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1#!/usr/bin/python
2# The TCM v4 multi-protocol fabric module generation script for drivers/target/$NEW_MOD
3#
4# Copyright (c) 2010 Rising Tide Systems
5# Copyright (c) 2010 Linux-iSCSI.org
6#
7# Author: nab@kernel.org
8#
9import os, sys
10import subprocess as sub
11import string
12import re
13import optparse
14
15tcm_dir = ""
16
17fabric_ops = []
18fabric_mod_dir = ""
19fabric_mod_port = ""
20fabric_mod_init_port = ""
21
22def tcm_mod_err(msg):
23 print msg
24 sys.exit(1)
25
26def tcm_mod_create_module_subdir(fabric_mod_dir_var):
27
28 if os.path.isdir(fabric_mod_dir_var) == True:
29 return 1
30
31 print "Creating fabric_mod_dir: " + fabric_mod_dir_var
32 ret = os.mkdir(fabric_mod_dir_var)
33 if ret:
34 tcm_mod_err("Unable to mkdir " + fabric_mod_dir_var)
35
36 return
37
38def tcm_mod_build_FC_include(fabric_mod_dir_var, fabric_mod_name):
39 global fabric_mod_port
40 global fabric_mod_init_port
41 buf = ""
42
43 f = fabric_mod_dir_var + "/" + fabric_mod_name + "_base.h"
44 print "Writing file: " + f
45
46 p = open(f, 'w');
47 if not p:
48 tcm_mod_err("Unable to open file: " + f)
49
50 buf = "#define " + fabric_mod_name.upper() + "_VERSION \"v0.1\"\n"
51 buf += "#define " + fabric_mod_name.upper() + "_NAMELEN 32\n"
52 buf += "\n"
53 buf += "struct " + fabric_mod_name + "_tpg {\n"
54 buf += " /* FC lport target portal group tag for TCM */\n"
55 buf += " u16 lport_tpgt;\n"
56 buf += " /* Pointer back to " + fabric_mod_name + "_lport */\n"
57 buf += " struct " + fabric_mod_name + "_lport *lport;\n"
58 buf += " /* Returned by " + fabric_mod_name + "_make_tpg() */\n"
59 buf += " struct se_portal_group se_tpg;\n"
60 buf += "};\n"
61 buf += "\n"
62 buf += "struct " + fabric_mod_name + "_lport {\n"
63 buf += " /* Binary World Wide unique Port Name for FC Target Lport */\n"
64 buf += " u64 lport_wwpn;\n"
65 buf += " /* ASCII formatted WWPN for FC Target Lport */\n"
66 buf += " char lport_name[" + fabric_mod_name.upper() + "_NAMELEN];\n"
67 buf += " /* Returned by " + fabric_mod_name + "_make_lport() */\n"
68 buf += " struct se_wwn lport_wwn;\n"
69 buf += "};\n"
70
71 ret = p.write(buf)
72 if ret:
73 tcm_mod_err("Unable to write f: " + f)
74
75 p.close()
76
77 fabric_mod_port = "lport"
78 fabric_mod_init_port = "nport"
79
80 return
81
82def tcm_mod_build_SAS_include(fabric_mod_dir_var, fabric_mod_name):
83 global fabric_mod_port
84 global fabric_mod_init_port
85 buf = ""
86
87 f = fabric_mod_dir_var + "/" + fabric_mod_name + "_base.h"
88 print "Writing file: " + f
89
90 p = open(f, 'w');
91 if not p:
92 tcm_mod_err("Unable to open file: " + f)
93
94 buf = "#define " + fabric_mod_name.upper() + "_VERSION \"v0.1\"\n"
95 buf += "#define " + fabric_mod_name.upper() + "_NAMELEN 32\n"
96 buf += "\n"
97 buf += "struct " + fabric_mod_name + "_tpg {\n"
98 buf += " /* SAS port target portal group tag for TCM */\n"
99 buf += " u16 tport_tpgt;\n"
100 buf += " /* Pointer back to " + fabric_mod_name + "_tport */\n"
101 buf += " struct " + fabric_mod_name + "_tport *tport;\n"
102 buf += " /* Returned by " + fabric_mod_name + "_make_tpg() */\n"
103 buf += " struct se_portal_group se_tpg;\n"
104 buf += "};\n\n"
105 buf += "struct " + fabric_mod_name + "_tport {\n"
106 buf += " /* Binary World Wide unique Port Name for SAS Target port */\n"
107 buf += " u64 tport_wwpn;\n"
108 buf += " /* ASCII formatted WWPN for SAS Target port */\n"
109 buf += " char tport_name[" + fabric_mod_name.upper() + "_NAMELEN];\n"
110 buf += " /* Returned by " + fabric_mod_name + "_make_tport() */\n"
111 buf += " struct se_wwn tport_wwn;\n"
112 buf += "};\n"
113
114 ret = p.write(buf)
115 if ret:
116 tcm_mod_err("Unable to write f: " + f)
117
118 p.close()
119
120 fabric_mod_port = "tport"
121 fabric_mod_init_port = "iport"
122
123 return
124
125def tcm_mod_build_iSCSI_include(fabric_mod_dir_var, fabric_mod_name):
126 global fabric_mod_port
127 global fabric_mod_init_port
128 buf = ""
129
130 f = fabric_mod_dir_var + "/" + fabric_mod_name + "_base.h"
131 print "Writing file: " + f
132
133 p = open(f, 'w');
134 if not p:
135 tcm_mod_err("Unable to open file: " + f)
136
137 buf = "#define " + fabric_mod_name.upper() + "_VERSION \"v0.1\"\n"
138 buf += "#define " + fabric_mod_name.upper() + "_NAMELEN 32\n"
139 buf += "\n"
140 buf += "struct " + fabric_mod_name + "_tpg {\n"
141 buf += " /* iSCSI target portal group tag for TCM */\n"
142 buf += " u16 tport_tpgt;\n"
143 buf += " /* Pointer back to " + fabric_mod_name + "_tport */\n"
144 buf += " struct " + fabric_mod_name + "_tport *tport;\n"
145 buf += " /* Returned by " + fabric_mod_name + "_make_tpg() */\n"
146 buf += " struct se_portal_group se_tpg;\n"
147 buf += "};\n\n"
148 buf += "struct " + fabric_mod_name + "_tport {\n"
149 buf += " /* ASCII formatted TargetName for IQN */\n"
150 buf += " char tport_name[" + fabric_mod_name.upper() + "_NAMELEN];\n"
151 buf += " /* Returned by " + fabric_mod_name + "_make_tport() */\n"
152 buf += " struct se_wwn tport_wwn;\n"
153 buf += "};\n"
154
155 ret = p.write(buf)
156 if ret:
157 tcm_mod_err("Unable to write f: " + f)
158
159 p.close()
160
161 fabric_mod_port = "tport"
162 fabric_mod_init_port = "iport"
163
164 return
165
166def tcm_mod_build_base_includes(proto_ident, fabric_mod_dir_val, fabric_mod_name):
167
168 if proto_ident == "FC":
169 tcm_mod_build_FC_include(fabric_mod_dir_val, fabric_mod_name)
170 elif proto_ident == "SAS":
171 tcm_mod_build_SAS_include(fabric_mod_dir_val, fabric_mod_name)
172 elif proto_ident == "iSCSI":
173 tcm_mod_build_iSCSI_include(fabric_mod_dir_val, fabric_mod_name)
174 else:
175 print "Unsupported proto_ident: " + proto_ident
176 sys.exit(1)
177
178 return
179
180def tcm_mod_build_configfs(proto_ident, fabric_mod_dir_var, fabric_mod_name):
181 buf = ""
182
183 f = fabric_mod_dir_var + "/" + fabric_mod_name + "_configfs.c"
184 print "Writing file: " + f
185
186 p = open(f, 'w');
187 if not p:
188 tcm_mod_err("Unable to open file: " + f)
189
190 buf = "#include <linux/module.h>\n"
191 buf += "#include <linux/moduleparam.h>\n"
192 buf += "#include <linux/version.h>\n"
193 buf += "#include <generated/utsrelease.h>\n"
194 buf += "#include <linux/utsname.h>\n"
195 buf += "#include <linux/init.h>\n"
196 buf += "#include <linux/slab.h>\n"
197 buf += "#include <linux/kthread.h>\n"
198 buf += "#include <linux/types.h>\n"
199 buf += "#include <linux/string.h>\n"
200 buf += "#include <linux/configfs.h>\n"
201 buf += "#include <linux/ctype.h>\n"
202 buf += "#include <asm/unaligned.h>\n"
203 buf += "#include <scsi/scsi_proto.h>\n\n"
204 buf += "#include <target/target_core_base.h>\n"
205 buf += "#include <target/target_core_fabric.h>\n"
206 buf += "#include \"" + fabric_mod_name + "_base.h\"\n"
207 buf += "#include \"" + fabric_mod_name + "_fabric.h\"\n\n"
208
209 buf += "static const struct target_core_fabric_ops " + fabric_mod_name + "_ops;\n\n"
210
211 buf += "static struct se_portal_group *" + fabric_mod_name + "_make_tpg(\n"
212 buf += " struct se_wwn *wwn,\n"
213 buf += " struct config_group *group,\n"
214 buf += " const char *name)\n"
215 buf += "{\n"
216 buf += " struct " + fabric_mod_name + "_" + fabric_mod_port + "*" + fabric_mod_port + " = container_of(wwn,\n"
217 buf += " struct " + fabric_mod_name + "_" + fabric_mod_port + ", " + fabric_mod_port + "_wwn);\n\n"
218 buf += " struct " + fabric_mod_name + "_tpg *tpg;\n"
219 buf += " unsigned long tpgt;\n"
220 buf += " int ret;\n\n"
221 buf += " if (strstr(name, \"tpgt_\") != name)\n"
222 buf += " return ERR_PTR(-EINVAL);\n"
223 buf += " if (kstrtoul(name + 5, 10, &tpgt) || tpgt > UINT_MAX)\n"
224 buf += " return ERR_PTR(-EINVAL);\n\n"
225 buf += " tpg = kzalloc(sizeof(struct " + fabric_mod_name + "_tpg), GFP_KERNEL);\n"
226 buf += " if (!tpg) {\n"
227 buf += " printk(KERN_ERR \"Unable to allocate struct " + fabric_mod_name + "_tpg\");\n"
228 buf += " return ERR_PTR(-ENOMEM);\n"
229 buf += " }\n"
230 buf += " tpg->" + fabric_mod_port + " = " + fabric_mod_port + ";\n"
231 buf += " tpg->" + fabric_mod_port + "_tpgt = tpgt;\n\n"
232
233 if proto_ident == "FC":
234 buf += " ret = core_tpg_register(wwn, &tpg->se_tpg, SCSI_PROTOCOL_FCP);\n"
235 elif proto_ident == "SAS":
236 buf += " ret = core_tpg_register(wwn, &tpg->se_tpg, SCSI_PROTOCOL_SAS);\n"
237 elif proto_ident == "iSCSI":
238 buf += " ret = core_tpg_register(wwn, &tpg->se_tpg, SCSI_PROTOCOL_ISCSI);\n"
239
240 buf += " if (ret < 0) {\n"
241 buf += " kfree(tpg);\n"
242 buf += " return NULL;\n"
243 buf += " }\n"
244 buf += " return &tpg->se_tpg;\n"
245 buf += "}\n\n"
246 buf += "static void " + fabric_mod_name + "_drop_tpg(struct se_portal_group *se_tpg)\n"
247 buf += "{\n"
248 buf += " struct " + fabric_mod_name + "_tpg *tpg = container_of(se_tpg,\n"
249 buf += " struct " + fabric_mod_name + "_tpg, se_tpg);\n\n"
250 buf += " core_tpg_deregister(se_tpg);\n"
251 buf += " kfree(tpg);\n"
252 buf += "}\n\n"
253
254 buf += "static struct se_wwn *" + fabric_mod_name + "_make_" + fabric_mod_port + "(\n"
255 buf += " struct target_fabric_configfs *tf,\n"
256 buf += " struct config_group *group,\n"
257 buf += " const char *name)\n"
258 buf += "{\n"
259 buf += " struct " + fabric_mod_name + "_" + fabric_mod_port + " *" + fabric_mod_port + ";\n"
260
261 if proto_ident == "FC" or proto_ident == "SAS":
262 buf += " u64 wwpn = 0;\n\n"
263
264 buf += " /* if (" + fabric_mod_name + "_parse_wwn(name, &wwpn, 1) < 0)\n"
265 buf += " return ERR_PTR(-EINVAL); */\n\n"
266 buf += " " + fabric_mod_port + " = kzalloc(sizeof(struct " + fabric_mod_name + "_" + fabric_mod_port + "), GFP_KERNEL);\n"
267 buf += " if (!" + fabric_mod_port + ") {\n"
268 buf += " printk(KERN_ERR \"Unable to allocate struct " + fabric_mod_name + "_" + fabric_mod_port + "\");\n"
269 buf += " return ERR_PTR(-ENOMEM);\n"
270 buf += " }\n"
271
272 if proto_ident == "FC" or proto_ident == "SAS":
273 buf += " " + fabric_mod_port + "->" + fabric_mod_port + "_wwpn = wwpn;\n"
274
275 buf += " /* " + fabric_mod_name + "_format_wwn(&" + fabric_mod_port + "->" + fabric_mod_port + "_name[0], " + fabric_mod_name.upper() + "_NAMELEN, wwpn); */\n\n"
276 buf += " return &" + fabric_mod_port + "->" + fabric_mod_port + "_wwn;\n"
277 buf += "}\n\n"
278 buf += "static void " + fabric_mod_name + "_drop_" + fabric_mod_port + "(struct se_wwn *wwn)\n"
279 buf += "{\n"
280 buf += " struct " + fabric_mod_name + "_" + fabric_mod_port + " *" + fabric_mod_port + " = container_of(wwn,\n"
281 buf += " struct " + fabric_mod_name + "_" + fabric_mod_port + ", " + fabric_mod_port + "_wwn);\n"
282 buf += " kfree(" + fabric_mod_port + ");\n"
283 buf += "}\n\n"
284
285 buf += "static const struct target_core_fabric_ops " + fabric_mod_name + "_ops = {\n"
286 buf += " .module = THIS_MODULE,\n"
287 buf += " .name = \"" + fabric_mod_name + "\",\n"
288 buf += " .get_fabric_name = " + fabric_mod_name + "_get_fabric_name,\n"
289 buf += " .tpg_get_wwn = " + fabric_mod_name + "_get_fabric_wwn,\n"
290 buf += " .tpg_get_tag = " + fabric_mod_name + "_get_tag,\n"
291 buf += " .tpg_check_demo_mode = " + fabric_mod_name + "_check_false,\n"
292 buf += " .tpg_check_demo_mode_cache = " + fabric_mod_name + "_check_true,\n"
293 buf += " .tpg_check_demo_mode_write_protect = " + fabric_mod_name + "_check_true,\n"
294 buf += " .tpg_check_prod_mode_write_protect = " + fabric_mod_name + "_check_false,\n"
295 buf += " .tpg_get_inst_index = " + fabric_mod_name + "_tpg_get_inst_index,\n"
296 buf += " .release_cmd = " + fabric_mod_name + "_release_cmd,\n"
297 buf += " .sess_get_index = " + fabric_mod_name + "_sess_get_index,\n"
298 buf += " .sess_get_initiator_sid = NULL,\n"
299 buf += " .write_pending = " + fabric_mod_name + "_write_pending,\n"
300 buf += " .write_pending_status = " + fabric_mod_name + "_write_pending_status,\n"
301 buf += " .set_default_node_attributes = " + fabric_mod_name + "_set_default_node_attrs,\n"
302 buf += " .get_cmd_state = " + fabric_mod_name + "_get_cmd_state,\n"
303 buf += " .queue_data_in = " + fabric_mod_name + "_queue_data_in,\n"
304 buf += " .queue_status = " + fabric_mod_name + "_queue_status,\n"
305 buf += " .queue_tm_rsp = " + fabric_mod_name + "_queue_tm_rsp,\n"
306 buf += " .aborted_task = " + fabric_mod_name + "_aborted_task,\n"
307 buf += " /*\n"
308 buf += " * Setup function pointers for generic logic in target_core_fabric_configfs.c\n"
309 buf += " */\n"
310 buf += " .fabric_make_wwn = " + fabric_mod_name + "_make_" + fabric_mod_port + ",\n"
311 buf += " .fabric_drop_wwn = " + fabric_mod_name + "_drop_" + fabric_mod_port + ",\n"
312 buf += " .fabric_make_tpg = " + fabric_mod_name + "_make_tpg,\n"
313 buf += " .fabric_drop_tpg = " + fabric_mod_name + "_drop_tpg,\n"
314 buf += "};\n\n"
315
316 buf += "static int __init " + fabric_mod_name + "_init(void)\n"
317 buf += "{\n"
318 buf += " return target_register_template(&" + fabric_mod_name + "_ops);\n"
319 buf += "};\n\n"
320
321 buf += "static void __exit " + fabric_mod_name + "_exit(void)\n"
322 buf += "{\n"
323 buf += " target_unregister_template(&" + fabric_mod_name + "_ops);\n"
324 buf += "};\n\n"
325
326 buf += "MODULE_DESCRIPTION(\"" + fabric_mod_name.upper() + " series fabric driver\");\n"
327 buf += "MODULE_LICENSE(\"GPL\");\n"
328 buf += "module_init(" + fabric_mod_name + "_init);\n"
329 buf += "module_exit(" + fabric_mod_name + "_exit);\n"
330
331 ret = p.write(buf)
332 if ret:
333 tcm_mod_err("Unable to write f: " + f)
334
335 p.close()
336
337 return
338
339def tcm_mod_scan_fabric_ops(tcm_dir):
340
341 fabric_ops_api = tcm_dir + "include/target/target_core_fabric.h"
342
343 print "Using tcm_mod_scan_fabric_ops: " + fabric_ops_api
344 process_fo = 0;
345
346 p = open(fabric_ops_api, 'r')
347
348 line = p.readline()
349 while line:
350 if process_fo == 0 and re.search('struct target_core_fabric_ops {', line):
351 line = p.readline()
352 continue
353
354 if process_fo == 0:
355 process_fo = 1;
356 line = p.readline()
357 # Search for function pointer
358 if not re.search('\(\*', line):
359 continue
360
361 fabric_ops.append(line.rstrip())
362 continue
363
364 line = p.readline()
365 # Search for function pointer
366 if not re.search('\(\*', line):
367 continue
368
369 fabric_ops.append(line.rstrip())
370
371 p.close()
372 return
373
374def tcm_mod_dump_fabric_ops(proto_ident, fabric_mod_dir_var, fabric_mod_name):
375 buf = ""
376 bufi = ""
377
378 f = fabric_mod_dir_var + "/" + fabric_mod_name + "_fabric.c"
379 print "Writing file: " + f
380
381 p = open(f, 'w')
382 if not p:
383 tcm_mod_err("Unable to open file: " + f)
384
385 fi = fabric_mod_dir_var + "/" + fabric_mod_name + "_fabric.h"
386 print "Writing file: " + fi
387
388 pi = open(fi, 'w')
389 if not pi:
390 tcm_mod_err("Unable to open file: " + fi)
391
392 buf = "#include <linux/slab.h>\n"
393 buf += "#include <linux/kthread.h>\n"
394 buf += "#include <linux/types.h>\n"
395 buf += "#include <linux/list.h>\n"
396 buf += "#include <linux/types.h>\n"
397 buf += "#include <linux/string.h>\n"
398 buf += "#include <linux/ctype.h>\n"
399 buf += "#include <asm/unaligned.h>\n"
400 buf += "#include <scsi/scsi_common.h>\n"
401 buf += "#include <scsi/scsi_proto.h>\n"
402 buf += "#include <target/target_core_base.h>\n"
403 buf += "#include <target/target_core_fabric.h>\n"
404 buf += "#include \"" + fabric_mod_name + "_base.h\"\n"
405 buf += "#include \"" + fabric_mod_name + "_fabric.h\"\n\n"
406
407 buf += "int " + fabric_mod_name + "_check_true(struct se_portal_group *se_tpg)\n"
408 buf += "{\n"
409 buf += " return 1;\n"
410 buf += "}\n\n"
411 bufi += "int " + fabric_mod_name + "_check_true(struct se_portal_group *);\n"
412
413 buf += "int " + fabric_mod_name + "_check_false(struct se_portal_group *se_tpg)\n"
414 buf += "{\n"
415 buf += " return 0;\n"
416 buf += "}\n\n"
417 bufi += "int " + fabric_mod_name + "_check_false(struct se_portal_group *);\n"
418
419 total_fabric_ops = len(fabric_ops)
420 i = 0
421
422 while i < total_fabric_ops:
423 fo = fabric_ops[i]
424 i += 1
425# print "fabric_ops: " + fo
426
427 if re.search('get_fabric_name', fo):
428 buf += "char *" + fabric_mod_name + "_get_fabric_name(void)\n"
429 buf += "{\n"
430 buf += " return \"" + fabric_mod_name + "\";\n"
431 buf += "}\n\n"
432 bufi += "char *" + fabric_mod_name + "_get_fabric_name(void);\n"
433 continue
434
435 if re.search('get_wwn', fo):
436 buf += "char *" + fabric_mod_name + "_get_fabric_wwn(struct se_portal_group *se_tpg)\n"
437 buf += "{\n"
438 buf += " struct " + fabric_mod_name + "_tpg *tpg = container_of(se_tpg,\n"
439 buf += " struct " + fabric_mod_name + "_tpg, se_tpg);\n"
440 buf += " struct " + fabric_mod_name + "_" + fabric_mod_port + " *" + fabric_mod_port + " = tpg->" + fabric_mod_port + ";\n\n"
441 buf += " return &" + fabric_mod_port + "->" + fabric_mod_port + "_name[0];\n"
442 buf += "}\n\n"
443 bufi += "char *" + fabric_mod_name + "_get_fabric_wwn(struct se_portal_group *);\n"
444
445 if re.search('get_tag', fo):
446 buf += "u16 " + fabric_mod_name + "_get_tag(struct se_portal_group *se_tpg)\n"
447 buf += "{\n"
448 buf += " struct " + fabric_mod_name + "_tpg *tpg = container_of(se_tpg,\n"
449 buf += " struct " + fabric_mod_name + "_tpg, se_tpg);\n"
450 buf += " return tpg->" + fabric_mod_port + "_tpgt;\n"
451 buf += "}\n\n"
452 bufi += "u16 " + fabric_mod_name + "_get_tag(struct se_portal_group *);\n"
453
454 if re.search('tpg_get_inst_index\)\(', fo):
455 buf += "u32 " + fabric_mod_name + "_tpg_get_inst_index(struct se_portal_group *se_tpg)\n"
456 buf += "{\n"
457 buf += " return 1;\n"
458 buf += "}\n\n"
459 bufi += "u32 " + fabric_mod_name + "_tpg_get_inst_index(struct se_portal_group *);\n"
460
461 if re.search('\*release_cmd\)\(', fo):
462 buf += "void " + fabric_mod_name + "_release_cmd(struct se_cmd *se_cmd)\n"
463 buf += "{\n"
464 buf += " return;\n"
465 buf += "}\n\n"
466 bufi += "void " + fabric_mod_name + "_release_cmd(struct se_cmd *);\n"
467
468 if re.search('sess_get_index\)\(', fo):
469 buf += "u32 " + fabric_mod_name + "_sess_get_index(struct se_session *se_sess)\n"
470 buf += "{\n"
471 buf += " return 0;\n"
472 buf += "}\n\n"
473 bufi += "u32 " + fabric_mod_name + "_sess_get_index(struct se_session *);\n"
474
475 if re.search('write_pending\)\(', fo):
476 buf += "int " + fabric_mod_name + "_write_pending(struct se_cmd *se_cmd)\n"
477 buf += "{\n"
478 buf += " return 0;\n"
479 buf += "}\n\n"
480 bufi += "int " + fabric_mod_name + "_write_pending(struct se_cmd *);\n"
481
482 if re.search('write_pending_status\)\(', fo):
483 buf += "int " + fabric_mod_name + "_write_pending_status(struct se_cmd *se_cmd)\n"
484 buf += "{\n"
485 buf += " return 0;\n"
486 buf += "}\n\n"
487 bufi += "int " + fabric_mod_name + "_write_pending_status(struct se_cmd *);\n"
488
489 if re.search('set_default_node_attributes\)\(', fo):
490 buf += "void " + fabric_mod_name + "_set_default_node_attrs(struct se_node_acl *nacl)\n"
491 buf += "{\n"
492 buf += " return;\n"
493 buf += "}\n\n"
494 bufi += "void " + fabric_mod_name + "_set_default_node_attrs(struct se_node_acl *);\n"
495
496 if re.search('get_cmd_state\)\(', fo):
497 buf += "int " + fabric_mod_name + "_get_cmd_state(struct se_cmd *se_cmd)\n"
498 buf += "{\n"
499 buf += " return 0;\n"
500 buf += "}\n\n"
501 bufi += "int " + fabric_mod_name + "_get_cmd_state(struct se_cmd *);\n"
502
503 if re.search('queue_data_in\)\(', fo):
504 buf += "int " + fabric_mod_name + "_queue_data_in(struct se_cmd *se_cmd)\n"
505 buf += "{\n"
506 buf += " return 0;\n"
507 buf += "}\n\n"
508 bufi += "int " + fabric_mod_name + "_queue_data_in(struct se_cmd *);\n"
509
510 if re.search('queue_status\)\(', fo):
511 buf += "int " + fabric_mod_name + "_queue_status(struct se_cmd *se_cmd)\n"
512 buf += "{\n"
513 buf += " return 0;\n"
514 buf += "}\n\n"
515 bufi += "int " + fabric_mod_name + "_queue_status(struct se_cmd *);\n"
516
517 if re.search('queue_tm_rsp\)\(', fo):
518 buf += "void " + fabric_mod_name + "_queue_tm_rsp(struct se_cmd *se_cmd)\n"
519 buf += "{\n"
520 buf += " return;\n"
521 buf += "}\n\n"
522 bufi += "void " + fabric_mod_name + "_queue_tm_rsp(struct se_cmd *);\n"
523
524 if re.search('aborted_task\)\(', fo):
525 buf += "void " + fabric_mod_name + "_aborted_task(struct se_cmd *se_cmd)\n"
526 buf += "{\n"
527 buf += " return;\n"
528 buf += "}\n\n"
529 bufi += "void " + fabric_mod_name + "_aborted_task(struct se_cmd *);\n"
530
531 ret = p.write(buf)
532 if ret:
533 tcm_mod_err("Unable to write f: " + f)
534
535 p.close()
536
537 ret = pi.write(bufi)
538 if ret:
539 tcm_mod_err("Unable to write fi: " + fi)
540
541 pi.close()
542 return
543
544def tcm_mod_build_kbuild(fabric_mod_dir_var, fabric_mod_name):
545
546 buf = ""
547 f = fabric_mod_dir_var + "/Makefile"
548 print "Writing file: " + f
549
550 p = open(f, 'w')
551 if not p:
552 tcm_mod_err("Unable to open file: " + f)
553
554 buf += fabric_mod_name + "-objs := " + fabric_mod_name + "_fabric.o \\\n"
555 buf += " " + fabric_mod_name + "_configfs.o\n"
556 buf += "obj-$(CONFIG_" + fabric_mod_name.upper() + ") += " + fabric_mod_name + ".o\n"
557
558 ret = p.write(buf)
559 if ret:
560 tcm_mod_err("Unable to write f: " + f)
561
562 p.close()
563 return
564
565def tcm_mod_build_kconfig(fabric_mod_dir_var, fabric_mod_name):
566
567 buf = ""
568 f = fabric_mod_dir_var + "/Kconfig"
569 print "Writing file: " + f
570
571 p = open(f, 'w')
572 if not p:
573 tcm_mod_err("Unable to open file: " + f)
574
575 buf = "config " + fabric_mod_name.upper() + "\n"
576 buf += " tristate \"" + fabric_mod_name.upper() + " fabric module\"\n"
577 buf += " depends on TARGET_CORE && CONFIGFS_FS\n"
578 buf += " default n\n"
579 buf += " ---help---\n"
580 buf += " Say Y here to enable the " + fabric_mod_name.upper() + " fabric module\n"
581
582 ret = p.write(buf)
583 if ret:
584 tcm_mod_err("Unable to write f: " + f)
585
586 p.close()
587 return
588
589def tcm_mod_add_kbuild(tcm_dir, fabric_mod_name):
590 buf = "obj-$(CONFIG_" + fabric_mod_name.upper() + ") += " + fabric_mod_name.lower() + "/\n"
591 kbuild = tcm_dir + "/drivers/target/Makefile"
592
593 f = open(kbuild, 'a')
594 f.write(buf)
595 f.close()
596 return
597
598def tcm_mod_add_kconfig(tcm_dir, fabric_mod_name):
599 buf = "source \"drivers/target/" + fabric_mod_name.lower() + "/Kconfig\"\n"
600 kconfig = tcm_dir + "/drivers/target/Kconfig"
601
602 f = open(kconfig, 'a')
603 f.write(buf)
604 f.close()
605 return
606
607def main(modname, proto_ident):
608# proto_ident = "FC"
609# proto_ident = "SAS"
610# proto_ident = "iSCSI"
611
612 tcm_dir = os.getcwd();
613 tcm_dir += "/../../"
614 print "tcm_dir: " + tcm_dir
615 fabric_mod_name = modname
616 fabric_mod_dir = tcm_dir + "drivers/target/" + fabric_mod_name
617 print "Set fabric_mod_name: " + fabric_mod_name
618 print "Set fabric_mod_dir: " + fabric_mod_dir
619 print "Using proto_ident: " + proto_ident
620
621 if proto_ident != "FC" and proto_ident != "SAS" and proto_ident != "iSCSI":
622 print "Unsupported proto_ident: " + proto_ident
623 sys.exit(1)
624
625 ret = tcm_mod_create_module_subdir(fabric_mod_dir)
626 if ret:
627 print "tcm_mod_create_module_subdir() failed because module already exists!"
628 sys.exit(1)
629
630 tcm_mod_build_base_includes(proto_ident, fabric_mod_dir, fabric_mod_name)
631 tcm_mod_scan_fabric_ops(tcm_dir)
632 tcm_mod_dump_fabric_ops(proto_ident, fabric_mod_dir, fabric_mod_name)
633 tcm_mod_build_configfs(proto_ident, fabric_mod_dir, fabric_mod_name)
634 tcm_mod_build_kbuild(fabric_mod_dir, fabric_mod_name)
635 tcm_mod_build_kconfig(fabric_mod_dir, fabric_mod_name)
636
637 input = raw_input("Would you like to add " + fabric_mod_name + " to drivers/target/Makefile..? [yes,no]: ")
638 if input == "yes" or input == "y":
639 tcm_mod_add_kbuild(tcm_dir, fabric_mod_name)
640
641 input = raw_input("Would you like to add " + fabric_mod_name + " to drivers/target/Kconfig..? [yes,no]: ")
642 if input == "yes" or input == "y":
643 tcm_mod_add_kconfig(tcm_dir, fabric_mod_name)
644
645 return
646
647parser = optparse.OptionParser()
648parser.add_option('-m', '--modulename', help='Module name', dest='modname',
649 action='store', nargs=1, type='string')
650parser.add_option('-p', '--protoident', help='Protocol Ident', dest='protoident',
651 action='store', nargs=1, type='string')
652
653(opts, args) = parser.parse_args()
654
655mandatories = ['modname', 'protoident']
656for m in mandatories:
657 if not opts.__dict__[m]:
658 print "mandatory option is missing\n"
659 parser.print_help()
660 exit(-1)
661
662if __name__ == "__main__":
663
664 main(str(opts.modname), opts.protoident)
1#!/usr/bin/python
2# The TCM v4 multi-protocol fabric module generation script for drivers/target/$NEW_MOD
3#
4# Copyright (c) 2010 Rising Tide Systems
5# Copyright (c) 2010 Linux-iSCSI.org
6#
7# Author: nab@kernel.org
8#
9import os, sys
10import subprocess as sub
11import string
12import re
13import optparse
14
15tcm_dir = ""
16
17fabric_ops = []
18fabric_mod_dir = ""
19fabric_mod_port = ""
20fabric_mod_init_port = ""
21
22def tcm_mod_err(msg):
23 print msg
24 sys.exit(1)
25
26def tcm_mod_create_module_subdir(fabric_mod_dir_var):
27
28 if os.path.isdir(fabric_mod_dir_var) == True:
29 return 1
30
31 print "Creating fabric_mod_dir: " + fabric_mod_dir_var
32 ret = os.mkdir(fabric_mod_dir_var)
33 if ret:
34 tcm_mod_err("Unable to mkdir " + fabric_mod_dir_var)
35
36 return
37
38def tcm_mod_build_FC_include(fabric_mod_dir_var, fabric_mod_name):
39 global fabric_mod_port
40 global fabric_mod_init_port
41 buf = ""
42
43 f = fabric_mod_dir_var + "/" + fabric_mod_name + "_base.h"
44 print "Writing file: " + f
45
46 p = open(f, 'w');
47 if not p:
48 tcm_mod_err("Unable to open file: " + f)
49
50 buf = "#define " + fabric_mod_name.upper() + "_VERSION \"v0.1\"\n"
51 buf += "#define " + fabric_mod_name.upper() + "_NAMELEN 32\n"
52 buf += "\n"
53 buf += "struct " + fabric_mod_name + "_nacl {\n"
54 buf += " /* Binary World Wide unique Port Name for FC Initiator Nport */\n"
55 buf += " u64 nport_wwpn;\n"
56 buf += " /* ASCII formatted WWPN for FC Initiator Nport */\n"
57 buf += " char nport_name[" + fabric_mod_name.upper() + "_NAMELEN];\n"
58 buf += " /* Returned by " + fabric_mod_name + "_make_nodeacl() */\n"
59 buf += " struct se_node_acl se_node_acl;\n"
60 buf += "};\n"
61 buf += "\n"
62 buf += "struct " + fabric_mod_name + "_tpg {\n"
63 buf += " /* FC lport target portal group tag for TCM */\n"
64 buf += " u16 lport_tpgt;\n"
65 buf += " /* Pointer back to " + fabric_mod_name + "_lport */\n"
66 buf += " struct " + fabric_mod_name + "_lport *lport;\n"
67 buf += " /* Returned by " + fabric_mod_name + "_make_tpg() */\n"
68 buf += " struct se_portal_group se_tpg;\n"
69 buf += "};\n"
70 buf += "\n"
71 buf += "struct " + fabric_mod_name + "_lport {\n"
72 buf += " /* SCSI protocol the lport is providing */\n"
73 buf += " u8 lport_proto_id;\n"
74 buf += " /* Binary World Wide unique Port Name for FC Target Lport */\n"
75 buf += " u64 lport_wwpn;\n"
76 buf += " /* ASCII formatted WWPN for FC Target Lport */\n"
77 buf += " char lport_name[" + fabric_mod_name.upper() + "_NAMELEN];\n"
78 buf += " /* Returned by " + fabric_mod_name + "_make_lport() */\n"
79 buf += " struct se_wwn lport_wwn;\n"
80 buf += "};\n"
81
82 ret = p.write(buf)
83 if ret:
84 tcm_mod_err("Unable to write f: " + f)
85
86 p.close()
87
88 fabric_mod_port = "lport"
89 fabric_mod_init_port = "nport"
90
91 return
92
93def tcm_mod_build_SAS_include(fabric_mod_dir_var, fabric_mod_name):
94 global fabric_mod_port
95 global fabric_mod_init_port
96 buf = ""
97
98 f = fabric_mod_dir_var + "/" + fabric_mod_name + "_base.h"
99 print "Writing file: " + f
100
101 p = open(f, 'w');
102 if not p:
103 tcm_mod_err("Unable to open file: " + f)
104
105 buf = "#define " + fabric_mod_name.upper() + "_VERSION \"v0.1\"\n"
106 buf += "#define " + fabric_mod_name.upper() + "_NAMELEN 32\n"
107 buf += "\n"
108 buf += "struct " + fabric_mod_name + "_nacl {\n"
109 buf += " /* Binary World Wide unique Port Name for SAS Initiator port */\n"
110 buf += " u64 iport_wwpn;\n"
111 buf += " /* ASCII formatted WWPN for Sas Initiator port */\n"
112 buf += " char iport_name[" + fabric_mod_name.upper() + "_NAMELEN];\n"
113 buf += " /* Returned by " + fabric_mod_name + "_make_nodeacl() */\n"
114 buf += " struct se_node_acl se_node_acl;\n"
115 buf += "};\n\n"
116 buf += "struct " + fabric_mod_name + "_tpg {\n"
117 buf += " /* SAS port target portal group tag for TCM */\n"
118 buf += " u16 tport_tpgt;\n"
119 buf += " /* Pointer back to " + fabric_mod_name + "_tport */\n"
120 buf += " struct " + fabric_mod_name + "_tport *tport;\n"
121 buf += " /* Returned by " + fabric_mod_name + "_make_tpg() */\n"
122 buf += " struct se_portal_group se_tpg;\n"
123 buf += "};\n\n"
124 buf += "struct " + fabric_mod_name + "_tport {\n"
125 buf += " /* SCSI protocol the tport is providing */\n"
126 buf += " u8 tport_proto_id;\n"
127 buf += " /* Binary World Wide unique Port Name for SAS Target port */\n"
128 buf += " u64 tport_wwpn;\n"
129 buf += " /* ASCII formatted WWPN for SAS Target port */\n"
130 buf += " char tport_name[" + fabric_mod_name.upper() + "_NAMELEN];\n"
131 buf += " /* Returned by " + fabric_mod_name + "_make_tport() */\n"
132 buf += " struct se_wwn tport_wwn;\n"
133 buf += "};\n"
134
135 ret = p.write(buf)
136 if ret:
137 tcm_mod_err("Unable to write f: " + f)
138
139 p.close()
140
141 fabric_mod_port = "tport"
142 fabric_mod_init_port = "iport"
143
144 return
145
146def tcm_mod_build_iSCSI_include(fabric_mod_dir_var, fabric_mod_name):
147 global fabric_mod_port
148 global fabric_mod_init_port
149 buf = ""
150
151 f = fabric_mod_dir_var + "/" + fabric_mod_name + "_base.h"
152 print "Writing file: " + f
153
154 p = open(f, 'w');
155 if not p:
156 tcm_mod_err("Unable to open file: " + f)
157
158 buf = "#define " + fabric_mod_name.upper() + "_VERSION \"v0.1\"\n"
159 buf += "#define " + fabric_mod_name.upper() + "_NAMELEN 32\n"
160 buf += "\n"
161 buf += "struct " + fabric_mod_name + "_nacl {\n"
162 buf += " /* ASCII formatted InitiatorName */\n"
163 buf += " char iport_name[" + fabric_mod_name.upper() + "_NAMELEN];\n"
164 buf += " /* Returned by " + fabric_mod_name + "_make_nodeacl() */\n"
165 buf += " struct se_node_acl se_node_acl;\n"
166 buf += "};\n\n"
167 buf += "struct " + fabric_mod_name + "_tpg {\n"
168 buf += " /* iSCSI target portal group tag for TCM */\n"
169 buf += " u16 tport_tpgt;\n"
170 buf += " /* Pointer back to " + fabric_mod_name + "_tport */\n"
171 buf += " struct " + fabric_mod_name + "_tport *tport;\n"
172 buf += " /* Returned by " + fabric_mod_name + "_make_tpg() */\n"
173 buf += " struct se_portal_group se_tpg;\n"
174 buf += "};\n\n"
175 buf += "struct " + fabric_mod_name + "_tport {\n"
176 buf += " /* SCSI protocol the tport is providing */\n"
177 buf += " u8 tport_proto_id;\n"
178 buf += " /* ASCII formatted TargetName for IQN */\n"
179 buf += " char tport_name[" + fabric_mod_name.upper() + "_NAMELEN];\n"
180 buf += " /* Returned by " + fabric_mod_name + "_make_tport() */\n"
181 buf += " struct se_wwn tport_wwn;\n"
182 buf += "};\n"
183
184 ret = p.write(buf)
185 if ret:
186 tcm_mod_err("Unable to write f: " + f)
187
188 p.close()
189
190 fabric_mod_port = "tport"
191 fabric_mod_init_port = "iport"
192
193 return
194
195def tcm_mod_build_base_includes(proto_ident, fabric_mod_dir_val, fabric_mod_name):
196
197 if proto_ident == "FC":
198 tcm_mod_build_FC_include(fabric_mod_dir_val, fabric_mod_name)
199 elif proto_ident == "SAS":
200 tcm_mod_build_SAS_include(fabric_mod_dir_val, fabric_mod_name)
201 elif proto_ident == "iSCSI":
202 tcm_mod_build_iSCSI_include(fabric_mod_dir_val, fabric_mod_name)
203 else:
204 print "Unsupported proto_ident: " + proto_ident
205 sys.exit(1)
206
207 return
208
209def tcm_mod_build_configfs(proto_ident, fabric_mod_dir_var, fabric_mod_name):
210 buf = ""
211
212 f = fabric_mod_dir_var + "/" + fabric_mod_name + "_configfs.c"
213 print "Writing file: " + f
214
215 p = open(f, 'w');
216 if not p:
217 tcm_mod_err("Unable to open file: " + f)
218
219 buf = "#include <linux/module.h>\n"
220 buf += "#include <linux/moduleparam.h>\n"
221 buf += "#include <linux/version.h>\n"
222 buf += "#include <generated/utsrelease.h>\n"
223 buf += "#include <linux/utsname.h>\n"
224 buf += "#include <linux/init.h>\n"
225 buf += "#include <linux/slab.h>\n"
226 buf += "#include <linux/kthread.h>\n"
227 buf += "#include <linux/types.h>\n"
228 buf += "#include <linux/string.h>\n"
229 buf += "#include <linux/configfs.h>\n"
230 buf += "#include <linux/ctype.h>\n"
231 buf += "#include <asm/unaligned.h>\n\n"
232 buf += "#include <target/target_core_base.h>\n"
233 buf += "#include <target/target_core_fabric.h>\n"
234 buf += "#include <target/target_core_fabric_configfs.h>\n"
235 buf += "#include <target/target_core_configfs.h>\n"
236 buf += "#include <target/configfs_macros.h>\n\n"
237 buf += "#include \"" + fabric_mod_name + "_base.h\"\n"
238 buf += "#include \"" + fabric_mod_name + "_fabric.h\"\n\n"
239
240 buf += "/* Local pointer to allocated TCM configfs fabric module */\n"
241 buf += "struct target_fabric_configfs *" + fabric_mod_name + "_fabric_configfs;\n\n"
242
243 buf += "static struct se_node_acl *" + fabric_mod_name + "_make_nodeacl(\n"
244 buf += " struct se_portal_group *se_tpg,\n"
245 buf += " struct config_group *group,\n"
246 buf += " const char *name)\n"
247 buf += "{\n"
248 buf += " struct se_node_acl *se_nacl, *se_nacl_new;\n"
249 buf += " struct " + fabric_mod_name + "_nacl *nacl;\n"
250
251 if proto_ident == "FC" or proto_ident == "SAS":
252 buf += " u64 wwpn = 0;\n"
253
254 buf += " u32 nexus_depth;\n\n"
255 buf += " /* " + fabric_mod_name + "_parse_wwn(name, &wwpn, 1) < 0)\n"
256 buf += " return ERR_PTR(-EINVAL); */\n"
257 buf += " se_nacl_new = " + fabric_mod_name + "_alloc_fabric_acl(se_tpg);\n"
258 buf += " if (!se_nacl_new)\n"
259 buf += " return ERR_PTR(-ENOMEM);\n"
260 buf += "//#warning FIXME: Hardcoded nexus depth in " + fabric_mod_name + "_make_nodeacl()\n"
261 buf += " nexus_depth = 1;\n"
262 buf += " /*\n"
263 buf += " * se_nacl_new may be released by core_tpg_add_initiator_node_acl()\n"
264 buf += " * when converting a NodeACL from demo mode -> explict\n"
265 buf += " */\n"
266 buf += " se_nacl = core_tpg_add_initiator_node_acl(se_tpg, se_nacl_new,\n"
267 buf += " name, nexus_depth);\n"
268 buf += " if (IS_ERR(se_nacl)) {\n"
269 buf += " " + fabric_mod_name + "_release_fabric_acl(se_tpg, se_nacl_new);\n"
270 buf += " return se_nacl;\n"
271 buf += " }\n"
272 buf += " /*\n"
273 buf += " * Locate our struct " + fabric_mod_name + "_nacl and set the FC Nport WWPN\n"
274 buf += " */\n"
275 buf += " nacl = container_of(se_nacl, struct " + fabric_mod_name + "_nacl, se_node_acl);\n"
276
277 if proto_ident == "FC" or proto_ident == "SAS":
278 buf += " nacl->" + fabric_mod_init_port + "_wwpn = wwpn;\n"
279
280 buf += " /* " + fabric_mod_name + "_format_wwn(&nacl->" + fabric_mod_init_port + "_name[0], " + fabric_mod_name.upper() + "_NAMELEN, wwpn); */\n\n"
281 buf += " return se_nacl;\n"
282 buf += "}\n\n"
283 buf += "static void " + fabric_mod_name + "_drop_nodeacl(struct se_node_acl *se_acl)\n"
284 buf += "{\n"
285 buf += " struct " + fabric_mod_name + "_nacl *nacl = container_of(se_acl,\n"
286 buf += " struct " + fabric_mod_name + "_nacl, se_node_acl);\n"
287 buf += " core_tpg_del_initiator_node_acl(se_acl->se_tpg, se_acl, 1);\n"
288 buf += " kfree(nacl);\n"
289 buf += "}\n\n"
290
291 buf += "static struct se_portal_group *" + fabric_mod_name + "_make_tpg(\n"
292 buf += " struct se_wwn *wwn,\n"
293 buf += " struct config_group *group,\n"
294 buf += " const char *name)\n"
295 buf += "{\n"
296 buf += " struct " + fabric_mod_name + "_" + fabric_mod_port + "*" + fabric_mod_port + " = container_of(wwn,\n"
297 buf += " struct " + fabric_mod_name + "_" + fabric_mod_port + ", " + fabric_mod_port + "_wwn);\n\n"
298 buf += " struct " + fabric_mod_name + "_tpg *tpg;\n"
299 buf += " unsigned long tpgt;\n"
300 buf += " int ret;\n\n"
301 buf += " if (strstr(name, \"tpgt_\") != name)\n"
302 buf += " return ERR_PTR(-EINVAL);\n"
303 buf += " if (kstrtoul(name + 5, 10, &tpgt) || tpgt > UINT_MAX)\n"
304 buf += " return ERR_PTR(-EINVAL);\n\n"
305 buf += " tpg = kzalloc(sizeof(struct " + fabric_mod_name + "_tpg), GFP_KERNEL);\n"
306 buf += " if (!tpg) {\n"
307 buf += " printk(KERN_ERR \"Unable to allocate struct " + fabric_mod_name + "_tpg\");\n"
308 buf += " return ERR_PTR(-ENOMEM);\n"
309 buf += " }\n"
310 buf += " tpg->" + fabric_mod_port + " = " + fabric_mod_port + ";\n"
311 buf += " tpg->" + fabric_mod_port + "_tpgt = tpgt;\n\n"
312 buf += " ret = core_tpg_register(&" + fabric_mod_name + "_fabric_configfs->tf_ops, wwn,\n"
313 buf += " &tpg->se_tpg, (void *)tpg,\n"
314 buf += " TRANSPORT_TPG_TYPE_NORMAL);\n"
315 buf += " if (ret < 0) {\n"
316 buf += " kfree(tpg);\n"
317 buf += " return NULL;\n"
318 buf += " }\n"
319 buf += " return &tpg->se_tpg;\n"
320 buf += "}\n\n"
321 buf += "static void " + fabric_mod_name + "_drop_tpg(struct se_portal_group *se_tpg)\n"
322 buf += "{\n"
323 buf += " struct " + fabric_mod_name + "_tpg *tpg = container_of(se_tpg,\n"
324 buf += " struct " + fabric_mod_name + "_tpg, se_tpg);\n\n"
325 buf += " core_tpg_deregister(se_tpg);\n"
326 buf += " kfree(tpg);\n"
327 buf += "}\n\n"
328
329 buf += "static struct se_wwn *" + fabric_mod_name + "_make_" + fabric_mod_port + "(\n"
330 buf += " struct target_fabric_configfs *tf,\n"
331 buf += " struct config_group *group,\n"
332 buf += " const char *name)\n"
333 buf += "{\n"
334 buf += " struct " + fabric_mod_name + "_" + fabric_mod_port + " *" + fabric_mod_port + ";\n"
335
336 if proto_ident == "FC" or proto_ident == "SAS":
337 buf += " u64 wwpn = 0;\n\n"
338
339 buf += " /* if (" + fabric_mod_name + "_parse_wwn(name, &wwpn, 1) < 0)\n"
340 buf += " return ERR_PTR(-EINVAL); */\n\n"
341 buf += " " + fabric_mod_port + " = kzalloc(sizeof(struct " + fabric_mod_name + "_" + fabric_mod_port + "), GFP_KERNEL);\n"
342 buf += " if (!" + fabric_mod_port + ") {\n"
343 buf += " printk(KERN_ERR \"Unable to allocate struct " + fabric_mod_name + "_" + fabric_mod_port + "\");\n"
344 buf += " return ERR_PTR(-ENOMEM);\n"
345 buf += " }\n"
346
347 if proto_ident == "FC" or proto_ident == "SAS":
348 buf += " " + fabric_mod_port + "->" + fabric_mod_port + "_wwpn = wwpn;\n"
349
350 buf += " /* " + fabric_mod_name + "_format_wwn(&" + fabric_mod_port + "->" + fabric_mod_port + "_name[0], " + fabric_mod_name.upper() + "_NAMELEN, wwpn); */\n\n"
351 buf += " return &" + fabric_mod_port + "->" + fabric_mod_port + "_wwn;\n"
352 buf += "}\n\n"
353 buf += "static void " + fabric_mod_name + "_drop_" + fabric_mod_port + "(struct se_wwn *wwn)\n"
354 buf += "{\n"
355 buf += " struct " + fabric_mod_name + "_" + fabric_mod_port + " *" + fabric_mod_port + " = container_of(wwn,\n"
356 buf += " struct " + fabric_mod_name + "_" + fabric_mod_port + ", " + fabric_mod_port + "_wwn);\n"
357 buf += " kfree(" + fabric_mod_port + ");\n"
358 buf += "}\n\n"
359 buf += "static ssize_t " + fabric_mod_name + "_wwn_show_attr_version(\n"
360 buf += " struct target_fabric_configfs *tf,\n"
361 buf += " char *page)\n"
362 buf += "{\n"
363 buf += " return sprintf(page, \"" + fabric_mod_name.upper() + " fabric module %s on %s/%s\"\n"
364 buf += " \"on \"UTS_RELEASE\"\\n\", " + fabric_mod_name.upper() + "_VERSION, utsname()->sysname,\n"
365 buf += " utsname()->machine);\n"
366 buf += "}\n\n"
367 buf += "TF_WWN_ATTR_RO(" + fabric_mod_name + ", version);\n\n"
368 buf += "static struct configfs_attribute *" + fabric_mod_name + "_wwn_attrs[] = {\n"
369 buf += " &" + fabric_mod_name + "_wwn_version.attr,\n"
370 buf += " NULL,\n"
371 buf += "};\n\n"
372
373 buf += "static struct target_core_fabric_ops " + fabric_mod_name + "_ops = {\n"
374 buf += " .get_fabric_name = " + fabric_mod_name + "_get_fabric_name,\n"
375 buf += " .get_fabric_proto_ident = " + fabric_mod_name + "_get_fabric_proto_ident,\n"
376 buf += " .tpg_get_wwn = " + fabric_mod_name + "_get_fabric_wwn,\n"
377 buf += " .tpg_get_tag = " + fabric_mod_name + "_get_tag,\n"
378 buf += " .tpg_get_default_depth = " + fabric_mod_name + "_get_default_depth,\n"
379 buf += " .tpg_get_pr_transport_id = " + fabric_mod_name + "_get_pr_transport_id,\n"
380 buf += " .tpg_get_pr_transport_id_len = " + fabric_mod_name + "_get_pr_transport_id_len,\n"
381 buf += " .tpg_parse_pr_out_transport_id = " + fabric_mod_name + "_parse_pr_out_transport_id,\n"
382 buf += " .tpg_check_demo_mode = " + fabric_mod_name + "_check_false,\n"
383 buf += " .tpg_check_demo_mode_cache = " + fabric_mod_name + "_check_true,\n"
384 buf += " .tpg_check_demo_mode_write_protect = " + fabric_mod_name + "_check_true,\n"
385 buf += " .tpg_check_prod_mode_write_protect = " + fabric_mod_name + "_check_false,\n"
386 buf += " .tpg_alloc_fabric_acl = " + fabric_mod_name + "_alloc_fabric_acl,\n"
387 buf += " .tpg_release_fabric_acl = " + fabric_mod_name + "_release_fabric_acl,\n"
388 buf += " .tpg_get_inst_index = " + fabric_mod_name + "_tpg_get_inst_index,\n"
389 buf += " .release_cmd = " + fabric_mod_name + "_release_cmd,\n"
390 buf += " .shutdown_session = " + fabric_mod_name + "_shutdown_session,\n"
391 buf += " .close_session = " + fabric_mod_name + "_close_session,\n"
392 buf += " .stop_session = " + fabric_mod_name + "_stop_session,\n"
393 buf += " .fall_back_to_erl0 = " + fabric_mod_name + "_reset_nexus,\n"
394 buf += " .sess_logged_in = " + fabric_mod_name + "_sess_logged_in,\n"
395 buf += " .sess_get_index = " + fabric_mod_name + "_sess_get_index,\n"
396 buf += " .sess_get_initiator_sid = NULL,\n"
397 buf += " .write_pending = " + fabric_mod_name + "_write_pending,\n"
398 buf += " .write_pending_status = " + fabric_mod_name + "_write_pending_status,\n"
399 buf += " .set_default_node_attributes = " + fabric_mod_name + "_set_default_node_attrs,\n"
400 buf += " .get_task_tag = " + fabric_mod_name + "_get_task_tag,\n"
401 buf += " .get_cmd_state = " + fabric_mod_name + "_get_cmd_state,\n"
402 buf += " .queue_data_in = " + fabric_mod_name + "_queue_data_in,\n"
403 buf += " .queue_status = " + fabric_mod_name + "_queue_status,\n"
404 buf += " .queue_tm_rsp = " + fabric_mod_name + "_queue_tm_rsp,\n"
405 buf += " .is_state_remove = " + fabric_mod_name + "_is_state_remove,\n"
406 buf += " /*\n"
407 buf += " * Setup function pointers for generic logic in target_core_fabric_configfs.c\n"
408 buf += " */\n"
409 buf += " .fabric_make_wwn = " + fabric_mod_name + "_make_" + fabric_mod_port + ",\n"
410 buf += " .fabric_drop_wwn = " + fabric_mod_name + "_drop_" + fabric_mod_port + ",\n"
411 buf += " .fabric_make_tpg = " + fabric_mod_name + "_make_tpg,\n"
412 buf += " .fabric_drop_tpg = " + fabric_mod_name + "_drop_tpg,\n"
413 buf += " .fabric_post_link = NULL,\n"
414 buf += " .fabric_pre_unlink = NULL,\n"
415 buf += " .fabric_make_np = NULL,\n"
416 buf += " .fabric_drop_np = NULL,\n"
417 buf += " .fabric_make_nodeacl = " + fabric_mod_name + "_make_nodeacl,\n"
418 buf += " .fabric_drop_nodeacl = " + fabric_mod_name + "_drop_nodeacl,\n"
419 buf += "};\n\n"
420
421 buf += "static int " + fabric_mod_name + "_register_configfs(void)\n"
422 buf += "{\n"
423 buf += " struct target_fabric_configfs *fabric;\n"
424 buf += " int ret;\n\n"
425 buf += " printk(KERN_INFO \"" + fabric_mod_name.upper() + " fabric module %s on %s/%s\"\n"
426 buf += " \" on \"UTS_RELEASE\"\\n\"," + fabric_mod_name.upper() + "_VERSION, utsname()->sysname,\n"
427 buf += " utsname()->machine);\n"
428 buf += " /*\n"
429 buf += " * Register the top level struct config_item_type with TCM core\n"
430 buf += " */\n"
431 buf += " fabric = target_fabric_configfs_init(THIS_MODULE, \"" + fabric_mod_name[4:] + "\");\n"
432 buf += " if (IS_ERR(fabric)) {\n"
433 buf += " printk(KERN_ERR \"target_fabric_configfs_init() failed\\n\");\n"
434 buf += " return PTR_ERR(fabric);\n"
435 buf += " }\n"
436 buf += " /*\n"
437 buf += " * Setup fabric->tf_ops from our local " + fabric_mod_name + "_ops\n"
438 buf += " */\n"
439 buf += " fabric->tf_ops = " + fabric_mod_name + "_ops;\n"
440 buf += " /*\n"
441 buf += " * Setup default attribute lists for various fabric->tf_cit_tmpl\n"
442 buf += " */\n"
443 buf += " fabric->tf_cit_tmpl.tfc_wwn_cit.ct_attrs = " + fabric_mod_name + "_wwn_attrs;\n"
444 buf += " fabric->tf_cit_tmpl.tfc_tpg_base_cit.ct_attrs = NULL;\n"
445 buf += " fabric->tf_cit_tmpl.tfc_tpg_attrib_cit.ct_attrs = NULL;\n"
446 buf += " fabric->tf_cit_tmpl.tfc_tpg_param_cit.ct_attrs = NULL;\n"
447 buf += " fabric->tf_cit_tmpl.tfc_tpg_np_base_cit.ct_attrs = NULL;\n"
448 buf += " fabric->tf_cit_tmpl.tfc_tpg_nacl_base_cit.ct_attrs = NULL;\n"
449 buf += " fabric->tf_cit_tmpl.tfc_tpg_nacl_attrib_cit.ct_attrs = NULL;\n"
450 buf += " fabric->tf_cit_tmpl.tfc_tpg_nacl_auth_cit.ct_attrs = NULL;\n"
451 buf += " fabric->tf_cit_tmpl.tfc_tpg_nacl_param_cit.ct_attrs = NULL;\n"
452 buf += " /*\n"
453 buf += " * Register the fabric for use within TCM\n"
454 buf += " */\n"
455 buf += " ret = target_fabric_configfs_register(fabric);\n"
456 buf += " if (ret < 0) {\n"
457 buf += " printk(KERN_ERR \"target_fabric_configfs_register() failed\"\n"
458 buf += " \" for " + fabric_mod_name.upper() + "\\n\");\n"
459 buf += " return ret;\n"
460 buf += " }\n"
461 buf += " /*\n"
462 buf += " * Setup our local pointer to *fabric\n"
463 buf += " */\n"
464 buf += " " + fabric_mod_name + "_fabric_configfs = fabric;\n"
465 buf += " printk(KERN_INFO \"" + fabric_mod_name.upper() + "[0] - Set fabric -> " + fabric_mod_name + "_fabric_configfs\\n\");\n"
466 buf += " return 0;\n"
467 buf += "};\n\n"
468 buf += "static void __exit " + fabric_mod_name + "_deregister_configfs(void)\n"
469 buf += "{\n"
470 buf += " if (!" + fabric_mod_name + "_fabric_configfs)\n"
471 buf += " return;\n\n"
472 buf += " target_fabric_configfs_deregister(" + fabric_mod_name + "_fabric_configfs);\n"
473 buf += " " + fabric_mod_name + "_fabric_configfs = NULL;\n"
474 buf += " printk(KERN_INFO \"" + fabric_mod_name.upper() + "[0] - Cleared " + fabric_mod_name + "_fabric_configfs\\n\");\n"
475 buf += "};\n\n"
476
477 buf += "static int __init " + fabric_mod_name + "_init(void)\n"
478 buf += "{\n"
479 buf += " int ret;\n\n"
480 buf += " ret = " + fabric_mod_name + "_register_configfs();\n"
481 buf += " if (ret < 0)\n"
482 buf += " return ret;\n\n"
483 buf += " return 0;\n"
484 buf += "};\n\n"
485 buf += "static void __exit " + fabric_mod_name + "_exit(void)\n"
486 buf += "{\n"
487 buf += " " + fabric_mod_name + "_deregister_configfs();\n"
488 buf += "};\n\n"
489
490 buf += "MODULE_DESCRIPTION(\"" + fabric_mod_name.upper() + " series fabric driver\");\n"
491 buf += "MODULE_LICENSE(\"GPL\");\n"
492 buf += "module_init(" + fabric_mod_name + "_init);\n"
493 buf += "module_exit(" + fabric_mod_name + "_exit);\n"
494
495 ret = p.write(buf)
496 if ret:
497 tcm_mod_err("Unable to write f: " + f)
498
499 p.close()
500
501 return
502
503def tcm_mod_scan_fabric_ops(tcm_dir):
504
505 fabric_ops_api = tcm_dir + "include/target/target_core_fabric.h"
506
507 print "Using tcm_mod_scan_fabric_ops: " + fabric_ops_api
508 process_fo = 0;
509
510 p = open(fabric_ops_api, 'r')
511
512 line = p.readline()
513 while line:
514 if process_fo == 0 and re.search('struct target_core_fabric_ops {', line):
515 line = p.readline()
516 continue
517
518 if process_fo == 0:
519 process_fo = 1;
520 line = p.readline()
521 # Search for function pointer
522 if not re.search('\(\*', line):
523 continue
524
525 fabric_ops.append(line.rstrip())
526 continue
527
528 line = p.readline()
529 # Search for function pointer
530 if not re.search('\(\*', line):
531 continue
532
533 fabric_ops.append(line.rstrip())
534
535 p.close()
536 return
537
538def tcm_mod_dump_fabric_ops(proto_ident, fabric_mod_dir_var, fabric_mod_name):
539 buf = ""
540 bufi = ""
541
542 f = fabric_mod_dir_var + "/" + fabric_mod_name + "_fabric.c"
543 print "Writing file: " + f
544
545 p = open(f, 'w')
546 if not p:
547 tcm_mod_err("Unable to open file: " + f)
548
549 fi = fabric_mod_dir_var + "/" + fabric_mod_name + "_fabric.h"
550 print "Writing file: " + fi
551
552 pi = open(fi, 'w')
553 if not pi:
554 tcm_mod_err("Unable to open file: " + fi)
555
556 buf = "#include <linux/slab.h>\n"
557 buf += "#include <linux/kthread.h>\n"
558 buf += "#include <linux/types.h>\n"
559 buf += "#include <linux/list.h>\n"
560 buf += "#include <linux/types.h>\n"
561 buf += "#include <linux/string.h>\n"
562 buf += "#include <linux/ctype.h>\n"
563 buf += "#include <asm/unaligned.h>\n"
564 buf += "#include <scsi/scsi.h>\n"
565 buf += "#include <scsi/scsi_host.h>\n"
566 buf += "#include <scsi/scsi_device.h>\n"
567 buf += "#include <scsi/scsi_cmnd.h>\n"
568 buf += "#include <scsi/libfc.h>\n\n"
569 buf += "#include <target/target_core_base.h>\n"
570 buf += "#include <target/target_core_fabric.h>\n"
571 buf += "#include <target/target_core_configfs.h>\n\n"
572 buf += "#include \"" + fabric_mod_name + "_base.h\"\n"
573 buf += "#include \"" + fabric_mod_name + "_fabric.h\"\n\n"
574
575 buf += "int " + fabric_mod_name + "_check_true(struct se_portal_group *se_tpg)\n"
576 buf += "{\n"
577 buf += " return 1;\n"
578 buf += "}\n\n"
579 bufi += "int " + fabric_mod_name + "_check_true(struct se_portal_group *);\n"
580
581 buf += "int " + fabric_mod_name + "_check_false(struct se_portal_group *se_tpg)\n"
582 buf += "{\n"
583 buf += " return 0;\n"
584 buf += "}\n\n"
585 bufi += "int " + fabric_mod_name + "_check_false(struct se_portal_group *);\n"
586
587 total_fabric_ops = len(fabric_ops)
588 i = 0
589
590 while i < total_fabric_ops:
591 fo = fabric_ops[i]
592 i += 1
593# print "fabric_ops: " + fo
594
595 if re.search('get_fabric_name', fo):
596 buf += "char *" + fabric_mod_name + "_get_fabric_name(void)\n"
597 buf += "{\n"
598 buf += " return \"" + fabric_mod_name[4:] + "\";\n"
599 buf += "}\n\n"
600 bufi += "char *" + fabric_mod_name + "_get_fabric_name(void);\n"
601 continue
602
603 if re.search('get_fabric_proto_ident', fo):
604 buf += "u8 " + fabric_mod_name + "_get_fabric_proto_ident(struct se_portal_group *se_tpg)\n"
605 buf += "{\n"
606 buf += " struct " + fabric_mod_name + "_tpg *tpg = container_of(se_tpg,\n"
607 buf += " struct " + fabric_mod_name + "_tpg, se_tpg);\n"
608 buf += " struct " + fabric_mod_name + "_" + fabric_mod_port + " *" + fabric_mod_port + " = tpg->" + fabric_mod_port + ";\n"
609 buf += " u8 proto_id;\n\n"
610 buf += " switch (" + fabric_mod_port + "->" + fabric_mod_port + "_proto_id) {\n"
611 if proto_ident == "FC":
612 buf += " case SCSI_PROTOCOL_FCP:\n"
613 buf += " default:\n"
614 buf += " proto_id = fc_get_fabric_proto_ident(se_tpg);\n"
615 buf += " break;\n"
616 elif proto_ident == "SAS":
617 buf += " case SCSI_PROTOCOL_SAS:\n"
618 buf += " default:\n"
619 buf += " proto_id = sas_get_fabric_proto_ident(se_tpg);\n"
620 buf += " break;\n"
621 elif proto_ident == "iSCSI":
622 buf += " case SCSI_PROTOCOL_ISCSI:\n"
623 buf += " default:\n"
624 buf += " proto_id = iscsi_get_fabric_proto_ident(se_tpg);\n"
625 buf += " break;\n"
626
627 buf += " }\n\n"
628 buf += " return proto_id;\n"
629 buf += "}\n\n"
630 bufi += "u8 " + fabric_mod_name + "_get_fabric_proto_ident(struct se_portal_group *);\n"
631
632 if re.search('get_wwn', fo):
633 buf += "char *" + fabric_mod_name + "_get_fabric_wwn(struct se_portal_group *se_tpg)\n"
634 buf += "{\n"
635 buf += " struct " + fabric_mod_name + "_tpg *tpg = container_of(se_tpg,\n"
636 buf += " struct " + fabric_mod_name + "_tpg, se_tpg);\n"
637 buf += " struct " + fabric_mod_name + "_" + fabric_mod_port + " *" + fabric_mod_port + " = tpg->" + fabric_mod_port + ";\n\n"
638 buf += " return &" + fabric_mod_port + "->" + fabric_mod_port + "_name[0];\n"
639 buf += "}\n\n"
640 bufi += "char *" + fabric_mod_name + "_get_fabric_wwn(struct se_portal_group *);\n"
641
642 if re.search('get_tag', fo):
643 buf += "u16 " + fabric_mod_name + "_get_tag(struct se_portal_group *se_tpg)\n"
644 buf += "{\n"
645 buf += " struct " + fabric_mod_name + "_tpg *tpg = container_of(se_tpg,\n"
646 buf += " struct " + fabric_mod_name + "_tpg, se_tpg);\n"
647 buf += " return tpg->" + fabric_mod_port + "_tpgt;\n"
648 buf += "}\n\n"
649 bufi += "u16 " + fabric_mod_name + "_get_tag(struct se_portal_group *);\n"
650
651 if re.search('get_default_depth', fo):
652 buf += "u32 " + fabric_mod_name + "_get_default_depth(struct se_portal_group *se_tpg)\n"
653 buf += "{\n"
654 buf += " return 1;\n"
655 buf += "}\n\n"
656 bufi += "u32 " + fabric_mod_name + "_get_default_depth(struct se_portal_group *);\n"
657
658 if re.search('get_pr_transport_id\)\(', fo):
659 buf += "u32 " + fabric_mod_name + "_get_pr_transport_id(\n"
660 buf += " struct se_portal_group *se_tpg,\n"
661 buf += " struct se_node_acl *se_nacl,\n"
662 buf += " struct t10_pr_registration *pr_reg,\n"
663 buf += " int *format_code,\n"
664 buf += " unsigned char *buf)\n"
665 buf += "{\n"
666 buf += " struct " + fabric_mod_name + "_tpg *tpg = container_of(se_tpg,\n"
667 buf += " struct " + fabric_mod_name + "_tpg, se_tpg);\n"
668 buf += " struct " + fabric_mod_name + "_" + fabric_mod_port + " *" + fabric_mod_port + " = tpg->" + fabric_mod_port + ";\n"
669 buf += " int ret = 0;\n\n"
670 buf += " switch (" + fabric_mod_port + "->" + fabric_mod_port + "_proto_id) {\n"
671 if proto_ident == "FC":
672 buf += " case SCSI_PROTOCOL_FCP:\n"
673 buf += " default:\n"
674 buf += " ret = fc_get_pr_transport_id(se_tpg, se_nacl, pr_reg,\n"
675 buf += " format_code, buf);\n"
676 buf += " break;\n"
677 elif proto_ident == "SAS":
678 buf += " case SCSI_PROTOCOL_SAS:\n"
679 buf += " default:\n"
680 buf += " ret = sas_get_pr_transport_id(se_tpg, se_nacl, pr_reg,\n"
681 buf += " format_code, buf);\n"
682 buf += " break;\n"
683 elif proto_ident == "iSCSI":
684 buf += " case SCSI_PROTOCOL_ISCSI:\n"
685 buf += " default:\n"
686 buf += " ret = iscsi_get_pr_transport_id(se_tpg, se_nacl, pr_reg,\n"
687 buf += " format_code, buf);\n"
688 buf += " break;\n"
689
690 buf += " }\n\n"
691 buf += " return ret;\n"
692 buf += "}\n\n"
693 bufi += "u32 " + fabric_mod_name + "_get_pr_transport_id(struct se_portal_group *,\n"
694 bufi += " struct se_node_acl *, struct t10_pr_registration *,\n"
695 bufi += " int *, unsigned char *);\n"
696
697 if re.search('get_pr_transport_id_len\)\(', fo):
698 buf += "u32 " + fabric_mod_name + "_get_pr_transport_id_len(\n"
699 buf += " struct se_portal_group *se_tpg,\n"
700 buf += " struct se_node_acl *se_nacl,\n"
701 buf += " struct t10_pr_registration *pr_reg,\n"
702 buf += " int *format_code)\n"
703 buf += "{\n"
704 buf += " struct " + fabric_mod_name + "_tpg *tpg = container_of(se_tpg,\n"
705 buf += " struct " + fabric_mod_name + "_tpg, se_tpg);\n"
706 buf += " struct " + fabric_mod_name + "_" + fabric_mod_port + " *" + fabric_mod_port + " = tpg->" + fabric_mod_port + ";\n"
707 buf += " int ret = 0;\n\n"
708 buf += " switch (" + fabric_mod_port + "->" + fabric_mod_port + "_proto_id) {\n"
709 if proto_ident == "FC":
710 buf += " case SCSI_PROTOCOL_FCP:\n"
711 buf += " default:\n"
712 buf += " ret = fc_get_pr_transport_id_len(se_tpg, se_nacl, pr_reg,\n"
713 buf += " format_code);\n"
714 buf += " break;\n"
715 elif proto_ident == "SAS":
716 buf += " case SCSI_PROTOCOL_SAS:\n"
717 buf += " default:\n"
718 buf += " ret = sas_get_pr_transport_id_len(se_tpg, se_nacl, pr_reg,\n"
719 buf += " format_code);\n"
720 buf += " break;\n"
721 elif proto_ident == "iSCSI":
722 buf += " case SCSI_PROTOCOL_ISCSI:\n"
723 buf += " default:\n"
724 buf += " ret = iscsi_get_pr_transport_id_len(se_tpg, se_nacl, pr_reg,\n"
725 buf += " format_code);\n"
726 buf += " break;\n"
727
728
729 buf += " }\n\n"
730 buf += " return ret;\n"
731 buf += "}\n\n"
732 bufi += "u32 " + fabric_mod_name + "_get_pr_transport_id_len(struct se_portal_group *,\n"
733 bufi += " struct se_node_acl *, struct t10_pr_registration *,\n"
734 bufi += " int *);\n"
735
736 if re.search('parse_pr_out_transport_id\)\(', fo):
737 buf += "char *" + fabric_mod_name + "_parse_pr_out_transport_id(\n"
738 buf += " struct se_portal_group *se_tpg,\n"
739 buf += " const char *buf,\n"
740 buf += " u32 *out_tid_len,\n"
741 buf += " char **port_nexus_ptr)\n"
742 buf += "{\n"
743 buf += " struct " + fabric_mod_name + "_tpg *tpg = container_of(se_tpg,\n"
744 buf += " struct " + fabric_mod_name + "_tpg, se_tpg);\n"
745 buf += " struct " + fabric_mod_name + "_" + fabric_mod_port + " *" + fabric_mod_port + " = tpg->" + fabric_mod_port + ";\n"
746 buf += " char *tid = NULL;\n\n"
747 buf += " switch (" + fabric_mod_port + "->" + fabric_mod_port + "_proto_id) {\n"
748 if proto_ident == "FC":
749 buf += " case SCSI_PROTOCOL_FCP:\n"
750 buf += " default:\n"
751 buf += " tid = fc_parse_pr_out_transport_id(se_tpg, buf, out_tid_len,\n"
752 buf += " port_nexus_ptr);\n"
753 elif proto_ident == "SAS":
754 buf += " case SCSI_PROTOCOL_SAS:\n"
755 buf += " default:\n"
756 buf += " tid = sas_parse_pr_out_transport_id(se_tpg, buf, out_tid_len,\n"
757 buf += " port_nexus_ptr);\n"
758 elif proto_ident == "iSCSI":
759 buf += " case SCSI_PROTOCOL_ISCSI:\n"
760 buf += " default:\n"
761 buf += " tid = iscsi_parse_pr_out_transport_id(se_tpg, buf, out_tid_len,\n"
762 buf += " port_nexus_ptr);\n"
763
764 buf += " }\n\n"
765 buf += " return tid;\n"
766 buf += "}\n\n"
767 bufi += "char *" + fabric_mod_name + "_parse_pr_out_transport_id(struct se_portal_group *,\n"
768 bufi += " const char *, u32 *, char **);\n"
769
770 if re.search('alloc_fabric_acl\)\(', fo):
771 buf += "struct se_node_acl *" + fabric_mod_name + "_alloc_fabric_acl(struct se_portal_group *se_tpg)\n"
772 buf += "{\n"
773 buf += " struct " + fabric_mod_name + "_nacl *nacl;\n\n"
774 buf += " nacl = kzalloc(sizeof(struct " + fabric_mod_name + "_nacl), GFP_KERNEL);\n"
775 buf += " if (!nacl) {\n"
776 buf += " printk(KERN_ERR \"Unable to allocate struct " + fabric_mod_name + "_nacl\\n\");\n"
777 buf += " return NULL;\n"
778 buf += " }\n\n"
779 buf += " return &nacl->se_node_acl;\n"
780 buf += "}\n\n"
781 bufi += "struct se_node_acl *" + fabric_mod_name + "_alloc_fabric_acl(struct se_portal_group *);\n"
782
783 if re.search('release_fabric_acl\)\(', fo):
784 buf += "void " + fabric_mod_name + "_release_fabric_acl(\n"
785 buf += " struct se_portal_group *se_tpg,\n"
786 buf += " struct se_node_acl *se_nacl)\n"
787 buf += "{\n"
788 buf += " struct " + fabric_mod_name + "_nacl *nacl = container_of(se_nacl,\n"
789 buf += " struct " + fabric_mod_name + "_nacl, se_node_acl);\n"
790 buf += " kfree(nacl);\n"
791 buf += "}\n\n"
792 bufi += "void " + fabric_mod_name + "_release_fabric_acl(struct se_portal_group *,\n"
793 bufi += " struct se_node_acl *);\n"
794
795 if re.search('tpg_get_inst_index\)\(', fo):
796 buf += "u32 " + fabric_mod_name + "_tpg_get_inst_index(struct se_portal_group *se_tpg)\n"
797 buf += "{\n"
798 buf += " return 1;\n"
799 buf += "}\n\n"
800 bufi += "u32 " + fabric_mod_name + "_tpg_get_inst_index(struct se_portal_group *);\n"
801
802 if re.search('\*release_cmd\)\(', fo):
803 buf += "void " + fabric_mod_name + "_release_cmd(struct se_cmd *se_cmd)\n"
804 buf += "{\n"
805 buf += " return;\n"
806 buf += "}\n\n"
807 bufi += "void " + fabric_mod_name + "_release_cmd(struct se_cmd *);\n"
808
809 if re.search('shutdown_session\)\(', fo):
810 buf += "int " + fabric_mod_name + "_shutdown_session(struct se_session *se_sess)\n"
811 buf += "{\n"
812 buf += " return 0;\n"
813 buf += "}\n\n"
814 bufi += "int " + fabric_mod_name + "_shutdown_session(struct se_session *);\n"
815
816 if re.search('close_session\)\(', fo):
817 buf += "void " + fabric_mod_name + "_close_session(struct se_session *se_sess)\n"
818 buf += "{\n"
819 buf += " return;\n"
820 buf += "}\n\n"
821 bufi += "void " + fabric_mod_name + "_close_session(struct se_session *);\n"
822
823 if re.search('stop_session\)\(', fo):
824 buf += "void " + fabric_mod_name + "_stop_session(struct se_session *se_sess, int sess_sleep , int conn_sleep)\n"
825 buf += "{\n"
826 buf += " return;\n"
827 buf += "}\n\n"
828 bufi += "void " + fabric_mod_name + "_stop_session(struct se_session *, int, int);\n"
829
830 if re.search('fall_back_to_erl0\)\(', fo):
831 buf += "void " + fabric_mod_name + "_reset_nexus(struct se_session *se_sess)\n"
832 buf += "{\n"
833 buf += " return;\n"
834 buf += "}\n\n"
835 bufi += "void " + fabric_mod_name + "_reset_nexus(struct se_session *);\n"
836
837 if re.search('sess_logged_in\)\(', fo):
838 buf += "int " + fabric_mod_name + "_sess_logged_in(struct se_session *se_sess)\n"
839 buf += "{\n"
840 buf += " return 0;\n"
841 buf += "}\n\n"
842 bufi += "int " + fabric_mod_name + "_sess_logged_in(struct se_session *);\n"
843
844 if re.search('sess_get_index\)\(', fo):
845 buf += "u32 " + fabric_mod_name + "_sess_get_index(struct se_session *se_sess)\n"
846 buf += "{\n"
847 buf += " return 0;\n"
848 buf += "}\n\n"
849 bufi += "u32 " + fabric_mod_name + "_sess_get_index(struct se_session *);\n"
850
851 if re.search('write_pending\)\(', fo):
852 buf += "int " + fabric_mod_name + "_write_pending(struct se_cmd *se_cmd)\n"
853 buf += "{\n"
854 buf += " return 0;\n"
855 buf += "}\n\n"
856 bufi += "int " + fabric_mod_name + "_write_pending(struct se_cmd *);\n"
857
858 if re.search('write_pending_status\)\(', fo):
859 buf += "int " + fabric_mod_name + "_write_pending_status(struct se_cmd *se_cmd)\n"
860 buf += "{\n"
861 buf += " return 0;\n"
862 buf += "}\n\n"
863 bufi += "int " + fabric_mod_name + "_write_pending_status(struct se_cmd *);\n"
864
865 if re.search('set_default_node_attributes\)\(', fo):
866 buf += "void " + fabric_mod_name + "_set_default_node_attrs(struct se_node_acl *nacl)\n"
867 buf += "{\n"
868 buf += " return;\n"
869 buf += "}\n\n"
870 bufi += "void " + fabric_mod_name + "_set_default_node_attrs(struct se_node_acl *);\n"
871
872 if re.search('get_task_tag\)\(', fo):
873 buf += "u32 " + fabric_mod_name + "_get_task_tag(struct se_cmd *se_cmd)\n"
874 buf += "{\n"
875 buf += " return 0;\n"
876 buf += "}\n\n"
877 bufi += "u32 " + fabric_mod_name + "_get_task_tag(struct se_cmd *);\n"
878
879 if re.search('get_cmd_state\)\(', fo):
880 buf += "int " + fabric_mod_name + "_get_cmd_state(struct se_cmd *se_cmd)\n"
881 buf += "{\n"
882 buf += " return 0;\n"
883 buf += "}\n\n"
884 bufi += "int " + fabric_mod_name + "_get_cmd_state(struct se_cmd *);\n"
885
886 if re.search('queue_data_in\)\(', fo):
887 buf += "int " + fabric_mod_name + "_queue_data_in(struct se_cmd *se_cmd)\n"
888 buf += "{\n"
889 buf += " return 0;\n"
890 buf += "}\n\n"
891 bufi += "int " + fabric_mod_name + "_queue_data_in(struct se_cmd *);\n"
892
893 if re.search('queue_status\)\(', fo):
894 buf += "int " + fabric_mod_name + "_queue_status(struct se_cmd *se_cmd)\n"
895 buf += "{\n"
896 buf += " return 0;\n"
897 buf += "}\n\n"
898 bufi += "int " + fabric_mod_name + "_queue_status(struct se_cmd *);\n"
899
900 if re.search('queue_tm_rsp\)\(', fo):
901 buf += "int " + fabric_mod_name + "_queue_tm_rsp(struct se_cmd *se_cmd)\n"
902 buf += "{\n"
903 buf += " return 0;\n"
904 buf += "}\n\n"
905 bufi += "int " + fabric_mod_name + "_queue_tm_rsp(struct se_cmd *);\n"
906
907 if re.search('is_state_remove\)\(', fo):
908 buf += "int " + fabric_mod_name + "_is_state_remove(struct se_cmd *se_cmd)\n"
909 buf += "{\n"
910 buf += " return 0;\n"
911 buf += "}\n\n"
912 bufi += "int " + fabric_mod_name + "_is_state_remove(struct se_cmd *);\n"
913
914
915 ret = p.write(buf)
916 if ret:
917 tcm_mod_err("Unable to write f: " + f)
918
919 p.close()
920
921 ret = pi.write(bufi)
922 if ret:
923 tcm_mod_err("Unable to write fi: " + fi)
924
925 pi.close()
926 return
927
928def tcm_mod_build_kbuild(fabric_mod_dir_var, fabric_mod_name):
929
930 buf = ""
931 f = fabric_mod_dir_var + "/Makefile"
932 print "Writing file: " + f
933
934 p = open(f, 'w')
935 if not p:
936 tcm_mod_err("Unable to open file: " + f)
937
938 buf += fabric_mod_name + "-objs := " + fabric_mod_name + "_fabric.o \\\n"
939 buf += " " + fabric_mod_name + "_configfs.o\n"
940 buf += "obj-$(CONFIG_" + fabric_mod_name.upper() + ") += " + fabric_mod_name + ".o\n"
941
942 ret = p.write(buf)
943 if ret:
944 tcm_mod_err("Unable to write f: " + f)
945
946 p.close()
947 return
948
949def tcm_mod_build_kconfig(fabric_mod_dir_var, fabric_mod_name):
950
951 buf = ""
952 f = fabric_mod_dir_var + "/Kconfig"
953 print "Writing file: " + f
954
955 p = open(f, 'w')
956 if not p:
957 tcm_mod_err("Unable to open file: " + f)
958
959 buf = "config " + fabric_mod_name.upper() + "\n"
960 buf += " tristate \"" + fabric_mod_name.upper() + " fabric module\"\n"
961 buf += " depends on TARGET_CORE && CONFIGFS_FS\n"
962 buf += " default n\n"
963 buf += " ---help---\n"
964 buf += " Say Y here to enable the " + fabric_mod_name.upper() + " fabric module\n"
965
966 ret = p.write(buf)
967 if ret:
968 tcm_mod_err("Unable to write f: " + f)
969
970 p.close()
971 return
972
973def tcm_mod_add_kbuild(tcm_dir, fabric_mod_name):
974 buf = "obj-$(CONFIG_" + fabric_mod_name.upper() + ") += " + fabric_mod_name.lower() + "/\n"
975 kbuild = tcm_dir + "/drivers/target/Makefile"
976
977 f = open(kbuild, 'a')
978 f.write(buf)
979 f.close()
980 return
981
982def tcm_mod_add_kconfig(tcm_dir, fabric_mod_name):
983 buf = "source \"drivers/target/" + fabric_mod_name.lower() + "/Kconfig\"\n"
984 kconfig = tcm_dir + "/drivers/target/Kconfig"
985
986 f = open(kconfig, 'a')
987 f.write(buf)
988 f.close()
989 return
990
991def main(modname, proto_ident):
992# proto_ident = "FC"
993# proto_ident = "SAS"
994# proto_ident = "iSCSI"
995
996 tcm_dir = os.getcwd();
997 tcm_dir += "/../../"
998 print "tcm_dir: " + tcm_dir
999 fabric_mod_name = modname
1000 fabric_mod_dir = tcm_dir + "drivers/target/" + fabric_mod_name
1001 print "Set fabric_mod_name: " + fabric_mod_name
1002 print "Set fabric_mod_dir: " + fabric_mod_dir
1003 print "Using proto_ident: " + proto_ident
1004
1005 if proto_ident != "FC" and proto_ident != "SAS" and proto_ident != "iSCSI":
1006 print "Unsupported proto_ident: " + proto_ident
1007 sys.exit(1)
1008
1009 ret = tcm_mod_create_module_subdir(fabric_mod_dir)
1010 if ret:
1011 print "tcm_mod_create_module_subdir() failed because module already exists!"
1012 sys.exit(1)
1013
1014 tcm_mod_build_base_includes(proto_ident, fabric_mod_dir, fabric_mod_name)
1015 tcm_mod_scan_fabric_ops(tcm_dir)
1016 tcm_mod_dump_fabric_ops(proto_ident, fabric_mod_dir, fabric_mod_name)
1017 tcm_mod_build_configfs(proto_ident, fabric_mod_dir, fabric_mod_name)
1018 tcm_mod_build_kbuild(fabric_mod_dir, fabric_mod_name)
1019 tcm_mod_build_kconfig(fabric_mod_dir, fabric_mod_name)
1020
1021 input = raw_input("Would you like to add " + fabric_mod_name + "to drivers/target/Makefile..? [yes,no]: ")
1022 if input == "yes" or input == "y":
1023 tcm_mod_add_kbuild(tcm_dir, fabric_mod_name)
1024
1025 input = raw_input("Would you like to add " + fabric_mod_name + "to drivers/target/Kconfig..? [yes,no]: ")
1026 if input == "yes" or input == "y":
1027 tcm_mod_add_kconfig(tcm_dir, fabric_mod_name)
1028
1029 return
1030
1031parser = optparse.OptionParser()
1032parser.add_option('-m', '--modulename', help='Module name', dest='modname',
1033 action='store', nargs=1, type='string')
1034parser.add_option('-p', '--protoident', help='Protocol Ident', dest='protoident',
1035 action='store', nargs=1, type='string')
1036
1037(opts, args) = parser.parse_args()
1038
1039mandatories = ['modname', 'protoident']
1040for m in mandatories:
1041 if not opts.__dict__[m]:
1042 print "mandatory option is missing\n"
1043 parser.print_help()
1044 exit(-1)
1045
1046if __name__ == "__main__":
1047
1048 main(str(opts.modname), opts.protoident)