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 <icp_qat_fw_init_admin.h>
48#include <adf_accel_devices.h>
49#include <adf_common_drv.h>
50#include "adf_drv.h"
51
52static struct service_hndl qat_admin;
53
54static int qat_send_admin_cmd(struct adf_accel_dev *accel_dev, int cmd)
55{
56	struct adf_hw_device_data *hw_device = accel_dev->hw_device;
57	struct icp_qat_fw_init_admin_req req;
58	struct icp_qat_fw_init_admin_resp resp;
59	int i;
60
61	memset(&req, 0, sizeof(struct icp_qat_fw_init_admin_req));
62	req.init_admin_cmd_id = cmd;
63	for (i = 0; i < hw_device->get_num_aes(hw_device); i++) {
64		memset(&resp, 0, sizeof(struct icp_qat_fw_init_admin_resp));
65		if (adf_put_admin_msg_sync(accel_dev, i, &req, &resp) ||
66		    resp.init_resp_hdr.status)
67			return -EFAULT;
68	}
69	return 0;
70}
71
72static int qat_admin_start(struct adf_accel_dev *accel_dev)
73{
74	return qat_send_admin_cmd(accel_dev, ICP_QAT_FW_INIT_ME);
75}
76
77static int qat_admin_event_handler(struct adf_accel_dev *accel_dev,
78				   enum adf_event event)
79{
80	int ret;
81
82	switch (event) {
83	case ADF_EVENT_START:
84		ret = qat_admin_start(accel_dev);
85		break;
86	case ADF_EVENT_STOP:
87	case ADF_EVENT_INIT:
88	case ADF_EVENT_SHUTDOWN:
89	default:
90		ret = 0;
91	}
92	return ret;
93}
94
95int qat_admin_register(void)
96{
97	memset(&qat_admin, 0, sizeof(struct service_hndl));
98	qat_admin.event_hld = qat_admin_event_handler;
99	qat_admin.name = "qat_admin";
100	qat_admin.admin = 1;
101	return adf_service_register(&qat_admin);
102}
103
104int qat_admin_unregister(void)
105{
106	return adf_service_unregister(&qat_admin);
107}
108