diff options
Diffstat (limited to 'drivers/crypto/qat/qat_dh895xcc/adf_dh895xcc_hw_data.c')
| -rw-r--r-- | drivers/crypto/qat/qat_dh895xcc/adf_dh895xcc_hw_data.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/crypto/qat/qat_dh895xcc/adf_dh895xcc_hw_data.c b/drivers/crypto/qat/qat_dh895xcc/adf_dh895xcc_hw_data.c index 2e7017a3ad46..7970ebb67f28 100644 --- a/drivers/crypto/qat/qat_dh895xcc/adf_dh895xcc_hw_data.c +++ b/drivers/crypto/qat/qat_dh895xcc/adf_dh895xcc_hw_data.c @@ -5,6 +5,7 @@ #include <adf_common_drv.h> #include <adf_gen2_hw_data.h> #include "adf_dh895xcc_hw_data.h" +#include "icp_qat_hw.h" /* Worker thread to service arbiter mappings based on dev SKUs */ static const u32 thrd_to_arb_map_sku4[] = { @@ -83,6 +84,29 @@ static u32 get_sram_bar_id(struct adf_hw_device_data *self) return ADF_DH895XCC_SRAM_BAR; } +static u32 get_accel_cap(struct adf_accel_dev *accel_dev) +{ + struct pci_dev *pdev = accel_dev->accel_pci_dev.pci_dev; + u32 capabilities; + u32 legfuses; + + capabilities = ICP_ACCEL_CAPABILITIES_CRYPTO_SYMMETRIC | + ICP_ACCEL_CAPABILITIES_CRYPTO_ASYMMETRIC | + ICP_ACCEL_CAPABILITIES_AUTHENTICATION; + + /* Read accelerator capabilities mask */ + pci_read_config_dword(pdev, ADF_DEVICE_LEGFUSE_OFFSET, &legfuses); + + if (legfuses & ICP_ACCEL_MASK_CIPHER_SLICE) + capabilities &= ~ICP_ACCEL_CAPABILITIES_CRYPTO_SYMMETRIC; + if (legfuses & ICP_ACCEL_MASK_PKE_SLICE) + capabilities &= ~ICP_ACCEL_CAPABILITIES_CRYPTO_ASYMMETRIC; + if (legfuses & ICP_ACCEL_MASK_AUTH_SLICE) + capabilities &= ~ICP_ACCEL_CAPABILITIES_AUTHENTICATION; + + return capabilities; +} + static enum dev_sku_info get_sku(struct adf_hw_device_data *self) { int sku = (self->fuses & ADF_DH895XCC_FUSECTL_SKU_MASK) @@ -204,6 +228,7 @@ void adf_init_hw_data_dh895xcc(struct adf_hw_device_data *hw_data) hw_data->enable_error_correction = adf_enable_error_correction; hw_data->get_accel_mask = get_accel_mask; hw_data->get_ae_mask = get_ae_mask; + hw_data->get_accel_cap = get_accel_cap; hw_data->get_num_accels = get_num_accels; hw_data->get_num_aes = get_num_aes; hw_data->get_etr_bar_id = get_etr_bar_id; |