commit fca9f04d460bf7c6af397dd994f1d81a3037f9dc
author Mike Christie <michaelc@cs.wisc.edu> Mon Feb 27 03:08:54 2012 -0800
committer James Bottomley <JBottomley@Parallels.com> Wed Feb 29 16:59:19 2012 -0600
tree 5daa8c66f56c49d189e698511e067df795b915b2
parent 30534952743f73f1de3c6c056400d7249f5c7f75

[SCSI] qla4xxx: Export CHAP index as sysfs attribute

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

drivers/scsi/qla4xxx/ql4_os.c

diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
index c6cfe32..cbaf2b3 100644
--- a/drivers/scsi/qla4xxx/ql4_os.c
+++ b/drivers/scsi/qla4xxx/ql4_os.c
@@ -83,6 +83,8 @@
 /*
  * iSCSI template entry points
  */
+static int qla4xxx_session_get_param(struct iscsi_cls_session *cls_sess,
+				     enum iscsi_param param, char *buf);
 static int qla4xxx_conn_get_param(struct iscsi_cls_conn *conn,
 				  enum iscsi_param param, char *buf);
 static int qla4xxx_host_get_param(struct Scsi_Host *shost,
@@ -186,7 +188,7 @@
 	.destroy_conn           = qla4xxx_conn_destroy,
 	.set_param              = iscsi_set_param,
 	.get_conn_param		= qla4xxx_conn_get_param,
-	.get_session_param	= iscsi_session_get_param,
+	.get_session_param	= qla4xxx_session_get_param,
 	.get_ep_param           = qla4xxx_get_ep_param,
 	.ep_connect		= qla4xxx_ep_connect,
 	.ep_poll		= qla4xxx_ep_poll,
@@ -317,6 +319,12 @@
 		case ISCSI_PARAM_MAX_RECV_DLENGTH:
 		case ISCSI_PARAM_MAX_XMIT_DLENGTH:
 		case ISCSI_PARAM_IFACE_NAME:
+		case ISCSI_PARAM_CHAP_OUT_IDX:
+		case ISCSI_PARAM_CHAP_IN_IDX:
+		case ISCSI_PARAM_USERNAME:
+		case ISCSI_PARAM_PASSWORD:
+		case ISCSI_PARAM_USERNAME_IN:
+		case ISCSI_PARAM_PASSWORD_IN:
 			return S_IRUGO;
 		default:
 			return 0;
@@ -1288,6 +1296,41 @@
 	return rval;
 }
 
+static int qla4xxx_session_get_param(struct iscsi_cls_session *cls_sess,
+				     enum iscsi_param param, char *buf)
+{
+	struct iscsi_session *sess = cls_sess->dd_data;
+	struct ddb_entry *ddb_entry = sess->dd_data;
+	struct scsi_qla_host *ha = ddb_entry->ha;
+	int rval, len;
+	uint16_t idx;
+
+	switch (param) {
+	case ISCSI_PARAM_CHAP_IN_IDX:
+		rval = qla4xxx_get_chap_index(ha, sess->username_in,
+					      sess->password_in, BIDI_CHAP,
+					      &idx);
+		if (rval)
+			return -EINVAL;
+
+		len = sprintf(buf, "%hu\n", idx);
+		break;
+	case ISCSI_PARAM_CHAP_OUT_IDX:
+		rval = qla4xxx_get_chap_index(ha, sess->username,
+					      sess->password, LOCAL_CHAP,
+					      &idx);
+		if (rval)
+			return -EINVAL;
+
+		len = sprintf(buf, "%hu\n", idx);
+		break;
+	default:
+		return iscsi_session_get_param(cls_sess, param, buf);
+	}
+
+	return len;
+}
+
 static int qla4xxx_conn_get_param(struct iscsi_cls_conn *cls_conn,
 				  enum iscsi_param param, char *buf)
 {