1 /* $NetBSD: scsi_all.h,v 1.20 2004/12/07 22:27:17 thorpej 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 dome 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 /* XXX Is this a command ? What's its opcode ? */ 43 struct scsi_send_diag { 44 u_int8_t opcode; 45 u_int8_t byte2; 46 #define SSD_UOL 0x01 47 #define SSD_DOL 0x02 48 #define SSD_SELFTEST 0x04 49 #define SSD_PF 0x10 50 u_int8_t unused[1]; 51 u_int8_t paramlen[2]; 52 u_int8_t control; 53 }; 54 55 #define SCSI_RESERVE 0x16 56 struct scsi_reserve { 57 u_int8_t opcode; 58 u_int8_t byte2; 59 u_int8_t unused[2]; 60 u_int8_t length; 61 u_int8_t control; 62 }; 63 64 #define SCSI_RELEASE 0x17 65 struct scsi_release { 66 u_int8_t opcode; 67 u_int8_t byte2; 68 u_int8_t unused[2]; 69 u_int8_t length; 70 u_int8_t control; 71 }; 72 73 #define SCSI_CHANGE_DEFINITION 0x40 74 struct scsi_changedef { 75 u_int8_t opcode; 76 u_int8_t byte2; 77 u_int8_t unused1; 78 u_int8_t how; 79 u_int8_t unused[4]; 80 u_int8_t datalen; 81 u_int8_t control; 82 }; 83 #define SC_SCSI_1 0x01 84 #define SC_SCSI_2 0x03 85 86 /* block descriptor, for mode sense/mode select */ 87 struct scsi_blk_desc { 88 u_int8_t density; 89 u_int8_t nblocks[3]; 90 u_int8_t reserved; 91 u_int8_t blklen[3]; 92 }; 93 94 /* 95 * Status Byte 96 */ 97 #define SCSI_OK 0x00 98 #define SCSI_CHECK 0x02 99 #define SCSI_BUSY 0x08 100 #define SCSI_INTERM 0x10 101 #define SCSI_RESV_CONFLICT 0x18 102 #define SCSI_TERMINATED 0x22 103 #define SCSI_QUEUE_FULL 0x28 104 #define SCSI_ACA_ACTIVE 0x30 105 106 #endif /* _DEV_SCSIPI_SCSI_ALL_H_ */ 107