/*
- * $Id: pci.h,v 1.1 1999/01/22 21:05:34 mj Exp $
- *
* The PCI Library
*
- * Copyright (c) 1997--1999 Martin Mares <mj@atrey.karlin.mff.cuni.cz>
+ * Copyright (c) 1997--2004 Martin Mares <mj@ucw.cz>
*
* Can be freely distributed and used under the terms of the GNU GPL.
*/
#define _PCI_LIB_H
#include "config.h"
-
-#ifdef HAVE_OWN_HEADER_H
#include "header.h"
-#else
-#include <linux/pci.h>
-#endif
/*
- * Types
+ * Types and format strings
*/
-#include <linux/types.h>
+#include <sys/types.h>
-typedef __u8 byte;
-typedef __u8 u8;
-typedef __u16 word;
-typedef __u16 u16;
-typedef __u32 u32;
+#ifdef OS_WINDOWS
+typedef unsigned char byte;
+typedef char u8;
+typedef unsigned short word;
+typedef short u16;
+typedef unsigned long u32;
+#else
+typedef u_int8_t byte;
+typedef u_int8_t u8;
+typedef u_int16_t word;
+typedef u_int16_t u16;
+typedef u_int32_t u32;
+#endif
+
+#ifdef HAVE_64BIT_ADDRESS
+#include <limits.h>
+#if ULONG_MAX > 0xffffffff
+typedef unsigned long u64;
+#define PCIADDR_T_FMT "%016lx"
+#define PCIADDR_PORT_FMT "%04lx"
+#else
+typedef unsigned long long u64;
+#define PCIADDR_T_FMT "%016llx"
+#define PCIADDR_PORT_FMT "%04llx"
+#endif
+typedef u64 pciaddr_t;
+#else
+typedef u32 pciaddr_t;
+#define PCIADDR_T_FMT "%08x"
+#define PCIADDR_PORT_FMT "%04x"
+#endif
+
+#ifdef ARCH_SPARC64
+/* On sparc64 Linux the kernel reports remapped port addresses and IRQ numbers */
+#undef PCIADDR_PORT_FMT
+#define PCIADDR_PORT_FMT PCIADDR_T_FMT
+#define PCIIRQ_FMT "%08x"
+#else
+#define PCIIRQ_FMT "%d"
+#endif
/*
* PCI Access Structure
struct pci_methods;
struct nl_entry;
-#define PCI_ACCESS_AUTO 0 /* Autodetection (params: none) */
-#define PCI_ACCESS_PROC_BUS_PCI 1 /* Linux /proc/bus/pci (params: path) */
-#define PCI_ACCESS_SYSCALLS 2 /* pciconfig_read() syscalls (params: none) */
-#define PCI_ACCESS_I386_TYPE1 3 /* i386 ports, type 1 (params: none) */
-#define PCI_ACCESS_I386_TYPE2 4 /* i386 ports, type 2 (params: none) */
-#define PCI_ACCESS_DUMP 5 /* Dump file (params: filename) */
-#define PCI_ACCESS_MAX 6
+enum pci_access_type {
+ /* Known access methods, remember to update access.c as well */
+ PCI_ACCESS_AUTO, /* Autodetection (params: none) */
+ PCI_ACCESS_SYS_BUS_PCI, /* Linux /sys/bus/pci (params: path) */
+ PCI_ACCESS_PROC_BUS_PCI, /* Linux /proc/bus/pci (params: path) */
+ PCI_ACCESS_I386_TYPE1, /* i386 ports, type 1 (params: none) */
+ PCI_ACCESS_I386_TYPE2, /* i386 ports, type 2 (params: none) */
+ PCI_ACCESS_FBSD_DEVICE, /* FreeBSD /dev/pci (params: path) */
+ PCI_ACCESS_AIX_DEVICE, /* /dev/pci0, /dev/bus0, etc. */
+ PCI_ACCESS_NBSD_LIBPCI, /* NetBSD libpci */
+ PCI_ACCESS_DUMP, /* Dump file (params: filename) */
+ PCI_ACCESS_MAX
+};
struct pci_access {
/* Options you can change: */
int fd; /* proc: fd */
int fd_rw; /* proc: fd opened read-write */
struct pci_dev *cached_dev; /* proc: device the fd is for */
+ int fd_pos; /* proc: current position */
};
/* Initialize PCI access */
/* Scanning of devices */
void pci_scan_bus(struct pci_access *acc);
-struct pci_dev *pci_get_dev(struct pci_access *acc, int bus, int dev, int func); /* Raw access to specified device */
+struct pci_dev *pci_get_dev(struct pci_access *acc, int domain, int bus, int dev, int func); /* Raw access to specified device */
void pci_free_dev(struct pci_dev *);
/*
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 */
+ u16 domain; /* PCI domain (host bridge) */
+ byte bus, dev, func; /* Bus inside domain, 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 */
- unsigned long base_addr[6]; /* Base addresses */
- unsigned long rom_base_addr; /* Expansion ROM base address */
+ 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 known_fields; /* Set of info fields that is already known */
- int hdrtype; /* Direct methods: header type */
+ byte *cache; /* Cached config registers */
+ int cache_len;
+ int hdrtype; /* Cached header type, -1 if unknown */
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_write_long(struct pci_dev *, int pos, u32 data);
int pci_write_block(struct pci_dev *, int pos, byte *buf, int len);
-void pci_fill_info(struct pci_dev *, int flags); /* Fill in device information */
+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
-/*
- * Buffered access
- */
-
-void pci_setup_buffer(struct pci_dev *, byte *buf);
+void pci_setup_cache(struct pci_dev *, byte *cache, int len);
/*
* Filters
*/
struct pci_filter {
- int bus, slot, func; /* -1 = ANY */
+ int domain, bus, slot, func; /* -1 = ANY */
int vendor, device;
};
* Device names
*/
-char *pci_lookup_name(struct pci_access *a, char *buf, int size, int flags, u32 arg1, u32 arg2);
+char *pci_lookup_name(struct pci_access *a, char *buf, int size, int flags, u32 arg1, u32 arg2, u32 arg3, u32 arg4);
void pci_free_name_list(struct pci_access *a);
#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
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