blob: 94bf6944bb1e412b85f649aab136155052092e29 [file] [log] [blame]
Nicholas Bellingerc66ac9d2010-12-17 11:11:26 -08001#!/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"
Nicholas Bellingerc66ac9d2010-12-17 11:11:26 -080053 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"
Nicholas Bellingerc66ac9d2010-12-17 11:11:26 -080063 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"
Nicholas Bellingerc66ac9d2010-12-17 11:11:26 -080097 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"
Nicholas Bellingerc66ac9d2010-12-17 11:11:26 -0800106 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"
Nicholas Bellingerc66ac9d2010-12-17 11:11:26 -0800140 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"
Nicholas Bellingerc66ac9d2010-12-17 11:11:26 -0800149 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"
Sebastian Herbsztc4cfdd82015-07-20 00:16:01 +0200202 buf += "#include <asm/unaligned.h>\n"
203 buf += "#include <scsi/scsi_proto.h>\n\n"
Nicholas Bellingerc66ac9d2010-12-17 11:11:26 -0800204 buf += "#include <target/target_core_base.h>\n"
Christoph Hellwigc4795fb2011-11-16 09:46:48 -0500205 buf += "#include <target/target_core_fabric.h>\n"
Nicholas Bellinger10635c82011-03-14 04:05:57 -0700206 buf += "#include \"" + fabric_mod_name + "_base.h\"\n"
207 buf += "#include \"" + fabric_mod_name + "_fabric.h\"\n\n"
Nicholas Bellingerc66ac9d2010-12-17 11:11:26 -0800208
Christoph Hellwig9ac89282015-04-08 20:01:35 +0200209 buf += "static const struct target_core_fabric_ops " + fabric_mod_name + "_ops;\n\n"
Nicholas Bellingerc66ac9d2010-12-17 11:11:26 -0800210
Nicholas Bellingerc66ac9d2010-12-17 11:11:26 -0800211 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"
Jingoo Han0ab943b2013-07-31 14:59:16 -0700223 buf += " if (kstrtoul(name + 5, 10, &tpgt) || tpgt > UINT_MAX)\n"
Nicholas Bellingerc66ac9d2010-12-17 11:11:26 -0800224 buf += " return ERR_PTR(-EINVAL);\n\n"
225 buf += " tpg = kzalloc(sizeof(struct " + fabric_mod_name + "_tpg), GFP_KERNEL);\n"
Sebastian Andrzej Siewiorced38c82011-12-06 11:20:31 +0100226 buf += " if (!tpg) {\n"
Nicholas Bellingerc66ac9d2010-12-17 11:11:26 -0800227 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"
Sebastian Herbsztc4cfdd82015-07-20 00:16:01 +0200232
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
Nicholas Bellingerc66ac9d2010-12-17 11:11:26 -0800240 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"
Sebastian Andrzej Siewiorced38c82011-12-06 11:20:31 +0100267 buf += " if (!" + fabric_mod_port + ") {\n"
Nicholas Bellingerc66ac9d2010-12-17 11:11:26 -0800268 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
Sebastian Andrzej Siewiorced38c82011-12-06 11:20:31 +0100275 buf += " /* " + fabric_mod_name + "_format_wwn(&" + fabric_mod_port + "->" + fabric_mod_port + "_name[0], " + fabric_mod_name.upper() + "_NAMELEN, wwpn); */\n\n"
Nicholas Bellingerc66ac9d2010-12-17 11:11:26 -0800276 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"
Nicholas Bellingerc66ac9d2010-12-17 11:11:26 -0800284
Christoph Hellwig9ac89282015-04-08 20:01:35 +0200285 buf += "static const struct target_core_fabric_ops " + fabric_mod_name + "_ops = {\n"
Christoph Hellwig65204c82015-04-15 09:04:41 +0200286 buf += " .module = THIS_MODULE,\n"
Sebastian Herbsztc4cfdd82015-07-20 00:16:01 +0200287 buf += " .name = \"" + fabric_mod_name + "\",\n"
Nicholas Bellingerc66ac9d2010-12-17 11:11:26 -0800288 buf += " .get_fabric_name = " + fabric_mod_name + "_get_fabric_name,\n"
Nicholas Bellingerc66ac9d2010-12-17 11:11:26 -0800289 buf += " .tpg_get_wwn = " + fabric_mod_name + "_get_fabric_wwn,\n"
290 buf += " .tpg_get_tag = " + fabric_mod_name + "_get_tag,\n"
Nicholas Bellingerc66ac9d2010-12-17 11:11:26 -0800291 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"
Nicholas Bellingerc66ac9d2010-12-17 11:11:26 -0800295 buf += " .tpg_get_inst_index = " + fabric_mod_name + "_tpg_get_inst_index,\n"
Nicholas Bellinger77271de2011-11-28 17:54:28 -0800296 buf += " .release_cmd = " + fabric_mod_name + "_release_cmd,\n"
Nicholas Bellingerc66ac9d2010-12-17 11:11:26 -0800297 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"
Nicholas Bellingerc66ac9d2010-12-17 11:11:26 -0800302 buf += " .get_cmd_state = " + fabric_mod_name + "_get_cmd_state,\n"
Nicholas Bellingerc66ac9d2010-12-17 11:11:26 -0800303 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"
Nicholas Bellinger67e51da2014-12-23 00:32:21 -0800306 buf += " .aborted_task = " + fabric_mod_name + "_aborted_task,\n"
Nicholas Bellingerc66ac9d2010-12-17 11:11:26 -0800307 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"
Nicholas Bellingerc66ac9d2010-12-17 11:11:26 -0800314 buf += "};\n\n"
315
316 buf += "static int __init " + fabric_mod_name + "_init(void)\n"
317 buf += "{\n"
Sebastian Herbsztc4cfdd82015-07-20 00:16:01 +0200318 buf += " return target_register_template(&" + fabric_mod_name + "_ops);\n"
Nicholas Bellingerc66ac9d2010-12-17 11:11:26 -0800319 buf += "};\n\n"
Christoph Hellwig9ac89282015-04-08 20:01:35 +0200320
Sebastian Andrzej Siewiorced38c82011-12-06 11:20:31 +0100321 buf += "static void __exit " + fabric_mod_name + "_exit(void)\n"
Nicholas Bellingerc66ac9d2010-12-17 11:11:26 -0800322 buf += "{\n"
Sebastian Herbsztc4cfdd82015-07-20 00:16:01 +0200323 buf += " target_unregister_template(&" + fabric_mod_name + "_ops);\n"
Nicholas Bellingerc66ac9d2010-12-17 11:11:26 -0800324 buf += "};\n\n"
325
Nicholas Bellingerc66ac9d2010-12-17 11:11:26 -0800326 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"
Nicholas Bellingerc66ac9d2010-12-17 11:11:26 -0800330
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
Christoph Hellwigc4795fb2011-11-16 09:46:48 -0500341 fabric_ops_api = tcm_dir + "include/target/target_core_fabric.h"
Nicholas Bellingerc66ac9d2010-12-17 11:11:26 -0800342
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"
Bart Van Asscheba929992015-05-08 10:11:12 +0200400 buf += "#include <scsi/scsi_common.h>\n"
401 buf += "#include <scsi/scsi_proto.h>\n"
Nicholas Bellingerc66ac9d2010-12-17 11:11:26 -0800402 buf += "#include <target/target_core_base.h>\n"
Christoph Hellwigc4795fb2011-11-16 09:46:48 -0500403 buf += "#include <target/target_core_fabric.h>\n"
Nicholas Bellinger10635c82011-03-14 04:05:57 -0700404 buf += "#include \"" + fabric_mod_name + "_base.h\"\n"
405 buf += "#include \"" + fabric_mod_name + "_fabric.h\"\n\n"
Nicholas Bellingerc66ac9d2010-12-17 11:11:26 -0800406
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"
Nicholas Bellinger67e51da2014-12-23 00:32:21 -0800430 buf += " return \"" + fabric_mod_name + "\";\n"
Nicholas Bellingerc66ac9d2010-12-17 11:11:26 -0800431 buf += "}\n\n"
432 bufi += "char *" + fabric_mod_name + "_get_fabric_name(void);\n"
433 continue
434
Nicholas Bellingerc66ac9d2010-12-17 11:11:26 -0800435 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
Nicholas Bellingerc66ac9d2010-12-17 11:11:26 -0800454 if re.search('tpg_get_inst_index\)\(', fo):
455 buf += "u32 " + fabric_mod_name + "_tpg_get_inst_index(struct se_portal_group *se_tpg)\n"
456 buf += "{\n"
457 buf += " return 1;\n"
458 buf += "}\n\n"
459 bufi += "u32 " + fabric_mod_name + "_tpg_get_inst_index(struct se_portal_group *);\n"
460
Nicholas Bellinger77271de2011-11-28 17:54:28 -0800461 if re.search('\*release_cmd\)\(', fo):
Nicholas Bellingerc66ac9d2010-12-17 11:11:26 -0800462 buf += "void " + fabric_mod_name + "_release_cmd(struct se_cmd *se_cmd)\n"
463 buf += "{\n"
464 buf += " return;\n"
465 buf += "}\n\n"
466 bufi += "void " + fabric_mod_name + "_release_cmd(struct se_cmd *);\n"
467
Nicholas Bellingerc66ac9d2010-12-17 11:11:26 -0800468 if re.search('sess_get_index\)\(', fo):
469 buf += "u32 " + fabric_mod_name + "_sess_get_index(struct se_session *se_sess)\n"
470 buf += "{\n"
471 buf += " return 0;\n"
472 buf += "}\n\n"
473 bufi += "u32 " + fabric_mod_name + "_sess_get_index(struct se_session *);\n"
474
475 if re.search('write_pending\)\(', fo):
476 buf += "int " + fabric_mod_name + "_write_pending(struct se_cmd *se_cmd)\n"
477 buf += "{\n"
478 buf += " return 0;\n"
479 buf += "}\n\n"
480 bufi += "int " + fabric_mod_name + "_write_pending(struct se_cmd *);\n"
481
482 if re.search('write_pending_status\)\(', fo):
483 buf += "int " + fabric_mod_name + "_write_pending_status(struct se_cmd *se_cmd)\n"
484 buf += "{\n"
485 buf += " return 0;\n"
486 buf += "}\n\n"
487 bufi += "int " + fabric_mod_name + "_write_pending_status(struct se_cmd *);\n"
488
489 if re.search('set_default_node_attributes\)\(', fo):
490 buf += "void " + fabric_mod_name + "_set_default_node_attrs(struct se_node_acl *nacl)\n"
491 buf += "{\n"
492 buf += " return;\n"
493 buf += "}\n\n"
494 bufi += "void " + fabric_mod_name + "_set_default_node_attrs(struct se_node_acl *);\n"
495
Nicholas Bellingerc66ac9d2010-12-17 11:11:26 -0800496 if re.search('get_cmd_state\)\(', fo):
497 buf += "int " + fabric_mod_name + "_get_cmd_state(struct se_cmd *se_cmd)\n"
498 buf += "{\n"
499 buf += " return 0;\n"
500 buf += "}\n\n"
501 bufi += "int " + fabric_mod_name + "_get_cmd_state(struct se_cmd *);\n"
502
Nicholas Bellingerc66ac9d2010-12-17 11:11:26 -0800503 if re.search('queue_data_in\)\(', fo):
504 buf += "int " + fabric_mod_name + "_queue_data_in(struct se_cmd *se_cmd)\n"
505 buf += "{\n"
506 buf += " return 0;\n"
507 buf += "}\n\n"
508 bufi += "int " + fabric_mod_name + "_queue_data_in(struct se_cmd *);\n"
509
510 if re.search('queue_status\)\(', fo):
511 buf += "int " + fabric_mod_name + "_queue_status(struct se_cmd *se_cmd)\n"
512 buf += "{\n"
513 buf += " return 0;\n"
514 buf += "}\n\n"
515 bufi += "int " + fabric_mod_name + "_queue_status(struct se_cmd *);\n"
516
517 if re.search('queue_tm_rsp\)\(', fo):
Nicholas Bellinger67e51da2014-12-23 00:32:21 -0800518 buf += "void " + fabric_mod_name + "_queue_tm_rsp(struct se_cmd *se_cmd)\n"
Nicholas Bellingerc66ac9d2010-12-17 11:11:26 -0800519 buf += "{\n"
Nicholas Bellinger67e51da2014-12-23 00:32:21 -0800520 buf += " return;\n"
Nicholas Bellingerc66ac9d2010-12-17 11:11:26 -0800521 buf += "}\n\n"
Nicholas Bellinger67e51da2014-12-23 00:32:21 -0800522 bufi += "void " + fabric_mod_name + "_queue_tm_rsp(struct se_cmd *);\n"
Nicholas Bellingerc66ac9d2010-12-17 11:11:26 -0800523
Nicholas Bellinger67e51da2014-12-23 00:32:21 -0800524 if re.search('aborted_task\)\(', fo):
525 buf += "void " + fabric_mod_name + "_aborted_task(struct se_cmd *se_cmd)\n"
Nicholas Bellingerc66ac9d2010-12-17 11:11:26 -0800526 buf += "{\n"
Nicholas Bellinger67e51da2014-12-23 00:32:21 -0800527 buf += " return;\n"
Nicholas Bellingerc66ac9d2010-12-17 11:11:26 -0800528 buf += "}\n\n"
Nicholas Bellinger67e51da2014-12-23 00:32:21 -0800529 bufi += "void " + fabric_mod_name + "_aborted_task(struct se_cmd *);\n"
Nicholas Bellingerc66ac9d2010-12-17 11:11:26 -0800530
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 = ""
Nicholas Bellinger10635c82011-03-14 04:05:57 -0700547 f = fabric_mod_dir_var + "/Makefile"
Nicholas Bellingerc66ac9d2010-12-17 11:11:26 -0800548 print "Writing file: " + f
549
550 p = open(f, 'w')
551 if not p:
552 tcm_mod_err("Unable to open file: " + f)
553
Nicholas Bellingerc66ac9d2010-12-17 11:11:26 -0800554 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"
Nicholas Bellinger10635c82011-03-14 04:05:57 -0700591 kbuild = tcm_dir + "/drivers/target/Makefile"
Nicholas Bellingerc66ac9d2010-12-17 11:11:26 -0800592
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
Nicholas Bellinger67e51da2014-12-23 00:32:21 -0800637 input = raw_input("Would you like to add " + fabric_mod_name + " to drivers/target/Makefile..? [yes,no]: ")
Nicholas Bellingerc66ac9d2010-12-17 11:11:26 -0800638 if input == "yes" or input == "y":
639 tcm_mod_add_kbuild(tcm_dir, fabric_mod_name)
640
Nicholas Bellinger67e51da2014-12-23 00:32:21 -0800641 input = raw_input("Would you like to add " + fabric_mod_name + " to drivers/target/Kconfig..? [yes,no]: ")
Nicholas Bellingerc66ac9d2010-12-17 11:11:26 -0800642 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)