metadata.h

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    1 /*-
    2  * Copyright (c) 2003 Peter Wemm <peter@FreeBSD.org>
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  * 1. Redistributions of source code must retain the above copyright
    9  *    notice, this list of conditions and the following disclaimer.
   10  * 2. Redistributions in binary form must reproduce the above copyright
   11  *    notice, this list of conditions and the following disclaimer in the
   12  *    documentation and/or other materials provided with the distribution.
   13  *
   14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   24  * SUCH DAMAGE.
   25  *
   26  * $FreeBSD$
   27  */
   28 
   29 #ifndef _MACHINE_METADATA_H_
   30 #define _MACHINE_METADATA_H_
   31 
   32 #define MODINFOMD_SMAP          0x1001
   33 #define MODINFOMD_SMAP_XATTR    0x1002
   34 #define MODINFOMD_DTBP          0x1003
   35 #define MODINFOMD_EFI_MAP       0x1004
   36 #define MODINFOMD_EFI_FB        0x1005
   37 #define MODINFOMD_MODULEP       0x1006
   38 #define MODINFOMD_VBE_FB        0x1007
   39 
   40 struct efi_map_header {
   41         uint64_t        memory_size;
   42         uint64_t        descriptor_size;
   43         uint32_t        descriptor_version;
   44 };
   45 
   46 struct efi_fb {
   47         uint64_t        fb_addr;
   48         uint64_t        fb_size;
   49         uint32_t        fb_height;
   50         uint32_t        fb_width;
   51         uint32_t        fb_stride;
   52         uint32_t        fb_mask_red;
   53         uint32_t        fb_mask_green;
   54         uint32_t        fb_mask_blue;
   55         uint32_t        fb_mask_reserved;
   56 };
   57 
   58 struct vbe_fb {
   59         uint64_t        fb_addr;
   60         uint64_t        fb_size;
   61         uint32_t        fb_height;
   62         uint32_t        fb_width;
   63         uint32_t        fb_stride;
   64         uint32_t        fb_mask_red;
   65         uint32_t        fb_mask_green;
   66         uint32_t        fb_mask_blue;
   67         uint32_t        fb_mask_reserved;
   68         uint32_t        fb_bpp;
   69 };
   70 
   71 /*
   72  * The structure below is used when FreeBSD kernel is booted as a dom0 kernel
   73  * from Xen. In such scenario we need to accommodate the modules and the
   74  * metadata as a contiguous memory region, so it can be passed as a multiboot
   75  * module, and some extra information is required which is conveyed from the
   76  * loader to the kernel using the xen_header structure below.
   77  *
   78  * See the comment in multiboot.c about how the structure below is packaged
   79  * together with the rest of the kernel payload data.
   80  */
   81 struct xen_header {
   82         uint64_t        flags;
   83 #define XENHEADER_HAS_MODULEP_OFFSET (1ull << 0)
   84 
   85         /*
   86          * Offset of the modulep location from the start of the multiboot
   87          * module blob.
   88          */
   89         uint64_t        modulep_offset;
   90 };
   91 
   92 #endif /* !_MACHINE_METADATA_H_ */

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FreeBSD/Linux Kernel Cross Reference sys/x86/include/metadata.h

FreeBSD/Linux Kernel Cross Reference
sys/x86/include/metadata.h