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_SCSI_ADAPTERS_EMUL64_H 28 #define _SYS_SCSI_ADAPTERS_EMUL64_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 /* 33 * This file defines the commands and structures for three emul64 ioctls, 34 * that may be useful in speeding up tests involving large devices. The 35 * ioctls are documented at 36 * http://lvm.central.sun.com/projects/lagavulin/emul64_design.html#ioctl. 37 * Briefly, there are three ioctls: 38 * 39 * EMUL64_WRITE_OFF - ignore all write operations to a specified block 40 * range. 41 * EMUL64_WRITE_ON - enable writes to a specified block range. 42 * EMUL64_ZERO_RANGE - zero all blocks in the specified range. 43 * 44 * The emul64_range structure is used to specify a block range for these 45 * ioctls. 46 */ 47 48 #ifdef __cplusplus 49 extern "C" { 50 #endif 51 52 #include <sys/inttypes.h> 53 #include <sys/types.h> 54 #include <sys/scsi/scsi.h> 55 56 /* 57 * emul64 ioctl commands: 58 */ 59 60 #define EMUL64IOC ('e' << 8) 61 62 #define EMUL64_WRITE_OFF (EMUL64IOC|37) 63 #define EMUL64_WRITE_ON (EMUL64IOC|38) 64 #define EMUL64_ZERO_RANGE (EMUL64IOC|39) 65 #define EMUL64_ERROR_INJECT (EMUL64IOC|40) 66 67 struct emul64_range { 68 diskaddr_t emul64_sb; /* starting block # of range */ 69 uint64_t emul64_blkcnt; /* # of blocks in range */ 70 }; 71 72 typedef struct emul64_range emul64_range_t; 73 74 /* 75 * Structure to use when specifying an ioctl for a range of blocks on a 76 * specific target. 77 */ 78 struct emul64_tgt_range { 79 emul64_range_t emul64_blkrange; /* blocks affected by ioctl */ 80 ushort_t emul64_target; /* target number of disk */ 81 ushort_t emul64_lun; /* lun of disk */ 82 }; 83 84 typedef struct emul64_tgt_range emul64_tgt_range_t; 85 86 /* 87 * Structure to use for specifying error injection sense data 88 */ 89 #define ERR_INJ_DISABLE 0 90 #define ERR_INJ_ENABLE 1 91 #define ERR_INJ_ENABLE_NODATA 2 92 93 struct emul64_error_inj_data { 94 ushort_t eccd_target; 95 ushort_t eccd_lun; 96 ushort_t eccd_inj_state; /* ERR_INJ_DISABLE, ... */ 97 ushort_t eccd_sns_dlen; /* Number of bytes of sense data */ 98 struct scsi_status eccd_scsi_status; 99 uchar_t eccd_pkt_reason; 100 uint_t eccd_pkt_state; 101 }; 102 103 #ifdef __cplusplus 104 } 105 #endif 106 107 #endif /* _SYS_SCSI_ADAPTERS_EMUL64_H */ 108