1 // SPDX-License-Identifier: MIT
5  * Copyright (C) 2006-2018 Oracle Corporation
27 	strcpy(loc.u.localhost.service_name, "VBoxSharedFolders");  in vboxsf_connect()
31 		return -ENODEV;	/* No guest-device */  in vboxsf_connect()
47 		return;   /* guest-device is gone, already disconnected */  in vboxsf_disconnect()
60 		return -ESHUTDOWN; /* guest-dev removed underneath us */  in vboxsf_call()
81 	parms.path.u.pointer.size = shfl_string_buf_size(folder_name);  in vboxsf_map_folder()
82 	parms.path.u.pointer.u.linear_addr = (uintptr_t)folder_name;  in vboxsf_map_folder()
85 	parms.root.u.value32 = 0;  in vboxsf_map_folder()
88 	parms.delimiter.u.value32 = '/';  in vboxsf_map_folder()
91 	parms.case_sensitive.u.value32 = 1;  in vboxsf_map_folder()
95 	if (err == -ENOSYS && status == VERR_NOT_IMPLEMENTED)  in vboxsf_map_folder()
98 	*root = parms.root.u.value32;  in vboxsf_map_folder()
107 	parms.root.u.value32 = root;  in vboxsf_unmap_folder()
114  * vboxsf_create - Create a new file or folder
121  * occurs - out of memory, invalid arguments, etc. If the file or folder could
122  * not be opened or created, create_parms->handle will be set to
123  * SHFL_HANDLE_NIL on return.  In this case the value in create_parms->result
124  * provides information as to why (e.g. SHFL_FILE_EXISTS), create_parms->result
136 	parms.root.u.value32 = root;  in vboxsf_create()
139 	parms.path.u.pointer.size = shfl_string_buf_size(parsed_path);  in vboxsf_create()
140 	parms.path.u.pointer.u.linear_addr = (uintptr_t)parsed_path;  in vboxsf_create()
143 	parms.parms.u.pointer.size = sizeof(struct shfl_createparms);  in vboxsf_create()
144 	parms.parms.u.pointer.u.linear_addr = (uintptr_t)create_parms;  in vboxsf_create()
154 	parms.root.u.value32 = root;  in vboxsf_close()
157 	parms.handle.u.value64 = handle;  in vboxsf_close()
167 	parms.root.u.value32 = root;  in vboxsf_remove()
170 	parms.path.u.pointer.size = shfl_string_buf_size(parsed_path);  in vboxsf_remove()
171 	parms.path.u.pointer.u.linear_addr = (uintptr_t)parsed_path;  in vboxsf_remove()
174 	parms.flags.u.value32 = flags;  in vboxsf_remove()
185 	parms.root.u.value32 = root;  in vboxsf_rename()
188 	parms.src.u.pointer.size = shfl_string_buf_size(src_path);  in vboxsf_rename()
189 	parms.src.u.pointer.u.linear_addr = (uintptr_t)src_path;  in vboxsf_rename()
192 	parms.dest.u.pointer.size = shfl_string_buf_size(dest_path);  in vboxsf_rename()
193 	parms.dest.u.pointer.u.linear_addr = (uintptr_t)dest_path;  in vboxsf_rename()
196 	parms.flags.u.value32 = flags;  in vboxsf_rename()
207 	parms.root.u.value32 = root;  in vboxsf_read()
210 	parms.handle.u.value64 = handle;  in vboxsf_read()
212 	parms.offset.u.value64 = offset;  in vboxsf_read()
214 	parms.cb.u.value32 = *buf_len;  in vboxsf_read()
216 	parms.buffer.u.pointer.size = *buf_len;  in vboxsf_read()
217 	parms.buffer.u.pointer.u.linear_addr = (uintptr_t)buf;  in vboxsf_read()
221 	*buf_len = parms.cb.u.value32;  in vboxsf_read()
231 	parms.root.u.value32 = root;  in vboxsf_write()
234 	parms.handle.u.value64 = handle;  in vboxsf_write()
236 	parms.offset.u.value64 = offset;  in vboxsf_write()
238 	parms.cb.u.value32 = *buf_len;  in vboxsf_write()
240 	parms.buffer.u.pointer.size = *buf_len;  in vboxsf_write()
241 	parms.buffer.u.pointer.u.linear_addr = (uintptr_t)buf;  in vboxsf_write()
245 	*buf_len = parms.cb.u.value32;  in vboxsf_write()
249 /* Returns 0 on success, 1 on end-of-dir, negative errno otherwise */
258 	parms.root.u.value32 = root;  in vboxsf_dirinfo()
261 	parms.handle.u.value64 = handle;  in vboxsf_dirinfo()
263 	parms.flags.u.value32 = flags;  in vboxsf_dirinfo()
265 	parms.cb.u.value32 = *buf_len;  in vboxsf_dirinfo()
268 		parms.path.u.pointer.size = shfl_string_buf_size(parsed_path);  in vboxsf_dirinfo()
269 		parms.path.u.pointer.u.linear_addr = (uintptr_t)parsed_path;  in vboxsf_dirinfo()
272 		parms.path.u.pointer.size = 0;  in vboxsf_dirinfo()
273 		parms.path.u.pointer.u.linear_addr = 0;  in vboxsf_dirinfo()
277 	parms.buffer.u.pointer.size = *buf_len;  in vboxsf_dirinfo()
278 	parms.buffer.u.pointer.u.linear_addr = (uintptr_t)buf;  in vboxsf_dirinfo()
281 	parms.resume_point.u.value32 = index;  in vboxsf_dirinfo()
283 	parms.file_count.u.value32 = 0;	/* out parameter only */  in vboxsf_dirinfo()
286 	if (err == -ENODATA && status == VERR_NO_MORE_FILES)  in vboxsf_dirinfo()
289 	*buf_len = parms.cb.u.value32;  in vboxsf_dirinfo()
290 	*file_count = parms.file_count.u.value32;  in vboxsf_dirinfo()
301 	parms.root.u.value32 = root;  in vboxsf_fsinfo()
304 	parms.handle.u.value64 = handle;  in vboxsf_fsinfo()
306 	parms.flags.u.value32 = flags;  in vboxsf_fsinfo()
308 	parms.cb.u.value32 = *buf_len;  in vboxsf_fsinfo()
310 	parms.info.u.pointer.size = *buf_len;  in vboxsf_fsinfo()
311 	parms.info.u.pointer.u.linear_addr = (uintptr_t)buf;  in vboxsf_fsinfo()
316 	*buf_len = parms.cb.u.value32;  in vboxsf_fsinfo()
326 	parms.root.u.value32 = root;  in vboxsf_readlink()
329 	parms.path.u.pointer.size = shfl_string_buf_size(parsed_path);  in vboxsf_readlink()
330 	parms.path.u.pointer.u.linear_addr = (uintptr_t)parsed_path;  in vboxsf_readlink()
333 	parms.buffer.u.pointer.size = buf_len;  in vboxsf_readlink()
334 	parms.buffer.u.pointer.u.linear_addr = (uintptr_t)buf;  in vboxsf_readlink()
346 	parms.root.u.value32 = root;  in vboxsf_symlink()
349 	parms.new_path.u.pointer.size = shfl_string_buf_size(new_path);  in vboxsf_symlink()
350 	parms.new_path.u.pointer.u.linear_addr = (uintptr_t)new_path;  in vboxsf_symlink()
353 	parms.old_path.u.pointer.size = shfl_string_buf_size(old_path);  in vboxsf_symlink()
354 	parms.old_path.u.pointer.u.linear_addr = (uintptr_t)old_path;  in vboxsf_symlink()
357 	parms.info.u.pointer.size = sizeof(struct shfl_fsobjinfo);  in vboxsf_symlink()
358 	parms.info.u.pointer.u.linear_addr = (uintptr_t)buf;  in vboxsf_symlink()