qemu-e2k/hw/ipmi/ipmi.c

153 lines
4.2 KiB
C

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