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s390: KVM preparation: address of the 64bit extint parm in lowcore
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1#ifndef __LINUX_KVM_H
2#define __LINUX_KVM_H
3
4/*
5 * Userspace interface for /dev/kvm - kernel based virtual machine
6 *
dea8caee 7 * Note: you must update KVM_API_VERSION if you change this interface.
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8 */
9
10#include <asm/types.h>
97646202 11#include <linux/compiler.h>
6aa8b732 12#include <linux/ioctl.h>
f6a40e3b 13#include <asm/kvm.h>
6aa8b732 14
2ff81f70 15#define KVM_API_VERSION 12
0b76e20b 16
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17/* for KVM_CREATE_MEMORY_REGION */
18struct kvm_memory_region {
19 __u32 slot;
20 __u32 flags;
21 __u64 guest_phys_addr;
22 __u64 memory_size; /* bytes */
23};
24
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25/* for KVM_SET_USER_MEMORY_REGION */
26struct kvm_userspace_memory_region {
27 __u32 slot;
28 __u32 flags;
29 __u64 guest_phys_addr;
30 __u64 memory_size; /* bytes */
31 __u64 userspace_addr; /* start of the userspace allocated memory */
32};
33
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34/* for kvm_memory_region::flags */
35#define KVM_MEM_LOG_DIRTY_PAGES 1UL
36
37
97222cc8 38/* for KVM_IRQ_LINE */
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39struct kvm_irq_level {
40 /*
41 * ACPI gsi notion of irq.
42 * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47..
43 * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23..
44 */
45 __u32 irq;
46 __u32 level;
47};
48
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49
50struct kvm_irqchip {
51 __u32 chip_id;
52 __u32 pad;
53 union {
54 char dummy[512]; /* reserving space */
51e29625 55#ifdef CONFIG_X86
6ceb9d79 56 struct kvm_pic_state pic;
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57#endif
58#if defined(CONFIG_X86) || defined(CONFIG_IA64)
6bf9e962 59 struct kvm_ioapic_state ioapic;
51e29625 60#endif
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61 } chip;
62};
63
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64#define KVM_EXIT_UNKNOWN 0
65#define KVM_EXIT_EXCEPTION 1
66#define KVM_EXIT_IO 2
67#define KVM_EXIT_HYPERCALL 3
68#define KVM_EXIT_DEBUG 4
69#define KVM_EXIT_HLT 5
70#define KVM_EXIT_MMIO 6
71#define KVM_EXIT_IRQ_WINDOW_OPEN 7
72#define KVM_EXIT_SHUTDOWN 8
73#define KVM_EXIT_FAIL_ENTRY 9
74#define KVM_EXIT_INTR 10
75#define KVM_EXIT_SET_TPR 11
b209749f 76#define KVM_EXIT_TPR_ACCESS 12
6aa8b732 77
9a2bb7f4 78/* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
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79struct kvm_run {
80 /* in */
c1150d8c 81 __u8 request_interrupt_window;
02c83209 82 __u8 padding1[7];
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83
84 /* out */
6aa8b732 85 __u32 exit_reason;
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86 __u8 ready_for_interrupt_injection;
87 __u8 if_flag;
2ff81f70 88 __u8 padding2[2];
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89
90 /* in (pre_kvm_run), out (post_kvm_run) */
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91 __u64 cr8;
92 __u64 apic_base;
93
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94 union {
95 /* KVM_EXIT_UNKNOWN */
96 struct {
8eb7d334 97 __u64 hardware_exit_reason;
6aa8b732 98 } hw;
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99 /* KVM_EXIT_FAIL_ENTRY */
100 struct {
101 __u64 hardware_entry_failure_reason;
102 } fail_entry;
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103 /* KVM_EXIT_EXCEPTION */
104 struct {
105 __u32 exception;
106 __u32 error_code;
107 } ex;
108 /* KVM_EXIT_IO */
46fc1477 109 struct kvm_io {
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110#define KVM_EXIT_IO_IN 0
111#define KVM_EXIT_IO_OUT 1
112 __u8 direction;
113 __u8 size; /* bytes */
6aa8b732 114 __u16 port;
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115 __u32 count;
116 __u64 data_offset; /* relative to kvm_run start */
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117 } io;
118 struct {
119 } debug;
120 /* KVM_EXIT_MMIO */
121 struct {
122 __u64 phys_addr;
123 __u8 data[8];
124 __u32 len;
125 __u8 is_write;
126 } mmio;
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127 /* KVM_EXIT_HYPERCALL */
128 struct {
519ef353 129 __u64 nr;
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130 __u64 args[6];
131 __u64 ret;
132 __u32 longmode;
133 __u32 pad;
134 } hypercall;
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135 /* KVM_EXIT_TPR_ACCESS */
136 struct {
137 __u64 rip;
138 __u32 is_write;
139 __u32 pad;
140 } tpr_access;
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141 /* Fix the size of the union. */
142 char padding[256];
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143 };
144};
145
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146/* for KVM_TRANSLATE */
147struct kvm_translation {
148 /* in */
149 __u64 linear_address;
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150
151 /* out */
152 __u64 physical_address;
153 __u8 valid;
154 __u8 writeable;
155 __u8 usermode;
8cd13307 156 __u8 pad[5];
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157};
158
159/* for KVM_INTERRUPT */
160struct kvm_interrupt {
161 /* in */
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162 __u32 irq;
163};
164
165struct kvm_breakpoint {
166 __u32 enabled;
167 __u32 padding;
168 __u64 address;
169};
170
171/* for KVM_DEBUG_GUEST */
172struct kvm_debug_guest {
173 /* int */
6aa8b732 174 __u32 enabled;
bccf2150 175 __u32 pad;
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176 struct kvm_breakpoint breakpoints[4];
177 __u32 singlestep;
178};
179
180/* for KVM_GET_DIRTY_LOG */
181struct kvm_dirty_log {
182 __u32 slot;
183 __u32 padding;
184 union {
185 void __user *dirty_bitmap; /* one bit per page */
186 __u64 padding;
187 };
188};
189
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190/* for KVM_SET_SIGNAL_MASK */
191struct kvm_signal_mask {
192 __u32 len;
193 __u8 sigset[0];
194};
195
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196/* for KVM_TPR_ACCESS_REPORTING */
197struct kvm_tpr_access_ctl {
198 __u32 enabled;
199 __u32 flags;
200 __u32 reserved[8];
201};
202
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203/* for KVM_SET_VAPIC_ADDR */
204struct kvm_vapic_addr {
205 __u64 vapic_addr;
206};
207
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208#define KVMIO 0xAE
209
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210/*
211 * ioctls for /dev/kvm fds:
212 */
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213#define KVM_GET_API_VERSION _IO(KVMIO, 0x00)
214#define KVM_CREATE_VM _IO(KVMIO, 0x01) /* returns a VM fd */
215#define KVM_GET_MSR_INDEX_LIST _IOWR(KVMIO, 0x02, struct kvm_msr_list)
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216/*
217 * Check if a kvm extension is available. Argument is extension number,
218 * return is 1 (yes) or 0 (no, sorry).
219 */
220#define KVM_CHECK_EXTENSION _IO(KVMIO, 0x03)
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221/*
222 * Get size for mmap(vcpu_fd)
223 */
224#define KVM_GET_VCPU_MMAP_SIZE _IO(KVMIO, 0x04) /* in bytes */
674eea0f 225#define KVM_GET_SUPPORTED_CPUID _IOWR(KVMIO, 0x05, struct kvm_cpuid2)
f17abe9a 226
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227/*
228 * Extension capability list.
229 */
230#define KVM_CAP_IRQCHIP 0
b6958ce4 231#define KVM_CAP_HLT 1
82ce2c96 232#define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2
6fc138d2 233#define KVM_CAP_USER_MEMORY 3
cbc94022 234#define KVM_CAP_SET_TSS_ADDR 4
b209749f 235#define KVM_CAP_VAPIC 6
674eea0f 236#define KVM_CAP_EXT_CPUID 7
18068523 237#define KVM_CAP_CLOCKSOURCE 8
f725230a 238#define KVM_CAP_NR_VCPUS 9 /* returns max vcpus per vm */
a988b910 239#define KVM_CAP_NR_MEMSLOTS 10 /* returns max memory slots per vm */
7837699f 240#define KVM_CAP_PIT 11
a28e4f5a 241#define KVM_CAP_NOP_IO_DELAY 12
2f333bcb 242#define KVM_CAP_PV_MMU 13
85f455f7 243
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244/*
245 * ioctls for VM fds
246 */
739872c5 247#define KVM_SET_MEMORY_REGION _IOW(KVMIO, 0x40, struct kvm_memory_region)
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248#define KVM_SET_NR_MMU_PAGES _IO(KVMIO, 0x44)
249#define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45)
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250#define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46,\
251 struct kvm_userspace_memory_region)
cbc94022 252#define KVM_SET_TSS_ADDR _IO(KVMIO, 0x47)
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253/*
254 * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
255 * a vcpu fd.
256 */
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257#define KVM_CREATE_VCPU _IO(KVMIO, 0x41)
258#define KVM_GET_DIRTY_LOG _IOW(KVMIO, 0x42, struct kvm_dirty_log)
e8207547 259#define KVM_SET_MEMORY_ALIAS _IOW(KVMIO, 0x43, struct kvm_memory_alias)
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260/* Device model IOC */
261#define KVM_CREATE_IRQCHIP _IO(KVMIO, 0x60)
97222cc8 262#define KVM_IRQ_LINE _IOW(KVMIO, 0x61, struct kvm_irq_level)
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263#define KVM_GET_IRQCHIP _IOWR(KVMIO, 0x62, struct kvm_irqchip)
264#define KVM_SET_IRQCHIP _IOR(KVMIO, 0x63, struct kvm_irqchip)
7837699f 265#define KVM_CREATE_PIT _IO(KVMIO, 0x64)
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266#define KVM_GET_PIT _IOWR(KVMIO, 0x65, struct kvm_pit_state)
267#define KVM_SET_PIT _IOR(KVMIO, 0x66, struct kvm_pit_state)
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268
269/*
270 * ioctls for vcpu fds
271 */
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272#define KVM_RUN _IO(KVMIO, 0x80)
273#define KVM_GET_REGS _IOR(KVMIO, 0x81, struct kvm_regs)
274#define KVM_SET_REGS _IOW(KVMIO, 0x82, struct kvm_regs)
275#define KVM_GET_SREGS _IOR(KVMIO, 0x83, struct kvm_sregs)
276#define KVM_SET_SREGS _IOW(KVMIO, 0x84, struct kvm_sregs)
277#define KVM_TRANSLATE _IOWR(KVMIO, 0x85, struct kvm_translation)
278#define KVM_INTERRUPT _IOW(KVMIO, 0x86, struct kvm_interrupt)
279#define KVM_DEBUG_GUEST _IOW(KVMIO, 0x87, struct kvm_debug_guest)
280#define KVM_GET_MSRS _IOWR(KVMIO, 0x88, struct kvm_msrs)
281#define KVM_SET_MSRS _IOW(KVMIO, 0x89, struct kvm_msrs)
282#define KVM_SET_CPUID _IOW(KVMIO, 0x8a, struct kvm_cpuid)
1961d276 283#define KVM_SET_SIGNAL_MASK _IOW(KVMIO, 0x8b, struct kvm_signal_mask)
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284#define KVM_GET_FPU _IOR(KVMIO, 0x8c, struct kvm_fpu)
285#define KVM_SET_FPU _IOW(KVMIO, 0x8d, struct kvm_fpu)
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286#define KVM_GET_LAPIC _IOR(KVMIO, 0x8e, struct kvm_lapic_state)
287#define KVM_SET_LAPIC _IOW(KVMIO, 0x8f, struct kvm_lapic_state)
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288#define KVM_SET_CPUID2 _IOW(KVMIO, 0x90, struct kvm_cpuid2)
289#define KVM_GET_CPUID2 _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
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290/* Available with KVM_CAP_VAPIC */
291#define KVM_TPR_ACCESS_REPORTING _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
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292/* Available with KVM_CAP_VAPIC */
293#define KVM_SET_VAPIC_ADDR _IOW(KVMIO, 0x93, struct kvm_vapic_addr)
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294
295#endif