e1d495e36c
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@3607 a95241bf-73f2-0310-859d-f6bbb57e9c96
118 lines
4.3 KiB
C
118 lines
4.3 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 "disk_device_manager.h"
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// userland partition representation
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struct user_partition_data {
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partition_id id;
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off_t offset;
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off_t 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 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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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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};
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// userland partitionable space representation
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struct user_partitionable_space_data {
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off_t offset;
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off_t size;
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};
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// userland disk device job representation
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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 desription[256];
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};
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// iterating, retrieving device/partition data
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partition_id get_next_disk_device_id(int32 *cookie, size_t neededSize = NULL);
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status_t get_disk_device_data(partition_id deviceID, bool shadow,
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user_disk_device_data *buffer,
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size_t bufferSize, size_t *neededSize);
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status_t get_partition_data(partition_id partitionID, bool shadow,
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user_partition_data *buffer,
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size_t bufferSize, size_t *neededSize);
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// Dangerous?!
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status_t get_partitionable_spaces(partition_id partitionID, bool shadow,
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user_partitionable_space_data *buffer,
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size_t bufferSize, size_t *neededSize);
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// Pass the partition change counter? If GetPartitionInfo() is only
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// allowed, when the device is locked, then we wouldn't need it.
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// disk systems
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status_t find_disk_system(const char *name, disk_system_id *id);
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status_t get_next_disk_system(disk_system_id *id, char *name, int32 *cookie);
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// TODO: Add pretty name. Maybe better put all that into a
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// user_disk_system structure.
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bool supports_partition_operation(uint32 operation, void *parameters);
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bool validate_partition_operation(uint32 operation, void *parameters);
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// TODO: Sorry, I was too lazy: supports_validates_parameters.h is only
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// for kernel internal use. There needs to be something similar for these
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// functions.
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// partition modification
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status_t prepare_disk_device_modifications(partition_id device);
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status_t commit_disk_device_modifications(partition_id device, port_id port,
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int32 token, bool completeProgress);
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status_t cancel_disk_device_modifications(partition_id device);
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bool is_disk_device_modified(partition_id device);
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status_t defragment_partition(partition_id partition);
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status_t repair_partition(partition_id partition, bool checkOnly);
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status_t resize_partition(partition_id partition, off_t size);
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status_t move_partition(partition_id partition, off_t offset);
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status_t set_partition_parameters(partition_id partition,
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const char *parameters,
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const char *contentParameters);
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status_t initialize_partition(partition_id partition, const char *diskSystem,
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const char *parameters);
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// Note: There is also fs_initialize_volume(), which is not compatible
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// with this function, for it is more general with respect to how the
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// volume to be initialized is specified (though this might be solved
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// by providing an API for registering files as disk devices), and more
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// specific regarding the other parameters (flags and volumeName).
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status_t create_child_partition(partition_id partition, off_t offset,
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off_t size, const char *parameters,
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partition_id *child);
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status_t delete_partition(partition_id partition);
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// jobs
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status_t get_next_disk_device_job_info(user_disk_device_job_info *info,
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int32 *cookie);
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status_t 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 get_disk_device_job_status(disk_job_id id, uint32 *status,
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float *progress);
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// watching
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status_t start_disk_device_watching(port_id, int32 token, uint32 flags);
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status_t start_disk_device_job_watching(disk_job_id job, port_id, int32 token,
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uint32 flags);
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status_t stop_disk_device_watching(port_id, int32 token);
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#endif // _DISK_DEVICE_MANAGER_USERLAND_INTERFACE_H
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