Commit 6152d20f authored by Arun Easi's avatar Arun Easi Committed by Martin K. Petersen
Browse files

scsi: qla2xxx: Add rport fields in debugfs 

This patch adds rport fields in debugfs.

Link: https://lore.kernel.org/r/20200904045128.23631-11-njavali@marvell.com


Reviewed-by: default avatarHimanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: default avatarArun Easi <aeasi@marvell.com>
Signed-off-by: default avatarNilesh Javali <njavali@marvell.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent 4e5a05d1

drivers/scsi/qla2xxx/qla_dfs.c

+53 −0
Original line number Diff line number Diff line
@@ -65,13 +65,53 @@ DEFINE_DEBUGFS_ATTRIBUTE(qla_dfs_rport_##_attr##_fops, \ 
		qla_dfs_rport_##_attr##_get,			\

		qla_dfs_rport_##_attr##_set, "%llu\n")



/*

 * Wrapper for getting fc_port fields.

 *

 * _attr    : Attribute name.

 * _get_val : Accessor macro to retrieve the value.

 */

#define DEFINE_QLA_DFS_RPORT_FIELD_GET(_attr, _get_val)			\

static int qla_dfs_rport_field_##_attr##_get(void *data, u64 *val)	\

{									\

	struct fc_port *fp = data;					\

	*val = _get_val;						\

	return 0;							\

}									\

DEFINE_DEBUGFS_ATTRIBUTE(qla_dfs_rport_field_##_attr##_fops,		\

		qla_dfs_rport_field_##_attr##_get,			\

		NULL, "%llu\n")



#define DEFINE_QLA_DFS_RPORT_ACCESS(_attr, _get_val) \

	DEFINE_QLA_DFS_RPORT_FIELD_GET(_attr, _get_val)



#define DEFINE_QLA_DFS_RPORT_FIELD(_attr) \

	DEFINE_QLA_DFS_RPORT_FIELD_GET(_attr, fp->_attr)



DEFINE_QLA_DFS_RPORT_RW_ATTR(QLA_DFS_RPORT_DEVLOSS_TMO, dev_loss_tmo);



DEFINE_QLA_DFS_RPORT_FIELD(disc_state);

DEFINE_QLA_DFS_RPORT_FIELD(scan_state);

DEFINE_QLA_DFS_RPORT_FIELD(fw_login_state);

DEFINE_QLA_DFS_RPORT_FIELD(login_pause);

DEFINE_QLA_DFS_RPORT_FIELD(flags);

DEFINE_QLA_DFS_RPORT_FIELD(nvme_flag);

DEFINE_QLA_DFS_RPORT_FIELD(last_rscn_gen);

DEFINE_QLA_DFS_RPORT_FIELD(rscn_gen);

DEFINE_QLA_DFS_RPORT_FIELD(login_gen);

DEFINE_QLA_DFS_RPORT_FIELD(loop_id);

DEFINE_QLA_DFS_RPORT_FIELD_GET(port_id, fp->d_id.b24);

DEFINE_QLA_DFS_RPORT_FIELD_GET(sess_kref, kref_read(&fp->sess_kref));



void

qla2x00_dfs_create_rport(scsi_qla_host_t *vha, struct fc_port *fp)

{

	char wwn[32];



#define QLA_CREATE_RPORT_FIELD_ATTR(_attr)			\

	debugfs_create_file(#_attr, 0400, fp->dfs_rport_dir,	\

		fp, &qla_dfs_rport_field_##_attr##_fops)



	if (!vha->dfs_rport_root || fp->dfs_rport_dir)

		return;
@@ -82,6 +122,19 @@ qla2x00_dfs_create_rport(scsi_qla_host_t *vha, struct fc_port *fp) 
	if (NVME_TARGET(vha->hw, fp))

		debugfs_create_file("dev_loss_tmo", 0600, fp->dfs_rport_dir,

				    fp, &qla_dfs_rport_dev_loss_tmo_fops);



	QLA_CREATE_RPORT_FIELD_ATTR(disc_state);

	QLA_CREATE_RPORT_FIELD_ATTR(scan_state);

	QLA_CREATE_RPORT_FIELD_ATTR(fw_login_state);

	QLA_CREATE_RPORT_FIELD_ATTR(login_pause);

	QLA_CREATE_RPORT_FIELD_ATTR(flags);

	QLA_CREATE_RPORT_FIELD_ATTR(nvme_flag);

	QLA_CREATE_RPORT_FIELD_ATTR(last_rscn_gen);

	QLA_CREATE_RPORT_FIELD_ATTR(rscn_gen);

	QLA_CREATE_RPORT_FIELD_ATTR(login_gen);

	QLA_CREATE_RPORT_FIELD_ATTR(loop_id);

	QLA_CREATE_RPORT_FIELD_ATTR(port_id);

	QLA_CREATE_RPORT_FIELD_ATTR(sess_kref);

}



void