haiku/headers/private/fs_shell/fssh_disk_device_manager.h
Ingo Weinhold 8c8f8c8420 Added scan_partition() function which can be used by disk systems (e.g.
in *_initialize()) to save some work.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@22441 a95241bf-73f2-0310-859d-f6bbb57e9c96
2007-10-04 18:03:24 +00:00

139 lines
4.1 KiB
C

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