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 __u16 lctl; /* 0x0044 */
74 __s16 icpua; /* 0x0046 */
75 __u32 ictl; /* 0x0048 */
76 __u32 eca; /* 0x004c */
77 __u8 icptcode; /* 0x0050 */
78 __u8 reserved51; /* 0x0051 */
79 __u16 ihcpu; /* 0x0052 */
80 __u8 reserved54[2]; /* 0x0054 */
81 __u16 ipa; /* 0x0056 */
82 __u32 ipb; /* 0x0058 */
83 __u32 scaoh; /* 0x005c */
84 __u8 reserved60; /* 0x0060 */
85 __u8 ecb; /* 0x0061 */
86 __u8 reserved62[2]; /* 0x0062 */
87 __u32 scaol; /* 0x0064 */
88 __u8 reserved68[4]; /* 0x0068 */
89 __u32 todpr; /* 0x006c */
90 __u8 reserved70[16]; /* 0x0070 */
91 __u64 gmsor; /* 0x0080 */
92 __u64 gmslm; /* 0x0088 */
93 psw_t gpsw; /* 0x0090 */
94 __u64 gg14; /* 0x00a0 */
95 __u64 gg15; /* 0x00a8 */
96 __u8 reservedb0[80]; /* 0x00b0 */
97 __u64 gcr[16]; /* 0x0100 */
98 __u64 gbea; /* 0x0180 */
99 __u8 reserved188[120]; /* 0x0188 */
100 } __attribute__((packed));
102 struct kvm_vcpu_stat {
106 struct kvm_vcpu_arch {
107 struct sie_block *sie_block;
108 unsigned long guest_gprs[16];
109 s390_fp_regs host_fpregs;
110 unsigned int host_acrs[NUM_ACRS];
111 s390_fp_regs guest_fpregs;
112 unsigned int guest_acrs[NUM_ACRS];
116 u32 remote_tlb_flush;
120 unsigned long guest_origin;
121 unsigned long guest_memsize;
122 struct sca_block *sca;
126 extern int sie64a(struct sie_block *, __u64 *);