1 /*
2 * Copyright (c) 2018 Intel Corporation
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 */
6
7 #include <ztest.h>
8 #include <tc_util.h>
9
10 #include <sys/byteorder.h>
11 #include <usb/usb_device.h>
12 #include <os_desc.h>
13
14 #define MSOS_STRING_LENGTH 18
15 static struct string_desc {
16 uint8_t bLength;
17 uint8_t bDescriptorType;
18 uint8_t bString[MSOS_STRING_LENGTH - 4];
19 uint8_t bMS_VendorCode;
20 uint8_t bPad;
21 } __packed msosv1_string_descriptor = {
22 .bLength = MSOS_STRING_LENGTH,
23 .bDescriptorType = USB_DESC_STRING,
24 /* Signature MSFT100 */
25 .bString = {
26 'M', 0x00, 'S', 0x00, 'F', 0x00, 'T', 0x00,
27 '1', 0x00, '0', 0x00, '0', 0x00
28 },
29 .bMS_VendorCode = 0x03, /* Vendor Code, used for a control request */
30 .bPad = 0x00, /* Padding byte for VendorCode look as UTF16 */
31 };
32
33 static struct compat_id_desc {
34 /* MS OS 1.0 Header Section */
35 uint32_t dwLength;
36 uint16_t bcdVersion;
37 uint16_t wIndex;
38 uint8_t bCount;
39 uint8_t Reserved[7];
40 /* MS OS 1.0 Function Section */
41 struct compat_id_func {
42 uint8_t bFirstInterfaceNumber;
43 uint8_t Reserved1;
44 uint8_t compatibleID[8];
45 uint8_t subCompatibleID[8];
46 uint8_t Reserved2[6];
47 } __packed func[1];
48 } __packed msosv1_compatid_descriptor = {
49 .dwLength = sys_cpu_to_le32(40),
50 .bcdVersion = sys_cpu_to_le16(0x0100),
51 .wIndex = sys_cpu_to_le16(USB_OSDESC_EXTENDED_COMPAT_ID),
52 .bCount = 0x01, /* One function section */
53 .Reserved = {
54 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
55 },
56
57 .func = {
58 {
59 .bFirstInterfaceNumber = 0x00,
60 .Reserved1 = 0x01,
61 .compatibleID = {
62 'R', 'N', 'D', 'I', 'S', 0x00, 0x00, 0x00
63 },
64 .subCompatibleID = {
65 '5', '1', '6', '2', '0', '0', '1', 0x00
66 },
67 .Reserved2 = {
68 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
69 }
70 },
71 }
72 };
73
74 static struct usb_os_descriptor os_desc = {
75 .string = (uint8_t *)&msosv1_string_descriptor,
76 .string_len = sizeof(msosv1_string_descriptor),
77 .vendor_code = 0x03,
78 .compat_id = (uint8_t *)&msosv1_compatid_descriptor,
79 .compat_id_len = sizeof(msosv1_compatid_descriptor),
80 };
81
test_register_osdesc(void)82 void test_register_osdesc(void)
83 {
84 TC_PRINT("%s\n", __func__);
85
86 usb_register_os_desc(&os_desc);
87 }
88
test_handle_os_desc(void)89 static void test_handle_os_desc(void)
90 {
91 struct usb_setup_packet setup;
92 int32_t len = 0;
93 uint8_t *data = NULL;
94 int ret;
95
96 setup.wValue = (USB_DESC_STRING & 0xFF) << 8;
97 setup.wValue |= USB_OSDESC_STRING_DESC_INDEX;
98
99 ret = usb_handle_os_desc(&setup, &len, &data);
100
101 TC_PRINT("%s: ret %d len %u data %p\n", __func__, ret, len, data);
102
103 zassert_true(!ret, "Return code failed");
104 zassert_equal(len, sizeof(msosv1_string_descriptor), "Wrong length");
105 zassert_true(!memcmp(data, &msosv1_string_descriptor, len),
106 "Wrong data");
107 }
108
test_handle_os_desc_feature(void)109 static void test_handle_os_desc_feature(void)
110 {
111 struct usb_setup_packet setup;
112 int32_t len = 0;
113 uint8_t *data = NULL;
114 int ret;
115
116 setup.bRequest = os_desc.vendor_code;
117 setup.wIndex = USB_OSDESC_EXTENDED_COMPAT_ID;
118
119 ret = usb_handle_os_desc_feature(&setup, &len, &data);
120
121 TC_PRINT("%s: ret %d len %u data %p\n", __func__, ret, len, data);
122
123 zassert_true(!ret, "Return code failed");
124 zassert_equal(len, sizeof(msosv1_compatid_descriptor), "Wrong length");
125 zassert_true(!memcmp(data, &msosv1_compatid_descriptor, len),
126 "Wrong data");
127 }
128
test_osdesc_string(void)129 static void test_osdesc_string(void)
130 {
131 test_register_osdesc();
132 test_handle_os_desc();
133 }
134
test_osdesc_feature(void)135 static void test_osdesc_feature(void)
136 {
137 test_register_osdesc();
138 test_handle_os_desc_feature();
139 }
140
141 /* test case main entry */
test_main(void)142 void test_main(void)
143 {
144 ztest_test_suite(test_osdesc,
145 ztest_unit_test(test_osdesc_string),
146 ztest_unit_test(test_osdesc_feature));
147 ztest_run_test_suite(test_osdesc);
148 }
149
