X-Git-Url: http://mj.ucw.cz/gitweb/?a=blobdiff_plain;f=lib%2Fpci.h;h=eeb4a55cb18db40c0bafd9babaa4a9454f357779;hb=4c2b4b1bfa348ea22a22f4ca271bc13096ab3e78;hp=a86bfd7ea9b8ba4fe29427269357b5bc56b2069c;hpb=558f736b28677cd0409c4e442e48d26d4ec5d1fd;p=pciutils.git diff --git a/lib/pci.h b/lib/pci.h index a86bfd7..eeb4a55 100644 --- a/lib/pci.h +++ b/lib/pci.h @@ -1,7 +1,7 @@ /* * The PCI Library * - * Copyright (c) 1997--2016 Martin Mares + * Copyright (c) 1997--2020 Martin Mares * * Can be freely distributed and used under the terms of the GNU GPL. */ @@ -16,7 +16,7 @@ #include "header.h" #include "types.h" -#define PCI_LIB_VERSION 0x030401 +#define PCI_LIB_VERSION 0x030800 #ifndef PCI_ABI #define PCI_ABI @@ -29,7 +29,7 @@ struct pci_methods; enum pci_access_type { - /* Known access methods, remember to update access.c as well */ + /* Known access methods, remember to update init.c as well */ PCI_ACCESS_AUTO, /* Autodetection */ PCI_ACCESS_SYS_BUS_PCI, /* Linux /sys/bus/pci */ PCI_ACCESS_PROC_BUS_PCI, /* Linux /proc/bus/pci */ @@ -41,6 +41,9 @@ enum pci_access_type { PCI_ACCESS_OBSD_DEVICE, /* OpenBSD /dev/pci */ PCI_ACCESS_DUMP, /* Dump file */ PCI_ACCESS_DARWIN, /* Darwin */ + PCI_ACCESS_SYLIXOS_DEVICE, /* SylixOS pci */ + PCI_ACCESS_HURD, /* GNU/Hurd */ + PCI_ACCESS_WIN32_CFGMGR32, /* Win32 cfgmgr32.dll */ PCI_ACCESS_MAX }; @@ -60,7 +63,7 @@ struct pci_access { int debugging; /* Turn on debugging messages */ /* Functions you can override: */ - void (*error)(char *msg, ...) PCI_PRINTF(1,2); /* Write error message and quit */ + void (*error)(char *msg, ...) PCI_PRINTF(1,2) PCI_NONRET; /* 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 */ @@ -119,11 +122,12 @@ struct pci_param *pci_walk_params(struct pci_access *acc, struct pci_param *prev struct pci_dev { struct pci_dev *next; /* Next device in the chain */ - u16 domain; /* PCI domain (host bridge) */ + u16 domain_16; /* 16-bit version of the PCI domain for backward compatibility */ + /* 0xffff if the real domain doesn't fit in 16 bits */ 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 */ + unsigned int known_fields; /* Set of info fields already known (see pci_fill_info()) */ u16 vendor_id, device_id; /* Identity of the device */ u16 device_class; /* PCI device class */ int irq; /* IRQ number */ @@ -136,16 +140,26 @@ struct pci_dev { char *module_alias; /* Linux kernel module alias */ char *label; /* Device name as exported by BIOS */ int numa_node; /* NUMA node */ - pciaddr_t flags[6]; /* Region IORESOURCE flags */ - pciaddr_t rom_flags; /* Expansion ROM IORESOURCE flags */ - - /* Fields used internally: */ + pciaddr_t flags[6]; /* PCI_IORESOURCE_* flags for regions */ + pciaddr_t rom_flags; /* PCI_IORESOURCE_* flags for expansion ROM */ + int domain; /* PCI domain (host bridge) */ + pciaddr_t bridge_base_addr[4]; /* Bridge base addresses (without flags) */ + pciaddr_t bridge_size[4]; /* Bridge sizes */ + pciaddr_t bridge_flags[4]; /* PCI_IORESOURCE_* flags for bridge addresses */ + u8 prog_if, rev_id; /* Programming interface for device_class and revision id */ + u16 subsys_vendor_id, subsys_id; /* Subsystem vendor id and subsystem id */ + struct pci_dev *parent; /* Parent device, does not have to be always accessible */ + int no_config_access; /* No access to config space for this device */ + + /* Fields used internally */ struct pci_access *access; struct pci_methods *methods; u8 *cache; /* Cached config registers */ int cache_len; int hdrtype; /* Cached low 7 bits of header type, -1 if unknown */ - void *aux; /* Auxillary data */ + void *aux; /* Auxiliary data for use by the back-end */ + struct pci_property *properties; /* A linked list of extra properties */ + struct pci_cap *last_cap; /* Last capability in the list */ }; #define PCI_ADDR_IO_MASK (~(pciaddr_t) 0x3) @@ -162,7 +176,27 @@ 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) PCI_ABI; /* Fill in device information */ +/* + * Most device properties take some effort to obtain, so libpci does not + * initialize them during default bus scan. Instead, you have to call + * pci_fill_info() with the proper PCI_FILL_xxx constants OR'ed together. + * + * Some properties are stored directly in the pci_dev structure. + * The remaining ones can be accessed through pci_get_string_property(). + * + * pci_fill_info() returns the current value of pci_dev->known_fields. + * This is a bit mask of all fields, which were already obtained during + * the lifetime of the device. This includes fields which are not supported + * by the particular device -- in that case, the field is left at its default + * value, which is 0 for integer fields and NULL for pointers. On the other + * hand, we never consider known fields unsupported by the current back-end; + * such fields always contain the default value. + * + * XXX: flags and the result should be unsigned, but we do not want to break the ABI. + */ + +int pci_fill_info(struct pci_dev *, int flags) PCI_ABI; +char *pci_get_string_property(struct pci_dev *d, u32 prop) PCI_ABI; #define PCI_FILL_IDENT 0x0001 #define PCI_FILL_IRQ 0x0002 @@ -177,7 +211,14 @@ int pci_fill_info(struct pci_dev *, int flags) PCI_ABI; /* Fill in device inform #define PCI_FILL_LABEL 0x0400 #define PCI_FILL_NUMA_NODE 0x0800 #define PCI_FILL_IO_FLAGS 0x1000 +#define PCI_FILL_DT_NODE 0x2000 /* Device tree node */ +#define PCI_FILL_IOMMU_GROUP 0x4000 +#define PCI_FILL_BRIDGE_BASES 0x8000 #define PCI_FILL_RESCAN 0x00010000 +#define PCI_FILL_CLASS_EXT 0x00020000 /* prog_if and rev_id */ +#define PCI_FILL_SUBSYS 0x00040000 /* subsys_vendor_id and subsys_id */ +#define PCI_FILL_PARENT 0x00080000 +#define PCI_FILL_DRIVER 0x00100000 /* OS driver currently in use (string property) */ void pci_setup_cache(struct pci_dev *, u8 *cache, int len) PCI_ABI; @@ -196,6 +237,8 @@ struct pci_cap { #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; +struct pci_cap *pci_find_cap_nr(struct pci_dev *, unsigned int id, unsigned int type, + unsigned int *cap_number) PCI_ABI; /* * Filters @@ -203,8 +246,11 @@ struct pci_cap *pci_find_cap(struct pci_dev *, unsigned int id, unsigned int typ struct pci_filter { int domain, bus, slot, func; /* -1 = ANY */ - int vendor, device, device_class; - int rfu[3]; + int vendor, device; + int device_class; + unsigned int device_class_mask; /* Which bits of the device_class are compared, default=all */ + int prog_if; + int rfu[1]; }; void pci_filter_init(struct pci_access *, struct pci_filter *) PCI_ABI;