2 * definition for kernel virtual machines on s390
4 * Copyright IBM Corp. 2008, 2009
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/hrtimer.h>
17 #include <linux/interrupt.h>
18 #include <linux/kvm_host.h>
19 #include <asm/debug.h>
22 #define KVM_MAX_VCPUS 64
23 #define KVM_USER_MEM_SLOTS 32
30 } __attribute__((packed
));
38 struct sca_entry cpu
[64];
39 } __attribute__((packed
));
41 #define CPUSTAT_STOPPED 0x80000000
42 #define CPUSTAT_WAIT 0x10000000
43 #define CPUSTAT_ECALL_PEND 0x08000000
44 #define CPUSTAT_STOP_INT 0x04000000
45 #define CPUSTAT_IO_INT 0x02000000
46 #define CPUSTAT_EXT_INT 0x01000000
47 #define CPUSTAT_RUNNING 0x00800000
48 #define CPUSTAT_RETAINED 0x00400000
49 #define CPUSTAT_TIMING_SUB 0x00020000
50 #define CPUSTAT_SIE_SUB 0x00010000
51 #define CPUSTAT_RRF 0x00008000
52 #define CPUSTAT_SLSV 0x00004000
53 #define CPUSTAT_SLSR 0x00002000
54 #define CPUSTAT_ZARCH 0x00000800
55 #define CPUSTAT_MCDS 0x00000100
56 #define CPUSTAT_SM 0x00000080
57 #define CPUSTAT_G 0x00000008
58 #define CPUSTAT_GED 0x00000004
59 #define CPUSTAT_J 0x00000002
60 #define CPUSTAT_P 0x00000001
62 struct kvm_s390_sie_block
{
63 atomic_t cpuflags
; /* 0x0000 */
64 __u32 prefix
; /* 0x0004 */
65 __u8 reserved08
[4]; /* 0x0008 */
66 #define PROG_IN_SIE (1<<0)
67 __u32 prog0c
; /* 0x000c */
68 __u8 reserved10
[16]; /* 0x0010 */
69 #define PROG_BLOCK_SIE 0x00000001
70 atomic_t prog20
; /* 0x0020 */
71 __u8 reserved24
[4]; /* 0x0024 */
72 __u64 cputm
; /* 0x0028 */
73 __u64 ckc
; /* 0x0030 */
74 __u64 epoch
; /* 0x0038 */
75 __u8 reserved40
[4]; /* 0x0040 */
76 #define LCTL_CR0 0x8000
77 #define LCTL_CR6 0x0200
78 #define LCTL_CR14 0x0002
79 __u16 lctl
; /* 0x0044 */
80 __s16 icpua
; /* 0x0046 */
81 #define ICTL_LPSW 0x00400000
82 __u32 ictl
; /* 0x0048 */
83 __u32 eca
; /* 0x004c */
84 __u8 icptcode
; /* 0x0050 */
85 __u8 reserved51
; /* 0x0051 */
86 __u16 ihcpu
; /* 0x0052 */
87 __u8 reserved54
[2]; /* 0x0054 */
88 __u16 ipa
; /* 0x0056 */
89 __u32 ipb
; /* 0x0058 */
90 __u32 scaoh
; /* 0x005c */
91 __u8 reserved60
; /* 0x0060 */
92 __u8 ecb
; /* 0x0061 */
93 __u8 ecb2
; /* 0x0062 */
94 __u8 reserved63
[1]; /* 0x0063 */
95 __u32 scaol
; /* 0x0064 */
96 __u8 reserved68
[4]; /* 0x0068 */
97 __u32 todpr
; /* 0x006c */
98 __u8 reserved70
[32]; /* 0x0070 */
99 psw_t gpsw
; /* 0x0090 */
100 __u64 gg14
; /* 0x00a0 */
101 __u64 gg15
; /* 0x00a8 */
102 __u8 reservedb0
[30]; /* 0x00b0 */
103 __u16 iprcc
; /* 0x00ce */
104 __u8 reservedd0
[48]; /* 0x00d0 */
105 __u64 gcr
[16]; /* 0x0100 */
106 __u64 gbea
; /* 0x0180 */
107 __u8 reserved188
[24]; /* 0x0188 */
108 __u32 fac
; /* 0x01a0 */
109 __u8 reserved1a4
[20]; /* 0x01a4 */
110 __u64 cbrlo
; /* 0x01b8 */
111 __u8 reserved1c0
[40]; /* 0x01c0 */
112 __u64 itdba
; /* 0x01e8 */
113 __u8 reserved1f0
[16]; /* 0x01f0 */
114 } __attribute__((packed
));
116 struct kvm_s390_itdb
{
121 struct kvm_s390_sie_block sie_block
;
122 __u8 reserved200
[1024]; /* 0x0200 */
123 struct kvm_s390_itdb itdb
; /* 0x0600 */
124 __u8 reserved700
[2304]; /* 0x0700 */
127 struct kvm_vcpu_stat
{
130 u32 exit_external_request
;
131 u32 exit_external_interrupt
;
132 u32 exit_stop_request
;
134 u32 exit_instruction
;
135 u32 instruction_lctl
;
136 u32 instruction_lctlg
;
137 u32 exit_program_interruption
;
138 u32 exit_instr_and_program
;
139 u32 deliver_external_call
;
140 u32 deliver_emergency_signal
;
141 u32 deliver_service_signal
;
142 u32 deliver_virtio_interrupt
;
143 u32 deliver_stop_signal
;
144 u32 deliver_prefix_signal
;
145 u32 deliver_restart_signal
;
146 u32 deliver_program_int
;
149 u32 instruction_pfmf
;
150 u32 instruction_stidp
;
152 u32 instruction_stpx
;
153 u32 instruction_stap
;
154 u32 instruction_storage_key
;
155 u32 instruction_stsch
;
156 u32 instruction_chsc
;
157 u32 instruction_stsi
;
158 u32 instruction_stfl
;
159 u32 instruction_tprot
;
160 u32 instruction_essa
;
161 u32 instruction_sigp_sense
;
162 u32 instruction_sigp_sense_running
;
163 u32 instruction_sigp_external_call
;
164 u32 instruction_sigp_emergency
;
165 u32 instruction_sigp_stop
;
166 u32 instruction_sigp_arch
;
167 u32 instruction_sigp_prefix
;
168 u32 instruction_sigp_restart
;
174 struct kvm_s390_io_info
{
175 __u16 subchannel_id
; /* 0x0b8 */
176 __u16 subchannel_nr
; /* 0x0ba */
177 __u32 io_int_parm
; /* 0x0bc */
178 __u32 io_int_word
; /* 0x0c0 */
181 struct kvm_s390_ext_info
{
186 #define PGM_OPERATION 0x01
187 #define PGM_PRIVILEGED_OP 0x02
188 #define PGM_EXECUTE 0x03
189 #define PGM_PROTECTION 0x04
190 #define PGM_ADDRESSING 0x05
191 #define PGM_SPECIFICATION 0x06
192 #define PGM_DATA 0x07
194 struct kvm_s390_pgm_info
{
198 struct kvm_s390_prefix_info
{
202 struct kvm_s390_extcall_info
{
206 struct kvm_s390_emerg_info
{
210 struct kvm_s390_mchk_info
{
215 struct kvm_s390_interrupt_info
{
216 struct list_head list
;
219 struct kvm_s390_io_info io
;
220 struct kvm_s390_ext_info ext
;
221 struct kvm_s390_pgm_info pgm
;
222 struct kvm_s390_emerg_info emerg
;
223 struct kvm_s390_extcall_info extcall
;
224 struct kvm_s390_prefix_info prefix
;
225 struct kvm_s390_mchk_info mchk
;
229 /* for local_interrupt.action_flags */
230 #define ACTION_STORE_ON_STOP (1<<0)
231 #define ACTION_STOP_ON_STOP (1<<1)
233 struct kvm_s390_local_interrupt
{
235 struct list_head list
;
237 struct kvm_s390_float_interrupt
*float_int
;
238 int timer_due
; /* event indicator for waitqueue below */
239 wait_queue_head_t
*wq
;
241 unsigned int action_bits
;
244 struct kvm_s390_float_interrupt
{
246 struct list_head list
;
249 unsigned long idle_mask
[(KVM_MAX_VCPUS
+ sizeof(long) - 1)
251 struct kvm_s390_local_interrupt
*local_int
[KVM_MAX_VCPUS
];
255 struct kvm_vcpu_arch
{
256 struct kvm_s390_sie_block
*sie_block
;
257 s390_fp_regs host_fpregs
;
258 unsigned int host_acrs
[NUM_ACRS
];
259 s390_fp_regs guest_fpregs
;
260 struct kvm_s390_local_interrupt local_int
;
261 struct hrtimer ckc_timer
;
262 struct tasklet_struct tasklet
;
271 u32 remote_tlb_flush
;
274 struct kvm_arch_memory_slot
{
278 struct sca_block
*sca
;
280 struct kvm_s390_float_interrupt float_int
;
285 #define KVM_HVA_ERR_BAD (-1UL)
286 #define KVM_HVA_ERR_RO_BAD (-2UL)
288 static inline bool kvm_is_error_hva(unsigned long addr
)
290 return IS_ERR_VALUE(addr
);
293 extern int sie64a(struct kvm_s390_sie_block
*, u64
*);
294 extern char sie_exit
;