drivers/crypto/qat/qat_c62x/adf_c62x_hw_data.c

   1 // SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only)
   2 /* Copyright(c) 2014 - 2020 Intel Corporation */
   3 #include <adf_accel_devices.h>
   4 #include <adf_common_drv.h>
   5 #include <adf_pf2vf_msg.h>
   6 #include <adf_gen2_hw_data.h>
   7 #include "adf_c62x_hw_data.h"
   8 #include "icp_qat_hw.h"
   9
  10 /* Worker thread to service arbiter mappings */
  11 static const u32 thrd_to_arb_map[ADF_C62X_MAX_ACCELENGINES] = {
  12         0x12222AAA, 0x11222AAA, 0x12222AAA, 0x11222AAA, 0x12222AAA,
  13         0x11222AAA, 0x12222AAA, 0x11222AAA, 0x12222AAA, 0x11222AAA
  14 };
  15
  16 static struct adf_hw_device_class c62x_class = {
  17         .name = ADF_C62X_DEVICE_NAME,
  18         .type = DEV_C62X,
  19         .instances = 0
  20 };
  21
  22 static u32 get_accel_mask(struct adf_hw_device_data *self)
  23 {
  24         u32 straps = self->straps;
  25         u32 fuses = self->fuses;
  26         u32 accel;
  27
  28         accel = ~(fuses | straps) >> ADF_C62X_ACCELERATORS_REG_OFFSET;
  29         accel &= ADF_C62X_ACCELERATORS_MASK;
  30
  31         return accel;
  32 }
  33
  34 static u32 get_ae_mask(struct adf_hw_device_data *self)
  35 {
  36         u32 straps = self->straps;
  37         u32 fuses = self->fuses;
  38         unsigned long disabled;
  39         u32 ae_disable;
  40         int accel;
  41
  42         /* If an accel is disabled, then disable the corresponding two AEs */
  43         disabled = ~get_accel_mask(self) & ADF_C62X_ACCELERATORS_MASK;
  44         ae_disable = BIT(1) | BIT(0);
  45         for_each_set_bit(accel, &disabled, ADF_C62X_MAX_ACCELERATORS)
  46                 straps |= ae_disable << (accel << 1);
  47
  48         return ~(fuses | straps) & ADF_C62X_ACCELENGINES_MASK;
  49 }
  50
  51 static u32 get_num_accels(struct adf_hw_device_data *self)
  52 {
  53         u32 i, ctr = 0;
  54
  55         if (!self || !self->accel_mask)
  56                 return 0;
  57
  58         for (i = 0; i < ADF_C62X_MAX_ACCELERATORS; i++) {
  59                 if (self->accel_mask & (1 << i))
  60                         ctr++;
  61         }
  62         return ctr;
  63 }
  64
  65 static u32 get_num_aes(struct adf_hw_device_data *self)
  66 {
  67         u32 i, ctr = 0;
  68
  69         if (!self || !self->ae_mask)
  70                 return 0;
  71
  72         for (i = 0; i < ADF_C62X_MAX_ACCELENGINES; i++) {
  73                 if (self->ae_mask & (1 << i))
  74                         ctr++;
  75         }
  76         return ctr;
  77 }
  78
  79 static u32 get_misc_bar_id(struct adf_hw_device_data *self)
  80 {
  81         return ADF_C62X_PMISC_BAR;
  82 }
  83
  84 static u32 get_etr_bar_id(struct adf_hw_device_data *self)
  85 {
  86         return ADF_C62X_ETR_BAR;
  87 }
  88
  89 static u32 get_sram_bar_id(struct adf_hw_device_data *self)
  90 {
  91         return ADF_C62X_SRAM_BAR;
  92 }
  93
  94 static enum dev_sku_info get_sku(struct adf_hw_device_data *self)
  95 {
  96         int aes = get_num_aes(self);
  97
  98         if (aes == 8)
  99                 return DEV_SKU_2;
 100         else if (aes == 10)
 101                 return DEV_SKU_4;
 102
 103         return DEV_SKU_UNKNOWN;
 104 }
 105
 106 static const u32 *adf_get_arbiter_mapping(void)
 107 {
 108         return thrd_to_arb_map;
 109 }
 110
 111 static u32 get_pf2vf_offset(u32 i)
 112 {
 113         return ADF_C62X_PF2VF_OFFSET(i);
 114 }
 115
 116 static void adf_enable_error_correction(struct adf_accel_dev *accel_dev)
 117 {
 118         struct adf_hw_device_data *hw_device = accel_dev->hw_device;
 119         struct adf_bar *misc_bar = &GET_BARS(accel_dev)[ADF_C62X_PMISC_BAR];
 120         unsigned long accel_mask = hw_device->accel_mask;
 121         unsigned long ae_mask = hw_device->ae_mask;
 122         void __iomem *csr = misc_bar->virt_addr;
 123         unsigned int val, i;
 124
 125         /* Enable Accel Engine error detection & correction */
 126         for_each_set_bit(i, &ae_mask, GET_MAX_ACCELENGINES(accel_dev)) {
 127                 val = ADF_CSR_RD(csr, ADF_C62X_AE_CTX_ENABLES(i));
 128                 val |= ADF_C62X_ENABLE_AE_ECC_ERR;
 129                 ADF_CSR_WR(csr, ADF_C62X_AE_CTX_ENABLES(i), val);
 130                 val = ADF_CSR_RD(csr, ADF_C62X_AE_MISC_CONTROL(i));
 131                 val |= ADF_C62X_ENABLE_AE_ECC_PARITY_CORR;
 132                 ADF_CSR_WR(csr, ADF_C62X_AE_MISC_CONTROL(i), val);
 133         }
 134
 135         /* Enable shared memory error detection & correction */
 136         for_each_set_bit(i, &accel_mask, ADF_C62X_MAX_ACCELERATORS) {
 137                 val = ADF_CSR_RD(csr, ADF_C62X_UERRSSMSH(i));
 138                 val |= ADF_C62X_ERRSSMSH_EN;
 139                 ADF_CSR_WR(csr, ADF_C62X_UERRSSMSH(i), val);
 140                 val = ADF_CSR_RD(csr, ADF_C62X_CERRSSMSH(i));
 141                 val |= ADF_C62X_ERRSSMSH_EN;
 142                 ADF_CSR_WR(csr, ADF_C62X_CERRSSMSH(i), val);
 143         }
 144 }
 145
 146 static void adf_enable_ints(struct adf_accel_dev *accel_dev)
 147 {
 148         void __iomem *addr;
 149
 150         addr = (&GET_BARS(accel_dev)[ADF_C62X_PMISC_BAR])->virt_addr;
 151
 152         /* Enable bundle and misc interrupts */
 153         ADF_CSR_WR(addr, ADF_C62X_SMIAPF0_MASK_OFFSET,
 154                    ADF_C62X_SMIA0_MASK);
 155         ADF_CSR_WR(addr, ADF_C62X_SMIAPF1_MASK_OFFSET,
 156                    ADF_C62X_SMIA1_MASK);
 157 }
 158
 159 static int adf_enable_pf2vf_comms(struct adf_accel_dev *accel_dev)
 160 {
 161         spin_lock_init(&accel_dev->pf.vf2pf_ints_lock);
 162
 163         return 0;
 164 }
 165
 166 static void configure_iov_threads(struct adf_accel_dev *accel_dev, bool enable)
 167 {
 168         adf_gen2_cfg_iov_thds(accel_dev, enable,
 169                               ADF_C62X_AE2FUNC_MAP_GRP_A_NUM_REGS,
 170                               ADF_C62X_AE2FUNC_MAP_GRP_B_NUM_REGS);
 171 }
 172
 173 void adf_init_hw_data_c62x(struct adf_hw_device_data *hw_data)
 174 {
 175         hw_data->dev_class = &c62x_class;
 176         hw_data->instance_id = c62x_class.instances++;
 177         hw_data->num_banks = ADF_C62X_ETR_MAX_BANKS;
 178         hw_data->num_rings_per_bank = ADF_ETR_MAX_RINGS_PER_BANK;
 179         hw_data->num_accel = ADF_C62X_MAX_ACCELERATORS;
 180         hw_data->num_logical_accel = 1;
 181         hw_data->num_engines = ADF_C62X_MAX_ACCELENGINES;
 182         hw_data->tx_rx_gap = ADF_C62X_RX_RINGS_OFFSET;
 183         hw_data->tx_rings_mask = ADF_C62X_TX_RINGS_MASK;
 184         hw_data->alloc_irq = adf_isr_resource_alloc;
 185         hw_data->free_irq = adf_isr_resource_free;
 186         hw_data->enable_error_correction = adf_enable_error_correction;
 187         hw_data->get_accel_mask = get_accel_mask;
 188         hw_data->get_ae_mask = get_ae_mask;
 189         hw_data->get_accel_cap = adf_gen2_get_accel_cap;
 190         hw_data->get_num_accels = get_num_accels;
 191         hw_data->get_num_aes = get_num_aes;
 192         hw_data->get_sram_bar_id = get_sram_bar_id;
 193         hw_data->get_etr_bar_id = get_etr_bar_id;
 194         hw_data->get_misc_bar_id = get_misc_bar_id;
 195         hw_data->get_admin_info = adf_gen2_get_admin_info;
 196         hw_data->get_arb_info = adf_gen2_get_arb_info;
 197         hw_data->get_sku = get_sku;
 198         hw_data->fw_name = ADF_C62X_FW;
 199         hw_data->fw_mmp_name = ADF_C62X_MMP;
 200         hw_data->init_admin_comms = adf_init_admin_comms;
 201         hw_data->exit_admin_comms = adf_exit_admin_comms;
 202         hw_data->configure_iov_threads = configure_iov_threads;
 203         hw_data->send_admin_init = adf_send_admin_init;
 204         hw_data->init_arb = adf_init_arb;
 205         hw_data->exit_arb = adf_exit_arb;
 206         hw_data->get_arb_mapping = adf_get_arbiter_mapping;
 207         hw_data->enable_ints = adf_enable_ints;
 208         hw_data->reset_device = adf_reset_flr;
 209         hw_data->set_ssm_wdtimer = adf_gen2_set_ssm_wdtimer;
 210         hw_data->get_pf2vf_offset = get_pf2vf_offset;
 211         hw_data->enable_pfvf_comms = adf_enable_pf2vf_comms;
 212         hw_data->disable_iov = adf_disable_sriov;
 213         hw_data->min_iov_compat_ver = ADF_PFVF_COMPAT_THIS_VERSION;
 214
 215         adf_gen2_init_hw_csr_ops(&hw_data->csr_ops);
 216 }
 217
 218 void adf_clean_hw_data_c62x(struct adf_hw_device_data *hw_data)
 219 {
 220         hw_data->dev_class->instances--;
 221 }