root/sys/dev/qat/qat_api/device/dev_info.c
/* SPDX-License-Identifier: BSD-3-Clause */
/* Copyright(c) 2007-2022 Intel Corporation */
/**
 *****************************************************************************
 * @file dev_info.c
 *
 * @defgroup Device
 *
 * @description
 *    This file contains implementation of functions for device level APIs
 *
 *****************************************************************************/

/* QAT-API includes */
#include "cpa_dev.h"
#include "icp_accel_devices.h"
#include "lac_common.h"
#include "icp_adf_cfg.h"
#include "lac_sal_types.h"
#include "icp_adf_accel_mgr.h"
#include "sal_string_parse.h"
#include "lac_sal.h"

CpaStatus
cpaGetNumDevices(Cpa16U *numDevices)
{
        LAC_CHECK_NULL_PARAM(numDevices);

        return icp_amgr_getNumInstances(numDevices);
}

CpaStatus
cpaGetDeviceInfo(Cpa16U device, CpaDeviceInfo *deviceInfo)
{
        CpaStatus status = CPA_STATUS_SUCCESS;
        icp_accel_dev_t *pDevice = NULL;
        Cpa16U numDevicesAvail = 0;
        Cpa32U capabilitiesMask = 0;
        Cpa32U enabledServices = 0;

        LAC_CHECK_NULL_PARAM(deviceInfo);
        status = icp_amgr_getNumInstances(&numDevicesAvail);
        /* Check if the application is not attempting to access a
         * device that does not exist.
         */
        if (0 == numDevicesAvail) {
                QAT_UTILS_LOG("Failed to retrieve number of devices!\n");
                return CPA_STATUS_FAIL;
        }
        if (device >= numDevicesAvail) {
                QAT_UTILS_LOG(
                    "Invalid device access! Number of devices available: %d.\n",
                    numDevicesAvail);
                return CPA_STATUS_FAIL;
        }

        /* Clear the entire capability structure before initialising it */
        memset(deviceInfo, 0x00, sizeof(CpaDeviceInfo));
        /* Bus/Device/Function should be 0xFF until initialised */
        deviceInfo->bdf = 0xffff;

        pDevice = icp_adf_getAccelDevByAccelId(device);
        if (NULL == pDevice) {
                QAT_UTILS_LOG("Failed to retrieve device.\n");
                return status;
        }

        /* Device of interest is found, retrieve the information for it */
        deviceInfo->sku = pDevice->sku;
        deviceInfo->deviceId = pDevice->pciDevId;
        deviceInfo->bdf = icp_adf_get_busAddress(pDevice->accelId);
        deviceInfo->numaNode = pDevice->pkg_id;

        if (DEVICE_DH895XCCVF == pDevice->deviceType ||
            DEVICE_C62XVF == pDevice->deviceType ||
            DEVICE_C3XXXVF == pDevice->deviceType ||
            DEVICE_C4XXXVF == pDevice->deviceType) {
                deviceInfo->isVf = CPA_TRUE;
        }

        status = SalCtrl_GetEnabledServices(pDevice, &enabledServices);
        if (CPA_STATUS_SUCCESS != status) {
                QAT_UTILS_LOG("Failed to retrieve enabled services!\n");
                return status;
        }

        status = icp_amgr_getAccelDevCapabilities(pDevice, &capabilitiesMask);
        if (CPA_STATUS_SUCCESS != status) {
                QAT_UTILS_LOG("Failed to retrieve accel capabilities mask!\n");
                return status;
        }

        /* Determine if Compression service is enabled */
        if (enabledServices & SAL_SERVICE_TYPE_COMPRESSION) {
                deviceInfo->dcEnabled =
                    (((capabilitiesMask & ICP_ACCEL_CAPABILITIES_COMPRESSION) !=
                      0) ?
                         CPA_TRUE :
                         CPA_FALSE);
        }

        /* Determine if Crypto service is enabled */
        if (enabledServices & SAL_SERVICE_TYPE_CRYPTO) {
                deviceInfo->cySymEnabled =
                    (((capabilitiesMask &
                       ICP_ACCEL_CAPABILITIES_CRYPTO_SYMMETRIC)) ?
                         CPA_TRUE :
                         CPA_FALSE);
                deviceInfo->cyAsymEnabled =
                    (((capabilitiesMask &
                       ICP_ACCEL_CAPABILITIES_CRYPTO_ASYMMETRIC) != 0) ?
                         CPA_TRUE :
                         CPA_FALSE);
        }
        /* Determine if Crypto Sym service is enabled */
        if (enabledServices & SAL_SERVICE_TYPE_CRYPTO_SYM) {
                deviceInfo->cySymEnabled =
                    (((capabilitiesMask &
                       ICP_ACCEL_CAPABILITIES_CRYPTO_SYMMETRIC)) ?
                         CPA_TRUE :
                         CPA_FALSE);
        }
        /* Determine if Crypto Asym service is enabled */
        if (enabledServices & SAL_SERVICE_TYPE_CRYPTO_ASYM) {
                deviceInfo->cyAsymEnabled =
                    (((capabilitiesMask &
                       ICP_ACCEL_CAPABILITIES_CRYPTO_ASYMMETRIC) != 0) ?
                         CPA_TRUE :
                         CPA_FALSE);
        }
        deviceInfo->deviceMemorySizeAvailable = pDevice->deviceMemAvail;

        return status;
}