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authorYang Zhang <yang.z.zhang@intel.com>2015-08-28 09:58:54 +0800
committerYang Zhang <yang.z.zhang@intel.com>2015-09-01 12:44:00 +0800
commite44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch)
tree66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/ipxe/src/hci/commands/pci_cmd.c
parent9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff)
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/roms/ipxe/src/hci/commands/pci_cmd.c')
-rw-r--r--qemu/roms/ipxe/src/hci/commands/pci_cmd.c114
1 files changed, 114 insertions, 0 deletions
diff --git a/qemu/roms/ipxe/src/hci/commands/pci_cmd.c b/qemu/roms/ipxe/src/hci/commands/pci_cmd.c
new file mode 100644
index 000000000..f5145fb35
--- /dev/null
+++ b/qemu/roms/ipxe/src/hci/commands/pci_cmd.c
@@ -0,0 +1,114 @@
+/*
+ * Copyright (C) 2013 Michael Brown <mbrown@fensystems.co.uk>.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+#include <stdio.h>
+#include <getopt.h>
+#include <ipxe/pci.h>
+#include <ipxe/command.h>
+#include <ipxe/parseopt.h>
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+/** @file
+ *
+ * PCI commands
+ *
+ */
+
+/** "pciscan" options */
+struct pciscan_options {};
+
+/** "pciscan" option list */
+static struct option_descriptor pciscan_opts[] = {};
+
+/** "pciscan" command descriptor */
+static struct command_descriptor pciscan_cmd =
+ COMMAND_DESC ( struct pciscan_options, pciscan_opts, 1, 1,
+ "<setting>" );
+
+/**
+ * "pciscan" command
+ *
+ * @v argc Argument count
+ * @v argv Argument list
+ * @ret rc Return status code
+ */
+static int pciscan_exec ( int argc, char **argv ) {
+ struct pciscan_options opts;
+ struct named_setting setting;
+ struct pci_device pci;
+ unsigned long prev;
+ int next;
+ int len;
+ int rc;
+
+ /* Parse options */
+ if ( ( rc = parse_options ( argc, argv, &pciscan_cmd, &opts ) ) != 0 )
+ goto err_parse_options;
+
+ /* Parse setting name */
+ if ( ( rc = parse_autovivified_setting ( argv[optind],
+ &setting ) ) != 0 )
+ goto err_parse_setting;
+
+ /* Determine starting bus:dev.fn address */
+ if ( ( len = fetchn_setting ( setting.settings, &setting.setting,
+ NULL, &setting.setting, &prev ) ) < 0 ) {
+ /* Setting not yet defined: start searching from 00:00.0 */
+ prev = 0;
+ } else {
+ /* Setting is defined: start searching from next location */
+ prev++;
+ }
+
+ /* Find next existent PCI device */
+ if ( ( next = pci_find_next ( &pci, prev ) ) < 0 ) {
+ rc = next;
+ goto err_find_next;
+ }
+
+ /* Apply default type if necessary. Use ":uint16" rather than
+ * ":busdevfn" to allow for easy inclusion within a
+ * "${pci/${location}.x.y}" constructed setting.
+ */
+ if ( ! setting.setting.type )
+ setting.setting.type = &setting_type_uint16;
+
+ /* Store setting */
+ if ( ( rc = storen_setting ( setting.settings, &setting.setting,
+ next ) ) != 0 ) {
+ printf ( "Could not store \"%s\": %s\n",
+ setting.setting.name, strerror ( rc ) );
+ goto err_store;
+ }
+
+ err_store:
+ err_find_next:
+ err_parse_setting:
+ err_parse_options:
+ return rc;
+}
+
+/** PCI commands */
+struct command pci_commands[] __command = {
+ {
+ .name = "pciscan",
+ .exec = pciscan_exec,
+ },
+};