#ifndef _PCI_LIB_H
#define _PCI_LIB_H
+#ifndef PCI_CONFIG_H
#include "config.h"
+#endif
+
#include "header.h"
#include "types.h"
-#define PCI_LIB_VERSION 0x020204 /* FIXME: Update */
+#define PCI_LIB_VERSION 0x030100
+
+#ifndef PCI_ABI
+#define PCI_ABI
+#endif
/*
* PCI Access Structure
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_OBSD_DEVICE, /* OpenBSD /dev/pci */
- PCI_ACCESS_DUMP, /* Dump file (params: filename) */
+ 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 */
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 */
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 */
- int fd_pos; /* proc: current position */
+ int fd; /* proc/sys: fd for config space */
+ int fd_rw; /* proc/sys: fd opened read-write */
+ int fd_pos; /* proc/sys: current position */
+ int fd_vpd; /* sys: fd for VPD */
+ struct pci_dev *cached_dev; /* proc/sys: device the fds are for */
};
/* Initialize PCI access */
-struct pci_access *pci_alloc(void);
-void pci_init(struct pci_access *);
-void pci_cleanup(struct pci_access *);
+struct pci_access *pci_alloc(void) PCI_ABI;
+void pci_init(struct pci_access *) PCI_ABI;
+void pci_cleanup(struct pci_access *) PCI_ABI;
/* Scanning of devices */
-void pci_scan_bus(struct pci_access *acc);
-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 *);
+void pci_scan_bus(struct pci_access *acc) PCI_ABI;
+struct pci_dev *pci_get_dev(struct pci_access *acc, int domain, int bus, int dev, int func) PCI_ABI; /* Raw access to specified device */
+void pci_free_dev(struct pci_dev *) PCI_ABI;
+
+/* Names of access methods */
+int pci_lookup_method(char *name) PCI_ABI; /* Returns -1 if not found */
+char *pci_get_method_name(int index) PCI_ABI; /* Returns "" if unavailable, NULL if index out of range */
/*
* Named parameters
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 */
+char *pci_get_param(struct pci_access *acc, char *param) PCI_ABI;
+int pci_set_param(struct pci_access *acc, char *param, char *value) PCI_ABI; /* 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);
+struct pci_param *pci_walk_params(struct pci_access *acc, struct pci_param *prev) PCI_ABI;
/*
* Devices
pciaddr_t size[6]; /* Region sizes */
pciaddr_t rom_base_addr; /* Expansion ROM base address */
pciaddr_t rom_size; /* Expansion ROM size */
+ struct pci_cap *first_cap; /* List of capabilities */
+ char *phy_slot; /* Physical slot */
/* Fields used internally: */
struct pci_access *access;
#define PCI_ADDR_IO_MASK (~(pciaddr_t) 0x3)
#define PCI_ADDR_MEM_MASK (~(pciaddr_t) 0xf)
+#define PCI_ADDR_FLAG_MASK 0xf
-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, 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, u8 *buf, int len);
+u8 pci_read_byte(struct pci_dev *, int pos) PCI_ABI; /* Access to configuration space */
+u16 pci_read_word(struct pci_dev *, int pos) PCI_ABI;
+u32 pci_read_long(struct pci_dev *, int pos) PCI_ABI;
+int pci_read_block(struct pci_dev *, int pos, u8 *buf, int len) PCI_ABI;
+int pci_read_vpd(struct pci_dev *d, int pos, u8 *buf, int len) PCI_ABI;
+int pci_write_byte(struct pci_dev *, int pos, u8 data) PCI_ABI;
+int pci_write_word(struct pci_dev *, int pos, u16 data) PCI_ABI;
+int pci_write_long(struct pci_dev *, int pos, u32 data) PCI_ABI;
+int pci_write_block(struct pci_dev *, int pos, u8 *buf, int len) PCI_ABI;
-int pci_fill_info(struct pci_dev *, int flags); /* Fill in device information */
+int pci_fill_info(struct pci_dev *, int flags) PCI_ABI; /* Fill in device information */
#define PCI_FILL_IDENT 1
#define PCI_FILL_IRQ 2
#define PCI_FILL_ROM_BASE 8
#define PCI_FILL_SIZES 16
#define PCI_FILL_CLASS 32
+#define PCI_FILL_CAPS 64
+#define PCI_FILL_EXT_CAPS 128
+#define PCI_FILL_PHYS_SLOT 256
#define PCI_FILL_RESCAN 0x10000
-void pci_setup_cache(struct pci_dev *, u8 *cache, int len);
+void pci_setup_cache(struct pci_dev *, u8 *cache, int len) PCI_ABI;
+
+/*
+ * Capabilities
+ */
+
+struct pci_cap {
+ struct pci_cap *next;
+ u16 id; /* PCI_CAP_ID_xxx */
+ u16 type; /* PCI_CAP_xxx */
+ unsigned int addr; /* Position in the config space */
+};
+
+#define PCI_CAP_NORMAL 1 /* Traditional PCI capabilities */
+#define PCI_CAP_EXTENDED 2 /* PCIe extended capabilities */
+
+struct pci_cap *pci_find_cap(struct pci_dev *, unsigned int id, unsigned int type) PCI_ABI;
/*
* Filters
int vendor, device;
};
-void pci_filter_init(struct pci_access *, struct pci_filter *);
-char *pci_filter_parse_slot(struct pci_filter *, char *);
-char *pci_filter_parse_id(struct pci_filter *, char *);
-int pci_filter_match(struct pci_filter *, struct pci_dev *);
+void pci_filter_init(struct pci_access *, struct pci_filter *) PCI_ABI;
+char *pci_filter_parse_slot(struct pci_filter *, char *) PCI_ABI;
+char *pci_filter_parse_id(struct pci_filter *, char *) PCI_ABI;
+int pci_filter_match(struct pci_filter *, struct pci_dev *) PCI_ABI;
/*
* Conversion of PCI ID's to names (according to the pci.ids file)
* PROGIF (classID, progif) -> programming interface
*/
-char *pci_lookup_name(struct pci_access *a, char *buf, int size, int flags, ...);
+char *pci_lookup_name(struct pci_access *a, char *buf, int size, int flags, ...) PCI_ABI;
-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);
+int pci_load_name_list(struct pci_access *a) PCI_ABI; /* Called automatically by pci_lookup_*() when needed; returns success */
+void pci_free_name_list(struct pci_access *a) PCI_ABI; /* Called automatically by pci_cleanup() */
+void pci_set_name_list_path(struct pci_access *a, char *name, int to_be_freed) PCI_ABI;
+void pci_id_cache_flush(struct pci_access *a) PCI_ABI;
enum pci_lookup_mode {
PCI_LOOKUP_VENDOR = 1, /* Vendor name (args: vendorID) */