| /* |
| * 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 |
| |
| /* T6 and later use a single-bit encoding for FetchBurstMin */ |
| #define FETCHBURSTMIN_64B_T6_X 0 |
| #define FETCHBURSTMIN_128B_T6_X 1 |
| |
| #define FETCHBURSTMAX_256B_X 2 |
| #define FETCHBURSTMAX_512B_X 3 |
| |
| #define HOSTFCMODE_INGRESS_QUEUE_X 1 |
| #define HOSTFCMODE_STATUS_PAGE_X 2 |
| |
| #define CIDXFLUSHTHRESH_32_X 5 |
| #define CIDXFLUSHTHRESH_128_X 7 |
| |
| #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__ */ |
