drivers/crypto/qat/qat_4xxx/adf_4xxx_hw_data.c

   1 // SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only)
   2 /* Copyright(c) 2020 Intel Corporation */
   3 #include <adf_accel_devices.h>
   4 #include <adf_common_drv.h>
   5 #include <adf_pf2vf_msg.h>
   6 #include <adf_gen4_hw_data.h>
   7 #include "adf_4xxx_hw_data.h"
   8 #include "icp_qat_hw.h"
   9
  10 struct adf_fw_config {
  11         u32 ae_mask;
  12         char *obj_name;
  13 };
  14
  15 static struct adf_fw_config adf_4xxx_fw_config[] = {
  16         {0xF0, ADF_4XXX_SYM_OBJ},
  17         {0xF, ADF_4XXX_ASYM_OBJ},
  18         {0x100, ADF_4XXX_ADMIN_OBJ},
  19 };
  20
  21 /* Worker thread to service arbiter mappings */
  22 static u32 thrd_to_arb_map[] = {
  23         0x5555555, 0x5555555, 0x5555555, 0x5555555,
  24         0xAAAAAAA, 0xAAAAAAA, 0xAAAAAAA, 0xAAAAAAA,
  25         0x0
  26 };
  27
  28 static struct adf_hw_device_class adf_4xxx_class = {
  29         .name = ADF_4XXX_DEVICE_NAME,
  30         .type = DEV_4XXX,
  31         .instances = 0,
  32 };
  33
  34 static u32 get_accel_mask(struct adf_hw_device_data *self)
  35 {
  36         return ADF_4XXX_ACCELERATORS_MASK;
  37 }
  38
  39 static u32 get_ae_mask(struct adf_hw_device_data *self)
  40 {
  41         u32 me_disable = self->fuses;
  42
  43         return ~me_disable & ADF_4XXX_ACCELENGINES_MASK;
  44 }
  45
  46 static u32 get_num_accels(struct adf_hw_device_data *self)
  47 {
  48         return ADF_4XXX_MAX_ACCELERATORS;
  49 }
  50
  51 static u32 get_num_aes(struct adf_hw_device_data *self)
  52 {
  53         if (!self || !self->ae_mask)
  54                 return 0;
  55
  56         return hweight32(self->ae_mask);
  57 }
  58
  59 static u32 get_misc_bar_id(struct adf_hw_device_data *self)
  60 {
  61         return ADF_4XXX_PMISC_BAR;
  62 }
  63
  64 static u32 get_etr_bar_id(struct adf_hw_device_data *self)
  65 {
  66         return ADF_4XXX_ETR_BAR;
  67 }
  68
  69 static u32 get_sram_bar_id(struct adf_hw_device_data *self)
  70 {
  71         return ADF_4XXX_SRAM_BAR;
  72 }
  73
  74 /*
  75  * The vector routing table is used to select the MSI-X entry to use for each
  76  * interrupt source.
  77  * The first ADF_4XXX_ETR_MAX_BANKS entries correspond to ring interrupts.
  78  * The final entry corresponds to VF2PF or error interrupts.
  79  * This vector table could be used to configure one MSI-X entry to be shared
  80  * between multiple interrupt sources.
  81  *
  82  * The default routing is set to have a one to one correspondence between the
  83  * interrupt source and the MSI-X entry used.
  84  */
  85 static void set_msix_default_rttable(struct adf_accel_dev *accel_dev)
  86 {
  87         void __iomem *csr;
  88         int i;
  89
  90         csr = (&GET_BARS(accel_dev)[ADF_4XXX_PMISC_BAR])->virt_addr;
  91         for (i = 0; i <= ADF_4XXX_ETR_MAX_BANKS; i++)
  92                 ADF_CSR_WR(csr, ADF_4XXX_MSIX_RTTABLE_OFFSET(i), i);
  93 }
  94
  95 static u32 get_accel_cap(struct adf_accel_dev *accel_dev)
  96 {
  97         struct pci_dev *pdev = accel_dev->accel_pci_dev.pci_dev;
  98         u32 fusectl1;
  99         u32 capabilities = ICP_ACCEL_CAPABILITIES_CRYPTO_SYMMETRIC |
 100                            ICP_ACCEL_CAPABILITIES_CRYPTO_ASYMMETRIC |
 101                            ICP_ACCEL_CAPABILITIES_AUTHENTICATION |
 102                            ICP_ACCEL_CAPABILITIES_AES_V2;
 103
 104         /* Read accelerator capabilities mask */
 105         pci_read_config_dword(pdev, ADF_4XXX_FUSECTL1_OFFSET, &fusectl1);
 106
 107         if (fusectl1 & ICP_ACCEL_4XXX_MASK_CIPHER_SLICE)
 108                 capabilities &= ~ICP_ACCEL_CAPABILITIES_CRYPTO_SYMMETRIC;
 109         if (fusectl1 & ICP_ACCEL_4XXX_MASK_AUTH_SLICE)
 110                 capabilities &= ~ICP_ACCEL_CAPABILITIES_AUTHENTICATION;
 111         if (fusectl1 & ICP_ACCEL_4XXX_MASK_PKE_SLICE)
 112                 capabilities &= ~ICP_ACCEL_CAPABILITIES_CRYPTO_ASYMMETRIC;
 113
 114         return capabilities;
 115 }
 116
 117 static enum dev_sku_info get_sku(struct adf_hw_device_data *self)
 118 {
 119         return DEV_SKU_1;
 120 }
 121
 122 static void adf_get_arbiter_mapping(struct adf_accel_dev *accel_dev,
 123                                     u32 const **arb_map_config)
 124 {
 125         struct adf_hw_device_data *hw_device = accel_dev->hw_device;
 126         unsigned long ae_mask = hw_device->ae_mask;
 127         int i;
 128
 129         for_each_clear_bit(i, &ae_mask, ADF_4XXX_MAX_ACCELENGINES)
 130                 thrd_to_arb_map[i] = 0;
 131
 132         *arb_map_config = thrd_to_arb_map;
 133 }
 134
 135 static void get_arb_info(struct arb_info *arb_info)
 136 {
 137         arb_info->arb_cfg = ADF_4XXX_ARB_CONFIG;
 138         arb_info->arb_offset = ADF_4XXX_ARB_OFFSET;
 139         arb_info->wt2sam_offset = ADF_4XXX_ARB_WRK_2_SER_MAP_OFFSET;
 140 }
 141
 142 static void get_admin_info(struct admin_info *admin_csrs_info)
 143 {
 144         admin_csrs_info->mailbox_offset = ADF_4XXX_MAILBOX_BASE_OFFSET;
 145         admin_csrs_info->admin_msg_ur = ADF_4XXX_ADMINMSGUR_OFFSET;
 146         admin_csrs_info->admin_msg_lr = ADF_4XXX_ADMINMSGLR_OFFSET;
 147 }
 148
 149 static void adf_enable_error_correction(struct adf_accel_dev *accel_dev)
 150 {
 151         struct adf_bar *misc_bar = &GET_BARS(accel_dev)[ADF_4XXX_PMISC_BAR];
 152         void __iomem *csr = misc_bar->virt_addr;
 153
 154         /* Enable all in errsou3 except VFLR notification on host */
 155         ADF_CSR_WR(csr, ADF_4XXX_ERRMSK3, ADF_4XXX_VFLNOTIFY);
 156 }
 157
 158 static void adf_enable_ints(struct adf_accel_dev *accel_dev)
 159 {
 160         void __iomem *addr;
 161
 162         addr = (&GET_BARS(accel_dev)[ADF_4XXX_PMISC_BAR])->virt_addr;
 163
 164         /* Enable bundle interrupts */
 165         ADF_CSR_WR(addr, ADF_4XXX_SMIAPF_RP_X0_MASK_OFFSET, 0);
 166         ADF_CSR_WR(addr, ADF_4XXX_SMIAPF_RP_X1_MASK_OFFSET, 0);
 167
 168         /* Enable misc interrupts */
 169         ADF_CSR_WR(addr, ADF_4XXX_SMIAPF_MASK_OFFSET, 0);
 170 }
 171
 172 static int adf_pf_enable_vf2pf_comms(struct adf_accel_dev *accel_dev)
 173 {
 174         return 0;
 175 }
 176
 177 static u32 uof_get_num_objs(void)
 178 {
 179         return ARRAY_SIZE(adf_4xxx_fw_config);
 180 }
 181
 182 static char *uof_get_name(u32 obj_num)
 183 {
 184         return adf_4xxx_fw_config[obj_num].obj_name;
 185 }
 186
 187 static u32 uof_get_ae_mask(u32 obj_num)
 188 {
 189         return adf_4xxx_fw_config[obj_num].ae_mask;
 190 }
 191
 192 void adf_init_hw_data_4xxx(struct adf_hw_device_data *hw_data)
 193 {
 194         hw_data->dev_class = &adf_4xxx_class;
 195         hw_data->instance_id = adf_4xxx_class.instances++;
 196         hw_data->num_banks = ADF_4XXX_ETR_MAX_BANKS;
 197         hw_data->num_rings_per_bank = ADF_4XXX_NUM_RINGS_PER_BANK;
 198         hw_data->num_accel = ADF_4XXX_MAX_ACCELERATORS;
 199         hw_data->num_engines = ADF_4XXX_MAX_ACCELENGINES;
 200         hw_data->num_logical_accel = 1;
 201         hw_data->tx_rx_gap = ADF_4XXX_RX_RINGS_OFFSET;
 202         hw_data->tx_rings_mask = ADF_4XXX_TX_RINGS_MASK;
 203         hw_data->alloc_irq = adf_isr_resource_alloc;
 204         hw_data->free_irq = adf_isr_resource_free;
 205         hw_data->enable_error_correction = adf_enable_error_correction;
 206         hw_data->get_accel_mask = get_accel_mask;
 207         hw_data->get_ae_mask = get_ae_mask;
 208         hw_data->get_num_accels = get_num_accels;
 209         hw_data->get_num_aes = get_num_aes;
 210         hw_data->get_sram_bar_id = get_sram_bar_id;
 211         hw_data->get_etr_bar_id = get_etr_bar_id;
 212         hw_data->get_misc_bar_id = get_misc_bar_id;
 213         hw_data->get_arb_info = get_arb_info;
 214         hw_data->get_admin_info = get_admin_info;
 215         hw_data->get_accel_cap = get_accel_cap;
 216         hw_data->get_sku = get_sku;
 217         hw_data->fw_name = ADF_4XXX_FW;
 218         hw_data->fw_mmp_name = ADF_4XXX_MMP;
 219         hw_data->init_admin_comms = adf_init_admin_comms;
 220         hw_data->exit_admin_comms = adf_exit_admin_comms;
 221         hw_data->disable_iov = adf_disable_sriov;
 222         hw_data->send_admin_init = adf_send_admin_init;
 223         hw_data->init_arb = adf_init_arb;
 224         hw_data->exit_arb = adf_exit_arb;
 225         hw_data->get_arb_mapping = adf_get_arbiter_mapping;
 226         hw_data->enable_ints = adf_enable_ints;
 227         hw_data->enable_vf2pf_comms = adf_pf_enable_vf2pf_comms;
 228         hw_data->reset_device = adf_reset_flr;
 229         hw_data->min_iov_compat_ver = ADF_PFVF_COMPATIBILITY_VERSION;
 230         hw_data->admin_ae_mask = ADF_4XXX_ADMIN_AE_MASK;
 231         hw_data->uof_get_num_objs = uof_get_num_objs;
 232         hw_data->uof_get_name = uof_get_name;
 233         hw_data->uof_get_ae_mask = uof_get_ae_mask;
 234         hw_data->set_msix_rttable = set_msix_default_rttable;
 235
 236         adf_gen4_init_hw_csr_ops(&hw_data->csr_ops);
 237 }
 238
 239 void adf_clean_hw_data_4xxx(struct adf_hw_device_data *hw_data)
 240 {
 241         hw_data->dev_class->instances--;
 242 }