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| 1 | +// SPDX-License-Identifier: GPL-2.0-only |
| 2 | +/* Copyright(c) 2022 Intel Corporation */ |
| 3 | +#include "adf_accel_devices.h" |
| 4 | +#include "adf_cfg.h" |
| 5 | +#include "adf_cfg_strings.h" |
| 6 | +#include "adf_gen2_config.h" |
| 7 | +#include "adf_common_drv.h" |
| 8 | +#include "qat_crypto.h" |
| 9 | +#include "adf_transport_access_macros.h" |
| 10 | + |
| 11 | +static int adf_gen2_crypto_dev_config(struct adf_accel_dev *accel_dev) |
| 12 | +{ |
| 13 | + char key[ADF_CFG_MAX_KEY_LEN_IN_BYTES]; |
| 14 | + int banks = GET_MAX_BANKS(accel_dev); |
| 15 | + int cpus = num_online_cpus(); |
| 16 | + unsigned long val; |
| 17 | + int instances; |
| 18 | + int ret; |
| 19 | + int i; |
| 20 | + |
| 21 | + if (adf_hw_dev_has_crypto(accel_dev)) |
| 22 | + instances = min(cpus, banks); |
| 23 | + else |
| 24 | + instances = 0; |
| 25 | + |
| 26 | + ret = adf_cfg_section_add(accel_dev, ADF_KERNEL_SEC); |
| 27 | + if (ret) |
| 28 | + goto err; |
| 29 | + |
| 30 | + ret = adf_cfg_section_add(accel_dev, "Accelerator0"); |
| 31 | + if (ret) |
| 32 | + goto err; |
| 33 | + |
| 34 | + for (i = 0; i < instances; i++) { |
| 35 | + val = i; |
| 36 | + snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_ASYM_BANK_NUM, i); |
| 37 | + ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, |
| 38 | + key, &val, ADF_DEC); |
| 39 | + if (ret) |
| 40 | + goto err; |
| 41 | + |
| 42 | + snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_SYM_BANK_NUM, i); |
| 43 | + ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, |
| 44 | + key, &val, ADF_DEC); |
| 45 | + if (ret) |
| 46 | + goto err; |
| 47 | + |
| 48 | + snprintf(key, sizeof(key), ADF_CY "%d" ADF_ETRMGR_CORE_AFFINITY, |
| 49 | + i); |
| 50 | + ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, |
| 51 | + key, &val, ADF_DEC); |
| 52 | + if (ret) |
| 53 | + goto err; |
| 54 | + |
| 55 | + snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_ASYM_SIZE, i); |
| 56 | + val = 128; |
| 57 | + ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, |
| 58 | + key, &val, ADF_DEC); |
| 59 | + if (ret) |
| 60 | + goto err; |
| 61 | + |
| 62 | + val = 512; |
| 63 | + snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_SYM_SIZE, i); |
| 64 | + ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, |
| 65 | + key, &val, ADF_DEC); |
| 66 | + if (ret) |
| 67 | + goto err; |
| 68 | + |
| 69 | + val = 0; |
| 70 | + snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_ASYM_TX, i); |
| 71 | + ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, |
| 72 | + key, &val, ADF_DEC); |
| 73 | + if (ret) |
| 74 | + goto err; |
| 75 | + |
| 76 | + val = 2; |
| 77 | + snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_SYM_TX, i); |
| 78 | + ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, |
| 79 | + key, &val, ADF_DEC); |
| 80 | + if (ret) |
| 81 | + goto err; |
| 82 | + |
| 83 | + val = 8; |
| 84 | + snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_ASYM_RX, i); |
| 85 | + ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, |
| 86 | + key, &val, ADF_DEC); |
| 87 | + if (ret) |
| 88 | + goto err; |
| 89 | + |
| 90 | + val = 10; |
| 91 | + snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_SYM_RX, i); |
| 92 | + ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, |
| 93 | + key, &val, ADF_DEC); |
| 94 | + if (ret) |
| 95 | + goto err; |
| 96 | + |
| 97 | + val = ADF_COALESCING_DEF_TIME; |
| 98 | + snprintf(key, sizeof(key), ADF_ETRMGR_COALESCE_TIMER_FORMAT, i); |
| 99 | + ret = adf_cfg_add_key_value_param(accel_dev, "Accelerator0", |
| 100 | + key, &val, ADF_DEC); |
| 101 | + if (ret) |
| 102 | + goto err; |
| 103 | + } |
| 104 | + |
| 105 | + val = i; |
| 106 | + ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, ADF_NUM_CY, |
| 107 | + &val, ADF_DEC); |
| 108 | + if (ret) |
| 109 | + goto err; |
| 110 | + |
| 111 | + set_bit(ADF_STATUS_CONFIGURED, &accel_dev->status); |
| 112 | + return 0; |
| 113 | +err: |
| 114 | + dev_err(&GET_DEV(accel_dev), "Failed to start QAT accel dev\n"); |
| 115 | + return ret; |
| 116 | +} |
| 117 | + |
| 118 | +/** |
| 119 | + * adf_gen2_dev_config() - create dev config required to create instances |
| 120 | + * |
| 121 | + * @accel_dev: Pointer to acceleration device. |
| 122 | + * |
| 123 | + * Function creates device configuration required to create instances |
| 124 | + * |
| 125 | + * Return: 0 on success, error code otherwise. |
| 126 | + */ |
| 127 | +int adf_gen2_dev_config(struct adf_accel_dev *accel_dev) |
| 128 | +{ |
| 129 | + return adf_gen2_crypto_dev_config(accel_dev); |
| 130 | +} |
| 131 | +EXPORT_SYMBOL_GPL(adf_gen2_dev_config); |
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