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- Committer: Bazaar Package Importer
- Author(s): Remco van de Meent
- Date: 2002-03-11 13:26:04 UTC
- Revision ID: james.westby@ubuntu.com-20020311132604-7way9hqnt42hgmxd
Tags: upstream-2.1.9
Import upstream version 2.1.9
- files added:
- lib
added
removed
lib/pci.h
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/*
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* $Id: pci.h,v 1.8 2000/04/21 11:58:00 mj Exp $
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*
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* The PCI Library
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*
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* Copyright (c) 1997--1999 Martin Mares <mj@atrey.karlin.mff.cuni.cz>
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*
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* Can be freely distributed and used under the terms of the GNU GPL.
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*/
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#ifndef _PCI_LIB_H
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#define _PCI_LIB_H
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#include "config.h"
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#ifdef HAVE_OWN_HEADER_H
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#include "header.h"
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#else
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#include <linux/pci.h>
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#endif
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/*
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* Types
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*/
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#ifdef OS_LINUX
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#include <linux/types.h>
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typedef __u8 byte;
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typedef __u8 u8;
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typedef __u16 word;
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typedef __u16 u16;
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typedef __u32 u32;
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#endif
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#ifdef OS_FREEBSD
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#include <sys/types.h>
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typedef u_int8_t byte;
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typedef u_int8_t u8;
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typedef u_int16_t word;
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typedef u_int16_t u16;
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typedef u_int32_t u32;
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#endif
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#ifdef OS_AIX
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#include <sys/param.h>
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typedef u_int8_t byte;
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typedef u_int8_t u8;
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typedef u_int16_t word;
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typedef u_int16_t u16;
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typedef u_int32_t u32;
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#endif
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#ifdef HAVE_LONG_ADDRESS
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typedef unsigned long long pciaddr_t;
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#else
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typedef unsigned long pciaddr_t;
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#endif
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/*
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* PCI Access Structure
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*/
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struct pci_methods;
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struct nl_entry;
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#define PCI_ACCESS_AUTO 0 /* Autodetection (params: none) */
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#define PCI_ACCESS_PROC_BUS_PCI 1 /* Linux /proc/bus/pci (params: path) */
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#define PCI_ACCESS_SYSCALLS 2 /* pciconfig_read() syscalls (params: none) */
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#define PCI_ACCESS_I386_TYPE1 3 /* i386 ports, type 1 (params: none) */
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#define PCI_ACCESS_I386_TYPE2 4 /* i386 ports, type 2 (params: none) */
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#define PCI_ACCESS_FBSD_DEVICE 5 /* FreeBSD /dev/pci (params: path) */
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#define PCI_ACCESS_AIX_DEVICE 6 /* /dev/pci0, /dev/bus0, etc. */
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#define PCI_ACCESS_DUMP 7 /* Dump file (params: filename) */
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#define PCI_ACCESS_MAX 8
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struct pci_access {
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/* Options you can change: */
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unsigned int method; /* Access method */
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char *method_params[PCI_ACCESS_MAX]; /* Parameters for the methods */
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int writeable; /* Open in read/write mode */
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int buscentric; /* Bus-centric view of the world */
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char *id_file_name; /* Name of ID list file */
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int numeric_ids; /* Don't resolve device IDs to names */
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int debugging; /* Turn on debugging messages */
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/* Functions you can override: */
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void (*error)(char *msg, ...); /* Write error message and quit */
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void (*warning)(char *msg, ...); /* Write a warning message */
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void (*debug)(char *msg, ...); /* Write a debugging message */
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struct pci_dev *devices; /* Devices found on this bus */
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/* Fields used internally: */
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struct pci_methods *methods;
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char *nl_list; /* Name list cache */
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struct nl_entry **nl_hash;
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int fd; /* proc: fd */
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int fd_rw; /* proc: fd opened read-write */
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struct pci_dev *cached_dev; /* proc: device the fd is for */
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int fd_pos; /* proc: current position */
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};
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/* Initialize PCI access */
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struct pci_access *pci_alloc(void);
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void pci_init(struct pci_access *);
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void pci_cleanup(struct pci_access *);
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/* Scanning of devices */
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void pci_scan_bus(struct pci_access *acc);
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struct pci_dev *pci_get_dev(struct pci_access *acc, int bus, int dev, int func); /* Raw access to specified device */
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void pci_free_dev(struct pci_dev *);
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/*
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* Devices
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*/
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struct pci_dev {
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struct pci_dev *next; /* Next device in the chain */
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word bus; /* Higher byte can select host bridges */
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byte dev, func; /* Device and function */
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/* These fields are set by pci_fill_info() */
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int known_fields; /* Set of info fields already known */
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word vendor_id, device_id; /* Identity of the device */
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int irq; /* IRQ number */
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pciaddr_t base_addr[6]; /* Base addresses */
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pciaddr_t size[6]; /* Region sizes */
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pciaddr_t rom_base_addr; /* Expansion ROM base address */
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pciaddr_t rom_size; /* Expansion ROM size */
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/* Fields used internally: */
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struct pci_access *access;
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struct pci_methods *methods;
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byte *cache; /* Cached information */
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int cache_len;
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int hdrtype; /* Direct methods: header type */
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void *aux; /* Auxillary data */
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};
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#define PCI_ADDR_IO_MASK (~(pciaddr_t) 0x3)
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#define PCI_ADDR_MEM_MASK (~(pciaddr_t) 0xf)
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byte pci_read_byte(struct pci_dev *, int pos); /* Access to configuration space */
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word pci_read_word(struct pci_dev *, int pos);
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u32 pci_read_long(struct pci_dev *, int pos);
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int pci_read_block(struct pci_dev *, int pos, byte *buf, int len);
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int pci_write_byte(struct pci_dev *, int pos, byte data);
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int pci_write_word(struct pci_dev *, int pos, word data);
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int pci_write_long(struct pci_dev *, int pos, u32 data);
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int pci_write_block(struct pci_dev *, int pos, byte *buf, int len);
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int pci_fill_info(struct pci_dev *, int flags); /* Fill in device information */
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#define PCI_FILL_IDENT 1
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#define PCI_FILL_IRQ 2
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#define PCI_FILL_BASES 4
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#define PCI_FILL_ROM_BASE 8
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#define PCI_FILL_SIZES 16
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#define PCI_FILL_RESCAN 0x10000
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void pci_setup_cache(struct pci_dev *, byte *cache, int len);
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/*
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* Filters
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*/
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struct pci_filter {
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int bus, slot, func; /* -1 = ANY */
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int vendor, device;
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};
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void pci_filter_init(struct pci_access *, struct pci_filter *);
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char *pci_filter_parse_slot(struct pci_filter *, char *);
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char *pci_filter_parse_id(struct pci_filter *, char *);
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int pci_filter_match(struct pci_filter *, struct pci_dev *);
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/*
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* Device names
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*/
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char *pci_lookup_name(struct pci_access *a, char *buf, int size, int flags, u32 arg1, u32 arg2, u32 arg3, u32 arg4);
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void pci_free_name_list(struct pci_access *a);
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#define PCI_LOOKUP_VENDOR 1
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#define PCI_LOOKUP_DEVICE 2
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#define PCI_LOOKUP_CLASS 4
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#define PCI_LOOKUP_SUBSYSTEM 8
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#define PCI_LOOKUP_PROGIF 16
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#define PCI_LOOKUP_NUMERIC 0x10000
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#endif
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