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| author | Christoph Hellwig <hch@lst.de> | 2024-04-09 16:37:32 +0200 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2024-04-11 21:37:48 -0400 |
| commit | 5b7dfbeff92a4a00b55b2be580f057d533b65cd5 (patch) | |
| tree | 9e21994f89ae622706edf982c50d876ea7891216 /include/scsi | |
| parent | 6248d7f7714f018f2c02f356582784e74596f8e8 (diff) | |
| download | linux-5b7dfbeff92a4a00b55b2be580f057d533b65cd5.tar.gz linux-5b7dfbeff92a4a00b55b2be580f057d533b65cd5.tar.bz2 linux-5b7dfbeff92a4a00b55b2be580f057d533b65cd5.zip | |
scsi: core: Add a dma_alignment field to the host and host template
Get drivers out of the business of having to call the block layer DMA
alignment limits helpers themselves.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20240409143748.980206-8-hch@lst.de
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: John Garry <john.g.garry@oracle.com>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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 6d77c48e8311..b0948ab69e0f 100644 --- a/include/scsi/scsi_host.h +++ b/include/scsi/scsi_host.h @@ -405,6 +405,8 @@ struct scsi_host_template { */ unsigned int max_segment_size; + unsigned int dma_alignment; + /* * DMA scatter gather segment boundary limit. A segment crossing this * boundary will be split in two. @@ -614,6 +616,7 @@ struct Scsi_Host { unsigned int max_sectors; unsigned int opt_sectors; unsigned int max_segment_size; + unsigned int dma_alignment; unsigned long dma_boundary; unsigned long virt_boundary_mask; /* |