Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (48 commits) [SCSI] aacraid: do not set valid bit in sense information [SCSI] ses: add new Enclosure ULD [SCSI] enclosure: add support for enclosure services [SCSI] sr: fix test unit ready responses [SCSI] u14-34f: fix data direction bug [SCSI] aacraid: pci_set_dma_max_seg_size opened up for late model controllers [SCSI] fix BUG when sum(scatterlist) > bufflen [SCSI] arcmsr: updates (1.20.00.15) [SCSI] advansys: make 3 functions static [SCSI] Small cleanups for scsi_host.h [SCSI] dc395x: fix uninitialized var warning [SCSI] NCR53C9x: remove driver [SCSI] remove m68k NCR53C9x based drivers [SCSI] dec_esp: Remove driver [SCSI] kernel-doc: fix scsi docbook [SCSI] update my email address [SCSI] add protocol definitions [SCSI] sd: handle bad lba in sense information [SCSI] qla2xxx: Update version number to 8.02.00-k8. [SCSI] qla2xxx: Correct issue where incorrect init-fw mailbox command was used on non-NPIV capable ISPs. ...
This commit is contained in:
Linus Torvalds
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/*
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* Enclosure Services
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*
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* Copyright (C) 2008 James Bottomley <James.Bottomley@HansenPartnership.com>
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*
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**-----------------------------------------------------------------------------
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**
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** This program is free software; you can redistribute it and/or
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** modify it under the terms of the GNU General Public License
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** version 2 as published by 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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** You should have received a copy of the GNU General Public License
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** along with this program; if not, write to the Free Software
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** Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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**
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**-----------------------------------------------------------------------------
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*/
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#ifndef _LINUX_ENCLOSURE_H_
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#define _LINUX_ENCLOSURE_H_
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#include <linux/device.h>
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#include <linux/list.h>
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/* A few generic types ... taken from ses-2 */
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enum enclosure_component_type {
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ENCLOSURE_COMPONENT_DEVICE = 0x01,
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ENCLOSURE_COMPONENT_ARRAY_DEVICE = 0x17,
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};
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/* ses-2 common element status */
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enum enclosure_status {
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ENCLOSURE_STATUS_UNSUPPORTED = 0,
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ENCLOSURE_STATUS_OK,
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ENCLOSURE_STATUS_CRITICAL,
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ENCLOSURE_STATUS_NON_CRITICAL,
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ENCLOSURE_STATUS_UNRECOVERABLE,
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ENCLOSURE_STATUS_NOT_INSTALLED,
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ENCLOSURE_STATUS_UNKNOWN,
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ENCLOSURE_STATUS_UNAVAILABLE,
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};
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/* SFF-8485 activity light settings */
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enum enclosure_component_setting {
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ENCLOSURE_SETTING_DISABLED = 0,
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ENCLOSURE_SETTING_ENABLED = 1,
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ENCLOSURE_SETTING_BLINK_A_ON_OFF = 2,
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ENCLOSURE_SETTING_BLINK_A_OFF_ON = 3,
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ENCLOSURE_SETTING_BLINK_B_ON_OFF = 6,
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ENCLOSURE_SETTING_BLINK_B_OFF_ON = 7,
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};
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struct enclosure_device;
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struct enclosure_component;
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struct enclosure_component_callbacks {
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void (*get_status)(struct enclosure_device *,
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struct enclosure_component *);
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int (*set_status)(struct enclosure_device *,
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struct enclosure_component *,
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enum enclosure_status);
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void (*get_fault)(struct enclosure_device *,
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struct enclosure_component *);
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int (*set_fault)(struct enclosure_device *,
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struct enclosure_component *,
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enum enclosure_component_setting);
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void (*get_active)(struct enclosure_device *,
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struct enclosure_component *);
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int (*set_active)(struct enclosure_device *,
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struct enclosure_component *,
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enum enclosure_component_setting);
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void (*get_locate)(struct enclosure_device *,
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struct enclosure_component *);
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int (*set_locate)(struct enclosure_device *,
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struct enclosure_component *,
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enum enclosure_component_setting);
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};
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struct enclosure_component {
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void *scratch;
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struct class_device cdev;
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enum enclosure_component_type type;
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int number;
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int fault;
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int active;
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int locate;
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enum enclosure_status status;
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};
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struct enclosure_device {
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void *scratch;
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struct list_head node;
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struct class_device cdev;
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struct enclosure_component_callbacks *cb;
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int components;
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struct enclosure_component component[0];
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};
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static inline struct enclosure_device *
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to_enclosure_device(struct class_device *dev)
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{
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return container_of(dev, struct enclosure_device, cdev);
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}
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static inline struct enclosure_component *
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to_enclosure_component(struct class_device *dev)
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{
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return container_of(dev, struct enclosure_component, cdev);
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}
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struct enclosure_device *
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enclosure_register(struct device *, const char *, int,
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struct enclosure_component_callbacks *);
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void enclosure_unregister(struct enclosure_device *);
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struct enclosure_component *
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enclosure_component_register(struct enclosure_device *, unsigned int,
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enum enclosure_component_type, const char *);
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int enclosure_add_device(struct enclosure_device *enclosure, int component,
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struct device *dev);
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int enclosure_remove_device(struct enclosure_device *enclosure, int component);
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struct enclosure_device *enclosure_find(struct device *dev);
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int enclosure_for_each_device(int (*fn)(struct enclosure_device *, void *),
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void *data);
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#endif /* _LINUX_ENCLOSURE_H_ */
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