target/iscsi: Introduce a helper function for TMF translation

This patch does not change any functionality.

Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Cc: Nicholas A. Bellinger <nab@linux-iscsi.org>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
This commit is contained in:
Bart Van Assche 2017-01-06 11:32:08 +01:00 committed by Nicholas Bellinger
parent 53c561dca9
commit e381fe9e89
2 changed files with 25 additions and 24 deletions

View File

@ -1920,6 +1920,28 @@ static int iscsit_handle_nop_out(struct iscsi_conn *conn, struct iscsi_cmd *cmd,
return ret;
}
static enum tcm_tmreq_table iscsit_convert_tmf(u8 iscsi_tmf)
{
switch (iscsi_tmf) {
case ISCSI_TM_FUNC_ABORT_TASK:
return TMR_ABORT_TASK;
case ISCSI_TM_FUNC_ABORT_TASK_SET:
return TMR_ABORT_TASK_SET;
case ISCSI_TM_FUNC_CLEAR_ACA:
return TMR_CLEAR_ACA;
case ISCSI_TM_FUNC_CLEAR_TASK_SET:
return TMR_CLEAR_TASK_SET;
case ISCSI_TM_FUNC_LOGICAL_UNIT_RESET:
return TMR_LUN_RESET;
case ISCSI_TM_FUNC_TARGET_WARM_RESET:
return TMR_TARGET_WARM_RESET;
case ISCSI_TM_FUNC_TARGET_COLD_RESET:
return TMR_TARGET_COLD_RESET;
default:
return TMR_UNKNOWN;
}
}
int
iscsit_handle_task_mgt_cmd(struct iscsi_conn *conn, struct iscsi_cmd *cmd,
unsigned char *buf)
@ -1985,30 +2007,8 @@ iscsit_handle_task_mgt_cmd(struct iscsi_conn *conn, struct iscsi_cmd *cmd,
target_get_sess_cmd(&cmd->se_cmd, true);
sess_ref = true;
switch (function) {
case ISCSI_TM_FUNC_ABORT_TASK:
tcm_function = TMR_ABORT_TASK;
break;
case ISCSI_TM_FUNC_ABORT_TASK_SET:
tcm_function = TMR_ABORT_TASK_SET;
break;
case ISCSI_TM_FUNC_CLEAR_ACA:
tcm_function = TMR_CLEAR_ACA;
break;
case ISCSI_TM_FUNC_CLEAR_TASK_SET:
tcm_function = TMR_CLEAR_TASK_SET;
break;
case ISCSI_TM_FUNC_LOGICAL_UNIT_RESET:
tcm_function = TMR_LUN_RESET;
break;
case ISCSI_TM_FUNC_TARGET_WARM_RESET:
tcm_function = TMR_TARGET_WARM_RESET;
break;
case ISCSI_TM_FUNC_TARGET_COLD_RESET:
tcm_function = TMR_TARGET_COLD_RESET;
break;
default:
tcm_function = iscsit_convert_tmf(function);
if (tcm_function == TMR_UNKNOWN) {
pr_err("Unknown iSCSI TMR Function:"
" 0x%02x\n", function);
return iscsit_add_reject_cmd(cmd,

View File

@ -197,6 +197,7 @@ enum tcm_tmreq_table {
TMR_LUN_RESET = 5,
TMR_TARGET_WARM_RESET = 6,
TMR_TARGET_COLD_RESET = 7,
TMR_UNKNOWN = 0xff,
};
/* fabric independent task management response values */