diff options
| author | Justin Tee <justin.tee@broadcom.com> | 2023-07-12 11:05:19 -0700 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2023-07-23 16:17:07 -0400 |
| commit | d668b368efc2fca15bf785c44b449d38d6b50553 (patch) | |
| tree | ab828bb1949314b2ce86bbd151b1ae9808ba6d74 /drivers/scsi/lpfc/lpfc.h | |
| parent | 089ea22e374aa20043e72243c47b5867d5419d38 (diff) | |
scsi: lpfc: Refactor cpu affinity assignment paths
During initialization, a lot of the same logic is used on MSI-X vector CPU
affinity assignment.
Create a lpfc_next_present_cpu() helper routine, and apply its usage for
refactoring purposes.
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Link: https://lore.kernel.org/r/20230712180522.112722-10-justintee8345@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 | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h index e8d7eeeb2185..bc1c5f6df090 100644 --- a/drivers/scsi/lpfc/lpfc.h +++ b/drivers/scsi/lpfc/lpfc.h @@ -1710,6 +1710,25 @@ lpfc_next_online_cpu(const struct cpumask *mask, unsigned int start) return cpu_it; } /** + * lpfc_next_present_cpu - Finds next present CPU after n + * @n: the cpu prior to search + * + * Note: If no next present cpu, then fallback to first present cpu. + * + **/ +static inline unsigned int lpfc_next_present_cpu(int n) +{ + unsigned int cpu; + + cpu = cpumask_next(n, cpu_present_mask); + + if (cpu >= nr_cpu_ids) + cpu = cpumask_first(cpu_present_mask); + + return cpu; +} + +/** * lpfc_sli4_mod_hba_eq_delay - update EQ delay * @phba: Pointer to HBA context object. * @q: The Event Queue to update. |