Commit 7bcf5778 authored by Rong Tao's avatar Rong Tao Committed by Martin K. Petersen
Browse files

scsi: target: docs: Remove tcm_mod_builder.py 



This script is not used and requires additional development to sync with
the SCSI target code.

Signed-off-by: default avatarRong Tao <rongtao@cestc.cn>
Link: https://lore.kernel.org/r/tencent_58D7935159C421036421B42CD04B0A959207@qq.com


Reviewed-by: default avatarBart Van Assche <bvanassche@acm.org>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent 40863cb9

Documentation/target/scripts.rst

+0 −6
Original line number Diff line number Diff line 
TCM mod builder script

----------------------



.. literalinclude:: tcm_mod_builder.py

    :language: perl



Target export device script

---------------------------

Documentation/target/tcm_mod_builder.py

deleted100755 → 0
+0 −656
Original line number Diff line number Diff line 
#!/usr/bin/env python

# The TCM v4 multi-protocol fabric module generation script for drivers/target/$NEW_MOD

#

# Copyright (c) 2010 Rising Tide Systems

# Copyright (c) 2010 Linux-iSCSI.org

#

# Author: nab@kernel.org

#

import os, sys

import subprocess as sub

import string

import re

import optparse



tcm_dir = ""



fabric_ops = []

fabric_mod_dir = ""

fabric_mod_port = ""

fabric_mod_init_port = ""



def tcm_mod_err(msg):

	print msg

	sys.exit(1)



def tcm_mod_create_module_subdir(fabric_mod_dir_var):



	if os.path.isdir(fabric_mod_dir_var) == True:

		return 1



	print "Creating fabric_mod_dir: " + fabric_mod_dir_var

	ret = os.mkdir(fabric_mod_dir_var)

	if ret:

		tcm_mod_err("Unable to mkdir " + fabric_mod_dir_var)



	return



def tcm_mod_build_FC_include(fabric_mod_dir_var, fabric_mod_name):

	global fabric_mod_port

	global fabric_mod_init_port

	buf = ""



	f = fabric_mod_dir_var + "/" + fabric_mod_name + "_base.h"

	print "Writing file: " + f



	p = open(f, 'w');

	if not p:

		tcm_mod_err("Unable to open file: " + f)



	buf = "#define " + fabric_mod_name.upper() + "_VERSION	\"v0.1\"\n"

	buf += "#define " + fabric_mod_name.upper() + "_NAMELEN	32\n"

	buf += "\n"

	buf += "struct " + fabric_mod_name + "_tpg {\n"

	buf += "	/* FC lport target portal group tag for TCM */\n"

	buf += "	u16 lport_tpgt;\n"

	buf += "	/* Pointer back to " + fabric_mod_name + "_lport */\n"

	buf += "	struct " + fabric_mod_name + "_lport *lport;\n"

	buf += "	/* Returned by " + fabric_mod_name + "_make_tpg() */\n"

	buf += "	struct se_portal_group se_tpg;\n"

	buf += "};\n"

	buf += "\n"

	buf += "struct " + fabric_mod_name + "_lport {\n"

	buf += "	/* Binary World Wide unique Port Name for FC Target Lport */\n"

	buf += "	u64 lport_wwpn;\n"

	buf += "	/* ASCII formatted WWPN for FC Target Lport */\n"

	buf += "	char lport_name[" + fabric_mod_name.upper() + "_NAMELEN];\n"

	buf += "	/* Returned by " + fabric_mod_name + "_make_lport() */\n"

	buf += "	struct se_wwn lport_wwn;\n"

	buf += "};\n"



	ret = p.write(buf)

	if ret:

		tcm_mod_err("Unable to write f: " + f)



	p.close()



	fabric_mod_port = "lport"

	fabric_mod_init_port = "nport"



	return



def tcm_mod_build_SAS_include(fabric_mod_dir_var, fabric_mod_name):

	global fabric_mod_port

	global fabric_mod_init_port

	buf = ""



	f = fabric_mod_dir_var + "/" + fabric_mod_name + "_base.h"

	print "Writing file: " + f



	p = open(f, 'w');

	if not p:

		tcm_mod_err("Unable to open file: " + f)



	buf = "#define " + fabric_mod_name.upper() + "_VERSION  \"v0.1\"\n"

	buf += "#define " + fabric_mod_name.upper() + "_NAMELEN 32\n"

	buf += "\n"

	buf += "struct " + fabric_mod_name + "_tpg {\n"

	buf += "	/* SAS port target portal group tag for TCM */\n"

	buf += "	u16 tport_tpgt;\n"

	buf += "	/* Pointer back to " + fabric_mod_name + "_tport */\n"

	buf += "	struct " + fabric_mod_name + "_tport *tport;\n"

	buf += "	/* Returned by " + fabric_mod_name + "_make_tpg() */\n"

	buf += "	struct se_portal_group se_tpg;\n"

	buf += "};\n\n"

	buf += "struct " + fabric_mod_name + "_tport {\n"

	buf += "	/* Binary World Wide unique Port Name for SAS Target port */\n"

	buf += "	u64 tport_wwpn;\n"

	buf += "	/* ASCII formatted WWPN for SAS Target port */\n"

	buf += "	char tport_name[" + fabric_mod_name.upper() + "_NAMELEN];\n"

	buf += "	/* Returned by " + fabric_mod_name + "_make_tport() */\n"

	buf += "	struct se_wwn tport_wwn;\n"

	buf += "};\n"



	ret = p.write(buf)

	if ret:

		tcm_mod_err("Unable to write f: " + f)



	p.close()



	fabric_mod_port = "tport"

	fabric_mod_init_port = "iport"



	return



def tcm_mod_build_iSCSI_include(fabric_mod_dir_var, fabric_mod_name):

	global fabric_mod_port

	global fabric_mod_init_port

	buf = ""



	f = fabric_mod_dir_var + "/" + fabric_mod_name + "_base.h"

	print "Writing file: " + f



	p = open(f, 'w');

	if not p:

		tcm_mod_err("Unable to open file: " + f)



	buf = "#define " + fabric_mod_name.upper() + "_VERSION  \"v0.1\"\n"

	buf += "#define " + fabric_mod_name.upper() + "_NAMELEN 32\n"

	buf += "\n"

	buf += "struct " + fabric_mod_name + "_tpg {\n"

	buf += "	/* iSCSI target portal group tag for TCM */\n"

	buf += "	u16 tport_tpgt;\n"

	buf += "	/* Pointer back to " + fabric_mod_name + "_tport */\n"

	buf += "	struct " + fabric_mod_name + "_tport *tport;\n"

	buf += "	/* Returned by " + fabric_mod_name + "_make_tpg() */\n"

	buf += "	struct se_portal_group se_tpg;\n"

	buf += "};\n\n"

	buf += "struct " + fabric_mod_name + "_tport {\n"

	buf += "	/* ASCII formatted TargetName for IQN */\n"

	buf += "	char tport_name[" + fabric_mod_name.upper() + "_NAMELEN];\n"

	buf += "	/* Returned by " + fabric_mod_name + "_make_tport() */\n"

	buf += "	struct se_wwn tport_wwn;\n"

	buf += "};\n"



	ret = p.write(buf)

	if ret:

		tcm_mod_err("Unable to write f: " + f)



	p.close()



	fabric_mod_port = "tport"

	fabric_mod_init_port = "iport"



	return



def tcm_mod_build_base_includes(proto_ident, fabric_mod_dir_val, fabric_mod_name):



	if proto_ident == "FC":

		tcm_mod_build_FC_include(fabric_mod_dir_val, fabric_mod_name)

	elif proto_ident == "SAS":

		tcm_mod_build_SAS_include(fabric_mod_dir_val, fabric_mod_name)

	elif proto_ident == "iSCSI":

		tcm_mod_build_iSCSI_include(fabric_mod_dir_val, fabric_mod_name)

	else:

		print "Unsupported proto_ident: " + proto_ident

		sys.exit(1)



	return



def tcm_mod_build_configfs(proto_ident, fabric_mod_dir_var, fabric_mod_name):

	buf = ""



	f = fabric_mod_dir_var + "/" + fabric_mod_name + "_configfs.c"

	print "Writing file: " + f



        p = open(f, 'w');

        if not p:

                tcm_mod_err("Unable to open file: " + f)



	buf = "#include <linux/module.h>\n"

	buf += "#include <linux/moduleparam.h>\n"

	buf += "#include <linux/version.h>\n"

	buf += "#include <generated/utsrelease.h>\n"

	buf += "#include <linux/utsname.h>\n"

	buf += "#include <linux/init.h>\n"

	buf += "#include <linux/slab.h>\n"

	buf += "#include <linux/kthread.h>\n"

	buf += "#include <linux/types.h>\n"

	buf += "#include <linux/string.h>\n"

	buf += "#include <linux/configfs.h>\n"

	buf += "#include <linux/ctype.h>\n"

	buf += "#include <asm/unaligned.h>\n"

	buf += "#include <scsi/scsi_proto.h>\n\n"

	buf += "#include <target/target_core_base.h>\n"

	buf += "#include <target/target_core_fabric.h>\n"

	buf += "#include \"" + fabric_mod_name + "_base.h\"\n"

	buf += "#include \"" + fabric_mod_name + "_fabric.h\"\n\n"



	buf += "static const struct target_core_fabric_ops " + fabric_mod_name + "_ops;\n\n"



	buf += "static struct se_portal_group *" + fabric_mod_name + "_make_tpg(\n"

	buf += "	struct se_wwn *wwn,\n"

	buf += "	struct config_group *group,\n"

	buf += "	const char *name)\n"

	buf += "{\n"

	buf += "	struct " + fabric_mod_name + "_" + fabric_mod_port + "*" + fabric_mod_port + " = container_of(wwn,\n"

	buf += "			struct " + fabric_mod_name + "_" + fabric_mod_port + ", " + fabric_mod_port + "_wwn);\n\n"

	buf += "	struct " + fabric_mod_name + "_tpg *tpg;\n"

	buf += "	unsigned long tpgt;\n"

	buf += "	int ret;\n\n"

	buf += "	if (strstr(name, \"tpgt_\") != name)\n"

	buf += "		return ERR_PTR(-EINVAL);\n"

	buf += "	if (kstrtoul(name + 5, 10, &tpgt) || tpgt > UINT_MAX)\n"

	buf += "		return ERR_PTR(-EINVAL);\n\n"

	buf += "	tpg = kzalloc(sizeof(struct " + fabric_mod_name + "_tpg), GFP_KERNEL);\n"

	buf += "	if (!tpg) {\n"

	buf += "		printk(KERN_ERR \"Unable to allocate struct " + fabric_mod_name + "_tpg\");\n"

	buf += "		return ERR_PTR(-ENOMEM);\n"

	buf += "	}\n"

	buf += "	tpg->" + fabric_mod_port + " = " + fabric_mod_port + ";\n"

	buf += "	tpg->" + fabric_mod_port + "_tpgt = tpgt;\n\n"



	if proto_ident == "FC":

		buf += "	ret = core_tpg_register(wwn, &tpg->se_tpg, SCSI_PROTOCOL_FCP);\n"

	elif proto_ident == "SAS":

		buf += "	ret = core_tpg_register(wwn, &tpg->se_tpg, SCSI_PROTOCOL_SAS);\n"

	elif proto_ident == "iSCSI":

		buf += "	ret = core_tpg_register(wwn, &tpg->se_tpg, SCSI_PROTOCOL_ISCSI);\n"



	buf += "	if (ret < 0) {\n"

	buf += "		kfree(tpg);\n"

	buf += "		return NULL;\n"

	buf += "	}\n"

	buf += "	return &tpg->se_tpg;\n"

	buf += "}\n\n"

	buf += "static void " + fabric_mod_name + "_drop_tpg(struct se_portal_group *se_tpg)\n"

	buf += "{\n"

	buf += "	struct " + fabric_mod_name + "_tpg *tpg = container_of(se_tpg,\n"

	buf += "				struct " + fabric_mod_name + "_tpg, se_tpg);\n\n"

	buf += "	core_tpg_deregister(se_tpg);\n"

	buf += "	kfree(tpg);\n"

	buf += "}\n\n"



	buf += "static struct se_wwn *" + fabric_mod_name + "_make_" + fabric_mod_port + "(\n"

	buf += "	struct target_fabric_configfs *tf,\n"

	buf += "	struct config_group *group,\n"

	buf += "	const char *name)\n"

	buf += "{\n"

	buf += "	struct " + fabric_mod_name + "_" + fabric_mod_port + " *" + fabric_mod_port + ";\n"



	if proto_ident == "FC" or proto_ident == "SAS":

		buf += "	u64 wwpn = 0;\n\n"



	buf += "	/* if (" + fabric_mod_name + "_parse_wwn(name, &wwpn, 1) < 0)\n"

	buf += "		return ERR_PTR(-EINVAL); */\n\n"

	buf += "	" + fabric_mod_port + " = kzalloc(sizeof(struct " + fabric_mod_name + "_" + fabric_mod_port + "), GFP_KERNEL);\n"

	buf += "	if (!" + fabric_mod_port + ") {\n"

	buf += "		printk(KERN_ERR \"Unable to allocate struct " + fabric_mod_name + "_" + fabric_mod_port + "\");\n"

	buf += "		return ERR_PTR(-ENOMEM);\n"

	buf += "	}\n"



	if proto_ident == "FC" or proto_ident == "SAS":

		buf += "	" + fabric_mod_port + "->" + fabric_mod_port + "_wwpn = wwpn;\n"



	buf += "	/* " + fabric_mod_name + "_format_wwn(&" + fabric_mod_port + "->" + fabric_mod_port + "_name[0], " + fabric_mod_name.upper() + "_NAMELEN, wwpn); */\n\n"

	buf += "	return &" + fabric_mod_port + "->" + fabric_mod_port + "_wwn;\n"

	buf += "}\n\n"

	buf += "static void " + fabric_mod_name + "_drop_" + fabric_mod_port + "(struct se_wwn *wwn)\n"

	buf += "{\n"

	buf += "	struct " + fabric_mod_name + "_" + fabric_mod_port + " *" + fabric_mod_port + " = container_of(wwn,\n"

	buf += "				struct " + fabric_mod_name + "_" + fabric_mod_port + ", " + fabric_mod_port + "_wwn);\n"

	buf += "	kfree(" + fabric_mod_port + ");\n"

	buf += "}\n\n"



	buf += "static const struct target_core_fabric_ops " + fabric_mod_name + "_ops = {\n"

	buf += "	.module				= THIS_MODULE,\n"

	buf += "	.name				= \"" + fabric_mod_name + "\",\n"

	buf += "	.get_fabric_name		= " + fabric_mod_name + "_get_fabric_name,\n"

	buf += "	.tpg_get_wwn			= " + fabric_mod_name + "_get_fabric_wwn,\n"

	buf += "	.tpg_get_tag			= " + fabric_mod_name + "_get_tag,\n"

	buf += "	.tpg_check_demo_mode		= " + fabric_mod_name + "_check_false,\n"

	buf += "	.tpg_check_demo_mode_cache	= " + fabric_mod_name + "_check_true,\n"

	buf += "	.tpg_check_demo_mode_write_protect = " + fabric_mod_name + "_check_true,\n"

	buf += "	.tpg_check_prod_mode_write_protect = " + fabric_mod_name + "_check_false,\n"

	buf += "	.tpg_get_inst_index		= " + fabric_mod_name + "_tpg_get_inst_index,\n"

	buf += "	.release_cmd			= " + fabric_mod_name + "_release_cmd,\n"

	buf += "	.sess_get_index			= " + fabric_mod_name + "_sess_get_index,\n"

	buf += "	.sess_get_initiator_sid		= NULL,\n"

	buf += "	.write_pending			= " + fabric_mod_name + "_write_pending,\n"

	buf += "	.set_default_node_attributes	= " + fabric_mod_name + "_set_default_node_attrs,\n"

	buf += "	.get_cmd_state			= " + fabric_mod_name + "_get_cmd_state,\n"

	buf += "	.queue_data_in			= " + fabric_mod_name + "_queue_data_in,\n"

	buf += "	.queue_status			= " + fabric_mod_name + "_queue_status,\n"

	buf += "	.queue_tm_rsp			= " + fabric_mod_name + "_queue_tm_rsp,\n"

	buf += "	.aborted_task			= " + fabric_mod_name + "_aborted_task,\n"

	buf += "	/*\n"

	buf += "	 * Setup function pointers for generic logic in target_core_fabric_configfs.c\n"

	buf += "	 */\n"

	buf += "	.fabric_make_wwn		= " + fabric_mod_name + "_make_" + fabric_mod_port + ",\n"

	buf += "	.fabric_drop_wwn		= " + fabric_mod_name + "_drop_" + fabric_mod_port + ",\n"

	buf += "	.fabric_make_tpg		= " + fabric_mod_name + "_make_tpg,\n"

	buf += "	.fabric_drop_tpg		= " + fabric_mod_name + "_drop_tpg,\n"

	buf += "};\n\n"



	buf += "static int __init " + fabric_mod_name + "_init(void)\n"

	buf += "{\n"

	buf += "	return target_register_template(&" + fabric_mod_name + "_ops);\n"

	buf += "};\n\n"



	buf += "static void __exit " + fabric_mod_name + "_exit(void)\n"

	buf += "{\n"

	buf += "	target_unregister_template(&" + fabric_mod_name + "_ops);\n"

	buf += "};\n\n"



	buf += "MODULE_DESCRIPTION(\"" + fabric_mod_name.upper() + " series fabric driver\");\n"

	buf += "MODULE_LICENSE(\"GPL\");\n"

	buf += "module_init(" + fabric_mod_name + "_init);\n"

	buf += "module_exit(" + fabric_mod_name + "_exit);\n"



	ret = p.write(buf)

	if ret:

		tcm_mod_err("Unable to write f: " + f)



	p.close()



	return



def tcm_mod_scan_fabric_ops(tcm_dir):



	fabric_ops_api = tcm_dir + "include/target/target_core_fabric.h"



	print "Using tcm_mod_scan_fabric_ops: " + fabric_ops_api

	process_fo = 0;



	p = open(fabric_ops_api, 'r')



	line = p.readline()

	while line:

		if process_fo == 0 and re.search('struct target_core_fabric_ops {', line):

			line = p.readline()

			continue



		if process_fo == 0:

			process_fo = 1;

			line = p.readline()

			# Search for function pointer

			if not re.search('\(\*', line):

				continue



			fabric_ops.append(line.rstrip())

			continue



		line = p.readline()

		# Search for function pointer

		if not re.search('\(\*', line):

			continue



		fabric_ops.append(line.rstrip())



	p.close()

	return



def tcm_mod_dump_fabric_ops(proto_ident, fabric_mod_dir_var, fabric_mod_name):

	buf = ""

	bufi = ""



	f = fabric_mod_dir_var + "/" + fabric_mod_name + "_fabric.c"

	print "Writing file: " + f



	p = open(f, 'w')

	if not p:

		tcm_mod_err("Unable to open file: " + f)



	fi = fabric_mod_dir_var + "/" + fabric_mod_name + "_fabric.h"

	print "Writing file: " + fi



	pi = open(fi, 'w')

	if not pi:

		tcm_mod_err("Unable to open file: " + fi)



	buf = "#include <linux/slab.h>\n"

	buf += "#include <linux/kthread.h>\n"

	buf += "#include <linux/types.h>\n"

	buf += "#include <linux/list.h>\n"

	buf += "#include <linux/types.h>\n"

	buf += "#include <linux/string.h>\n"

	buf += "#include <linux/ctype.h>\n"

	buf += "#include <asm/unaligned.h>\n"

	buf += "#include <scsi/scsi_common.h>\n"

	buf += "#include <scsi/scsi_proto.h>\n"

	buf += "#include <target/target_core_base.h>\n"

	buf += "#include <target/target_core_fabric.h>\n"

	buf += "#include \"" + fabric_mod_name + "_base.h\"\n"

	buf += "#include \"" + fabric_mod_name + "_fabric.h\"\n\n"



	buf += "int " + fabric_mod_name + "_check_true(struct se_portal_group *se_tpg)\n"

	buf += "{\n"

	buf += "	return 1;\n"

	buf += "}\n\n"

	bufi += "int " + fabric_mod_name + "_check_true(struct se_portal_group *);\n"



	buf += "int " + fabric_mod_name + "_check_false(struct se_portal_group *se_tpg)\n"

	buf += "{\n"

	buf += "	return 0;\n"

	buf += "}\n\n"

	bufi += "int " + fabric_mod_name + "_check_false(struct se_portal_group *);\n"



	total_fabric_ops = len(fabric_ops)

	i = 0



	while i < total_fabric_ops:

		fo = fabric_ops[i]

		i += 1

#		print "fabric_ops: " + fo



		if re.search('get_fabric_name', fo):

			buf += "char *" + fabric_mod_name + "_get_fabric_name(void)\n"

			buf += "{\n"

			buf += "	return \"" + fabric_mod_name + "\";\n"

			buf += "}\n\n"

			bufi += "char *" + fabric_mod_name + "_get_fabric_name(void);\n"

			continue



		if re.search('get_wwn', fo):

			buf += "char *" + fabric_mod_name + "_get_fabric_wwn(struct se_portal_group *se_tpg)\n"

			buf += "{\n"

			buf += "	struct " + fabric_mod_name + "_tpg *tpg = container_of(se_tpg,\n"

			buf += "				struct " + fabric_mod_name + "_tpg, se_tpg);\n"

			buf += "	struct " + fabric_mod_name + "_" + fabric_mod_port + " *" + fabric_mod_port + " = tpg->" + fabric_mod_port + ";\n\n"

			buf += "	return &" + fabric_mod_port + "->" + fabric_mod_port + "_name[0];\n"

			buf += "}\n\n"

			bufi += "char *" + fabric_mod_name + "_get_fabric_wwn(struct se_portal_group *);\n"



		if re.search('get_tag', fo):

			buf += "u16 " + fabric_mod_name + "_get_tag(struct se_portal_group *se_tpg)\n"

			buf += "{\n"

			buf += "	struct " + fabric_mod_name + "_tpg *tpg = container_of(se_tpg,\n"

			buf += "				struct " + fabric_mod_name + "_tpg, se_tpg);\n"

			buf += "	return tpg->" + fabric_mod_port + "_tpgt;\n"

			buf += "}\n\n"

			bufi += "u16 " + fabric_mod_name + "_get_tag(struct se_portal_group *);\n"



		if re.search('tpg_get_inst_index\)\(', fo):

			buf += "u32 " + fabric_mod_name + "_tpg_get_inst_index(struct se_portal_group *se_tpg)\n"

			buf += "{\n"

			buf += "	return 1;\n"

			buf += "}\n\n"

			bufi += "u32 " + fabric_mod_name + "_tpg_get_inst_index(struct se_portal_group *);\n"



		if re.search('\*release_cmd\)\(', fo):

			buf += "void " + fabric_mod_name + "_release_cmd(struct se_cmd *se_cmd)\n"

			buf += "{\n"

			buf += "	return;\n"

			buf += "}\n\n"

			bufi += "void " + fabric_mod_name + "_release_cmd(struct se_cmd *);\n"



		if re.search('sess_get_index\)\(', fo):

			buf += "u32 " + fabric_mod_name + "_sess_get_index(struct se_session *se_sess)\n"

			buf += "{\n"

			buf += "	return 0;\n"

			buf += "}\n\n"

			bufi += "u32 " + fabric_mod_name + "_sess_get_index(struct se_session *);\n"



		if re.search('write_pending\)\(', fo):

			buf += "int " + fabric_mod_name + "_write_pending(struct se_cmd *se_cmd)\n"

			buf += "{\n"

			buf += "	return 0;\n"

			buf += "}\n\n"

			bufi += "int " + fabric_mod_name + "_write_pending(struct se_cmd *);\n"



		if re.search('set_default_node_attributes\)\(', fo):

			buf += "void " + fabric_mod_name + "_set_default_node_attrs(struct se_node_acl *nacl)\n"

			buf += "{\n"

			buf += "	return;\n"

			buf += "}\n\n"

			bufi += "void " + fabric_mod_name + "_set_default_node_attrs(struct se_node_acl *);\n"



		if re.search('get_cmd_state\)\(', fo):

			buf += "int " + fabric_mod_name + "_get_cmd_state(struct se_cmd *se_cmd)\n"

			buf += "{\n"

			buf += "	return 0;\n"

			buf += "}\n\n"

			bufi += "int " + fabric_mod_name + "_get_cmd_state(struct se_cmd *);\n"



		if re.search('queue_data_in\)\(', fo):

			buf += "int " + fabric_mod_name + "_queue_data_in(struct se_cmd *se_cmd)\n"

			buf += "{\n"

			buf += "	return 0;\n"

			buf += "}\n\n"

			bufi += "int " + fabric_mod_name + "_queue_data_in(struct se_cmd *);\n"



		if re.search('queue_status\)\(', fo):

			buf += "int " + fabric_mod_name + "_queue_status(struct se_cmd *se_cmd)\n"

			buf += "{\n"

			buf += "	return 0;\n"

			buf += "}\n\n"

			bufi += "int " + fabric_mod_name + "_queue_status(struct se_cmd *);\n"



		if re.search('queue_tm_rsp\)\(', fo):

			buf += "void " + fabric_mod_name + "_queue_tm_rsp(struct se_cmd *se_cmd)\n"

			buf += "{\n"

			buf += "	return;\n"

			buf += "}\n\n"

			bufi += "void " + fabric_mod_name + "_queue_tm_rsp(struct se_cmd *);\n"



		if re.search('aborted_task\)\(', fo):

			buf += "void " + fabric_mod_name + "_aborted_task(struct se_cmd *se_cmd)\n"

			buf += "{\n"

			buf += "	return;\n"

			buf += "}\n\n"

			bufi += "void " + fabric_mod_name + "_aborted_task(struct se_cmd *);\n"



	ret = p.write(buf)

	if ret:

		tcm_mod_err("Unable to write f: " + f)



	p.close()



	ret = pi.write(bufi)

	if ret:

		tcm_mod_err("Unable to write fi: " + fi)



	pi.close()

	return



def tcm_mod_build_kbuild(fabric_mod_dir_var, fabric_mod_name):



	buf = ""

	f = fabric_mod_dir_var + "/Makefile"

	print "Writing file: " + f



	p = open(f, 'w')

	if not p:

		tcm_mod_err("Unable to open file: " + f)



	buf += fabric_mod_name + "-objs			:= " + fabric_mod_name + "_fabric.o \\\n"

	buf += "					   " + fabric_mod_name + "_configfs.o\n"

	buf += "obj-$(CONFIG_" + fabric_mod_name.upper() + ")		+= " + fabric_mod_name + ".o\n"



	ret = p.write(buf)

	if ret:

		tcm_mod_err("Unable to write f: " + f)



	p.close()

	return



def tcm_mod_build_kconfig(fabric_mod_dir_var, fabric_mod_name):



	buf = ""

	f = fabric_mod_dir_var + "/Kconfig"

	print "Writing file: " + f



	p = open(f, 'w')

	if not p:

		tcm_mod_err("Unable to open file: " + f)



	buf = "config " + fabric_mod_name.upper() + "\n"

	buf += "	tristate \"" + fabric_mod_name.upper() + " fabric module\"\n"

	buf += "	depends on TARGET_CORE && CONFIGFS_FS\n"

	buf += "	default n\n"

	buf += "	help\n"

	buf += "	  Say Y here to enable the " + fabric_mod_name.upper() + " fabric module\n"



	ret = p.write(buf)

	if ret:

		tcm_mod_err("Unable to write f: " + f)



	p.close()

	return



def tcm_mod_add_kbuild(tcm_dir, fabric_mod_name):

	buf = "obj-$(CONFIG_" + fabric_mod_name.upper() + ")	+= " + fabric_mod_name.lower() + "/\n"

	kbuild = tcm_dir + "/drivers/target/Makefile"



	f = open(kbuild, 'a')

	f.write(buf)

	f.close()

	return



def tcm_mod_add_kconfig(tcm_dir, fabric_mod_name):

	buf = "source \"drivers/target/" + fabric_mod_name.lower() + "/Kconfig\"\n"

	kconfig = tcm_dir + "/drivers/target/Kconfig"



	f = open(kconfig, 'a')

	f.write(buf)

	f.close()

	return



def main(modname, proto_ident):

#	proto_ident = "FC"

#	proto_ident = "SAS"

#	proto_ident = "iSCSI"



	tcm_dir = os.getcwd();

	tcm_dir += "/../../"

	print "tcm_dir: " + tcm_dir

	fabric_mod_name = modname

	fabric_mod_dir = tcm_dir + "drivers/target/" + fabric_mod_name

	print "Set fabric_mod_name: " + fabric_mod_name

	print "Set fabric_mod_dir: " + fabric_mod_dir

	print "Using proto_ident: " + proto_ident



	if proto_ident != "FC" and proto_ident != "SAS" and proto_ident != "iSCSI":

		print "Unsupported proto_ident: " + proto_ident

		sys.exit(1)



	ret = tcm_mod_create_module_subdir(fabric_mod_dir)

	if ret:

		print "tcm_mod_create_module_subdir() failed because module already exists!"

		sys.exit(1)



	tcm_mod_build_base_includes(proto_ident, fabric_mod_dir, fabric_mod_name)

	tcm_mod_scan_fabric_ops(tcm_dir)

	tcm_mod_dump_fabric_ops(proto_ident, fabric_mod_dir, fabric_mod_name)

	tcm_mod_build_configfs(proto_ident, fabric_mod_dir, fabric_mod_name)

	tcm_mod_build_kbuild(fabric_mod_dir, fabric_mod_name)

	tcm_mod_build_kconfig(fabric_mod_dir, fabric_mod_name)



	input = raw_input("Would you like to add " + fabric_mod_name + " to drivers/target/Makefile..? [yes,no]: ")

	if input == "yes" or input == "y":

		tcm_mod_add_kbuild(tcm_dir, fabric_mod_name)



	input = raw_input("Would you like to add " + fabric_mod_name + " to drivers/target/Kconfig..? [yes,no]: ")

	if input == "yes" or input == "y":

		tcm_mod_add_kconfig(tcm_dir, fabric_mod_name)



	return



parser = optparse.OptionParser()

parser.add_option('-m', '--modulename', help='Module name', dest='modname',

		action='store', nargs=1, type='string')

parser.add_option('-p', '--protoident', help='Protocol Ident', dest='protoident',

		action='store', nargs=1, type='string')



(opts, args) = parser.parse_args()



mandatories = ['modname', 'protoident']

for m in mandatories:

	if not opts.__dict__[m]:

		print "mandatory option is missing\n"

		parser.print_help()

		exit(-1)



if __name__ == "__main__":



	main(str(opts.modname), opts.protoident)