/*
* The PCI Library
*
- * Copyright (c) 1997--2004 Martin Mares <mj@ucw.cz>
+ * Copyright (c) 1997--2008 Martin Mares <mj@ucw.cz>
*
* Can be freely distributed and used under the terms of the GNU GPL.
*/
#include "header.h"
#include "types.h"
+#define PCI_LIB_VERSION 0x020299
+
/*
* PCI Access Structure
*/
struct pci_methods;
-struct nl_entry;
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_AUTO, /* Autodetection */
+ PCI_ACCESS_SYS_BUS_PCI, /* Linux /sys/bus/pci */
+ PCI_ACCESS_PROC_BUS_PCI, /* Linux /proc/bus/pci */
+ PCI_ACCESS_I386_TYPE1, /* i386 ports, type 1 */
+ PCI_ACCESS_I386_TYPE2, /* i386 ports, type 2 */
+ PCI_ACCESS_FBSD_DEVICE, /* FreeBSD /dev/pci */
PCI_ACCESS_AIX_DEVICE, /* /dev/pci0, /dev/bus0, etc. */
PCI_ACCESS_NBSD_LIBPCI, /* NetBSD libpci */
- PCI_ACCESS_DUMP, /* Dump file (params: filename) */
+ PCI_ACCESS_OBSD_DEVICE, /* OpenBSD /dev/pci */
+ PCI_ACCESS_DUMP, /* Dump file */
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 writeable; /* Open in read/write mode */
int buscentric; /* Bus-centric view of the world */
- char *id_file_name; /* Name of ID list file */
- int numeric_ids; /* Don't resolve device IDs to names */
+
+ char *id_file_name; /* Name of ID list file (use pci_set_name_list_path()) */
+ int free_id_name; /* Set if id_file_name is malloced */
+ int numeric_ids; /* Enforce PCI_LOOKUP_NUMERIC (>1 => PCI_LOOKUP_MIXED) */
+
+ unsigned int id_lookup_mode; /* pci_lookup_mode flags which are set automatically */
+ /* Default: PCI_LOOKUP_CACHE */
+
int debugging; /* Turn on debugging messages */
/* 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 */
+ void (*error)(char *msg, ...) PCI_PRINTF(1,2); /* Write error message and quit */
+ void (*warning)(char *msg, ...) PCI_PRINTF(1,2); /* Write a warning message */
+ void (*debug)(char *msg, ...) PCI_PRINTF(1,2); /* Write a debugging message */
struct pci_dev *devices; /* Devices found on this bus */
/* Fields used internally: */
struct pci_methods *methods;
- char *nl_list; /* Name list cache */
- struct nl_entry **nl_hash;
+ struct pci_param *params;
+ struct id_entry **id_hash; /* names.c */
+ struct id_bucket *current_id_bucket;
+ int id_load_failed;
+ int id_cache_status; /* 0=not read, 1=read, 2=dirty */
int fd; /* proc: fd */
int fd_rw; /* proc: fd opened read-write */
struct pci_dev *cached_dev; /* proc: device the fd is for */
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 *);
+/* Names of access methods */
+int pci_lookup_method(char *name); /* Returns -1 if not found */
+char *pci_get_method_name(int index); /* Returns "" if unavailable, NULL if index out of range */
+
+/*
+ * Named parameters
+ */
+
+struct pci_param {
+ struct pci_param *next; /* Please use pci_walk_params() for traversing the list */
+ char *param; /* Name of the parameter */
+ char *value; /* Value of the parameter */
+ int value_malloced; /* used internally */
+ char *help; /* Explanation of the parameter */
+};
+
+char *pci_get_param(struct pci_access *acc, char *param);
+int pci_set_param(struct pci_access *acc, char *param, char *value); /* 0 on success, -1 if no such parameter */
+/* To traverse the list, call pci_walk_params repeatedly, first with prev=NULL, and do not modify the parameters during traversal. */
+struct pci_param *pci_walk_params(struct pci_access *acc, struct pci_param *prev);
+
/*
* Devices
*/
struct pci_dev {
struct pci_dev *next; /* Next device in the chain */
u16 domain; /* PCI domain (host bridge) */
- byte bus, dev, func; /* Bus inside domain, device and function */
+ u8 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 */
+ u16 vendor_id, device_id; /* Identity of the device */
+ u16 device_class; /* PCI device class */
int irq; /* IRQ number */
pciaddr_t base_addr[6]; /* Base addresses */
pciaddr_t size[6]; /* Region sizes */
/* Fields used internally: */
struct pci_access *access;
struct pci_methods *methods;
- byte *cache; /* Cached config registers */
+ u8 *cache; /* Cached config registers */
int cache_len;
int hdrtype; /* Cached low 7 bits of 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);
+u8 pci_read_byte(struct pci_dev *, int pos); /* Access to configuration space */
+u16 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_read_block(struct pci_dev *, int pos, u8 *buf, int len);
+int pci_write_byte(struct pci_dev *, int pos, u8 data);
+int pci_write_word(struct pci_dev *, int pos, u16 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_write_block(struct pci_dev *, int pos, u8 *buf, int len);
int pci_fill_info(struct pci_dev *, int flags); /* Fill in device information */
#define PCI_FILL_BASES 4
#define PCI_FILL_ROM_BASE 8
#define PCI_FILL_SIZES 16
+#define PCI_FILL_CLASS 32
#define PCI_FILL_RESCAN 0x10000
-void pci_setup_cache(struct pci_dev *, byte *cache, int len);
+void pci_setup_cache(struct pci_dev *, u8 *cache, int len);
/*
* Filters
int pci_filter_match(struct pci_filter *, struct pci_dev *);
/*
- * Device names
+ * Conversion of PCI ID's to names (according to the pci.ids file)
+ *
+ * Call pci_lookup_name() to identify different types of ID's:
+ *
+ * VENDOR (vendorID) -> vendor
+ * DEVICE (vendorID, deviceID) -> device
+ * VENDOR | DEVICE (vendorID, deviceID) -> combined vendor and device
+ * SUBSYSTEM | VENDOR (subvendorID) -> subsystem vendor
+ * SUBSYSTEM | DEVICE (vendorID, deviceID, subvendorID, subdevID) -> subsystem device
+ * SUBSYSTEM | VENDOR | DEVICE (vendorID, deviceID, subvendorID, subdevID) -> combined subsystem v+d
+ * SUBSYSTEM | ... (-1, -1, subvendorID, subdevID) -> generic subsystem
+ * CLASS (classID) -> class
+ * PROGIF (classID, progif) -> programming interface
*/
-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
+char *pci_lookup_name(struct pci_access *a, char *buf, int size, int flags, ...);
+
+int pci_load_name_list(struct pci_access *a); /* Called automatically by pci_lookup_*() when needed; returns success */
+void pci_free_name_list(struct pci_access *a); /* Called automatically by pci_cleanup() */
+void pci_set_name_list_path(struct pci_access *a, char *name, int to_be_freed);
+void pci_id_cache_flush(struct pci_access *a);
+
+enum pci_lookup_mode {
+ PCI_LOOKUP_VENDOR = 1, /* Vendor name (args: vendorID) */
+ PCI_LOOKUP_DEVICE = 2, /* Device name (args: vendorID, deviceID) */
+ PCI_LOOKUP_CLASS = 4, /* Device class (args: classID) */
+ PCI_LOOKUP_SUBSYSTEM = 8,
+ PCI_LOOKUP_PROGIF = 16, /* Programming interface (args: classID, prog_if) */
+ PCI_LOOKUP_NUMERIC = 0x10000, /* Want only formatted numbers; default if access->numeric_ids is set */
+ PCI_LOOKUP_NO_NUMBERS = 0x20000, /* Return NULL if not found in the database; default is to print numerically */
+ PCI_LOOKUP_MIXED = 0x40000, /* Include both numbers and names */
+ PCI_LOOKUP_NETWORK = 0x80000, /* Try to resolve unknown ID's by DNS */
+ PCI_LOOKUP_SKIP_LOCAL = 0x100000, /* Do not consult local database */
+ PCI_LOOKUP_CACHE = 0x200000, /* Consult the local cache before using DNS */
+ PCI_LOOKUP_REFRESH_CACHE = 0x400000, /* Forget all previously cached entries, but still allow updating the cache */
+};
#endif
projects / pciutils.git / blobdiff