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1/*
2 * This program is free software; you can redistribute it and/or modify
3 * it under the terms of the GNU General Public License, version 2, as
4 * published by the Free Software Foundation.
5 *
6 * This program is distributed in the hope that it will be useful,
7 * but WITHOUT ANY WARRANTY; without even the implied warranty of
8 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
9 * GNU General Public License for more details.
10 *
11 * You should have received a copy of the GNU General Public License
12 * along with this program; if not, write to the Free Software
13 * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
14 *
15 * Copyright IBM Corp. 2008
16 *
17 * Authors: Hollis Blanchard <hollisb@us.ibm.com>
18 */
19
20#ifndef __KVM_BOOKE_H__
21#define __KVM_BOOKE_H__
22
23#include <linux/types.h>
24#include <linux/kvm_host.h>
25#include "timing.h"
26
27/* interrupt priortity ordering */
28#define BOOKE_IRQPRIO_DATA_STORAGE 0
29#define BOOKE_IRQPRIO_INST_STORAGE 1
30#define BOOKE_IRQPRIO_ALIGNMENT 2
31#define BOOKE_IRQPRIO_PROGRAM 3
32#define BOOKE_IRQPRIO_FP_UNAVAIL 4
33#define BOOKE_IRQPRIO_SYSCALL 5
34#define BOOKE_IRQPRIO_AP_UNAVAIL 6
35#define BOOKE_IRQPRIO_DTLB_MISS 7
36#define BOOKE_IRQPRIO_ITLB_MISS 8
37#define BOOKE_IRQPRIO_MACHINE_CHECK 9
38#define BOOKE_IRQPRIO_DEBUG 10
39#define BOOKE_IRQPRIO_CRITICAL 11
40#define BOOKE_IRQPRIO_WATCHDOG 12
41#define BOOKE_IRQPRIO_EXTERNAL 13
42#define BOOKE_IRQPRIO_FIT 14
43#define BOOKE_IRQPRIO_DECREMENTER 15
44
45/* Helper function for "full" MSR writes. No need to call this if only EE is
46 * changing. */
47static inline void kvmppc_set_msr(struct kvm_vcpu *vcpu, u32 new_msr)
48{
49 if ((new_msr & MSR_PR) != (vcpu->arch.msr & MSR_PR))
50 kvmppc_mmu_priv_switch(vcpu, new_msr & MSR_PR);
51
52 vcpu->arch.msr = new_msr;
53
54 if (vcpu->arch.msr & MSR_WE) {
55 kvm_vcpu_block(vcpu);
56 kvmppc_set_exit_type(vcpu, EMULATED_MTMSRWE_EXITS);
57 };
58}
59
60#endif /* __KVM_BOOKE_H__ */