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[fc] Send xfer_window_changed() when FCP link is established

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Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2011-06-24 23:16:17 +01:00
parent bf8bfa23e2
commit 5f608a44a5
3 changed files with 100 additions and 13 deletions
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25
src/net/fcp.c
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@@ -920,6 +920,26 @@ static struct interface_operation fcpdev_scsi_op[] = {
static struct interface_descriptor fcpdev_scsi_desc =
INTF_DESC ( struct fcp_device, scsi, fcpdev_scsi_op );
/**
* Examine FCP ULP link state
*
* @v user Fibre Channel upper-layer protocol user
*/
static void fcpdev_examine ( struct fc_ulp_user *user ) {
struct fcp_device *fcpdev =
container_of ( user, struct fcp_device, user );
if ( fc_link_ok ( &fcpdev->user.ulp->link ) ) {
DBGC ( fcpdev, "FCP %p link is up\n", fcpdev );
} else {
DBGC ( fcpdev, "FCP %p link is down: %s\n",
fcpdev, strerror ( fcpdev->user.ulp->link.rc ) );
}
/* Notify SCSI layer of window change */
xfer_window_changed ( &fcpdev->scsi );
}
/**
* Open FCP device
*
@@ -950,10 +970,13 @@ static int fcpdev_open ( struct interface *parent, struct fc_name *wwn,
ref_init ( &fcpdev->refcnt, NULL );
intf_init ( &fcpdev->scsi, &fcpdev_scsi_desc, &fcpdev->refcnt );
INIT_LIST_HEAD ( &fcpdev->fcpcmds );
fc_ulp_attach ( ulp, &fcpdev->user );
fc_ulp_user_init ( &fcpdev->user, fcpdev_examine, &fcpdev->refcnt );
DBGC ( fcpdev, "FCP %p opened for %s\n", fcpdev, fc_ntoa ( wwn ) );
/* Attach to Fibre Channel ULP */
fc_ulp_attach ( ulp, &fcpdev->user );
/* Preserve parameters required for boot firmware table */
memcpy ( &fcpdev->wwn, wwn, sizeof ( fcpdev->wwn ) );
memcpy ( &fcpdev->lun, lun, sizeof ( fcpdev->lun ) );