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7b595756ec
sysfs is now completely out of driver/module lifetime game. After deletion, a sysfs node doesn't access anything outside sysfs proper, so there's no reason to hold onto the attribute owners. Note that often the wrong modules were accounted for as owners leading to accessing removed modules. This patch kills now unnecessary attribute->owner. Note that with this change, userland holding a sysfs node does not prevent the backing module from being unloaded. For more info regarding lifetime rule cleanup, please read the following message. http://article.gmane.org/gmane.linux.kernel/510293 (tweaked by Greg to not delete the field just yet, to make it easier to merge things properly.) Signed-off-by: Tejun Heo <htejun@gmail.com> Cc: Cornelia Huck <cornelia.huck@de.ibm.com> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
107 lines
2.7 KiB
C
107 lines
2.7 KiB
C
/*
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* dcdbas.h: Definitions for Dell Systems Management Base driver
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*
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* Copyright (C) 1995-2005 Dell Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License v2.0 as published by
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* the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef _DCDBAS_H_
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#define _DCDBAS_H_
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#include <linux/device.h>
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#include <linux/input.h>
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#include <linux/sysfs.h>
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#include <linux/types.h>
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#define MAX_SMI_DATA_BUF_SIZE (256 * 1024)
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#define HC_ACTION_NONE (0)
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#define HC_ACTION_HOST_CONTROL_POWEROFF BIT(1)
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#define HC_ACTION_HOST_CONTROL_POWERCYCLE BIT(2)
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#define HC_SMITYPE_NONE (0)
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#define HC_SMITYPE_TYPE1 (1)
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#define HC_SMITYPE_TYPE2 (2)
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#define HC_SMITYPE_TYPE3 (3)
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#define ESM_APM_CMD (0x0A0)
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#define ESM_APM_POWER_CYCLE (0x10)
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#define ESM_STATUS_CMD_UNSUCCESSFUL (-1)
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#define CMOS_BASE_PORT (0x070)
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#define CMOS_PAGE1_INDEX_PORT (0)
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#define CMOS_PAGE1_DATA_PORT (1)
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#define CMOS_PAGE2_INDEX_PORT_PIIX4 (2)
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#define CMOS_PAGE2_DATA_PORT_PIIX4 (3)
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#define PE1400_APM_CONTROL_PORT (0x0B0)
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#define PCAT_APM_CONTROL_PORT (0x0B2)
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#define PCAT_APM_STATUS_PORT (0x0B3)
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#define PE1300_CMOS_CMD_STRUCT_PTR (0x38)
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#define PE1400_CMOS_CMD_STRUCT_PTR (0x70)
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#define MAX_SYSMGMT_SHORTCMD_PARMBUF_LEN (14)
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#define MAX_SYSMGMT_LONGCMD_SGENTRY_NUM (16)
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#define TIMEOUT_USEC_SHORT_SEMA_BLOCKING (10000)
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#define EXPIRED_TIMER (0)
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#define SMI_CMD_MAGIC (0x534D4931)
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#define DCDBAS_DEV_ATTR_RW(_name) \
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DEVICE_ATTR(_name,0600,_name##_show,_name##_store);
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#define DCDBAS_DEV_ATTR_RO(_name) \
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DEVICE_ATTR(_name,0400,_name##_show,NULL);
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#define DCDBAS_DEV_ATTR_WO(_name) \
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DEVICE_ATTR(_name,0200,NULL,_name##_store);
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#define DCDBAS_BIN_ATTR_RW(_name) \
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struct bin_attribute bin_attr_##_name = { \
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.attr = { .name = __stringify(_name), \
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.mode = 0600 }, \
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.read = _name##_read, \
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.write = _name##_write, \
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}
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struct smi_cmd {
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__u32 magic;
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__u32 ebx;
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__u32 ecx;
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__u16 command_address;
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__u8 command_code;
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__u8 reserved;
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__u8 command_buffer[1];
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} __attribute__ ((packed));
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struct apm_cmd {
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__u8 command;
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__s8 status;
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__u16 reserved;
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union {
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struct {
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__u8 parm[MAX_SYSMGMT_SHORTCMD_PARMBUF_LEN];
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} __attribute__ ((packed)) shortreq;
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struct {
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__u16 num_sg_entries;
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struct {
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__u32 size;
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__u64 addr;
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} __attribute__ ((packed))
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sglist[MAX_SYSMGMT_LONGCMD_SGENTRY_NUM];
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} __attribute__ ((packed)) longreq;
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} __attribute__ ((packed)) parameters;
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} __attribute__ ((packed));
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#endif /* _DCDBAS_H_ */
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