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Diffstat (limited to 'drivers/infiniband/hw/hfi1/chip.h')
| -rw-r--r-- | drivers/infiniband/hw/hfi1/chip.h | 1477 |
1 files changed, 1477 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/hfi1/chip.h b/drivers/infiniband/hw/hfi1/chip.h new file mode 100644 index 000000000..2c6f2de74 --- /dev/null +++ b/drivers/infiniband/hw/hfi1/chip.h @@ -0,0 +1,1477 @@ +#ifndef _CHIP_H +#define _CHIP_H +/* + * Copyright(c) 2015 - 2020 Intel Corporation. + * + * 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 + * + * 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. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * BSD LICENSE + * + * 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 copyright + * 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. + * + */ + +/* + * This file contains all of the defines that is specific to the HFI chip + */ + +/* sizes */ +#define BITS_PER_REGISTER (BITS_PER_BYTE * sizeof(u64)) +#define NUM_INTERRUPT_SOURCES 768 +#define RXE_NUM_CONTEXTS 160 +#define RXE_PER_CONTEXT_SIZE 0x1000 /* 4k */ +#define RXE_NUM_TID_FLOWS 32 +#define RXE_NUM_DATA_VL 8 +#define TXE_NUM_CONTEXTS 160 +#define TXE_NUM_SDMA_ENGINES 16 +#define NUM_CONTEXTS_PER_SET 8 +#define VL_ARB_HIGH_PRIO_TABLE_SIZE 16 +#define VL_ARB_LOW_PRIO_TABLE_SIZE 16 +#define VL_ARB_TABLE_SIZE 16 +#define TXE_NUM_32_BIT_COUNTER 7 +#define TXE_NUM_64_BIT_COUNTER 30 +#define TXE_NUM_DATA_VL 8 +#define TXE_PIO_SIZE (32 * 0x100000) /* 32 MB */ +#define PIO_BLOCK_SIZE 64 /* bytes */ +#define SDMA_BLOCK_SIZE 64 /* bytes */ +#define RCV_BUF_BLOCK_SIZE 64 /* bytes */ +#define PIO_CMASK 0x7ff /* counter mask for free and fill counters */ +#define MAX_EAGER_ENTRIES 2048 /* max receive eager entries */ +#define MAX_TID_PAIR_ENTRIES 1024 /* max receive expected pairs */ +/* + * Virtual? Allocation Unit, defined as AU = 8*2^vAU, 64 bytes, AU is fixed + * at 64 bytes for all generation one devices + */ +#define CM_VAU 3 +/* HFI link credit count, AKA receive buffer depth (RBUF_DEPTH) */ +#define CM_GLOBAL_CREDITS 0x880 +/* Number of PKey entries in the HW */ +#define MAX_PKEY_VALUES 16 + +#include "chip_registers.h" + +#define RXE_PER_CONTEXT_USER (RXE + RXE_PER_CONTEXT_OFFSET) +#define TXE_PIO_SEND (TXE + TXE_PIO_SEND_OFFSET) + +/* PBC flags */ +#define PBC_INTR BIT_ULL(31) +#define PBC_DC_INFO_SHIFT (30) +#define PBC_DC_INFO BIT_ULL(PBC_DC_INFO_SHIFT) +#define PBC_TEST_EBP BIT_ULL(29) +#define PBC_PACKET_BYPASS BIT_ULL(28) +#define PBC_CREDIT_RETURN BIT_ULL(25) +#define PBC_INSERT_BYPASS_ICRC BIT_ULL(24) +#define PBC_TEST_BAD_ICRC BIT_ULL(23) +#define PBC_FECN BIT_ULL(22) + +/* PbcInsertHcrc field settings */ +#define PBC_IHCRC_LKDETH 0x0 /* insert @ local KDETH offset */ +#define PBC_IHCRC_GKDETH 0x1 /* insert @ global KDETH offset */ +#define PBC_IHCRC_NONE 0x2 /* no HCRC inserted */ + +/* PBC fields */ +#define PBC_STATIC_RATE_CONTROL_COUNT_SHIFT 32 +#define PBC_STATIC_RATE_CONTROL_COUNT_MASK 0xffffull +#define PBC_STATIC_RATE_CONTROL_COUNT_SMASK \ + (PBC_STATIC_RATE_CONTROL_COUNT_MASK << \ + PBC_STATIC_RATE_CONTROL_COUNT_SHIFT) + +#define PBC_INSERT_HCRC_SHIFT 26 +#define PBC_INSERT_HCRC_MASK 0x3ull +#define PBC_INSERT_HCRC_SMASK \ + (PBC_INSERT_HCRC_MASK << PBC_INSERT_HCRC_SHIFT) + +#define PBC_VL_SHIFT 12 +#define PBC_VL_MASK 0xfull +#define PBC_VL_SMASK (PBC_VL_MASK << PBC_VL_SHIFT) + +#define PBC_LENGTH_DWS_SHIFT 0 +#define PBC_LENGTH_DWS_MASK 0xfffull +#define PBC_LENGTH_DWS_SMASK \ + (PBC_LENGTH_DWS_MASK << PBC_LENGTH_DWS_SHIFT) + +/* Credit Return Fields */ +#define CR_COUNTER_SHIFT 0 +#define CR_COUNTER_MASK 0x7ffull +#define CR_COUNTER_SMASK (CR_COUNTER_MASK << CR_COUNTER_SHIFT) + +#define CR_STATUS_SHIFT 11 +#define CR_STATUS_MASK 0x1ull +#define CR_STATUS_SMASK (CR_STATUS_MASK << CR_STATUS_SHIFT) + +#define CR_CREDIT_RETURN_DUE_TO_PBC_SHIFT 12 +#define CR_CREDIT_RETURN_DUE_TO_PBC_MASK 0x1ull +#define CR_CREDIT_RETURN_DUE_TO_PBC_SMASK \ + (CR_CREDIT_RETURN_DUE_TO_PBC_MASK << \ + CR_CREDIT_RETURN_DUE_TO_PBC_SHIFT) + +#define CR_CREDIT_RETURN_DUE_TO_THRESHOLD_SHIFT 13 +#define CR_CREDIT_RETURN_DUE_TO_THRESHOLD_MASK 0x1ull +#define CR_CREDIT_RETURN_DUE_TO_THRESHOLD_SMASK \ + (CR_CREDIT_RETURN_DUE_TO_THRESHOLD_MASK << \ + CR_CREDIT_RETURN_DUE_TO_THRESHOLD_SHIFT) + +#define CR_CREDIT_RETURN_DUE_TO_ERR_SHIFT 14 +#define CR_CREDIT_RETURN_DUE_TO_ERR_MASK 0x1ull +#define CR_CREDIT_RETURN_DUE_TO_ERR_SMASK \ + (CR_CREDIT_RETURN_DUE_TO_ERR_MASK << \ + CR_CREDIT_RETURN_DUE_TO_ERR_SHIFT) + +#define CR_CREDIT_RETURN_DUE_TO_FORCE_SHIFT 15 +#define CR_CREDIT_RETURN_DUE_TO_FORCE_MASK 0x1ull +#define CR_CREDIT_RETURN_DUE_TO_FORCE_SMASK \ + (CR_CREDIT_RETURN_DUE_TO_FORCE_MASK << \ + CR_CREDIT_RETURN_DUE_TO_FORCE_SHIFT) + +/* Specific IRQ sources */ +#define CCE_ERR_INT 0 +#define RXE_ERR_INT 1 +#define MISC_ERR_INT 2 +#define PIO_ERR_INT 4 +#define SDMA_ERR_INT 5 +#define EGRESS_ERR_INT 6 +#define TXE_ERR_INT 7 +#define PBC_INT 240 +#define GPIO_ASSERT_INT 241 +#define QSFP1_INT 242 +#define QSFP2_INT 243 +#define TCRIT_INT 244 + +/* interrupt source ranges */ +#define IS_FIRST_SOURCE CCE_ERR_INT +#define IS_GENERAL_ERR_START 0 +#define IS_SDMAENG_ERR_START 16 +#define IS_SENDCTXT_ERR_START 32 +#define IS_SDMA_START 192 +#define IS_SDMA_PROGRESS_START 208 +#define IS_SDMA_IDLE_START 224 +#define IS_VARIOUS_START 240 +#define IS_DC_START 248 +#define IS_RCVAVAIL_START 256 +#define IS_RCVURGENT_START 416 +#define IS_SENDCREDIT_START 576 +#define IS_RESERVED_START 736 +#define IS_LAST_SOURCE 767 + +/* derived interrupt source values */ +#define IS_GENERAL_ERR_END 7 +#define IS_SDMAENG_ERR_END 31 +#define IS_SENDCTXT_ERR_END 191 +#define IS_SDMA_END 207 +#define IS_SDMA_PROGRESS_END 223 +#define IS_SDMA_IDLE_END 239 +#define IS_VARIOUS_END 244 +#define IS_DC_END 255 +#define IS_RCVAVAIL_END 415 +#define IS_RCVURGENT_END 575 +#define IS_SENDCREDIT_END 735 +#define IS_RESERVED_END IS_LAST_SOURCE + +/* DCC_CFG_PORT_CONFIG logical link states */ +#define LSTATE_DOWN 0x1 +#define LSTATE_INIT 0x2 +#define LSTATE_ARMED 0x3 +#define LSTATE_ACTIVE 0x4 + +/* DCC_CFG_RESET reset states */ +#define LCB_RX_FPE_TX_FPE_INTO_RESET (DCC_CFG_RESET_RESET_LCB | \ + DCC_CFG_RESET_RESET_TX_FPE | \ + DCC_CFG_RESET_RESET_RX_FPE | \ + DCC_CFG_RESET_ENABLE_CCLK_BCC) + /* 0x17 */ + +#define LCB_RX_FPE_TX_FPE_OUT_OF_RESET DCC_CFG_RESET_ENABLE_CCLK_BCC /* 0x10 */ + +/* DC8051_STS_CUR_STATE port values (physical link states) */ +#define PLS_DISABLED 0x30 +#define PLS_OFFLINE 0x90 +#define PLS_OFFLINE_QUIET 0x90 +#define PLS_OFFLINE_PLANNED_DOWN_INFORM 0x91 +#define PLS_OFFLINE_READY_TO_QUIET_LT 0x92 +#define PLS_OFFLINE_REPORT_FAILURE 0x93 +#define PLS_OFFLINE_READY_TO_QUIET_BCC 0x94 +#define PLS_OFFLINE_QUIET_DURATION 0x95 +#define PLS_POLLING 0x20 +#define PLS_POLLING_QUIET 0x20 +#define PLS_POLLING_ACTIVE 0x21 +#define PLS_CONFIGPHY 0x40 +#define PLS_CONFIGPHY_DEBOUCE 0x40 +#define PLS_CONFIGPHY_ESTCOMM 0x41 +#define PLS_CONFIGPHY_ESTCOMM_TXRX_HUNT 0x42 +#define PLS_CONFIGPHY_ESTCOMM_LOCAL_COMPLETE 0x43 +#define PLS_CONFIGPHY_OPTEQ 0x44 +#define PLS_CONFIGPHY_OPTEQ_OPTIMIZING 0x44 +#define PLS_CONFIGPHY_OPTEQ_LOCAL_COMPLETE 0x45 +#define PLS_CONFIGPHY_VERIFYCAP 0x46 +#define PLS_CONFIGPHY_VERIFYCAP_EXCHANGE 0x46 +#define PLS_CONFIGPHY_VERIFYCAP_LOCAL_COMPLETE 0x47 +#define PLS_CONFIGLT 0x48 +#define PLS_CONFIGLT_CONFIGURE 0x48 +#define PLS_CONFIGLT_LINK_TRANSFER_ACTIVE 0x49 +#define PLS_LINKUP 0x50 +#define PLS_PHYTEST 0xB0 +#define PLS_INTERNAL_SERDES_LOOPBACK 0xe1 +#define PLS_QUICK_LINKUP 0xe2 + +/* DC_DC8051_CFG_HOST_CMD_0.REQ_TYPE - 8051 host commands */ +#define HCMD_LOAD_CONFIG_DATA 0x01 +#define HCMD_READ_CONFIG_DATA 0x02 +#define HCMD_CHANGE_PHY_STATE 0x03 +#define HCMD_SEND_LCB_IDLE_MSG 0x04 +#define HCMD_MISC 0x05 +#define HCMD_READ_LCB_IDLE_MSG 0x06 +#define HCMD_READ_LCB_CSR 0x07 +#define HCMD_WRITE_LCB_CSR 0x08 +#define HCMD_INTERFACE_TEST 0xff + +/* DC_DC8051_CFG_HOST_CMD_1.RETURN_CODE - 8051 host command return */ +#define HCMD_SUCCESS 2 + +/* DC_DC8051_DBG_ERR_INFO_SET_BY_8051.ERROR - error flags */ +#define SPICO_ROM_FAILED BIT(0) +#define UNKNOWN_FRAME BIT(1) +#define TARGET_BER_NOT_MET BIT(2) +#define FAILED_SERDES_INTERNAL_LOOPBACK BIT(3) +#define FAILED_SERDES_INIT BIT(4) +#define FAILED_LNI_POLLING BIT(5) +#define FAILED_LNI_DEBOUNCE BIT(6) +#define FAILED_LNI_ESTBCOMM BIT(7) +#define FAILED_LNI_OPTEQ BIT(8) +#define FAILED_LNI_VERIFY_CAP1 BIT(9) +#define FAILED_LNI_VERIFY_CAP2 BIT(10) +#define FAILED_LNI_CONFIGLT BIT(11) +#define HOST_HANDSHAKE_TIMEOUT BIT(12) +#define EXTERNAL_DEVICE_REQ_TIMEOUT BIT(13) + +#define FAILED_LNI (FAILED_LNI_POLLING | FAILED_LNI_DEBOUNCE \ + | FAILED_LNI_ESTBCOMM | FAILED_LNI_OPTEQ \ + | FAILED_LNI_VERIFY_CAP1 \ + | FAILED_LNI_VERIFY_CAP2 \ + | FAILED_LNI_CONFIGLT | HOST_HANDSHAKE_TIMEOUT \ + | EXTERNAL_DEVICE_REQ_TIMEOUT) + +/* DC_DC8051_DBG_ERR_INFO_SET_BY_8051.HOST_MSG - host message flags */ +#define HOST_REQ_DONE BIT(0) +#define BC_PWR_MGM_MSG BIT(1) +#define BC_SMA_MSG BIT(2) +#define BC_BCC_UNKNOWN_MSG BIT(3) +#define BC_IDLE_UNKNOWN_MSG BIT(4) +#define EXT_DEVICE_CFG_REQ BIT(5) +#define VERIFY_CAP_FRAME BIT(6) +#define LINKUP_ACHIEVED BIT(7) +#define LINK_GOING_DOWN BIT(8) +#define LINK_WIDTH_DOWNGRADED BIT(9) + +/* DC_DC8051_CFG_EXT_DEV_1.REQ_TYPE - 8051 host requests */ +#define HREQ_LOAD_CONFIG 0x01 +#define HREQ_SAVE_CONFIG 0x02 +#define HREQ_READ_CONFIG 0x03 +#define HREQ_SET_TX_EQ_ABS 0x04 +#define HREQ_SET_TX_EQ_REL 0x05 +#define HREQ_ENABLE 0x06 +#define HREQ_LCB_RESET 0x07 +#define HREQ_CONFIG_DONE 0xfe +#define HREQ_INTERFACE_TEST 0xff + +/* DC_DC8051_CFG_EXT_DEV_0.RETURN_CODE - 8051 host request return codes */ +#define HREQ_INVALID 0x01 +#define HREQ_SUCCESS 0x02 +#define HREQ_NOT_SUPPORTED 0x03 +#define HREQ_FEATURE_NOT_SUPPORTED 0x04 /* request specific feature */ +#define HREQ_REQUEST_REJECTED 0xfe +#define HREQ_EXECUTION_ONGOING 0xff + +/* MISC host command functions */ +#define HCMD_MISC_REQUEST_LCB_ACCESS 0x1 +#define HCMD_MISC_GRANT_LCB_ACCESS 0x2 + +/* idle flit message types */ +#define IDLE_PHYSICAL_LINK_MGMT 0x1 +#define IDLE_CRU 0x2 +#define IDLE_SMA 0x3 +#define IDLE_POWER_MGMT 0x4 + +/* idle flit message send fields (both send and read) */ +#define IDLE_PAYLOAD_MASK 0xffffffffffull /* 40 bits */ +#define IDLE_PAYLOAD_SHIFT 8 +#define IDLE_MSG_TYPE_MASK 0xf +#define IDLE_MSG_TYPE_SHIFT 0 + +/* idle flit message read fields */ +#define READ_IDLE_MSG_TYPE_MASK 0xf +#define READ_IDLE_MSG_TYPE_SHIFT 0 + +/* SMA idle flit payload commands */ +#define SMA_IDLE_ARM 1 +#define SMA_IDLE_ACTIVE 2 + +/* DC_DC8051_CFG_MODE.GENERAL bits */ +#define DISABLE_SELF_GUID_CHECK 0x2 + +/* Bad L2 frame error code */ +#define BAD_L2_ERR 0x6 + +/* + * Eager buffer minimum and maximum sizes supported by the hardware. + * All power-of-two sizes in between are supported as well. + * MAX_EAGER_BUFFER_TOTAL is the maximum size of memory + * allocatable for Eager buffer to a single context. All others + * are limits for the RcvArray entries. + */ +#define MIN_EAGER_BUFFER (4 * 1024) +#define MAX_EAGER_BUFFER (256 * 1024) +#define MAX_EAGER_BUFFER_TOTAL (64 * (1 << 20)) /* max per ctxt 64MB */ +#define MAX_EXPECTED_BUFFER (2048 * 1024) +#define HFI1_MIN_HDRQ_EGRBUF_CNT 32 +#define HFI1_MAX_HDRQ_EGRBUF_CNT 16352 + +/* + * Receive expected base and count and eager base and count increment - + * the CSR fields hold multiples of this value. + */ +#define RCV_SHIFT 3 +#define RCV_INCREMENT BIT(RCV_SHIFT) + +/* + * Receive header queue entry increment - the CSR holds multiples of + * this value. + */ +#define HDRQ_SIZE_SHIFT 5 +#define HDRQ_INCREMENT BIT(HDRQ_SIZE_SHIFT) + +/* + * Freeze handling flags + */ +#define FREEZE_ABORT 0x01 /* do not do recovery */ +#define FREEZE_SELF 0x02 /* initiate the freeze */ +#define FREEZE_LINK_DOWN 0x04 /* link is down */ + +/* + * Chip implementation codes. + */ +#define ICODE_RTL_SILICON 0x00 +#define ICODE_RTL_VCS_SIMULATION 0x01 +#define ICODE_FPGA_EMULATION 0x02 +#define ICODE_FUNCTIONAL_SIMULATOR 0x03 + +/* + * 8051 data memory size. + */ +#define DC8051_DATA_MEM_SIZE 0x1000 + +/* + * 8051 firmware registers + */ +#define NUM_GENERAL_FIELDS 0x17 +#define NUM_LANE_FIELDS 0x8 + +/* 8051 general register Field IDs */ +#define LINK_OPTIMIZATION_SETTINGS 0x00 +#define LINK_TUNING_PARAMETERS 0x02 +#define DC_HOST_COMM_SETTINGS 0x03 +#define TX_SETTINGS 0x06 +#define VERIFY_CAP_LOCAL_PHY 0x07 +#define VERIFY_CAP_LOCAL_FABRIC 0x08 +#define VERIFY_CAP_LOCAL_LINK_MODE 0x09 +#define LOCAL_DEVICE_ID 0x0a +#define RESERVED_REGISTERS 0x0b +#define LOCAL_LNI_INFO 0x0c +#define REMOTE_LNI_INFO 0x0d +#define MISC_STATUS 0x0e +#define VERIFY_CAP_REMOTE_PHY 0x0f +#define VERIFY_CAP_REMOTE_FABRIC 0x10 +#define VERIFY_CAP_REMOTE_LINK_WIDTH 0x11 +#define LAST_LOCAL_STATE_COMPLETE 0x12 +#define LAST_REMOTE_STATE_COMPLETE 0x13 +#define LINK_QUALITY_INFO 0x14 +#define REMOTE_DEVICE_ID 0x15 +#define LINK_DOWN_REASON 0x16 /* first byte of offset 0x16 */ +#define VERSION_PATCH 0x16 /* last byte of offset 0x16 */ + +/* 8051 lane specific register field IDs */ +#define TX_EQ_SETTINGS 0x00 +#define CHANNEL_LOSS_SETTINGS 0x05 + +/* Lane ID for general configuration registers */ +#define GENERAL_CONFIG 4 + +/* LINK_TUNING_PARAMETERS fields */ +#define TUNING_METHOD_SHIFT 24 + +/* LINK_OPTIMIZATION_SETTINGS fields */ +#define ENABLE_EXT_DEV_CONFIG_SHIFT 24 + +/* LOAD_DATA 8051 command shifts and fields */ +#define LOAD_DATA_FIELD_ID_SHIFT 40 +#define LOAD_DATA_FIELD_ID_MASK 0xfull +#define LOAD_DATA_LANE_ID_SHIFT 32 +#define LOAD_DATA_LANE_ID_MASK 0xfull +#define LOAD_DATA_DATA_SHIFT 0x0 +#define LOAD_DATA_DATA_MASK 0xffffffffull + +/* READ_DATA 8051 command shifts and fields */ +#define READ_DATA_FIELD_ID_SHIFT 40 +#define READ_DATA_FIELD_ID_MASK 0xffull +#define READ_DATA_LANE_ID_SHIFT 32 +#define READ_DATA_LANE_ID_MASK 0xffull +#define READ_DATA_DATA_SHIFT 0x0 +#define READ_DATA_DATA_MASK 0xffffffffull + +/* TX settings fields */ +#define ENABLE_LANE_TX_SHIFT 0 +#define ENABLE_LANE_TX_MASK 0xff +#define TX_POLARITY_INVERSION_SHIFT 8 +#define TX_POLARITY_INVERSION_MASK 0xff +#define RX_POLARITY_INVERSION_SHIFT 16 +#define RX_POLARITY_INVERSION_MASK 0xff +#define MAX_RATE_SHIFT 24 +#define MAX_RATE_MASK 0xff + +/* verify capability PHY fields */ +#define CONTINIOUS_REMOTE_UPDATE_SUPPORT_SHIFT 0x4 +#define CONTINIOUS_REMOTE_UPDATE_SUPPORT_MASK 0x1 +#define POWER_MANAGEMENT_SHIFT 0x0 +#define POWER_MANAGEMENT_MASK 0xf + +/* 8051 lane register Field IDs */ +#define SPICO_FW_VERSION 0x7 /* SPICO firmware version */ + +/* SPICO firmware version fields */ +#define SPICO_ROM_VERSION_SHIFT 0 +#define SPICO_ROM_VERSION_MASK 0xffff +#define SPICO_ROM_PROD_ID_SHIFT 16 +#define SPICO_ROM_PROD_ID_MASK 0xffff + +/* verify capability fabric fields */ +#define VAU_SHIFT 0 +#define VAU_MASK 0x0007 +#define Z_SHIFT 3 +#define Z_MASK 0x0001 +#define VCU_SHIFT 4 +#define VCU_MASK 0x0007 +#define VL15BUF_SHIFT 8 +#define VL15BUF_MASK 0x0fff +#define CRC_SIZES_SHIFT 20 +#define CRC_SIZES_MASK 0x7 + +/* verify capability local link width fields */ +#define LINK_WIDTH_SHIFT 0 /* also for remote link width */ +#define LINK_WIDTH_MASK 0xffff /* also for remote link width */ +#define LOCAL_FLAG_BITS_SHIFT 16 +#define LOCAL_FLAG_BITS_MASK 0xff +#define MISC_CONFIG_BITS_SHIFT 24 +#define MISC_CONFIG_BITS_MASK 0xff + +/* verify capability remote link width fields */ +#define REMOTE_TX_RATE_SHIFT 16 +#define REMOTE_TX_RATE_MASK 0xff + +/* LOCAL_DEVICE_ID fields */ +#define LOCAL_DEVICE_REV_SHIFT 0 +#define LOCAL_DEVICE_REV_MASK 0xff +#define LOCAL_DEVICE_ID_SHIFT 8 +#define LOCAL_DEVICE_ID_MASK 0xffff + +/* REMOTE_DEVICE_ID fields */ +#define REMOTE_DEVICE_REV_SHIFT 0 +#define REMOTE_DEVICE_REV_MASK 0xff +#define REMOTE_DEVICE_ID_SHIFT 8 +#define REMOTE_DEVICE_ID_MASK 0xffff + +/* local LNI link width fields */ +#define ENABLE_LANE_RX_SHIFT 16 +#define ENABLE_LANE_RX_MASK 0xff + +/* mask, shift for reading 'mgmt_enabled' value from REMOTE_LNI_INFO field */ +#define MGMT_ALLOWED_SHIFT 23 +#define MGMT_ALLOWED_MASK 0x1 + +/* mask, shift for 'link_quality' within LINK_QUALITY_INFO field */ +#define LINK_QUALITY_SHIFT 24 +#define LINK_QUALITY_MASK 0x7 + +/* + * mask, shift for reading 'planned_down_remote_reason_code' + * from LINK_QUALITY_INFO field + */ +#define DOWN_REMOTE_REASON_SHIFT 16 +#define DOWN_REMOTE_REASON_MASK 0xff + +#define HOST_INTERFACE_VERSION 1 +#define HOST_INTERFACE_VERSION_SHIFT 16 +#define HOST_INTERFACE_VERSION_MASK 0xff + +/* verify capability PHY power management bits */ +#define PWRM_BER_CONTROL 0x1 +#define PWRM_BANDWIDTH_CONTROL 0x2 + +/* 8051 link down reasons */ +#define LDR_LINK_TRANSFER_ACTIVE_LOW 0xa +#define LDR_RECEIVED_LINKDOWN_IDLE_MSG 0xb +#define LDR_RECEIVED_HOST_OFFLINE_REQ 0xc + +/* verify capability fabric CRC size bits */ +enum { + CAP_CRC_14B = (1 << 0), /* 14b CRC */ + CAP_CRC_48B = (1 << 1), /* 48b CRC */ + CAP_CRC_12B_16B_PER_LANE = (1 << 2) /* 12b-16b per lane CRC */ +}; + +#define SUPPORTED_CRCS (CAP_CRC_14B | CAP_CRC_48B) + +/* misc status version fields */ +#define STS_FM_VERSION_MINOR_SHIFT 16 +#define STS_FM_VERSION_MINOR_MASK 0xff +#define STS_FM_VERSION_MAJOR_SHIFT 24 +#define STS_FM_VERSION_MAJOR_MASK 0xff +#define STS_FM_VERSION_PATCH_SHIFT 24 +#define STS_FM_VERSION_PATCH_MASK 0xff + +/* LCB_CFG_CRC_MODE TX_VAL and RX_VAL CRC mode values */ +#define LCB_CRC_16B 0x0 /* 16b CRC */ +#define LCB_CRC_14B 0x1 /* 14b CRC */ +#define LCB_CRC_48B 0x2 /* 48b CRC */ +#define LCB_CRC_12B_16B_PER_LANE 0x3 /* 12b-16b per lane CRC */ + +/* + * the following enum is (almost) a copy/paste of the definition + * in the OPA spec, section 20.2.2.6.8 (PortInfo) + */ +enum { + PORT_LTP_CRC_MODE_NONE = 0, + PORT_LTP_CRC_MODE_14 = 1, /* 14-bit LTP CRC mode (optional) */ + PORT_LTP_CRC_MODE_16 = 2, /* 16-bit LTP CRC mode */ + PORT_LTP_CRC_MODE_48 = 4, + /* 48-bit overlapping LTP CRC mode (optional) */ + PORT_LTP_CRC_MODE_PER_LANE = 8 + /* 12 to 16 bit per lane LTP CRC mode (optional) */ +}; + +/* timeouts */ +#define LINK_RESTART_DELAY 1000 /* link restart delay, in ms */ +#define TIMEOUT_8051_START 5000 /* 8051 start timeout, in ms */ +#define DC8051_COMMAND_TIMEOUT 1000 /* DC8051 command timeout, in ms */ +#define FREEZE_STATUS_TIMEOUT 20 /* wait for freeze indicators, in ms */ +#define VL_STATUS_CLEAR_TIMEOUT 5000 /* per-VL status clear, in ms */ +#define CCE_STATUS_TIMEOUT 10 /* time to clear CCE Status, in ms */ + +/* cclock tick time, in picoseconds per tick: 1/speed * 10^12 */ +#define ASIC_CCLOCK_PS 1242 /* 805 MHz */ +#define FPGA_CCLOCK_PS 30300 /* 33 MHz */ + +/* + * Mask of enabled MISC errors. Do not enable the two RSA engine errors - + * see firmware.c:run_rsa() for details. + */ +#define DRIVER_MISC_MASK \ + (~(MISC_ERR_STATUS_MISC_FW_AUTH_FAILED_ERR_SMASK \ + | MISC_ERR_STATUS_MISC_KEY_MISMATCH_ERR_SMASK)) + +/* valid values for the loopback module parameter */ +#define LOOPBACK_NONE 0 /* no loopback - default */ +#define LOOPBACK_SERDES 1 +#define LOOPBACK_LCB 2 +#define LOOPBACK_CABLE 3 /* external cable */ + +/* set up bits in MISC_CONFIG_BITS */ +#define LOOPBACK_SERDES_CONFIG_BIT_MASK_SHIFT 0 +#define EXT_CFG_LCB_RESET_SUPPORTED_SHIFT 3 + +/* read and write hardware registers */ +u64 read_csr(const struct hfi1_devdata *dd, u32 offset); +void write_csr(const struct hfi1_devdata *dd, u32 offset, u64 value); + +/* + * The *_kctxt_* flavor of the CSR read/write functions are for + * per-context or per-SDMA CSRs that are not mappable to user-space. + * Their spacing is not a PAGE_SIZE multiple. + */ +static inline u64 read_kctxt_csr(const struct hfi1_devdata *dd, int ctxt, + u32 offset0) +{ + /* kernel per-context CSRs are separated by 0x100 */ + return read_csr(dd, offset0 + (0x100 * ctxt)); +} + +static inline void write_kctxt_csr(struct hfi1_devdata *dd, int ctxt, + u32 offset0, u64 value) +{ + /* kernel per-context CSRs are separated by 0x100 */ + write_csr(dd, offset0 + (0x100 * ctxt), value); +} + +int read_lcb_csr(struct hfi1_devdata *dd, u32 offset, u64 *data); +int write_lcb_csr(struct hfi1_devdata *dd, u32 offset, u64 data); + +void __iomem *get_csr_addr( + const struct hfi1_devdata *dd, + u32 offset); + +static inline void __iomem *get_kctxt_csr_addr( + const struct hfi1_devdata *dd, + int ctxt, + u32 offset0) +{ + return get_csr_addr(dd, offset0 + (0x100 * ctxt)); +} + +/* + * The *_uctxt_* flavor of the CSR read/write functions are for + * per-context CSRs that are mappable to user space. All these CSRs + * are spaced by a PAGE_SIZE multiple in order to be mappable to + * different processes without exposing other contexts' CSRs + */ +static inline u64 read_uctxt_csr(const struct hfi1_devdata *dd, int ctxt, + u32 offset0) +{ + /* user per-context CSRs are separated by 0x1000 */ + return read_csr(dd, offset0 + (0x1000 * ctxt)); +} + +static inline void write_uctxt_csr(struct hfi1_devdata *dd, int ctxt, + u32 offset0, u64 value) +{ + /* user per-context CSRs are separated by 0x1000 */ + write_csr(dd, offset0 + (0x1000 * ctxt), value); +} + +static inline u32 chip_rcv_contexts(struct hfi1_devdata *dd) +{ + return read_csr(dd, RCV_CONTEXTS); +} + +static inline u32 chip_send_contexts(struct hfi1_devdata *dd) +{ + return read_csr(dd, SEND_CONTEXTS); +} + +static inline u32 chip_sdma_engines(struct hfi1_devdata *dd) +{ + return read_csr(dd, SEND_DMA_ENGINES); +} + +static inline u32 chip_pio_mem_size(struct hfi1_devdata *dd) +{ + return read_csr(dd, SEND_PIO_MEM_SIZE); +} + +static inline u32 chip_sdma_mem_size(struct hfi1_devdata *dd) +{ + return read_csr(dd, SEND_DMA_MEM_SIZE); +} + +static inline u32 chip_rcv_array_count(struct hfi1_devdata *dd) +{ + return read_csr(dd, RCV_ARRAY_CNT); +} + +u8 encode_rcv_header_entry_size(u8 size); +int hfi1_validate_rcvhdrcnt(struct hfi1_devdata *dd, uint thecnt); +void set_hdrq_regs(struct hfi1_devdata *dd, u8 ctxt, u8 entsize, u16 hdrcnt); + +u64 create_pbc(struct hfi1_pportdata *ppd, u64 flags, int srate_mbs, u32 vl, + u32 dw_len); + +/* firmware.c */ +#define SBUS_MASTER_BROADCAST 0xfd +#define NUM_PCIE_SERDES 16 /* number of PCIe serdes on the SBus */ +extern const u8 pcie_serdes_broadcast[]; +extern const u8 pcie_pcs_addrs[2][NUM_PCIE_SERDES]; + +/* SBus commands */ +#define RESET_SBUS_RECEIVER 0x20 +#define WRITE_SBUS_RECEIVER 0x21 +#define READ_SBUS_RECEIVER 0x22 +void sbus_request(struct hfi1_devdata *dd, + u8 receiver_addr, u8 data_addr, u8 command, u32 data_in); +int sbus_request_slow(struct hfi1_devdata *dd, + u8 receiver_addr, u8 data_addr, u8 command, u32 data_in); +void set_sbus_fast_mode(struct hfi1_devdata *dd); +void clear_sbus_fast_mode(struct hfi1_devdata *dd); +int hfi1_firmware_init(struct hfi1_devdata *dd); +int load_pcie_firmware(struct hfi1_devdata *dd); +int load_firmware(struct hfi1_devdata *dd); +void dispose_firmware(void); +int acquire_hw_mutex(struct hfi1_devdata *dd); +void release_hw_mutex(struct hfi1_devdata *dd); + +/* + * Bitmask of dynamic access for ASIC block chip resources. Each HFI has its + * own range of bits for the resource so it can clear its own bits on + * starting and exiting. If either HFI has the resource bit set, the + * resource is in use. The separate bit ranges are: + * HFI0 bits 7:0 + * HFI1 bits 15:8 + */ +#define CR_SBUS 0x01 /* SBUS, THERM, and PCIE registers */ +#define CR_EPROM 0x02 /* EEP, GPIO registers */ +#define CR_I2C1 0x04 /* QSFP1_OE register */ +#define CR_I2C2 0x08 /* QSFP2_OE register */ +#define CR_DYN_SHIFT 8 /* dynamic flag shift */ +#define CR_DYN_MASK ((1ull << CR_DYN_SHIFT) - 1) + +/* + * Bitmask of static ASIC states these are outside of the dynamic ASIC + * block chip resources above. These are to be set once and never cleared. + * Must be holding the SBus dynamic flag when setting. + */ +#define CR_THERM_INIT 0x010000 + +int acquire_chip_resource(struct hfi1_devdata *dd, u32 resource, u32 mswait); +void release_chip_resource(struct hfi1_devdata *dd, u32 resource); +bool check_chip_resource(struct hfi1_devdata *dd, u32 resource, + const char *func); +void init_chip_resources(struct hfi1_devdata *dd); +void finish_chip_resources(struct hfi1_devdata *dd); + +/* ms wait time for access to an SBus resoure */ +#define SBUS_TIMEOUT 4000 /* long enough for a FW download and SBR */ + +/* ms wait time for a qsfp (i2c) chain to become available */ +#define QSFP_WAIT 20000 /* long enough for FW update to the F4 uc */ + +void fabric_serdes_reset(struct hfi1_devdata *dd); +int read_8051_data(struct hfi1_devdata *dd, u32 addr, u32 len, u64 *result); + +/* chip.c */ +void read_misc_status(struct hfi1_devdata *dd, u8 *ver_major, u8 *ver_minor, + u8 *ver_patch); +int write_host_interface_version(struct hfi1_devdata *dd, u8 version); +void read_guid(struct hfi1_devdata *dd); +int wait_fm_ready(struct hfi1_devdata *dd, u32 mstimeout); +void set_link_down_reason(struct hfi1_pportdata *ppd, u8 lcl_reason, + u8 neigh_reason, u8 rem_reason); +int set_link_state(struct hfi1_pportdata *, u32 state); +int port_ltp_to_cap(int port_ltp); +void handle_verify_cap(struct work_struct *work); +void handle_freeze(struct work_struct *work); +void handle_link_up(struct work_struct *work); +void handle_link_down(struct work_struct *work); +void handle_link_downgrade(struct work_struct *work); +void handle_link_bounce(struct work_struct *work); +void handle_start_link(struct work_struct *work); +void handle_sma_message(struct work_struct *work); +int reset_qsfp(struct hfi1_pportdata *ppd); +void qsfp_event(struct work_struct *work); +void start_freeze_handling(struct hfi1_pportdata *ppd, int flags); +int send_idle_sma(struct hfi1_devdata *dd, u64 message); +int load_8051_config(struct hfi1_devdata *, u8, u8, u32); +int read_8051_config(struct hfi1_devdata *, u8, u8, u32 *); +int start_link(struct hfi1_pportdata *ppd); +int bringup_serdes(struct hfi1_pportdata *ppd); +void set_intr_state(struct hfi1_devdata *dd, u32 enable); +bool apply_link_downgrade_policy(struct hfi1_pportdata *ppd, + bool refresh_widths); +void update_usrhead(struct hfi1_ctxtdata *rcd, u32 hd, u32 updegr, u32 egrhd, + u32 intr_adjust, u32 npkts); +int stop_drain_data_vls(struct hfi1_devdata *dd); +int open_fill_data_vls(struct hfi1_devdata *dd); +u32 ns_to_cclock(struct hfi1_devdata *dd, u32 ns); +u32 cclock_to_ns(struct hfi1_devdata *dd, u32 cclock); +void get_linkup_link_widths(struct hfi1_pportdata *ppd); +void read_ltp_rtt(struct hfi1_devdata *dd); +void clear_linkup_counters(struct hfi1_devdata *dd); +u32 hdrqempty(struct hfi1_ctxtdata *rcd); +int is_ax(struct hfi1_devdata *dd); +int is_bx(struct hfi1_devdata *dd); +bool is_urg_masked(struct hfi1_ctxtdata *rcd); +u32 read_physical_state(struct hfi1_devdata *dd); +u32 chip_to_opa_pstate(struct hfi1_devdata *dd, u32 chip_pstate); +const char *opa_lstate_name(u32 lstate); +const char *opa_pstate_name(u32 pstate); +u32 driver_pstate(struct hfi1_pportdata *ppd); +u32 driver_lstate(struct hfi1_pportdata *ppd); + +int acquire_lcb_access(struct hfi1_devdata *dd, int sleep_ok); +int release_lcb_access(struct hfi1_devdata *dd, int sleep_ok); +#define LCB_START DC_LCB_CSRS +#define LCB_END DC_8051_CSRS /* next block is 8051 */ +static inline int is_lcb_offset(u32 offset) +{ + return (offset >= LCB_START && offset < LCB_END); +} + +extern uint num_vls; + +extern uint disable_integrity; +u64 read_dev_cntr(struct hfi1_devdata *dd, int index, int vl); +u64 write_dev_cntr(struct hfi1_devdata *dd, int index, int vl, u64 data); +u64 read_port_cntr(struct hfi1_pportdata *ppd, int index, int vl); +u64 write_port_cntr(struct hfi1_pportdata *ppd, int index, int vl, u64 data); +u32 read_logical_state(struct hfi1_devdata *dd); +void force_recv_intr(struct hfi1_ctxtdata *rcd); + +/* Per VL indexes */ +enum { + C_VL_0 = 0, + C_VL_1, + C_VL_2, + C_VL_3, + C_VL_4, + C_VL_5, + C_VL_6, + C_VL_7, + C_VL_15, + C_VL_COUNT +}; + +static inline int vl_from_idx(int idx) +{ + return (idx == C_VL_15 ? 15 : idx); +} + +static inline int idx_from_vl(int vl) +{ + return (vl == 15 ? C_VL_15 : vl); +} + +/* Per device counter indexes */ +enum { + C_RCV_OVF = 0, + C_RX_LEN_ERR, + C_RX_SHORT_ERR, + C_RX_ICRC_ERR, + C_RX_EBP, + C_RX_TID_FULL, + C_RX_TID_INVALID, + C_RX_TID_FLGMS, + C_RX_CTX_EGRS, + C_RCV_TID_FLSMS, + C_CCE_PCI_CR_ST, + C_CCE_PCI_TR_ST, + C_CCE_PIO_WR_ST, + C_CCE_ERR_INT, + C_CCE_SDMA_INT, + C_CCE_MISC_INT, + C_CCE_RCV_AV_INT, + C_CCE_RCV_URG_INT, + C_CCE_SEND_CR_INT, + C_DC_UNC_ERR, + C_DC_RCV_ERR, + C_DC_FM_CFG_ERR, + C_DC_RMT_PHY_ERR, + C_DC_DROPPED_PKT, + C_DC_MC_XMIT_PKTS, + C_DC_MC_RCV_PKTS, + C_DC_XMIT_CERR, + C_DC_RCV_CERR, + C_DC_RCV_FCC, + C_DC_XMIT_FCC, + C_DC_XMIT_FLITS, + C_DC_RCV_FLITS, + C_DC_XMIT_PKTS, + C_DC_RCV_PKTS, + C_DC_RX_FLIT_VL, + C_DC_RX_PKT_VL, + C_DC_RCV_FCN, + C_DC_RCV_FCN_VL, + C_DC_RCV_BCN, + C_DC_RCV_BCN_VL, + C_DC_RCV_BBL, + C_DC_RCV_BBL_VL, + C_DC_MARK_FECN, + C_DC_MARK_FECN_VL, + C_DC_TOTAL_CRC, + C_DC_CRC_LN0, + C_DC_CRC_LN1, + C_DC_CRC_LN2, + C_DC_CRC_LN3, + C_DC_CRC_MULT_LN, + C_DC_TX_REPLAY, + C_DC_RX_REPLAY, + C_DC_SEQ_CRC_CNT, + C_DC_ESC0_ONLY_CNT, + C_DC_ESC0_PLUS1_CNT, + C_DC_ESC0_PLUS2_CNT, + C_DC_REINIT_FROM_PEER_CNT, + C_DC_SBE_CNT, + C_DC_MISC_FLG_CNT, + C_DC_PRF_GOOD_LTP_CNT, + C_DC_PRF_ACCEPTED_LTP_CNT, + C_DC_PRF_RX_FLIT_CNT, + C_DC_PRF_TX_FLIT_CNT, + C_DC_PRF_CLK_CNTR, + C_DC_PG_DBG_FLIT_CRDTS_CNT, + C_DC_PG_STS_PAUSE_COMPLETE_CNT, + C_DC_PG_STS_TX_SBE_CNT, + C_DC_PG_STS_TX_MBE_CNT, + C_SW_CPU_INTR, + C_SW_CPU_RCV_LIM, + C_SW_CTX0_SEQ_DROP, + C_SW_VTX_WAIT, + C_SW_PIO_WAIT, + C_SW_PIO_DRAIN, + C_SW_KMEM_WAIT, + C_SW_TID_WAIT, + C_SW_SEND_SCHED, + C_SDMA_DESC_FETCHED_CNT, + C_SDMA_INT_CNT, + C_SDMA_ERR_CNT, + C_SDMA_IDLE_INT_CNT, + C_SDMA_PROGRESS_INT_CNT, +/* MISC_ERR_STATUS */ + C_MISC_PLL_LOCK_FAIL_ERR, + C_MISC_MBIST_FAIL_ERR, + C_MISC_INVALID_EEP_CMD_ERR, + C_MISC_EFUSE_DONE_PARITY_ERR, + C_MISC_EFUSE_WRITE_ERR, + C_MISC_EFUSE_READ_BAD_ADDR_ERR, + C_MISC_EFUSE_CSR_PARITY_ERR, + C_MISC_FW_AUTH_FAILED_ERR, + C_MISC_KEY_MISMATCH_ERR, + C_MISC_SBUS_WRITE_FAILED_ERR, + C_MISC_CSR_WRITE_BAD_ADDR_ERR, + C_MISC_CSR_READ_BAD_ADDR_ERR, + C_MISC_CSR_PARITY_ERR, +/* CceErrStatus */ + /* + * A special counter that is the aggregate count + * of all the cce_err_status errors. The remainder + * are actual bits in the CceErrStatus register. + */ + C_CCE_ERR_STATUS_AGGREGATED_CNT, + C_CCE_MSIX_CSR_PARITY_ERR, + C_CCE_INT_MAP_UNC_ERR, + C_CCE_INT_MAP_COR_ERR, + C_CCE_MSIX_TABLE_UNC_ERR, + C_CCE_MSIX_TABLE_COR_ERR, + C_CCE_RXDMA_CONV_FIFO_PARITY_ERR, + C_CCE_RCPL_ASYNC_FIFO_PARITY_ERR, + C_CCE_SEG_WRITE_BAD_ADDR_ERR, + C_CCE_SEG_READ_BAD_ADDR_ERR, + C_LA_TRIGGERED, + C_CCE_TRGT_CPL_TIMEOUT_ERR, + C_PCIC_RECEIVE_PARITY_ERR, + C_PCIC_TRANSMIT_BACK_PARITY_ERR, + C_PCIC_TRANSMIT_FRONT_PARITY_ERR, + C_PCIC_CPL_DAT_Q_UNC_ERR, + C_PCIC_CPL_HD_Q_UNC_ERR, + C_PCIC_POST_DAT_Q_UNC_ERR, + C_PCIC_POST_HD_Q_UNC_ERR, + C_PCIC_RETRY_SOT_MEM_UNC_ERR, + C_PCIC_RETRY_MEM_UNC_ERR, + C_PCIC_N_POST_DAT_Q_PARITY_ERR, + C_PCIC_N_POST_H_Q_PARITY_ERR, + C_PCIC_CPL_DAT_Q_COR_ERR, + C_PCIC_CPL_HD_Q_COR_ERR, + C_PCIC_POST_DAT_Q_COR_ERR, + C_PCIC_POST_HD_Q_COR_ERR, + C_PCIC_RETRY_SOT_MEM_COR_ERR, + C_PCIC_RETRY_MEM_COR_ERR, + C_CCE_CLI1_ASYNC_FIFO_DBG_PARITY_ERR, + C_CCE_CLI1_ASYNC_FIFO_RXDMA_PARITY_ERR, + C_CCE_CLI1_ASYNC_FIFO_SDMA_HD_PARITY_ERR, + C_CCE_CLI1_ASYNC_FIFO_PIO_CRDT_PARITY_ERR, + C_CCE_CLI2_ASYNC_FIFO_PARITY_ERR, + C_CCE_CSR_CFG_BUS_PARITY_ERR, + C_CCE_CLI0_ASYNC_FIFO_PARTIY_ERR, + C_CCE_RSPD_DATA_PARITY_ERR, + C_CCE_TRGT_ACCESS_ERR, + C_CCE_TRGT_ASYNC_FIFO_PARITY_ERR, + C_CCE_CSR_WRITE_BAD_ADDR_ERR, + C_CCE_CSR_READ_BAD_ADDR_ERR, + C_CCE_CSR_PARITY_ERR, +/* RcvErrStatus */ + C_RX_CSR_PARITY_ERR, + C_RX_CSR_WRITE_BAD_ADDR_ERR, + C_RX_CSR_READ_BAD_ADDR_ERR, + C_RX_DMA_CSR_UNC_ERR, + C_RX_DMA_DQ_FSM_ENCODING_ERR, + C_RX_DMA_EQ_FSM_ENCODING_ERR, + C_RX_DMA_CSR_PARITY_ERR, + C_RX_RBUF_DATA_COR_ERR, + C_RX_RBUF_DATA_UNC_ERR, + C_RX_DMA_DATA_FIFO_RD_COR_ERR, + C_RX_DMA_DATA_FIFO_RD_UNC_ERR, + C_RX_DMA_HDR_FIFO_RD_COR_ERR, + C_RX_DMA_HDR_FIFO_RD_UNC_ERR, + C_RX_RBUF_DESC_PART2_COR_ERR, + C_RX_RBUF_DESC_PART2_UNC_ERR, + C_RX_RBUF_DESC_PART1_COR_ERR, + C_RX_RBUF_DESC_PART1_UNC_ERR, + C_RX_HQ_INTR_FSM_ERR, + C_RX_HQ_INTR_CSR_PARITY_ERR, + C_RX_LOOKUP_CSR_PARITY_ERR, + C_RX_LOOKUP_RCV_ARRAY_COR_ERR, + C_RX_LOOKUP_RCV_ARRAY_UNC_ERR, + C_RX_LOOKUP_DES_PART2_PARITY_ERR, + C_RX_LOOKUP_DES_PART1_UNC_COR_ERR, + C_RX_LOOKUP_DES_PART1_UNC_ERR, + C_RX_RBUF_NEXT_FREE_BUF_COR_ERR, + C_RX_RBUF_NEXT_FREE_BUF_UNC_ERR, + C_RX_RBUF_FL_INIT_WR_ADDR_PARITY_ERR, + C_RX_RBUF_FL_INITDONE_PARITY_ERR, + C_RX_RBUF_FL_WRITE_ADDR_PARITY_ERR, + C_RX_RBUF_FL_RD_ADDR_PARITY_ERR, + C_RX_RBUF_EMPTY_ERR, + C_RX_RBUF_FULL_ERR, + C_RX_RBUF_BAD_LOOKUP_ERR, + C_RX_RBUF_CTX_ID_PARITY_ERR, + C_RX_RBUF_CSR_QEOPDW_PARITY_ERR, + C_RX_RBUF_CSR_Q_NUM_OF_PKT_PARITY_ERR, + C_RX_RBUF_CSR_Q_T1_PTR_PARITY_ERR, + C_RX_RBUF_CSR_Q_HD_PTR_PARITY_ERR, + C_RX_RBUF_CSR_Q_VLD_BIT_PARITY_ERR, + C_RX_RBUF_CSR_Q_NEXT_BUF_PARITY_ERR, + C_RX_RBUF_CSR_Q_ENT_CNT_PARITY_ERR, + C_RX_RBUF_CSR_Q_HEAD_BUF_NUM_PARITY_ERR, + C_RX_RBUF_BLOCK_LIST_READ_COR_ERR, + C_RX_RBUF_BLOCK_LIST_READ_UNC_ERR, + C_RX_RBUF_LOOKUP_DES_COR_ERR, + C_RX_RBUF_LOOKUP_DES_UNC_ERR, + C_RX_RBUF_LOOKUP_DES_REG_UNC_COR_ERR, + C_RX_RBUF_LOOKUP_DES_REG_UNC_ERR, + C_RX_RBUF_FREE_LIST_COR_ERR, + C_RX_RBUF_FREE_LIST_UNC_ERR, + C_RX_RCV_FSM_ENCODING_ERR, + C_RX_DMA_FLAG_COR_ERR, + C_RX_DMA_FLAG_UNC_ERR, + C_RX_DC_SOP_EOP_PARITY_ERR, + C_RX_RCV_CSR_PARITY_ERR, + C_RX_RCV_QP_MAP_TABLE_COR_ERR, + C_RX_RCV_QP_MAP_TABLE_UNC_ERR, + C_RX_RCV_DATA_COR_ERR, + C_RX_RCV_DATA_UNC_ERR, + C_RX_RCV_HDR_COR_ERR, + C_RX_RCV_HDR_UNC_ERR, + C_RX_DC_INTF_PARITY_ERR, + C_RX_DMA_CSR_COR_ERR, +/* SendPioErrStatus */ + C_PIO_PEC_SOP_HEAD_PARITY_ERR, + C_PIO_PCC_SOP_HEAD_PARITY_ERR, + C_PIO_LAST_RETURNED_CNT_PARITY_ERR, + C_PIO_CURRENT_FREE_CNT_PARITY_ERR, + C_PIO_RSVD_31_ERR, + C_PIO_RSVD_30_ERR, + C_PIO_PPMC_SOP_LEN_ERR, + C_PIO_PPMC_BQC_MEM_PARITY_ERR, + C_PIO_VL_FIFO_PARITY_ERR, + C_PIO_VLF_SOP_PARITY_ERR, + C_PIO_VLF_V1_LEN_PARITY_ERR, + C_PIO_BLOCK_QW_COUNT_PARITY_ERR, + C_PIO_WRITE_QW_VALID_PARITY_ERR, + C_PIO_STATE_MACHINE_ERR, + C_PIO_WRITE_DATA_PARITY_ERR, + C_PIO_HOST_ADDR_MEM_COR_ERR, + C_PIO_HOST_ADDR_MEM_UNC_ERR, + C_PIO_PKT_EVICT_SM_OR_ARM_SM_ERR, + C_PIO_INIT_SM_IN_ERR, + C_PIO_PPMC_PBL_FIFO_ERR, + C_PIO_CREDIT_RET_FIFO_PARITY_ERR, + C_PIO_V1_LEN_MEM_BANK1_COR_ERR, + C_PIO_V1_LEN_MEM_BANK0_COR_ERR, + C_PIO_V1_LEN_MEM_BANK1_UNC_ERR, + C_PIO_V1_LEN_MEM_BANK0_UNC_ERR, + C_PIO_SM_PKT_RESET_PARITY_ERR, + C_PIO_PKT_EVICT_FIFO_PARITY_ERR, + C_PIO_SBRDCTRL_CRREL_FIFO_PARITY_ERR, + C_PIO_SBRDCTL_CRREL_PARITY_ERR, + C_PIO_PEC_FIFO_PARITY_ERR, + C_PIO_PCC_FIFO_PARITY_ERR, + C_PIO_SB_MEM_FIFO1_ERR, + C_PIO_SB_MEM_FIFO0_ERR, + C_PIO_CSR_PARITY_ERR, + C_PIO_WRITE_ADDR_PARITY_ERR, + C_PIO_WRITE_BAD_CTXT_ERR, +/* SendDmaErrStatus */ + C_SDMA_PCIE_REQ_TRACKING_COR_ERR, + C_SDMA_PCIE_REQ_TRACKING_UNC_ERR, + C_SDMA_CSR_PARITY_ERR, + C_SDMA_RPY_TAG_ERR, +/* SendEgressErrStatus */ + C_TX_READ_PIO_MEMORY_CSR_UNC_ERR, + C_TX_READ_SDMA_MEMORY_CSR_UNC_ERR, + C_TX_EGRESS_FIFO_COR_ERR, + C_TX_READ_PIO_MEMORY_COR_ERR, + C_TX_READ_SDMA_MEMORY_COR_ERR, + C_TX_SB_HDR_COR_ERR, + C_TX_CREDIT_OVERRUN_ERR, + C_TX_LAUNCH_FIFO8_COR_ERR, + C_TX_LAUNCH_FIFO7_COR_ERR, + C_TX_LAUNCH_FIFO6_COR_ERR, + C_TX_LAUNCH_FIFO5_COR_ERR, + C_TX_LAUNCH_FIFO4_COR_ERR, + C_TX_LAUNCH_FIFO3_COR_ERR, + C_TX_LAUNCH_FIFO2_COR_ERR, + C_TX_LAUNCH_FIFO1_COR_ERR, + C_TX_LAUNCH_FIFO0_COR_ERR, + C_TX_CREDIT_RETURN_VL_ERR, + C_TX_HCRC_INSERTION_ERR, + C_TX_EGRESS_FIFI_UNC_ERR, + C_TX_READ_PIO_MEMORY_UNC_ERR, + C_TX_READ_SDMA_MEMORY_UNC_ERR, + C_TX_SB_HDR_UNC_ERR, + C_TX_CREDIT_RETURN_PARITY_ERR, + C_TX_LAUNCH_FIFO8_UNC_OR_PARITY_ERR, + C_TX_LAUNCH_FIFO7_UNC_OR_PARITY_ERR, + C_TX_LAUNCH_FIFO6_UNC_OR_PARITY_ERR, + C_TX_LAUNCH_FIFO5_UNC_OR_PARITY_ERR, + C_TX_LAUNCH_FIFO4_UNC_OR_PARITY_ERR, + C_TX_LAUNCH_FIFO3_UNC_OR_PARITY_ERR, + C_TX_LAUNCH_FIFO2_UNC_OR_PARITY_ERR, + C_TX_LAUNCH_FIFO1_UNC_OR_PARITY_ERR, + C_TX_LAUNCH_FIFO0_UNC_OR_PARITY_ERR, + C_TX_SDMA15_DISALLOWED_PACKET_ERR, + C_TX_SDMA14_DISALLOWED_PACKET_ERR, + C_TX_SDMA13_DISALLOWED_PACKET_ERR, + C_TX_SDMA12_DISALLOWED_PACKET_ERR, + C_TX_SDMA11_DISALLOWED_PACKET_ERR, + C_TX_SDMA10_DISALLOWED_PACKET_ERR, + C_TX_SDMA9_DISALLOWED_PACKET_ERR, + C_TX_SDMA8_DISALLOWED_PACKET_ERR, + C_TX_SDMA7_DISALLOWED_PACKET_ERR, + C_TX_SDMA6_DISALLOWED_PACKET_ERR, + C_TX_SDMA5_DISALLOWED_PACKET_ERR, + C_TX_SDMA4_DISALLOWED_PACKET_ERR, + C_TX_SDMA3_DISALLOWED_PACKET_ERR, + C_TX_SDMA2_DISALLOWED_PACKET_ERR, + C_TX_SDMA1_DISALLOWED_PACKET_ERR, + C_TX_SDMA0_DISALLOWED_PACKET_ERR, + C_TX_CONFIG_PARITY_ERR, + C_TX_SBRD_CTL_CSR_PARITY_ERR, + C_TX_LAUNCH_CSR_PARITY_ERR, + C_TX_ILLEGAL_CL_ERR, + C_TX_SBRD_CTL_STATE_MACHINE_PARITY_ERR, + C_TX_RESERVED_10, + C_TX_RESERVED_9, + C_TX_SDMA_LAUNCH_INTF_PARITY_ERR, + C_TX_PIO_LAUNCH_INTF_PARITY_ERR, + C_TX_RESERVED_6, + C_TX_INCORRECT_LINK_STATE_ERR, + C_TX_LINK_DOWN_ERR, + C_TX_EGRESS_FIFO_UNDERRUN_OR_PARITY_ERR, + C_TX_RESERVED_2, + C_TX_PKT_INTEGRITY_MEM_UNC_ERR, + C_TX_PKT_INTEGRITY_MEM_COR_ERR, +/* SendErrStatus */ + C_SEND_CSR_WRITE_BAD_ADDR_ERR, + C_SEND_CSR_READ_BAD_ADD_ERR, + C_SEND_CSR_PARITY_ERR, +/* SendCtxtErrStatus */ + C_PIO_WRITE_OUT_OF_BOUNDS_ERR, + C_PIO_WRITE_OVERFLOW_ERR, + C_PIO_WRITE_CROSSES_BOUNDARY_ERR, + C_PIO_DISALLOWED_PACKET_ERR, + C_PIO_INCONSISTENT_SOP_ERR, +/*SendDmaEngErrStatus */ + C_SDMA_HEADER_REQUEST_FIFO_COR_ERR, + C_SDMA_HEADER_STORAGE_COR_ERR, + C_SDMA_PACKET_TRACKING_COR_ERR, + C_SDMA_ASSEMBLY_COR_ERR, + C_SDMA_DESC_TABLE_COR_ERR, + C_SDMA_HEADER_REQUEST_FIFO_UNC_ERR, + C_SDMA_HEADER_STORAGE_UNC_ERR, + C_SDMA_PACKET_TRACKING_UNC_ERR, + C_SDMA_ASSEMBLY_UNC_ERR, + C_SDMA_DESC_TABLE_UNC_ERR, + C_SDMA_TIMEOUT_ERR, + C_SDMA_HEADER_LENGTH_ERR, + C_SDMA_HEADER_ADDRESS_ERR, + C_SDMA_HEADER_SELECT_ERR, + C_SMDA_RESERVED_9, + C_SDMA_PACKET_DESC_OVERFLOW_ERR, + C_SDMA_LENGTH_MISMATCH_ERR, + C_SDMA_HALT_ERR, + C_SDMA_MEM_READ_ERR, + C_SDMA_FIRST_DESC_ERR, + C_SDMA_TAIL_OUT_OF_BOUNDS_ERR, + C_SDMA_TOO_LONG_ERR, + C_SDMA_GEN_MISMATCH_ERR, + C_SDMA_WRONG_DW_ERR, + DEV_CNTR_LAST /* Must be kept last */ +}; + +/* Per port counter indexes */ +enum { + C_TX_UNSUP_VL = 0, + C_TX_INVAL_LEN, + C_TX_MM_LEN_ERR, + C_TX_UNDERRUN, + C_TX_FLOW_STALL, + C_TX_DROPPED, + C_TX_HDR_ERR, + C_TX_PKT, + C_TX_WORDS, + C_TX_WAIT, + C_TX_FLIT_VL, + C_TX_PKT_VL, + C_TX_WAIT_VL, + C_RX_PKT, + C_RX_WORDS, + C_SW_LINK_DOWN, + C_SW_LINK_UP, + C_SW_UNKNOWN_FRAME, + C_SW_XMIT_DSCD, + C_SW_XMIT_DSCD_VL, + C_SW_XMIT_CSTR_ERR, + C_SW_RCV_CSTR_ERR, + C_SW_IBP_LOOP_PKTS, + C_SW_IBP_RC_RESENDS, + C_SW_IBP_RNR_NAKS, + C_SW_IBP_OTHER_NAKS, + C_SW_IBP_RC_TIMEOUTS, + C_SW_IBP_PKT_DROPS, + C_SW_IBP_DMA_WAIT, + C_SW_IBP_RC_SEQNAK, + C_SW_IBP_RC_DUPREQ, + C_SW_IBP_RDMA_SEQ, + C_SW_IBP_UNALIGNED, + C_SW_IBP_SEQ_NAK, + C_SW_IBP_RC_CRWAITS, + C_SW_CPU_RC_ACKS, + C_SW_CPU_RC_QACKS, + C_SW_CPU_RC_DELAYED_COMP, + C_RCV_HDR_OVF_0, + C_RCV_HDR_OVF_1, + C_RCV_HDR_OVF_2, + C_RCV_HDR_OVF_3, + C_RCV_HDR_OVF_4, + C_RCV_HDR_OVF_5, + C_RCV_HDR_OVF_6, + C_RCV_HDR_OVF_7, + C_RCV_HDR_OVF_8, + C_RCV_HDR_OVF_9, + C_RCV_HDR_OVF_10, + C_RCV_HDR_OVF_11, + C_RCV_HDR_OVF_12, + C_RCV_HDR_OVF_13, + C_RCV_HDR_OVF_14, + C_RCV_HDR_OVF_15, + C_RCV_HDR_OVF_16, + C_RCV_HDR_OVF_17, + C_RCV_HDR_OVF_18, + C_RCV_HDR_OVF_19, + C_RCV_HDR_OVF_20, + C_RCV_HDR_OVF_21, + C_RCV_HDR_OVF_22, + C_RCV_HDR_OVF_23, + C_RCV_HDR_OVF_24, + C_RCV_HDR_OVF_25, + C_RCV_HDR_OVF_26, + C_RCV_HDR_OVF_27, + C_RCV_HDR_OVF_28, + C_RCV_HDR_OVF_29, + C_RCV_HDR_OVF_30, + C_RCV_HDR_OVF_31, + C_RCV_HDR_OVF_32, + C_RCV_HDR_OVF_33, + C_RCV_HDR_OVF_34, + C_RCV_HDR_OVF_35, + C_RCV_HDR_OVF_36, + C_RCV_HDR_OVF_37, + C_RCV_HDR_OVF_38, + C_RCV_HDR_OVF_39, + C_RCV_HDR_OVF_40, + C_RCV_HDR_OVF_41, + C_RCV_HDR_OVF_42, + C_RCV_HDR_OVF_43, + C_RCV_HDR_OVF_44, + C_RCV_HDR_OVF_45, + C_RCV_HDR_OVF_46, + C_RCV_HDR_OVF_47, + C_RCV_HDR_OVF_48, + C_RCV_HDR_OVF_49, + C_RCV_HDR_OVF_50, + C_RCV_HDR_OVF_51, + C_RCV_HDR_OVF_52, + C_RCV_HDR_OVF_53, + C_RCV_HDR_OVF_54, + C_RCV_HDR_OVF_55, + C_RCV_HDR_OVF_56, + C_RCV_HDR_OVF_57, + C_RCV_HDR_OVF_58, + C_RCV_HDR_OVF_59, + C_RCV_HDR_OVF_60, + C_RCV_HDR_OVF_61, + C_RCV_HDR_OVF_62, + C_RCV_HDR_OVF_63, + C_RCV_HDR_OVF_64, + C_RCV_HDR_OVF_65, + C_RCV_HDR_OVF_66, + C_RCV_HDR_OVF_67, + C_RCV_HDR_OVF_68, + C_RCV_HDR_OVF_69, + C_RCV_HDR_OVF_70, + C_RCV_HDR_OVF_71, + C_RCV_HDR_OVF_72, + C_RCV_HDR_OVF_73, + C_RCV_HDR_OVF_74, + C_RCV_HDR_OVF_75, + C_RCV_HDR_OVF_76, + C_RCV_HDR_OVF_77, + C_RCV_HDR_OVF_78, + C_RCV_HDR_OVF_79, + C_RCV_HDR_OVF_80, + C_RCV_HDR_OVF_81, + C_RCV_HDR_OVF_82, + C_RCV_HDR_OVF_83, + C_RCV_HDR_OVF_84, + C_RCV_HDR_OVF_85, + C_RCV_HDR_OVF_86, + C_RCV_HDR_OVF_87, + C_RCV_HDR_OVF_88, + C_RCV_HDR_OVF_89, + C_RCV_HDR_OVF_90, + C_RCV_HDR_OVF_91, + C_RCV_HDR_OVF_92, + C_RCV_HDR_OVF_93, + C_RCV_HDR_OVF_94, + C_RCV_HDR_OVF_95, + C_RCV_HDR_OVF_96, + C_RCV_HDR_OVF_97, + C_RCV_HDR_OVF_98, + C_RCV_HDR_OVF_99, + C_RCV_HDR_OVF_100, + C_RCV_HDR_OVF_101, + C_RCV_HDR_OVF_102, + C_RCV_HDR_OVF_103, + C_RCV_HDR_OVF_104, + C_RCV_HDR_OVF_105, + C_RCV_HDR_OVF_106, + C_RCV_HDR_OVF_107, + C_RCV_HDR_OVF_108, + C_RCV_HDR_OVF_109, + C_RCV_HDR_OVF_110, + C_RCV_HDR_OVF_111, + C_RCV_HDR_OVF_112, + C_RCV_HDR_OVF_113, + C_RCV_HDR_OVF_114, + C_RCV_HDR_OVF_115, + C_RCV_HDR_OVF_116, + C_RCV_HDR_OVF_117, + C_RCV_HDR_OVF_118, + C_RCV_HDR_OVF_119, + C_RCV_HDR_OVF_120, + C_RCV_HDR_OVF_121, + C_RCV_HDR_OVF_122, + C_RCV_HDR_OVF_123, + C_RCV_HDR_OVF_124, + C_RCV_HDR_OVF_125, + C_RCV_HDR_OVF_126, + C_RCV_HDR_OVF_127, + C_RCV_HDR_OVF_128, + C_RCV_HDR_OVF_129, + C_RCV_HDR_OVF_130, + C_RCV_HDR_OVF_131, + C_RCV_HDR_OVF_132, + C_RCV_HDR_OVF_133, + C_RCV_HDR_OVF_134, + C_RCV_HDR_OVF_135, + C_RCV_HDR_OVF_136, + C_RCV_HDR_OVF_137, + C_RCV_HDR_OVF_138, + C_RCV_HDR_OVF_139, + C_RCV_HDR_OVF_140, + C_RCV_HDR_OVF_141, + C_RCV_HDR_OVF_142, + C_RCV_HDR_OVF_143, + C_RCV_HDR_OVF_144, + C_RCV_HDR_OVF_145, + C_RCV_HDR_OVF_146, + C_RCV_HDR_OVF_147, + C_RCV_HDR_OVF_148, + C_RCV_HDR_OVF_149, + C_RCV_HDR_OVF_150, + C_RCV_HDR_OVF_151, + C_RCV_HDR_OVF_152, + C_RCV_HDR_OVF_153, + C_RCV_HDR_OVF_154, + C_RCV_HDR_OVF_155, + C_RCV_HDR_OVF_156, + C_RCV_HDR_OVF_157, + C_RCV_HDR_OVF_158, + C_RCV_HDR_OVF_159, + PORT_CNTR_LAST /* Must be kept last */ +}; + +u64 get_all_cpu_total(u64 __percpu *cntr); +void hfi1_start_cleanup(struct hfi1_devdata *dd); +void hfi1_clear_tids(struct hfi1_ctxtdata *rcd); +void hfi1_init_ctxt(struct send_context *sc); +void hfi1_put_tid(struct hfi1_devdata *dd, u32 index, + u32 type, unsigned long pa, u16 order); +void hfi1_quiet_serdes(struct hfi1_pportdata *ppd); +void hfi1_rcvctrl(struct hfi1_devdata *dd, unsigned int op, + struct hfi1_ctxtdata *rcd); +u32 hfi1_read_cntrs(struct hfi1_devdata *dd, char **namep, u64 **cntrp); +u32 hfi1_read_portcntrs(struct hfi1_pportdata *ppd, char **namep, u64 **cntrp); +int hfi1_get_ib_cfg(struct hfi1_pportdata *ppd, int which); +int hfi1_set_ib_cfg(struct hfi1_pportdata *ppd, int which, u32 val); +int hfi1_set_ctxt_jkey(struct hfi1_devdata *dd, struct hfi1_ctxtdata *rcd, + u16 jkey); +int hfi1_clear_ctxt_jkey(struct hfi1_devdata *dd, struct hfi1_ctxtdata *ctxt); +int hfi1_set_ctxt_pkey(struct hfi1_devdata *dd, struct hfi1_ctxtdata *ctxt, + u16 pkey); +int hfi1_clear_ctxt_pkey(struct hfi1_devdata *dd, struct hfi1_ctxtdata *ctxt); +void hfi1_read_link_quality(struct hfi1_devdata *dd, u8 *link_quality); +void hfi1_init_vnic_rsm(struct hfi1_devdata *dd); +void hfi1_deinit_vnic_rsm(struct hfi1_devdata *dd); + +irqreturn_t general_interrupt(int irq, void *data); +irqreturn_t sdma_interrupt(int irq, void *data); +irqreturn_t receive_context_interrupt(int irq, void *data); +irqreturn_t receive_context_thread(int irq, void *data); +irqreturn_t receive_context_interrupt_napi(int irq, void *data); + +int set_intr_bits(struct hfi1_devdata *dd, u16 first, u16 last, bool set); +void init_qsfp_int(struct hfi1_devdata *dd); +void clear_all_interrupts(struct hfi1_devdata *dd); +void remap_intr(struct hfi1_devdata *dd, int isrc, int msix_intr); +void remap_sdma_interrupts(struct hfi1_devdata *dd, int engine, int msix_intr); +void reset_interrupts(struct hfi1_devdata *dd); +u8 hfi1_get_qp_map(struct hfi1_devdata *dd, u8 idx); +void hfi1_init_aip_rsm(struct hfi1_devdata *dd); +void hfi1_deinit_aip_rsm(struct hfi1_devdata *dd); + +/* + * Interrupt source table. + * + * Each entry is an interrupt source "type". It is ordered by increasing + * number. + */ +struct is_table { + int start; /* interrupt source type start */ + int end; /* interrupt source type end */ + /* routine that returns the name of the interrupt source */ + char *(*is_name)(char *name, size_t size, unsigned int source); + /* routine to call when receiving an interrupt */ + void (*is_int)(struct hfi1_devdata *dd, unsigned int source); +}; + +#endif /* _CHIP_H */ |