PUBLIC void task_hd()
{
MESSAGE msg;
init_hd();
while (true) {
send_recv(RECEIVE, ANY, &msg);
int src = msg.source;
switch (msg.type) {
case DEV_OPEN:
hd_identify(0);
//hd_open(msg.DEVICE);
break;
case DEV_CLOSE:
hd_close(msg.DEVICE);
break;
case DEV_READ:
case DEV_WRITE:
hd_rdwt(&msg);
break;
case DEV_IOCTL:
hd_ioctl(&msg);
break;
default:
kprintf("[KERNEL ERROR]HD driveer::unknown msg");
break;
}
send_recv(SEND, src, &msg);
}
}
/**
* Main loop of HD driver.
*
*****************************************************************************/
PUBLIC void task_hd()
{
MESSAGE msg;
init_hd();
while (1) {
send_recv(RECEIVE, ANY, &msg);
int src = msg.source;
switch (msg.type) {
case DEV_OPEN:
hd_open(msg.DEVICE);
break;
case DEV_CLOSE:
hd_close(msg.DEVICE);
break;
case DEV_READ:
case DEV_WRITE:
hd_rdwt(&msg);
break;
case DEV_IOCTL:
hd_ioctl(&msg);
break;
default:
dump_msg("HD driver::unknown msg", &msg);
spin("FS::main_loop (invalid msg.type)");
break;
}
send_recv(SEND, src, &msg);
}
}
PUBLIC void task_hd() {
MESSAGE msg;
init_hd();
printl("Task HD begins.\n");
while (TRUE) {
send_recv(RECEIVE, ANY, &msg);
int src = msg.source;
switch(msg.type) {
case DEV_OPEN:
/* 获得硬盘的信息 */
/* hd_identify(0); */
hd_open(msg.DEVICE);
break;
case DEV_CLOSE:
hd_close(msg.DEVICE);
break;
case DEV_READ:
case DEV_WRITE:
hd_rdwt(&msg);
break;
case DEV_IOCTL:
hd_ioctl(&msg);
break;
default:
panic("HD driver::unknown msg");
}
send_recv(SEND, src, &msg);
}
}
/*
功能：
处理硬盘相关请求的任务进程。初始化后，永久运行接收有关硬盘请求的信息
参数：
（无）
返回值：
（无）
*/
void task_hd(){
MESSAGE message;
#ifdef DEBUG_HD
printl("in task_hd\n");
#endif
//初始化硬盘
init_hd();
while(1){
reset_message(&message);
send_receive(RECEIVE,ANY,&message);
int src=message.source_pid;
switch(message.type){
case INFO_FS_OPEN:
hd_open(&message);
break;
case INFO_FS_CLOSE:
hd_close(&message);
break;
case INFO_FS_READ:
case INFO_FS_WRITE:
hd_rdwt(&message);
break;
case INFO_FS_IOCTL:
hd_ioctl(&message);
break;
case INFO_FS_DEVICE:
hd_device_info(&message);
break;
default:
//panic("unkonw message type(%d) in task_hd",src);
break;
}
#ifdef DEBUG_HD
printl("in task_hd\n");
#endif
/* message.source_pid=process2pid(p_process_ready); */
send_receive(SEND,src,&message);
}
}