157 строки
5.4 KiB
C
157 строки
5.4 KiB
C
/*
|
|
* 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
|
|
|
|
#define T6_INGPADBOUNDARY_SHIFT_X 3
|
|
#define T6_INGPADBOUNDARY_8B_X 0
|
|
#define T6_INGPADBOUNDARY_32B_X 2
|
|
|
|
#define INGPADBOUNDARY_32B_X 0
|
|
|
|
/* CONTROL2 register */
|
|
#define INGPACKBOUNDARY_SHIFT_X 5
|
|
#define INGPACKBOUNDARY_16B_X 0
|
|
#define INGPACKBOUNDARY_64B_X 1
|
|
|
|
/* GTS register */
|
|
#define SGE_TIMERREGS 6
|
|
#define TIMERREG_COUNTER0_X 0
|
|
|
|
#define FETCHBURSTMIN_64B_X 2
|
|
#define FETCHBURSTMIN_128B_X 3
|
|
|
|
#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__ */
|