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/hw.h" 27 #include "hw/ipmi/ipmi.h" 28 #include "sysemu/sysemu.h" 29 #include "qmp-commands.h" 30 #include "qom/object_interfaces.h" 31 #include "qapi/visitor.h" 32 33 static uint32_t ipmi_current_uuid = 1; 34 35 uint32_t ipmi_next_uuid(void) 36 { 37 return ipmi_current_uuid++; 38 } 39 40 static int ipmi_do_hw_op(IPMIInterface *s, enum ipmi_op op, int checkonly) 41 { 42 switch (op) { 43 case IPMI_RESET_CHASSIS: 44 if (checkonly) { 45 return 0; 46 } 47 qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET); 48 return 0; 49 50 case IPMI_POWEROFF_CHASSIS: 51 if (checkonly) { 52 return 0; 53 } 54 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_SHUTDOWN); 55 return 0; 56 57 case IPMI_SEND_NMI: 58 if (checkonly) { 59 return 0; 60 } 61 qmp_inject_nmi(NULL); 62 return 0; 63 64 case IPMI_SHUTDOWN_VIA_ACPI_OVERTEMP: 65 if (checkonly) { 66 return 0; 67 } 68 qemu_system_powerdown_request(); 69 return 0; 70 71 case IPMI_POWERCYCLE_CHASSIS: 72 case IPMI_PULSE_DIAG_IRQ: 73 case IPMI_POWERON_CHASSIS: 74 default: 75 return IPMI_CC_COMMAND_NOT_SUPPORTED; 76 } 77 } 78 79 static void ipmi_interface_class_init(ObjectClass *class, void *data) 80 { 81 IPMIInterfaceClass *ik = IPMI_INTERFACE_CLASS(class); 82 83 ik->do_hw_op = ipmi_do_hw_op; 84 } 85 86 static TypeInfo ipmi_interface_type_info = { 87 .name = TYPE_IPMI_INTERFACE, 88 .parent = TYPE_INTERFACE, 89 .class_size = sizeof(IPMIInterfaceClass), 90 .class_init = ipmi_interface_class_init, 91 }; 92 93 static void isa_ipmi_bmc_check(const Object *obj, const char *name, 94 Object *val, Error **errp) 95 { 96 IPMIBmc *bmc = IPMI_BMC(val); 97 98 if (bmc->intf) 99 error_setg(errp, "BMC object is already in use"); 100 } 101 102 void ipmi_bmc_find_and_link(Object *obj, Object **bmc) 103 { 104 object_property_add_link(obj, "bmc", TYPE_IPMI_BMC, bmc, 105 isa_ipmi_bmc_check, 106 OBJ_PROP_LINK_UNREF_ON_RELEASE, 107 &error_abort); 108 } 109 110 static Property ipmi_bmc_properties[] = { 111 DEFINE_PROP_UINT8("slave_addr", IPMIBmc, slave_addr, 0x20), 112 DEFINE_PROP_END_OF_LIST(), 113 }; 114 115 static void bmc_class_init(ObjectClass *oc, void *data) 116 { 117 DeviceClass *dc = DEVICE_CLASS(oc); 118 119 dc->props = ipmi_bmc_properties; 120 } 121 122 static TypeInfo ipmi_bmc_type_info = { 123 .name = TYPE_IPMI_BMC, 124 .parent = TYPE_DEVICE, 125 .instance_size = sizeof(IPMIBmc), 126 .abstract = true, 127 .class_size = sizeof(IPMIBmcClass), 128 .class_init = bmc_class_init, 129 }; 130 131 static void ipmi_register_types(void) 132 { 133 type_register_static(&ipmi_interface_type_info); 134 type_register_static(&ipmi_bmc_type_info); 135 } 136 137 type_init(ipmi_register_types) 138