linux/drivers/crypto/qat/qat_dh895xcc/adf_dh895xcc_hw_data.c
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   1/*
   2  This file is provided under a dual BSD/GPLv2 license.  When using or
   3  redistributing this file, you may do so under either license.
   4
   5  GPL LICENSE SUMMARY
   6  Copyright(c) 2014 Intel Corporation.
   7  This program is free software; you can redistribute it and/or modify
   8  it under the terms of version 2 of the GNU General Public License as
   9  published by the Free Software Foundation.
  10
  11  This program is distributed in the hope that it will be useful, but
  12  WITHOUT ANY WARRANTY; without even the implied warranty of
  13  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  General Public License for more details.
  15
  16  Contact Information:
  17  qat-linux@intel.com
  18
  19  BSD LICENSE
  20  Copyright(c) 2014 Intel Corporation.
  21  Redistribution and use in source and binary forms, with or without
  22  modification, are permitted provided that the following conditions
  23  are met:
  24
  25    * Redistributions of source code must retain the above copyright
  26      notice, this list of conditions and the following disclaimer.
  27    * Redistributions in binary form must reproduce the above copyright
  28      notice, this list of conditions and the following disclaimer in
  29      the documentation and/or other materials provided with the
  30      distribution.
  31    * Neither the name of Intel Corporation nor the names of its
  32      contributors may be used to endorse or promote products derived
  33      from this software without specific prior written permission.
  34
  35  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  36  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  37  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  38  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  39  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  40  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  41  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  42  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  43  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  44  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  45  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  46*/
  47#include <adf_accel_devices.h>
  48#include <adf_pf2vf_msg.h>
  49#include <adf_common_drv.h>
  50#include "adf_dh895xcc_hw_data.h"
  51
  52/* Worker thread to service arbiter mappings based on dev SKUs */
  53static const uint32_t thrd_to_arb_map_sku4[] = {
  54        0x12222AAA, 0x11666666, 0x12222AAA, 0x11666666,
  55        0x12222AAA, 0x11222222, 0x12222AAA, 0x11222222,
  56        0x00000000, 0x00000000, 0x00000000, 0x00000000
  57};
  58
  59static const uint32_t thrd_to_arb_map_sku6[] = {
  60        0x12222AAA, 0x11666666, 0x12222AAA, 0x11666666,
  61        0x12222AAA, 0x11222222, 0x12222AAA, 0x11222222,
  62        0x12222AAA, 0x11222222, 0x12222AAA, 0x11222222
  63};
  64
  65static struct adf_hw_device_class dh895xcc_class = {
  66        .name = ADF_DH895XCC_DEVICE_NAME,
  67        .type = DEV_DH895XCC,
  68        .instances = 0
  69};
  70
  71static uint32_t get_accel_mask(uint32_t fuse)
  72{
  73        return (~fuse) >> ADF_DH895XCC_ACCELERATORS_REG_OFFSET &
  74                          ADF_DH895XCC_ACCELERATORS_MASK;
  75}
  76
  77static uint32_t get_ae_mask(uint32_t fuse)
  78{
  79        return (~fuse) & ADF_DH895XCC_ACCELENGINES_MASK;
  80}
  81
  82static uint32_t get_num_accels(struct adf_hw_device_data *self)
  83{
  84        uint32_t i, ctr = 0;
  85
  86        if (!self || !self->accel_mask)
  87                return 0;
  88
  89        for (i = 0; i < ADF_DH895XCC_MAX_ACCELERATORS; i++) {
  90                if (self->accel_mask & (1 << i))
  91                        ctr++;
  92        }
  93        return ctr;
  94}
  95
  96static uint32_t get_num_aes(struct adf_hw_device_data *self)
  97{
  98        uint32_t i, ctr = 0;
  99
 100        if (!self || !self->ae_mask)
 101                return 0;
 102
 103        for (i = 0; i < ADF_DH895XCC_MAX_ACCELENGINES; i++) {
 104                if (self->ae_mask & (1 << i))
 105                        ctr++;
 106        }
 107        return ctr;
 108}
 109
 110static uint32_t get_misc_bar_id(struct adf_hw_device_data *self)
 111{
 112        return ADF_DH895XCC_PMISC_BAR;
 113}
 114
 115static uint32_t get_etr_bar_id(struct adf_hw_device_data *self)
 116{
 117        return ADF_DH895XCC_ETR_BAR;
 118}
 119
 120static uint32_t get_sram_bar_id(struct adf_hw_device_data *self)
 121{
 122        return ADF_DH895XCC_SRAM_BAR;
 123}
 124
 125static enum dev_sku_info get_sku(struct adf_hw_device_data *self)
 126{
 127        int sku = (self->fuses & ADF_DH895XCC_FUSECTL_SKU_MASK)
 128            >> ADF_DH895XCC_FUSECTL_SKU_SHIFT;
 129
 130        switch (sku) {
 131        case ADF_DH895XCC_FUSECTL_SKU_1:
 132                return DEV_SKU_1;
 133        case ADF_DH895XCC_FUSECTL_SKU_2:
 134                return DEV_SKU_2;
 135        case ADF_DH895XCC_FUSECTL_SKU_3:
 136                return DEV_SKU_3;
 137        case ADF_DH895XCC_FUSECTL_SKU_4:
 138                return DEV_SKU_4;
 139        default:
 140                return DEV_SKU_UNKNOWN;
 141        }
 142        return DEV_SKU_UNKNOWN;
 143}
 144
 145static void adf_get_arbiter_mapping(struct adf_accel_dev *accel_dev,
 146                                    u32 const **arb_map_config)
 147{
 148        switch (accel_dev->accel_pci_dev.sku) {
 149        case DEV_SKU_1:
 150                *arb_map_config = thrd_to_arb_map_sku4;
 151                break;
 152
 153        case DEV_SKU_2:
 154        case DEV_SKU_4:
 155                *arb_map_config = thrd_to_arb_map_sku6;
 156                break;
 157        default:
 158                dev_err(&GET_DEV(accel_dev),
 159                        "The configuration doesn't match any SKU");
 160                *arb_map_config = NULL;
 161        }
 162}
 163
 164static uint32_t get_pf2vf_offset(uint32_t i)
 165{
 166        return ADF_DH895XCC_PF2VF_OFFSET(i);
 167}
 168
 169static uint32_t get_vintmsk_offset(uint32_t i)
 170{
 171        return ADF_DH895XCC_VINTMSK_OFFSET(i);
 172}
 173
 174static void adf_enable_error_correction(struct adf_accel_dev *accel_dev)
 175{
 176        struct adf_hw_device_data *hw_device = accel_dev->hw_device;
 177        struct adf_bar *misc_bar = &GET_BARS(accel_dev)[ADF_DH895XCC_PMISC_BAR];
 178        void __iomem *csr = misc_bar->virt_addr;
 179        unsigned int val, i;
 180
 181        /* Enable Accel Engine error detection & correction */
 182        for (i = 0; i < hw_device->get_num_aes(hw_device); i++) {
 183                val = ADF_CSR_RD(csr, ADF_DH895XCC_AE_CTX_ENABLES(i));
 184                val |= ADF_DH895XCC_ENABLE_AE_ECC_ERR;
 185                ADF_CSR_WR(csr, ADF_DH895XCC_AE_CTX_ENABLES(i), val);
 186                val = ADF_CSR_RD(csr, ADF_DH895XCC_AE_MISC_CONTROL(i));
 187                val |= ADF_DH895XCC_ENABLE_AE_ECC_PARITY_CORR;
 188                ADF_CSR_WR(csr, ADF_DH895XCC_AE_MISC_CONTROL(i), val);
 189        }
 190
 191        /* Enable shared memory error detection & correction */
 192        for (i = 0; i < hw_device->get_num_accels(hw_device); i++) {
 193                val = ADF_CSR_RD(csr, ADF_DH895XCC_UERRSSMSH(i));
 194                val |= ADF_DH895XCC_ERRSSMSH_EN;
 195                ADF_CSR_WR(csr, ADF_DH895XCC_UERRSSMSH(i), val);
 196                val = ADF_CSR_RD(csr, ADF_DH895XCC_CERRSSMSH(i));
 197                val |= ADF_DH895XCC_ERRSSMSH_EN;
 198                ADF_CSR_WR(csr, ADF_DH895XCC_CERRSSMSH(i), val);
 199        }
 200}
 201
 202static void adf_enable_ints(struct adf_accel_dev *accel_dev)
 203{
 204        void __iomem *addr;
 205
 206        addr = (&GET_BARS(accel_dev)[ADF_DH895XCC_PMISC_BAR])->virt_addr;
 207
 208        /* Enable bundle and misc interrupts */
 209        ADF_CSR_WR(addr, ADF_DH895XCC_SMIAPF0_MASK_OFFSET,
 210                   accel_dev->pf.vf_info ? 0 :
 211                        GENMASK_ULL(GET_MAX_BANKS(accel_dev) - 1, 0));
 212        ADF_CSR_WR(addr, ADF_DH895XCC_SMIAPF1_MASK_OFFSET,
 213                   ADF_DH895XCC_SMIA1_MASK);
 214}
 215
 216static int adf_pf_enable_vf2pf_comms(struct adf_accel_dev *accel_dev)
 217{
 218        return 0;
 219}
 220
 221void adf_init_hw_data_dh895xcc(struct adf_hw_device_data *hw_data)
 222{
 223        hw_data->dev_class = &dh895xcc_class;
 224        hw_data->instance_id = dh895xcc_class.instances++;
 225        hw_data->num_banks = ADF_DH895XCC_ETR_MAX_BANKS;
 226        hw_data->num_accel = ADF_DH895XCC_MAX_ACCELERATORS;
 227        hw_data->num_logical_accel = 1;
 228        hw_data->num_engines = ADF_DH895XCC_MAX_ACCELENGINES;
 229        hw_data->tx_rx_gap = ADF_DH895XCC_RX_RINGS_OFFSET;
 230        hw_data->tx_rings_mask = ADF_DH895XCC_TX_RINGS_MASK;
 231        hw_data->alloc_irq = adf_isr_resource_alloc;
 232        hw_data->free_irq = adf_isr_resource_free;
 233        hw_data->enable_error_correction = adf_enable_error_correction;
 234        hw_data->get_accel_mask = get_accel_mask;
 235        hw_data->get_ae_mask = get_ae_mask;
 236        hw_data->get_num_accels = get_num_accels;
 237        hw_data->get_num_aes = get_num_aes;
 238        hw_data->get_etr_bar_id = get_etr_bar_id;
 239        hw_data->get_misc_bar_id = get_misc_bar_id;
 240        hw_data->get_pf2vf_offset = get_pf2vf_offset;
 241        hw_data->get_vintmsk_offset = get_vintmsk_offset;
 242        hw_data->get_sram_bar_id = get_sram_bar_id;
 243        hw_data->get_sku = get_sku;
 244        hw_data->fw_name = ADF_DH895XCC_FW;
 245        hw_data->fw_mmp_name = ADF_DH895XCC_MMP;
 246        hw_data->init_admin_comms = adf_init_admin_comms;
 247        hw_data->exit_admin_comms = adf_exit_admin_comms;
 248        hw_data->disable_iov = adf_disable_sriov;
 249        hw_data->send_admin_init = adf_send_admin_init;
 250        hw_data->init_arb = adf_init_arb;
 251        hw_data->exit_arb = adf_exit_arb;
 252        hw_data->get_arb_mapping = adf_get_arbiter_mapping;
 253        hw_data->enable_ints = adf_enable_ints;
 254        hw_data->enable_vf2pf_comms = adf_pf_enable_vf2pf_comms;
 255        hw_data->reset_device = adf_reset_sbr;
 256        hw_data->min_iov_compat_ver = ADF_PFVF_COMPATIBILITY_VERSION;
 257}
 258
 259void adf_clean_hw_data_dh895xcc(struct adf_hw_device_data *hw_data)
 260{
 261        hw_data->dev_class->instances--;
 262}
 263