/*
* net_buffer_init
* This function will initialize the buffer file system for out networking
* stack.
*/
void net_buffer_init()
{
/* Clear the global structure. */
memset(&net_buffers_fs, 0, sizeof(NET_BUFFER_FS));
/* Initialize the buffer data. */
net_buffers_fs.fs.name = "\\net\\buffers";
net_buffers_fs.fs.get_lock = &net_buffer_lock;
net_buffers_fs.fs.release_lock = &net_buffer_unlock;
/* Read and write functions. */
net_buffers_fs.fs.write = &net_buffer_write;
net_buffers_fs.fs.read = &net_buffer_read;
/* Initial file system configurations. */
net_buffers_fs.fs.flags = (FS_SPACE_AVAILABLE);
net_buffers_fs.fs.timeout = MAX_WAIT;
/* Initialize file system condition. */
fs_condition_init(&net_buffers_fs.fs);
#ifdef CONFIG_SEMAPHORE
/* Create a semaphore to protect net buffer file descriptor. */
semaphore_create(&net_buffers_fs.lock, 1, 1, SEMAPHORE_PRIORITY);
#endif
/* Register net buffer file system. */
fs_register((FS *)&net_buffers_fs);
/* Set the global networking stack buffer descriptor. */
net_buff_fd = (FD)&net_buffers_fs;
} /* net_buffer_init */
/*
* console_register
* @console: Console data.
* This function will register a console.
*/
void console_register(CONSOLE *console)
{
#ifndef CONFIG_SEMAPHORE
/* Lock the scheduler. */
scheduler_lock();
#else
/* Obtain the global data lock. */
OS_ASSERT(semaphore_obtain(&console_data.lock, MAX_WAIT) != SUCCESS);
/* Create a semaphore to protect this console device. */
memset(&console->lock, 0, sizeof(SEMAPHORE));
semaphore_create(&console->lock, 1, 1, SEMAPHORE_PRIORITY);
#endif
/* This utility is called by drivers for registering consoles for the
* applicable devices, so no need to check for name conflicts. */
/* Just push this file system in the list. */
sll_push(&console_data.list, console, OFFSETOF(CONSOLE, fs.next));
/* Initialize console FS data. */
console->fs.get_lock = console_lock;
console->fs.release_lock = console_unlock;
console->fs.timeout = MAX_WAIT;
/* Initialize file system condition. */
fs_condition_init(&console->fs);
#ifdef CONFIG_SEMAPHORE
/* Release the global data lock. */
semaphore_release(&console_data.lock);
#else
/* Enable scheduling. */
scheduler_unlock();
#endif
} /* console_register */