/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ /* * * envctrl.h: Definitions for access to the i2c environment * monitoring on Ultrasparc systems. * * Copyright (C) 1998 Eddie C. Dost (ecd@skynet.be) * Copyright (C) 2000 Vinh Truong (vinh.truong@eng.sun.com) * VT - Add all ioctl commands and environment status definitions * VT - Add application note */ #ifndef _SPARC64_ENVCTRL_H #define _SPARC64_ENVCTRL_H 1 #include <linux/ioctl.h> /* Application note: * * The driver supports 4 operations: open(), close(), ioctl(), read() * The device name is /dev/envctrl. * Below is sample usage: * * fd = open("/dev/envtrl", O_RDONLY); * if (ioctl(fd, ENVCTRL_READ_SHUTDOWN_TEMPERATURE, 0) < 0) * printf("error\n"); * ret = read(fd, buf, 10); * close(fd); * * Notice in the case of cpu voltage and temperature, the default is * cpu0. If we need to know the info of cpu1, cpu2, cpu3, we need to * pass in cpu number in ioctl() last parameter. For example, to * get the voltage of cpu2: * * ioctlbuf[0] = 2; * if (ioctl(fd, ENVCTRL_READ_CPU_VOLTAGE, ioctlbuf) < 0) * printf("error\n"); * ret = read(fd, buf, 10); * * All the return values are in ascii. So check read return value * and do appropriate conversions in your application. */ /* IOCTL commands */ /* Note: these commands reflect possible monitor features. * Some boards choose to support some of the features only. */ #define ENVCTRL_RD_CPU_TEMPERATURE _IOR('p', 0x40, int) #define ENVCTRL_RD_CPU_VOLTAGE _IOR('p', 0x41, int) #define ENVCTRL_RD_FAN_STATUS _IOR('p', 0x42, int) #define ENVCTRL_RD_WARNING_TEMPERATURE _IOR('p', 0x43, int) #define ENVCTRL_RD_SHUTDOWN_TEMPERATURE _IOR('p', 0x44, int) #define ENVCTRL_RD_VOLTAGE_STATUS _IOR('p', 0x45, int) #define ENVCTRL_RD_SCSI_TEMPERATURE _IOR('p', 0x46, int) #define ENVCTRL_RD_ETHERNET_TEMPERATURE _IOR('p', 0x47, int) #define ENVCTRL_RD_MTHRBD_TEMPERATURE _IOR('p', 0x48, int) #define ENVCTRL_RD_GLOBALADDRESS _IOR('p', 0x49, int) /* Read return values for a voltage status request. */ #define ENVCTRL_VOLTAGE_POWERSUPPLY_GOOD 0x01 #define ENVCTRL_VOLTAGE_BAD 0x02 #define ENVCTRL_POWERSUPPLY_BAD 0x03 #define ENVCTRL_VOLTAGE_POWERSUPPLY_BAD 0x04 /* Read return values for a fan status request. * A failure match means either the fan fails or * the fan is not connected. Some boards have optional * connectors to connect extra fans. * * There are maximum 8 monitor fans. Some are cpu fans * some are system fans. The mask below only indicates * fan by order number. * Below is a sample application: * * if (ioctl(fd, ENVCTRL_READ_FAN_STATUS, 0) < 0) { * printf("ioctl fan failed\n"); * } * if (read(fd, rslt, 1) <= 0) { * printf("error or fan not monitored\n"); * } else { * if (rslt[0] == ENVCTRL_ALL_FANS_GOOD) { * printf("all fans good\n"); * } else if (rslt[0] == ENVCTRL_ALL_FANS_BAD) { * printf("all fans bad\n"); * } else { * if (rslt[0] & ENVCTRL_FAN0_FAILURE_MASK) { * printf("fan 0 failed or not connected\n"); * } * ...... */ #define ENVCTRL_ALL_FANS_GOOD 0x00 #define ENVCTRL_FAN0_FAILURE_MASK 0x01 #define ENVCTRL_FAN1_FAILURE_MASK 0x02 #define ENVCTRL_FAN2_FAILURE_MASK 0x04 #define ENVCTRL_FAN3_FAILURE_MASK 0x08 #define ENVCTRL_FAN4_FAILURE_MASK 0x10 #define ENVCTRL_FAN5_FAILURE_MASK 0x20 #define ENVCTRL_FAN6_FAILURE_MASK 0x40 #define ENVCTRL_FAN7_FAILURE_MASK 0x80 #define ENVCTRL_ALL_FANS_BAD 0xFF #endif /* !(_SPARC64_ENVCTRL_H) */
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apc.h | File | 1.7 KB | 0644 |
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asi.h | File | 14.73 KB | 0644 |
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auxvec.h | File | 153 B | 0644 |
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bitsperlong.h | File | 324 B | 0644 |
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byteorder.h | File | 191 B | 0644 |
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display7seg.h | File | 1.9 KB | 0644 |
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envctrl.h | File | 3.41 KB | 0644 |
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errno.h | File | 5.41 KB | 0644 |
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fbio.h | File | 7.72 KB | 0644 |
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fcntl.h | File | 1.75 KB | 0644 |
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ioctl.h | File | 2.58 KB | 0644 |
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ioctls.h | File | 5.87 KB | 0644 |
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ipcbuf.h | File | 776 B | 0644 |
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jsflash.h | File | 928 B | 0644 |
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kvm_para.h | File | 97 B | 0644 |
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mman.h | File | 1.22 KB | 0644 |
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msgbuf.h | File | 1.12 KB | 0644 |
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openpromio.h | File | 2.13 KB | 0644 |
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param.h | File | 253 B | 0644 |
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perfctr.h | File | 5.56 KB | 0644 |
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poll.h | File | 273 B | 0644 |
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posix_types.h | File | 1.48 KB | 0644 |
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psr.h | File | 2.21 KB | 0644 |
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psrcompat.h | File | 2.02 KB | 0644 |
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pstate.h | File | 5.81 KB | 0644 |
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ptrace.h | File | 8.03 KB | 0644 |
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resource.h | File | 770 B | 0644 |
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sembuf.h | File | 877 B | 0644 |
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setup.h | File | 310 B | 0644 |
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shmbuf.h | File | 1.3 KB | 0644 |
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sigcontext.h | File | 167 B | 0644 |
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siginfo.h | File | 670 B | 0644 |
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signal.h | File | 4.62 KB | 0644 |
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socket.h | File | 2.44 KB | 0644 |
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sockios.h | File | 435 B | 0644 |
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stat.h | File | 1.97 KB | 0644 |
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statfs.h | File | 164 B | 0644 |
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swab.h | File | 1.01 KB | 0644 |
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termbits.h | File | 6.92 KB | 0644 |
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termios.h | File | 742 B | 0644 |
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traps.h | File | 5.15 KB | 0644 |
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uctx.h | File | 1.39 KB | 0644 |
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unistd.h | File | 25.3 KB | 0644 |
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utrap.h | File | 1.5 KB | 0644 |
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watchdog.h | File | 1 KB | 0644 |
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