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scsi: IB/srp: set virt_boundary_mask in the scsi host 

This ensures all proper DMA layer handling is taken care of by the SCSI
midlayer.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Acked-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Max Gurtovoy <maxg@mellanox.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Christoph Hellwig 2019-06-17 14:19:58 +02:00 committed by Martin K. Petersen
parent 09a4460ba4
commit 8c175d3131
1 changed files with 3 additions and 15 deletions
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18
drivers/infiniband/ulp/srp/ib_srp.c
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@ -3044,20 +3044,6 @@ static int srp_target_alloc(struct scsi_target *starget)
return 0;
}
static int srp_slave_alloc(struct scsi_device *sdev)
{
struct Scsi_Host *shost = sdev->host;
struct srp_target_port *target = host_to_target(shost);
struct srp_device *srp_dev = target->srp_host->srp_dev;
struct ib_device *ibdev = srp_dev->dev;
if (!(ibdev->attrs.device_cap_flags & IB_DEVICE_SG_GAPS_REG))
blk_queue_virt_boundary(sdev->request_queue,
~srp_dev->mr_page_mask);
return 0;
}
static int srp_slave_configure(struct scsi_device *sdev)
{
struct Scsi_Host *shost = sdev->host;
@ -3260,7 +3246,6 @@ static struct scsi_host_template srp_template = {
.name = "InfiniBand SRP initiator",
.proc_name = DRV_NAME,
.target_alloc = srp_target_alloc,
.slave_alloc = srp_slave_alloc,
.slave_configure = srp_slave_configure,
.info = srp_target_info,
.queuecommand = srp_queuecommand,
@ -3795,6 +3780,9 @@ static ssize_t srp_create_target(struct device *dev,
target_host->max_cmd_len = sizeof ((struct srp_cmd *) (void *) 0L)->cdb;
target_host->max_segment_size = ib_dma_max_seg_size(ibdev);
if (!(ibdev->attrs.device_cap_flags & IB_DEVICE_SG_GAPS_REG))
target_host->virt_boundary_mask = ~srp_dev->mr_page_mask;
target = host_to_target(target_host);
target->net = kobj_ns_grab_current(KOBJ_NS_TYPE_NET);