[SCSI] bfa: Add support to configure min/max bandwidth for a pcifn
- Added support to configure minimum bandwidth for a pcifn.
- Minimum bandwith is guaranteed at per queue level.
- Added support to update pcifn bandwidth dynamically without
a server reboot.
Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
diff --git a/drivers/scsi/bfa/bfad_bsg.c b/drivers/scsi/bfa/bfad_bsg.c
index 6e1478a..0ab1d40 100644
--- a/drivers/scsi/bfa/bfad_bsg.c
+++ b/drivers/scsi/bfa/bfad_bsg.c
@@ -33,7 +33,7 @@
/* If IOC is not in disabled state - return */
if (!bfa_ioc_is_disabled(&bfad->bfa.ioc)) {
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
- iocmd->status = BFA_STATUS_IOC_FAILURE;
+ iocmd->status = BFA_STATUS_OK;
return rc;
}
@@ -54,6 +54,12 @@
unsigned long flags;
spin_lock_irqsave(&bfad->bfad_lock, flags);
+ if (bfa_ioc_is_disabled(&bfad->bfa.ioc)) {
+ spin_unlock_irqrestore(&bfad->bfad_lock, flags);
+ iocmd->status = BFA_STATUS_OK;
+ return rc;
+ }
+
if (bfad->disable_active) {
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
return -EBUSY;
@@ -1191,8 +1197,8 @@
spin_lock_irqsave(&bfad->bfad_lock, flags);
iocmd->status = bfa_ablk_pf_create(&bfad->bfa.modules.ablk,
&iocmd->pcifn_id, iocmd->port,
- iocmd->pcifn_class, iocmd->bandwidth,
- bfad_hcb_comp, &fcomp);
+ iocmd->pcifn_class, iocmd->bw_min,
+ iocmd->bw_max, bfad_hcb_comp, &fcomp);
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
if (iocmd->status != BFA_STATUS_OK)
goto out;
@@ -1235,8 +1241,8 @@
init_completion(&fcomp.comp);
spin_lock_irqsave(&bfad->bfad_lock, flags);
iocmd->status = bfa_ablk_pf_update(&bfad->bfa.modules.ablk,
- iocmd->pcifn_id, iocmd->bandwidth,
- bfad_hcb_comp, &fcomp);
+ iocmd->pcifn_id, iocmd->bw_min,
+ iocmd->bw_max, bfad_hcb_comp, &fcomp);
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
bfa_trc(bfad, iocmd->status);
if (iocmd->status != BFA_STATUS_OK)
@@ -2122,7 +2128,7 @@
init_completion(&fcomp.comp);
spin_lock_irqsave(&bfad->bfad_lock, flags);
iocmd->status = bfa_flash_update_part(BFA_FLASH(&bfad->bfa),
- BFA_FLASH_PART_BOOT, PCI_FUNC(bfad->pcidev->devfn),
+ BFA_FLASH_PART_BOOT, bfad->bfa.ioc.port_id,
&iocmd->cfg, sizeof(struct bfa_boot_cfg_s), 0,
bfad_hcb_comp, &fcomp);
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
@@ -2144,7 +2150,7 @@
init_completion(&fcomp.comp);
spin_lock_irqsave(&bfad->bfad_lock, flags);
iocmd->status = bfa_flash_read_part(BFA_FLASH(&bfad->bfa),
- BFA_FLASH_PART_BOOT, PCI_FUNC(bfad->pcidev->devfn),
+ BFA_FLASH_PART_BOOT, bfad->bfa.ioc.port_id,
&iocmd->cfg, sizeof(struct bfa_boot_cfg_s), 0,
bfad_hcb_comp, &fcomp);
spin_unlock_irqrestore(&bfad->bfad_lock, flags);