| 1 | /******************************************************************************
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| 2 | * ahciidc.h - definitions for the OS2AHCI IDC interface
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| 3 | *
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| 4 | * Copyright (c) 2011 thi.guten Software Development
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| 5 | * Copyright (c) 2011 Mensys B.V.
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| 6 | * Copyright (c) 2013-2016 David Azarewicz
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| 7 | *
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| 8 | * Authors: Christian Mueller, Markus Thielen
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| 9 | *
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| 10 | * Parts copied from/inspired by the Linux AHCI driver;
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| 11 | * those parts are (c) Linux AHCI/ATA maintainers
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| 12 | *
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| 13 | * This program is free software; you can redistribute it and/or modify
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| 14 | * it under the terms of the GNU General Public License as published by
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| 15 | * the Free Software Foundation; either version 2 of the License, or
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| 16 | * (at your option) any later version.
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| 17 | *
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| 18 | * This program is distributed in the hope that it will be useful,
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| 19 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 20 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 21 | * GNU General Public License for more details.
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| 22 | *
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| 23 | * You should have received a copy of the GNU General Public License
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| 24 | * along with this program; if not, write to the Free Software
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| 25 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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| 26 | */
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| 27 |
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| 28 |
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| 29 | /* -------------------------- macros and constants ------------------------- */
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| 30 |
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| 31 | /* IDC category */
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| 32 | #define OS2AHCI_IDC_CATEGORY 0x88
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| 33 |
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| 34 | /* enter BIOS mode (e.g. to generate trap dumps)
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| 35 | * Request packet parameters: None
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| 36 | */
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| 37 | #define OS2AHCI_IDC_BIOSMODE 0x66
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| 38 |
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| 39 | /* test IOCTL; does nothing but BEEP
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| 40 | * Request packet parameters: None
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| 41 | */
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| 42 | #define OS2AHCI_IDC_BEEP 0x67
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| 43 |
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| 44 |
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| 45 | /* ------------------------ typedefs and structures ------------------------ */
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| 46 |
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| 47 | /* AHCI_IDC_ENTRY defines a function pointer to the OS2AHCI IDC entry point */
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| 48 | typedef void (_cdecl *PFN_AHCI_IDC_ENTRY) (unsigned short real_ds, REQPACKET *ioctl);
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| 49 |
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| 50 | #pragma pack(1)
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| 51 |
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| 52 | /*
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| 53 | * AHCI_ATTACH_AREA defines the device driver attach table as required
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| 54 | * to attach to os2ahci.add using DevHelp_AttachDD
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| 55 | */
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| 56 | typedef struct
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| 57 | {
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| 58 | PFN_AHCI_IDC_ENTRY real_entry_point; /* real mode entry point address */
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| 59 | unsigned short real_ds; /* real mode DS */
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| 60 |
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| 61 | PFN_AHCI_IDC_ENTRY prot_entry_point; /* protected mode entry point address */
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| 62 | unsigned short prot_ds; /* protected mode DS */
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| 63 | } AHCI_ATTACH_AREA;
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| 64 |
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| 65 | #pragma pack()
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| 66 |
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| 67 | /* -------------------------- function prototypes -------------------------- */
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| 68 |
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| 69 | /* ------------------------ global/static variables ------------------------ */
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| 70 |
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| 71 |
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