include/uapi/scsi/fc/fc_els.h

Source file repositories/reference/linux-study-clean/include/uapi/scsi/fc/fc_els.h

File Facts

System
Linux kernel
Corpus path
include/uapi/scsi/fc/fc_els.h
Extension
.h
Size
39935 bytes
Lines
1274
Domain
Repository Root And Misc
Bucket
include
Inferred role
Repository Root And Misc: implementation source
Status
source implementation candidate

Why This File Exists

Top-level or miscellaneous repository surface. Use this as map coverage unless a later manual pass promotes the file into a deeper subsystem dossier.

Dependency Surface

Detected Declarations

Annotated Snippet

struct fc_els_ls_acc {
	__u8          la_cmd;		/* command code ELS_LS_ACC */
	__u8          la_resv[3];	/* reserved */
};

/*
 * ELS reject payload.
 */
struct fc_els_ls_rjt {
	__u8	er_cmd;		/* command code ELS_LS_RJT */
	__u8	er_resv[4];	/* reserved must be zero */
	__u8	er_reason;	/* reason (enum fc_els_rjt_reason below) */
	__u8	er_explan;	/* explanation (enum fc_els_rjt_explan below) */
	__u8	er_vendor;	/* vendor specific code */
};

/*
 * ELS reject reason codes (er_reason).
 */
enum fc_els_rjt_reason {
	ELS_RJT_NONE =		0,	/* no reject - not to be sent */
	ELS_RJT_INVAL =		0x01,	/* invalid ELS command code */
	ELS_RJT_LOGIC =		0x03,	/* logical error */
	ELS_RJT_BUSY =		0x05,	/* logical busy */
	ELS_RJT_PROT =		0x07,	/* protocol error */
	ELS_RJT_UNAB =		0x09,	/* unable to perform command request */
	ELS_RJT_UNSUP =		0x0b,	/* command not supported */
	ELS_RJT_INPROG =	0x0e,	/* command already in progress */
	ELS_RJT_FIP =		0x20,	/* FIP error */
	ELS_RJT_VENDOR =	0xff,	/* vendor specific error */
};


/*
 * reason code explanation (er_explan).
 */
enum fc_els_rjt_explan {
	ELS_EXPL_NONE =		0x00,	/* No additional explanation */
	ELS_EXPL_SPP_OPT_ERR =	0x01,	/* service parameter error - options */
	ELS_EXPL_SPP_ICTL_ERR =	0x03,	/* service parm error - initiator ctl */
	ELS_EXPL_AH =		0x11,	/* invalid association header */
	ELS_EXPL_AH_REQ =	0x13,	/* association_header required */
	ELS_EXPL_SID =		0x15,	/* invalid originator S_ID */
	ELS_EXPL_OXID_RXID =	0x17,	/* invalid OX_ID-RX_ID combination */
	ELS_EXPL_INPROG =	0x19,	/* Request already in progress */
	ELS_EXPL_PLOGI_REQD =	0x1e,	/* N_Port login required */
	ELS_EXPL_INSUF_RES =	0x29,	/* insufficient resources */
	ELS_EXPL_UNAB_DATA =	0x2a,	/* unable to supply requested data */
	ELS_EXPL_UNSUPR =	0x2c,	/* Request not supported */
	ELS_EXPL_INV_LEN =	0x2d,	/* Invalid payload length */
	ELS_EXPL_NOT_NEIGHBOR = 0x62,	/* VN2VN_Port not in neighbor set */
	/* TBD - above definitions incomplete */
};

/*
 * Link Service TLV Descriptor Tag Values
 */
enum fc_ls_tlv_dtag {
	ELS_DTAG_LS_REQ_INFO =		0x00000001,
		/* Link Service Request Information Descriptor */
	ELS_DTAG_LNK_FAULT_CAP =	0x0001000D,
		/* Link Fault Capability Descriptor */
	ELS_DTAG_CG_SIGNAL_CAP =	0x0001000F,
		/* Congestion Signaling Capability Descriptor */
	ELS_DTAG_LNK_INTEGRITY =	0x00020001,
		/* Link Integrity Notification Descriptor */
	ELS_DTAG_DELIVERY =		0x00020002,
		/* Delivery Notification Descriptor */
	ELS_DTAG_PEER_CONGEST =		0x00020003,
		/* Peer Congestion Notification Descriptor */
	ELS_DTAG_CONGESTION =		0x00020004,
		/* Congestion Notification Descriptor */
	ELS_DTAG_FPIN_REGISTER =	0x00030001,
		/* FPIN Registration Descriptor */
};

/*
 * Initializer useful for decoding table.
 * Please keep this in sync with the above definitions.
 */
#define FC_LS_TLV_DTAG_INIT {					      \
	{ ELS_DTAG_LS_REQ_INFO,		"Link Service Request Information" }, \
	{ ELS_DTAG_LNK_FAULT_CAP,	"Link Fault Capability" },	      \
	{ ELS_DTAG_CG_SIGNAL_CAP,	"Congestion Signaling Capability" },  \
	{ ELS_DTAG_LNK_INTEGRITY,	"Link Integrity Notification" },      \
	{ ELS_DTAG_DELIVERY,		"Delivery Notification Present" },    \
	{ ELS_DTAG_PEER_CONGEST,	"Peer Congestion Notification" },     \
	{ ELS_DTAG_CONGESTION,		"Congestion Notification" },	      \
	{ ELS_DTAG_FPIN_REGISTER,	"FPIN Registration" },		      \
}

Annotation

Implementation Notes