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 += "static const struct target_core_fabric_ops " + fabric_mod_name + "_ops;\n\n"
241
242	buf += "static struct se_node_acl *" + fabric_mod_name + "_make_nodeacl(\n"
243	buf += "	struct se_portal_group *se_tpg,\n"
244	buf += "	struct config_group *group,\n"
245	buf += "	const char *name)\n"
246	buf += "{\n"
247	buf += "	struct se_node_acl *se_nacl, *se_nacl_new;\n"
248	buf += "	struct " + fabric_mod_name + "_nacl *nacl;\n"
249
250	if proto_ident == "FC" or proto_ident == "SAS":
251		buf += "	u64 wwpn = 0;\n"
252
253	buf += "	u32 nexus_depth;\n\n"
254	buf += "	/* " + fabric_mod_name + "_parse_wwn(name, &wwpn, 1) < 0)\n"
255	buf += "		return ERR_PTR(-EINVAL); */\n"
256	buf += "	se_nacl_new = " + fabric_mod_name + "_alloc_fabric_acl(se_tpg);\n"
257	buf += "	if (!se_nacl_new)\n"
258	buf += "		return ERR_PTR(-ENOMEM);\n"
259	buf += "//#warning FIXME: Hardcoded nexus depth in " + fabric_mod_name + "_make_nodeacl()\n"
260	buf += "	nexus_depth = 1;\n"
261	buf += "	/*\n"
262	buf += "	 * se_nacl_new may be released by core_tpg_add_initiator_node_acl()\n"
263	buf += "	 * when converting a NodeACL from demo mode -> explict\n"
264	buf += "	 */\n"
265	buf += "	se_nacl = core_tpg_add_initiator_node_acl(se_tpg, se_nacl_new,\n"
266	buf += "				name, nexus_depth);\n"
267	buf += "	if (IS_ERR(se_nacl)) {\n"
268	buf += "		" + fabric_mod_name + "_release_fabric_acl(se_tpg, se_nacl_new);\n"
269	buf += "		return se_nacl;\n"
270	buf += "	}\n"
271	buf += "	/*\n"
272	buf += "	 * Locate our struct " + fabric_mod_name + "_nacl and set the FC Nport WWPN\n"
273	buf += "	 */\n"
274	buf += "	nacl = container_of(se_nacl, struct " + fabric_mod_name + "_nacl, se_node_acl);\n"
275
276	if proto_ident == "FC" or proto_ident == "SAS":
277		buf += "	nacl->" + fabric_mod_init_port + "_wwpn = wwpn;\n"
278
279	buf += "	/* " + fabric_mod_name + "_format_wwn(&nacl->" + fabric_mod_init_port + "_name[0], " + fabric_mod_name.upper() + "_NAMELEN, wwpn); */\n\n"
280	buf += "	return se_nacl;\n"
281	buf += "}\n\n"
282	buf += "static void " + fabric_mod_name + "_drop_nodeacl(struct se_node_acl *se_acl)\n"
283	buf += "{\n"
284	buf += "	struct " + fabric_mod_name + "_nacl *nacl = container_of(se_acl,\n"
285	buf += "				struct " + fabric_mod_name + "_nacl, se_node_acl);\n"
286	buf += "	core_tpg_del_initiator_node_acl(se_acl->se_tpg, se_acl, 1);\n"
287	buf += "	kfree(nacl);\n"
288	buf += "}\n\n"
289
290	buf += "static struct se_portal_group *" + fabric_mod_name + "_make_tpg(\n"
291	buf += "	struct se_wwn *wwn,\n"
292	buf += "	struct config_group *group,\n"
293	buf += "	const char *name)\n"
294	buf += "{\n"
295	buf += "	struct " + fabric_mod_name + "_" + fabric_mod_port + "*" + fabric_mod_port + " = container_of(wwn,\n"
296	buf += "			struct " + fabric_mod_name + "_" + fabric_mod_port + ", " + fabric_mod_port + "_wwn);\n\n"
297	buf += "	struct " + fabric_mod_name + "_tpg *tpg;\n"
298	buf += "	unsigned long tpgt;\n"
299	buf += "	int ret;\n\n"
300	buf += "	if (strstr(name, \"tpgt_\") != name)\n"
301	buf += "		return ERR_PTR(-EINVAL);\n"
302	buf += "	if (kstrtoul(name + 5, 10, &tpgt) || tpgt > UINT_MAX)\n"
303	buf += "		return ERR_PTR(-EINVAL);\n\n"
304	buf += "	tpg = kzalloc(sizeof(struct " + fabric_mod_name + "_tpg), GFP_KERNEL);\n"
305	buf += "	if (!tpg) {\n"
306	buf += "		printk(KERN_ERR \"Unable to allocate struct " + fabric_mod_name + "_tpg\");\n"
307	buf += "		return ERR_PTR(-ENOMEM);\n"
308	buf += "	}\n"
309	buf += "	tpg->" + fabric_mod_port + " = " + fabric_mod_port + ";\n"
310	buf += "	tpg->" + fabric_mod_port + "_tpgt = tpgt;\n\n"
311	buf += "	ret = core_tpg_register(&" + fabric_mod_name + "_ops, wwn,\n"
312	buf += "				&tpg->se_tpg, tpg,\n"
313	buf += "				TRANSPORT_TPG_TYPE_NORMAL);\n"
314	buf += "	if (ret < 0) {\n"
315	buf += "		kfree(tpg);\n"
316	buf += "		return NULL;\n"
317	buf += "	}\n"
318	buf += "	return &tpg->se_tpg;\n"
319	buf += "}\n\n"
320	buf += "static void " + fabric_mod_name + "_drop_tpg(struct se_portal_group *se_tpg)\n"
321	buf += "{\n"
322	buf += "	struct " + fabric_mod_name + "_tpg *tpg = container_of(se_tpg,\n"
323	buf += "				struct " + fabric_mod_name + "_tpg, se_tpg);\n\n"
324	buf += "	core_tpg_deregister(se_tpg);\n"
325	buf += "	kfree(tpg);\n"
326	buf += "}\n\n"
327
328	buf += "static struct se_wwn *" + fabric_mod_name + "_make_" + fabric_mod_port + "(\n"
329	buf += "	struct target_fabric_configfs *tf,\n"
330	buf += "	struct config_group *group,\n"
331	buf += "	const char *name)\n"
332	buf += "{\n"
333	buf += "	struct " + fabric_mod_name + "_" + fabric_mod_port + " *" + fabric_mod_port + ";\n"
334
335	if proto_ident == "FC" or proto_ident == "SAS":
336		buf += "	u64 wwpn = 0;\n\n"
337
338	buf += "	/* if (" + fabric_mod_name + "_parse_wwn(name, &wwpn, 1) < 0)\n"
339	buf += "		return ERR_PTR(-EINVAL); */\n\n"
340	buf += "	" + fabric_mod_port + " = kzalloc(sizeof(struct " + fabric_mod_name + "_" + fabric_mod_port + "), GFP_KERNEL);\n"
341	buf += "	if (!" + fabric_mod_port + ") {\n"
342	buf += "		printk(KERN_ERR \"Unable to allocate struct " + fabric_mod_name + "_" + fabric_mod_port + "\");\n"
343	buf += "		return ERR_PTR(-ENOMEM);\n"
344	buf += "	}\n"
345
346	if proto_ident == "FC" or proto_ident == "SAS":
347		buf += "	" + fabric_mod_port + "->" + fabric_mod_port + "_wwpn = wwpn;\n"
348
349	buf += "	/* " + fabric_mod_name + "_format_wwn(&" + fabric_mod_port + "->" + fabric_mod_port + "_name[0], " + fabric_mod_name.upper() + "_NAMELEN, wwpn); */\n\n"
350	buf += "	return &" + fabric_mod_port + "->" + fabric_mod_port + "_wwn;\n"
351	buf += "}\n\n"
352	buf += "static void " + fabric_mod_name + "_drop_" + fabric_mod_port + "(struct se_wwn *wwn)\n"
353	buf += "{\n"
354	buf += "	struct " + fabric_mod_name + "_" + fabric_mod_port + " *" + fabric_mod_port + " = container_of(wwn,\n"
355	buf += "				struct " + fabric_mod_name + "_" + fabric_mod_port + ", " + fabric_mod_port + "_wwn);\n"
356	buf += "	kfree(" + fabric_mod_port + ");\n"
357	buf += "}\n\n"
358	buf += "static ssize_t " + fabric_mod_name + "_wwn_show_attr_version(\n"
359	buf += "	struct target_fabric_configfs *tf,\n"
360	buf += "	char *page)\n"
361	buf += "{\n"
362	buf += "	return sprintf(page, \"" + fabric_mod_name.upper() + " fabric module %s on %s/%s\"\n"
363	buf += "		\"on \"UTS_RELEASE\"\\n\", " + fabric_mod_name.upper() + "_VERSION, utsname()->sysname,\n"
364	buf += "		utsname()->machine);\n"
365	buf += "}\n\n"
366	buf += "TF_WWN_ATTR_RO(" + fabric_mod_name + ", version);\n\n"
367	buf += "static struct configfs_attribute *" + fabric_mod_name + "_wwn_attrs[] = {\n"
368	buf += "	&" + fabric_mod_name + "_wwn_version.attr,\n"
369	buf += "	NULL,\n"
370	buf += "};\n\n"
371
372	buf += "static const struct target_core_fabric_ops " + fabric_mod_name + "_ops = {\n"
373	buf += "	.module				= THIS_MODULE,\n"
374	buf += "	.name				= " + fabric_mod_name + ",\n"
375	buf += "	.get_fabric_proto_ident		= " + fabric_mod_name + "_get_fabric_proto_ident,\n"
376	buf += "	.get_fabric_name		= " + fabric_mod_name + "_get_fabric_name,\n"
377	buf += "	.get_fabric_proto_ident		= " + fabric_mod_name + "_get_fabric_proto_ident,\n"
378	buf += "	.tpg_get_wwn			= " + fabric_mod_name + "_get_fabric_wwn,\n"
379	buf += "	.tpg_get_tag			= " + fabric_mod_name + "_get_tag,\n"
380	buf += "	.tpg_get_default_depth		= " + fabric_mod_name + "_get_default_depth,\n"
381	buf += "	.tpg_get_pr_transport_id	= " + fabric_mod_name + "_get_pr_transport_id,\n"
382	buf += "	.tpg_get_pr_transport_id_len	= " + fabric_mod_name + "_get_pr_transport_id_len,\n"
383	buf += "	.tpg_parse_pr_out_transport_id	= " + fabric_mod_name + "_parse_pr_out_transport_id,\n"
384	buf += "	.tpg_check_demo_mode		= " + fabric_mod_name + "_check_false,\n"
385	buf += "	.tpg_check_demo_mode_cache	= " + fabric_mod_name + "_check_true,\n"
386	buf += "	.tpg_check_demo_mode_write_protect = " + fabric_mod_name + "_check_true,\n"
387	buf += "	.tpg_check_prod_mode_write_protect = " + fabric_mod_name + "_check_false,\n"
388	buf += "	.tpg_alloc_fabric_acl		= " + fabric_mod_name + "_alloc_fabric_acl,\n"
389	buf += "	.tpg_release_fabric_acl		= " + fabric_mod_name + "_release_fabric_acl,\n"
390	buf += "	.tpg_get_inst_index		= " + fabric_mod_name + "_tpg_get_inst_index,\n"
391	buf += "	.release_cmd			= " + fabric_mod_name + "_release_cmd,\n"
392	buf += "	.shutdown_session		= " + fabric_mod_name + "_shutdown_session,\n"
393	buf += "	.close_session			= " + fabric_mod_name + "_close_session,\n"
394	buf += "	.sess_get_index			= " + fabric_mod_name + "_sess_get_index,\n"
395	buf += "	.sess_get_initiator_sid		= NULL,\n"
396	buf += "	.write_pending			= " + fabric_mod_name + "_write_pending,\n"
397	buf += "	.write_pending_status		= " + fabric_mod_name + "_write_pending_status,\n"
398	buf += "	.set_default_node_attributes	= " + fabric_mod_name + "_set_default_node_attrs,\n"
399	buf += "	.get_task_tag			= " + fabric_mod_name + "_get_task_tag,\n"
400	buf += "	.get_cmd_state			= " + fabric_mod_name + "_get_cmd_state,\n"
401	buf += "	.queue_data_in			= " + fabric_mod_name + "_queue_data_in,\n"
402	buf += "	.queue_status			= " + fabric_mod_name + "_queue_status,\n"
403	buf += "	.queue_tm_rsp			= " + fabric_mod_name + "_queue_tm_rsp,\n"
404	buf += "	.aborted_task			= " + fabric_mod_name + "_aborted_task,\n"
405	buf += "	/*\n"
406	buf += "	 * Setup function pointers for generic logic in target_core_fabric_configfs.c\n"
407	buf += "	 */\n"
408	buf += "	.fabric_make_wwn		= " + fabric_mod_name + "_make_" + fabric_mod_port + ",\n"
409	buf += "	.fabric_drop_wwn		= " + fabric_mod_name + "_drop_" + fabric_mod_port + ",\n"
410	buf += "	.fabric_make_tpg		= " + fabric_mod_name + "_make_tpg,\n"
411	buf += "	.fabric_drop_tpg		= " + fabric_mod_name + "_drop_tpg,\n"
412	buf += "	.fabric_post_link		= NULL,\n"
413	buf += "	.fabric_pre_unlink		= NULL,\n"
414	buf += "	.fabric_make_np			= NULL,\n"
415	buf += "	.fabric_drop_np			= NULL,\n"
416	buf += "	.fabric_make_nodeacl		= " + fabric_mod_name + "_make_nodeacl,\n"
417	buf += "	.fabric_drop_nodeacl		= " + fabric_mod_name + "_drop_nodeacl,\n"
418	buf += "\n"
419	buf += "	.tfc_wwn_attrs			= " + fabric_mod_name + "_wwn_attrs;\n"
420	buf += "};\n\n"
421
422	buf += "static int __init " + fabric_mod_name + "_init(void)\n"
423	buf += "{\n"
424	buf += "	return target_register_template(" + fabric_mod_name + "_ops);\n"
425	buf += "};\n\n"
426
427	buf += "static void __exit " + fabric_mod_name + "_exit(void)\n"
428	buf += "{\n"
429	buf += "	target_unregister_template(" + fabric_mod_name + "_ops);\n"
430	buf += "};\n\n"
431
432	buf += "MODULE_DESCRIPTION(\"" + fabric_mod_name.upper() + " series fabric driver\");\n"
433	buf += "MODULE_LICENSE(\"GPL\");\n"
434	buf += "module_init(" + fabric_mod_name + "_init);\n"
435	buf += "module_exit(" + fabric_mod_name + "_exit);\n"
436
437	ret = p.write(buf)
438	if ret:
439		tcm_mod_err("Unable to write f: " + f)
440
441	p.close()
442
443	return
444
445def tcm_mod_scan_fabric_ops(tcm_dir):
446
447	fabric_ops_api = tcm_dir + "include/target/target_core_fabric.h"
448
449	print "Using tcm_mod_scan_fabric_ops: " + fabric_ops_api
450	process_fo = 0;
451
452	p = open(fabric_ops_api, 'r')
453
454	line = p.readline()
455	while line:
456		if process_fo == 0 and re.search('struct target_core_fabric_ops {', line):
457			line = p.readline()
458			continue
459
460		if process_fo == 0:
461			process_fo = 1;
462			line = p.readline()
463			# Search for function pointer
464			if not re.search('\(\*', line):
465				continue
466
467			fabric_ops.append(line.rstrip())
468			continue
469
470		line = p.readline()
471		# Search for function pointer
472		if not re.search('\(\*', line):
473			continue
474
475		fabric_ops.append(line.rstrip())
476
477	p.close()
478	return
479
480def tcm_mod_dump_fabric_ops(proto_ident, fabric_mod_dir_var, fabric_mod_name):
481	buf = ""
482	bufi = ""
483
484	f = fabric_mod_dir_var + "/" + fabric_mod_name + "_fabric.c"
485	print "Writing file: " + f
486
487	p = open(f, 'w')
488	if not p:
489		tcm_mod_err("Unable to open file: " + f)
490
491	fi = fabric_mod_dir_var + "/" + fabric_mod_name + "_fabric.h"
492	print "Writing file: " + fi
493
494	pi = open(fi, 'w')
495	if not pi:
496		tcm_mod_err("Unable to open file: " + fi)
497
498	buf = "#include <linux/slab.h>\n"
499	buf += "#include <linux/kthread.h>\n"
500	buf += "#include <linux/types.h>\n"
501	buf += "#include <linux/list.h>\n"
502	buf += "#include <linux/types.h>\n"
503	buf += "#include <linux/string.h>\n"
504	buf += "#include <linux/ctype.h>\n"
505	buf += "#include <asm/unaligned.h>\n"
506	buf += "#include <scsi/scsi.h>\n"
507	buf += "#include <scsi/scsi_host.h>\n"
508	buf += "#include <scsi/scsi_device.h>\n"
509	buf += "#include <scsi/scsi_cmnd.h>\n"
510	buf += "#include <scsi/libfc.h>\n\n"
511	buf += "#include <target/target_core_base.h>\n"
512	buf += "#include <target/target_core_fabric.h>\n"
513	buf += "#include <target/target_core_configfs.h>\n\n"
514	buf += "#include \"" + fabric_mod_name + "_base.h\"\n"
515	buf += "#include \"" + fabric_mod_name + "_fabric.h\"\n\n"
516
517	buf += "int " + fabric_mod_name + "_check_true(struct se_portal_group *se_tpg)\n"
518	buf += "{\n"
519	buf += "	return 1;\n"
520	buf += "}\n\n"
521	bufi += "int " + fabric_mod_name + "_check_true(struct se_portal_group *);\n"
522
523	buf += "int " + fabric_mod_name + "_check_false(struct se_portal_group *se_tpg)\n"
524	buf += "{\n"
525	buf += "	return 0;\n"
526	buf += "}\n\n"
527	bufi += "int " + fabric_mod_name + "_check_false(struct se_portal_group *);\n"
528
529	total_fabric_ops = len(fabric_ops)
530	i = 0
531
532	while i < total_fabric_ops:
533		fo = fabric_ops[i]
534		i += 1
535#		print "fabric_ops: " + fo
536
537		if re.search('get_fabric_name', fo):
538			buf += "char *" + fabric_mod_name + "_get_fabric_name(void)\n"
539			buf += "{\n"
540			buf += "	return \"" + fabric_mod_name + "\";\n"
541			buf += "}\n\n"
542			bufi += "char *" + fabric_mod_name + "_get_fabric_name(void);\n"
543			continue
544
545		if re.search('get_fabric_proto_ident', fo):
546			buf += "u8 " + fabric_mod_name + "_get_fabric_proto_ident(struct se_portal_group *se_tpg)\n"
547			buf += "{\n"
548			buf += "	struct " + fabric_mod_name + "_tpg *tpg = container_of(se_tpg,\n"
549			buf += "				struct " + fabric_mod_name + "_tpg, se_tpg);\n"
550			buf += "	struct " + fabric_mod_name + "_" + fabric_mod_port + " *" + fabric_mod_port + " = tpg->" + fabric_mod_port + ";\n"
551			buf += "	u8 proto_id;\n\n"
552			buf += "	switch (" + fabric_mod_port + "->" + fabric_mod_port + "_proto_id) {\n"
553			if proto_ident == "FC":
554				buf += "	case SCSI_PROTOCOL_FCP:\n"
555				buf += "	default:\n"
556				buf += "		proto_id = fc_get_fabric_proto_ident(se_tpg);\n"
557				buf += "		break;\n"
558			elif proto_ident == "SAS":
559				buf += "	case SCSI_PROTOCOL_SAS:\n"
560				buf += "	default:\n"
561				buf += "		proto_id = sas_get_fabric_proto_ident(se_tpg);\n"
562				buf += "		break;\n"
563			elif proto_ident == "iSCSI":
564				buf += "	case SCSI_PROTOCOL_ISCSI:\n"
565				buf += "	default:\n"
566				buf += "		proto_id = iscsi_get_fabric_proto_ident(se_tpg);\n"
567				buf += "		break;\n"
568
569			buf += "	}\n\n"
570			buf += "	return proto_id;\n"
571			buf += "}\n\n"
572			bufi += "u8 " + fabric_mod_name + "_get_fabric_proto_ident(struct se_portal_group *);\n"
573
574		if re.search('get_wwn', fo):
575			buf += "char *" + fabric_mod_name + "_get_fabric_wwn(struct se_portal_group *se_tpg)\n"
576			buf += "{\n"
577			buf += "	struct " + fabric_mod_name + "_tpg *tpg = container_of(se_tpg,\n"
578			buf += "				struct " + fabric_mod_name + "_tpg, se_tpg);\n"
579			buf += "	struct " + fabric_mod_name + "_" + fabric_mod_port + " *" + fabric_mod_port + " = tpg->" + fabric_mod_port + ";\n\n"
580			buf += "	return &" + fabric_mod_port + "->" + fabric_mod_port + "_name[0];\n"
581			buf += "}\n\n"
582			bufi += "char *" + fabric_mod_name + "_get_fabric_wwn(struct se_portal_group *);\n"
583
584		if re.search('get_tag', fo):
585			buf += "u16 " + fabric_mod_name + "_get_tag(struct se_portal_group *se_tpg)\n"
586			buf += "{\n"
587			buf += "	struct " + fabric_mod_name + "_tpg *tpg = container_of(se_tpg,\n"
588			buf += "				struct " + fabric_mod_name + "_tpg, se_tpg);\n"
589			buf += "	return tpg->" + fabric_mod_port + "_tpgt;\n"
590			buf += "}\n\n"
591			bufi += "u16 " + fabric_mod_name + "_get_tag(struct se_portal_group *);\n"
592
593		if re.search('get_default_depth', fo):
594			buf += "u32 " + fabric_mod_name + "_get_default_depth(struct se_portal_group *se_tpg)\n"
595			buf += "{\n"
596			buf += "	return 1;\n"
597			buf += "}\n\n"
598			bufi += "u32 " + fabric_mod_name + "_get_default_depth(struct se_portal_group *);\n"
599
600		if re.search('get_pr_transport_id\)\(', fo):
601			buf += "u32 " + fabric_mod_name + "_get_pr_transport_id(\n"
602			buf += "	struct se_portal_group *se_tpg,\n"
603			buf += "	struct se_node_acl *se_nacl,\n"
604			buf += "	struct t10_pr_registration *pr_reg,\n"
605			buf += "	int *format_code,\n"
606			buf += "	unsigned char *buf)\n"
607			buf += "{\n"
608			buf += "	struct " + fabric_mod_name + "_tpg *tpg = container_of(se_tpg,\n"
609			buf += "				struct " + fabric_mod_name + "_tpg, se_tpg);\n"
610			buf += "	struct " + fabric_mod_name + "_" + fabric_mod_port + " *" + fabric_mod_port + " = tpg->" + fabric_mod_port + ";\n"
611			buf += "	int ret = 0;\n\n"
612			buf += "	switch (" + fabric_mod_port + "->" + fabric_mod_port + "_proto_id) {\n"
613			if proto_ident == "FC":
614				buf += "	case SCSI_PROTOCOL_FCP:\n"
615				buf += "	default:\n"
616				buf += "		ret = fc_get_pr_transport_id(se_tpg, se_nacl, pr_reg,\n"
617				buf += "					format_code, buf);\n"
618				buf += "		break;\n"
619			elif proto_ident == "SAS":
620				buf += "	case SCSI_PROTOCOL_SAS:\n"
621				buf += "	default:\n"
622				buf += "		ret = sas_get_pr_transport_id(se_tpg, se_nacl, pr_reg,\n"
623				buf += "					format_code, buf);\n"
624				buf += "		break;\n"
625			elif proto_ident == "iSCSI":
626				buf += "	case SCSI_PROTOCOL_ISCSI:\n"
627				buf += "	default:\n"
628				buf += "		ret = iscsi_get_pr_transport_id(se_tpg, se_nacl, pr_reg,\n"
629				buf += "					format_code, buf);\n"
630				buf += "		break;\n"
631
632			buf += "	}\n\n"
633			buf += "	return ret;\n"
634			buf += "}\n\n"
635			bufi += "u32 " + fabric_mod_name + "_get_pr_transport_id(struct se_portal_group *,\n"
636			bufi += "			struct se_node_acl *, struct t10_pr_registration *,\n"
637			bufi += "			int *, unsigned char *);\n"
638
639		if re.search('get_pr_transport_id_len\)\(', fo):
640			buf += "u32 " + fabric_mod_name + "_get_pr_transport_id_len(\n"
641			buf += "	struct se_portal_group *se_tpg,\n"
642			buf += "	struct se_node_acl *se_nacl,\n"
643			buf += "	struct t10_pr_registration *pr_reg,\n"
644			buf += "	int *format_code)\n"
645			buf += "{\n"
646			buf += "	struct " + fabric_mod_name + "_tpg *tpg = container_of(se_tpg,\n"
647			buf += "				struct " + fabric_mod_name + "_tpg, se_tpg);\n"
648			buf += "	struct " + fabric_mod_name + "_" + fabric_mod_port + " *" + fabric_mod_port + " = tpg->" + fabric_mod_port + ";\n"
649			buf += "	int ret = 0;\n\n"
650			buf += "	switch (" + fabric_mod_port + "->" + fabric_mod_port + "_proto_id) {\n"
651			if proto_ident == "FC":
652				buf += "	case SCSI_PROTOCOL_FCP:\n"
653				buf += "	default:\n"
654				buf += "		ret = fc_get_pr_transport_id_len(se_tpg, se_nacl, pr_reg,\n"
655				buf += "					format_code);\n"
656				buf += "		break;\n"
657			elif proto_ident == "SAS":
658				buf += "	case SCSI_PROTOCOL_SAS:\n"
659				buf += "	default:\n"
660				buf += "		ret = sas_get_pr_transport_id_len(se_tpg, se_nacl, pr_reg,\n"
661				buf += "					format_code);\n"
662				buf += "		break;\n"
663			elif proto_ident == "iSCSI":
664				buf += "	case SCSI_PROTOCOL_ISCSI:\n"
665				buf += "	default:\n"
666				buf += "		ret = iscsi_get_pr_transport_id_len(se_tpg, se_nacl, pr_reg,\n"
667				buf += "					format_code);\n"
668				buf += "		break;\n"
669
670
671			buf += "	}\n\n"
672			buf += "	return ret;\n"
673			buf += "}\n\n"
674			bufi += "u32 " + fabric_mod_name + "_get_pr_transport_id_len(struct se_portal_group *,\n"
675			bufi += "			struct se_node_acl *, struct t10_pr_registration *,\n"
676			bufi += "			int *);\n"
677
678		if re.search('parse_pr_out_transport_id\)\(', fo):
679			buf += "char *" + fabric_mod_name + "_parse_pr_out_transport_id(\n"
680			buf += "	struct se_portal_group *se_tpg,\n"
681			buf += "	const char *buf,\n"
682			buf += "	u32 *out_tid_len,\n"
683			buf += "	char **port_nexus_ptr)\n"
684			buf += "{\n"
685			buf += "	struct " + fabric_mod_name + "_tpg *tpg = container_of(se_tpg,\n"
686			buf += "				struct " + fabric_mod_name + "_tpg, se_tpg);\n"
687			buf += "	struct " + fabric_mod_name + "_" + fabric_mod_port + " *" + fabric_mod_port + " = tpg->" + fabric_mod_port + ";\n"
688			buf += "	char *tid = NULL;\n\n"
689			buf += "	switch (" + fabric_mod_port + "->" + fabric_mod_port + "_proto_id) {\n"
690			if proto_ident == "FC":
691				buf += "	case SCSI_PROTOCOL_FCP:\n"
692				buf += "	default:\n"
693				buf += "		tid = fc_parse_pr_out_transport_id(se_tpg, buf, out_tid_len,\n"
694				buf += "					port_nexus_ptr);\n"
695			elif proto_ident == "SAS":
696				buf += "	case SCSI_PROTOCOL_SAS:\n"
697				buf += "	default:\n"
698				buf += "		tid = sas_parse_pr_out_transport_id(se_tpg, buf, out_tid_len,\n"
699				buf += "					port_nexus_ptr);\n"
700			elif proto_ident == "iSCSI":
701				buf += "	case SCSI_PROTOCOL_ISCSI:\n"
702				buf += "	default:\n"
703				buf += "		tid = iscsi_parse_pr_out_transport_id(se_tpg, buf, out_tid_len,\n"
704				buf += "					port_nexus_ptr);\n"
705
706			buf += "	}\n\n"
707			buf += "	return tid;\n"
708			buf += "}\n\n"
709			bufi += "char *" + fabric_mod_name + "_parse_pr_out_transport_id(struct se_portal_group *,\n"
710			bufi +=	"			const char *, u32 *, char **);\n"
711
712		if re.search('alloc_fabric_acl\)\(', fo):
713			buf += "struct se_node_acl *" + fabric_mod_name + "_alloc_fabric_acl(struct se_portal_group *se_tpg)\n"
714			buf += "{\n"
715			buf += "	struct " + fabric_mod_name + "_nacl *nacl;\n\n"
716			buf += "	nacl = kzalloc(sizeof(struct " + fabric_mod_name + "_nacl), GFP_KERNEL);\n"
717			buf += "	if (!nacl) {\n"
718			buf += "		printk(KERN_ERR \"Unable to allocate struct " + fabric_mod_name + "_nacl\\n\");\n"
719			buf += "		return NULL;\n"
720			buf += "	}\n\n"
721			buf += "	return &nacl->se_node_acl;\n"
722			buf += "}\n\n"
723			bufi += "struct se_node_acl *" + fabric_mod_name + "_alloc_fabric_acl(struct se_portal_group *);\n"
724
725		if re.search('release_fabric_acl\)\(', fo):
726			buf += "void " + fabric_mod_name + "_release_fabric_acl(\n"
727			buf += "	struct se_portal_group *se_tpg,\n"
728			buf += "	struct se_node_acl *se_nacl)\n"
729			buf += "{\n"
730			buf += "	struct " + fabric_mod_name + "_nacl *nacl = container_of(se_nacl,\n"
731			buf += "			struct " + fabric_mod_name + "_nacl, se_node_acl);\n"
732			buf += "	kfree(nacl);\n"
733			buf += "}\n\n"
734			bufi += "void " + fabric_mod_name + "_release_fabric_acl(struct se_portal_group *,\n"
735			bufi +=	"			struct se_node_acl *);\n"
736
737		if re.search('tpg_get_inst_index\)\(', fo):
738			buf += "u32 " + fabric_mod_name + "_tpg_get_inst_index(struct se_portal_group *se_tpg)\n"
739			buf += "{\n"
740			buf += "	return 1;\n"
741			buf += "}\n\n"
742			bufi += "u32 " + fabric_mod_name + "_tpg_get_inst_index(struct se_portal_group *);\n"
743
744		if re.search('\*release_cmd\)\(', fo):
745			buf += "void " + fabric_mod_name + "_release_cmd(struct se_cmd *se_cmd)\n"
746			buf += "{\n"
747			buf += "	return;\n"
748			buf += "}\n\n"
749			bufi += "void " + fabric_mod_name + "_release_cmd(struct se_cmd *);\n"
750
751		if re.search('shutdown_session\)\(', fo):
752			buf += "int " + fabric_mod_name + "_shutdown_session(struct se_session *se_sess)\n"
753			buf += "{\n"
754			buf += "	return 0;\n"
755			buf += "}\n\n"
756			bufi += "int " + fabric_mod_name + "_shutdown_session(struct se_session *);\n"
757
758		if re.search('close_session\)\(', fo):
759			buf += "void " + fabric_mod_name + "_close_session(struct se_session *se_sess)\n"
760			buf += "{\n"
761			buf += "	return;\n"
762			buf += "}\n\n"
763			bufi += "void " + fabric_mod_name + "_close_session(struct se_session *);\n"
764
765		if re.search('sess_get_index\)\(', fo):
766			buf += "u32 " + fabric_mod_name + "_sess_get_index(struct se_session *se_sess)\n"
767			buf += "{\n"
768			buf += "	return 0;\n"
769			buf += "}\n\n"
770			bufi += "u32 " + fabric_mod_name + "_sess_get_index(struct se_session *);\n"
771
772		if re.search('write_pending\)\(', fo):
773			buf += "int " + fabric_mod_name + "_write_pending(struct se_cmd *se_cmd)\n"
774			buf += "{\n"
775			buf += "	return 0;\n"
776			buf += "}\n\n"
777			bufi += "int " + fabric_mod_name + "_write_pending(struct se_cmd *);\n"
778
779		if re.search('write_pending_status\)\(', fo):
780			buf += "int " + fabric_mod_name + "_write_pending_status(struct se_cmd *se_cmd)\n"
781			buf += "{\n"
782			buf += "	return 0;\n"
783			buf += "}\n\n"
784			bufi += "int " + fabric_mod_name + "_write_pending_status(struct se_cmd *);\n"
785
786		if re.search('set_default_node_attributes\)\(', fo):
787			buf += "void " + fabric_mod_name + "_set_default_node_attrs(struct se_node_acl *nacl)\n"
788			buf += "{\n"
789			buf += "	return;\n"
790			buf += "}\n\n"
791			bufi += "void " + fabric_mod_name + "_set_default_node_attrs(struct se_node_acl *);\n"
792
793		if re.search('get_task_tag\)\(', fo):
794			buf += "u32 " + fabric_mod_name + "_get_task_tag(struct se_cmd *se_cmd)\n"
795			buf += "{\n"
796			buf += "	return 0;\n"
797			buf += "}\n\n"
798			bufi += "u32 " + fabric_mod_name + "_get_task_tag(struct se_cmd *);\n"
799
800		if re.search('get_cmd_state\)\(', fo):
801			buf += "int " + fabric_mod_name + "_get_cmd_state(struct se_cmd *se_cmd)\n"
802			buf += "{\n"
803			buf += "	return 0;\n"
804			buf += "}\n\n"
805			bufi += "int " + fabric_mod_name + "_get_cmd_state(struct se_cmd *);\n"
806
807		if re.search('queue_data_in\)\(', fo):
808			buf += "int " + fabric_mod_name + "_queue_data_in(struct se_cmd *se_cmd)\n"
809			buf += "{\n"
810			buf += "	return 0;\n"
811			buf += "}\n\n"
812			bufi += "int " + fabric_mod_name + "_queue_data_in(struct se_cmd *);\n"
813
814		if re.search('queue_status\)\(', fo):
815			buf += "int " + fabric_mod_name + "_queue_status(struct se_cmd *se_cmd)\n"
816			buf += "{\n"
817			buf += "	return 0;\n"
818			buf += "}\n\n"
819			bufi += "int " + fabric_mod_name + "_queue_status(struct se_cmd *);\n"
820
821		if re.search('queue_tm_rsp\)\(', fo):
822			buf += "void " + fabric_mod_name + "_queue_tm_rsp(struct se_cmd *se_cmd)\n"
823			buf += "{\n"
824			buf += "	return;\n"
825			buf += "}\n\n"
826			bufi += "void " + fabric_mod_name + "_queue_tm_rsp(struct se_cmd *);\n"
827
828		if re.search('aborted_task\)\(', fo):
829			buf += "void " + fabric_mod_name + "_aborted_task(struct se_cmd *se_cmd)\n"
830			buf += "{\n"
831			buf += "	return;\n"
832			buf += "}\n\n"
833			bufi += "void " + fabric_mod_name + "_aborted_task(struct se_cmd *);\n"
834
835	ret = p.write(buf)
836	if ret:
837		tcm_mod_err("Unable to write f: " + f)
838
839	p.close()
840
841	ret = pi.write(bufi)
842	if ret:
843		tcm_mod_err("Unable to write fi: " + fi)
844
845	pi.close()
846	return
847
848def tcm_mod_build_kbuild(fabric_mod_dir_var, fabric_mod_name):
849
850	buf = ""
851	f = fabric_mod_dir_var + "/Makefile"
852	print "Writing file: " + f
853
854	p = open(f, 'w')
855	if not p:
856		tcm_mod_err("Unable to open file: " + f)
857
858	buf += fabric_mod_name + "-objs			:= " + fabric_mod_name + "_fabric.o \\\n"
859	buf += "					   " + fabric_mod_name + "_configfs.o\n"
860	buf += "obj-$(CONFIG_" + fabric_mod_name.upper() + ")		+= " + fabric_mod_name + ".o\n"
861
862	ret = p.write(buf)
863	if ret:
864		tcm_mod_err("Unable to write f: " + f)
865
866	p.close()
867	return
868
869def tcm_mod_build_kconfig(fabric_mod_dir_var, fabric_mod_name):
870
871	buf = ""
872	f = fabric_mod_dir_var + "/Kconfig"
873	print "Writing file: " + f
874
875	p = open(f, 'w')
876	if not p:
877		tcm_mod_err("Unable to open file: " + f)
878
879	buf = "config " + fabric_mod_name.upper() + "\n"
880	buf += "	tristate \"" + fabric_mod_name.upper() + " fabric module\"\n"
881	buf += "	depends on TARGET_CORE && CONFIGFS_FS\n"
882	buf += "	default n\n"
883	buf += "	---help---\n"
884	buf += "	Say Y here to enable the " + fabric_mod_name.upper() + " fabric module\n"
885
886	ret = p.write(buf)
887	if ret:
888		tcm_mod_err("Unable to write f: " + f)
889
890	p.close()
891	return
892
893def tcm_mod_add_kbuild(tcm_dir, fabric_mod_name):
894	buf = "obj-$(CONFIG_" + fabric_mod_name.upper() + ")	+= " + fabric_mod_name.lower() + "/\n"
895	kbuild = tcm_dir + "/drivers/target/Makefile"
896
897	f = open(kbuild, 'a')
898	f.write(buf)
899	f.close()
900	return
901
902def tcm_mod_add_kconfig(tcm_dir, fabric_mod_name):
903	buf = "source \"drivers/target/" + fabric_mod_name.lower() + "/Kconfig\"\n"
904	kconfig = tcm_dir + "/drivers/target/Kconfig"
905
906	f = open(kconfig, 'a')
907	f.write(buf)
908	f.close()
909	return
910
911def main(modname, proto_ident):
912#	proto_ident = "FC"
913#	proto_ident = "SAS"
914#	proto_ident = "iSCSI"
915
916	tcm_dir = os.getcwd();
917	tcm_dir += "/../../"
918	print "tcm_dir: " + tcm_dir
919	fabric_mod_name = modname
920	fabric_mod_dir = tcm_dir + "drivers/target/" + fabric_mod_name
921	print "Set fabric_mod_name: " + fabric_mod_name
922	print "Set fabric_mod_dir: " + fabric_mod_dir
923	print "Using proto_ident: " + proto_ident
924
925	if proto_ident != "FC" and proto_ident != "SAS" and proto_ident != "iSCSI":
926		print "Unsupported proto_ident: " + proto_ident
927		sys.exit(1)
928
929	ret = tcm_mod_create_module_subdir(fabric_mod_dir)
930	if ret:
931		print "tcm_mod_create_module_subdir() failed because module already exists!"
932		sys.exit(1)
933
934	tcm_mod_build_base_includes(proto_ident, fabric_mod_dir, fabric_mod_name)
935	tcm_mod_scan_fabric_ops(tcm_dir)
936	tcm_mod_dump_fabric_ops(proto_ident, fabric_mod_dir, fabric_mod_name)
937	tcm_mod_build_configfs(proto_ident, fabric_mod_dir, fabric_mod_name)
938	tcm_mod_build_kbuild(fabric_mod_dir, fabric_mod_name)
939	tcm_mod_build_kconfig(fabric_mod_dir, fabric_mod_name)
940
941	input = raw_input("Would you like to add " + fabric_mod_name + " to drivers/target/Makefile..? [yes,no]: ")
942	if input == "yes" or input == "y":
943		tcm_mod_add_kbuild(tcm_dir, fabric_mod_name)
944
945	input = raw_input("Would you like to add " + fabric_mod_name + " to drivers/target/Kconfig..? [yes,no]: ")
946	if input == "yes" or input == "y":
947		tcm_mod_add_kconfig(tcm_dir, fabric_mod_name)
948
949	return
950
951parser = optparse.OptionParser()
952parser.add_option('-m', '--modulename', help='Module name', dest='modname',
953		action='store', nargs=1, type='string')
954parser.add_option('-p', '--protoident', help='Protocol Ident', dest='protoident',
955		action='store', nargs=1, type='string')
956
957(opts, args) = parser.parse_args()
958
959mandatories = ['modname', 'protoident']
960for m in mandatories:
961	if not opts.__dict__[m]:
962		print "mandatory option is missing\n"
963		parser.print_help()
964		exit(-1)
965
966if __name__ == "__main__":
967
968	main(str(opts.modname), opts.protoident)
969