Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
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>
- Loading branch information
Showing
7 changed files
with
309 additions
and
0 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1 @@ | ||
common-obj-$(CONFIG_IPMI) += ipmi.o |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -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) |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -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 |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters