diff options
Diffstat (limited to 'drivers/fc4/fc.h')
| -rw-r--r-- | drivers/fc4/fc.h | 230 |
1 files changed, 230 insertions, 0 deletions
diff --git a/drivers/fc4/fc.h b/drivers/fc4/fc.h new file mode 100644 index 00000000000..13f89d4c8cb --- /dev/null +++ b/drivers/fc4/fc.h @@ -0,0 +1,230 @@ +/* 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 0x800000 + +typedef 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 0x52000000 + +typedef 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) */ |