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scsi: qla2xxx: Add rport fields in debugfs

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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>
This commit is contained in:
Arun Easi 2020-09-03 21:51:25 -07:00 committed by Martin K. Petersen
parent 4e5a05d1ec
commit 6152d20fa6
1 changed files with 53 additions and 0 deletions
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53
drivers/scsi/qla2xxx/qla_dfs.c
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@ -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