cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

hypervisor.h (2337B)

      1/******************************************************************************
      2 * hypervisor.h
      3 *
      4 * Linux-specific hypervisor handling.
      5 *
      6 * Copyright (c) 2002-2004, K A Fraser
      7 *
      8 * This program is free software; you can redistribute it and/or
      9 * modify it under the terms of the GNU General Public License version 2
     10 * as published by the Free Software Foundation; or, when distributed
     11 * separately from the Linux kernel or incorporated into other
     12 * software packages, subject to the following license:
     13 *
     14 * Permission is hereby granted, free of charge, to any person obtaining a copy
     15 * of this source file (the "Software"), to deal in the Software without
     16 * restriction, including without limitation the rights to use, copy, modify,
     17 * merge, publish, distribute, sublicense, and/or sell copies of the Software,
     18 * and to permit persons to whom the Software is furnished to do so, subject to
     19 * the following conditions:
     20 *
     21 * The above copyright notice and this permission notice shall be included in
     22 * all copies or substantial portions of the Software.
     23 *
     24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     25 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     26 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
     27 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     28 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
     29 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
     30 * IN THE SOFTWARE.
     31 */
     32
     33#ifndef _ASM_X86_XEN_HYPERVISOR_H
     34#define _ASM_X86_XEN_HYPERVISOR_H
     35
     36extern struct shared_info *HYPERVISOR_shared_info;
     37extern struct start_info *xen_start_info;
     38
     39#include <asm/processor.h>
     40
     41static inline uint32_t xen_cpuid_base(void)
     42{
     43	return hypervisor_cpuid_base("XenVMMXenVMM", 2);
     44}
     45
     46struct pci_dev;
     47
     48#ifdef CONFIG_XEN_PV_DOM0
     49bool xen_initdom_restore_msi(struct pci_dev *dev);
     50#else
     51static inline bool xen_initdom_restore_msi(struct pci_dev *dev) { return true; }
     52#endif
     53
     54#ifdef CONFIG_HOTPLUG_CPU
     55void xen_arch_register_cpu(int num);
     56void xen_arch_unregister_cpu(int num);
     57#endif
     58
     59#ifdef CONFIG_PVH
     60void __init xen_pvh_init(struct boot_params *boot_params);
     61void __init mem_map_via_hcall(struct boot_params *boot_params_p);
     62#endif
     63
     64#endif /* _ASM_X86_XEN_HYPERVISOR_H */