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freebsd-skq/sys/sys/ipmi.h
John Baldwin d72a078647 Update the ipmi(4) driver: 
- Split out the communication protocols into their own files and use
  a couple of function pointers in the softc that the commuication
  protocols setup in their own attach routine.
- Add support for the SSIF interface (talking to IPMI over SMBus).
- Add an ACPI attachment.
- Add a PCI attachment that attaches to devices with the IPMI interface
  subclass.
- Split the ISA attachment out into its own file: ipmi_isa.c.
- Change the code to probe the SMBIOS table for an IPMI entry to just use
  pmap_mapbios() to map the table in rather than trying to setup a fake
  resource on an isa device and then activating the resource to map in the
  table.
- Make bus attachments leaner by adding attach functions for each
  communication interface (ipmi_kcs_attach(), ipmi_smic_attach(), etc.)
  that setup per-interface data.
- Formalize the model used by the driver to handle requests by adding an
  explicit struct ipmi_request object that holds the state of a given
  request and reply for the entire lifetime of the request.  By bundling
  the request into an object, it is easier to add retry logic to the various
  communication backends (as well as eventually support BT mode which uses
  a slightly different message format than KCS, SMIC, and SSIF).
- Add a per-softc lock and remove D_NEEDGIANT as the driver is now MPSAFE.
- Add 32-bit compatibility ioctl shims so you can use a 32-bit ipmitool
  on FreeBSD/amd64.
- Add ipmi(4) to i386 and amd64 NOTES.

Submitted by:	ambrisko (large portions of 2 and 3)
Sponsored by:	IronPort Systems, Yahoo!
MFC after:	6 days
2006-09-22 22:11:29 +00:00

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/*-
* Copyright (c) 2006 IronPort Systems Inc. <ambrisko@ironport.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef __SYS_IPMI_H__
#define __SYS_IPMI_H__
#define IPMI_MAX_ADDR_SIZE 0x20
#define IPMI_MAX_RX 1024
#define IPMI_BMC_SLAVE_ADDR 0x20 /* Linux Default slave address */
#define IPMI_BMC_CHANNEL 0x0f /* Linux BMC channel */
#define IPMI_BMC_SMS_LUN 0x02
#define IPMI_SYSTEM_INTERFACE_ADDR_TYPE 0x0c
#define IPMI_IPMB_ADDR_TYPE 0x01
#define IPMI_IPMB_BROADCAST_ADDR_TYPE 0x41
#define IPMI_IOC_MAGIC 'i'
#define IPMICTL_RECEIVE_MSG_TRUNC _IOWR(IPMI_IOC_MAGIC, 11, struct ipmi_recv)
#define IPMICTL_RECEIVE_MSG _IOWR(IPMI_IOC_MAGIC, 12, struct ipmi_recv)
#define IPMICTL_SEND_COMMAND _IOW(IPMI_IOC_MAGIC, 13, struct ipmi_req)
#define IPMICTL_REGISTER_FOR_CMD _IOW(IPMI_IOC_MAGIC, 14, struct ipmi_cmdspec)
#define IPMICTL_UNREGISTER_FOR_CMD _IOW(IPMI_IOC_MAGIC, 15, struct ipmi_cmdspec)
#define IPMICTL_SET_GETS_EVENTS_CMD _IOW(IPMI_IOC_MAGIC, 16, int)
#define IPMICTL_SET_MY_ADDRESS_CMD _IOW(IPMI_IOC_MAGIC, 17, unsigned int)
#define IPMICTL_GET_MY_ADDRESS_CMD _IOR(IPMI_IOC_MAGIC, 18, unsigned int)
#define IPMICTL_SET_MY_LUN_CMD _IOW(IPMI_IOC_MAGIC, 19, unsigned int)
#define IPMICTL_GET_MY_LUN_CMD _IOR(IPMI_IOC_MAGIC, 20, unsigned int)
#define IPMI_RESPONSE_RECV_TYPE 1
#define IPMI_ASYNC_EVENT_RECV_TYPE 2
#define IPMI_CMD_RECV_TYPE 3
#define IPMI_APP_REQUEST 0x06
#define IPMI_GET_DEVICE_ID 0x01
#define IPMI_CLEAR_FLAGS 0x30
#define IPMI_GET_MSG_FLAGS 0x31
# define IPMI_MSG_AVAILABLE 0x01
# define IPMI_MSG_BUFFER_FULL 0x02
# define IPMI_WDT_PRE_TIMEOUT 0x08
#define IPMI_GET_MSG 0x33
#define IPMI_SEND_MSG 0x34
#define IPMI_GET_CHANNEL_INFO 0x42
#define IPMI_RESET_WDOG 0x22
#define IPMI_SET_WDOG 0x24
#define IPMI_GET_WDOG 0x25
#define IPMI_SET_WD_TIMER_SMS_OS 0x04
#define IPMI_SET_WD_TIMER_DONT_STOP 0x40
#define IPMI_SET_WD_ACTION_RESET 0x01
struct ipmi_msg {
unsigned char netfn;
unsigned char cmd;
unsigned short data_len;
unsigned char *data;
};
struct ipmi_req {
unsigned char *addr;
unsigned int addr_len;
long msgid;
struct ipmi_msg msg;
};
struct ipmi_recv {
int recv_type;
unsigned char *addr;
unsigned int addr_len;
long msgid;
struct ipmi_msg msg;
};
struct ipmi_cmdspec {
unsigned char netfn;
unsigned char cmd;
};
struct ipmi_addr {
int addr_type;
short channel;
unsigned char data[IPMI_MAX_ADDR_SIZE];
};
struct ipmi_system_interface_addr {
int addr_type;
short channel;
unsigned char lun;
};
struct ipmi_ipmb_addr {
int addr_type;
short channel;
unsigned char slave_addr;
unsigned char lun;
};
#if defined(__amd64__)
/* Compatiblity with 32-bit binaries. */
#define IPMICTL_RECEIVE_MSG_TRUNC_32 _IOWR(IPMI_IOC_MAGIC, 11, struct ipmi_recv32)
#define IPMICTL_RECEIVE_MSG_32 _IOWR(IPMI_IOC_MAGIC, 12, struct ipmi_recv32)
#define IPMICTL_SEND_COMMAND_32 _IOW(IPMI_IOC_MAGIC, 13, struct ipmi_req32)
struct ipmi_msg32 {
unsigned char netfn;
unsigned char cmd;
unsigned short data_len;
uint32_t data;
};
struct ipmi_req32 {
uint32_t addr;
unsigned int addr_len;
int32_t msgid;
struct ipmi_msg32 msg;
};
struct ipmi_recv32 {
int recv_type;
uint32_t addr;
unsigned int addr_len;
int32_t msgid;
struct ipmi_msg32 msg;
};
#endif
#endif /* !__SYS_IPMI_H__ */
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