char/ipmi/ipmi_poweroff.c

1 // SPDX-License-Identifier: GPL-2.0+
30 /* Definitions for controlling power off (if the system supports it).  It
32 #define IPMI_CHASSIS_POWER_DOWN		0	/* power down, the default. */
33 #define IPMI_CHASSIS_POWER_CYCLE	0x02	/* power cycle */
38 /* Which interface to use, -1 means the first we see. */
39 static int ifnum_to_use = -1;
66 		 "timer.  Setting to -1 defaults to the first registered "
69 /* parameter definition to allow user to flag power cycle */
72 		 " Set to non-zero to enable power cycle instead of power"
73 		 " down. Power cycle is contingent on hardware support,"
74 		 " otherwise it defaults back to power down.");
85  * thing is single-threaded, anyway, so multiple messages are not
107 	struct completion *comp = recv_msg->user_msg_data;  in receive_handler()
256 	pr_info("Powering down via ATCA power command\n");  in ipmi_poweroff_atca()
259 	 * Power down  in ipmi_poweroff_atca()
265 	data[2] = 0; /* Power Level */  in ipmi_poweroff_atca()
273 	 * At this point, the system may be shutting down, and most  in ipmi_poweroff_atca()
331 	pr_info("Powering down via CPI1 power command\n");  in ipmi_poweroff_cpi1()
397 	 * Power down  in ipmi_poweroff_cpi1()
402 	data[0] = 1; /* Power down state */  in ipmi_poweroff_cpi1()
435  * HP PA-RISC servers rp3410/rp3440, the C8000 workstation and the rx2600 and
480 		(poweroff_powercycle ? "cycle" : "down"));  in ipmi_poweroff_chassis()
483 	 * Power down  in ipmi_poweroff_chassis()
498 			/* power cycle failed, default to power down */  in ipmi_poweroff_chassis()
499 			pr_err("Unable to send chassis power cycle message, IPMI error 0x%x\n",  in ipmi_poweroff_chassis()
505 		pr_err("Unable to send chassis power down message, IPMI error 0x%x\n",  in ipmi_poweroff_chassis()
511 /* Table of possible power off functions. */
546 	/* Use run-to-completion mode, since interrupts may be off. */  in ipmi_poweroff_function()
671 	pr_info("Copyright (C) 2004 MontaVista Software - IPMI Powerdown via sys_reboot\n");  in ipmi_poweroff_init()
674 		pr_info("Power cycle is enabled\n");  in ipmi_poweroff_init()
680 		rv = -ENOMEM;  in ipmi_poweroff_init()