1 /* $NetBSD: scsi_all.h,v 1.19 2003/01/06 21:02:18 matt 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 * SCSI command format 29 */ 30 31 /* 32 * Define dome bits that are in ALL (or a lot of) scsi commands 33 */ 34 #define SCSI_CTL_LINK 0x01 35 #define SCSI_CTL_FLAG 0x02 36 #define SCSI_CTL_VENDOR 0xC0 37 38 39 /* 40 * Some old SCSI devices need the LUN to be set in the top 3 bits of the 41 * second byte of the CDB. 42 */ 43 #define SCSI_CMD_LUN_MASK 0xe0 44 #define SCSI_CMD_LUN_SHIFT 5 45 46 /* 47 * XXX 48 * Actually some SCSI driver expects this structure to be 12 bytes, so 49 * don't change it unless you really know what you are doing 50 */ 51 52 struct scsi_generic { 53 u_int8_t opcode; 54 u_int8_t bytes[11]; 55 }; 56 57 /* XXX Is this a command ? What's its opcode ? */ 58 struct scsi_send_diag { 59 u_int8_t opcode; 60 u_int8_t byte2; 61 #define SSD_UOL 0x01 62 #define SSD_DOL 0x02 63 #define SSD_SELFTEST 0x04 64 #define SSD_PF 0x10 65 u_int8_t unused[1]; 66 u_int8_t paramlen[2]; 67 u_int8_t control; 68 }; 69 70 #define SCSI_RESERVE 0x16 71 struct scsi_reserve { 72 u_int8_t opcode; 73 u_int8_t byte2; 74 u_int8_t unused[2]; 75 u_int8_t length; 76 u_int8_t control; 77 }; 78 79 #define SCSI_RELEASE 0x17 80 struct scsi_release { 81 u_int8_t opcode; 82 u_int8_t byte2; 83 u_int8_t unused[2]; 84 u_int8_t length; 85 u_int8_t control; 86 }; 87 88 #define SCSI_CHANGE_DEFINITION 0x40 89 struct scsi_changedef { 90 u_int8_t opcode; 91 u_int8_t byte2; 92 u_int8_t unused1; 93 u_int8_t how; 94 u_int8_t unused[4]; 95 u_int8_t datalen; 96 u_int8_t control; 97 }; 98 #define SC_SCSI_1 0x01 99 #define SC_SCSI_2 0x03 100 101 /* block descriptor, for mode sense/mode select */ 102 struct scsi_blk_desc { 103 u_int8_t density; 104 u_int8_t nblocks[3]; 105 u_int8_t reserved; 106 u_int8_t blklen[3]; 107 }; 108 109 /* 110 * Status Byte 111 */ 112 #define SCSI_OK 0x00 113 #define SCSI_CHECK 0x02 114 #define SCSI_BUSY 0x08 115 #define SCSI_INTERM 0x10 116 #define SCSI_RESV_CONFLICT 0x18 117 #define SCSI_TERMINATED 0x22 118 #define SCSI_QUEUE_FULL 0x28 119 #define SCSI_ACA_ACTIVE 0x30 120 121 #endif /* _DEV_SCSIPI_SCSI_ALL_H_ */ 122