175 lines
4.3 KiB
C
175 lines
4.3 KiB
C
/*
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* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
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* All rights reserved
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* www.brocade.com
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*
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* Linux driver for Brocade Fibre Channel Host Bus Adapter.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License (GPL) Version 2 as
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* published by the Free Software Foundation
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*/
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#ifndef __BFI_H__
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#define __BFI_H__
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#include <bfa_os_inc.h>
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#include <defs/bfa_defs_status.h>
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#pragma pack(1)
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/**
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* Msg header common to all msgs
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*/
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struct bfi_mhdr_s {
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u8 msg_class; /* @ref bfi_mclass_t */
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u8 msg_id; /* msg opcode with in the class */
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union {
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struct {
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u8 rsvd;
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u8 lpu_id; /* msg destination */
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} h2i;
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u16 i2htok; /* token in msgs to host */
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} mtag;
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};
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#define bfi_h2i_set(_mh, _mc, _op, _lpuid) do { \
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(_mh).msg_class = (_mc); \
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(_mh).msg_id = (_op); \
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(_mh).mtag.h2i.lpu_id = (_lpuid); \
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} while (0)
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#define bfi_i2h_set(_mh, _mc, _op, _i2htok) do { \
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(_mh).msg_class = (_mc); \
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(_mh).msg_id = (_op); \
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(_mh).mtag.i2htok = (_i2htok); \
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} while (0)
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/*
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* Message opcodes: 0-127 to firmware, 128-255 to host
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*/
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#define BFI_I2H_OPCODE_BASE 128
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#define BFA_I2HM(_x) ((_x) + BFI_I2H_OPCODE_BASE)
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/**
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****************************************************************************
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*
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* Scatter Gather Element and Page definition
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*
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****************************************************************************
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*/
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#define BFI_SGE_INLINE 1
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#define BFI_SGE_INLINE_MAX (BFI_SGE_INLINE + 1)
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/**
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* SG Flags
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*/
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enum {
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BFI_SGE_DATA = 0, /* data address, not last */
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BFI_SGE_DATA_CPL = 1, /* data addr, last in current page */
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BFI_SGE_DATA_LAST = 3, /* data address, last */
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BFI_SGE_LINK = 2, /* link address */
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BFI_SGE_PGDLEN = 2, /* cumulative data length for page */
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};
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/**
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* DMA addresses
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*/
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union bfi_addr_u {
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struct {
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u32 addr_lo;
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u32 addr_hi;
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} a32;
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};
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/**
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* Scatter Gather Element
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*/
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struct bfi_sge_s {
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#ifdef __BIGENDIAN
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u32 flags : 2,
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rsvd : 2,
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sg_len : 28;
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#else
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u32 sg_len : 28,
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rsvd : 2,
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flags : 2;
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#endif
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union bfi_addr_u sga;
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};
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/**
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* Scatter Gather Page
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*/
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#define BFI_SGPG_DATA_SGES 7
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#define BFI_SGPG_SGES_MAX (BFI_SGPG_DATA_SGES + 1)
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#define BFI_SGPG_RSVD_WD_LEN 8
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struct bfi_sgpg_s {
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struct bfi_sge_s sges[BFI_SGPG_SGES_MAX];
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u32 rsvd[BFI_SGPG_RSVD_WD_LEN];
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};
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/*
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* Large Message structure - 128 Bytes size Msgs
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*/
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#define BFI_LMSG_SZ 128
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#define BFI_LMSG_PL_WSZ \
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((BFI_LMSG_SZ - sizeof(struct bfi_mhdr_s)) / 4)
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struct bfi_msg_s {
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struct bfi_mhdr_s mhdr;
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u32 pl[BFI_LMSG_PL_WSZ];
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};
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/**
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* Mailbox message structure
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*/
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#define BFI_MBMSG_SZ 7
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struct bfi_mbmsg_s {
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struct bfi_mhdr_s mh;
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u32 pl[BFI_MBMSG_SZ];
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};
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/**
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* Message Classes
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*/
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enum bfi_mclass {
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BFI_MC_IOC = 1, /* IO Controller (IOC) */
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BFI_MC_DIAG = 2, /* Diagnostic Msgs */
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BFI_MC_FLASH = 3, /* Flash message class */
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BFI_MC_CEE = 4,
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BFI_MC_FC_PORT = 5, /* FC port */
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BFI_MC_IOCFC = 6, /* FC - IO Controller (IOC) */
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BFI_MC_LL = 7, /* Link Layer */
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BFI_MC_UF = 8, /* Unsolicited frame receive */
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BFI_MC_FCXP = 9, /* FC Transport */
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BFI_MC_LPS = 10, /* lport fc login services */
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BFI_MC_RPORT = 11, /* Remote port */
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BFI_MC_ITNIM = 12, /* I-T nexus (Initiator mode) */
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BFI_MC_IOIM_READ = 13, /* read IO (Initiator mode) */
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BFI_MC_IOIM_WRITE = 14, /* write IO (Initiator mode) */
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BFI_MC_IOIM_IO = 15, /* IO (Initiator mode) */
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BFI_MC_IOIM = 16, /* IO (Initiator mode) */
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BFI_MC_IOIM_IOCOM = 17, /* good IO completion */
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BFI_MC_TSKIM = 18, /* Initiator Task management */
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BFI_MC_SBOOT = 19, /* SAN boot services */
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BFI_MC_IPFC = 20, /* IP over FC Msgs */
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BFI_MC_PORT = 21, /* Physical port */
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BFI_MC_MAX = 32
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};
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#define BFI_IOC_MAX_CQS 4
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#define BFI_IOC_MAX_CQS_ASIC 8
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#define BFI_IOC_MSGLEN_MAX 32 /* 32 bytes */
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#pragma pack()
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#endif /* __BFI_H__ */
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