/*
* 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) 2012-2017 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) 2012-2017 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.
*/
#ifndef _NTB_INTEL_GEN3_H_
#define _NTB_INTEL_GEN3_H_
#include "ntb_hw_intel.h"
/* Intel Skylake Xeon hardware */
#define GEN3_IMBAR1SZ_OFFSET 0x00d0
#define GEN3_IMBAR2SZ_OFFSET 0x00d1
#define GEN3_EMBAR1SZ_OFFSET 0x00d2
#define GEN3_EMBAR2SZ_OFFSET 0x00d3
#define GEN3_DEVCTRL_OFFSET 0x0098
#define GEN3_DEVSTS_OFFSET 0x009a
#define GEN3_UNCERRSTS_OFFSET 0x014c
#define GEN3_CORERRSTS_OFFSET 0x0158
#define GEN3_LINK_STATUS_OFFSET 0x01a2
#define GEN3_NTBCNTL_OFFSET 0x0000
#define GEN3_IMBAR1XBASE_OFFSET 0x0010 /* SBAR2XLAT */
#define GEN3_IMBAR1XLMT_OFFSET 0x0018 /* SBAR2LMT */
#define GEN3_IMBAR2XBASE_OFFSET 0x0020 /* SBAR4XLAT */
#define GEN3_IMBAR2XLMT_OFFSET 0x0028 /* SBAR4LMT */
#define GEN3_IM_INT_STATUS_OFFSET 0x0040
#define GEN3_IM_INT_DISABLE_OFFSET 0x0048
#define GEN3_IM_SPAD_OFFSET 0x0080 /* SPAD */
#define GEN3_USMEMMISS_OFFSET 0x0070
#define GEN3_INTVEC_OFFSET 0x00d0
#define GEN3_IM_DOORBELL_OFFSET 0x0100 /* SDOORBELL0 */
#define GEN3_B2B_SPAD_OFFSET 0x0180 /* B2B SPAD */
#define GEN3_EMBAR0XBASE_OFFSET 0x4008 /* B2B_XLAT */
#define GEN3_EMBAR1XBASE_OFFSET 0x4010 /* PBAR2XLAT */
#define GEN3_EMBAR1XLMT_OFFSET 0x4018 /* PBAR2LMT */
#define GEN3_EMBAR2XBASE_OFFSET 0x4020 /* PBAR4XLAT */
#define GEN3_EMBAR2XLMT_OFFSET 0x4028 /* PBAR4LMT */
#define GEN3_EM_INT_STATUS_OFFSET 0x4040
#define GEN3_EM_INT_DISABLE_OFFSET 0x4048
#define GEN3_EM_SPAD_OFFSET 0x4080 /* remote SPAD */
#define GEN3_EM_DOORBELL_OFFSET 0x4100 /* PDOORBELL0 */
#define GEN3_SPCICMD_OFFSET 0x4504 /* SPCICMD */
#define GEN3_EMBAR0_OFFSET 0x4510 /* SBAR0BASE */
#define GEN3_EMBAR1_OFFSET 0x4518 /* SBAR23BASE */
#define GEN3_EMBAR2_OFFSET 0x4520 /* SBAR45BASE */
#define GEN3_DB_COUNT 32
#define GEN3_DB_LINK 32
#define GEN3_DB_LINK_BIT BIT_ULL(GEN3_DB_LINK)
#define GEN3_DB_MSIX_VECTOR_COUNT 33
#define GEN3_DB_MSIX_VECTOR_SHIFT 1
#define GEN3_DB_TOTAL_SHIFT 33
#define GEN3_SPAD_COUNT 16
static inline u64 gen3_db_ioread(const void __iomem *mmio)
{
return ioread64(mmio);
}
static inline void gen3_db_iowrite(u64 bits, void __iomem *mmio)
{
iowrite64(bits, mmio);
}
ssize_t ndev_ntb3_debugfs_read(struct file *filp, char __user *ubuf,
size_t count, loff_t *offp);
int gen3_init_dev(struct intel_ntb_dev *ndev);
int intel_ntb3_link_enable(struct ntb_dev *ntb, enum ntb_speed max_speed,
enum ntb_width max_width);
u64 intel_ntb3_db_read(struct ntb_dev *ntb);
int intel_ntb3_db_clear(struct ntb_dev *ntb, u64 db_bits);
int intel_ntb3_peer_db_set(struct ntb_dev *ntb, u64 db_bits);
int intel_ntb3_peer_db_addr(struct ntb_dev *ntb, phys_addr_t *db_addr,
resource_size_t *db_size,
u64 *db_data, int db_bit);
extern const struct ntb_dev_ops intel_ntb3_ops;
#endif
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