| 1 | /* |
| 2 | * QEMU IPMI emulation |
| 3 | * |
| 4 | * Copyright (c) 2015 Corey Minyard, MontaVista Software, LLC |
| 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 "qemu/osdep.h" |
| 26 | #include "hw/ipmi/ipmi.h" |
| 27 | #include "hw/core/qdev-properties.h" |
| 28 | #include "qom/object_interfaces.h" |
| 29 | #include "system/runstate.h" |
| 30 | #include "qapi/error.h" |
| 31 | #include "qemu/module.h" |
| 32 | #include "hw/core/nmi.h" |
| 33 | |
| 34 | static uint32_t ipmi_current_uuid = 1; |
| 35 | |
| 36 | uint32_t ipmi_next_uuid(void) |
| 37 | { |
| 38 | return ipmi_current_uuid++; |
| 39 | } |
| 40 | |
| 41 | static int ipmi_do_hw_op(IPMIInterface *s, enum ipmi_op op, int checkonly) |
| 42 | { |
| 43 | switch (op) { |
| 44 | case IPMI_RESET_CHASSIS: |
| 45 | if (checkonly) { |
| 46 | return 0; |
| 47 | } |
| 48 | qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET); |
| 49 | return 0; |
| 50 | |
| 51 | case IPMI_POWEROFF_CHASSIS: |
| 52 | if (checkonly) { |
| 53 | return 0; |
| 54 | } |
| 55 | qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_SHUTDOWN); |
| 56 | return 0; |
| 57 | |
| 58 | case IPMI_SEND_NMI: |
| 59 | if (checkonly) { |
| 60 | return 0; |
| 61 | } |
| 62 | nmi_inject(NULL); |
| 63 | return 0; |
| 64 | |
| 65 | case IPMI_SHUTDOWN_VIA_ACPI_OVERTEMP: |
| 66 | if (checkonly) { |
| 67 | return 0; |
| 68 | } |
| 69 | qemu_system_powerdown_request(); |
| 70 | return 0; |
| 71 | |
| 72 | case IPMI_POWERCYCLE_CHASSIS: |
| 73 | case IPMI_PULSE_DIAG_IRQ: |
| 74 | case IPMI_POWERON_CHASSIS: |
| 75 | default: |
| 76 | return IPMI_CC_COMMAND_NOT_SUPPORTED; |
| 77 | } |
| 78 | } |
| 79 | |
| 80 | static void ipmi_interface_class_init(ObjectClass *class, const void *data) |
| 81 | { |
| 82 | IPMIInterfaceClass *ik = IPMI_INTERFACE_CLASS(class); |
| 83 | |
| 84 | ik->do_hw_op = ipmi_do_hw_op; |
| 85 | } |
| 86 | |
| 87 | static const TypeInfo ipmi_interface_type_info = { |
| 88 | .name = TYPE_IPMI_INTERFACE, |
| 89 | .parent = TYPE_INTERFACE, |
| 90 | .class_size = sizeof(IPMIInterfaceClass), |
| 91 | .class_init = ipmi_interface_class_init, |
| 92 | }; |
| 93 | |
| 94 | static void isa_ipmi_bmc_check(const Object *obj, const char *name, |
| 95 | Object *val, Error **errp) |
| 96 | { |
| 97 | IPMIBmc *bmc = IPMI_BMC(val); |
| 98 | |
| 99 | if (!bmc) { |
| 100 | error_setg(errp, "%s cannot be set to NULL", name); |
| 101 | return; |
| 102 | } |
| 103 | |
| 104 | if (bmc->intf) { |
| 105 | error_setg(errp, "BMC object is already in use"); |
| 106 | } |
| 107 | } |
| 108 | |
| 109 | void ipmi_bmc_find_and_link(Object *obj, Object **bmc) |
| 110 | { |
| 111 | object_property_add_link(obj, "bmc", TYPE_IPMI_BMC, bmc, |
| 112 | isa_ipmi_bmc_check, |
| 113 | OBJ_PROP_LINK_STRONG); |
| 114 | } |
| 115 | |
| 116 | static const Property ipmi_bmc_properties[] = { |
| 117 | DEFINE_PROP_UINT8("slave_addr", IPMIBmc, slave_addr, 0x20), |
| 118 | }; |
| 119 | |
| 120 | static void bmc_class_init(ObjectClass *oc, const void *data) |
| 121 | { |
| 122 | DeviceClass *dc = DEVICE_CLASS(oc); |
| 123 | |
| 124 | device_class_set_props(dc, ipmi_bmc_properties); |
| 125 | } |
| 126 | |
| 127 | static const TypeInfo ipmi_bmc_type_info = { |
| 128 | .name = TYPE_IPMI_BMC, |
| 129 | .parent = TYPE_DEVICE, |
| 130 | .instance_size = sizeof(IPMIBmc), |
| 131 | .abstract = true, |
| 132 | .class_size = sizeof(IPMIBmcClass), |
| 133 | .class_init = bmc_class_init, |
| 134 | }; |
| 135 | |
| 136 | static void ipmi_register_types(void) |
| 137 | { |
| 138 | type_register_static(&ipmi_interface_type_info); |
| 139 | type_register_static(&ipmi_bmc_type_info); |
| 140 | } |
| 141 | |
| 142 | type_init(ipmi_register_types) |