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 */ 92