projects / mirror_qemu.git / blame
| Commit | Line | Data |
|---|---|---|
| 9cb805fd AK |
1 | /* |
| 2 | * NMI monitor handler class and helpers. | |
| 3 | * | |
| 4 | * Copyright IBM Corp., 2014 | |
| 5 | * | |
| 6 | * Author: Alexey Kardashevskiy <aik@ozlabs.ru> | |
| 7 | * | |
| 8 | * This program is free software; you can redistribute it and/or modify | |
| 9 | * it under the terms of the GNU General Public License as published by | |
| 10 | * the Free Software Foundation; either version 2 of the License, | |
| 11 | * or (at your option) any later version. | |
| 12 | * | |
| 13 | * This program is distributed in the hope that it will be useful, | |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 16 | * GNU General Public License for more details. | |
| 17 | * | |
| 18 | * You should have received a copy of the GNU General Public License | |
| 19 | * along with this program; if not, see <http://www.gnu.org/licenses/>. | |
| 20 | */ | |
| 21 | ||
| 22 | #include "hw/nmi.h" | |
| 23 | #include "qapi/qmp/qerror.h" | |
| 24 | ||
| 25 | struct do_nmi_s { | |
| 26 | int cpu_index; | |
| 27 | Error *errp; | |
| 28 | bool handled; | |
| 29 | }; | |
| 30 | ||
| 31 | static void nmi_children(Object *o, struct do_nmi_s *ns); | |
| 32 | ||
| 33 | static int do_nmi(Object *o, void *opaque) | |
| 34 | { | |
| 35 | struct do_nmi_s *ns = opaque; | |
| 36 | NMIState *n = (NMIState *) object_dynamic_cast(o, TYPE_NMI); | |
| 37 | ||
| 38 | if (n) { | |
| 39 | NMIClass *nc = NMI_GET_CLASS(n); | |
| 40 | ||
| 41 | ns->handled = true; | |
| 42 | nc->nmi_monitor_handler(n, ns->cpu_index, &ns->errp); | |
| 43 | if (ns->errp) { | |
| 44 | return -1; | |
| 45 | } | |
| 46 | } | |
| 47 | nmi_children(o, ns); | |
| 48 | ||
| 49 | return 0; | |
| 50 | } | |
| 51 | ||
| 52 | static void nmi_children(Object *o, struct do_nmi_s *ns) | |
| 53 | { | |
| 54 | object_child_foreach(o, do_nmi, ns); | |
| 55 | } | |
| 56 | ||
| 57 | void nmi_monitor_handle(int cpu_index, Error **errp) | |
| 58 | { | |
| 59 | struct do_nmi_s ns = { | |
| 60 | .cpu_index = cpu_index, | |
| 61 | .errp = NULL, | |
| 62 | .handled = false | |
| 63 | }; | |
| 64 | ||
| 65 | nmi_children(object_get_root(), &ns); | |
| 66 | if (ns.handled) { | |
| 67 | error_propagate(errp, ns.errp); | |
| 68 | } else { | |
| 69 | error_set(errp, QERR_UNSUPPORTED); | |
| 70 | } | |
| 71 | } | |
| 72 | ||
| 73 | static const TypeInfo nmi_info = { | |
| 74 | .name = TYPE_NMI, | |
| 75 | .parent = TYPE_INTERFACE, | |
| 76 | .class_size = sizeof(NMIClass), | |
| 77 | }; | |
| 78 | ||
| 79 | static void nmi_register_types(void) | |
| 80 | { | |
| 81 | type_register_static(&nmi_info); | |
| 82 | } | |
| 83 | ||
| 84 | type_init(nmi_register_types) |