2 * definition for kernel virtual machines on s390
4 * Copyright IBM Corp. 2008, 2009
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License (version 2 only)
8 * as published by the Free Software Foundation.
10 * Author(s): Carsten Otte <cotte@de.ibm.com>
14 #ifndef ASM_KVM_HOST_H
15 #define ASM_KVM_HOST_H
17 #include <linux/types.h>
18 #include <linux/hrtimer.h>
19 #include <linux/interrupt.h>
20 #include <linux/kvm_types.h>
21 #include <linux/kvm_host.h>
22 #include <linux/kvm.h>
23 #include <asm/debug.h>
25 #include <asm/fpu-internal.h>
28 #define KVM_MAX_VCPUS 64
29 #define KVM_USER_MEM_SLOTS 32
32 * These seem to be used for allocating ->chip in the routing table,
33 * which we don't use. 4096 is an out-of-thin-air value. If we need
34 * to look at ->chip later on, we'll need to revisit this.
36 #define KVM_NR_IRQCHIPS 1
37 #define KVM_IRQCHIP_NUM_PINS 4096
38 #define KVM_HALT_POLL_NS_DEFAULT 0
40 #define SIGP_CTRL_C 0x80
41 #define SIGP_CTRL_SCN_MASK 0x3f
49 } __attribute__((packed
));
55 unsigned long kh
: 31;
56 unsigned long kg
: 32;
61 union ipte_control ipte_control
;
65 struct sca_entry cpu
[64];
66 } __attribute__((packed
));
68 #define CPUSTAT_STOPPED 0x80000000
69 #define CPUSTAT_WAIT 0x10000000
70 #define CPUSTAT_ECALL_PEND 0x08000000
71 #define CPUSTAT_STOP_INT 0x04000000
72 #define CPUSTAT_IO_INT 0x02000000
73 #define CPUSTAT_EXT_INT 0x01000000
74 #define CPUSTAT_RUNNING 0x00800000
75 #define CPUSTAT_RETAINED 0x00400000
76 #define CPUSTAT_TIMING_SUB 0x00020000
77 #define CPUSTAT_SIE_SUB 0x00010000
78 #define CPUSTAT_RRF 0x00008000
79 #define CPUSTAT_SLSV 0x00004000
80 #define CPUSTAT_SLSR 0x00002000
81 #define CPUSTAT_ZARCH 0x00000800
82 #define CPUSTAT_MCDS 0x00000100
83 #define CPUSTAT_SM 0x00000080
84 #define CPUSTAT_IBS 0x00000040
85 #define CPUSTAT_GED2 0x00000010
86 #define CPUSTAT_G 0x00000008
87 #define CPUSTAT_GED 0x00000004
88 #define CPUSTAT_J 0x00000002
89 #define CPUSTAT_P 0x00000001
91 struct kvm_s390_sie_block
{
92 atomic_t cpuflags
; /* 0x0000 */
93 __u32
: 1; /* 0x0004 */
97 __u8 reserved08
[4]; /* 0x0008 */
98 #define PROG_IN_SIE (1<<0)
99 __u32 prog0c
; /* 0x000c */
100 __u8 reserved10
[16]; /* 0x0010 */
101 #define PROG_BLOCK_SIE (1<<0)
102 #define PROG_REQUEST (1<<1)
103 atomic_t prog20
; /* 0x0020 */
104 __u8 reserved24
[4]; /* 0x0024 */
105 __u64 cputm
; /* 0x0028 */
106 __u64 ckc
; /* 0x0030 */
107 __u64 epoch
; /* 0x0038 */
108 __u8 reserved40
[4]; /* 0x0040 */
109 #define LCTL_CR0 0x8000
110 #define LCTL_CR6 0x0200
111 #define LCTL_CR9 0x0040
112 #define LCTL_CR10 0x0020
113 #define LCTL_CR11 0x0010
114 #define LCTL_CR14 0x0002
115 __u16 lctl
; /* 0x0044 */
116 __s16 icpua
; /* 0x0046 */
117 #define ICTL_PINT 0x20000000
118 #define ICTL_LPSW 0x00400000
119 #define ICTL_STCTL 0x00040000
120 #define ICTL_ISKE 0x00004000
121 #define ICTL_SSKE 0x00002000
122 #define ICTL_RRBE 0x00001000
123 #define ICTL_TPROT 0x00000200
124 __u32 ictl
; /* 0x0048 */
125 __u32 eca
; /* 0x004c */
126 #define ICPT_INST 0x04
127 #define ICPT_PROGI 0x08
128 #define ICPT_INSTPROGI 0x0C
129 #define ICPT_OPEREXC 0x2C
130 #define ICPT_PARTEXEC 0x38
131 #define ICPT_IOINST 0x40
132 __u8 icptcode
; /* 0x0050 */
133 __u8 icptstatus
; /* 0x0051 */
134 __u16 ihcpu
; /* 0x0052 */
135 __u8 reserved54
[2]; /* 0x0054 */
136 __u16 ipa
; /* 0x0056 */
137 __u32 ipb
; /* 0x0058 */
138 __u32 scaoh
; /* 0x005c */
139 __u8 reserved60
; /* 0x0060 */
140 __u8 ecb
; /* 0x0061 */
141 __u8 ecb2
; /* 0x0062 */
142 #define ECB3_AES 0x04
143 #define ECB3_DEA 0x08
144 __u8 ecb3
; /* 0x0063 */
145 __u32 scaol
; /* 0x0064 */
146 __u8 reserved68
[4]; /* 0x0068 */
147 __u32 todpr
; /* 0x006c */
148 __u8 reserved70
[32]; /* 0x0070 */
149 psw_t gpsw
; /* 0x0090 */
150 __u64 gg14
; /* 0x00a0 */
151 __u64 gg15
; /* 0x00a8 */
152 __u8 reservedb0
[20]; /* 0x00b0 */
153 __u16 extcpuaddr
; /* 0x00c4 */
154 __u16 eic
; /* 0x00c6 */
155 __u32 reservedc8
; /* 0x00c8 */
156 __u16 pgmilc
; /* 0x00cc */
157 __u16 iprcc
; /* 0x00ce */
158 __u32 dxc
; /* 0x00d0 */
159 __u16 mcn
; /* 0x00d4 */
160 __u8 perc
; /* 0x00d6 */
161 __u8 peratmid
; /* 0x00d7 */
162 __u64 peraddr
; /* 0x00d8 */
163 __u8 eai
; /* 0x00e0 */
164 __u8 peraid
; /* 0x00e1 */
165 __u8 oai
; /* 0x00e2 */
166 __u8 armid
; /* 0x00e3 */
167 __u8 reservede4
[4]; /* 0x00e4 */
168 __u64 tecmc
; /* 0x00e8 */
169 __u8 reservedf0
[12]; /* 0x00f0 */
170 #define CRYCB_FORMAT1 0x00000001
171 #define CRYCB_FORMAT2 0x00000003
172 __u32 crycbd
; /* 0x00fc */
173 __u64 gcr
[16]; /* 0x0100 */
174 __u64 gbea
; /* 0x0180 */
175 __u8 reserved188
[24]; /* 0x0188 */
176 __u32 fac
; /* 0x01a0 */
177 __u8 reserved1a4
[20]; /* 0x01a4 */
178 __u64 cbrlo
; /* 0x01b8 */
179 __u8 reserved1c0
[8]; /* 0x01c0 */
180 __u32 ecd
; /* 0x01c8 */
181 __u8 reserved1cc
[18]; /* 0x01cc */
182 __u64 pp
; /* 0x01de */
183 __u8 reserved1e6
[2]; /* 0x01e6 */
184 __u64 itdba
; /* 0x01e8 */
185 __u8 reserved1f0
[16]; /* 0x01f0 */
186 } __attribute__((packed
));
188 struct kvm_s390_itdb
{
192 struct kvm_s390_vregs
{
194 __u8 reserved200
[512]; /* for future vector expansion */
198 struct kvm_s390_sie_block sie_block
;
199 __u8 reserved200
[1024]; /* 0x0200 */
200 struct kvm_s390_itdb itdb
; /* 0x0600 */
201 __u8 reserved700
[1280]; /* 0x0700 */
202 struct kvm_s390_vregs vregs
; /* 0x0c00 */
205 struct kvm_vcpu_stat
{
208 u32 exit_external_request
;
209 u32 exit_external_interrupt
;
210 u32 exit_stop_request
;
212 u32 exit_instruction
;
213 u32 halt_successful_poll
;
214 u32 halt_attempted_poll
;
216 u32 instruction_lctl
;
217 u32 instruction_lctlg
;
218 u32 instruction_stctl
;
219 u32 instruction_stctg
;
220 u32 exit_program_interruption
;
221 u32 exit_instr_and_program
;
222 u32 deliver_external_call
;
223 u32 deliver_emergency_signal
;
224 u32 deliver_service_signal
;
225 u32 deliver_virtio_interrupt
;
226 u32 deliver_stop_signal
;
227 u32 deliver_prefix_signal
;
228 u32 deliver_restart_signal
;
229 u32 deliver_program_int
;
232 u32 instruction_pfmf
;
233 u32 instruction_stidp
;
235 u32 instruction_stpx
;
236 u32 instruction_stap
;
237 u32 instruction_storage_key
;
238 u32 instruction_ipte_interlock
;
239 u32 instruction_stsch
;
240 u32 instruction_chsc
;
241 u32 instruction_stsi
;
242 u32 instruction_stfl
;
243 u32 instruction_tprot
;
244 u32 instruction_essa
;
245 u32 instruction_sigp_sense
;
246 u32 instruction_sigp_sense_running
;
247 u32 instruction_sigp_external_call
;
248 u32 instruction_sigp_emergency
;
249 u32 instruction_sigp_cond_emergency
;
250 u32 instruction_sigp_start
;
251 u32 instruction_sigp_stop
;
252 u32 instruction_sigp_stop_store_status
;
253 u32 instruction_sigp_store_status
;
254 u32 instruction_sigp_store_adtl_status
;
255 u32 instruction_sigp_arch
;
256 u32 instruction_sigp_prefix
;
257 u32 instruction_sigp_restart
;
258 u32 instruction_sigp_init_cpu_reset
;
259 u32 instruction_sigp_cpu_reset
;
260 u32 instruction_sigp_unknown
;
269 #define PGM_OPERATION 0x01
270 #define PGM_PRIVILEGED_OP 0x02
271 #define PGM_EXECUTE 0x03
272 #define PGM_PROTECTION 0x04
273 #define PGM_ADDRESSING 0x05
274 #define PGM_SPECIFICATION 0x06
275 #define PGM_DATA 0x07
276 #define PGM_FIXED_POINT_OVERFLOW 0x08
277 #define PGM_FIXED_POINT_DIVIDE 0x09
278 #define PGM_DECIMAL_OVERFLOW 0x0a
279 #define PGM_DECIMAL_DIVIDE 0x0b
280 #define PGM_HFP_EXPONENT_OVERFLOW 0x0c
281 #define PGM_HFP_EXPONENT_UNDERFLOW 0x0d
282 #define PGM_HFP_SIGNIFICANCE 0x0e
283 #define PGM_HFP_DIVIDE 0x0f
284 #define PGM_SEGMENT_TRANSLATION 0x10
285 #define PGM_PAGE_TRANSLATION 0x11
286 #define PGM_TRANSLATION_SPEC 0x12
287 #define PGM_SPECIAL_OPERATION 0x13
288 #define PGM_OPERAND 0x15
289 #define PGM_TRACE_TABEL 0x16
290 #define PGM_VECTOR_PROCESSING 0x1b
291 #define PGM_SPACE_SWITCH 0x1c
292 #define PGM_HFP_SQUARE_ROOT 0x1d
293 #define PGM_PC_TRANSLATION_SPEC 0x1f
294 #define PGM_AFX_TRANSLATION 0x20
295 #define PGM_ASX_TRANSLATION 0x21
296 #define PGM_LX_TRANSLATION 0x22
297 #define PGM_EX_TRANSLATION 0x23
298 #define PGM_PRIMARY_AUTHORITY 0x24
299 #define PGM_SECONDARY_AUTHORITY 0x25
300 #define PGM_LFX_TRANSLATION 0x26
301 #define PGM_LSX_TRANSLATION 0x27
302 #define PGM_ALET_SPECIFICATION 0x28
303 #define PGM_ALEN_TRANSLATION 0x29
304 #define PGM_ALE_SEQUENCE 0x2a
305 #define PGM_ASTE_VALIDITY 0x2b
306 #define PGM_ASTE_SEQUENCE 0x2c
307 #define PGM_EXTENDED_AUTHORITY 0x2d
308 #define PGM_LSTE_SEQUENCE 0x2e
309 #define PGM_ASTE_INSTANCE 0x2f
310 #define PGM_STACK_FULL 0x30
311 #define PGM_STACK_EMPTY 0x31
312 #define PGM_STACK_SPECIFICATION 0x32
313 #define PGM_STACK_TYPE 0x33
314 #define PGM_STACK_OPERATION 0x34
315 #define PGM_ASCE_TYPE 0x38
316 #define PGM_REGION_FIRST_TRANS 0x39
317 #define PGM_REGION_SECOND_TRANS 0x3a
318 #define PGM_REGION_THIRD_TRANS 0x3b
319 #define PGM_MONITOR 0x40
321 #define PGM_CRYPTO_OPERATION 0x119
323 /* irq types in order of priority */
325 IRQ_PEND_MCHK_EX
= 0,
329 IRQ_PEND_EXT_IRQ_KEY
,
330 IRQ_PEND_EXT_MALFUNC
,
331 IRQ_PEND_EXT_EMERGENCY
,
332 IRQ_PEND_EXT_EXTERNAL
,
333 IRQ_PEND_EXT_CLOCK_COMP
,
334 IRQ_PEND_EXT_CPU_TIMER
,
336 IRQ_PEND_EXT_SERVICE
,
338 IRQ_PEND_PFAULT_INIT
,
339 IRQ_PEND_PFAULT_DONE
,
355 /* We have 2M for virtio device descriptor pages. Smallest amount of
356 * memory per page is 24 bytes (1 queue), so (2048*1024) / 24 = 87381
358 #define KVM_S390_MAX_VIRTIO_IRQS 87381
361 * Repressible (non-floating) machine check interrupts
362 * subclass bits in MCIC
364 #define MCHK_EXTD_BIT 58
365 #define MCHK_DEGR_BIT 56
366 #define MCHK_WARN_BIT 55
367 #define MCHK_REP_MASK ((1UL << MCHK_DEGR_BIT) | \
368 (1UL << MCHK_EXTD_BIT) | \
369 (1UL << MCHK_WARN_BIT))
371 /* Exigent machine check interrupts subclass bits in MCIC */
372 #define MCHK_SD_BIT 63
373 #define MCHK_PD_BIT 62
374 #define MCHK_EX_MASK ((1UL << MCHK_SD_BIT) | (1UL << MCHK_PD_BIT))
376 #define IRQ_PEND_EXT_MASK ((1UL << IRQ_PEND_EXT_IRQ_KEY) | \
377 (1UL << IRQ_PEND_EXT_CLOCK_COMP) | \
378 (1UL << IRQ_PEND_EXT_CPU_TIMER) | \
379 (1UL << IRQ_PEND_EXT_MALFUNC) | \
380 (1UL << IRQ_PEND_EXT_EMERGENCY) | \
381 (1UL << IRQ_PEND_EXT_EXTERNAL) | \
382 (1UL << IRQ_PEND_EXT_TIMING) | \
383 (1UL << IRQ_PEND_EXT_HOST) | \
384 (1UL << IRQ_PEND_EXT_SERVICE) | \
385 (1UL << IRQ_PEND_VIRTIO) | \
386 (1UL << IRQ_PEND_PFAULT_INIT) | \
387 (1UL << IRQ_PEND_PFAULT_DONE))
389 #define IRQ_PEND_IO_MASK ((1UL << IRQ_PEND_IO_ISC_0) | \
390 (1UL << IRQ_PEND_IO_ISC_1) | \
391 (1UL << IRQ_PEND_IO_ISC_2) | \
392 (1UL << IRQ_PEND_IO_ISC_3) | \
393 (1UL << IRQ_PEND_IO_ISC_4) | \
394 (1UL << IRQ_PEND_IO_ISC_5) | \
395 (1UL << IRQ_PEND_IO_ISC_6) | \
396 (1UL << IRQ_PEND_IO_ISC_7))
398 #define IRQ_PEND_MCHK_MASK ((1UL << IRQ_PEND_MCHK_REP) | \
399 (1UL << IRQ_PEND_MCHK_EX))
401 struct kvm_s390_interrupt_info
{
402 struct list_head list
;
405 struct kvm_s390_io_info io
;
406 struct kvm_s390_ext_info ext
;
407 struct kvm_s390_pgm_info pgm
;
408 struct kvm_s390_emerg_info emerg
;
409 struct kvm_s390_extcall_info extcall
;
410 struct kvm_s390_prefix_info prefix
;
411 struct kvm_s390_stop_info stop
;
412 struct kvm_s390_mchk_info mchk
;
416 struct kvm_s390_irq_payload
{
417 struct kvm_s390_io_info io
;
418 struct kvm_s390_ext_info ext
;
419 struct kvm_s390_pgm_info pgm
;
420 struct kvm_s390_emerg_info emerg
;
421 struct kvm_s390_extcall_info extcall
;
422 struct kvm_s390_prefix_info prefix
;
423 struct kvm_s390_stop_info stop
;
424 struct kvm_s390_mchk_info mchk
;
427 struct kvm_s390_local_interrupt
{
429 struct kvm_s390_float_interrupt
*float_int
;
430 wait_queue_head_t
*wq
;
432 DECLARE_BITMAP(sigp_emerg_pending
, KVM_MAX_VCPUS
);
433 struct kvm_s390_irq_payload irq
;
434 unsigned long pending_irqs
;
437 #define FIRQ_LIST_IO_ISC_0 0
438 #define FIRQ_LIST_IO_ISC_1 1
439 #define FIRQ_LIST_IO_ISC_2 2
440 #define FIRQ_LIST_IO_ISC_3 3
441 #define FIRQ_LIST_IO_ISC_4 4
442 #define FIRQ_LIST_IO_ISC_5 5
443 #define FIRQ_LIST_IO_ISC_6 6
444 #define FIRQ_LIST_IO_ISC_7 7
445 #define FIRQ_LIST_PFAULT 8
446 #define FIRQ_LIST_VIRTIO 9
447 #define FIRQ_LIST_COUNT 10
448 #define FIRQ_CNTR_IO 0
449 #define FIRQ_CNTR_SERVICE 1
450 #define FIRQ_CNTR_VIRTIO 2
451 #define FIRQ_CNTR_PFAULT 3
452 #define FIRQ_MAX_COUNT 4
454 struct kvm_s390_float_interrupt
{
455 unsigned long pending_irqs
;
457 struct list_head lists
[FIRQ_LIST_COUNT
];
458 int counters
[FIRQ_MAX_COUNT
];
459 struct kvm_s390_mchk_info mchk
;
460 struct kvm_s390_ext_info srv_signal
;
462 unsigned long idle_mask
[BITS_TO_LONGS(KVM_MAX_VCPUS
)];
465 struct kvm_hw_wp_info_arch
{
467 unsigned long phys_addr
;
472 struct kvm_hw_bp_info_arch
{
478 * Only the upper 16 bits of kvm_guest_debug->control are arch specific.
479 * Further KVM_GUESTDBG flags which an be used from userspace can be found in
480 * arch/s390/include/uapi/asm/kvm.h
482 #define KVM_GUESTDBG_EXIT_PENDING 0x10000000
484 #define guestdbg_enabled(vcpu) \
485 (vcpu->guest_debug & KVM_GUESTDBG_ENABLE)
486 #define guestdbg_sstep_enabled(vcpu) \
487 (vcpu->guest_debug & KVM_GUESTDBG_SINGLESTEP)
488 #define guestdbg_hw_bp_enabled(vcpu) \
489 (vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP)
490 #define guestdbg_exit_pending(vcpu) (guestdbg_enabled(vcpu) && \
491 (vcpu->guest_debug & KVM_GUESTDBG_EXIT_PENDING))
493 struct kvm_guestdbg_info_arch
{
498 struct kvm_hw_bp_info_arch
*hw_bp_info
;
499 struct kvm_hw_wp_info_arch
*hw_wp_info
;
502 unsigned long last_bp
;
505 struct kvm_vcpu_arch
{
506 struct kvm_s390_sie_block
*sie_block
;
507 unsigned int host_acrs
[NUM_ACRS
];
508 struct fpu host_fpregs
;
509 struct fpu guest_fpregs
;
510 struct kvm_s390_local_interrupt local_int
;
511 struct hrtimer ckc_timer
;
512 struct kvm_s390_pgm_info pgm
;
518 struct kvm_guestdbg_info_arch guestdbg
;
519 unsigned long pfault_token
;
520 unsigned long pfault_select
;
521 unsigned long pfault_compare
;
525 u32 remote_tlb_flush
;
528 struct kvm_arch_memory_slot
{
531 struct s390_map_info
{
532 struct list_head list
;
538 struct s390_io_adapter
{
544 struct rw_semaphore maps_lock
;
545 struct list_head maps
;
549 #define MAX_S390_IO_ADAPTERS ((MAX_ISC + 1) * 8)
550 #define MAX_S390_ADAPTER_MAPS 256
552 /* maximum size of facilities and facility mask is 2k bytes */
553 #define S390_ARCH_FAC_LIST_SIZE_BYTE (1<<11)
554 #define S390_ARCH_FAC_LIST_SIZE_U64 \
555 (S390_ARCH_FAC_LIST_SIZE_BYTE / sizeof(u64))
556 #define S390_ARCH_FAC_MASK_SIZE_BYTE S390_ARCH_FAC_LIST_SIZE_BYTE
557 #define S390_ARCH_FAC_MASK_SIZE_U64 \
558 (S390_ARCH_FAC_MASK_SIZE_BYTE / sizeof(u64))
560 struct kvm_s390_fac
{
561 /* facility list requested by guest */
562 __u64 list
[S390_ARCH_FAC_LIST_SIZE_U64
];
563 /* facility mask supported by kvm & hosting machine */
564 __u64 mask
[S390_ARCH_FAC_LIST_SIZE_U64
];
567 struct kvm_s390_cpu_model
{
568 struct kvm_s390_fac
*fac
;
573 struct kvm_s390_crypto
{
574 struct kvm_s390_crypto_cb
*crycb
;
580 struct kvm_s390_crypto_cb
{
581 __u8 reserved00
[72]; /* 0x0000 */
582 __u8 dea_wrapping_key_mask
[24]; /* 0x0048 */
583 __u8 aes_wrapping_key_mask
[32]; /* 0x0060 */
584 __u8 reserved80
[128]; /* 0x0080 */
588 struct sca_block
*sca
;
590 struct kvm_s390_float_interrupt float_int
;
591 struct kvm_device
*flic
;
596 int user_cpu_state_ctrl
;
599 struct s390_io_adapter
*adapters
[MAX_S390_IO_ADAPTERS
];
600 wait_queue_head_t ipte_wq
;
602 struct mutex ipte_mutex
;
603 spinlock_t start_stop_lock
;
604 struct kvm_s390_cpu_model model
;
605 struct kvm_s390_crypto crypto
;
609 #define KVM_HVA_ERR_BAD (-1UL)
610 #define KVM_HVA_ERR_RO_BAD (-2UL)
612 static inline bool kvm_is_error_hva(unsigned long addr
)
614 return IS_ERR_VALUE(addr
);
617 #define ASYNC_PF_PER_VCPU 64
618 struct kvm_arch_async_pf
{
619 unsigned long pfault_token
;
622 bool kvm_arch_can_inject_async_page_present(struct kvm_vcpu
*vcpu
);
624 void kvm_arch_async_page_ready(struct kvm_vcpu
*vcpu
,
625 struct kvm_async_pf
*work
);
627 void kvm_arch_async_page_not_present(struct kvm_vcpu
*vcpu
,
628 struct kvm_async_pf
*work
);
630 void kvm_arch_async_page_present(struct kvm_vcpu
*vcpu
,
631 struct kvm_async_pf
*work
);
633 extern int sie64a(struct kvm_s390_sie_block
*, u64
*);
634 extern char sie_exit
;
636 static inline void kvm_arch_hardware_disable(void) {}
637 static inline void kvm_arch_check_processor_compat(void *rtn
) {}
638 static inline void kvm_arch_sync_events(struct kvm
*kvm
) {}
639 static inline void kvm_arch_vcpu_uninit(struct kvm_vcpu
*vcpu
) {}
640 static inline void kvm_arch_sched_in(struct kvm_vcpu
*vcpu
, int cpu
) {}
641 static inline void kvm_arch_free_memslot(struct kvm
*kvm
,
642 struct kvm_memory_slot
*free
, struct kvm_memory_slot
*dont
) {}
643 static inline void kvm_arch_memslots_updated(struct kvm
*kvm
, struct kvm_memslots
*slots
) {}
644 static inline void kvm_arch_flush_shadow_all(struct kvm
*kvm
) {}
645 static inline void kvm_arch_flush_shadow_memslot(struct kvm
*kvm
,
646 struct kvm_memory_slot
*slot
) {}