47f39c93cb
VFS's interface, so that a file system only has to implement one interface. As a side effect, the automatic file system detection may now work (not yet tested, though). git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@12786 a95241bf-73f2-0310-859d-f6bbb57e9c96
222 lines
8.3 KiB
C
222 lines
8.3 KiB
C
// ddm_userland_interface.h
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#ifndef _DISK_DEVICE_MANAGER_USERLAND_INTERFACE_H
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#define _DISK_DEVICE_MANAGER_USERLAND_INTERFACE_H
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#include <OS.h>
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#include <storage/DiskDeviceDefs.h>
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#include <disk_device_manager.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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// userland partition representation
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typedef struct user_partition_data user_partition_data;
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struct user_partition_data {
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partition_id id;
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partition_id shadow_id;
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off_t offset;
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off_t size;
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off_t content_size;
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uint32 block_size;
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uint32 status;
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uint32 flags;
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dev_t volume;
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int32 index;
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int32 change_counter; // needed?
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disk_system_id disk_system;
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char *name;
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char *content_name;
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char *type;
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char *content_type;
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char *parameters;
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char *content_parameters;
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void *user_data;
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int32 child_count;
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user_partition_data *children[1];
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};
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// userland disk device representation
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typedef struct user_disk_device_data {
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uint32 device_flags;
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char *path;
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user_partition_data device_partition_data;
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} user_disk_device_data;
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// userland partitionable space representation
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typedef struct user_disk_system_info {
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disk_system_id id;
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char name[B_FILE_NAME_LENGTH]; // better B_PATH_NAME_LENGTH?
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char pretty_name[B_OS_NAME_LENGTH];
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uint32 flags;
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} user_disk_system_info;
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// userland disk device job representation
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typedef struct user_disk_device_job_info {
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disk_job_id id;
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uint32 type;
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partition_id partition;
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char description[256];
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} user_disk_device_job_info;
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/*! Syscalls entries */
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// iterating, retrieving device/partition data
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partition_id _user_get_next_disk_device_id(int32 *cookie, size_t *neededSize);
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partition_id _user_find_disk_device(const char *filename, size_t *neededSize);
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partition_id _user_find_partition(const char *filename, size_t *neededSize);
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status_t _user_get_disk_device_data(partition_id deviceID, bool deviceOnly,
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bool shadow, user_disk_device_data *buffer,
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size_t bufferSize, size_t *neededSize);
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partition_id _user_register_file_device(const char *filename);
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status_t _user_unregister_file_device(partition_id deviceID,
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const char *filename);
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// Only a valid deviceID or filename need to be passed. The other one
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// is -1/NULL. If both is given only filename is ignored.
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// disk systems
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status_t _user_get_disk_system_info(disk_system_id id,
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user_disk_system_info *info);
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status_t _user_get_next_disk_system_info(int32 *cookie,
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user_disk_system_info *info);
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status_t _user_find_disk_system(const char *name, user_disk_system_info *info);
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bool _user_supports_defragmenting_partition(partition_id partitionID,
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int32 changeCounter,
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bool *whileMounted);
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bool _user_supports_repairing_partition(partition_id partitionID,
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int32 changeCounter, bool checkOnly,
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bool *whileMounted);
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bool _user_supports_resizing_partition(partition_id partitionID,
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int32 changeCounter,
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bool *canResizeContents,
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bool *whileMounted);
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bool _user_supports_moving_partition(partition_id partitionID,
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int32 changeCounter,
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partition_id *unmovable,
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partition_id *needUnmounting,
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size_t bufferSize);
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bool _user_supports_setting_partition_name(partition_id partitionID,
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int32 changeCounter);
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bool _user_supports_setting_partition_content_name(partition_id partitionID,
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int32 changeCounter,
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bool *whileMounted);
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bool _user_supports_setting_partition_type(partition_id partitionID,
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int32 changeCounter);
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bool _user_supports_setting_partition_parameters(partition_id partitionID,
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int32 changeCounter);
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bool _user_supports_setting_partition_content_parameters(
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partition_id partitionID, int32 changeCounter, bool *whileMounted);
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bool _user_supports_initializing_partition(partition_id partitionID,
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int32 changeCounter,
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const char *diskSystemName);
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bool _user_supports_creating_child_partition(partition_id partitionID,
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int32 changeCounter);
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bool _user_supports_deleting_child_partition(partition_id partitionID,
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int32 changeCounter);
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bool _user_is_sub_disk_system_for(disk_system_id diskSystemID,
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partition_id partitionID,
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int32 changeCounter);
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status_t _user_validate_resize_partition(partition_id partitionID,
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int32 changeCounter, off_t *size);
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status_t _user_validate_move_partition(partition_id partitionID,
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int32 changeCounter, off_t *newOffset);
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status_t _user_validate_set_partition_name(partition_id partitionID,
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int32 changeCounter, char *name);
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status_t _user_validate_set_partition_content_name(partition_id partitionID,
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int32 changeCounter,
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char *name);
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status_t _user_validate_set_partition_type(partition_id partitionID,
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int32 changeCounter,
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const char *type);
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status_t _user_validate_initialize_partition(partition_id partitionID,
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int32 changeCounter,
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const char *diskSystemName,
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char *name,
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const char *parameters,
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size_t parametersSize);
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status_t _user_validate_create_child_partition(partition_id partitionID,
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int32 changeCounter,
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off_t *offset, off_t *size,
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const char *type,
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const char *parameters,
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size_t parametersSize);
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status_t _user_get_partitionable_spaces(partition_id partitionID,
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int32 changeCounter,
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partitionable_space_data *buffer,
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int32 count, int32 *actualCount);
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status_t _user_get_next_supported_partition_type(partition_id partitionID,
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int32 changeCounter,
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int32 *cookie, char *type);
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status_t _user_get_partition_type_for_content_type(disk_system_id diskSystemID,
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const char *contentType,
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char *type);
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// disk device modification
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status_t _user_prepare_disk_device_modifications(partition_id deviceID);
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status_t _user_commit_disk_device_modifications(partition_id deviceID,
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port_id port, int32 token,
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bool completeProgress);
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status_t _user_cancel_disk_device_modifications(partition_id deviceID);
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bool _user_is_disk_device_modified(partition_id deviceID);
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status_t _user_defragment_partition(partition_id partitionID,
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int32 changeCounter);
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status_t _user_repair_partition(partition_id partitionID, int32 changeCounter,
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bool checkOnly);
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status_t _user_resize_partition(partition_id partitionID, int32 changeCounter,
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off_t size);
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status_t _user_move_partition(partition_id partitionID, int32 changeCounter,
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off_t newOffset);
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status_t _user_set_partition_name(partition_id partitionID,
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int32 changeCounter, const char *name);
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status_t _user_set_partition_content_name(partition_id partitionID,
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int32 changeCounter,
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const char *name);
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status_t _user_set_partition_type(partition_id partitionID,
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int32 changeCounter, const char *type);
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status_t _user_set_partition_parameters(partition_id partitionID,
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int32 changeCounter,
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const char *parameters,
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size_t parametersSize);
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status_t _user_set_partition_content_parameters(partition_id partitionID,
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int32 changeCounter,
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const char *parameters,
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size_t parametersSize);
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status_t _user_initialize_partition(partition_id partitionID,
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int32 changeCounter,
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const char *diskSystemName,
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const char *name, const char *parameters,
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size_t parametersSize);
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status_t _user_uninitialize_partition(partition_id partitionID,
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int32 changeCounter);
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status_t _user_create_child_partition(partition_id partitionID,
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int32 changeCounter, off_t offset,
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off_t size, const char *type,
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const char *parameters,
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size_t parametersSize,
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partition_id *childID);
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status_t _user_delete_partition(partition_id partitionID, int32 changeCounter);
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// jobs
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status_t _user_get_next_disk_device_job_info(int32 *cookie,
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user_disk_device_job_info *info);
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status_t _user_get_disk_device_job_info(disk_job_id id,
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user_disk_device_job_info *info);
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status_t _user_get_disk_device_job_progress_info(disk_job_id id,
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disk_device_job_progress_info *info);
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status_t _user_pause_disk_device_job(disk_job_id id);
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status_t _user_cancel_disk_device_job(disk_job_id id, bool reverse);
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#ifdef __cplusplus
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}
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#endif
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#endif // _DISK_DEVICE_MANAGER_USERLAND_INTERFACE_H
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