mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-27 13:25:12 +07:00
f6e51c354b
Move the Intel hw gen3 code to its own source file. The ntb_hw_intel.c was getting too large and makes it hard to maintain with future hardware changes. Signed-off-by: Dave Jiang <dave.jiang@intel.com> Signed-off-by: Jon Mason <jdmason@kudzu.us>
183 lines
7.6 KiB
C
183 lines
7.6 KiB
C
/*
|
|
* 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_GEN1_H_
|
|
#define _NTB_INTEL_GEN1_H_
|
|
|
|
#include "ntb_hw_intel.h"
|
|
|
|
/* Intel Gen1 Xeon hardware */
|
|
#define XEON_PBAR23LMT_OFFSET 0x0000
|
|
#define XEON_PBAR45LMT_OFFSET 0x0008
|
|
#define XEON_PBAR4LMT_OFFSET 0x0008
|
|
#define XEON_PBAR5LMT_OFFSET 0x000c
|
|
#define XEON_PBAR23XLAT_OFFSET 0x0010
|
|
#define XEON_PBAR45XLAT_OFFSET 0x0018
|
|
#define XEON_PBAR4XLAT_OFFSET 0x0018
|
|
#define XEON_PBAR5XLAT_OFFSET 0x001c
|
|
#define XEON_SBAR23LMT_OFFSET 0x0020
|
|
#define XEON_SBAR45LMT_OFFSET 0x0028
|
|
#define XEON_SBAR4LMT_OFFSET 0x0028
|
|
#define XEON_SBAR5LMT_OFFSET 0x002c
|
|
#define XEON_SBAR23XLAT_OFFSET 0x0030
|
|
#define XEON_SBAR45XLAT_OFFSET 0x0038
|
|
#define XEON_SBAR4XLAT_OFFSET 0x0038
|
|
#define XEON_SBAR5XLAT_OFFSET 0x003c
|
|
#define XEON_SBAR0BASE_OFFSET 0x0040
|
|
#define XEON_SBAR23BASE_OFFSET 0x0048
|
|
#define XEON_SBAR45BASE_OFFSET 0x0050
|
|
#define XEON_SBAR4BASE_OFFSET 0x0050
|
|
#define XEON_SBAR5BASE_OFFSET 0x0054
|
|
#define XEON_SBDF_OFFSET 0x005c
|
|
#define XEON_NTBCNTL_OFFSET 0x0058
|
|
#define XEON_PDOORBELL_OFFSET 0x0060
|
|
#define XEON_PDBMSK_OFFSET 0x0062
|
|
#define XEON_SDOORBELL_OFFSET 0x0064
|
|
#define XEON_SDBMSK_OFFSET 0x0066
|
|
#define XEON_USMEMMISS_OFFSET 0x0070
|
|
#define XEON_SPAD_OFFSET 0x0080
|
|
#define XEON_PBAR23SZ_OFFSET 0x00d0
|
|
#define XEON_PBAR45SZ_OFFSET 0x00d1
|
|
#define XEON_PBAR4SZ_OFFSET 0x00d1
|
|
#define XEON_SBAR23SZ_OFFSET 0x00d2
|
|
#define XEON_SBAR45SZ_OFFSET 0x00d3
|
|
#define XEON_SBAR4SZ_OFFSET 0x00d3
|
|
#define XEON_PPD_OFFSET 0x00d4
|
|
#define XEON_PBAR5SZ_OFFSET 0x00d5
|
|
#define XEON_SBAR5SZ_OFFSET 0x00d6
|
|
#define XEON_WCCNTRL_OFFSET 0x00e0
|
|
#define XEON_UNCERRSTS_OFFSET 0x014c
|
|
#define XEON_CORERRSTS_OFFSET 0x0158
|
|
#define XEON_LINK_STATUS_OFFSET 0x01a2
|
|
#define XEON_SPCICMD_OFFSET 0x0504
|
|
#define XEON_DEVCTRL_OFFSET 0x0598
|
|
#define XEON_DEVSTS_OFFSET 0x059a
|
|
#define XEON_SLINK_STATUS_OFFSET 0x05a2
|
|
#define XEON_B2B_SPAD_OFFSET 0x0100
|
|
#define XEON_B2B_DOORBELL_OFFSET 0x0140
|
|
#define XEON_B2B_XLAT_OFFSETL 0x0144
|
|
#define XEON_B2B_XLAT_OFFSETU 0x0148
|
|
#define XEON_PPD_CONN_MASK 0x03
|
|
#define XEON_PPD_CONN_TRANSPARENT 0x00
|
|
#define XEON_PPD_CONN_B2B 0x01
|
|
#define XEON_PPD_CONN_RP 0x02
|
|
#define XEON_PPD_DEV_MASK 0x10
|
|
#define XEON_PPD_DEV_USD 0x00
|
|
#define XEON_PPD_DEV_DSD 0x10
|
|
#define XEON_PPD_SPLIT_BAR_MASK 0x40
|
|
|
|
#define XEON_PPD_TOPO_MASK (XEON_PPD_CONN_MASK | XEON_PPD_DEV_MASK)
|
|
#define XEON_PPD_TOPO_PRI_USD (XEON_PPD_CONN_RP | XEON_PPD_DEV_USD)
|
|
#define XEON_PPD_TOPO_PRI_DSD (XEON_PPD_CONN_RP | XEON_PPD_DEV_DSD)
|
|
#define XEON_PPD_TOPO_SEC_USD (XEON_PPD_CONN_TRANSPARENT | XEON_PPD_DEV_USD)
|
|
#define XEON_PPD_TOPO_SEC_DSD (XEON_PPD_CONN_TRANSPARENT | XEON_PPD_DEV_DSD)
|
|
#define XEON_PPD_TOPO_B2B_USD (XEON_PPD_CONN_B2B | XEON_PPD_DEV_USD)
|
|
#define XEON_PPD_TOPO_B2B_DSD (XEON_PPD_CONN_B2B | XEON_PPD_DEV_DSD)
|
|
|
|
#define XEON_MW_COUNT 2
|
|
#define HSX_SPLIT_BAR_MW_COUNT 3
|
|
#define XEON_DB_COUNT 15
|
|
#define XEON_DB_LINK 15
|
|
#define XEON_DB_LINK_BIT BIT_ULL(XEON_DB_LINK)
|
|
#define XEON_DB_MSIX_VECTOR_COUNT 4
|
|
#define XEON_DB_MSIX_VECTOR_SHIFT 5
|
|
#define XEON_DB_TOTAL_SHIFT 16
|
|
#define XEON_SPAD_COUNT 16
|
|
|
|
/* Use the following addresses for translation between b2b ntb devices in case
|
|
* the hardware default values are not reliable. */
|
|
#define XEON_B2B_BAR0_ADDR 0x1000000000000000ull
|
|
#define XEON_B2B_BAR2_ADDR64 0x2000000000000000ull
|
|
#define XEON_B2B_BAR4_ADDR64 0x4000000000000000ull
|
|
#define XEON_B2B_BAR4_ADDR32 0x20000000u
|
|
#define XEON_B2B_BAR5_ADDR32 0x40000000u
|
|
|
|
/* The peer ntb secondary config space is 32KB fixed size */
|
|
#define XEON_B2B_MIN_SIZE 0x8000
|
|
|
|
/* flags to indicate hardware errata */
|
|
#define NTB_HWERR_SDOORBELL_LOCKUP BIT_ULL(0)
|
|
#define NTB_HWERR_SB01BASE_LOCKUP BIT_ULL(1)
|
|
#define NTB_HWERR_B2BDOORBELL_BIT14 BIT_ULL(2)
|
|
#define NTB_HWERR_MSIX_VECTOR32_BAD BIT_ULL(3)
|
|
|
|
extern struct intel_b2b_addr xeon_b2b_usd_addr;
|
|
extern struct intel_b2b_addr xeon_b2b_dsd_addr;
|
|
|
|
int ndev_init_isr(struct intel_ntb_dev *ndev, int msix_min, int msix_max,
|
|
int msix_shift, int total_shift);
|
|
enum ntb_topo xeon_ppd_topo(struct intel_ntb_dev *ndev, u8 ppd);
|
|
u64 ndev_db_read(struct intel_ntb_dev *ndev, void __iomem *mmio);
|
|
int ndev_db_write(struct intel_ntb_dev *ndev, u64 db_bits,
|
|
void __iomem *mmio);
|
|
int ndev_mw_to_bar(struct intel_ntb_dev *ndev, int idx);
|
|
int intel_ntb_mw_count(struct ntb_dev *ntb, int pidx);
|
|
int intel_ntb_mw_get_align(struct ntb_dev *ntb, int pidx, int idx,
|
|
resource_size_t *addr_align, resource_size_t *size_align,
|
|
resource_size_t *size_max);
|
|
int intel_ntb_peer_mw_count(struct ntb_dev *ntb);
|
|
int intel_ntb_peer_mw_get_addr(struct ntb_dev *ntb, int idx,
|
|
phys_addr_t *base, resource_size_t *size);
|
|
u64 intel_ntb_link_is_up(struct ntb_dev *ntb, enum ntb_speed *speed,
|
|
enum ntb_width *width);
|
|
int intel_ntb_link_disable(struct ntb_dev *ntb);
|
|
u64 intel_ntb_db_valid_mask(struct ntb_dev *ntb);
|
|
int intel_ntb_db_vector_count(struct ntb_dev *ntb);
|
|
u64 intel_ntb_db_vector_mask(struct ntb_dev *ntb, int db_vector);
|
|
int intel_ntb_db_set_mask(struct ntb_dev *ntb, u64 db_bits);
|
|
int intel_ntb_db_clear_mask(struct ntb_dev *ntb, u64 db_bits);
|
|
int intel_ntb_peer_db_addr(struct ntb_dev *ntb, phys_addr_t *db_addr,
|
|
resource_size_t *db_size);
|
|
int intel_ntb_spad_is_unsafe(struct ntb_dev *ntb);
|
|
int intel_ntb_spad_count(struct ntb_dev *ntb);
|
|
u32 intel_ntb_spad_read(struct ntb_dev *ntb, int idx);
|
|
int intel_ntb_spad_write(struct ntb_dev *ntb, int idx, u32 val);
|
|
u32 intel_ntb_peer_spad_read(struct ntb_dev *ntb, int pidx, int sidx);
|
|
int intel_ntb_peer_spad_write(struct ntb_dev *ntb, int pidx, int sidx,
|
|
u32 val);
|
|
int intel_ntb_peer_spad_addr(struct ntb_dev *ntb, int pidx, int sidx,
|
|
phys_addr_t *spad_addr);
|
|
int xeon_link_is_up(struct intel_ntb_dev *ndev);
|
|
|
|
#endif
|