diff options
| author | Saurav Kashyap <skashyap@marvell.com> | 2021-01-11 01:31:28 -0800 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2021-01-13 00:25:19 -0500 |
| commit | dbf1f53cfd238090c69f92725b91208b97eb53fe (patch) | |
| tree | d46e4bcfebe1e440572a2071d26541dfb8f9a697 /drivers/scsi/qla2xxx/qla_gbl.h | |
| parent | ac341c2d2f1f72bc48e7950bb648466d015e657d (diff) | |
scsi: qla2xxx: Implementation to get and manage host, target stats and initiator port
This statistics will help in debugging process and checking specific error
counts. It also provides a capability to isolate the port or bring it out
of isolation.
Link: https://lore.kernel.org/r/20210111093134.1206-2-njavali@marvell.com
Reported-by: kernel test robot <lkp@intel.com>
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.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_gbl.h')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_gbl.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h index e39b4f2da73a..708f82311b83 100644 --- a/drivers/scsi/qla2xxx/qla_gbl.h +++ b/drivers/scsi/qla2xxx/qla_gbl.h @@ -945,4 +945,27 @@ 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); void qla_handle_els_plogi_done(scsi_qla_host_t *vha, struct event_arg *ea); + +#define QLA2XX_HW_ERROR BIT_0 +#define QLA2XX_SHT_LNK_DWN BIT_1 +#define QLA2XX_INT_ERR BIT_2 +#define QLA2XX_CMD_TIMEOUT BIT_3 +#define QLA2XX_RESET_CMD_ERR BIT_4 +#define QLA2XX_TGT_SHT_LNK_DOWN BIT_17 + +#define QLA2XX_MAX_LINK_DOWN_TIME 100 + +int qla2xxx_start_stats(struct Scsi_Host *shost, u32 flags); +int qla2xxx_stop_stats(struct Scsi_Host *shost, u32 flags); +int qla2xxx_reset_stats(struct Scsi_Host *shost, u32 flags); + +int qla2xxx_get_ini_stats(struct Scsi_Host *shost, u32 flags, void *data, u64 size); +int qla2xxx_get_tgt_stats(struct Scsi_Host *shost, u32 flags, + struct fc_rport *rport, void *data, u64 size); +int qla2xxx_disable_port(struct Scsi_Host *shost); +int qla2xxx_enable_port(struct Scsi_Host *shost); + +uint64_t qla2x00_get_num_tgts(scsi_qla_host_t *vha); +uint64_t qla2x00_count_set_bits(u32 num); + #endif /* _QLA_GBL_H */ |