Add a base IPMI interface
Add the basic IPMI types and infrastructure to QEMU. Low-level interfaces and simulation interfaces will register with this; it's kind of the go-between to tie them together. Signed-off-by: Corey Minyard <cminyard@mvista.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>stable-2.6
Corey Minyard
Michael S. Tsirkin
parent
13fc834308
commit
23076bb34b
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@ -9,6 +9,7 @@ CONFIG_VGA_CIRRUS=y
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CONFIG_VMWARE_VGA=y
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CONFIG_VIRTIO_VGA=y
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CONFIG_VMMOUSE=y
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CONFIG_IPMI=y
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CONFIG_SERIAL=y
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CONFIG_PARALLEL=y
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CONFIG_I8254=y
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@ -9,6 +9,7 @@ CONFIG_VGA_CIRRUS=y
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CONFIG_VMWARE_VGA=y
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CONFIG_VIRTIO_VGA=y
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CONFIG_VMMOUSE=y
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CONFIG_IPMI=y
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CONFIG_SERIAL=y
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CONFIG_PARALLEL=y
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CONFIG_I8254=y
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@ -13,6 +13,7 @@ devices-dirs-$(CONFIG_SOFTMMU) += ide/
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devices-dirs-$(CONFIG_SOFTMMU) += input/
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devices-dirs-$(CONFIG_SOFTMMU) += intc/
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devices-dirs-$(CONFIG_IPACK) += ipack/
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devices-dirs-$(CONFIG_IPMI) += ipmi/
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devices-dirs-$(CONFIG_SOFTMMU) += isa/
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devices-dirs-$(CONFIG_SOFTMMU) += misc/
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devices-dirs-$(CONFIG_SOFTMMU) += net/
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@ -0,0 +1 @@
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common-obj-$(CONFIG_IPMI) += ipmi.o
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@ -0,0 +1,125 @@
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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 "hw/hw.h"
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#include "hw/ipmi/ipmi.h"
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#include "sysemu/sysemu.h"
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#include "qmp-commands.h"
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#include "qom/object_interfaces.h"
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#include "qapi/visitor.h"
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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();
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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_powerdown_request();
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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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qemu_mutex_lock_iothread();
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qmp_inject_nmi(NULL);
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qemu_mutex_unlock_iothread();
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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_SHUTDOWN_VIA_ACPI_OVERTEMP:
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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 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(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_UNREF_ON_RELEASE,
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&error_abort);
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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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dc->props = ipmi_bmc_properties;
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}
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static 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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@ -0,0 +1,178 @@
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/*
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* IPMI base class
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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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#ifndef HW_IPMI_H
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#define HW_IPMI_H
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#include "exec/memory.h"
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#include "qemu-common.h"
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#include "hw/qdev.h"
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#define MAX_IPMI_MSG_SIZE 300
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enum ipmi_op {
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IPMI_RESET_CHASSIS,
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IPMI_POWEROFF_CHASSIS,
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IPMI_POWERON_CHASSIS,
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IPMI_POWERCYCLE_CHASSIS,
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IPMI_PULSE_DIAG_IRQ,
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IPMI_SHUTDOWN_VIA_ACPI_OVERTEMP,
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IPMI_SEND_NMI
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};
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#define IPMI_CC_INVALID_CMD 0xc1
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#define IPMI_CC_COMMAND_INVALID_FOR_LUN 0xc2
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#define IPMI_CC_TIMEOUT 0xc3
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#define IPMI_CC_OUT_OF_SPACE 0xc4
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#define IPMI_CC_INVALID_RESERVATION 0xc5
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#define IPMI_CC_REQUEST_DATA_TRUNCATED 0xc6
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#define IPMI_CC_REQUEST_DATA_LENGTH_INVALID 0xc7
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#define IPMI_CC_PARM_OUT_OF_RANGE 0xc9
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#define IPMI_CC_CANNOT_RETURN_REQ_NUM_BYTES 0xca
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#define IPMI_CC_REQ_ENTRY_NOT_PRESENT 0xcb
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#define IPMI_CC_INVALID_DATA_FIELD 0xcc
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#define IPMI_CC_BMC_INIT_IN_PROGRESS 0xd2
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#define IPMI_CC_COMMAND_NOT_SUPPORTED 0xd5
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#define IPMI_NETFN_APP 0x06
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#define IPMI_DEBUG 1
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/* Specified in the SMBIOS spec. */
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#define IPMI_SMBIOS_KCS 0x01
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#define IPMI_SMBIOS_SMIC 0x02
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#define IPMI_SMBIOS_BT 0x03
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#define IPMI_SMBIOS_SSIF 0x04
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/* IPMI Interface types (KCS, SMIC, BT) are prefixed with this */
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#define TYPE_IPMI_INTERFACE_PREFIX "ipmi-interface-"
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/*
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* An IPMI Interface, the interface for talking between the target
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* and the BMC.
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*/
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#define TYPE_IPMI_INTERFACE "ipmi-interface"
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#define IPMI_INTERFACE(obj) \
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INTERFACE_CHECK(IPMIInterface, (obj), TYPE_IPMI_INTERFACE)
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#define IPMI_INTERFACE_CLASS(class) \
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OBJECT_CLASS_CHECK(IPMIInterfaceClass, (class), TYPE_IPMI_INTERFACE)
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#define IPMI_INTERFACE_GET_CLASS(class) \
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OBJECT_GET_CLASS(IPMIInterfaceClass, (class), TYPE_IPMI_INTERFACE)
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typedef struct IPMIInterface {
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Object parent;
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} IPMIInterface;
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typedef struct IPMIInterfaceClass {
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InterfaceClass parent;
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void (*init)(struct IPMIInterface *s, Error **errp);
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/*
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* Perform various operations on the hardware. If checkonly is
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* true, it will return if the operation can be performed, but it
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* will not do the operation.
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*/
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int (*do_hw_op)(struct IPMIInterface *s, enum ipmi_op op, int checkonly);
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/*
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* Enable/disable irqs on the interface when the BMC requests this.
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*/
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void (*set_irq_enable)(struct IPMIInterface *s, int val);
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/*
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* Handle an event that occurred on the interface, generally the.
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* target writing to a register.
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*/
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void (*handle_if_event)(struct IPMIInterface *s);
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/*
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* The interfaces use this to perform certain ops
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*/
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void (*set_atn)(struct IPMIInterface *s, int val, int irq);
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/*
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* Got an IPMI warm/cold reset.
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*/
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void (*reset)(struct IPMIInterface *s, bool is_cold);
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/*
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* Handle a response from the bmc.
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*/
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void (*handle_rsp)(struct IPMIInterface *s, uint8_t msg_id,
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unsigned char *rsp, unsigned int rsp_len);
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/*
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* Set by the owner to hold the backend data for the interface.
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*/
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void *(*get_backend_data)(struct IPMIInterface *s);
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} IPMIInterfaceClass;
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/*
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* Define a BMC simulator (or perhaps a connection to a real BMC)
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*/
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#define TYPE_IPMI_BMC "ipmi-bmc"
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#define IPMI_BMC(obj) \
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OBJECT_CHECK(IPMIBmc, (obj), TYPE_IPMI_BMC)
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#define IPMI_BMC_CLASS(obj_class) \
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OBJECT_CLASS_CHECK(IPMIBmcClass, (obj_class), TYPE_IPMI_BMC)
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#define IPMI_BMC_GET_CLASS(obj) \
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OBJECT_GET_CLASS(IPMIBmcClass, (obj), TYPE_IPMI_BMC)
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typedef struct IPMIBmc {
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DeviceState parent;
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uint8_t slave_addr;
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IPMIInterface *intf;
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} IPMIBmc;
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typedef struct IPMIBmcClass {
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DeviceClass parent;
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/* Called when the system resets to report to the bmc. */
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void (*handle_reset)(struct IPMIBmc *s);
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/*
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* Handle a command to the bmc.
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*/
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void (*handle_command)(struct IPMIBmc *s,
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uint8_t *cmd, unsigned int cmd_len,
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unsigned int max_cmd_len,
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uint8_t msg_id);
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} IPMIBmcClass;
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/*
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* Add a link property to obj that points to a BMC.
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*/
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void ipmi_bmc_find_and_link(Object *obj, Object **bmc);
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#ifdef IPMI_DEBUG
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#define ipmi_debug(fs, ...) \
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fprintf(stderr, "IPMI (%s): " fs, __func__, ##__VA_ARGS__)
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#else
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#define ipmi_debug(fs, ...)
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#endif
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#endif
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@ -195,6 +195,8 @@ PCI and ISA network adapters
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@item
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Serial ports
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@item
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IPMI BMC, either and internal or external one
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@item
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Creative SoundBlaster 16 sound card
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@item
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ENSONIQ AudioPCI ES1370 sound card
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