| Marc Zyngier | 2fbadc3 | 2016-12-02 14:19:35 +0000 | [diff] [blame] | 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 | long privcmd_call(unsigned call, unsigned long a1, |
| 43 | unsigned long a2, unsigned long a3, |
| 44 | unsigned long a4, unsigned long a5); |
| 45 | int HYPERVISOR_xen_version(int cmd, void *arg); |
| 46 | int HYPERVISOR_console_io(int cmd, int count, char *str); |
| 47 | int HYPERVISOR_grant_table_op(unsigned int cmd, void *uop, unsigned int count); |
| 48 | int HYPERVISOR_sched_op(int cmd, void *arg); |
| 49 | int HYPERVISOR_event_channel_op(int cmd, void *arg); |
| 50 | unsigned long HYPERVISOR_hvm_op(int op, void *arg); |
| 51 | int HYPERVISOR_memory_op(unsigned int cmd, void *arg); |
| 52 | int HYPERVISOR_physdev_op(int cmd, void *arg); |
| 53 | int HYPERVISOR_vcpu_op(int cmd, int vcpuid, void *extra_args); |
| 54 | int HYPERVISOR_tmem_op(void *arg); |
| 55 | int HYPERVISOR_vm_assist(unsigned int cmd, unsigned int type); |
| 56 | int HYPERVISOR_platform_op_raw(void *arg); |
| 57 | static inline int HYPERVISOR_platform_op(struct xen_platform_op *op) |
| 58 | { |
| 59 | op->interface_version = XENPF_INTERFACE_VERSION; |
| 60 | return HYPERVISOR_platform_op_raw(op); |
| 61 | } |
| 62 | int HYPERVISOR_multicall(struct multicall_entry *calls, uint32_t nr); |
| 63 | |
| 64 | static inline int |
| 65 | HYPERVISOR_suspend(unsigned long start_info_mfn) |
| 66 | { |
| 67 | struct sched_shutdown r = { .reason = SHUTDOWN_suspend }; |
| 68 | |
| 69 | /* start_info_mfn is unused on ARM */ |
| 70 | return HYPERVISOR_sched_op(SCHEDOP_shutdown, &r); |
| 71 | } |
| 72 | |
| 73 | static inline void |
| 74 | MULTI_update_va_mapping(struct multicall_entry *mcl, unsigned long va, |
| 75 | unsigned int new_val, unsigned long flags) |
| 76 | { |
| 77 | BUG(); |
| 78 | } |
| 79 | |
| 80 | static inline void |
| 81 | MULTI_mmu_update(struct multicall_entry *mcl, struct mmu_update *req, |
| 82 | int count, int *success_count, domid_t domid) |
| 83 | { |
| 84 | BUG(); |
| 85 | } |
| 86 | |
| 87 | #endif /* _ASM_ARM_XEN_HYPERCALL_H */ |