scsi_pass.c (6cec9cad762b6476313fb1f8e931a1647822db6b) scsi_pass.c (de2393124c0053d832da9e6de0f675e888ed61c7)
1/*-
2 * Copyright (c) 1997, 1998, 2000 Justin T. Gibbs.
3 * Copyright (c) 1997, 1998, 1999 Kenneth D. Merry.
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:

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72#define ccb_bp ppriv_ptr1
73
74struct pass_softc {
75 pass_state state;
76 pass_flags flags;
77 u_int8_t pd_type;
78 union ccb saved_ccb;
79 int open_count;
1/*-
2 * Copyright (c) 1997, 1998, 2000 Justin T. Gibbs.
3 * Copyright (c) 1997, 1998, 1999 Kenneth D. Merry.
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:

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72#define ccb_bp ppriv_ptr1
73
74struct pass_softc {
75 pass_state state;
76 pass_flags flags;
77 u_int8_t pd_type;
78 union ccb saved_ccb;
79 int open_count;
80 u_int maxio;
80 struct devstat *device_stats;
81 struct cdev *dev;
82 struct cdev *alias_dev;
83 struct task add_physpath_task;
84};
85
86
87static d_open_t passopen;

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361
362 periph->softc = softc;
363
364 bzero(&cpi, sizeof(cpi));
365 xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
366 cpi.ccb_h.func_code = XPT_PATH_INQ;
367 xpt_action((union ccb *)&cpi);
368
81 struct devstat *device_stats;
82 struct cdev *dev;
83 struct cdev *alias_dev;
84 struct task add_physpath_task;
85};
86
87
88static d_open_t passopen;

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362
363 periph->softc = softc;
364
365 bzero(&cpi, sizeof(cpi));
366 xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
367 cpi.ccb_h.func_code = XPT_PATH_INQ;
368 xpt_action((union ccb *)&cpi);
369
370 if (cpi.maxio == 0)
371 softc->maxio = DFLTPHYS; /* traditional default */
372 else if (cpi.maxio > MAXPHYS)
373 softc->maxio = MAXPHYS; /* for safety */
374 else
375 softc->maxio = cpi.maxio; /* real value */
376
369 /*
370 * We pass in 0 for a blocksize, since we don't
371 * know what the blocksize of this device is, if
372 * it even has a blocksize.
373 */
374 cam_periph_unlock(periph);
375 no_tags = (cgd->inq_data.flags & SID_CmdQue) == 0;
376 softc->device_stats = devstat_new_entry("pass",

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652 bzero(&mapinfo, sizeof(mapinfo));
653
654 /*
655 * cam_periph_mapmem calls into proc and vm functions that can
656 * sleep as well as trigger I/O, so we can't hold the lock.
657 * Dropping it here is reasonably safe.
658 */
659 cam_periph_unlock(periph);
377 /*
378 * We pass in 0 for a blocksize, since we don't
379 * know what the blocksize of this device is, if
380 * it even has a blocksize.
381 */
382 cam_periph_unlock(periph);
383 no_tags = (cgd->inq_data.flags & SID_CmdQue) == 0;
384 softc->device_stats = devstat_new_entry("pass",

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660 bzero(&mapinfo, sizeof(mapinfo));
661
662 /*
663 * cam_periph_mapmem calls into proc and vm functions that can
664 * sleep as well as trigger I/O, so we can't hold the lock.
665 * Dropping it here is reasonably safe.
666 */
667 cam_periph_unlock(periph);
660 error = cam_periph_mapmem(ccb, &mapinfo);
668 error = cam_periph_mapmem(ccb, &mapinfo, softc->maxio);
661 cam_periph_lock(periph);
662
663 /*
664 * cam_periph_mapmem returned an error, we can't continue.
665 * Return the error to the user.
666 */
667 if (error)
668 return(error);

--- 35 unchanged lines hidden --- 		669 cam_periph_lock(periph);
670
671 /*
672 * cam_periph_mapmem returned an error, we can't continue.
673 * Return the error to the user.
674 */
675 if (error)
676 return(error);

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