diff options
| author | James Smart | 2021-08-16 09:28:55 -0700 |
|---|---|---|
| committer | Martin K. Petersen | 2021-08-24 22:56:34 -0400 |
| commit | 17b27ac5922454ff7de91cbed458643608c36abc (patch) | |
| tree | 28c9c6bd49bfd1599baecd7ce841c9c4051cfa1c /drivers/scsi/lpfc/lpfc.h | |
| parent | 02243836ad6f384284f10302e6b820b893960d1c (diff) | |
scsi: lpfc: Add rx monitoring statistics
The driver provides overwatch of the cm behavior by maintaining a set of rx
I/O statistics. This information is also used in later updating of the cm
statistics buffer.
Link: https://lore.kernel.org/r/20210816162901.121235-11-jsmart2021@gmail.com
Co-developed-by: Justin Tee <justin.tee@broadcom.com>
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/lpfc/lpfc.h')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h index 298b908e9126..640075885540 100644 --- a/drivers/scsi/lpfc/lpfc.h +++ b/drivers/scsi/lpfc/lpfc.h @@ -1546,6 +1546,12 @@ struct lpfc_hba { u32 cgn_sig_freq; u32 cgn_acqe_cnt; + /* RX monitor handling for CMF */ + struct rxtable_entry *rxtable; /* RX_monitor information */ + atomic_t rxtable_idx_head; +#define LPFC_RXMONITOR_TABLE_IN_USE (LPFC_MAX_RXMONITOR_ENTRY + 73) + atomic_t rxtable_idx_tail; + atomic_t rx_max_read_cnt; /* Maximum read bytes */ uint64_t rx_block_cnt; /* Congestion parameters from flash */ @@ -1591,6 +1597,21 @@ struct lpfc_hba { struct dbg_log_ent dbg_log[DBG_LOG_SZ]; }; +#define LPFC_MAX_RXMONITOR_ENTRY 800 +struct rxtable_entry { + uint64_t total_bytes; /* Total no of read bytes requested */ + uint64_t rcv_bytes; /* Total no of read bytes completed */ + uint64_t avg_io_size; + uint64_t avg_io_latency;/* Average io latency in microseconds */ + uint64_t max_read_cnt; /* Maximum read bytes */ + uint64_t max_bytes_per_interval; + uint32_t cmf_busy; + uint32_t cmf_info; /* CMF_SYNC_WQE info */ + uint32_t io_cnt; + uint32_t timer_utilization; + uint32_t timer_interval; +}; + static inline struct Scsi_Host * lpfc_shost_from_vport(struct lpfc_vport *vport) { |