/* $NetBSD: wdvar.h,v 1.46 2017/11/03 13:01:26 mlelstv Exp $ */ /* * Copyright (c) 1998, 2001 Manuel Bouyer. * * 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. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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. */ #ifndef _DEV_ATA_WDVAR_H_ #define _DEV_ATA_WDVAR_H_ #ifdef _KERNEL_OPT #include "opt_wd.h" #endif #include #include struct wd_softc { /* General disk infos */ struct dk_softc sc_dksc; kmutex_t sc_lock; int sc_quirks; /* any quirks drive might have */ /* IDE disk soft states */ struct ata_drive_datas *drvp; /* Our controller's infos */ const struct ata_bustype *atabus; struct ataparams sc_params;/* drive characteristics found */ int sc_flags; /* * XXX Nothing resets this yet, but disk change sensing will when ATA-4 is * more fully implemented. */ #define WDF_LOADED 0x010 /* parameters loaded */ #define WDF_WAIT 0x020 /* waiting for resources */ #define WDF_LBA 0x040 /* using LBA mode */ #define WDF_LBA48 0x100 /* using 48-bit LBA mode */ #define WDF_FLUSH_PEND 0x200 /* cache flush waits for free xfer */ #define WDF_OPEN 0x400 /* device is open */ uint64_t sc_capacity; /* full capacity of the device */ uint64_t sc_capacity512; /* ... in DEV_BSIZE blocks */ uint32_t sc_capacity28; /* capacity accessible with LBA28 commands */ uint32_t sc_blksize; /* logical block size, in bytes */ #ifdef WD_SOFTBADSECT SLIST_HEAD(, disk_badsectors) sc_bslist; u_int sc_bscount; #endif /* Sysctl nodes specific for the disk */ struct sysctllog *nodelog; int drv_max_tags; #define WD_MAX_OPENINGS(wd) \ (MAX(1, MIN((wd)->drvp->drv_openings, (wd)->drv_max_tags))) bool drv_ncq; #define WD_USE_NCQ(wd) \ ((wd)->drv_ncq && ((wd)->drvp->drive_flags & ATA_DRIVE_NCQ)) bool drv_ncq_prio; #define WD_USE_NCQ_PRIO(wd) \ ((wd)->drv_ncq_prio && ((wd)->drvp->drive_flags & ATA_DRIVE_NCQ_PRIO)) #ifdef WD_CHAOS_MONKEY int drv_chaos_freq; /* frequency of simulated bio errors */ int drv_chaos_cnt; /* count of processed bio read xfers */ #endif }; #endif /* _DEV_ATA_WDVAR_H_ */