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scsi_message.h revision 1.8
      1  1.8   bouyer /*	$NetBSD: scsi_message.h,v 1.8 2002/04/23 09:46:51 bouyer Exp $	*/
      2  1.3    perry 
      3  1.1  mycroft /* Messages (1 byte) */		     /* I/T (M)andatory or (O)ptional */
      4  1.1  mycroft #define MSG_CMDCOMPLETE		0x00 /* M/M */
      5  1.1  mycroft #define MSG_EXTENDED		0x01 /* O/O */
      6  1.1  mycroft #define MSG_SAVEDATAPOINTER	0x02 /* O/O */
      7  1.1  mycroft #define MSG_RESTOREPOINTERS	0x03 /* O/O */
      8  1.1  mycroft #define MSG_DISCONNECT		0x04 /* O/O */
      9  1.1  mycroft #define MSG_INITIATOR_DET_ERR	0x05 /* M/M */
     10  1.1  mycroft #define MSG_ABORT		0x06 /* O/M */
     11  1.1  mycroft #define MSG_MESSAGE_REJECT	0x07 /* M/M */
     12  1.1  mycroft #define MSG_NOOP		0x08 /* M/M */
     13  1.1  mycroft #define MSG_PARITY_ERROR	0x09 /* M/M */
     14  1.1  mycroft #define MSG_LINK_CMD_COMPLETE	0x0a /* O/O */
     15  1.1  mycroft #define MSG_LINK_CMD_COMPLETEF	0x0b /* O/O */
     16  1.1  mycroft #define MSG_BUS_DEV_RESET	0x0c /* O/M */
     17  1.1  mycroft #define MSG_ABORT_TAG		0x0d /* O/O */
     18  1.1  mycroft #define MSG_CLEAR_QUEUE		0x0e /* O/O */
     19  1.1  mycroft #define MSG_INIT_RECOVERY	0x0f /* O/O */
     20  1.1  mycroft #define MSG_REL_RECOVERY	0x10 /* O/O */
     21  1.1  mycroft #define MSG_TERM_IO_PROC	0x11 /* O/O */
     22  1.1  mycroft 
     23  1.1  mycroft /* Messages (2 byte) */
     24  1.1  mycroft #define MSG_SIMPLE_Q_TAG	0x20 /* O/O */
     25  1.1  mycroft #define MSG_HEAD_OF_Q_TAG	0x21 /* O/O */
     26  1.1  mycroft #define MSG_ORDERED_Q_TAG	0x22 /* O/O */
     27  1.1  mycroft #define MSG_IGN_WIDE_RESIDUE	0x23 /* O/O */
     28  1.1  mycroft 
     29  1.2    gibbs /* Identify message */		     /* M/M */
     30  1.2    gibbs #define MSG_IDENTIFYFLAG	0x80
     31  1.4     fvdl #define MSG_IDENTIFY_DISCFLAG	0x40
     32  1.6  tsutsui #define MSG_IDENTIFY(lun, disc)	\
     33  1.6  tsutsui 	(MSG_IDENTIFYFLAG | ((disc) ? MSG_IDENTIFY_DISCFLAG : 0) | (lun))
     34  1.2    gibbs #define MSG_ISIDENTIFY(m)	((m) & MSG_IDENTIFYFLAG)
     35  1.1  mycroft 
     36  1.2    gibbs /* Extended messages (opcode and length) */
     37  1.1  mycroft #define MSG_EXT_SDTR		0x01
     38  1.2    gibbs #define MSG_EXT_SDTR_LEN	0x03
     39  1.2    gibbs 
     40  1.2    gibbs #define MSG_EXT_WDTR		0x03
     41  1.2    gibbs #define MSG_EXT_WDTR_LEN	0x02
     42  1.4     fvdl 
     43  1.5   bouyer #define MSG_EXT_WDTR_BUS_8_BIT	0x00
     44  1.5   bouyer #define MSG_EXT_WDTR_BUS_16_BIT	0x01
     45  1.5   bouyer #define MSG_EXT_WDTR_BUS_32_BIT	0x02
     46  1.8   bouyer 
     47  1.8   bouyer #define MSG_EXT_PPR		0x04
     48  1.8   bouyer #define MSG_EXT_PPR_LEN		0x06
     49  1.8   bouyer /*
     50  1.8   bouyer  * Offsets:	0x3: transfer period factor
     51  1.8   bouyer  * 		0x4: reserved
     52  1.8   bouyer  * 		0x5: REQ/ACK offset
     53  1.8   bouyer  *		0x6: transfer width exponent
     54  1.8   bouyer  *		0x7: flags
     55  1.8   bouyer  */
     56  1.8   bouyer #define MSG_EXT_PPR_IU		0x01
     57  1.8   bouyer #define MSG_EXT_PPR_DT		0x02
     58  1.8   bouyer #define MSG_EXT_PPR_QAS		0x04
     59  1.8   bouyer #define MSG_EXT_PPR_HOLDMCS	0x08
     60  1.8   bouyer #define MSG_EXT_PPR_WRFLOW	0x10
     61  1.8   bouyer #define MSG_EXT_PPR_RDSTRM	0x20
     62  1.8   bouyer #define MSG_EXT_PPR_RTI		0x40
     63  1.8   bouyer #define MSG_EXT_PPR_PCOM	0x80
     64  1.5   bouyer 
     65  1.7  tsutsui #define MSG_ISEXTENDED(m)	((m) == MSG_EXTENDED)
     66  1.7  tsutsui 
     67  1.7  tsutsui /* message length */
     68  1.7  tsutsui #define MSG_IS1BYTE(m)	\
     69  1.7  tsutsui 	((!MSG_ISEXTENDED(m) && (m) < 0x20) || MSG_ISIDENTIFY(m))
     70  1.7  tsutsui #define MSG_IS2BYTE(m)		(((m) & 0xf0) == 0x20)
     71