Commit 1e98fb0f authored by Arun Easi's avatar Arun Easi Committed by Martin K. Petersen
Browse files

scsi: qla2xxx: Setup debugfs entries for remote ports 

Create a base for adding remote port related entries in debugfs.

Link: https://lore.kernel.org/r/20200904045128.23631-3-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 avatarHimanshu Madhani <hmadhani@marvell.com>
Signed-off-by: default avatarSaurav Kashyap <skashyap@marvell.com>
Signed-off-by: default avatarNilesh Javali <njavali@marvell.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent dd8d0bf6

drivers/scsi/qla2xxx/qla_def.h

+4 −0
Original line number Diff line number Diff line
@@ -2544,6 +2544,8 @@ typedef struct fc_port { 
	u8 last_login_state;

	u16 n2n_link_reset_cnt;

	u16 n2n_chip_reset;



	struct dentry *dfs_rport_dir;

} fc_port_t;



enum {
@@ -4780,6 +4782,8 @@ typedef struct scsi_qla_host { 
	uint16_t ql2xexchoffld;

	uint16_t ql2xiniexchg;



	struct dentry *dfs_rport_root;



	struct purex_list {

		struct list_head head;

		spinlock_t lock;

drivers/scsi/qla2xxx/qla_dfs.c

+41 −1
Original line number Diff line number Diff line
@@ -12,6 +12,29 @@ 
static struct dentry *qla2x00_dfs_root;

static atomic_t qla2x00_dfs_root_count;



void

qla2x00_dfs_create_rport(scsi_qla_host_t *vha, struct fc_port *fp)

{

	char wwn[32];



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

		return;



	sprintf(wwn, "pn-%016llx", wwn_to_u64(fp->port_name));

	fp->dfs_rport_dir = debugfs_create_dir(wwn, vha->dfs_rport_root);

	if (!fp->dfs_rport_dir)

		return;

}



void

qla2x00_dfs_remove_rport(scsi_qla_host_t *vha, struct fc_port *fp)

{

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

		return;

	debugfs_remove_recursive(fp->dfs_rport_dir);

	fp->dfs_rport_dir = NULL;

}



static int

qla2x00_dfs_tgt_sess_show(struct seq_file *s, void *unused)

{
@@ -473,9 +496,21 @@ qla2x00_dfs_setup(scsi_qla_host_t *vha) 
	ha->tgt.dfs_tgt_sess = debugfs_create_file("tgt_sess",

		S_IRUSR, ha->dfs_dir, vha, &dfs_tgt_sess_ops);



	if (IS_QLA27XX(ha) || IS_QLA83XX(ha) || IS_QLA28XX(ha))

	if (IS_QLA27XX(ha) || IS_QLA83XX(ha) || IS_QLA28XX(ha)) {

		ha->tgt.dfs_naqp = debugfs_create_file("naqp",

		    0400, ha->dfs_dir, vha, &dfs_naqp_ops);

		if (!ha->tgt.dfs_naqp) {

			ql_log(ql_log_warn, vha, 0xd011,

			       "Unable to create debugFS naqp node.\n");

			goto out;

		}

	}

	vha->dfs_rport_root = debugfs_create_dir("rports", ha->dfs_dir);

	if (!vha->dfs_rport_root) {

		ql_log(ql_log_warn, vha, 0xd012,

		       "Unable to create debugFS rports node.\n");

		goto out;

	}

out:

	return 0;

}
@@ -515,6 +550,11 @@ qla2x00_dfs_remove(scsi_qla_host_t *vha) 
		ha->dfs_fce = NULL;

	}



	if (vha->dfs_rport_root) {

		debugfs_remove_recursive(vha->dfs_rport_root);

		vha->dfs_rport_root = NULL;

	}



	if (ha->dfs_dir) {

		debugfs_remove(ha->dfs_dir);

		ha->dfs_dir = NULL;

drivers/scsi/qla2xxx/qla_gbl.h

+2 −0
Original line number Diff line number Diff line
@@ -935,6 +935,8 @@ void qlt_clr_qp_table(struct scsi_qla_host *vha); 
void qlt_set_mode(struct scsi_qla_host *);

int qla2x00_set_data_rate(scsi_qla_host_t *vha, uint16_t mode);

extern void qla24xx_process_purex_list(struct purex_list *);

extern void qla2x00_dfs_create_rport(scsi_qla_host_t *vha, struct fc_port *fp);

extern void qla2x00_dfs_remove_rport(scsi_qla_host_t *vha, struct fc_port *fp);



/* nvme.c */

void qla_nvme_unregister_remote_port(struct fc_port *fcport);

drivers/scsi/qla2xxx/qla_init.c

+2 −0
Original line number Diff line number Diff line
@@ -5496,6 +5496,8 @@ qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport) 


	qla2x00_iidma_fcport(vha, fcport);



	qla2x00_dfs_create_rport(vha, fcport);



	if (NVME_TARGET(vha->hw, fcport)) {

		qla_nvme_register_remote(vha, fcport);

		qla2x00_set_fcport_disc_state(fcport, DSC_LOGIN_COMPLETE);

drivers/scsi/qla2xxx/qla_target.c

+2 −0
Original line number Diff line number Diff line
@@ -1111,6 +1111,8 @@ void qlt_free_session_done(struct work_struct *work) 
	spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);

	sess->free_pending = 0;



	qla2x00_dfs_remove_rport(vha, sess);



	ql_dbg(ql_dbg_disc, vha, 0xf001,

	    "Unregistration of sess %p %8phC finished fcp_cnt %d\n",

		sess, sess->port_name, vha->fcport_count);