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92 lines
2.8 KiB
92 lines
2.8 KiB
/* |
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* SN Platform system controller communication support |
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* |
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* This file is subject to the terms and conditions of the GNU General Public |
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* License. See the file "COPYING" in the main directory of this archive |
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* for more details. |
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* |
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* Copyright (C) 2004-2006 Silicon Graphics, Inc. All rights reserved. |
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*/ |
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/* |
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* This file contains macros and data types for communication with the |
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* system controllers in SGI SN systems. |
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*/ |
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#ifndef _SN_SYSCTL_H_ |
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#define _SN_SYSCTL_H_ |
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#include <linux/types.h> |
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#include <linux/spinlock.h> |
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#include <linux/wait.h> |
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#include <linux/fs.h> |
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#include <linux/cdev.h> |
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#include <linux/semaphore.h> |
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#include <asm/sn/types.h> |
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#define CHUNKSIZE 127 |
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/* This structure is used to track an open subchannel. */ |
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struct subch_data_s { |
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nasid_t sd_nasid; /* node on which the subchannel was opened */ |
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int sd_subch; /* subchannel number */ |
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spinlock_t sd_rlock; /* monitor lock for rsv */ |
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spinlock_t sd_wlock; /* monitor lock for wsv */ |
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wait_queue_head_t sd_rq; /* wait queue for readers */ |
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wait_queue_head_t sd_wq; /* wait queue for writers */ |
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struct semaphore sd_rbs; /* semaphore for read buffer */ |
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struct semaphore sd_wbs; /* semaphore for write buffer */ |
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char sd_rb[CHUNKSIZE]; /* read buffer */ |
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char sd_wb[CHUNKSIZE]; /* write buffer */ |
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}; |
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struct sysctl_data_s { |
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struct cdev scd_cdev; /* Character device info */ |
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nasid_t scd_nasid; /* Node on which subchannels are opened. */ |
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}; |
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/* argument types */ |
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#define IR_ARG_INT 0x00 /* 4-byte integer (big-endian) */ |
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#define IR_ARG_ASCII 0x01 /* null-terminated ASCII string */ |
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#define IR_ARG_UNKNOWN 0x80 /* unknown data type. The low |
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* 7 bits will contain the data |
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* length. */ |
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#define IR_ARG_UNKNOWN_LENGTH_MASK 0x7f |
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/* system controller event codes */ |
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#define EV_CLASS_MASK 0xf000ul |
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#define EV_SEVERITY_MASK 0x0f00ul |
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#define EV_COMPONENT_MASK 0x00fful |
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#define EV_CLASS_POWER 0x1000ul |
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#define EV_CLASS_FAN 0x2000ul |
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#define EV_CLASS_TEMP 0x3000ul |
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#define EV_CLASS_ENV 0x4000ul |
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#define EV_CLASS_TEST_FAULT 0x5000ul |
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#define EV_CLASS_TEST_WARNING 0x6000ul |
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#define EV_CLASS_PWRD_NOTIFY 0x8000ul |
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/* ENV class codes */ |
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#define ENV_PWRDN_PEND 0x4101ul |
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#define EV_SEVERITY_POWER_STABLE 0x0000ul |
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#define EV_SEVERITY_POWER_LOW_WARNING 0x0100ul |
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#define EV_SEVERITY_POWER_HIGH_WARNING 0x0200ul |
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#define EV_SEVERITY_POWER_HIGH_FAULT 0x0300ul |
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#define EV_SEVERITY_POWER_LOW_FAULT 0x0400ul |
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#define EV_SEVERITY_FAN_STABLE 0x0000ul |
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#define EV_SEVERITY_FAN_WARNING 0x0100ul |
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#define EV_SEVERITY_FAN_FAULT 0x0200ul |
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#define EV_SEVERITY_TEMP_STABLE 0x0000ul |
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#define EV_SEVERITY_TEMP_ADVISORY 0x0100ul |
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#define EV_SEVERITY_TEMP_CRITICAL 0x0200ul |
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#define EV_SEVERITY_TEMP_FAULT 0x0300ul |
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void scdrv_event_init(struct sysctl_data_s *); |
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#endif /* _SN_SYSCTL_H_ */
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