xref: /openbmc/linux/arch/powerpc/include/asm/kvm_asm.h (revision b9ccfda2)
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 __POWERPC_KVM_ASM_H__
21 #define __POWERPC_KVM_ASM_H__
22 
23 #ifdef __ASSEMBLY__
24 #ifdef CONFIG_64BIT
25 #define PPC_STD(sreg, offset, areg)  std sreg, (offset)(areg)
26 #define PPC_LD(treg, offset, areg)   ld treg, (offset)(areg)
27 #else
28 #define PPC_STD(sreg, offset, areg)  stw sreg, (offset+4)(areg)
29 #define PPC_LD(treg, offset, areg)   lwz treg, (offset+4)(areg)
30 #endif
31 #endif
32 
33 /* IVPR must be 64KiB-aligned. */
34 #define VCPU_SIZE_ORDER 4
35 #define VCPU_SIZE_LOG   (VCPU_SIZE_ORDER + 12)
36 #define VCPU_TLB_PGSZ   PPC44x_TLB_64K
37 #define VCPU_SIZE_BYTES (1<<VCPU_SIZE_LOG)
38 
39 #define BOOKE_INTERRUPT_CRITICAL 0
40 #define BOOKE_INTERRUPT_MACHINE_CHECK 1
41 #define BOOKE_INTERRUPT_DATA_STORAGE 2
42 #define BOOKE_INTERRUPT_INST_STORAGE 3
43 #define BOOKE_INTERRUPT_EXTERNAL 4
44 #define BOOKE_INTERRUPT_ALIGNMENT 5
45 #define BOOKE_INTERRUPT_PROGRAM 6
46 #define BOOKE_INTERRUPT_FP_UNAVAIL 7
47 #define BOOKE_INTERRUPT_SYSCALL 8
48 #define BOOKE_INTERRUPT_AP_UNAVAIL 9
49 #define BOOKE_INTERRUPT_DECREMENTER 10
50 #define BOOKE_INTERRUPT_FIT 11
51 #define BOOKE_INTERRUPT_WATCHDOG 12
52 #define BOOKE_INTERRUPT_DTLB_MISS 13
53 #define BOOKE_INTERRUPT_ITLB_MISS 14
54 #define BOOKE_INTERRUPT_DEBUG 15
55 
56 /* E500 */
57 #define BOOKE_INTERRUPT_SPE_UNAVAIL 32
58 #define BOOKE_INTERRUPT_SPE_FP_DATA 33
59 #define BOOKE_INTERRUPT_SPE_FP_ROUND 34
60 #define BOOKE_INTERRUPT_PERFORMANCE_MONITOR 35
61 #define BOOKE_INTERRUPT_DOORBELL 36
62 #define BOOKE_INTERRUPT_DOORBELL_CRITICAL 37
63 
64 /* booke_hv */
65 #define BOOKE_INTERRUPT_GUEST_DBELL 38
66 #define BOOKE_INTERRUPT_GUEST_DBELL_CRIT 39
67 #define BOOKE_INTERRUPT_HV_SYSCALL 40
68 #define BOOKE_INTERRUPT_HV_PRIV 41
69 
70 /* book3s */
71 
72 #define BOOK3S_INTERRUPT_SYSTEM_RESET	0x100
73 #define BOOK3S_INTERRUPT_MACHINE_CHECK	0x200
74 #define BOOK3S_INTERRUPT_DATA_STORAGE	0x300
75 #define BOOK3S_INTERRUPT_DATA_SEGMENT	0x380
76 #define BOOK3S_INTERRUPT_INST_STORAGE	0x400
77 #define BOOK3S_INTERRUPT_INST_SEGMENT	0x480
78 #define BOOK3S_INTERRUPT_EXTERNAL	0x500
79 #define BOOK3S_INTERRUPT_EXTERNAL_LEVEL	0x501
80 #define BOOK3S_INTERRUPT_EXTERNAL_HV	0x502
81 #define BOOK3S_INTERRUPT_ALIGNMENT	0x600
82 #define BOOK3S_INTERRUPT_PROGRAM	0x700
83 #define BOOK3S_INTERRUPT_FP_UNAVAIL	0x800
84 #define BOOK3S_INTERRUPT_DECREMENTER	0x900
85 #define BOOK3S_INTERRUPT_HV_DECREMENTER	0x980
86 #define BOOK3S_INTERRUPT_SYSCALL	0xc00
87 #define BOOK3S_INTERRUPT_TRACE		0xd00
88 #define BOOK3S_INTERRUPT_H_DATA_STORAGE	0xe00
89 #define BOOK3S_INTERRUPT_H_INST_STORAGE	0xe20
90 #define BOOK3S_INTERRUPT_H_EMUL_ASSIST	0xe40
91 #define BOOK3S_INTERRUPT_PERFMON	0xf00
92 #define BOOK3S_INTERRUPT_ALTIVEC	0xf20
93 #define BOOK3S_INTERRUPT_VSX		0xf40
94 
95 #define BOOK3S_IRQPRIO_SYSTEM_RESET		0
96 #define BOOK3S_IRQPRIO_DATA_SEGMENT		1
97 #define BOOK3S_IRQPRIO_INST_SEGMENT		2
98 #define BOOK3S_IRQPRIO_DATA_STORAGE		3
99 #define BOOK3S_IRQPRIO_INST_STORAGE		4
100 #define BOOK3S_IRQPRIO_ALIGNMENT		5
101 #define BOOK3S_IRQPRIO_PROGRAM			6
102 #define BOOK3S_IRQPRIO_FP_UNAVAIL		7
103 #define BOOK3S_IRQPRIO_ALTIVEC			8
104 #define BOOK3S_IRQPRIO_VSX			9
105 #define BOOK3S_IRQPRIO_SYSCALL			10
106 #define BOOK3S_IRQPRIO_MACHINE_CHECK		11
107 #define BOOK3S_IRQPRIO_DEBUG			12
108 #define BOOK3S_IRQPRIO_EXTERNAL			13
109 #define BOOK3S_IRQPRIO_DECREMENTER		14
110 #define BOOK3S_IRQPRIO_PERFORMANCE_MONITOR	15
111 #define BOOK3S_IRQPRIO_EXTERNAL_LEVEL		16
112 #define BOOK3S_IRQPRIO_MAX			17
113 
114 #define BOOK3S_HFLAG_DCBZ32			0x1
115 #define BOOK3S_HFLAG_SLB			0x2
116 #define BOOK3S_HFLAG_PAIRED_SINGLE		0x4
117 #define BOOK3S_HFLAG_NATIVE_PS			0x8
118 
119 #define RESUME_FLAG_NV          (1<<0)  /* Reload guest nonvolatile state? */
120 #define RESUME_FLAG_HOST        (1<<1)  /* Resume host? */
121 
122 #define RESUME_GUEST            0
123 #define RESUME_GUEST_NV         RESUME_FLAG_NV
124 #define RESUME_HOST             RESUME_FLAG_HOST
125 #define RESUME_HOST_NV          (RESUME_FLAG_HOST|RESUME_FLAG_NV)
126 
127 #define KVM_GUEST_MODE_NONE	0
128 #define KVM_GUEST_MODE_GUEST	1
129 #define KVM_GUEST_MODE_SKIP	2
130 
131 #define KVM_INST_FETCH_FAILED	-1
132 
133 #endif /* __POWERPC_KVM_ASM_H__ */
134