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Diffstat (limited to 'include/ntapi/nt_vmount.h')
| -rw-r--r-- | include/ntapi/nt_vmount.h | 329 |
1 files changed, 0 insertions, 329 deletions
diff --git a/include/ntapi/nt_vmount.h b/include/ntapi/nt_vmount.h deleted file mode 100644 index 5fcaab1..0000000 --- a/include/ntapi/nt_vmount.h +++ /dev/null @@ -1,329 +0,0 @@ -#ifndef _NT_VMOUNT_H_ -#define _NT_VMOUNT_H_ - -#include "nt_abi.h" -#include "nt_compiler.h" -#include "nt_port.h" -#include "nt_file.h" -#include "nt_statfs.h" -#include "nt_tty.h" - -/** - * vmount api: - * ----------- - * this header provides an api that can be used to - * implement a virtual mount system. note, however, - * that this library does not (and should not) - * provide the server-side implementation of the - * system, but only the client-side functionality. - * in the larger-scale midipix project, for - * instance, a session-wide virtual mount system - * is provided by the subsystem ntctty; if you - * are writing a free-standing midipix application, - * then you may either use the interfaces provided - * by ntctty, or roll your own. -**/ - - -/** virtual mount system: concepts - * ------------------------------ - * elements of the virtual mount system are exposed to the - * client in terms of offsets from the virtual mount system - * base address, rather than absolute pointers. when using - * a shared memory section, this allows each client to map - * the virtual mount system at an address that is independent - * of all other clients. most importantly, clients are only - * granted read-only access to the section, and it is hence - * impossible for a malformed client to trash the contents - * of the virtual mount system. - * - * to locate information regarding a particular mount point, - * the client traverses the virtual mount system using several - * numeric keys. - * - * the server_key member of the virtual mount system structure, - * in combination with the node-specific server keys, allow clients - * to efficiently use a single ref_counter server call at the end of - * the path resolution process. - * - * in the larger-scale midipix project, the above call fails only when - * a referenced mount point has in the meantime become invalid; in other - * words, the call shall succeed even if the queried mount point is - * no longer found at the top of the target directory stack. -**/ - - -typedef intptr_t nt_vms_offset; -typedef struct nt_vms_cache_interface * nt_vms_cache; - - -typedef struct _nt_vms_flags { - uint16_t rel_depth; - uint16_t attr; -} nt_vms_flags; - -typedef struct __attr_ptr_size_aligned__ _nt_vms_point { - intptr_t target; - intptr_t source; - nt_vms_offset parent; - nt_vms_offset prev; - nt_vms_offset next; - int32_t fstype; - nt_vms_flags flags; - nt_luid luid; - intptr_t ref_count; - intptr_t server_key; - int32_t stack_index; - int32_t status; - nt_fii fii; - uint32_t dev_name_hash; - uint16_t dev_name_strlen; - uint16_t dev_name_maxlen; - nt_vms_offset dev_name; - uint32_t end_component_hash; - uint16_t end_component_strlen; - uint16_t end_component_maxlen; - nt_vms_offset end_component; - uint32_t src_fstype_hash; - uint32_t src_attr; - uint32_t src_control_flags; - wchar16_t src_drive_letter; - wchar16_t src_padding; - nt_guid src_volume_guid; - nt_fii src_fii; - uint32_t src_dev_name_hash; - uint32_t reserved; -} nt_vms_point; - - -typedef struct _nt_vms_node { - nt_vms_offset prev; - nt_vms_offset next; - uint32_t end_component_hash; - uint32_t dev_name_hash; - nt_large_integer index_number; - nt_vms_offset stack; -} nt_vms_node; - - -typedef struct __attr_ptr_size_aligned__ _nt_vms_system { - intptr_t client_key; - intptr_t server_key; - void * hroot; - intptr_t vms_points_cap; - nt_vms_offset dev_name_head_node; /* dev_name_hash, fii.index_number */ - nt_vms_offset end_component_head_node; /* end_component_hash, dev_name_hash, fii.index_number */ -} nt_vms_system; - - -typedef enum _nt_vms_opcodes { - NT_VMS_CLIENT_OPCODE_BASE = 0x80000, - /* virtual mount system daemon opcodes */ - NT_VMS_CLIENT_CONNECT = NT_VMS_CLIENT_OPCODE_BASE, - NT_VMS_CLIENT_DISCONNECT, - NT_VMS_CLIENT_UNSHARE, - NT_VMS_CLIENT_CONFIG, - NT_VMS_POINT_ATTACH, - NT_VMS_POINT_DETACH, - NT_VMS_POINT_GET_HANDLES, - NT_VMS_POINT_GET_VOLINFO, - NT_VMS_REF_COUNT_INC, - NT_VMS_REF_COUNT_DEC, - NT_VMS_TABLE_QUERY, - NT_VMS_TABLE_CLONE, - /* client opcodes: exclusive upper limit */ - NT_VMS_CLIENT_OPCODE_CAP -} nt_vms_opcodes; - -typedef struct __attr_ptr_size_aligned__ _nt_vms_msg_info { - uintptr_t msg_id; - uint32_t opcode; - int32_t status; - uintptr_t msg_key; -} nt_vms_msg_info; - - -typedef struct __attr_ptr_size_aligned__ _nt_vms_daemon_info { - nt_guid daemon_guid; - uint32_t srv_pid; - uint32_t srv_tid; - uint32_t session; - uint32_t instance; - uint32_t ver_maj; - uint32_t ver_min; - uint32_t section_size; - uint32_t advisory_size; - uint32_t points_mounted; - uint32_t points_available; - void * section_handle; -} nt_vms_daemon_info; - - -/* attach/detach */ -typedef struct __attr_ptr_size_aligned__ _nt_vms_point_info { - nt_vms_point point; - nt_fii src_fii; - uint32_t src_dev_name_hash; - uint32_t src_flags; -} nt_vms_point_info; - - -/* inc/dec */ -typedef struct __attr_ptr_size_aligned__ _nt_vms_ref_count_info { - nt_vms_offset ref_point; - nt_luid luid; - intptr_t server_key; - intptr_t ref_count; - nt_fii fii; - uint32_t dev_name_hash; - int32_t stack_index; - void * hsource; - void * htarget; -} nt_vms_ref_count_info; - - -/* query/clone */ -typedef struct __attr_ptr_size_aligned__ _nt_vms_table_info { - intptr_t client_key; - intptr_t client_section_addr; - intptr_t client_section_size; - intptr_t reserved; -} nt_vms_table_info; - - -typedef struct __attr_ptr_size_aligned__ _nt_vms_daemon_msg { - nt_port_message header; - struct { - nt_vms_msg_info msginfo; - - union { - nt_vms_daemon_info vmsinfo; - nt_vms_point_info pointinfo; - nt_vms_ref_count_info refcntinfo; - }; - } data; -} nt_vms_daemon_msg; - - -typedef struct __attr_ptr_size_aligned__ _nt_vms_port_msg { - nt_port_message header; - nt_vms_msg_info msginfo; - - union { - nt_vms_daemon_info vmsinfo; - nt_vms_point_info pointinfo; - nt_vms_ref_count_info refcntinfo; - }; -} nt_vms_port_msg; - - -/* vms helper functions */ -typedef nt_vms_node * __stdcall ntapi_vms_get_end_component_first_node( - __in nt_vms_system * pvms_sys, - __in uint32_t end_component_hash); - - -typedef nt_vms_node * __stdcall ntapi_vms_get_node_by_dev_name( - __in nt_vms_system * pvms_sys, - __in uint32_t dev_name_hash, - __in nt_large_integer index_number); - - -typedef nt_vms_node * __stdcall ntapi_vms_get_node_by_end_component( - __in nt_vms_system * pvms_sys, - __in uint32_t end_component_hash, - __in uint32_t dev_name_hash, - __in nt_large_integer index_number); - - -typedef nt_vms_point * __stdcall ntapi_vms_get_top_of_stack_mount_point( - __in nt_vms_system * pvms_sys, - __in nt_vms_node * node); - - -/* vms optional cache functions */ -typedef nt_vms_cache __stdcall ntapi_vms_cache_alloc( - __in nt_vms_system * vms_sys, - __in uint32_t flags __reserved, - __in void * options __reserved, - __out int32_t * status __optional); - - -typedef int32_t __stdcall ntapi_vms_cache_free( - __in nt_vms_cache cache); - - -typedef int32_t __stdcall ntapi_vms_cache_record_append( - __in nt_vms_cache cache, - __in void * hfile, - __in uint32_t dev_name_hash, - __in nt_large_integer index_number, - __in intptr_t client_key, - __in intptr_t server_key); - - -typedef int32_t __stdcall ntapi_vms_cache_record_remove( - __in nt_vms_cache cache, - __in void * hfile); - - -/* vms server calls */ -typedef int32_t __stdcall ntapi_vms_client_connect( - __out void ** hvms, - __in nt_tty_vms_info * vmsinfo); - - -typedef int32_t __stdcall ntapi_vms_client_disconnect( - __in void * hvms); - - -typedef int32_t __stdcall ntapi_vms_client_unshare( - __in void * hvms, - __out nt_tty_vms_info * vmsinfo); - - -typedef int32_t __stdcall ntapi_vms_client_config( - __in void * hvms); - - -typedef int32_t __stdcall ntapi_vms_point_attach( - __in void * hvms, - __in nt_vms_point_info * point_info); - - -typedef int32_t __stdcall ntapi_vms_point_detach( - __in void * hvms, - __in nt_vms_ref_count_info * ref_cnt_info); - - -typedef int32_t __stdcall ntapi_vms_point_get_handles( - __in void * hvms, - __in nt_vms_ref_count_info * ref_cnt_info); - - -typedef int32_t __stdcall ntapi_vms_point_get_volinfo( - __in void * hvms, - __in nt_vms_point_info * point_info); - - -typedef int32_t __stdcall ntapi_vms_ref_count_inc( - __in void * hvms, - __in nt_vms_ref_count_info * ref_cnt_info); - - -typedef int32_t __stdcall ntapi_vms_ref_count_dec( - __in void * hvms, - __in nt_vms_ref_count_info * ref_cnt_info); - - -typedef int32_t __stdcall ntapi_vms_table_query( - __in void * hvms, - __in nt_vms_daemon_info * vms_info); - - -typedef int32_t __stdcall ntapi_vms_table_clone( - __in void * hvms, - __in nt_vms_daemon_info * vms_info); - - -#endif |