diff options
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/scsi/tcm_qla2xxx.txt | 22 | ||||
| -rwxr-xr-x | Documentation/target/tcm_mod_builder.py | 16 |
2 files changed, 22 insertions, 16 deletions
diff --git a/Documentation/scsi/tcm_qla2xxx.txt b/Documentation/scsi/tcm_qla2xxx.txt new file mode 100644 index 000000000000..c3a670a25e2b --- /dev/null +++ b/Documentation/scsi/tcm_qla2xxx.txt @@ -0,0 +1,22 @@ +tcm_qla2xxx jam_host attribute +------------------------------ +There is now a new module endpoint atribute called jam_host +attribute: jam_host: boolean=0/1 +This attribute and accompanying code is only included if the +Kconfig parameter TCM_QLA2XXX_DEBUG is set to Y +By default this jammer code and functionality is disabled + +Use this attribute to control the discarding of SCSI commands to a +selected host. +This may be useful for testing error handling and simulating slow drain +and other fabric issues. + +Setting a boolean of 1 for the jam_host attribute for a particular host + will discard the commands for that host. +Reset back to 0 to stop the jamming. + +Enable host 4 to be jammed +echo 1 > /sys/kernel/config/target/qla2xxx/21:00:00:24:ff:27:8f:ae/tpgt_1/attrib/jam_host + +Disable jamming on host 4 +echo 0 > /sys/kernel/config/target/qla2xxx/21:00:00:24:ff:27:8f:ae/tpgt_1/attrib/jam_host diff --git a/Documentation/target/tcm_mod_builder.py b/Documentation/target/tcm_mod_builder.py index 7d370c9b1450..94bf6944bb1e 100755 --- a/Documentation/target/tcm_mod_builder.py +++ b/Documentation/target/tcm_mod_builder.py @@ -294,8 +294,6 @@ def tcm_mod_build_configfs(proto_ident, fabric_mod_dir_var, fabric_mod_name): 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 += " .shutdown_session = " + fabric_mod_name + "_shutdown_session,\n" - buf += " .close_session = " + fabric_mod_name + "_close_session,\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" @@ -467,20 +465,6 @@ def tcm_mod_dump_fabric_ops(proto_ident, fabric_mod_dir_var, fabric_mod_name): buf += "}\n\n" bufi += "void " + fabric_mod_name + "_release_cmd(struct se_cmd *);\n" - if re.search('shutdown_session\)\(', fo): - buf += "int " + fabric_mod_name + "_shutdown_session(struct se_session *se_sess)\n" - buf += "{\n" - buf += " return 0;\n" - buf += "}\n\n" - bufi += "int " + fabric_mod_name + "_shutdown_session(struct se_session *);\n" - - if re.search('close_session\)\(', fo): - buf += "void " + fabric_mod_name + "_close_session(struct se_session *se_sess)\n" - buf += "{\n" - buf += " return;\n" - buf += "}\n\n" - bufi += "void " + fabric_mod_name + "_close_session(struct se_session *);\n" - if re.search('sess_get_index\)\(', fo): buf += "u32 " + fabric_mod_name + "_sess_get_index(struct se_session *se_sess)\n" buf += "{\n" |