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/*-
* CAM ioctl compatibility shims
*
* Copyright (c) 2013 Scott Long
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer,
* without modification, immediately at the beginning of the file.
* 2. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/types.h>
#include <sys/kernel.h>
#include <sys/conf.h>
#include <sys/fcntl.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <sys/sysctl.h>
#include <sys/kthread.h>
#include <cam/cam.h>
#include <cam/cam_ccb.h>
#include <cam/cam_compat.h>
#include <cam/scsi/scsi_pass.h>
#include "opt_cam.h"
int
cam_compat_ioctl(struct cdev *dev, u_long *cmd, caddr_t *addr, int *flag, struct thread *td)
{
int error;
switch (*cmd) {
case CAMIOCOMMAND_0x16:
{
union ccb *ccb;
ccb = (union ccb *)*addr;
if (ccb->ccb_h.flags & CAM_SG_LIST_PHYS_0x16) {
ccb->ccb_h.flags &= ~CAM_SG_LIST_PHYS_0x16;
ccb->ccb_h.flags |= CAM_DATA_SG_PADDR;
}
if (ccb->ccb_h.flags & CAM_DATA_PHYS_0x16) {
ccb->ccb_h.flags &= ~CAM_DATA_PHYS_0x16;
ccb->ccb_h.flags |= CAM_DATA_PADDR;
}
if (ccb->ccb_h.flags & CAM_SCATTER_VALID_0x16) {
ccb->ccb_h.flags &= CAM_SCATTER_VALID_0x16;
ccb->ccb_h.flags |= CAM_DATA_SG;
}
*cmd = CAMIOCOMMAND;
error = EAGAIN;
break;
}
case CAMGETPASSTHRU_0x16:
*cmd = CAMGETPASSTHRU;
error = EAGAIN;
break;
default:
error = ENOTTY;
}
return (error);
}
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