Changes in / [1bfae13:efc5e42] in mainline
- Files:
-
- 2 added
- 25 edited
Legend:
- Unmodified
- Added
- Removed
-
HelenOS.config
r1bfae13 refc5e42 88 88 @ "tmpfs" TMPFS image 89 89 @ "fat" FAT16 image 90 @ "ext2fs" EXT2 image 90 91 ! RDFMT (choice) 91 92 -
boot/Makefile
r1bfae13 refc5e42 50 50 $(MKFAT) 1048576 $(DIST_PATH) $@ 51 51 endif 52 ifeq ($(RDFMT),ext2fs) 53 $(MKEXT2) 1048576 $(DIST_PATH) $@ 54 endif 52 55 53 56 build_dist: clean_dist -
boot/Makefile.common
r1bfae13 refc5e42 56 56 MKTMPFS = $(TOOLS_PATH)/mktmpfs.py 57 57 MKFAT = $(TOOLS_PATH)/mkfat.py 58 MKEXT2 = $(TOOLS_PATH)/mkext2.py 58 59 MKUIMAGE = $(TOOLS_PATH)/mkuimage.py 59 60 … … 82 83 ifeq ($(RDFMT),fat) 83 84 INIT_TASKS += $(USPACE_PATH)/srv/fs/fat/fat 85 endif 86 87 ifeq ($(RDFMT),ext2fs) 88 INIT_TASKS += $(USPACE_PATH)/srv/fs/ext2fs/ext2fs 84 89 endif 85 90 -
tools/mkfat.py
r1bfae13 refc5e42 37 37 import xstruct 38 38 import array 39 40 exclude_names = set(['.svn', '.bzr']) 41 42 def align_up(size, alignment): 43 "Return size aligned up to alignment" 44 45 if (size % alignment == 0): 46 return size 47 48 return ((size // alignment) + 1) * alignment 39 from imgutil import * 49 40 50 41 def subtree_size(root, cluster_size, dirent_size): … … 54 45 files = 2 55 46 56 for name in os.listdir(root): 57 canon = os.path.join(root, name) 58 59 if (os.path.isfile(canon) and (not name in exclude_names)): 60 size += align_up(os.path.getsize(canon), cluster_size) 47 for item in listdir_items(root): 48 if item.is_file: 49 size += align_up(item.size, cluster_size) 61 50 files += 1 62 63 if (os.path.isdir(canon) and (not name in exclude_names)): 64 size += subtree_size(canon, cluster_size, dirent_size) 51 elif item.is_dir: 52 size += subtree_size(item.path, cluster_size, dirent_size) 65 53 files += 1 66 54 … … 72 60 return len(os.listdir(root)) 73 61 74 def write_file( path, outf, cluster_size, data_start, fat, reserved_clusters):62 def write_file(item, outf, cluster_size, data_start, fat, reserved_clusters): 75 63 "Store the contents of a file" 76 64 77 size = os.path.getsize(path)78 65 prev = -1 79 66 first = 0 80 67 81 inf = open(path, "rb") 82 rd = 0; 83 while (rd < size): 68 for data in chunks(item, cluster_size): 84 69 empty_cluster = fat.index(0) 85 70 fat[empty_cluster] = 0xffff … … 92 77 prev = empty_cluster 93 78 94 data = bytes(inf.read(cluster_size));95 79 outf.seek(data_start + (empty_cluster - reserved_clusters) * cluster_size) 96 80 outf.write(data) 97 rd += len(data) 98 inf.close() 99 100 return first, size 81 82 return first, item.size 101 83 102 84 def write_directory(directory, outf, cluster_size, data_start, fat, reserved_clusters, dirent_size, empty_cluster): … … 303 285 empty_cluster = 0 304 286 305 for name in os.listdir(root): 306 canon = os.path.join(root, name) 307 308 if (os.path.isfile(canon) and (not name in exclude_names)): 309 rv = write_file(canon, outf, cluster_size, data_start, fat, reserved_clusters) 310 directory.append(create_dirent(name, False, rv[0], rv[1])) 311 312 if (os.path.isdir(canon) and (not name in exclude_names)): 313 rv = recursion(False, canon, outf, cluster_size, root_start, data_start, fat, reserved_clusters, dirent_size, empty_cluster) 314 directory.append(create_dirent(name, True, rv[0], rv[1])) 287 for item in listdir_items(root): 288 if item.is_file: 289 rv = write_file(item, outf, cluster_size, data_start, fat, reserved_clusters) 290 directory.append(create_dirent(item.name, False, rv[0], rv[1])) 291 elif item.is_dir: 292 rv = recursion(False, item.path, outf, cluster_size, root_start, data_start, fat, reserved_clusters, dirent_size, empty_cluster) 293 directory.append(create_dirent(item.name, True, rv[0], rv[1])) 315 294 316 295 if (head): -
tools/mktmpfs.py
r1bfae13 refc5e42 35 35 import os 36 36 import xstruct 37 38 exclude_names = set(['.svn', '.bzr']) 37 from imgutil import listdir_items, chunks 39 38 40 39 HEADER = """little: … … 71 70 "Recursive directory walk" 72 71 73 for name in os.listdir(root): 74 canon = os.path.join(root, name) 75 76 if (os.path.isfile(canon) and (not name in exclude_names)): 77 size = os.path.getsize(canon) 78 79 dentry = xstruct.create(DENTRY_FILE % len(name)) 72 for item in listdir_items(root): 73 if item.is_file: 74 dentry = xstruct.create(DENTRY_FILE % len(item.name)) 80 75 dentry.kind = TMPFS_FILE 81 dentry.fname_len = len( name)82 dentry.fname = name.encode('ascii')83 dentry.flen = size76 dentry.fname_len = len(item.name) 77 dentry.fname = item.name.encode('ascii') 78 dentry.flen = item.size 84 79 85 80 outf.write(dentry.pack()) 86 81 87 inf = open(canon, "rb") 88 rd = 0; 89 while (rd < size): 90 data = inf.read(4096); 82 for data in chunks(item, 4096): 91 83 outf.write(data) 92 rd += len(data)93 inf.close()94 84 95 if (os.path.isdir(canon) and (not name in exclude_names)):96 dentry = xstruct.create(DENTRY_DIRECTORY % len( name))85 elif item.is_dir: 86 dentry = xstruct.create(DENTRY_DIRECTORY % len(item.name)) 97 87 dentry.kind = TMPFS_DIRECTORY 98 dentry.fname_len = len( name)99 dentry.fname = name.encode('ascii')88 dentry.fname_len = len(item.name) 89 dentry.fname = item.name.encode('ascii') 100 90 101 91 outf.write(dentry.pack()) 102 92 103 recursion( canon, outf)93 recursion(item.path, outf) 104 94 105 95 dentry = xstruct.create(DENTRY_NONE) -
tools/xstruct.py
r1bfae13 refc5e42 1 1 # 2 2 # Copyright (c) 2008 Martin Decky 3 # Copyright (c) 2011 Martin Sucha 3 4 # All rights reserved. 4 5 # … … 31 32 32 33 import struct 34 import types 35 36 ranges = { 37 'B': ((int, long), 0x00, 0xff), 38 'H': ((int, long), 0x0000, 0xffff), 39 'L': ((int, long), 0x00000000, 0xffffffff), 40 'Q': ((int, long), 0x0000000000000000, 0xffffffffffffffff), 41 'b': ((int, long), -0x80, 0x7f), 42 'h': ((int, long), -0x8000, 0x7fff), 43 'l': ((int, long), -0x80000000, 0x7fffffff) , 44 'q': ((int, long), -0x8000000000000000, 0x7fffffffffffffff), 45 } 46 47 def check_range(varname, fmt, value): 48 if value == None: 49 raise ValueError('Variable "%s" not set' % varname) 50 if not fmt in ranges: 51 return 52 vartype, varmin, varmax = ranges[fmt] 53 if not isinstance(value, vartype): 54 raise ValueError('Variable "%s" is %s but should be %s' % 55 (varname, str(type(value)), str(vartype))) 56 if value < varmin or value > varmax: 57 raise ValueError('Variable "%s" value %s out of range %s..%s' % 58 (varname, repr(value), repr(varmin), repr(varmax))) 33 59 34 60 class Struct: … … 38 64 def pack(self): 39 65 args = [] 40 for variable in self._args_: 41 if (isinstance(self.__dict__[variable], list)): 42 for item in self.__dict__[variable]: 66 for variable, fmt, length in self._args_: 67 value = self.__dict__[variable] 68 if isinstance(value, list): 69 if length != None and length != len(value): 70 raise ValueError('Variable "%s" length %u does not match %u' % 71 (variable, len(value), length)) 72 for index, item in enumerate(value): 73 check_range(variable + '[' + repr(index) + ']', fmt, item) 43 74 args.append(item) 44 75 else: 45 args.append(self.__dict__[variable])46 76 check_range(variable, fmt, value) 77 args.append(value) 47 78 return struct.pack(self._format_, *args) 79 80 def unpack(self, data): 81 values = struct.unpack(self._format_, data) 82 i = 0 83 for variable, fmt, length in self._args_: 84 self.__dict__[variable] = values[i] 85 i += 1 48 86 49 87 def create(definition): … … 77 115 subtokens = token.split("[") 78 116 117 length = None 79 118 if (len(subtokens) > 1): 80 format += "%d" % int(subtokens[1].split("]")[0]) 119 length = int(subtokens[1].split("]")[0]) 120 format += "%d" % length 81 121 82 122 format += variable 83 123 84 124 inst.__dict__[subtokens[0]] = None 85 args.append( subtokens[0])125 args.append((subtokens[0], variable, length)) 86 126 87 127 variable = None -
uspace/app/bdsh/compl.c
r1bfae13 refc5e42 280 280 281 281 cs->dir = opendir(*cs->path); 282 283 /* Skip directories that we fail to open. */ 284 if (cs->dir == NULL) 285 cs->path++; 282 286 } 283 287 -
uspace/app/bdsh/input.c
r1bfae13 refc5e42 170 170 } 171 171 172 rc = run_command( cmd, usr, &new_iostate);172 rc = run_command(actual_cmd, usr, &new_iostate); 173 173 174 174 finit_with_files: -
uspace/drv/bus/usb/usbmast/scsi_ms.c
r1bfae13 refc5e42 61 61 } 62 62 63 static void usbmast_dump_sense(usbmast_fun_t *mfun) 64 { 63 static void usbmast_dump_sense(scsi_sense_data_t *sense_buf) 64 { 65 unsigned sense_key; 66 67 sense_key = sense_buf->flags_key & 0x0f; 68 printf("Got sense data. Sense key: 0x%x (%s), ASC 0x%02x, " 69 "ASCQ 0x%02x.\n", sense_key, 70 scsi_get_sense_key_str(sense_key), 71 sense_buf->additional_code, 72 sense_buf->additional_cqual); 73 } 74 75 /** Run SCSI command. 76 * 77 * Run command and repeat in case of unit attention. 78 * XXX This is too simplified. 79 */ 80 static int usbmast_run_cmd(usbmast_fun_t *mfun, scsi_cmd_t *cmd) 81 { 82 uint8_t sense_key; 65 83 scsi_sense_data_t sense_buf; 66 unsigned sense_key; 67 int rc; 68 69 rc = usbmast_request_sense(mfun, &sense_buf, sizeof(sense_buf)); 70 if (rc == EOK) { 84 int rc; 85 86 do { 87 rc = usb_massstor_cmd(mfun, 0xDEADBEEF, cmd); 88 if (rc != EOK) { 89 usb_log_error("Inquiry transport failed, device %s: %s.\n", 90 mfun->mdev->ddf_dev->name, str_error(rc)); 91 return rc; 92 } 93 94 if (cmd->status == CMDS_GOOD) 95 return EOK; 96 97 usb_log_error("SCSI command failed, device %s.\n", 98 mfun->mdev->ddf_dev->name); 99 100 rc = usbmast_request_sense(mfun, &sense_buf, sizeof(sense_buf)); 101 if (rc != EOK) { 102 usb_log_error("Failed to read sense data.\n"); 103 return EIO; 104 } 105 106 /* Dump sense data to log */ 107 usbmast_dump_sense(&sense_buf); 108 109 /* Get sense key */ 71 110 sense_key = sense_buf.flags_key & 0x0f; 72 printf("Got sense data. Sense key: 0x%x (%s), ASC 0x%02x, " 73 "ASCQ 0x%02x.\n", sense_key, 74 scsi_get_sense_key_str(sense_key), 75 sense_buf.additional_code, 76 sense_buf.additional_cqual); 77 } else { 78 printf("Failed to read sense data.\n"); 79 } 111 112 if (sense_key == SCSI_SK_UNIT_ATTENTION) { 113 printf("Got unit attention. Re-trying command.\n"); 114 } 115 116 } while (sense_key == SCSI_SK_UNIT_ATTENTION); 117 118 /* Command status is not good, nevertheless transport succeeded. */ 119 return EOK; 80 120 } 81 121 … … 114 154 usb_log_error("Inquiry command failed, device %s.\n", 115 155 mfun->mdev->ddf_dev->name); 116 usbmast_dump_sense(mfun);117 156 return EIO; 118 157 } … … 214 253 cmd.data_in_size = sizeof(data); 215 254 216 rc = usb _massstor_cmd(mfun, 0xDEADBEEF, &cmd);255 rc = usbmast_run_cmd(mfun, &cmd); 217 256 218 257 if (rc != EOK) { … … 225 264 usb_log_error("Read Capacity (10) command failed, device %s.\n", 226 265 mfun->mdev->ddf_dev->name); 227 usbmast_dump_sense(mfun);228 266 return EIO; 229 267 } … … 252 290 { 253 291 scsi_cmd_t cmd; 254 scsi_cdb_read_1 2_t cdb;292 scsi_cdb_read_10_t cdb; 255 293 int rc; 256 294 … … 258 296 return ELIMIT; 259 297 260 if ( (uint64_t)nblocks * mfun->block_size > UINT32_MAX)298 if (nblocks > UINT16_MAX) 261 299 return ELIMIT; 262 300 263 301 memset(&cdb, 0, sizeof(cdb)); 264 cdb.op_code = SCSI_CMD_READ_1 2;302 cdb.op_code = SCSI_CMD_READ_10; 265 303 cdb.lba = host2uint32_t_be(ba); 266 cdb.xfer_len = host2uint 32_t_be(nblocks);304 cdb.xfer_len = host2uint16_t_be(nblocks); 267 305 268 306 memset(&cmd, 0, sizeof(cmd)); … … 272 310 cmd.data_in_size = nblocks * mfun->block_size; 273 311 274 rc = usb _massstor_cmd(mfun, 0xDEADBEEF, &cmd);312 rc = usbmast_run_cmd(mfun, &cmd); 275 313 276 314 if (rc != EOK) { 277 usb_log_error("Read (1 2) transport failed, device %s: %s.\n",315 usb_log_error("Read (10) transport failed, device %s: %s.\n", 278 316 mfun->mdev->ddf_dev->name, str_error(rc)); 279 317 return rc; … … 281 319 282 320 if (cmd.status != CMDS_GOOD) { 283 usb_log_error("Read (1 2) command failed, device %s.\n",321 usb_log_error("Read (10) command failed, device %s.\n", 284 322 mfun->mdev->ddf_dev->name); 285 usbmast_dump_sense(mfun);286 323 return EIO; 287 324 } … … 309 346 { 310 347 scsi_cmd_t cmd; 311 scsi_cdb_write_1 2_t cdb;348 scsi_cdb_write_10_t cdb; 312 349 int rc; 313 350 … … 315 352 return ELIMIT; 316 353 317 if ( (uint64_t)nblocks * mfun->block_size > UINT32_MAX)354 if (nblocks > UINT16_MAX) 318 355 return ELIMIT; 319 356 320 357 memset(&cdb, 0, sizeof(cdb)); 321 cdb.op_code = SCSI_CMD_WRITE_1 2;358 cdb.op_code = SCSI_CMD_WRITE_10; 322 359 cdb.lba = host2uint32_t_be(ba); 323 cdb.xfer_len = host2uint 32_t_be(nblocks);360 cdb.xfer_len = host2uint16_t_be(nblocks); 324 361 325 362 memset(&cmd, 0, sizeof(cmd)); … … 329 366 cmd.data_out_size = nblocks * mfun->block_size; 330 367 331 rc = usb _massstor_cmd(mfun, 0xDEADBEEF, &cmd);368 rc = usbmast_run_cmd(mfun, &cmd); 332 369 333 370 if (rc != EOK) { 334 usb_log_error("Write (1 2) transport failed, device %s: %s.\n",371 usb_log_error("Write (10) transport failed, device %s: %s.\n", 335 372 mfun->mdev->ddf_dev->name, str_error(rc)); 336 373 return rc; … … 338 375 339 376 if (cmd.status != CMDS_GOOD) { 340 usb_log_error("Write (1 2) command failed, device %s.\n",377 usb_log_error("Write (10) command failed, device %s.\n", 341 378 mfun->mdev->ddf_dev->name); 342 usbmast_dump_sense(mfun);343 379 return EIO; 344 380 } -
uspace/lib/fs/libfs.c
r1bfae13 refc5e42 45 45 #include <mem.h> 46 46 #include <sys/stat.h> 47 #include <stdlib.h> 47 48 48 49 #define on_error(rc, action) \ … … 61 62 } while (0) 62 63 64 static fs_reg_t reg; 65 66 static vfs_out_ops_t *vfs_out_ops = NULL; 67 static libfs_ops_t *libfs_ops = NULL; 68 69 static void libfs_mount(libfs_ops_t *, fs_handle_t, ipc_callid_t, ipc_call_t *); 70 static void libfs_unmount(libfs_ops_t *, ipc_callid_t, ipc_call_t *); 71 static void libfs_lookup(libfs_ops_t *, fs_handle_t, ipc_callid_t, 72 ipc_call_t *); 73 static void libfs_stat(libfs_ops_t *, fs_handle_t, ipc_callid_t, ipc_call_t *); 74 static void libfs_open_node(libfs_ops_t *, fs_handle_t, ipc_callid_t, 75 ipc_call_t *); 76 77 static void vfs_out_mounted(ipc_callid_t rid, ipc_call_t *req) 78 { 79 devmap_handle_t devmap_handle = (devmap_handle_t) IPC_GET_ARG1(*req); 80 char *opts; 81 int rc; 82 83 /* Accept the mount options. */ 84 rc = async_data_write_accept((void **) &opts, true, 0, 0, 0, NULL); 85 if (rc != EOK) { 86 async_answer_0(rid, rc); 87 return; 88 } 89 90 fs_index_t index; 91 aoff64_t size; 92 unsigned lnkcnt; 93 rc = vfs_out_ops->mounted(devmap_handle, opts, &index, &size, &lnkcnt); 94 95 if (rc == EOK) // FIXME: size is 64-bit 96 async_answer_3(rid, EOK, index, size, lnkcnt); 97 else 98 async_answer_0(rid, rc); 99 100 free(opts); 101 } 102 103 static void vfs_out_mount(ipc_callid_t rid, ipc_call_t *req) 104 { 105 libfs_mount(libfs_ops, reg.fs_handle, rid, req); 106 } 107 108 static void vfs_out_unmounted(ipc_callid_t rid, ipc_call_t *req) 109 { 110 devmap_handle_t devmap_handle = (devmap_handle_t) IPC_GET_ARG1(*req); 111 int rc; 112 113 rc = vfs_out_ops->unmounted(devmap_handle); 114 115 async_answer_0(rid, rc); 116 } 117 118 static void vfs_out_unmount(ipc_callid_t rid, ipc_call_t *req) 119 { 120 121 libfs_unmount(libfs_ops, rid, req); 122 } 123 124 static void vfs_out_lookup(ipc_callid_t rid, ipc_call_t *req) 125 { 126 libfs_lookup(libfs_ops, reg.fs_handle, rid, req); 127 } 128 129 static void vfs_out_read(ipc_callid_t rid, ipc_call_t *req) 130 { 131 devmap_handle_t devmap_handle = (devmap_handle_t) IPC_GET_ARG1(*req); 132 fs_index_t index = (fs_index_t) IPC_GET_ARG2(*req); 133 aoff64_t pos = (aoff64_t) MERGE_LOUP32(IPC_GET_ARG3(*req), 134 IPC_GET_ARG4(*req)); 135 size_t rbytes; 136 int rc; 137 138 rc = vfs_out_ops->read(devmap_handle, index, pos, &rbytes); 139 140 if (rc == EOK) 141 async_answer_1(rid, EOK, rbytes); 142 else 143 async_answer_0(rid, rc); 144 } 145 146 static void vfs_out_write(ipc_callid_t rid, ipc_call_t *req) 147 { 148 devmap_handle_t devmap_handle = (devmap_handle_t) IPC_GET_ARG1(*req); 149 fs_index_t index = (fs_index_t) IPC_GET_ARG2(*req); 150 aoff64_t pos = (aoff64_t) MERGE_LOUP32(IPC_GET_ARG3(*req), 151 IPC_GET_ARG4(*req)); 152 size_t wbytes; 153 aoff64_t nsize; 154 int rc; 155 156 rc = vfs_out_ops->write(devmap_handle, index, pos, &wbytes, &nsize); 157 158 if (rc == EOK) // FIXME: nsize is 64-bit 159 async_answer_2(rid, EOK, wbytes, nsize); 160 else 161 async_answer_0(rid, rc); 162 } 163 164 static void vfs_out_truncate(ipc_callid_t rid, ipc_call_t *req) 165 { 166 devmap_handle_t devmap_handle = (devmap_handle_t) IPC_GET_ARG1(*req); 167 fs_index_t index = (fs_index_t) IPC_GET_ARG2(*req); 168 aoff64_t size = (aoff64_t) MERGE_LOUP32(IPC_GET_ARG3(*req), 169 IPC_GET_ARG4(*req)); 170 int rc; 171 172 rc = vfs_out_ops->truncate(devmap_handle, index, size); 173 174 async_answer_0(rid, rc); 175 } 176 177 static void vfs_out_close(ipc_callid_t rid, ipc_call_t *req) 178 { 179 devmap_handle_t devmap_handle = (devmap_handle_t) IPC_GET_ARG1(*req); 180 fs_index_t index = (fs_index_t) IPC_GET_ARG2(*req); 181 int rc; 182 183 rc = vfs_out_ops->close(devmap_handle, index); 184 185 async_answer_0(rid, rc); 186 } 187 188 static void vfs_out_destroy(ipc_callid_t rid, ipc_call_t *req) 189 { 190 devmap_handle_t devmap_handle = (devmap_handle_t) IPC_GET_ARG1(*req); 191 fs_index_t index = (fs_index_t) IPC_GET_ARG2(*req); 192 int rc; 193 194 rc = vfs_out_ops->destroy(devmap_handle, index); 195 196 async_answer_0(rid, rc); 197 } 198 199 static void vfs_out_open_node(ipc_callid_t rid, ipc_call_t *req) 200 { 201 libfs_open_node(libfs_ops, reg.fs_handle, rid, req); 202 } 203 204 static void vfs_out_stat(ipc_callid_t rid, ipc_call_t *req) 205 { 206 libfs_stat(libfs_ops, reg.fs_handle, rid, req); 207 } 208 209 static void vfs_out_sync(ipc_callid_t rid, ipc_call_t *req) 210 { 211 devmap_handle_t devmap_handle = (devmap_handle_t) IPC_GET_ARG1(*req); 212 fs_index_t index = (fs_index_t) IPC_GET_ARG2(*req); 213 int rc; 214 215 rc = vfs_out_ops->sync(devmap_handle, index); 216 217 async_answer_0(rid, rc); 218 } 219 220 static void vfs_connection(ipc_callid_t iid, ipc_call_t *icall, void *arg) 221 { 222 if (iid) { 223 /* 224 * This only happens for connections opened by 225 * IPC_M_CONNECT_ME_TO calls as opposed to callback connections 226 * created by IPC_M_CONNECT_TO_ME. 227 */ 228 async_answer_0(iid, EOK); 229 } 230 231 while (true) { 232 ipc_call_t call; 233 ipc_callid_t callid = async_get_call(&call); 234 235 if (!IPC_GET_IMETHOD(call)) 236 return; 237 238 switch (IPC_GET_IMETHOD(call)) { 239 case VFS_OUT_MOUNTED: 240 vfs_out_mounted(callid, &call); 241 break; 242 case VFS_OUT_MOUNT: 243 vfs_out_mount(callid, &call); 244 break; 245 case VFS_OUT_UNMOUNTED: 246 vfs_out_unmounted(callid, &call); 247 break; 248 case VFS_OUT_UNMOUNT: 249 vfs_out_unmount(callid, &call); 250 break; 251 case VFS_OUT_LOOKUP: 252 vfs_out_lookup(callid, &call); 253 break; 254 case VFS_OUT_READ: 255 vfs_out_read(callid, &call); 256 break; 257 case VFS_OUT_WRITE: 258 vfs_out_write(callid, &call); 259 break; 260 case VFS_OUT_TRUNCATE: 261 vfs_out_truncate(callid, &call); 262 break; 263 case VFS_OUT_CLOSE: 264 vfs_out_close(callid, &call); 265 break; 266 case VFS_OUT_DESTROY: 267 vfs_out_destroy(callid, &call); 268 break; 269 case VFS_OUT_OPEN_NODE: 270 vfs_out_open_node(callid, &call); 271 break; 272 case VFS_OUT_STAT: 273 vfs_out_stat(callid, &call); 274 break; 275 case VFS_OUT_SYNC: 276 vfs_out_sync(callid, &call); 277 break; 278 default: 279 async_answer_0(callid, ENOTSUP); 280 break; 281 } 282 } 283 } 284 63 285 /** Register file system server. 64 286 * … … 68 290 * 69 291 * @param sess Session for communication with VFS. 70 * @param reg File system registration structure. It will be71 * initialized by this function.72 292 * @param info VFS info structure supplied by the file system 73 293 * implementation. 74 * @param conn Connection fibril for handling all calls originating in75 * VFS.294 * @param vops Address of the vfs_out_ops_t structure. 295 * @param lops Address of the libfs_ops_t structure. 76 296 * 77 297 * @return EOK on success or a non-zero error code on errror. 78 298 * 79 299 */ 80 int fs_register(async_sess_t *sess, fs_reg_t *reg, vfs_info_t *info,81 async_client_conn_t conn)300 int fs_register(async_sess_t *sess, vfs_info_t *info, vfs_out_ops_t *vops, 301 libfs_ops_t *lops) 82 302 { 83 303 /* … … 104 324 105 325 /* 326 * Set VFS_OUT and libfs operations. 327 */ 328 vfs_out_ops = vops; 329 libfs_ops = lops; 330 331 /* 106 332 * Ask VFS for callback connection. 107 333 */ 108 async_connect_to_me(exch, 0, 0, 0, conn, NULL);334 async_connect_to_me(exch, 0, 0, 0, vfs_connection, NULL); 109 335 110 336 /* 111 337 * Allocate piece of address space for PLB. 112 338 */ 113 reg ->plb_ro = as_get_mappable_page(PLB_SIZE);114 if (!reg ->plb_ro) {339 reg.plb_ro = as_get_mappable_page(PLB_SIZE); 340 if (!reg.plb_ro) { 115 341 async_exchange_end(exch); 116 342 async_wait_for(req, NULL); … … 121 347 * Request sharing the Path Lookup Buffer with VFS. 122 348 */ 123 rc = async_share_in_start_0_0(exch, reg ->plb_ro, PLB_SIZE);349 rc = async_share_in_start_0_0(exch, reg.plb_ro, PLB_SIZE); 124 350 125 351 async_exchange_end(exch); … … 134 360 */ 135 361 async_wait_for(req, NULL); 136 reg ->fs_handle = (int) IPC_GET_ARG1(answer);362 reg.fs_handle = (int) IPC_GET_ARG1(answer); 137 363 138 364 /* … … 140 366 * the same connection fibril as well. 141 367 */ 142 async_set_client_connection( conn);368 async_set_client_connection(vfs_connection); 143 369 144 370 return IPC_GET_RETVAL(answer); … … 151 377 152 378 void libfs_mount(libfs_ops_t *ops, fs_handle_t fs_handle, ipc_callid_t rid, 153 ipc_call_t *req uest)154 { 155 devmap_handle_t mp_devmap_handle = (devmap_handle_t) IPC_GET_ARG1(*req uest);156 fs_index_t mp_fs_index = (fs_index_t) IPC_GET_ARG2(*req uest);157 fs_handle_t mr_fs_handle = (fs_handle_t) IPC_GET_ARG3(*req uest);158 devmap_handle_t mr_devmap_handle = (devmap_handle_t) IPC_GET_ARG4(*req uest);379 ipc_call_t *req) 380 { 381 devmap_handle_t mp_devmap_handle = (devmap_handle_t) IPC_GET_ARG1(*req); 382 fs_index_t mp_fs_index = (fs_index_t) IPC_GET_ARG2(*req); 383 fs_handle_t mr_fs_handle = (fs_handle_t) IPC_GET_ARG3(*req); 384 devmap_handle_t mr_devmap_handle = (devmap_handle_t) IPC_GET_ARG4(*req); 159 385 160 386 async_sess_t *mountee_sess = async_clone_receive(EXCHANGE_PARALLEL); … … 212 438 } 213 439 214 void libfs_unmount(libfs_ops_t *ops, ipc_callid_t rid, ipc_call_t *req uest)215 { 216 devmap_handle_t mp_devmap_handle = (devmap_handle_t) IPC_GET_ARG1(*req uest);217 fs_index_t mp_fs_index = (fs_index_t) IPC_GET_ARG2(*req uest);440 void libfs_unmount(libfs_ops_t *ops, ipc_callid_t rid, ipc_call_t *req) 441 { 442 devmap_handle_t mp_devmap_handle = (devmap_handle_t) IPC_GET_ARG1(*req); 443 fs_index_t mp_fs_index = (fs_index_t) IPC_GET_ARG2(*req); 218 444 fs_node_t *fn; 219 445 int res; … … 259 485 } 260 486 487 static char plb_get_char(unsigned pos) 488 { 489 return reg.plb_ro[pos % PLB_SIZE]; 490 } 491 261 492 /** Lookup VFS triplet by name in the file system name space. 262 493 * … … 273 504 */ 274 505 void libfs_lookup(libfs_ops_t *ops, fs_handle_t fs_handle, ipc_callid_t rid, 275 ipc_call_t *req uest)276 { 277 unsigned int first = IPC_GET_ARG1(*req uest);278 unsigned int last = IPC_GET_ARG2(*req uest);506 ipc_call_t *req) 507 { 508 unsigned int first = IPC_GET_ARG1(*req); 509 unsigned int last = IPC_GET_ARG2(*req); 279 510 unsigned int next = first; 280 devmap_handle_t devmap_handle = IPC_GET_ARG3(*req uest);281 int lflag = IPC_GET_ARG4(*req uest);282 fs_index_t index = IPC_GET_ARG5(*req uest);511 devmap_handle_t devmap_handle = IPC_GET_ARG3(*req); 512 int lflag = IPC_GET_ARG4(*req); 513 fs_index_t index = IPC_GET_ARG5(*req); 283 514 char component[NAME_MAX + 1]; 284 515 int len; … … 298 529 async_exch_t *exch = async_exchange_begin(cur->mp_data.sess); 299 530 async_forward_slow(rid, exch, VFS_OUT_LOOKUP, next, last, 300 cur->mp_data.devmap_handle, lflag, index, IPC_FF_ROUTE_FROM_ME); 531 cur->mp_data.devmap_handle, lflag, index, 532 IPC_FF_ROUTE_FROM_ME); 301 533 async_exchange_end(exch); 302 534 … … 306 538 307 539 /* Eat slash */ 308 if ( ops->plb_get_char(next) == '/')540 if (plb_get_char(next) == '/') 309 541 next++; 310 542 … … 319 551 /* Collect the component */ 320 552 len = 0; 321 while ((next <= last) && ( ops->plb_get_char(next) != '/')) {553 while ((next <= last) && (plb_get_char(next) != '/')) { 322 554 if (len + 1 == NAME_MAX) { 323 555 /* Component length overflow */ … … 325 557 goto out; 326 558 } 327 component[len++] = ops->plb_get_char(next);559 component[len++] = plb_get_char(next); 328 560 /* Process next character */ 329 561 next++; … … 357 589 358 590 async_exch_t *exch = async_exchange_begin(tmp->mp_data.sess); 359 async_forward_slow(rid, exch, VFS_OUT_LOOKUP, next, last,360 tmp->mp_data.devmap_handle, lflag, index,591 async_forward_slow(rid, exch, VFS_OUT_LOOKUP, next, 592 last, tmp->mp_data.devmap_handle, lflag, index, 361 593 IPC_FF_ROUTE_FROM_ME); 362 594 async_exchange_end(exch); … … 451 683 len = 0; 452 684 while (next <= last) { 453 if ( ops->plb_get_char(next) == '/') {685 if (plb_get_char(next) == '/') { 454 686 /* More than one component */ 455 687 async_answer_0(rid, ENOENT); … … 463 695 } 464 696 465 component[len++] = ops->plb_get_char(next);697 component[len++] = plb_get_char(next); 466 698 /* Process next character */ 467 699 next++; … … 637 869 rc = ops->node_open(fn); 638 870 aoff64_t size = ops->size_get(fn); 639 async_answer_4(rid, rc, LOWER32(size), UPPER32(size), ops->lnkcnt_get(fn), 871 async_answer_4(rid, rc, LOWER32(size), UPPER32(size), 872 ops->lnkcnt_get(fn), 640 873 (ops->is_file(fn) ? L_FILE : 0) | (ops->is_directory(fn) ? L_DIRECTORY : 0)); 641 874 -
uspace/lib/fs/libfs.h
r1bfae13 refc5e42 43 43 44 44 typedef struct { 45 int (* mounted)(devmap_handle_t, const char *, fs_index_t *, aoff64_t *, 46 unsigned *); 47 int (* unmounted)(devmap_handle_t); 48 int (* read)(devmap_handle_t, fs_index_t, aoff64_t, size_t *); 49 int (* write)(devmap_handle_t, fs_index_t, aoff64_t, size_t *, 50 aoff64_t *); 51 int (* truncate)(devmap_handle_t, fs_index_t, aoff64_t); 52 int (* close)(devmap_handle_t, fs_index_t); 53 int (* destroy)(devmap_handle_t, fs_index_t); 54 int (* sync)(devmap_handle_t, fs_index_t); 55 } vfs_out_ops_t; 56 57 typedef struct { 45 58 bool mp_active; 46 59 async_sess_t *sess; … … 71 84 int (* has_children)(bool *, fs_node_t *); 72 85 /* 73 * The second set of methods are usually mere getters that do not return74 * an integer error code.86 * The second set of methods are usually mere getters that do not 87 * return an integer error code. 75 88 */ 76 89 fs_index_t (* index_get)(fs_node_t *); 77 90 aoff64_t (* size_get)(fs_node_t *); 78 91 unsigned int (* lnkcnt_get)(fs_node_t *); 79 char (* plb_get_char)(unsigned pos);80 92 bool (* is_directory)(fs_node_t *); 81 93 bool (* is_file)(fs_node_t *); … … 88 100 } fs_reg_t; 89 101 90 extern int fs_register(async_sess_t *, fs_reg_t *, vfs_info_t *,91 async_client_conn_t);102 extern int fs_register(async_sess_t *, vfs_info_t *, vfs_out_ops_t *, 103 libfs_ops_t *); 92 104 93 105 extern void fs_node_initialize(fs_node_t *); 94 95 extern void libfs_mount(libfs_ops_t *, fs_handle_t, ipc_callid_t, ipc_call_t *);96 extern void libfs_unmount(libfs_ops_t *, ipc_callid_t, ipc_call_t *);97 extern void libfs_lookup(libfs_ops_t *, fs_handle_t, ipc_callid_t, ipc_call_t *);98 extern void libfs_stat(libfs_ops_t *, fs_handle_t, ipc_callid_t, ipc_call_t *);99 extern void libfs_open_node(libfs_ops_t *, fs_handle_t, ipc_callid_t,100 ipc_call_t *);101 106 102 107 #endif -
uspace/lib/scsi/include/scsi/sbc.h
r1bfae13 refc5e42 56 56 }; 57 57 58 /** SCSI Read (10) command */ 59 typedef struct { 60 /** Operation code (SCSI_CMD_READ_10) */ 61 uint8_t op_code; 62 /** RdProtect, DPO, FUA, Reserved, FUA_NV, Obsolete */ 63 uint8_t flags; 64 /** Logical block address */ 65 uint32_t lba; 66 /** Reserved, Group Number */ 67 uint8_t group_no; 68 /** Transfer length */ 69 uint16_t xfer_len; 70 /** Control */ 71 uint8_t control; 72 } __attribute__((packed)) scsi_cdb_read_10_t; 73 58 74 /** SCSI Read (12) command */ 59 75 typedef struct { 60 76 /** Operation code (SCSI_CMD_READ_12) */ 61 77 uint8_t op_code; 62 /** RdProtect, DPO, FUA, Reserved, FUA_NV, Reserved*/78 /** RdProtect, DPO, FUA, Reserved, FUA_NV, Obsolete */ 63 79 uint8_t flags; 64 80 /** Logical block address */ … … 115 131 } scsi_read_capacity_10_data_t; 116 132 133 /** SCSI Write (10) command */ 134 typedef struct { 135 /** Operation code (SCSI_CMD_WRITE_10) */ 136 uint8_t op_code; 137 /** WrProtect, DPO, FUA, Reserved, FUA_NV, Obsolete */ 138 uint8_t flags; 139 /** Logical block address */ 140 uint32_t lba; 141 /** Reserved, Group Number */ 142 uint8_t group_no; 143 /** Transfer length */ 144 uint16_t xfer_len; 145 /** Control */ 146 uint8_t control; 147 } __attribute__((packed)) scsi_cdb_write_10_t; 148 117 149 /** SCSI Write (12) command */ 118 150 typedef struct { 119 151 /** Operation code (SCSI_CMD_WRITE_12) */ 120 152 uint8_t op_code; 121 /** WrProtect, DPO, FUA, Reserved, FUA_NV, Reserved*/153 /** WrProtect, DPO, FUA, Reserved, FUA_NV, Obsolete */ 122 154 uint8_t flags; 123 155 /** Logical block address */ -
uspace/srv/fs/devfs/devfs.c
r1bfae13 refc5e42 57 57 }; 58 58 59 fs_reg_t devfs_reg;60 61 static void devfs_connection(ipc_callid_t iid, ipc_call_t *icall, void *arg)62 {63 if (iid)64 async_answer_0(iid, EOK);65 66 while (true) {67 ipc_call_t call;68 ipc_callid_t callid = async_get_call(&call);69 70 if (!IPC_GET_IMETHOD(call))71 return;72 73 switch (IPC_GET_IMETHOD(call)) {74 case VFS_OUT_MOUNTED:75 devfs_mounted(callid, &call);76 break;77 case VFS_OUT_MOUNT:78 devfs_mount(callid, &call);79 break;80 case VFS_OUT_UNMOUNTED:81 devfs_unmounted(callid, &call);82 break;83 case VFS_OUT_UNMOUNT:84 devfs_unmount(callid, &call);85 break;86 case VFS_OUT_LOOKUP:87 devfs_lookup(callid, &call);88 break;89 case VFS_OUT_OPEN_NODE:90 devfs_open_node(callid, &call);91 break;92 case VFS_OUT_STAT:93 devfs_stat(callid, &call);94 break;95 case VFS_OUT_READ:96 devfs_read(callid, &call);97 break;98 case VFS_OUT_WRITE:99 devfs_write(callid, &call);100 break;101 case VFS_OUT_TRUNCATE:102 devfs_truncate(callid, &call);103 break;104 case VFS_OUT_CLOSE:105 devfs_close(callid, &call);106 break;107 case VFS_OUT_SYNC:108 devfs_sync(callid, &call);109 break;110 case VFS_OUT_DESTROY:111 devfs_destroy(callid, &call);112 break;113 default:114 async_answer_0(callid, ENOTSUP);115 break;116 }117 }118 }119 120 59 int main(int argc, char *argv[]) 121 60 { … … 134 73 } 135 74 136 int rc = fs_register(vfs_sess, &devfs_ reg, &devfs_vfs_info,137 devfs_connection);75 int rc = fs_register(vfs_sess, &devfs_vfs_info, &devfs_ops, 76 &devfs_libfs_ops); 138 77 if (rc != EOK) { 139 78 printf("%s: Failed to register file system (%d)\n", NAME, rc); … … 152 91 * @} 153 92 */ 93 -
uspace/srv/fs/devfs/devfs.h
r1bfae13 refc5e42 36 36 #include <libfs.h> 37 37 38 extern fs_reg_t devfs_reg; 38 extern vfs_out_ops_t devfs_ops; 39 extern libfs_ops_t devfs_libfs_ops; 39 40 40 41 #endif -
uspace/srv/fs/devfs/devfs_ops.c
r1bfae13 refc5e42 403 403 } 404 404 405 static char devfs_plb_get_char(unsigned pos)406 {407 return devfs_reg.plb_ro[pos % PLB_SIZE];408 }409 410 405 static bool devfs_is_directory(fs_node_t *fn) 411 406 { … … 447 442 .size_get = devfs_size_get, 448 443 .lnkcnt_get = devfs_lnkcnt_get, 449 .plb_get_char = devfs_plb_get_char,450 444 .is_directory = devfs_is_directory, 451 445 .is_file = devfs_is_file, … … 462 456 } 463 457 464 void devfs_mounted(ipc_callid_t rid, ipc_call_t *request) 465 { 466 char *opts; 467 468 /* Accept the mount options */ 469 sysarg_t retval = async_data_write_accept((void **) &opts, true, 0, 0, 470 0, NULL); 471 if (retval != EOK) { 472 async_answer_0(rid, retval); 473 return; 474 } 475 476 free(opts); 477 async_answer_3(rid, EOK, 0, 0, 0); 478 } 479 480 void devfs_mount(ipc_callid_t rid, ipc_call_t *request) 481 { 482 libfs_mount(&devfs_libfs_ops, devfs_reg.fs_handle, rid, request); 483 } 484 485 void devfs_unmounted(ipc_callid_t rid, ipc_call_t *request) 486 { 487 async_answer_0(rid, ENOTSUP); 488 } 489 490 void devfs_unmount(ipc_callid_t rid, ipc_call_t *request) 491 { 492 libfs_unmount(&devfs_libfs_ops, rid, request); 493 } 494 495 void devfs_lookup(ipc_callid_t rid, ipc_call_t *request) 496 { 497 libfs_lookup(&devfs_libfs_ops, devfs_reg.fs_handle, rid, request); 498 } 499 500 void devfs_open_node(ipc_callid_t rid, ipc_call_t *request) 501 { 502 libfs_open_node(&devfs_libfs_ops, devfs_reg.fs_handle, rid, request); 503 } 504 505 void devfs_stat(ipc_callid_t rid, ipc_call_t *request) 506 { 507 libfs_stat(&devfs_libfs_ops, devfs_reg.fs_handle, rid, request); 508 } 509 510 void devfs_read(ipc_callid_t rid, ipc_call_t *request) 511 { 512 fs_index_t index = (fs_index_t) IPC_GET_ARG2(*request); 513 aoff64_t pos = 514 (aoff64_t) MERGE_LOUP32(IPC_GET_ARG3(*request), IPC_GET_ARG4(*request)); 515 458 static int devfs_mounted(devmap_handle_t devmap_handle, const char *opts, 459 fs_index_t *index, aoff64_t *size, unsigned *lnkcnt) 460 { 461 *index = 0; 462 *size = 0; 463 *lnkcnt = 0; 464 return EOK; 465 } 466 467 static int devfs_unmounted(devmap_handle_t devmap_handle) 468 { 469 return ENOTSUP; 470 } 471 472 static int 473 devfs_read(devmap_handle_t devmap_handle, fs_index_t index, aoff64_t pos, 474 size_t *rbytes) 475 { 516 476 if (index == 0) { 517 477 ipc_callid_t callid; … … 519 479 if (!async_data_read_receive(&callid, &size)) { 520 480 async_answer_0(callid, EINVAL); 521 async_answer_0(rid, EINVAL); 522 return; 481 return EINVAL; 523 482 } 524 483 … … 540 499 async_data_read_finalize(callid, desc[pos].name, str_size(desc[pos].name) + 1); 541 500 free(desc); 542 async_answer_1(rid, EOK, 1);543 return ;501 *rbytes = 1; 502 return EOK; 544 503 } 545 504 … … 555 514 async_data_read_finalize(callid, desc[pos].name, str_size(desc[pos].name) + 1); 556 515 free(desc); 557 async_answer_1(rid, EOK, 1);558 return ;516 *rbytes = 1; 517 return EOK; 559 518 } 560 519 … … 563 522 564 523 async_answer_0(callid, ENOENT); 565 async_answer_1(rid, ENOENT, 0); 566 return; 524 return ENOENT; 567 525 } 568 526 … … 575 533 if (!async_data_read_receive(&callid, &size)) { 576 534 async_answer_0(callid, EINVAL); 577 async_answer_0(rid, EINVAL); 578 return; 535 return EINVAL; 579 536 } 580 537 … … 585 542 async_data_read_finalize(callid, desc[pos].name, str_size(desc[pos].name) + 1); 586 543 free(desc); 587 async_answer_1(rid, EOK, 1);588 return ;544 *rbytes = 1; 545 return EOK; 589 546 } 590 547 591 548 free(desc); 592 549 async_answer_0(callid, ENOENT); 593 async_answer_1(rid, ENOENT, 0); 594 return; 550 return ENOENT; 595 551 } 596 552 … … 606 562 if (lnk == NULL) { 607 563 fibril_mutex_unlock(&devices_mutex); 608 async_answer_0(rid, ENOENT); 609 return; 564 return ENOENT; 610 565 } 611 566 … … 617 572 fibril_mutex_unlock(&devices_mutex); 618 573 async_answer_0(callid, EINVAL); 619 async_answer_0(rid, EINVAL); 620 return; 574 return EINVAL; 621 575 } 622 576 … … 625 579 626 580 ipc_call_t answer; 627 aid_t msg = async_send_3(exch, IPC_GET_IMETHOD(*request), 628 IPC_GET_ARG1(*request), IPC_GET_ARG2(*request), 629 IPC_GET_ARG3(*request), &answer); 581 aid_t msg = async_send_4(exch, VFS_OUT_READ, devmap_handle, 582 index, LOWER32(pos), UPPER32(pos), &answer); 630 583 631 584 /* Forward the IPC_M_DATA_READ request to the driver */ … … 639 592 sysarg_t rc; 640 593 async_wait_for(msg, &rc); 641 size_t bytes = IPC_GET_ARG1(answer); 642 643 /* Driver reply is the final result of the whole operation */ 644 async_answer_1(rid, rc, bytes); 645 return; 646 } 647 648 async_answer_0(rid, ENOENT); 649 } 650 651 void devfs_write(ipc_callid_t rid, ipc_call_t *request) 652 { 653 fs_index_t index = (fs_index_t) IPC_GET_ARG2(*request); 654 if (index == 0) { 655 async_answer_0(rid, ENOTSUP); 656 return; 657 } 594 595 *rbytes = IPC_GET_ARG1(answer); 596 return rc; 597 } 598 599 return ENOENT; 600 } 601 602 static int 603 devfs_write(devmap_handle_t devmap_handle, fs_index_t index, aoff64_t pos, 604 size_t *wbytes, aoff64_t *nsize) 605 { 606 if (index == 0) 607 return ENOTSUP; 658 608 659 609 devmap_handle_type_t type = devmap_handle_probe(index); … … 661 611 if (type == DEV_HANDLE_NAMESPACE) { 662 612 /* Namespace directory */ 663 async_answer_0(rid, ENOTSUP); 664 return; 613 return ENOTSUP; 665 614 } 666 615 … … 675 624 if (lnk == NULL) { 676 625 fibril_mutex_unlock(&devices_mutex); 677 async_answer_0(rid, ENOENT); 678 return; 626 return ENOENT; 679 627 } 680 628 … … 686 634 fibril_mutex_unlock(&devices_mutex); 687 635 async_answer_0(callid, EINVAL); 688 async_answer_0(rid, EINVAL); 689 return; 636 return EINVAL; 690 637 } 691 638 … … 694 641 695 642 ipc_call_t answer; 696 aid_t msg = async_send_3(exch, IPC_GET_IMETHOD(*request), 697 IPC_GET_ARG1(*request), IPC_GET_ARG2(*request), 698 IPC_GET_ARG3(*request), &answer); 643 aid_t msg = async_send_4(exch, VFS_OUT_WRITE, devmap_handle, 644 index, LOWER32(pos), UPPER32(pos), &answer); 699 645 700 646 /* Forward the IPC_M_DATA_WRITE request to the driver */ … … 708 654 sysarg_t rc; 709 655 async_wait_for(msg, &rc); 710 size_t bytes = IPC_GET_ARG1(answer); 711 712 /* Driver reply is the final result of the whole operation */ 713 async_answer_1(rid, rc, bytes); 714 return; 715 } 716 717 async_answer_0(rid, ENOENT); 718 } 719 720 void devfs_truncate(ipc_callid_t rid, ipc_call_t *request) 721 { 722 async_answer_0(rid, ENOTSUP); 723 } 724 725 void devfs_close(ipc_callid_t rid, ipc_call_t *request) 726 { 727 fs_index_t index = (fs_index_t) IPC_GET_ARG2(*request); 728 729 if (index == 0) { 730 async_answer_0(rid, EOK); 731 return; 732 } 656 657 *wbytes = IPC_GET_ARG1(answer); 658 *nsize = 0; 659 return rc; 660 } 661 662 return ENOENT; 663 } 664 665 static int 666 devfs_truncate(devmap_handle_t devmap_handle, fs_index_t index, aoff64_t size) 667 { 668 return ENOTSUP; 669 } 670 671 static int devfs_close(devmap_handle_t devmap_handle, fs_index_t index) 672 { 673 if (index == 0) 674 return EOK; 733 675 734 676 devmap_handle_type_t type = devmap_handle_probe(index); … … 736 678 if (type == DEV_HANDLE_NAMESPACE) { 737 679 /* Namespace directory */ 738 async_answer_0(rid, EOK); 739 return; 680 return EOK; 740 681 } 741 682 … … 749 690 if (lnk == NULL) { 750 691 fibril_mutex_unlock(&devices_mutex); 751 async_answer_0(rid, ENOENT); 752 return; 692 return ENOENT; 753 693 } 754 694 … … 764 704 fibril_mutex_unlock(&devices_mutex); 765 705 766 async_answer_0(rid, EOK); 767 return; 768 } 769 770 async_answer_0(rid, ENOENT); 771 } 772 773 void devfs_sync(ipc_callid_t rid, ipc_call_t *request) 774 { 775 fs_index_t index = (fs_index_t) IPC_GET_ARG2(*request); 776 777 if (index == 0) { 778 async_answer_0(rid, EOK); 779 return; 780 } 706 return EOK; 707 } 708 709 return ENOENT; 710 } 711 712 static int devfs_sync(devmap_handle_t devmap_handle, fs_index_t index) 713 { 714 if (index == 0) 715 return EOK; 781 716 782 717 devmap_handle_type_t type = devmap_handle_probe(index); … … 784 719 if (type == DEV_HANDLE_NAMESPACE) { 785 720 /* Namespace directory */ 786 async_answer_0(rid, EOK); 787 return; 721 return EOK; 788 722 } 789 723 … … 797 731 if (lnk == NULL) { 798 732 fibril_mutex_unlock(&devices_mutex); 799 async_answer_0(rid, ENOENT); 800 return; 733 return ENOENT; 801 734 } 802 735 … … 808 741 809 742 ipc_call_t answer; 810 aid_t msg = async_send_2(exch, IPC_GET_IMETHOD(*request),811 IPC_GET_ARG1(*request), IPC_GET_ARG2(*request), &answer);743 aid_t msg = async_send_2(exch, VFS_OUT_SYNC, devmap_handle, 744 index, &answer); 812 745 813 746 async_exchange_end(exch); … … 819 752 async_wait_for(msg, &rc); 820 753 821 /* Driver reply is the final result of the whole operation */ 822 async_answer_0(rid, rc); 823 return; 824 } 825 826 async_answer_0(rid, ENOENT); 827 } 828 829 void devfs_destroy(ipc_callid_t rid, ipc_call_t *request) 830 { 831 async_answer_0(rid, ENOTSUP); 832 } 754 return rc; 755 } 756 757 return ENOENT; 758 } 759 760 static int devfs_destroy(devmap_handle_t devmap_handle, fs_index_t index) 761 { 762 return ENOTSUP; 763 } 764 765 vfs_out_ops_t devfs_ops = { 766 .mounted = devfs_mounted, 767 .unmounted = devfs_unmounted, 768 .read = devfs_read, 769 .write = devfs_write, 770 .truncate = devfs_truncate, 771 .close = devfs_close, 772 .destroy = devfs_destroy, 773 .sync = devfs_sync, 774 }; 833 775 834 776 /** -
uspace/srv/fs/devfs/devfs_ops.h
r1bfae13 refc5e42 34 34 #define DEVFS_DEVFS_OPS_H_ 35 35 36 #include <ipc/common.h>37 36 #include <bool.h> 38 37 39 38 extern bool devfs_init(void); 40 41 extern void devfs_mounted(ipc_callid_t, ipc_call_t *);42 extern void devfs_mount(ipc_callid_t, ipc_call_t *);43 extern void devfs_unmounted(ipc_callid_t, ipc_call_t *);44 extern void devfs_unmount(ipc_callid_t, ipc_call_t *);45 extern void devfs_lookup(ipc_callid_t, ipc_call_t *);46 extern void devfs_open_node(ipc_callid_t, ipc_call_t *);47 extern void devfs_stat(ipc_callid_t, ipc_call_t *);48 extern void devfs_sync(ipc_callid_t, ipc_call_t *);49 extern void devfs_read(ipc_callid_t, ipc_call_t *);50 extern void devfs_write(ipc_callid_t, ipc_call_t *);51 extern void devfs_truncate(ipc_callid_t, ipc_call_t *);52 extern void devfs_close(ipc_callid_t, ipc_call_t *);53 extern void devfs_destroy(ipc_callid_t, ipc_call_t *);54 39 55 40 #endif -
uspace/srv/fs/ext2fs/ext2fs.c
r1bfae13 refc5e42 1 1 /* 2 2 * Copyright (c) 2006 Martin Decky 3 * Copyright (c) 2008 Jakub Jermar4 3 * Copyright (c) 2011 Martin Sucha 5 4 * All rights reserved. … … 55 54 }; 56 55 57 fs_reg_t ext2fs_reg;58 59 /**60 * This connection fibril processes VFS requests from VFS.61 *62 * In order to support simultaneous VFS requests, our design is as follows.63 * The connection fibril accepts VFS requests from VFS. If there is only one64 * instance of the fibril, VFS will need to serialize all VFS requests it sends65 * to EXT2FS. To overcome this bottleneck, VFS can send EXT2FS the IPC_M_CONNECT_ME_TO66 * call. In that case, a new connection fibril will be created, which in turn67 * will accept the call. Thus, a new phone will be opened for VFS.68 *69 * There are few issues with this arrangement. First, VFS can run out of70 * available phones. In that case, VFS can close some other phones or use one71 * phone for more serialized requests. Similarily, EXT2FS can refuse to duplicate72 * the connection. VFS should then just make use of already existing phones and73 * route its requests through them. To avoid paying the fibril creation price74 * upon each request, EXT2FS might want to keep the connections open after the75 * request has been completed.76 */77 static void ext2fs_connection(ipc_callid_t iid, ipc_call_t *icall, void *arg)78 {79 if (iid) {80 /*81 * This only happens for connections opened by82 * IPC_M_CONNECT_ME_TO calls as opposed to callback connections83 * created by IPC_M_CONNECT_TO_ME.84 */85 async_answer_0(iid, EOK);86 }87 88 dprintf(NAME ": connection opened\n");89 while (true) {90 ipc_call_t call;91 ipc_callid_t callid = async_get_call(&call);92 93 if (!IPC_GET_IMETHOD(call))94 return;95 96 switch (IPC_GET_IMETHOD(call)) {97 case VFS_OUT_MOUNTED:98 ext2fs_mounted(callid, &call);99 break;100 case VFS_OUT_MOUNT:101 ext2fs_mount(callid, &call);102 break;103 case VFS_OUT_UNMOUNTED:104 ext2fs_unmounted(callid, &call);105 break;106 case VFS_OUT_UNMOUNT:107 ext2fs_unmount(callid, &call);108 break;109 case VFS_OUT_LOOKUP:110 ext2fs_lookup(callid, &call);111 break;112 case VFS_OUT_READ:113 ext2fs_read(callid, &call);114 break;115 case VFS_OUT_WRITE:116 ext2fs_write(callid, &call);117 break;118 case VFS_OUT_TRUNCATE:119 ext2fs_truncate(callid, &call);120 break;121 case VFS_OUT_STAT:122 ext2fs_stat(callid, &call);123 break;124 case VFS_OUT_CLOSE:125 ext2fs_close(callid, &call);126 break;127 case VFS_OUT_DESTROY:128 ext2fs_destroy(callid, &call);129 break;130 case VFS_OUT_OPEN_NODE:131 ext2fs_open_node(callid, &call);132 break;133 case VFS_OUT_SYNC:134 ext2fs_sync(callid, &call);135 break;136 default:137 async_answer_0(callid, ENOTSUP);138 break;139 }140 }141 }142 143 56 int main(int argc, char **argv) 144 57 { … … 158 71 } 159 72 160 rc = fs_register(vfs_sess, &ext2fs_reg, &ext2fs_vfs_info, ext2fs_connection); 73 rc = fs_register(vfs_sess, &ext2fs_vfs_info, &ext2fs_ops, 74 &ext2fs_libfs_ops); 161 75 if (rc != EOK) { 162 76 fprintf(stdout, NAME ": Failed to register fs (%d)\n", rc); -
uspace/srv/fs/ext2fs/ext2fs.h
r1bfae13 refc5e42 1 1 /* 2 * Copyright (c) 2008 Jakub Jermar3 2 * Copyright (c) 2011 Martin Sucha 4 3 * All rights reserved. … … 36 35 37 36 #include <libext2.h> 38 #include <fibril_synch.h>39 37 #include <libfs.h> 40 #include <atomic.h>41 38 #include <sys/types.h> 42 #include <bool.h>43 #include "../../vfs/vfs.h"44 45 #ifndef dprintf46 #define dprintf(...) printf(__VA_ARGS__)47 #endif48 39 49 40 #define min(a, b) ((a) < (b) ? (a) : (b)) 50 41 51 extern fs_reg_t ext2fs_reg; 42 extern vfs_out_ops_t ext2fs_ops; 43 extern libfs_ops_t ext2fs_libfs_ops; 52 44 53 45 extern int ext2fs_global_init(void); 54 46 extern int ext2fs_global_fini(void); 55 extern void ext2fs_mounted(ipc_callid_t, ipc_call_t *);56 extern void ext2fs_mount(ipc_callid_t, ipc_call_t *);57 extern void ext2fs_unmounted(ipc_callid_t, ipc_call_t *);58 extern void ext2fs_unmount(ipc_callid_t, ipc_call_t *);59 extern void ext2fs_lookup(ipc_callid_t, ipc_call_t *);60 extern void ext2fs_read(ipc_callid_t, ipc_call_t *);61 extern void ext2fs_write(ipc_callid_t, ipc_call_t *);62 extern void ext2fs_truncate(ipc_callid_t, ipc_call_t *);63 extern void ext2fs_stat(ipc_callid_t, ipc_call_t *);64 extern void ext2fs_close(ipc_callid_t, ipc_call_t *);65 extern void ext2fs_destroy(ipc_callid_t, ipc_call_t *);66 extern void ext2fs_open_node(ipc_callid_t, ipc_call_t *);67 extern void ext2fs_stat(ipc_callid_t, ipc_call_t *);68 extern void ext2fs_sync(ipc_callid_t, ipc_call_t *);69 47 70 48 #endif -
uspace/srv/fs/ext2fs/ext2fs_ops.c
r1bfae13 refc5e42 1 1 /* 2 * Copyright (c) 2008 Jakub Jermar3 2 * Copyright (c) 2011 Martin Sucha 4 3 * All rights reserved. … … 87 86 */ 88 87 static int ext2fs_instance_get(devmap_handle_t, ext2fs_instance_t **); 89 static void ext2fs_read_directory(ipc_callid_t, ipc_callid_t, aoff64_t,90 size_t, ext2fs_instance_t *, ext2_inode_ref_t *);91 static void ext2fs_read_file(ipc_callid_t, ipc_callid_t, aoff64_t,92 size_t, ext2fs_instance_t *, ext2_inode_ref_t *);88 static int ext2fs_read_directory(ipc_callid_t, aoff64_t, size_t, 89 ext2fs_instance_t *, ext2_inode_ref_t *, size_t *); 90 static int ext2fs_read_file(ipc_callid_t, aoff64_t, size_t, ext2fs_instance_t *, 91 ext2_inode_ref_t *, size_t *); 93 92 static bool ext2fs_is_dots(const uint8_t *, size_t); 94 93 static int ext2fs_node_get_core(fs_node_t **, ext2fs_instance_t *, fs_index_t); … … 111 110 static aoff64_t ext2fs_size_get(fs_node_t *); 112 111 static unsigned ext2fs_lnkcnt_get(fs_node_t *); 113 static char ext2fs_plb_get_char(unsigned);114 112 static bool ext2fs_is_directory(fs_node_t *); 115 113 static bool ext2fs_is_file(fs_node_t *node); … … 538 536 EXT2FS_DBG("%u", count); 539 537 return count; 540 }541 542 char ext2fs_plb_get_char(unsigned pos)543 {544 return ext2fs_reg.plb_ro[pos % PLB_SIZE];545 538 } 546 539 … … 586 579 .size_get = ext2fs_size_get, 587 580 .lnkcnt_get = ext2fs_lnkcnt_get, 588 .plb_get_char = ext2fs_plb_get_char,589 581 .is_directory = ext2fs_is_directory, 590 582 .is_file = ext2fs_is_file, … … 596 588 */ 597 589 598 void ext2fs_mounted(ipc_callid_t rid, ipc_call_t *request) 599 { 600 EXT2FS_DBG(""); 601 int rc;602 devmap_handle_t devmap_handle = (devmap_handle_t) IPC_GET_ARG1(*request);590 static int ext2fs_mounted(devmap_handle_t devmap_handle, const char *opts, 591 fs_index_t *index, aoff64_t *size, unsigned *lnkcnt) 592 { 593 EXT2FS_DBG(""); 594 int rc; 603 595 ext2_filesystem_t *fs; 604 596 ext2fs_instance_t *inst; 605 597 bool read_only; 606 598 607 /* Accept the mount options */608 char *opts;609 rc = async_data_write_accept((void **) &opts, true, 0, 0, 0, NULL);610 611 if (rc != EOK) {612 async_answer_0(rid, rc);613 return;614 }615 616 free(opts);617 618 599 /* Allocate libext2 filesystem structure */ 619 600 fs = (ext2_filesystem_t *) malloc(sizeof(ext2_filesystem_t)); 620 if (fs == NULL) { 621 async_answer_0(rid, ENOMEM); 622 return; 623 } 601 if (fs == NULL) 602 return ENOMEM; 624 603 625 604 /* Allocate instance structure */ … … 627 606 if (inst == NULL) { 628 607 free(fs); 629 async_answer_0(rid, ENOMEM); 630 return; 608 return ENOMEM; 631 609 } 632 610 … … 636 614 free(fs); 637 615 free(inst); 638 async_answer_0(rid, rc); 639 return; 616 return rc; 640 617 } 641 618 … … 646 623 free(fs); 647 624 free(inst); 648 async_answer_0(rid, rc); 649 return; 625 return rc; 650 626 } 651 627 … … 656 632 free(fs); 657 633 free(inst); 658 async_answer_0(rid, rc); 659 return; 634 return rc; 660 635 } 661 636 … … 673 648 free(fs); 674 649 free(inst); 675 async_answer_0(rid, rc); 676 return; 650 return rc; 677 651 } 678 652 ext2fs_node_t *enode = EXT2FS_NODE(root_node); … … 683 657 fibril_mutex_unlock(&instance_list_mutex); 684 658 685 async_answer_3(rid, EOK, 686 EXT2_INODE_ROOT_INDEX, 687 0, 688 ext2_inode_get_usage_count(enode->inode_ref->inode)); 659 *index = EXT2_INODE_ROOT_INDEX; 660 *size = 0; 661 *lnkcnt = ext2_inode_get_usage_count(enode->inode_ref->inode); 689 662 690 663 ext2fs_node_put(root_node); 691 } 692 693 void ext2fs_mount(ipc_callid_t rid, ipc_call_t *request) 694 { 695 EXT2FS_DBG(""); 696 libfs_mount(&ext2fs_libfs_ops, ext2fs_reg.fs_handle, rid, request); 697 } 698 699 void ext2fs_unmounted(ipc_callid_t rid, ipc_call_t *request) 700 { 701 EXT2FS_DBG(""); 702 devmap_handle_t devmap_handle = (devmap_handle_t) IPC_GET_ARG1(*request); 664 665 return EOK; 666 } 667 668 static int ext2fs_unmounted(devmap_handle_t devmap_handle) 669 { 670 EXT2FS_DBG(""); 703 671 ext2fs_instance_t *inst; 704 672 int rc; … … 706 674 rc = ext2fs_instance_get(devmap_handle, &inst); 707 675 708 if (rc != EOK) { 709 async_answer_0(rid, rc); 710 return; 711 } 676 if (rc != EOK) 677 return rc; 712 678 713 679 fibril_mutex_lock(&open_nodes_lock); … … 716 682 if (inst->open_nodes_count != 0) { 717 683 fibril_mutex_unlock(&open_nodes_lock); 718 async_answer_0(rid, EBUSY); 719 return; 684 return EBUSY; 720 685 } 721 686 … … 729 694 ext2_filesystem_fini(inst->filesystem); 730 695 731 async_answer_0(rid, EOK); 732 } 733 734 void ext2fs_unmount(ipc_callid_t rid, ipc_call_t *request) 735 { 736 EXT2FS_DBG(""); 737 libfs_unmount(&ext2fs_libfs_ops, rid, request); 738 } 739 740 void ext2fs_lookup(ipc_callid_t rid, ipc_call_t *request) 741 { 742 EXT2FS_DBG(""); 743 libfs_lookup(&ext2fs_libfs_ops, ext2fs_reg.fs_handle, rid, request); 744 } 745 746 void ext2fs_read(ipc_callid_t rid, ipc_call_t *request) 747 { 748 EXT2FS_DBG(""); 749 devmap_handle_t devmap_handle = (devmap_handle_t) IPC_GET_ARG1(*request); 750 fs_index_t index = (fs_index_t) IPC_GET_ARG2(*request); 751 aoff64_t pos = 752 (aoff64_t) MERGE_LOUP32(IPC_GET_ARG3(*request), IPC_GET_ARG4(*request)); 696 return EOK; 697 } 698 699 static int 700 ext2fs_read(devmap_handle_t devmap_handle, fs_index_t index, aoff64_t pos, 701 size_t *rbytes) 702 { 703 EXT2FS_DBG(""); 753 704 754 705 ext2fs_instance_t *inst; … … 763 714 if (!async_data_read_receive(&callid, &size)) { 764 715 async_answer_0(callid, EINVAL); 765 async_answer_0(rid, EINVAL); 766 return; 716 return EINVAL; 767 717 } 768 718 … … 770 720 if (rc != EOK) { 771 721 async_answer_0(callid, rc); 772 async_answer_0(rid, rc); 773 return; 722 return rc; 774 723 } 775 724 … … 777 726 if (rc != EOK) { 778 727 async_answer_0(callid, rc); 779 async_answer_0(rid, rc); 780 return; 728 return rc; 781 729 } 782 730 783 731 if (ext2_inode_is_type(inst->filesystem->superblock, inode_ref->inode, 784 785 ext2fs_read_file(rid, callid, pos, size, inst, inode_ref);786 }787 else if (ext2_inode_is_type(inst->filesystem->superblock, inode_ref->inode,788 789 ext2fs_read_directory(rid, callid, pos, size, inst, inode_ref);790 }791 else {732 EXT2_INODE_MODE_FILE)) { 733 rc = ext2fs_read_file(callid, pos, size, inst, inode_ref, 734 rbytes); 735 } else if (ext2_inode_is_type(inst->filesystem->superblock, 736 inode_ref->inode, EXT2_INODE_MODE_DIRECTORY)) { 737 rc = ext2fs_read_directory(callid, pos, size, inst, inode_ref, 738 rbytes); 739 } else { 792 740 /* Other inode types not supported */ 793 741 async_answer_0(callid, ENOTSUP); 794 async_answer_0(rid, ENOTSUP);742 rc = ENOTSUP; 795 743 } 796 744 797 745 ext2_filesystem_put_inode_ref(inode_ref); 798 746 747 return rc; 799 748 } 800 749 … … 814 763 } 815 764 816 void ext2fs_read_directory(ipc_callid_t rid, ipc_callid_t callid, aoff64_t pos,817 size_t size, ext2fs_instance_t *inst, ext2_inode_ref_t *inode_ref)765 int ext2fs_read_directory(ipc_callid_t callid, aoff64_t pos, size_t size, 766 ext2fs_instance_t *inst, ext2_inode_ref_t *inode_ref, size_t *rbytes) 818 767 { 819 768 ext2_directory_iterator_t it; … … 827 776 if (rc != EOK) { 828 777 async_answer_0(callid, rc); 829 async_answer_0(rid, rc); 830 return; 778 return rc; 831 779 } 832 780 … … 841 789 842 790 name_size = ext2_directory_entry_ll_get_name_length( 843 791 inst->filesystem->superblock, it.current); 844 792 845 793 /* skip . and .. */ … … 849 797 850 798 /* The on-disk entry does not contain \0 at the end 851 852 853 799 * end of entry name, so we copy it to new buffer 800 * and add the \0 at the end 801 */ 854 802 buf = malloc(name_size+1); 855 803 if (buf == NULL) { 856 804 ext2_directory_iterator_fini(&it); 857 805 async_answer_0(callid, ENOMEM); 858 async_answer_0(rid, ENOMEM); 859 return; 806 return ENOMEM; 860 807 } 861 808 memcpy(buf, &it.current->name, name_size); 862 *(buf +name_size) = 0;809 *(buf + name_size) = 0; 863 810 found = true; 864 (void) async_data_read_finalize(callid, buf, name_size +1);811 (void) async_data_read_finalize(callid, buf, name_size + 1); 865 812 free(buf); 866 813 break; … … 871 818 ext2_directory_iterator_fini(&it); 872 819 async_answer_0(callid, rc); 873 async_answer_0(rid, rc); 874 return; 820 return rc; 875 821 } 876 822 } … … 878 824 if (found) { 879 825 rc = ext2_directory_iterator_next(&it); 880 if (rc != EOK) { 881 async_answer_0(rid, rc); 882 return; 883 } 826 if (rc != EOK) 827 return rc; 884 828 next = it.current_offset; 885 829 } 886 830 887 831 rc = ext2_directory_iterator_fini(&it); 888 if (rc != EOK) { 889 async_answer_0(rid, rc); 890 return; 891 } 832 if (rc != EOK) 833 return rc; 892 834 893 835 if (found) { 894 async_answer_1(rid, EOK, next-pos);895 }896 else {836 *rbytes = next - pos; 837 return EOK; 838 } else { 897 839 async_answer_0(callid, ENOENT); 898 async_answer_0(rid, ENOENT);899 } 900 } 901 902 void ext2fs_read_file(ipc_callid_t rid, ipc_callid_t callid, aoff64_t pos,903 size_t size, ext2fs_instance_t *inst, ext2_inode_ref_t *inode_ref)840 return ENOENT; 841 } 842 } 843 844 int ext2fs_read_file(ipc_callid_t callid, aoff64_t pos, size_t size, 845 ext2fs_instance_t *inst, ext2_inode_ref_t *inode_ref, size_t *rbytes) 904 846 { 905 847 int rc; … … 919 861 /* Read 0 bytes successfully */ 920 862 async_data_read_finalize(callid, NULL, 0); 921 async_answer_1(rid, EOK, 0);922 return ;863 *rbytes = 0; 864 return EOK; 923 865 } 924 866 … … 939 881 if (rc != EOK) { 940 882 async_answer_0(callid, rc); 941 async_answer_0(rid, rc); 942 return; 883 return rc; 943 884 } 944 885 … … 952 893 if (buffer == NULL) { 953 894 async_answer_0(callid, ENOMEM); 954 async_answer_0(rid, ENOMEM); 955 return; 895 return ENOMEM; 956 896 } 957 897 … … 959 899 960 900 async_data_read_finalize(callid, buffer, bytes); 961 async_answer_1(rid, EOK, bytes);901 *rbytes = bytes; 962 902 963 903 free(buffer); 964 904 965 return ;905 return EOK; 966 906 } 967 907 … … 970 910 if (rc != EOK) { 971 911 async_answer_0(callid, rc); 972 async_answer_0(rid, rc); 973 return; 912 return rc; 974 913 } 975 914 … … 978 917 979 918 rc = block_put(block); 980 if (rc != EOK) { 981 async_answer_0(rid, rc); 982 return; 983 } 984 985 async_answer_1(rid, EOK, bytes); 986 } 987 988 void ext2fs_write(ipc_callid_t rid, ipc_call_t *request) 989 { 990 EXT2FS_DBG(""); 991 // devmap_handle_t devmap_handle = (devmap_handle_t) IPC_GET_ARG1(*request); 992 // fs_index_t index = (fs_index_t) IPC_GET_ARG2(*request); 993 // aoff64_t pos = 994 // (aoff64_t) MERGE_LOUP32(IPC_GET_ARG3(*request), IPC_GET_ARG4(*request)); 995 996 // TODO 997 async_answer_0(rid, ENOTSUP); 998 } 999 1000 void ext2fs_truncate(ipc_callid_t rid, ipc_call_t *request) 1001 { 1002 EXT2FS_DBG(""); 1003 // devmap_handle_t devmap_handle = (devmap_handle_t) IPC_GET_ARG1(*request); 1004 // fs_index_t index = (fs_index_t) IPC_GET_ARG2(*request); 1005 // aoff64_t size = 1006 // (aoff64_t) MERGE_LOUP32(IPC_GET_ARG3(*request), IPC_GET_ARG4(*request)); 1007 1008 // TODO 1009 async_answer_0(rid, ENOTSUP); 1010 } 1011 1012 void ext2fs_close(ipc_callid_t rid, ipc_call_t *request) 1013 { 1014 EXT2FS_DBG(""); 1015 async_answer_0(rid, EOK); 1016 } 1017 1018 void ext2fs_destroy(ipc_callid_t rid, ipc_call_t *request) 1019 { 1020 EXT2FS_DBG(""); 1021 // devmap_handle_t devmap_handle = (devmap_handle_t)IPC_GET_ARG1(*request); 1022 // fs_index_t index = (fs_index_t)IPC_GET_ARG2(*request); 1023 1024 // TODO 1025 async_answer_0(rid, ENOTSUP); 1026 } 1027 1028 void ext2fs_open_node(ipc_callid_t rid, ipc_call_t *request) 1029 { 1030 EXT2FS_DBG(""); 1031 libfs_open_node(&ext2fs_libfs_ops, ext2fs_reg.fs_handle, rid, request); 1032 } 1033 1034 void ext2fs_stat(ipc_callid_t rid, ipc_call_t *request) 1035 { 1036 EXT2FS_DBG(""); 1037 libfs_stat(&ext2fs_libfs_ops, ext2fs_reg.fs_handle, rid, request); 1038 } 1039 1040 void ext2fs_sync(ipc_callid_t rid, ipc_call_t *request) 1041 { 1042 EXT2FS_DBG(""); 1043 // devmap_handle_t devmap_handle = (devmap_handle_t) IPC_GET_ARG1(*request); 1044 // fs_index_t index = (fs_index_t) IPC_GET_ARG2(*request); 1045 1046 // TODO 1047 async_answer_0(rid, ENOTSUP); 1048 } 919 if (rc != EOK) 920 return rc; 921 922 *rbytes = bytes; 923 return EOK; 924 } 925 926 static int 927 ext2fs_write(devmap_handle_t devmap_handle, fs_index_t index, aoff64_t pos, 928 size_t *wbytes, aoff64_t *nsize) 929 { 930 EXT2FS_DBG(""); 931 return ENOTSUP; 932 } 933 934 static int 935 ext2fs_truncate(devmap_handle_t devmap_handle, fs_index_t index, aoff64_t size) 936 { 937 EXT2FS_DBG(""); 938 return ENOTSUP; 939 } 940 941 static int ext2fs_close(devmap_handle_t devmap_handle, fs_index_t index) 942 { 943 EXT2FS_DBG(""); 944 return EOK; 945 } 946 947 static int ext2fs_destroy(devmap_handle_t devmap_handle, fs_index_t index) 948 { 949 EXT2FS_DBG(""); 950 return ENOTSUP; 951 } 952 953 static int ext2fs_sync(devmap_handle_t devmap_handle, fs_index_t index) 954 { 955 EXT2FS_DBG(""); 956 return ENOTSUP; 957 } 958 959 vfs_out_ops_t ext2fs_ops = { 960 .mounted = ext2fs_mounted, 961 .unmounted = ext2fs_unmounted, 962 .read = ext2fs_read, 963 .write = ext2fs_write, 964 .truncate = ext2fs_truncate, 965 .close = ext2fs_close, 966 .destroy = ext2fs_destroy, 967 .sync = ext2fs_sync, 968 }; 1049 969 1050 970 /** 1051 971 * @} 1052 972 */ 973 -
uspace/srv/fs/fat/fat.c
r1bfae13 refc5e42 56 56 }; 57 57 58 fs_reg_t fat_reg;59 60 /**61 * This connection fibril processes VFS requests from VFS.62 *63 * In order to support simultaneous VFS requests, our design is as follows.64 * The connection fibril accepts VFS requests from VFS. If there is only one65 * instance of the fibril, VFS will need to serialize all VFS requests it sends66 * to FAT. To overcome this bottleneck, VFS can send FAT the IPC_M_CONNECT_ME_TO67 * call. In that case, a new connection fibril will be created, which in turn68 * will accept the call. Thus, a new phone will be opened for VFS.69 *70 * There are few issues with this arrangement. First, VFS can run out of71 * available phones. In that case, VFS can close some other phones or use one72 * phone for more serialized requests. Similarily, FAT can refuse to duplicate73 * the connection. VFS should then just make use of already existing phones and74 * route its requests through them. To avoid paying the fibril creation price75 * upon each request, FAT might want to keep the connections open after the76 * request has been completed.77 */78 static void fat_connection(ipc_callid_t iid, ipc_call_t *icall, void *arg)79 {80 if (iid) {81 /*82 * This only happens for connections opened by83 * IPC_M_CONNECT_ME_TO calls as opposed to callback connections84 * created by IPC_M_CONNECT_TO_ME.85 */86 async_answer_0(iid, EOK);87 }88 89 dprintf(NAME ": connection opened\n");90 91 while (true) {92 ipc_call_t call;93 ipc_callid_t callid = async_get_call(&call);94 95 if (!IPC_GET_IMETHOD(call))96 return;97 98 switch (IPC_GET_IMETHOD(call)) {99 case VFS_OUT_MOUNTED:100 fat_mounted(callid, &call);101 break;102 case VFS_OUT_MOUNT:103 fat_mount(callid, &call);104 break;105 case VFS_OUT_UNMOUNTED:106 fat_unmounted(callid, &call);107 break;108 case VFS_OUT_UNMOUNT:109 fat_unmount(callid, &call);110 break;111 case VFS_OUT_LOOKUP:112 fat_lookup(callid, &call);113 break;114 case VFS_OUT_READ:115 fat_read(callid, &call);116 break;117 case VFS_OUT_WRITE:118 fat_write(callid, &call);119 break;120 case VFS_OUT_TRUNCATE:121 fat_truncate(callid, &call);122 break;123 case VFS_OUT_STAT:124 fat_stat(callid, &call);125 break;126 case VFS_OUT_CLOSE:127 fat_close(callid, &call);128 break;129 case VFS_OUT_DESTROY:130 fat_destroy(callid, &call);131 break;132 case VFS_OUT_OPEN_NODE:133 fat_open_node(callid, &call);134 break;135 case VFS_OUT_SYNC:136 fat_sync(callid, &call);137 break;138 default:139 async_answer_0(callid, ENOTSUP);140 break;141 }142 }143 }144 145 58 int main(int argc, char **argv) 146 59 { … … 158 71 } 159 72 160 rc = fs_register(vfs_sess, &fat_ reg, &fat_vfs_info, fat_connection);73 rc = fs_register(vfs_sess, &fat_vfs_info, &fat_ops, &fat_libfs_ops); 161 74 if (rc != EOK) { 162 75 fat_idx_fini(); -
uspace/srv/fs/fat/fat.h
r1bfae13 refc5e42 224 224 } fat_node_t; 225 225 226 extern fs_reg_t fat_reg; 227 228 extern void fat_mounted(ipc_callid_t, ipc_call_t *); 229 extern void fat_mount(ipc_callid_t, ipc_call_t *); 230 extern void fat_unmounted(ipc_callid_t, ipc_call_t *); 231 extern void fat_unmount(ipc_callid_t, ipc_call_t *); 232 extern void fat_lookup(ipc_callid_t, ipc_call_t *); 233 extern void fat_read(ipc_callid_t, ipc_call_t *); 234 extern void fat_write(ipc_callid_t, ipc_call_t *); 235 extern void fat_truncate(ipc_callid_t, ipc_call_t *); 236 extern void fat_stat(ipc_callid_t, ipc_call_t *); 237 extern void fat_close(ipc_callid_t, ipc_call_t *); 238 extern void fat_destroy(ipc_callid_t, ipc_call_t *); 239 extern void fat_open_node(ipc_callid_t, ipc_call_t *); 240 extern void fat_stat(ipc_callid_t, ipc_call_t *); 241 extern void fat_sync(ipc_callid_t, ipc_call_t *); 226 extern vfs_out_ops_t fat_ops; 227 extern libfs_ops_t fat_libfs_ops; 242 228 243 229 extern int fat_idx_get_new(fat_idx_t **, devmap_handle_t); -
uspace/srv/fs/fat/fat_ops.c
r1bfae13 refc5e42 85 85 static aoff64_t fat_size_get(fs_node_t *); 86 86 static unsigned fat_lnkcnt_get(fs_node_t *); 87 static char fat_plb_get_char(unsigned);88 87 static bool fat_is_directory(fs_node_t *); 89 88 static bool fat_is_file(fs_node_t *node); … … 901 900 } 902 901 903 char fat_plb_get_char(unsigned pos)904 {905 return fat_reg.plb_ro[pos % PLB_SIZE];906 }907 908 902 bool fat_is_directory(fs_node_t *fn) 909 903 { … … 936 930 .size_get = fat_size_get, 937 931 .lnkcnt_get = fat_lnkcnt_get, 938 .plb_get_char = fat_plb_get_char,939 932 .is_directory = fat_is_directory, 940 933 .is_file = fat_is_file, … … 943 936 944 937 /* 945 * VFSoperations.938 * FAT VFS_OUT operations. 946 939 */ 947 940 948 void fat_mounted(ipc_callid_t rid, ipc_call_t *request) 949 { 950 devmap_handle_t devmap_handle = (devmap_handle_t) IPC_GET_ARG1(*request); 941 static int 942 fat_mounted(devmap_handle_t devmap_handle, const char *opts, fs_index_t *index, 943 aoff64_t *size, unsigned *linkcnt) 944 { 951 945 enum cache_mode cmode; 952 946 fat_bs_t *bs; 953 954 /* Accept the mount options */ 955 char *opts; 956 int rc = async_data_write_accept((void **) &opts, true, 0, 0, 0, NULL); 957 958 if (rc != EOK) { 959 async_answer_0(rid, rc); 960 return; 961 } 962 947 int rc; 948 963 949 /* Check for option enabling write through. */ 964 950 if (str_cmp(opts, "wtcache") == 0) … … 967 953 cmode = CACHE_MODE_WB; 968 954 969 free(opts);970 971 955 /* initialize libblock */ 972 956 rc = block_init(EXCHANGE_SERIALIZE, devmap_handle, BS_SIZE); 973 if (rc != EOK) { 974 async_answer_0(rid, rc); 975 return; 976 } 957 if (rc != EOK) 958 return rc; 977 959 978 960 /* prepare the boot block */ … … 980 962 if (rc != EOK) { 981 963 block_fini(devmap_handle); 982 async_answer_0(rid, rc); 983 return; 964 return rc; 984 965 } 985 966 … … 989 970 if (BPS(bs) != BS_SIZE) { 990 971 block_fini(devmap_handle); 991 async_answer_0(rid, ENOTSUP); 992 return; 972 return ENOTSUP; 993 973 } 994 974 … … 997 977 if (rc != EOK) { 998 978 block_fini(devmap_handle); 999 async_answer_0(rid, rc); 1000 return; 979 return rc; 1001 980 } 1002 981 … … 1006 985 (void) block_cache_fini(devmap_handle); 1007 986 block_fini(devmap_handle); 1008 async_answer_0(rid, rc); 1009 return; 987 return rc; 1010 988 } 1011 989 … … 1014 992 (void) block_cache_fini(devmap_handle); 1015 993 block_fini(devmap_handle); 1016 async_answer_0(rid, rc); 1017 return; 994 return rc; 1018 995 } 1019 996 … … 1024 1001 block_fini(devmap_handle); 1025 1002 fat_idx_fini_by_devmap_handle(devmap_handle); 1026 async_answer_0(rid, ENOMEM); 1027 return; 1003 return ENOMEM; 1028 1004 } 1029 1005 fs_node_initialize(rfn); … … 1034 1010 block_fini(devmap_handle); 1035 1011 fat_idx_fini_by_devmap_handle(devmap_handle); 1036 async_answer_0(rid, ENOMEM); 1037 return; 1012 return ENOMEM; 1038 1013 } 1039 1014 fat_node_initialize(rootp); … … 1046 1021 block_fini(devmap_handle); 1047 1022 fat_idx_fini_by_devmap_handle(devmap_handle); 1048 async_answer_0(rid, ENOMEM); 1049 return; 1023 return ENOMEM; 1050 1024 } 1051 1025 assert(ridxp->index == 0); … … 1064 1038 fibril_mutex_unlock(&ridxp->lock); 1065 1039 1066 async_answer_3(rid, EOK, ridxp->index, rootp->size, rootp->lnkcnt); 1067 } 1068 1069 void fat_mount(ipc_callid_t rid, ipc_call_t *request) 1070 { 1071 libfs_mount(&fat_libfs_ops, fat_reg.fs_handle, rid, request); 1072 } 1073 1074 void fat_unmounted(ipc_callid_t rid, ipc_call_t *request) 1075 { 1076 devmap_handle_t devmap_handle = (devmap_handle_t) IPC_GET_ARG1(*request); 1040 *index = ridxp->index; 1041 *size = rootp->size; 1042 *linkcnt = rootp->lnkcnt; 1043 1044 return EOK; 1045 } 1046 1047 static int fat_unmounted(devmap_handle_t devmap_handle) 1048 { 1077 1049 fs_node_t *fn; 1078 1050 fat_node_t *nodep; … … 1080 1052 1081 1053 rc = fat_root_get(&fn, devmap_handle); 1082 if (rc != EOK) { 1083 async_answer_0(rid, rc); 1084 return; 1085 } 1054 if (rc != EOK) 1055 return rc; 1086 1056 nodep = FAT_NODE(fn); 1087 1057 … … 1092 1062 if (nodep->refcnt != 2) { 1093 1063 (void) fat_node_put(fn); 1094 async_answer_0(rid, EBUSY); 1095 return; 1064 return EBUSY; 1096 1065 } 1097 1066 … … 1112 1081 block_fini(devmap_handle); 1113 1082 1114 async_answer_0(rid, EOK); 1115 } 1116 1117 void fat_unmount(ipc_callid_t rid, ipc_call_t *request) 1118 { 1119 libfs_unmount(&fat_libfs_ops, rid, request); 1120 } 1121 1122 void fat_lookup(ipc_callid_t rid, ipc_call_t *request) 1123 { 1124 libfs_lookup(&fat_libfs_ops, fat_reg.fs_handle, rid, request); 1125 } 1126 1127 void fat_read(ipc_callid_t rid, ipc_call_t *request) 1128 { 1129 devmap_handle_t devmap_handle = (devmap_handle_t) IPC_GET_ARG1(*request); 1130 fs_index_t index = (fs_index_t) IPC_GET_ARG2(*request); 1131 aoff64_t pos = 1132 (aoff64_t) MERGE_LOUP32(IPC_GET_ARG3(*request), IPC_GET_ARG4(*request)); 1083 return EOK; 1084 } 1085 1086 static int 1087 fat_read(devmap_handle_t devmap_handle, fs_index_t index, aoff64_t pos, 1088 size_t *rbytes) 1089 { 1133 1090 fs_node_t *fn; 1134 1091 fat_node_t *nodep; … … 1139 1096 1140 1097 rc = fat_node_get(&fn, devmap_handle, index); 1141 if (rc != EOK) { 1142 async_answer_0(rid, rc); 1143 return; 1144 } 1145 if (!fn) { 1146 async_answer_0(rid, ENOENT); 1147 return; 1148 } 1098 if (rc != EOK) 1099 return rc; 1100 if (!fn) 1101 return ENOENT; 1149 1102 nodep = FAT_NODE(fn); 1150 1103 … … 1154 1107 fat_node_put(fn); 1155 1108 async_answer_0(callid, EINVAL); 1156 async_answer_0(rid, EINVAL); 1157 return; 1109 return EINVAL; 1158 1110 } 1159 1111 … … 1178 1130 fat_node_put(fn); 1179 1131 async_answer_0(callid, rc); 1180 async_answer_0(rid, rc); 1181 return; 1132 return rc; 1182 1133 } 1183 1134 (void) async_data_read_finalize(callid, … … 1186 1137 if (rc != EOK) { 1187 1138 fat_node_put(fn); 1188 async_answer_0(rid, rc); 1189 return; 1139 return rc; 1190 1140 } 1191 1141 } … … 1244 1194 rc = fat_node_put(fn); 1245 1195 async_answer_0(callid, rc != EOK ? rc : ENOENT); 1246 async_answer_1(rid, rc != EOK ? rc : ENOENT, 0);1247 return ;1196 *rbytes = 0; 1197 return rc != EOK ? rc : ENOENT; 1248 1198 1249 1199 err: 1250 1200 (void) fat_node_put(fn); 1251 1201 async_answer_0(callid, rc); 1252 async_answer_0(rid, rc); 1253 return; 1202 return rc; 1254 1203 1255 1204 hit: … … 1259 1208 1260 1209 rc = fat_node_put(fn); 1261 async_answer_1(rid, rc, (sysarg_t)bytes); 1262 } 1263 1264 void fat_write(ipc_callid_t rid, ipc_call_t *request) 1265 { 1266 devmap_handle_t devmap_handle = (devmap_handle_t) IPC_GET_ARG1(*request); 1267 fs_index_t index = (fs_index_t) IPC_GET_ARG2(*request); 1268 aoff64_t pos = 1269 (aoff64_t) MERGE_LOUP32(IPC_GET_ARG3(*request), IPC_GET_ARG4(*request)); 1210 *rbytes = bytes; 1211 return rc; 1212 } 1213 1214 static int 1215 fat_write(devmap_handle_t devmap_handle, fs_index_t index, aoff64_t pos, 1216 size_t *wbytes, aoff64_t *nsize) 1217 { 1270 1218 fs_node_t *fn; 1271 1219 fat_node_t *nodep; 1272 1220 fat_bs_t *bs; 1273 size_t bytes , size;1221 size_t bytes; 1274 1222 block_t *b; 1275 1223 aoff64_t boundary; … … 1278 1226 1279 1227 rc = fat_node_get(&fn, devmap_handle, index); 1280 if (rc != EOK) { 1281 async_answer_0(rid, rc); 1282 return; 1283 } 1284 if (!fn) { 1285 async_answer_0(rid, ENOENT); 1286 return; 1287 } 1228 if (rc != EOK) 1229 return rc; 1230 if (!fn) 1231 return ENOENT; 1288 1232 nodep = FAT_NODE(fn); 1289 1233 … … 1293 1237 (void) fat_node_put(fn); 1294 1238 async_answer_0(callid, EINVAL); 1295 async_answer_0(rid, EINVAL); 1296 return; 1239 return EINVAL; 1297 1240 } 1298 1241 … … 1322 1265 (void) fat_node_put(fn); 1323 1266 async_answer_0(callid, rc); 1324 async_answer_0(rid, rc); 1325 return; 1267 return rc; 1326 1268 } 1327 1269 rc = fat_block_get(&b, bs, nodep, pos / BPS(bs), flags); … … 1329 1271 (void) fat_node_put(fn); 1330 1272 async_answer_0(callid, rc); 1331 async_answer_0(rid, rc); 1332 return; 1273 return rc; 1333 1274 } 1334 1275 (void) async_data_write_finalize(callid, … … 1338 1279 if (rc != EOK) { 1339 1280 (void) fat_node_put(fn); 1340 async_answer_0(rid, rc); 1341 return; 1281 return rc; 1342 1282 } 1343 1283 if (pos + bytes > nodep->size) { … … 1345 1285 nodep->dirty = true; /* need to sync node */ 1346 1286 } 1347 size = nodep->size; 1287 *wbytes = bytes; 1288 *nsize = nodep->size; 1348 1289 rc = fat_node_put(fn); 1349 async_answer_2(rid, rc, bytes, nodep->size); 1350 return; 1290 return rc; 1351 1291 } else { 1352 1292 /* … … 1364 1304 (void) fat_node_put(fn); 1365 1305 async_answer_0(callid, rc); 1366 async_answer_0(rid, rc); 1367 return; 1306 return rc; 1368 1307 } 1369 1308 /* zero fill any gaps */ … … 1373 1312 (void) fat_node_put(fn); 1374 1313 async_answer_0(callid, rc); 1375 async_answer_0(rid, rc); 1376 return; 1314 return rc; 1377 1315 } 1378 1316 rc = _fat_block_get(&b, bs, devmap_handle, lcl, NULL, … … 1382 1320 (void) fat_node_put(fn); 1383 1321 async_answer_0(callid, rc); 1384 async_answer_0(rid, rc); 1385 return; 1322 return rc; 1386 1323 } 1387 1324 (void) async_data_write_finalize(callid, … … 1392 1329 (void) fat_free_clusters(bs, devmap_handle, mcl); 1393 1330 (void) fat_node_put(fn); 1394 async_answer_0(rid, rc); 1395 return; 1331 return rc; 1396 1332 } 1397 1333 /* … … 1403 1339 (void) fat_free_clusters(bs, devmap_handle, mcl); 1404 1340 (void) fat_node_put(fn); 1405 async_answer_0(rid, rc);1406 return;1407 }1408 nodep->size = size = pos + bytes;1341 return rc; 1342 } 1343 *nsize = nodep->size = pos + bytes; 1344 rc = fat_node_put(fn); 1409 1345 nodep->dirty = true; /* need to sync node */ 1410 rc = fat_node_put(fn); 1411 async_answer_2(rid, rc, bytes, size); 1412 return; 1413 } 1414 } 1415 1416 void fat_truncate(ipc_callid_t rid, ipc_call_t *request) 1417 { 1418 devmap_handle_t devmap_handle = (devmap_handle_t) IPC_GET_ARG1(*request); 1419 fs_index_t index = (fs_index_t) IPC_GET_ARG2(*request); 1420 aoff64_t size = 1421 (aoff64_t) MERGE_LOUP32(IPC_GET_ARG3(*request), IPC_GET_ARG4(*request)); 1346 *wbytes = bytes; 1347 return rc; 1348 } 1349 } 1350 1351 static int 1352 fat_truncate(devmap_handle_t devmap_handle, fs_index_t index, aoff64_t size) 1353 { 1422 1354 fs_node_t *fn; 1423 1355 fat_node_t *nodep; … … 1426 1358 1427 1359 rc = fat_node_get(&fn, devmap_handle, index); 1428 if (rc != EOK) { 1429 async_answer_0(rid, rc); 1430 return; 1431 } 1432 if (!fn) { 1433 async_answer_0(rid, ENOENT); 1434 return; 1435 } 1360 if (rc != EOK) 1361 return rc; 1362 if (!fn) 1363 return ENOENT; 1436 1364 nodep = FAT_NODE(fn); 1437 1365 … … 1477 1405 out: 1478 1406 fat_node_put(fn); 1479 async_answer_0(rid, rc); 1480 return; 1481 } 1482 1483 void fat_close(ipc_callid_t rid, ipc_call_t *request) 1484 { 1485 async_answer_0(rid, EOK); 1486 } 1487 1488 void fat_destroy(ipc_callid_t rid, ipc_call_t *request) 1489 { 1490 devmap_handle_t devmap_handle = (devmap_handle_t)IPC_GET_ARG1(*request); 1491 fs_index_t index = (fs_index_t)IPC_GET_ARG2(*request); 1407 return rc; 1408 } 1409 1410 static int fat_close(devmap_handle_t devmap_handle, fs_index_t index) 1411 { 1412 return EOK; 1413 } 1414 1415 static int fat_destroy(devmap_handle_t devmap_handle, fs_index_t index) 1416 { 1492 1417 fs_node_t *fn; 1493 1418 fat_node_t *nodep; … … 1495 1420 1496 1421 rc = fat_node_get(&fn, devmap_handle, index); 1497 if (rc != EOK) { 1498 async_answer_0(rid, rc); 1499 return; 1500 } 1501 if (!fn) { 1502 async_answer_0(rid, ENOENT); 1503 return; 1504 } 1422 if (rc != EOK) 1423 return rc; 1424 if (!fn) 1425 return ENOENT; 1505 1426 1506 1427 nodep = FAT_NODE(fn); … … 1512 1433 1513 1434 rc = fat_destroy_node(fn); 1514 async_answer_0(rid, rc); 1515 } 1516 1517 void fat_open_node(ipc_callid_t rid, ipc_call_t *request) 1518 { 1519 libfs_open_node(&fat_libfs_ops, fat_reg.fs_handle, rid, request); 1520 } 1521 1522 void fat_stat(ipc_callid_t rid, ipc_call_t *request) 1523 { 1524 libfs_stat(&fat_libfs_ops, fat_reg.fs_handle, rid, request); 1525 } 1526 1527 void fat_sync(ipc_callid_t rid, ipc_call_t *request) 1528 { 1529 devmap_handle_t devmap_handle = (devmap_handle_t) IPC_GET_ARG1(*request); 1530 fs_index_t index = (fs_index_t) IPC_GET_ARG2(*request); 1531 1435 return rc; 1436 } 1437 1438 static int fat_sync(devmap_handle_t devmap_handle, fs_index_t index) 1439 { 1532 1440 fs_node_t *fn; 1533 1441 int rc = fat_node_get(&fn, devmap_handle, index); 1534 if (rc != EOK) { 1535 async_answer_0(rid, rc); 1536 return; 1537 } 1538 if (!fn) { 1539 async_answer_0(rid, ENOENT); 1540 return; 1541 } 1442 if (rc != EOK) 1443 return rc; 1444 if (!fn) 1445 return ENOENT; 1542 1446 1543 1447 fat_node_t *nodep = FAT_NODE(fn); … … 1547 1451 1548 1452 fat_node_put(fn); 1549 async_answer_0(rid, rc); 1550 } 1453 return rc; 1454 } 1455 1456 vfs_out_ops_t fat_ops = { 1457 .mounted = fat_mounted, 1458 .unmounted = fat_unmounted, 1459 .read = fat_read, 1460 .write = fat_write, 1461 .truncate = fat_truncate, 1462 .close = fat_close, 1463 .destroy = fat_destroy, 1464 .sync = fat_sync, 1465 }; 1551 1466 1552 1467 /** -
uspace/srv/fs/tmpfs/tmpfs.c
r1bfae13 refc5e42 61 61 }; 62 62 63 fs_reg_t tmpfs_reg;64 65 /**66 * This connection fibril processes VFS requests from VFS.67 *68 * In order to support simultaneous VFS requests, our design is as follows.69 * The connection fibril accepts VFS requests from VFS. If there is only one70 * instance of the fibril, VFS will need to serialize all VFS requests it sends71 * to FAT. To overcome this bottleneck, VFS can send TMPFS the72 * IPC_M_CONNECT_ME_TO call. In that case, a new connection fibril will be73 * created, which in turn will accept the call. Thus, a new phone will be74 * opened for VFS.75 *76 * There are few issues with this arrangement. First, VFS can run out of77 * available phones. In that case, VFS can close some other phones or use one78 * phone for more serialized requests. Similarily, TMPFS can refuse to duplicate79 * the connection. VFS should then just make use of already existing phones and80 * route its requests through them. To avoid paying the fibril creation price81 * upon each request, TMPFS might want to keep the connections open after the82 * request has been completed.83 */84 static void tmpfs_connection(ipc_callid_t iid, ipc_call_t *icall, void *arg)85 {86 if (iid) {87 /*88 * This only happens for connections opened by89 * IPC_M_CONNECT_ME_TO calls as opposed to callback connections90 * created by IPC_M_CONNECT_TO_ME.91 */92 async_answer_0(iid, EOK);93 }94 95 dprintf(NAME ": connection opened\n");96 97 while (true) {98 ipc_call_t call;99 ipc_callid_t callid = async_get_call(&call);100 101 if (!IPC_GET_IMETHOD(call))102 return;103 104 switch (IPC_GET_IMETHOD(call)) {105 case VFS_OUT_MOUNTED:106 tmpfs_mounted(callid, &call);107 break;108 case VFS_OUT_MOUNT:109 tmpfs_mount(callid, &call);110 break;111 case VFS_OUT_UNMOUNTED:112 tmpfs_unmounted(callid, &call);113 break;114 case VFS_OUT_UNMOUNT:115 tmpfs_unmount(callid, &call);116 break;117 case VFS_OUT_LOOKUP:118 tmpfs_lookup(callid, &call);119 break;120 case VFS_OUT_READ:121 tmpfs_read(callid, &call);122 break;123 case VFS_OUT_WRITE:124 tmpfs_write(callid, &call);125 break;126 case VFS_OUT_TRUNCATE:127 tmpfs_truncate(callid, &call);128 break;129 case VFS_OUT_CLOSE:130 tmpfs_close(callid, &call);131 break;132 case VFS_OUT_DESTROY:133 tmpfs_destroy(callid, &call);134 break;135 case VFS_OUT_OPEN_NODE:136 tmpfs_open_node(callid, &call);137 break;138 case VFS_OUT_STAT:139 tmpfs_stat(callid, &call);140 break;141 case VFS_OUT_SYNC:142 tmpfs_sync(callid, &call);143 break;144 default:145 async_answer_0(callid, ENOTSUP);146 break;147 }148 }149 }150 151 63 int main(int argc, char **argv) 152 64 { … … 165 77 } 166 78 167 int rc = fs_register(vfs_sess, &tmpfs_ reg, &tmpfs_vfs_info,168 tmpfs_connection);79 int rc = fs_register(vfs_sess, &tmpfs_vfs_info, &tmpfs_ops, 80 &tmpfs_libfs_ops); 169 81 if (rc != EOK) { 170 82 printf(NAME ": Failed to register file system (%d)\n", rc); -
uspace/srv/fs/tmpfs/tmpfs.h
r1bfae13 refc5e42 70 70 } tmpfs_node_t; 71 71 72 extern fs_reg_t tmpfs_reg; 73 72 extern vfs_out_ops_t tmpfs_ops; 74 73 extern libfs_ops_t tmpfs_libfs_ops; 75 74 76 75 extern bool tmpfs_init(void); 77 78 extern void tmpfs_mounted(ipc_callid_t, ipc_call_t *);79 extern void tmpfs_mount(ipc_callid_t, ipc_call_t *);80 extern void tmpfs_unmounted(ipc_callid_t, ipc_call_t *);81 extern void tmpfs_unmount(ipc_callid_t, ipc_call_t *);82 extern void tmpfs_lookup(ipc_callid_t, ipc_call_t *);83 extern void tmpfs_read(ipc_callid_t, ipc_call_t *);84 extern void tmpfs_write(ipc_callid_t, ipc_call_t *);85 extern void tmpfs_truncate(ipc_callid_t, ipc_call_t *);86 extern void tmpfs_stat(ipc_callid_t, ipc_call_t *);87 extern void tmpfs_close(ipc_callid_t, ipc_call_t *);88 extern void tmpfs_destroy(ipc_callid_t, ipc_call_t *);89 extern void tmpfs_open_node(ipc_callid_t, ipc_call_t *);90 extern void tmpfs_sync(ipc_callid_t, ipc_call_t *);91 92 76 extern bool tmpfs_restore(devmap_handle_t); 93 77 -
uspace/srv/fs/tmpfs/tmpfs_ops.c
r1bfae13 refc5e42 104 104 } 105 105 106 static char tmpfs_plb_get_char(unsigned pos)107 {108 return tmpfs_reg.plb_ro[pos % PLB_SIZE];109 }110 111 106 static bool tmpfs_is_directory(fs_node_t *fn) 112 107 { … … 139 134 .size_get = tmpfs_size_get, 140 135 .lnkcnt_get = tmpfs_lnkcnt_get, 141 .plb_get_char = tmpfs_plb_get_char,142 136 .is_directory = tmpfs_is_directory, 143 137 .is_file = tmpfs_is_file, … … 433 427 } 434 428 435 void tmpfs_mounted(ipc_callid_t rid, ipc_call_t *request) 436 { 437 devmap_handle_t devmap_handle = (devmap_handle_t) IPC_GET_ARG1(*request); 429 /* 430 * Implementation of the VFS_OUT interface. 431 */ 432 433 static int 434 tmpfs_mounted(devmap_handle_t devmap_handle, const char *opts, 435 fs_index_t *index, aoff64_t *size, unsigned *lnkcnt) 436 { 438 437 fs_node_t *rootfn; 439 438 int rc; 440 439 441 /* Accept the mount options. */442 char *opts;443 rc = async_data_write_accept((void **) &opts, true, 0, 0, 0, NULL);444 if (rc != EOK) {445 async_answer_0(rid, rc);446 return;447 }448 449 440 /* Check if this device is not already mounted. */ 450 441 rc = tmpfs_root_get(&rootfn, devmap_handle); 451 442 if ((rc == EOK) && (rootfn)) { 452 443 (void) tmpfs_node_put(rootfn); 453 free(opts); 454 async_answer_0(rid, EEXIST); 455 return; 444 return EEXIST; 456 445 } 457 446 458 447 /* Initialize TMPFS instance. */ 459 if (!tmpfs_instance_init(devmap_handle)) { 460 free(opts); 461 async_answer_0(rid, ENOMEM); 462 return; 463 } 448 if (!tmpfs_instance_init(devmap_handle)) 449 return ENOMEM; 464 450 465 451 rc = tmpfs_root_get(&rootfn, devmap_handle); … … 467 453 tmpfs_node_t *rootp = TMPFS_NODE(rootfn); 468 454 if (str_cmp(opts, "restore") == 0) { 469 if (tmpfs_restore(devmap_handle)) 470 async_answer_3(rid, EOK, rootp->index, rootp->size, 471 rootp->lnkcnt); 472 else 473 async_answer_0(rid, ELIMIT); 474 } else { 475 async_answer_3(rid, EOK, rootp->index, rootp->size, 476 rootp->lnkcnt); 477 } 478 free(opts); 479 } 480 481 void tmpfs_mount(ipc_callid_t rid, ipc_call_t *request) 482 { 483 libfs_mount(&tmpfs_libfs_ops, tmpfs_reg.fs_handle, rid, request); 484 } 485 486 void tmpfs_unmounted(ipc_callid_t rid, ipc_call_t *request) 487 { 488 devmap_handle_t devmap_handle = (devmap_handle_t) IPC_GET_ARG1(*request); 489 455 if (!tmpfs_restore(devmap_handle)) 456 return ELIMIT; 457 } 458 459 *index = rootp->index; 460 *size = rootp->size; 461 *lnkcnt = rootp->lnkcnt; 462 463 return EOK; 464 } 465 466 static int tmpfs_unmounted(devmap_handle_t devmap_handle) 467 { 490 468 tmpfs_instance_done(devmap_handle); 491 async_answer_0(rid, EOK); 492 } 493 494 void tmpfs_unmount(ipc_callid_t rid, ipc_call_t *request) 495 { 496 libfs_unmount(&tmpfs_libfs_ops, rid, request); 497 } 498 499 void tmpfs_lookup(ipc_callid_t rid, ipc_call_t *request) 500 { 501 libfs_lookup(&tmpfs_libfs_ops, tmpfs_reg.fs_handle, rid, request); 502 } 503 504 void tmpfs_read(ipc_callid_t rid, ipc_call_t *request) 505 { 506 devmap_handle_t devmap_handle = (devmap_handle_t) IPC_GET_ARG1(*request); 507 fs_index_t index = (fs_index_t) IPC_GET_ARG2(*request); 508 aoff64_t pos = 509 (aoff64_t) MERGE_LOUP32(IPC_GET_ARG3(*request), IPC_GET_ARG4(*request)); 510 469 return EOK; 470 } 471 472 static int tmpfs_read(devmap_handle_t devmap_handle, fs_index_t index, aoff64_t pos, 473 size_t *rbytes) 474 { 511 475 /* 512 476 * Lookup the respective TMPFS node. … … 518 482 }; 519 483 hlp = hash_table_find(&nodes, key); 520 if (!hlp) { 521 async_answer_0(rid, ENOENT); 522 return; 523 } 484 if (!hlp) 485 return ENOENT; 524 486 tmpfs_node_t *nodep = hash_table_get_instance(hlp, tmpfs_node_t, 525 487 nh_link); … … 532 494 if (!async_data_read_receive(&callid, &size)) { 533 495 async_answer_0(callid, EINVAL); 534 async_answer_0(rid, EINVAL); 535 return; 496 return EINVAL; 536 497 } 537 498 … … 556 517 if (lnk == NULL) { 557 518 async_answer_0(callid, ENOENT); 558 async_answer_1(rid, ENOENT, 0); 559 return; 519 return ENOENT; 560 520 } 561 521 … … 567 527 } 568 528 569 /* 570 * Answer the VFS_READ call. 571 */ 572 async_answer_1(rid, EOK, bytes); 573 } 574 575 void tmpfs_write(ipc_callid_t rid, ipc_call_t *request) 576 { 577 devmap_handle_t devmap_handle = (devmap_handle_t) IPC_GET_ARG1(*request); 578 fs_index_t index = (fs_index_t) IPC_GET_ARG2(*request); 579 aoff64_t pos = 580 (aoff64_t) MERGE_LOUP32(IPC_GET_ARG3(*request), IPC_GET_ARG4(*request)); 581 529 *rbytes = bytes; 530 return EOK; 531 } 532 533 static int 534 tmpfs_write(devmap_handle_t devmap_handle, fs_index_t index, aoff64_t pos, 535 size_t *wbytes, aoff64_t *nsize) 536 { 582 537 /* 583 538 * Lookup the respective TMPFS node. … … 589 544 }; 590 545 hlp = hash_table_find(&nodes, key); 591 if (!hlp) { 592 async_answer_0(rid, ENOENT); 593 return; 594 } 546 if (!hlp) 547 return ENOENT; 595 548 tmpfs_node_t *nodep = hash_table_get_instance(hlp, tmpfs_node_t, 596 549 nh_link); … … 603 556 if (!async_data_write_receive(&callid, &size)) { 604 557 async_answer_0(callid, EINVAL); 605 async_answer_0(rid, EINVAL); 606 return; 558 return EINVAL; 607 559 } 608 560 … … 612 564 if (pos + size <= nodep->size) { 613 565 /* The file size is not changing. */ 614 (void) async_data_write_finalize(callid, nodep->data + pos, size);615 async_answer_2(rid, EOK, size, nodep->size);616 return;566 (void) async_data_write_finalize(callid, nodep->data + pos, 567 size); 568 goto out; 617 569 } 618 570 size_t delta = (pos + size) - nodep->size; … … 627 579 if (!newdata) { 628 580 async_answer_0(callid, ENOMEM); 629 async_answer_2(rid, EOK, 0, nodep->size);630 return;581 size = 0; 582 goto out; 631 583 } 632 584 /* Clear any newly allocated memory in order to emulate gaps. */ … … 635 587 nodep->data = newdata; 636 588 (void) async_data_write_finalize(callid, nodep->data + pos, size); 637 async_answer_2(rid, EOK, size, nodep->size); 638 } 639 640 void tmpfs_truncate(ipc_callid_t rid, ipc_call_t *request) 641 { 642 devmap_handle_t devmap_handle = (devmap_handle_t) IPC_GET_ARG1(*request); 643 fs_index_t index = (fs_index_t) IPC_GET_ARG2(*request); 644 aoff64_t size = 645 (aoff64_t) MERGE_LOUP32(IPC_GET_ARG3(*request), IPC_GET_ARG4(*request)); 646 589 590 out: 591 *wbytes = size; 592 *nsize = nodep->size; 593 return EOK; 594 } 595 596 static int tmpfs_truncate(devmap_handle_t devmap_handle, fs_index_t index, 597 aoff64_t size) 598 { 647 599 /* 648 600 * Lookup the respective TMPFS node. … … 653 605 }; 654 606 link_t *hlp = hash_table_find(&nodes, key); 655 if (!hlp) { 656 async_answer_0(rid, ENOENT); 657 return; 658 } 659 tmpfs_node_t *nodep = hash_table_get_instance(hlp, tmpfs_node_t, 660 nh_link); 661 662 if (size == nodep->size) { 663 async_answer_0(rid, EOK); 664 return; 665 } 666 667 if (size > SIZE_MAX) { 668 async_answer_0(rid, ENOMEM); 669 return; 670 } 607 if (!hlp) 608 return ENOENT; 609 tmpfs_node_t *nodep = hash_table_get_instance(hlp, tmpfs_node_t, nh_link); 610 611 if (size == nodep->size) 612 return EOK; 613 614 if (size > SIZE_MAX) 615 return ENOMEM; 671 616 672 617 void *newdata = realloc(nodep->data, size); 673 if (!newdata) { 674 async_answer_0(rid, ENOMEM); 675 return; 676 } 618 if (!newdata) 619 return ENOMEM; 677 620 678 621 if (size > nodep->size) { … … 683 626 nodep->size = size; 684 627 nodep->data = newdata; 685 async_answer_0(rid, EOK); 686 } 687 688 void tmpfs_close(ipc_callid_t rid, ipc_call_t *request) 689 { 690 async_answer_0(rid, EOK); 691 } 692 693 void tmpfs_destroy(ipc_callid_t rid, ipc_call_t *request) 694 { 695 devmap_handle_t devmap_handle = (devmap_handle_t)IPC_GET_ARG1(*request); 696 fs_index_t index = (fs_index_t)IPC_GET_ARG2(*request); 697 int rc; 698 628 return EOK; 629 } 630 631 static int tmpfs_close(devmap_handle_t devmap_handle, fs_index_t index) 632 { 633 return EOK; 634 } 635 636 static int tmpfs_destroy(devmap_handle_t devmap_handle, fs_index_t index) 637 { 699 638 link_t *hlp; 700 639 unsigned long key[] = { … … 703 642 }; 704 643 hlp = hash_table_find(&nodes, key); 705 if (!hlp) { 706 async_answer_0(rid, ENOENT); 707 return; 708 } 644 if (!hlp) 645 return ENOENT; 709 646 tmpfs_node_t *nodep = hash_table_get_instance(hlp, tmpfs_node_t, 710 647 nh_link); 711 rc = tmpfs_destroy_node(FS_NODE(nodep)); 712 async_answer_0(rid, rc); 713 } 714 715 void tmpfs_open_node(ipc_callid_t rid, ipc_call_t *request) 716 { 717 libfs_open_node(&tmpfs_libfs_ops, tmpfs_reg.fs_handle, rid, request); 718 } 719 720 void tmpfs_stat(ipc_callid_t rid, ipc_call_t *request) 721 { 722 libfs_stat(&tmpfs_libfs_ops, tmpfs_reg.fs_handle, rid, request); 723 } 724 725 void tmpfs_sync(ipc_callid_t rid, ipc_call_t *request) 648 return tmpfs_destroy_node(FS_NODE(nodep)); 649 } 650 651 static int tmpfs_sync(devmap_handle_t devmap_handle, fs_index_t index) 726 652 { 727 653 /* … … 729 655 * thus the sync operation is a no-op. 730 656 */ 731 async_answer_0(rid, EOK); 732 } 657 return EOK; 658 } 659 660 vfs_out_ops_t tmpfs_ops = { 661 .mounted = tmpfs_mounted, 662 .unmounted = tmpfs_unmounted, 663 .read = tmpfs_read, 664 .write = tmpfs_write, 665 .truncate = tmpfs_truncate, 666 .close = tmpfs_close, 667 .destroy = tmpfs_destroy, 668 .sync = tmpfs_sync, 669 }; 733 670 734 671 /** 735 672 * @} 736 673 */ 674
Note:
See TracChangeset
for help on using the changeset viewer.