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
adf_ae_fw_load(struct adf_accel_dev * accel_dev)54 int 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, *mmp_addr;
59 u32 uof_size, mmp_size;
60
61 if (!hw_device->fw_name)
62 return 0;
63
64 if (request_firmware(&loader_data->mmp_fw, hw_device->fw_mmp_name,
65 &accel_dev->accel_pci_dev.pci_dev->dev)) {
66 dev_err(&GET_DEV(accel_dev), "Failed to load MMP firmware %s\n",
67 hw_device->fw_mmp_name);
68 return -EFAULT;
69 }
70 if (request_firmware(&loader_data->uof_fw, hw_device->fw_name,
71 &accel_dev->accel_pci_dev.pci_dev->dev)) {
72 dev_err(&GET_DEV(accel_dev), "Failed to load UOF firmware %s\n",
73 hw_device->fw_name);
74 goto out_err;
75 }
76
77 uof_size = loader_data->uof_fw->size;
78 uof_addr = (void *)loader_data->uof_fw->data;
79 mmp_size = loader_data->mmp_fw->size;
80 mmp_addr = (void *)loader_data->mmp_fw->data;
81 if (qat_uclo_wr_mimage(loader_data->fw_loader, mmp_addr, mmp_size)) {
82 dev_err(&GET_DEV(accel_dev), "Failed to load MMP\n");
83 goto out_err;
84 }
85 if (qat_uclo_map_obj(loader_data->fw_loader, uof_addr, uof_size)) {
86 dev_err(&GET_DEV(accel_dev), "Failed to map FW\n");
87 goto out_err;
88 }
89 if (qat_uclo_wr_all_uimage(loader_data->fw_loader)) {
90 dev_err(&GET_DEV(accel_dev), "Failed to load UOF\n");
91 goto out_err;
92 }
93 return 0;
94
95 out_err:
96 adf_ae_fw_release(accel_dev);
97 return -EFAULT;
98 }
99
adf_ae_fw_release(struct adf_accel_dev * accel_dev)100 void adf_ae_fw_release(struct adf_accel_dev *accel_dev)
101 {
102 struct adf_fw_loader_data *loader_data = accel_dev->fw_loader;
103 struct adf_hw_device_data *hw_device = accel_dev->hw_device;
104
105 if (!hw_device->fw_name)
106 return;
107
108 qat_uclo_del_uof_obj(loader_data->fw_loader);
109 qat_hal_deinit(loader_data->fw_loader);
110 release_firmware(loader_data->uof_fw);
111 release_firmware(loader_data->mmp_fw);
112 loader_data->uof_fw = NULL;
113 loader_data->mmp_fw = NULL;
114 loader_data->fw_loader = NULL;
115 }
116
adf_ae_start(struct adf_accel_dev * accel_dev)117 int adf_ae_start(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 if (!hw_data->fw_name)
124 return 0;
125
126 for (ae = 0, ae_ctr = 0; ae < max_aes; ae++) {
127 if (hw_data->ae_mask & (1 << ae)) {
128 qat_hal_start(loader_data->fw_loader, ae, 0xFF);
129 ae_ctr++;
130 }
131 }
132 dev_info(&GET_DEV(accel_dev),
133 "qat_dev%d started %d acceleration engines\n",
134 accel_dev->accel_id, ae_ctr);
135 return 0;
136 }
137
adf_ae_stop(struct adf_accel_dev * accel_dev)138 int adf_ae_stop(struct adf_accel_dev *accel_dev)
139 {
140 struct adf_fw_loader_data *loader_data = accel_dev->fw_loader;
141 struct adf_hw_device_data *hw_data = accel_dev->hw_device;
142 uint32_t ae_ctr, ae, max_aes = GET_MAX_ACCELENGINES(accel_dev);
143
144 if (!hw_data->fw_name)
145 return 0;
146
147 for (ae = 0, ae_ctr = 0; ae < max_aes; ae++) {
148 if (hw_data->ae_mask & (1 << ae)) {
149 qat_hal_stop(loader_data->fw_loader, ae, 0xFF);
150 ae_ctr++;
151 }
152 }
153 dev_info(&GET_DEV(accel_dev),
154 "qat_dev%d stopped %d acceleration engines\n",
155 accel_dev->accel_id, ae_ctr);
156 return 0;
157 }
158
adf_ae_reset(struct adf_accel_dev * accel_dev,int ae)159 static int adf_ae_reset(struct adf_accel_dev *accel_dev, int ae)
160 {
161 struct adf_fw_loader_data *loader_data = accel_dev->fw_loader;
162
163 qat_hal_reset(loader_data->fw_loader);
164 if (qat_hal_clr_reset(loader_data->fw_loader))
165 return -EFAULT;
166
167 return 0;
168 }
169
adf_ae_init(struct adf_accel_dev * accel_dev)170 int adf_ae_init(struct adf_accel_dev *accel_dev)
171 {
172 struct adf_fw_loader_data *loader_data;
173 struct adf_hw_device_data *hw_device = accel_dev->hw_device;
174
175 if (!hw_device->fw_name)
176 return 0;
177
178 loader_data = kzalloc(sizeof(*loader_data), GFP_KERNEL);
179 if (!loader_data)
180 return -ENOMEM;
181
182 accel_dev->fw_loader = loader_data;
183 if (qat_hal_init(accel_dev)) {
184 dev_err(&GET_DEV(accel_dev), "Failed to init the AEs\n");
185 kfree(loader_data);
186 return -EFAULT;
187 }
188 if (adf_ae_reset(accel_dev, 0)) {
189 dev_err(&GET_DEV(accel_dev), "Failed to reset the AEs\n");
190 qat_hal_deinit(loader_data->fw_loader);
191 kfree(loader_data);
192 return -EFAULT;
193 }
194 return 0;
195 }
196
adf_ae_shutdown(struct adf_accel_dev * accel_dev)197 int adf_ae_shutdown(struct adf_accel_dev *accel_dev)
198 {
199 struct adf_fw_loader_data *loader_data = accel_dev->fw_loader;
200 struct adf_hw_device_data *hw_device = accel_dev->hw_device;
201
202 if (!hw_device->fw_name)
203 return 0;
204
205 qat_hal_deinit(loader_data->fw_loader);
206 kfree(accel_dev->fw_loader);
207 accel_dev->fw_loader = NULL;
208 return 0;
209 }
210