mirror of
https://github.com/ibm-s390-linux/s390-tools.git
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b627b8d8e1
This commit is based on the s390-tools-1.39.0 version. Changes on top of s390-tools-1.39.0: - Add MIT license to all source files - Add LICENSE file - Transform REAMDE to README.md (markdown) - Add AUTHORS.md file - Add CONTRIBUTING.md file - Move changelog from README to CHANGELOG.md file Reviewed-by: Stefan Haberland <sth@linux.vnet.ibm.com> Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
111 lines
3.5 KiB
C
111 lines
3.5 KiB
C
/*
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* zdev - Modify and display the persistent configuration of devices
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*
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* Copyright IBM Corp. 2016, 2017
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*
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* s390-tools is free software; you can redistribute it and/or modify
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* it under the terms of the MIT license. See LICENSE for details.
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*/
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#ifndef DEVTYPE_H
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#define DEVTYPE_H
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#include <stddef.h>
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#include "exit_code.h"
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#include "misc.h"
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#define DEVTYPE_TITLE_LEN 60
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struct devtype;
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struct device;
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struct devnode;
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struct namespace;
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struct selected_dev_node;
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struct subtype;
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struct util_list;
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/* NULL-terminated list of device types. */
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extern struct devtype *devtypes[];
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/* Define a NULL-terminated list of struct subtypes */
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#define SUBTYPE_ARRAY(...) ((struct subtype *[]) { __VA_ARGS__ NULL })
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/**
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* struct devtype - Definition of a device type
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* @name: Short name of this device type
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* @title: Short description of this device type (max. 60 characters).
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* devtypes with empty title will not be shown with --list-types.
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* @devname: Short name for devices of this device type
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* @modules: (Optional) Array of kernel modules required for this devtype
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* @subtypes: Array of subtypes
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* @type_attribs: Array of device type attributes (may point to empty array)
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* @unknown_type_attribs: Allow specification of unknown device type attributes
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* @processed: Set if device type has already been processed
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*
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* @active_settings: Device type settings from the active configuration
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* @persistent_settings: Device type settings from the persistent configuration
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* @active_exists: Devtype configuration exists in active configuration
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* @persistent_exists: Devtype configuration exists in persistent configuration
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*
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* @init: Initialize device type
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* @exit: Release dynamically allocated resources associated with this type
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* @read_settings: Retrieve device type settings from specified configuration
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* @write_settings: Apply device type settings to specified configuration
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*/
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struct devtype {
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/* Static data */
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const char *name;
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const char title[DEVTYPE_TITLE_LEN + 1];
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const char *devname;
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const char **modules;
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struct subtype **subtypes;
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struct attrib **type_attribs;
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unsigned int unknown_type_attribs:1;
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/* Dynamic data */
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struct setting_list *active_settings;
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struct setting_list *persistent_settings;
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unsigned int active_exists:1;
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unsigned int persistent_exists:1;
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unsigned int processed:1;
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/* Methods */
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void (*init)(struct devtype *);
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void (*exit)(struct devtype *);
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/* Devtype settings. */
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exit_code_t (*read_settings)(struct devtype *, config_t);
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exit_code_t (*write_settings)(struct devtype *, config_t);
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};
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void devtypes_init(void);
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void devtypes_exit(void);
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void devtype_print(struct devtype *, int);
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struct devtype *devtype_find(const char *);
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struct attrib *devtype_find_type_attrib(struct devtype *, const char *);
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struct attrib *devtype_find_dev_attrib(struct devtype *, const char *);
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exit_code_t devtype_apply_settings(struct devtype *, config_t,
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struct util_list *);
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exit_code_t devtype_apply_strlist(struct devtype *, config_t,
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struct util_list *);
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bool devtype_is_id_valid(struct devtype *, const char *);
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bool devtype_is_id_range_valid(struct devtype *, const char *);
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bool devtype_needs_writing(struct devtype *, config_t);
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void devtype_add_modules(struct util_list *, struct devtype *, int);
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bool devtype_is_module_loaded(struct devtype *);
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int devtype_count_namespaces(struct devtype *);
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int devtype_count_subtypes(struct devtype *);
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struct namespace *devtype_most_similar_namespace(struct devtype *,
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struct subtype *,
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const char *id);
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#endif /* DEVTYPE_H */
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