qemu/include/hw/ipmi/ipmi.h
Cédric Le Goater cd60d85ef6 ipmi: introduce an ipmi_bmc_gen_event() API
It will be used to fill the message buffer with custom events expected
by some systems. Typically, an Open PowerNV platform guest is notified
with an OEM SEL message before a shutdown or a reboot.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Acked-by: Corey Minyard <cminyard@mvista.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2017-04-26 12:41:55 +10:00

267 lines
7.9 KiB
C

/*
* 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
/*
* Used for transferring information to interfaces that add
* entries to firmware tables.
*/
typedef struct IPMIFwInfo {
const char *interface_name;
int interface_type;
uint8_t ipmi_spec_major_revision;
uint8_t ipmi_spec_minor_revision;
uint8_t i2c_slave_address;
uint32_t uuid;
uint64_t base_address;
uint64_t register_length;
uint8_t register_spacing;
enum {
IPMI_MEMSPACE_IO,
IPMI_MEMSPACE_MEM32,
IPMI_MEMSPACE_MEM64,
IPMI_MEMSPACE_SMBUS
} memspace;
int interrupt_number;
enum {
IPMI_LEVEL_IRQ,
IPMI_EDGE_IRQ
} irq_type;
} IPMIFwInfo;
/*
* Called by each instantiated IPMI interface device to get it's uuid.
*/
uint32_t ipmi_next_uuid(void);
/* 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);
/*
* Return the firmware info for a device.
*/
void (*get_fwinfo)(struct IPMIInterface *s, IPMIFwInfo *info);
} 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
struct ipmi_sdr_header {
uint8_t rec_id[2];
uint8_t sdr_version; /* 0x51 */
uint8_t rec_type;
uint8_t rec_length;
};
#define IPMI_SDR_HEADER_SIZE sizeof(struct ipmi_sdr_header)
#define ipmi_sdr_recid(sdr) ((sdr)->rec_id[0] | ((sdr)->rec_id[1] << 8))
#define ipmi_sdr_length(sdr) ((sdr)->rec_length + IPMI_SDR_HEADER_SIZE)
/*
* 43.2 SDR Type 02h. Compact Sensor Record
*/
#define IPMI_SDR_COMPACT_TYPE 2
struct ipmi_sdr_compact {
struct ipmi_sdr_header header;
uint8_t sensor_owner_id;
uint8_t sensor_owner_lun;
uint8_t sensor_owner_number; /* byte 8 */
uint8_t entity_id;
uint8_t entity_instance;
uint8_t sensor_init;
uint8_t sensor_caps;
uint8_t sensor_type;
uint8_t reading_type;
uint8_t assert_mask[2]; /* byte 16 */
uint8_t deassert_mask[2];
uint8_t discrete_mask[2];
uint8_t sensor_unit1;
uint8_t sensor_unit2;
uint8_t sensor_unit3;
uint8_t sensor_direction[2]; /* byte 24 */
uint8_t positive_threshold;
uint8_t negative_threshold;
uint8_t reserved[3];
uint8_t oem;
uint8_t id_str_len; /* byte 32 */
uint8_t id_string[16];
};
typedef uint8_t ipmi_sdr_compact_buffer[sizeof(struct ipmi_sdr_compact)];
int ipmi_bmc_sdr_find(IPMIBmc *b, uint16_t recid,
const struct ipmi_sdr_compact **sdr, uint16_t *nextrec);
void ipmi_bmc_gen_event(IPMIBmc *b, uint8_t *evt, bool log);
#endif