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, write to the Free Software
16 * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
19 #ifndef __ARM_KVM_MMIO_H__
20 #define __ARM_KVM_MMIO_H__
22 #include <linux/kvm_host.h>
23 #include <asm/kvm_asm.h>
24 #include <asm/kvm_arm.h>
32 * The in-kernel MMIO emulation code wants to use a copy of run->mmio,
33 * which is an anonymous type. Use our own type instead.
35 struct kvm_exit_mmio {
36 phys_addr_t phys_addr;
42 static inline void kvm_prepare_mmio(struct kvm_run *run,
43 struct kvm_exit_mmio *mmio)
45 run->mmio.phys_addr = mmio->phys_addr;
46 run->mmio.len = mmio->len;
47 run->mmio.is_write = mmio->is_write;
48 memcpy(run->mmio.data, mmio->data, mmio->len);
49 run->exit_reason = KVM_EXIT_MMIO;
52 int kvm_handle_mmio_return(struct kvm_vcpu *vcpu, struct kvm_run *run);
53 int io_mem_abort(struct kvm_vcpu *vcpu, struct kvm_run *run,
54 phys_addr_t fault_ipa);
56 #endif /* __ARM_KVM_MMIO_H__ */