1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 *
4 * Copyright IBM Corp. 2008
5 *
6 * Authors: Hollis Blanchard <hollisb@us.ibm.com>
7 */
8
9#ifndef __POWERPC_KVM_ASM_H__
10#define __POWERPC_KVM_ASM_H__
11
12#ifdef __ASSEMBLY__
13#ifdef CONFIG_64BIT
14#define PPC_STD(sreg, offset, areg)  std sreg, (offset)(areg)
15#define PPC_LD(treg, offset, areg)   ld treg, (offset)(areg)
16#else
17#define PPC_STD(sreg, offset, areg)  stw sreg, (offset+4)(areg)
18#define PPC_LD(treg, offset, areg)   lwz treg, (offset+4)(areg)
19#endif
20#endif
21
22/* IVPR must be 64KiB-aligned. */
23#define VCPU_SIZE_ORDER 4
24#define VCPU_SIZE_LOG   (VCPU_SIZE_ORDER + 12)
25#define VCPU_SIZE_BYTES (1<<VCPU_SIZE_LOG)
26
27#define BOOKE_INTERRUPT_CRITICAL 0
28#define BOOKE_INTERRUPT_MACHINE_CHECK 1
29#define BOOKE_INTERRUPT_DATA_STORAGE 2
30#define BOOKE_INTERRUPT_INST_STORAGE 3
31#define BOOKE_INTERRUPT_EXTERNAL 4
32#define BOOKE_INTERRUPT_ALIGNMENT 5
33#define BOOKE_INTERRUPT_PROGRAM 6
34#define BOOKE_INTERRUPT_FP_UNAVAIL 7
35#define BOOKE_INTERRUPT_SYSCALL 8
36#define BOOKE_INTERRUPT_AP_UNAVAIL 9
37#define BOOKE_INTERRUPT_DECREMENTER 10
38#define BOOKE_INTERRUPT_FIT 11
39#define BOOKE_INTERRUPT_WATCHDOG 12
40#define BOOKE_INTERRUPT_DTLB_MISS 13
41#define BOOKE_INTERRUPT_ITLB_MISS 14
42#define BOOKE_INTERRUPT_DEBUG 15
43
44/* E500 */
45#ifdef CONFIG_SPE_POSSIBLE
46#define BOOKE_INTERRUPT_SPE_UNAVAIL 32
47#define BOOKE_INTERRUPT_SPE_FP_DATA 33
48#define BOOKE_INTERRUPT_SPE_FP_ROUND 34
49#endif
50
51#ifdef CONFIG_PPC_E500MC
52#define BOOKE_INTERRUPT_ALTIVEC_UNAVAIL 32
53#define BOOKE_INTERRUPT_ALTIVEC_ASSIST 33
54#endif
55
56#define BOOKE_INTERRUPT_PERFORMANCE_MONITOR 35
57#define BOOKE_INTERRUPT_DOORBELL 36
58#define BOOKE_INTERRUPT_DOORBELL_CRITICAL 37
59
60/* booke_hv */
61#define BOOKE_INTERRUPT_GUEST_DBELL 38
62#define BOOKE_INTERRUPT_GUEST_DBELL_CRIT 39
63#define BOOKE_INTERRUPT_HV_SYSCALL 40
64#define BOOKE_INTERRUPT_HV_PRIV 41
65#define BOOKE_INTERRUPT_LRAT_ERROR 42
66
67/* book3s */
68
69#define BOOK3S_INTERRUPT_SYSTEM_RESET	0x100
70#define BOOK3S_INTERRUPT_MACHINE_CHECK	0x200
71#define BOOK3S_INTERRUPT_DATA_STORAGE	0x300
72#define BOOK3S_INTERRUPT_DATA_SEGMENT	0x380
73#define BOOK3S_INTERRUPT_INST_STORAGE	0x400
74#define BOOK3S_INTERRUPT_INST_SEGMENT	0x480
75#define BOOK3S_INTERRUPT_EXTERNAL	0x500
76#define BOOK3S_INTERRUPT_EXTERNAL_HV	0x502
77#define BOOK3S_INTERRUPT_ALIGNMENT	0x600
78#define BOOK3S_INTERRUPT_PROGRAM	0x700
79#define BOOK3S_INTERRUPT_FP_UNAVAIL	0x800
80#define BOOK3S_INTERRUPT_DECREMENTER	0x900
81#define BOOK3S_INTERRUPT_HV_DECREMENTER	0x980
82#define BOOK3S_INTERRUPT_NESTED_HV_DECREMENTER	0x1980
83#define BOOK3S_INTERRUPT_DOORBELL	0xa00
84#define BOOK3S_INTERRUPT_SYSCALL	0xc00
85#define BOOK3S_INTERRUPT_TRACE		0xd00
86#define BOOK3S_INTERRUPT_H_DATA_STORAGE	0xe00
87#define BOOK3S_INTERRUPT_H_INST_STORAGE	0xe20
88#define BOOK3S_INTERRUPT_H_EMUL_ASSIST	0xe40
89#define BOOK3S_INTERRUPT_HMI		0xe60
90#define BOOK3S_INTERRUPT_H_DOORBELL	0xe80
91#define BOOK3S_INTERRUPT_H_VIRT		0xea0
92#define BOOK3S_INTERRUPT_PERFMON	0xf00
93#define BOOK3S_INTERRUPT_ALTIVEC	0xf20
94#define BOOK3S_INTERRUPT_VSX		0xf40
95#define BOOK3S_INTERRUPT_FAC_UNAVAIL	0xf60
96#define BOOK3S_INTERRUPT_H_FAC_UNAVAIL	0xf80
97
98/* book3s_hv */
99
100#define BOOK3S_INTERRUPT_HV_SOFTPATCH	0x1500
101
102/*
103 * Special trap used to indicate to host that this is a
104 * passthrough interrupt that could not be handled
105 * completely in the guest.
106 */
107#define BOOK3S_INTERRUPT_HV_RM_HARD	0x5555
108
109#define BOOK3S_IRQPRIO_SYSTEM_RESET		0
110#define BOOK3S_IRQPRIO_DATA_SEGMENT		1
111#define BOOK3S_IRQPRIO_INST_SEGMENT		2
112#define BOOK3S_IRQPRIO_DATA_STORAGE		3
113#define BOOK3S_IRQPRIO_INST_STORAGE		4
114#define BOOK3S_IRQPRIO_ALIGNMENT		5
115#define BOOK3S_IRQPRIO_PROGRAM			6
116#define BOOK3S_IRQPRIO_FP_UNAVAIL		7
117#define BOOK3S_IRQPRIO_ALTIVEC			8
118#define BOOK3S_IRQPRIO_VSX			9
119#define BOOK3S_IRQPRIO_FAC_UNAVAIL		10
120#define BOOK3S_IRQPRIO_SYSCALL			11
121#define BOOK3S_IRQPRIO_MACHINE_CHECK		12
122#define BOOK3S_IRQPRIO_DEBUG			13
123#define BOOK3S_IRQPRIO_EXTERNAL			14
124#define BOOK3S_IRQPRIO_DECREMENTER		15
125#define BOOK3S_IRQPRIO_PERFORMANCE_MONITOR	16
126#define BOOK3S_IRQPRIO_MAX			17
127
128#define BOOK3S_HFLAG_DCBZ32			0x1
129#define BOOK3S_HFLAG_SLB			0x2
130#define BOOK3S_HFLAG_PAIRED_SINGLE		0x4
131#define BOOK3S_HFLAG_NATIVE_PS			0x8
132#define BOOK3S_HFLAG_MULTI_PGSIZE		0x10
133#define BOOK3S_HFLAG_NEW_TLBIE			0x20
134#define BOOK3S_HFLAG_SPLIT_HACK			0x40
135
136#define RESUME_FLAG_NV          (1<<0)  /* Reload guest nonvolatile state? */
137#define RESUME_FLAG_HOST        (1<<1)  /* Resume host? */
138#define RESUME_FLAG_ARCH1	(1<<2)
139#define RESUME_FLAG_ARCH2	(1<<3)
140
141#define RESUME_GUEST            0
142#define RESUME_GUEST_NV         RESUME_FLAG_NV
143#define RESUME_HOST             RESUME_FLAG_HOST
144#define RESUME_HOST_NV          (RESUME_FLAG_HOST|RESUME_FLAG_NV)
145
146#define KVM_GUEST_MODE_NONE	0
147#define KVM_GUEST_MODE_GUEST	1
148#define KVM_GUEST_MODE_SKIP	2
149#define KVM_GUEST_MODE_GUEST_HV	3
150#define KVM_GUEST_MODE_HOST_HV	4
151#define KVM_GUEST_MODE_HV_P9	5 /* ISA >= v3.0 path */
152
153#define KVM_INST_FETCH_FAILED	-1
154
155/* Extract PO and XOP opcode fields */
156#define PO_XOP_OPCODE_MASK 0xfc0007fe
157
158#endif /* __POWERPC_KVM_ASM_H__ */
159