xref: /OK3568_Linux_fs/kernel/tools/testing/selftests/android/ion/ipcsocket.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun 
2*4882a593Smuzhiyun #ifndef _IPCSOCKET_H
3*4882a593Smuzhiyun #define _IPCSOCKET_H
4*4882a593Smuzhiyun 
5*4882a593Smuzhiyun 
6*4882a593Smuzhiyun #define MAX_SOCK_NAME_LEN	64
7*4882a593Smuzhiyun 
8*4882a593Smuzhiyun char sock_name[MAX_SOCK_NAME_LEN];
9*4882a593Smuzhiyun 
10*4882a593Smuzhiyun /* This structure is responsible for holding the IPC data
11*4882a593Smuzhiyun  * data: hold the buffer fd
12*4882a593Smuzhiyun  * len: just the length of 32-bit integer fd
13*4882a593Smuzhiyun  */
14*4882a593Smuzhiyun struct socketdata {
15*4882a593Smuzhiyun 	int data;
16*4882a593Smuzhiyun 	unsigned int len;
17*4882a593Smuzhiyun };
18*4882a593Smuzhiyun 
19*4882a593Smuzhiyun /* This API is used to open the IPC socket connection
20*4882a593Smuzhiyun  * name: implies a unique socket name in the system
21*4882a593Smuzhiyun  * connecttype: implies server(0) or client(1)
22*4882a593Smuzhiyun  */
23*4882a593Smuzhiyun int opensocket(int *sockfd, const char *name, int connecttype);
24*4882a593Smuzhiyun 
25*4882a593Smuzhiyun /* This is the API to send socket data over IPC socket */
26*4882a593Smuzhiyun int sendtosocket(int sockfd, struct socketdata *data);
27*4882a593Smuzhiyun 
28*4882a593Smuzhiyun /* This is the API to receive socket data over IPC socket */
29*4882a593Smuzhiyun int receivefromsocket(int sockfd, struct socketdata *data);
30*4882a593Smuzhiyun 
31*4882a593Smuzhiyun /* This is the API to close the socket connection */
32*4882a593Smuzhiyun int closesocket(int sockfd, char *name);
33*4882a593Smuzhiyun 
34*4882a593Smuzhiyun 
35*4882a593Smuzhiyun #endif
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