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;
122 u32 instruction_stidp;
124 u32 instruction_stpx;
125 u32 instruction_stap;
126 u32 instruction_storage_key;
127 u32 instruction_stsch;
128 u32 instruction_chsc;
129 u32 instruction_stsi;
130 u32 instruction_stfl;
131 u32 instruction_sigp_sense;
132 u32 instruction_sigp_emergency;
133 u32 instruction_sigp_stop;
134 u32 instruction_sigp_arch;
135 u32 instruction_sigp_prefix;
136 u32 instruction_sigp_restart;
140 __u16 subchannel_id; /* 0x0b8 */
141 __u16 subchannel_nr; /* 0x0ba */
142 __u32 io_int_parm; /* 0x0bc */
143 __u32 io_int_word; /* 0x0c0 */
151 #define PGM_OPERATION 0x01
152 #define PGM_PRIVILEGED_OPERATION 0x02
153 #define PGM_EXECUTE 0x03
154 #define PGM_PROTECTION 0x04
155 #define PGM_ADDRESSING 0x05
156 #define PGM_SPECIFICATION 0x06
157 #define PGM_DATA 0x07
167 struct interrupt_info {
168 struct list_head list;
174 struct prefix_info prefix;
178 /* for local_interrupt.action_flags */
179 #define ACTION_STORE_ON_STOP 1
180 #define ACTION_STOP_ON_STOP 2
182 struct local_interrupt {
184 struct list_head list;
186 struct float_interrupt *float_int;
187 int timer_due; /* event indicator for waitqueue below */
188 wait_queue_head_t wq;
190 unsigned int action_bits;
193 struct float_interrupt {
195 struct list_head list;
198 unsigned long idle_mask [(64 + sizeof(long) - 1) / sizeof(long)];
199 struct local_interrupt *local_int[64];
203 struct kvm_vcpu_arch {
204 struct sie_block *sie_block;
205 unsigned long guest_gprs[16];
206 s390_fp_regs host_fpregs;
207 unsigned int host_acrs[NUM_ACRS];
208 s390_fp_regs guest_fpregs;
209 unsigned int guest_acrs[NUM_ACRS];
210 struct local_interrupt local_int;
211 struct timer_list ckc_timer;
219 u32 remote_tlb_flush;
223 unsigned long guest_origin;
224 unsigned long guest_memsize;
225 struct sca_block *sca;
227 struct float_interrupt float_int;
230 extern int sie64a(struct sie_block *, __u64 *);