xref: /OK3568_Linux_fs/kernel/drivers/scsi/aic7xxx/scsi_iu.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * This file is in the public domain.
3*4882a593Smuzhiyun  */
4*4882a593Smuzhiyun #ifndef	_SCSI_SCSI_IU_H
5*4882a593Smuzhiyun #define _SCSI_SCSI_IU_H 1
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun struct scsi_status_iu_header
8*4882a593Smuzhiyun {
9*4882a593Smuzhiyun 	u_int8_t reserved[2];
10*4882a593Smuzhiyun 	u_int8_t flags;
11*4882a593Smuzhiyun #define	SIU_SNSVALID 0x2
12*4882a593Smuzhiyun #define	SIU_RSPVALID 0x1
13*4882a593Smuzhiyun 	u_int8_t status;
14*4882a593Smuzhiyun 	u_int8_t sense_length[4];
15*4882a593Smuzhiyun 	u_int8_t pkt_failures_length[4];
16*4882a593Smuzhiyun 	u_int8_t pkt_failures[1];
17*4882a593Smuzhiyun };
18*4882a593Smuzhiyun 
19*4882a593Smuzhiyun #define SIU_PKTFAIL_OFFSET(siu) 12
20*4882a593Smuzhiyun #define SIU_PKTFAIL_CODE(siu) (scsi_4btoul((siu)->pkt_failures) & 0xFF)
21*4882a593Smuzhiyun #define		SIU_PFC_NONE			0
22*4882a593Smuzhiyun #define		SIU_PFC_CIU_FIELDS_INVALID	2
23*4882a593Smuzhiyun #define		SIU_PFC_TMF_NOT_SUPPORTED	4
24*4882a593Smuzhiyun #define		SIU_PFC_TMF_FAILED		5
25*4882a593Smuzhiyun #define		SIU_PFC_INVALID_TYPE_CODE	6
26*4882a593Smuzhiyun #define		SIU_PFC_ILLEGAL_REQUEST		7
27*4882a593Smuzhiyun #define SIU_SENSE_OFFSET(siu)				\
28*4882a593Smuzhiyun     (12 + (((siu)->flags & SIU_RSPVALID)		\
29*4882a593Smuzhiyun 	? scsi_4btoul((siu)->pkt_failures_length)	\
30*4882a593Smuzhiyun 	: 0))
31*4882a593Smuzhiyun 
32*4882a593Smuzhiyun #define	SIU_TASKMGMT_NONE		0x00
33*4882a593Smuzhiyun #define	SIU_TASKMGMT_ABORT_TASK		0x01
34*4882a593Smuzhiyun #define	SIU_TASKMGMT_ABORT_TASK_SET	0x02
35*4882a593Smuzhiyun #define	SIU_TASKMGMT_CLEAR_TASK_SET	0x04
36*4882a593Smuzhiyun #define	SIU_TASKMGMT_LUN_RESET		0x08
37*4882a593Smuzhiyun #define	SIU_TASKMGMT_TARGET_RESET	0x20
38*4882a593Smuzhiyun #define	SIU_TASKMGMT_CLEAR_ACA		0x40
39*4882a593Smuzhiyun #endif /*_SCSI_SCSI_IU_H*/
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