17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*7f0b8309SEdward Pilatowicz * Common Development and Distribution License (the "License"). 6*7f0b8309SEdward Pilatowicz * You may not use this file except in compliance with the License. 77c478bd9Sstevel@tonic-gate * 87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 117c478bd9Sstevel@tonic-gate * and limitations under the License. 127c478bd9Sstevel@tonic-gate * 137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 187c478bd9Sstevel@tonic-gate * 197c478bd9Sstevel@tonic-gate * CDDL HEADER END 207c478bd9Sstevel@tonic-gate */ 217c478bd9Sstevel@tonic-gate /* 22*7f0b8309SEdward Pilatowicz * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 237c478bd9Sstevel@tonic-gate * Use is subject to license terms. 247c478bd9Sstevel@tonic-gate */ 257c478bd9Sstevel@tonic-gate 267c478bd9Sstevel@tonic-gate #ifndef _SYS_DKTP_BBH_H 277c478bd9Sstevel@tonic-gate #define _SYS_DKTP_BBH_H 287c478bd9Sstevel@tonic-gate 29*7f0b8309SEdward Pilatowicz #include <sys/scsi/scsi_types.h> 307c478bd9Sstevel@tonic-gate 317c478bd9Sstevel@tonic-gate #ifdef __cplusplus 327c478bd9Sstevel@tonic-gate extern "C" { 337c478bd9Sstevel@tonic-gate #endif 347c478bd9Sstevel@tonic-gate 357c478bd9Sstevel@tonic-gate struct bbh_cookie { 367c478bd9Sstevel@tonic-gate lldaddr_t _ck_sector; /* sector # on device (union) */ 377c478bd9Sstevel@tonic-gate long ck_seclen; /* number of contiguous sec */ 387c478bd9Sstevel@tonic-gate }; 397c478bd9Sstevel@tonic-gate #define ck_lsector _ck_sector._f 407c478bd9Sstevel@tonic-gate #define ck_sector _ck_sector._p._l 417c478bd9Sstevel@tonic-gate typedef struct bbh_cookie *bbh_cookie_t; 427c478bd9Sstevel@tonic-gate 437c478bd9Sstevel@tonic-gate struct bbh_handle { 447c478bd9Sstevel@tonic-gate int h_totck; 457c478bd9Sstevel@tonic-gate int h_idx; 467c478bd9Sstevel@tonic-gate struct bbh_cookie *h_cktab; 477c478bd9Sstevel@tonic-gate }; 487c478bd9Sstevel@tonic-gate 497c478bd9Sstevel@tonic-gate struct bbh_obj { 507c478bd9Sstevel@tonic-gate opaque_t bbh_data; 517c478bd9Sstevel@tonic-gate struct bbh_objops *bbh_ops; 527c478bd9Sstevel@tonic-gate }; 537c478bd9Sstevel@tonic-gate 547c478bd9Sstevel@tonic-gate struct bbh_objops { 557c478bd9Sstevel@tonic-gate int (*bbh_init)(opaque_t); 567c478bd9Sstevel@tonic-gate int (*bbh_free)(struct bbh_obj *); 577c478bd9Sstevel@tonic-gate opaque_t (*bbh_gethandle)(opaque_t, struct buf *); 587c478bd9Sstevel@tonic-gate bbh_cookie_t (*bbh_htoc)(opaque_t, opaque_t); 597c478bd9Sstevel@tonic-gate void (*bbh_freehandle)(opaque_t, opaque_t); 607c478bd9Sstevel@tonic-gate void *bbh_resv[2]; 617c478bd9Sstevel@tonic-gate }; 627c478bd9Sstevel@tonic-gate 637c478bd9Sstevel@tonic-gate #define BBH_GETCK_SECTOR(X, ckp) ((ckp)->ck_sector) 647c478bd9Sstevel@tonic-gate #define BBH_GETCK_SECLEN(X, ckp) ((ckp)->ck_seclen) 657c478bd9Sstevel@tonic-gate 667c478bd9Sstevel@tonic-gate #define BBH_INIT(X) (*((struct bbh_obj *)(X))->bbh_ops->bbh_init)\ 677c478bd9Sstevel@tonic-gate (((struct bbh_obj *)(X))->bbh_data) 687c478bd9Sstevel@tonic-gate #define BBH_FREE(X) (*((struct bbh_obj *)(X))->bbh_ops->bbh_free) ((X)) 697c478bd9Sstevel@tonic-gate #define BBH_GETHANDLE(X, bp) (*((struct bbh_obj *)(X))->bbh_ops->bbh_gethandle)\ 707c478bd9Sstevel@tonic-gate (((struct bbh_obj *)(X))->bbh_data, (bp)) 717c478bd9Sstevel@tonic-gate #define BBH_HTOC(X, handle) (*((struct bbh_obj *)(X))->bbh_ops->bbh_htoc) \ 727c478bd9Sstevel@tonic-gate (((struct bbh_obj *)(X))->bbh_data, (handle)) 737c478bd9Sstevel@tonic-gate #define BBH_FREEHANDLE(X, handle) \ 747c478bd9Sstevel@tonic-gate (*((struct bbh_obj *)(X))->bbh_ops->bbh_freehandle) \ 757c478bd9Sstevel@tonic-gate (((struct bbh_obj *)(X))->bbh_data, (handle)) 767c478bd9Sstevel@tonic-gate 777c478bd9Sstevel@tonic-gate #ifdef __cplusplus 787c478bd9Sstevel@tonic-gate } 797c478bd9Sstevel@tonic-gate #endif 807c478bd9Sstevel@tonic-gate 817c478bd9Sstevel@tonic-gate #endif /* _SYS_DKTP_BBH_H */ 82