/* * This file is part of the libpayload project. * * Copyright (C) 2012 secunet Security Networks AG * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifndef _STORAGE_ATAPI_H #define _STORAGE_ATAPI_H #include <stdint.h> #include "storage.h" #include "ata.h" /* ATAPI commands */ enum { ATAPI_TEST_UNIT_READY = 0x00, ATAPI_REQUEST_SENSE = 0x03, ATAPI_START_STOP_UNIT = 0x1b, ATAPI_PREVENT_ALLOW_MEDIUM_REMOVAL = 0x1e, ATAPI_READ_CAPACITY = 0x25, ATAPI_READ_10 = 0x28, }; /* ATAPI sense codes */ enum { ATAPI_SENSE_NOT_READY = 0x02, ATAPI_SENSE_UNIT_ATTENTION = 0x06, }; /* ATAPI additional sense codes (particularize the above) */ enum { ATAPI_ADDITIONAL_SENSE_LOGICAL_UNIT_NOT_READY = 0x04, ATAPI_ADDITIONAL_SENSE_MEDIUM_NOT_PRESENT = 0x3a, }; struct atapi_dev; typedef struct atapi_dev { /* Keep this at offset 0 so we can cast to ata_dev_t. */ ata_dev_t ata_dev; int (*identify)(struct ata_dev *, u8 *buf); /* yes, ata_dev_t */ ssize_t (*packet_read_cmd)(struct atapi_dev *, const u8 *cmd, size_t cmdlen, u8 *buf, size_t buflen); u8 sense_data[19]; /* We needed 19 in usbmsc.c. */ u8 medium_present; void (*detach_device)(struct atapi_dev *); } atapi_dev_t; int atapi_attach_device(atapi_dev_t *, storage_port_t); #endif