560d7d4d2f
In order to support grub2 in Xen PVH environment some additional Xen headers are needed as grub2 will be started in PVH mode requiring to use several HVM hypercalls and structures. Add the needed headers from Xen 4.10 being the first Xen version with full (not only experimental) PVH guest support. Signed-off-by: Juergen Gross <jgross@suse.com> Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com> Tested-by: Hans van Kranenburg <hans@knorrie.org>
98 lines
4.3 KiB
C
98 lines
4.3 KiB
C
/*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Copyright (c) 2016, Citrix Systems, Inc.
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*/
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#ifndef __XEN_PUBLIC_ARCH_X86_HVM_START_INFO_H__
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#define __XEN_PUBLIC_ARCH_X86_HVM_START_INFO_H__
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/*
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* Start of day structure passed to PVH guests and to HVM guests in %ebx.
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*
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* NOTE: nothing will be loaded at physical address 0, so a 0 value in any
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* of the address fields should be treated as not present.
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*
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* 0 +----------------+
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* | magic | Contains the magic value XEN_HVM_START_MAGIC_VALUE
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* | | ("xEn3" with the 0x80 bit of the "E" set).
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* 4 +----------------+
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* | version | Version of this structure. Current version is 0. New
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* | | versions are guaranteed to be backwards-compatible.
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* 8 +----------------+
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* | flags | SIF_xxx flags.
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* 12 +----------------+
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* | nr_modules | Number of modules passed to the kernel.
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* 16 +----------------+
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* | modlist_paddr | Physical address of an array of modules
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* | | (layout of the structure below).
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* 24 +----------------+
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* | cmdline_paddr | Physical address of the command line,
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* | | a zero-terminated ASCII string.
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* 32 +----------------+
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* | rsdp_paddr | Physical address of the RSDP ACPI data structure.
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* 40 +----------------+
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*
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* The layout of each entry in the module structure is the following:
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*
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* 0 +----------------+
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* | paddr | Physical address of the module.
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* 8 +----------------+
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* | size | Size of the module in bytes.
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* 16 +----------------+
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* | cmdline_paddr | Physical address of the command line,
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* | | a zero-terminated ASCII string.
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* 24 +----------------+
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* | reserved |
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* 32 +----------------+
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*
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* The address and sizes are always a 64bit little endian unsigned integer.
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*
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* NB: Xen on x86 will always try to place all the data below the 4GiB
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* boundary.
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*/
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#define XEN_HVM_START_MAGIC_VALUE 0x336ec578
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/*
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* C representation of the x86/HVM start info layout.
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*
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* The canonical definition of this layout is above, this is just a way to
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* represent the layout described there using C types.
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*/
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struct hvm_start_info {
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uint32_t magic; /* Contains the magic value 0x336ec578 */
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/* ("xEn3" with the 0x80 bit of the "E" set).*/
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uint32_t version; /* Version of this structure. */
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uint32_t flags; /* SIF_xxx flags. */
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uint32_t nr_modules; /* Number of modules passed to the kernel. */
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uint64_t modlist_paddr; /* Physical address of an array of */
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/* hvm_modlist_entry. */
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uint64_t cmdline_paddr; /* Physical address of the command line. */
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uint64_t rsdp_paddr; /* Physical address of the RSDP ACPI data */
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/* structure. */
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};
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struct hvm_modlist_entry {
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uint64_t paddr; /* Physical address of the module. */
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uint64_t size; /* Size of the module in bytes. */
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uint64_t cmdline_paddr; /* Physical address of the command line. */
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uint64_t reserved;
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};
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#endif /* __XEN_PUBLIC_ARCH_X86_HVM_START_INFO_H__ */
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