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Updates for the IPMI driver

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A new type of low-level IPMI driver is added for direct communication
 over the IPMI message bus without a BMC between the driver and the bus.
 
 Other than that, lots of little bug fixes and enhancements.
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Merge tag 'for-linus-5.16-1' of https://github.com/cminyard/linux-ipmi

Pull IPMI driver updates from Corey Minyard:
 "A new type of low-level IPMI driver is added for direct communication
  over the IPMI message bus without a BMC between the driver and the
  bus.

  Other than that, lots of little bug fixes and enhancements"

* tag 'for-linus-5.16-1' of https://github.com/cminyard/linux-ipmi:
  ipmi: kcs_bmc: Fix a memory leak in the error handling path of 'kcs_bmc_serio_add_device()'
  char: ipmi: replace snprintf in show functions with sysfs_emit
  ipmi: ipmb: fix dependencies to eliminate build error
  ipmi:ipmb: Add OF support
  ipmi: bt: Add ast2600 compatible string
  ipmi: bt-bmc: Use registers directly
  ipmi: ipmb: Fix off-by-one size check on rcvlen
  ipmi:ssif: Use depends on, not select, for I2C
  ipmi: Add docs for the IPMI IPMB driver
  ipmi: Add docs for IPMB direct addressing
  ipmi:ipmb: Add initial support for IPMI over IPMB
  ipmi: Add support for IPMB direct messages
  ipmi: Export ipmb_checksum()
  ipmi: Fix a typo
  ipmi: Check error code before processing BMC response
  ipmi:devintf: Return a proper error when recv buffer too small
  ipmi: Disable some operations during a panic
  ipmi:watchdog: Set panic count to proper value on a panic
This commit is contained in:
Linus Torvalds 2021-11-01 18:53:03 -07:00
commit 316b7eaa93
16 changed files with 1078 additions and 123 deletions
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16
include/uapi/linux/ipmi.h
View file

@ -80,6 +80,20 @@ struct ipmi_ipmb_addr {
unsigned char lun;
};
/*
* Used for messages received directly from an IPMB that have not gone
* through a MC. This is for systems that sit right on an IPMB so
* they can receive commands and respond to them.
*/
#define IPMI_IPMB_DIRECT_ADDR_TYPE 0x81
struct ipmi_ipmb_direct_addr {
int addr_type;
short channel;
unsigned char slave_addr;
unsigned char rs_lun;
unsigned char rq_lun;
};
/*
* A LAN Address. This is an address to/from a LAN interface bridged
* by the BMC, not an address actually out on the LAN.
@ -158,7 +172,7 @@ struct kernel_ipmi_msg {
* is used for the receive in-kernel interface and in the receive
* IOCTL.
*
* The "IPMI_RESPONSE_RESPNOSE_TYPE" is a little strange sounding, but
* The "IPMI_RESPONSE_RESPONSE_TYPE" is a little strange sounding, but
* it allows you to get the message results when you send a response
* message.
*/