diff options
Diffstat (limited to 'include/scsi/scsi_host.h')
| -rw-r--r-- | include/scsi/scsi_host.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h index f0e8a9e73002..d95c1502e17d 100644 --- a/include/scsi/scsi_host.h +++ b/include/scsi/scsi_host.h @@ -281,6 +281,16 @@ struct scsi_host_template { int (* map_queues)(struct Scsi_Host *shost); /* + * SCSI interface of blk_poll - poll for IO completions. + * Only applicable if SCSI LLD exposes multiple h/w queues. + * + * Return value: Number of completed entries found. + * + * Status: OPTIONAL + */ + int (* mq_poll)(struct Scsi_Host *shost, unsigned int queue_num); + + /* * Check if scatterlists need to be padded for DMA draining. * * Status: OPTIONAL @@ -622,6 +632,7 @@ struct Scsi_Host { * the total queue depth is can_queue. */ unsigned nr_hw_queues; + unsigned nr_maps; unsigned active_mode:2; unsigned unchecked_isa_dma:1; |