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

1 files changed, 15 insertions, 1 deletions

diff --git a/include/uapi/linux/ipmi.h b/include/uapi/linux/ipmi.h
index 32d148309b16..966c3070959b 100644
--- a/include/uapi/linux/ipmi.h
+++ b/include/uapi/linux/ipmi.h
@@ -81,6 +81,20 @@ struct ipmi_ipmb_addr {
 };
 
 /*
+ * 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.
  */