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Name	Size	Permission
amba	[ DIR ]	drwxr-xr-x
atomic	[ DIR ]	drwxr-xr-x
avf	[ DIR ]	drwxr-xr-x
bcma	[ DIR ]	drwxr-xr-x
byteorder	[ DIR ]	drwxr-xr-x
can	[ DIR ]	drwxr-xr-x
ceph	[ DIR ]	drwxr-xr-x
clk	[ DIR ]	drwxr-xr-x
crush	[ DIR ]	drwxr-xr-x
decompress	[ DIR ]	drwxr-xr-x
device	[ DIR ]	drwxr-xr-x
dma	[ DIR ]	drwxr-xr-x
dsa	[ DIR ]	drwxr-xr-x
extcon	[ DIR ]	drwxr-xr-x
firmware	[ DIR ]	drwxr-xr-x
fpga	[ DIR ]	drwxr-xr-x
fsl	[ DIR ]	drwxr-xr-x
gpio	[ DIR ]	drwxr-xr-x
greybus	[ DIR ]	drwxr-xr-x
hsi	[ DIR ]	drwxr-xr-x
i3c	[ DIR ]	drwxr-xr-x
iio	[ DIR ]	drwxr-xr-x
input	[ DIR ]	drwxr-xr-x
irqchip	[ DIR ]	drwxr-xr-x
isdn	[ DIR ]	drwxr-xr-x
lockd	[ DIR ]	drwxr-xr-x
mailbox	[ DIR ]	drwxr-xr-x
mdio	[ DIR ]	drwxr-xr-x
mfd	[ DIR ]	drwxr-xr-x
mlx4	[ DIR ]	drwxr-xr-x
mlx5	[ DIR ]	drwxr-xr-x
mmc	[ DIR ]	drwxr-xr-x
mtd	[ DIR ]	drwxr-xr-x
mux	[ DIR ]	drwxr-xr-x
net	[ DIR ]	drwxr-xr-x
netfilter	[ DIR ]	drwxr-xr-x
netfilter_arp	[ DIR ]	drwxr-xr-x
netfilter_bridge	[ DIR ]	drwxr-xr-x
netfilter_ipv4	[ DIR ]	drwxr-xr-x
netfilter_ipv6	[ DIR ]	drwxr-xr-x
pcs	[ DIR ]	drwxr-xr-x
perf	[ DIR ]	drwxr-xr-x
phy	[ DIR ]	drwxr-xr-x
pinctrl	[ DIR ]	drwxr-xr-x
platform_data	[ DIR ]	drwxr-xr-x
power	[ DIR ]	drwxr-xr-x
qed	[ DIR ]	drwxr-xr-x
raid	[ DIR ]	drwxr-xr-x
regulator	[ DIR ]	drwxr-xr-x
remoteproc	[ DIR ]	drwxr-xr-x
reset	[ DIR ]	drwxr-xr-x
rpmsg	[ DIR ]	drwxr-xr-x
rtc	[ DIR ]	drwxr-xr-x
sched	[ DIR ]	drwxr-xr-x
soc	[ DIR ]	drwxr-xr-x
soundwire	[ DIR ]	drwxr-xr-x
spi	[ DIR ]	drwxr-xr-x
ssb	[ DIR ]	drwxr-xr-x
sunrpc	[ DIR ]	drwxr-xr-x
surface_aggregator	[ DIR ]	drwxr-xr-x
ulpi	[ DIR ]	drwxr-xr-x
unaligned	[ DIR ]	drwxr-xr-x
usb	[ DIR ]	drwxr-xr-x
8250_pci.h	1.01 KB	-rw-r--r--
a.out.h	354 B	-rw-r--r--
acct.h	2.49 KB	-rw-r--r--
acpi.h	39.5 KB	-rw-r--r--
acpi_dma.h	3.08 KB	-rw-r--r--
acpi_iort.h	2.27 KB	-rw-r--r--
acpi_mdio.h	631 B	-rw-r--r--
acpi_pmtmr.h	674 B	-rw-r--r--
acpi_viot.h	389 B	-rw-r--r--
adb.h	1.79 KB	-rw-r--r--
adfs_fs.h	574 B	-rw-r--r--
adreno-smmu-priv.h	2.74 KB	-rw-r--r--
adxl.h	310 B	-rw-r--r--
aer.h	1.78 KB	-rw-r--r--
agp_backend.h	3.45 KB	-rw-r--r--
agpgart.h	3.79 KB	-rw-r--r--
ahci-remap.h	607 B	-rw-r--r--
ahci_platform.h	1.54 KB	-rw-r--r--
aio.h	651 B	-rw-r--r--
alarmtimer.h	1.94 KB	-rw-r--r--
alcor_pci.h	8.83 KB	-rw-r--r--
align.h	552 B	-rw-r--r--
altera_jtaguart.h	379 B	-rw-r--r--
altera_uart.h	397 B	-rw-r--r--
amd-iommu.h	6.18 KB	-rw-r--r--
anon_inodes.h	670 B	-rw-r--r--
apm-emulation.h	1.56 KB	-rw-r--r--
apm_bios.h	2.25 KB	-rw-r--r--
apple-gmux.h	918 B	-rw-r--r--
apple_bl.h	498 B	-rw-r--r--
arch_topology.h	2.49 KB	-rw-r--r--
arm-cci.h	1.36 KB	-rw-r--r--
arm-smccc.h	17.7 KB	-rw-r--r--
arm_ffa.h	7.36 KB	-rw-r--r--
arm_sdei.h	2.51 KB	-rw-r--r--
armada-37xx-rwtm-mailbox.h	431 B	-rw-r--r--
ascii85.h	555 B	-rw-r--r--
asn1.h	1.79 KB	-rw-r--r--
asn1_ber_bytecode.h	2.52 KB	-rw-r--r--
asn1_decoder.h	468 B	-rw-r--r--
asn1_encoder.h	1006 B	-rw-r--r--
assoc_array.h	2.88 KB	-rw-r--r--
assoc_array_priv.h	5.3 KB	-rw-r--r--
async.h	4.26 KB	-rw-r--r--
async_tx.h	6.7 KB	-rw-r--r--
ata.h	32.52 KB	-rw-r--r--
ata_platform.h	749 B	-rw-r--r--
atalk.h	4.48 KB	-rw-r--r--
ath9k_platform.h	1.44 KB	-rw-r--r--
atm.h	287 B	-rw-r--r--
atm_tcp.h	511 B	-rw-r--r--
atmdev.h	9.99 KB	-rw-r--r--
atmel-isc-media.h	2.07 KB	-rw-r--r--
atmel-mci.h	1.4 KB	-rw-r--r--
atmel-ssc.h	9.74 KB	-rw-r--r--
atmel_pdc.h	1.26 KB	-rw-r--r--
atomic.h	2.58 KB	-rw-r--r--
attribute_container.h	2.74 KB	-rw-r--r--
audit.h	19.45 KB	-rw-r--r--
auto_dev-ioctl.h	296 B	-rw-r--r--
auto_fs.h	278 B	-rw-r--r--
auxiliary_bus.h	2.48 KB	-rw-r--r--
auxvec.h	304 B	-rw-r--r--
average.h	2.42 KB	-rw-r--r--
backing-dev-defs.h	8.55 KB	-rw-r--r--
backing-dev.h	11.81 KB	-rw-r--r--
backlight.h	13.13 KB	-rw-r--r--
badblocks.h	2.14 KB	-rw-r--r--
balloon_compaction.h	6.59 KB	-rw-r--r--
bcd.h	559 B	-rw-r--r--
bch.h	2.1 KB	-rw-r--r--
bcm47xx_nvram.h	1.01 KB	-rw-r--r--
bcm47xx_sprom.h	616 B	-rw-r--r--
bcm47xx_wdt.h	555 B	-rw-r--r--
bcm963xx_nvram.h	2.96 KB	-rw-r--r--
bcm963xx_tag.h	3.6 KB	-rw-r--r--
binfmts.h	4.48 KB	-rw-r--r--
bio.h	19.64 KB	-rw-r--r--
bit_spinlock.h	2.3 KB	-rw-r--r--
bitfield.h	4.75 KB	-rw-r--r--
bitmap.h	21.62 KB	-rw-r--r--
bitops.h	8.53 KB	-rw-r--r--
bitrev.h	2.53 KB	-rw-r--r--
bits.h	1.35 KB	-rw-r--r--
blk-cgroup.h	21.4 KB	-rw-r--r--
blk-crypto.h	4.02 KB	-rw-r--r--
blk-mq-pci.h	269 B	-rw-r--r--
blk-mq-rdma.h	273 B	-rw-r--r--
blk-mq-virtio.h	293 B	-rw-r--r--
blk-mq.h	19.37 KB	-rw-r--r--
blk-pm.h	708 B	-rw-r--r--
blk_types.h	15.42 KB	-rw-r--r--
blkdev.h	56.35 KB	-rw-r--r--
blkpg.h	436 B	-rw-r--r--
blktrace_api.h	3.77 KB	-rw-r--r--
blockgroup_lock.h	810 B	-rw-r--r--
bma150.h	1.26 KB	-rw-r--r--
bootconfig.h	8.51 KB	-rw-r--r--
bootmem_info.h	1.61 KB	-rw-r--r--
bottom_half.h	974 B	-rw-r--r--
bpf-cgroup.h	18.52 KB	-rw-r--r--
bpf-netns.h	1.52 KB	-rw-r--r--
bpf.h	69.46 KB	-rw-r--r--
bpf_lirc.h	698 B	-rw-r--r--
bpf_local_storage.h	5.23 KB	-rw-r--r--
bpf_lsm.h	1.42 KB	-rw-r--r--
bpf_trace.h	166 B	-rw-r--r--
bpf_types.h	5.41 KB	-rw-r--r--
bpf_verifier.h	18.45 KB	-rw-r--r--
bpfilter.h	791 B	-rw-r--r--
bpfptr.h	1.83 KB	-rw-r--r--
brcmphy.h	13.67 KB	-rw-r--r--
bsearch.h	624 B	-rw-r--r--
bsg-lib.h	1.72 KB	-rw-r--r--
bsg.h	492 B	-rw-r--r--
btf.h	7.26 KB	-rw-r--r--
btf_ids.h	5.32 KB	-rw-r--r--
btree-128.h	2.67 KB	-rw-r--r--
btree-type.h	3.9 KB	-rw-r--r--
btree.h	6.84 KB	-rw-r--r--
btrfs.h	145 B	-rw-r--r--
buffer_head.h	13.54 KB	-rw-r--r--
bug.h	2.17 KB	-rw-r--r--
build-salt.h	375 B	-rw-r--r--
build_bug.h	2.76 KB	-rw-r--r--
buildid.h	561 B	-rw-r--r--
bvec.h	6.17 KB	-rw-r--r--
c2port.h	1.35 KB	-rw-r--r--
cache.h	2.55 KB	-rw-r--r--
cacheinfo.h	3.75 KB	-rw-r--r--
capability.h	8.29 KB	-rw-r--r--
cb710.h	5.36 KB	-rw-r--r--
cc_platform.h	2.32 KB	-rw-r--r--
cciss_ioctl.h	1.03 KB	-rw-r--r--
ccp.h	18.14 KB	-rw-r--r--
cdev.h	845 B	-rw-r--r--
cdrom.h	8.98 KB	-rw-r--r--
cfag12864b.h	1.47 KB	-rw-r--r--
cfi.h	1.13 KB	-rw-r--r--
cgroup-defs.h	24.1 KB	-rw-r--r--
cgroup.h	28.19 KB	-rw-r--r--
cgroup_rdma.h	1.18 KB	-rw-r--r--
cgroup_subsys.h	1.23 KB	-rw-r--r--
circ_buf.h	1.09 KB	-rw-r--r--
cleancache.h	3.89 KB	-rw-r--r--
clk-provider.h	56.38 KB	-rw-r--r--
clk.h	29.59 KB	-rw-r--r--
clkdev.h	1.29 KB	-rw-r--r--
clockchips.h	7.27 KB	-rw-r--r--
clocksource.h	9.57 KB	-rw-r--r--
clocksource_ids.h	247 B	-rw-r--r--
cm4000_cs.h	199 B	-rw-r--r--
cma.h	1.59 KB	-rw-r--r--
cn_proc.h	1.85 KB	-rw-r--r--
cnt32_to_63.h	3.46 KB	-rw-r--r--
coda.h	2.16 KB	-rw-r--r--
compaction.h	7.15 KB	-rw-r--r--
compat.h	31.35 KB	-rw-r--r--
compiler-clang.h	2.27 KB	-rw-r--r--
compiler-gcc.h	4.44 KB	-rw-r--r--
compiler-intel.h	949 B	-rw-r--r--
compiler-version.h	517 B	-rw-r--r--
compiler.h	7.78 KB	-rw-r--r--
compiler_attributes.h	12.15 KB	-rw-r--r--
compiler_types.h	10.46 KB	-rw-r--r--
completion.h	4 KB	-rw-r--r--
component.h	4.07 KB	-rw-r--r--
configfs.h	8.48 KB	-rw-r--r--
connector.h	3.83 KB	-rw-r--r--
console.h	7.28 KB	-rw-r--r--
console_struct.h	7.08 KB	-rw-r--r--
consolemap.h	1.05 KB	-rw-r--r--
const.h	421 B	-rw-r--r--
container.h	610 B	-rw-r--r--
context_tracking.h	3.28 KB	-rw-r--r--
context_tracking_state.h	1.58 KB	-rw-r--r--
cookie.h	1.22 KB	-rw-r--r--
cordic.h	2.08 KB	-rw-r--r--
coredump.h	1.23 KB	-rw-r--r--
coresight-pmu.h	1.32 KB	-rw-r--r--
coresight-stm.h	152 B	-rw-r--r--
coresight.h	17.81 KB	-rw-r--r--
count_zeros.h	1.42 KB	-rw-r--r--
counter.h	15.13 KB	-rw-r--r--
counter_enum.h	1.43 KB	-rw-r--r--
cper.h	16.41 KB	-rw-r--r--
cpu.h	7.31 KB	-rw-r--r--
cpu_cooling.h	1.86 KB	-rw-r--r--
cpu_pm.h	2.38 KB	-rw-r--r--
cpu_rmap.h	1.68 KB	-rw-r--r--
cpufeature.h	1.71 KB	-rw-r--r--
cpufreq.h	32.57 KB	-rw-r--r--
cpuhotplug.h	16.47 KB	-rw-r--r--
cpuidle.h	10.27 KB	-rw-r--r--
cpuidle_haltpoll.h	312 B	-rw-r--r--
cpumask.h	28.61 KB	-rw-r--r--
cpuset.h	7.34 KB	-rw-r--r--
crash_core.h	3.38 KB	-rw-r--r--
crash_dump.h	4.05 KB	-rw-r--r--
crc-ccitt.h	609 B	-rw-r--r--
crc-itu-t.h	531 B	-rw-r--r--
crc-t10dif.h	453 B	-rw-r--r--
crc16.h	540 B	-rw-r--r--
crc32.h	2.83 KB	-rw-r--r--
crc32c.h	331 B	-rw-r--r--
crc32poly.h	610 B	-rw-r--r--
crc4.h	192 B	-rw-r--r--
crc64.h	280 B	-rw-r--r--
crc7.h	316 B	-rw-r--r--
crc8.h	3.66 KB	-rw-r--r--
cred.h	12.48 KB	-rw-r--r--
crypto.h	27.08 KB	-rw-r--r--
cs5535.h	6.13 KB	-rw-r--r--
ctype.h	1.87 KB	-rw-r--r--
cuda.h	613 B	-rw-r--r--
damon.h	10.35 KB	-rw-r--r--
dasd_mod.h	204 B	-rw-r--r--
davinci_emac.h	1.05 KB	-rw-r--r--
dax.h	6.56 KB	-rw-r--r--
dca.h	1.88 KB	-rw-r--r--
dcache.h	18.63 KB	-rw-r--r--
dccp.h	10.73 KB	-rw-r--r--
debug_locks.h	1.59 KB	-rw-r--r--
debugfs.h	11.22 KB	-rw-r--r--
debugobjects.h	3.99 KB	-rw-r--r--
delay.h	2.43 KB	-rw-r--r--
delayacct.h	5.45 KB	-rw-r--r--
delayed_call.h	709 B	-rw-r--r--
dev_printk.h	9.05 KB	-rw-r--r--
devcoredump.h	2.21 KB	-rw-r--r--
devfreq-event.h	5.95 KB	-rw-r--r--
devfreq.h	13.98 KB	-rw-r--r--
devfreq_cooling.h	2.7 KB	-rw-r--r--
device-mapper.h	18.92 KB	-rw-r--r--
device.h	32.89 KB	-rw-r--r--
device_cgroup.h	1.57 KB	-rw-r--r--
devm-helpers.h	2.68 KB	-rw-r--r--
devpts_fs.h	1.13 KB	-rw-r--r--
dfl.h	2.38 KB	-rw-r--r--
digsig.h	1.18 KB	-rw-r--r--
dim.h	9.13 KB	-rw-r--r--
dio.h	10.76 KB	-rw-r--r--
dirent.h	215 B	-rw-r--r--
dlm.h	5.86 KB	-rw-r--r--
dlm_plock.h	532 B	-rw-r--r--
dm-bufio.h	4.88 KB	-rw-r--r--
dm-dirty-log.h	3.94 KB	-rw-r--r--
dm-io.h	1.93 KB	-rw-r--r--
dm-kcopyd.h	2.94 KB	-rw-r--r--
dm-region-hash.h	3.11 KB	-rw-r--r--
dm9000.h	987 B	-rw-r--r--
dma-buf-map.h	8.12 KB	-rw-r--r--
dma-buf.h	20.47 KB	-rw-r--r--
dma-direct.h	3.59 KB	-rw-r--r--
dma-direction.h	407 B	-rw-r--r--
dma-fence-array.h	2.14 KB	-rw-r--r--
dma-fence-chain.h	3.07 KB	-rw-r--r--
dma-fence.h	20.25 KB	-rw-r--r--
dma-heap.h	1.58 KB	-rw-r--r--
dma-iommu.h	2.21 KB	-rw-r--r--
dma-map-ops.h	12.73 KB	-rw-r--r--
dma-mapping.h	19.81 KB	-rw-r--r--
dma-resv.h	9.05 KB	-rw-r--r--
dmaengine.h	53.53 KB	-rw-r--r--
dmapool.h	1.79 KB	-rw-r--r--
dmar.h	7.74 KB	-rw-r--r--
dmi.h	4.27 KB	-rw-r--r--
dnotify.h	1.02 KB	-rw-r--r--
dns_resolver.h	1.36 KB	-rw-r--r--
dqblk_qtree.h	2.19 KB	-rw-r--r--
dqblk_v1.h	327 B	-rw-r--r--
dqblk_v2.h	406 B	-rw-r--r--
drbd.h	10.07 KB	-rw-r--r--
drbd_genl.h	21.49 KB	-rw-r--r--
drbd_genl_api.h	1.77 KB	-rw-r--r--
drbd_limits.h	7.82 KB	-rw-r--r--
ds2782_battery.h	158 B	-rw-r--r--
dtlk.h	3.5 KB	-rw-r--r--
dtpm.h	1.64 KB	-rw-r--r--
dw_apb_timer.h	1.53 KB	-rw-r--r--
dynamic_debug.h	6.6 KB	-rw-r--r--
dynamic_queue_limits.h	3.72 KB	-rw-r--r--
earlycpio.h	359 B	-rw-r--r--
ecryptfs.h	3.82 KB	-rw-r--r--
edac.h	19.46 KB	-rw-r--r--
edd.h	1.05 KB	-rw-r--r--
eeprom_93cx6.h	2.31 KB	-rw-r--r--
eeprom_93xx46.h	1.04 KB	-rw-r--r--
efi-bgrt.h	644 B	-rw-r--r--
efi.h	42.25 KB	-rw-r--r--
efi_embedded_fw.h	1.04 KB	-rw-r--r--
efs_vh.h	1.55 KB	-rw-r--r--
eisa.h	2.96 KB	-rw-r--r--
elevator.h	5.52 KB	-rw-r--r--
elf-fdpic.h	1.98 KB	-rw-r--r--
elf-randomize.h	583 B	-rw-r--r--
elf.h	2.96 KB	-rw-r--r--
elfcore-compat.h	1.27 KB	-rw-r--r--
elfcore.h	4.11 KB	-rw-r--r--
elfnote-lto.h	314 B	-rw-r--r--
elfnote.h	3.54 KB	-rw-r--r--
enclosure.h	4.02 KB	-rw-r--r--
energy_model.h	8.17 KB	-rw-r--r--
entry-common.h	16.95 KB	-rw-r--r--
entry-kvm.h	2.75 KB	-rw-r--r--
err.h	1.49 KB	-rw-r--r--
errname.h	283 B	-rw-r--r--
errno.h	1.45 KB	-rw-r--r--
error-injection.h	607 B	-rw-r--r--
errqueue.h	524 B	-rw-r--r--
errseq.h	382 B	-rw-r--r--
etherdevice.h	16.41 KB	-rw-r--r--
ethtool.h	31.72 KB	-rw-r--r--
ethtool_netlink.h	1.98 KB	-rw-r--r--
eventfd.h	2.1 KB	-rw-r--r--
eventpoll.h	2.4 KB	-rw-r--r--
evm.h	3.42 KB	-rw-r--r--
export.h	5.24 KB	-rw-r--r--
exportfs.h	8.25 KB	-rw-r--r--
ext2_fs.h	967 B	-rw-r--r--
extable.h	1.28 KB	-rw-r--r--
extcon-provider.h	3.83 KB	-rw-r--r--
extcon.h	10.17 KB	-rw-r--r--
f2fs_fs.h	19 KB	-rw-r--r--
f75375s.h	541 B	-rw-r--r--
falloc.h	1.59 KB	-rw-r--r--
fanotify.h	3.85 KB	-rw-r--r--
fault-inject-usercopy.h	496 B	-rw-r--r--
fault-inject.h	1.93 KB	-rw-r--r--
fb.h	27.83 KB	-rw-r--r--
fbcon.h	1.88 KB	-rw-r--r--
fcdevice.h	774 B	-rw-r--r--
fcntl.h	1.66 KB	-rw-r--r--
fd.h	490 B	-rw-r--r--
fddidevice.h	833 B	-rw-r--r--
fdtable.h	3.58 KB	-rw-r--r--
fec.h	463 B	-rw-r--r--
fiemap.h	713 B	-rw-r--r--
file.h	2.89 KB	-rw-r--r--
fileattr.h	1.91 KB	-rw-r--r--
filter.h	42.08 KB	-rw-r--r--
fips.h	303 B	-rw-r--r--
firewire.h	13.4 KB	-rw-r--r--
firmware-map.h	959 B	-rw-r--r--
firmware.h	3.27 KB	-rw-r--r--
fixp-arith.h	4.19 KB	-rw-r--r--
flat.h	2.57 KB	-rw-r--r--
flex_proportions.h	2.81 KB	-rw-r--r--
font.h	1.67 KB	-rw-r--r--
fortify-string.h	9.11 KB	-rw-r--r--
freelist.h	3.8 KB	-rw-r--r--
freezer.h	8.98 KB	-rw-r--r--
frontswap.h	3.04 KB	-rw-r--r--
fs.h	120.45 KB	-rw-r--r--
fs_context.h	8.68 KB	-rw-r--r--
fs_enet_pd.h	3.38 KB	-rw-r--r--
fs_parser.h	4.44 KB	-rw-r--r--
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fs_stack.h	811 B	-rw-r--r--
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fsnotify.h	8.85 KB	-rw-r--r--
fsnotify_backend.h	22.93 KB	-rw-r--r--
fsverity.h	6.75 KB	-rw-r--r--
ftrace.h	34.75 KB	-rw-r--r--
ftrace_irq.h	884 B	-rw-r--r--
futex.h	2.44 KB	-rw-r--r--
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fwnode_mdio.h	858 B	-rw-r--r--
gameport.h	5.42 KB	-rw-r--r--
gcd.h	193 B	-rw-r--r--
genalloc.h	7.68 KB	-rw-r--r--
generic-radix-tree.h	6.35 KB	-rw-r--r--
genetlink.h	589 B	-rw-r--r--
genhd.h	9.23 KB	-rw-r--r--
genl_magic_func.h	11.53 KB	-rw-r--r--
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getcpu.h	641 B	-rw-r--r--
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glob.h	256 B	-rw-r--r--
gnss.h	1.56 KB	-rw-r--r--
goldfish.h	762 B	-rw-r--r--
gpio-pxa.h	571 B	-rw-r--r--
gpio.h	5.3 KB	-rw-r--r--
gpio_keys.h	1.74 KB	-rw-r--r--
greybus.h	4.14 KB	-rw-r--r--
hardirq.h	3.43 KB	-rw-r--r--
hash.h	3 KB	-rw-r--r--
hashtable.h	6.67 KB	-rw-r--r--
hdlc.h	3.19 KB	-rw-r--r--
hdlcdrv.h	6.32 KB	-rw-r--r--
hdmi.h	12.41 KB	-rw-r--r--
hid-debug.h	1.42 KB	-rw-r--r--
hid-roccat.h	484 B	-rw-r--r--
hid-sensor-hub.h	8.97 KB	-rw-r--r--
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hid.h	37.67 KB	-rw-r--r--
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hiddev.h	1.42 KB	-rw-r--r--
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highmem-internal.h	5.06 KB	-rw-r--r--
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highuid.h	3.12 KB	-rw-r--r--
hil.h	18.42 KB	-rw-r--r--
hil_mlc.h	5.13 KB	-rw-r--r--
hippidevice.h	1.03 KB	-rw-r--r--
hmm.h	4.07 KB	-rw-r--r--
host1x.h	10.74 KB	-rw-r--r--
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hpet.h	2.55 KB	-rw-r--r--
hrtimer.h	16.01 KB	-rw-r--r--
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htcpld.h	617 B	-rw-r--r--
huge_mm.h	13.27 KB	-rw-r--r--
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hugetlb_cgroup.h	7.07 KB	-rw-r--r--
hugetlb_inline.h	374 B	-rw-r--r--
hw_breakpoint.h	4.15 KB	-rw-r--r--
hw_random.h	2.24 KB	-rw-r--r--
hwmon-sysfs.h	2.77 KB	-rw-r--r--
hwmon-vid.h	862 B	-rw-r--r--
hwmon.h	14.78 KB	-rw-r--r--
hwspinlock.h	15.64 KB	-rw-r--r--
hyperv.h	47.93 KB	-rw-r--r--
hypervisor.h	608 B	-rw-r--r--
i2c-algo-bit.h	1.4 KB	-rw-r--r--
i2c-algo-pca.h	2.89 KB	-rw-r--r--
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i2c-dev.h	371 B	-rw-r--r--
i2c-mux.h	1.63 KB	-rw-r--r--
i2c-smbus.h	1.73 KB	-rw-r--r--
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i8042.h	1.99 KB	-rw-r--r--
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icmp.h	1 KB	-rw-r--r--
icmpv6.h	2.7 KB	-rw-r--r--
idle_inject.h	932 B	-rw-r--r--
idr.h	9.58 KB	-rw-r--r--
ieee80211.h	123.96 KB	-rw-r--r--
ieee802154.h	11.12 KB	-rw-r--r--
if_arp.h	1.63 KB	-rw-r--r--
if_bridge.h	4.9 KB	-rw-r--r--
if_eql.h	1.07 KB	-rw-r--r--
if_ether.h	1.26 KB	-rw-r--r--
if_fddi.h	3.24 KB	-rw-r--r--
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if_link.h	592 B	-rw-r--r--
if_ltalk.h	188 B	-rw-r--r--
if_macvlan.h	2.69 KB	-rw-r--r--
if_phonet.h	319 B	-rw-r--r--
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if_pppox.h	2.84 KB	-rw-r--r--
if_rmnet.h	2.04 KB	-rw-r--r--
if_tap.h	2.21 KB	-rw-r--r--
if_team.h	7.84 KB	-rw-r--r--
if_tun.h	1.55 KB	-rw-r--r--
if_tunnel.h	409 B	-rw-r--r--
if_vlan.h	20.37 KB	-rw-r--r--
igmp.h	4.33 KB	-rw-r--r--
ihex.h	2.15 KB	-rw-r--r--
ima.h	5.7 KB	-rw-r--r--
imx-media.h	605 B	-rw-r--r--
in.h	2.29 KB	-rw-r--r--
in6.h	1.63 KB	-rw-r--r--
indirect_call_wrapper.h	2.23 KB	-rw-r--r--
inet.h	2.64 KB	-rw-r--r--
inet_diag.h	2.74 KB	-rw-r--r--
inetdevice.h	8.87 KB	-rw-r--r--
init.h	11.39 KB	-rw-r--r--
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init_syscalls.h	1.01 KB	-rw-r--r--
init_task.h	1.3 KB	-rw-r--r--
initrd.h	1.02 KB	-rw-r--r--
inotify.h	713 B	-rw-r--r--
input.h	19.88 KB	-rw-r--r--
instrumentation.h	1.93 KB	-rw-r--r--
instrumented.h	3.6 KB	-rw-r--r--
integrity.h	1.15 KB	-rw-r--r--
intel-iommu.h	27.48 KB	-rw-r--r--
intel-ish-client-if.h	3.97 KB	-rw-r--r--
intel-svm.h	1.54 KB	-rw-r--r--
intel_rapl.h	4.14 KB	-rw-r--r--
intel_th.h	2.44 KB	-rw-r--r--
interconnect-provider.h	5.51 KB	-rw-r--r--
interconnect.h	2.88 KB	-rw-r--r--
interrupt.h	23.81 KB	-rw-r--r--
interval_tree.h	831 B	-rw-r--r--
interval_tree_generic.h	6.7 KB	-rw-r--r--
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io-mapping.h	4.65 KB	-rw-r--r--
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io.h	5.02 KB	-rw-r--r--
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ioam6_genl.h	266 B	-rw-r--r--
ioam6_iptunnel.h	285 B	-rw-r--r--
ioasid.h	2.07 KB	-rw-r--r--
iocontext.h	4.59 KB	-rw-r--r--
iomap.h	11.67 KB	-rw-r--r--
iommu-helper.h	1.12 KB	-rw-r--r--
iommu.h	34.04 KB	-rw-r--r--
iopoll.h	7.58 KB	-rw-r--r--
ioport.h	12.16 KB	-rw-r--r--
ioprio.h	1.74 KB	-rw-r--r--
iova.h	6.15 KB	-rw-r--r--
ip.h	1 KB	-rw-r--r--
ipack.h	8.69 KB	-rw-r--r--
ipc.h	613 B	-rw-r--r--
ipc_namespace.h	4.98 KB	-rw-r--r--
ipmi.h	10.88 KB	-rw-r--r--
ipmi_smi.h	7.98 KB	-rw-r--r--
ipv6.h	8.67 KB	-rw-r--r--
ipv6_route.h	372 B	-rw-r--r--
irq.h	41.58 KB	-rw-r--r--
irq_poll.h	575 B	-rw-r--r--
irq_sim.h	789 B	-rw-r--r--
irq_work.h	1.79 KB	-rw-r--r--
irqbypass.h	3.45 KB	-rw-r--r--
irqchip.h	2.33 KB	-rw-r--r--
irqdesc.h	7.75 KB	-rw-r--r--
irqdomain.h	19.98 KB	-rw-r--r--
irqflags.h	7.7 KB	-rw-r--r--
irqhandler.h	300 B	-rw-r--r--
irqnr.h	856 B	-rw-r--r--
irqreturn.h	503 B	-rw-r--r--
isa.h	2.12 KB	-rw-r--r--
isapnp.h	2.88 KB	-rw-r--r--
iscsi_boot_sysfs.h	3.71 KB	-rw-r--r--
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iversion.h	12.37 KB	-rw-r--r--
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journal-head.h	2.91 KB	-rw-r--r--
joystick.h	437 B	-rw-r--r--
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jump_label_ratelimit.h	2.77 KB	-rw-r--r--
jz4740-adc.h	1023 B	-rw-r--r--
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kallsyms.h	4.5 KB	-rw-r--r--
kasan-checks.h	1.46 KB	-rw-r--r--
kasan-tags.h	487 B	-rw-r--r--
kasan.h	13.31 KB	-rw-r--r--
kbd_diacr.h	198 B	-rw-r--r--
kbd_kern.h	3.6 KB	-rw-r--r--
kbuild.h	380 B	-rw-r--r--
kconfig.h	2.63 KB	-rw-r--r--
kcore.h	891 B	-rw-r--r--
kcov.h	2.41 KB	-rw-r--r--
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kdev_t.h	1.8 KB	-rw-r--r--
kern_levels.h	1.57 KB	-rw-r--r--
kernel-page-flags.h	528 B	-rw-r--r--
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kernel_read_file.h	1.64 KB	-rw-r--r--
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kernelcapi.h	1.45 KB	-rw-r--r--
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kexec.h	11.37 KB	-rw-r--r--
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key.h	15.75 KB	-rw-r--r--
keyboard.h	665 B	-rw-r--r--
keyctl.h	1.25 KB	-rw-r--r--
keyslot-manager.h	3.78 KB	-rw-r--r--
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kfifo.h	26.18 KB	-rw-r--r--
kgdb.h	12.05 KB	-rw-r--r--
khugepaged.h	2.74 KB	-rw-r--r--
klist.h	1.88 KB	-rw-r--r--
kmemleak.h	3.27 KB	-rw-r--r--
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ksm.h	2.47 KB	-rw-r--r--
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ktime.h	5.38 KB	-rw-r--r--
kvm_dirty_ring.h	2.73 KB	-rw-r--r--
kvm_host.h	58.09 KB	-rw-r--r--
kvm_irqfd.h	2 KB	-rw-r--r--
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l2tp.h	261 B	-rw-r--r--
lantiq.h	365 B	-rw-r--r--
lapb.h	1.71 KB	-rw-r--r--
latencytop.h	1.16 KB	-rw-r--r--
lcd.h	3.78 KB	-rw-r--r--
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led-class-flash.h	6.74 KB	-rw-r--r--
led-class-multicolor.h	3.26 KB	-rw-r--r--
led-lm3530.h	3.7 KB	-rw-r--r--
leds-bd2802.h	476 B	-rw-r--r--
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leds-pca9532.h	866 B	-rw-r--r--
leds-regulator.h	1.14 KB	-rw-r--r--
leds-ti-lmu-common.h	1.12 KB	-rw-r--r--
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libata.h	66.97 KB	-rw-r--r--
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libgcc.h	463 B	-rw-r--r--
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libps2.h	1.89 KB	-rw-r--r--
license.h	418 B	-rw-r--r--
limits.h	715 B	-rw-r--r--
linear_range.h	1.72 KB	-rw-r--r--
linkage.h	9.57 KB	-rw-r--r--
linkmode.h	2.5 KB	-rw-r--r--
linux_logo.h	1.91 KB	-rw-r--r--
lis3lv02d.h	5 KB	-rw-r--r--
list.h	29.78 KB	-rw-r--r--
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litex.h	2.06 KB	-rw-r--r--
livepatch.h	8.22 KB	-rw-r--r--
llc.h	749 B	-rw-r--r--
llist.h	9.06 KB	-rw-r--r--
local_lock.h	1.33 KB	-rw-r--r--
local_lock_internal.h	3.42 KB	-rw-r--r--
lockdep.h	21.34 KB	-rw-r--r--
lockdep_types.h	5.18 KB	-rw-r--r--
lockref.h	1.5 KB	-rw-r--r--
log2.h	6.22 KB	-rw-r--r--
logic_iomem.h	2.07 KB	-rw-r--r--
logic_pio.h	3.23 KB	-rw-r--r--
lp.h	2.76 KB	-rw-r--r--
lru_cache.h	11.83 KB	-rw-r--r--
lsm_audit.h	2.81 KB	-rw-r--r--
lsm_hook_defs.h	20.89 KB	-rw-r--r--
lsm_hooks.h	74.39 KB	-rw-r--r--
lz4.h	26.44 KB	-rw-r--r--
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mISDNdsp.h	1.19 KB	-rw-r--r--
mISDNhw.h	5.39 KB	-rw-r--r--
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mailbox_client.h	1.71 KB	-rw-r--r--
mailbox_controller.h	5.67 KB	-rw-r--r--
maple.h	2.71 KB	-rw-r--r--
marvell_phy.h	1.69 KB	-rw-r--r--
math.h	5.06 KB	-rw-r--r--
math64.h	7.48 KB	-rw-r--r--
mbcache.h	1.57 KB	-rw-r--r--
mbus.h	3.09 KB	-rw-r--r--
mc146818rtc.h	4.46 KB	-rw-r--r--
mc6821.h	1.18 KB	-rw-r--r--
mcb.h	3.72 KB	-rw-r--r--
mdev.h	5.94 KB	-rw-r--r--
mdio-bitbang.h	1.31 KB	-rw-r--r--
mdio-gpio.h	177 B	-rw-r--r--
mdio-mux.h	1021 B	-rw-r--r--
mdio.h	12.42 KB	-rw-r--r--
mei_cl_bus.h	3.75 KB	-rw-r--r--
mem_encrypt.h	885 B	-rw-r--r--
memblock.h	20.08 KB	-rw-r--r--
memcontrol.h	43.18 KB	-rw-r--r--
memfd.h	365 B	-rw-r--r--
memory.h	5.99 KB	-rw-r--r--
memory_hotplug.h	11.42 KB	-rw-r--r--
mempolicy.h	7.37 KB	-rw-r--r--
mempool.h	3.35 KB	-rw-r--r--
memregion.h	403 B	-rw-r--r--
memremap.h	5.97 KB	-rw-r--r--
memstick.h	9.6 KB	-rw-r--r--
mhi.h	26.04 KB	-rw-r--r--
micrel_phy.h	1.85 KB	-rw-r--r--
microchipphy.h	2.65 KB	-rw-r--r--
migrate.h	5.41 KB	-rw-r--r--
migrate_mode.h	758 B	-rw-r--r--
mii.h	16.33 KB	-rw-r--r--
mii_timestamper.h	3.57 KB	-rw-r--r--
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minmax.h	4.02 KB	-rw-r--r--
misc_cgroup.h	2.95 KB	-rw-r--r--
miscdevice.h	3.2 KB	-rw-r--r--
mm.h	104.32 KB	-rw-r--r--
mm_inline.h	2.92 KB	-rw-r--r--
mm_types.h	25.06 KB	-rw-r--r--
mm_types_task.h	2.5 KB	-rw-r--r--
mman.h	3.91 KB	-rw-r--r--
mmap_lock.h	4.25 KB	-rw-r--r--
mmdebug.h	2.25 KB	-rw-r--r--
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mmu_context.h	855 B	-rw-r--r--
mmu_notifier.h	24.64 KB	-rw-r--r--
mmzone.h	46.64 KB	-rw-r--r--
mnt_namespace.h	697 B	-rw-r--r--
mod_devicetable.h	23.42 KB	-rw-r--r--
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moduleloader.h	3.1 KB	-rw-r--r--
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most.h	12.2 KB	-rw-r--r--
mount.h	3.93 KB	-rw-r--r--
moxtet.h	2.36 KB	-rw-r--r--
mpage.h	737 B	-rw-r--r--
mpi.h	8.41 KB	-rw-r--r--
mpls.h	394 B	-rw-r--r--
mpls_iptunnel.h	178 B	-rw-r--r--
mroute.h	1.97 KB	-rw-r--r--
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mroute_base.h	12.17 KB	-rw-r--r--
msdos_fs.h	273 B	-rw-r--r--
msdos_partition.h	1.62 KB	-rw-r--r--
msg.h	395 B	-rw-r--r--
msi.h	15.36 KB	-rw-r--r--
mtio.h	1.29 KB	-rw-r--r--
mutex.h	6.65 KB	-rw-r--r--
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mv643xx_eth.h	1.95 KB	-rw-r--r--
mv643xx_i2c.h	335 B	-rw-r--r--
mvebu-pmsu.h	520 B	-rw-r--r--
mxm-wmi.h	399 B	-rw-r--r--
namei.h	3.85 KB	-rw-r--r--
nd.h	5.55 KB	-rw-r--r--
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net.h	11.43 KB	-rw-r--r--
netdev_features.h	10.75 KB	-rw-r--r--
netdevice.h	167.19 KB	-rw-r--r--
netfilter.h	13.47 KB	-rw-r--r--
netfilter_bridge.h	2.08 KB	-rw-r--r--
netfilter_defs.h	486 B	-rw-r--r--
netfilter_ingress.h	1.44 KB	-rw-r--r--
netfilter_ipv4.h	1.05 KB	-rw-r--r--
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netfs.h	7.93 KB	-rw-r--r--
netlink.h	7.88 KB	-rw-r--r--
netpoll.h	2.4 KB	-rw-r--r--
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nfs3.h	260 B	-rw-r--r--
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nfs_page.h	6.75 KB	-rw-r--r--
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nfs_xdr.h	42.12 KB	-rw-r--r--
nfsacl.h	1.4 KB	-rw-r--r--
nitro_enclaves.h	267 B	-rw-r--r--
nl802154.h	3.85 KB	-rw-r--r--
nls.h	3.08 KB	-rw-r--r--
nmi.h	6.72 KB	-rw-r--r--
node.h	4.67 KB	-rw-r--r--
nodemask.h	16.99 KB	-rw-r--r--
nospec.h	2.16 KB	-rw-r--r--
notifier.h	7.84 KB	-rw-r--r--
ns_common.h	283 B	-rw-r--r--
nsc_gpio.h	1.42 KB	-rw-r--r--
nsproxy.h	3.09 KB	-rw-r--r--
ntb.h	52.43 KB	-rw-r--r--
ntb_transport.h	3.8 KB	-rw-r--r--
nubus.h	5.54 KB	-rw-r--r--
numa.h	1.25 KB	-rw-r--r--
nvme-fc-driver.h	45.86 KB	-rw-r--r--
nvme-fc.h	9.72 KB	-rw-r--r--
nvme-rdma.h	2.04 KB	-rw-r--r--
nvme-tcp.h	4.4 KB	-rw-r--r--
nvme.h	37.72 KB	-rw-r--r--
nvmem-consumer.h	6.78 KB	-rw-r--r--
nvmem-provider.h	4.72 KB	-rw-r--r--
nvram.h	3.47 KB	-rw-r--r--
objagg.h	1.99 KB	-rw-r--r--
objtool.h	4.35 KB	-rw-r--r--
of.h	43.24 KB	-rw-r--r--
of_address.h	4.17 KB	-rw-r--r--
of_clk.h	819 B	-rw-r--r--
of_device.h	2.93 KB	-rw-r--r--
of_dma.h	2.3 KB	-rw-r--r--
of_fdt.h	3.65 KB	-rw-r--r--
of_gpio.h	4.07 KB	-rw-r--r--
of_graph.h	3.55 KB	-rw-r--r--
of_iommu.h	505 B	-rw-r--r--
of_irq.h	3.75 KB	-rw-r--r--
of_mdio.h	3.51 KB	-rw-r--r--
of_net.h	824 B	-rw-r--r--
of_pci.h	915 B	-rw-r--r--
of_pdt.h	1.14 KB	-rw-r--r--
of_platform.h	3.88 KB	-rw-r--r--
of_reserved_mem.h	2.24 KB	-rw-r--r--
oid_registry.h	5.63 KB	-rw-r--r--
olpc-ec.h	1.95 KB	-rw-r--r--
omap-dma.h	9.79 KB	-rw-r--r--
omap-gpmc.h	2.64 KB	-rw-r--r--
omap-iommu.h	880 B	-rw-r--r--
omap-mailbox.h	689 B	-rw-r--r--
omapfb.h	576 B	-rw-r--r--
once.h	1.87 KB	-rw-r--r--
once_lite.h	677 B	-rw-r--r--
oom.h	3.26 KB	-rw-r--r--
openvswitch.h	403 B	-rw-r--r--
osq_lock.h	1.04 KB	-rw-r--r--
overflow.h	6.42 KB	-rw-r--r--
packing.h	1.76 KB	-rw-r--r--
padata.h	6.12 KB	-rw-r--r--
page-flags-layout.h	3.21 KB	-rw-r--r--
page-flags.h	28 KB	-rw-r--r--
page-isolation.h	1.64 KB	-rw-r--r--
page_counter.h	2.3 KB	-rw-r--r--
page_ext.h	1.83 KB	-rw-r--r--
page_idle.h	2.61 KB	-rw-r--r--
page_owner.h	2.31 KB	-rw-r--r--
page_ref.h	4.95 KB	-rw-r--r--
page_reporting.h	895 B	-rw-r--r--
pageblock-flags.h	2.31 KB	-rw-r--r--
pagemap.h	31.48 KB	-rw-r--r--
pagevec.h	2.04 KB	-rw-r--r--
pagewalk.h	4.07 KB	-rw-r--r--
panic.h	2.69 KB	-rw-r--r--
panic_notifier.h	296 B	-rw-r--r--
parman.h	2.87 KB	-rw-r--r--
parport.h	19.09 KB	-rw-r--r--
parport_pc.h	6.56 KB	-rw-r--r--
parser.h	1.17 KB	-rw-r--r--
part_stat.h	2.38 KB	-rw-r--r--
pata_arasan_cf_data.h	1.22 KB	-rw-r--r--
patchkey.h	757 B	-rw-r--r--
path.h	572 B	-rw-r--r--
pch_dma.h	408 B	-rw-r--r--
pci-acpi.h	3.85 KB	-rw-r--r--
pci-ats.h	1.76 KB	-rw-r--r--
pci-dma-compat.h	3.66 KB	-rw-r--r--
pci-ecam.h	3.2 KB	-rw-r--r--
pci-ep-cfs.h	956 B	-rw-r--r--
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pci-p2pdma.h	3.95 KB	-rw-r--r--
pci.h	89.14 KB	-rw-r--r--
pci_hotplug.h	4.35 KB	-rw-r--r--
pci_ids.h	120.69 KB	-rw-r--r--
pcs-lynx.h	425 B	-rw-r--r--
pda_power.h	1005 B	-rw-r--r--
pe.h	16.17 KB	-rw-r--r--
percpu-defs.h	18.12 KB	-rw-r--r--
percpu-refcount.h	10.84 KB	-rw-r--r--
percpu-rwsem.h	4.16 KB	-rw-r--r--
percpu.h	4.65 KB	-rw-r--r--
percpu_counter.h	4.39 KB	-rw-r--r--
perf_event.h	46.38 KB	-rw-r--r--
perf_regs.h	1.05 KB	-rw-r--r--
personality.h	393 B	-rw-r--r--
pfn.h	666 B	-rw-r--r--
pfn_t.h	3.21 KB	-rw-r--r--
pgtable.h	43.89 KB	-rw-r--r--
phonet.h	537 B	-rw-r--r--
phy.h	57.75 KB	-rw-r--r--
phy_fixed.h	1.77 KB	-rw-r--r--
phy_led_triggers.h	1.01 KB	-rw-r--r--
phylink.h	19.37 KB	-rw-r--r--
pid.h	6.29 KB	-rw-r--r--
pid_namespace.h	2.08 KB	-rw-r--r--
pim.h	2.67 KB	-rw-r--r--
pipe_fs_i.h	8.68 KB	-rw-r--r--
pkeys.h	990 B	-rw-r--r--
pktcdvd.h	5.87 KB	-rw-r--r--
pl320-ipc.h	209 B	-rw-r--r--
platform_device.h	12.21 KB	-rw-r--r--
platform_profile.h	1.12 KB	-rw-r--r--
pldmfw.h	4.76 KB	-rw-r--r--
plist.h	8.66 KB	-rw-r--r--
pm-trace.h	940 B	-rw-r--r--
pm.h	32.64 KB	-rw-r--r--
pm_clock.h	2.58 KB	-rw-r--r--
pm_domain.h	13.18 KB	-rw-r--r--
pm_opp.h	15.1 KB	-rw-r--r--
pm_qos.h	10.41 KB	-rw-r--r--
pm_runtime.h	18.5 KB	-rw-r--r--
pm_wakeirq.h	1.31 KB	-rw-r--r--
pm_wakeup.h	6.28 KB	-rw-r--r--
pmbus.h	2.48 KB	-rw-r--r--
pmu.h	2.44 KB	-rw-r--r--
pnfs_osd_xdr.h	9.27 KB	-rw-r--r--
pnp.h	14.9 KB	-rw-r--r--
poison.h	2.48 KB	-rw-r--r--
poll.h	4.07 KB	-rw-r--r--
posix-clock.h	3.91 KB	-rw-r--r--
posix-timers.h	7.01 KB	-rw-r--r--
posix_acl.h	3.27 KB	-rw-r--r--
posix_acl_xattr.h	1.75 KB	-rw-r--r--
power_supply.h	17.74 KB	-rw-r--r--
powercap.h	11.98 KB	-rw-r--r--
ppp-comp.h	2.95 KB	-rw-r--r--
ppp_channel.h	2.99 KB	-rw-r--r--
ppp_defs.h	305 B	-rw-r--r--
pps_kernel.h	2.9 KB	-rw-r--r--
pr.h	566 B	-rw-r--r--
prandom.h	3.75 KB	-rw-r--r--
preempt.h	11.99 KB	-rw-r--r--
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prime_numbers.h	1.35 KB	-rw-r--r--
printk.h	22.19 KB	-rw-r--r--
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proc_fs.h	8.35 KB	-rw-r--r--
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processor.h	1.84 KB	-rw-r--r--
profile.h	2.65 KB	-rw-r--r--
projid.h	2.22 KB	-rw-r--r--
property.h	17.28 KB	-rw-r--r--
pruss_driver.h	1.27 KB	-rw-r--r--
psci.h	1.52 KB	-rw-r--r--
pseudo_fs.h	355 B	-rw-r--r--
psi.h	1.56 KB	-rw-r--r--
psi_types.h	4.31 KB	-rw-r--r--
psp-sev.h	17.76 KB	-rw-r--r--
psp-tee.h	2.65 KB	-rw-r--r--
pstore.h	7.63 KB	-rw-r--r--
pstore_blk.h	1.53 KB	-rw-r--r--
pstore_ram.h	3.82 KB	-rw-r--r--
pstore_zone.h	2.28 KB	-rw-r--r--
ptdump.h	567 B	-rw-r--r--
pti.h	240 B	-rw-r--r--
ptp_classify.h	4.35 KB	-rw-r--r--
ptp_clock_kernel.h	12.2 KB	-rw-r--r--
ptp_kvm.h	430 B	-rw-r--r--
ptp_pch.h	623 B	-rw-r--r--
ptr_ring.h	16.29 KB	-rw-r--r--
ptrace.h	14.92 KB	-rw-r--r--
purgatory.h	590 B	-rw-r--r--
pvclock_gtod.h	548 B	-rw-r--r--
pwm.h	16.37 KB	-rw-r--r--
pwm_backlight.h	722 B	-rw-r--r--
pxa168_eth.h	728 B	-rw-r--r--
pxa2xx_ssp.h	11.13 KB	-rw-r--r--
qcom-geni-se.h	13.74 KB	-rw-r--r--
qcom_scm.h	3.81 KB	-rw-r--r--
qnx6_fs.h	3.27 KB	-rw-r--r--
quota.h	18.67 KB	-rw-r--r--
quotaops.h	10.28 KB	-rw-r--r--
radix-tree.h	15.63 KB	-rw-r--r--
raid_class.h	2.1 KB	-rw-r--r--
ramfs.h	695 B	-rw-r--r--
random.h	4.12 KB	-rw-r--r--
randomize_kstack.h	1.92 KB	-rw-r--r--
range.h	775 B	-rw-r--r--
ras.h	1.02 KB	-rw-r--r--
ratelimit.h	1.72 KB	-rw-r--r--
ratelimit_types.h	1.14 KB	-rw-r--r--
rational.h	639 B	-rw-r--r--
rbtree.h	8.93 KB	-rw-r--r--
rbtree_augmented.h	9.53 KB	-rw-r--r--
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rbtree_types.h	946 B	-rw-r--r--
rcu_node_tree.h	3.73 KB	-rw-r--r--
rcu_segcblist.h	10.03 KB	-rw-r--r--
rcu_sync.h	1.46 KB	-rw-r--r--
rculist.h	28.56 KB	-rw-r--r--
rculist_bl.h	3.29 KB	-rw-r--r--
rculist_nulls.h	6.57 KB	-rw-r--r--
rcupdate.h	36.33 KB	-rw-r--r--
rcupdate_trace.h	3.08 KB	-rw-r--r--
rcupdate_wait.h	1.73 KB	-rw-r--r--
rcutiny.h	3.32 KB	-rw-r--r--
rcutree.h	2.34 KB	-rw-r--r--
rcuwait.h	1.84 KB	-rw-r--r--
reboot-mode.h	600 B	-rw-r--r--
reboot.h	2.18 KB	-rw-r--r--
reciprocal_div.h	3.28 KB	-rw-r--r--
refcount.h	12.02 KB	-rw-r--r--
regmap.h	62.95 KB	-rw-r--r--
regset.h	11.35 KB	-rw-r--r--
relay.h	8.47 KB	-rw-r--r--
remoteproc.h	24.77 KB	-rw-r--r--
resctrl.h	6.5 KB	-rw-r--r--
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reset.h	30.24 KB	-rw-r--r--
resource.h	339 B	-rw-r--r--
resource_ext.h	2.08 KB	-rw-r--r--
restart_block.h	1.11 KB	-rw-r--r--
rfkill.h	10.52 KB	-rw-r--r--
rhashtable-types.h	3.45 KB	-rw-r--r--
rhashtable.h	37.59 KB	-rw-r--r--
ring_buffer.h	7.43 KB	-rw-r--r--
rio.h	19.02 KB	-rw-r--r--
rio_drv.h	14.32 KB	-rw-r--r--
rio_ids.h	1.08 KB	-rw-r--r--
rio_regs.h	19.07 KB	-rw-r--r--
rmap.h	8.96 KB	-rw-r--r--
rmi.h	12.04 KB	-rw-r--r--
rndis.h	16.86 KB	-rw-r--r--
rodata_test.h	394 B	-rw-r--r--
root_dev.h	619 B	-rw-r--r--
rpmsg.h	8.4 KB	-rw-r--r--
rslib.h	3.67 KB	-rw-r--r--
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rtmutex.h	2.97 KB	-rw-r--r--
rtnetlink.h	4.46 KB	-rw-r--r--
rtsx_common.h	890 B	-rw-r--r--
rtsx_pci.h	39.82 KB	-rw-r--r--
rtsx_usb.h	15.42 KB	-rw-r--r--
rwbase_rt.h	876 B	-rw-r--r--
rwlock.h	4.55 KB	-rw-r--r--
rwlock_api_smp.h	7.65 KB	-rw-r--r--
rwlock_rt.h	2.98 KB	-rw-r--r--
rwlock_types.h	1.77 KB	-rw-r--r--
rwsem.h	7.32 KB	-rw-r--r--
s3c_adc_battery.h	923 B	-rw-r--r--
sbitmap.h	16.9 KB	-rw-r--r--
scatterlist.h	17.56 KB	-rw-r--r--
scc.h	2.84 KB	-rw-r--r--
sched.h	64.44 KB	-rw-r--r--
sched_clock.h	1.44 KB	-rw-r--r--
scmi_protocol.h	26.03 KB	-rw-r--r--
scpi_protocol.h	2.67 KB	-rw-r--r--
screen_info.h	191 B	-rw-r--r--
scs.h	1.83 KB	-rw-r--r--
sctp.h	22.88 KB	-rw-r--r--
scx200.h	1.82 KB	-rw-r--r--
scx200_gpio.h	2.38 KB	-rw-r--r--
sdb.h	4.17 KB	-rw-r--r--
seccomp.h	3.45 KB	-rw-r--r--
secretmem.h	1.17 KB	-rw-r--r--
securebits.h	239 B	-rw-r--r--
security.h	58.64 KB	-rw-r--r--
sed-opal.h	1.66 KB	-rw-r--r--
seg6.h	121 B	-rw-r--r--
seg6_genl.h	136 B	-rw-r--r--
seg6_hmac.h	136 B	-rw-r--r--
seg6_iptunnel.h	148 B	-rw-r--r--
seg6_local.h	100 B	-rw-r--r--
selection.h	1.81 KB	-rw-r--r--
sem.h	599 B	-rw-r--r--
semaphore.h	1.35 KB	-rw-r--r--
seq_buf.h	3.94 KB	-rw-r--r--
seq_file.h	8.75 KB	-rw-r--r--
seq_file_net.h	730 B	-rw-r--r--
seqlock.h	38.18 KB	-rw-r--r--
seqno-fence.h	3.57 KB	-rw-r--r--
serdev.h	9.82 KB	-rw-r--r--
serial.h	630 B	-rw-r--r--
serial_8250.h	6.57 KB	-rw-r--r--
serial_bcm63xx.h	4.73 KB	-rw-r--r--
serial_core.h	17.65 KB	-rw-r--r--
serial_max3100.h	1.19 KB	-rw-r--r--
serial_s3c.h	9.42 KB	-rw-r--r--
serial_sci.h	1.6 KB	-rw-r--r--
serio.h	4.28 KB	-rw-r--r--
set_memory.h	1.66 KB	-rw-r--r--
sfp.h	15.87 KB	-rw-r--r--
sh_clk.h	5.96 KB	-rw-r--r--
sh_dma.h	3.47 KB	-rw-r--r--
sh_eth.h	369 B	-rw-r--r--
sh_intc.h	3.42 KB	-rw-r--r--
sh_timer.h	172 B	-rw-r--r--
shdma-base.h	4.27 KB	-rw-r--r--
shm.h	968 B	-rw-r--r--
shmem_fs.h	5.81 KB	-rw-r--r--
shrinker.h	3.25 KB	-rw-r--r--
signal.h	13.56 KB	-rw-r--r--
signal_types.h	1.68 KB	-rw-r--r--
signalfd.h	817 B	-rw-r--r--
siox.h	2.26 KB	-rw-r--r--
siphash.h	4.53 KB	-rw-r--r--
sizes.h	1.27 KB	-rw-r--r--
skb_array.h	5.18 KB	-rw-r--r--
skbuff.h	133.77 KB	-rw-r--r--
skmsg.h	13.29 KB	-rw-r--r--
slab.h	22.32 KB	-rw-r--r--
slab_def.h	3.02 KB	-rw-r--r--
slimbus.h	6.93 KB	-rw-r--r--
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sm501-regs.h	11.62 KB	-rw-r--r--
sm501.h	4.02 KB	-rw-r--r--
smc911x.h	294 B	-rw-r--r--
smc91x.h	1.57 KB	-rw-r--r--
smp.h	7.63 KB	-rw-r--r--
smp_types.h	1.35 KB	-rw-r--r--
smpboot.h	1.68 KB	-rw-r--r--
smsc911x.h	1.63 KB	-rw-r--r--
smscphy.h	1.25 KB	-rw-r--r--
sock_diag.h	2.31 KB	-rw-r--r--
socket.h	15.04 KB	-rw-r--r--
sockptr.h	2.23 KB	-rw-r--r--
sonet.h	469 B	-rw-r--r--
sony-laptop.h	1.41 KB	-rw-r--r--
sonypi.h	1.71 KB	-rw-r--r--
sort.h	346 B	-rw-r--r--
sound.h	685 B	-rw-r--r--
soundcard.h	1.59 KB	-rw-r--r--
spinlock.h	14.07 KB	-rw-r--r--
spinlock_api_smp.h	5.47 KB	-rw-r--r--
spinlock_api_up.h	3.31 KB	-rw-r--r--
spinlock_rt.h	4.11 KB	-rw-r--r--
spinlock_types.h	1.78 KB	-rw-r--r--
spinlock_types_raw.h	1.69 KB	-rw-r--r--
spinlock_types_up.h	726 B	-rw-r--r--
spinlock_up.h	2.16 KB	-rw-r--r--
splice.h	3.24 KB	-rw-r--r--
spmi.h	5.59 KB	-rw-r--r--
sram.h	844 B	-rw-r--r--
srcu.h	6.93 KB	-rw-r--r--
srcutiny.h	2.75 KB	-rw-r--r--
srcutree.h	4.8 KB	-rw-r--r--
ssbi.h	726 B	-rw-r--r--
stackdepot.h	768 B	-rw-r--r--
stackleak.h	902 B	-rw-r--r--
stackprotector.h	361 B	-rw-r--r--
stacktrace.h	3.89 KB	-rw-r--r--
start_kernel.h	415 B	-rw-r--r--
stat.h	1.33 KB	-rw-r--r--
statfs.h	1.78 KB	-rw-r--r--
static_call.h	10.17 KB	-rw-r--r--
static_call_types.h	2.74 KB	-rw-r--r--
static_key.h	30 B	-rw-r--r--
stdarg.h	313 B	-rw-r--r--
stddef.h	827 B	-rw-r--r--
stm.h	4.34 KB	-rw-r--r--
stmmac.h	6.75 KB	-rw-r--r--
stmp3xxx_rtc_wdt.h	331 B	-rw-r--r--
stmp_device.h	412 B	-rw-r--r--
stop_machine.h	4.41 KB	-rw-r--r--
string.h	8.66 KB	-rw-r--r--
string_helpers.h	2.69 KB	-rw-r--r--
stringhash.h	2.65 KB	-rw-r--r--
stringify.h	341 B	-rw-r--r--
sungem_phy.h	3.94 KB	-rw-r--r--
sunserialcore.h	1.08 KB	-rw-r--r--
sunxi-rsb.h	2.89 KB	-rw-r--r--
superhyway.h	2.81 KB	-rw-r--r--
surface_acpi_notify.h	1.07 KB	-rw-r--r--
suspend.h	20.02 KB	-rw-r--r--
svga.h	3.75 KB	-rw-r--r--
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swab.h	569 B	-rw-r--r--
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swap.h	23.51 KB	-rw-r--r--
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swap_slots.h	841 B	-rw-r--r--
swapfile.h	556 B	-rw-r--r--
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swiotlb.h	5.33 KB	-rw-r--r--
switchtec.h	10.9 KB	-rw-r--r--
sxgbe_platform.h	1.23 KB	-rw-r--r--
sync_core.h	581 B	-rw-r--r--
sync_file.h	1.57 KB	-rw-r--r--
synclink.h	989 B	-rw-r--r--
sys.h	960 B	-rw-r--r--
sys_soc.h	1.26 KB	-rw-r--r--
syscall_user_dispatch.h	930 B	-rw-r--r--
syscalls.h	55.31 KB	-rw-r--r--
syscore_ops.h	633 B	-rw-r--r--
sysctl.h	7.73 KB	-rw-r--r--
sysfb.h	2.39 KB	-rw-r--r--
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syslog.h	1.24 KB	-rw-r--r--
sysrq.h	1.96 KB	-rw-r--r--
sysv_fs.h	9.03 KB	-rw-r--r--
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Code Editor : kvm_host.h

/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef __KVM_HOST_H
#define __KVM_HOST_H

#include <linux/types.h>
#include <linux/hardirq.h>
#include <linux/list.h>
#include <linux/mutex.h>
#include <linux/spinlock.h>
#include <linux/signal.h>
#include <linux/sched.h>
#include <linux/sched/stat.h>
#include <linux/bug.h>
#include <linux/minmax.h>
#include <linux/mm.h>
#include <linux/mmu_notifier.h>
#include <linux/ftrace.h>
#include <linux/instrumentation.h>
#include <linux/preempt.h>
#include <linux/msi.h>
#include <linux/slab.h>
#include <linux/vmalloc.h>
#include <linux/rcupdate.h>
#include <linux/ratelimit.h>
#include <linux/err.h>
#include <linux/irqflags.h>
#include <linux/context_tracking.h>
#include <linux/irqbypass.h>
#include <linux/rcuwait.h>
#include <linux/refcount.h>
#include <linux/nospec.h>
#include <linux/notifier.h>
#include <asm/signal.h>

#include <linux/kvm.h>
#include <linux/kvm_para.h>

#include <linux/kvm_types.h>

#include <asm/kvm_host.h>
#include <linux/kvm_dirty_ring.h>

#ifndef KVM_MAX_VCPU_ID
#define KVM_MAX_VCPU_ID KVM_MAX_VCPUS
#endif

/*
 * The bit 16 ~ bit 31 of kvm_memory_region::flags are internally used
 * in kvm, other bits are visible for userspace which are defined in
 * include/linux/kvm_h.
 */
#define KVM_MEMSLOT_INVALID	(1UL << 16)

/*
 * Bit 63 of the memslot generation number is an "update in-progress flag",
 * e.g. is temporarily set for the duration of install_new_memslots().
 * This flag effectively creates a unique generation number that is used to
 * mark cached memslot data, e.g. MMIO accesses, as potentially being stale,
 * i.e. may (or may not) have come from the previous memslots generation.
 *
 * This is necessary because the actual memslots update is not atomic with
 * respect to the generation number update.  Updating the generation number
 * first would allow a vCPU to cache a spte from the old memslots using the
 * new generation number, and updating the generation number after switching
 * to the new memslots would allow cache hits using the old generation number
 * to reference the defunct memslots.
 *
 * This mechanism is used to prevent getting hits in KVM's caches while a
 * memslot update is in-progress, and to prevent cache hits *after* updating
 * the actual generation number against accesses that were inserted into the
 * cache *before* the memslots were updated.
 */
#define KVM_MEMSLOT_GEN_UPDATE_IN_PROGRESS	BIT_ULL(63)

/* Two fragments for cross MMIO pages. */
#define KVM_MAX_MMIO_FRAGMENTS	2

#ifndef KVM_ADDRESS_SPACE_NUM
#define KVM_ADDRESS_SPACE_NUM	1
#endif

/*
 * For the normal pfn, the highest 12 bits should be zero,
 * so we can mask bit 62 ~ bit 52  to indicate the error pfn,
 * mask bit 63 to indicate the noslot pfn.
 */
#define KVM_PFN_ERR_MASK	(0x7ffULL << 52)
#define KVM_PFN_ERR_NOSLOT_MASK	(0xfffULL << 52)
#define KVM_PFN_NOSLOT		(0x1ULL << 63)

#define KVM_PFN_ERR_FAULT	(KVM_PFN_ERR_MASK)
#define KVM_PFN_ERR_HWPOISON	(KVM_PFN_ERR_MASK + 1)
#define KVM_PFN_ERR_RO_FAULT	(KVM_PFN_ERR_MASK + 2)

/*
 * error pfns indicate that the gfn is in slot but faild to
 * translate it to pfn on host.
 */
static inline bool is_error_pfn(kvm_pfn_t pfn)
{
	return !!(pfn & KVM_PFN_ERR_MASK);
}

/*
 * error_noslot pfns indicate that the gfn can not be
 * translated to pfn - it is not in slot or failed to
 * translate it to pfn.
 */
static inline bool is_error_noslot_pfn(kvm_pfn_t pfn)
{
	return !!(pfn & KVM_PFN_ERR_NOSLOT_MASK);
}

/* noslot pfn indicates that the gfn is not in slot. */
static inline bool is_noslot_pfn(kvm_pfn_t pfn)
{
	return pfn == KVM_PFN_NOSLOT;
}

/*
 * architectures with KVM_HVA_ERR_BAD other than PAGE_OFFSET (e.g. s390)
 * provide own defines and kvm_is_error_hva
 */
#ifndef KVM_HVA_ERR_BAD

#define KVM_HVA_ERR_BAD		(PAGE_OFFSET)
#define KVM_HVA_ERR_RO_BAD	(PAGE_OFFSET + PAGE_SIZE)

static inline bool kvm_is_error_hva(unsigned long addr)
{
	return addr >= PAGE_OFFSET;
}

#endif

#define KVM_ERR_PTR_BAD_PAGE	(ERR_PTR(-ENOENT))

static inline bool is_error_page(struct page *page)
{
	return IS_ERR(page);
}

#define KVM_REQUEST_MASK           GENMASK(7,0)
#define KVM_REQUEST_NO_WAKEUP      BIT(8)
#define KVM_REQUEST_WAIT           BIT(9)
/*
 * Architecture-independent vcpu->requests bit members
 * Bits 4-7 are reserved for more arch-independent bits.
 */
#define KVM_REQ_TLB_FLUSH         (0 | KVM_REQUEST_WAIT | KVM_REQUEST_NO_WAKEUP)
#define KVM_REQ_MMU_RELOAD        (1 | KVM_REQUEST_WAIT | KVM_REQUEST_NO_WAKEUP)
#define KVM_REQ_UNBLOCK           2
#define KVM_REQ_UNHALT            3
#define KVM_REQ_VM_BUGGED         (4 | KVM_REQUEST_WAIT | KVM_REQUEST_NO_WAKEUP)
#define KVM_REQUEST_ARCH_BASE     8

#define KVM_ARCH_REQ_FLAGS(nr, flags) ({ \
	BUILD_BUG_ON((unsigned)(nr) >= (sizeof_field(struct kvm_vcpu, requests) * 8) - KVM_REQUEST_ARCH_BASE); \
	(unsigned)(((nr) + KVM_REQUEST_ARCH_BASE) | (flags)); \
})
#define KVM_ARCH_REQ(nr)           KVM_ARCH_REQ_FLAGS(nr, 0)

bool kvm_make_vcpus_request_mask(struct kvm *kvm, unsigned int req,
				 struct kvm_vcpu *except,
				 unsigned long *vcpu_bitmap, cpumask_var_t tmp);
bool kvm_make_all_cpus_request(struct kvm *kvm, unsigned int req);
bool kvm_make_all_cpus_request_except(struct kvm *kvm, unsigned int req,
				      struct kvm_vcpu *except);
bool kvm_make_cpus_request_mask(struct kvm *kvm, unsigned int req,
				unsigned long *vcpu_bitmap);

#define KVM_USERSPACE_IRQ_SOURCE_ID		0
#define KVM_IRQFD_RESAMPLE_IRQ_SOURCE_ID	1

extern struct mutex kvm_lock;
extern struct list_head vm_list;

struct kvm_io_range {
	gpa_t addr;
	int len;
	struct kvm_io_device *dev;
};

#define NR_IOBUS_DEVS 1000

struct kvm_io_bus {
	int dev_count;
	int ioeventfd_count;
	struct kvm_io_range range[];
};

enum kvm_bus {
	KVM_MMIO_BUS,
	KVM_PIO_BUS,
	KVM_VIRTIO_CCW_NOTIFY_BUS,
	KVM_FAST_MMIO_BUS,
	KVM_NR_BUSES
};

int kvm_io_bus_write(struct kvm_vcpu *vcpu, enum kvm_bus bus_idx, gpa_t addr,
		     int len, const void *val);
int kvm_io_bus_write_cookie(struct kvm_vcpu *vcpu, enum kvm_bus bus_idx,
			    gpa_t addr, int len, const void *val, long cookie);
int kvm_io_bus_read(struct kvm_vcpu *vcpu, enum kvm_bus bus_idx, gpa_t addr,
		    int len, void *val);
int kvm_io_bus_register_dev(struct kvm *kvm, enum kvm_bus bus_idx, gpa_t addr,
			    int len, struct kvm_io_device *dev);
int kvm_io_bus_unregister_dev(struct kvm *kvm, enum kvm_bus bus_idx,
			      struct kvm_io_device *dev);
struct kvm_io_device *kvm_io_bus_get_dev(struct kvm *kvm, enum kvm_bus bus_idx,
					 gpa_t addr);

#ifdef CONFIG_KVM_ASYNC_PF
struct kvm_async_pf {
	struct work_struct work;
	struct list_head link;
	struct list_head queue;
	struct kvm_vcpu *vcpu;
	struct mm_struct *mm;
	gpa_t cr2_or_gpa;
	unsigned long addr;
	struct kvm_arch_async_pf arch;
	bool   wakeup_all;
	bool notpresent_injected;
};

void kvm_clear_async_pf_completion_queue(struct kvm_vcpu *vcpu);
void kvm_check_async_pf_completion(struct kvm_vcpu *vcpu);
bool kvm_setup_async_pf(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa,
			unsigned long hva, struct kvm_arch_async_pf *arch);
int kvm_async_pf_wakeup_all(struct kvm_vcpu *vcpu);
#endif

#ifdef KVM_ARCH_WANT_MMU_NOTIFIER
struct kvm_gfn_range {
	struct kvm_memory_slot *slot;
	gfn_t start;
	gfn_t end;
	pte_t pte;
	bool may_block;
};
bool kvm_unmap_gfn_range(struct kvm *kvm, struct kvm_gfn_range *range);
bool kvm_age_gfn(struct kvm *kvm, struct kvm_gfn_range *range);
bool kvm_test_age_gfn(struct kvm *kvm, struct kvm_gfn_range *range);
bool kvm_set_spte_gfn(struct kvm *kvm, struct kvm_gfn_range *range);
#endif

enum {
	OUTSIDE_GUEST_MODE,
	IN_GUEST_MODE,
	EXITING_GUEST_MODE,
	READING_SHADOW_PAGE_TABLES,
};

#define KVM_UNMAPPED_PAGE	((void *) 0x500 + POISON_POINTER_DELTA)

struct kvm_host_map {
	/*
	 * Only valid if the 'pfn' is managed by the host kernel (i.e. There is
	 * a 'struct page' for it. When using mem= kernel parameter some memory
	 * can be used as guest memory but they are not managed by host
	 * kernel).
	 * If 'pfn' is not managed by the host kernel, this field is
	 * initialized to KVM_UNMAPPED_PAGE.
	 */
	struct page *page;
	void *hva;
	kvm_pfn_t pfn;
	kvm_pfn_t gfn;
};

/*
 * Used to check if the mapping is valid or not. Never use 'kvm_host_map'
 * directly to check for that.
 */
static inline bool kvm_vcpu_mapped(struct kvm_host_map *map)
{
	return !!map->hva;
}

static inline bool kvm_vcpu_can_poll(ktime_t cur, ktime_t stop)
{
	return single_task_running() && !need_resched() && ktime_before(cur, stop);
}

/*
 * Sometimes a large or cross-page mmio needs to be broken up into separate
 * exits for userspace servicing.
 */
struct kvm_mmio_fragment {
	gpa_t gpa;
	void *data;
	unsigned len;
};

struct kvm_vcpu {
	struct kvm *kvm;
#ifdef CONFIG_PREEMPT_NOTIFIERS
	struct preempt_notifier preempt_notifier;
#endif
	int cpu;
	int vcpu_id; /* id given by userspace at creation */
	int vcpu_idx; /* index in kvm->vcpus array */
	int srcu_idx;
	int mode;
	u64 requests;
	unsigned long guest_debug;

int pre_pcpu;
	struct list_head blocked_vcpu_list;

struct mutex mutex;
	struct kvm_run *run;

struct rcuwait wait;
	struct pid __rcu *pid;
	int sigset_active;
	sigset_t sigset;
	unsigned int halt_poll_ns;
	bool valid_wakeup;

#ifdef CONFIG_HAS_IOMEM
	int mmio_needed;
	int mmio_read_completed;
	int mmio_is_write;
	int mmio_cur_fragment;
	int mmio_nr_fragments;
	struct kvm_mmio_fragment mmio_fragments[KVM_MAX_MMIO_FRAGMENTS];
#endif

#ifdef CONFIG_KVM_ASYNC_PF
	struct {
		u32 queued;
		struct list_head queue;
		struct list_head done;
		spinlock_t lock;
	} async_pf;
#endif

#ifdef CONFIG_HAVE_KVM_CPU_RELAX_INTERCEPT
	/*
	 * Cpu relax intercept or pause loop exit optimization
	 * in_spin_loop: set when a vcpu does a pause loop exit
	 *  or cpu relax intercepted.
	 * dy_eligible: indicates whether vcpu is eligible for directed yield.
	 */
	struct {
		bool in_spin_loop;
		bool dy_eligible;
	} spin_loop;
#endif
	bool preempted;
	bool ready;
	struct kvm_vcpu_arch arch;
	struct kvm_vcpu_stat stat;
	char stats_id[KVM_STATS_NAME_SIZE];
	struct kvm_dirty_ring dirty_ring;

/*
	 * The index of the most recently used memslot by this vCPU. It's ok
	 * if this becomes stale due to memslot changes since we always check
	 * it is a valid slot.
	 */
	int last_used_slot;
};

/*
 * Start accounting time towards a guest.
 * Must be called before entering guest context.
 */
static __always_inline void guest_timing_enter_irqoff(void)
{
	/*
	 * This is running in ioctl context so its safe to assume that it's the
	 * stime pending cputime to flush.
	 */
	instrumentation_begin();
	vtime_account_guest_enter();
	instrumentation_end();
}

/*
 * Enter guest context and enter an RCU extended quiescent state.
 *
 * Between guest_context_enter_irqoff() and guest_context_exit_irqoff() it is
 * unsafe to use any code which may directly or indirectly use RCU, tracing
 * (including IRQ flag tracing), or lockdep. All code in this period must be
 * non-instrumentable.
 */
static __always_inline void guest_context_enter_irqoff(void)
{
	/*
	 * KVM does not hold any references to rcu protected data when it
	 * switches CPU into a guest mode. In fact switching to a guest mode
	 * is very similar to exiting to userspace from rcu point of view. In
	 * addition CPU may stay in a guest mode for quite a long time (up to
	 * one time slice). Lets treat guest mode as quiescent state, just like
	 * we do with user-mode execution.
	 */
	if (!context_tracking_guest_enter()) {
		instrumentation_begin();
		rcu_virt_note_context_switch(smp_processor_id());
		instrumentation_end();
	}
}

/*
 * Deprecated. Architectures should move to guest_timing_enter_irqoff() and
 * guest_state_enter_irqoff().
 */
static __always_inline void guest_enter_irqoff(void)
{
	guest_timing_enter_irqoff();
	guest_context_enter_irqoff();
}

/**
 * guest_state_enter_irqoff - Fixup state when entering a guest
 *
 * Entry to a guest will enable interrupts, but the kernel state is interrupts
 * disabled when this is invoked. Also tell RCU about it.
 *
 * 1) Trace interrupts on state
 * 2) Invoke context tracking if enabled to adjust RCU state
 * 3) Tell lockdep that interrupts are enabled
 *
 * Invoked from architecture specific code before entering a guest.
 * Must be called with interrupts disabled and the caller must be
 * non-instrumentable.
 * The caller has to invoke guest_timing_enter_irqoff() before this.
 *
 * Note: this is analogous to exit_to_user_mode().
 */
static __always_inline void guest_state_enter_irqoff(void)
{
	instrumentation_begin();
	trace_hardirqs_on_prepare();
	lockdep_hardirqs_on_prepare(CALLER_ADDR0);
	instrumentation_end();

guest_context_enter_irqoff();
	lockdep_hardirqs_on(CALLER_ADDR0);
}

/*
 * Exit guest context and exit an RCU extended quiescent state.
 *
 * Between guest_context_enter_irqoff() and guest_context_exit_irqoff() it is
 * unsafe to use any code which may directly or indirectly use RCU, tracing
 * (including IRQ flag tracing), or lockdep. All code in this period must be
 * non-instrumentable.
 */
static __always_inline void guest_context_exit_irqoff(void)
{
	context_tracking_guest_exit();
}

/*
 * Stop accounting time towards a guest.
 * Must be called after exiting guest context.
 */
static __always_inline void guest_timing_exit_irqoff(void)
{
	instrumentation_begin();
	/* Flush the guest cputime we spent on the guest */
	vtime_account_guest_exit();
	instrumentation_end();
}

/*
 * Deprecated. Architectures should move to guest_state_exit_irqoff() and
 * guest_timing_exit_irqoff().
 */
static __always_inline void guest_exit_irqoff(void)
{
	guest_context_exit_irqoff();
	guest_timing_exit_irqoff();
}

static inline void guest_exit(void)
{
	unsigned long flags;

local_irq_save(flags);
	guest_exit_irqoff();
	local_irq_restore(flags);
}

/**
 * guest_state_exit_irqoff - Establish state when returning from guest mode
 *
 * Entry from a guest disables interrupts, but guest mode is traced as
 * interrupts enabled. Also with NO_HZ_FULL RCU might be idle.
 *
 * 1) Tell lockdep that interrupts are disabled
 * 2) Invoke context tracking if enabled to reactivate RCU
 * 3) Trace interrupts off state
 *
 * Invoked from architecture specific code after exiting a guest.
 * Must be invoked with interrupts disabled and the caller must be
 * non-instrumentable.
 * The caller has to invoke guest_timing_exit_irqoff() after this.
 *
 * Note: this is analogous to enter_from_user_mode().
 */
static __always_inline void guest_state_exit_irqoff(void)
{
	lockdep_hardirqs_off(CALLER_ADDR0);
	guest_context_exit_irqoff();

instrumentation_begin();
	trace_hardirqs_off_finish();
	instrumentation_end();
}

static inline int kvm_vcpu_exiting_guest_mode(struct kvm_vcpu *vcpu)
{
	/*
	 * The memory barrier ensures a previous write to vcpu->requests cannot
	 * be reordered with the read of vcpu->mode.  It pairs with the general
	 * memory barrier following the write of vcpu->mode in VCPU RUN.
	 */
	smp_mb__before_atomic();
	return cmpxchg(&vcpu->mode, IN_GUEST_MODE, EXITING_GUEST_MODE);
}

/*
 * Some of the bitops functions do not support too long bitmaps.
 * This number must be determined not to exceed such limits.
 */
#define KVM_MEM_MAX_NR_PAGES ((1UL << 31) - 1)

struct kvm_memory_slot {
	gfn_t base_gfn;
	unsigned long npages;
	unsigned long *dirty_bitmap;
	struct kvm_arch_memory_slot arch;
	unsigned long userspace_addr;
	u32 flags;
	short id;
	u16 as_id;
};

static inline bool kvm_slot_dirty_track_enabled(struct kvm_memory_slot *slot)
{
	return slot->flags & KVM_MEM_LOG_DIRTY_PAGES;
}

static inline unsigned long kvm_dirty_bitmap_bytes(struct kvm_memory_slot *memslot)
{
	return ALIGN(memslot->npages, BITS_PER_LONG) / 8;
}

static inline unsigned long *kvm_second_dirty_bitmap(struct kvm_memory_slot *memslot)
{
	unsigned long len = kvm_dirty_bitmap_bytes(memslot);

return memslot->dirty_bitmap + len / sizeof(*memslot->dirty_bitmap);
}

#ifndef KVM_DIRTY_LOG_MANUAL_CAPS
#define KVM_DIRTY_LOG_MANUAL_CAPS KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE
#endif

struct kvm_s390_adapter_int {
	u64 ind_addr;
	u64 summary_addr;
	u64 ind_offset;
	u32 summary_offset;
	u32 adapter_id;
};

struct kvm_hv_sint {
	u32 vcpu;
	u32 sint;
};

struct kvm_kernel_irq_routing_entry {
	u32 gsi;
	u32 type;
	int (*set)(struct kvm_kernel_irq_routing_entry *e,
		   struct kvm *kvm, int irq_source_id, int level,
		   bool line_status);
	union {
		struct {
			unsigned irqchip;
			unsigned pin;
		} irqchip;
		struct {
			u32 address_lo;
			u32 address_hi;
			u32 data;
			u32 flags;
			u32 devid;
		} msi;
		struct kvm_s390_adapter_int adapter;
		struct kvm_hv_sint hv_sint;
	};
	struct hlist_node link;
};

#ifdef CONFIG_HAVE_KVM_IRQ_ROUTING
struct kvm_irq_routing_table {
	int chip[KVM_NR_IRQCHIPS][KVM_IRQCHIP_NUM_PINS];
	u32 nr_rt_entries;
	/*
	 * Array indexed by gsi. Each entry contains list of irq chips
	 * the gsi is connected to.
	 */
	struct hlist_head map[];
};
#endif

#ifndef KVM_PRIVATE_MEM_SLOTS
#define KVM_PRIVATE_MEM_SLOTS 0
#endif

#define KVM_MEM_SLOTS_NUM SHRT_MAX
#define KVM_USER_MEM_SLOTS (KVM_MEM_SLOTS_NUM - KVM_PRIVATE_MEM_SLOTS)

#ifndef __KVM_VCPU_MULTIPLE_ADDRESS_SPACE
static inline int kvm_arch_vcpu_memslots_id(struct kvm_vcpu *vcpu)
{
	return 0;
}
#endif

/*
 * Note:
 * memslots are not sorted by id anymore, please use id_to_memslot()
 * to get the memslot by its id.
 */
struct kvm_memslots {
	u64 generation;
	/* The mapping table from slot id to the index in memslots[]. */
	short id_to_index[KVM_MEM_SLOTS_NUM];
	atomic_t last_used_slot;
	int used_slots;
	struct kvm_memory_slot memslots[];
};

struct kvm {
#ifdef KVM_HAVE_MMU_RWLOCK
	rwlock_t mmu_lock;
#else
	spinlock_t mmu_lock;
#endif /* KVM_HAVE_MMU_RWLOCK */

struct mutex slots_lock;

/*
	 * Protects the arch-specific fields of struct kvm_memory_slots in
	 * use by the VM. To be used under the slots_lock (above) or in a
	 * kvm->srcu critical section where acquiring the slots_lock would
	 * lead to deadlock with the synchronize_srcu in
	 * install_new_memslots.
	 */
	struct mutex slots_arch_lock;
	struct mm_struct *mm; /* userspace tied to this vm */
	struct kvm_memslots __rcu *memslots[KVM_ADDRESS_SPACE_NUM];
	struct kvm_vcpu *vcpus[KVM_MAX_VCPUS];

/* Used to wait for completion of MMU notifiers.  */
	spinlock_t mn_invalidate_lock;
	unsigned long mn_active_invalidate_count;
	struct rcuwait mn_memslots_update_rcuwait;

/*
	 * created_vcpus is protected by kvm->lock, and is incremented
	 * at the beginning of KVM_CREATE_VCPU.  online_vcpus is only
	 * incremented after storing the kvm_vcpu pointer in vcpus,
	 * and is accessed atomically.
	 */
	atomic_t online_vcpus;
	int created_vcpus;
	int last_boosted_vcpu;
	struct list_head vm_list;
	struct mutex lock;
	struct kvm_io_bus __rcu *buses[KVM_NR_BUSES];
#ifdef CONFIG_HAVE_KVM_EVENTFD
	struct {
		spinlock_t        lock;
		struct list_head  items;
		struct list_head  resampler_list;
		struct mutex      resampler_lock;
	} irqfds;
	struct list_head ioeventfds;
#endif
	struct kvm_vm_stat stat;
	struct kvm_arch arch;
	refcount_t users_count;
#ifdef CONFIG_KVM_MMIO
	struct kvm_coalesced_mmio_ring *coalesced_mmio_ring;
	spinlock_t ring_lock;
	struct list_head coalesced_zones;
#endif

struct mutex irq_lock;
#ifdef CONFIG_HAVE_KVM_IRQCHIP
	/*
	 * Update side is protected by irq_lock.
	 */
	struct kvm_irq_routing_table __rcu *irq_routing;
#endif
#ifdef CONFIG_HAVE_KVM_IRQFD
	struct hlist_head irq_ack_notifier_list;
#endif

#if defined(CONFIG_MMU_NOTIFIER) && defined(KVM_ARCH_WANT_MMU_NOTIFIER)
	struct mmu_notifier mmu_notifier;
	unsigned long mmu_notifier_seq;
	long mmu_notifier_count;
	unsigned long mmu_notifier_range_start;
	unsigned long mmu_notifier_range_end;
#endif
	struct list_head devices;
	u64 manual_dirty_log_protect;
	struct dentry *debugfs_dentry;
	struct kvm_stat_data **debugfs_stat_data;
	struct srcu_struct srcu;
	struct srcu_struct irq_srcu;
	pid_t userspace_pid;
	unsigned int max_halt_poll_ns;
	u32 dirty_ring_size;
	bool vm_bugged;

#ifdef CONFIG_HAVE_KVM_PM_NOTIFIER
	struct notifier_block pm_notifier;
#endif
	char stats_id[KVM_STATS_NAME_SIZE];
};

#define kvm_err(fmt, ...) \
	pr_err("kvm [%i]: " fmt, task_pid_nr(current), ## __VA_ARGS__)
#define kvm_info(fmt, ...) \
	pr_info("kvm [%i]: " fmt, task_pid_nr(current), ## __VA_ARGS__)
#define kvm_debug(fmt, ...) \
	pr_debug("kvm [%i]: " fmt, task_pid_nr(current), ## __VA_ARGS__)
#define kvm_debug_ratelimited(fmt, ...) \
	pr_debug_ratelimited("kvm [%i]: " fmt, task_pid_nr(current), \
			     ## __VA_ARGS__)
#define kvm_pr_unimpl(fmt, ...) \
	pr_err_ratelimited("kvm [%i]: " fmt, \
			   task_tgid_nr(current), ## __VA_ARGS__)

/* The guest did something we don't support. */
#define vcpu_unimpl(vcpu, fmt, ...)					\
	kvm_pr_unimpl("vcpu%i, guest rIP: 0x%lx " fmt,			\
			(vcpu)->vcpu_id, kvm_rip_read(vcpu), ## __VA_ARGS__)

#define vcpu_debug(vcpu, fmt, ...)					\
	kvm_debug("vcpu%i " fmt, (vcpu)->vcpu_id, ## __VA_ARGS__)
#define vcpu_debug_ratelimited(vcpu, fmt, ...)				\
	kvm_debug_ratelimited("vcpu%i " fmt, (vcpu)->vcpu_id,           \
			      ## __VA_ARGS__)
#define vcpu_err(vcpu, fmt, ...)					\
	kvm_err("vcpu%i " fmt, (vcpu)->vcpu_id, ## __VA_ARGS__)

static inline void kvm_vm_bugged(struct kvm *kvm)
{
	kvm->vm_bugged = true;
	kvm_make_all_cpus_request(kvm, KVM_REQ_VM_BUGGED);
}

#define KVM_BUG(cond, kvm, fmt...)				\
({								\
	int __ret = (cond);					\
								\
	if (WARN_ONCE(__ret && !(kvm)->vm_bugged, fmt))		\
		kvm_vm_bugged(kvm);				\
	unlikely(__ret);					\
})

#define KVM_BUG_ON(cond, kvm)					\
({								\
	int __ret = (cond);					\
								\
	if (WARN_ON_ONCE(__ret && !(kvm)->vm_bugged))		\
		kvm_vm_bugged(kvm);				\
	unlikely(__ret);					\
})

static inline bool kvm_dirty_log_manual_protect_and_init_set(struct kvm *kvm)
{
	return !!(kvm->manual_dirty_log_protect & KVM_DIRTY_LOG_INITIALLY_SET);
}

static inline struct kvm_io_bus *kvm_get_bus(struct kvm *kvm, enum kvm_bus idx)
{
	return srcu_dereference_check(kvm->buses[idx], &kvm->srcu,
				      lockdep_is_held(&kvm->slots_lock) ||
				      !refcount_read(&kvm->users_count));
}

static inline struct kvm_vcpu *kvm_get_vcpu(struct kvm *kvm, int i)
{
	int num_vcpus = atomic_read(&kvm->online_vcpus);
	i = array_index_nospec(i, num_vcpus);

/* Pairs with smp_wmb() in kvm_vm_ioctl_create_vcpu.  */
	smp_rmb();
	return kvm->vcpus[i];
}

#define kvm_for_each_vcpu(idx, vcpup, kvm) \
	for (idx = 0; \
	     idx < atomic_read(&kvm->online_vcpus) && \
	     (vcpup = kvm_get_vcpu(kvm, idx)) != NULL; \
	     idx++)

static inline struct kvm_vcpu *kvm_get_vcpu_by_id(struct kvm *kvm, int id)
{
	struct kvm_vcpu *vcpu = NULL;
	int i;

if (id < 0)
		return NULL;
	if (id < KVM_MAX_VCPUS)
		vcpu = kvm_get_vcpu(kvm, id);
	if (vcpu && vcpu->vcpu_id == id)
		return vcpu;
	kvm_for_each_vcpu(i, vcpu, kvm)
		if (vcpu->vcpu_id == id)
			return vcpu;
	return NULL;
}

#define kvm_for_each_memslot(memslot, slots)				\
	for (memslot = &slots->memslots[0];				\
	     memslot < slots->memslots + slots->used_slots; memslot++)	\
		if (WARN_ON_ONCE(!memslot->npages)) {			\
		} else

void kvm_vcpu_destroy(struct kvm_vcpu *vcpu);

void vcpu_load(struct kvm_vcpu *vcpu);
void vcpu_put(struct kvm_vcpu *vcpu);

#ifdef __KVM_HAVE_IOAPIC
void kvm_arch_post_irq_ack_notifier_list_update(struct kvm *kvm);
void kvm_arch_post_irq_routing_update(struct kvm *kvm);
#else
static inline void kvm_arch_post_irq_ack_notifier_list_update(struct kvm *kvm)
{
}
static inline void kvm_arch_post_irq_routing_update(struct kvm *kvm)
{
}
#endif

#ifdef CONFIG_HAVE_KVM_IRQFD
int kvm_irqfd_init(void);
void kvm_irqfd_exit(void);
#else
static inline int kvm_irqfd_init(void)
{
	return 0;
}

static inline void kvm_irqfd_exit(void)
{
}
#endif
int kvm_init(void *opaque, unsigned vcpu_size, unsigned vcpu_align,
		  struct module *module);
void kvm_exit(void);

void kvm_get_kvm(struct kvm *kvm);
bool kvm_get_kvm_safe(struct kvm *kvm);
void kvm_put_kvm(struct kvm *kvm);
bool file_is_kvm(struct file *file);
void kvm_put_kvm_no_destroy(struct kvm *kvm);

static inline struct kvm_memslots *__kvm_memslots(struct kvm *kvm, int as_id)
{
	as_id = array_index_nospec(as_id, KVM_ADDRESS_SPACE_NUM);
	return srcu_dereference_check(kvm->memslots[as_id], &kvm->srcu,
			lockdep_is_held(&kvm->slots_lock) ||
			!refcount_read(&kvm->users_count));
}

static inline struct kvm_memslots *kvm_memslots(struct kvm *kvm)
{
	return __kvm_memslots(kvm, 0);
}

static inline struct kvm_memslots *kvm_vcpu_memslots(struct kvm_vcpu *vcpu)
{
	int as_id = kvm_arch_vcpu_memslots_id(vcpu);

return __kvm_memslots(vcpu->kvm, as_id);
}

static inline
struct kvm_memory_slot *id_to_memslot(struct kvm_memslots *slots, int id)
{
	int index = slots->id_to_index[id];
	struct kvm_memory_slot *slot;

if (index < 0)
		return NULL;

slot = &slots->memslots[index];

WARN_ON(slot->id != id);
	return slot;
}

/*
 * KVM_SET_USER_MEMORY_REGION ioctl allows the following operations:
 * - create a new memory slot
 * - delete an existing memory slot
 * - modify an existing memory slot
 *   -- move it in the guest physical memory space
 *   -- just change its flags
 *
 * Since flags can be changed by some of these operations, the following
 * differentiation is the best we can do for __kvm_set_memory_region():
 */
enum kvm_mr_change {
	KVM_MR_CREATE,
	KVM_MR_DELETE,
	KVM_MR_MOVE,
	KVM_MR_FLAGS_ONLY,
};

int kvm_set_memory_region(struct kvm *kvm,
			  const struct kvm_userspace_memory_region *mem);
int __kvm_set_memory_region(struct kvm *kvm,
			    const struct kvm_userspace_memory_region *mem);
void kvm_arch_free_memslot(struct kvm *kvm, struct kvm_memory_slot *slot);
void kvm_arch_memslots_updated(struct kvm *kvm, u64 gen);
int kvm_arch_prepare_memory_region(struct kvm *kvm,
				struct kvm_memory_slot *memslot,
				const struct kvm_userspace_memory_region *mem,
				enum kvm_mr_change change);
void kvm_arch_commit_memory_region(struct kvm *kvm,
				const struct kvm_userspace_memory_region *mem,
				struct kvm_memory_slot *old,
				const struct kvm_memory_slot *new,
				enum kvm_mr_change change);
/* flush all memory translations */
void kvm_arch_flush_shadow_all(struct kvm *kvm);
/* flush memory translations pointing to 'slot' */
void kvm_arch_flush_shadow_memslot(struct kvm *kvm,
				   struct kvm_memory_slot *slot);

int gfn_to_page_many_atomic(struct kvm_memory_slot *slot, gfn_t gfn,
			    struct page **pages, int nr_pages);

struct page *gfn_to_page(struct kvm *kvm, gfn_t gfn);
unsigned long gfn_to_hva(struct kvm *kvm, gfn_t gfn);
unsigned long gfn_to_hva_prot(struct kvm *kvm, gfn_t gfn, bool *writable);
unsigned long gfn_to_hva_memslot(struct kvm_memory_slot *slot, gfn_t gfn);
unsigned long gfn_to_hva_memslot_prot(struct kvm_memory_slot *slot, gfn_t gfn,
				      bool *writable);
void kvm_release_page_clean(struct page *page);
void kvm_release_page_dirty(struct page *page);
void kvm_set_page_accessed(struct page *page);

kvm_pfn_t gfn_to_pfn(struct kvm *kvm, gfn_t gfn);
kvm_pfn_t gfn_to_pfn_prot(struct kvm *kvm, gfn_t gfn, bool write_fault,
		      bool *writable);
kvm_pfn_t gfn_to_pfn_memslot(struct kvm_memory_slot *slot, gfn_t gfn);
kvm_pfn_t gfn_to_pfn_memslot_atomic(struct kvm_memory_slot *slot, gfn_t gfn);
kvm_pfn_t __gfn_to_pfn_memslot(struct kvm_memory_slot *slot, gfn_t gfn,
			       bool atomic, bool *async, bool write_fault,
			       bool *writable, hva_t *hva);

void kvm_release_pfn_clean(kvm_pfn_t pfn);
void kvm_release_pfn_dirty(kvm_pfn_t pfn);
void kvm_set_pfn_dirty(kvm_pfn_t pfn);
void kvm_set_pfn_accessed(kvm_pfn_t pfn);

void kvm_release_pfn(kvm_pfn_t pfn, bool dirty, struct gfn_to_pfn_cache *cache);
int kvm_read_guest_page(struct kvm *kvm, gfn_t gfn, void *data, int offset,
			int len);
int kvm_read_guest(struct kvm *kvm, gpa_t gpa, void *data, unsigned long len);
int kvm_read_guest_cached(struct kvm *kvm, struct gfn_to_hva_cache *ghc,
			   void *data, unsigned long len);
int kvm_read_guest_offset_cached(struct kvm *kvm, struct gfn_to_hva_cache *ghc,
				 void *data, unsigned int offset,
				 unsigned long len);
int kvm_write_guest_page(struct kvm *kvm, gfn_t gfn, const void *data,
			 int offset, int len);
int kvm_write_guest(struct kvm *kvm, gpa_t gpa, const void *data,
		    unsigned long len);
int kvm_write_guest_cached(struct kvm *kvm, struct gfn_to_hva_cache *ghc,
			   void *data, unsigned long len);
int kvm_write_guest_offset_cached(struct kvm *kvm, struct gfn_to_hva_cache *ghc,
				  void *data, unsigned int offset,
				  unsigned long len);
int kvm_gfn_to_hva_cache_init(struct kvm *kvm, struct gfn_to_hva_cache *ghc,
			      gpa_t gpa, unsigned long len);

#define __kvm_get_guest(kvm, gfn, offset, v)				\
({									\
	unsigned long __addr = gfn_to_hva(kvm, gfn);			\
	typeof(v) __user *__uaddr = (typeof(__uaddr))(__addr + offset);	\
	int __ret = -EFAULT;						\
									\
	if (!kvm_is_error_hva(__addr))					\
		__ret = get_user(v, __uaddr);				\
	__ret;								\
})

#define kvm_get_guest(kvm, gpa, v)					\
({									\
	gpa_t __gpa = gpa;						\
	struct kvm *__kvm = kvm;					\
									\
	__kvm_get_guest(__kvm, __gpa >> PAGE_SHIFT,			\
			offset_in_page(__gpa), v);			\
})

#define __kvm_put_guest(kvm, gfn, offset, v)				\
({									\
	unsigned long __addr = gfn_to_hva(kvm, gfn);			\
	typeof(v) __user *__uaddr = (typeof(__uaddr))(__addr + offset);	\
	int __ret = -EFAULT;						\
									\
	if (!kvm_is_error_hva(__addr))					\
		__ret = put_user(v, __uaddr);				\
	if (!__ret)							\
		mark_page_dirty(kvm, gfn);				\
	__ret;								\
})

#define kvm_put_guest(kvm, gpa, v)					\
({									\
	gpa_t __gpa = gpa;						\
	struct kvm *__kvm = kvm;					\
									\
	__kvm_put_guest(__kvm, __gpa >> PAGE_SHIFT,			\
			offset_in_page(__gpa), v);			\
})

int kvm_clear_guest(struct kvm *kvm, gpa_t gpa, unsigned long len);
struct kvm_memory_slot *gfn_to_memslot(struct kvm *kvm, gfn_t gfn);
bool kvm_is_visible_gfn(struct kvm *kvm, gfn_t gfn);
bool kvm_vcpu_is_visible_gfn(struct kvm_vcpu *vcpu, gfn_t gfn);
unsigned long kvm_host_page_size(struct kvm_vcpu *vcpu, gfn_t gfn);
void mark_page_dirty_in_slot(struct kvm *kvm, struct kvm_memory_slot *memslot, gfn_t gfn);
void mark_page_dirty(struct kvm *kvm, gfn_t gfn);

struct kvm_memslots *kvm_vcpu_memslots(struct kvm_vcpu *vcpu);
struct kvm_memory_slot *kvm_vcpu_gfn_to_memslot(struct kvm_vcpu *vcpu, gfn_t gfn);
kvm_pfn_t kvm_vcpu_gfn_to_pfn_atomic(struct kvm_vcpu *vcpu, gfn_t gfn);
kvm_pfn_t kvm_vcpu_gfn_to_pfn(struct kvm_vcpu *vcpu, gfn_t gfn);
int kvm_vcpu_map(struct kvm_vcpu *vcpu, gpa_t gpa, struct kvm_host_map *map);
int kvm_map_gfn(struct kvm_vcpu *vcpu, gfn_t gfn, struct kvm_host_map *map,
		struct gfn_to_pfn_cache *cache, bool atomic);
struct page *kvm_vcpu_gfn_to_page(struct kvm_vcpu *vcpu, gfn_t gfn);
void kvm_vcpu_unmap(struct kvm_vcpu *vcpu, struct kvm_host_map *map, bool dirty);
int kvm_unmap_gfn(struct kvm_vcpu *vcpu, struct kvm_host_map *map,
		  struct gfn_to_pfn_cache *cache, bool dirty, bool atomic);
unsigned long kvm_vcpu_gfn_to_hva(struct kvm_vcpu *vcpu, gfn_t gfn);
unsigned long kvm_vcpu_gfn_to_hva_prot(struct kvm_vcpu *vcpu, gfn_t gfn, bool *writable);
int kvm_vcpu_read_guest_page(struct kvm_vcpu *vcpu, gfn_t gfn, void *data, int offset,
			     int len);
int kvm_vcpu_read_guest_atomic(struct kvm_vcpu *vcpu, gpa_t gpa, void *data,
			       unsigned long len);
int kvm_vcpu_read_guest(struct kvm_vcpu *vcpu, gpa_t gpa, void *data,
			unsigned long len);
int kvm_vcpu_write_guest_page(struct kvm_vcpu *vcpu, gfn_t gfn, const void *data,
			      int offset, int len);
int kvm_vcpu_write_guest(struct kvm_vcpu *vcpu, gpa_t gpa, const void *data,
			 unsigned long len);
void kvm_vcpu_mark_page_dirty(struct kvm_vcpu *vcpu, gfn_t gfn);

void kvm_sigset_activate(struct kvm_vcpu *vcpu);
void kvm_sigset_deactivate(struct kvm_vcpu *vcpu);

void kvm_vcpu_block(struct kvm_vcpu *vcpu);
void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu);
void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu);
bool kvm_vcpu_wake_up(struct kvm_vcpu *vcpu);
void kvm_vcpu_kick(struct kvm_vcpu *vcpu);
int kvm_vcpu_yield_to(struct kvm_vcpu *target);
void kvm_vcpu_on_spin(struct kvm_vcpu *vcpu, bool usermode_vcpu_not_eligible);

void kvm_flush_remote_tlbs(struct kvm *kvm);
void kvm_reload_remote_mmus(struct kvm *kvm);

#ifdef KVM_ARCH_NR_OBJS_PER_MEMORY_CACHE
int kvm_mmu_topup_memory_cache(struct kvm_mmu_memory_cache *mc, int min);
int kvm_mmu_memory_cache_nr_free_objects(struct kvm_mmu_memory_cache *mc);
void kvm_mmu_free_memory_cache(struct kvm_mmu_memory_cache *mc);
void *kvm_mmu_memory_cache_alloc(struct kvm_mmu_memory_cache *mc);
#endif

void kvm_inc_notifier_count(struct kvm *kvm, unsigned long start,
				   unsigned long end);
void kvm_dec_notifier_count(struct kvm *kvm, unsigned long start,
				   unsigned long end);

long kvm_arch_dev_ioctl(struct file *filp,
			unsigned int ioctl, unsigned long arg);
long kvm_arch_vcpu_ioctl(struct file *filp,
			 unsigned int ioctl, unsigned long arg);
vm_fault_t kvm_arch_vcpu_fault(struct kvm_vcpu *vcpu, struct vm_fault *vmf);

int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext);

void kvm_arch_mmu_enable_log_dirty_pt_masked(struct kvm *kvm,
					struct kvm_memory_slot *slot,
					gfn_t gfn_offset,
					unsigned long mask);
void kvm_arch_sync_dirty_log(struct kvm *kvm, struct kvm_memory_slot *memslot);

#ifdef CONFIG_KVM_GENERIC_DIRTYLOG_READ_PROTECT
void kvm_arch_flush_remote_tlbs_memslot(struct kvm *kvm,
					const struct kvm_memory_slot *memslot);
#else /* !CONFIG_KVM_GENERIC_DIRTYLOG_READ_PROTECT */
int kvm_vm_ioctl_get_dirty_log(struct kvm *kvm, struct kvm_dirty_log *log);
int kvm_get_dirty_log(struct kvm *kvm, struct kvm_dirty_log *log,
		      int *is_dirty, struct kvm_memory_slot **memslot);
#endif

int kvm_vm_ioctl_irq_line(struct kvm *kvm, struct kvm_irq_level *irq_level,
			bool line_status);
int kvm_vm_ioctl_enable_cap(struct kvm *kvm,
			    struct kvm_enable_cap *cap);
long kvm_arch_vm_ioctl(struct file *filp,
		       unsigned int ioctl, unsigned long arg);

int kvm_arch_vcpu_ioctl_get_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu);
int kvm_arch_vcpu_ioctl_set_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu);

int kvm_arch_vcpu_ioctl_translate(struct kvm_vcpu *vcpu,
				    struct kvm_translation *tr);

int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs);
int kvm_arch_vcpu_ioctl_set_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs);
int kvm_arch_vcpu_ioctl_get_sregs(struct kvm_vcpu *vcpu,
				  struct kvm_sregs *sregs);
int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu,
				  struct kvm_sregs *sregs);
int kvm_arch_vcpu_ioctl_get_mpstate(struct kvm_vcpu *vcpu,
				    struct kvm_mp_state *mp_state);
int kvm_arch_vcpu_ioctl_set_mpstate(struct kvm_vcpu *vcpu,
				    struct kvm_mp_state *mp_state);
int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu,
					struct kvm_guest_debug *dbg);
int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu);

int kvm_arch_init(void *opaque);
void kvm_arch_exit(void);

void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu);

void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu);
void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu);
int kvm_arch_vcpu_precreate(struct kvm *kvm, unsigned int id);
int kvm_arch_vcpu_create(struct kvm_vcpu *vcpu);
void kvm_arch_vcpu_postcreate(struct kvm_vcpu *vcpu);
void kvm_arch_vcpu_destroy(struct kvm_vcpu *vcpu);

#ifdef CONFIG_HAVE_KVM_PM_NOTIFIER
int kvm_arch_pm_notifier(struct kvm *kvm, unsigned long state);
#endif

#ifdef __KVM_HAVE_ARCH_VCPU_DEBUGFS
void kvm_arch_create_vcpu_debugfs(struct kvm_vcpu *vcpu, struct dentry *debugfs_dentry);
#endif

int kvm_arch_hardware_enable(void);
void kvm_arch_hardware_disable(void);
int kvm_arch_hardware_setup(void *opaque);
void kvm_arch_hardware_unsetup(void);
int kvm_arch_check_processor_compat(void *opaque);
int kvm_arch_vcpu_runnable(struct kvm_vcpu *vcpu);
bool kvm_arch_vcpu_in_kernel(struct kvm_vcpu *vcpu);
int kvm_arch_vcpu_should_kick(struct kvm_vcpu *vcpu);
bool kvm_arch_dy_runnable(struct kvm_vcpu *vcpu);
bool kvm_arch_dy_has_pending_interrupt(struct kvm_vcpu *vcpu);
int kvm_arch_post_init_vm(struct kvm *kvm);
void kvm_arch_pre_destroy_vm(struct kvm *kvm);
int kvm_arch_create_vm_debugfs(struct kvm *kvm);

#ifndef __KVM_HAVE_ARCH_VM_ALLOC
/*
 * All architectures that want to use vzalloc currently also
 * need their own kvm_arch_alloc_vm implementation.
 */
static inline struct kvm *kvm_arch_alloc_vm(void)
{
	return kzalloc(sizeof(struct kvm), GFP_KERNEL);
}

static inline void kvm_arch_free_vm(struct kvm *kvm)
{
	kfree(kvm);
}
#endif

#ifndef __KVM_HAVE_ARCH_FLUSH_REMOTE_TLB
static inline int kvm_arch_flush_remote_tlb(struct kvm *kvm)
{
	return -ENOTSUPP;
}
#endif

#ifdef __KVM_HAVE_ARCH_NONCOHERENT_DMA
void kvm_arch_register_noncoherent_dma(struct kvm *kvm);
void kvm_arch_unregister_noncoherent_dma(struct kvm *kvm);
bool kvm_arch_has_noncoherent_dma(struct kvm *kvm);
#else
static inline void kvm_arch_register_noncoherent_dma(struct kvm *kvm)
{
}

static inline void kvm_arch_unregister_noncoherent_dma(struct kvm *kvm)
{
}

static inline bool kvm_arch_has_noncoherent_dma(struct kvm *kvm)
{
	return false;
}
#endif
#ifdef __KVM_HAVE_ARCH_ASSIGNED_DEVICE
void kvm_arch_start_assignment(struct kvm *kvm);
void kvm_arch_end_assignment(struct kvm *kvm);
bool kvm_arch_has_assigned_device(struct kvm *kvm);
#else
static inline void kvm_arch_start_assignment(struct kvm *kvm)
{
}

static inline void kvm_arch_end_assignment(struct kvm *kvm)
{
}

static inline bool kvm_arch_has_assigned_device(struct kvm *kvm)
{
	return false;
}
#endif

static inline struct rcuwait *kvm_arch_vcpu_get_wait(struct kvm_vcpu *vcpu)
{
#ifdef __KVM_HAVE_ARCH_WQP
	return vcpu->arch.waitp;
#else
	return &vcpu->wait;
#endif
}

#ifdef __KVM_HAVE_ARCH_INTC_INITIALIZED
/*
 * returns true if the virtual interrupt controller is initialized and
 * ready to accept virtual IRQ. On some architectures the virtual interrupt
 * controller is dynamically instantiated and this is not always true.
 */
bool kvm_arch_intc_initialized(struct kvm *kvm);
#else
static inline bool kvm_arch_intc_initialized(struct kvm *kvm)
{
	return true;
}
#endif

int kvm_arch_init_vm(struct kvm *kvm, unsigned long type);
void kvm_arch_destroy_vm(struct kvm *kvm);
void kvm_arch_sync_events(struct kvm *kvm);

int kvm_cpu_has_pending_timer(struct kvm_vcpu *vcpu);

bool kvm_is_reserved_pfn(kvm_pfn_t pfn);
bool kvm_is_zone_device_pfn(kvm_pfn_t pfn);
bool kvm_is_transparent_hugepage(kvm_pfn_t pfn);

struct kvm_irq_ack_notifier {
	struct hlist_node link;
	unsigned gsi;
	void (*irq_acked)(struct kvm_irq_ack_notifier *kian);
};

int kvm_irq_map_gsi(struct kvm *kvm,
		    struct kvm_kernel_irq_routing_entry *entries, int gsi);
int kvm_irq_map_chip_pin(struct kvm *kvm, unsigned irqchip, unsigned pin);

int kvm_set_irq(struct kvm *kvm, int irq_source_id, u32 irq, int level,
		bool line_status);
int kvm_set_msi(struct kvm_kernel_irq_routing_entry *irq_entry, struct kvm *kvm,
		int irq_source_id, int level, bool line_status);
int kvm_arch_set_irq_inatomic(struct kvm_kernel_irq_routing_entry *e,
			       struct kvm *kvm, int irq_source_id,
			       int level, bool line_status);
bool kvm_irq_has_notifier(struct kvm *kvm, unsigned irqchip, unsigned pin);
void kvm_notify_acked_gsi(struct kvm *kvm, int gsi);
void kvm_notify_acked_irq(struct kvm *kvm, unsigned irqchip, unsigned pin);
void kvm_register_irq_ack_notifier(struct kvm *kvm,
				   struct kvm_irq_ack_notifier *kian);
void kvm_unregister_irq_ack_notifier(struct kvm *kvm,
				   struct kvm_irq_ack_notifier *kian);
int kvm_request_irq_source_id(struct kvm *kvm);
void kvm_free_irq_source_id(struct kvm *kvm, int irq_source_id);
bool kvm_arch_irqfd_allowed(struct kvm *kvm, struct kvm_irqfd *args);

/*
 * Returns a pointer to the memslot at slot_index if it contains gfn.
 * Otherwise returns NULL.
 */
static inline struct kvm_memory_slot *
try_get_memslot(struct kvm_memslots *slots, int slot_index, gfn_t gfn)
{
	struct kvm_memory_slot *slot;

if (slot_index < 0 || slot_index >= slots->used_slots)
		return NULL;

/*
	 * slot_index can come from vcpu->last_used_slot which is not kept
	 * in sync with userspace-controllable memslot deletion. So use nospec
	 * to prevent the CPU from speculating past the end of memslots[].
	 */
	slot_index = array_index_nospec(slot_index, slots->used_slots);
	slot = &slots->memslots[slot_index];

if (gfn >= slot->base_gfn && gfn < slot->base_gfn + slot->npages)
		return slot;
	else
		return NULL;
}

/*
 * Returns a pointer to the memslot that contains gfn and records the index of
 * the slot in index. Otherwise returns NULL.
 *
 * IMPORTANT: Slots are sorted from highest GFN to lowest GFN!
 */
static inline struct kvm_memory_slot *
search_memslots(struct kvm_memslots *slots, gfn_t gfn, int *index)
{
	int start = 0, end = slots->used_slots;
	struct kvm_memory_slot *memslots = slots->memslots;
	struct kvm_memory_slot *slot;

if (unlikely(!slots->used_slots))
		return NULL;

while (start < end) {
		int slot = start + (end - start) / 2;

if (gfn >= memslots[slot].base_gfn)
			end = slot;
		else
			start = slot + 1;
	}

slot = try_get_memslot(slots, start, gfn);
	if (slot) {
		*index = start;
		return slot;
	}

return NULL;
}

/*
 * __gfn_to_memslot() and its descendants are here because it is called from
 * non-modular code in arch/powerpc/kvm/book3s_64_vio{,_hv}.c. gfn_to_memslot()
 * itself isn't here as an inline because that would bloat other code too much.
 */
static inline struct kvm_memory_slot *
__gfn_to_memslot(struct kvm_memslots *slots, gfn_t gfn)
{
	struct kvm_memory_slot *slot;
	int slot_index = atomic_read(&slots->last_used_slot);

slot = try_get_memslot(slots, slot_index, gfn);
	if (slot)
		return slot;

slot = search_memslots(slots, gfn, &slot_index);
	if (slot) {
		atomic_set(&slots->last_used_slot, slot_index);
		return slot;
	}

return NULL;
}

static inline unsigned long
__gfn_to_hva_memslot(const struct kvm_memory_slot *slot, gfn_t gfn)
{
	/*
	 * The index was checked originally in search_memslots.  To avoid
	 * that a malicious guest builds a Spectre gadget out of e.g. page
	 * table walks, do not let the processor speculate loads outside
	 * the guest's registered memslots.
	 */
	unsigned long offset = gfn - slot->base_gfn;
	offset = array_index_nospec(offset, slot->npages);
	return slot->userspace_addr + offset * PAGE_SIZE;
}

static inline int memslot_id(struct kvm *kvm, gfn_t gfn)
{
	return gfn_to_memslot(kvm, gfn)->id;
}

static inline gfn_t
hva_to_gfn_memslot(unsigned long hva, struct kvm_memory_slot *slot)
{
	gfn_t gfn_offset = (hva - slot->userspace_addr) >> PAGE_SHIFT;

return slot->base_gfn + gfn_offset;
}

static inline gpa_t gfn_to_gpa(gfn_t gfn)
{
	return (gpa_t)gfn << PAGE_SHIFT;
}

static inline gfn_t gpa_to_gfn(gpa_t gpa)
{
	return (gfn_t)(gpa >> PAGE_SHIFT);
}

static inline hpa_t pfn_to_hpa(kvm_pfn_t pfn)
{
	return (hpa_t)pfn << PAGE_SHIFT;
}

static inline struct page *kvm_vcpu_gpa_to_page(struct kvm_vcpu *vcpu,
						gpa_t gpa)
{
	return kvm_vcpu_gfn_to_page(vcpu, gpa_to_gfn(gpa));
}

static inline bool kvm_is_error_gpa(struct kvm *kvm, gpa_t gpa)
{
	unsigned long hva = gfn_to_hva(kvm, gpa_to_gfn(gpa));

return kvm_is_error_hva(hva);
}

enum kvm_stat_kind {
	KVM_STAT_VM,
	KVM_STAT_VCPU,
};

struct kvm_stat_data {
	struct kvm *kvm;
	const struct _kvm_stats_desc *desc;
	enum kvm_stat_kind kind;
};

struct _kvm_stats_desc {
	struct kvm_stats_desc desc;
	char name[KVM_STATS_NAME_SIZE];
};

#define STATS_DESC_COMMON(type, unit, base, exp, sz, bsz)		       \
	.flags = type | unit | base |					       \
		 BUILD_BUG_ON_ZERO(type & ~KVM_STATS_TYPE_MASK) |	       \
		 BUILD_BUG_ON_ZERO(unit & ~KVM_STATS_UNIT_MASK) |	       \
		 BUILD_BUG_ON_ZERO(base & ~KVM_STATS_BASE_MASK),	       \
	.exponent = exp,						       \
	.size = sz,							       \
	.bucket_size = bsz

#define VM_GENERIC_STATS_DESC(stat, type, unit, base, exp, sz, bsz)	       \
	{								       \
		{							       \
			STATS_DESC_COMMON(type, unit, base, exp, sz, bsz),     \
			.offset = offsetof(struct kvm_vm_stat, generic.stat)   \
		},							       \
		.name = #stat,						       \
	}
#define VCPU_GENERIC_STATS_DESC(stat, type, unit, base, exp, sz, bsz)	       \
	{								       \
		{							       \
			STATS_DESC_COMMON(type, unit, base, exp, sz, bsz),     \
			.offset = offsetof(struct kvm_vcpu_stat, generic.stat) \
		},							       \
		.name = #stat,						       \
	}
#define VM_STATS_DESC(stat, type, unit, base, exp, sz, bsz)		       \
	{								       \
		{							       \
			STATS_DESC_COMMON(type, unit, base, exp, sz, bsz),     \
			.offset = offsetof(struct kvm_vm_stat, stat)	       \
		},							       \
		.name = #stat,						       \
	}
#define VCPU_STATS_DESC(stat, type, unit, base, exp, sz, bsz)		       \
	{								       \
		{							       \
			STATS_DESC_COMMON(type, unit, base, exp, sz, bsz),     \
			.offset = offsetof(struct kvm_vcpu_stat, stat)	       \
		},							       \
		.name = #stat,						       \
	}
/* SCOPE: VM, VM_GENERIC, VCPU, VCPU_GENERIC */
#define STATS_DESC(SCOPE, stat, type, unit, base, exp, sz, bsz)		       \
	SCOPE##_STATS_DESC(stat, type, unit, base, exp, sz, bsz)

#define STATS_DESC_CUMULATIVE(SCOPE, name, unit, base, exponent)	       \
	STATS_DESC(SCOPE, name, KVM_STATS_TYPE_CUMULATIVE,		       \
		unit, base, exponent, 1, 0)
#define STATS_DESC_INSTANT(SCOPE, name, unit, base, exponent)		       \
	STATS_DESC(SCOPE, name, KVM_STATS_TYPE_INSTANT,			       \
		unit, base, exponent, 1, 0)
#define STATS_DESC_PEAK(SCOPE, name, unit, base, exponent)		       \
	STATS_DESC(SCOPE, name, KVM_STATS_TYPE_PEAK,			       \
		unit, base, exponent, 1, 0)
#define STATS_DESC_LINEAR_HIST(SCOPE, name, unit, base, exponent, sz, bsz)     \
	STATS_DESC(SCOPE, name, KVM_STATS_TYPE_LINEAR_HIST,		       \
		unit, base, exponent, sz, bsz)
#define STATS_DESC_LOG_HIST(SCOPE, name, unit, base, exponent, sz)	       \
	STATS_DESC(SCOPE, name, KVM_STATS_TYPE_LOG_HIST,		       \
		unit, base, exponent, sz, 0)

/* Cumulative counter, read/write */
#define STATS_DESC_COUNTER(SCOPE, name)					       \
	STATS_DESC_CUMULATIVE(SCOPE, name, KVM_STATS_UNIT_NONE,		       \
		KVM_STATS_BASE_POW10, 0)
/* Instantaneous counter, read only */
#define STATS_DESC_ICOUNTER(SCOPE, name)				       \
	STATS_DESC_INSTANT(SCOPE, name, KVM_STATS_UNIT_NONE,		       \
		KVM_STATS_BASE_POW10, 0)
/* Peak counter, read/write */
#define STATS_DESC_PCOUNTER(SCOPE, name)				       \
	STATS_DESC_PEAK(SCOPE, name, KVM_STATS_UNIT_NONE,		       \
		KVM_STATS_BASE_POW10, 0)

/* Cumulative time in nanosecond */
#define STATS_DESC_TIME_NSEC(SCOPE, name)				       \
	STATS_DESC_CUMULATIVE(SCOPE, name, KVM_STATS_UNIT_SECONDS,	       \
		KVM_STATS_BASE_POW10, -9)
/* Linear histogram for time in nanosecond */
#define STATS_DESC_LINHIST_TIME_NSEC(SCOPE, name, sz, bsz)		       \
	STATS_DESC_LINEAR_HIST(SCOPE, name, KVM_STATS_UNIT_SECONDS,	       \
		KVM_STATS_BASE_POW10, -9, sz, bsz)
/* Logarithmic histogram for time in nanosecond */
#define STATS_DESC_LOGHIST_TIME_NSEC(SCOPE, name, sz)			       \
	STATS_DESC_LOG_HIST(SCOPE, name, KVM_STATS_UNIT_SECONDS,	       \
		KVM_STATS_BASE_POW10, -9, sz)

#define KVM_GENERIC_VM_STATS()						       \
	STATS_DESC_COUNTER(VM_GENERIC, remote_tlb_flush),		       \
	STATS_DESC_COUNTER(VM_GENERIC, remote_tlb_flush_requests)

#define KVM_GENERIC_VCPU_STATS()					       \
	STATS_DESC_COUNTER(VCPU_GENERIC, halt_successful_poll),		       \
	STATS_DESC_COUNTER(VCPU_GENERIC, halt_attempted_poll),		       \
	STATS_DESC_COUNTER(VCPU_GENERIC, halt_poll_invalid),		       \
	STATS_DESC_COUNTER(VCPU_GENERIC, halt_wakeup),			       \
	STATS_DESC_TIME_NSEC(VCPU_GENERIC, halt_poll_success_ns),	       \
	STATS_DESC_TIME_NSEC(VCPU_GENERIC, halt_poll_fail_ns),		       \
	STATS_DESC_TIME_NSEC(VCPU_GENERIC, halt_wait_ns),		       \
	STATS_DESC_LOGHIST_TIME_NSEC(VCPU_GENERIC, halt_poll_success_hist,     \
			HALT_POLL_HIST_COUNT),				       \
	STATS_DESC_LOGHIST_TIME_NSEC(VCPU_GENERIC, halt_poll_fail_hist,	       \
			HALT_POLL_HIST_COUNT),				       \
	STATS_DESC_LOGHIST_TIME_NSEC(VCPU_GENERIC, halt_wait_hist,	       \
			HALT_POLL_HIST_COUNT)

extern struct dentry *kvm_debugfs_dir;

ssize_t kvm_stats_read(char *id, const struct kvm_stats_header *header,
		       const struct _kvm_stats_desc *desc,
		       void *stats, size_t size_stats,
		       char __user *user_buffer, size_t size, loff_t *offset);

/**
 * kvm_stats_linear_hist_update() - Update bucket value for linear histogram
 * statistics data.
 *
 * @data: start address of the stats data
 * @size: the number of bucket of the stats data
 * @value: the new value used to update the linear histogram's bucket
 * @bucket_size: the size (width) of a bucket
 */
static inline void kvm_stats_linear_hist_update(u64 *data, size_t size,
						u64 value, size_t bucket_size)
{
	size_t index = div64_u64(value, bucket_size);

index = min(index, size - 1);
	++data[index];
}

/**
 * kvm_stats_log_hist_update() - Update bucket value for logarithmic histogram
 * statistics data.
 *
 * @data: start address of the stats data
 * @size: the number of bucket of the stats data
 * @value: the new value used to update the logarithmic histogram's bucket
 */
static inline void kvm_stats_log_hist_update(u64 *data, size_t size, u64 value)
{
	size_t index = fls64(value);

index = min(index, size - 1);
	++data[index];
}

#define KVM_STATS_LINEAR_HIST_UPDATE(array, value, bsize)		       \
	kvm_stats_linear_hist_update(array, ARRAY_SIZE(array), value, bsize)
#define KVM_STATS_LOG_HIST_UPDATE(array, value)				       \
	kvm_stats_log_hist_update(array, ARRAY_SIZE(array), value)

extern const struct kvm_stats_header kvm_vm_stats_header;
extern const struct _kvm_stats_desc kvm_vm_stats_desc[];
extern const struct kvm_stats_header kvm_vcpu_stats_header;
extern const struct _kvm_stats_desc kvm_vcpu_stats_desc[];

#if defined(CONFIG_MMU_NOTIFIER) && defined(KVM_ARCH_WANT_MMU_NOTIFIER)
static inline int mmu_notifier_retry(struct kvm *kvm, unsigned long mmu_seq)
{
	if (unlikely(kvm->mmu_notifier_count))
		return 1;
	/*
	 * Ensure the read of mmu_notifier_count happens before the read
	 * of mmu_notifier_seq.  This interacts with the smp_wmb() in
	 * mmu_notifier_invalidate_range_end to make sure that the caller
	 * either sees the old (non-zero) value of mmu_notifier_count or
	 * the new (incremented) value of mmu_notifier_seq.
	 * PowerPC Book3s HV KVM calls this under a per-page lock
	 * rather than under kvm->mmu_lock, for scalability, so
	 * can't rely on kvm->mmu_lock to keep things ordered.
	 */
	smp_rmb();
	if (kvm->mmu_notifier_seq != mmu_seq)
		return 1;
	return 0;
}

static inline int mmu_notifier_retry_hva(struct kvm *kvm,
					 unsigned long mmu_seq,
					 unsigned long hva)
{
	lockdep_assert_held(&kvm->mmu_lock);
	/*
	 * If mmu_notifier_count is non-zero, then the range maintained by
	 * kvm_mmu_notifier_invalidate_range_start contains all addresses that
	 * might be being invalidated. Note that it may include some false
	 * positives, due to shortcuts when handing concurrent invalidations.
	 */
	if (unlikely(kvm->mmu_notifier_count) &&
	    hva >= kvm->mmu_notifier_range_start &&
	    hva < kvm->mmu_notifier_range_end)
		return 1;
	if (kvm->mmu_notifier_seq != mmu_seq)
		return 1;
	return 0;
}
#endif

#ifdef CONFIG_HAVE_KVM_IRQ_ROUTING

#define KVM_MAX_IRQ_ROUTES 4096 /* might need extension/rework in the future */

bool kvm_arch_can_set_irq_routing(struct kvm *kvm);
int kvm_set_irq_routing(struct kvm *kvm,
			const struct kvm_irq_routing_entry *entries,
			unsigned nr,
			unsigned flags);
int kvm_set_routing_entry(struct kvm *kvm,
			  struct kvm_kernel_irq_routing_entry *e,
			  const struct kvm_irq_routing_entry *ue);
void kvm_free_irq_routing(struct kvm *kvm);

#else

static inline void kvm_free_irq_routing(struct kvm *kvm) {}

#endif

int kvm_send_userspace_msi(struct kvm *kvm, struct kvm_msi *msi);

#ifdef CONFIG_HAVE_KVM_EVENTFD

void kvm_eventfd_init(struct kvm *kvm);
int kvm_ioeventfd(struct kvm *kvm, struct kvm_ioeventfd *args);

#ifdef CONFIG_HAVE_KVM_IRQFD
int kvm_irqfd(struct kvm *kvm, struct kvm_irqfd *args);
void kvm_irqfd_release(struct kvm *kvm);
void kvm_irq_routing_update(struct kvm *);
#else
static inline int kvm_irqfd(struct kvm *kvm, struct kvm_irqfd *args)
{
	return -EINVAL;
}

static inline void kvm_irqfd_release(struct kvm *kvm) {}
#endif

#else

static inline void kvm_eventfd_init(struct kvm *kvm) {}

static inline int kvm_irqfd(struct kvm *kvm, struct kvm_irqfd *args)
{
	return -EINVAL;
}

static inline void kvm_irqfd_release(struct kvm *kvm) {}

#ifdef CONFIG_HAVE_KVM_IRQCHIP
static inline void kvm_irq_routing_update(struct kvm *kvm)
{
}
#endif

static inline int kvm_ioeventfd(struct kvm *kvm, struct kvm_ioeventfd *args)
{
	return -ENOSYS;
}

#endif /* CONFIG_HAVE_KVM_EVENTFD */

void kvm_arch_irq_routing_update(struct kvm *kvm);

static inline void kvm_make_request(int req, struct kvm_vcpu *vcpu)
{
	/*
	 * Ensure the rest of the request is published to kvm_check_request's
	 * caller.  Paired with the smp_mb__after_atomic in kvm_check_request.
	 */
	smp_wmb();
	set_bit(req & KVM_REQUEST_MASK, (void *)&vcpu->requests);
}

static inline bool kvm_request_pending(struct kvm_vcpu *vcpu)
{
	return READ_ONCE(vcpu->requests);
}

static inline bool kvm_test_request(int req, struct kvm_vcpu *vcpu)
{
	return test_bit(req & KVM_REQUEST_MASK, (void *)&vcpu->requests);
}

static inline void kvm_clear_request(int req, struct kvm_vcpu *vcpu)
{
	clear_bit(req & KVM_REQUEST_MASK, (void *)&vcpu->requests);
}

static inline bool kvm_check_request(int req, struct kvm_vcpu *vcpu)
{
	if (kvm_test_request(req, vcpu)) {
		kvm_clear_request(req, vcpu);

/*
		 * Ensure the rest of the request is visible to kvm_check_request's
		 * caller.  Paired with the smp_wmb in kvm_make_request.
		 */
		smp_mb__after_atomic();
		return true;
	} else {
		return false;
	}
}

extern bool kvm_rebooting;

extern unsigned int halt_poll_ns;
extern unsigned int halt_poll_ns_grow;
extern unsigned int halt_poll_ns_grow_start;
extern unsigned int halt_poll_ns_shrink;

struct kvm_device {
	const struct kvm_device_ops *ops;
	struct kvm *kvm;
	void *private;
	struct list_head vm_node;
};

/* create, destroy, and name are mandatory */
struct kvm_device_ops {
	const char *name;

/*
	 * create is called holding kvm->lock and any operations not suitable
	 * to do while holding the lock should be deferred to init (see
	 * below).
	 */
	int (*create)(struct kvm_device *dev, u32 type);

/*
	 * init is called after create if create is successful and is called
	 * outside of holding kvm->lock.
	 */
	void (*init)(struct kvm_device *dev);

/*
	 * Destroy is responsible for freeing dev.
	 *
	 * Destroy may be called before or after destructors are called
	 * on emulated I/O regions, depending on whether a reference is
	 * held by a vcpu or other kvm component that gets destroyed
	 * after the emulated I/O.
	 */
	void (*destroy)(struct kvm_device *dev);

/*
	 * Release is an alternative method to free the device. It is
	 * called when the device file descriptor is closed. Once
	 * release is called, the destroy method will not be called
	 * anymore as the device is removed from the device list of
	 * the VM. kvm->lock is held.
	 */
	void (*release)(struct kvm_device *dev);

int (*set_attr)(struct kvm_device *dev, struct kvm_device_attr *attr);
	int (*get_attr)(struct kvm_device *dev, struct kvm_device_attr *attr);
	int (*has_attr)(struct kvm_device *dev, struct kvm_device_attr *attr);
	long (*ioctl)(struct kvm_device *dev, unsigned int ioctl,
		      unsigned long arg);
	int (*mmap)(struct kvm_device *dev, struct vm_area_struct *vma);
};

void kvm_device_get(struct kvm_device *dev);
void kvm_device_put(struct kvm_device *dev);
struct kvm_device *kvm_device_from_filp(struct file *filp);
int kvm_register_device_ops(const struct kvm_device_ops *ops, u32 type);
void kvm_unregister_device_ops(u32 type);

extern struct kvm_device_ops kvm_mpic_ops;
extern struct kvm_device_ops kvm_arm_vgic_v2_ops;
extern struct kvm_device_ops kvm_arm_vgic_v3_ops;

#ifdef CONFIG_HAVE_KVM_CPU_RELAX_INTERCEPT

static inline void kvm_vcpu_set_in_spin_loop(struct kvm_vcpu *vcpu, bool val)
{
	vcpu->spin_loop.in_spin_loop = val;
}
static inline void kvm_vcpu_set_dy_eligible(struct kvm_vcpu *vcpu, bool val)
{
	vcpu->spin_loop.dy_eligible = val;
}

#else /* !CONFIG_HAVE_KVM_CPU_RELAX_INTERCEPT */

static inline void kvm_vcpu_set_in_spin_loop(struct kvm_vcpu *vcpu, bool val)
{
}

static inline void kvm_vcpu_set_dy_eligible(struct kvm_vcpu *vcpu, bool val)
{
}
#endif /* CONFIG_HAVE_KVM_CPU_RELAX_INTERCEPT */

static inline bool kvm_is_visible_memslot(struct kvm_memory_slot *memslot)
{
	return (memslot && memslot->id < KVM_USER_MEM_SLOTS &&
		!(memslot->flags & KVM_MEMSLOT_INVALID));
}

struct kvm_vcpu *kvm_get_running_vcpu(void);
struct kvm_vcpu * __percpu *kvm_get_running_vcpus(void);

#ifdef CONFIG_HAVE_KVM_IRQ_BYPASS
bool kvm_arch_has_irq_bypass(void);
int kvm_arch_irq_bypass_add_producer(struct irq_bypass_consumer *,
			   struct irq_bypass_producer *);
void kvm_arch_irq_bypass_del_producer(struct irq_bypass_consumer *,
			   struct irq_bypass_producer *);
void kvm_arch_irq_bypass_stop(struct irq_bypass_consumer *);
void kvm_arch_irq_bypass_start(struct irq_bypass_consumer *);
int kvm_arch_update_irqfd_routing(struct kvm *kvm, unsigned int host_irq,
				  uint32_t guest_irq, bool set);
#endif /* CONFIG_HAVE_KVM_IRQ_BYPASS */

#ifdef CONFIG_HAVE_KVM_INVALID_WAKEUPS
/* If we wakeup during the poll time, was it a sucessful poll? */
static inline bool vcpu_valid_wakeup(struct kvm_vcpu *vcpu)
{
	return vcpu->valid_wakeup;
}

#else
static inline bool vcpu_valid_wakeup(struct kvm_vcpu *vcpu)
{
	return true;
}
#endif /* CONFIG_HAVE_KVM_INVALID_WAKEUPS */

#ifdef CONFIG_HAVE_KVM_NO_POLL
/* Callback that tells if we must not poll */
bool kvm_arch_no_poll(struct kvm_vcpu *vcpu);
#else
static inline bool kvm_arch_no_poll(struct kvm_vcpu *vcpu)
{
	return false;
}
#endif /* CONFIG_HAVE_KVM_NO_POLL */

#ifdef CONFIG_HAVE_KVM_VCPU_ASYNC_IOCTL
long kvm_arch_vcpu_async_ioctl(struct file *filp,
			       unsigned int ioctl, unsigned long arg);
#else
static inline long kvm_arch_vcpu_async_ioctl(struct file *filp,
					     unsigned int ioctl,
					     unsigned long arg)
{
	return -ENOIOCTLCMD;
}
#endif /* CONFIG_HAVE_KVM_VCPU_ASYNC_IOCTL */

void kvm_arch_mmu_notifier_invalidate_range(struct kvm *kvm,
					    unsigned long start, unsigned long end);

#ifdef CONFIG_HAVE_KVM_VCPU_RUN_PID_CHANGE
int kvm_arch_vcpu_run_pid_change(struct kvm_vcpu *vcpu);
#else
static inline int kvm_arch_vcpu_run_pid_change(struct kvm_vcpu *vcpu)
{
	return 0;
}
#endif /* CONFIG_HAVE_KVM_VCPU_RUN_PID_CHANGE */

typedef int (*kvm_vm_thread_fn_t)(struct kvm *kvm, uintptr_t data);

int kvm_vm_create_worker_thread(struct kvm *kvm, kvm_vm_thread_fn_t thread_fn,
				uintptr_t data, const char *name,
				struct task_struct **thread_ptr);

#ifdef CONFIG_KVM_XFER_TO_GUEST_WORK
static inline void kvm_handle_signal_exit(struct kvm_vcpu *vcpu)
{
	vcpu->run->exit_reason = KVM_EXIT_INTR;
	vcpu->stat.signal_exits++;
}
#endif /* CONFIG_KVM_XFER_TO_GUEST_WORK */

/*
 * This defines how many reserved entries we want to keep before we
 * kick the vcpu to the userspace to avoid dirty ring full.  This
 * value can be tuned to higher if e.g. PML is enabled on the host.
 */
#define  KVM_DIRTY_RING_RSVD_ENTRIES  64

/* Max number of entries allowed for each kvm dirty ring */
#define  KVM_DIRTY_RING_MAX_ENTRIES  65536

#endif

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Code Editor : kvm_host.h