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 /* 26 * We can have up to 4*64k pending subchannels + 8 adapter interrupts, 27 * as well as up to ASYNC_PF_PER_VCPU*KVM_MAX_VCPUS pfault done interrupts. 28 * There are also sclp and machine checks. This gives us 29 * sizeof(kvm_s390_irq)*(4*65536+8+64*64+1+1) = 72 * 266250 = 19170000 30 * Lets round up to 8192 pages. 31 */ 32 #define KVM_S390_MAX_FLOAT_IRQS 266250 33 #define KVM_S390_FLIC_MAX_BUFFER 0x2000000 34 35 /* for KVM_GET_REGS and KVM_SET_REGS */ 36 struct kvm_regs { 37 /* general purpose regs for s390 */ 38 __u64 gprs[16]; 39 }; 40 41 /* for KVM_GET_SREGS and KVM_SET_SREGS */ 42 struct kvm_sregs { 43 __u32 acrs[16]; 44 __u64 crs[16]; 45 }; 46 47 /* for KVM_GET_FPU and KVM_SET_FPU */ 48 struct kvm_fpu { 49 __u32 fpc; 50 __u64 fprs[16]; 51 }; 52 53 struct kvm_debug_exit_arch { 54 }; 55 56 /* for KVM_SET_GUEST_DEBUG */ 57 struct kvm_guest_debug_arch { 58 }; 59 60 #define KVM_SYNC_PREFIX (1UL << 0) 61 #define KVM_SYNC_GPRS (1UL << 1) 62 #define KVM_SYNC_ACRS (1UL << 2) 63 #define KVM_SYNC_CRS (1UL << 3) 64 /* definition of registers in kvm_run */ 65 struct kvm_sync_regs { 66 __u64 prefix; /* prefix register */ 67 __u64 gprs[16]; /* general purpose registers */ 68 __u32 acrs[16]; /* access registers */ 69 __u64 crs[16]; /* control registers */ 70 }; 71 72 #define KVM_REG_S390_TODPR (KVM_REG_S390 | KVM_REG_SIZE_U32 | 0x1) 73 #define KVM_REG_S390_EPOCHDIFF (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x2) 74 #define KVM_REG_S390_CPU_TIMER (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x3) 75 #define KVM_REG_S390_CLOCK_COMP (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x4) 76 #define KVM_REG_S390_PFTOKEN (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x5) 77 #define KVM_REG_S390_PFCOMPARE (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x6) 78 #define KVM_REG_S390_PFSELECT (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x7) 79 #endif 80