| 1 | /* $NetBSD: scsi_all.h,v 1.25 2012/02/25 10:17:14 shattered Exp $ */ |
| 2 | |
| 3 | /* |
| 4 | * SCSI-specific interface description. |
| 5 | */ |
| 6 | |
| 7 | /* |
| 8 | * Largely written by Julian Elischer (julian@tfs.com) |
| 9 | * for TRW Financial Systems. |
| 10 | * |
| 11 | * TRW Financial Systems, in accordance with their agreement with Carnegie |
| 12 | * Mellon University, makes this software available to CMU to distribute |
| 13 | * or use in any manner that they see fit as long as this message is kept with |
| 14 | * the software. For this reason TFS also grants any other persons or |
| 15 | * organisations permission to use or modify this software. |
| 16 | * |
| 17 | * TFS supplies this software to be publicly redistributed |
| 18 | * on the understanding that TFS is not responsible for the correct |
| 19 | * functioning of this software in any circumstances. |
| 20 | * |
| 21 | * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992 |
| 22 | */ |
| 23 | |
| 24 | #ifndef _DEV_SCSIPI_SCSI_ALL_H_ |
| 25 | #define _DEV_SCSIPI_SCSI_ALL_H_ |
| 26 | |
| 27 | /* |
| 28 | * Define some bits that are in ALL (or a lot of) scsi commands |
| 29 | */ |
| 30 | #define SCSI_CTL_LINK 0x01 |
| 31 | #define SCSI_CTL_FLAG 0x02 |
| 32 | #define SCSI_CTL_VENDOR 0xC0 |
| 33 | |
| 34 | |
| 35 | /* |
| 36 | * Some old SCSI devices need the LUN to be set in the top 3 bits of the |
| 37 | * second byte of the CDB. |
| 38 | */ |
| 39 | #define SCSI_CMD_LUN_MASK 0xe0 |
| 40 | #define SCSI_CMD_LUN_SHIFT 5 |
| 41 | |
| 42 | #define SCSI_CHANGE_DEFINITION 0x40 |
| 43 | struct scsi_changedef { |
| 44 | u_int8_t opcode; |
| 45 | u_int8_t byte2; |
| 46 | u_int8_t unused1; |
| 47 | u_int8_t how; |
| 48 | u_int8_t unused[4]; |
| 49 | u_int8_t datalen; |
| 50 | u_int8_t control; |
| 51 | }; |
| 52 | #define SC_SCSI_1 0x01 |
| 53 | #define SC_SCSI_2 0x03 |
| 54 | |
| 55 | /* |
| 56 | * Status Byte |
| 57 | */ |
| 58 | #define SCSI_OK 0x00 |
| 59 | #define SCSI_CHECK 0x02 |
| 60 | #define SCSI_BUSY 0x08 |
| 61 | #define SCSI_INTERM 0x10 |
| 62 | #define SCSI_RESV_CONFLICT 0x18 |
| 63 | #define SCSI_TERMINATED 0x22 |
| 64 | #define SCSI_QUEUE_FULL 0x28 |
| 65 | #define SCSI_ACA_ACTIVE 0x30 |
| 66 | |
| 67 | #endif /* _DEV_SCSIPI_SCSI_ALL_H_ */ |
| 68 | |