qemu-e2k/hw/device-hotplug.c

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/*
* QEMU device hotplug helpers
*
* Copyright (c) 2004 Fabrice Bellard
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "hw.h"
#include "boards.h"
#include "net.h"
#include "blockdev.h"
#include "qemu-config.h"
#include "sysemu.h"
#include "monitor.h"
DriveInfo *add_init_drive(const char *optstr)
{
DriveInfo *dinfo;
QemuOpts *opts;
opts = drive_def(optstr);
if (!opts)
return NULL;
dinfo = drive_init(opts, current_machine->use_scsi);
if (!dinfo) {
qemu_opts_del(opts);
return NULL;
}
return dinfo;
}
#if !defined(TARGET_I386)
int pci_drive_hot_add(Monitor *mon, const QDict *qdict,
DriveInfo *dinfo, int type)
{
/* On non-x86 we don't do PCI hotplug */
monitor_printf(mon, "Can't hot-add drive to type %d\n", type);
return -1;
}
#endif
void drive_hot_add(Monitor *mon, const QDict *qdict)
{
int type;
DriveInfo *dinfo = NULL;
const char *opts = qdict_get_str(qdict, "opts");
dinfo = add_init_drive(opts);
if (!dinfo) {
goto err;
}
if (dinfo->devaddr) {
monitor_printf(mon, "Parameter addr not supported\n");
goto err;
}
type = dinfo->type;
switch (type) {
case IF_NONE:
monitor_printf(mon, "OK\n");
break;
default:
if (pci_drive_hot_add(mon, qdict, dinfo, type)) {
goto err;
}
}
return;
err:
if (dinfo) {
drive_put_ref(dinfo);
}
return;
}