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// SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only)
/* Copyright(c) 2014 - 2020 Intel Corporation */
#include <linux/firmware.h>
#include <linux/pci.h>
#include "adf_cfg.h"
#include "adf_accel_devices.h"
#include "adf_common_drv.h"
#include "icp_qat_uclo.h"
int adf_ae_fw_load(struct adf_accel_dev *accel_dev)
{
struct adf_fw_loader_data *loader_data = accel_dev->fw_loader;
struct adf_hw_device_data *hw_device = accel_dev->hw_device;
void *uof_addr, *mmp_addr;
u32 uof_size, mmp_size;
if (!hw_device->fw_name)
return 0;
if (request_firmware(&loader_data->mmp_fw, hw_device->fw_mmp_name,
&accel_dev->accel_pci_dev.pci_dev->dev)) {
dev_err(&GET_DEV(accel_dev), "Failed to load MMP firmware %s\n",
hw_device->fw_mmp_name);
return -EFAULT;
}
if (request_firmware(&loader_data->uof_fw, hw_device->fw_name,
&accel_dev->accel_pci_dev.pci_dev->dev)) {
dev_err(&GET_DEV(accel_dev), "Failed to load UOF firmware %s\n",
hw_device->fw_name);
goto out_err;
}
uof_size = loader_data->uof_fw->size;
uof_addr = (void *)loader_data->uof_fw->data;
mmp_size = loader_data->mmp_fw->size;
mmp_addr = (void *)loader_data->mmp_fw->data;
if (qat_uclo_wr_mimage(loader_data->fw_loader, mmp_addr, mmp_size)) {
dev_err(&GET_DEV(accel_dev), "Failed to load MMP\n");
goto out_err;
}
if (qat_uclo_map_obj(loader_data->fw_loader, uof_addr, uof_size, NULL)) {
dev_err(&GET_DEV(accel_dev), "Failed to map FW\n");
goto out_err;
}
if (qat_uclo_wr_all_uimage(loader_data->fw_loader)) {
dev_err(&GET_DEV(accel_dev), "Failed to load UOF\n");
goto out_err;
}
return 0;
out_err:
adf_ae_fw_release(accel_dev);
return -EFAULT;
}
void adf_ae_fw_release(struct adf_accel_dev *accel_dev)
{
struct adf_fw_loader_data *loader_data = accel_dev->fw_loader;
struct adf_hw_device_data *hw_device = accel_dev->hw_device;
if (!hw_device->fw_name)
return;
qat_uclo_del_obj(loader_data->fw_loader);
qat_hal_deinit(loader_data->fw_loader);
release_firmware(loader_data->uof_fw);
release_firmware(loader_data->mmp_fw);
loader_data->uof_fw = NULL;
loader_data->mmp_fw = NULL;
loader_data->fw_loader = NULL;
}
int adf_ae_start(struct adf_accel_dev *accel_dev)
{
struct adf_fw_loader_data *loader_data = accel_dev->fw_loader;
struct adf_hw_device_data *hw_data = accel_dev->hw_device;
u32 ae_ctr;
if (!hw_data->fw_name)
return 0;
ae_ctr = qat_hal_start(loader_data->fw_loader);
dev_info(&GET_DEV(accel_dev),
"qat_dev%d started %d acceleration engines\n",
accel_dev->accel_id, ae_ctr);
return 0;
}
int adf_ae_stop(struct adf_accel_dev *accel_dev)
{
struct adf_fw_loader_data *loader_data = accel_dev->fw_loader;
struct adf_hw_device_data *hw_data = accel_dev->hw_device;
u32 ae_ctr, ae, max_aes = GET_MAX_ACCELENGINES(accel_dev);
if (!hw_data->fw_name)
return 0;
for (ae = 0, ae_ctr = 0; ae < max_aes; ae++) {
if (hw_data->ae_mask & (1 << ae)) {
qat_hal_stop(loader_data->fw_loader, ae, 0xFF);
ae_ctr++;
}
}
dev_info(&GET_DEV(accel_dev),
"qat_dev%d stopped %d acceleration engines\n",
accel_dev->accel_id, ae_ctr);
return 0;
}
static int adf_ae_reset(struct adf_accel_dev *accel_dev, int ae)
{
struct adf_fw_loader_data *loader_data = accel_dev->fw_loader;
qat_hal_reset(loader_data->fw_loader);
if (qat_hal_clr_reset(loader_data->fw_loader))
return -EFAULT;
return 0;
}
int adf_ae_init(struct adf_accel_dev *accel_dev)
{
struct adf_fw_loader_data *loader_data;
struct adf_hw_device_data *hw_device = accel_dev->hw_device;
if (!hw_device->fw_name)
return 0;
loader_data = kzalloc(sizeof(*loader_data), GFP_KERNEL);
if (!loader_data)
return -ENOMEM;
accel_dev->fw_loader = loader_data;
if (qat_hal_init(accel_dev)) {
dev_err(&GET_DEV(accel_dev), "Failed to init the AEs\n");
kfree(loader_data);
return -EFAULT;
}
if (adf_ae_reset(accel_dev, 0)) {
dev_err(&GET_DEV(accel_dev), "Failed to reset the AEs\n");
qat_hal_deinit(loader_data->fw_loader);
kfree(loader_data);
return -EFAULT;
}
return 0;
}
int adf_ae_shutdown(struct adf_accel_dev *accel_dev)
{
struct adf_fw_loader_data *loader_data = accel_dev->fw_loader;
struct adf_hw_device_data *hw_device = accel_dev->hw_device;
if (!hw_device->fw_name)
return 0;
qat_hal_deinit(loader_data->fw_loader);
kfree(accel_dev->fw_loader);
accel_dev->fw_loader = NULL;
return 0;
}
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