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| author | Christoph Hellwig <hch@lst.de> | 2019-06-17 14:19:53 +0200 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2019-07-16 23:01:49 -0400 |
| commit | 7ad388d8e4c703980b7018b938cdeec58832d78d (patch) | |
| tree | 26c50ab746ca4a8139179ee043beaa413ffe0558 /include/scsi | |
| parent | f9b0530fa02e0c73f31a49ef743e8f44eb8e32cc (diff) | |
| download | linux-7ad388d8e4c703980b7018b938cdeec58832d78d.tar.gz linux-7ad388d8e4c703980b7018b938cdeec58832d78d.tar.bz2 linux-7ad388d8e4c703980b7018b938cdeec58832d78d.zip | |
scsi: core: add a host / host template field for the virt boundary
This allows drivers setting it up easily instead of branching out to block
layer calls in slave_alloc, and ensures the upgraded max_segment_size
setting gets picked up by the DMA layer.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Kashyap Desai < kashyap.desai@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'include/scsi')
| -rw-r--r-- | include/scsi/scsi_host.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h index a5fcdad4a03e..cc139dbd71e5 100644 --- a/include/scsi/scsi_host.h +++ b/include/scsi/scsi_host.h @@ -369,6 +369,8 @@ struct scsi_host_template { */ unsigned long dma_boundary; + unsigned long virt_boundary_mask; + /* * This specifies "machine infinity" for host templates which don't * limit the transfer size. Note this limit represents an absolute @@ -587,6 +589,7 @@ struct Scsi_Host { unsigned int max_sectors; unsigned int max_segment_size; unsigned long dma_boundary; + unsigned long virt_boundary_mask; /* * In scsi-mq mode, the number of hardware queues supported by the LLD. * |