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authorChristoph Hellwig <hch@lst.de>2019-06-17 14:19:53 +0200
committerMartin K. Petersen <martin.petersen@oracle.com>2019-07-16 23:01:49 -0400
commit7ad388d8e4c703980b7018b938cdeec58832d78d (patch)
tree26c50ab746ca4a8139179ee043beaa413ffe0558 /include/scsi
parentf9b0530fa02e0c73f31a49ef743e8f44eb8e32cc (diff)
downloadlinux-7ad388d8e4c703980b7018b938cdeec58832d78d.tar.bz2
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.h3
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.
*