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622 lines
16 KiB
C
622 lines
16 KiB
C
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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#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, 2018
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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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struct kvm_s390_skeys {
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__u64 start_gfn;
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__u64 count;
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__u64 skeydata_addr;
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__u32 flags;
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__u32 reserved[9];
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};
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#define KVM_S390_CMMA_PEEK (1 << 0)
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/**
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* kvm_s390_cmma_log - Used for CMMA migration.
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*
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* Used both for input and output.
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*
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* @start_gfn: Guest page number to start from.
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* @count: Size of the result buffer.
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* @flags: Control operation mode via KVM_S390_CMMA_* flags
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* @remaining: Used with KVM_S390_GET_CMMA_BITS. Indicates how many dirty
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* pages are still remaining.
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* @mask: Used with KVM_S390_SET_CMMA_BITS. Bitmap of bits to actually set
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* in the PGSTE.
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* @values: Pointer to the values buffer.
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*
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* Used in KVM_S390_{G,S}ET_CMMA_BITS ioctls.
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*/
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struct kvm_s390_cmma_log {
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__u64 start_gfn;
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__u32 count;
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__u32 flags;
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union {
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__u64 remaining;
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__u64 mask;
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};
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__u64 values;
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};
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#define KVM_S390_RESET_POR 1
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#define KVM_S390_RESET_CLEAR 2
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#define KVM_S390_RESET_SUBSYSTEM 4
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#define KVM_S390_RESET_CPU_INIT 8
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#define KVM_S390_RESET_IPL 16
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/* for KVM_S390_MEM_OP */
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struct kvm_s390_mem_op {
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/* in */
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__u64 gaddr; /* the guest address */
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__u64 flags; /* flags */
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__u32 size; /* amount of bytes */
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__u32 op; /* type of operation */
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__u64 buf; /* buffer in userspace */
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union {
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struct {
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__u8 ar; /* the access register number */
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__u8 key; /* access key, ignored if flag unset */
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__u8 pad1[6]; /* ignored */
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__u64 old_addr; /* ignored if cmpxchg flag unset */
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};
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__u32 sida_offset; /* offset into the sida */
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__u8 reserved[32]; /* ignored */
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};
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};
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/* types for kvm_s390_mem_op->op */
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#define KVM_S390_MEMOP_LOGICAL_READ 0
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#define KVM_S390_MEMOP_LOGICAL_WRITE 1
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#define KVM_S390_MEMOP_SIDA_READ 2
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#define KVM_S390_MEMOP_SIDA_WRITE 3
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#define KVM_S390_MEMOP_ABSOLUTE_READ 4
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#define KVM_S390_MEMOP_ABSOLUTE_WRITE 5
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#define KVM_S390_MEMOP_ABSOLUTE_CMPXCHG 6
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/* flags for kvm_s390_mem_op->flags */
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#define KVM_S390_MEMOP_F_CHECK_ONLY (1ULL << 0)
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#define KVM_S390_MEMOP_F_INJECT_EXCEPTION (1ULL << 1)
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#define KVM_S390_MEMOP_F_SKEY_PROTECTION (1ULL << 2)
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/* flags specifying extension support via KVM_CAP_S390_MEM_OP_EXTENSION */
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#define KVM_S390_MEMOP_EXTENSION_CAP_BASE (1 << 0)
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#define KVM_S390_MEMOP_EXTENSION_CAP_CMPXCHG (1 << 1)
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struct kvm_s390_psw {
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__u64 mask;
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__u64 addr;
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};
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/* valid values for type in kvm_s390_interrupt */
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#define KVM_S390_SIGP_STOP 0xfffe0000u
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#define KVM_S390_PROGRAM_INT 0xfffe0001u
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#define KVM_S390_SIGP_SET_PREFIX 0xfffe0002u
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#define KVM_S390_RESTART 0xfffe0003u
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#define KVM_S390_INT_PFAULT_INIT 0xfffe0004u
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#define KVM_S390_INT_PFAULT_DONE 0xfffe0005u
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#define KVM_S390_MCHK 0xfffe1000u
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#define KVM_S390_INT_CLOCK_COMP 0xffff1004u
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#define KVM_S390_INT_CPU_TIMER 0xffff1005u
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#define KVM_S390_INT_VIRTIO 0xffff2603u
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#define KVM_S390_INT_SERVICE 0xffff2401u
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#define KVM_S390_INT_EMERGENCY 0xffff1201u
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#define KVM_S390_INT_EXTERNAL_CALL 0xffff1202u
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/* Anything below 0xfffe0000u is taken by INT_IO */
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#define KVM_S390_INT_IO(ai,cssid,ssid,schid) \
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(((schid)) | \
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((ssid) << 16) | \
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((cssid) << 18) | \
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((ai) << 26))
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#define KVM_S390_INT_IO_MIN 0x00000000u
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#define KVM_S390_INT_IO_MAX 0xfffdffffu
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#define KVM_S390_INT_IO_AI_MASK 0x04000000u
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struct kvm_s390_interrupt {
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__u32 type;
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__u32 parm;
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__u64 parm64;
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};
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struct kvm_s390_io_info {
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__u16 subchannel_id;
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__u16 subchannel_nr;
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__u32 io_int_parm;
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__u32 io_int_word;
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};
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struct kvm_s390_ext_info {
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__u32 ext_params;
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__u32 pad;
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__u64 ext_params2;
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};
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struct kvm_s390_pgm_info {
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__u64 trans_exc_code;
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__u64 mon_code;
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__u64 per_address;
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__u32 data_exc_code;
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__u16 code;
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__u16 mon_class_nr;
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__u8 per_code;
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__u8 per_atmid;
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__u8 exc_access_id;
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__u8 per_access_id;
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__u8 op_access_id;
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#define KVM_S390_PGM_FLAGS_ILC_VALID 0x01
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#define KVM_S390_PGM_FLAGS_ILC_0 0x02
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#define KVM_S390_PGM_FLAGS_ILC_1 0x04
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#define KVM_S390_PGM_FLAGS_ILC_MASK 0x06
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#define KVM_S390_PGM_FLAGS_NO_REWIND 0x08
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__u8 flags;
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__u8 pad[2];
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};
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struct kvm_s390_prefix_info {
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__u32 address;
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};
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struct kvm_s390_extcall_info {
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__u16 code;
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};
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struct kvm_s390_emerg_info {
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__u16 code;
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};
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#define KVM_S390_STOP_FLAG_STORE_STATUS 0x01
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struct kvm_s390_stop_info {
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__u32 flags;
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};
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struct kvm_s390_mchk_info {
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__u64 cr14;
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__u64 mcic;
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__u64 failing_storage_address;
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__u32 ext_damage_code;
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__u32 pad;
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__u8 fixed_logout[16];
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};
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struct kvm_s390_irq {
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__u64 type;
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union {
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struct kvm_s390_io_info io;
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struct kvm_s390_ext_info ext;
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struct kvm_s390_pgm_info pgm;
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struct kvm_s390_emerg_info emerg;
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struct kvm_s390_extcall_info extcall;
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struct kvm_s390_prefix_info prefix;
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struct kvm_s390_stop_info stop;
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struct kvm_s390_mchk_info mchk;
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char reserved[64];
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} u;
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};
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struct kvm_s390_irq_state {
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__u64 buf;
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__u32 flags; /* will stay unused for compatibility reasons */
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__u32 len;
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__u32 reserved[4]; /* will stay unused for compatibility reasons */
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};
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struct kvm_s390_ucas_mapping {
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__u64 user_addr;
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__u64 vcpu_addr;
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__u64 length;
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};
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struct kvm_s390_pv_sec_parm {
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__u64 origin;
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__u64 length;
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};
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struct kvm_s390_pv_unp {
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__u64 addr;
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__u64 size;
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__u64 tweak;
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};
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enum pv_cmd_dmp_id {
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KVM_PV_DUMP_INIT,
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KVM_PV_DUMP_CONFIG_STOR_STATE,
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KVM_PV_DUMP_COMPLETE,
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KVM_PV_DUMP_CPU,
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};
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struct kvm_s390_pv_dmp {
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__u64 subcmd;
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__u64 buff_addr;
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__u64 buff_len;
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__u64 gaddr; /* For dump storage state */
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__u64 reserved[4];
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};
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enum pv_cmd_info_id {
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KVM_PV_INFO_VM,
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KVM_PV_INFO_DUMP,
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};
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struct kvm_s390_pv_info_dump {
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__u64 dump_cpu_buffer_len;
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__u64 dump_config_mem_buffer_per_1m;
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__u64 dump_config_finalize_len;
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};
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struct kvm_s390_pv_info_vm {
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__u64 inst_calls_list[4];
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__u64 max_cpus;
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__u64 max_guests;
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__u64 max_guest_addr;
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__u64 feature_indication;
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};
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struct kvm_s390_pv_info_header {
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__u32 id;
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__u32 len_max;
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__u32 len_written;
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__u32 reserved;
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};
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struct kvm_s390_pv_info {
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struct kvm_s390_pv_info_header header;
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union {
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struct kvm_s390_pv_info_dump dump;
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struct kvm_s390_pv_info_vm vm;
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};
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};
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enum pv_cmd_id {
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KVM_PV_ENABLE,
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KVM_PV_DISABLE,
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KVM_PV_SET_SEC_PARMS,
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KVM_PV_UNPACK,
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KVM_PV_VERIFY,
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KVM_PV_PREP_RESET,
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KVM_PV_UNSHARE_ALL,
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KVM_PV_INFO,
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KVM_PV_DUMP,
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KVM_PV_ASYNC_CLEANUP_PREPARE,
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KVM_PV_ASYNC_CLEANUP_PERFORM,
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};
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struct kvm_pv_cmd {
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__u32 cmd; /* Command to be executed */
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__u16 rc; /* Ultravisor return code */
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__u16 rrc; /* Ultravisor return reason code */
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__u64 data; /* Data or address */
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__u32 flags; /* flags for future extensions. Must be 0 for now */
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__u32 reserved[3];
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};
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struct kvm_s390_zpci_op {
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/* in */
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__u32 fh; /* target device */
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__u8 op; /* operation to perform */
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__u8 pad[3];
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union {
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/* for KVM_S390_ZPCIOP_REG_AEN */
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struct {
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__u64 ibv; /* Guest addr of interrupt bit vector */
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__u64 sb; /* Guest addr of summary bit */
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__u32 flags;
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__u32 noi; /* Number of interrupts */
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__u8 isc; /* Guest interrupt subclass */
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__u8 sbo; /* Offset of guest summary bit vector */
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__u16 pad;
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} reg_aen;
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__u64 reserved[8];
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} u;
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};
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/* types for kvm_s390_zpci_op->op */
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#define KVM_S390_ZPCIOP_REG_AEN 0
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#define KVM_S390_ZPCIOP_DEREG_AEN 1
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/* flags for kvm_s390_zpci_op->u.reg_aen.flags */
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#define KVM_S390_ZPCIOP_REGAEN_HOST (1 << 0)
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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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#define KVM_DEV_FLIC_AISM 9
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#define KVM_DEV_FLIC_AIRQ_INJECT 10
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#define KVM_DEV_FLIC_AISM_ALL 11
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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 flags;
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};
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#define KVM_S390_ADAPTER_SUPPRESSIBLE 0x01
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struct kvm_s390_ais_req {
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__u8 isc;
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__u16 mode;
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};
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struct kvm_s390_ais_all {
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__u8 simm;
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__u8 nimm;
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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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#define KVM_S390_VM_MIGRATION 4
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#define KVM_S390_VM_CPU_TOPOLOGY 5
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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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#define KVM_S390_VM_TOD_EXT 2
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struct kvm_s390_vm_tod_clock {
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__u8 epoch_idx;
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__u64 tod;
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};
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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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#define KVM_S390_VM_CPU_FEAT_KSS 13
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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 kma[16]; /* with MSA8 */
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__u8 kdsa[16]; /* with MSA9 */
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__u8 sortl[32]; /* with STFLE.150 */
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__u8 dfltcc[32]; /* with STFLE.151 */
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__u8 reserved[1728];
|
|
};
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|
|
|
#define KVM_S390_VM_CPU_PROCESSOR_UV_FEAT_GUEST 6
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#define KVM_S390_VM_CPU_MACHINE_UV_FEAT_GUEST 7
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|
|
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#define KVM_S390_VM_CPU_UV_FEAT_NR_BITS 64
|
|
struct kvm_s390_vm_cpu_uv_feat {
|
|
union {
|
|
struct {
|
|
__u64 : 4;
|
|
__u64 ap : 1; /* bit 4 */
|
|
__u64 ap_intr : 1; /* bit 5 */
|
|
__u64 : 58;
|
|
};
|
|
__u64 feat;
|
|
};
|
|
};
|
|
|
|
/* kvm attributes for crypto */
|
|
#define KVM_S390_VM_CRYPTO_ENABLE_AES_KW 0
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|
#define KVM_S390_VM_CRYPTO_ENABLE_DEA_KW 1
|
|
#define KVM_S390_VM_CRYPTO_DISABLE_AES_KW 2
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|
#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 *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
|