108 lines
2.6 KiB
C
108 lines
2.6 KiB
C
/*
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* Copyright 2013, Haiku, Inc. All Rights Reserved.
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* Distributed under the terms of the MIT License.
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*
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* Authors:
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* Ingo Weinhold <ingo_weinhold@gmx.de>
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*/
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#ifndef _PACKAGE__PRIVATE__PACKAGE_FS_H_
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#define _PACKAGE__PRIVATE__PACKAGE_FS_H_
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#include <Drivers.h>
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enum PackageFSMountType {
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PACKAGE_FS_MOUNT_TYPE_SYSTEM,
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PACKAGE_FS_MOUNT_TYPE_HOME,
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PACKAGE_FS_MOUNT_TYPE_CUSTOM,
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PACKAGE_FS_MOUNT_TYPE_ENUM_COUNT
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};
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enum {
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PACKAGE_FS_OPERATION_GET_VOLUME_INFO = B_DEVICE_OP_CODES_END + 1,
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PACKAGE_FS_OPERATION_GET_PACKAGE_INFOS,
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PACKAGE_FS_OPERATION_CHANGE_ACTIVATION
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};
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// PACKAGE_FS_OPERATION_GET_VOLUME_INFO
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struct PackageFSDirectoryInfo {
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// node_ref of the directory
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dev_t deviceID;
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ino_t nodeID;
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};
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struct PackageFSVolumeInfo {
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PackageFSMountType mountType;
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// device and node id of the respective package FS root scope (e.g. "/boot"
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// for the three standard volumes)
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dev_t rootDeviceID;
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ino_t rootDirectoryID;
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// packageCount is set to the actual packages directory count, even if it is
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// greater than the array, so the caller can determine whether the array was
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// large enough.
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// The directories are ordered from the most recent state (the actual
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// "packages" directory) to the oldest one, the one that is actually active.
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uint32 packagesDirectoryCount;
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PackageFSDirectoryInfo packagesDirectoryInfos[1];
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};
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// PACKAGE_FS_OPERATION_GET_PACKAGE_INFOS
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struct PackageFSPackageInfo {
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// node_ref and entry_ref of the package file
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dev_t packageDeviceID;
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dev_t directoryDeviceID;
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ino_t packageNodeID;
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ino_t directoryNodeID;
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const char* name;
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};
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struct PackageFSGetPackageInfosRequest {
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// Filled in by the FS. bufferSize is set to the required buffer size, even
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// even if the provided buffer is smaller.
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uint32 bufferSize;
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uint32 packageCount;
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PackageFSPackageInfo infos[1];
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};
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// PACKAGE_FS_OPERATION_CHANGE_ACTIVATION
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enum PackageFSActivationChangeType {
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PACKAGE_FS_ACTIVATE_PACKAGE,
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PACKAGE_FS_DEACTIVATE_PACKAGE,
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PACKAGE_FS_REACTIVATE_PACKAGE
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};
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struct PackageFSActivationChangeItem {
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PackageFSActivationChangeType type;
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// node_ref of the package file
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dev_t packageDeviceID;
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ino_t packageNodeID;
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// entry_ref of the package file
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uint32 nameLength;
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dev_t parentDeviceID;
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ino_t parentDirectoryID;
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char* name;
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// must point to a location within the
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// request
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};
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struct PackageFSActivationChangeRequest {
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uint32 itemCount;
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PackageFSActivationChangeItem items[0];
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};
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#endif // _PACKAGE__PRIVATE__PACKAGE_FS_H_
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