1/* 2 This file is provided under a dual BSD/GPLv2 license. When using or 3 redistributing this file, you may do so under either license. 4 5 GPL LICENSE SUMMARY 6 Copyright(c) 2014 Intel Corporation. 7 This program is free software; you can redistribute it and/or modify 8 it under the terms of version 2 of the GNU General Public License as 9 published by the Free Software Foundation. 10 11 This program is distributed in the hope that it will be useful, but 12 WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 General Public License for more details. 15 16 Contact Information: 17 qat-linux@intel.com 18 19 BSD LICENSE 20 Copyright(c) 2014 Intel Corporation. 21 Redistribution and use in source and binary forms, with or without 22 modification, are permitted provided that the following conditions 23 are met: 24 25 * Redistributions of source code must retain the above copyright 26 notice, this list of conditions and the following disclaimer. 27 * Redistributions in binary form must reproduce the above copyright 28 notice, this list of conditions and the following disclaimer in 29 the documentation and/or other materials provided with the 30 distribution. 31 * Neither the name of Intel Corporation nor the names of its 32 contributors may be used to endorse or promote products derived 33 from this software without specific prior written permission. 34 35 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 36 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 37 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 38 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 39 OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 40 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 41 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 42 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 43 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 44 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 45 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 46*/ 47#include <linux/firmware.h> 48#include <linux/pci.h> 49#include "adf_cfg.h" 50#include "adf_accel_devices.h" 51#include "adf_common_drv.h" 52#include "icp_qat_uclo.h" 53 54int adf_ae_fw_load(struct adf_accel_dev *accel_dev) 55{ 56 struct adf_fw_loader_data *loader_data = accel_dev->fw_loader; 57 struct adf_hw_device_data *hw_device = accel_dev->hw_device; 58 void *uof_addr; 59 uint32_t uof_size; 60 61 if (request_firmware(&loader_data->uof_fw, hw_device->fw_name, 62 &accel_dev->accel_pci_dev.pci_dev->dev)) { 63 dev_err(&GET_DEV(accel_dev), "Failed to load firmware %s\n", 64 hw_device->fw_name); 65 return -EFAULT; 66 } 67 68 uof_size = loader_data->uof_fw->size; 69 uof_addr = (void *)loader_data->uof_fw->data; 70 if (qat_uclo_map_uof_obj(loader_data->fw_loader, uof_addr, uof_size)) { 71 dev_err(&GET_DEV(accel_dev), "Failed to map UOF\n"); 72 goto out_err; 73 } 74 if (qat_uclo_wr_all_uimage(loader_data->fw_loader)) { 75 dev_err(&GET_DEV(accel_dev), "Failed to map UOF\n"); 76 goto out_err; 77 } 78 return 0; 79 80out_err: 81 adf_ae_fw_release(accel_dev); 82 return -EFAULT; 83} 84 85void adf_ae_fw_release(struct adf_accel_dev *accel_dev) 86{ 87 struct adf_fw_loader_data *loader_data = accel_dev->fw_loader; 88 89 qat_uclo_del_uof_obj(loader_data->fw_loader); 90 qat_hal_deinit(loader_data->fw_loader); 91 92 if (loader_data->uof_fw) 93 release_firmware(loader_data->uof_fw); 94 95 loader_data->uof_fw = NULL; 96 loader_data->fw_loader = NULL; 97} 98 99int adf_ae_start(struct adf_accel_dev *accel_dev) 100{ 101 struct adf_fw_loader_data *loader_data = accel_dev->fw_loader; 102 struct adf_hw_device_data *hw_data = accel_dev->hw_device; 103 uint32_t ae_ctr, ae, max_aes = GET_MAX_ACCELENGINES(accel_dev); 104 105 for (ae = 0, ae_ctr = 0; ae < max_aes; ae++) { 106 if (hw_data->ae_mask & (1 << ae)) { 107 qat_hal_start(loader_data->fw_loader, ae, 0xFF); 108 ae_ctr++; 109 } 110 } 111 dev_info(&GET_DEV(accel_dev), 112 "qat_dev%d started %d acceleration engines\n", 113 accel_dev->accel_id, ae_ctr); 114 return 0; 115} 116 117int adf_ae_stop(struct adf_accel_dev *accel_dev) 118{ 119 struct adf_fw_loader_data *loader_data = accel_dev->fw_loader; 120 struct adf_hw_device_data *hw_data = accel_dev->hw_device; 121 uint32_t ae_ctr, ae, max_aes = GET_MAX_ACCELENGINES(accel_dev); 122 123 for (ae = 0, ae_ctr = 0; ae < max_aes; ae++) { 124 if (hw_data->ae_mask & (1 << ae)) { 125 qat_hal_stop(loader_data->fw_loader, ae, 0xFF); 126 ae_ctr++; 127 } 128 } 129 dev_info(&GET_DEV(accel_dev), 130 "qat_dev%d stopped %d acceleration engines\n", 131 accel_dev->accel_id, ae_ctr); 132 return 0; 133} 134 135static int adf_ae_reset(struct adf_accel_dev *accel_dev, int ae) 136{ 137 struct adf_fw_loader_data *loader_data = accel_dev->fw_loader; 138 139 qat_hal_reset(loader_data->fw_loader); 140 if (qat_hal_clr_reset(loader_data->fw_loader)) 141 return -EFAULT; 142 143 return 0; 144} 145 146int adf_ae_init(struct adf_accel_dev *accel_dev) 147{ 148 struct adf_fw_loader_data *loader_data; 149 150 loader_data = kzalloc(sizeof(*loader_data), GFP_KERNEL); 151 if (!loader_data) 152 return -ENOMEM; 153 154 accel_dev->fw_loader = loader_data; 155 if (qat_hal_init(accel_dev)) { 156 dev_err(&GET_DEV(accel_dev), "Failed to init the AEs\n"); 157 kfree(loader_data); 158 return -EFAULT; 159 } 160 if (adf_ae_reset(accel_dev, 0)) { 161 dev_err(&GET_DEV(accel_dev), "Failed to reset the AEs\n"); 162 qat_hal_deinit(loader_data->fw_loader); 163 kfree(loader_data); 164 return -EFAULT; 165 } 166 return 0; 167} 168 169int adf_ae_shutdown(struct adf_accel_dev *accel_dev) 170{ 171 struct adf_fw_loader_data *loader_data = accel_dev->fw_loader; 172 173 qat_hal_deinit(loader_data->fw_loader); 174 kfree(accel_dev->fw_loader); 175 accel_dev->fw_loader = NULL; 176 return 0; 177} 178