131 lines
4.0 KiB
C
131 lines
4.0 KiB
C
/*
|
|
* Enclosure Services
|
|
*
|
|
* Copyright (C) 2008 James Bottomley <James.Bottomley@HansenPartnership.com>
|
|
*
|
|
**-----------------------------------------------------------------------------
|
|
**
|
|
** This program is free software; you can redistribute it and/or
|
|
** modify it under the terms of the GNU General Public License
|
|
** version 2 as published by the Free Software Foundation.
|
|
**
|
|
** This program is distributed in the hope that it will be useful,
|
|
** but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
** GNU General Public License for more details.
|
|
**
|
|
** You should have received a copy of the GNU General Public License
|
|
** along with this program; if not, write to the Free Software
|
|
** Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
**
|
|
**-----------------------------------------------------------------------------
|
|
*/
|
|
#ifndef _LINUX_ENCLOSURE_H_
|
|
#define _LINUX_ENCLOSURE_H_
|
|
|
|
#include <linux/device.h>
|
|
#include <linux/list.h>
|
|
|
|
/* A few generic types ... taken from ses-2 */
|
|
enum enclosure_component_type {
|
|
ENCLOSURE_COMPONENT_DEVICE = 0x01,
|
|
ENCLOSURE_COMPONENT_ARRAY_DEVICE = 0x17,
|
|
};
|
|
|
|
/* ses-2 common element status */
|
|
enum enclosure_status {
|
|
ENCLOSURE_STATUS_UNSUPPORTED = 0,
|
|
ENCLOSURE_STATUS_OK,
|
|
ENCLOSURE_STATUS_CRITICAL,
|
|
ENCLOSURE_STATUS_NON_CRITICAL,
|
|
ENCLOSURE_STATUS_UNRECOVERABLE,
|
|
ENCLOSURE_STATUS_NOT_INSTALLED,
|
|
ENCLOSURE_STATUS_UNKNOWN,
|
|
ENCLOSURE_STATUS_UNAVAILABLE,
|
|
};
|
|
|
|
/* SFF-8485 activity light settings */
|
|
enum enclosure_component_setting {
|
|
ENCLOSURE_SETTING_DISABLED = 0,
|
|
ENCLOSURE_SETTING_ENABLED = 1,
|
|
ENCLOSURE_SETTING_BLINK_A_ON_OFF = 2,
|
|
ENCLOSURE_SETTING_BLINK_A_OFF_ON = 3,
|
|
ENCLOSURE_SETTING_BLINK_B_ON_OFF = 6,
|
|
ENCLOSURE_SETTING_BLINK_B_OFF_ON = 7,
|
|
};
|
|
|
|
struct enclosure_device;
|
|
struct enclosure_component;
|
|
struct enclosure_component_callbacks {
|
|
void (*get_status)(struct enclosure_device *,
|
|
struct enclosure_component *);
|
|
int (*set_status)(struct enclosure_device *,
|
|
struct enclosure_component *,
|
|
enum enclosure_status);
|
|
void (*get_fault)(struct enclosure_device *,
|
|
struct enclosure_component *);
|
|
int (*set_fault)(struct enclosure_device *,
|
|
struct enclosure_component *,
|
|
enum enclosure_component_setting);
|
|
void (*get_active)(struct enclosure_device *,
|
|
struct enclosure_component *);
|
|
int (*set_active)(struct enclosure_device *,
|
|
struct enclosure_component *,
|
|
enum enclosure_component_setting);
|
|
void (*get_locate)(struct enclosure_device *,
|
|
struct enclosure_component *);
|
|
int (*set_locate)(struct enclosure_device *,
|
|
struct enclosure_component *,
|
|
enum enclosure_component_setting);
|
|
};
|
|
|
|
|
|
struct enclosure_component {
|
|
void *scratch;
|
|
struct device cdev;
|
|
struct device *dev;
|
|
enum enclosure_component_type type;
|
|
int number;
|
|
int fault;
|
|
int active;
|
|
int locate;
|
|
enum enclosure_status status;
|
|
};
|
|
|
|
struct enclosure_device {
|
|
void *scratch;
|
|
struct list_head node;
|
|
struct device edev;
|
|
struct enclosure_component_callbacks *cb;
|
|
int components;
|
|
struct enclosure_component component[0];
|
|
};
|
|
|
|
static inline struct enclosure_device *
|
|
to_enclosure_device(struct device *dev)
|
|
{
|
|
return container_of(dev, struct enclosure_device, edev);
|
|
}
|
|
|
|
static inline struct enclosure_component *
|
|
to_enclosure_component(struct device *dev)
|
|
{
|
|
return container_of(dev, struct enclosure_component, cdev);
|
|
}
|
|
|
|
struct enclosure_device *
|
|
enclosure_register(struct device *, const char *, int,
|
|
struct enclosure_component_callbacks *);
|
|
void enclosure_unregister(struct enclosure_device *);
|
|
struct enclosure_component *
|
|
enclosure_component_register(struct enclosure_device *, unsigned int,
|
|
enum enclosure_component_type, const char *);
|
|
int enclosure_add_device(struct enclosure_device *enclosure, int component,
|
|
struct device *dev);
|
|
int enclosure_remove_device(struct enclosure_device *enclosure, int component);
|
|
struct enclosure_device *enclosure_find(struct device *dev);
|
|
int enclosure_for_each_device(int (*fn)(struct enclosure_device *, void *),
|
|
void *data);
|
|
|
|
#endif /* _LINUX_ENCLOSURE_H_ */
|