[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/app/busybox/src/util-linux/lspci.c b/ap/app/busybox/src/util-linux/lspci.c
new file mode 100644
index 0000000..514678a
--- /dev/null
+++ b/ap/app/busybox/src/util-linux/lspci.c
@@ -0,0 +1,112 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * lspci implementation for busybox
+ *
+ * Copyright (C) 2009 Malek Degachi <malek-degachi@laposte.net>
+ *
+ * Licensed under GPLv2 or later, see file LICENSE in this source tree.
+ */
+
+//usage:#define lspci_trivial_usage
+//usage: "[-mk]"
+//usage:#define lspci_full_usage "\n\n"
+//usage: "List all PCI devices"
+//usage: "\n"
+//usage: "\n -m Parsable output"
+//usage: "\n -k Show driver"
+
+#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;
+}