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>
18 #include <asm/cpuid.h>
20 #define KVM_MAX_VCPUS 64
21 #define KVM_MEMORY_SLOTS 32
22 /* memory slots that does not exposed to userspace */
23 #define KVM_PRIVATE_MEM_SLOTS 4
30 } __attribute__((packed
));
38 struct sca_entry cpu
[64];
39 } __attribute__((packed
));
41 #define KVM_PAGES_PER_HPAGE 256
43 #define CPUSTAT_HOST 0x80000000
44 #define CPUSTAT_WAIT 0x10000000
45 #define CPUSTAT_ECALL_PEND 0x08000000
46 #define CPUSTAT_STOP_INT 0x04000000
47 #define CPUSTAT_IO_INT 0x02000000
48 #define CPUSTAT_EXT_INT 0x01000000
49 #define CPUSTAT_RUNNING 0x00800000
50 #define CPUSTAT_RETAINED 0x00400000
51 #define CPUSTAT_TIMING_SUB 0x00020000
52 #define CPUSTAT_SIE_SUB 0x00010000
53 #define CPUSTAT_RRF 0x00008000
54 #define CPUSTAT_SLSV 0x00004000
55 #define CPUSTAT_SLSR 0x00002000
56 #define CPUSTAT_ZARCH 0x00000800
57 #define CPUSTAT_MCDS 0x00000100
58 #define CPUSTAT_SM 0x00000080
59 #define CPUSTAT_G 0x00000008
60 #define CPUSTAT_J 0x00000002
61 #define CPUSTAT_P 0x00000001
63 struct kvm_s390_sie_block
{
64 atomic_t cpuflags
; /* 0x0000 */
65 __u32 prefix
; /* 0x0004 */
66 __u8 reserved8
[32]; /* 0x0008 */
67 __u64 cputm
; /* 0x0028 */
68 __u64 ckc
; /* 0x0030 */
69 __u64 epoch
; /* 0x0038 */
70 __u8 reserved40
[4]; /* 0x0040 */
71 #define LCTL_CR0 0x8000
72 __u16 lctl
; /* 0x0044 */
73 __s16 icpua
; /* 0x0046 */
74 __u32 ictl
; /* 0x0048 */
75 __u32 eca
; /* 0x004c */
76 __u8 icptcode
; /* 0x0050 */
77 __u8 reserved51
; /* 0x0051 */
78 __u16 ihcpu
; /* 0x0052 */
79 __u8 reserved54
[2]; /* 0x0054 */
80 __u16 ipa
; /* 0x0056 */
81 __u32 ipb
; /* 0x0058 */
82 __u32 scaoh
; /* 0x005c */
83 __u8 reserved60
; /* 0x0060 */
84 __u8 ecb
; /* 0x0061 */
85 __u8 reserved62
[2]; /* 0x0062 */
86 __u32 scaol
; /* 0x0064 */
87 __u8 reserved68
[4]; /* 0x0068 */
88 __u32 todpr
; /* 0x006c */
89 __u8 reserved70
[16]; /* 0x0070 */
90 __u64 gmsor
; /* 0x0080 */
91 __u64 gmslm
; /* 0x0088 */
92 psw_t gpsw
; /* 0x0090 */
93 __u64 gg14
; /* 0x00a0 */
94 __u64 gg15
; /* 0x00a8 */
95 __u8 reservedb0
[30]; /* 0x00b0 */
96 __u16 iprcc
; /* 0x00ce */
97 __u8 reservedd0
[48]; /* 0x00d0 */
98 __u64 gcr
[16]; /* 0x0100 */
99 __u64 gbea
; /* 0x0180 */
100 __u8 reserved188
[120]; /* 0x0188 */
101 } __attribute__((packed
));
103 struct kvm_vcpu_stat
{
106 u32 exit_external_request
;
107 u32 exit_external_interrupt
;
108 u32 exit_stop_request
;
110 u32 exit_instruction
;
111 u32 instruction_lctl
;
112 u32 instruction_lctlg
;
113 u32 exit_program_interruption
;
114 u32 exit_instr_and_program
;
115 u32 deliver_emergency_signal
;
116 u32 deliver_service_signal
;
117 u32 deliver_virtio_interrupt
;
118 u32 deliver_stop_signal
;
119 u32 deliver_prefix_signal
;
120 u32 deliver_restart_signal
;
121 u32 deliver_program_int
;
123 u32 instruction_stidp
;
125 u32 instruction_stpx
;
126 u32 instruction_stap
;
127 u32 instruction_storage_key
;
128 u32 instruction_stsch
;
129 u32 instruction_chsc
;
130 u32 instruction_stsi
;
131 u32 instruction_stfl
;
132 u32 instruction_sigp_sense
;
133 u32 instruction_sigp_emergency
;
134 u32 instruction_sigp_stop
;
135 u32 instruction_sigp_arch
;
136 u32 instruction_sigp_prefix
;
137 u32 instruction_sigp_restart
;
141 struct kvm_s390_io_info
{
142 __u16 subchannel_id
; /* 0x0b8 */
143 __u16 subchannel_nr
; /* 0x0ba */
144 __u32 io_int_parm
; /* 0x0bc */
145 __u32 io_int_word
; /* 0x0c0 */
148 struct kvm_s390_ext_info
{
153 #define PGM_OPERATION 0x01
154 #define PGM_PRIVILEGED_OPERATION 0x02
155 #define PGM_EXECUTE 0x03
156 #define PGM_PROTECTION 0x04
157 #define PGM_ADDRESSING 0x05
158 #define PGM_SPECIFICATION 0x06
159 #define PGM_DATA 0x07
161 struct kvm_s390_pgm_info
{
165 struct kvm_s390_prefix_info
{
169 struct kvm_s390_interrupt_info
{
170 struct list_head list
;
173 struct kvm_s390_io_info io
;
174 struct kvm_s390_ext_info ext
;
175 struct kvm_s390_pgm_info pgm
;
176 struct kvm_s390_prefix_info prefix
;
180 /* for local_interrupt.action_flags */
181 #define ACTION_STORE_ON_STOP 1
182 #define ACTION_STOP_ON_STOP 2
184 struct kvm_s390_local_interrupt
{
186 struct list_head list
;
188 struct kvm_s390_float_interrupt
*float_int
;
189 int timer_due
; /* event indicator for waitqueue below */
190 wait_queue_head_t wq
;
192 unsigned int action_bits
;
195 struct kvm_s390_float_interrupt
{
197 struct list_head list
;
200 unsigned long idle_mask
[(64 + sizeof(long) - 1) / sizeof(long)];
201 struct kvm_s390_local_interrupt
*local_int
[64];
205 struct kvm_vcpu_arch
{
206 struct kvm_s390_sie_block
*sie_block
;
207 unsigned long guest_gprs
[16];
208 s390_fp_regs host_fpregs
;
209 unsigned int host_acrs
[NUM_ACRS
];
210 s390_fp_regs guest_fpregs
;
211 unsigned int guest_acrs
[NUM_ACRS
];
212 struct kvm_s390_local_interrupt local_int
;
213 struct timer_list ckc_timer
;
221 u32 remote_tlb_flush
;
225 unsigned long guest_origin
;
226 unsigned long guest_memsize
;
227 struct sca_block
*sca
;
229 struct kvm_s390_float_interrupt float_int
;
232 extern int sie64a(struct kvm_s390_sie_block
*, unsigned long *);