Exemplo n.º 1
0
int owl_dsi_init(void)
{
	int data_width;
	debug("OWL dsi: dsi init\n");
	
	allocate_buf(&dsi_addr, 100, 32);

#ifdef CONFIG_OF_CONTROL
	if (fdtdec_get_dsi_par(&dsi_par)) {
		printf("OWL dsi: fdt No dsi par\n");
		return -1;
	}
#else
	if (platform_get_lcd_par(&dsi_par)) {
		printf("OWL dsi: No dsi par\n");
		return -1;
	}
#endif

	if (owl_pwm_backlight_init(&dsi_par.pwm_bl_data)) {
		printf("OWL dsi: backlight not found\n");
		return -1;
	}
	data_width = get_dsi_data_width(&dsi_par);
	owl_display_register(DSI_DISPLAYER,"dsi",&dsi_ops, dsi_par.mode, data_width, 0);

	return 0;
}
Exemplo n.º 2
0
superblock* get_super_block(void)
{
	byte* buf = allocate_buf(buf, BLKSIZE);
	int retval = read_block(SUPER_BLOCK, buf);

	if(retval != 0)
	{
		return NULL;
	}
	return (superblock*) buf;
}
Exemplo n.º 3
0
uint32_t get_free_block_index(void)
{
	byte* buf = allocate_buf(buf, BLKSIZE);
	int retval = read_block(SUPER_BLOCK, buf);

	if(retval != 0)
	{
		return retval;
	}

	return ((superblock*) buf)->free_block_list;
}
Exemplo n.º 4
0
uint32_t get_root(void)
{
	byte* buf = allocate_buf(buf, BLKSIZE);
	int retval = read_block(SUPER_BLOCK, buf);

	if(retval != 0)
	{
		return retval;
	}

	return ((superblock*) buf)->root_dir;
}
Exemplo n.º 5
0
static void initialize_function(expression * e)
{
    int i;

    allocate_buf(e);

    e->data.func.argv = G_malloc((e->data.func.argc + 1) * sizeof(void *));
    e->data.func.argv[0] = e->buf;

    for (i = 1; i <= e->data.func.argc; i++) {
	initialize(e->data.func.args[i]);
	e->data.func.argv[i] = e->data.func.args[i]->buf;
    }
}
Exemplo n.º 6
0
int test_large_transfer()
{
    int rc;
    struct ctx my_ctx;
    struct ctx *p_ctx = &my_ctx;
    pthread_t thread;
    struct rwlargebuf rwbuf;
    __u64 chunk=2; // do io on last 2 chunks on a plun

    __u64 buf_size[] =
    {
        0x1000, //4KB
                           0x4000, //16KB
                           0x10000, //64KB
                           0x40000, //256KB
                           0x800000, //8MB
                           0x1000000 }; //16MB

    int i;
    //Large trasnfer size is for PLUN not Vluns(4K only) as per Jim
    pid = getpid();
#ifdef _AIX
    rc = setRUnlimited();
    CHECK_RC(rc, "setRUnlimited failed");
#endif
    rc = ctx_init(p_ctx);
    CHECK_RC(rc, "Context init failed");

    pthread_create(&thread, NULL, ctx_rrq_rx, p_ctx);

    rc = create_resource(p_ctx,0,DK_UDF_ASSIGN_PATH,LUN_DIRECT);
    CHECK_RC(rc, "create LUN_DIRECT failed");
    p_ctx->st_lba= p_ctx->last_lba +1 -(chunk*p_ctx->chunk_size);
    if (long_run_enable) p_ctx->st_lba=0; //let do IO on complete plun
    for (i=0;i< sizeof(buf_size)/sizeof(__u64);i++)
    {
        rc = allocate_buf(&rwbuf, buf_size[i]);
        CHECK_RC(rc, "memory allocation failed");
        printf("%d: do large io size=0X%"PRIX64"\n",pid, buf_size[i]);
        rc = do_large_io(p_ctx, &rwbuf, buf_size[i]);
        deallocate_buf(&rwbuf);
        if (rc) break; //get out from here
    }
    pthread_cancel(thread);
    close_res(p_ctx);
    ctx_close(p_ctx);
    return rc;
}
Exemplo n.º 7
0
int test_large_trnsfr_boundary()
{
    int rc;
    struct ctx my_ctx;
    struct ctx *p_ctx = &my_ctx;
    pthread_t thread;
    struct rwlargebuf rwbuf;
    __u64 buf_size = 0x1000000; //16MB
    __u64 chunk = 10;

    pid = getpid();
#ifdef _AIX
    system("ulimit -d unlimited");
    system("ulimit -s unlimited");
    system("ulimit -m unlimited");
#endif
    rc = ctx_init(p_ctx);
    CHECK_RC(rc, "Context init failed");

    pthread_create(&thread, NULL, ctx_rrq_rx, p_ctx);

    //do RW last cmd with crossed LBA boundary
    //i.e. last_lba size is 0x100;
    //do send rw with 0x10 & cross limit of 0x100

    rc = create_resource(p_ctx, 0, DK_UDF_ASSIGN_PATH, LUN_DIRECT);
    CHECK_RC(rc, "create LUN_DIRECT failed");

    rc = allocate_buf(&rwbuf, buf_size);
    CHECK_RC(rc, "memory allocation failed");
    //to make sure last cmd rw beyond boundary
    p_ctx->st_lba = p_ctx->last_lba - (chunk * p_ctx->chunk_size);
    p_ctx->st_lba = p_ctx->st_lba +20 ;

    rc = do_large_io(p_ctx, &rwbuf, buf_size);
    deallocate_buf(&rwbuf);

    pthread_cancel(thread);
    close_res(p_ctx);
    ctx_close(p_ctx);
    return rc;
}
Exemplo n.º 8
0
static void initialize_map(expression * e)
{
    allocate_buf(e);
    e->data.map.idx = open_map(e->data.map.name, e->data.map.mod,
			       e->data.map.row, e->data.map.col);
}
Exemplo n.º 9
0
static void initialize_constant(expression * e)
{
    allocate_buf(e);
}
Exemplo n.º 10
0
int test_ctx_reset()
{
    int rc;
    struct ctx myctx;
    struct ctx *p_ctx= &myctx;
    pthread_t thread;
    __u64 buf_size = 0x2000000; //32MB 
    __u64 chunk = 10;
    __u64 stride = 0x1000;
    struct rwlargebuf rwbuf;
    int i;

    pid=getpid();
    rc = ctx_init(p_ctx);
    CHECK_RC(rc, "ctx_init failed");
    pthread_create(&thread, NULL, ctx_rrq_rx, p_ctx);

    rc = create_resource(p_ctx,chunk*p_ctx->chunk_size,DK_UVF_ASSIGN_PATH,LUN_VIRTUAL);
    CHECK_RC(rc, "create LUN_VIRTUAL failed");

    //do bad EA
    if (1)
    {
        debug("%d: ........place bad EA....\n", pid);
        fill_send_write(p_ctx, 0, pid, stride);
        for (i = 0; i < NUM_CMDS; i++)
        {
            p_ctx->cmd[i].rcb.data_ea = (__u64)0x1234;
        }
        bad_address = true;
        send_cmd(p_ctx);
        rc = wait_resp(p_ctx);
        sleep(1);
        //normal IO
        bad_address = false;
        debug("%d: .........after bad EA, do normal IO....\n", pid);
        rc = do_io(p_ctx, stride);
        CHECK_RC(rc,"Normal IO failed after bad EA");

        //do bad RCB
        debug("%d: .........place bad RCB....\n", pid);
        bad_address = true;
        place_bad_addresses(p_ctx, 1);
        sleep(2);
        //normal IO
        debug("%d: ......after bad RCB, do normal IO....\n", pid);
        bad_address = false;
        rc = do_io(p_ctx, stride);
        CHECK_RC(rc,"Normal IO failed after bad RCB");
#ifdef _AIX
        rc = setRUnlimited();
        CHECK_RC(rc,"setRUnlimited() failed"); 
#endif
    }
    //do large _transfer
    debug("%d: Do large transfer ....\n", pid);
    rc = allocate_buf(&rwbuf, buf_size);
    CHECK_RC(rc, "memory allocation failed");
    rc = do_large_io(p_ctx, &rwbuf, buf_size);
    deallocate_buf(&rwbuf);
    buf_size = 0x100000; //4k
    rc = allocate_buf(&rwbuf, buf_size);
    CHECK_RC(rc, "memory allocation failed");
    //normal io
    debug("%d: after large transfer,do normal IO ....\n", pid);
    rc = do_io(p_ctx, 0x10000);
    //rc = do_large_io(p_ctx, &rwbuf, buf_size);
    CHECK_RC(rc,"Normal IO failed after large transfer");

    pthread_cancel(thread);
    close_res(p_ctx);
    ctx_close(p_ctx);
    return rc;
}
Exemplo n.º 11
0
/// Listener loop.
void* FDHTTPServer::listener_loop()
{
	int ret = 0;
	char* current_data_buf = NULL;
	int connection_socket = -1;
	int recv_ret = -1;
	FDHTTPConnectionPtr current_connection = NULL;
	struct linger so_linger;
	so_linger.l_onoff = 1;
	so_linger.l_linger = 5;

	pthread_attr_t attr;
	pthread_t connection_thread;
	pthread_attr_init(&attr);
	pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);

	is_running_ = true;

	listener_fd_set_[0].fd = unix_domain_socket_fd_;
	listener_fd_set_[0].events = POLLIN;

	while(is_running_)
	{
		ret = poll(listener_fd_set_, 1, LISTENER_TIMEOUT);

#ifdef DEBUG_HTTP_SERVER
		fprintf(stdout,"listener poll ...............\n");
#endif
		if(ret == -1)
		{
			if(EINTR == errno)
				continue;

			fprintf(stderr,"listener poll error: %s\n", strerror(errno));
			break;
		}

		if(ret == 0)
		{
			// timeout
#ifdef DEBUG_HTTP_SERVER
			fprintf(stdout,"listen timeout.\n");
#endif
			continue;
		}

		if(listener_fd_set_[0].revents & POLLIN)
		{
			if(current_data_buf == NULL)
			{
				current_data_buf = allocate_buf();
			}

			memset(current_data_buf, 0, max_buffer_size_);

			// Receive the network socket and data from Unix domain socket.
			recv_ret = get_fd(unix_domain_socket_fd_, &connection_socket, (void*)current_data_buf, max_buffer_size_-1);
			if(recv_ret <= 0)
			{
				break;
			}

			// Avoid the child process references the file descriptor and do not close it.
			fcntl(connection_socket, F_SETFD, FD_CLOEXEC | fcntl(connection_socket, F_GETFD));

			// Set linger
			ret = setsockopt(connection_socket, SOL_SOCKET, SO_LINGER, (void*) &so_linger, sizeof(so_linger));
			if(ret == -1)
			{
				fprintf(stderr,"setsockopt (linger) error: %s\n", strerror(errno));
			}

			if(connection_socket <= 0)
			{
				continue;
			}

			current_data_buf[recv_ret] = '\0';

			assert(current_connection == NULL);

			// Create connection.
			current_connection = new FDHTTPConnection(http_request_handler_, std::bind(&FDHTTPServer::connection_exit_callback, this, std::placeholders::_1));
			current_connection->Init(connection_socket, current_data_buf, max_buffer_size_, recv_ret);

			if(!is_running_)
			{
				close(connection_socket);
				connection_socket = -1;
				break;
			}

			// Use map to record the connection and data buffer.
			pthread_mutex_lock(&map_mutex_);
			assert(con_buf_map_.find(current_connection) == con_buf_map_.end());
			con_buf_map_[current_connection] = current_data_buf;
			pthread_mutex_unlock(&map_mutex_);

			// Start connection.
			int rc = pthread_create(&connection_thread, &attr, &FDHTTPServer::start_connection_helper, current_connection);
			if(rc)
			{
				fprintf(stderr,"ERROR: return code from pthread_create() for connection is %d\n", rc);
				pthread_mutex_lock(&map_mutex_);
				con_buf_map_.erase(current_connection);
				pthread_mutex_unlock(&map_mutex_);

				delete current_connection;
				current_connection = NULL;

				close(connection_socket);
				connection_socket = -1;
			}

			current_data_buf = NULL;
			current_connection = NULL;
			connection_socket = -1;
		}
	}

	// Reclaim current_data_buf, current_connection etc
	if(current_connection)
	{
		current_connection->Stop();
		delete current_connection;
		current_connection = NULL;
	}

	if(current_data_buf)
	{
		delete current_data_buf;
		current_data_buf = NULL;
	}

	if(connection_socket > 0)
	{
		close(connection_socket);
	}
	connection_socket = -1;

	pthread_attr_destroy(&attr);
	is_running_ = false;
	pthread_exit(NULL);
}
Exemplo n.º 12
0
int sfs_readdir(int fd, char *mem_pointer)
{
	inode directory = get_null_inode();
	locations index_block = NULL;
	uint32_t inode_location = 0;
	uint32_t i = 0;
	uint32_t num_locations = 0;
	int count = 0;
	byte* buf = NULL;

	if(fd >= 0 && fd < NUMOFL)
	{

		/* Validate the file descriptor */
		if(validate_fd(fd) < 0)
		{
			/*
			 * file descriptor not found in swoft
			 */
			print_error(INVALID_FILE_DESCRIPTOR);
			return -1;
		}

		/*
		 * Retrieve the contents of the directory's index block. Use the Inode
		 * to retrieve the names of the contents. Store the values into
		 * mem_pointer.
		 */
		directory = get_swoft_inode(fd);

		/* If the inode is not a directory return an error */
		if(directory.type != 1)
		{
			/*
			 * Invalid file type error
			 */
			print_error(INVALID_FILE_TYPE);
			return -1;
		}

		/*
		 * Iterate through the index block
		 * when the directory is empty
		 */
		index_block = iterate_index(directory.location, NULL);

		if(index_block == NULL)
		{
			/*
			 * Invalid index block
			 */
			print_error(INDEX_ALLOCATION_ERROR);
			return -1;
		}

		num_locations = count_files_in_dir(directory.location);

		if(num_locations < 0)
		{
			/*
			 * Invalid index block
			 */
			print_error(INDEX_ALLOCATION_ERROR);
			return -1;
		}

		if(num_locations == 0)
		{
			/*
			 * Empty Directory Read
			 */
			print_error(DIRECTORY_EMPTY);
			return 0;
		}

		int cur_index = get_index_entry(*get_inode(directory.location));

		if(num_locations == cur_index)
		{
			reset_index_entry();
			return 0;
		}

		char* name = get_name(index_block[cur_index]);
		strcpy(mem_pointer, name);

		/* Update the directory inode date last accessed and write the inode back to disk */
		directory.date_last_accessed = time(NULL);

		/* Get the inode location */
		inode_location = get_inode_loc(fd);

		buf = allocate_buf(buf, BLKSIZE);
		buf = (byte *) copy_to_buf((byte *) &directory, (byte *) buf, sizeof(inode), BLKSIZE);

		if(write_block(inode_location, buf) < 0)
		{
			free(buf);
			print_error(DISK_WRITE_ERROR);
			return -1;
		}
		free(buf);

		/*
		 * return value > 0 for a successful read dir
		 * return value = 0 if there is no contents in dir
		 * return value < 0 for a unsuccessful read dir
		 */
		print_error(SUCCESS);
		return 1;
	}

	print_error(UNKNOWN);
	return -1;
}