--- /dev/null
+/*
+ * 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
+
+/* 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__ */
Code Review / kvmfornfv.git / blobdiff