#!/usr/bin/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 += " .write_pending_status = " + fabric_mod_name + "_write_pending_status,\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\)\(', fo):
buf += "u32 " + fabric_mod_name + "_tpg_get_inst_index(struct se_portal_group *se_tpg)\n"
buf += "{\n"
buf += " return 1;\n"
buf += "}\n\n"
bufi += "u32 " + fabric_mod_name + "_tpg_get_inst_index(struct se_portal_group *);\n"
if re.search('\*release_cmd\)\(', fo):
buf += "void " + fabric_mod_name + "_release_cmd(struct se_cmd *se_cmd)\n"
buf += "{\n"
buf += " return;\n"
buf += "}\n\n"
bufi += "void " + fabric_mod_name + "_release_cmd(struct se_cmd *);\n"
if re.search('sess_get_index\)\(', fo):
buf += "u32 " + fabric_mod_name + "_sess_get_index(struct se_session *se_sess)\n"
buf += "{\n"
buf += " return 0;\n"
buf += "}\n\n"
bufi += "u32 " + fabric_mod_name + "_sess_get_index(struct se_session *);\n"
if re.search('write_pending\)\(', fo):
buf += "int " + fabric_mod_name + "_write_pending(struct se_cmd *se_cmd)\n"
buf += "{\n"
buf += " return 0;\n"
buf += "}\n\n"
bufi += "int " + fabric_mod_name + "_write_pending(struct se_cmd *);\n"
if re.search('write_pending_status\)\(', fo):
buf += "int " + fabric_mod_name + "_write_pending_status(struct se_cmd *se_cmd)\n"
buf += "{\n"
buf += " return 0;\n"
buf += "}\n\n"
bufi += "int " + fabric_mod_name + "_write_pending_status(struct se_cmd *);\n"
if re.search('set_default_node_attributes\)\(', fo):
buf += "void " + fabric_mod_name + "_set_default_node_attrs(struct se_node_acl *nacl)\n"
buf += "{\n"
buf += " return;\n"
buf += "}\n\n"
bufi += "void " + fabric_mod_name + "_set_default_node_attrs(struct se_node_acl *);\n"
if re.search('get_cmd_state\)\(', fo):
buf += "int " + fabric_mod_name + "_get_cmd_state(struct se_cmd *se_cmd)\n"
buf += "{\n"
buf += " return 0;\n"
buf += "}\n\n"
bufi += "int " + fabric_mod_name + "_get_cmd_state(struct se_cmd *);\n"
if re.search('queue_data_in\)\(', fo):
buf += "int " + fabric_mod_name + "_queue_data_in(struct se_cmd *se_cmd)\n"
buf += "{\n"
buf += " return 0;\n"
buf += "}\n\n"
bufi += "int " + fabric_mod_name + "_queue_data_in(struct se_cmd *);\n"
if re.search('queue_status\)\(', fo):
buf += "int " + fabric_mod_name + "_queue_status(struct se_cmd *se_cmd)\n"
buf += "{\n"
buf += " return 0;\n"
buf += "}\n\n"
bufi += "int " + fabric_mod_name + "_queue_status(struct se_cmd *);\n"
if re.search('queue_tm_rsp\)\(', fo):
buf += "void " + fabric_mod_name + "_queue_tm_rsp(struct se_cmd *se_cmd)\n"
buf += "{\n"
buf += " return;\n"
buf += "}\n\n"
bufi += "void " + fabric_mod_name + "_queue_tm_rsp(struct se_cmd *);\n"
if re.search('aborted_task\)\(', 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)
