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 int add_init_drive(const char *opts)
  32 {
  33     int drive_opt_idx, drive_idx;
  34     int ret = -1;
  35
  36     drive_opt_idx = drive_add(NULL, "%s", opts);
  37     if (!drive_opt_idx)
  38         return ret;
  39
  40     drive_idx = drive_init(&drives_opt[drive_opt_idx], 0, current_machine);
  41     if (drive_idx == -1) {
  42         drive_remove(drive_opt_idx);
  43         return ret;
  44     }
  45
  46     return drive_idx;
  47 }
  48
  49 void destroy_nic(dev_match_fn *match_fn, void *arg)
  50 {
  51     int i;
  52     NICInfo *nic;
  53
  54     for (i = 0; i < MAX_NICS; i++) {
  55         nic = &nd_table[i];
  56         if (nic->used) {
  57             if (nic->private && match_fn(nic->private, arg)) {
  58                 if (nic->vlan) {
  59                     VLANClientState *vc;
  60                     vc = qemu_find_vlan_client(nic->vlan, nic->private);
  61                     if (vc)
  62                         qemu_del_vlan_client(vc);
  63                 }
  64                 net_client_uninit(nic);
  65             }
  66         }
  67     }
  68 }
  69
  70 void destroy_bdrvs(dev_match_fn *match_fn, void *arg)
  71 {
  72     int i;
  73     struct BlockDriverState *bs;
  74
  75     for (i = 0; i <= MAX_DRIVES; i++) {
  76         bs = drives_table[i].bdrv;
  77         if (bs) {
  78             if (bs->private && match_fn(bs->private, arg)) {
  79                 drive_uninit(bs);
  80                 bdrv_delete(bs);
  81             }
  82         }
  83     }
  84 }
  85
  86