| Heiko Carstens | b0c632d | 2008-03-25 18:47:20 +0100 | [diff] [blame^] | 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 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 | __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)); |
| 101 | |
| 102 | struct kvm_vcpu_stat { |
| 103 | u32 exit_userspace; |
| 104 | }; |
| 105 | |
| 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]; |
| 113 | }; |
| 114 | |
| 115 | struct kvm_vm_stat { |
| 116 | u32 remote_tlb_flush; |
| 117 | }; |
| 118 | |
| 119 | struct kvm_arch{ |
| 120 | unsigned long guest_origin; |
| 121 | unsigned long guest_memsize; |
| 122 | struct sca_block *sca; |
| 123 | debug_info_t *dbf; |
| 124 | }; |
| 125 | |
| 126 | extern int sie64a(struct sie_block *, __u64 *); |
| 127 | #endif |