234 lines
6.6 KiB
C
234 lines
6.6 KiB
C
#ifndef __LINUX_KVM_S390_H
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#define __LINUX_KVM_S390_H
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/*
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* KVM s390 specific structures and definitions
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*
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* Copyright IBM Corp. 2008
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License (version 2 only)
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* as published by the Free Software Foundation.
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*
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* Author(s): Carsten Otte <cotte@de.ibm.com>
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* Christian Borntraeger <borntraeger@de.ibm.com>
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*/
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#include <linux/types.h>
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#define __KVM_S390
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#define __KVM_HAVE_GUEST_DEBUG
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/* Device control API: s390-specific devices */
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#define KVM_DEV_FLIC_GET_ALL_IRQS 1
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#define KVM_DEV_FLIC_ENQUEUE 2
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#define KVM_DEV_FLIC_CLEAR_IRQS 3
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#define KVM_DEV_FLIC_APF_ENABLE 4
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#define KVM_DEV_FLIC_APF_DISABLE_WAIT 5
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#define KVM_DEV_FLIC_ADAPTER_REGISTER 6
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#define KVM_DEV_FLIC_ADAPTER_MODIFY 7
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#define KVM_DEV_FLIC_CLEAR_IO_IRQ 8
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/*
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* We can have up to 4*64k pending subchannels + 8 adapter interrupts,
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* as well as up to ASYNC_PF_PER_VCPU*KVM_MAX_VCPUS pfault done interrupts.
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* There are also sclp and machine checks. This gives us
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* sizeof(kvm_s390_irq)*(4*65536+8+64*64+1+1) = 72 * 266250 = 19170000
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* Lets round up to 8192 pages.
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*/
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#define KVM_S390_MAX_FLOAT_IRQS 266250
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#define KVM_S390_FLIC_MAX_BUFFER 0x2000000
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struct kvm_s390_io_adapter {
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__u32 id;
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__u8 isc;
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__u8 maskable;
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__u8 swap;
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__u8 pad;
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};
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#define KVM_S390_IO_ADAPTER_MASK 1
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#define KVM_S390_IO_ADAPTER_MAP 2
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#define KVM_S390_IO_ADAPTER_UNMAP 3
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struct kvm_s390_io_adapter_req {
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__u32 id;
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__u8 type;
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__u8 mask;
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__u16 pad0;
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__u64 addr;
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};
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/* kvm attr_group on vm fd */
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#define KVM_S390_VM_MEM_CTRL 0
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#define KVM_S390_VM_TOD 1
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#define KVM_S390_VM_CRYPTO 2
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#define KVM_S390_VM_CPU_MODEL 3
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/* kvm attributes for mem_ctrl */
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#define KVM_S390_VM_MEM_ENABLE_CMMA 0
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#define KVM_S390_VM_MEM_CLR_CMMA 1
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#define KVM_S390_VM_MEM_LIMIT_SIZE 2
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#define KVM_S390_NO_MEM_LIMIT U64_MAX
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/* kvm attributes for KVM_S390_VM_TOD */
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#define KVM_S390_VM_TOD_LOW 0
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#define KVM_S390_VM_TOD_HIGH 1
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/* kvm attributes for KVM_S390_VM_CPU_MODEL */
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/* processor related attributes are r/w */
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#define KVM_S390_VM_CPU_PROCESSOR 0
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struct kvm_s390_vm_cpu_processor {
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__u64 cpuid;
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__u16 ibc;
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__u8 pad[6];
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__u64 fac_list[256];
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};
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/* machine related attributes are r/o */
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#define KVM_S390_VM_CPU_MACHINE 1
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struct kvm_s390_vm_cpu_machine {
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__u64 cpuid;
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__u32 ibc;
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__u8 pad[4];
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__u64 fac_mask[256];
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__u64 fac_list[256];
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};
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#define KVM_S390_VM_CPU_PROCESSOR_FEAT 2
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#define KVM_S390_VM_CPU_MACHINE_FEAT 3
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#define KVM_S390_VM_CPU_FEAT_NR_BITS 1024
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#define KVM_S390_VM_CPU_FEAT_ESOP 0
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#define KVM_S390_VM_CPU_FEAT_SIEF2 1
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#define KVM_S390_VM_CPU_FEAT_64BSCAO 2
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#define KVM_S390_VM_CPU_FEAT_SIIF 3
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#define KVM_S390_VM_CPU_FEAT_GPERE 4
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#define KVM_S390_VM_CPU_FEAT_GSLS 5
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#define KVM_S390_VM_CPU_FEAT_IB 6
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#define KVM_S390_VM_CPU_FEAT_CEI 7
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#define KVM_S390_VM_CPU_FEAT_IBS 8
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#define KVM_S390_VM_CPU_FEAT_SKEY 9
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#define KVM_S390_VM_CPU_FEAT_CMMA 10
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#define KVM_S390_VM_CPU_FEAT_PFMFI 11
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#define KVM_S390_VM_CPU_FEAT_SIGPIF 12
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struct kvm_s390_vm_cpu_feat {
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__u64 feat[16];
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};
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#define KVM_S390_VM_CPU_PROCESSOR_SUBFUNC 4
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#define KVM_S390_VM_CPU_MACHINE_SUBFUNC 5
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/* for "test bit" instructions MSB 0 bit ordering, for "query" raw blocks */
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struct kvm_s390_vm_cpu_subfunc {
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__u8 plo[32]; /* always */
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__u8 ptff[16]; /* with TOD-clock steering */
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__u8 kmac[16]; /* with MSA */
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__u8 kmc[16]; /* with MSA */
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__u8 km[16]; /* with MSA */
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__u8 kimd[16]; /* with MSA */
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__u8 klmd[16]; /* with MSA */
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__u8 pckmo[16]; /* with MSA3 */
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__u8 kmctr[16]; /* with MSA4 */
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__u8 kmf[16]; /* with MSA4 */
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__u8 kmo[16]; /* with MSA4 */
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__u8 pcc[16]; /* with MSA4 */
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__u8 ppno[16]; /* with MSA5 */
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__u8 reserved[1824];
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};
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/* kvm attributes for crypto */
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#define KVM_S390_VM_CRYPTO_ENABLE_AES_KW 0
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#define KVM_S390_VM_CRYPTO_ENABLE_DEA_KW 1
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#define KVM_S390_VM_CRYPTO_DISABLE_AES_KW 2
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#define KVM_S390_VM_CRYPTO_DISABLE_DEA_KW 3
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/* for KVM_GET_REGS and KVM_SET_REGS */
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struct kvm_regs {
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/* general purpose regs for s390 */
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__u64 gprs[16];
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};
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/* for KVM_GET_SREGS and KVM_SET_SREGS */
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struct kvm_sregs {
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__u32 acrs[16];
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__u64 crs[16];
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};
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/* for KVM_GET_FPU and KVM_SET_FPU */
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struct kvm_fpu {
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__u32 fpc;
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__u64 fprs[16];
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};
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#define KVM_GUESTDBG_USE_HW_BP 0x00010000
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#define KVM_HW_BP 1
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#define KVM_HW_WP_WRITE 2
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#define KVM_SINGLESTEP 4
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struct kvm_debug_exit_arch {
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__u64 addr;
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__u8 type;
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__u8 pad[7]; /* Should be set to 0 */
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};
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struct kvm_hw_breakpoint {
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__u64 addr;
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__u64 phys_addr;
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__u64 len;
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__u8 type;
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__u8 pad[7]; /* Should be set to 0 */
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};
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/* for KVM_SET_GUEST_DEBUG */
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struct kvm_guest_debug_arch {
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__u32 nr_hw_bp;
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__u32 pad; /* Should be set to 0 */
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struct kvm_hw_breakpoint *hw_bp;
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};
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/* for KVM_SYNC_PFAULT and KVM_REG_S390_PFTOKEN */
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#define KVM_S390_PFAULT_TOKEN_INVALID 0xffffffffffffffffULL
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#define KVM_SYNC_PREFIX (1UL << 0)
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#define KVM_SYNC_GPRS (1UL << 1)
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#define KVM_SYNC_ACRS (1UL << 2)
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#define KVM_SYNC_CRS (1UL << 3)
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#define KVM_SYNC_ARCH0 (1UL << 4)
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#define KVM_SYNC_PFAULT (1UL << 5)
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#define KVM_SYNC_VRS (1UL << 6)
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#define KVM_SYNC_RICCB (1UL << 7)
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#define KVM_SYNC_FPRS (1UL << 8)
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/* definition of registers in kvm_run */
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struct kvm_sync_regs {
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__u64 prefix; /* prefix register */
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__u64 gprs[16]; /* general purpose registers */
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__u32 acrs[16]; /* access registers */
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__u64 crs[16]; /* control registers */
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__u64 todpr; /* tod programmable register [ARCH0] */
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__u64 cputm; /* cpu timer [ARCH0] */
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__u64 ckc; /* clock comparator [ARCH0] */
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__u64 pp; /* program parameter [ARCH0] */
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__u64 gbea; /* guest breaking-event address [ARCH0] */
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__u64 pft; /* pfault token [PFAULT] */
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__u64 pfs; /* pfault select [PFAULT] */
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__u64 pfc; /* pfault compare [PFAULT] */
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union {
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__u64 vrs[32][2]; /* vector registers (KVM_SYNC_VRS) */
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__u64 fprs[16]; /* fp registers (KVM_SYNC_FPRS) */
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};
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__u8 reserved[512]; /* for future vector expansion */
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__u32 fpc; /* valid on KVM_SYNC_VRS or KVM_SYNC_FPRS */
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__u8 padding[52]; /* riccb needs to be 64byte aligned */
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__u8 riccb[64]; /* runtime instrumentation controls block */
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};
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#define KVM_REG_S390_TODPR (KVM_REG_S390 | KVM_REG_SIZE_U32 | 0x1)
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#define KVM_REG_S390_EPOCHDIFF (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x2)
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#define KVM_REG_S390_CPU_TIMER (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x3)
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#define KVM_REG_S390_CLOCK_COMP (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x4)
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#define KVM_REG_S390_PFTOKEN (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x5)
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#define KVM_REG_S390_PFCOMPARE (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x6)
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#define KVM_REG_S390_PFSELECT (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x7)
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#define KVM_REG_S390_PP (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x8)
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#define KVM_REG_S390_GBEA (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x9)
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#endif
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