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lib
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6.8.0-83-generic
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enclosure.h
/* SPDX-License-Identifier: GPL-2.0-only */ /* * Enclosure Services * * Copyright (C) 2008 James Bottomley <James.Bottomley@HansenPartnership.com> * **----------------------------------------------------------------------------- ** ** **----------------------------------------------------------------------------- */ #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_CONTROLLER_ELECTRONICS = 0x07, ENCLOSURE_COMPONENT_SCSI_TARGET_PORT = 0x14, ENCLOSURE_COMPONENT_SCSI_INITIATOR_PORT = 0x15, ENCLOSURE_COMPONENT_ARRAY_DEVICE = 0x17, ENCLOSURE_COMPONENT_SAS_EXPANDER = 0x18, }; /* 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, /* last element for counting purposes */ ENCLOSURE_STATUS_MAX }; /* 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); void (*get_power_status)(struct enclosure_device *, struct enclosure_component *); int (*set_power_status)(struct enclosure_device *, struct enclosure_component *, int); int (*show_id)(struct enclosure_device *, char *buf); }; struct enclosure_component { void *scratch; struct device cdev; struct device *dev; enum enclosure_component_type type; int number; int fault; int active; int locate; int slot; enum enclosure_status status; int power_status; }; struct enclosure_device { void *scratch; struct list_head node; struct device edev; struct enclosure_component_callbacks *cb; int components; struct enclosure_component component[]; }; 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_alloc(struct enclosure_device *, unsigned int, enum enclosure_component_type, const char *); int enclosure_component_register(struct enclosure_component *); int enclosure_add_device(struct enclosure_device *enclosure, int component, struct device *dev); int enclosure_remove_device(struct enclosure_device *, struct device *); struct enclosure_device *enclosure_find(struct device *dev, struct enclosure_device *start); int enclosure_for_each_device(int (*fn)(struct enclosure_device *, void *), void *data); #endif /* _LINUX_ENCLOSURE_H_ */
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