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, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _SYS_DKTP_DADK_H 28 #define _SYS_DKTP_DADK_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #ifdef __cplusplus 33 extern "C" { 34 #endif 35 36 #include <sys/dktp/tgcom.h> 37 38 struct dadk { 39 struct tgdk_ext *dad_extp; /* back pointer to ext data */ 40 struct scsi_device *dad_sd; /* back pointer to SCSI_DEVICE */ 41 42 struct tgdk_geom dad_logg; /* logical disk geometry */ 43 struct tgdk_geom dad_phyg; /* physical disk geometry */ 44 45 unsigned dad_rmb : 1; /* removable device */ 46 unsigned dad_rdonly : 1; /* read only device */ 47 unsigned dad_cdrom : 1; /* cdrom device */ 48 unsigned dad_noflush : 1; /* flush cmd unsupported */ 49 unsigned dad_wce : 1; /* disk write cache enabled */ 50 unsigned dad_resv : 3; 51 unsigned char dad_type; /* device type */ 52 unsigned char dad_ctype; /* controller type */ 53 54 short dad_secshf; 55 short dad_blkshf; 56 57 opaque_t dad_bbhobjp; /* bbh object ptr */ 58 opaque_t dad_flcobjp; /* flow control object ptr */ 59 opaque_t dad_ctlobjp; /* controller object ptr */ 60 struct tgcom_obj dad_com; /* com object for flowctrl */ 61 enum dkio_state dad_iostate; /* ejected/inserted */ 62 kmutex_t dad_mutex; /* protect dad_state */ 63 kcondvar_t dad_state_cv; /* condition variable for state */ 64 uchar_t dad_thread_cnt; /* reference count on removable */ 65 /* - disk state watcher thread */ 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 int dadk_init(opaque_t objp, opaque_t devp, opaque_t flcobjp, 95 opaque_t queobjp, opaque_t bbhobjp, void *lkarg); 96 int dadk_free(struct tgdk_obj *dkobjp); 97 int dadk_probe(opaque_t objp, int kmsflg); 98 int dadk_attach(opaque_t objp); 99 int dadk_open(opaque_t objp, int flag); 100 int dadk_close(opaque_t objp); 101 int dadk_ioctl(opaque_t objp, dev_t dev, int cmd, intptr_t arg, 102 int flag, cred_t *cred_p, int *rval_p); 103 int dadk_flushdone(struct buf *bp); 104 int dadk_strategy(opaque_t objp, struct buf *bp); 105 int dadk_setgeom(opaque_t objp, struct tgdk_geom *dkgeom_p); 106 int dadk_getgeom(opaque_t objp, struct tgdk_geom *dkgeom_p); 107 struct tgdk_iob *dadk_iob_alloc(opaque_t objp, daddr_t blkno, 108 ssize_t xfer, int kmsflg); 109 int dadk_iob_free(opaque_t objp, struct tgdk_iob *iobp); 110 caddr_t dadk_iob_htoc(opaque_t objp, struct tgdk_iob *iobp); 111 caddr_t dadk_iob_xfer(opaque_t objp, struct tgdk_iob *iobp, int rw); 112 int dadk_dump(opaque_t objp, struct buf *bp); 113 int dadk_getphygeom(opaque_t objp, struct tgdk_geom *dkgeom_p); 114 int dadk_set_bbhobj(opaque_t objp, opaque_t bbhobjp); 115 int dadk_check_media(opaque_t objp, int *state); 116 static void dadk_watch_thread(struct dadk *dadkp); 117 int dadk_inquiry(opaque_t objp, opaque_t *inqpp); 118 void dadk_cleanup(struct tgdk_obj *dkobjp); 119 120 #ifdef __cplusplus 121 } 122 #endif 123 124 #endif /* _SYS_DKTP_DADK_H */ 125