1 #ifndef __LINUX_KVM_S390_H 2 #define __LINUX_KVM_S390_H 3 /* 4 * KVM s390 specific structures and definitions 5 * 6 * Copyright IBM Corp. 2008 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License (version 2 only) 10 * as published by the Free Software Foundation. 11 * 12 * Author(s): Carsten Otte <cotte@de.ibm.com> 13 * Christian Borntraeger <borntraeger@de.ibm.com> 14 */ 15 #include <linux/types.h> 16 17 #define __KVM_S390 18 19 /* Device control API: s390-specific devices */ 20 #define KVM_DEV_FLIC_GET_ALL_IRQS 1 21 #define KVM_DEV_FLIC_ENQUEUE 2 22 #define KVM_DEV_FLIC_CLEAR_IRQS 3 23 #define KVM_DEV_FLIC_APF_ENABLE 4 24 #define KVM_DEV_FLIC_APF_DISABLE_WAIT 5 25 #define KVM_DEV_FLIC_ADAPTER_REGISTER 6 26 #define KVM_DEV_FLIC_ADAPTER_MODIFY 7 27 /* 28 * We can have up to 4*64k pending subchannels + 8 adapter interrupts, 29 * as well as up to ASYNC_PF_PER_VCPU*KVM_MAX_VCPUS pfault done interrupts. 30 * There are also sclp and machine checks. This gives us 31 * sizeof(kvm_s390_irq)*(4*65536+8+64*64+1+1) = 72 * 266250 = 19170000 32 * Lets round up to 8192 pages. 33 */ 34 #define KVM_S390_MAX_FLOAT_IRQS 266250 35 #define KVM_S390_FLIC_MAX_BUFFER 0x2000000 36 37 struct kvm_s390_io_adapter { 38 __u32 id; 39 __u8 isc; 40 __u8 maskable; 41 __u8 swap; 42 __u8 pad; 43 }; 44 45 #define KVM_S390_IO_ADAPTER_MASK 1 46 #define KVM_S390_IO_ADAPTER_MAP 2 47 #define KVM_S390_IO_ADAPTER_UNMAP 3 48 49 struct kvm_s390_io_adapter_req { 50 __u32 id; 51 __u8 type; 52 __u8 mask; 53 __u16 pad0; 54 __u64 addr; 55 }; 56 57 /* for KVM_GET_REGS and KVM_SET_REGS */ 58 struct kvm_regs { 59 /* general purpose regs for s390 */ 60 __u64 gprs[16]; 61 }; 62 63 /* for KVM_GET_SREGS and KVM_SET_SREGS */ 64 struct kvm_sregs { 65 __u32 acrs[16]; 66 __u64 crs[16]; 67 }; 68 69 /* for KVM_GET_FPU and KVM_SET_FPU */ 70 struct kvm_fpu { 71 __u32 fpc; 72 __u64 fprs[16]; 73 }; 74 75 struct kvm_debug_exit_arch { 76 }; 77 78 /* for KVM_SET_GUEST_DEBUG */ 79 struct kvm_guest_debug_arch { 80 }; 81 82 #define KVM_SYNC_PREFIX (1UL << 0) 83 #define KVM_SYNC_GPRS (1UL << 1) 84 #define KVM_SYNC_ACRS (1UL << 2) 85 #define KVM_SYNC_CRS (1UL << 3) 86 /* definition of registers in kvm_run */ 87 struct kvm_sync_regs { 88 __u64 prefix; /* prefix register */ 89 __u64 gprs[16]; /* general purpose registers */ 90 __u32 acrs[16]; /* access registers */ 91 __u64 crs[16]; /* control registers */ 92 }; 93 94 #define KVM_REG_S390_TODPR (KVM_REG_S390 | KVM_REG_SIZE_U32 | 0x1) 95 #define KVM_REG_S390_EPOCHDIFF (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x2) 96 #define KVM_REG_S390_CPU_TIMER (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x3) 97 #define KVM_REG_S390_CLOCK_COMP (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x4) 98 #define KVM_REG_S390_PFTOKEN (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x5) 99 #define KVM_REG_S390_PFCOMPARE (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x6) 100 #define KVM_REG_S390_PFSELECT (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x7) 101 #define KVM_REG_S390_PP (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x8) 102 #define KVM_REG_S390_GBEA (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x9) 103 #endif 104