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git.proxmox.com Git - mirror_ubuntu-zesty-kernel.git/blob - arch/arm64/include/asm/kvm_mmio.h
2 * Copyright (C) 2012 - Virtual Open Systems and Columbia University
3 * Author: Christoffer Dall <c.dall@virtualopensystems.com>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License, version 2, as
7 * published by the Free Software Foundation.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
18 #ifndef __ARM64_KVM_MMIO_H__
19 #define __ARM64_KVM_MMIO_H__
21 #include <linux/kvm_host.h>
22 #include <asm/kvm_asm.h>
23 #include <asm/kvm_arm.h>
26 * This is annoying. The mmio code requires this, even if we don't
27 * need any decoding. To be fixed.
35 * The in-kernel MMIO emulation code wants to use a copy of run->mmio,
36 * which is an anonymous type. Use our own type instead.
38 struct kvm_exit_mmio
{
39 phys_addr_t phys_addr
;
46 static inline void kvm_prepare_mmio(struct kvm_run
*run
,
47 struct kvm_exit_mmio
*mmio
)
49 run
->mmio
.phys_addr
= mmio
->phys_addr
;
50 run
->mmio
.len
= mmio
->len
;
51 run
->mmio
.is_write
= mmio
->is_write
;
52 memcpy(run
->mmio
.data
, mmio
->data
, mmio
->len
);
53 run
->exit_reason
= KVM_EXIT_MMIO
;
56 int kvm_handle_mmio_return(struct kvm_vcpu
*vcpu
, struct kvm_run
*run
);
57 int io_mem_abort(struct kvm_vcpu
*vcpu
, struct kvm_run
*run
,
58 phys_addr_t fault_ipa
);
60 #endif /* __ARM64_KVM_MMIO_H__ */