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/*-
* Copyright (c) 2011 Advanced Computing Technologies LLC
* Written by: John H. Baldwin <jhb@FreeBSD.org>
* All rights reserved.
*
* 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.
*
* 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.
*
* $FreeBSD: release/9.1.0/sys/boot/i386/common/edd.h 227400 2011-11-09 18:26:19Z jhb $
*/
#ifndef _EDD_H_
#define _EDD_H_
/* Supported interfaces for "Check Extensions Present". */
#define EDD_INTERFACE_FIXED_DISK 0x01
#define EDD_INTERFACE_EJECT 0x02
#define EDD_INTERFACE_EDD 0x04
struct edd_packet {
uint16_t len;
uint16_t count;
uint16_t off;
uint16_t seg;
uint64_t lba;
};
struct edd_packet_v3 {
uint16_t len;
uint16_t count;
uint16_t off;
uint16_t seg;
uint64_t lba;
uint64_t phys_addr;
};
struct edd_params {
uint16_t len;
uint16_t flags;
uint32_t cylinders;
uint32_t heads;
uint32_t sectors_per_track;
uint64_t sectors;
uint16_t sector_size;
uint16_t edd_params_seg;
uint16_t edd_params_off;
};
struct edd_device_path_v3 {
uint16_t key;
uint8_t len;
uint8_t reserved[3];
char host_bus[4];
char interface[8];
uint64_t interface_path;
uint64_t device_path;
uint8_t reserved2[1];
uint8_t checksum;
};
struct edd_params_v3 {
struct edd_params params;
struct edd_device_path_v3 device_path;
};
struct edd_device_path_v4 {
uint16_t key;
uint8_t len;
uint8_t reserved[3];
char host_bus[4];
char interface[8];
uint64_t interface_path;
uint64_t device_path[2];
uint8_t reserved2[1];
uint8_t checksum;
};
struct edd_params_v4 {
struct edd_params params;
struct edd_device_path_v4 device_path;
};
#define EDD_FLAGS_DMA_BOUNDARY_HANDLING 0x0001
#define EDD_FLAGS_REMOVABLE_MEDIA 0x0002
#define EDD_FLAGS_WRITE_VERIFY 0x0004
#define EDD_FLAGS_MEDIA_CHANGE_NOTIFICATION 0x0008
#define EDD_FLAGS_LOCKABLE_MEDIA 0x0010
#define EDD_FLAGS_NO_MEDIA_PRESENT 0x0020
#define EDD_DEVICE_PATH_KEY 0xbedd
#endif /* !_EDD_H_ */