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 #define __KVM_HAVE_GUEST_DEBUG 19 20 /* Device control API: s390-specific devices */ 21 #define KVM_DEV_FLIC_GET_ALL_IRQS 1 22 #define KVM_DEV_FLIC_ENQUEUE 2 23 #define KVM_DEV_FLIC_CLEAR_IRQS 3 24 #define KVM_DEV_FLIC_APF_ENABLE 4 25 #define KVM_DEV_FLIC_APF_DISABLE_WAIT 5 26 #define KVM_DEV_FLIC_ADAPTER_REGISTER 6 27 #define KVM_DEV_FLIC_ADAPTER_MODIFY 7 28 /* 29 * We can have up to 4*64k pending subchannels + 8 adapter interrupts, 30 * as well as up to ASYNC_PF_PER_VCPU*KVM_MAX_VCPUS pfault done interrupts. 31 * There are also sclp and machine checks. This gives us 32 * sizeof(kvm_s390_irq)*(4*65536+8+64*64+1+1) = 72 * 266250 = 19170000 33 * Lets round up to 8192 pages. 34 */ 35 #define KVM_S390_MAX_FLOAT_IRQS 266250 36 #define KVM_S390_FLIC_MAX_BUFFER 0x2000000 37 38 struct kvm_s390_io_adapter { 39 __u32 id; 40 __u8 isc; 41 __u8 maskable; 42 __u8 swap; 43 __u8 pad; 44 }; 45 46 #define KVM_S390_IO_ADAPTER_MASK 1 47 #define KVM_S390_IO_ADAPTER_MAP 2 48 #define KVM_S390_IO_ADAPTER_UNMAP 3 49 50 struct kvm_s390_io_adapter_req { 51 __u32 id; 52 __u8 type; 53 __u8 mask; 54 __u16 pad0; 55 __u64 addr; 56 }; 57 58 /* kvm attr_group on vm fd */ 59 #define KVM_S390_VM_MEM_CTRL 0 60 61 /* kvm attributes for mem_ctrl */ 62 #define KVM_S390_VM_MEM_ENABLE_CMMA 0 63 #define KVM_S390_VM_MEM_CLR_CMMA 1 64 65 /* for KVM_GET_REGS and KVM_SET_REGS */ 66 struct kvm_regs { 67 /* general purpose regs for s390 */ 68 __u64 gprs[16]; 69 }; 70 71 /* for KVM_GET_SREGS and KVM_SET_SREGS */ 72 struct kvm_sregs { 73 __u32 acrs[16]; 74 __u64 crs[16]; 75 }; 76 77 /* for KVM_GET_FPU and KVM_SET_FPU */ 78 struct kvm_fpu { 79 __u32 fpc; 80 __u64 fprs[16]; 81 }; 82 83 #define KVM_GUESTDBG_USE_HW_BP 0x00010000 84 85 #define KVM_HW_BP 1 86 #define KVM_HW_WP_WRITE 2 87 #define KVM_SINGLESTEP 4 88 89 struct kvm_debug_exit_arch { 90 __u64 addr; 91 __u8 type; 92 __u8 pad[7]; /* Should be set to 0 */ 93 }; 94 95 struct kvm_hw_breakpoint { 96 __u64 addr; 97 __u64 phys_addr; 98 __u64 len; 99 __u8 type; 100 __u8 pad[7]; /* Should be set to 0 */ 101 }; 102 103 /* for KVM_SET_GUEST_DEBUG */ 104 struct kvm_guest_debug_arch { 105 __u32 nr_hw_bp; 106 __u32 pad; /* Should be set to 0 */ 107 struct kvm_hw_breakpoint __user *hw_bp; 108 }; 109 110 #define KVM_SYNC_PREFIX (1UL << 0) 111 #define KVM_SYNC_GPRS (1UL << 1) 112 #define KVM_SYNC_ACRS (1UL << 2) 113 #define KVM_SYNC_CRS (1UL << 3) 114 /* definition of registers in kvm_run */ 115 struct kvm_sync_regs { 116 __u64 prefix; /* prefix register */ 117 __u64 gprs[16]; /* general purpose registers */ 118 __u32 acrs[16]; /* access registers */ 119 __u64 crs[16]; /* control registers */ 120 }; 121 122 #define KVM_REG_S390_TODPR (KVM_REG_S390 | KVM_REG_SIZE_U32 | 0x1) 123 #define KVM_REG_S390_EPOCHDIFF (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x2) 124 #define KVM_REG_S390_CPU_TIMER (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x3) 125 #define KVM_REG_S390_CLOCK_COMP (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x4) 126 #define KVM_REG_S390_PFTOKEN (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x5) 127 #define KVM_REG_S390_PFCOMPARE (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x6) 128 #define KVM_REG_S390_PFSELECT (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x7) 129 #define KVM_REG_S390_PP (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x8) 130 #define KVM_REG_S390_GBEA (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x9) 131 #endif 132