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d952358636
Device quirks may cause sysfs wwid file to change what it displays, from a bogus eui... string to an nvme... string. The old wwid may be saved in system.devices, so recognizing the device requires finding the old value from libnvme. After matching the old bogus value using libnvme, system.devices is updated with the current sysfs wwid value.
88 lines
4.2 KiB
C
88 lines
4.2 KiB
C
/*
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* Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
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* Copyright (C) 2004-2007 Red Hat, Inc. All rights reserved.
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*
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* This file is part of LVM2.
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*
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* This copyrighted material is made available to anyone wishing to use,
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* modify, copy, or redistribute it subject to the terms and conditions
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* of the GNU Lesser General Public License v.2.1.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef _LVM_DEVICE_ID_H
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#define _LVM_DEVICE_ID_H
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void free_du(struct dev_use *du);
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void free_dus(struct dm_list *list);
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void free_did(struct dev_id *did);
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void free_dids(struct dm_list *list);
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const char *idtype_to_str(uint16_t idtype);
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uint16_t idtype_from_str(const char *str);
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const char *dev_idtype_for_metadata(struct cmd_context *cmd, struct device *dev);
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const char *dev_idname_for_metadata(struct cmd_context *cmd, struct device *dev);
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int device_ids_use_devname(struct cmd_context *cmd);
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int device_ids_use_lvmlv(struct cmd_context *cmd);
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int device_ids_read(struct cmd_context *cmd);
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int device_ids_write(struct cmd_context *cmd);
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int device_id_add(struct cmd_context *cmd, struct device *dev, const char *pvid,
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const char *idtype_arg, const char *id_arg, int use_idtype_only);
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void device_id_pvremove(struct cmd_context *cmd, struct device *dev);
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void device_id_lvremove(struct cmd_context *cmd, struct dm_list *removed_uuids);
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void device_ids_match(struct cmd_context *cmd);
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int device_ids_match_dev(struct cmd_context *cmd, struct device *dev);
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void device_ids_match_device_list(struct cmd_context *cmd);
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void device_ids_validate(struct cmd_context *cmd, struct dm_list *scanned_devs, int using_hints,
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int noupdate, int *update_needed);
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void device_ids_check_serial(struct cmd_context *cmd, struct dm_list *scan_devs,
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int noupdate, int *update_needed);
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void device_ids_search(struct cmd_context *cmd, struct dm_list *new_devs,
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int all_ids, int noupdate, int *update_needed);
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char *device_id_system_read(struct cmd_context *cmd, struct device *dev, uint16_t idtype);
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void device_id_update_vg_uuid(struct cmd_context *cmd, struct volume_group *vg, struct id *old_vg_id);
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int device_ids_version_unchanged(struct cmd_context *cmd);
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struct dev_use *get_du_for_devno(struct cmd_context *cmd, dev_t devno);
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struct dev_use *get_du_for_dev(struct cmd_context *cmd, struct device *dev);
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struct dev_use *get_du_for_pvid(struct cmd_context *cmd, const char *pvid);
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struct dev_use *get_du_for_devname(struct cmd_context *cmd, const char *devname);
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struct dev_use *get_du_for_device_id(struct cmd_context *cmd, uint16_t idtype, const char *idname);
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char *devices_file_version(void);
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int devices_file_exists(struct cmd_context *cmd);
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int devices_file_touch(struct cmd_context *cmd);
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int lock_devices_file(struct cmd_context *cmd, int mode);
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int lock_devices_file_try(struct cmd_context *cmd, int mode, int *held);
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void unlock_devices_file(struct cmd_context *cmd);
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void devices_file_init(struct cmd_context *cmd);
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void devices_file_exit(struct cmd_context *cmd);
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void unlink_searched_devnames(struct cmd_context *cmd);
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int read_sys_block(struct cmd_context *cmd, struct device *dev, const char *suffix, char *sysbuf, int sysbufsize);
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int read_sys_block_binary(struct cmd_context *cmd, struct device *dev,
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const char *suffix, char *sysbuf, int sysbufsize, int *retlen);
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int dev_has_mpath_uuid(struct cmd_context *cmd, struct device *dev, char **idname_out);
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int scsi_type_to_idtype(int wwid_type);
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int nvme_type_to_idtype(int wwid_type);
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int idtype_to_scsi_type(int idtype);
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int idtype_to_nvme_type(int idtype);
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void free_wwids(struct dm_list *ids);
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struct dev_wwid *dev_add_wwid(char *id, int dw_type, int is_nvme, struct dm_list *ids);
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struct dev_wwid *dev_add_scsi_wwid(char *id, int dw_type, struct dm_list *ids);
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struct dev_wwid *dev_add_nvme_wwid(char *id, int dw_type, struct dm_list *ids);
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int dev_read_vpd_wwids(struct cmd_context *cmd, struct device *dev);
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void dev_read_nvme_wwids(struct device *dev);
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int dev_read_sys_wwid(struct cmd_context *cmd, struct device *dev,
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char *buf, int bufsize, struct dev_wwid **dw_out);
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int pv_device_id_is_stale(const struct physical_volume *pv);
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#endif
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