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95 lines
2.7 KiB
C
95 lines
2.7 KiB
C
/*-
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* Copyright (c) 2011 Hudson River Trading LLC
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* Written by: John H. Baldwin <jhb@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _EDD_H_
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#define _EDD_H_
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/* Supported interfaces for "Check Extensions Present". */
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#define EDD_INTERFACE_FIXED_DISK 0x01
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#define EDD_INTERFACE_EJECT 0x02
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#define EDD_INTERFACE_EDD 0x04
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struct edd_packet {
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uint16_t len;
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uint16_t count;
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uint16_t off;
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uint16_t seg;
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uint64_t lba;
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};
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struct edd_packet_v3 {
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uint16_t len;
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uint16_t count;
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uint16_t off;
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uint16_t seg;
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uint64_t lba;
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uint64_t phys_addr;
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};
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struct edd_params {
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uint16_t len;
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uint16_t flags;
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uint32_t cylinders;
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uint32_t heads;
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uint32_t sectors_per_track;
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uint64_t sectors;
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uint16_t sector_size;
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uint16_t edd_params_seg;
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uint16_t edd_params_off;
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} __packed;
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struct edd_device_path_v3 {
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uint16_t key;
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uint8_t len;
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uint8_t reserved[3];
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char host_bus[4];
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char interface[8];
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uint64_t interface_path;
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uint64_t device_path[2];
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uint8_t reserved2[1];
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uint8_t checksum;
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} __packed;
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struct edd_params_v3 {
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struct edd_params params;
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struct edd_device_path_v3 device_path;
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} __packed;
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#define EDD_FLAGS_DMA_BOUNDARY_HANDLING 0x0001
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#define EDD_FLAGS_REMOVABLE_MEDIA 0x0002
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#define EDD_FLAGS_WRITE_VERIFY 0x0004
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#define EDD_FLAGS_MEDIA_CHANGE_NOTIFICATION 0x0008
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#define EDD_FLAGS_LOCKABLE_MEDIA 0x0010
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#define EDD_FLAGS_NO_MEDIA_PRESENT 0x0020
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#define EDD_DEVICE_PATH_KEY 0xbedd
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#define EDD_QUERY_MAGIC 0x55aa
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#define EDD_INSTALLED 0xaa55
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#endif /* !_EDD_H_ */
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