8406115834
Access to the gpxe.org and etherboot.org domains and associated resources has been revoked by the registrant of the domain. Work around this problem by renaming project from gPXE to iPXE, and updating URLs to match. Also update README, LOG and COPYRIGHTS to remove obsolete information. Signed-off-by: Michael Brown <mcb30@ipxe.org>
108 lines
2.6 KiB
C
108 lines
2.6 KiB
C
/*
|
|
* Copyright (C) 2006 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., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
*/
|
|
|
|
FILE_LICENCE ( GPL2_OR_LATER );
|
|
|
|
#include <string.h>
|
|
#include <ipxe/list.h>
|
|
#include <ipxe/tables.h>
|
|
#include <ipxe/device.h>
|
|
#include <ipxe/init.h>
|
|
|
|
/**
|
|
* @file
|
|
*
|
|
* Device model
|
|
*
|
|
*/
|
|
|
|
/** Registered root devices */
|
|
static LIST_HEAD ( devices );
|
|
|
|
/**
|
|
* Probe a root device
|
|
*
|
|
* @v rootdev Root device
|
|
* @ret rc Return status code
|
|
*/
|
|
static int rootdev_probe ( struct root_device *rootdev ) {
|
|
int rc;
|
|
|
|
DBG ( "Adding %s root bus\n", rootdev->dev.name );
|
|
if ( ( rc = rootdev->driver->probe ( rootdev ) ) != 0 ) {
|
|
DBG ( "Failed to add %s root bus: %s\n",
|
|
rootdev->dev.name, strerror ( rc ) );
|
|
return rc;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Remove a root device
|
|
*
|
|
* @v rootdev Root device
|
|
*/
|
|
static void rootdev_remove ( struct root_device *rootdev ) {
|
|
rootdev->driver->remove ( rootdev );
|
|
DBG ( "Removed %s root bus\n", rootdev->dev.name );
|
|
}
|
|
|
|
/**
|
|
* Probe all devices
|
|
*
|
|
* This initiates probing for all devices in the system. After this
|
|
* call, the device hierarchy will be populated, and all hardware
|
|
* should be ready to use.
|
|
*/
|
|
static void probe_devices ( void ) {
|
|
struct root_device *rootdev;
|
|
int rc;
|
|
|
|
for_each_table_entry ( rootdev, ROOT_DEVICES ) {
|
|
list_add ( &rootdev->dev.siblings, &devices );
|
|
INIT_LIST_HEAD ( &rootdev->dev.children );
|
|
if ( ( rc = rootdev_probe ( rootdev ) ) != 0 )
|
|
list_del ( &rootdev->dev.siblings );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Remove all devices
|
|
*
|
|
*/
|
|
static void remove_devices ( int flags ) {
|
|
struct root_device *rootdev;
|
|
struct root_device *tmp;
|
|
|
|
if ( flags & SHUTDOWN_KEEP_DEVICES ) {
|
|
DBG ( "Refusing to remove devices on shutdown\n" );
|
|
return;
|
|
}
|
|
|
|
list_for_each_entry_safe ( rootdev, tmp, &devices, dev.siblings ) {
|
|
rootdev_remove ( rootdev );
|
|
list_del ( &rootdev->dev.siblings );
|
|
}
|
|
}
|
|
|
|
struct startup_fn startup_devices __startup_fn ( STARTUP_NORMAL ) = {
|
|
.startup = probe_devices,
|
|
.shutdown = remove_devices,
|
|
};
|