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authorSouf Oued <souf_oued@yahoo.fr>2009-12-05 16:56:25 (GMT)
committer Denys Vlasenko <vda.linux@googlemail.com>2009-12-05 16:56:25 (GMT)
commit982bc7176d04d9d3e2b40c4ddba24eab9f02dc4d (patch)
tree83eb0a5773b6cfa3fb383165bc7fb188a9acd4ec
parentf92874e747dae948fdfacf53537f554ccee7bd54 (diff)
downloadbusybox-982bc7176d04d9d3e2b40c4ddba24eab9f02dc4d.tar.gz
busybox-982bc7176d04d9d3e2b40c4ddba24eab9f02dc4d.tar.bz2
lspci: new applet. +573 bytes
Signed-off-by: Souf Oued <souf_oued@yahoo.fr> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
-rw-r--r--include/applets.h1
-rw-r--r--include/usage.h8
-rw-r--r--util-linux/Config.in9
-rw-r--r--util-linux/Kbuild1
-rw-r--r--util-linux/lspci.c103
5 files changed, 122 insertions, 0 deletions
diff --git a/include/applets.h b/include/applets.h
index d1a84ee..7d5d440 100644
--- a/include/applets.h
+++ b/include/applets.h
@@ -246,6 +246,7 @@ IF_LS(APPLET_NOEXEC(ls, ls, _BB_DIR_BIN, _BB_SUID_DROP, ls))
IF_LSATTR(APPLET(lsattr, _BB_DIR_BIN, _BB_SUID_DROP))
IF_LSMOD(APPLET(lsmod, _BB_DIR_SBIN, _BB_SUID_DROP))
IF_MODPROBE_SMALL(APPLET_ODDNAME(lsmod, modprobe, _BB_DIR_SBIN, _BB_SUID_DROP, modprobe))
+IF_LSPCI(APPLET(lspci, _BB_DIR_SBIN, _BB_SUID_DROP))
IF_UNLZMA(APPLET_ODDNAME(lzmacat, unlzma, _BB_DIR_USR_BIN, _BB_SUID_DROP, lzmacat))
IF_LZOP(APPLET(lzop, _BB_DIR_BIN, _BB_SUID_DROP))
IF_LZOP(APPLET_ODDNAME(lzopcat, lzop, _BB_DIR_USR_BIN, _BB_SUID_DROP, lzopcat))
diff --git a/include/usage.h b/include/usage.h
index 1505ac3..6b27384 100644
--- a/include/usage.h
+++ b/include/usage.h
@@ -2502,6 +2502,14 @@
#define lsmod_full_usage "\n\n" \
"List the currently loaded kernel modules"
+#define lspci_trivial_usage \
+ "[-mk]"
+#define lspci_full_usage "\n\n" \
+ "List all PCI devices" \
+ "\n" \
+ "\n -m Parseable output" \
+ "\n -k Show driver" \
+
#if ENABLE_FEATURE_MAKEDEVS_LEAF
#define makedevs_trivial_usage \
"NAME TYPE MAJOR MINOR FIRST LAST [s]"
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;
+}