From 09a4460ba4434ef0327cd26bf25f2d7afb973251 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Mon, 17 Jun 2019 14:19:57 +0200 Subject: scsi: IB/iser: 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 Acked-by: Sagi Grimberg Reviewed-by: Max Gurtovoy Signed-off-by: Martin K. Petersen --- drivers/infiniband/ulp/iser/iscsi_iser.c | 35 +++++++------------------------- 1 file changed, 7 insertions(+), 28 deletions(-) (limited to 'drivers/infiniband') diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.c b/drivers/infiniband/ulp/iser/iscsi_iser.c index 9c185a8dabd3..841b66397a57 100644 --- a/drivers/infiniband/ulp/iser/iscsi_iser.c +++ b/drivers/infiniband/ulp/iser/iscsi_iser.c @@ -613,6 +613,7 @@ iscsi_iser_session_create(struct iscsi_endpoint *ep, struct Scsi_Host *shost; struct iser_conn *iser_conn = NULL; struct ib_conn *ib_conn; + struct ib_device *ib_dev; u32 max_fr_sectors; shost = iscsi_host_alloc(&iscsi_iser_sht, 0, 0); @@ -643,16 +644,19 @@ iscsi_iser_session_create(struct iscsi_endpoint *ep, } ib_conn = &iser_conn->ib_conn; + ib_dev = ib_conn->device->ib_device; if (ib_conn->pi_support) { - u32 sig_caps = ib_conn->device->ib_device->attrs.sig_prot_cap; + u32 sig_caps = ib_dev->attrs.sig_prot_cap; scsi_host_set_prot(shost, iser_dif_prot_caps(sig_caps)); scsi_host_set_guard(shost, SHOST_DIX_GUARD_IP | SHOST_DIX_GUARD_CRC); } - if (iscsi_host_add(shost, - ib_conn->device->ib_device->dev.parent)) { + if (!(ib_dev->attrs.device_cap_flags & IB_DEVICE_SG_GAPS_REG)) + shost->virt_boundary_mask = ~MASK_4K; + + if (iscsi_host_add(shost, ib_dev->dev.parent)) { mutex_unlock(&iser_conn->state_mutex); goto free_host; } @@ -958,30 +962,6 @@ static umode_t iser_attr_is_visible(int param_type, int param) return 0; } -static int iscsi_iser_slave_alloc(struct scsi_device *sdev) -{ - struct iscsi_session *session; - struct iser_conn *iser_conn; - struct ib_device *ib_dev; - - mutex_lock(&unbind_iser_conn_mutex); - - session = starget_to_session(scsi_target(sdev))->dd_data; - iser_conn = session->leadconn->dd_data; - if (!iser_conn) { - mutex_unlock(&unbind_iser_conn_mutex); - return -ENOTCONN; - } - ib_dev = iser_conn->ib_conn.device->ib_device; - - if (!(ib_dev->attrs.device_cap_flags & IB_DEVICE_SG_GAPS_REG)) - blk_queue_virt_boundary(sdev->request_queue, ~MASK_4K); - - mutex_unlock(&unbind_iser_conn_mutex); - - return 0; -} - static struct scsi_host_template iscsi_iser_sht = { .module = THIS_MODULE, .name = "iSCSI Initiator over iSER", @@ -994,7 +974,6 @@ static struct scsi_host_template iscsi_iser_sht = { .eh_device_reset_handler= iscsi_eh_device_reset, .eh_target_reset_handler = iscsi_eh_recover_target, .target_alloc = iscsi_target_alloc, - .slave_alloc = iscsi_iser_slave_alloc, .proc_name = "iscsi_iser", .this_id = -1, .track_queue_depth = 1, -- cgit v1.2.3-59-g8ed1b