1da177e4c3
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
230 lines
6.1 KiB
C
230 lines
6.1 KiB
C
/* fc.h: Definitions for Fibre Channel Physical and Signaling Interface.
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*
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* Copyright (C) 1996-1997,1999 Jakub Jelinek (jj@ultra.linux.cz)
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*
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* Sources:
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* Fibre Channel Physical & Signaling Interface (FC-PH), dpANS, 1994
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* dpANS Fibre Channel Protocol for SCSI (X3.269-199X), Rev. 012, 1995
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*/
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#ifndef __FC_H
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#define __FC_H
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/* World Wide Name */
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#define NAAID_IEEE 1
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#define NAAID_IEEE_EXT 2
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#define NAAID_LOCAL 3
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#define NAAID_IP 4
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#define NAAID_IEEE_REG 5
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#define NAAID_IEEE_REG_EXT 6
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#define NAAID_CCITT 12
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#define NAAID_CCITT_GRP 14
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/* This is NAAID_IEEE_EXT scheme */
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typedef struct {
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u32 naaid:4;
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u32 nportid:12;
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u32 hi:16;
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u32 lo;
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} fc_wwn;
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/* Frame header for FC-PH frames */
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/* r_ctl field */
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#define R_CTL_DEVICE_DATA 0x00 /* FC4 Device_Data frame */
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#define R_CTL_EXTENDED_SVC 0x20 /* Extended Link_Data frame */
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#define R_CTL_FC4_SVC 0x30 /* FC4 Link_Data frame */
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#define R_CTL_VIDEO 0x40 /* Video_Data frame */
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#define R_CTL_BASIC_SVC 0x80 /* Basic Link_Data frame */
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#define R_CTL_LINK_CTL 0xc0 /* Link_Control frame */
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/* FC4 Device_Data frames */
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#define R_CTL_UNCATEGORIZED 0x00
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#define R_CTL_SOLICITED_DATA 0x01
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#define R_CTL_UNSOL_CONTROL 0x02
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#define R_CTL_SOLICITED_CONTROL 0x03
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#define R_CTL_UNSOL_DATA 0x04
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#define R_CTL_XFER_RDY 0x05
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#define R_CTL_COMMAND 0x06
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#define R_CTL_STATUS 0x07
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/* Basic Link_Data frames */
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#define R_CTL_LS_NOP 0x80
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#define R_CTL_LS_ABTS 0x81
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#define R_CTL_LS_RMC 0x82
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#define R_CTL_LS_BA_ACC 0x84
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#define R_CTL_LS_BA_RJT 0x85
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/* Extended Link_Data frames */
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#define R_CTL_ELS_REQ 0x22
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#define R_CTL_ELS_RSP 0x23
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/* Link_Control frames */
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#define R_CTL_ACK_1 0xc0
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#define R_CTL_ACK_N 0xc1
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#define R_CTL_P_RJT 0xc2
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#define R_CTL_F_RJT 0xc3
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#define R_CTL_P_BSY 0xc4
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#define R_CTL_F_BSY_DF 0xc5
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#define R_CTL_F_BSY_LC 0xc6
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#define R_CTL_LCR 0xc7
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/* type field */
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#define TYPE_BASIC_LS 0x00
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#define TYPE_EXTENDED_LS 0x01
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#define TYPE_IS8802 0x04
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#define TYPE_IS8802_SNAP 0x05
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#define TYPE_SCSI_FCP 0x08
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#define TYPE_SCSI_GPP 0x09
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#define TYPE_HIPP_FP 0x0a
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#define TYPE_IPI3_MASTER 0x11
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#define TYPE_IPI3_SLAVE 0x12
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#define TYPE_IPI3_PEER 0x13
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/* f_ctl field */
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#define F_CTL_FILL_BYTES 0x000003
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#define F_CTL_XCHG_REASSEMBLE 0x000004
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#define F_CTL_RO_PRESENT 0x000008
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#define F_CTL_ABORT_SEQ 0x000030
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#define F_CTL_CONTINUE_SEQ 0x0000c0
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#define F_CTL_INVALIDATE_XID 0x004000
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#define F_CTL_XID_REASSIGNED 0x008000
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#define F_CTL_SEQ_INITIATIVE 0x010000
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#define F_CTL_CHAINED_SEQ 0x020000
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#define F_CTL_END_CONNECT 0x040000
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#define F_CTL_END_SEQ 0x080000
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#define F_CTL_LAST_SEQ 0x100000
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#define F_CTL_FIRST_SEQ 0x200000
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#define F_CTL_SEQ_CONTEXT 0x400000
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#define F_CTL_XCHG_CONTEXT 0x800000
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typedef struct {
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u32 r_ctl:8, did:24;
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u32 xxx1:8, sid:24;
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u32 type:8, f_ctl:24;
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u32 seq_id:8, df_ctl:8, seq_cnt:16;
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u16 ox_id, rx_id;
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u32 param;
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} fc_hdr;
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/* The following are ugly macros to make setup of this structure faster */
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#define FILL_FCHDR_RCTL_DID(fch, r_ctl, did) *(u32 *)(fch) = ((r_ctl) << 24) | (did);
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#define FILL_FCHDR_SID(fch, sid) *((u32 *)(fch)+1) = (sid);
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#define FILL_FCHDR_TYPE_FCTL(fch, type, f_ctl) *((u32 *)(fch)+2) = ((type) << 24) | (f_ctl);
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#define FILL_FCHDR_SEQ_DF_SEQ(fch, seq_id, df_ctl, seq_cnt) *((u32 *)(fch)+3) = ((seq_id) << 24) | ((df_ctl) << 16) | (seq_cnt);
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#define FILL_FCHDR_OXRX(fch, ox_id, rx_id) *((u32 *)(fch)+4) = ((ox_id) << 16) | (rx_id);
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/* Well known addresses */
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#define FS_GENERAL_MULTICAST 0xfffff7
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#define FS_WELL_KNOWN_MULTICAST 0xfffff8
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#define FS_HUNT_GROUP 0xfffff9
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#define FS_MANAGEMENT_SERVER 0xfffffa
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#define FS_TIME_SERVER 0xfffffb
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#define FS_NAME_SERVER 0xfffffc
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#define FS_FABRIC_CONTROLLER 0xfffffd
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#define FS_FABRIC_F_PORT 0xfffffe
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#define FS_BROADCAST 0xffffff
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/* Reject frames */
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/* The param field should be cast to this structure */
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typedef struct {
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u8 action;
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u8 reason;
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u8 xxx;
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u8 vendor_unique;
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} rjt_param;
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/* Reject action codes */
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#define RJT_RETRY 0x01
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#define RJT_NONRETRY 0x02
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/* Reject reason codes */
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#define RJT_INVALID_DID 0x01
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#define RJT_INVALID_SID 0x02
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#define RJT_NPORT_NOT_AVAIL_TEMP 0x03
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#define RJT_NPORT_NOT_AVAIL_PERM 0x04
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#define RJT_CLASS_NOT_SUPPORTED 0x05
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#define RJT_DELIMITER_ERROR 0x06
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#define RJT_TYPE_NOT_SUPPORTED 0x07
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#define RJT_INVALID_LINK_CONTROL 0x08
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#define RJT_INVALID_R_CTL 0x09
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#define RJT_INVALID_F_CTL 0x0a
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#define RJT_INVALID_OX_ID 0x0b
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#define RJT_INVALID_RX_ID 0x0c
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#define RJT_INVALID_SEQ_ID 0x0d
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#define RJT_INVALID_DF_CTL 0x0e
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#define RJT_INVALID_SEQ_CNT 0x0f
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#define RJT_INVALID_PARAMETER 0x10
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#define RJT_EXCHANGE_ERROR 0x11
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#define RJT_PROTOCOL_ERROR 0x12
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#define RJT_INCORRECT_LENGTH 0x13
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#define RJT_UNEXPECTED_ACK 0x14
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#define RJT_UNEXPECTED_LINK_RESP 0x15
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#define RJT_LOGIN_REQUIRED 0x16
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#define RJT_EXCESSIVE_SEQUENCES 0x17
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#define RJT_CANT_ESTABLISH_EXCHANGE 0x18
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#define RJT_SECURITY_NOT_SUPPORTED 0x19
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#define RJT_FABRIC_NA 0x1a
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#define RJT_VENDOR_UNIQUE 0xff
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#define SP_F_PORT_LOGIN 0x10
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/* Extended SVC commands */
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#define LS_RJT 0x01000000
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#define LS_ACC 0x02000000
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#define LS_PRLI_ACC 0x02100014
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#define LS_PLOGI 0x03000000
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#define LS_FLOGI 0x04000000
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#define LS_LOGO 0x05000000
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#define LS_ABTX 0x06000000
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#define LS_RCS 0x07000000
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#define LS_RES 0x08000000
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#define LS_RSS 0x09000000
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#define LS_RSI 0x0a000000
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#define LS_ESTS 0x0b000000
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#define LS_ESTC 0x0c000000
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#define LS_ADVC 0x0d000000
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#define LS_RTV 0x0e000000
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#define LS_RLS 0x0f000000
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#define LS_ECHO 0x10000000
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#define LS_TEST 0x11000000
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#define LS_RRQ 0x12000000
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#define LS_IDENT 0x20000000
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#define LS_PRLI 0x20100014
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#define LS_DISPLAY 0x21000000
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#define LS_PRLO 0x21100014
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#define LS_PDISC 0x50000000
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#define LS_ADISC 0x52000000
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typedef struct {
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u8 fcph_hi, fcph_lo;
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u16 buf2buf_credit;
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u8 common_features;
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u8 xxx1;
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u16 buf2buf_size;
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u8 xxx2;
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u8 total_concurrent;
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u16 off_by_info;
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u32 e_d_tov;
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} common_svc_parm;
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typedef struct {
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u16 serv_opts;
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u16 initiator_ctl;
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u16 rcpt_ctl;
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u16 recv_size;
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u8 xxx1;
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u8 concurrent_seqs;
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u16 end2end_credit;
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u16 open_seqs_per_xchg;
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u16 xxx2;
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} svc_parm;
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/* Login */
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typedef struct {
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u32 code;
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common_svc_parm common;
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fc_wwn nport_wwn;
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fc_wwn node_wwn;
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svc_parm class1;
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svc_parm class2;
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svc_parm class3;
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} logi;
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#endif /* !(__FC_H) */
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