1 /* $NetBSD: wdvar.h,v 1.51 2021/12/28 13:27:32 riastradh Exp $ */ 2 3 /* 4 * Copyright (c) 1998, 2001 Manuel Bouyer. 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: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #ifndef _DEV_ATA_WDVAR_H_ 28 #define _DEV_ATA_WDVAR_H_ 29 30 #ifdef _KERNEL_OPT 31 #include "opt_wd.h" 32 #endif 33 34 #include <sys/types.h> 35 36 #include <sys/callout.h> 37 #include <sys/condvar.h> 38 #include <sys/disk.h> 39 #include <sys/mutex.h> 40 #include <sys/sysctl.h> 41 #include <sys/queue.h> 42 43 #include <dev/ata/atareg.h> 44 #include <dev/ata/atavar.h> 45 #include <dev/dkvar.h> 46 47 struct sysctllog; 48 49 struct wd_softc { 50 /* General disk infos */ 51 struct dk_softc sc_dksc; 52 kmutex_t sc_lock; 53 int sc_quirks; /* any quirks drive might have */ 54 55 /* IDE disk soft states */ 56 struct ata_drive_datas *drvp; /* Our controller's infos */ 57 const struct ata_bustype *atabus; 58 struct ataparams sc_params;/* drive characteristics found */ 59 int sc_flags; 60 /* 61 * XXX Nothing resets this yet, but disk change sensing will when ATA-4 is 62 * more fully implemented. 63 */ 64 #define WDF_LOADED 0x010 /* parameters loaded */ 65 #define WDF_WAIT 0x020 /* waiting for resources */ 66 #define WDF_LBA 0x040 /* using LBA mode */ 67 #define WDF_LBA48 0x100 /* using 48-bit LBA mode */ 68 #define WDF_DIRTY 0x200 /* disk cache dirty */ 69 #define WDF_OPEN 0x400 /* device is open */ 70 uint64_t sc_capacity; /* full capacity of the device */ 71 uint64_t sc_capacity512; /* ... in DEV_BSIZE blocks */ 72 uint32_t sc_capacity28; /* capacity accessible with LBA28 commands */ 73 uint32_t sc_blksize; /* logical block size, in bytes */ 74 struct disk_sectoralign sc_sectoralign; /* sector alignment */ 75 76 #ifdef WD_SOFTBADSECT 77 SLIST_HEAD(, disk_badsectors) sc_bslist; 78 u_int sc_bscount; 79 kcondvar_t sc_bslist_cv; 80 u_int sc_bslist_inuse; 81 #endif 82 83 /* Retry/requeue failed transfers */ 84 SLIST_HEAD(, ata_xfer) sc_retry_list; 85 struct callout sc_retry_callout; /* retry callout handle */ 86 struct callout sc_restart_diskqueue; /* restart queue processing */ 87 88 SLIST_HEAD(, ata_xfer) sc_requeue_list; 89 struct callout sc_requeue_callout; /* requeue callout handle */ 90 91 struct ata_xfer dump_xfer; 92 93 /* Sysctl nodes specific for the disk */ 94 struct sysctllog *nodelog; 95 bool drv_ncq; 96 #define WD_USE_NCQ(wd) \ 97 ((wd)->drv_ncq && ((wd)->drvp->drive_flags & ATA_DRIVE_NCQ)) 98 bool drv_ncq_prio; 99 #define WD_USE_NCQ_PRIO(wd) \ 100 ((wd)->drv_ncq_prio && ((wd)->drvp->drive_flags & ATA_DRIVE_NCQ_PRIO)) 101 #ifdef WD_CHAOS_MONKEY 102 int drv_chaos_freq; /* frequency of simulated bio errors */ 103 int drv_chaos_cnt; /* count of processed bio read xfers */ 104 #endif 105 unsigned inflight; 106 char *sc_typename; 107 }; 108 109 #endif /* _DEV_ATA_WDVAR_H_ */ 110