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git.proxmox.com Git - mirror_ubuntu-eoan-kernel.git/blob - drivers/crypto/qat/qat_common/adf_accel_engine.c
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.
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.
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.
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
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
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.
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.
47 #include <linux/firmware.h>
48 #include <linux/pci.h>
50 #include "adf_accel_devices.h"
51 #include "adf_common_drv.h"
52 #include "icp_qat_uclo.h"
54 int adf_ae_fw_load(struct adf_accel_dev
*accel_dev
)
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
;
61 if (!hw_device
->fw_name
)
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
);
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",
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 qat_uclo_wr_mimage(loader_data
->fw_loader
, mmp_addr
, mmp_size
);
82 if (qat_uclo_map_uof_obj(loader_data
->fw_loader
, uof_addr
, uof_size
)) {
83 dev_err(&GET_DEV(accel_dev
), "Failed to map UOF\n");
86 if (qat_uclo_wr_all_uimage(loader_data
->fw_loader
)) {
87 dev_err(&GET_DEV(accel_dev
), "Failed to load UOF\n");
93 adf_ae_fw_release(accel_dev
);
97 void adf_ae_fw_release(struct adf_accel_dev
*accel_dev
)
99 struct adf_fw_loader_data
*loader_data
= accel_dev
->fw_loader
;
100 struct adf_hw_device_data
*hw_device
= accel_dev
->hw_device
;
102 if (!hw_device
->fw_name
)
105 qat_uclo_del_uof_obj(loader_data
->fw_loader
);
106 qat_hal_deinit(loader_data
->fw_loader
);
107 release_firmware(loader_data
->uof_fw
);
108 release_firmware(loader_data
->mmp_fw
);
109 loader_data
->uof_fw
= NULL
;
110 loader_data
->mmp_fw
= NULL
;
111 loader_data
->fw_loader
= NULL
;
114 int adf_ae_start(struct adf_accel_dev
*accel_dev
)
116 struct adf_fw_loader_data
*loader_data
= accel_dev
->fw_loader
;
117 struct adf_hw_device_data
*hw_data
= accel_dev
->hw_device
;
118 uint32_t ae_ctr
, ae
, max_aes
= GET_MAX_ACCELENGINES(accel_dev
);
120 if (!hw_data
->fw_name
)
123 for (ae
= 0, ae_ctr
= 0; ae
< max_aes
; ae
++) {
124 if (hw_data
->ae_mask
& (1 << ae
)) {
125 qat_hal_start(loader_data
->fw_loader
, ae
, 0xFF);
129 dev_info(&GET_DEV(accel_dev
),
130 "qat_dev%d started %d acceleration engines\n",
131 accel_dev
->accel_id
, ae_ctr
);
135 int adf_ae_stop(struct adf_accel_dev
*accel_dev
)
137 struct adf_fw_loader_data
*loader_data
= accel_dev
->fw_loader
;
138 struct adf_hw_device_data
*hw_data
= accel_dev
->hw_device
;
139 uint32_t ae_ctr
, ae
, max_aes
= GET_MAX_ACCELENGINES(accel_dev
);
141 if (!hw_data
->fw_name
)
144 for (ae
= 0, ae_ctr
= 0; ae
< max_aes
; ae
++) {
145 if (hw_data
->ae_mask
& (1 << ae
)) {
146 qat_hal_stop(loader_data
->fw_loader
, ae
, 0xFF);
150 dev_info(&GET_DEV(accel_dev
),
151 "qat_dev%d stopped %d acceleration engines\n",
152 accel_dev
->accel_id
, ae_ctr
);
156 static int adf_ae_reset(struct adf_accel_dev
*accel_dev
, int ae
)
158 struct adf_fw_loader_data
*loader_data
= accel_dev
->fw_loader
;
160 qat_hal_reset(loader_data
->fw_loader
);
161 if (qat_hal_clr_reset(loader_data
->fw_loader
))
167 int adf_ae_init(struct adf_accel_dev
*accel_dev
)
169 struct adf_fw_loader_data
*loader_data
;
170 struct adf_hw_device_data
*hw_device
= accel_dev
->hw_device
;
172 if (!hw_device
->fw_name
)
175 loader_data
= kzalloc(sizeof(*loader_data
), GFP_KERNEL
);
179 accel_dev
->fw_loader
= loader_data
;
180 if (qat_hal_init(accel_dev
)) {
181 dev_err(&GET_DEV(accel_dev
), "Failed to init the AEs\n");
185 if (adf_ae_reset(accel_dev
, 0)) {
186 dev_err(&GET_DEV(accel_dev
), "Failed to reset the AEs\n");
187 qat_hal_deinit(loader_data
->fw_loader
);
194 int adf_ae_shutdown(struct adf_accel_dev
*accel_dev
)
196 struct adf_fw_loader_data
*loader_data
= accel_dev
->fw_loader
;
197 struct adf_hw_device_data
*hw_device
= accel_dev
->hw_device
;
199 if (!hw_device
->fw_name
)
202 qat_hal_deinit(loader_data
->fw_loader
);
203 kfree(accel_dev
->fw_loader
);
204 accel_dev
->fw_loader
= NULL
;