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blk-mq: Allow PCI vector offset for mapping queues

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The PCI interrupt vectors intended to be associated with a queue may
not start at 0; a driver may allocate pre_vectors for special use. This
patch adds an offset parameter so blk-mq may find the intended affinity
mask and updates all drivers using this API accordingly.

Cc: Don Brace <[email protected]>
Cc: <[email protected]>
Cc: <[email protected]>
Signed-off-by: Keith Busch <[email protected]>
Reviewed-by: Ming Lei <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
This commit is contained in:
Keith Busch 2018-03-27 09:39:06 -06:00 • committed by Jens Axboe
commit f23f5bece6
5 changed files with 9 additions and 6 deletions
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2
drivers/scsi/qla2xxx/qla_os.c
View file

@ -6805,7 +6805,7 @@ static int qla2xxx_map_queues(struct Scsi_Host *shost)
if (USER_CTRL_IRQ(vha->hw))
rc = blk_mq_map_queues(&shost->tag_set);
else
rc = blk_mq_pci_map_queues(&shost->tag_set, vha->hw->pdev);
rc = blk_mq_pci_map_queues(&shost->tag_set, vha->hw->pdev, 0);
return rc;
}

2
drivers/scsi/smartpqi/smartpqi_init.c
View file

@ -5348,7 +5348,7 @@ static int pqi_map_queues(struct Scsi_Host *shost)
{
struct pqi_ctrl_info *ctrl_info = shost_to_hba(shost);
return blk_mq_pci_map_queues(&shost->tag_set, ctrl_info->pci_dev);
return blk_mq_pci_map_queues(&shost->tag_set, ctrl_info->pci_dev, 0);
}
static int pqi_getpciinfo_ioctl(struct pqi_ctrl_info *ctrl_info,