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>
This commit is contained in:
Corey Minyard 2015-12-17 12:50:04 -06:00 committed by Michael S. Tsirkin
parent 13fc834308
commit 23076bb34b
7 changed files with 309 additions and 0 deletions

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@ -9,6 +9,7 @@ CONFIG_VGA_CIRRUS=y
CONFIG_VMWARE_VGA=y
CONFIG_VIRTIO_VGA=y
CONFIG_VMMOUSE=y
CONFIG_IPMI=y
CONFIG_SERIAL=y
CONFIG_PARALLEL=y
CONFIG_I8254=y

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@ -9,6 +9,7 @@ CONFIG_VGA_CIRRUS=y
CONFIG_VMWARE_VGA=y
CONFIG_VIRTIO_VGA=y
CONFIG_VMMOUSE=y
CONFIG_IPMI=y
CONFIG_SERIAL=y
CONFIG_PARALLEL=y
CONFIG_I8254=y

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@ -13,6 +13,7 @@ devices-dirs-$(CONFIG_SOFTMMU) += ide/
devices-dirs-$(CONFIG_SOFTMMU) += input/
devices-dirs-$(CONFIG_SOFTMMU) += intc/
devices-dirs-$(CONFIG_IPACK) += ipack/
devices-dirs-$(CONFIG_IPMI) += ipmi/
devices-dirs-$(CONFIG_SOFTMMU) += isa/
devices-dirs-$(CONFIG_SOFTMMU) += misc/
devices-dirs-$(CONFIG_SOFTMMU) += net/

1
hw/ipmi/Makefile.objs Normal file
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@ -0,0 +1 @@
common-obj-$(CONFIG_IPMI) += ipmi.o

125
hw/ipmi/ipmi.c Normal file
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@ -0,0 +1,125 @@
/*
* 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)

178
include/hw/ipmi/ipmi.h Normal file
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@ -0,0 +1,178 @@
/*
* IPMI base class
*
* 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.
*/
#ifndef HW_IPMI_H
#define HW_IPMI_H
#include "exec/memory.h"
#include "qemu-common.h"
#include "hw/qdev.h"
#define MAX_IPMI_MSG_SIZE 300
enum ipmi_op {
IPMI_RESET_CHASSIS,
IPMI_POWEROFF_CHASSIS,
IPMI_POWERON_CHASSIS,
IPMI_POWERCYCLE_CHASSIS,
IPMI_PULSE_DIAG_IRQ,
IPMI_SHUTDOWN_VIA_ACPI_OVERTEMP,
IPMI_SEND_NMI
};
#define IPMI_CC_INVALID_CMD 0xc1
#define IPMI_CC_COMMAND_INVALID_FOR_LUN 0xc2
#define IPMI_CC_TIMEOUT 0xc3
#define IPMI_CC_OUT_OF_SPACE 0xc4
#define IPMI_CC_INVALID_RESERVATION 0xc5
#define IPMI_CC_REQUEST_DATA_TRUNCATED 0xc6
#define IPMI_CC_REQUEST_DATA_LENGTH_INVALID 0xc7
#define IPMI_CC_PARM_OUT_OF_RANGE 0xc9
#define IPMI_CC_CANNOT_RETURN_REQ_NUM_BYTES 0xca
#define IPMI_CC_REQ_ENTRY_NOT_PRESENT 0xcb
#define IPMI_CC_INVALID_DATA_FIELD 0xcc
#define IPMI_CC_BMC_INIT_IN_PROGRESS 0xd2
#define IPMI_CC_COMMAND_NOT_SUPPORTED 0xd5
#define IPMI_NETFN_APP 0x06
#define IPMI_DEBUG 1
/* Specified in the SMBIOS spec. */
#define IPMI_SMBIOS_KCS 0x01
#define IPMI_SMBIOS_SMIC 0x02
#define IPMI_SMBIOS_BT 0x03
#define IPMI_SMBIOS_SSIF 0x04
/* IPMI Interface types (KCS, SMIC, BT) are prefixed with this */
#define TYPE_IPMI_INTERFACE_PREFIX "ipmi-interface-"
/*
* An IPMI Interface, the interface for talking between the target
* and the BMC.
*/
#define TYPE_IPMI_INTERFACE "ipmi-interface"
#define IPMI_INTERFACE(obj) \
INTERFACE_CHECK(IPMIInterface, (obj), TYPE_IPMI_INTERFACE)
#define IPMI_INTERFACE_CLASS(class) \
OBJECT_CLASS_CHECK(IPMIInterfaceClass, (class), TYPE_IPMI_INTERFACE)
#define IPMI_INTERFACE_GET_CLASS(class) \
OBJECT_GET_CLASS(IPMIInterfaceClass, (class), TYPE_IPMI_INTERFACE)
typedef struct IPMIInterface {
Object parent;
} IPMIInterface;
typedef struct IPMIInterfaceClass {
InterfaceClass parent;
void (*init)(struct IPMIInterface *s, Error **errp);
/*
* Perform various operations on the hardware. If checkonly is
* true, it will return if the operation can be performed, but it
* will not do the operation.
*/
int (*do_hw_op)(struct IPMIInterface *s, enum ipmi_op op, int checkonly);
/*
* Enable/disable irqs on the interface when the BMC requests this.
*/
void (*set_irq_enable)(struct IPMIInterface *s, int val);
/*
* Handle an event that occurred on the interface, generally the.
* target writing to a register.
*/
void (*handle_if_event)(struct IPMIInterface *s);
/*
* The interfaces use this to perform certain ops
*/
void (*set_atn)(struct IPMIInterface *s, int val, int irq);
/*
* Got an IPMI warm/cold reset.
*/
void (*reset)(struct IPMIInterface *s, bool is_cold);
/*
* Handle a response from the bmc.
*/
void (*handle_rsp)(struct IPMIInterface *s, uint8_t msg_id,
unsigned char *rsp, unsigned int rsp_len);
/*
* Set by the owner to hold the backend data for the interface.
*/
void *(*get_backend_data)(struct IPMIInterface *s);
} IPMIInterfaceClass;
/*
* Define a BMC simulator (or perhaps a connection to a real BMC)
*/
#define TYPE_IPMI_BMC "ipmi-bmc"
#define IPMI_BMC(obj) \
OBJECT_CHECK(IPMIBmc, (obj), TYPE_IPMI_BMC)
#define IPMI_BMC_CLASS(obj_class) \
OBJECT_CLASS_CHECK(IPMIBmcClass, (obj_class), TYPE_IPMI_BMC)
#define IPMI_BMC_GET_CLASS(obj) \
OBJECT_GET_CLASS(IPMIBmcClass, (obj), TYPE_IPMI_BMC)
typedef struct IPMIBmc {
DeviceState parent;
uint8_t slave_addr;
IPMIInterface *intf;
} IPMIBmc;
typedef struct IPMIBmcClass {
DeviceClass parent;
/* Called when the system resets to report to the bmc. */
void (*handle_reset)(struct IPMIBmc *s);
/*
* Handle a command to the bmc.
*/
void (*handle_command)(struct IPMIBmc *s,
uint8_t *cmd, unsigned int cmd_len,
unsigned int max_cmd_len,
uint8_t msg_id);
} IPMIBmcClass;
/*
* Add a link property to obj that points to a BMC.
*/
void ipmi_bmc_find_and_link(Object *obj, Object **bmc);
#ifdef IPMI_DEBUG
#define ipmi_debug(fs, ...) \
fprintf(stderr, "IPMI (%s): " fs, __func__, ##__VA_ARGS__)
#else
#define ipmi_debug(fs, ...)
#endif
#endif

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@ -195,6 +195,8 @@ PCI and ISA network adapters
@item
Serial ports
@item
IPMI BMC, either and internal or external one
@item
Creative SoundBlaster 16 sound card
@item
ENSONIQ AudioPCI ES1370 sound card