hw/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.h"
  26 #include "boards.h"
  27 #include "net.h"
  28 #include "block_int.h"
  29 #include "sysemu.h"
  30
  31 DriveInfo *add_init_drive(const char *optstr)
  32 {
  33     int fatal_error;
  34     DriveInfo *dinfo;
  35     QemuOpts *opts;
  36
  37     opts = drive_add(NULL, "%s", optstr);
  38     if (!opts)
  39         return NULL;
  40
  41     dinfo = drive_init(opts, current_machine, &fatal_error);
  42     if (!dinfo) {
  43         qemu_opts_del(opts);
  44         return NULL;
  45     }
  46
  47     return dinfo;
  48 }
  49
  50 void destroy_nic(dev_match_fn *match_fn, void *arg)
  51 {
  52     int i;
  53     NICInfo *nic;
  54
  55     for (i = 0; i < MAX_NICS; i++) {
  56         nic = &nd_table[i];
  57         if (nic->used) {
  58             if (nic->private && match_fn(nic->private, arg)) {
  59                 qemu_del_vlan_client(nic->vc);
  60                 net_client_uninit(nic);
  61             }
  62         }
  63     }
  64 }
  65
  66 void destroy_bdrvs(dev_match_fn *match_fn, void *arg)
  67 {
  68     DriveInfo *dinfo;
  69     struct BlockDriverState *bs;
  70
  71     QTAILQ_FOREACH(dinfo, &drives, next) {
  72         bs = dinfo->bdrv;
  73         if (bs) {
  74             if (bs->private && match_fn(bs->private, arg)) {
  75                 drive_uninit(bs);
  76                 bdrv_delete(bs);
  77             }
  78         }
  79     }
  80 }
  81
  82