\_SB_.PCI0.S00_ _I|Mjq؂File not found. ;laClq@?q\bѿ Zea=JJj"Trqţ,/* SPDX-License-Identifier: GPL-2.0+ */ /* * ipmi.h * * MontaVista IPMI interface * * Author: MontaVista Software, Inc. * Corey Minyard * source@mvista.com * * Copyright 2002 MontaVista Software Inc. * */ #ifndef __LINUX_IPMI_H #define __LINUX_IPMI_H #include #include #include #include /* For acpi_handle */ struct module; struct device; /* * Opaque type for a IPMI message user. One of these is needed to * send and receive messages. */ struct ipmi_user; /* * Stuff coming from the receive interface comes as one of these. * They are allocated, the receiver must free them with * ipmi_free_recv_msg() when done with the message. The link is not * used after the message is delivered, so the upper layer may use the * link to build a linked list, if it likes. */ struct ipmi_recv_msg { struct list_head link; /* * The type of message as defined in the "Receive Types" * defines above. */ int recv_type; struct ipmi_user *user; struct ipmi_addr addr; long msgid; struct kernel_ipmi_msg msg; /* * The user_msg_data is the data supplied when a message was * sent, if this is a response to a sent message. If this is * not a response to a sent message, then user_msg_data will * be NULL. If the user above is NULL, then this will be the * intf. */ void *user_msg_data; /* * Call this when done with the message. It will presumably free * the message and do any other necessary cleanup. */ void (*done)(struct ipmi_recv_msg *msg); /* * Place-holder for the data, don't make any assumptions about * the size or existence of this, since it may change. */ unsigned char msg_data[IPMI_MAX_MSG_LENGTH]; RH_KABI_RESERVE(1) RH_KABI_RESERVE(2) }; #define INIT_IPMI_RECV_MSG(done_handler) \ { \ .done = done_handler \ } /* Allocate and free the receive message. */ void ipmi_free_recv_msg(struct ipmi_recv_msg *msg); struct ipmi_user_hndl { /* * Routine type to call when a message needs to be routed to * the upper layer. This will be called with some locks held, * the only IPMI routines that can be called are ipmi_request * and the alloc/free operations. The handler_data is the * variable supplied when the receive handler was registered. */ void (*ipmi_recv_hndl)(struct ipmi_recv_msg *msg, void *user_msg_data); /* * Called when the interface detects a watchdog pre-timeout. If * this is NULL, it will be ignored for the user. */ void (*ipmi_watchdog_pretimeout)(void *handler_data); /* * If not NULL, called at panic time after the interface has * been set up to handle run to completion. */ void (*ipmi_panic_handler)(void *handler_data); /* * Called when the interface has been removed. After this returns * the user handle will be invalid. The interface may or may * not be usable when this is called, but it will return errors * if it is not usable. */ void (*shutdown)(void *handler_data); RH_KABI_RESERVE(1) RH_KABI_RESERVE(2) }; /* Create a new user of the IPMI layer on the given interface number. */ int ipmi_create_user(unsigned int if_num, const struct ipmi_user_hndl *handler, void *handler_data, struct ipmi_user **user); /* * Destroy the given user of the IPMI layer. Note that after this * function returns, the system is guaranteed to not call any * callbacks for the user. Thus as long as you destroy all the users * before you unload a module, you will be safe. And if you destroy * the users before you destroy the callback structures, it should be * safe, too. */ void ipmi_destroy_user(struct ipmi_user *user); /* Get the IPMI version of the BMC we are talking to. */ int ipmi_get_version(struct ipmi_user *user, unsigned char *major, un