cxgb4: Add HW and FW support code
Signed-off-by: Dimitris Michailidis <dm@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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2 changed files with 3231 additions and 0 deletions
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drivers/net/cxgb4/t4_hw.c
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drivers/net/cxgb4/t4_hw.c
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drivers/net/cxgb4/t4_hw.h
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drivers/net/cxgb4/t4_hw.h
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/*
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* This file is part of the Chelsio T4 Ethernet driver for Linux.
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*
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* Copyright (c) 2003-2010 Chelsio Communications, Inc. All rights reserved.
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*
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* This software is available to you under a choice of one of two
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* licenses. You may choose to be licensed under the terms of the GNU
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* General Public License (GPL) Version 2, available from the file
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* COPYING in the main directory of this source tree, or the
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* OpenIB.org BSD license below:
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef __T4_HW_H
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#define __T4_HW_H
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#include <linux/types.h>
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enum {
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NCHAN = 4, /* # of HW channels */
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MAX_MTU = 9600, /* max MAC MTU, excluding header + FCS */
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EEPROMSIZE = 17408, /* Serial EEPROM physical size */
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EEPROMVSIZE = 32768, /* Serial EEPROM virtual address space size */
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RSS_NENTRIES = 2048, /* # of entries in RSS mapping table */
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TCB_SIZE = 128, /* TCB size */
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NMTUS = 16, /* size of MTU table */
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NCCTRL_WIN = 32, /* # of congestion control windows */
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NEXACT_MAC = 336, /* # of exact MAC address filters */
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L2T_SIZE = 4096, /* # of L2T entries */
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MBOX_LEN = 64, /* mailbox size in bytes */
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TRACE_LEN = 112, /* length of trace data and mask */
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FILTER_OPT_LEN = 36, /* filter tuple width for optional components */
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NWOL_PAT = 8, /* # of WoL patterns */
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WOL_PAT_LEN = 128, /* length of WoL patterns */
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};
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enum {
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SF_PAGE_SIZE = 256, /* serial flash page size */
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SF_SEC_SIZE = 64 * 1024, /* serial flash sector size */
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SF_SIZE = SF_SEC_SIZE * 16, /* serial flash size */
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};
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enum { RSP_TYPE_FLBUF, RSP_TYPE_CPL, RSP_TYPE_INTR }; /* response entry types */
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enum { MBOX_OWNER_NONE, MBOX_OWNER_FW, MBOX_OWNER_DRV }; /* mailbox owners */
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enum {
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SGE_MAX_WR_LEN = 512, /* max WR size in bytes */
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SGE_NTIMERS = 6, /* # of interrupt holdoff timer values */
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SGE_NCOUNTERS = 4, /* # of interrupt packet counter values */
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};
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struct sge_qstat { /* data written to SGE queue status entries */
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__be32 qid;
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__be16 cidx;
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__be16 pidx;
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};
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/*
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* Structure for last 128 bits of response descriptors
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*/
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struct rsp_ctrl {
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__be32 hdrbuflen_pidx;
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__be32 pldbuflen_qid;
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union {
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u8 type_gen;
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__be64 last_flit;
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};
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};
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#define RSPD_NEWBUF 0x80000000U
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#define RSPD_LEN 0x7fffffffU
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#define RSPD_GEN(x) ((x) >> 7)
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#define RSPD_TYPE(x) (((x) >> 4) & 3)
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#define QINTR_CNT_EN 0x1
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#define QINTR_TIMER_IDX(x) ((x) << 1)
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#endif /* __T4_HW_H */
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