Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / ipxe / src / hci / commands / pci_cmd.c

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 (file)
index 0000000..f5145fb
--- /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,
+       },
+};