| /* |
| * 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) |
| #define NTB_HWERR_BAR_ALIGN BIT_ULL(4) |
| #define NTB_HWERR_LTR_BAD BIT_ULL(5) |
| |
| 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); |
| void ndev_db_addr(struct intel_ntb_dev *ndev, |
| phys_addr_t *db_addr, resource_size_t *db_size, |
| phys_addr_t reg_addr, unsigned long reg); |
| 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_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 |
