iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

scsi: lpfc: Update congestion warning notification period

Browse Source 
The CMF_SYNC_WQE command is updated to use an 8-bit field sync period.  All
related variables used to calculate congestion warning notifications are
updated to 8-bit fields accordingly.

Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Link: https://lore.kernel.org/r/20230417191558.83100-5-justintee8345@gmail.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Justin Tee 2023-04-17 12:15:55 -07:00 committed by Martin K. Petersen
parent 78e9e35004
commit 779d61dfb9
4 changed files with 6 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/scsi/lpfc/lpfc_attr.c
View File

@ -5858,8 +5858,8 @@ int lpfc_fabric_cgn_frequency = 100; /* 100 ms default */
module_param(lpfc_fabric_cgn_frequency, int, 0444);
MODULE_PARM_DESC(lpfc_fabric_cgn_frequency, "Congestion signaling fabric freq");
int lpfc_acqe_cgn_frequency = 10; /* 10 sec default */
module_param(lpfc_acqe_cgn_frequency, int, 0444);
unsigned char lpfc_acqe_cgn_frequency = 10; /* 10 sec default */
module_param(lpfc_acqe_cgn_frequency, byte, 0444);
MODULE_PARM_DESC(lpfc_acqe_cgn_frequency, "Congestion signaling ACQE freq");
int lpfc_use_cgn_signal = 1; /* 0 - only use FPINs, 1 - Use signals if avail */

2
drivers/scsi/lpfc/lpfc_crtn.h
View File

@ -663,7 +663,7 @@ extern int lpfc_enable_nvmet_cnt;
extern unsigned long long lpfc_enable_nvmet[];
extern int lpfc_no_hba_reset_cnt;
extern unsigned long lpfc_no_hba_reset[];
extern int lpfc_acqe_cgn_frequency;
extern unsigned char lpfc_acqe_cgn_frequency;
extern int lpfc_fabric_cgn_frequency;
extern int lpfc_use_cgn_signal;

4
drivers/scsi/lpfc/lpfc_hw4.h
View File

@ -4813,8 +4813,8 @@ struct cmf_sync_wqe {
#define cmf_sync_cqid_WORD word11
uint32_t read_bytes;
uint32_t word13;
#define cmf_sync_period_SHIFT 16
#define cmf_sync_period_MASK 0x0000ffff
#define cmf_sync_period_SHIFT 24
#define cmf_sync_period_MASK 0x000000ff
#define cmf_sync_period_WORD word13
uint32_t word14;
uint32_t word15;

2
drivers/scsi/lpfc/lpfc_sli.c
View File

@ -1931,7 +1931,7 @@ lpfc_issue_cmf_sync_wqe(struct lpfc_hba *phba, u32 ms, u64 total)
unsigned long iflags;
u32 ret_val;
u32 atot, wtot, max;
u16 warn_sync_period = 0;
u8 warn_sync_period = 0;
/* First address any alarm / warning activity */
atot = atomic_xchg(&phba->cgn_sync_alarm_cnt, 0);