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c66ac9db NB |
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 | # | |
9 | import os, sys | |
10 | import subprocess as sub | |
11 | import string | |
12 | import re | |
13 | import optparse | |
14 | ||
15 | tcm_dir = "" | |
16 | ||
17 | fabric_ops = [] | |
18 | fabric_mod_dir = "" | |
19 | fabric_mod_port = "" | |
20 | fabric_mod_init_port = "" | |
21 | ||
22 | def tcm_mod_err(msg): | |
23 | print msg | |
24 | sys.exit(1) | |
25 | ||
26 | def 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 | ||
38 | def 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" | |
c66ac9db NB |
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" | |
c66ac9db NB |
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 | ||
82 | def 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" | |
c66ac9db NB |
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" | |
c66ac9db NB |
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 | ||
125 | def 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" | |
c66ac9db NB |
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" | |
c66ac9db NB |
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 | ||
166 | def 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 | ||
180 | def 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" | |
c4cfdd81 SH |
202 | buf += "#include <asm/unaligned.h>\n" |
203 | buf += "#include <scsi/scsi_proto.h>\n\n" | |
c66ac9db | 204 | buf += "#include <target/target_core_base.h>\n" |
c4795fb2 | 205 | buf += "#include <target/target_core_fabric.h>\n" |
10635c8b NB |
206 | buf += "#include \"" + fabric_mod_name + "_base.h\"\n" |
207 | buf += "#include \"" + fabric_mod_name + "_fabric.h\"\n\n" | |
c66ac9db | 208 | |
9ac8928e | 209 | buf += "static const struct target_core_fabric_ops " + fabric_mod_name + "_ops;\n\n" |
c66ac9db | 210 | |
c66ac9db NB |
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" | |
0ab943bf | 223 | buf += " if (kstrtoul(name + 5, 10, &tpgt) || tpgt > UINT_MAX)\n" |
c66ac9db NB |
224 | buf += " return ERR_PTR(-EINVAL);\n\n" |
225 | buf += " tpg = kzalloc(sizeof(struct " + fabric_mod_name + "_tpg), GFP_KERNEL);\n" | |
ced38c8c | 226 | buf += " if (!tpg) {\n" |
c66ac9db NB |
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" | |
c4cfdd81 SH |
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 | ||
c66ac9db NB |
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" | |
ced38c8c | 267 | buf += " if (!" + fabric_mod_port + ") {\n" |
c66ac9db NB |
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 | ||
ced38c8c | 275 | buf += " /* " + fabric_mod_name + "_format_wwn(&" + fabric_mod_port + "->" + fabric_mod_port + "_name[0], " + fabric_mod_name.upper() + "_NAMELEN, wwpn); */\n\n" |
c66ac9db NB |
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" | |
c66ac9db | 284 | |
9ac8928e | 285 | buf += "static const struct target_core_fabric_ops " + fabric_mod_name + "_ops = {\n" |
65204c84 | 286 | buf += " .module = THIS_MODULE,\n" |
c4cfdd81 | 287 | buf += " .name = \"" + fabric_mod_name + "\",\n" |
c66ac9db | 288 | buf += " .get_fabric_name = " + fabric_mod_name + "_get_fabric_name,\n" |
c66ac9db NB |
289 | buf += " .tpg_get_wwn = " + fabric_mod_name + "_get_fabric_wwn,\n" |
290 | buf += " .tpg_get_tag = " + fabric_mod_name + "_get_tag,\n" | |
c66ac9db NB |
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" | |
c66ac9db | 295 | buf += " .tpg_get_inst_index = " + fabric_mod_name + "_tpg_get_inst_index,\n" |
77271de6 | 296 | buf += " .release_cmd = " + fabric_mod_name + "_release_cmd,\n" |
c66ac9db NB |
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" | |
c66ac9db | 302 | buf += " .get_cmd_state = " + fabric_mod_name + "_get_cmd_state,\n" |
c66ac9db NB |
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" | |
67e51daa | 306 | buf += " .aborted_task = " + fabric_mod_name + "_aborted_task,\n" |
c66ac9db NB |
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" | |
c66ac9db NB |
314 | buf += "};\n\n" |
315 | ||
316 | buf += "static int __init " + fabric_mod_name + "_init(void)\n" | |
317 | buf += "{\n" | |
c4cfdd81 | 318 | buf += " return target_register_template(&" + fabric_mod_name + "_ops);\n" |
c66ac9db | 319 | buf += "};\n\n" |
9ac8928e | 320 | |
ced38c8c | 321 | buf += "static void __exit " + fabric_mod_name + "_exit(void)\n" |
c66ac9db | 322 | buf += "{\n" |
c4cfdd81 | 323 | buf += " target_unregister_template(&" + fabric_mod_name + "_ops);\n" |
c66ac9db NB |
324 | buf += "};\n\n" |
325 | ||
c66ac9db NB |
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" | |
c66ac9db NB |
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 | ||
339 | def tcm_mod_scan_fabric_ops(tcm_dir): | |
340 | ||
c4795fb2 | 341 | fabric_ops_api = tcm_dir + "include/target/target_core_fabric.h" |
c66ac9db NB |
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 | ||
374 | def 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" | |
ba929992 BVA |
400 | buf += "#include <scsi/scsi_common.h>\n" |
401 | buf += "#include <scsi/scsi_proto.h>\n" | |
c66ac9db | 402 | buf += "#include <target/target_core_base.h>\n" |
c4795fb2 | 403 | buf += "#include <target/target_core_fabric.h>\n" |
10635c8b NB |
404 | buf += "#include \"" + fabric_mod_name + "_base.h\"\n" |
405 | buf += "#include \"" + fabric_mod_name + "_fabric.h\"\n\n" | |
c66ac9db NB |
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" | |
67e51daa | 430 | buf += " return \"" + fabric_mod_name + "\";\n" |
c66ac9db NB |
431 | buf += "}\n\n" |
432 | bufi += "char *" + fabric_mod_name + "_get_fabric_name(void);\n" | |
433 | continue | |
434 | ||
c66ac9db NB |
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 | ||
c66ac9db NB |
454 | if re.search('tpg_get_inst_index\)\(', fo): |
455 | buf += "u32 " + fabric_mod_name + "_tpg_get_inst_index(struct se_portal_group *se_tpg)\n" | |
456 | buf += "{\n" | |
457 | buf += " return 1;\n" | |
458 | buf += "}\n\n" | |
459 | bufi += "u32 " + fabric_mod_name + "_tpg_get_inst_index(struct se_portal_group *);\n" | |
460 | ||
77271de6 | 461 | if re.search('\*release_cmd\)\(', fo): |
c66ac9db NB |
462 | buf += "void " + fabric_mod_name + "_release_cmd(struct se_cmd *se_cmd)\n" |
463 | buf += "{\n" | |
464 | buf += " return;\n" | |
465 | buf += "}\n\n" | |
466 | bufi += "void " + fabric_mod_name + "_release_cmd(struct se_cmd *);\n" | |
467 | ||
c66ac9db NB |
468 | if re.search('sess_get_index\)\(', fo): |
469 | buf += "u32 " + fabric_mod_name + "_sess_get_index(struct se_session *se_sess)\n" | |
470 | buf += "{\n" | |
471 | buf += " return 0;\n" | |
472 | buf += "}\n\n" | |
473 | bufi += "u32 " + fabric_mod_name + "_sess_get_index(struct se_session *);\n" | |
474 | ||
475 | if re.search('write_pending\)\(', fo): | |
476 | buf += "int " + fabric_mod_name + "_write_pending(struct se_cmd *se_cmd)\n" | |
477 | buf += "{\n" | |
478 | buf += " return 0;\n" | |
479 | buf += "}\n\n" | |
480 | bufi += "int " + fabric_mod_name + "_write_pending(struct se_cmd *);\n" | |
481 | ||
482 | if re.search('write_pending_status\)\(', fo): | |
483 | buf += "int " + fabric_mod_name + "_write_pending_status(struct se_cmd *se_cmd)\n" | |
484 | buf += "{\n" | |
485 | buf += " return 0;\n" | |
486 | buf += "}\n\n" | |
487 | bufi += "int " + fabric_mod_name + "_write_pending_status(struct se_cmd *);\n" | |
488 | ||
489 | if re.search('set_default_node_attributes\)\(', fo): | |
490 | buf += "void " + fabric_mod_name + "_set_default_node_attrs(struct se_node_acl *nacl)\n" | |
491 | buf += "{\n" | |
492 | buf += " return;\n" | |
493 | buf += "}\n\n" | |
494 | bufi += "void " + fabric_mod_name + "_set_default_node_attrs(struct se_node_acl *);\n" | |
495 | ||
c66ac9db NB |
496 | if re.search('get_cmd_state\)\(', fo): |
497 | buf += "int " + fabric_mod_name + "_get_cmd_state(struct se_cmd *se_cmd)\n" | |
498 | buf += "{\n" | |
499 | buf += " return 0;\n" | |
500 | buf += "}\n\n" | |
501 | bufi += "int " + fabric_mod_name + "_get_cmd_state(struct se_cmd *);\n" | |
502 | ||
c66ac9db NB |
503 | if re.search('queue_data_in\)\(', fo): |
504 | buf += "int " + fabric_mod_name + "_queue_data_in(struct se_cmd *se_cmd)\n" | |
505 | buf += "{\n" | |
506 | buf += " return 0;\n" | |
507 | buf += "}\n\n" | |
508 | bufi += "int " + fabric_mod_name + "_queue_data_in(struct se_cmd *);\n" | |
509 | ||
510 | if re.search('queue_status\)\(', fo): | |
511 | buf += "int " + fabric_mod_name + "_queue_status(struct se_cmd *se_cmd)\n" | |
512 | buf += "{\n" | |
513 | buf += " return 0;\n" | |
514 | buf += "}\n\n" | |
515 | bufi += "int " + fabric_mod_name + "_queue_status(struct se_cmd *);\n" | |
516 | ||
517 | if re.search('queue_tm_rsp\)\(', fo): | |
67e51daa | 518 | buf += "void " + fabric_mod_name + "_queue_tm_rsp(struct se_cmd *se_cmd)\n" |
c66ac9db | 519 | buf += "{\n" |
67e51daa | 520 | buf += " return;\n" |
c66ac9db | 521 | buf += "}\n\n" |
67e51daa | 522 | bufi += "void " + fabric_mod_name + "_queue_tm_rsp(struct se_cmd *);\n" |
c66ac9db | 523 | |
67e51daa NB |
524 | if re.search('aborted_task\)\(', fo): |
525 | buf += "void " + fabric_mod_name + "_aborted_task(struct se_cmd *se_cmd)\n" | |
c66ac9db | 526 | buf += "{\n" |
67e51daa | 527 | buf += " return;\n" |
c66ac9db | 528 | buf += "}\n\n" |
67e51daa | 529 | bufi += "void " + fabric_mod_name + "_aborted_task(struct se_cmd *);\n" |
c66ac9db NB |
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 | ||
544 | def tcm_mod_build_kbuild(fabric_mod_dir_var, fabric_mod_name): | |
545 | ||
546 | buf = "" | |
10635c8b | 547 | f = fabric_mod_dir_var + "/Makefile" |
c66ac9db NB |
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 | ||
c66ac9db NB |
554 | buf += fabric_mod_name + "-objs := " + fabric_mod_name + "_fabric.o \\\n" |
555 | buf += " " + fabric_mod_name + "_configfs.o\n" | |
556 | buf += "obj-$(CONFIG_" + fabric_mod_name.upper() + ") += " + fabric_mod_name + ".o\n" | |
557 | ||
558 | ret = p.write(buf) | |
559 | if ret: | |
560 | tcm_mod_err("Unable to write f: " + f) | |
561 | ||
562 | p.close() | |
563 | return | |
564 | ||
565 | def tcm_mod_build_kconfig(fabric_mod_dir_var, fabric_mod_name): | |
566 | ||
567 | buf = "" | |
568 | f = fabric_mod_dir_var + "/Kconfig" | |
569 | print "Writing file: " + f | |
570 | ||
571 | p = open(f, 'w') | |
572 | if not p: | |
573 | tcm_mod_err("Unable to open file: " + f) | |
574 | ||
575 | buf = "config " + fabric_mod_name.upper() + "\n" | |
576 | buf += " tristate \"" + fabric_mod_name.upper() + " fabric module\"\n" | |
577 | buf += " depends on TARGET_CORE && CONFIGFS_FS\n" | |
578 | buf += " default n\n" | |
579 | buf += " ---help---\n" | |
580 | buf += " Say Y here to enable the " + fabric_mod_name.upper() + " fabric module\n" | |
581 | ||
582 | ret = p.write(buf) | |
583 | if ret: | |
584 | tcm_mod_err("Unable to write f: " + f) | |
585 | ||
586 | p.close() | |
587 | return | |
588 | ||
589 | def tcm_mod_add_kbuild(tcm_dir, fabric_mod_name): | |
590 | buf = "obj-$(CONFIG_" + fabric_mod_name.upper() + ") += " + fabric_mod_name.lower() + "/\n" | |
10635c8b | 591 | kbuild = tcm_dir + "/drivers/target/Makefile" |
c66ac9db NB |
592 | |
593 | f = open(kbuild, 'a') | |
594 | f.write(buf) | |
595 | f.close() | |
596 | return | |
597 | ||
598 | def 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 | ||
607 | def 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 | ||
67e51daa | 637 | input = raw_input("Would you like to add " + fabric_mod_name + " to drivers/target/Makefile..? [yes,no]: ") |
c66ac9db NB |
638 | if input == "yes" or input == "y": |
639 | tcm_mod_add_kbuild(tcm_dir, fabric_mod_name) | |
640 | ||
67e51daa | 641 | input = raw_input("Would you like to add " + fabric_mod_name + " to drivers/target/Kconfig..? [yes,no]: ") |
c66ac9db NB |
642 | if input == "yes" or input == "y": |
643 | tcm_mod_add_kconfig(tcm_dir, fabric_mod_name) | |
644 | ||
645 | return | |
646 | ||
647 | parser = optparse.OptionParser() | |
648 | parser.add_option('-m', '--modulename', help='Module name', dest='modname', | |
649 | action='store', nargs=1, type='string') | |
650 | parser.add_option('-p', '--protoident', help='Protocol Ident', dest='protoident', | |
651 | action='store', nargs=1, type='string') | |
652 | ||
653 | (opts, args) = parser.parse_args() | |
654 | ||
655 | mandatories = ['modname', 'protoident'] | |
656 | for m in mandatories: | |
657 | if not opts.__dict__[m]: | |
658 | print "mandatory option is missing\n" | |
659 | parser.print_help() | |
660 | exit(-1) | |
661 | ||
662 | if __name__ == "__main__": | |
663 | ||
664 | main(str(opts.modname), opts.protoident) |