t4_values.h
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/*
* This file is part of the Chelsio T4 Ethernet driver for Linux.
*
* Copyright (c) 2003-2014 Chelsio Communications, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the
* OpenIB.org BSD license below:
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef __T4_VALUES_H__
#define __T4_VALUES_H__
/* This file contains definitions for various T4 register value hardware
* constants. The types of values encoded here are predominantly those for
* register fields which control "modal" behavior. For the most part, we do
* not include definitions for register fields which are simple numeric
* metrics, etc.
*/
/* SGE register field values.
*/
/* CONTROL1 register */
#define RXPKTCPLMODE_SPLIT_X 1
#define INGPCIEBOUNDARY_SHIFT_X 5
#define INGPCIEBOUNDARY_32B_X 0
#define INGPADBOUNDARY_SHIFT_X 5
/* CONTROL2 register */
#define INGPACKBOUNDARY_SHIFT_X 5
#define INGPACKBOUNDARY_16B_X 0
/* GTS register */
#define SGE_TIMERREGS 6
#define TIMERREG_COUNTER0_X 0
#define FETCHBURSTMIN_64B_X 2
#define FETCHBURSTMAX_256B_X 2
#define FETCHBURSTMAX_512B_X 3
#define HOSTFCMODE_STATUS_PAGE_X 2
#define CIDXFLUSHTHRESH_32_X 5
#define UPDATEDELIVERY_INTERRUPT_X 1
#define RSPD_TYPE_FLBUF_X 0
#define RSPD_TYPE_CPL_X 1
#define RSPD_TYPE_INTR_X 2
/* Congestion Manager Definitions.
*/
#define CONMCTXT_CNGTPMODE_S 19
#define CONMCTXT_CNGTPMODE_V(x) ((x) << CONMCTXT_CNGTPMODE_S)
#define CONMCTXT_CNGCHMAP_S 0
#define CONMCTXT_CNGCHMAP_V(x) ((x) << CONMCTXT_CNGCHMAP_S)
#define CONMCTXT_CNGTPMODE_CHANNEL_X 2
#define CONMCTXT_CNGTPMODE_QUEUE_X 1
/* T5 and later support a new BAR2-based doorbell mechanism for Egress Queues.
* The User Doorbells are each 128 bytes in length with a Simple Doorbell at
* offsets 8x and a Write Combining single 64-byte Egress Queue Unit
* (IDXSIZE_UNIT_X) Gather Buffer interface at offset 64. For Ingress Queues,
* we have a Going To Sleep register at offsets 8x+4.
*
* As noted above, we have many instances of the Simple Doorbell and Going To
* Sleep registers at offsets 8x and 8x+4, respectively. We want to use a
* non-64-byte aligned offset for the Simple Doorbell in order to attempt to
* avoid buffering of the writes to the Simple Doorbell and we want to use a
* non-contiguous offset for the Going To Sleep writes in order to avoid
* possible combining between them.
*/
#define SGE_UDB_SIZE 128
#define SGE_UDB_KDOORBELL 8
#define SGE_UDB_GTS 20
#define SGE_UDB_WCDOORBELL 64
/* CIM register field values.
*/
#define X_MBOWNER_FW 1
#define X_MBOWNER_PL 2
/* PCI-E definitions */
#define WINDOW_SHIFT_X 10
#define PCIEOFST_SHIFT_X 10
/* TP_VLAN_PRI_MAP controls which subset of fields will be present in the
* Compressed Filter Tuple for LE filters. Each bit set in TP_VLAN_PRI_MAP
* selects for a particular field being present. These fields, when present
* in the Compressed Filter Tuple, have the following widths in bits.
*/
#define FT_FCOE_W 1
#define FT_PORT_W 3
#define FT_VNIC_ID_W 17
#define FT_VLAN_W 17
#define FT_TOS_W 8
#define FT_PROTOCOL_W 8
#define FT_ETHERTYPE_W 16
#define FT_MACMATCH_W 9
#define FT_MPSHITTYPE_W 3
#define FT_FRAGMENTATION_W 1
/* Some of the Compressed Filter Tuple fields have internal structure. These
* bit shifts/masks describe those structures. All shifts are relative to the
* base position of the fields within the Compressed Filter Tuple
*/
#define FT_VLAN_VLD_S 16
#define FT_VLAN_VLD_V(x) ((x) << FT_VLAN_VLD_S)
#define FT_VLAN_VLD_F FT_VLAN_VLD_V(1U)
#define FT_VNID_ID_VF_S 0
#define FT_VNID_ID_VF_V(x) ((x) << FT_VNID_ID_VF_S)
#define FT_VNID_ID_PF_S 7
#define FT_VNID_ID_PF_V(x) ((x) << FT_VNID_ID_PF_S)
#define FT_VNID_ID_VLD_S 16
#define FT_VNID_ID_VLD_V(x) ((x) << FT_VNID_ID_VLD_S)
#endif /* __T4_VALUES_H__ */