diff options
Diffstat (limited to 'util-linux')
| -rw-r--r-- | util-linux/Config.in | 9 | ||||
| -rw-r--r-- | util-linux/Kbuild | 1 | ||||
| -rw-r--r-- | util-linux/lspci.c | 103 |
3 files changed, 113 insertions, 0 deletions
diff --git a/util-linux/Config.in b/util-linux/Config.in index 9827145..94337df 100644 --- a/util-linux/Config.in +++ b/util-linux/Config.in @@ -348,6 +348,15 @@ config LOSETUP file or block device, and to query the status of a loop device. This version does not currently support enabling data encryption. +config LSPCI + bool "lspci" + default n + help + lspci is a utility for displaying information about PCI buses in the + system and devices connected to them. + + This version uses sysfs (/sys/bus/pci/devices) only. + config MDEV bool "mdev" default n diff --git a/util-linux/Kbuild b/util-linux/Kbuild index 89886cb..3004fd0 100644 --- a/util-linux/Kbuild +++ b/util-linux/Kbuild @@ -21,6 +21,7 @@ lib-$(CONFIG_HWCLOCK) += hwclock.o lib-$(CONFIG_IPCRM) += ipcrm.o lib-$(CONFIG_IPCS) += ipcs.o lib-$(CONFIG_LOSETUP) += losetup.o +lib-$(CONFIG_LSPCI) += lspci.o lib-$(CONFIG_MDEV) += mdev.o lib-$(CONFIG_MKFS_EXT2) += mkfs_ext2.o lib-$(CONFIG_MKFS_MINIX) += mkfs_minix.o diff --git a/util-linux/lspci.c b/util-linux/lspci.c new file mode 100644 index 0000000..752d4f5 --- /dev/null +++ b/util-linux/lspci.c @@ -0,0 +1,103 @@ +/* vi: set sw=4 ts=4: */ +/* +* lspci implementation for busybox +* +* Copyright (C) 2009 Malek Degachi <malek-degachi@laposte.net> +* +* Licensed under the GPL v2 or later, see the file LICENSE in this tarball. +*/ +#include <libbb.h> + +enum { + OPT_m = (1 << 0), + OPT_k = (1 << 1), +}; + +/* + * PCI_SLOT_NAME PCI_CLASS: PCI_VID:PCI_DID [PCI_SUBSYS_VID:PCI_SUBSYS_DID] [DRIVER] + */ +static int FAST_FUNC fileAction( + const char *fileName, + struct stat *statbuf UNUSED_PARAM, + void *userData UNUSED_PARAM, + int depth UNUSED_PARAM) +{ + parser_t *parser; + char *tokens[3]; + char *pci_slot_name = NULL, *driver = NULL; + int pci_class = 0, pci_vid = 0, pci_did = 0; + int pci_subsys_vid = 0, pci_subsys_did = 0; + + char *uevent_filename = concat_path_file(fileName, "/uevent"); + parser = config_open2(uevent_filename, fopen_for_read); + free(uevent_filename); + + while (config_read(parser, tokens, 3, 2, "\0:=", PARSE_NORMAL)) { + if (strcmp(tokens[0], "DRIVER") == 0) { + driver = xstrdup(tokens[1]); + continue; + } + + if (strcmp(tokens[0], "PCI_CLASS") == 0) { + pci_class = xstrtou(tokens[1], 16)>>8; + continue; + } + + if (strcmp(tokens[0], "PCI_ID") == 0) { + pci_vid = xstrtou(tokens[1], 16); + pci_did = xstrtou(tokens[2], 16); + continue; + } + + if (strcmp(tokens[0], "PCI_SUBSYS_ID") == 0) { + pci_subsys_vid = xstrtou(tokens[1], 16); + pci_subsys_did = xstrtou(tokens[2], 16); + continue; + } + + if (strcmp(tokens[0], "PCI_SLOT_NAME") == 0) { + pci_slot_name = xstrdup(tokens[2]); + continue; + } + } + config_close(parser); + + + if (option_mask32 & OPT_m) { + printf("%s \"Class %04x\" \"%04x\" \"%04x\" \"%04x\" \"%04x\"", + pci_slot_name, pci_class, pci_vid, pci_did, + pci_subsys_vid, pci_subsys_did); + } else { + printf("%s Class %04x: %04x:%04x", + pci_slot_name, pci_class, pci_vid, pci_did); + } + + if ((option_mask32 & OPT_k) && driver) { + if (option_mask32 & OPT_m) { + printf(" \"%s\"", driver); + } else { + printf(" %s", driver); + } + } + bb_putchar('\n'); + + free(driver); + free(pci_slot_name); + + return TRUE; +} + +int lspci_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; +int lspci_main(int argc UNUSED_PARAM, char **argv) +{ + getopt32(argv, "m" /*non-compat:*/ "k" /*ignored:*/ "nv"); + + recursive_action("/sys/bus/pci/devices", + ACTION_RECURSE, + fileAction, + NULL, /* dirAction */ + NULL, /* userData */ + 0 /* depth */); + + return EXIT_SUCCESS; +} |