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[iSCSI] Support Windows Server 2008 direct iSCSI installation

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Add yet another ugly hack to iscsiboot.c, this time to allow the user to
inhibit the shutdown/removal of the iSCSI INT13 device (and the network
devices, since they are required for the iSCSI device to function).

On the plus side, the fact that shutdown() now takes flags to
differentiate between shutdown-for-exit and shutdown-for-boot means that
another ugly hack (to allow returning via the PXE stack on BIOSes that
have broken INT 18 calls) will be easier.

I feel dirty.
This commit is contained in:
Michael Brown
2008-07-17 17:45:17 +01:00
parent 4e033c774b
commit 03c80c12b8
18 changed files with 115 additions and 51 deletions
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18
src/core/device.c
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@@ -20,6 +20,7 @@
#include <gpxe/list.h>
#include <gpxe/tables.h>
#include <gpxe/device.h>
#include <gpxe/init.h>
/**
* @file
@@ -68,13 +69,11 @@ static void rootdev_remove ( struct root_device *rootdev ) {
/**
* Probe all devices
*
* @ret rc Return status code
*
* 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.
*/
int probe_devices ( void ) {
static void probe_devices ( void ) {
struct root_device *rootdev;
int rc;
@@ -84,19 +83,28 @@ int probe_devices ( void ) {
if ( ( rc = rootdev_probe ( rootdev ) ) != 0 )
list_del ( &rootdev->dev.siblings );
}
return 0;
}
/**
* Remove all devices
*
*/
void remove_devices ( void ) {
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,
};