diff options
Diffstat (limited to 'include/asm-sparc64/envctrl.h')
| -rw-r--r-- | include/asm-sparc64/envctrl.h | 104 |
1 files changed, 1 insertions, 103 deletions
diff --git a/include/asm-sparc64/envctrl.h b/include/asm-sparc64/envctrl.h index a5668a0..a2cc0ca 100644 --- a/include/asm-sparc64/envctrl.h +++ b/include/asm-sparc64/envctrl.h @@ -1,103 +1 @@ -/* - * - * 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) */ +#include <asm-sparc/envctrl.h> |
