This is the include file required to compile flashrom on windows. 
Will be part of a separate directio for windows release.

Index: directio.h
===================================================================
--- directio.h	(revision 0)
+++ directio.h	(revision 0)
@@ -0,0 +1,589 @@
+#ifndef __DIRECT_IO_H__
+#define __DIRECT_IO_H__
+
+int init_driver(); // returns 0 on error, 1 on success
+void cleanup_driver(); // must be called after done using the driver
+
+void* map_physical_addr_range( unsigned long phy_addr_start, 
+						 unsigned long size ); // returns NULL on error, valid pointer on success
+int unmap_physical_addr_range( void* virt_addr_start, 
+		        unsigned long size ); // must be called after done with the mapped physical memory
+
+unsigned long hal_pci_read_offset( unsigned long  bus, unsigned long  device,
+		                   unsigned long  function, unsigned long  offset, 
+				   unsigned char length);
+
+void hal_pci_write_offset( unsigned long  bus, unsigned long  device, 
+			   unsigned long  function, unsigned long  offset, 
+			   unsigned long value, unsigned char length );
+
+void outb(unsigned char value, unsigned short port);
+void outw(unsigned short value, unsigned short port);
+void outl(unsigned long value, unsigned short port);
+
+unsigned char inb(unsigned short port);
+unsigned short inw(unsigned short port);
+unsigned long inl(unsigned short port);
+
+int getpagesize(void);
+int iopl(int level);
+
+/*
+ *	$Id: pci.h,v 1.12 2003/01/04 11:04:39 mj Exp $
+ *
+ *	The PCI Library
+ *
+ *	Copyright (c) 1997--2002 Martin Mares <mj@ucw.cz>
+ *
+ *	Can be freely distributed and used under the terms of the GNU GPL.
+ */
+
+#ifndef _PCI_LIB_H
+#define _PCI_LIB_H
+
+/*
+ *	$Id: header.h,v 1.9 2002/12/26 20:24:50 mj Exp $
+ *
+ *	The PCI Library -- PCI Header Structure (extracted from <linux/pci.h>)
+ *
+ *	Copyright (c) 1997--2002 Martin Mares <mj@ucw.cz>
+ *
+ *	Can be freely distributed and used under the terms of the GNU GPL.
+ */
+
+/*
+ * 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_STATUS		0x06	/* 16 bits */
+#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	(~0x0fUL)
+#define  PCI_BASE_ADDRESS_IO_MASK	(~0x03UL)
+/* 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	(~0x7ffUL)
+
+#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, only bit 14 used */
+#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 */
+/* 0x35-0x3b 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_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 */
+
+/* Header type 2 (CardBus bridges) */
+/* 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_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 Signalled Interrupts */
+#define  PCI_CAP_ID_CHSWP	0x06	/* CompactPCI HotSwap */
+#define  PCI_CAP_ID_PCIX        0x07    /* PCI-X */
+#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
+
+/* 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_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
+
+/* 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 Signalled Interrupts registers */
+
+#define PCI_MSI_FLAGS		2	/* Various flags */
+#define  PCI_MSI_FLAGS_64BIT	0x80	/* 64-bit addresses allowed */
+#define  PCI_MSI_FLAGS_QSIZE	0x70	/* Message queue size configured */
+#define  PCI_MSI_FLAGS_QMASK	0x0e	/* Maximum queue size available */
+#define  PCI_MSI_FLAGS_ENABLE	0x01	/* 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 */
+
+/* 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_RESERVED                               0xc0000000
+#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
+
+/*
+ * 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_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_OTHER		0x0280
+
+#define PCI_BASE_CLASS_DISPLAY		0x03
+#define PCI_CLASS_DISPLAY_VGA		0x0300
+#define PCI_CLASS_DISPLAY_XGA		0x0301
+#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_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_OTHER		0x0680
+
+#define PCI_BASE_CLASS_COMMUNICATION	0x07
+#define PCI_CLASS_COMMUNICATION_SERIAL	0x0700
+#define PCI_CLASS_COMMUNICATION_PARALLEL 0x0701
+#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_OTHER		0x0880
+
+#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_OTHER		0x0980
+
+#define PCI_BASE_CLASS_DOCKING		0x0a
+#define PCI_CLASS_DOCKING_GENERIC	0x0a00
+#define PCI_CLASS_DOCKING_OTHER		0x0a01
+
+#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_CO		0x0b40
+
+#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_OTHERS		0xff
+
+/* Several ID's we need in the library */
+
+#define PCI_VENDOR_ID_INTEL		0x8086
+#define PCI_VENDOR_ID_COMPAQ		0x0e11
+/*
+ *	Types
+ */
+
+typedef unsigned char byte;
+typedef unsigned char u8;
+typedef unsigned short word;
+typedef unsigned short u16;
+typedef unsigned long u32;
+
+typedef unsigned long pciaddr_t;
+
+/*
+ *	PCI Access Structure
+ */
+
+struct pci_methods;
+
+enum pci_access_type {
+  /* Known access methods, remember to update access.c as well */
+  PCI_ACCESS_WINDOWS_HAL,		/* Windows Hardware Abstraction Layer */
+  PCI_ACCESS_I386_TYPE1,		/* i386 ports, type 1 (params: none) */
+  PCI_ACCESS_I386_TYPE2,		/* i386 ports, type 2 (params: none) */
+  PCI_ACCESS_MAX
+};
+
+struct pci_access {
+  /* Options you can change: */
+  unsigned int method;			/* Access method */
+  char *method_params[PCI_ACCESS_MAX];	/* Parameters for the methods */
+  int buscentric;			/* Bus-centric view of the world */
+
+  /* Functions you can override: */
+  void (*error)(char *msg, ...);	/* Write error message and quit */
+  void (*warning)(char *msg, ...);	/* Write a warning message */
+  void (*debug)(char *msg, ...);	/* Write a debugging message */
+
+  struct pci_dev *devices;		/* Devices found on this bus */
+
+  /* Fields used internally: */
+  struct pci_methods *methods;
+};
+
+/* Initialize PCI access */
+struct pci_access *pci_alloc(void);
+void pci_init(struct pci_access *);
+void pci_cleanup(struct pci_access *);
+
+/* Scanning of devices */
+void pci_scan_bus(struct pci_access *acc);
+struct pci_dev *pci_get_dev(struct pci_access *acc, word bus, byte dev, byte func); /* Raw access to specified device */
+void pci_free_dev(struct pci_dev *);
+
+/*
+ *	Devices
+ */
+
+struct pci_dev {
+  struct pci_dev *next;			/* Next device in the chain */
+  word bus;				/* Higher byte can select host bridges */
+  byte dev, func;			/* Device and function */
+
+  /* These fields are set by pci_fill_info() */
+  int known_fields;			/* Set of info fields already known */
+  word vendor_id, device_id;		/* Identity of the device */
+  int irq;				/* IRQ number */
+  pciaddr_t base_addr[6];		/* Base addresses */
+  pciaddr_t size[6];			/* Region sizes */
+  pciaddr_t rom_base_addr;		/* Expansion ROM base address */
+  pciaddr_t rom_size;			/* Expansion ROM size */
+
+  /* Fields used internally: */
+  struct pci_access *access;
+  struct pci_methods *methods;
+  int hdrtype;				/* Direct methods: header type */
+  void *aux;				/* Auxillary data */
+};
+
+#define PCI_ADDR_IO_MASK (~(pciaddr_t) 0x3)
+#define PCI_ADDR_MEM_MASK (~(pciaddr_t) 0xf)
+
+byte pci_read_byte(struct pci_dev *, int pos); /* Access to configuration space */
+word pci_read_word(struct pci_dev *, int pos);
+u32  pci_read_long(struct pci_dev *, int pos);
+int pci_read_block(struct pci_dev *, int pos, byte *buf, int len);
+int pci_write_byte(struct pci_dev *, int pos, byte data);
+int pci_write_word(struct pci_dev *, int pos, word data);
+int pci_write_long(struct pci_dev *, int pos, u32 data);
+int pci_write_block(struct pci_dev *, int pos, byte *buf, int len);
+
+int pci_fill_info(struct pci_dev *, int flags); /* Fill in device information */
+
+#define PCI_FILL_IDENT		1
+#define PCI_FILL_IRQ		2
+#define PCI_FILL_BASES		4
+#define PCI_FILL_ROM_BASE	8
+#define PCI_FILL_SIZES		16
+#define PCI_FILL_RESCAN		0x10000
+
+
+/*
+ *	Filters
+ */
+
+struct pci_filter {
+  int bus, slot, func;			/* -1 = ANY */
+  int vendor, device;
+};
+
+void pci_filter_init(struct pci_access *, struct pci_filter *);
+char *pci_filter_parse_slot(struct pci_filter *, char *);
+int pci_filter_match(struct pci_filter *, struct pci_dev *);
+
+#define PCI_LOOKUP_VENDOR 1
+#define PCI_LOOKUP_DEVICE 2
+#define PCI_LOOKUP_CLASS 4
+#define PCI_LOOKUP_SUBSYSTEM 8
+#define PCI_LOOKUP_PROGIF 16
+#define PCI_LOOKUP_NUMERIC 0x10000
+
+#endif
+
+
+
+#endif //__DIRECT_IO_H__
