KVM: s390: sie intercept handling
[deliverable/linux.git] / include / linux / kvm.h
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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
8f2abe6a 77#define KVM_EXIT_S390_SIEIC 13
6aa8b732 78
9a2bb7f4 79/* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
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80struct kvm_run {
81 /* in */
c1150d8c 82 __u8 request_interrupt_window;
02c83209 83 __u8 padding1[7];
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84
85 /* out */
6aa8b732 86 __u32 exit_reason;
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87 __u8 ready_for_interrupt_injection;
88 __u8 if_flag;
2ff81f70 89 __u8 padding2[2];
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90
91 /* in (pre_kvm_run), out (post_kvm_run) */
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92 __u64 cr8;
93 __u64 apic_base;
94
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95 union {
96 /* KVM_EXIT_UNKNOWN */
97 struct {
8eb7d334 98 __u64 hardware_exit_reason;
6aa8b732 99 } hw;
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100 /* KVM_EXIT_FAIL_ENTRY */
101 struct {
102 __u64 hardware_entry_failure_reason;
103 } fail_entry;
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104 /* KVM_EXIT_EXCEPTION */
105 struct {
106 __u32 exception;
107 __u32 error_code;
108 } ex;
109 /* KVM_EXIT_IO */
46fc1477 110 struct kvm_io {
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111#define KVM_EXIT_IO_IN 0
112#define KVM_EXIT_IO_OUT 1
113 __u8 direction;
114 __u8 size; /* bytes */
6aa8b732 115 __u16 port;
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116 __u32 count;
117 __u64 data_offset; /* relative to kvm_run start */
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118 } io;
119 struct {
120 } debug;
121 /* KVM_EXIT_MMIO */
122 struct {
123 __u64 phys_addr;
124 __u8 data[8];
125 __u32 len;
126 __u8 is_write;
127 } mmio;
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128 /* KVM_EXIT_HYPERCALL */
129 struct {
519ef353 130 __u64 nr;
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131 __u64 args[6];
132 __u64 ret;
133 __u32 longmode;
134 __u32 pad;
135 } hypercall;
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136 /* KVM_EXIT_TPR_ACCESS */
137 struct {
138 __u64 rip;
139 __u32 is_write;
140 __u32 pad;
141 } tpr_access;
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142 /* KVM_EXIT_S390_SIEIC */
143 struct {
144 __u8 icptcode;
145 __u64 mask; /* psw upper half */
146 __u64 addr; /* psw lower half */
147 __u16 ipa;
148 __u32 ipb;
149 } s390_sieic;
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150 /* Fix the size of the union. */
151 char padding[256];
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152 };
153};
154
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155/* for KVM_TRANSLATE */
156struct kvm_translation {
157 /* in */
158 __u64 linear_address;
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159
160 /* out */
161 __u64 physical_address;
162 __u8 valid;
163 __u8 writeable;
164 __u8 usermode;
8cd13307 165 __u8 pad[5];
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166};
167
168/* for KVM_INTERRUPT */
169struct kvm_interrupt {
170 /* in */
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171 __u32 irq;
172};
173
174struct kvm_breakpoint {
175 __u32 enabled;
176 __u32 padding;
177 __u64 address;
178};
179
180/* for KVM_DEBUG_GUEST */
181struct kvm_debug_guest {
182 /* int */
6aa8b732 183 __u32 enabled;
bccf2150 184 __u32 pad;
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185 struct kvm_breakpoint breakpoints[4];
186 __u32 singlestep;
187};
188
189/* for KVM_GET_DIRTY_LOG */
190struct kvm_dirty_log {
191 __u32 slot;
192 __u32 padding;
193 union {
194 void __user *dirty_bitmap; /* one bit per page */
195 __u64 padding;
196 };
197};
198
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199/* for KVM_SET_SIGNAL_MASK */
200struct kvm_signal_mask {
201 __u32 len;
202 __u8 sigset[0];
203};
204
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205/* for KVM_TPR_ACCESS_REPORTING */
206struct kvm_tpr_access_ctl {
207 __u32 enabled;
208 __u32 flags;
209 __u32 reserved[8];
210};
211
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212/* for KVM_SET_VAPIC_ADDR */
213struct kvm_vapic_addr {
214 __u64 vapic_addr;
215};
216
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217struct kvm_s390_psw {
218 __u64 mask;
219 __u64 addr;
220};
221
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222#define KVMIO 0xAE
223
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224/*
225 * ioctls for /dev/kvm fds:
226 */
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227#define KVM_GET_API_VERSION _IO(KVMIO, 0x00)
228#define KVM_CREATE_VM _IO(KVMIO, 0x01) /* returns a VM fd */
229#define KVM_GET_MSR_INDEX_LIST _IOWR(KVMIO, 0x02, struct kvm_msr_list)
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230
231#define KVM_S390_ENABLE_SIE _IO(KVMIO, 0x06)
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232/*
233 * Check if a kvm extension is available. Argument is extension number,
234 * return is 1 (yes) or 0 (no, sorry).
235 */
236#define KVM_CHECK_EXTENSION _IO(KVMIO, 0x03)
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237/*
238 * Get size for mmap(vcpu_fd)
239 */
240#define KVM_GET_VCPU_MMAP_SIZE _IO(KVMIO, 0x04) /* in bytes */
674eea0f 241#define KVM_GET_SUPPORTED_CPUID _IOWR(KVMIO, 0x05, struct kvm_cpuid2)
f17abe9a 242
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243/*
244 * Extension capability list.
245 */
246#define KVM_CAP_IRQCHIP 0
b6958ce4 247#define KVM_CAP_HLT 1
82ce2c96 248#define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2
6fc138d2 249#define KVM_CAP_USER_MEMORY 3
cbc94022 250#define KVM_CAP_SET_TSS_ADDR 4
b209749f 251#define KVM_CAP_VAPIC 6
674eea0f 252#define KVM_CAP_EXT_CPUID 7
18068523 253#define KVM_CAP_CLOCKSOURCE 8
f725230a 254#define KVM_CAP_NR_VCPUS 9 /* returns max vcpus per vm */
a988b910 255#define KVM_CAP_NR_MEMSLOTS 10 /* returns max memory slots per vm */
7837699f 256#define KVM_CAP_PIT 11
a28e4f5a 257#define KVM_CAP_NOP_IO_DELAY 12
2f333bcb 258#define KVM_CAP_PV_MMU 13
85f455f7 259
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260/*
261 * ioctls for VM fds
262 */
739872c5 263#define KVM_SET_MEMORY_REGION _IOW(KVMIO, 0x40, struct kvm_memory_region)
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264#define KVM_SET_NR_MMU_PAGES _IO(KVMIO, 0x44)
265#define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45)
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266#define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46,\
267 struct kvm_userspace_memory_region)
cbc94022 268#define KVM_SET_TSS_ADDR _IO(KVMIO, 0x47)
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269/*
270 * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
271 * a vcpu fd.
272 */
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273#define KVM_CREATE_VCPU _IO(KVMIO, 0x41)
274#define KVM_GET_DIRTY_LOG _IOW(KVMIO, 0x42, struct kvm_dirty_log)
e8207547 275#define KVM_SET_MEMORY_ALIAS _IOW(KVMIO, 0x43, struct kvm_memory_alias)
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276/* Device model IOC */
277#define KVM_CREATE_IRQCHIP _IO(KVMIO, 0x60)
97222cc8 278#define KVM_IRQ_LINE _IOW(KVMIO, 0x61, struct kvm_irq_level)
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279#define KVM_GET_IRQCHIP _IOWR(KVMIO, 0x62, struct kvm_irqchip)
280#define KVM_SET_IRQCHIP _IOR(KVMIO, 0x63, struct kvm_irqchip)
7837699f 281#define KVM_CREATE_PIT _IO(KVMIO, 0x64)
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282#define KVM_GET_PIT _IOWR(KVMIO, 0x65, struct kvm_pit_state)
283#define KVM_SET_PIT _IOR(KVMIO, 0x66, struct kvm_pit_state)
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284
285/*
286 * ioctls for vcpu fds
287 */
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288#define KVM_RUN _IO(KVMIO, 0x80)
289#define KVM_GET_REGS _IOR(KVMIO, 0x81, struct kvm_regs)
290#define KVM_SET_REGS _IOW(KVMIO, 0x82, struct kvm_regs)
291#define KVM_GET_SREGS _IOR(KVMIO, 0x83, struct kvm_sregs)
292#define KVM_SET_SREGS _IOW(KVMIO, 0x84, struct kvm_sregs)
293#define KVM_TRANSLATE _IOWR(KVMIO, 0x85, struct kvm_translation)
294#define KVM_INTERRUPT _IOW(KVMIO, 0x86, struct kvm_interrupt)
295#define KVM_DEBUG_GUEST _IOW(KVMIO, 0x87, struct kvm_debug_guest)
296#define KVM_GET_MSRS _IOWR(KVMIO, 0x88, struct kvm_msrs)
297#define KVM_SET_MSRS _IOW(KVMIO, 0x89, struct kvm_msrs)
298#define KVM_SET_CPUID _IOW(KVMIO, 0x8a, struct kvm_cpuid)
1961d276 299#define KVM_SET_SIGNAL_MASK _IOW(KVMIO, 0x8b, struct kvm_signal_mask)
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300#define KVM_GET_FPU _IOR(KVMIO, 0x8c, struct kvm_fpu)
301#define KVM_SET_FPU _IOW(KVMIO, 0x8d, struct kvm_fpu)
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302#define KVM_GET_LAPIC _IOR(KVMIO, 0x8e, struct kvm_lapic_state)
303#define KVM_SET_LAPIC _IOW(KVMIO, 0x8f, struct kvm_lapic_state)
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304#define KVM_SET_CPUID2 _IOW(KVMIO, 0x90, struct kvm_cpuid2)
305#define KVM_GET_CPUID2 _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
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306/* Available with KVM_CAP_VAPIC */
307#define KVM_TPR_ACCESS_REPORTING _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
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308/* Available with KVM_CAP_VAPIC */
309#define KVM_SET_VAPIC_ADDR _IOW(KVMIO, 0x93, struct kvm_vapic_addr)
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310/* store status for s390 */
311#define KVM_S390_STORE_STATUS_NOADDR (-1ul)
312#define KVM_S390_STORE_STATUS_PREFIXED (-2ul)
313#define KVM_S390_STORE_STATUS _IOW(KVMIO, 0x95, unsigned long)
314/* initial ipl psw for s390 */
315#define KVM_S390_SET_INITIAL_PSW _IOW(KVMIO, 0x96, struct kvm_s390_psw)
316/* initial reset for s390 */
317#define KVM_S390_INITIAL_RESET _IO(KVMIO, 0x97)
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318
319#endif
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