/* * This file is provided under a dual BSD/GPLv2 license. When using or * redistributing this file, you may do so under either license. * * GPL LICENSE SUMMARY * * Copyright(c) 2012 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as * published by the Free Software Foundation. * * BSD LICENSE * * Copyright(c) 2012 Intel Corporation. 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 copy * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * Neither the name of Intel Corporation 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. * * Intel PCIe NTB Linux driver * * Contact Information: * Jon Mason */ #define NTB_LINK_ENABLE 0x0000 #define NTB_LINK_DISABLE 0x0002 #define NTB_LINK_STATUS_ACTIVE 0x2000 #define NTB_LINK_SPEED_MASK 0x000f #define NTB_LINK_WIDTH_MASK 0x03f0 #define SNB_MSIX_CNT 4 #define SNB_MAX_SPADS 16 #define SNB_MAX_COMPAT_SPADS 8 /* Reserve the uppermost bit for link interrupt */ #define SNB_MAX_DB_BITS 15 #define SNB_DB_BITS_PER_VEC 5 #define SNB_DB_HW_LINK 0x8000 #define SNB_PCICMD_OFFSET 0x0504 #define SNB_DEVCTRL_OFFSET 0x0598 #define SNB_LINK_STATUS_OFFSET 0x01A2 #define SNB_PBAR2LMT_OFFSET 0x0000 #define SNB_PBAR4LMT_OFFSET 0x0008 #define SNB_PBAR2XLAT_OFFSET 0x0010 #define SNB_PBAR4XLAT_OFFSET 0x0018 #define SNB_SBAR2LMT_OFFSET 0x0020 #define SNB_SBAR4LMT_OFFSET 0x0028 #define SNB_SBAR2XLAT_OFFSET 0x0030 #define SNB_SBAR4XLAT_OFFSET 0x0038 #define SNB_SBAR0BASE_OFFSET 0x0040 #define SNB_SBAR2BASE_OFFSET 0x0048 #define SNB_SBAR4BASE_OFFSET 0x0050 #define SNB_NTBCNTL_OFFSET 0x0058 #define SNB_SBDF_OFFSET 0x005C #define SNB_PDOORBELL_OFFSET 0x0060 #define SNB_PDBMSK_OFFSET 0x0062 #define SNB_SDOORBELL_OFFSET 0x0064 #define SNB_SDBMSK_OFFSET 0x0066 #define SNB_USMEMMISS 0x0070 #define SNB_SPAD_OFFSET 0x0080 #define SNB_SPADSEMA4_OFFSET 0x00c0 #define SNB_WCCNTRL_OFFSET 0x00e0 #define SNB_B2B_SPAD_OFFSET 0x0100 #define SNB_B2B_DOORBELL_OFFSET 0x0140 #define SNB_B2B_XLAT_OFFSET 0x0144 #define BWD_MSIX_CNT 34 #define BWD_MAX_SPADS 16 #define BWD_MAX_COMPAT_SPADS 16 #define BWD_MAX_DB_BITS 34 #define BWD_DB_BITS_PER_VEC 1 #define BWD_PCICMD_OFFSET 0xb004 #define BWD_MBAR23_OFFSET 0xb018 #define BWD_MBAR45_OFFSET 0xb020 #define BWD_DEVCTRL_OFFSET 0xb048 #define BWD_LINK_STATUS_OFFSET 0xb052 #define BWD_SBAR2XLAT_OFFSET 0x0008 #define BWD_SBAR4XLAT_OFFSET 0x0010 #define BWD_PDOORBELL_OFFSET 0x0020 #define BWD_PDBMSK_OFFSET 0x0028 #define BWD_NTBCNTL_OFFSET 0x0060 #define BWD_EBDF_OFFSET 0x0064 #define BWD_SPAD_OFFSET 0x0080 #define BWD_SPADSEMA_OFFSET 0x00c0 #define BWD_STKYSPAD_OFFSET 0x00c4 #define BWD_PBAR2XLAT_OFFSET 0x8008 #define BWD_PBAR4XLAT_OFFSET 0x8010 #define BWD_B2B_DOORBELL_OFFSET 0x8020 #define BWD_B2B_SPAD_OFFSET 0x8080 #define BWD_B2B_SPADSEMA_OFFSET 0x80c0 #define BWD_B2B_STKYSPAD_OFFSET 0x80c4 #define NTB_CNTL_BAR23_SNOOP (1 << 2) #define NTB_CNTL_BAR45_SNOOP (1 << 6) #define BWD_CNTL_LINK_DOWN (1 << 16) #define NTB_PPD_OFFSET 0x00D4 #define SNB_PPD_CONN_TYPE 0x0003 #define SNB_PPD_DEV_TYPE 0x0010 #define BWD_PPD_INIT_LINK 0x0008 #define BWD_PPD_CONN_TYPE 0x0300 #define BWD_PPD_DEV_TYPE 0x1000 #define BWD_PBAR2XLAT_USD_ADDR 0x0000004000000000 #define BWD_PBAR4XLAT_USD_ADDR 0x0000008000000000 #define BWD_MBAR23_USD_ADDR 0x000000410000000C #define BWD_MBAR45_USD_ADDR 0x000000810000000C #define BWD_PBAR2XLAT_DSD_ADDR 0x0000004100000000 #define BWD_PBAR4XLAT_DSD_ADDR 0x0000008100000000 #define BWD_MBAR23_DSD_ADDR 0x000000400000000C #define BWD_MBAR45_DSD_ADDR 0x000000800000000C