X-Git-Url: http://mj.ucw.cz/gitweb/?a=blobdiff_plain;ds=sidebyside;f=lib%2Fpci.h;h=d309cbba6bc3c87f317b8da3cb62dee09ec108ea;hb=7d23054d18402b1891343f090d3cd37d7e83c82f;hp=41a162b9a3970bf29178ae2373dbdf4bde94ac2d;hpb=637ad022fcc53da9ef84d11f9772bcb02c0d02ea;p=pciutils.git diff --git a/lib/pci.h b/lib/pci.h index 41a162b..d309cbb 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--2023 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 @@ -15,8 +17,9 @@ #include "header.h" #include "types.h" +#include "bitops.h" -#define PCI_LIB_VERSION 0x030800 +#define PCI_LIB_VERSION 0x030a00 #ifndef PCI_ABI #define PCI_ABI @@ -44,7 +47,11 @@ enum pci_access_type { 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_MAX }; @@ -81,9 +88,9 @@ struct pci_access { 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 */ @@ -158,7 +165,7 @@ 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 for use by the back-end */ + 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 */ }; @@ -167,14 +174,17 @@ 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; /*