1 /*
2 * Copyright (c) 2021 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include "usb_pnp_manager.h"
17 #include <pthread.h>
18 #include <unistd.h>
19
20 #include "ddk_device_manager.h"
21 #include "ddk_pnp_listener_mgr.h"
22 #include "ddk_uevent_handle.h"
23 #include "devsvc_manager_clnt.h"
24 #include "hdf_base.h"
25 #include "hdf_device_desc.h"
26 #include "hdf_device_object.h"
27 #include "hdf_io_service_if.h"
28 #include "hdf_log.h"
29 #include "osal_mem.h"
30 #include "securec.h"
31 #include "usb_ddk_pnp_loader.h"
32
33 #define HDF_LOG_TAG usb_pnp_manager
34 #define MODULENAMESIZE 128
35
UsbPnpManagerWriteModuleName(struct HdfSBuf * sbuf,const char * moduleName)36 bool UsbPnpManagerWriteModuleName(struct HdfSBuf *sbuf, const char *moduleName)
37 {
38 char modName[MODULENAMESIZE] = {0};
39 if (sprintf_s(modName, MODULENAMESIZE, "lib%s.z.so", moduleName) < 0) {
40 HDF_LOGE("%{public}s: sprintf_s modName failed", __func__);
41 return false;
42 }
43
44 return HdfSbufWriteString(sbuf, modName);
45 }
46
UsbPnpManagerDispatch(struct HdfDeviceIoClient * client,int32_t cmd,struct HdfSBuf * data,struct HdfSBuf * reply)47 static int32_t UsbPnpManagerDispatch(
48 struct HdfDeviceIoClient *client, int32_t cmd, struct HdfSBuf *data, struct HdfSBuf *reply)
49 {
50 (void)client;
51 (void)cmd;
52 (void)data;
53 (void)reply;
54
55 HDF_LOGI("received cmd = %d", cmd);
56 return HDF_SUCCESS;
57 }
58
UsbPnpManagerBind(struct HdfDeviceObject * device)59 static int32_t UsbPnpManagerBind(struct HdfDeviceObject *device)
60 {
61 static struct IDeviceIoService pnpLoaderService = {
62 .Dispatch = UsbPnpManagerDispatch,
63 };
64
65 if (device == NULL) {
66 return HDF_ERR_INVALID_OBJECT;
67 }
68
69 device->service = &pnpLoaderService;
70 HDF_LOGI("usb pnp manager bind success\n");
71
72 return HDF_SUCCESS;
73 }
74
75 #ifdef USB_EVENT_NOTIFY_LINUX_NATIVE_MODE
UsbPnpManagerStartUeventThread(void)76 int32_t UsbPnpManagerStartUeventThread(void)
77 {
78 pthread_t tid;
79 int32_t ret = pthread_create(&tid, NULL, DdkUeventMain, NULL);
80 if (ret != 0) {
81 HDF_LOGE("%{public}s: create thread failed:%{public}d", __func__, ret);
82 return ret;
83 }
84
85 ret = pthread_setname_np(tid, "usbpnpUeventThd");
86 if (ret != 0) {
87 HDF_LOGE("%{public}s: set thread name failed:%{public}d", __func__, ret);
88 }
89 return ret;
90 }
91 #endif
92
UsbPnpManagerInit(struct HdfDeviceObject * device)93 static int32_t UsbPnpManagerInit(struct HdfDeviceObject *device)
94 {
95 static struct HdfDevEventlistener usbPnpListener = {
96 .callBack = UsbDdkPnpLoaderEventReceived,
97 };
98 usbPnpListener.priv = (void *)(device);
99
100 int32_t ret = DdkDevMgrInit();
101 if (ret != HDF_SUCCESS) {
102 HDF_LOGE("%{public}s: DdkDevMgrInit error", __func__);
103 return HDF_FAILURE;
104 }
105
106 ret = DdkListenerMgrInit();
107 if (ret != HDF_SUCCESS) {
108 HDF_LOGE("%{public}s: DdkListenerMgrInit error", __func__);
109 return HDF_FAILURE;
110 }
111
112 ret = DdkUeventInit();
113 if (ret != HDF_SUCCESS) {
114 HDF_LOGE("%{public}s: DdkUeventInit error", __func__);
115 return ret;
116 }
117 #ifdef USB_EVENT_NOTIFY_LINUX_NATIVE_MODE
118 if (UsbPnpManagerStartUeventThread() != HDF_SUCCESS) {
119 HDF_LOGE("%{public}s: start uevent thread failed", __func__);
120 return HDF_FAILURE;
121 }
122 #endif
123 ret = UsbDdkPnpLoaderEventHandle();
124 if (ret != HDF_SUCCESS) {
125 HDF_LOGE("%{public}s: UsbDdkPnpLoaderEventHandle failed", __func__);
126 return ret;
127 }
128 if (DdkListenerMgrAdd(&usbPnpListener) != HDF_SUCCESS) {
129 HDF_LOGE("%{public}s: add listener failed", __func__);
130 return HDF_FAILURE;
131 }
132 HDF_LOGI("UsbPnpManagerInit done");
133 return HDF_SUCCESS;
134 }
135
UsbPnpManagerRelease(struct HdfDeviceObject * device)136 static void UsbPnpManagerRelease(struct HdfDeviceObject *device)
137 {
138 (void)device;
139 return;
140 }
141
142 struct HdfDriverEntry g_usbPnpManagerEntry = {
143 .moduleVersion = 1,
144 .Bind = UsbPnpManagerBind,
145 .Init = UsbPnpManagerInit,
146 .Release = UsbPnpManagerRelease,
147 .moduleName = "HDF_USB_PNP_MANAGER",
148 };
149
150 HDF_INIT(g_usbPnpManagerEntry);
151