1 /* 2 * Copyright (c) 2011 Hudson River Trading LLC 3 * Written by: John H. Baldwin <jhb@FreeBSD.org> 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28 #ifndef _EDD_H_ 29 #define _EDD_H_ 30 31 /* Supported interfaces for "Check Extensions Present". */ 32 #define EDD_INTERFACE_FIXED_DISK 0x01 33 #define EDD_INTERFACE_EJECT 0x02 34 #define EDD_INTERFACE_EDD 0x04 35 36 struct edd_packet { 37 uint16_t len; 38 uint16_t count; 39 uint16_t off; 40 uint16_t seg; 41 uint64_t lba; 42 }; 43 44 struct edd_packet_v3 { 45 uint16_t len; 46 uint16_t count; 47 uint16_t off; 48 uint16_t seg; 49 uint64_t lba; 50 uint64_t phys_addr; 51 }; 52 53 struct edd_params { 54 uint16_t len; 55 uint16_t flags; 56 uint32_t cylinders; 57 uint32_t heads; 58 uint32_t sectors_per_track; 59 uint64_t sectors; 60 uint16_t sector_size; 61 uint16_t edd_params_seg; 62 uint16_t edd_params_off; 63 } __packed; 64 65 struct edd_device_path_v3 { 66 uint16_t key; 67 uint8_t len; 68 uint8_t reserved[3]; 69 char host_bus[4]; 70 char interface[8]; 71 uint64_t interface_path; 72 uint64_t device_path[2]; 73 uint8_t reserved2[1]; 74 uint8_t checksum; 75 } __packed; 76 77 struct edd_params_v3 { 78 struct edd_params params; 79 struct edd_device_path_v3 device_path; 80 } __packed; 81 82 #define EDD_FLAGS_DMA_BOUNDARY_HANDLING 0x0001 83 #define EDD_FLAGS_REMOVABLE_MEDIA 0x0002 84 #define EDD_FLAGS_WRITE_VERIFY 0x0004 85 #define EDD_FLAGS_MEDIA_CHANGE_NOTIFICATION 0x0008 86 #define EDD_FLAGS_LOCKABLE_MEDIA 0x0010 87 #define EDD_FLAGS_NO_MEDIA_PRESENT 0x0020 88 89 #define EDD_DEVICE_PATH_KEY 0xbedd 90 91 #define EDD_QUERY_MAGIC 0x55aa 92 #define EDD_INSTALLED 0xaa55 93 94 #endif /* !_EDD_H_ */ 95