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authorArun Easi <aeasi@marvell.com>2020-09-04 07:51:25 +0300
committerMartin K. Petersen <martin.petersen@oracle.com>2020-09-23 01:42:47 +0300
commit6152d20fa6703cf364253efc4eab31151558cb01 (patch)
treee899462aa1dc7ccd4680ea1ffc86e5af8d555917
parent4e5a05d1ecd92cec59b11c33821b5407984df81d (diff)
downloadlinux-6152d20fa6703cf364253efc4eab31151558cb01.tar.xz
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: Himanshu Madhani <himanshu.madhani@oracle.com> Signed-off-by: Arun Easi <aeasi@marvell.com> Signed-off-by: Nilesh Javali <njavali@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
-rw-r--r--drivers/scsi/qla2xxx/qla_dfs.c53
1 files changed, 53 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_dfs.c b/drivers/scsi/qla2xxx/qla_dfs.c
index 1e9db568aee3..118f2b223531 100644
--- a/drivers/scsi/qla2xxx/qla_dfs.c
+++ b/drivers/scsi/qla2xxx/qla_dfs.c
@@ -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