2 * asm-s390/kvm_host.h - definition for kernel virtual machines on s390
4 * Copyright IBM Corp. 2008
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License (version 2 only)
8 * as published by the Free Software Foundation.
10 * Author(s): Carsten Otte <cotte@de.ibm.com>
14 #ifndef ASM_KVM_HOST_H
15 #define ASM_KVM_HOST_H
16 #include <linux/kvm_host.h>
17 #include <asm/debug.h>
19 #define KVM_MAX_VCPUS 64
20 #define KVM_MEMORY_SLOTS 32
21 /* memory slots that does not exposed to userspace */
22 #define KVM_PRIVATE_MEM_SLOTS 4
24 struct kvm_guest_debug
{
32 } __attribute__((packed
));
40 struct sca_entry cpu
[64];
41 } __attribute__((packed
));
43 #define KVM_PAGES_PER_HPAGE 256
45 #define CPUSTAT_HOST 0x80000000
46 #define CPUSTAT_WAIT 0x10000000
47 #define CPUSTAT_ECALL_PEND 0x08000000
48 #define CPUSTAT_STOP_INT 0x04000000
49 #define CPUSTAT_IO_INT 0x02000000
50 #define CPUSTAT_EXT_INT 0x01000000
51 #define CPUSTAT_RUNNING 0x00800000
52 #define CPUSTAT_RETAINED 0x00400000
53 #define CPUSTAT_TIMING_SUB 0x00020000
54 #define CPUSTAT_SIE_SUB 0x00010000
55 #define CPUSTAT_RRF 0x00008000
56 #define CPUSTAT_SLSV 0x00004000
57 #define CPUSTAT_SLSR 0x00002000
58 #define CPUSTAT_ZARCH 0x00000800
59 #define CPUSTAT_MCDS 0x00000100
60 #define CPUSTAT_SM 0x00000080
61 #define CPUSTAT_G 0x00000008
62 #define CPUSTAT_J 0x00000002
63 #define CPUSTAT_P 0x00000001
66 atomic_t cpuflags
; /* 0x0000 */
67 __u32 prefix
; /* 0x0004 */
68 __u8 reserved8
[32]; /* 0x0008 */
69 __u64 cputm
; /* 0x0028 */
70 __u64 ckc
; /* 0x0030 */
71 __u64 epoch
; /* 0x0038 */
72 __u8 reserved40
[4]; /* 0x0040 */
73 #define LCTL_CR0 0x8000
74 __u16 lctl
; /* 0x0044 */
75 __s16 icpua
; /* 0x0046 */
76 __u32 ictl
; /* 0x0048 */
77 __u32 eca
; /* 0x004c */
78 __u8 icptcode
; /* 0x0050 */
79 __u8 reserved51
; /* 0x0051 */
80 __u16 ihcpu
; /* 0x0052 */
81 __u8 reserved54
[2]; /* 0x0054 */
82 __u16 ipa
; /* 0x0056 */
83 __u32 ipb
; /* 0x0058 */
84 __u32 scaoh
; /* 0x005c */
85 __u8 reserved60
; /* 0x0060 */
86 __u8 ecb
; /* 0x0061 */
87 __u8 reserved62
[2]; /* 0x0062 */
88 __u32 scaol
; /* 0x0064 */
89 __u8 reserved68
[4]; /* 0x0068 */
90 __u32 todpr
; /* 0x006c */
91 __u8 reserved70
[16]; /* 0x0070 */
92 __u64 gmsor
; /* 0x0080 */
93 __u64 gmslm
; /* 0x0088 */
94 psw_t gpsw
; /* 0x0090 */
95 __u64 gg14
; /* 0x00a0 */
96 __u64 gg15
; /* 0x00a8 */
97 __u8 reservedb0
[80]; /* 0x00b0 */
98 __u64 gcr
[16]; /* 0x0100 */
99 __u64 gbea
; /* 0x0180 */
100 __u8 reserved188
[120]; /* 0x0188 */
101 } __attribute__((packed
));
103 struct kvm_vcpu_stat
{
105 u32 exit_external_request
;
106 u32 exit_external_interrupt
;
107 u32 exit_stop_request
;
109 u32 exit_instruction
;
110 u32 instruction_lctl
;
111 u32 instruction_lctg
;
112 u32 exit_program_interruption
;
113 u32 exit_instr_and_program
;
114 u32 deliver_emergency_signal
;
115 u32 deliver_service_signal
;
116 u32 deliver_virtio_interrupt
;
117 u32 deliver_stop_signal
;
118 u32 deliver_prefix_signal
;
119 u32 deliver_restart_signal
;
120 u32 deliver_program_int
;
125 __u16 subchannel_id
; /* 0x0b8 */
126 __u16 subchannel_nr
; /* 0x0ba */
127 __u32 io_int_parm
; /* 0x0bc */
128 __u32 io_int_word
; /* 0x0c0 */
136 #define PGM_OPERATION 0x01
137 #define PGM_PRIVILEGED_OPERATION 0x02
138 #define PGM_EXECUTE 0x03
139 #define PGM_PROTECTION 0x04
140 #define PGM_ADDRESSING 0x05
141 #define PGM_SPECIFICATION 0x06
142 #define PGM_DATA 0x07
152 struct interrupt_info
{
153 struct list_head list
;
159 struct prefix_info prefix
;
163 struct local_interrupt
{
165 struct list_head list
;
167 struct float_interrupt
*float_int
;
168 int timer_due
; /* event indicator for waitqueue below */
169 wait_queue_head_t wq
;
172 struct float_interrupt
{
174 struct list_head list
;
177 unsigned long idle_mask
[(64 + sizeof(long) - 1) / sizeof(long)];
178 struct local_interrupt
*local_int
[64];
182 struct kvm_vcpu_arch
{
183 struct sie_block
*sie_block
;
184 unsigned long guest_gprs
[16];
185 s390_fp_regs host_fpregs
;
186 unsigned int host_acrs
[NUM_ACRS
];
187 s390_fp_regs guest_fpregs
;
188 unsigned int guest_acrs
[NUM_ACRS
];
189 struct local_interrupt local_int
;
190 struct timer_list ckc_timer
;
194 u32 remote_tlb_flush
;
198 unsigned long guest_origin
;
199 unsigned long guest_memsize
;
200 struct sca_block
*sca
;
202 struct float_interrupt float_int
;
205 extern int sie64a(struct sie_block
*, __u64
*);