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