KVM: s390: Fix instruction naming for lctlg
[linux-2.6.git] / include / asm-s390 / kvm_host.h
1 /*
2  * asm-s390/kvm_host.h - definition for kernel virtual machines on s390
3  *
4  * Copyright IBM Corp. 2008
5  *
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.
9  *
10  *    Author(s): Carsten Otte <cotte@de.ibm.com>
11  */
12
13
14 #ifndef ASM_KVM_HOST_H
15 #define ASM_KVM_HOST_H
16 #include <linux/kvm_host.h>
17 #include <asm/debug.h>
18
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
23
24 struct kvm_guest_debug {
25 };
26
27 struct sca_entry {
28         atomic_t scn;
29         __u64   reserved;
30         __u64   sda;
31         __u64   reserved2[2];
32 } __attribute__((packed));
33
34
35 struct sca_block {
36         __u64   ipte_control;
37         __u64   reserved[5];
38         __u64   mcn;
39         __u64   reserved2;
40         struct sca_entry cpu[64];
41 } __attribute__((packed));
42
43 #define KVM_PAGES_PER_HPAGE 256
44
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
64
65 struct kvm_s390_sie_block {
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[30];         /* 0x00b0 */
98         __u16   iprcc;                  /* 0x00ce */
99         __u8    reservedd0[48];         /* 0x00d0 */
100         __u64   gcr[16];                /* 0x0100 */
101         __u64   gbea;                   /* 0x0180 */
102         __u8    reserved188[120];       /* 0x0188 */
103 } __attribute__((packed));
104
105 struct kvm_vcpu_stat {
106         u32 exit_userspace;
107         u32 exit_null;
108         u32 exit_external_request;
109         u32 exit_external_interrupt;
110         u32 exit_stop_request;
111         u32 exit_validity;
112         u32 exit_instruction;
113         u32 instruction_lctl;
114         u32 instruction_lctlg;
115         u32 exit_program_interruption;
116         u32 exit_instr_and_program;
117         u32 deliver_emergency_signal;
118         u32 deliver_service_signal;
119         u32 deliver_virtio_interrupt;
120         u32 deliver_stop_signal;
121         u32 deliver_prefix_signal;
122         u32 deliver_restart_signal;
123         u32 deliver_program_int;
124         u32 exit_wait_state;
125         u32 instruction_stidp;
126         u32 instruction_spx;
127         u32 instruction_stpx;
128         u32 instruction_stap;
129         u32 instruction_storage_key;
130         u32 instruction_stsch;
131         u32 instruction_chsc;
132         u32 instruction_stsi;
133         u32 instruction_stfl;
134         u32 instruction_sigp_sense;
135         u32 instruction_sigp_emergency;
136         u32 instruction_sigp_stop;
137         u32 instruction_sigp_arch;
138         u32 instruction_sigp_prefix;
139         u32 instruction_sigp_restart;
140         u32 diagnose_44;
141 };
142
143 struct kvm_s390_io_info {
144         __u16        subchannel_id;            /* 0x0b8 */
145         __u16        subchannel_nr;            /* 0x0ba */
146         __u32        io_int_parm;              /* 0x0bc */
147         __u32        io_int_word;              /* 0x0c0 */
148 };
149
150 struct kvm_s390_ext_info {
151         __u32 ext_params;
152         __u64 ext_params2;
153 };
154
155 #define PGM_OPERATION            0x01
156 #define PGM_PRIVILEGED_OPERATION 0x02
157 #define PGM_EXECUTE              0x03
158 #define PGM_PROTECTION           0x04
159 #define PGM_ADDRESSING           0x05
160 #define PGM_SPECIFICATION        0x06
161 #define PGM_DATA                 0x07
162
163 struct kvm_s390_pgm_info {
164         __u16 code;
165 };
166
167 struct kvm_s390_prefix_info {
168         __u32 address;
169 };
170
171 struct kvm_s390_interrupt_info {
172         struct list_head list;
173         u64     type;
174         union {
175                 struct kvm_s390_io_info io;
176                 struct kvm_s390_ext_info ext;
177                 struct kvm_s390_pgm_info pgm;
178                 struct kvm_s390_prefix_info prefix;
179         };
180 };
181
182 /* for local_interrupt.action_flags */
183 #define ACTION_STORE_ON_STOP 1
184 #define ACTION_STOP_ON_STOP  2
185
186 struct kvm_s390_local_interrupt {
187         spinlock_t lock;
188         struct list_head list;
189         atomic_t active;
190         struct kvm_s390_float_interrupt *float_int;
191         int timer_due; /* event indicator for waitqueue below */
192         wait_queue_head_t wq;
193         atomic_t *cpuflags;
194         unsigned int action_bits;
195 };
196
197 struct kvm_s390_float_interrupt {
198         spinlock_t lock;
199         struct list_head list;
200         atomic_t active;
201         int next_rr_cpu;
202         unsigned long idle_mask [(64 + sizeof(long) - 1) / sizeof(long)];
203         struct kvm_s390_local_interrupt *local_int[64];
204 };
205
206
207 struct kvm_vcpu_arch {
208         struct kvm_s390_sie_block *sie_block;
209         unsigned long     guest_gprs[16];
210         s390_fp_regs      host_fpregs;
211         unsigned int      host_acrs[NUM_ACRS];
212         s390_fp_regs      guest_fpregs;
213         unsigned int      guest_acrs[NUM_ACRS];
214         struct kvm_s390_local_interrupt local_int;
215         struct timer_list ckc_timer;
216         union  {
217                 cpuid_t   cpu_id;
218                 u64       stidp_data;
219         };
220 };
221
222 struct kvm_vm_stat {
223         u32 remote_tlb_flush;
224 };
225
226 struct kvm_arch{
227         unsigned long guest_origin;
228         unsigned long guest_memsize;
229         struct sca_block *sca;
230         debug_info_t *dbf;
231         struct kvm_s390_float_interrupt float_int;
232 };
233
234 extern int sie64a(struct kvm_s390_sie_block *, unsigned long *);
235 #endif