include/xen/arm/hypercall.h

   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
  42 struct xen_dm_op_buf;
  43
  44 long privcmd_call(unsigned call, unsigned long a1,
  45                 unsigned long a2, unsigned long a3,
  46                 unsigned long a4, unsigned long a5);
  47 int HYPERVISOR_xen_version(int cmd, void *arg);
  48 int HYPERVISOR_console_io(int cmd, int count, char *str);
  49 int HYPERVISOR_grant_table_op(unsigned int cmd, void *uop, unsigned int count);
  50 int HYPERVISOR_sched_op(int cmd, void *arg);
  51 int HYPERVISOR_event_channel_op(int cmd, void *arg);
  52 unsigned long HYPERVISOR_hvm_op(int op, void *arg);
  53 int HYPERVISOR_memory_op(unsigned int cmd, void *arg);
  54 int HYPERVISOR_physdev_op(int cmd, void *arg);
  55 int HYPERVISOR_vcpu_op(int cmd, int vcpuid, void *extra_args);
  56 int HYPERVISOR_tmem_op(void *arg);
  57 int HYPERVISOR_vm_assist(unsigned int cmd, unsigned int type);
  58 int HYPERVISOR_dm_op(domid_t domid, unsigned int nr_bufs,
  59                      struct xen_dm_op_buf *bufs);
  60 int HYPERVISOR_platform_op_raw(void *arg);
  61 static inline int HYPERVISOR_platform_op(struct xen_platform_op *op)
  62 {
  63         op->interface_version = XENPF_INTERFACE_VERSION;
  64         return HYPERVISOR_platform_op_raw(op);
  65 }
  66 int HYPERVISOR_multicall(struct multicall_entry *calls, uint32_t nr);
  67
  68 static inline int
  69 HYPERVISOR_suspend(unsigned long start_info_mfn)
  70 {
  71         struct sched_shutdown r = { .reason = SHUTDOWN_suspend };
  72
  73         /* start_info_mfn is unused on ARM */
  74         return HYPERVISOR_sched_op(SCHEDOP_shutdown, &r);
  75 }
  76
  77 static inline void
  78 MULTI_update_va_mapping(struct multicall_entry *mcl, unsigned long va,
  79                         unsigned int new_val, unsigned long flags)
  80 {
  81         BUG();
  82 }
  83
  84 static inline void
  85 MULTI_mmu_update(struct multicall_entry *mcl, struct mmu_update *req,
  86                  int count, int *success_count, domid_t domid)
  87 {
  88         BUG();
  89 }
  90
  91 #endif /* _ASM_ARM_XEN_HYPERCALL_H */