1 #ifndef __LINUX_KVM_S390_H
2 #define __LINUX_KVM_S390_H
4 * KVM s390 specific structures and definitions
6 * Copyright IBM Corp. 2008
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.
12 * Author(s): Carsten Otte <cotte@de.ibm.com>
13 * Christian Borntraeger <borntraeger@de.ibm.com>
15 #include <linux/types.h>
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 #define KVM_DEV_FLIC_ADAPTER_REGISTER 6
26 #define KVM_DEV_FLIC_ADAPTER_MODIFY 7
28 * We can have up to 4*64k pending subchannels + 8 adapter interrupts,
29 * as well as up to ASYNC_PF_PER_VCPU*KVM_MAX_VCPUS pfault done interrupts.
30 * There are also sclp and machine checks. This gives us
31 * sizeof(kvm_s390_irq)*(4*65536+8+64*64+1+1) = 72 * 266250 = 19170000
32 * Lets round up to 8192 pages.
34 #define KVM_S390_MAX_FLOAT_IRQS 266250
35 #define KVM_S390_FLIC_MAX_BUFFER 0x2000000
37 struct kvm_s390_io_adapter {
45 #define KVM_S390_IO_ADAPTER_MASK 1
46 #define KVM_S390_IO_ADAPTER_MAP 2
47 #define KVM_S390_IO_ADAPTER_UNMAP 3
49 struct kvm_s390_io_adapter_req {
57 /* for KVM_GET_REGS and KVM_SET_REGS */
59 /* general purpose regs for s390 */
63 /* for KVM_GET_SREGS and KVM_SET_SREGS */
69 /* for KVM_GET_FPU and KVM_SET_FPU */
75 struct kvm_debug_exit_arch {
78 /* for KVM_SET_GUEST_DEBUG */
79 struct kvm_guest_debug_arch {
82 #define KVM_SYNC_PREFIX (1UL << 0)
83 #define KVM_SYNC_GPRS (1UL << 1)
84 #define KVM_SYNC_ACRS (1UL << 2)
85 #define KVM_SYNC_CRS (1UL << 3)
86 /* definition of registers in kvm_run */
87 struct kvm_sync_regs {
88 __u64 prefix; /* prefix register */
89 __u64 gprs[16]; /* general purpose registers */
90 __u32 acrs[16]; /* access registers */
91 __u64 crs[16]; /* control registers */
94 #define KVM_REG_S390_TODPR (KVM_REG_S390 | KVM_REG_SIZE_U32 | 0x1)
95 #define KVM_REG_S390_EPOCHDIFF (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x2)
96 #define KVM_REG_S390_CPU_TIMER (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x3)
97 #define KVM_REG_S390_CLOCK_COMP (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x4)
98 #define KVM_REG_S390_PFTOKEN (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x5)
99 #define KVM_REG_S390_PFCOMPARE (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x6)
100 #define KVM_REG_S390_PFSELECT (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x7)
101 #define KVM_REG_S390_PP (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x8)
102 #define KVM_REG_S390_GBEA (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x9)