139 lines
4.1 KiB
C
139 lines
4.1 KiB
C
/*
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* Copyright 2003-2007, 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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#ifndef _FSSH_DISK_DEVICE_MANAGER_H
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#define _FSSH_DISK_DEVICE_MANAGER_H
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#include "fssh_disk_device_defs.h"
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#include "fssh_drivers.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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// C API partition representation
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// Fields marked [sys] are set by the system and are not to be changed by
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// the disk system modules.
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typedef struct fssh_partition_data {
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fssh_partition_id id; // [sys]
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fssh_off_t offset;
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fssh_off_t size;
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fssh_off_t content_size;
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uint32_t block_size;
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int32_t child_count;
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int32_t index; // [sys]
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uint32_t status;
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uint32_t flags;
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fssh_dev_t volume; // [sys]
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void *mount_cookie; // [sys]
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char *name; // max: B_OS_NAME_LENGTH
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char *content_name; //
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char *type; //
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const char *content_type; // [sys]
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char *parameters;
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char *content_parameters;
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void *cookie;
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void *content_cookie;
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} fssh_partition_data;
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// C API disk device representation
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typedef struct fssh_disk_device_data {
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fssh_partition_id id; // equal to that of the root partition
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uint32_t flags;
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char *path;
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fssh_device_geometry geometry;
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} fssh_disk_device_data;
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// C API partitionable space representation
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typedef struct fssh_partitionable_space_data {
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fssh_off_t offset;
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fssh_off_t size;
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} fssh_partitionable_space_data;
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// operations on partitions
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enum {
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FSSH_B_PARTITION_DEFRAGMENT,
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FSSH_B_PARTITION_REPAIR,
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FSSH_B_PARTITION_RESIZE,
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FSSH_B_PARTITION_RESIZE_CHILD,
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FSSH_B_PARTITION_MOVE,
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FSSH_B_PARTITION_MOVE_CHILD,
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FSSH_B_PARTITION_SET_NAME,
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FSSH_B_PARTITION_SET_CONTENT_NAME,
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FSSH_B_PARTITION_SET_TYPE,
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FSSH_B_PARTITION_SET_PARAMETERS,
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FSSH_B_PARTITION_SET_CONTENT_PARAMETERS,
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FSSH_B_PARTITION_INITIALIZE,
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FSSH_B_PARTITION_CREATE_CHILD,
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FSSH_B_PARTITION_DELETE_CHILD,
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};
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// disk device job cancel status
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enum {
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FSSH_B_DISK_DEVICE_JOB_CONTINUE,
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FSSH_B_DISK_DEVICE_JOB_CANCEL,
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FSSH_B_DISK_DEVICE_JOB_REVERSE,
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};
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// disk device locking
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fssh_disk_device_data* fssh_write_lock_disk_device(
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fssh_partition_id partitionID);
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void fssh_write_unlock_disk_device(
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fssh_partition_id partitionID);
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fssh_disk_device_data* fssh_read_lock_disk_device(
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fssh_partition_id partitionID);
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void fssh_read_unlock_disk_device(
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fssh_partition_id partitionID);
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// parameter is the ID of any partition on the device
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// getting disk devices/partitions by path
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// (no locking required)
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int32_t fssh_find_disk_device(const char *path);
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int32_t fssh_find_partition(const char *path);
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// disk device/partition read access
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// (read lock required)
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fssh_disk_device_data* fssh_get_disk_device(fssh_partition_id partitionID);
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fssh_partition_data* fssh_get_partition(fssh_partition_id partitionID);
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fssh_partition_data* fssh_get_parent_partition(
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fssh_partition_id partitionID);
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fssh_partition_data* fssh_get_child_partition(fssh_partition_id partitionID,
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int32_t index);
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// partition write access
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// (write lock required)
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fssh_partition_data* fssh_create_child_partition(
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fssh_partition_id partitionID, int32_t index,
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fssh_partition_id childID);
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// childID is an optional input parameter -- -1 to be ignored
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bool fssh_delete_partition(fssh_partition_id partitionID);
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void fssh_partition_modified(fssh_partition_id partitionID);
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// tells the disk device manager, that the parition has been modified
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fssh_status_t fssh_scan_partition(fssh_partition_id partitionID);
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// Service method for disks systems: Synchronously scans the partition.
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// Device must not be locked.
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// disk systems
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fssh_disk_system_id fssh_find_disk_system(const char *name);
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// jobs
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bool fssh_update_disk_device_job_progress(fssh_disk_job_id jobID,
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float progress);
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bool fssh_update_disk_device_job_extra_progress(fssh_disk_job_id jobID,
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const char *info);
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bool fssh_set_disk_device_job_error_message(fssh_disk_job_id jobID,
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const char *message);
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uint32_t fssh_update_disk_device_job_interrupt_properties(
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fssh_disk_job_id jobID, uint32_t interruptProperties);
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// returns one of B_DISK_DEVICE_JOB_{CONTINUE,CANCEL,REVERSE}
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#ifdef __cplusplus
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}
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#endif
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#endif // _FSSH_DISK_DEVICE_MANAGER_H
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