cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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hypercall.h (3127B)

      1/******************************************************************************
      2 * hypercall.h
      3 *
      4 * Linux-specific hypervisor handling.
      5 *
      6 * Stefano Stabellini <stefano.stabellini@eu.citrix.com>, Citrix, 2012
      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_ARM_XEN_HYPERCALL_H
     34#define _ASM_ARM_XEN_HYPERCALL_H
     35
     36#include <linux/bug.h>
     37
     38#include <xen/interface/xen.h>
     39#include <xen/interface/sched.h>
     40#include <xen/interface/platform.h>
     41
     42struct xen_dm_op_buf;
     43
     44long privcmd_call(unsigned call, unsigned long a1,
     45		unsigned long a2, unsigned long a3,
     46		unsigned long a4, unsigned long a5);
     47int HYPERVISOR_xen_version(int cmd, void *arg);
     48int HYPERVISOR_console_io(int cmd, int count, char *str);
     49int HYPERVISOR_grant_table_op(unsigned int cmd, void *uop, unsigned int count);
     50int HYPERVISOR_sched_op(int cmd, void *arg);
     51int HYPERVISOR_event_channel_op(int cmd, void *arg);
     52unsigned long HYPERVISOR_hvm_op(int op, void *arg);
     53int HYPERVISOR_memory_op(unsigned int cmd, void *arg);
     54int HYPERVISOR_physdev_op(int cmd, void *arg);
     55int HYPERVISOR_vcpu_op(int cmd, int vcpuid, void *extra_args);
     56int HYPERVISOR_vm_assist(unsigned int cmd, unsigned int type);
     57int HYPERVISOR_dm_op(domid_t domid, unsigned int nr_bufs,
     58		     struct xen_dm_op_buf *bufs);
     59int HYPERVISOR_platform_op_raw(void *arg);
     60static inline int HYPERVISOR_platform_op(struct xen_platform_op *op)
     61{
     62	op->interface_version = XENPF_INTERFACE_VERSION;
     63	return HYPERVISOR_platform_op_raw(op);
     64}
     65int HYPERVISOR_multicall(struct multicall_entry *calls, uint32_t nr);
     66
     67static inline int
     68HYPERVISOR_suspend(unsigned long start_info_mfn)
     69{
     70	struct sched_shutdown r = { .reason = SHUTDOWN_suspend };
     71
     72	/* start_info_mfn is unused on ARM */
     73	return HYPERVISOR_sched_op(SCHEDOP_shutdown, &r);
     74}
     75
     76#endif /* _ASM_ARM_XEN_HYPERCALL_H */