c0	/* Attention Indicator Control */
#define  PCI_EXP_SLTCTL_PWRI	0x0300	/* Power Indicator Control */
#define  PCI_EXP_SLTCTL_PWRC	0x0400	/* Power Controller Control */
#define  PCI_EXP_SLTCTL_INTERLOCK 0x0800 /* Electromechanical Interlock Control */
#define  PCI_EXP_SLTCTL_LLCHG	0x1000	/* Data Link Layer State Changed Enable */
#define PCI_EXP_SLTSTA		0x1a	/* Slot Status */
#define  PCI_EXP_SLTSTA_ATNB	0x0001	/* Attention Button Pressed */
#define  PCI_EXP_SLTSTA_PWRF	0x0002	/* Power Fault Detected */
#define  PCI_EXP_SLTSTA_MRLS	0x0004	/* MRL Sensor Changed */
#define  PCI_EXP_SLTSTA_PRSD	0x0008	/* Presence Detect Changed */
#define  PCI_EXP_SLTSTA_CMDC	0x0010	/* Command Completed */
#define  PCI_EXP_SLTSTA_MRL_ST	0x0020	/* MRL Sensor State */
#define  PCI_EXP_SLTSTA_PRES	0x0040	/* Presence Detect State */
#define  PCI_EXP_SLTSTA_INTERLOCK 0x0080 /* Electromechanical Interlock Status */
#define  PCI_EXP_SLTSTA_LLCHG	0x0100	/* Data Link Layer State Changed */
#define PCI_EXP_RTCTL		0x1c	/* Root Control */
#define  PCI_EXP_RTCTL_SECEE	0x0001	/* System Error on Correctable Error */
#define  PCI_EXP_RTCTL_SENFEE	0x0002	/* System Error on Non-Fatal Error */
#define  PCI_EXP_RTCTL_SEFEE	0x0004	/* System Error on Fatal Error */
#define  PCI_EXP_RTCTL_PMEIE	0x0008	/* PME Interrupt Enable */
#define  PCI_EXP_RTCTL_CRSVIS	0x0010	/* Configuration Request Retry Status Visible to SW */
#define PCI_EXP_RTCAP		0x1e	/* Root Capabilities */
#define  PCI_EXP_RTCAP_CRSVIS	0x0001	/* Configuration Request Retry Status Visible to SW */
#define PCI_EXP_RTSTA		0x20	/* Root Status */
#define  PCI_EXP_RTSTA_PME_REQID   0x0000ffff /* PME Requester ID */
#define  PCI_EXP_RTSTA_PME_STATUS  0x00010000 /* PME Status */
#define  PCI_EXP_RTSTA_PME_PENDING 0x00020000 /* PME is Pending */
#define PCI_EXP_DEVCAP2			0x24	/* Device capabilities 2 */
#define  PCI_EXP_DEVCAP2_TIMEOUT_RANGE(x)	((x) & 0xf) /* Completion Timeout Ranges Supported */
#define  PCI_EXP_DEVCAP2_TIMEOUT_DIS	0x0010	/* Completion Timeout Disable Supported */
#define  PCI_EXP_DEVCAP2_ARI		0x0020	/* ARI Forwarding Supported */
#define  PCI_EXP_DEVCAP2_ATOMICOP_ROUTING	0x0040	/* AtomicOp Routing Supported */
#define  PCI_EXP_DEVCAP2_32BIT_ATOMICOP_COMP	0x0080	/* 32bit AtomicOp Completer Supported */
#define  PCI_EXP_DEVCAP2_64BIT_ATOMICOP_COMP	0x0100	/* 64bit AtomicOp Completer Supported */
#define  PCI_EXP_DEVCAP2_128BIT_CAS_COMP	0x0200	/* 128bit CAS Completer Supported */
#define  PCI_EXP_DEVCAP2_NROPRPRP	0x0400 /* No RO-enabled PR-PR Passing */
#define  PCI_EXP_DEVCAP2_LTR		0x0800	/* LTR supported */
#define  PCI_EXP_DEVCAP2_TPH_COMP(x)	(((x) >> 12) & 3) /* TPH Completer Supported */
#define  PCI_EXP_DEVCAP2_LN_CLS(x)	(((x) >> 14) & 3) /* LN System CLS Supported */
#define  PCI_EXP_DEVCAP2_10BIT_TAG_COMP 0x00010000 /* 10 Bit Tag Completer */
#define  PCI_EXP_DEVCAP2_10BIT_TAG_REQ	0x00020000 /* 10 Bit Tag Requester */
#define  PCI_EXP_DEVCAP2_OBFF(x)	(((x) >> 18) & 3) /* OBFF supported */
#define  PCI_EXP_DEVCAP2_EXTFMT		0x00100000 /* Extended Fmt Field Supported */
#define  PCI_EXP_DEVCAP2_EE_TLP		0x00200000 /* End-End TLP Prefix Supported */
#define  PCI_EXP_DEVCAP2_MEE_TLP(x)	(((x) >> 22) & 3) /* Max End-End TLP Prefixes */
#define  PCI_EXP_DEVCAP2_EPR(x)		(((x) >> 24) & 3) /* Emergency Power Reduction Supported */
#define  PCI_EXP_DEVCAP2_EPR_INIT	0x04000000 /* Emergency Power Reduction Initialization Required */
#define  PCI_EXP_DEVCAP2_FRS		0x80000000 /* FRS supported */
#define PCI_EXP_DEVCTL2			0x28	/* Device Control */
#define  PCI_EXP_DEVCTL2_TIMEOUT_VALUE(x)	((x) & 0xf) /* Completion Timeout Value */
#define  PCI_EXP_DEVCTL2_TIMEOUT_DIS	0x0010	/* Completion Timeout Disable */
#define  PCI_EXP_DEVCTL2_ARI		0x0020	/* ARI Forwarding */
#define  PCI_EXP_DEVCTL2_ATOMICOP_REQUESTER_EN	0x0040	/* AtomicOp RequesterEnable */
#define  PCI_EXP_DEVCTL2_ATOMICOP_EGRESS_BLOCK	0x0080	/* AtomicOp Egress Blocking */
#define  PCI_EXP_DEVCTL2_IDO_REQ_EN	0x0100	/* Allow IDO for requests */
#define  PCI_EXP_DEVCTL2_IDO_CMP_EN	0x0200	/* Allow IDO for completions */
#define  PCI_EXP_DEVCTL2_LTR		0x0400	/* LTR enabled */
#define  PCI_EXP_DEVCTL2_EPR_REQ	0x0800	/* Emergency Power Reduction Request */
#define  PCI_EXP_DEVCTL2_10BIT_TAG_REQ	0x1000 /* 10 Bit Tag Requester enabled */
#define  PCI_EXP_DEVCTL2_OBFF(x)		(((x) >> 13) & 3) /* OBFF enabled */
#define  PCI_EXP_DEVCTL2_EE_TLP_BLK	0x8000	/* End-End TLP Prefix Blocking */
#define PCI_EXP_DEVSTA2			0x2a	/* Device Status */
#define PCI_EXP_LNKCAP2			0x2c	/* Link Capabilities */
#define  PCI_EXP_LNKCAP2_SPEED(x)	(((x) >> 1) & 0x7f)
#define  PCI_EXP_LNKCAP2_CROSSLINK	0x00000100 /* Crosslink Supported */
#define  PCI_EXP_LNKCAP2_RETIMER	0x00800000 /* Retimer Supported */
#define  PCI_EXP_LNKCAP2_2RETIMERS	0x01000000 /* 2 Retimers Supported */
#define  PCI_EXP_LNKCAP2_DRS		0x80000000 /* Device Readiness Status */
#define PCI_EXP_LNKCTL2			0x30	/* Link Control */
#define  PCI_EXP_LNKCTL2_SPEED(x)	((x) & 0xf) /* Target Link Speed */
#define  PCI_EXP_LNKCTL2_CMPLNC		0x0010	/* Enter Compliance */
#define  PCI_EXP_LNKCTL2_SPEED_DIS	0x0020	/* Hardware Autonomous Speed Disable */
#define  PCI_EXP_LNKCTL2_DEEMPHASIS(x)	(((x) >> 6) & 1) /* Selectable De-emphasis */
#define  PCI_EXP_LNKCTL2_MARGIN(x)	(((x) >> 7) & 7) /* Transmit Margin */
#define  PCI_EXP_LNKCTL2_MOD_CMPLNC	0x0400	/* Enter Modified Compliance */
#define  PCI_EXP_LNKCTL2_CMPLNC_SOS	0x0800	/* Compliance SOS */
#define  PCI_EXP_LNKCTL2_COM_DEEMPHASIS(x) (((x) >> 12) & 0xf) /* Compliance Preset/De-emphasis */
#define PCI_EXP_LNKSTA2			0x32	/* Link Status */
#define  PCI_EXP_LINKSTA2_DEEMPHASIS(x)	((x) & 1)	/* Current De-emphasis Level */
#define  PCI_EXP_LINKSTA2_EQU_COMP	0x02	/* Equalization Complete */
#define  PCI_EXP_LINKSTA2_EQU_PHASE1	0x04	/* Equalization Phase 1 Successful */
#define  PCI_EXP_LINKSTA2_EQU_PHASE2	0x08	/* Equalization Phase 2 Successful */
#define  PCI_EXP_LINKSTA2_EQU_PHASE3	0x10	/* Equalization Phase 3 Successful */
#define  PCI_EXP_LINKSTA2_EQU_REQ	0x20	/* Link Equalization Request */
#define  PCI_EXP_LINKSTA2_RETIMER	0x0040	/* Retimer Detected */
#define  PCI_EXP_LINKSTA2_2RETIMERS	0x0080	/* 2 Retimers Detected */
#define  PCI_EXP_LINKSTA2_CROSSLINK(x)	(((x) >> 8) & 0x3) /* Crosslink Res */
#define  PCI_EXP_LINKSTA2_COMPONENT(x)	(((x) >> 12) & 0x7) /* Presence */
#define  PCI_EXP_LINKSTA2_DRS_RCVD	0x8000	/* DRS Msg Received */
#define  PCI_EXP_LINKSTA2_FLIT_MODE 0x0400  /* FLIT mode active */
#define PCI_EXP_SLTCAP2			0x34	/* Slot Capabilities */
#define PCI_EXP_SLTCTL2			0x38	/* Slot Control */
#define PCI_EXP_SLTSTA2			0x3a	/* Slot Status */

/* MSI-X */
#define  PCI_MSIX_ENABLE	0x8000
#define  PCI_MSIX_MASK		0x4000
#define  PCI_MSIX_TABSIZE	0x07ff
#define PCI_MSIX_TABLE		4
#define PCI_MSIX_PBA		8
#define  PCI_MSIX_BIR		0x7

/* Subsystem vendor/device ID for PCI bridges */
#define PCI_SSVID_VENDOR	4
#define PCI_SSVID_DEVICE	6

/* PCI Advanced Features */
#define PCI_AF_CAP		3
#define  PCI_AF_CAP_TP		0x01
#define  PCI_AF_CAP_FLR		0x02
#define PCI_AF_CTRL		4
#define  PCI_AF_CTRL_FLR	0x01
#define PCI_AF_STATUS		5
#define  PCI_AF_STATUS_TP	0x01

/* SATA Host Bus Adapter */
#define PCI_SATA_HBA_BARS	4
#define PCI_SATA_HBA_REG0	8

/* Enhanced Allocation (EA) */
#define PCI_EA_CAP_TYPE1_SECONDARY	4
#define PCI_EA_CAP_TYPE1_SUBORDINATE	5
/* EA Entry header */
#define PCI_EA_CAP_ENT_WRITABLE	0x40000000	/* Writable: 1 = RW, 0 = HwInit */
#define PCI_EA_CAP_ENT_ENABLE	0x80000000	/* Enable for this entry */

/*** Definitions of extended capabilities ***/

/* Advanced Error Reporting */
#define PCI_ERR_UNCOR_STATUS	4	/* Uncorrectable Error Status */
#define  PCI_ERR_UNC_TRAIN	0x00000001	/* Undefined in PCIe rev1.1 & 2.0 spec */
#define  PCI_ERR_UNC_DLP	0x00000010	/* Data Link Protocol */
#define  PCI_ERR_UNC_SDES	0x00000020	/* Surprise Down Error */
#define  PCI_ERR_UNC_POISON_TLP	0x00001000	/* Poisoned TLP */
#define  PCI_ERR_UNC_FCP	0x00002000	/* Flow Control Protocol */
#define  PCI_ERR_UNC_COMP_TIME	0x00004000	/* Completion Timeout */
#define  PCI_ERR_UNC_COMP_ABORT	0x00008000	/* Completer Abort */
#define  PCI_ERR_UNC_UNX_COMP	0x00010000	/* Unexpected Completion */
#define  PCI_ERR_UNC_RX_OVER	0x00020000	/* Receiver Overflow */
#define  PCI_ERR_UNC_MALF_TLP	0x00040000	/* Malformed TLP */
#define  PCI_ERR_UNC_ECRC	0x00080000	/* ECRC Error Status */
#define  PCI_ERR_UNC_UNSUP	0x00100000	/* Unsupported Request */
#define  PCI_ERR_UNC_ACS_VIOL	0x00200000	/* ACS Violation */
#define  PCI_ERR_UNC_INTERNAL					0x00400000	/* Uncorrectable Internal Error */
#define  PCI_ERR_UNC_MC_BLOCKED_TLP				0x00800000	/* MC Blocked TLP */
#define  PCI_ERR_UNC_ATOMICOP_EGRESS_BLOCKED	0x01000000	/* AtomicOp Egress Blocked */
#define  PCI_ERR_UNC_TLP_PREFIX_BLOCKED			0x02000000	/* TLP Prefix Blocked Error */
#define  PCI_ERR_UNC_POISONED_TLP_EGRESS		0x04000000	/* Poisoned TLP Egress Blocked */
#define  PCI_ERR_UNC_DMWR_REQ_EGRESS_BLOCKED	0x08000000	/* DMWr Request Egress Blocked */
#define  PCI_ERR_UNC_IDE_CHECK					0x10000000	/* IDE Check Failed */
#define  PCI_ERR_UNC_MISR_IDE_TLP				0x20000000	/* Misrouted IDE TLP */
#define  PCI_ERR_UNC_PCRC_CHECK					0x40000000	/* PCRC Check Failed */
#define  PCI_ERR_UNC_TLP_XLAT_EGRESS_BLOCKED	0x80000000	/* TLP Translation Egress Blocked */
#define PCI_ERR_UNCOR_MASK	8	/* Uncorrectable Error Mask */
	/* Same bits as above */
#define PCI_ERR_UNCOR_SEVER	12	/* Uncorrectable Error Severity */
	/* Same bits as above */
#define PCI_ERR_COR_STATUS	16	/* Correctable Error Status */
#define  PCI_ERR_COR_RCVR	0x00000001	/* Receiver Error Status */
#define  PCI_ERR_COR_BAD_TLP	0x00000040	/* Bad TLP Status */
#define  PCI_ERR_COR_BAD_DLLP	0x00000080	/* Bad DLLP Status */
#define  PCI_ERR_COR_REP_ROLL	0x00000100	/* REPLAY_NUM Rollover */
#define  PCI_ERR_COR_REP_TIMER	0x00001000	/* Replay Timer Timeout */
#define  PCI_ERR_COR_REP_ANFE	0x00002000	/* Advisory Non-Fatal Error */
#define  PCI_ERR_COR_INTERNAL	0x00004000	/* Corrected Internal Error */
#define  PCI_ERR_COR_HDRLOG_OVER	0x00008000	/* Header Log Overflow */
#define PCI_ERR_COR_MASK	20	/* Correctable Error Mask */
	/* Same bits as above */
#define PCI_ERR_CAP		24	/* Advanced Error Capabilities */
#define  PCI_ERR_CAP_FEP(x)	((x) & 31)	/* First Error Pointer */
#define  PCI_ERR_CAP_ECRC_GENC	0x00000020	/* ECRC Generation Capable */
#define  PCI_ERR_CAP_ECRC_GENE	0x00000040	/* ECRC Generation Enable */
#define  PCI_ERR_CAP_ECRC_CHKC	0x00000080	/* ECRC Check Capable */
#define  PCI_ERR_CAP_ECRC_CHKE	0x00000100	/* ECRC Check Enable */
#define  PCI_ERR_CAP_MULT_HDRC	0x00000200	/* Multiple Header Capable */
#define  PCI_ERR_CAP_MULT_HDRE	0x00000400	/* Multiple Header Enable */
#define  PCI_ERR_CAP_TLP_PFX	0x00000800	/* TLP Prefix Log Present */
#define  PCI_ERR_CAP_HDR_LOG	0x00001000	/* Completion Timeout Prefix/Header Log Capable */
#define PCI_ERR_HEADER_LOG	28	/* Header Log Register (16 bytes) */
#define PCI_ERR_ROOT_COMMAND	44	/* Root Error Command */
#define  PCI_ERR_ROOT_CMD_COR_EN	0x00000001 /* Correctable Error Reporting Enable */
#define  PCI_ERR_ROOT_CMD_NONFATAL_EN	0x00000002 /* Non-Fatal Error Reporting Enable*/
#define  PCI_ERR_ROOT_CMD_FATAL_EN	0x00000004 /* Fatal Error Reporting Enable */
#define PCI_ERR_ROOT_STATUS	48	/* Root Error Status */
#define  PCI_ERR_ROOT_COR_RCV		0x00000001 /* ERR_COR Received */
#define  PCI_ERR_ROOT_MULTI_COR_RCV	0x00000002 /* Multiple ERR_COR Received */
#define  PCI_ERR_ROOT_UNCOR_RCV		0x00000004 /* ERR_FATAL/NONFATAL Received */
#define  PCI_ERR_ROOT_MULTI_UNCOR_RCV	0x00000008 /* Multiple ERR_FATAL/NONFATAL Received */
#define  PCI_ERR_ROOT_FIRST_FATAL	0x00000010 /* First Uncorrectable Fatal */
#define  PCI_ERR_ROOT_NONFATAL_RCV	0x00000020 /* Non-Fatal Error Messages Received */
#define  PCI_ERR_ROOT_FATAL_RCV		0x00000040 /* Fatal Error Messages Received */
#define  PCI_ERR_MSG_NUM(x)	(((x) >> 27) & 0x1f) /* MSI/MSI-X vector */
#define PCI_ERR_ROOT_COR_SRC	52
#define PCI_ERR_ROOT_SRC	54

/* Virtual Channel */
#define PCI_VC_PORT_REG1	4
#define PCI_VC_PORT_REG2	8
#define PCI_VC_PORT_CTRL	12
#define PCI_VC_PORT_STATUS	14
#define PCI_VC_RES_CAP		16
#define PCI_VC_RES_CTRL		20
#define PCI_VC_RES_STATUS	26

/* Power Budgeting */
#define PCI_PWR_DSR		4	/* Data Select Register */
#define PCI_PWR_DATA		8	/* Data Register */
#define  PCI_PWR_DATA_BASE(x)	((x) & 0xff)	    /* Base Power */
#define  PCI_PWR_DATA_SCALE(x)	(((x) >> 8) & 3)    /* Data Scale */
#define  PCI_PWR_DATA_PM_SUB(x)	(((x) >> 10) & 7)   /* PM Sub State */
#define  PCI_PWR_DATA_PM_STATE(x) (((x) >> 13) & 3) /* PM State */
#define  PCI_PWR_DATA_TYPE(x)	(((x) >> 15) & 7)   /* Type */
#define  PCI_PWR_DATA_RAIL(x)	(((x) >> 18) & 7)   /* Power Rail */
#define PCI_PWR_CAP		12	/* Capability */
#define  PCI_PWR_CAP_BUDGET(x)	((x) & 1)	/* Included in system budget */

/* Root Complex Link */
#define PCI_RCLINK_ESD		4	/* Element Self Description */
#define PCI_RCLINK_LINK1	16	/* First Link Entry */
#define  PCI_RCLINK_LINK_DESC	0	/* Link Entry: Description */
#define  PCI_RCLINK_LINK_ADDR	8	/* Link Entry: Address (64-bit) */
#define  PCI_RCLINK_LINK_SIZE	16	/* Link Entry: sizeof */

/* Root Complex Event Collector Endpoint Association */
#define  PCI_RCEC_EP_CAP_VER(reg)	(((reg) >> 16) & 0xf)
#define  PCI_RCEC_BUSN_REG_VER	0x02	/* as per PCIe sec 7.9.10.1 */
#define  PCI_RCEC_RCIEP_BMAP	0x0004	/* as per PCIe sec 7.9.10.2 */
#define  PCI_RCEC_BUSN_REG	0x0008	/* as per PCIe sec 7.9.10.3 */

/* PCIe Vendor-Specific Capability */
#define PCI_EVNDR_HEADER	4	/* Vendor-Specific Header */
#define PCI_EVNDR_REGISTERS	8	/* Vendor-Specific Registers */

/* PCIe Designated Vendor-Specific Capability */
#define PCI_DVSEC_HEADER1	4	/* Designated Vendor-Specific Header 1 */
#define PCI_DVSEC_HEADER2	8	/* Designated Vendor-Specific Header 2 */
#define PCI_DVSEC_VENDOR_ID_CXL	0x1e98	/* Designated Vendor-Specific Vendor ID for CXL */
#define PCI_DVSEC_ID_CXL	0	/* Designated Vendor-Specific ID for Intel CXL */

/* PCIe CXL Designated Vendor-Specific Capabilities for Devices: Control, Status */
#define PCI_CXL_DEV_LEN 		0x38	/* CXL Device DVSEC Length for Rev1 */
#define PCI_CXL_DEV_LEN_REV2 		0x3c	/* ... for Rev2 */
#define PCI_CXL_DEV_CAP			0x0a	/* CXL Capability Register */
#define  PCI_CXL_DEV_CAP_CACHE		0x0001	/* CXL.cache Protocol Support */
#define  PCI_CXL_DEV_CAP_IO		0x0002	/* CXL.io Protocol Support */
#define  PCI_CXL_DEV_CAP_MEM		0x0004	/* CXL.mem Protocol Support */
#define  PCI_CXL_DEV_CAP_MEM_HWINIT	0x0008	/* CXL.mem Initializes with HW/FW Support */
#define  PCI_CXL_DEV_CAP_HDM_CNT(x)	(((x) & (3 << 4)) >> 4)	/* CXL Number of HDM ranges */
#define  PCI_CXL_DEV_CAP_VIRAL		0x4000	/* CXL Viral Handling Support */
#define PCI_CXL_DEV_CTRL		0x0c	/* CXL Control Register */
#define  PCI_CXL_DEV_CTRL_CACHE		0x0001	/* CXL.cache Protocol Enable */
#define  PCI_CXL_DEV_CTRL_IO		0x0002	/* CXL.io Protocol Enable */
#define  PCI_CXL_DEV_CTRL_MEM		0x0004	/* CXL.mem Protocol Enable */
#define  PCI_CXL_DEV_CTRL_CACHE_SF_COV(x) (((x) & (0x1f << 3)) >> 3) /* Snoop Filter Coverage */
#define  PCI_CXL_DEV_CTRL_CACHE_SF_GRAN(x) (((x) & (0x7 << 8)) >> 8) /* Snoop Filter Granularity */
#define  PCI_CXL_DEV_CTRL_CACHE_CLN	0x0800	/* CXL.cache Performance Hint on Clean Evictions */
#define  PCI_CXL_DEV_CTRL_VIRAL		0x4000	/* CXL Viral Handling Enable */
#define PCI_CXL_DEV_STATUS		0x0e	/* CXL Status Register */
#define  PCI_CXL_DEV_STATUS_VIRAL	0x4000	/* CXL Viral Handling Status */
#define PCI_CXL_DEV_CTRL2		0x10	/* CXL Control Register 2 */
#define  PCI_CXL_DEV_CTRL2_DISABLE_CACHING            0x0001
#define  PCI_CXL_DEV_CTRL2_INIT_WB_INVAL              0x0002
#define  PCI_CXL_DEV_CTRL2_INIT_CXL_RST               0x0003
#define  PCI_CXL_DEV_CTRL2_INIT_CXL_RST_CLR_EN        0x0004
#define  PCI_CXL_DEV_CTRL2_INIT_CXL_HDM_STATE_HOTRST  0x0005
#define PCI_CXL_DEV_STATUS2		0x12
#define  PCI_CXL_DEV_STATUS_CACHE_INV	0x0001
#define  PCI_CXL_DEV_STATUS_RC		0x0002  /* Device Reset Complete */
#define  PCI_CXL_DEV_STATUS_RE		0x0004  /* Device Reset Error */
#define  PCI_CXL_DEV_STATUS_PMC		0x8000  /* Power Management Init Complete */
#define PCI_CXL_DEV_CAP2		0x16
#define  PCI_CXL_DEV_CAP2_CACHE_UNK	0x0000	/* Cache Size Isn't Reported */
#define  PCI_CXL_DEV_CAP2_CACHE_64K	0x0001  /* Unit Size 64K */
#define  PCI_CXL_DEV_CAP2_CACHE_1M	0x0002  /* Unit Size 1M */
#define PCI_CXL_DEV_RANGE1_SIZE_HI	0x18
#define PCI_CXL_DEV_RANGE1_SIZE_LO	0x1c
#define  PCI_CXL_RANGE_VALID		0x0001
#define  PCI_CXL_RANGE_ACTIVE		0x0002
#define  PCI_CXL_RANGE_TYPE(x)		(((x) >> 2) & 0x7)
#define  PCI_CXL_RANGE_CLASS(x)		(((x) >> 5) & 0x7)
#define  PCI_CXL_RANGE_INTERLEAVE(x)	(((x) >> 8) & 0x1f)
#define  PCI_CXL_RANGE_TIMEOUT(x)	(((x) >> 13) & 0x7)
#define PCI_CXL_DEV_RANGE1_BASE_HI	0x20
#define PCI_CXL_DEV_RANGE1_BASE_LO	0x24
#define PCI_CXL_DEV_RANGE2_SIZE_HI	0x28
#define PCI_CXL_DEV_RANGE2_SIZE_LO	0x2c
#define PCI_CXL_DEV_RANGE2_BASE_HI	0x30
#define PCI_CXL_DEV_RANGE2_BASE_LO	0x34
/* From Rev2 */
#define PCI_CXL_DEV_CAP3  0x38
#define  PCI_CXL_DEV_CAP3_HDM_STATE_RST_COLD     0x0001
#define  PCI_CXL_DEV_CAP3_HDM_STATE_RST_WARM     0x0002
#define  PCI_CXL_DEV_CAP3_HDM_STATE_RST_HOT      0x0003
#define  PCI_CXL_DEV_CAP3_HDM_STATE_RST_HOT_CFG  0x0004


/* PCIe CXL 2.0 Designated Vendor-Specific Capabilities for Ports */
#define PCI_CXL_PORT_EXT_LEN 0x28 /* CXL Extensions DVSEC for Ports Length */
#define PCI_CXL_PORT_EXT_STATUS 0x0a		/* Port Extension Status */
#define  PCI_CXL_PORT_PM_INIT_COMPLETE 0x1	/* Port Power Management Initialization Complete */
#define PCI_CXL_PORT_CTRL 0x0c			/* Port Control Override */
#define  PCI_CXL_PORT_UNMASK_SBR 0x0001		/* Unmask SBR */
#define  PCI_CXL_PORT_UNMASK_LINK 0x0002	/* Unmask Link Disable */
#define  PCI_CXL_PORT_ALT_MEMORY 0x0004		/* Alt Memory and ID Space Enable */
#define  PCI_CXL_PORT_ALT_BME 0x0008		/* Alt BME */
#define  PCI_CXL_PORT_VIRAL_EN 0x4000		/* Viral Enable */
#define PCI_CXL_PORT_ALT_BUS_BASE 0xe
#define PCI_CXL_PORT_ALT_BUS_LIMIT 0xf
#define PCI_CXL_PORT_ALT_MEM_BASE 0x10
#define PCI_CXL_PORT_ALT_MEM_LIMIT 0x12

/* PCIe CXL 2.0 Designated Vendor-Specific Capabilities for Register Locator */
#define PCI_CXL_RL_BLOCK1_LO 0x0c

/* PCIe CXL Designated Vendor-Specific Capabilities for Global Persistent Flush */
#define PCI_CXL_GPF_DEV_LEN         0x10
#define PCI_CXL_GPF_DEV_PHASE2_DUR  0x0a /* GPF Phase 2 Duration Register */
#define PCI_CXL_GPF_DEV_PHASE2_POW  0x0c /* GPF Phase 2 Power Register */
#define PCI_CXL_GPF_DEV_1US     0x0
#define PCI_CXL_GPF_DEV_10US    0x1
#define PCI_CXL_GPF_DEV_100US   0x2
#define PCI_CXL_GPF_DEV_1MS     0x3
#define PCI_CXL_GPF_DEV_10MS    0x4
#define PCI_CXL_GPF_DEV_100MS   0x5
#define PCI_CXL_GPF_DEV_1S      0x6
#define PCI_CXL_GPF_DEV_10S     0x7
#define PCI_CXL_GPF_PORT_LEN    0x10
#define PCI_CXL_GPF_PORT_PHASE1_CTRL  0x0c /* GPF Phase 1 Control Register */
#define PCI_CXL_GPF_PORT_PHASE2_CTRL 0x0e /* GPF Phase 2 Control Register */
#define PCI_CXL_GPF_PORT_1US     0x0
#define PCI_CXL_GPF_PORT_10US    0x1
#define PCI_CXL_GPF_PORT_100US   0x2
#define PCI_CXL_GPF_PORT_1MS     0x3
#define PCI_CXL_GPF_PORT_10MS    0x4
#define PCI_CXL_GPF_PORT_100MS   0x5
#define PCI_CXL_GPF_PORT_1S      0x6
#define PCI_CXL_GPF_PORT_10S     0x7

/* PCIe CXL Designated Vendor-Specific Capabilities for Flex Bus Port */
#define PCI_CXL_FB_LEN                0x20
#define PCI_CXL_FB_PORT_CAP           0x0a    /* CXL Flex Bus Port Capability Register */
#define  PCI_CXL_FB_CAP_CACHE         0x0001  /* CXL.cache Capable */
#define  PCI_CXL_FB_CAP_IO            0x0002  /* CXL.io Capable */
#define  PCI_CXL_FB_CAP_MEM           0x0004  /* CXL.mem Capable */
#define  PCI_CXL_FB_CAP_68B_FLIT      0x0020  /* CXL 68B Flit and VH Capable */
#define  PCI_CXL_FB_CAP_MULT_LOG_DEV  0x0040  /* CXL Multi-Logical Device Capable */
#define  PCI_CXL_FB_CAP_256B_FLIT     0x2000  /* CXL Latency Optimized 256B Flit Capable */
#define  PCI_CXL_FB_CAP_PBR_FLIT      0x4000  /* CXL PBR Flit Capable */
#define PCI_CXL_FB_PORT_CTRL            0x0c    /* CXL Flex Bus Port Control Register */
#define  PCI_CXL_FB_CTRL_CACHE          0x0001  /* CXL.cache Enable */
#define  PCI_CXL_FB_CTRL_IO             0x0002  /* CXL.io Enable */
#define  PCI_CXL_FB_CTRL_MEM            0x0004  /* CXL.mem Enable */
#define  PCI_CXL_FB_CTRL_SYNC_HDR_BYP   0x0008  /* CXL Sync Header Bypass Enable */
#define  PCI_CXL_FB_CTRL_DRFT_BUF       0x0010  /* Drift Buffer Enable */
#define  PCI_CXL_FB_CTRL_68B_FLIT       0x0020  /* CXL 68B Flit and VH Enable */
#define  PCI_CXL_FB_CTRL_MULT_LOG_DEV   0x0040  /* CXL Multi Logical Device Enable */
#define  PCI_CXL_FB_CTRL_RCD            0x0080  /* Disable RCD Training */
#define  PCI_CXL_FB_CTRL_RETIMER1       0x0100  /* Retimer1 Present */
#define  PCI_CXL_FB_CTRL_RETIMER2       0x0200  /* Retimer2 Present */
#define  PCI_CXL_FB_CTRL_256B_FLIT      0x2000  /* CXL Latency Optimized 256B Flit Enable */
#define  PCI_CXL_FB_CTRL_PBR_FLIT       0x4000  /* CXL PBR Flit Enable */
#define PCI_CXL_FB_PORT_STATUS            0x0e    /* CXL Flex Bus Port Status Register */
#define  PCI_CXL_FB_STAT_CACHE            0x0001  /* CXL.cache Enabled */
#define  PCI_CXL_FB_STAT_IO               0x0002  /* CXL.io Enabled */
#define  PCI_CXL_FB_STAT_MEM              0x0004  /* CXL.mem Enabled */
#define  PCI_CXL_FB_STAT_SYNC_HDR_BYP     0x0008  /* CXL Sync Header Bypass Enabled */
#define  PCI_CXL_FB_STAT_DRFT_BUF         0x0010  /* Drift Buffer Enabled */
#define  PCI_CXL_FB_STAT_68B_FLIT         0x0020  /* CXL 68B Flit and VH Enabled */
#define  PCI_CXL_FB_STAT_MULT_LOG_DEV     0x0040  /* CXL Multi Logical Device Enabled */
#define  PCI_CXL_FB_STAT_256B_FLIT        0x2000  /* CXL Latency Optimized 256B Flit Enabled */
#define  PCI_CXL_FB_STAT_PBR_FLIT         0x4000  /* CXL PBR Flit Enabled */
#define PCI_CXL_FB_MOD_TS_DATA              0x10    /* CXL Flex Bus Port Received Modified TS Data Phase1 Register */
#define PCI_CXL_FB_PORT_CAP2                0x14    /* CXL Flex Bus Port Capability2 Register */
#define  PCI_CXL_FB_CAP2_NOP_HINT           0x01    /* NOP Hint Capable */
#define PCI_CXL_FB_PORT_CTRL2               0x18    /* CXL Flex Bus Port Control2 Register */
#define  PCI_CXL_FB_CTRL2_NOP_HINT          0x01    /* NOP Hint Enable */
#define PCI_CXL_FB_PORT_STATUS2             0x1c    /* CXL Flex Bus Port Status2 Register */
#define PCI_CXL_FB_NEXT_UNSUPPORTED         0x20

/* PCIe CXL Designated Vendor-Specific Capabilities for Multi-Logical Device */
#define PCI_CXL_MLD_LEN     0x10
#define PCI_CXL_MLD_NUM_LD  0xa
#define PCI_CXL_MLD_MAX_LD  0x10

/* PCIe CXL Designated Vendor-Specific Capabilities for Non-CXL Function Map */
#define PCI_CXL_FUN_MAP_LEN     0x2c
#define PCI_CXL_FUN_MAP_REG_0   0x0c
#define PCI_CXL_FUN_MAP_REG_1   0x10
#define PCI_CXL_FUN_MAP_REG_2   0x14
#define PCI_CXL_FUN_MAP_REG_3   0x18
#define PCI_CXL_FUN_MAP_REG_4   0x1c
#define PCI_CXL_FUN_MAP_REG_5   0x20
#define PCI_CXL_FUN_MAP_REG_6   0x24
#define PCI_CXL_FUN_MAP_REG_7   0x28

/* Access Control Services */
#define PCI_ACS_CAP		0x04	/* ACS Capability Register */
#define PCI_ACS_CAP_VALID	0x0001	/* ACS Source Validation */
#define PCI_ACS_CAP_BLOCK	0x0002	/* ACS Translation Blocking */
#define PCI_ACS_CAP_REQ_RED	0x0004	/* ACS P2P Request Redirect */
#define PCI_ACS_CAP_CMPLT_RED	0x0008	/* ACS P2P Completion Redirect */
#define PCI_ACS_CAP_FORWARD	0x0010	/* ACS Upstream Forwarding */
#define PCI_ACS_CAP_EGRESS	0x0020	/* ACS P2P Egress Control */
#define PCI_ACS_CAP_TRANS	0x0040	/* ACS Direct Translated P2P */
#define PCI_ACS_CAP_VECTOR(x)	(((x) >> 8) & 0xff) /* Egress Control Vector Size */
#define PCI_ACS_CTRL		0x06	/* ACS Control Register */
#define PCI_ACS_CTRL_VALID	0x0001	/* ACS Source Validation Enable */
#define PCI_ACS_CTRL_BLOCK	0x0002	/* ACS Translation Blocking Enable */
#define PCI_ACS_CTRL_REQ_RED	0x0004	/* ACS P2P Request Redirect Enable */
#define PCI_ACS_CTRL_CMPLT_RED	0x0008	/* ACS P2P Completion Redirect Enable */
#define PCI_ACS_CTRL_FORWARD	0x0010	/* ACS Upstream Forwarding Enable */
#define PCI_ACS_CTRL_EGRESS	0x0020	/* ACS P2P Egress Control Enable */
#define PCI_ACS_CTRL_TRANS	0x0040	/* ACS Direct Translated P2P Enable */
#define PCI_ACS_EGRESS_CTRL	0x08	/* Egress Control Vector */

/* Alternative Routing-ID Interpretation */
#define PCI_ARI_CAP		0x04	/* ARI Capability Register */
#define  PCI_ARI_CAP_MFVC	0x0001	/* MFVC Function Groups Capability */
#define  PCI_ARI_CAP_ACS	0x0002	/* ACS Function Groups Capability */
#define  PCI_ARI_CAP_NFN(x)	(((x) >> 8) & 0xff) /* Next Function Number */
#define PCI_ARI_CTRL		0x06	/* ARI Control Register */
#define  PCI_ARI_CTRL_MFVC	0x0001	/* MFVC Function Groups Enable */
#define  PCI_ARI_CTRL_ACS	0x0002	/* ACS Function Groups Enable */
#define  PCI_ARI_CTRL_FG(x)	(((x) >> 4) & 7) /* Function Group */

/* Address Translation Service */
#define PCI_ATS_CAP		0x04	/* ATS Capability Register */
#define  PCI_ATS_CAP_IQD(x)	((x) & 0x1f) /* Invalidate Queue Depth */
#define PCI_ATS_CTRL		0x06	/* ATS Control Register */
#define  PCI_ATS_CTRL_STU(x)	((x) & 0x1f) /* Smallest Translation Unit */
#define  PCI_ATS_CTRL_ENABLE	0x8000	/* ATS Enable */

/* Single Root I/O Virtualization */
#define PCI_IOV_CAP		0x04	/* SR-IOV Capability Register */
#define  PCI_IOV_CAP_VFM	0x00000001 /* VF Migration Capable */
#define  PCI_IOV_CAP_VF_10BIT_TAG_REQ 0x00000004 /* VF 10-Bit Tag Requester Supported */
#define  PCI_IOV_CAP_IMN(x)	((x) >> 21) /* VF Migration Interrupt Message Number */
#define PCI_IOV_CTRL		0x08	/* SR-IOV Control Register */
#define  PCI_IOV_CTRL_VFE	0x0001	/* VF Enable */
#define  PCI_IOV_CTRL_VFME	0x0002	/* VF Migration Enable */
#define  PCI_IOV_CTRL_VFMIE	0x0004	/* VF Migration Interrupt Enable */
#define  PCI_IOV_CTRL_MSE	0x0008	/* VF MSE */
#define  PCI_IOV_CTRL_ARI	0x0010	/* ARI Capable Hierarchy */
#define  PCI_IOV_CTRL_VF_10BIT_TAG_REQ_EN 0x0020 /* VF 10-Bit Tag Requester Enable */
#define PCI_IOV_STATUS		0x0a	/* SR-IOV Status Register */
#define  PCI_IOV_STATUS_MS	0x0001	/* VF Migration Status */
#define PCI_IOV_INITIALVF	0x0c	/* Number of VFs that are initially associated */
#define PCI_IOV_TOTALVF		0x0e	/* Maximum number of VFs that could be associated */
#define PCI_IOV_NUMVF		0x10	/* Number of VFs that are available */
#define PCI_IOV_FDL		0x12	/* Function Dependency Link */
#define PCI_IOV_OFFSET		0x14	/* First VF Offset */
#define PCI_IOV_STRIDE		0x16	/* Routing ID offset from one VF to the next one */
#define PCI_IOV_DID		0x1a	/* VF Device ID */
#define PCI_IOV_SUPPS		0x1c	/* Supported Page Sizes */
#define PCI_IOV_SYSPS		0x20	/* System Page Size */
#define PCI_IOV_BAR_BASE	0x24	/* VF BAR0, VF BAR1, ... VF BAR5 */
#define PCI_IOV_NUM_BAR		6	/* Number of VF BARs */
#define PCI_IOV_MSAO		0x3c	/* VF Migration State Array Offset */
#define PCI_IOV_MSA_BIR(x)	((x) & 7) /* VF Migration State BIR */
#define PCI_IOV_MSA_OFFSET(x)	((x) & 0xfffffff8) /* VF Migration State Offset */

/* Multicast */
#define PCI_MCAST_CAP		0x04	/* Multicast Capability */
#define  PCI_MCAST_CAP_MAX_GROUP(x) ((x) & 0x3f)
#define  PCI_MCAST_CAP_WIN_SIZE(x) (((x) >> 8) & 0x3f)
#define  PCI_MCAST_CAP_ECRC	0x8000	/* ECRC Regeneration Supported */
#define PCI_MCAST_CTRL		0x06	/* Multicast Control */
#define  PCI_MCAST_CTRL_NUM_GROUP(x) ((x) & 0x3f)
#define  PCI_MCAST_CTRL_ENABLE	0x8000	/* MC Enabled */
#define PCI_MCAST_BAR		0x08	/* Base Address */
#define  PCI_MCAST_BAR_INDEX_POS(x)	((u32) ((x) & 0x3f))
#define  PCI_MCAST_BAR_MASK	(~0xfffUL)
#define PCI_MCAST_RCV		0x10	/* Receive */
#define PCI_MCAST_BLOCK		0x18	/* Block All */
#define PCI_MCAST_BLOCK_UNTRANS	0x20	/* Block Untranslated */
#define PCI_MCAST_OVL_BAR	0x28	/* Overlay BAR */
#define  PCI_MCAST_OVL_SIZE(x)	((u32) ((x) & 0x3f))
#define  PCI_MCAST_OVL_MASK	(~0x3fUL)

/* Page Request Interface */
#define PCI_PRI_CTRL		0x04	/* PRI Control Register */
#define  PCI_PRI_CTRL_ENABLE	0x01	/* Enable */
#define  PCI_PRI_CTRL_RESET	0x02	/* Reset */
#define PCI_PRI_STATUS		0x06	/* PRI status register */
#define  PCI_PRI_STATUS_RF	0x0001	/* Response Failure */
#define  PCI_PRI_STATUS_UPRGI	0x0002	/* Unexpected PRG index */
#define  PCI_PRI_STATUS_STOPPED	0x0100	/* PRI Stopped */
#define  PCI_PRI_STATUS_PASID	0x8000	/* PASID required in PRG response */
#define PCI_PRI_MAX_REQ		0x08	/* PRI max reqs supported */
#define PCI_PRI_ALLOC_REQ	0x0c	/* PRI max reqs allowed */

/* Transaction Processing Hints */
#define PCI_TPH_CAPABILITIES	4
#define   PCI_TPH_INTVEC_SUP	(1<<1)	/* Supports interrupt vector mode */
#define   PCI_TPH_DEV_SUP      	(1<<2)	/* Device specific mode supported */
#define   PCI_TPH_EXT_REQ_SUP	(1<<8)	/* Supports extended requests */
#define   PCI_TPH_ST_LOC_MASK	(3<<9)	/* Steering table location bits */
#define     PCI_TPH_ST_NONE	(0<<9)	/* No steering table */
#define     PCI_TPH_ST_CAP	(1<<9)	/* Steering table in TPH cap */
#define     PCI_TPH_ST_MSIX	(2<<9)	/* Steering table in MSI-X table */
#define   PCI_TPH_ST_SIZE_SHIFT	(16)	/* Encoded as size - 1 */

/* Latency Tolerance Reporting */
#define PCI_LTR_MAX_SNOOP	4	/* 16 bit value */
#define   PCI_LTR_VALUE_MASK	(0x3ff)
#define   PCI_LTR_SCALE_SHIFT	(10)
#define   PCI_LTR_SCALE_MASK	(7)
#define PCI_LTR_MAX_NOSNOOP	6	/* 16 bit value */

/* Secondary PCI Express Extended Capability */
#define PCI_SEC_LNKCTL3		4	/* Link Control 3 register */
#define  PCI_SEC_LNKCTL3_PERFORM_LINK_EQU	0x01
#define  PCI_SEC_LNKCTL3_LNK_EQU_REQ_INTR_EN	0x02
#define  PCI_SEC_LNKCTL3_ENBL_LOWER_SKP_OS_GEN_VEC(x) ((x >> 8) & 0x7F)
#define PCI_SEC_LANE_ERR	8	/* Lane Error status register */
#define PCI_SEC_LANE_EQU_CTRL	12	/* Lane Equalization control register */

/* Physical Layer 16 GT/s Extended Capability */
#define PCI_16GT_CAP		0x04	/* 16 GT/s Capabilities Register */
#define PCI_16GT_CTL		0x08	/* 16 GT/s Control Register */
#define PCI_16GT_STATUS		0x0C	/* 16 GT/s Status Register */
#define  PCI_16GT_STATUS_EQU_COMP	0x0001	/* Equalization 16 GT/s Complete */
#define  PCI_16GT_STATUS_EQU_PHASE1	0x0002	/* Equalization 16 GT/s Phase 1 Successful */
#define  PCI_16GT_STATUS_EQU_PHASE2	0x0004	/* Equalization 16 GT/s Phase 2 Successful */
#define  PCI_16GT_STATUS_EQU_PHASE3	0x0008	/* Equalization 16 GT/s Phase 3 Successful */
#define  PCI_16GT_STATUS_EQU_REQ	0x0010	/* Link Equalization Request 16 GT/s */
#define PCI_16GT_LDPM		0x10	/* 16 GT/s Local Data Parity Mismatch Status Register */
#define PCI_16GT_FRDPM		0x14	/* 16 GT/s First Retimer Data Parity Mismatch Status Register */
#define PCI_16GT_SRDPM		0x18	/* 16 GT/s Second Retimer Data Parity Mismatch Status Register */

/* Physical Layer 32 GT/s Extended Capability */
#define PCI_32GT_CAP		0x04	/* 32 GT/s Capabilities Register */
#define  PCI_32GT_CAP_EQU_BYPASS	0x0001	/* Equalization bypass to highest rate Supported */
#define  PCI_32GT_CAP_NO_EQU_NEEDED	0x0002	/* No Equalization Needed Supported */
#define  PCI_32GT_CAP_MOD_TS_MODE_0	0x0100	/* Modified TS Usage Mode 0 Supported - PCI Express */
#define  PCI_32GT_CAP_MOD_TS_MODE_1	0x0200	/* Modified TS Usage Mode 1 Supported - Training Set Message */
#define  PCI_32GT_CAP_MOD_TS_MODE_2	0x0400	/* Modified TS Usage Mode 2 Supported - Alternate Protocol */
#define PCI_32GT_CTL		0x08	/* 32 GT/s Control Register */
#define  PCI_32GT_CTL_EQU_BYPASS_DIS	0x1	/* Equalization bypass to highest rate Disable */
#define  PCI_32GT_CTL_NO_EQU_NEEDED_DIS	0x2	/* No Equalization Needed Disable */
#define  PCI_32GT_CTL_MOD_TS_MODE(x) (((x) >> 8) & 0x7)	/* Modified TS Usage Mode Selected */
#define PCI_32GT_STATUS		0x0C	/* 32 GT/s Status Register */
#define  PCI_32GT_STATUS_EQU_COMP	0x0001	/* Equalization 32 GT/s Complete */
#define  PCI_32GT_STATUS_EQU_PHASE1	0x0002	/* Equalization 32 GT/s Phase 1 Successful */
#define  PCI_32GT_STATUS_EQU_PHASE2	0x0004	/* Equalization 32 GT/s Phase 2 Successful */
#define  PCI_32GT_STATUS_EQU_PHASE3	0x0008	/* Equalization 32 GT/s Phase 3 Successful */
#define  PCI_32GT_STATUS_EQU_REQ	0x0010	/* Link Equalization Request 32 GT/s */
#define  PCI_32GT_STATUS_MOD_TS		0x0020	/* Modified TS Received */
#define  PCI_32GT_STATUS_RCV_ENH_LINK(x) (((x) >> 6) & 0x3)	/* Received Enhanced Link Behavior Control */
#define  PCI_32GT_STATUS_TX_PRE_ON	0x0100	/* Transmitter Precoding On */
#define  PCI_32GT_STATUS_TX_PRE_REQ	0x0200	/* Transmitter Precoding Request */
#define  PCI_32GT_STATUS_NO_EQU 	0x0400	/* No Equalization Needed Received */
#define PCI_32GT_RXMODTS1	0x10	/* Received Modified TS Data 1 Register */
#define PCI_32GT_RXMODTS2	0x14	/* Received Modified TS Data 2 Register */
#define PCI_32GT_TXMODTS1	0x18	/* Transmitted Modified TS Data 1 Register */
#define PCI_32GT_TXMODTS2	0x1C	/* Transmitted Modified TS Data 2 Register */

/* Physical Layer 64 GT/s Extended Capability */
#define PCI_64GT_CAP		0x04	/* 64 GT/s Capabilities Register */
#define PCI_64GT_CTL		0x08	/* 64 GT/s Control Register */
#define PCI_64GT_STATUS		0x0C	/* 64 GT/s Status Register */
#define  PCI_64GT_STATUS_EQU_COMP	0x0001	/* Equalization 64 GT/s Complete */
#define  PCI_64GT_STATUS_EQU_PHASE1	0x0002	/* Equalization 64 GT/s Phase 1 Successful */
#define  PCI_64GT_STATUS_EQU_PHASE2	0x0004	/* Equalization 64 GT/s Phase 2 Successful */
#define  PCI_64GT_STATUS_EQU_PHASE3	0x0008	/* Equalization 64 GT/s Phase 3 Successful */
#define  PCI_64GT_STATUS_EQU_REQ	0x0010	/* Link Equalization Request 64 GT/s */
#define  PCI_64GT_STATUS_TX_PRE_ON	0x0020	/* Transmitter Precoding On */
#define  PCI_64GT_STATUS_TX_PRE_REQ	0x0040	/* Transmitter Precoding Request */
#define  PCI_64GT_STATUS_NO_EQU 	0x0080	/* No Equalization Needed Received */

/* Process Address Space ID */
#define PCI_PASID_CAP		0x04	/* PASID feature register */
#define  PCI_PASID_CAP_EXEC	0x02	/* Exec permissions Supported */
#define  PCI_PASID_CAP_PRIV	0x04	/* Privilege Mode Supported */
#define  PCI_PASID_CAP_WIDTH(x) (((x) >> 8) & 0x1f) /* Max PASID Width */
#define PCI_PASID_CTRL		0x06	/* PASID control register */
#define  PCI_PASID_CTRL_ENABLE	0x01	/* Enable bit */
#define  PCI_PASID_CTRL_EXEC	0x02	/* Exec permissions Enable */
#define  PCI_PASID_CTRL_PRIV	0x04	/* Privilege Mode Enable */

#define PCI_DPC_CAP		4	/* DPC Capability */
#define  PCI_DPC_CAP_INT_MSG(x) ((x) & 0x1f)	/* DPC Interrupt Message Number */
#define  PCI_DPC_CAP_RP_EXT	0x20		/* DPC Root Port Extensions */
#define  PCI_DPC_CAP_TLP_BLOCK	0x40		/* DPC Poisoned TLP Egress Blocking */
#define  PCI_DPC_CAP_SW_TRIGGER	0x80		/* DPC Software Trigger */
#define  PCI_DPC_CAP_RP_LOG(x)	(((x) >> 8) & 0xf) /* DPC RP PIO Log Size */
#define  PCI_DPC_CAP_DL_ACT_ERR	0x1000		/* DPC DL_Active ERR_COR Signal */
#define PCI_DPC_CTL		6	/* DPC Control */
#define  PCI_DPC_CTL_TRIGGER(x) ((x) & 0x3)	/* DPC Trigger Enable */
#define  PCI_DPC_CTL_CMPL	0x4		/* DPC Completion Control */
#define  PCI_DPC_CTL_INT	0x8		/* DPC Interrupt Enabled */
#define  PCI_DPC_CTL_ERR_COR	0x10		/* DPC ERR_COR Enabled */
#define  PCI_DPC_CTL_TLP	0x20		/* DPC Poisoned TLP Egress Blocking Enabled */
#define  PCI_DPC_CTL_SW_TRIGGER	0x40		/* DPC Software Trigger */
#define  PCI_DPC_CTL_DL_ACTIVE	0x80		/* DPC DL_Active ERR_COR Enable */
#define PCI_DPC_STATUS		8	/* DPC STATUS */
#define  PCI_DPC_STS_TRIGGER	0x01		/* DPC Trigger Status */
#define  PCI_DPC_STS_REASON(x) (((x) >> 1) & 0x3) /* DPC Trigger Reason */
#define  PCI_DPC_STS_INT	0x08		/* DPC Interrupt Status */
#define  PCI_DPC_STS_RP_BUSY	0x10		/* DPC Root Port Busy */
#define  PCI_DPC_STS_TRIGGER_EXT(x) (((x) >> 5) & 0x3) /* Trigger Reason Extension */
#define  PCI_DPC_STS_PIO_FEP(x) (((x) >> 8) & 0x1f) /* DPC PIO First Error Pointer */
#define PCI_DPC_SOURCE		10	/* DPC Source ID */

/* L1 PM Substates Extended Capability */
#define PCI_L1PM_SUBSTAT_CAP	0x4	/* L1 PM Substate Capability */
#define  PCI_L1PM_SUBSTAT_CAP_PM_L12	0x1	/* PCI-PM L1.2 Supported */
#define  PCI_L1PM_SUBSTAT_CAP_PM_L11	0x2	/* PCI-PM L1.1 Supported */
#define  PCI_L1PM_SUBSTAT_CAP_ASPM_L12	0x4	/* ASPM L1.2 Supported */
#define  PCI_L1PM_SUBSTAT_CAP_ASPM_L11	0x8	/* ASPM L1.1 Supported */
#define  PCI_L1PM_SUBSTAT_CAP_L1PM_SUPP	0x10	/* L1 PM Substates supported */
#define PCI_L1PM_SUBSTAT_CTL1	0x8	/* L1 PM Substate Control 1 */
#define  PCI_L1PM_SUBSTAT_CTL1_PM_L12	0x1	/* PCI-PM L1.2 Enable */
#define  PCI_L1PM_SUBSTAT_CTL1_PM_L11	0x2	/* PCI-PM L1.1 Enable */
#define  PCI_L1PM_SUBSTAT_CTL1_ASPM_L12	0x4	/* ASPM L1.2 Enable */
#define  PCI_L1PM_SUBSTAT_CTL1_ASPM_L11	0x8	/* ASPM L1.1 Enable */
#define PCI_L1PM_SUBSTAT_CTL2	0xC	/* L1 PM Substate Control 2 */

/* Data Object Exchange Extended Capability */
#define PCI_DOE_CAP		0x4	/* DOE Capabilities Register */
#define  PCI_DOE_CAP_INT_SUPP		0x1	/* Interrupt Support */
#define  PCI_DOE_CAP_INT_MSG(x) (((x) >> 1) & 0x7ff) /* DOE Interrupt Message Number */
#define PCI_DOE_CTL		0x8	/* DOE Control Register */
#define  PCI_DOE_CTL_ABORT		0x1	/* DOE Abort */
#define  PCI_DOE_CTL_INT		0x2	/* DOE Interrupt Enable */
#define  PCI_DOE_CTL_GO			0x80000000 /* DOE Go */
#define PCI_DOE_STS		0xC	/* DOE Status Register */
#define  PCI_DOE_STS_BUSY		0x1	/* DOE Busy */
#define  PCI_DOE_STS_INT		0x2	/* DOE Interrupt Status */
#define  PCI_DOE_STS_ERROR		0x4	/* DOE Error */
#define  PCI_DOE_STS_OBJECT_READY	0x80000000 /* Data Object Ready */

/* Lane Margining at the Receiver Extended Capability */
#define PCI_LMR_CAPS			0x4 /* Margining Port Capabilities Register */
#define PCI_LMR_CAPS_DRVR		0x1 /* Margining uses Driver Software */
#define PCI_LMR_PORT_STS		0x6 /* Margining Port Status Register */
#define PCI_LMR_PORT_STS_READY		0x1 /* Margining Ready */
#define PCI_LMR_PORT_STS_SOFT_READY	0x2 /* Margining Software Ready */

/* Device 3 Extended Capability */
#define PCI_DEV3_DEVCAP3		0x04	/* Device Capabilities 3 */
#define  PCI_DEV3_DEVCAP3_DMWR_REQ	0x0001	/* DMWr Request Routing Supported */
#define  PCI_DEV3_DEVCAP3_14BIT_TAG_COMP	0x0002	/* 14-Bit Tag Completer Supported */
#define  PCI_DEV3_DEVCAP3_14BIT_TAG_REQ	0x0004	/* 14-Bit Tag Requester Supported */
#define  PCI_DEV3_DEVCAP3_L0P_SUPP	0x0008	/* L0p Supported */
#define  PCI_DEV3_DEVCAP3_PORT_L0P_EXIT(x)	(((x) >> 4) & 0x7) /* Port L0p Exit Latency */
#define  PCI_DEV3_DEVCAP3_RETIMER_L0P_EXIT(x)	(((x) >> 7) & 0x7) /* Retimer L0p Exit Latency */
#define  PCI_DEV3_DEVCAP3_UIO_MEM_RDWR_COMP	0x0400	/* UIO Mem RdWr Completer Supported */
#define  PCI_DEV3_DEVCAP3_UIO_MEM_RDWR_REQ	0x0800	/* UIO Mem RdWr Requester Supported */

#define PCI_DEV3_DEVCTL3		0x08	/* Device Control 3 */
#define  PCI_DEV3_DEVCTL3_DMWR_REQ_EN	0x0001	/* DMWr Requester Enable */
#define  PCI_DEV3_DEVCTL3_DMWR_EGRESS_BLK	0x0002	/* DMWr Egress Blocking */
#define  PCI_DEV3_DEVCTL3_14BIT_TAG_REQ_EN	0x0004	/* 14-Bit Tag Requester Enable */
#define  PCI_DEV3_DEVCTL3_L0P_EN	0x0008	/* L0p Enable */
#define  PCI_DEV3_DEVCTL3_TARGET_LINK_WIDTH(x)	(((x) >> 4) & 0x7) /* Target Link Width */
#define  PCI_DEV3_DEVCTL3_UIO_MEM_RDWR_REQ_EN	0x0080	/* UIO Mem RdWr Requester Enable */
#define  PCI_DEV3_DEVCTL3_UIO_REQ_256B_DIS	0x0100	/* UIO Request 256B Boundary Disable */

#define PCI_DEV3_DEVSTA3		0x0C	/* Device Status 3 */
#define  PCI_DEV3_DEVSTA3_INIT_LINK_WIDTH(x)	((x) & 0x7) /* Initial Link Width */
#define  PCI_DEV3_DEVSTA3_SEGMENT_CAPTURED	0x0008	/* Segment Captured */
#define  PCI_DEV3_DEVSTA3_REMOTE_L0P_SUPP	0x0010	/* Remote L0p Supported */

/* Integrity and Data Encryption Extended Capability */
#define PCI_IDE_CAP		0x4
#define  PCI_IDE_CAP_LINK_IDE_SUPP	0x1	/* Link IDE Stream Supported */
#define  PCI_IDE_CAP_SELECTIVE_IDE_SUPP 0x2	/* Selective IDE Streams Supported */
#define  PCI_IDE_CAP_FLOWTHROUGH_IDE_SUPP 0x4	/* Flow-Through IDE Stream Supported */
#define  PCI_IDE_CAP_PARTIAL_HEADER_ENC_SUPP 0x8 /* Partial Header Encryption Supported */
#define  PCI_IDE_CAP_AGGREGATION_SUPP	0x10	/* Aggregation Supported */
#define  PCI_IDE_CAP_PCRC_SUPP		0x20	/* PCRC Supported */
#define  PCI_IDE_CAP_IDE_KM_SUPP	0x40	/* IDE_KM Protocol Supported */
#define  PCI_IDE_CAP_ALG(x)	(((x) >> 8) & 0x1f) /* Supported Algorithms */
#define  PCI_IDE_CAP_ALG_AES_GCM_256	0	/* AES-GCM 256 key size, 96b MAC */
#define  PCI_IDE_CAP_LINK_TC_NUM(x)		(((x) >> 13) & 0x7) /* Number of TCs Supported for Link IDE */
#define  PCI_IDE_CAP_SELECTIVE_STREAMS_NUM(x)	(((x) >> 16) & 0xff) /* Number of Selective IDE Streams Supported */
#define  PCI_IDE_CAP_TEE_LIMITED_SUPP   0x1000000 /* TEE-Limited Stream Supported */
#define PCI_IDE_CTL		0x8
#define  PCI_IDE_CTL_FLOWTHROUGH_IDE	0x4	/* Flow-Through IDE Stream Enabled */
#define PCI_IDE_LINK_STREAM		0xC
/* Link IDE Stream block, up to PCI_IDE_CAP_LINK_TC_NUM */
/* Link IDE Stream Control Register */
#define  PCI_IDE_LINK_CTL_EN		0x1	/* Link IDE Stream Enable */
#define  PCI_IDE_LINK_CTL_TX_AGGR_NPR(x)(((x) >> 2) & 0x3) /* Tx Aggregation Mode NPR */
#define  PCI_IDE_LINK_CTL_TX_AGGR_PR(x)	(((x) >> 4) & 0x3) /* Tx Aggregation Mode PR */
#define  PCI_IDE_LINK_CTL_TX_AGGR_CPL(x)(((x) >> 6) & 0x3) /* Tx Aggregation Mode CPL */
#define  PCI_IDE_LINK_CTL_PCRC_EN	0x100	/* PCRC Enable */
#define  PCI_IDE_LINK_CTL_PART_ENC(x)	(((x) >> 10) & 0xf)  /* Partial Header Encryption Mode */
#define  PCI_IDE_LINK_CTL_ALG(x)	(((x) >> 14) & 0x1f) /* Selected Algorithm */
#define  PCI_IDE_LINK_CTL_TC(x)		(((x) >> 19) & 0x7)  /* Traffic Class */
#define  PCI_IDE_LINK_CTL_ID(x)		(((x) >> 24) & 0xff) /* Stream ID */
/* Link IDE Stream Status Register */
#define  PCI_IDE_LINK_STS_STATUS(x)	((x) & 0xf) /* Link IDE Stream State */
#define  PCI_IDE_LINK_STS_RECVD_INTEGRITY_CHECK	0x80000000 /* Received Integrity Check Fail Message */
/* Selective IDE Stream block, up to PCI_IDE_CAP_SELECTIVE_STREAMS_NUM */
/* Selective IDE Stream Capability Register */
#define  PCI_IDE_SEL_CAP_BLOCKS_NUM(x)	((x) & 0xf) /* Number of Address Association Register Blocks */
/* Selective IDE Stream Control Register */
#define  PCI_IDE_SEL_CTL_EN		0x1	/* Selective IDE Stream Enable */
#define  PCI_IDE_SEL_CTL_TX_AGGR_NPR(x)	(((x) >> 2) & 0x3) /* Tx Aggregation Mode NPR */
#define  PCI_IDE_SEL_CTL_TX_AGGR_PR(x)	(((x) >> 4) & 0x3) /* Tx Aggregation Mode PR */
#define  PCI_IDE_SEL_CTL_TX_AGGR_CPL(x)	(((x) >> 6) & 0x3) /* Tx Aggregation Mode CPL */
#define  PCI_IDE_SEL_CTL_PCRC_EN	0x100	/* PCRC Enable */
#define  PCI_IDE_SEL_CTL_CFG_EN         0x200   /* Selective IDE for Configuration Requests Enable */
#define  PCI_IDE_SEL_CTL_PART_ENC(x)	(((x) >> 10) & 0xf)  /* Partial Header Encryption Mode */
#define  PCI_IDE_SEL_CTL_ALG(x)		(((x) >> 14) & 0x1f) /* Selected Algorithm */
#define  PCI_IDE_SEL_CTL_TC(x)		(((x) >> 19) & 0x7)  /* Traffic Class */
#define  PCI_IDE_SEL_CTL_DEFAULT	0x400000 /* Default Stream */
#define  PCI_IDE_SEL_CTL_ID(x)		(((x) >> 24) & 0xff) /* Stream ID */
/* Selective IDE Stream Status Register */
#define  PCI_IDE_SEL_STS_STATUS(x)	((x) & 0xf) /* Selective IDE Stream State */
#define  PCI_IDE_SEL_STS_RECVD_INTEGRITY_CHECK	0x80000000 /* Received Integrity Check Fail Message */
/* IDE RID Association Register 1 */
#define  PCI_IDE_SEL_RID_1_LIMIT(x)	(((x) >> 8) & 0xffff) /* RID Limit */
/* IDE RID Association Register 2 */
#define  PCI_IDE_SEL_RID_2_VALID	0x1	/* Valid */
#define  PCI_IDE_SEL_RID_2_BASE(x)	(((x) >> 8) & 0xffff) /* RID Base */
#define  PCI_IDE_SEL_RID_2_SEG_BASE(x)	(((x) >> 24) & 0xff) /* Segmeng Base */
/* Selective IDE Address Association Register Block, up to PCI_IDE_SEL_CAP_BLOCKS_NUM */
#define  PCI_IDE_SEL_ADDR_1_VALID	0x1	/* Valid */
#define  PCI_IDE_SEL_ADDR_1_BASE_LOW(x)	(((x) >> 8) & 0xfff) /* Memory Base Lower */
#define  PCI_IDE_SEL_ADDR_1_LIMIT_LOW(x)(((x) >> 20) & 0xfff) /* Memory Limit Lower */
/* IDE Address Association Register 2 is "Memory Limit Upper" */
/* IDE Address Association Register 3 is "Memory Base Upper" */

/*
 * The PCI interface treats multi-function devices as independent
 * devices.  The slot/function address of each device is encoded
 * in a single byte as follows:
 *
 *	7:3 = slot
 *	2:0 = function
 */
#define PCI_DEVFN(slot,func)	((((slot) & 0x1f) << 3) | ((func) & 0x07))
#define PCI_SLOT(devfn)		(((devfn) >> 3) & 0x1f)
#define PCI_FUNC(devfn)		((devfn) & 0x07)

/* Device classes and subclasses */

#define PCI_CLASS_NOT_DEFINED		0x0000
#define PCI_CLASS_NOT_DEFINED_VGA	0x0001

#define PCI_BASE_CLASS_STORAGE		0x01
#define PCI_CLASS_STORAGE_SCSI		0x0100
#define PCI_CLASS_STORAGE_IDE		0x0101
#define PCI_CLASS_STORAGE_FLOPPY	0x0102
#define PCI_CLASS_STORAGE_IPI		0x0103
#define PCI_CLASS_STORAGE_RAID		0x0104
#define PCI_CLASS_STORAGE_ATA		0x0105
#define PCI_CLASS_STORAGE_SATA		0x0106
#define PCI_CLASS_STORAGE_SAS		0x0107
#define PCI_CLASS_STORAGE_NVM		0x0108
#define PCI_CLASS_STORAGE_UFS		0x0109
#define PCI_CLASS_STORAGE_OTHER		0x0180

#define PCI_BASE_CLASS_NETWORK		0x02
#define PCI_CLASS_NETWORK_ETHERNET	0x0200
#define PCI_CLASS_NETWORK_TOKEN_RING	0x0201
#define PCI_CLASS_NETWORK_FDDI		0x0202
#define PCI_CLASS_NETWORK_ATM		0x0203
#define PCI_CLASS_NETWORK_ISDN		0x0204
#define PCI_CLASS_NETWORK_WORLDFLIP	0x0205
#define PCI_CLASS_NETWORK_PICMG		0x0206
#define PCI_CLASS_NETWORK_INFINIBAND	0x0207
#define PCI_CLASS_NETWORK_FABRIC	0x0208
#define PCI_CLASS_NETWORK_OTHER		0x0280

#define PCI_BASE_CLASS_DISPLAY		0x03
#define PCI_CLASS_DISPLAY_VGA		0x0300
#define PCI_CLASS_DISPLAY_XGA		0x0301
#define PCI_CLASS_DISPLAY_3D		0x0302
#define PCI_CLASS_DISPLAY_OTHER		0x0380

#define PCI_BASE_CLASS_MULTIMEDIA	0x04
#define PCI_CLASS_MULTIMEDIA_VIDEO	0x0400
#define PCI_CLASS_MULTIMEDIA_AUDIO	0x0401
#define PCI_CLASS_MULTIMEDIA_PHONE	0x0402
#define PCI_CLASS_MULTIMEDIA_AUDIO_DEV	0x0403
#define PCI_CLASS_MULTIMEDIA_OTHER	0x0480

#define PCI_BASE_CLASS_MEMORY		0x05
#define  PCI_CLASS_MEMORY_RAM		0x0500
#define  PCI_CLASS_MEMORY_FLASH		0x0501
#define  PCI_CLASS_MEMORY_OTHER		0x0580

#define PCI_BASE_CLASS_BRIDGE		0x06
#define  PCI_CLASS_BRIDGE_HOST		0x0600
#define  PCI_CLASS_BRIDGE_ISA		0x0601
#define  PCI_CLASS_BRIDGE_EISA		0x0602
#define  PCI_CLASS_BRIDGE_MC		0x0603
#define  PCI_CLASS_BRIDGE_PCI		0x0604
#define  PCI_CLASS_BRIDGE_PCMCIA	0x0605
#define  PCI_CLASS_BRIDGE_NUBUS		0x0606
#define  PCI_CLASS_BRIDGE_CARDBUS	0x0607
#define  PCI_CLASS_BRIDGE_RACEWAY	0x0608
#define  PCI_CLASS_BRIDGE_PCI_SEMI	0x0609
#define  PCI_CLASS_BRIDGE_IB_TO_PCI	0x060a
#define  PCI_CLASS_BRIDGE_ADV_SWITCHING	0x060b
#define  PCI_CLASS_BRIDGE_OTHER		0x0680

#define PCI_BASE_CLASS_COMMUNICATION	0x07
#define PCI_CLASS_COMMUNICATION_SERIAL	0x0700
#define PCI_CLASS_COMMUNICATION_PARALLEL 0x0701
#define PCI_CLASS_COMMUNICATION_MSERIAL	0x0702
#define PCI_CLASS_COMMUNICATION_MODEM	0x0703
#define PCI_CLASS_COMMUNICATION_GPIB	0x0704
#define PCI_CLASS_COMMUNICATION_SMARTCARD 0x0705
#define PCI_CLASS_COMMUNICATION_OTHER	0x0780

#define PCI_BASE_CLASS_SYSTEM		0x08
#define PCI_CLASS_SYSTEM_PIC		0x0800
#define PCI_CLASS_SYSTEM_DMA		0x0801
#define PCI_CLASS_SYSTEM_TIMER		0x0802
#define PCI_CLASS_SYSTEM_RTC		0x0803
#define PCI_CLASS_SYSTEM_PCI_HOTPLUG	0x0804
#define PCI_CLASS_SYSTEM_SD_HOST	0x0805
#define PCI_CLASS_SYSTEM_IOMMU		0x0806
#define PCI_CLASS_SYSTEM_ROOT_EVENT_COLL	0x0807
#define PCI_CLASS_SYSTEM_TIME_CARD	0x0808
#define PCI_CLASS_SYSTEM_OTHER		0x0880
#define PCI_CLASS_SYSTEM_TIMING_CARD	0x0899	// Experimental use before official PCI SIG allocation

#define PCI_BASE_CLASS_INPUT		0x09
#define PCI_CLASS_INPUT_KEYBOARD	0x0900
#define PCI_CLASS_INPUT_PEN		0x0901
#define PCI_CLASS_INPUT_MOUSE		0x0902
#define PCI_CLASS_INPUT_SCANNER		0x0903
#define PCI_CLASS_INPUT_GAMEPORT	0x0904
#define PCI_CLASS_INPUT_OTHER		0x0980

#define PCI_BASE_CLASS_DOCKING		0x0a
#define PCI_CLASS_DOCKING_GENERIC	0x0a00
#define PCI_CLASS_DOCKING_OTHER		0x0a80

#define PCI_BASE_CLASS_PROCESSOR	0x0b
#define PCI_CLASS_PROCESSOR_386		0x0b00
#define PCI_CLASS_PROCESSOR_486		0x0b01
#define PCI_CLASS_PROCESSOR_PENTIUM	0x0b02
#define PCI_CLASS_PROCESSOR_ALPHA	0x0b10
#define PCI_CLASS_PROCESSOR_POWERPC	0x0b20
#define PCI_CLASS_PROCESSOR_MIPS	0x0b30
#define PCI_CLASS_PROCESSOR_CO		0x0b40
#define PCI_CLASS_PROCESSOR_OTHER	0x0b80

#define PCI_BASE_CLASS_SERIAL		0x0c
#define PCI_CLASS_SERIAL_FIREWIRE	0x0c00
#define PCI_CLASS_SERIAL_ACCESS		0x0c01
#define PCI_CLASS_SERIAL_SSA		0x0c02
#define PCI_CLASS_SERIAL_USB		0x0c03
#define PCI_CLASS_SERIAL_FIBER		0x0c04
#define PCI_CLASS_SERIAL_SMBUS		0x0c05
#define PCI_CLASS_SERIAL_INFINIBAND	0x0c06
#define PCI_CLASS_SERIAL_IPMI		0x0c07
#define PCI_CLASS_SERIAL_SERCOS		0x0c08
#define PCI_CLASS_SERIAL_CANBUS		0x0c09
#define PCI_CLASS_SERIAL_MIPS_I3C	0x0c0a
#define PCI_CLASS_SERIAL_CXL_FMHI	0x0c0b
#define PCI_CLASS_SERIAL_MMBI		0x0c0c
#define PCI_CLASS_SERIAL_OTHER		0x0c80

#define PCI_BASE_CLASS_WIRELESS		0x0d
#define PCI_CLASS_WIRELESS_IRDA		0x0d00
#define PCI_CLASS_WIRELESS_CONSUMER_IR	0x0d01
#define PCI_CLASS_WIRELESS_RF		0x0d10
#define PCI_CLASS_WIRELESS_BLUETOOTH	0x0d11
#define PCI_CLASS_WIRELESS_BROADBAND	0x0d12
#define PCI_CLASS_WIRELESS_80211a	0x0d20
#define PCI_CLASS_WIRELESS_80211b	0x0d21
#define PCI_CLASS_WIRELESS_CELLULAR	0x0d40
#define PCI_CLASS_WIRELESS_CELLULAR_PLUS_80211	0x0d41
#define PCI_CLASS_WIRELESS_OTHER	0x0d80

#define PCI_BASE_CLASS_INTELLIGENT	0x0e
#define PCI_CLASS_INTELLIGENT_I2O	0x0e00

#define PCI_BASE_CLASS_SATELLITE	0x0f
#define PCI_CLASS_SATELLITE_TV		0x0f00
#define PCI_CLASS_SATELLITE_AUDIO	0x0f01
#define PCI_CLASS_SATELLITE_VOICE	0x0f03
#define PCI_CLASS_SATELLITE_DATA	0x0f04
#define PCI_CLASS_SATELLITE_OTHER	0x0f80

#define PCI_BASE_CLASS_CRYPT		0x10
#define PCI_CLASS_CRYPT_NETWORK		0x1000
#define PCI_CLASS_CRYPT_ENTERTAINMENT	0x1010
#define PCI_CLASS_CRYPT_TPM		0x1020
#define PCI_CLASS_CRYPT_OTHER		0x1080

#define PCI_BASE_CLASS_SIGNAL		0x11
#define PCI_CLASS_SIGNAL_DPIO		0x1100
#define PCI_CLASS_SIGNAL_PERF_CTR	0x1101
#define PCI_CLASS_SIGNAL_SYNCHRONIZER	0x1110
#define PCI_CLASS_SIGNAL_MANAGEMENT	0x1120
#define PCI_CLASS_SIGNAL_OTHER		0x1180

#define PCI_BASE_CLASS_ACCEL		0x12
#define PCI_CLASS_ACCEL_PROCESSING	0x1200
#define PCI_CLASS_ACCEL_SDXI		0x1201

#define PCI_BASE_CLASS_INSTRUM		0x13
#define PCI_CLASS_INSTRUM_NON_ESS	0x1300

#define PCI_CLASS_OTHERS		0xff

/* Several ID's we need in the library */

#define PCI_VENDOR_ID_INTEL		0x8086
#define PCI_VENDOR_ID_COMPAQ		0x0e11

/* I/O resource flags, compatible with <include/linux/ioport.h> */

#define PCI_IORESOURCE_TYPE_BITS	0x00001f00
#define PCI_IORESOURCE_IO		0x00000100
#define PCI_IORESOURCE_MEM		0x00000200
#define PCI_IORESOURCE_PREFETCH		0x00002000
#define PCI_IORESOURCE_MEM_64		0x00100000
#define PCI_IORESOURCE_IO_16BIT_ADDR	(1<<0)
#define PCI_IORESOURCE_PCI_EA_BEI	(1<<5)