| /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ | |
| #ifndef __LINUX_KVM_S390_H | |
| #define __LINUX_KVM_S390_H | |
| /* | |
| * KVM s390 specific structures and definitions | |
| * | |
| * Copyright IBM Corp. 2008, 2018 | |
| * | |
| * Author(s): Carsten Otte <cotte@de.ibm.com> | |
| * Christian Borntraeger <borntraeger@de.ibm.com> | |
| */ | |
| #include <linux/types.h> | |
| #define __KVM_S390 | |
| #define __KVM_HAVE_GUEST_DEBUG | |
| /* Device control API: s390-specific devices */ | |
| #define KVM_DEV_FLIC_GET_ALL_IRQS 1 | |
| #define KVM_DEV_FLIC_ENQUEUE 2 | |
| #define KVM_DEV_FLIC_CLEAR_IRQS 3 | |
| #define KVM_DEV_FLIC_APF_ENABLE 4 | |
| #define KVM_DEV_FLIC_APF_DISABLE_WAIT 5 | |
| #define KVM_DEV_FLIC_ADAPTER_REGISTER 6 | |
| #define KVM_DEV_FLIC_ADAPTER_MODIFY 7 | |
| #define KVM_DEV_FLIC_CLEAR_IO_IRQ 8 | |
| #define KVM_DEV_FLIC_AISM 9 | |
| #define KVM_DEV_FLIC_AIRQ_INJECT 10 | |
| #define KVM_DEV_FLIC_AISM_ALL 11 | |
| /* | |
| * We can have up to 4*64k pending subchannels + 8 adapter interrupts, | |
| * as well as up to ASYNC_PF_PER_VCPU*KVM_MAX_VCPUS pfault done interrupts. | |
| * There are also sclp and machine checks. This gives us | |
| * sizeof(kvm_s390_irq)*(4*65536+8+64*64+1+1) = 72 * 266250 = 19170000 | |
| * Lets round up to 8192 pages. | |
| */ | |
| #define KVM_S390_MAX_FLOAT_IRQS 266250 | |
| #define KVM_S390_FLIC_MAX_BUFFER 0x2000000 | |
| struct kvm_s390_io_adapter { | |
| __u32 id; | |
| __u8 isc; | |
| __u8 maskable; | |
| __u8 swap; | |
| __u8 flags; | |
| }; | |
| #define KVM_S390_ADAPTER_SUPPRESSIBLE 0x01 | |
| struct kvm_s390_ais_req { | |
| __u8 isc; | |
| __u16 mode; | |
| }; | |
| struct kvm_s390_ais_all { | |
| __u8 simm; | |
| __u8 nimm; | |
| }; | |
| #define KVM_S390_IO_ADAPTER_MASK 1 | |
| #define KVM_S390_IO_ADAPTER_MAP 2 | |
| #define KVM_S390_IO_ADAPTER_UNMAP 3 | |
| struct kvm_s390_io_adapter_req { | |
| __u32 id; | |
| __u8 type; | |
| __u8 mask; | |
| __u16 pad0; | |
| __u64 addr; | |
| }; | |
| /* kvm attr_group on vm fd */ | |
| #define KVM_S390_VM_MEM_CTRL 0 | |
| #define KVM_S390_VM_TOD 1 | |
| #define KVM_S390_VM_CRYPTO 2 | |
| #define KVM_S390_VM_CPU_MODEL 3 | |
| #define KVM_S390_VM_MIGRATION 4 | |
| /* kvm attributes for mem_ctrl */ | |
| #define KVM_S390_VM_MEM_ENABLE_CMMA 0 | |
| #define KVM_S390_VM_MEM_CLR_CMMA 1 | |
| #define KVM_S390_VM_MEM_LIMIT_SIZE 2 | |
| #define KVM_S390_NO_MEM_LIMIT U64_MAX | |
| /* kvm attributes for KVM_S390_VM_TOD */ | |
| #define KVM_S390_VM_TOD_LOW 0 | |
| #define KVM_S390_VM_TOD_HIGH 1 | |
| #define KVM_S390_VM_TOD_EXT 2 | |
| struct kvm_s390_vm_tod_clock { | |
| __u8 epoch_idx; | |
| __u64 tod; | |
| }; | |
| /* kvm attributes for KVM_S390_VM_CPU_MODEL */ | |
| /* processor related attributes are r/w */ | |
| #define KVM_S390_VM_CPU_PROCESSOR 0 | |
| struct kvm_s390_vm_cpu_processor { | |
| __u64 cpuid; | |
| __u16 ibc; | |
| __u8 pad[6]; | |
| __u64 fac_list[256]; | |
| }; | |
| /* machine related attributes are r/o */ | |
| #define KVM_S390_VM_CPU_MACHINE 1 | |
| struct kvm_s390_vm_cpu_machine { | |
| __u64 cpuid; | |
| __u32 ibc; | |
| __u8 pad[4]; | |
| __u64 fac_mask[256]; | |
| __u64 fac_list[256]; | |
| }; | |
| #define KVM_S390_VM_CPU_PROCESSOR_FEAT 2 | |
| #define KVM_S390_VM_CPU_MACHINE_FEAT 3 | |
| #define KVM_S390_VM_CPU_FEAT_NR_BITS 1024 | |
| #define KVM_S390_VM_CPU_FEAT_ESOP 0 | |
| #define KVM_S390_VM_CPU_FEAT_SIEF2 1 | |
| #define KVM_S390_VM_CPU_FEAT_64BSCAO 2 | |
| #define KVM_S390_VM_CPU_FEAT_SIIF 3 | |
| #define KVM_S390_VM_CPU_FEAT_GPERE 4 | |
| #define KVM_S390_VM_CPU_FEAT_GSLS 5 | |
| #define KVM_S390_VM_CPU_FEAT_IB 6 | |
| #define KVM_S390_VM_CPU_FEAT_CEI 7 | |
| #define KVM_S390_VM_CPU_FEAT_IBS 8 | |
| #define KVM_S390_VM_CPU_FEAT_SKEY 9 | |
| #define KVM_S390_VM_CPU_FEAT_CMMA 10 | |
| #define KVM_S390_VM_CPU_FEAT_PFMFI 11 | |
| #define KVM_S390_VM_CPU_FEAT_SIGPIF 12 | |
| #define KVM_S390_VM_CPU_FEAT_KSS 13 | |
| struct kvm_s390_vm_cpu_feat { | |
| __u64 feat[16]; | |
| }; | |
| #define KVM_S390_VM_CPU_PROCESSOR_SUBFUNC 4 | |
| #define KVM_S390_VM_CPU_MACHINE_SUBFUNC 5 | |
| /* for "test bit" instructions MSB 0 bit ordering, for "query" raw blocks */ | |
| struct kvm_s390_vm_cpu_subfunc { | |
| __u8 plo[32]; /* always */ | |
| __u8 ptff[16]; /* with TOD-clock steering */ | |
| __u8 kmac[16]; /* with MSA */ | |
| __u8 kmc[16]; /* with MSA */ | |
| __u8 km[16]; /* with MSA */ | |
| __u8 kimd[16]; /* with MSA */ | |
| __u8 klmd[16]; /* with MSA */ | |
| __u8 pckmo[16]; /* with MSA3 */ | |
| __u8 kmctr[16]; /* with MSA4 */ | |
| __u8 kmf[16]; /* with MSA4 */ | |
| __u8 kmo[16]; /* with MSA4 */ | |
| __u8 pcc[16]; /* with MSA4 */ | |
| __u8 ppno[16]; /* with MSA5 */ | |
| __u8 kma[16]; /* with MSA8 */ | |
| __u8 kdsa[16]; /* with MSA9 */ | |
| __u8 sortl[32]; /* with STFLE.150 */ | |
| __u8 dfltcc[32]; /* with STFLE.151 */ | |
| __u8 reserved[1728]; | |
| }; | |
| /* kvm attributes for crypto */ | |
| #define KVM_S390_VM_CRYPTO_ENABLE_AES_KW 0 | |
| #define KVM_S390_VM_CRYPTO_ENABLE_DEA_KW 1 | |
| #define KVM_S390_VM_CRYPTO_DISABLE_AES_KW 2 | |
| #define KVM_S390_VM_CRYPTO_DISABLE_DEA_KW 3 | |
| #define KVM_S390_VM_CRYPTO_ENABLE_APIE 4 | |
| #define KVM_S390_VM_CRYPTO_DISABLE_APIE 5 | |
| /* kvm attributes for migration mode */ | |
| #define KVM_S390_VM_MIGRATION_STOP 0 | |
| #define KVM_S390_VM_MIGRATION_START 1 | |
| #define KVM_S390_VM_MIGRATION_STATUS 2 | |
| /* for KVM_GET_REGS and KVM_SET_REGS */ | |
| struct kvm_regs { | |
| /* general purpose regs for s390 */ | |
| __u64 gprs[16]; | |
| }; | |
| /* for KVM_GET_SREGS and KVM_SET_SREGS */ | |
| struct kvm_sregs { | |
| __u32 acrs[16]; | |
| __u64 crs[16]; | |
| }; | |
| /* for KVM_GET_FPU and KVM_SET_FPU */ | |
| struct kvm_fpu { | |
| __u32 fpc; | |
| __u64 fprs[16]; | |
| }; | |
| #define KVM_GUESTDBG_USE_HW_BP 0x00010000 | |
| #define KVM_HW_BP 1 | |
| #define KVM_HW_WP_WRITE 2 | |
| #define KVM_SINGLESTEP 4 | |
| struct kvm_debug_exit_arch { | |
| __u64 addr; | |
| __u8 type; | |
| __u8 pad[7]; /* Should be set to 0 */ | |
| }; | |
| struct kvm_hw_breakpoint { | |
| __u64 addr; | |
| __u64 phys_addr; | |
| __u64 len; | |
| __u8 type; | |
| __u8 pad[7]; /* Should be set to 0 */ | |
| }; | |
| /* for KVM_SET_GUEST_DEBUG */ | |
| struct kvm_guest_debug_arch { | |
| __u32 nr_hw_bp; | |
| __u32 pad; /* Should be set to 0 */ | |
| struct kvm_hw_breakpoint __user *hw_bp; | |
| }; | |
| /* for KVM_SYNC_PFAULT and KVM_REG_S390_PFTOKEN */ | |
| #define KVM_S390_PFAULT_TOKEN_INVALID 0xffffffffffffffffULL | |
| #define KVM_SYNC_PREFIX (1UL << 0) | |
| #define KVM_SYNC_GPRS (1UL << 1) | |
| #define KVM_SYNC_ACRS (1UL << 2) | |
| #define KVM_SYNC_CRS (1UL << 3) | |
| #define KVM_SYNC_ARCH0 (1UL << 4) | |
| #define KVM_SYNC_PFAULT (1UL << 5) | |
| #define KVM_SYNC_VRS (1UL << 6) | |
| #define KVM_SYNC_RICCB (1UL << 7) | |
| #define KVM_SYNC_FPRS (1UL << 8) | |
| #define KVM_SYNC_GSCB (1UL << 9) | |
| #define KVM_SYNC_BPBC (1UL << 10) | |
| #define KVM_SYNC_ETOKEN (1UL << 11) | |
| #define KVM_SYNC_DIAG318 (1UL << 12) | |
| #define KVM_SYNC_S390_VALID_FIELDS \ | |
| (KVM_SYNC_PREFIX | KVM_SYNC_GPRS | KVM_SYNC_ACRS | KVM_SYNC_CRS | \ | |
| KVM_SYNC_ARCH0 | KVM_SYNC_PFAULT | KVM_SYNC_VRS | KVM_SYNC_RICCB | \ | |
| KVM_SYNC_FPRS | KVM_SYNC_GSCB | KVM_SYNC_BPBC | KVM_SYNC_ETOKEN | \ | |
| KVM_SYNC_DIAG318) | |
| /* length and alignment of the sdnx as a power of two */ | |
| #define SDNXC 8 | |
| #define SDNXL (1UL << SDNXC) | |
| /* definition of registers in kvm_run */ | |
| struct kvm_sync_regs { | |
| __u64 prefix; /* prefix register */ | |
| __u64 gprs[16]; /* general purpose registers */ | |
| __u32 acrs[16]; /* access registers */ | |
| __u64 crs[16]; /* control registers */ | |
| __u64 todpr; /* tod programmable register [ARCH0] */ | |
| __u64 cputm; /* cpu timer [ARCH0] */ | |
| __u64 ckc; /* clock comparator [ARCH0] */ | |
| __u64 pp; /* program parameter [ARCH0] */ | |
| __u64 gbea; /* guest breaking-event address [ARCH0] */ | |
| __u64 pft; /* pfault token [PFAULT] */ | |
| __u64 pfs; /* pfault select [PFAULT] */ | |
| __u64 pfc; /* pfault compare [PFAULT] */ | |
| union { | |
| __u64 vrs[32][2]; /* vector registers (KVM_SYNC_VRS) */ | |
| __u64 fprs[16]; /* fp registers (KVM_SYNC_FPRS) */ | |
| }; | |
| __u8 reserved[512]; /* for future vector expansion */ | |
| __u32 fpc; /* valid on KVM_SYNC_VRS or KVM_SYNC_FPRS */ | |
| __u8 bpbc : 1; /* bp mode */ | |
| __u8 reserved2 : 7; | |
| __u8 padding1[51]; /* riccb needs to be 64byte aligned */ | |
| __u8 riccb[64]; /* runtime instrumentation controls block */ | |
| __u64 diag318; /* diagnose 0x318 info */ | |
| __u8 padding2[184]; /* sdnx needs to be 256byte aligned */ | |
| union { | |
| __u8 sdnx[SDNXL]; /* state description annex */ | |
| struct { | |
| __u64 reserved1[2]; | |
| __u64 gscb[4]; | |
| __u64 etoken; | |
| __u64 etoken_extension; | |
| }; | |
| }; | |
| }; | |
| #define KVM_REG_S390_TODPR (KVM_REG_S390 | KVM_REG_SIZE_U32 | 0x1) | |
| #define KVM_REG_S390_EPOCHDIFF (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x2) | |
| #define KVM_REG_S390_CPU_TIMER (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x3) | |
| #define KVM_REG_S390_CLOCK_COMP (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x4) | |
| #define KVM_REG_S390_PFTOKEN (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x5) | |
| #define KVM_REG_S390_PFCOMPARE (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x6) | |
| #define KVM_REG_S390_PFSELECT (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x7) | |
| #define KVM_REG_S390_PP (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x8) | |
| #define KVM_REG_S390_GBEA (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x9) | |
| #endif |