87 lines
2.4 KiB
C
87 lines
2.4 KiB
C
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/*-
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* Copyright (c) 2010 Chelsio Communications, Inc.
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* All rights reserved.
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* Written by: Navdeep Parhar <np@FreeBSD.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*
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*/
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#ifndef __T4_OFFLOAD_H__
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#define __T4_OFFLOAD_H__
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/*
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* Max # of ATIDs. The absolute HW max is 16K but we keep it lower.
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*/
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#define MAX_ATIDS 8192U
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struct serv_entry {
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void *data;
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};
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union aopen_entry {
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void *data;
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union aopen_entry *next;
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};
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/*
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* Holds the size, base address, free list start, etc of the TID, server TID,
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* and active-open TID tables. The tables themselves are allocated dynamically.
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*/
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struct tid_info {
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void **tid_tab;
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unsigned int ntids;
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struct serv_entry *stid_tab;
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unsigned long *stid_bmap;
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unsigned int nstids;
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unsigned int stid_base;
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union aopen_entry *atid_tab;
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unsigned int natids;
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unsigned int nftids;
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unsigned int ftid_base;
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union aopen_entry *afree;
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unsigned int atids_in_use;
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unsigned int stids_in_use;
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};
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struct t4_range {
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unsigned int start;
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unsigned int size;
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};
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struct t4_virt_res { /* virtualized HW resources */
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struct t4_range ddp;
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struct t4_range iscsi;
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struct t4_range stag;
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struct t4_range rq;
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struct t4_range pbl;
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};
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#endif
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