LXR qemu/device-hotplug.c

   1/*
   2 * QEMU device hotplug helpers
   3 *
   4 * Copyright (c) 2004 Fabrice Bellard
   5 *
   6 * Permission is hereby granted, free of charge, to any person obtaining a copy
   7 * of this software and associated documentation files (the "Software"), to deal
   8 * in the Software without restriction, including without limitation the rights
   9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  10 * copies of the Software, and to permit persons to whom the Software is
  11 * furnished to do so, subject to the following conditions:
  12 *
  13 * The above copyright notice and this permission notice shall be included in
  14 * all copies or substantial portions of the Software.
  15 *
  16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  22 * THE SOFTWARE.
  23 */
  24
  25#include "hw/hw.h"
  26#include "hw/boards.h"
  27#include "sysemu/blockdev.h"
  28#include "qemu/config-file.h"
  29#include "sysemu/sysemu.h"
  30#include "monitor/monitor.h"
  31
  32DriveInfo *add_init_drive(const char *optstr)
  33{
  34    DriveInfo *dinfo;
  35    QemuOpts *opts;
  36    MachineClass *mc;
  37
  38    opts = drive_def(optstr);
  39    if (!opts)
  40        return NULL;
  41
  42    mc = MACHINE_GET_CLASS(current_machine);
  43    dinfo = drive_new(opts, mc->block_default_type);
  44    if (!dinfo) {
  45        qemu_opts_del(opts);
  46        return NULL;
  47    }
  48
  49    return dinfo;
  50}
  51
  52void drive_hot_add(Monitor *mon, const QDict *qdict)
  53{
  54    DriveInfo *dinfo = NULL;
  55    const char *opts = qdict_get_str(qdict, "opts");
  56
  57    dinfo = add_init_drive(opts);
  58    if (!dinfo) {
  59        goto err;
  60    }
  61    if (dinfo->devaddr) {
  62        monitor_printf(mon, "Parameter addr not supported\n");
  63        goto err;
  64    }
  65
  66    switch (dinfo->type) {
  67    case IF_NONE:
  68        monitor_printf(mon, "OK\n");
  69        break;
  70    default:
  71        if (pci_drive_hot_add(mon, qdict, dinfo)) {
  72            goto err;
  73        }
  74    }
  75    return;
  76
  77err:
  78    if (dinfo) {
  79        drive_del(dinfo);
  80    }
  81}
  82