1 /* 2 * Copyright 2003-2008, Haiku Inc. 3 * Distributed under the terms of the MIT License. 4 */ 5 #ifndef _K_DISK_DEVICE_MODULES_H 6 #define _K_DISK_DEVICE_MODULES_H 7 8 //! Interface to be implemented by partitioning modules. 9 10 #include <disk_device_manager.h> 11 #include <module.h> 12 #include <SupportDefs.h> 13 14 15 typedef struct partition_module_info { 16 module_info module; 17 const char* short_name; 18 const char* pretty_name; 19 uint32 flags; 20 21 // scanning 22 // (the device is write locked) 23 float (*identify_partition)(int fd, partition_data* partition, 24 void** cookie); 25 status_t (*scan_partition)(int fd, partition_data* partition, 26 void* identifyCookie); 27 void (*free_identify_partition_cookie)(partition_data* partition, 28 void* cookie); 29 void (*free_partition_cookie)(partition_data* partition); 30 void (*free_partition_content_cookie)(partition_data* partition); 31 32 33 // querying 34 // (the device is read locked) 35 uint32 (*get_supported_operations)(partition_data* partition, uint32 mask); 36 uint32 (*get_supported_child_operations)(partition_data* partition, 37 partition_data* child, uint32 mask); 38 39 bool (*supports_initializing_child)(partition_data* partition, 40 const char* system); 41 bool (*is_sub_system_for)(partition_data* partition); 42 43 bool (*validate_resize)(partition_data* partition, off_t* size); 44 bool (*validate_resize_child)(partition_data* partition, 45 partition_data* child, off_t* size); 46 bool (*validate_move)(partition_data* partition, off_t* start); 47 bool (*validate_move_child)(partition_data* partition, 48 partition_data* child, off_t* start); 49 bool (*validate_set_name)(partition_data* partition, char* name); 50 bool (*validate_set_content_name)(partition_data* partition, char* name); 51 bool (*validate_set_type)(partition_data* partition, const char* type); 52 bool (*validate_set_parameters)(partition_data* partition, 53 const char* parameters); 54 55 bool (*validate_set_content_parameters)(partition_data* partition, 56 const char* parameters); 57 bool (*validate_initialize)(partition_data* partition, char* name, 58 const char* parameters); 59 bool (*validate_create_child)(partition_data* partition, off_t* start, 60 off_t* size, const char* type, const char* parameters, 61 int32* index); 62 status_t (*get_partitionable_spaces)(partition_data* partition, 63 partitionable_space_data* buffer, int32 count, 64 int32* actualCount); 65 // When not implemented, a standard algorithm is used. 66 67 status_t (*get_next_supported_type)(partition_data* partition, 68 int32* cookie, char* type); 69 status_t (*get_type_for_content_type)(const char* contentType, char* type); 70 71 72 // shadow partition modification 73 // (device is write locked) 74 status_t (*shadow_changed)(partition_data* partition, 75 partition_data *child, uint32 operation); 76 77 78 // writing 79 // (device is NOT locked) 80 status_t (*repair)(int fd, partition_id partition, bool checkOnly, 81 disk_job_id job); 82 status_t (*resize)(int fd, partition_id partition, off_t size, 83 disk_job_id job); 84 status_t (*resize_child)(int fd, partition_id partition, off_t size, 85 disk_job_id job); 86 status_t (*move)(int fd, partition_id partition, off_t offset, 87 disk_job_id job); 88 status_t (*move_child)(int fd, partition_id partition, partition_id child, 89 off_t offset, disk_job_id job); 90 status_t (*set_name)(int fd, partition_id partition, const char* name, 91 disk_job_id job); 92 status_t (*set_content_name)(int fd, partition_id partition, 93 const char* name, disk_job_id job); 94 status_t (*set_type)(int fd, partition_id partition, const char* type, 95 disk_job_id job); 96 status_t (*set_parameters)(int fd, partition_id partition, 97 const char* parameters, disk_job_id job); 98 status_t (*set_content_parameters)(int fd, partition_id partition, 99 const char* parameters, disk_job_id job); 100 status_t (*initialize)(int fd, partition_id partition, const char* name, 101 const char *parameters, off_t partitionSize, disk_job_id job); 102 status_t (*create_child)(int fd, partition_id partition, off_t offset, 103 off_t size, const char* type, const char* parameters, 104 disk_job_id job, partition_id* childID); 105 // childID is used for the return value, but is also an optional input 106 // parameter -- -1 to be ignored 107 status_t (*delete_child)(int fd, partition_id partition, partition_id child, 108 disk_job_id job); 109 } partition_module_info; 110 111 #endif // _K_DISK_DEVICE_MODULES_H 112