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 #ifdef __cplusplus 30 extern "C" { 31 #endif 32 33 #include <sys/dktp/tgcom.h> 34 35 struct dadk { 36 struct tgdk_ext *dad_extp; /* back pointer to ext data */ 37 struct scsi_device *dad_sd; /* back pointer to SCSI_DEVICE */ 38 39 struct tgdk_geom dad_logg; /* logical disk geometry */ 40 struct tgdk_geom dad_phyg; /* physical disk geometry */ 41 42 unsigned dad_rmb : 1; /* removable device */ 43 unsigned dad_rdonly : 1; /* read only device */ 44 unsigned dad_cdrom : 1; /* cdrom device */ 45 unsigned dad_noflush : 1; /* flush cmd unsupported */ 46 unsigned dad_wce : 1; /* disk write cache enabled */ 47 unsigned dad_resv : 3; 48 unsigned char dad_type; /* device type */ 49 unsigned char dad_ctype; /* controller type */ 50 51 short dad_secshf; 52 short dad_blkshf; 53 54 opaque_t dad_bbhobjp; /* bbh object ptr */ 55 opaque_t dad_flcobjp; /* flow control object ptr */ 56 opaque_t dad_ctlobjp; /* controller object ptr */ 57 struct tgcom_obj dad_com; /* com object for flowctrl */ 58 enum dkio_state dad_iostate; /* ejected/inserted */ 59 kmutex_t dad_mutex; /* protect dad_state */ 60 kcondvar_t dad_state_cv; /* condition variable for state */ 61 uchar_t dad_thread_cnt; /* reference count on removable */ 62 /* - disk state watcher thread */ 63 kstat_t *dad_errstats; /* error stats */ 64 kmutex_t dad_cmd_mutex; 65 int dad_cmd_count; 66 }; 67 68 #define DAD_SECSIZ dad_phyg.g_secsiz 69 70 /* 71 * Local definitions, for clarity of code 72 */ 73 74 /* 75 * Parameters 76 */ 77 #define DADK_BSY_TIMEOUT (drv_usectohz(5 * 1000000)) 78 #define DADK_IO_TIME 35 79 #define DADK_FLUSH_CACHE_TIME 60 80 #define DADK_RETRY_COUNT 5 81 #define DADK_SILENT 1 82 83 #define PKT2DADK(pktp) ((struct dadk *)(pktp)->cp_dev_private) 84 85 /* 86 * packet action codes 87 */ 88 #define COMMAND_DONE 0 89 #define COMMAND_DONE_ERROR 1 90 #define QUE_COMMAND 2 91 #define QUE_SENSE 3 92 #define JUST_RETURN 4 93 94 typedef struct dadk_errstats { 95 kstat_named_t dadk_softerrs; /* Collecting Softerrs */ 96 kstat_named_t dadk_harderrs; /* Collecting harderrs */ 97 kstat_named_t dadk_transerrs; /* Collecting Transfer errs */ 98 kstat_named_t dadk_model; /* model # of the disk */ 99 kstat_named_t dadk_revision; /* The disk revision */ 100 kstat_named_t dadk_serial; /* The disk serial number */ 101 kstat_named_t dadk_capacity; /* Capacity of the disk */ 102 kstat_named_t dadk_rq_media_err; /* Any media err seen */ 103 kstat_named_t dadk_rq_ntrdy_err; /* Not ready errs */ 104 kstat_named_t dadk_rq_nodev_err; /* No device errs */ 105 kstat_named_t dadk_rq_recov_err; /* Recovered errs */ 106 kstat_named_t dadk_rq_illrq_err; /* Illegal requests */ 107 } dadk_errstats_t; 108 109 int dadk_init(opaque_t objp, opaque_t devp, opaque_t flcobjp, 110 opaque_t queobjp, opaque_t bbhobjp, void *lkarg); 111 int dadk_free(struct tgdk_obj *dkobjp); 112 int dadk_probe(opaque_t objp, int kmsflg); 113 int dadk_attach(opaque_t objp); 114 int dadk_open(opaque_t objp, int flag); 115 int dadk_close(opaque_t objp); 116 int dadk_ioctl(opaque_t objp, dev_t dev, int cmd, intptr_t arg, 117 int flag, cred_t *cred_p, int *rval_p); 118 int dadk_flushdone(struct buf *bp); 119 int dadk_strategy(opaque_t objp, struct buf *bp); 120 int dadk_setgeom(opaque_t objp, struct tgdk_geom *dkgeom_p); 121 int dadk_getgeom(opaque_t objp, struct tgdk_geom *dkgeom_p); 122 struct tgdk_iob *dadk_iob_alloc(opaque_t objp, daddr_t blkno, 123 ssize_t xfer, int kmsflg); 124 int dadk_iob_free(opaque_t objp, struct tgdk_iob *iobp); 125 caddr_t dadk_iob_htoc(opaque_t objp, struct tgdk_iob *iobp); 126 caddr_t dadk_iob_xfer(opaque_t objp, struct tgdk_iob *iobp, int rw); 127 int dadk_dump(opaque_t objp, struct buf *bp); 128 int dadk_getphygeom(opaque_t objp, struct tgdk_geom *dkgeom_p); 129 int dadk_set_bbhobj(opaque_t objp, opaque_t bbhobjp); 130 int dadk_check_media(opaque_t objp, int *state); 131 static void dadk_watch_thread(struct dadk *dadkp); 132 int dadk_inquiry(opaque_t objp, opaque_t *inqpp); 133 void dadk_cleanup(struct tgdk_obj *dkobjp); 134 135 int dadk_getcmds(opaque_t objp); 136 137 #ifdef __cplusplus 138 } 139 #endif 140 141 #endif /* _SYS_DKTP_DADK_H */ 142