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