cam_xpt.c (03e3511b4785684311cab4f49c3f7de5d7a1cfe5) cam_xpt.c (d05caa00c57ff92069fd5e1991bfbff2ee836722)
1/*
2 * Implementation of the Common Access Method Transport (XPT) layer.
3 *
4 * Copyright (c) 1997, 1998 Justin T. Gibbs.
5 * Copyright (c) 1997, 1998 Kenneth D. Merry.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without

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21 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
1/*
2 * Implementation of the Common Access Method Transport (XPT) layer.
3 *
4 * Copyright (c) 1997, 1998 Justin T. Gibbs.
5 * Copyright (c) 1997, 1998 Kenneth D. Merry.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without

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21 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * $Id: cam_xpt.c,v 1.13 1998/09/24 22:43:54 gibbs Exp $
29 * $Id: cam_xpt.c,v 1.14 1998/09/25 22:35:56 gibbs Exp $
30 */
31#include <sys/param.h>
32#include <sys/systm.h>
33#include <sys/types.h>
34#include <sys/malloc.h>
35#include <sys/device.h>
36#include <sys/kernel.h>
37#include <sys/conf.h>

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2512xpt_action(union ccb *start_ccb)
2513{
2514 CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_TRACE, ("xpt_action\n"));
2515
2516 start_ccb->ccb_h.status = CAM_REQ_INPROG;
2517
2518 switch (start_ccb->ccb_h.func_code) {
2519 case XPT_SCSI_IO:
30 */
31#include <sys/param.h>
32#include <sys/systm.h>
33#include <sys/types.h>
34#include <sys/malloc.h>
35#include <sys/device.h>
36#include <sys/kernel.h>
37#include <sys/conf.h>

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2512xpt_action(union ccb *start_ccb)
2513{
2514 CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_TRACE, ("xpt_action\n"));
2515
2516 start_ccb->ccb_h.status = CAM_REQ_INPROG;
2517
2518 switch (start_ccb->ccb_h.func_code) {
2519 case XPT_SCSI_IO:
2520 {
2521#ifdef CAMDEBUG
2522 char cdb_str[(SCSI_MAX_CDBLEN * 3) + 1];
2523 struct cam_path *path;
2524
2525 path = start_ccb->ccb_h.path;
2526#endif
2527
2520 /*
2521 * For the sake of compatibility with SCSI-1
2522 * devices that may not understand the identify
2523 * message, we include lun information in the
2524 * second byte of all commands. SCSI-1 specifies
2525 * that luns are a 3 bit value and reserves only 3
2526 * bits for lun information in the CDB. Later
2527 * revisions of the SCSI spec allow for more than 8

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2538 && (start_ccb->ccb_h.flags & CAM_CDB_POINTER) == 0) {
2539
2540 start_ccb->csio.cdb_io.cdb_bytes[1] |=
2541 start_ccb->ccb_h.target_lun << 5;
2542 }
2543 start_ccb->csio.scsi_status = SCSI_STATUS_OK;
2544 start_ccb->csio.sense_resid = 0;
2545 start_ccb->csio.resid = 0;
2528 /*
2529 * For the sake of compatibility with SCSI-1
2530 * devices that may not understand the identify
2531 * message, we include lun information in the
2532 * second byte of all commands. SCSI-1 specifies
2533 * that luns are a 3 bit value and reserves only 3
2534 * bits for lun information in the CDB. Later
2535 * revisions of the SCSI spec allow for more than 8

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2546 && (start_ccb->ccb_h.flags & CAM_CDB_POINTER) == 0) {
2547
2548 start_ccb->csio.cdb_io.cdb_bytes[1] |=
2549 start_ccb->ccb_h.target_lun << 5;
2550 }
2551 start_ccb->csio.scsi_status = SCSI_STATUS_OK;
2552 start_ccb->csio.sense_resid = 0;
2553 start_ccb->csio.resid = 0;
2554 CAM_DEBUG(path, CAM_DEBUG_CDB,("%s. CDB: %s\n",
2555 scsi_op_desc(start_ccb->csio.cdb_io.cdb_bytes[0],
2556 &path->device->inq_data),
2557 scsi_cdb_string(start_ccb->csio.cdb_io.cdb_bytes,
2558 cdb_str)));
2546 /* FALLTRHOUGH */
2559 /* FALLTRHOUGH */
2560 }
2547 case XPT_TARGET_IO:
2548 case XPT_CONT_TARGET_IO:
2549 case XPT_ENG_EXEC:
2550 {
2551 struct cam_path *path;
2552 int s;
2553 int runq;
2554

--- 3226 unchanged lines hidden --- 		2561 case XPT_TARGET_IO:
2562 case XPT_CONT_TARGET_IO:
2563 case XPT_ENG_EXEC:
2564 {
2565 struct cam_path *path;
2566 int s;
2567 int runq;
2568

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