diff options
| author | Avri Altman <avri.altman@wdc.com> | 2021-07-12 12:50:39 +0300 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2021-08-01 16:05:15 -0400 |
| commit | f95f59a2bb60f917faf516f2f0a679dc4e58f490 (patch) | |
| tree | f060195f7ac69eb856b459a634cebb9f9dbd0b1b /drivers/scsi/ufs/ufshpb.h | |
| parent | 5dea655a09e6395f461ba0f9d38914c2c0d772e4 (diff) | |
scsi: ufs: ufshpb: Make host mode parameters configurable
Elaborate some more on the host control mode logic parameters, explaining
what they do and how to configure them.
Link: https://lore.kernel.org/r/20210712095039.8093-13-avri.altman@wdc.com
Reviewed-by: Daejun Park <daejun7.park@samsung.com>
Signed-off-by: Avri Altman <avri.altman@wdc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/ufs/ufshpb.h')
| -rw-r--r-- | drivers/scsi/ufs/ufshpb.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/scsi/ufs/ufshpb.h b/drivers/scsi/ufs/ufshpb.h index edf565e9036f..c74a6c35a446 100644 --- a/drivers/scsi/ufs/ufshpb.h +++ b/drivers/scsi/ufs/ufshpb.h @@ -185,8 +185,28 @@ struct victim_select_info { atomic_t active_cnt; }; +/** + * ufshpb_params - ufs hpb parameters + * @requeue_timeout_ms - requeue threshold of wb command (0x2) + * @activation_thld - min reads [IOs] to activate/update a region + * @normalization_factor - shift right the region's reads + * @eviction_thld_enter - min reads [IOs] for the entering region in eviction + * @eviction_thld_exit - max reads [IOs] for the exiting region in eviction + * @read_timeout_ms - timeout [ms] from the last read IO to the region + * @read_timeout_expiries - amount of allowable timeout expireis + * @timeout_polling_interval_ms - frequency in which timeouts are checked + * @inflight_map_req - number of inflight map requests + */ struct ufshpb_params { unsigned int requeue_timeout_ms; + unsigned int activation_thld; + unsigned int normalization_factor; + unsigned int eviction_thld_enter; + unsigned int eviction_thld_exit; + unsigned int read_timeout_ms; + unsigned int read_timeout_expiries; + unsigned int timeout_polling_interval_ms; + unsigned int inflight_map_req; }; struct ufshpb_stats { |