f-stack/dpdk/drivers/net/cxgbe/base/t4_regs_values.h

175 lines
5.5 KiB
C

/*-
* BSD LICENSE
*
* Copyright(c) 2014-2017 Chelsio Communications.
* All rights reserved.
*
* 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.
* * Neither the name of Chelsio Communications nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __T4_REGS_VALUES_H__
#define __T4_REGS_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 definitions.
* ================
*/
/*
* SGE register field values.
*/
/* CONTROL register */
#define X_RXPKTCPLMODE_SPLIT 1
#define X_INGPCIEBOUNDARY_32B 0
#define X_INGPADBOUNDARY_SHIFT 5
#define X_INGPADBOUNDARY_32B 0
#define X_T6_INGPADBOUNDARY_SHIFT 3
#define X_T6_INGPADBOUNDARY_8B 0
/* CONTROL2 register */
#define X_INGPACKBOUNDARY_SHIFT 5
#define X_INGPACKBOUNDARY_16B 0
#define X_INGPACKBOUNDARY_64B 1
/* GTS register */
#define X_TIMERREG_RESTART_COUNTER 6
#define X_TIMERREG_UPDATE_CIDX 7
/*
* Egress Context field values
*/
#define X_FETCHBURSTMIN_64B 2
#define X_FETCHBURSTMIN_128B 3
#define X_FETCHBURSTMAX_256B 2
#define X_FETCHBURSTMAX_512B 3
#define X_HOSTFCMODE_NONE 0
/*
* Ingress Context field values
*/
#define X_UPDATEDELIVERY_STATUS_PAGE 2
#define X_RSPD_TYPE_FLBUF 0
#define X_RSPD_TYPE_CPL 1
/*
* Context field definitions. This is by no means a complete list of SGE
* Context fields. In the vast majority of cases the firmware initializes
* things the way they need to be set up. But in a few small cases, we need
* to compute new values and ship them off to the firmware to be applied to
* the SGE Conexts ...
*/
/*
* Congestion Manager Definitions.
*/
#define S_CONMCTXT_CNGTPMODE 19
#define M_CONMCTXT_CNGTPMODE 0x3
#define V_CONMCTXT_CNGTPMODE(x) ((x) << S_CONMCTXT_CNGTPMODE)
#define G_CONMCTXT_CNGTPMODE(x) \
(((x) >> S_CONMCTXT_CNGTPMODE) & M_CONMCTXT_CNGTPMODE)
#define S_CONMCTXT_CNGCHMAP 0
#define M_CONMCTXT_CNGCHMAP 0xffff
#define V_CONMCTXT_CNGCHMAP(x) ((x) << S_CONMCTXT_CNGCHMAP)
#define G_CONMCTXT_CNGCHMAP(x) \
(((x) >> S_CONMCTXT_CNGCHMAP) & M_CONMCTXT_CNGCHMAP)
#define X_CONMCTXT_CNGTPMODE_QUEUE 1
#define X_CONMCTXT_CNGTPMODE_CHANNEL 2
/*
* 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
* (X_IDXSIZE_UNIT) 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
/*
* CIM definitions.
* ================
*/
/*
* CIM register field values.
*/
#define X_MBOWNER_NONE 0
#define X_MBOWNER_FW 1
#define X_MBOWNER_PL 2
/*
* PCI-E definitions.
* ==================
*/
#define X_WINDOW_SHIFT 10
#define X_PCIEOFST_SHIFT 10
/*
* TP definitions.
* ===============
*/
/*
* 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 W_FT_FCOE 1
#define W_FT_PORT 3
#define W_FT_VNIC_ID 17
#define W_FT_VLAN 17
#define W_FT_TOS 8
#define W_FT_PROTOCOL 8
#define W_FT_ETHERTYPE 16
#define W_FT_MACMATCH 9
#define W_FT_MPSHITTYPE 3
#define W_FT_FRAGMENTATION 1
#endif /* __T4_REGS_VALUES_H__ */