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