1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #ifndef _SYS_DKTP_DADK_H 27 #define _SYS_DKTP_DADK_H 28 29 #pragma ident "%Z%%M% %I% %E% SMI" 30 31 #ifdef __cplusplus 32 extern "C" { 33 #endif 34 35 #include <sys/dktp/tgcom.h> 36 37 struct dadk { 38 struct tgdk_ext *dad_extp; /* back pointer to ext data */ 39 struct scsi_device *dad_sd; /* back pointer to SCSI_DEVICE */ 40 41 struct tgdk_geom dad_logg; /* logical disk geometry */ 42 struct tgdk_geom dad_phyg; /* physical disk geometry */ 43 44 unsigned dad_rmb : 1; /* removable device */ 45 unsigned dad_rdonly : 1; /* read only device */ 46 unsigned dad_cdrom : 1; /* cdrom device */ 47 unsigned dad_noflush : 1; /* flush cmd unsupported */ 48 unsigned dad_wce : 1; /* disk write cache enabled */ 49 unsigned dad_resv : 3; 50 unsigned char dad_type; /* device type */ 51 unsigned char dad_ctype; /* controller type */ 52 53 short dad_secshf; 54 short dad_blkshf; 55 56 opaque_t dad_bbhobjp; /* bbh object ptr */ 57 opaque_t dad_flcobjp; /* flow control object ptr */ 58 opaque_t dad_ctlobjp; /* controller object ptr */ 59 struct tgcom_obj dad_com; /* com object for flowctrl */ 60 enum dkio_state dad_iostate; /* ejected/inserted */ 61 kmutex_t dad_mutex; /* protect dad_state */ 62 kcondvar_t dad_state_cv; /* condition variable for state */ 63 uchar_t dad_thread_cnt; /* reference count on removable */ 64 /* - disk state watcher thread */ 65 kstat_t *dad_errstats; /* error stats */ 66 kmutex_t dad_cmd_mutex; 67 int dad_cmd_count; 68 }; 69 70 #define DAD_SECSIZ dad_phyg.g_secsiz 71 72 /* 73 * Local definitions, for clarity of code 74 */ 75 76 /* 77 * Parameters 78 */ 79 #define DADK_BSY_TIMEOUT (drv_usectohz(5 * 1000000)) 80 #define DADK_IO_TIME 35 81 #define DADK_FLUSH_CACHE_TIME 60 82 #define DADK_RETRY_COUNT 5 83 #define DADK_SILENT 1 84 85 #define PKT2DADK(pktp) ((struct dadk *)(pktp)->cp_dev_private) 86 87 /* 88 * packet action codes 89 */ 90 #define COMMAND_DONE 0 91 #define COMMAND_DONE_ERROR 1 92 #define QUE_COMMAND 2 93 #define QUE_SENSE 3 94 #define JUST_RETURN 4 95 96 typedef struct dadk_errstats { 97 kstat_named_t dadk_softerrs; /* Collecting Softerrs */ 98 kstat_named_t dadk_harderrs; /* Collecting harderrs */ 99 kstat_named_t dadk_transerrs; /* Collecting Transfer errs */ 100 kstat_named_t dadk_model; /* model # of the disk */ 101 kstat_named_t dadk_revision; /* The disk revision */ 102 kstat_named_t dadk_serial; /* The disk serial number */ 103 kstat_named_t dadk_capacity; /* Capacity of the disk */ 104 kstat_named_t dadk_rq_media_err; /* Any media err seen */ 105 kstat_named_t dadk_rq_ntrdy_err; /* Not ready errs */ 106 kstat_named_t dadk_rq_nodev_err; /* No device errs */ 107 kstat_named_t dadk_rq_recov_err; /* Recovered errs */ 108 kstat_named_t dadk_rq_illrq_err; /* Illegal requests */ 109 } dadk_errstats_t; 110 111 int dadk_init(opaque_t objp, opaque_t devp, opaque_t flcobjp, 112 opaque_t queobjp, opaque_t bbhobjp, void *lkarg); 113 int dadk_free(struct tgdk_obj *dkobjp); 114 int dadk_probe(opaque_t objp, int kmsflg); 115 int dadk_attach(opaque_t objp); 116 int dadk_open(opaque_t objp, int flag); 117 int dadk_close(opaque_t objp); 118 int dadk_ioctl(opaque_t objp, dev_t dev, int cmd, intptr_t arg, 119 int flag, cred_t *cred_p, int *rval_p); 120 int dadk_flushdone(struct buf *bp); 121 int dadk_strategy(opaque_t objp, struct buf *bp); 122 int dadk_setgeom(opaque_t objp, struct tgdk_geom *dkgeom_p); 123 int dadk_getgeom(opaque_t objp, struct tgdk_geom *dkgeom_p); 124 struct tgdk_iob *dadk_iob_alloc(opaque_t objp, daddr_t blkno, 125 ssize_t xfer, int kmsflg); 126 int dadk_iob_free(opaque_t objp, struct tgdk_iob *iobp); 127 caddr_t dadk_iob_htoc(opaque_t objp, struct tgdk_iob *iobp); 128 caddr_t dadk_iob_xfer(opaque_t objp, struct tgdk_iob *iobp, int rw); 129 int dadk_dump(opaque_t objp, struct buf *bp); 130 int dadk_getphygeom(opaque_t objp, struct tgdk_geom *dkgeom_p); 131 int dadk_set_bbhobj(opaque_t objp, opaque_t bbhobjp); 132 int dadk_check_media(opaque_t objp, int *state); 133 static void dadk_watch_thread(struct dadk *dadkp); 134 int dadk_inquiry(opaque_t objp, opaque_t *inqpp); 135 void dadk_cleanup(struct tgdk_obj *dkobjp); 136 137 int dadk_getcmds(opaque_t objp); 138 139 #ifdef __cplusplus 140 } 141 #endif 142 143 #endif /* _SYS_DKTP_DADK_H */ 144