/* fc.h: Definitions for Fibre Channel Physical and Signaling Interface. * * Copyright (C) 1996-1997,1999 Jakub Jelinek (jj@ultra.linux.cz) * * Sources: *	Fibre Channel Physical & Signaling Interface (FC-PH), dpANS, 1994 *	dpANS Fibre Channel Protocol for SCSI (X3.269-199X), Rev. 012, 1995 */#ifndef __FC_H#define __FC_H/* World Wide Name */#define NAAID_IEEE		1#define NAAID_IEEE_EXT		2#define NAAID_LOCAL		3#define NAAID_IP		4#define NAAID_IEEE_REG		5#define NAAID_IEEE_REG_EXT	6#define NAAID_CCITT		12#define NAAID_CCITT_GRP		14/* This is NAAID_IEEE_EXT scheme */typedef struct {	u32	naaid:4;	u32	nportid:12;	u32	hi:16;	u32	lo;} fc_wwn;/* Frame header for FC-PH frames *//* r_ctl field */#define R_CTL_DEVICE_DATA	0x00	/* FC4 Device_Data frame */#define R_CTL_EXTENDED_SVC	0x20	/* Extended Link_Data frame */#define R_CTL_FC4_SVC		0x30	/* FC4 Link_Data frame */#define R_CTL_VIDEO		0x40	/* Video_Data frame */#define R_CTL_BASIC_SVC		0x80	/* Basic Link_Data frame */#define R_CTL_LINK_CTL		0xc0	/* Link_Control frame *//* FC4 Device_Data frames */#define R_CTL_UNCATEGORIZED	0x00#define R_CTL_SOLICITED_DATA	0x01#define R_CTL_UNSOL_CONTROL	0x02#define R_CTL_SOLICITED_CONTROL	0x03#define R_CTL_UNSOL_DATA	0x04#define R_CTL_XFER_RDY		0x05#define R_CTL_COMMAND		0x06#define R_CTL_STATUS		0x07/* Basic Link_Data frames */#define R_CTL_LS_NOP		0x80#define R_CTL_LS_ABTS		0x81#define R_CTL_LS_RMC		0x82#define R_CTL_LS_BA_ACC		0x84#define R_CTL_LS_BA_RJT		0x85/* Extended Link_Data frames */#define R_CTL_ELS_REQ		0x22#define R_CTL_ELS_RSP		0x23/* Link_Control frames */#define R_CTL_ACK_1		0xc0#define R_CTL_ACK_N		0xc1#define R_CTL_P_RJT		0xc2#define R_CTL_F_RJT		0xc3#define R_CTL_P_BSY		0xc4#define R_CTL_F_BSY_DF		0xc5#define R_CTL_F_BSY_LC		0xc6#define R_CTL_LCR		0xc7/* type field */#define TYPE_BASIC_LS		0x00#define TYPE_EXTENDED_LS	0x01#define TYPE_IS8802		0x04#define TYPE_IS8802_SNAP	0x05#define TYPE_SCSI_FCP		0x08#define TYPE_SCSI_GPP		0x09#define TYPE_HIPP_FP		0x0a#define TYPE_IPI3_MASTER	0x11#define TYPE_IPI3_SLAVE		0x12#define TYPE_IPI3_PEER		0x13/* f_ctl field */#define F_CTL_FILL_BYTES	0x000003#define F_CTL_XCHG_REASSEMBLE	0x000004#define F_CTL_RO_PRESENT	0x000008#define F_CTL_ABORT_SEQ		0x000030#define F_CTL_CONTINUE_SEQ	0x0000c0#define F_CTL_INVALIDATE_XID	0x004000#define F_CTL_XID_REASSIGNED	0x008000#define F_CTL_SEQ_INITIATIVE	0x010000#define F_CTL_CHAINED_SEQ	0x020000#define F_CTL_END_CONNECT	0x040000#define F_CTL_END_SEQ		0x080000#define F_CTL_LAST_SEQ		0x100000#define F_CTL_FIRST_SEQ		0x200000#define F_CTL_SEQ_CONTEXT	0x400000#define F_CTL_XCHG_CONTEXT	0x800000typedef struct {	u32	r_ctl:8,	did:24;	u32	xxx1:8,		sid:24;	u32	type:8,		f_ctl:24;	u32	seq_id:8,	df_ctl:8,	seq_cnt:16;	u16	ox_id,		rx_id;	u32	param;} fc_hdr;/* The following are ugly macros to make setup of this structure faster */#define FILL_FCHDR_RCTL_DID(fch, r_ctl, did) *(u32 *)(fch) = ((r_ctl) << 24) | (did);#define FILL_FCHDR_SID(fch, sid) *((u32 *)(fch)+1) = (sid);#define FILL_FCHDR_TYPE_FCTL(fch, type, f_ctl) *((u32 *)(fch)+2) = ((type) << 24) | (f_ctl);#define FILL_FCHDR_SEQ_DF_SEQ(fch, seq_id, df_ctl, seq_cnt) *((u32 *)(fch)+3) = ((seq_id) << 24) | ((df_ctl) << 16) | (seq_cnt);#define FILL_FCHDR_OXRX(fch, ox_id, rx_id) *((u32 *)(fch)+4) = ((ox_id) << 16) | (rx_id);/* Well known addresses */#define FS_GENERAL_MULTICAST	0xfffff7#define FS_WELL_KNOWN_MULTICAST	0xfffff8#define FS_HUNT_GROUP		0xfffff9#define FS_MANAGEMENT_SERVER	0xfffffa#define FS_TIME_SERVER		0xfffffb#define FS_NAME_SERVER		0xfffffc#define FS_FABRIC_CONTROLLER	0xfffffd#define FS_FABRIC_F_PORT	0xfffffe#define FS_BROADCAST		0xffffff/* Reject frames *//* The param field should be cast to this structure */typedef struct {	u8	action;	u8	reason;	u8	xxx;	u8	vendor_unique;} rjt_param;/* Reject action codes */#define RJT_RETRY			0x01#define RJT_NONRETRY			0x02/* Reject reason codes */#define RJT_INVALID_DID			0x01#define RJT_INVALID_SID			0x02#define RJT_NPORT_NOT_AVAIL_TEMP	0x03#define RJT_NPORT_NOT_AVAIL_PERM	0x04#define RJT_CLASS_NOT_SUPPORTED		0x05#define RJT_DELIMITER_ERROR		0x06#define RJT_TYPE_NOT_SUPPORTED		0x07#define RJT_INVALID_LINK_CONTROL	0x08#define RJT_INVALID_R_CTL		0x09#define RJT_INVALID_F_CTL		0x0a#define RJT_INVALID_OX_ID		0x0b#define RJT_INVALID_RX_ID		0x0c#define RJT_INVALID_SEQ_ID		0x0d#define RJT_INVALID_DF_CTL		0x0e#define RJT_INVALID_SEQ_CNT		0x0f#define RJT_INVALID_PARAMETER		0x10#define RJT_EXCHANGE_ERROR		0x11#define RJT_PROTOCOL_ERROR		0x12#define RJT_INCORRECT_LENGTH		0x13#define RJT_UNEXPECTED_ACK		0x14#define RJT_UNEXPECTED_LINK_RESP	0x15#define RJT_LOGIN_REQUIRED		0x16#define RJT_EXCESSIVE_SEQUENCES		0x17#define RJT_CANT_ESTABLISH_EXCHANGE	0x18#define RJT_SECURITY_NOT_SUPPORTED	0x19#define RJT_FABRIC_NA			0x1a#define RJT_VENDOR_UNIQUE		0xff#define SP_F_PORT_LOGIN			0x10/* Extended SVC commands */#define LS_RJT			0x01000000#define LS_ACC			0x02000000#define LS_PRLI_ACC		0x02100014#define LS_PLOGI		0x03000000#define LS_FLOGI		0x04000000#define LS_LOGO			0x05000000#define LS_ABTX			0x06000000#define LS_RCS			0x07000000#define LS_RES			0x08000000#define LS_RSS			0x09000000#define LS_RSI			0x0a000000#define LS_ESTS			0x0b000000#define LS_ESTC			0x0c000000#define LS_ADVC			0x0d000000#define LS_RTV			0x0e000000#define LS_RLS			0x0f000000#define LS_ECHO			0x10000000#define LS_TEST			0x11000000#define LS_RRQ			0x12000000#define LS_IDENT		0x20000000#define LS_PRLI			0x20100014#define LS_DISPLAY		0x21000000#define LS_PRLO			0x21100014#define LS_PDISC		0x50000000#define LS_ADISC		0x52000000typedef struct {	u8	fcph_hi, fcph_lo;	u16	buf2buf_credit;	u8	common_features;	u8	xxx1;	u16	buf2buf_size;	u8	xxx2;	u8	total_concurrent;	u16	off_by_info;	u32	e_d_tov;} common_svc_parm;typedef struct {	u16	serv_opts;	u16	initiator_ctl;	u16	rcpt_ctl;	u16	recv_size;	u8	xxx1;	u8	concurrent_seqs;	u16	end2end_credit;	u16	open_seqs_per_xchg;	u16	xxx2;} svc_parm;/* Login */typedef struct {	u32		code;	common_svc_parm	common;	fc_wwn		nport_wwn;	fc_wwn		node_wwn;	svc_parm	class1;	svc_parm	class2;	svc_parm	class3;} logi;#endif /* !(__FC_H) */