qemu

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/*
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 * QEMU IPMI emulation
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 *
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 * Copyright (c) 2015 Corey Minyard, MontaVista Software, LLC
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a copy
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 * of this software and associated documentation files (the "Software"), to deal
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 * in the Software without restriction, including without limitation the rights
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 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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 * copies of the Software, and to permit persons to whom the Software is
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 * furnished to do so, subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice shall be included in
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 * all copies or substantial portions of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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 * THE SOFTWARE.
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 */
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#include "qemu/osdep.h"
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#include "hw/ipmi/ipmi.h"
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#include "hw/qdev-properties.h"
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#include "qom/object_interfaces.h"
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#include "sysemu/runstate.h"
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#include "qapi/error.h"
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#include "qemu/module.h"
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#include "hw/nmi.h"
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static uint32_t ipmi_current_uuid = 1;
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uint32_t ipmi_next_uuid(void)
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{
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    return ipmi_current_uuid++;
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}
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static int ipmi_do_hw_op(IPMIInterface *s, enum ipmi_op op, int checkonly)
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{
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    switch (op) {
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    case IPMI_RESET_CHASSIS:
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        if (checkonly) {
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            return 0;
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        }
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        qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET);
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        return 0;
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    case IPMI_POWEROFF_CHASSIS:
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        if (checkonly) {
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            return 0;
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        }
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        qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_SHUTDOWN);
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        return 0;
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    case IPMI_SEND_NMI:
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        if (checkonly) {
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            return 0;
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        }
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        /* We don't care what CPU we use. */
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        nmi_monitor_handle(0, NULL);
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        return 0;
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    case IPMI_SHUTDOWN_VIA_ACPI_OVERTEMP:
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        if (checkonly) {
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            return 0;
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        }
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        qemu_system_powerdown_request();
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        return 0;
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    case IPMI_POWERCYCLE_CHASSIS:
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    case IPMI_PULSE_DIAG_IRQ:
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    case IPMI_POWERON_CHASSIS:
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    default:
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        return IPMI_CC_COMMAND_NOT_SUPPORTED;
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    }
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}
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static void ipmi_interface_class_init(ObjectClass *class, void *data)
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{
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    IPMIInterfaceClass *ik = IPMI_INTERFACE_CLASS(class);
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    ik->do_hw_op = ipmi_do_hw_op;
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}
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static const TypeInfo ipmi_interface_type_info = {
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    .name = TYPE_IPMI_INTERFACE,
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    .parent = TYPE_INTERFACE,
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    .class_size = sizeof(IPMIInterfaceClass),
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    .class_init = ipmi_interface_class_init,
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};
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static void isa_ipmi_bmc_check(const Object *obj, const char *name,
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                               Object *val, Error **errp)
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{
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    IPMIBmc *bmc = IPMI_BMC(val);
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    if (bmc->intf)
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        error_setg(errp, "BMC object is already in use");
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}
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void ipmi_bmc_find_and_link(Object *obj, Object **bmc)
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{
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    object_property_add_link(obj, "bmc", TYPE_IPMI_BMC, bmc,
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                             isa_ipmi_bmc_check,
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                             OBJ_PROP_LINK_STRONG);
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}
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static Property ipmi_bmc_properties[] = {
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    DEFINE_PROP_UINT8("slave_addr",  IPMIBmc, slave_addr, 0x20),
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    DEFINE_PROP_END_OF_LIST(),
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};
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static void bmc_class_init(ObjectClass *oc, void *data)
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{
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    DeviceClass *dc = DEVICE_CLASS(oc);
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    device_class_set_props(dc, ipmi_bmc_properties);
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}
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static const TypeInfo ipmi_bmc_type_info = {
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    .name = TYPE_IPMI_BMC,
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    .parent = TYPE_DEVICE,
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    .instance_size = sizeof(IPMIBmc),
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    .abstract = true,
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    .class_size = sizeof(IPMIBmcClass),
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    .class_init = bmc_class_init,
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};
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static void ipmi_register_types(void)
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{
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    type_register_static(&ipmi_interface_type_info);
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    type_register_static(&ipmi_bmc_type_info);
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}
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type_init(ipmi_register_types)
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