xref: /openbmc/linux/arch/powerpc/include/asm/kvm_asm.h (revision 63705da3)
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_DOORBELL	0xa00
83 #define BOOK3S_INTERRUPT_SYSCALL	0xc00
84 #define BOOK3S_INTERRUPT_TRACE		0xd00
85 #define BOOK3S_INTERRUPT_H_DATA_STORAGE	0xe00
86 #define BOOK3S_INTERRUPT_H_INST_STORAGE	0xe20
87 #define BOOK3S_INTERRUPT_H_EMUL_ASSIST	0xe40
88 #define BOOK3S_INTERRUPT_HMI		0xe60
89 #define BOOK3S_INTERRUPT_H_DOORBELL	0xe80
90 #define BOOK3S_INTERRUPT_H_VIRT		0xea0
91 #define BOOK3S_INTERRUPT_PERFMON	0xf00
92 #define BOOK3S_INTERRUPT_ALTIVEC	0xf20
93 #define BOOK3S_INTERRUPT_VSX		0xf40
94 #define BOOK3S_INTERRUPT_FAC_UNAVAIL	0xf60
95 #define BOOK3S_INTERRUPT_H_FAC_UNAVAIL	0xf80
96 
97 /* book3s_hv */
98 
99 #define BOOK3S_INTERRUPT_HV_SOFTPATCH	0x1500
100 
101 /*
102  * Special trap used to indicate to host that this is a
103  * passthrough interrupt that could not be handled
104  * completely in the guest.
105  */
106 #define BOOK3S_INTERRUPT_HV_RM_HARD	0x5555
107 
108 #define BOOK3S_IRQPRIO_SYSTEM_RESET		0
109 #define BOOK3S_IRQPRIO_DATA_SEGMENT		1
110 #define BOOK3S_IRQPRIO_INST_SEGMENT		2
111 #define BOOK3S_IRQPRIO_DATA_STORAGE		3
112 #define BOOK3S_IRQPRIO_INST_STORAGE		4
113 #define BOOK3S_IRQPRIO_ALIGNMENT		5
114 #define BOOK3S_IRQPRIO_PROGRAM			6
115 #define BOOK3S_IRQPRIO_FP_UNAVAIL		7
116 #define BOOK3S_IRQPRIO_ALTIVEC			8
117 #define BOOK3S_IRQPRIO_VSX			9
118 #define BOOK3S_IRQPRIO_FAC_UNAVAIL		10
119 #define BOOK3S_IRQPRIO_SYSCALL			11
120 #define BOOK3S_IRQPRIO_MACHINE_CHECK		12
121 #define BOOK3S_IRQPRIO_DEBUG			13
122 #define BOOK3S_IRQPRIO_EXTERNAL			14
123 #define BOOK3S_IRQPRIO_DECREMENTER		15
124 #define BOOK3S_IRQPRIO_PERFORMANCE_MONITOR	16
125 #define BOOK3S_IRQPRIO_MAX			17
126 
127 #define BOOK3S_HFLAG_DCBZ32			0x1
128 #define BOOK3S_HFLAG_SLB			0x2
129 #define BOOK3S_HFLAG_PAIRED_SINGLE		0x4
130 #define BOOK3S_HFLAG_NATIVE_PS			0x8
131 #define BOOK3S_HFLAG_MULTI_PGSIZE		0x10
132 #define BOOK3S_HFLAG_NEW_TLBIE			0x20
133 #define BOOK3S_HFLAG_SPLIT_HACK			0x40
134 
135 #define RESUME_FLAG_NV          (1<<0)  /* Reload guest nonvolatile state? */
136 #define RESUME_FLAG_HOST        (1<<1)  /* Resume host? */
137 #define RESUME_FLAG_ARCH1	(1<<2)
138 #define RESUME_FLAG_ARCH2	(1<<3)
139 
140 #define RESUME_GUEST            0
141 #define RESUME_GUEST_NV         RESUME_FLAG_NV
142 #define RESUME_HOST             RESUME_FLAG_HOST
143 #define RESUME_HOST_NV          (RESUME_FLAG_HOST|RESUME_FLAG_NV)
144 
145 #define KVM_GUEST_MODE_NONE	0
146 #define KVM_GUEST_MODE_GUEST	1
147 #define KVM_GUEST_MODE_SKIP	2
148 #define KVM_GUEST_MODE_GUEST_HV	3
149 #define KVM_GUEST_MODE_HOST_HV	4
150 #define KVM_GUEST_MODE_HV_P9	5 /* ISA >= v3.0 path */
151 
152 #define KVM_INST_FETCH_FAILED	-1
153 
154 /* Extract PO and XOP opcode fields */
155 #define PO_XOP_OPCODE_MASK 0xfc0007fe
156 
157 #endif /* __POWERPC_KVM_ASM_H__ */
158