diff options
| author | Arun Easi <aeasi@marvell.com> | 2020-09-03 21:51:17 -0700 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2020-09-22 18:42:36 -0400 |
| commit | 1e98fb0f9208da058e2b6627f9f19fa0a95d05cd (patch) | |
| tree | f8e744554d77473b37931c5daaad0869562c526c /drivers/scsi/qla2xxx/qla_dfs.c | |
| parent | dd8d0bf6fb72bc73dc534d0d222e769e71d2202c (diff) | |
| download | linux-1e98fb0f9208da058e2b6627f9f19fa0a95d05cd.tar.bz2 | |
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: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Arun Easi <aeasi@marvell.com>
Signed-off-by: Himanshu Madhani <hmadhani@marvell.com>
Signed-off-by: Saurav Kashyap <skashyap@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_dfs.c')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_dfs.c | 42 |
1 files changed, 41 insertions, 1 deletions
diff --git a/drivers/scsi/qla2xxx/qla_dfs.c b/drivers/scsi/qla2xxx/qla_dfs.c index e62b2115235e..3c4b9b549b17 100644 --- a/drivers/scsi/qla2xxx/qla_dfs.c +++ b/drivers/scsi/qla2xxx/qla_dfs.c @@ -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 @@ create_nodes: 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; |