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// SPDX-License-Identifier: GPL-2.0-only
/* Copyright(c) 2023 Intel Corporation */
#include "adf_accel_devices.h"
#include "adf_cfg.h"
#include "adf_cfg_services.h"
#include "adf_cfg_strings.h"
#include "adf_common_drv.h"
#include "adf_gen4_config.h"
#include "adf_heartbeat.h"
#include "adf_transport_access_macros.h"
#include "qat_compression.h"
#include "qat_crypto.h"
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);
int cpus = num_online_cpus();
unsigned long bank, val;
int instances;
int ret;
int i;
if (adf_hw_dev_has_crypto(accel_dev))
instances = min(cpus, banks / 2);
else
instances = 0;
for (i = 0; i < instances; i++) {
val = i;
bank = i * 2;
snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_ASYM_BANK_NUM, i);
ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC,
key, &bank, ADF_DEC);
if (ret)
goto err;
bank += 1;
snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_SYM_BANK_NUM, i);
ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC,
key, &bank, ADF_DEC);
if (ret)
goto err;
snprintf(key, sizeof(key), ADF_CY "%d" ADF_ETRMGR_CORE_AFFINITY,
i);
ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC,
key, &val, ADF_DEC);
if (ret)
goto err;
snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_ASYM_SIZE, i);
val = 128;
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_CY "%d" ADF_RING_SYM_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_CY "%d" ADF_RING_ASYM_TX, 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_CY "%d" ADF_RING_SYM_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_CY "%d" ADF_RING_ASYM_RX, 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_CY "%d" ADF_RING_SYM_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_CY,
&val, ADF_DEC);
if (ret)
goto err;
val = 0;
ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, ADF_NUM_DC,
&val, ADF_DEC);
if (ret)
goto err;
return 0;
err:
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;
}
static int adf_no_dev_config(struct adf_accel_dev *accel_dev)
{
unsigned long val;
int ret;
val = 0;
ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, ADF_NUM_DC,
&val, ADF_DEC);
if (ret)
return ret;
return adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, ADF_NUM_CY,
&val, ADF_DEC);
}
/**
* adf_gen4_dev_config() - create dev config required to create instances
*
* @accel_dev: Pointer to acceleration device.
*
* Function creates device configuration required to create instances
*
* Return: 0 on success, error code otherwise.
*/
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(adf_cfg_services, services);
if (ret < 0)
goto err;
switch (ret) {
case SVC_CY:
case SVC_CY2:
ret = adf_crypto_dev_config(accel_dev);
break;
case SVC_DC:
case SVC_DCC:
ret = adf_comp_dev_config(accel_dev);
break;
default:
ret = adf_no_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;
}
EXPORT_SYMBOL_GPL(adf_gen4_dev_config);
int adf_gen4_cfg_dev_init(struct adf_accel_dev *accel_dev)
{
const char *config;
int ret;
config = accel_dev->accel_id % 2 ? ADF_CFG_DC : ADF_CFG_CY;
ret = adf_cfg_section_add(accel_dev, ADF_GENERAL_SEC);
if (ret)
return ret;
/* Default configuration is crypto only for even devices
* and compression for odd devices
*/
ret = adf_cfg_add_key_value_param(accel_dev, ADF_GENERAL_SEC,
ADF_SERVICES_ENABLED, config,
ADF_STR);
if (ret)
return ret;
adf_heartbeat_save_cfg_param(accel_dev, ADF_CFG_HB_TIMER_MIN_MS);
return 0;
}
EXPORT_SYMBOL_GPL(adf_gen4_cfg_dev_init);
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