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scsi_low.c (198356) scsi_low.c (203108)
1/* $NecBSD: scsi_low.c,v 1.24.10.8 2001/06/26 07:39:44 honda Exp $ */
2/* $NetBSD$ */
3
4#include <sys/cdefs.h>
1/* $NecBSD: scsi_low.c,v 1.24.10.8 2001/06/26 07:39:44 honda Exp $ */
2/* $NetBSD$ */
3
4#include <sys/cdefs.h>
5__FBSDID("$FreeBSD: head/sys/cam/scsi/scsi_low.c 198356 2009-10-22 06:13:07Z brueffer $");
5__FBSDID("$FreeBSD: head/sys/cam/scsi/scsi_low.c 203108 2010-01-28 08:41:30Z mav $");
6
7#define SCSI_LOW_STATICS
8#define SCSI_LOW_DEBUG
9#define SCSI_LOW_NEGOTIATE_BEFORE_SENSE
10#define SCSI_LOW_START_UP_CHECK
11
12/* #define SCSI_LOW_INFO_DETAIL */
13

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890/**************************************************************
891 * SCSI INTERFACE (CAM)
892 **************************************************************/
893#define SCSI_LOW_MALLOC(size) malloc((size), M_SCSILOW, M_NOWAIT)
894#define SCSI_LOW_FREE(pt) free((pt), M_SCSILOW)
895#define SCSI_LOW_ALLOC_CCB(flags) scsi_low_get_ccb()
896
897static void scsi_low_poll_cam(struct cam_sim *);
6
7#define SCSI_LOW_STATICS
8#define SCSI_LOW_DEBUG
9#define SCSI_LOW_NEGOTIATE_BEFORE_SENSE
10#define SCSI_LOW_START_UP_CHECK
11
12/* #define SCSI_LOW_INFO_DETAIL */
13

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890/**************************************************************
891 * SCSI INTERFACE (CAM)
892 **************************************************************/
893#define SCSI_LOW_MALLOC(size) malloc((size), M_SCSILOW, M_NOWAIT)
894#define SCSI_LOW_FREE(pt) free((pt), M_SCSILOW)
895#define SCSI_LOW_ALLOC_CCB(flags) scsi_low_get_ccb()
896
897static void scsi_low_poll_cam(struct cam_sim *);
898static void scsi_low_cam_rescan_callback(struct cam_periph *, union ccb *);
899static void scsi_low_rescan_bus_cam(struct scsi_low_softc *);
900void scsi_low_scsi_action_cam(struct cam_sim *, union ccb *);
901
902static int scsi_low_attach_cam(struct scsi_low_softc *);
903static int scsi_low_world_start_cam(struct scsi_low_softc *);
904static int scsi_low_dettach_cam(struct scsi_low_softc *);
905static int scsi_low_ccb_setup_cam(struct scsi_low_softc *, struct slccb *);
906static int scsi_low_done_cam(struct scsi_low_softc *, struct slccb *);
907static void scsi_low_timeout_cam(struct scsi_low_softc *, int, int);

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949 if (slp->sl_si.si_poll_count ++ >=
950 SCSI_LOW_CAM_POLL_HZ / SCSI_LOW_TIMEOUT_HZ)
951 {
952 slp->sl_si.si_poll_count = 0;
953 scsi_low_timeout_check(slp);
954 }
955}
956
898void scsi_low_scsi_action_cam(struct cam_sim *, union ccb *);
899
900static int scsi_low_attach_cam(struct scsi_low_softc *);
901static int scsi_low_world_start_cam(struct scsi_low_softc *);
902static int scsi_low_dettach_cam(struct scsi_low_softc *);
903static int scsi_low_ccb_setup_cam(struct scsi_low_softc *, struct slccb *);
904static int scsi_low_done_cam(struct scsi_low_softc *, struct slccb *);
905static void scsi_low_timeout_cam(struct scsi_low_softc *, int, int);

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947 if (slp->sl_si.si_poll_count ++ >=
948 SCSI_LOW_CAM_POLL_HZ / SCSI_LOW_TIMEOUT_HZ)
949 {
950 slp->sl_si.si_poll_count = 0;
951 scsi_low_timeout_check(slp);
952 }
953}
954
957static void
958scsi_low_cam_rescan_callback(periph, ccb)
959 struct cam_periph *periph;
960 union ccb *ccb;
961{
962
963 xpt_free_path(ccb->ccb_h.path);
964 xpt_free_ccb(ccb);
965}
966
967static void
968scsi_low_rescan_bus_cam(slp)
969 struct scsi_low_softc *slp;
970{
971 struct cam_path *path;
972 union ccb *ccb;
973 cam_status status;
974
975 status = xpt_create_path(&path, xpt_periph,
976 cam_sim_path(slp->sl_si.sim), -1, 0);
977 if (status != CAM_REQ_CMP)
978 return;
979
980 ccb = xpt_alloc_ccb();
981 bzero(ccb, sizeof(union ccb));
982 xpt_setup_ccb(&ccb->ccb_h, path, 5);
983 ccb->ccb_h.func_code = XPT_SCAN_BUS;
984 ccb->ccb_h.cbfcnp = scsi_low_cam_rescan_callback;
985 ccb->crcn.flags = CAM_FLAG_NONE;
986 xpt_action(ccb);
987}
988
989void
990scsi_low_scsi_action_cam(sim, ccb)
991 struct cam_sim *sim;
992 union ccb *ccb;
993{
994 struct scsi_low_softc *slp = SIM2SLP(sim);
995 struct targ_info *ti;
996 struct lun_info *li;

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1371 return 0;
1372}
1373
1374static int
1375scsi_low_world_start_cam(slp)
1376 struct scsi_low_softc *slp;
1377{
1378
955void
956scsi_low_scsi_action_cam(sim, ccb)
957 struct cam_sim *sim;
958 union ccb *ccb;
959{
960 struct scsi_low_softc *slp = SIM2SLP(sim);
961 struct targ_info *ti;
962 struct lun_info *li;

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1337 return 0;
1338}
1339
1340static int
1341scsi_low_world_start_cam(slp)
1342 struct scsi_low_softc *slp;
1343{
1344
1379 if (!cold)
1380 scsi_low_rescan_bus_cam(slp);
1381 return 0;
1382}
1383
1384static int
1385scsi_low_dettach_cam(slp)
1386 struct scsi_low_softc *slp;
1387{
1388

--- 3467 unchanged lines hidden --- 		1345 return 0;
1346}
1347
1348static int
1349scsi_low_dettach_cam(slp)
1350 struct scsi_low_softc *slp;
1351{
1352

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