diff options
Diffstat (limited to 'include/scsi')
| -rw-r--r-- | include/scsi/scsi_device.h | 3 | ||||
| -rw-r--r-- | include/scsi/scsi_host.h | 7 |
2 files changed, 10 insertions, 0 deletions
diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h index c3cba2aaf934..bc5909033d13 100644 --- a/include/scsi/scsi_device.h +++ b/include/scsi/scsi_device.h @@ -229,6 +229,9 @@ struct scsi_device { struct scsi_device_handler *handler; void *handler_data; + size_t dma_drain_len; + void *dma_drain_buf; + unsigned char access_state; struct mutex state_mutex; enum scsi_device_state sdev_state; diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h index 822e8cda8d9b..46ef8cccc982 100644 --- a/include/scsi/scsi_host.h +++ b/include/scsi/scsi_host.h @@ -271,6 +271,13 @@ struct scsi_host_template { int (* map_queues)(struct Scsi_Host *shost); /* + * Check if scatterlists need to be padded for DMA draining. + * + * Status: OPTIONAL + */ + bool (* dma_need_drain)(struct request *rq); + + /* * This function determines the BIOS parameters for a given * harddisk. These tend to be numbers that are made up by * the host adapter. Parameters: |