X-Git-Url: http://mj.ucw.cz/gitweb/?a=blobdiff_plain;f=lib%2Fpci.h;h=a5c7424bae6c015aa1637c6b4568643d6a07fb55;hb=4c392dc366cbfcf515cb4b4607ee3a1777dc2bbc;hp=0adc5c6d4c472db500fb73673f9b21a4def4ebe9;hpb=0a9133703e4db04fe52bf7fa774392b82d51ac04;p=pciutils.git diff --git a/lib/pci.h b/lib/pci.h index 0adc5c6..a5c7424 100644 --- a/lib/pci.h +++ b/lib/pci.h @@ -1,9 +1,11 @@ /* * The PCI Library * - * Copyright (c) 1997--2020 Martin Mares + * Copyright (c) 1997--2024 Martin Mares * - * Can be freely distributed and used under the terms of the GNU GPL. + * Can be freely distributed and used under the terms of the GNU GPL v2+ + * + * SPDX-License-Identifier: GPL-2.0-or-later */ #ifndef _PCI_LIB_H @@ -16,7 +18,7 @@ #include "header.h" #include "types.h" -#define PCI_LIB_VERSION 0x030603 +#define PCI_LIB_VERSION 0x030b01 #ifndef PCI_ABI #define PCI_ABI @@ -43,6 +45,13 @@ enum pci_access_type { PCI_ACCESS_DARWIN, /* Darwin */ PCI_ACCESS_SYLIXOS_DEVICE, /* SylixOS pci */ PCI_ACCESS_HURD, /* GNU/Hurd */ + PCI_ACCESS_WIN32_CFGMGR32, /* Win32 cfgmgr32.dll */ + PCI_ACCESS_WIN32_KLDBG, /* Win32 kldbgdrv.sys */ + PCI_ACCESS_WIN32_SYSDBG, /* Win32 NT SysDbg */ + PCI_ACCESS_MMIO_TYPE1, /* MMIO ports, type 1 */ + PCI_ACCESS_MMIO_TYPE1_EXT, /* MMIO ports, type 1 extended */ + PCI_ACCESS_ECAM, /* PCIe ECAM via /dev/mem */ + PCI_ACCESS_AOS_EXPANSION, /* AmigaOS Expansion library */ PCI_ACCESS_MAX }; @@ -62,7 +71,7 @@ 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 */ @@ -73,15 +82,16 @@ struct pci_access { struct pci_param *params; struct id_entry **id_hash; /* names.c */ struct id_bucket *current_id_bucket; - int id_load_failed; + int id_load_attempted; int id_cache_status; /* 0=not read, 1=read, 2=dirty */ + char *id_cache_name; struct udev *id_udev; /* names-hwdb.c */ struct udev_hwdb *id_udev_hwdb; 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 */ + void *backend_data; /* Private data of the back end */ }; /* Initialize PCI access */ @@ -126,7 +136,7 @@ struct pci_dev { 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 */ @@ -142,6 +152,13 @@ struct pci_dev { 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; @@ -149,7 +166,7 @@ struct pci_dev { u8 *cache; /* Cached config registers */ int cache_len; int hdrtype; /* Cached low 7 bits of header type, -1 if unknown */ - void *aux; /* Auxiliary data */ + void *backend_data; /* Private data for of the back end */ struct pci_property *properties; /* A linked list of extra properties */ struct pci_cap *last_cap; /* Last capability in the list */ }; @@ -158,14 +175,17 @@ struct pci_dev { #define PCI_ADDR_MEM_MASK (~(pciaddr_t) 0xf) #define PCI_ADDR_FLAG_MASK 0xf -u8 pci_read_byte(struct pci_dev *, int pos) PCI_ABI; /* Access to configuration space */ +/* Access to configuration space */ +u8 pci_read_byte(struct pci_dev *, int pos) PCI_ABI; 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; + +/* Configuration space as a sequence of bytes (little-endian) */ +int pci_read_block(struct pci_dev *, int pos, u8 *buf, int len) PCI_ABI; int pci_write_block(struct pci_dev *, int pos, u8 *buf, int len) PCI_ABI; /* @@ -175,26 +195,42 @@ int pci_write_block(struct pci_dev *, int pos, u8 *buf, int len) PCI_ABI; * * 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_IDENT 0x0001 /* vendor and device ID */ #define PCI_FILL_IRQ 0x0002 #define PCI_FILL_BASES 0x0004 #define PCI_FILL_ROM_BASE 0x0008 #define PCI_FILL_SIZES 0x0010 #define PCI_FILL_CLASS 0x0020 -#define PCI_FILL_CAPS 0x0040 -#define PCI_FILL_EXT_CAPS 0x0080 -#define PCI_FILL_PHYS_SLOT 0x0100 -#define PCI_FILL_MODULE_ALIAS 0x0200 -#define PCI_FILL_LABEL 0x0400 +#define PCI_FILL_CAPS 0x0040 /* capabilities */ +#define PCI_FILL_EXT_CAPS 0x0080 /* extended capabilities */ +#define PCI_FILL_PHYS_SLOT 0x0100 /* physical slot (string property) */ +#define PCI_FILL_MODULE_ALIAS 0x0200 /* Linux kernel module alias (string property) */ +#define PCI_FILL_LABEL 0x0400 /* (string property) */ #define PCI_FILL_NUMA_NODE 0x0800 #define PCI_FILL_IO_FLAGS 0x1000 -#define PCI_FILL_DT_NODE 0x2000 /* Device tree node */ -#define PCI_FILL_RESCAN 0x00010000 +#define PCI_FILL_DT_NODE 0x2000 /* Device tree node (string property) */ +#define PCI_FILL_IOMMU_GROUP 0x4000 /* (string property) */ +#define PCI_FILL_BRIDGE_BASES 0x8000 +#define PCI_FILL_RESCAN 0x00010000 /* force re-scan of cached properties */ +#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; @@ -222,8 +258,11 @@ struct pci_cap *pci_find_cap_nr(struct pci_dev *, unsigned int id, unsigned int 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;