diff options
Diffstat (limited to 'lib/pci.h')
| -rw-r--r-- | lib/pci.h | 107 |
1 files changed, 63 insertions, 44 deletions
@@ -13,7 +13,11 @@ #include "header.h" #include "types.h" -#define PCI_LIB_VERSION 0x020204 /* FIXME: Update */ +#define PCI_LIB_VERSION 0x029901 + +#ifndef PCI_ABI +#define PCI_ABI +#endif /* * PCI Access Structure @@ -23,23 +27,22 @@ struct pci_methods; 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 */ @@ -48,23 +51,20 @@ struct pci_access { 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 */ - char *id_domain; /* DNS domain used for the lookups (use pci_set_net_domain()) */ - int free_id_domain; /* Set if id_domain is malloced */ - char *id_cache_file; /* Name of the ID cache file (use pci_set_net_cache()) */ - int free_id_cache_file; /* Set if id_cache_file is malloced */ + /* 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; + struct pci_param *params; struct id_entry **id_hash; /* names.c */ struct id_bucket *current_id_bucket; int id_load_failed; @@ -76,14 +76,35 @@ struct pci_access { }; /* 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 + */ + +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) 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) PCI_ABI; /* * Devices @@ -116,16 +137,16 @@ struct pci_dev { #define PCI_ADDR_IO_MASK (~(pciaddr_t) 0x3) #define PCI_ADDR_MEM_MASK (~(pciaddr_t) 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_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 @@ -135,7 +156,7 @@ int pci_fill_info(struct pci_dev *, int flags); /* Fill in device information */ #define PCI_FILL_CLASS 32 #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; /* * Filters @@ -146,10 +167,10 @@ struct pci_filter { 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) @@ -167,14 +188,12 @@ int pci_filter_match(struct pci_filter *, struct pci_dev *); * 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_set_net_domain(struct pci_access *a, char *name, int to_be_freed); -void pci_set_id_cache(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) */ |