/*- * Copyright (c) 2016 Alexander Motin * Copyright (C) 2013 Intel Corporation * Copyright (C) 2015 EMC 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: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. 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. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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_REGS_H_ #define _NTB_REGS_H_ #include #include /*--------------------------------------------------------------------------- * Macro: M*_M : Create a mask to isolate a bit field of a data word. * M*_F : Extract value from a bit field of a data word. * M*_I : Insert value into a bit field of a data word. * * Purpose: Bit field manipulation macros for mask, insert and extract for * 8-bit, 16-bit, 32-bit and 64-bit data words. * * Params: [in] P = Bit position of start of the bit field (lsb is 0). * [in] N = Size of the bit field in bits. * [in] X = Value to insert or remove from the bit field. *--------------------------------------------------------------------------- */ #define M8_M(P, N) ((UINT8_MAX >> (8 - (N))) << (P)) #define M8_F(X, P, N) (((uint8_t)(X) & M8_M(P, N)) >> (P)) #define M8_I(X, P, N) (((uint8_t)(X) << (P)) & M8_M(P, N)) #define NTB_LINK_STATUS_ACTIVE 0x2000 #define NTB_LINK_SPEED_MASK 0x000f #define NTB_LINK_WIDTH_MASK 0x03f0 #define NTB_LNK_STA_WIDTH(sta) (((sta) & NTB_LINK_WIDTH_MASK) >> 4) #define XEON_SNB_MW_COUNT 2 #define XEON_HSX_SPLIT_MW_COUNT 3 /* Reserve the uppermost bit for link interrupt */ #define XEON_DB_COUNT 15 #define XEON_DB_TOTAL_SHIFT 16 #define XEON_DB_LINK 15 #define XEON_DB_MSIX_VECTOR_COUNT 4 #define XEON_DB_MSIX_VECTOR_SHIFT 5 #define XEON_DB_LINK_BIT (1 << XEON_DB_LINK) #define XEON_NONLINK_DB_MSIX_BITS 3 #define XEON_SPCICMD_OFFSET 0x0504 #define XEON_DEVCTRL_OFFSET 0x0598 #define XEON_DEVSTS_OFFSET 0x059a #define XEON_LINK_STATUS_OFFSET 0x01a2 #define XEON_SLINK_STATUS_OFFSET 0x05a2 #define XEON_PBAR2LMT_OFFSET 0x0000 #define XEON_PBAR4LMT_OFFSET 0x0008 #define XEON_PBAR5LMT_OFFSET 0x000c #define XEON_PBAR2XLAT_OFFSET 0x0010 #define XEON_PBAR4XLAT_OFFSET 0x0018 #define XEON_PBAR5XLAT_OFFSET 0x001c #define XEON_SBAR2LMT_OFFSET 0x0020 #define XEON_SBAR4LMT_OFFSET 0x0028 #define XEON_SBAR5LMT_OFFSET 0x002c #define XEON_SBAR2XLAT_OFFSET 0x0030 #define XEON_SBAR4XLAT_OFFSET 0x0038 #define XEON_SBAR5XLAT_OFFSET 0x003c #define XEON_SBAR0BASE_OFFSET 0x0040 #define XEON_SBAR2BASE_OFFSET 0x0048 #define XEON_SBAR4BASE_OFFSET 0x0050 #define XEON_SBAR5BASE_OFFSET 0x0054 #define XEON_NTBCNTL_OFFSET 0x0058 #define XEON_SBDF_OFFSET 0x005c #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_SPAD_COUNT 16 #define XEON_SPADSEMA4_OFFSET 0x00c0 #define XEON_WCCNTRL_OFFSET 0x00e0 #define XEON_UNCERRSTS_OFFSET 0x014c #define XEON_CORERRSTS_OFFSET 0x0158 #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 ATOM_MW_COUNT 2 #define ATOM_DB_COUNT 34 #define ATOM_DB_MSIX_VECTOR_COUNT 34 #define ATOM_DB_MSIX_VECTOR_SHIFT 1 #define ATOM_SPCICMD_OFFSET 0xb004 #define ATOM_MBAR23_OFFSET 0xb018 #define ATOM_MBAR45_OFFSET 0xb020 #define ATOM_DEVCTRL_OFFSET 0xb048 #define ATOM_LINK_STATUS_OFFSET 0xb052 #define ATOM_ERRCORSTS_OFFSET 0xb110 #define ATOM_SBAR2XLAT_OFFSET 0x0008 #define ATOM_SBAR4XLAT_OFFSET 0x0010 #define ATOM_PDOORBELL_OFFSET 0x0020 #define ATOM_PDBMSK_OFFSET 0x0028 #define ATOM_NTBCNTL_OFFSET 0x0060 #define ATOM_EBDF_OFFSET 0x0064 #define ATOM_SPAD_OFFSET 0x0080 #define ATOM_SPAD_COUNT 16 #define ATOM_SPADSEMA_OFFSET 0x00c0 #define ATOM_STKYSPAD_OFFSET 0x00c4 #define ATOM_PBAR2XLAT_OFFSET 0x8008 #define ATOM_PBAR4XLAT_OFFSET 0x8010 #define ATOM_B2B_DOORBELL_OFFSET 0x8020 #define ATOM_B2B_SPAD_OFFSET 0x8080 #define ATOM_B2B_SPADSEMA_OFFSET 0x80c0 #define ATOM_B2B_STKYSPAD_OFFSET 0x80c4 #define ATOM_MODPHY_PCSREG4 0x1c004 #define ATOM_MODPHY_PCSREG6 0x1c006 #define ATOM_IP_BASE 0xc000 #define ATOM_DESKEWSTS_OFFSET (ATOM_IP_BASE + 0x3024) #define ATOM_LTSSMERRSTS0_OFFSET (ATOM_IP_BASE + 0x3180) #define ATOM_LTSSMSTATEJMP_OFFSET (ATOM_IP_BASE + 0x3040) #define ATOM_IBSTERRRCRVSTS0_OFFSET (ATOM_IP_BASE + 0x3324) #define ATOM_DESKEWSTS_DBERR (1 << 15) #define ATOM_LTSSMERRSTS0_UNEXPECTEDEI (1 << 20) #define ATOM_LTSSMSTATEJMP_FORCEDETECT (1 << 2) #define ATOM_IBIST_ERR_OFLOW 0x7fff7fff #define NTB_CNTL_CFG_LOCK (1 << 0) #define NTB_CNTL_LINK_DISABLE (1 << 1) #define NTB_CNTL_S2P_BAR23_SNOOP (1 << 2) #define NTB_CNTL_P2S_BAR23_SNOOP (1 << 4) #define NTB_CNTL_S2P_BAR4_SNOOP (1 << 6) #define NTB_CNTL_P2S_BAR4_SNOOP (1 << 8) #define NTB_CNTL_S2P_BAR5_SNOOP (1 << 12) #define NTB_CNTL_P2S_BAR5_SNOOP (1 << 14) #define ATOM_CNTL_LINK_DOWN (1 << 16) #define XEON_PBAR23SZ_OFFSET 0x00d0 #define XEON_PBAR45SZ_OFFSET 0x00d1 #define XEON_PBAR4SZ_OFFSET 0x00d1 #define XEON_PBAR5SZ_OFFSET 0x00d5 #define XEON_SBAR23SZ_OFFSET 0x00d2 #define XEON_SBAR4SZ_OFFSET 0x00d3 #define XEON_SBAR5SZ_OFFSET 0x00d6 #define NTB_PPD_OFFSET 0x00d4 #define XEON_PPD_CONN_TYPE 0x0003 #define XEON_PPD_DEV_TYPE 0x0010 #define XEON_PPD_SPLIT_BAR 0x0040 #define ATOM_PPD_INIT_LINK 0x0008 #define ATOM_PPD_CONN_TYPE 0x0300 #define ATOM_PPD_DEV_TYPE 0x1000 /* All addresses are in low 32-bit space so 32-bit BARs can function */ #define XEON_B2B_BAR0_ADDR 0x1000000000000000ull #define XEON_B2B_BAR2_ADDR64 0x2000000000000000ull #define XEON_B2B_BAR4_ADDR64 0x4000000000000000ull #define XEON_B2B_BAR4_ADDR32 0x20000000ull #define XEON_B2B_BAR5_ADDR32 0x40000000ull /* The peer ntb secondary config space is 32KB fixed size */ #define XEON_B2B_MIN_SIZE 0x8000 #define XEON_GEN3_MW_COUNT 2 #define XEON_GEN3_SPLIT_MW_COUNT 3 #define XEON_GEN3_SPAD_COUNT 16 #define XEON_GEN3_DB_COUNT 32 #define XEON_GEN3_DB_LINK 32 #define XEON_GEN3_DB_LINK_BIT (1ULL << XEON_GEN3_DB_LINK) #define XEON_GEN3_DB_MSIX_VECTOR_COUNT 33 #define XEON_GEN3_DB_MSIX_VECTOR_SHIFT 1 #define XEON_GEN3_LINK_VECTOR_INDEX 31 /* Xeon Skylake NTB register definitions */ /* * Internal EndPoint Configuration Registers */ #define XEON_GEN3_INT_REG_BAR0BASE 0x10 #define XEON_GEN3_INT_REG_BAR1BASE 0x18 #define XEON_GEN3_INT_REG_BAR2BASE 0x20 #define XEON_GEN3_INT_REG_IMBAR1SZ 0xd0 #define XEON_GEN3_INT_REG_IMBAR2SZ 0xd1 #define XEON_GEN3_INT_REG_EMBAR1SZ 0xd2 #define XEON_GEN3_INT_REG_EMBAR2SZ 0xd3 #define XEON_GEN3_INT_REG_PPD 0xd4 #define XEON_GEN3_INT_LNK_STS_OFFSET 0x01a2 /* * External EndPoint Configuration Registers * These are located within BAR0 of the internal endpoint. */ #define XEON_GEN3_EXT_REG_PCI_CMD 0x4504 #define XEON_GEN3_EXT_REG_BAR0BASE 0x4510 #define XEON_GEN3_EXT_REG_BAR1BASE 0x4518 #define XEON_GEN3_EXT_REG_BAR2BASE 0x4520 /* * Internal Endpoint Memory Mapped Registers */ #define XEON_GEN3_REG_IMNTB_CTRL 0x0000 #define XEON_GEN3_REG_IMBAR1XBASE 0x0010 #define XEON_GEN3_REG_IMBAR1XLIMIT 0x0018 #define XEON_GEN3_REG_IMBAR2XBASE 0x0020 #define XEON_GEN3_REG_IMBAR2XLIMIT 0x0028 #define XEON_GEN3_REG_IMINT_STATUS 0x0040 #define XEON_GEN3_REG_IMINT_DISABLE 0x0048 #define XEON_GEN3_REG_IMSPAD 0x0080 #define XEON_GEN3_REG_IMINTVEC00 0x00d0 #define XEON_GEN3_REG_IMDOORBELL 0x0100 #define XEON_GEN3_REG_IMB2B_SSPAD 0x0180 /* Pseudo SP registers */ /* * External Endpoint Memory Mapped Registers */ #define XEON_GEN3_REG_EMBAR0XBASE 0x4008 #define XEON_GEN3_REG_EMBAR1XBASE 0x4010 #define XEON_GEN3_REG_EMBAR1XLIMIT 0x4018 #define XEON_GEN3_REG_EMBAR2XBASE 0x4020 #define XEON_GEN3_REG_EMBAR2XLIMIT 0x4028 #define XEON_GEN3_REG_EMINT_STATUS 0x4040 #define XEON_GEN3_REG_EMINT_DISABLE 0x4048 #define XEON_GEN3_REG_EMSPAD 0x4080 #define XEON_GEN3_REG_EMDOORBELL 0x4100 /* XEON_GEN3_INT_REG_PPD: PPD register */ #define XEON_GEN3_REG_PPD_PORT_DEF_F(X) M8_F(X, 0, 2) #define XEON_GEN3_REG_PPD_CONF_STS_F(X) M8_F(X, 4, 1) #define XEON_GEN3_REG_PPD_ONE_MSIX_F(X) M8_F(X, 5, 1) #define XEON_GEN3_REG_PPD_BAR45_SPL_F(X) M8_F(X, 6, 1) /* Xeon ICX/SPR NTB register definitions */ /* CFG Space */ #define XEON_GEN4_CFG_REG_BAR0BASE 0x0010 #define XEON_GEN4_CFG_REG_BAR1BASE 0x0018 #define XEON_GEN4_CFG_REG_BAR2BASE 0x0020 #define XEON_GEN4_CFG_REG_IMBAR1SZ 0x00c4 #define XEON_GEN4_CFG_REG_IMBAR2SZ 0x00c5 #define XEON_GEN4_CFG_REG_EMBAR1SZ 0x00c6 #define XEON_GEN4_CFG_REG_EMBAR2SZ 0x00c7 #define XEON_GEN4_CFG_REG_DEVCTRL 0x0048 #define XEON_GEN4_CFG_REG_DEVSTS 0x004a #define XEON_GEN4_CFG_REG_UNCERRSTS 0x0104 #define XEON_GEN4_CFG_REG_CORERRSTS 0x0110 /* BAR0 MMIO */ #define XEON_GEN4_REG_IMNTB_CTL 0x0000 #define XEON_GEN4_REG_IMBAR1XBASE 0x0010 #define XEON_GEN4_REG_IMBAR1XLIMIT 0x0018 #define XEON_GEN4_REG_IMBAR2XBASE 0x0020 #define XEON_GEN4_REG_IMBAR2XLIMIT 0x0028 #define XEON_GEN4_REG_IMINT_STATUS 0x0040 #define XEON_GEN4_REG_IMINT_DISABLE 0x0048 #define XEON_GEN4_REG_INTVEC 0x0050 /* 0-32 vecs */ #define XEON_GEN4_REG_IMSPAD 0x0080 /* 0-15 SPADs */ #define XEON_GEN4_REG_IMDOORBELL 0x0100 /* 0-31 doorbells */ /* * External EndPoint Configuration Registers * These are located within BAR0 of the internal endpoint. */ #define XEON_GEN4_REG_EXT_BAR1BASE 0x3018 #define XEON_GEN4_REG_EXT_BAR2BASE 0x3020 #define XEON_GEN4_REG_EXT_LTR_SWSEL 0x30ec #define XEON_GEN4_REG_EXT_LTR_ACTIVE 0x30f0 #define XEON_GEN4_REG_EXT_LTR_IDLE 0x30f4 #define XEON_GEN4_REG_EMSPAD 0x8080 /* 32K + SPAD_offset */ /* note, link status is now in MMIO and not config space for NTB */ #define XEON_GEN4_REG_LINK_CTRL 0xb050 #define XEON_GEN4_REG_LINK_STATUS 0xb052 #define XEON_GEN4_REG_SLOTSTS 0xb05a #define XEON_GEN4_REG_PPD0 0xb0d4 #define XEON_GEN4_REG_PPD1 0xb4c0 #define XEON_GEN4_REG_LTSSMSTATEJMP 0xf040 /* Supported PCI device revision range for ICX */ #define PCI_DEV_REV_ICX_MIN 0x2 #define PCI_DEV_REV_ICX_MAX 0xF #define XEON_GEN4_DB_COUNT 32 #define XEON_GEN4_DB_LINK 32 #define XEON_GEN4_DB_LINK_BIT (1ULL << XEON_GEN4_DB_LINK) #define XEON_GEN4_DB_MSIX_VECTOR_COUNT 33 #define XEON_GEN4_DB_MSIX_VECTOR_SHIFT 1 #define XEON_GEN4_DB_TOTAL_SHIFT 33 #define XEON_GEN4_SPAD_COUNT 16 /* NTBCTL field */ #define NTB_CTL_E2I_BAR23_SNOOP 0x000004 #define NTB_CTL_E2I_BAR23_NOSNOOP 0x000008 #define NTB_CTL_I2E_BAR23_SNOOP 0x000010 #define NTB_CTL_I2E_BAR23_NOSNOOP 0x000020 #define NTB_CTL_E2I_BAR45_SNOOP 0x000040 #define NTB_CTL_E2I_BAR45_NOSNOO 0x000080 #define NTB_CTL_I2E_BAR45_SNOOP 0x000100 #define NTB_CTL_I2E_BAR45_NOSNOOP 0x000200 #define NTB_CTL_BUSNO_DIS_INC 0x000400 #define NTB_CTL_LINK_DOWN 0x010000 #define NTB_SJC_FORCEDETECT 0x000004 /* PPD field */ #define GEN4_PPD_CLEAR_TRN 0x0001 #define GEN4_PPD_LINKTRN 0x0008 #define GEN4_PPD_CONN_MASK 0x0300 #define SPR_PPD_CONN_MASK 0x0700 #define GEN4_PPD_CONN_B2B 0x0200 #define GEN4_PPD_DEV_MASK 0x1000 #define GEN4_PPD_DEV_DSD 0x1000 #define GEN4_PPD_DEV_USD 0x0000 #define SPR_PPD_DEV_MASK 0x4000 #define SPR_PPD_DEV_DSD 0x4000 #define SPR_PPD_DEV_USD 0x0000 #define GEN4_LINK_CTRL_LINK_DISABLE 0x0010 #define GEN4_SLOTSTS_DLLSCS 0x100 #define GEN4_PPD_TOPO_MASK \ (GEN4_PPD_CONN_MASK | GEN4_PPD_DEV_MASK) #define GEN4_PPD_TOPO_B2B_USD \ (GEN4_PPD_CONN_B2B | GEN4_PPD_DEV_USD) #define GEN4_PPD_TOPO_B2B_DSD \ (GEN4_PPD_CONN_B2B | GEN4_PPD_DEV_DSD) #define SPR_PPD_TOPO_MASK \ (SPR_PPD_CONN_MASK | SPR_PPD_DEV_MASK) #define SPR_PPD_TOPO_B2B_USD \ (GEN4_PPD_CONN_B2B | SPR_PPD_DEV_USD) #define SPR_PPD_TOPO_B2B_DSD \ (GEN4_PPD_CONN_B2B | SPR_PPD_DEV_DSD) /* LTR field */ #define NTB_LTR_SWSEL_ACTIVE 0x0 #define NTB_LTR_SWSEL_IDLE 0x1 #define NTB_LTR_NS_SHIFT 16 #define NTB_LTR_ACTIVE_VAL 0x0000 /* 0 us */ #define NTB_LTR_ACTIVE_LATSCALE 0x0800 /* 1us scale */ #define NTB_LTR_ACTIVE_REQMNT 0x8000 /* snoop req enable */ #define NTB_LTR_IDLE_VAL 0x0258 /* 600 us */ #define NTB_LTR_IDLE_LATSCALE 0x0800 /* 1us scale */ #define NTB_LTR_IDLE_REQMNT 0x8000 /* snoop req enable */ #endif /* _NTB_REGS_H_ */