diff options
Diffstat (limited to 'drivers/crypto/qat/qat_4xxx/adf_drv.c')
| -rw-r--r-- | drivers/crypto/qat/qat_4xxx/adf_drv.c | 139 |
1 files changed, 127 insertions, 12 deletions
diff --git a/drivers/crypto/qat/qat_4xxx/adf_drv.c b/drivers/crypto/qat/qat_4xxx/adf_drv.c index 8496c451b48e..b3a4c7b23864 100644 --- a/drivers/crypto/qat/qat_4xxx/adf_drv.c +++ b/drivers/crypto/qat/qat_4xxx/adf_drv.c @@ -9,6 +9,7 @@ #include <adf_common_drv.h> #include "adf_4xxx_hw_data.h" +#include "qat_compression.h" #include "qat_crypto.h" #include "adf_transport_access_macros.h" @@ -19,6 +20,16 @@ static const struct pci_device_id adf_pci_tbl[] = { }; MODULE_DEVICE_TABLE(pci, adf_pci_tbl); +enum configs { + DEV_CFG_CY = 0, + DEV_CFG_DC, +}; + +static const char * const services_operations[] = { + ADF_CFG_CY, + ADF_CFG_DC, +}; + static void adf_cleanup_accel(struct adf_accel_dev *accel_dev) { if (accel_dev->hw_device) { @@ -53,7 +64,7 @@ static int adf_cfg_dev_init(struct adf_accel_dev *accel_dev) return 0; } -int adf_crypto_dev_config(struct adf_accel_dev *accel_dev) +static int adf_crypto_dev_config(struct adf_accel_dev *accel_dev) { char key[ADF_CFG_MAX_KEY_LEN_IN_BYTES]; int banks = GET_MAX_BANKS(accel_dev); @@ -68,14 +79,6 @@ int adf_crypto_dev_config(struct adf_accel_dev *accel_dev) else instances = 0; - ret = adf_cfg_section_add(accel_dev, ADF_KERNEL_SEC); - if (ret) - goto err; - - ret = adf_cfg_section_add(accel_dev, "Accelerator0"); - if (ret) - goto err; - for (i = 0; i < instances; i++) { val = i; bank = i * 2; @@ -161,10 +164,122 @@ int adf_crypto_dev_config(struct adf_accel_dev *accel_dev) if (ret) goto err; - set_bit(ADF_STATUS_CONFIGURED, &accel_dev->status); return 0; err: - dev_err(&GET_DEV(accel_dev), "Failed to start QAT accel dev\n"); + dev_err(&GET_DEV(accel_dev), "Failed to add configuration for crypto\n"); + return ret; +} + +static int adf_comp_dev_config(struct adf_accel_dev *accel_dev) +{ + char key[ADF_CFG_MAX_KEY_LEN_IN_BYTES]; + int banks = GET_MAX_BANKS(accel_dev); + int cpus = num_online_cpus(); + unsigned long val; + int instances; + int ret; + int i; + + if (adf_hw_dev_has_compression(accel_dev)) + instances = min(cpus, banks); + else + instances = 0; + + for (i = 0; i < instances; i++) { + val = i; + snprintf(key, sizeof(key), ADF_DC "%d" ADF_RING_DC_BANK_NUM, i); + ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, + key, &val, ADF_DEC); + if (ret) + goto err; + + val = 512; + snprintf(key, sizeof(key), ADF_DC "%d" ADF_RING_DC_SIZE, i); + ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, + key, &val, ADF_DEC); + if (ret) + goto err; + + val = 0; + snprintf(key, sizeof(key), ADF_DC "%d" ADF_RING_DC_TX, i); + ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, + key, &val, ADF_DEC); + if (ret) + goto err; + + val = 1; + snprintf(key, sizeof(key), ADF_DC "%d" ADF_RING_DC_RX, i); + ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, + key, &val, ADF_DEC); + if (ret) + goto err; + + val = ADF_COALESCING_DEF_TIME; + snprintf(key, sizeof(key), ADF_ETRMGR_COALESCE_TIMER_FORMAT, i); + ret = adf_cfg_add_key_value_param(accel_dev, "Accelerator0", + key, &val, ADF_DEC); + if (ret) + goto err; + } + + val = i; + ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, ADF_NUM_DC, + &val, ADF_DEC); + if (ret) + goto err; + + val = 0; + ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, ADF_NUM_CY, + &val, ADF_DEC); + if (ret) + goto err; + + return 0; +err: + dev_err(&GET_DEV(accel_dev), "Failed to add configuration for compression\n"); + return ret; +} + +int adf_gen4_dev_config(struct adf_accel_dev *accel_dev) +{ + char services[ADF_CFG_MAX_VAL_LEN_IN_BYTES] = {0}; + int ret; + + ret = adf_cfg_section_add(accel_dev, ADF_KERNEL_SEC); + if (ret) + goto err; + + ret = adf_cfg_section_add(accel_dev, "Accelerator0"); + if (ret) + goto err; + + ret = adf_cfg_get_param_value(accel_dev, ADF_GENERAL_SEC, + ADF_SERVICES_ENABLED, services); + if (ret) + goto err; + + ret = sysfs_match_string(services_operations, services); + if (ret < 0) + goto err; + + switch (ret) { + case DEV_CFG_CY: + ret = adf_crypto_dev_config(accel_dev); + break; + case DEV_CFG_DC: + ret = adf_comp_dev_config(accel_dev); + break; + } + + if (ret) + goto err; + + set_bit(ADF_STATUS_CONFIGURED, &accel_dev->status); + + return ret; + +err: + dev_err(&GET_DEV(accel_dev), "Failed to configure QAT driver\n"); return ret; } @@ -300,7 +415,7 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) if (ret) goto out_err_disable_aer; - ret = adf_crypto_dev_config(accel_dev); + ret = hw_data->dev_config(accel_dev); if (ret) goto out_err_disable_aer; |