FM / linux

/usr/src/kernels/4.18.0-553.121.1.el8_10.x86_64/include/linux/

/usr/src/kernels/4.18.0-553.121.1.el8_10.x86_64/include/linux

Name	Size	Mode	Actions
amba/	-	0755	rm
avf/	-	0755	rm
bcma/	-	0755	rm
byteorder/	-	0755	rm
can/	-	0755	rm
ceph/	-	0755	rm
clk/	-	0755	rm
crush/	-	0755	rm
decompress/	-	0755	rm
dma/	-	0755	rm
dsa/	-	0755	rm
extcon/	-	0755	rm
firmware/	-	0755	rm
fpga/	-	0755	rm
fsl/	-	0755	rm
gpio/	-	0755	rm
hsi/	-	0755	rm
iio/	-	0755	rm
input/	-	0755	rm
irqchip/	-	0755	rm
isdn/	-	0755	rm
lockd/	-	0755	rm
mailbox/	-	0755	rm
mfd/	-	0755	rm
mlx4/	-	0755	rm
mlx5/	-	0755	rm
mmc/	-	0755	rm
mtd/	-	0755	rm
mux/	-	0755	rm
net/	-	0755	rm
netfilter/	-	0755	rm
netfilter_arp/	-	0755	rm
netfilter_bridge/	-	0755	rm
netfilter_ipv4/	-	0755	rm
netfilter_ipv6/	-	0755	rm
pcs/	-	0755	rm
perf/	-	0755	rm
phy/	-	0755	rm
pinctrl/	-	0755	rm
platform_data/	-	0755	rm
power/	-	0755	rm
qed/	-	0755	rm
raid/	-	0755	rm
regulator/	-	0755	rm
remoteproc/	-	0755	rm
reset/	-	0755	rm
rpmsg/	-	0755	rm
rtc/	-	0755	rm
sched/	-	0755	rm
soc/	-	0755	rm
soundwire/	-	0755	rm
spi/	-	0755	rm
ssb/	-	0755	rm
sunrpc/	-	0755	rm
ulpi/	-	0755	rm
unaligned/	-	0755	rm
usb/	-	0755	rm
uwb/	-	0755	rm
wimax/	-	0755	rm
8250_pci.h	1038	0644	edit dl rm
a.out.h	354	0644	edit dl rm
acct.h	2551	0644	edit dl rm
acpi.h	43130	0644	edit dl rm
acpi_apmt.h	367	0644	edit dl rm
acpi_dma.h	3300	0644	edit dl rm
acpi_iort.h	3235	0644	edit dl rm
acpi_pmtmr.h	674	0644	edit dl rm
adb.h	1832	0644	edit dl rm
adfs_fs.h	574	0644	edit dl rm
adxl.h	310	0644	edit dl rm
aer.h	1822	0644	edit dl rm
agpgart.h	3908	0644	edit dl rm
agp_backend.h	3534	0644	edit dl rm
ahci-remap.h	607	0644	edit dl rm
ahci_platform.h	1772	0644	edit dl rm
aio.h	651	0644	edit dl rm
alarmtimer.h	1875	0644	edit dl rm
altera_jtaguart.h	379	0644	edit dl rm
altera_uart.h	397	0644	edit dl rm
amd-iommu.h	6931	0644	edit dl rm
amd-pstate.h	3356	0644	edit dl rm
anon_inodes.h	494	0644	edit dl rm
aperture.h	1619	0644	edit dl rm
apm-emulation.h	1575	0644	edit dl rm
apm_bios.h	2746	0644	edit dl rm
apple-gmux.h	1459	0644	edit dl rm
apple_bl.h	498	0644	edit dl rm
arch_topology.h	1983	0644	edit dl rm
arm-cci.h	2058	0644	edit dl rm
arm-smccc.h	16066	0644	edit dl rm
arm_sdei.h	2641	0644	edit dl rm
ascii85.h	532	0644	edit dl rm
asn1.h	2039	0644	edit dl rm
asn1_ber_bytecode.h	2783	0644	edit dl rm
asn1_decoder.h	675	0644	edit dl rm
assoc_array.h	3156	0644	edit dl rm
assoc_array_priv.h	5630	0644	edit dl rm
async.h	4591	0644	edit dl rm
async_tx.h	7487	0644	edit dl rm
ata.h	33980	0644	edit dl rm
atalk.h	4550	0644	edit dl rm
ata_platform.h	729	0644	edit dl rm
ath9k_platform.h	1477	0644	edit dl rm
atm.h	287	0644	edit dl rm
atmdev.h	10457	0644	edit dl rm
atmel-mci.h	1429	0644	edit dl rm
atmel-ssc.h	9971	0644	edit dl rm
atmel_pdc.h	1502	0644	edit dl rm
atmel_tc.h	11600	0644	edit dl rm
atm_suni.h	253	0644	edit dl rm
atm_tcp.h	511	0644	edit dl rm
atomic.h	37546	0644	edit dl rm
attribute_container.h	2799	0644	edit dl rm
audit.h	20332	0644	edit dl rm
audit_arch.h	559	0644	edit dl rm
auto_dev-ioctl.h	454	0644	edit dl rm
auto_fs.h	436	0644	edit dl rm
auxiliary_bus.h	2787	0644	edit dl rm
auxvec.h	304	0644	edit dl rm
average.h	2481	0644	edit dl rm
b1pcmcia.h	666	0644	edit dl rm
backing-dev-defs.h	10327	0644	edit dl rm
backing-dev.h	12260	0644	edit dl rm
backlight.h	13447	0644	edit dl rm
badblocks.h	2188	0644	edit dl rm
balloon_compaction.h	6745	0644	edit dl rm
bcd.h	559	0644	edit dl rm
bch.h	2660	0644	edit dl rm
bcm47xx_nvram.h	1247	0644	edit dl rm
bcm47xx_sprom.h	600	0644	edit dl rm
bcm47xx_wdt.h	555	0644	edit dl rm
bcm963xx_nvram.h	3036	0644	edit dl rm
bcm963xx_tag.h	3685	0644	edit dl rm
binfmts.h	5443	0644	edit dl rm
bio.h	20690	0644	edit dl rm
bitfield.h	5899	0644	edit dl rm
bitmap.h	21496	0644	edit dl rm
bitops.h	8870	0644	edit dl rm
bitrev.h	2541	0644	edit dl rm
bits.h	1512	0644	edit dl rm
bit_spinlock.h	2360	0644	edit dl rm
blk-cgroup.h	22728	0644	edit dl rm
blk-mq-pci.h	269	0644	edit dl rm
blk-mq-rdma.h	234	0644	edit dl rm
blk-mq-virtio.h	293	0644	edit dl rm
blk-mq.h	16074	0644	edit dl rm
blk-pm.h	717	0644	edit dl rm
blkdev.h	58898	0644	edit dl rm
blkpg.h	436	0644	edit dl rm
blktrace_api.h	3777	0644	edit dl rm
blk_types.h	15342	0644	edit dl rm
blockgroup_lock.h	810	0644	edit dl rm
bma150.h	1938	0644	edit dl rm
bottom_half.h	803	0644	edit dl rm
bpf-cgroup.h	19818	0644	edit dl rm
bpf-netns.h	1559	0644	edit dl rm
bpf.h	72824	0644	edit dl rm
bpfilter.h	791	0644	edit dl rm
bpfptr.h	1733	0644	edit dl rm
bpf_lirc.h	698	0644	edit dl rm
bpf_local_storage.h	5349	0644	edit dl rm
bpf_lsm.h	1431	0644	edit dl rm
bpf_trace.h	166	0644	edit dl rm
bpf_types.h	5395	0644	edit dl rm
bpf_verifier.h	18791	0644	edit dl rm
brcmphy.h	14023	0644	edit dl rm
bsearch.h	275	0644	edit dl rm
bsg-lib.h	2455	0644	edit dl rm
bsg.h	1094	0644	edit dl rm
btf.h	7363	0644	edit dl rm
btf_ids.h	5174	0644	edit dl rm
btree-128.h	2737	0644	edit dl rm
btree-type.h	3991	0644	edit dl rm
btree.h	6999	0644	edit dl rm
btrfs.h	145	0644	edit dl rm
buffer_head.h	14379	0644	edit dl rm
bug.h	1967	0644	edit dl rm
buildid.h	248	0644	edit dl rm
build_bug.h	3066	0644	edit dl rm
bvec.h	4119	0644	edit dl rm
c2port.h	1529	0644	edit dl rm
cache.h	2182	0644	edit dl rm
cacheinfo.h	4796	0644	edit dl rm
capability.h	8179	0644	edit dl rm
cb710.h	5827	0644	edit dl rm
cciss_ioctl.h	1053	0644	edit dl rm
ccp.h	18697	0644	edit dl rm
cc_platform.h	3140	0644	edit dl rm
cdev.h	845	0644	edit dl rm
cdrom.h	9193	0644	edit dl rm
cfag12864b.h	1499	0644	edit dl rm
cgroup-defs.h	27242	0644	edit dl rm
cgroup.h	28880	0644	edit dl rm
cgroup_rdma.h	1358	0644	edit dl rm
cgroup_subsys.h	1259	0644	edit dl rm
circ_buf.h	1120	0644	edit dl rm
cleancache.h	3982	0644	edit dl rm
cleanup.h	14215	0644	edit dl rm
clk-provider.h	37542	0644	edit dl rm
clk.h	25157	0644	edit dl rm
clkdev.h	1698	0644	edit dl rm
clockchips.h	7445	0644	edit dl rm
clocksource.h	9188	0644	edit dl rm
clock_cooling.h	2106	0644	edit dl rm
cm4000_cs.h	199	0644	edit dl rm
cma.h	1212	0644	edit dl rm
cmdline-parser.h	1238	0644	edit dl rm
cnt32_to_63.h	3691	0644	edit dl rm
cn_proc.h	1890	0644	edit dl rm
coda.h	2244	0644	edit dl rm
coda_psdev.h	2692	0644	edit dl rm
compaction.h	7654	0644	edit dl rm
compat.h	35739	0644	edit dl rm
compat_time.h	499	0644	edit dl rm
compiler-clang.h	2446	0644	edit dl rm
compiler-gcc.h	5756	0644	edit dl rm
compiler-intel.h	949	0644	edit dl rm
compiler.h	15718	0644	edit dl rm
compiler_attributes.h	10600	0644	edit dl rm
compiler_types.h	6931	0644	edit dl rm
completion.h	4201	0644	edit dl rm
component.h	4459	0644	edit dl rm
concap.h	3778	0644	edit dl rm
configfs.h	9441	0644	edit dl rm
connector.h	2490	0644	edit dl rm
console.h	7504	0644	edit dl rm
consolemap.h	1068	0644	edit dl rm
console_struct.h	6966	0644	edit dl rm
const.h	421	0644	edit dl rm
container.h	668	0644	edit dl rm
container_of.h	1278	0644	edit dl rm
context_tracking.h	5168	0644	edit dl rm
context_tracking_state.h	1529	0644	edit dl rm
cookie.h	1254	0644	edit dl rm
cordic.h	1794	0644	edit dl rm
coredump.h	797	0644	edit dl rm
coresight-pmu.h	989	0644	edit dl rm
coresight-stm.h	152	0644	edit dl rm
coresight.h	9676	0644	edit dl rm
counter.h	15497	0644	edit dl rm
counter_enum.h	1463	0644	edit dl rm
count_zeros.h	1660	0644	edit dl rm
cper.h	16826	0644	edit dl rm
cpu.h	7959	0644	edit dl rm
cpufeature.h	1882	0644	edit dl rm
cpufreq.h	34248	0644	edit dl rm
cpuhotplug.h	14269	0644	edit dl rm
cpuidle.h	13061	0644	edit dl rm
cpuidle_haltpoll.h	312	0644	edit dl rm
cpumask.h	29721	0644	edit dl rm
cpuset.h	8297	0644	edit dl rm
cpu_cooling.h	2389	0644	edit dl rm
cpu_pm.h	2850	0644	edit dl rm
cpu_rmap.h	1902	0644	edit dl rm
crash_core.h	3292	0644	edit dl rm
crash_dump.h	5193	0644	edit dl rm
crc-ccitt.h	609	0644	edit dl rm
crc-itu-t.h	613	0644	edit dl rm
crc-t10dif.h	453	0644	edit dl rm
crc4.h	192	0644	edit dl rm
crc7.h	316	0644	edit dl rm
crc8.h	3747	0644	edit dl rm
crc16.h	622	0644	edit dl rm
crc32.h	2894	0644	edit dl rm
crc32c.h	331	0644	edit dl rm
crc32poly.h	610	0644	edit dl rm
cred.h	12749	0644	edit dl rm
crypto.h	59393	0644	edit dl rm
cryptohash.h	546	0644	edit dl rm
cs5535.h	6426	0644	edit dl rm
ctype.h	1791	0644	edit dl rm
cuda.h	501	0644	edit dl rm
cxl_err.h	468	0644	edit dl rm
cyclades.h	10607	0644	edit dl rm
damon.h	19616	0644	edit dl rm
davinci_emac.h	1150	0644	edit dl rm
dax.h	7553	0644	edit dl rm
dca.h	2698	0644	edit dl rm
dcache.h	19621	0644	edit dl rm
dccp.h	10989	0644	edit dl rm
dcookies.h	1329	0644	edit dl rm
debugfs.h	11921	0644	edit dl rm
debugobjects.h	3988	0644	edit dl rm
debug_locks.h	1627	0644	edit dl rm
delay.h	2335	0644	edit dl rm
delayacct.h	6285	0644	edit dl rm
delayed_call.h	709	0644	edit dl rm
dell-led.h	128	0644	edit dl rm
devcoredump.h	2849	0644	edit dl rm
devfreq-event.h	5778	0644	edit dl rm
devfreq.h	12987	0644	edit dl rm
devfreq_cooling.h	3608	0644	edit dl rm
device-mapper.h	19529	0644	edit dl rm
device.h	67275	0644	edit dl rm
device_cgroup.h	1680	0644	edit dl rm
devm-helpers.h	2740	0644	edit dl rm
devpts_fs.h	1314	0644	edit dl rm
dev_printk.h	7731	0644	edit dl rm
digsig.h	1379	0644	edit dl rm
dim.h	8951	0644	edit dl rm
dio.h	11229	0644	edit dl rm
dirent.h	216	0644	edit dl rm
dlm.h	7240	0644	edit dl rm
dlm_plock.h	678	0644	edit dl rm
dm-bufio.h	4574	0644	edit dl rm
dm-dirty-log.h	4038	0644	edit dl rm
dm-io.h	1980	0644	edit dl rm
dm-kcopyd.h	3013	0644	edit dl rm
dm-region-hash.h	3182	0644	edit dl rm
dm9000.h	1136	0644	edit dl rm
dma-buf.h	21547	0644	edit dl rm
dma-contiguous.h	5070	0644	edit dl rm
dma-direct.h	3681	0644	edit dl rm
dma-direction.h	407	0644	edit dl rm
dma-fence-array.h	2983	0644	edit dl rm
dma-fence-chain.h	3576	0644	edit dl rm
dma-fence-unwrap.h	2298	0644	edit dl rm
dma-fence.h	21162	0644	edit dl rm
dma-iommu.h	3020	0644	edit dl rm
dma-map-ops.h	10863	0644	edit dl rm
dma-mapping.h	23170	0644	edit dl rm
dma-resv.h	17245	0644	edit dl rm
dmaengine.h	54891	0644	edit dl rm
dmapool.h	1832	0644	edit dl rm
dmar.h	8791	0644	edit dl rm
dmi.h	4375	0644	edit dl rm
dnotify.h	1047	0644	edit dl rm
dns_resolver.h	1339	0644	edit dl rm
dqblk_qtree.h	2238	0644	edit dl rm
dqblk_v1.h	327	0644	edit dl rm
dqblk_v2.h	406	0644	edit dl rm
drbd.h	10923	0644	edit dl rm
drbd_genl.h	22010	0644	edit dl rm
drbd_genl_api.h	1808	0644	edit dl rm
drbd_limits.h	8003	0644	edit dl rm
ds2782_battery.h	158	0644	edit dl rm
dtlk.h	3584	0644	edit dl rm
dw_apb_timer.h	1743	0644	edit dl rm
dynamic_debug.h	5831	0644	edit dl rm
dynamic_queue_limits.h	3812	0644	edit dl rm
earlycpio.h	359	0644	edit dl rm
ecryptfs.h	3915	0644	edit dl rm
edac.h	20718	0644	edit dl rm
edd.h	1469	0644	edit dl rm
edma.h	807	0644	edit dl rm
eeprom_93cx6.h	3008	0644	edit dl rm
eeprom_93xx46.h	776	0644	edit dl rm
efi-bgrt.h	644	0644	edit dl rm
efi.h	62813	0644	edit dl rm
efs_vh.h	1585	0644	edit dl rm
eisa.h	3031	0644	edit dl rm
elevator.h	6059	0644	edit dl rm
elf-fdpic.h	2237	0644	edit dl rm
elf-randomize.h	583	0644	edit dl rm
elf.h	1565	0644	edit dl rm
elfcore-compat.h	1267	0644	edit dl rm
elfcore.h	2160	0644	edit dl rm
elfnote.h	3625	0644	edit dl rm
enclosure.h	4711	0644	edit dl rm
energy_model.h	5994	0644	edit dl rm
err.h	1583	0644	edit dl rm
errname.h	283	0644	edit dl rm
errno.h	1424	0644	edit dl rm
error-injection.h	607	0644	edit dl rm
errqueue.h	524	0644	edit dl rm
errseq.h	382	0644	edit dl rm
etherdevice.h	16917	0644	edit dl rm
ethtool.h	35580	0644	edit dl rm
ethtool_netlink.h	1920	0644	edit dl rm
eventfd.h	2167	0644	edit dl rm
eventpoll.h	2457	0644	edit dl rm
evm.h	2985	0644	edit dl rm
export.h	3697	0644	edit dl rm
exportfs.h	7692	0644	edit dl rm
ext2_fs.h	967	0644	edit dl rm
extable.h	1309	0644	edit dl rm
extcon-provider.h	4431	0644	edit dl rm
extcon.h	10270	0644	edit dl rm
f2fs_fs.h	18526	0644	edit dl rm
f75375s.h	541	0644	edit dl rm
falloc.h	1719	0644	edit dl rm
fanotify.h	2336	0644	edit dl rm
fault-inject.h	1975	0644	edit dl rm
fb.h	28712	0644	edit dl rm
fbcon.h	2136	0644	edit dl rm
fcdevice.h	988	0644	edit dl rm
fcntl.h	1808	0644	edit dl rm
fd.h	490	0644	edit dl rm
fddidevice.h	1044	0644	edit dl rm
fdtable.h	3616	0644	edit dl rm
fec.h	609	0644	edit dl rm
file.h	3147	0644	edit dl rm
filter.h	42781	0644	edit dl rm
fips.h	167	0644	edit dl rm
firewire.h	13868	0644	edit dl rm
firmware-map.h	1351	0644	edit dl rm
firmware.h	5874	0644	edit dl rm
fixp-arith.h	4516	0644	edit dl rm
flat.h	1653	0644	edit dl rm
flex_array.h	4412	0644	edit dl rm
flex_proportions.h	2881	0644	edit dl rm
fmc-sdb.h	1319	0644	edit dl rm
fmc.h	9877	0644	edit dl rm
font.h	1598	0644	edit dl rm
fortify-string.h	16550	0644	edit dl rm
freezer.h	9257	0644	edit dl rm
frontswap.h	3121	0644	edit dl rm
fs.h	117740	0644	edit dl rm
fscache-cache.h	19254	0644	edit dl rm
fscache.h	29577	0644	edit dl rm
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fsi.h	2424	0644	edit dl rm
fsl-diu-fb.h	4179	0644	edit dl rm
fsldma.h	398	0644	edit dl rm
fsl_devices.h	4430	0644	edit dl rm
fsl_hypervisor.h	2824	0644	edit dl rm
fsl_ifc.h	25658	0644	edit dl rm
fsnotify.h	7796	0644	edit dl rm
fsnotify_backend.h	20595	0644	edit dl rm
fs_context.h	9097	0644	edit dl rm
fs_enet_pd.h	3457	0644	edit dl rm
fs_parser.h	4750	0644	edit dl rm
fs_pin.h	619	0644	edit dl rm
fs_stack.h	811	0644	edit dl rm
fs_struct.h	1751	0644	edit dl rm
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ftrace_irq.h	1163	0644	edit dl rm
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gameport.h	5695	0644	edit dl rm
gcd.h	193	0644	edit dl rm
genalloc.h	7950	0644	edit dl rm
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genetlink.h	1379	0644	edit dl rm
genhd.h	16076	0644	edit dl rm
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getcpu.h	641	0644	edit dl rm
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glob.h	256	0644	edit dl rm
goldfish.h	605	0644	edit dl rm
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gpio.h	5478	0644	edit dl rm
gpio_keys.h	1782	0644	edit dl rm
hardirq.h	3264	0644	edit dl rm
hash.h	2998	0644	edit dl rm
hashtable.h	6805	0644	edit dl rm
hdlc.h	3413	0644	edit dl rm
hdlcdrv.h	6470	0644	edit dl rm
hdmi.h	12851	0644	edit dl rm
hid-debug.h	1458	0644	edit dl rm
hid-roccat.h	484	0644	edit dl rm
hid-sensor-hub.h	9190	0644	edit dl rm
hid-sensor-ids.h	7617	0644	edit dl rm
hid.h	38339	0644	edit dl rm
hidden.h	966	0644	edit dl rm
hiddev.h	1458	0644	edit dl rm
hidraw.h	1146	0644	edit dl rm
highmem-internal.h	4952	0644	edit dl rm
highmem.h	8235	0644	edit dl rm
highuid.h	3194	0644	edit dl rm
hil.h	18857	0644	edit dl rm
hil_mlc.h	5249	0644	edit dl rm
hippidevice.h	1263	0644	edit dl rm
hmm.h	4656	0644	edit dl rm
host1x.h	8618	0644	edit dl rm
hpet.h	2615	0644	edit dl rm
hp_sdc.h	14352	0644	edit dl rm
hrtimer.h	16651	0644	edit dl rm
hrtimer_defs.h	660	0644	edit dl rm
htcpld.h	617	0644	edit dl rm
hugetlb.h	27496	0644	edit dl rm
hugetlb_cgroup.h	7056	0644	edit dl rm
hugetlb_inline.h	374	0644	edit dl rm
huge_mm.h	15743	0644	edit dl rm
hwmon-sysfs.h	2024	0644	edit dl rm
hwmon-vid.h	1518	0644	edit dl rm
hwmon.h	14084	0644	edit dl rm
hwspinlock.h	13044	0644	edit dl rm
hw_breakpoint.h	4405	0644	edit dl rm
hw_random.h	2377	0644	edit dl rm
hyperv.h	50010	0644	edit dl rm
hypervisor.h	748	0644	edit dl rm
i2c-algo-bit.h	2322	0644	edit dl rm
i2c-algo-pca.h	2599	0644	edit dl rm
i2c-algo-pcf.h	1926	0644	edit dl rm
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Edit: /usr/src/kernels/4.18.0-553.121.1.el8_10.x86_64/include/linux/efi.h (62813B)

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

/*
 * Extensible Firmware Interface
 * Based on 'Extensible Firmware Interface Specification' version 0.9, April 30, 1999
 *
 * Copyright (C) 1999 VA Linux Systems
 * Copyright (C) 1999 Walt Drummond <drummond@valinux.com>
 * Copyright (C) 1999, 2002-2003 Hewlett-Packard Co.
 *	David Mosberger-Tang <davidm@hpl.hp.com>
 *	Stephane Eranian <eranian@hpl.hp.com>
 */
#include <linux/init.h>
#include <linux/string.h>
#include <linux/time.h>
#include <linux/types.h>
#include <linux/proc_fs.h>
#include <linux/rtc.h>
#include <linux/ioport.h>
#include <linux/pfn.h>
#include <linux/pstore.h>
#include <linux/range.h>
#include <linux/reboot.h>
#include <linux/uuid.h>
#include <linux/screen_info.h>

#include <asm/page.h>

#define EFI_SUCCESS		0
#define EFI_LOAD_ERROR          ( 1 | (1UL << (BITS_PER_LONG-1)))
#define EFI_INVALID_PARAMETER	( 2 | (1UL << (BITS_PER_LONG-1)))
#define EFI_UNSUPPORTED		( 3 | (1UL << (BITS_PER_LONG-1)))
#define EFI_BAD_BUFFER_SIZE     ( 4 | (1UL << (BITS_PER_LONG-1)))
#define EFI_BUFFER_TOO_SMALL	( 5 | (1UL << (BITS_PER_LONG-1)))
#define EFI_NOT_READY		( 6 | (1UL << (BITS_PER_LONG-1)))
#define EFI_DEVICE_ERROR	( 7 | (1UL << (BITS_PER_LONG-1)))
#define EFI_WRITE_PROTECTED	( 8 | (1UL << (BITS_PER_LONG-1)))
#define EFI_OUT_OF_RESOURCES	( 9 | (1UL << (BITS_PER_LONG-1)))
#define EFI_NOT_FOUND		(14 | (1UL << (BITS_PER_LONG-1)))
#define EFI_ABORTED		(21 | (1UL << (BITS_PER_LONG-1)))
#define EFI_SECURITY_VIOLATION	(26 | (1UL << (BITS_PER_LONG-1)))

typedef unsigned long efi_status_t;
typedef u8 efi_bool_t;
typedef u16 efi_char16_t;		/* UNICODE character */
typedef u64 efi_physical_addr_t;
typedef void *efi_handle_t;

#if defined(CONFIG_X86_64)
#define __efiapi __attribute__((ms_abi))
#elif defined(CONFIG_X86_32)
#define __efiapi __attribute__((regparm(0)))
#else
#define __efiapi
#endif

#define efi_get_handle_at(array, idx)					\
	(efi_is_native() ? (array)[idx] 				\
		: (efi_handle_t)(unsigned long)((u32 *)(array))[idx])

#define efi_get_handle_num(size)					\
	((size) / (efi_is_native() ? sizeof(efi_handle_t) : sizeof(u32)))

#define for_each_efi_handle(handle, array, size, i)			\
	for (i = 0;							\
	     i < efi_get_handle_num(size) &&				\
		((handle = efi_get_handle_at((array), i)) || true);	\
	     i++)

/*
 * The UEFI spec and EDK2 reference implementation both define EFI_GUID as
 * struct { u32 a; u16; b; u16 c; u8 d[8]; }; and so the implied alignment
 * is 32 bits not 8 bits like our guid_t. In some cases (i.e., on 32-bit ARM),
 * this means that firmware services invoked by the kernel may assume that
 * efi_guid_t* arguments are 32-bit aligned, and use memory accessors that
 * do not tolerate misalignment. So let's set the minimum alignment to 32 bits.
 *
 * Note that the UEFI spec as well as some comments in the EDK2 code base
 * suggest that EFI_GUID should be 64-bit aligned, but this appears to be
 * a mistake, given that no code seems to exist that actually enforces that
 * or relies on it.
 */
typedef guid_t efi_guid_t __aligned(__alignof__(u32));

#define EFI_GUID(a,b,c,d0,d1,d2,d3,d4,d5,d6,d7) \
	GUID_INIT(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7)

/*
 * Generic EFI table header
 */
typedef	struct {
	u64 signature;
	u32 revision;
	u32 headersize;
	u32 crc32;
	u32 reserved;
} efi_table_hdr_t;

/*
 * Memory map descriptor:
 */

/* Memory types: */
#define EFI_RESERVED_TYPE		 0
#define EFI_LOADER_CODE			 1
#define EFI_LOADER_DATA			 2
#define EFI_BOOT_SERVICES_CODE		 3
#define EFI_BOOT_SERVICES_DATA		 4
#define EFI_RUNTIME_SERVICES_CODE	 5
#define EFI_RUNTIME_SERVICES_DATA	 6
#define EFI_CONVENTIONAL_MEMORY		 7
#define EFI_UNUSABLE_MEMORY		 8
#define EFI_ACPI_RECLAIM_MEMORY		 9
#define EFI_ACPI_MEMORY_NVS		10
#define EFI_MEMORY_MAPPED_IO		11
#define EFI_MEMORY_MAPPED_IO_PORT_SPACE	12
#define EFI_PAL_CODE			13
#define EFI_PERSISTENT_MEMORY		14
#define EFI_MAX_MEMORY_TYPE		15

/* Attribute values: */
#define EFI_MEMORY_UC		((u64)0x0000000000000001ULL)	/* uncached */
#define EFI_MEMORY_WC		((u64)0x0000000000000002ULL)	/* write-coalescing */
#define EFI_MEMORY_WT		((u64)0x0000000000000004ULL)	/* write-through */
#define EFI_MEMORY_WB		((u64)0x0000000000000008ULL)	/* write-back */
#define EFI_MEMORY_UCE		((u64)0x0000000000000010ULL)	/* uncached, exported */
#define EFI_MEMORY_WP		((u64)0x0000000000001000ULL)	/* write-protect */
#define EFI_MEMORY_RP		((u64)0x0000000000002000ULL)	/* read-protect */
#define EFI_MEMORY_XP		((u64)0x0000000000004000ULL)	/* execute-protect */
#define EFI_MEMORY_NV		((u64)0x0000000000008000ULL)	/* non-volatile */
#define EFI_MEMORY_MORE_RELIABLE \
				((u64)0x0000000000010000ULL)	/* higher reliability */
#define EFI_MEMORY_RO		((u64)0x0000000000020000ULL)	/* read-only */
#define EFI_MEMORY_SP		((u64)0x0000000000040000ULL)	/* soft reserved */
#define EFI_MEMORY_RUNTIME	((u64)0x8000000000000000ULL)	/* range requires runtime mapping */
#define EFI_MEMORY_DESCRIPTOR_VERSION	1

#define EFI_PAGE_SHIFT		12
#define EFI_PAGE_SIZE		(1UL << EFI_PAGE_SHIFT)
#define EFI_PAGES_MAX		(U64_MAX >> EFI_PAGE_SHIFT)

typedef struct {
	u32 type;
	u32 pad;
	u64 phys_addr;
	u64 virt_addr;
	u64 num_pages;
	u64 attribute;
} efi_memory_desc_t;

typedef struct {
	efi_guid_t guid;
	u32 headersize;
	u32 flags;
	u32 imagesize;
} efi_capsule_header_t;

struct efi_boot_memmap {
	efi_memory_desc_t	**map;
	unsigned long		*map_size;
	unsigned long		*desc_size;
	u32			*desc_ver;
	unsigned long		*key_ptr;
	unsigned long		*buff_size;
};

/* EFI_FIRMWARE_MANAGEMENT_CAPSULE_HEADER */
struct efi_manage_capsule_header {
	u32 ver;
	u16 emb_drv_cnt;
	u16 payload_cnt;
	/*
	 * Variable-size array of the size given by the sum of
	 * emb_drv_cnt and payload_cnt.
	 */
	u64 offset_list[];
} __packed;

/* EFI_FIRMWARE_MANAGEMENT_CAPSULE_IMAGE_HEADER */
struct efi_manage_capsule_image_header {
	u32 ver;
	efi_guid_t image_type_id;
	u8 image_index;
	u8 reserved_bytes[3];
	u32 image_size;
	u32 vendor_code_size;
	/* hw_ins was introduced in version 2 */
	u64 hw_ins;
	/* capsule_support was introduced in version 3 */
	u64 capsule_support;
} __packed;

/* WIN_CERTIFICATE */
struct win_cert {
	u32 len;
	u16 rev;
	u16 cert_type;
};

/* WIN_CERTIFICATE_UEFI_GUID */
struct win_cert_uefi_guid {
	struct win_cert hdr;
	efi_guid_t cert_type;
	u8 cert_data[];
};

/* EFI_FIRMWARE_IMAGE_AUTHENTICATION */
struct efi_image_auth {
	u64 mon_count;
	struct win_cert_uefi_guid auth_info;
};

/*
 * EFI capsule flags
 */
#define EFI_CAPSULE_PERSIST_ACROSS_RESET	0x00010000
#define EFI_CAPSULE_POPULATE_SYSTEM_TABLE	0x00020000
#define EFI_CAPSULE_INITIATE_RESET		0x00040000

struct capsule_info {
	efi_capsule_header_t	header;
	efi_capsule_header_t	*capsule;
	int			reset_type;
	long			index;
	size_t			count;
	size_t			total_size;
	struct page		**pages;
	phys_addr_t		*phys;
	size_t			page_bytes_remain;
};

int __efi_capsule_setup_info(struct capsule_info *cap_info);

/*
 * Allocation types for calls to boottime->allocate_pages.
 */
#define EFI_ALLOCATE_ANY_PAGES		0
#define EFI_ALLOCATE_MAX_ADDRESS	1
#define EFI_ALLOCATE_ADDRESS		2
#define EFI_MAX_ALLOCATE_TYPE		3

typedef int (*efi_freemem_callback_t) (u64 start, u64 end, void *arg);

/*
 * Types and defines for Time Services
 */
#define EFI_TIME_ADJUST_DAYLIGHT 0x1
#define EFI_TIME_IN_DAYLIGHT     0x2
#define EFI_UNSPECIFIED_TIMEZONE 0x07ff

typedef struct {
	u16 year;
	u8 month;
	u8 day;
	u8 hour;
	u8 minute;
	u8 second;
	u8 pad1;
	u32 nanosecond;
	s16 timezone;
	u8 daylight;
	u8 pad2;
} efi_time_t;

typedef struct {
	u32 resolution;
	u32 accuracy;
	u8 sets_to_zero;
} efi_time_cap_t;

typedef struct {
	efi_table_hdr_t hdr;
	u32 raise_tpl;
	u32 restore_tpl;
	u32 allocate_pages;
	u32 free_pages;
	u32 get_memory_map;
	u32 allocate_pool;
	u32 free_pool;
	u32 create_event;
	u32 set_timer;
	u32 wait_for_event;
	u32 signal_event;
	u32 close_event;
	u32 check_event;
	u32 install_protocol_interface;
	u32 reinstall_protocol_interface;
	u32 uninstall_protocol_interface;
	u32 handle_protocol;
	u32 __reserved;
	u32 register_protocol_notify;
	u32 locate_handle;
	u32 locate_device_path;
	u32 install_configuration_table;
	u32 load_image;
	u32 start_image;
	u32 exit;
	u32 unload_image;
	u32 exit_boot_services;
	u32 get_next_monotonic_count;
	u32 stall;
	u32 set_watchdog_timer;
	u32 connect_controller;
	u32 disconnect_controller;
	u32 open_protocol;
	u32 close_protocol;
	u32 open_protocol_information;
	u32 protocols_per_handle;
	u32 locate_handle_buffer;
	u32 locate_protocol;
	u32 install_multiple_protocol_interfaces;
	u32 uninstall_multiple_protocol_interfaces;
	u32 calculate_crc32;
	u32 copy_mem;
	u32 set_mem;
	u32 create_event_ex;
} __packed efi_boot_services_32_t;

typedef struct {
	efi_table_hdr_t hdr;
	u64 raise_tpl;
	u64 restore_tpl;
	u64 allocate_pages;
	u64 free_pages;
	u64 get_memory_map;
	u64 allocate_pool;
	u64 free_pool;
	u64 create_event;
	u64 set_timer;
	u64 wait_for_event;
	u64 signal_event;
	u64 close_event;
	u64 check_event;
	u64 install_protocol_interface;
	u64 reinstall_protocol_interface;
	u64 uninstall_protocol_interface;
	u64 handle_protocol;
	u64 __reserved;
	u64 register_protocol_notify;
	u64 locate_handle;
	u64 locate_device_path;
	u64 install_configuration_table;
	u64 load_image;
	u64 start_image;
	u64 exit;
	u64 unload_image;
	u64 exit_boot_services;
	u64 get_next_monotonic_count;
	u64 stall;
	u64 set_watchdog_timer;
	u64 connect_controller;
	u64 disconnect_controller;
	u64 open_protocol;
	u64 close_protocol;
	u64 open_protocol_information;
	u64 protocols_per_handle;
	u64 locate_handle_buffer;
	u64 locate_protocol;
	u64 install_multiple_protocol_interfaces;
	u64 uninstall_multiple_protocol_interfaces;
	u64 calculate_crc32;
	u64 copy_mem;
	u64 set_mem;
	u64 create_event_ex;
} __packed efi_boot_services_64_t;

/*
 * EFI Boot Services table
 */
typedef union {
	struct {
		efi_table_hdr_t hdr;
		void *raise_tpl;
		void *restore_tpl;
		efi_status_t (__efiapi *allocate_pages)(int, int, unsigned long,
							efi_physical_addr_t *);
		efi_status_t (__efiapi *free_pages)(efi_physical_addr_t,
						    unsigned long);
		efi_status_t (__efiapi *get_memory_map)(unsigned long *, void *,
							unsigned long *,
							unsigned long *, u32 *);
		efi_status_t (__efiapi *allocate_pool)(int, unsigned long,
						       void **);
		efi_status_t (__efiapi *free_pool)(void *);
		void *create_event;
		void *set_timer;
		void *wait_for_event;
		void *signal_event;
		void *close_event;
		void *check_event;
		void *install_protocol_interface;
		void *reinstall_protocol_interface;
		void *uninstall_protocol_interface;
		efi_status_t (__efiapi *handle_protocol)(efi_handle_t,
							 efi_guid_t *, void **);
		void *__reserved;
		void *register_protocol_notify;
		efi_status_t (__efiapi *locate_handle)(int, efi_guid_t *,
						       void *, unsigned long *,
						       efi_handle_t *);
		void *locate_device_path;
		efi_status_t (__efiapi *install_configuration_table)(efi_guid_t *,
								     void *);
		void *load_image;
		void *start_image;
		efi_status_t __noreturn (__efiapi *exit)(efi_handle_t,
							 efi_status_t,
							 unsigned long,
							 efi_char16_t *);
		void *unload_image;
		efi_status_t (__efiapi *exit_boot_services)(efi_handle_t,
							    unsigned long);
		void *get_next_monotonic_count;
		void *stall;
		void *set_watchdog_timer;
		void *connect_controller;
		void *disconnect_controller;
		void *open_protocol;
		void *close_protocol;
		void *open_protocol_information;
		void *protocols_per_handle;
		void *locate_handle_buffer;
		efi_status_t (__efiapi *locate_protocol)(efi_guid_t *, void *,
							 void **);
		void *install_multiple_protocol_interfaces;
		void *uninstall_multiple_protocol_interfaces;
		void *calculate_crc32;
		void *copy_mem;
		void *set_mem;
		void *create_event_ex;
	};
	efi_boot_services_32_t mixed_mode;
} efi_boot_services_t;

typedef enum {
	EfiPciIoWidthUint8,
	EfiPciIoWidthUint16,
	EfiPciIoWidthUint32,
	EfiPciIoWidthUint64,
	EfiPciIoWidthFifoUint8,
	EfiPciIoWidthFifoUint16,
	EfiPciIoWidthFifoUint32,
	EfiPciIoWidthFifoUint64,
	EfiPciIoWidthFillUint8,
	EfiPciIoWidthFillUint16,
	EfiPciIoWidthFillUint32,
	EfiPciIoWidthFillUint64,
	EfiPciIoWidthMaximum
} EFI_PCI_IO_PROTOCOL_WIDTH;

typedef enum {
	EfiPciIoAttributeOperationGet,
	EfiPciIoAttributeOperationSet,
	EfiPciIoAttributeOperationEnable,
	EfiPciIoAttributeOperationDisable,
	EfiPciIoAttributeOperationSupported,
    EfiPciIoAttributeOperationMaximum
} EFI_PCI_IO_PROTOCOL_ATTRIBUTE_OPERATION;

typedef struct {
	u32 read;
	u32 write;
} efi_pci_io_protocol_access_32_t;

typedef struct {
	u64 read;
	u64 write;
} efi_pci_io_protocol_access_64_t;

typedef union efi_pci_io_protocol efi_pci_io_protocol_t;

typedef
efi_status_t (__efiapi *efi_pci_io_protocol_cfg_t)(efi_pci_io_protocol_t *,
						   EFI_PCI_IO_PROTOCOL_WIDTH,
						   u32 offset,
						   unsigned long count,
						   void *buffer);

typedef struct {
	void *read;
	void *write;
} efi_pci_io_protocol_access_t;

typedef struct {
	efi_pci_io_protocol_cfg_t read;
	efi_pci_io_protocol_cfg_t write;
} efi_pci_io_protocol_config_access_t;

typedef struct {
	u32 poll_mem;
	u32 poll_io;
	efi_pci_io_protocol_access_32_t mem;
	efi_pci_io_protocol_access_32_t io;
	efi_pci_io_protocol_access_32_t pci;
	u32 copy_mem;
	u32 map;
	u32 unmap;
	u32 allocate_buffer;
	u32 free_buffer;
	u32 flush;
	u32 get_location;
	u32 attributes;
	u32 get_bar_attributes;
	u32 set_bar_attributes;
	u64 romsize;
	u32 romimage;
} efi_pci_io_protocol_32_t;

typedef struct {
	u64 poll_mem;
	u64 poll_io;
	efi_pci_io_protocol_access_64_t mem;
	efi_pci_io_protocol_access_64_t io;
	efi_pci_io_protocol_access_64_t pci;
	u64 copy_mem;
	u64 map;
	u64 unmap;
	u64 allocate_buffer;
	u64 free_buffer;
	u64 flush;
	u64 get_location;
	u64 attributes;
	u64 get_bar_attributes;
	u64 set_bar_attributes;
	u64 romsize;
	u64 romimage;
} efi_pci_io_protocol_64_t;

union efi_pci_io_protocol {
	struct {
		void *poll_mem;
		void *poll_io;
		efi_pci_io_protocol_access_t mem;
		efi_pci_io_protocol_access_t io;
		efi_pci_io_protocol_config_access_t pci;
		void *copy_mem;
		void *map;
		void *unmap;
		void *allocate_buffer;
		void *free_buffer;
		void *flush;
		void *get_location;
		void *attributes;
		void *get_bar_attributes;
		void *set_bar_attributes;
		uint64_t romsize;
		void *romimage;
	};
	struct {
		u32 poll_mem;
		u32 poll_io;
		efi_pci_io_protocol_access_32_t mem;
		efi_pci_io_protocol_access_32_t io;
		efi_pci_io_protocol_access_32_t pci;
		u32 copy_mem;
		u32 map;
		u32 unmap;
		u32 allocate_buffer;
		u32 free_buffer;
		u32 flush;
		u32 get_location;
		u32 attributes;
		u32 get_bar_attributes;
		u32 set_bar_attributes;
		u64 romsize;
		u32 romimage;
	} mixed_mode;
};

#define EFI_PCI_IO_ATTRIBUTE_ISA_MOTHERBOARD_IO 0x0001
#define EFI_PCI_IO_ATTRIBUTE_ISA_IO 0x0002
#define EFI_PCI_IO_ATTRIBUTE_VGA_PALETTE_IO 0x0004
#define EFI_PCI_IO_ATTRIBUTE_VGA_MEMORY 0x0008
#define EFI_PCI_IO_ATTRIBUTE_VGA_IO 0x0010
#define EFI_PCI_IO_ATTRIBUTE_IDE_PRIMARY_IO 0x0020
#define EFI_PCI_IO_ATTRIBUTE_IDE_SECONDARY_IO 0x0040
#define EFI_PCI_IO_ATTRIBUTE_MEMORY_WRITE_COMBINE 0x0080
#define EFI_PCI_IO_ATTRIBUTE_IO 0x0100
#define EFI_PCI_IO_ATTRIBUTE_MEMORY 0x0200
#define EFI_PCI_IO_ATTRIBUTE_BUS_MASTER 0x0400
#define EFI_PCI_IO_ATTRIBUTE_MEMORY_CACHED 0x0800
#define EFI_PCI_IO_ATTRIBUTE_MEMORY_DISABLE 0x1000
#define EFI_PCI_IO_ATTRIBUTE_EMBEDDED_DEVICE 0x2000
#define EFI_PCI_IO_ATTRIBUTE_EMBEDDED_ROM 0x4000
#define EFI_PCI_IO_ATTRIBUTE_DUAL_ADDRESS_CYCLE 0x8000
#define EFI_PCI_IO_ATTRIBUTE_ISA_IO_16 0x10000
#define EFI_PCI_IO_ATTRIBUTE_VGA_PALETTE_IO_16 0x20000
#define EFI_PCI_IO_ATTRIBUTE_VGA_IO_16 0x40000

typedef struct {
	u32 version;
	u32 get;
	u32 set;
	u32 del;
	u32 get_all;
} apple_properties_protocol_32_t;

typedef struct {
	u64 version;
	u64 get;
	u64 set;
	u64 del;
	u64 get_all;
} apple_properties_protocol_64_t;

struct efi_dev_path;

typedef union apple_properties_protocol apple_properties_protocol_t;

union apple_properties_protocol {
	struct {
		unsigned long version;
		efi_status_t (__efiapi *get)(apple_properties_protocol_t *,
					     struct efi_dev_path *,
					     efi_char16_t *, void *, u32 *);
		efi_status_t (__efiapi *set)(apple_properties_protocol_t *,
					     struct efi_dev_path *,
					     efi_char16_t *, void *, u32);
		efi_status_t (__efiapi *del)(apple_properties_protocol_t *,
					     struct efi_dev_path *,
					     efi_char16_t *);
		efi_status_t (__efiapi *get_all)(apple_properties_protocol_t *,
						 void *buffer, u32 *);
	};
	struct {
		u32 version;
		u32 get;
		u32 set;
		u32 del;
		u32 get_all;
	} mixed_mode;
};

typedef struct {
	u32 get_capability;
	u32 get_event_log;
	u32 hash_log_extend_event;
	u32 submit_command;
	u32 get_active_pcr_banks;
	u32 set_active_pcr_banks;
	u32 get_result_of_set_active_pcr_banks;
} efi_tcg2_protocol_32_t;

typedef struct {
	u64 get_capability;
	u64 get_event_log;
	u64 hash_log_extend_event;
	u64 submit_command;
	u64 get_active_pcr_banks;
	u64 set_active_pcr_banks;
	u64 get_result_of_set_active_pcr_banks;
} efi_tcg2_protocol_64_t;

typedef u32 efi_tcg2_event_log_format;

typedef union efi_tcg2_protocol efi_tcg2_protocol_t;

union efi_tcg2_protocol {
	struct {
		void *get_capability;
		efi_status_t (__efiapi *get_event_log)(efi_handle_t,
						       efi_tcg2_event_log_format,
						       efi_physical_addr_t *,
						       efi_physical_addr_t *,
						       efi_bool_t *);
		void *hash_log_extend_event;
		void *submit_command;
		void *get_active_pcr_banks;
		void *set_active_pcr_banks;
		void *get_result_of_set_active_pcr_banks;
	};
	struct {
		u32 get_capability;
		u32 get_event_log;
		u32 hash_log_extend_event;
		u32 submit_command;
		u32 get_active_pcr_banks;
		u32 set_active_pcr_banks;
		u32 get_result_of_set_active_pcr_banks;
	} mixed_mode;
};

/*
 * Types and defines for EFI ResetSystem
 */
#define EFI_RESET_COLD 0
#define EFI_RESET_WARM 1
#define EFI_RESET_SHUTDOWN 2

/*
 * EFI Runtime Services table
 */
#define EFI_RUNTIME_SERVICES_SIGNATURE ((u64)0x5652453544e5552ULL)
#define EFI_RUNTIME_SERVICES_REVISION  0x00010000

typedef struct {
	efi_table_hdr_t hdr;
	u32 get_time;
	u32 set_time;
	u32 get_wakeup_time;
	u32 set_wakeup_time;
	u32 set_virtual_address_map;
	u32 convert_pointer;
	u32 get_variable;
	u32 get_next_variable;
	u32 set_variable;
	u32 get_next_high_mono_count;
	u32 reset_system;
	u32 update_capsule;
	u32 query_capsule_caps;
	u32 query_variable_info;
} efi_runtime_services_32_t;

typedef struct {
	efi_table_hdr_t hdr;
	u64 get_time;
	u64 set_time;
	u64 get_wakeup_time;
	u64 set_wakeup_time;
	u64 set_virtual_address_map;
	u64 convert_pointer;
	u64 get_variable;
	u64 get_next_variable;
	u64 set_variable;
	u64 get_next_high_mono_count;
	u64 reset_system;
	u64 update_capsule;
	u64 query_capsule_caps;
	u64 query_variable_info;
} efi_runtime_services_64_t;

typedef efi_status_t efi_get_time_t (efi_time_t *tm, efi_time_cap_t *tc);
typedef efi_status_t efi_set_time_t (efi_time_t *tm);
typedef efi_status_t efi_get_wakeup_time_t (efi_bool_t *enabled, efi_bool_t *pending,
					    efi_time_t *tm);
typedef efi_status_t efi_set_wakeup_time_t (efi_bool_t enabled, efi_time_t *tm);
typedef efi_status_t efi_get_variable_t (efi_char16_t *name, efi_guid_t *vendor, u32 *attr,
					 unsigned long *data_size, void *data);
typedef efi_status_t efi_get_next_variable_t (unsigned long *name_size, efi_char16_t *name,
					      efi_guid_t *vendor);
typedef efi_status_t efi_set_variable_t (efi_char16_t *name, efi_guid_t *vendor, 
					 u32 attr, unsigned long data_size,
					 void *data);
typedef efi_status_t efi_get_next_high_mono_count_t (u32 *count);
typedef void efi_reset_system_t (int reset_type, efi_status_t status,
				 unsigned long data_size, efi_char16_t *data);
typedef efi_status_t efi_set_virtual_address_map_t (unsigned long memory_map_size,
						unsigned long descriptor_size,
						u32 descriptor_version,
						efi_memory_desc_t *virtual_map);
typedef efi_status_t efi_query_variable_info_t(u32 attr,
					       u64 *storage_space,
					       u64 *remaining_space,
					       u64 *max_variable_size);
typedef efi_status_t efi_update_capsule_t(efi_capsule_header_t **capsules,
					  unsigned long count,
					  unsigned long sg_list);
typedef efi_status_t efi_query_capsule_caps_t(efi_capsule_header_t **capsules,
					      unsigned long count,
					      u64 *max_size,
					      int *reset_type);
typedef efi_status_t efi_query_variable_store_t(u32 attributes,
						unsigned long size,
						bool nonblocking);

typedef union {
	struct {
		efi_table_hdr_t				hdr;
		efi_get_time_t __efiapi			*get_time;
		efi_set_time_t __efiapi			*set_time;
		efi_get_wakeup_time_t __efiapi		*get_wakeup_time;
		efi_set_wakeup_time_t __efiapi		*set_wakeup_time;
		efi_set_virtual_address_map_t __efiapi	*set_virtual_address_map;
		void					*convert_pointer;
		efi_get_variable_t __efiapi		*get_variable;
		efi_get_next_variable_t __efiapi	*get_next_variable;
		efi_set_variable_t __efiapi		*set_variable;
		efi_get_next_high_mono_count_t __efiapi	*get_next_high_mono_count;
		efi_reset_system_t __efiapi		*reset_system;
		efi_update_capsule_t __efiapi		*update_capsule;
		efi_query_capsule_caps_t __efiapi	*query_capsule_caps;
		efi_query_variable_info_t __efiapi	*query_variable_info;
	};
	efi_runtime_services_32_t mixed_mode;
} efi_runtime_services_t;

void efi_native_runtime_setup(void);

/*
 * EFI Configuration Table and GUID definitions
 *
 * These are all defined in a single line to make them easier to
 * grep for and to see them at a glance - while still having a
 * similar structure to the definitions in the spec.
 *
 * Here's how they are structured:
 *
 * GUID: 12345678-1234-1234-1234-123456789012
 * Spec:
 *      #define EFI_SOME_PROTOCOL_GUID \
 *        {0x12345678,0x1234,0x1234,\
 *          {0x12,0x34,0x12,0x34,0x56,0x78,0x90,0x12}}
 * Here:
 *	#define SOME_PROTOCOL_GUID		EFI_GUID(0x12345678, 0x1234, 0x1234,  0x12, 0x34, 0x12, 0x34, 0x56, 0x78, 0x90, 0x12)
 *					^ tabs					    ^extra space
 *
 * Note that the 'extra space' separates the values at the same place
 * where the UEFI SPEC breaks the line.
 */
#define NULL_GUID				EFI_GUID(0x00000000, 0x0000, 0x0000,  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00)
#define MPS_TABLE_GUID				EFI_GUID(0xeb9d2d2f, 0x2d88, 0x11d3,  0x9a, 0x16, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d)
#define ACPI_TABLE_GUID				EFI_GUID(0xeb9d2d30, 0x2d88, 0x11d3,  0x9a, 0x16, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d)
#define ACPI_20_TABLE_GUID			EFI_GUID(0x8868e871, 0xe4f1, 0x11d3,  0xbc, 0x22, 0x00, 0x80, 0xc7, 0x3c, 0x88, 0x81)
#define SMBIOS_TABLE_GUID			EFI_GUID(0xeb9d2d31, 0x2d88, 0x11d3,  0x9a, 0x16, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d)
#define SMBIOS3_TABLE_GUID			EFI_GUID(0xf2fd1544, 0x9794, 0x4a2c,  0x99, 0x2e, 0xe5, 0xbb, 0xcf, 0x20, 0xe3, 0x94)
#define SAL_SYSTEM_TABLE_GUID			EFI_GUID(0xeb9d2d32, 0x2d88, 0x11d3,  0x9a, 0x16, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d)
#define HCDP_TABLE_GUID				EFI_GUID(0xf951938d, 0x620b, 0x42ef,  0x82, 0x79, 0xa8, 0x4b, 0x79, 0x61, 0x78, 0x98)
#define UGA_IO_PROTOCOL_GUID			EFI_GUID(0x61a4d49e, 0x6f68, 0x4f1b,  0xb9, 0x22, 0xa8, 0x6e, 0xed, 0x0b, 0x07, 0xa2)
#define EFI_GLOBAL_VARIABLE_GUID		EFI_GUID(0x8be4df61, 0x93ca, 0x11d2,  0xaa, 0x0d, 0x00, 0xe0, 0x98, 0x03, 0x2b, 0x8c)
#define UV_SYSTEM_TABLE_GUID			EFI_GUID(0x3b13a7d4, 0x633e, 0x11dd,  0x93, 0xec, 0xda, 0x25, 0x56, 0xd8, 0x95, 0x93)
#define LINUX_EFI_CRASH_GUID			EFI_GUID(0xcfc8fc79, 0xbe2e, 0x4ddc,  0x97, 0xf0, 0x9f, 0x98, 0xbf, 0xe2, 0x98, 0xa0)
#define LOADED_IMAGE_PROTOCOL_GUID		EFI_GUID(0x5b1b31a1, 0x9562, 0x11d2,  0x8e, 0x3f, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
#define EFI_GRAPHICS_OUTPUT_PROTOCOL_GUID	EFI_GUID(0x9042a9de, 0x23dc, 0x4a38,  0x96, 0xfb, 0x7a, 0xde, 0xd0, 0x80, 0x51, 0x6a)
#define EFI_UGA_PROTOCOL_GUID			EFI_GUID(0x982c298b, 0xf4fa, 0x41cb,  0xb8, 0x38, 0x77, 0xaa, 0x68, 0x8f, 0xb8, 0x39)
#define EFI_PCI_IO_PROTOCOL_GUID		EFI_GUID(0x4cf5b200, 0x68b8, 0x4ca5,  0x9e, 0xec, 0xb2, 0x3e, 0x3f, 0x50, 0x02, 0x9a)
#define EFI_FILE_INFO_ID			EFI_GUID(0x09576e92, 0x6d3f, 0x11d2,  0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
#define EFI_SYSTEM_RESOURCE_TABLE_GUID		EFI_GUID(0xb122a263, 0x3661, 0x4f68,  0x99, 0x29, 0x78, 0xf8, 0xb0, 0xd6, 0x21, 0x80)
#define EFI_FILE_SYSTEM_GUID			EFI_GUID(0x964e5b22, 0x6459, 0x11d2,  0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
#define DEVICE_TREE_GUID			EFI_GUID(0xb1b621d5, 0xf19c, 0x41a5,  0x83, 0x0b, 0xd9, 0x15, 0x2c, 0x69, 0xaa, 0xe0)
#define EFI_PROPERTIES_TABLE_GUID		EFI_GUID(0x880aaca3, 0x4adc, 0x4a04,  0x90, 0x79, 0xb7, 0x47, 0x34, 0x08, 0x25, 0xe5)
#define EFI_RNG_PROTOCOL_GUID			EFI_GUID(0x3152bca5, 0xeade, 0x433d,  0x86, 0x2e, 0xc0, 0x1c, 0xdc, 0x29, 0x1f, 0x44)
#define EFI_RNG_ALGORITHM_RAW			EFI_GUID(0xe43176d7, 0xb6e8, 0x4827,  0xb7, 0x84, 0x7f, 0xfd, 0xc4, 0xb6, 0x85, 0x61)
#define EFI_MEMORY_ATTRIBUTES_TABLE_GUID	EFI_GUID(0xdcfa911d, 0x26eb, 0x469f,  0xa2, 0x20, 0x38, 0xb7, 0xdc, 0x46, 0x12, 0x20)
#define EFI_CONSOLE_OUT_DEVICE_GUID		EFI_GUID(0xd3b36f2c, 0xd551, 0x11d4,  0x9a, 0x46, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d)
#define APPLE_PROPERTIES_PROTOCOL_GUID		EFI_GUID(0x91bd12fe, 0xf6c3, 0x44fb,  0xa5, 0xb7, 0x51, 0x22, 0xab, 0x30, 0x3a, 0xe0)
#define EFI_TCG2_PROTOCOL_GUID			EFI_GUID(0x607f766c, 0x7455, 0x42be,  0x93, 0x0b, 0xe4, 0xd7, 0x6d, 0xb2, 0x72, 0x0f)
#define EFI_RT_PROPERTIES_TABLE_GUID		EFI_GUID(0xeb66918a, 0x7eef, 0x402a,  0x84, 0x2e, 0x93, 0x1d, 0x21, 0xc3, 0x8a, 0xe9)
#define EFI_DXE_SERVICES_TABLE_GUID		EFI_GUID(0x05ad34ba, 0x6f02, 0x4214,  0x95, 0x2e, 0x4d, 0xa0, 0x39, 0x8e, 0x2b, 0xb9)
#define EFI_MEMORY_ATTRIBUTE_PROTOCOL_GUID	EFI_GUID(0xf4560cf6, 0x40ec, 0x4b4a,  0xa1, 0x92, 0xbf, 0x1d, 0x57, 0xd0, 0xb1, 0x89)

#define EFI_IMAGE_SECURITY_DATABASE_GUID	EFI_GUID(0xd719b2cb, 0x3d3a, 0x4596,  0xa3, 0xbc, 0xda, 0xd0, 0x0e, 0x67, 0x65, 0x6f)
#define EFI_SHIM_LOCK_GUID			EFI_GUID(0x605dab50, 0xe046, 0x4300,  0xab, 0xb6, 0x3d, 0xd8, 0x10, 0xdd, 0x8b, 0x23)

#define EFI_CERT_SHA256_GUID			EFI_GUID(0xc1c41626, 0x504c, 0x4092, 0xac, 0xa9, 0x41, 0xf9, 0x36, 0x93, 0x43, 0x28)
#define EFI_CERT_X509_GUID			EFI_GUID(0xa5c059a1, 0x94e4, 0x4aa7, 0x87, 0xb5, 0xab, 0x15, 0x5c, 0x2b, 0xf0, 0x72)
#define EFI_CERT_X509_SHA256_GUID		EFI_GUID(0x3bd2a492, 0x96c0, 0x4079, 0xb4, 0x20, 0xfc, 0xf9, 0x8e, 0xf1, 0x03, 0xed)
#define EFI_CC_BLOB_GUID			EFI_GUID(0x067b1f5f, 0xcf26, 0x44c5, 0x85, 0x54, 0x93, 0xd7, 0x77, 0x91, 0x2d, 0x42)

/*
 * This GUID is used to pass to the kernel proper the struct screen_info
 * structure that was populated by the stub based on the GOP protocol instance
 * associated with ConOut
 */
#define LINUX_EFI_ARM_SCREEN_INFO_TABLE_GUID	EFI_GUID(0xe03fc20a, 0x85dc, 0x406e,  0xb9, 0x0e, 0x4a, 0xb5, 0x02, 0x37, 0x1d, 0x95)
#define LINUX_EFI_LOADER_ENTRY_GUID		EFI_GUID(0x4a67b082, 0x0a4c, 0x41cf,  0xb6, 0xc7, 0x44, 0x0b, 0x29, 0xbb, 0x8c, 0x4f)
#define LINUX_EFI_RANDOM_SEED_TABLE_GUID	EFI_GUID(0x1ce1e5bc, 0x7ceb, 0x42f2,  0x81, 0xe5, 0x8a, 0xad, 0xf1, 0x80, 0xf5, 0x7b)
#define LINUX_EFI_TPM_EVENT_LOG_GUID		EFI_GUID(0xb7799cb0, 0xeca2, 0x4943,  0x96, 0x67, 0x1f, 0xae, 0x07, 0xb7, 0x47, 0xfa)
#define LINUX_EFI_TPM_FINAL_LOG_GUID		EFI_GUID(0x1e2ed096, 0x30e2, 0x4254,  0xbd, 0x89, 0x86, 0x3b, 0xbe, 0xf8, 0x23, 0x25)
#define LINUX_EFI_MEMRESERVE_TABLE_GUID		EFI_GUID(0x888eb0c6, 0x8ede, 0x4ff5,  0xa8, 0xf0, 0x9a, 0xee, 0x5c, 0xb9, 0x77, 0xc2)
#define LINUX_EFI_MOK_VARIABLE_TABLE_GUID	EFI_GUID(0xc451ed2b, 0x9694, 0x45d3,  0xba, 0xba, 0xed, 0x9f, 0x89, 0x88, 0xa3, 0x89)

/* OEM GUIDs */
#define DELLEMC_EFI_RCI2_TABLE_GUID		EFI_GUID(0x2d9f28a2, 0xa886, 0x456a,  0x97, 0xa8, 0xf1, 0x1e, 0xf2, 0x4f, 0xf4, 0x55)
#define AMD_SEV_MEM_ENCRYPT_GUID		EFI_GUID(0x0cf29b71, 0x9e51, 0x433a,  0xa3, 0xb7, 0x81, 0xf3, 0xab, 0x16, 0xb8, 0x75)

typedef struct {
	efi_guid_t guid;
	u64 table;
} efi_config_table_64_t;

typedef struct {
	efi_guid_t guid;
	u32 table;
} efi_config_table_32_t;

typedef union {
	struct {
		efi_guid_t guid;
		void *table;
	};
	efi_config_table_32_t mixed_mode;
} efi_config_table_t;

typedef struct {
	efi_guid_t guid;
	const char *name;
	unsigned long *ptr;
} efi_config_table_type_t;

#define EFI_SYSTEM_TABLE_SIGNATURE ((u64)0x5453595320494249ULL)
#define EFI_DXE_SERVICES_TABLE_SIGNATURE ((u64)0x565245535f455844ULL)

#define EFI_2_30_SYSTEM_TABLE_REVISION  ((2 << 16) | (30))
#define EFI_2_20_SYSTEM_TABLE_REVISION  ((2 << 16) | (20))
#define EFI_2_10_SYSTEM_TABLE_REVISION  ((2 << 16) | (10))
#define EFI_2_00_SYSTEM_TABLE_REVISION  ((2 << 16) | (00))
#define EFI_1_10_SYSTEM_TABLE_REVISION  ((1 << 16) | (10))
#define EFI_1_02_SYSTEM_TABLE_REVISION  ((1 << 16) | (02))

typedef struct {
	efi_table_hdr_t hdr;
	u64 fw_vendor;	/* physical addr of CHAR16 vendor string */
	u32 fw_revision;
	u32 __pad1;
	u64 con_in_handle;
	u64 con_in;
	u64 con_out_handle;
	u64 con_out;
	u64 stderr_handle;
	u64 stderr;
	u64 runtime;
	u64 boottime;
	u32 nr_tables;
	u32 __pad2;
	u64 tables;
} efi_system_table_64_t;

typedef struct {
	efi_table_hdr_t hdr;
	u32 fw_vendor;	/* physical addr of CHAR16 vendor string */
	u32 fw_revision;
	u32 con_in_handle;
	u32 con_in;
	u32 con_out_handle;
	u32 con_out;
	u32 stderr_handle;
	u32 stderr;
	u32 runtime;
	u32 boottime;
	u32 nr_tables;
	u32 tables;
} efi_system_table_32_t;

typedef union {
	struct {
		efi_table_hdr_t hdr;
		unsigned long fw_vendor;	/* physical addr of CHAR16 vendor string */
		u32 fw_revision;
		unsigned long con_in_handle;
		unsigned long con_in;
		unsigned long con_out_handle;
		unsigned long con_out;
		unsigned long stderr_handle;
		unsigned long stderr;
		efi_runtime_services_t *runtime;
		efi_boot_services_t *boottime;
		unsigned long nr_tables;
		unsigned long tables;
	};
	efi_system_table_32_t mixed_mode;
} efi_system_table_t;

/*
 * Architecture independent structure for describing a memory map for the
 * benefit of efi_memmap_init_early(), and for passing context between
 * efi_memmap_alloc() and efi_memmap_install().
 */
struct efi_memory_map_data {
	phys_addr_t phys_map;
	unsigned long size;
	unsigned long desc_version;
	unsigned long desc_size;
	unsigned long flags;
};

struct efi_memory_map {
	phys_addr_t phys_map;
	void *map;
	void *map_end;
	int nr_map;
	unsigned long desc_version;
	unsigned long desc_size;
#define EFI_MEMMAP_LATE (1UL << 0)
#define EFI_MEMMAP_MEMBLOCK (1UL << 1)
#define EFI_MEMMAP_SLAB (1UL << 2)
	unsigned long flags;
};

struct efi_mem_range {
	struct range range;
	u64 attribute;
};

struct efi_fdt_params {
	u64 system_table;
	u64 mmap;
	u32 mmap_size;
	u32 desc_size;
	u32 desc_ver;
};

typedef struct {
	u32 revision;
	u32 parent_handle;
	u32 system_table;
	u32 device_handle;
	u32 file_path;
	u32 reserved;
	u32 load_options_size;
	u32 load_options;
	u32 image_base;
	__aligned_u64 image_size;
	unsigned int image_code_type;
	unsigned int image_data_type;
	u32 unload;
} efi_loaded_image_32_t;

typedef struct {
	u32 revision;
	u64 parent_handle;
	u64 system_table;
	u64 device_handle;
	u64 file_path;
	u64 reserved;
	u32 load_options_size;
	u64 load_options;
	u64 image_base;
	__aligned_u64 image_size;
	unsigned int image_code_type;
	unsigned int image_data_type;
	u64 unload;
} efi_loaded_image_64_t;

typedef union efi_loaded_image efi_loaded_image_t;

union efi_loaded_image {
	struct {
		u32 revision;
		efi_handle_t parent_handle;
		efi_system_table_t *system_table;
		efi_handle_t device_handle;
		void *file_path;
		void *reserved;
		u32 load_options_size;
		void *load_options;
		void *image_base;
		__aligned_u64 image_size;
		unsigned int image_code_type;
		unsigned int image_data_type;
		efi_status_t ( __efiapi *unload)(efi_handle_t image_handle);
	};
	struct {
		u32 revision;
		u32 parent_handle;
		u32 system_table;
		u32 device_handle;
		u32 file_path;
		u32 reserved;
		u32 load_options_size;
		u32 load_options;
		u32 image_base;
		__aligned_u64 image_size;
		unsigned int image_code_type;
		unsigned int image_data_type;
		u32 unload;
	} mixed_mode;
};

typedef struct {
	u64 size;
	u64 file_size;
	u64 phys_size;
	efi_time_t create_time;
	efi_time_t last_access_time;
	efi_time_t modification_time;
	__aligned_u64 attribute;
	efi_char16_t filename[1];
} efi_file_info_t;

typedef struct {
	u64 revision;
	u32 open;
	u32 close;
	u32 delete;
	u32 read;
	u32 write;
	u32 get_position;
	u32 set_position;
	u32 get_info;
	u32 set_info;
	u32 flush;
} efi_file_handle_32_t;

typedef struct {
	u64 revision;
	u64 open;
	u64 close;
	u64 delete;
	u64 read;
	u64 write;
	u64 get_position;
	u64 set_position;
	u64 get_info;
	u64 set_info;
	u64 flush;
} efi_file_handle_64_t;

typedef union efi_file_handle efi_file_handle_t;

union efi_file_handle {
	struct {
		u64 revision;
		efi_status_t (__efiapi *open)(efi_file_handle_t *,
					      efi_file_handle_t **,
					      efi_char16_t *, u64, u64);
		efi_status_t (__efiapi *close)(efi_file_handle_t *);
		void *delete;
		efi_status_t (__efiapi *read)(efi_file_handle_t *,
					      unsigned long *, void *);
		void *write;
		void *get_position;
		void *set_position;
		efi_status_t (__efiapi *get_info)(efi_file_handle_t *,
						  efi_guid_t *, unsigned long *,
						  void *);
		void *set_info;
		void *flush;
	};
	struct {
		u64 revision;
		u32 open;
		u32 close;
		u32 delete;
		u32 read;
		u32 write;
		u32 get_position;
		u32 set_position;
		u32 get_info;
		u32 set_info;
		u32 flush;
	} mixed_mode;
};

typedef struct {
	u64 revision;
	u32 open_volume;
} efi_file_io_interface_32_t;

typedef struct {
	u64 revision;
	u64 open_volume;
} efi_file_io_interface_64_t;

typedef union efi_file_io_interface efi_file_io_interface_t;

union efi_file_io_interface {
	struct {
		u64 revision;
		int (__efiapi *open_volume)(efi_file_io_interface_t *,
					    efi_file_handle_t **);
	};
	struct {
		u64 revision;
		u32 open_volume;
	} mixed_mode;
} ;

#define EFI_FILE_MODE_READ	0x0000000000000001
#define EFI_FILE_MODE_WRITE	0x0000000000000002
#define EFI_FILE_MODE_CREATE	0x8000000000000000

typedef struct {
	u32 version;
	u32 length;
	u64 memory_protection_attribute;
} efi_properties_table_t;

#define EFI_PROPERTIES_TABLE_VERSION	0x00010000
#define EFI_PROPERTIES_RUNTIME_MEMORY_PROTECTION_NON_EXECUTABLE_PE_DATA	0x1

typedef struct {
	u16 version;
	u16 length;
	u32 runtime_services_supported;
} efi_rt_properties_table_t;

#define EFI_RT_PROPERTIES_TABLE_VERSION	0x1

#define EFI_INVALID_TABLE_ADDR		(~0UL)

typedef struct {
	u32 version;
	u32 num_entries;
	u32 desc_size;
	u32 reserved;
	efi_memory_desc_t entry[0];
} efi_memory_attributes_table_t;

typedef struct {
	efi_guid_t signature_owner;
	u8 signature_data[];
} efi_signature_data_t;

typedef struct {
	efi_guid_t signature_type;
	u32 signature_list_size;
	u32 signature_header_size;
	u32 signature_size;
	u8 signature_header[];
	/* efi_signature_data_t signatures[][] */
} efi_signature_list_t;

typedef u8 efi_sha256_hash_t[32];

typedef struct {
	efi_sha256_hash_t to_be_signed_hash;
	efi_time_t time_of_revocation;
} efi_cert_x509_sha256_t;

/*
 * All runtime access to EFI goes through this structure:
 */
extern struct efi {
	efi_system_table_t *systab;	/* EFI system table */
	unsigned int runtime_version;	/* Runtime services version */
	unsigned int runtime_supported_mask;
	unsigned long mps;		/* MPS table */
	unsigned long acpi;		/* ACPI table  (IA64 ext 0.71) */
	unsigned long acpi20;		/* ACPI table  (ACPI 2.0) */
	unsigned long smbios;		/* SMBIOS table (32 bit entry point) */
	unsigned long smbios3;		/* SMBIOS table (64 bit entry point) */
	unsigned long sal_systab;	/* SAL system table */
	unsigned long boot_info;	/* boot info table */
	unsigned long hcdp;		/* HCDP table */
	unsigned long uga;		/* UGA table */
	unsigned long fw_vendor;	/* fw_vendor */
	unsigned long runtime;		/* runtime table */
	unsigned long config_table;	/* config tables */
	unsigned long esrt;		/* ESRT table */
	unsigned long properties_table;	/* properties table */
	unsigned long mem_attr_table;	/* memory attributes table */
	unsigned long rng_seed;		/* UEFI firmware random seed */
	unsigned long tpm_log;		/* TPM2 Event Log table */
	unsigned long tpm_final_log;	/* TPM2 Final Events Log table */
	unsigned long mem_reserve;	/* Linux EFI memreserve table */
	unsigned long mokvar_table;	/* MOK variable config table */
	efi_get_time_t *get_time;
	efi_set_time_t *set_time;
	efi_get_wakeup_time_t *get_wakeup_time;
	efi_set_wakeup_time_t *set_wakeup_time;
	efi_get_variable_t *get_variable;
	efi_get_next_variable_t *get_next_variable;
	efi_set_variable_t *set_variable;
	efi_set_variable_t *set_variable_nonblocking;
	efi_query_variable_info_t *query_variable_info;
	efi_query_variable_info_t *query_variable_info_nonblocking;
	efi_update_capsule_t *update_capsule;
	efi_query_capsule_caps_t *query_capsule_caps;
	efi_get_next_high_mono_count_t *get_next_high_mono_count;
	efi_reset_system_t *reset_system;
	efi_set_virtual_address_map_t *set_virtual_address_map;
	struct efi_memory_map memmap;
	unsigned long flags;
} efi;

#define EFI_RT_SUPPORTED_GET_TIME 				0x0001
#define EFI_RT_SUPPORTED_SET_TIME 				0x0002
#define EFI_RT_SUPPORTED_GET_WAKEUP_TIME			0x0004
#define EFI_RT_SUPPORTED_SET_WAKEUP_TIME			0x0008
#define EFI_RT_SUPPORTED_GET_VARIABLE				0x0010
#define EFI_RT_SUPPORTED_GET_NEXT_VARIABLE_NAME			0x0020
#define EFI_RT_SUPPORTED_SET_VARIABLE				0x0040
#define EFI_RT_SUPPORTED_SET_VIRTUAL_ADDRESS_MAP		0x0080
#define EFI_RT_SUPPORTED_CONVERT_POINTER			0x0100
#define EFI_RT_SUPPORTED_GET_NEXT_HIGH_MONOTONIC_COUNT		0x0200
#define EFI_RT_SUPPORTED_RESET_SYSTEM				0x0400
#define EFI_RT_SUPPORTED_UPDATE_CAPSULE				0x0800
#define EFI_RT_SUPPORTED_QUERY_CAPSULE_CAPABILITIES		0x1000
#define EFI_RT_SUPPORTED_QUERY_VARIABLE_INFO			0x2000

#define EFI_RT_SUPPORTED_ALL					0x3fff

#define EFI_RT_SUPPORTED_TIME_SERVICES				0x000f
#define EFI_RT_SUPPORTED_VARIABLE_SERVICES			0x0070

extern struct mm_struct efi_mm;

static inline int
efi_guidcmp (efi_guid_t left, efi_guid_t right)
{
	return memcmp(&left, &right, sizeof (efi_guid_t));
}

static inline char *
efi_guid_to_str(efi_guid_t *guid, char *out)
{
	sprintf(out, "%pUl", guid->b);
        return out;
}

extern void efi_init (void);
extern void *efi_get_pal_addr (void);
extern void efi_map_pal_code (void);
extern void efi_memmap_walk (efi_freemem_callback_t callback, void *arg);
extern void efi_gettimeofday (struct timespec64 *ts);
extern void efi_enter_virtual_mode (void);	/* switch EFI to virtual mode, if possible */
#ifdef CONFIG_X86
extern efi_status_t efi_query_variable_store(u32 attributes,
					     unsigned long size,
					     bool nonblocking);
#else

static inline efi_status_t efi_query_variable_store(u32 attributes,
						    unsigned long size,
						    bool nonblocking)
{
	return EFI_SUCCESS;
}
#endif
extern void __iomem *efi_lookup_mapped_addr(u64 phys_addr);

extern int __init efi_memmap_alloc(unsigned int num_entries,
				   struct efi_memory_map_data *data);
extern int __init efi_memmap_init_early(struct efi_memory_map_data *data);
extern int __init efi_memmap_init_late(phys_addr_t addr, unsigned long size);
extern void __init efi_memmap_unmap(void);
extern int __init efi_memmap_install(struct efi_memory_map_data *data);
extern int __init efi_memmap_split_count(efi_memory_desc_t *md,
					 struct range *range);
extern void __init efi_memmap_insert(struct efi_memory_map *old_memmap,
				     void *buf, struct efi_mem_range *mem);

extern int efi_config_init(efi_config_table_type_t *arch_tables);
#ifdef CONFIG_EFI_ESRT
extern void __init efi_esrt_init(void);
#else
static inline void efi_esrt_init(void) { }
#endif
extern int efi_config_parse_tables(void *config_tables, int count, int sz,
				   efi_config_table_type_t *arch_tables);
extern u64 efi_get_iobase (void);
extern int efi_mem_type(unsigned long phys_addr);
extern u64 efi_mem_attributes (unsigned long phys_addr);
extern u64 efi_mem_attribute (unsigned long phys_addr, unsigned long size);
extern int __init efi_uart_console_only (void);
extern u64 efi_mem_desc_end(efi_memory_desc_t *md);
extern int efi_mem_desc_lookup(u64 phys_addr, efi_memory_desc_t *out_md);
extern void efi_mem_reserve(phys_addr_t addr, u64 size);
extern int efi_mem_reserve_persistent(phys_addr_t addr, u64 size);
extern void efi_initialize_iomem_resources(struct resource *code_resource,
		struct resource *data_resource, struct resource *bss_resource);
extern int efi_get_fdt_params(struct efi_fdt_params *params);
extern struct kobject *efi_kobj;

extern int efi_reboot_quirk_mode;
extern bool efi_poweroff_required(void);

#ifdef CONFIG_EFI_FAKE_MEMMAP
extern void __init efi_fake_memmap(void);
#else
static inline void efi_fake_memmap(void) { }
#endif

/*
 * efi_memattr_perm_setter - arch specific callback function passed into
 *                           efi_memattr_apply_permissions() that updates the
 *                           mapping permissions described by the second
 *                           argument in the page tables referred to by the
 *                           first argument.
 */
typedef int (*efi_memattr_perm_setter)(struct mm_struct *, efi_memory_desc_t *);

extern int efi_memattr_init(void);
extern int efi_memattr_apply_permissions(struct mm_struct *mm,
					 efi_memattr_perm_setter fn);

/*
 * efi_early_memdesc_ptr - get the n-th EFI memmap descriptor
 * @map: the start of efi memmap
 * @desc_size: the size of space for each EFI memmap descriptor
 * @n: the index of efi memmap descriptor
 *
 * EFI boot service provides the GetMemoryMap() function to get a copy of the
 * current memory map which is an array of memory descriptors, each of
 * which describes a contiguous block of memory. It also gets the size of the
 * map, and the size of each descriptor, etc.
 *
 * Note that per section 6.2 of UEFI Spec 2.6 Errata A, the returned size of
 * each descriptor might not be equal to sizeof(efi_memory_memdesc_t),
 * since efi_memory_memdesc_t may be extended in the future. Thus the OS
 * MUST use the returned size of the descriptor to find the start of each
 * efi_memory_memdesc_t in the memory map array. This should only be used
 * during bootup since for_each_efi_memory_desc_xxx() is available after the
 * kernel initializes the EFI subsystem to set up struct efi_memory_map.
 */
#define efi_early_memdesc_ptr(map, desc_size, n)			\
	(efi_memory_desc_t *)((void *)(map) + ((n) * (desc_size)))

/* Iterate through an efi_memory_map */
#define for_each_efi_memory_desc_in_map(m, md)				   \
	for ((md) = (m)->map;						   \
	     (md) && ((void *)(md) + (m)->desc_size) <= (m)->map_end;	   \
	     (md) = (void *)(md) + (m)->desc_size)

/**
 * for_each_efi_memory_desc - iterate over descriptors in efi.memmap
 * @md: the efi_memory_desc_t * iterator
 *
 * Once the loop finishes @md must not be accessed.
 */
#define for_each_efi_memory_desc(md) \
	for_each_efi_memory_desc_in_map(&efi.memmap, md)

/*
 * Format an EFI memory descriptor's type and attributes to a user-provided
 * character buffer, as per snprintf(), and return the buffer.
 */
char * __init efi_md_typeattr_format(char *buf, size_t size,
				     const efi_memory_desc_t *md);

typedef void (*efi_element_handler_t)(const char *source,
				      const void *element_data,
				      size_t element_size);
extern int __init parse_efi_signature_list(
	const char *source,
	const void *data, size_t size,
	efi_element_handler_t (*get_handler_for_guid)(const efi_guid_t *));

/**
 * efi_range_is_wc - check the WC bit on an address range
 * @start: starting kvirt address
 * @len: length of range
 *
 * Consult the EFI memory map and make sure it's ok to set this range WC.
 * Returns true or false.
 */
static inline int efi_range_is_wc(unsigned long start, unsigned long len)
{
	unsigned long i;

for (i = 0; i < len; i += (1UL << EFI_PAGE_SHIFT)) {
		unsigned long paddr = __pa(start + i);
		if (!(efi_mem_attributes(paddr) & EFI_MEMORY_WC))
			return 0;
	}
	/* The range checked out */
	return 1;
}

#ifdef CONFIG_EFI_PCDP
extern int __init efi_setup_pcdp_console(char *);
#endif

/*
 * We play games with efi_enabled so that the compiler will, if
 * possible, remove EFI-related code altogether.
 */
#define EFI_BOOT		0	/* Were we booted from EFI? */
#define EFI_CONFIG_TABLES	2	/* Can we use EFI config tables? */
#define EFI_RUNTIME_SERVICES	3	/* Can we use runtime services? */
#define EFI_MEMMAP		4	/* Can we use EFI memory map? */
#define EFI_64BIT		5	/* Is the firmware 64-bit? */
#define EFI_PARAVIRT		6	/* Access is via a paravirt interface */
#define EFI_ARCH_1		7	/* First arch-specific bit */
#define EFI_DBG			8	/* Print additional debug info at runtime */
#define EFI_NX_PE_DATA		9	/* Can runtime data regions be mapped non-executable? */
#define EFI_MEM_ATTR		10	/* Did firmware publish an EFI_MEMORY_ATTRIBUTES table? */
#define EFI_SECURE_BOOT		11	/* Are we in Secure Boot mode? */
#define EFI_MEM_NO_SOFT_RESERVE	12	/* Is the kernel configured to ignore soft reservations? */

enum efi_secureboot_mode {
	efi_secureboot_mode_unset,
	efi_secureboot_mode_unknown,
	efi_secureboot_mode_disabled,
	efi_secureboot_mode_enabled,
};

#ifdef CONFIG_EFI
/*
 * Test whether the above EFI_* bits are enabled.
 */
static inline bool efi_enabled(int feature)
{
	return test_bit(feature, &efi.flags) != 0;
}
extern void efi_reboot(enum reboot_mode reboot_mode, const char *__unused);

bool __pure __efi_soft_reserve_enabled(void);

static inline bool __pure efi_soft_reserve_enabled(void)
{
	return IS_ENABLED(CONFIG_EFI_SOFT_RESERVE)
		&& __efi_soft_reserve_enabled();
}

extern void __init efi_set_secure_boot(enum efi_secureboot_mode mode);

static inline bool efi_rt_services_supported(unsigned int mask)
{
	return (efi.runtime_supported_mask & mask) == mask;
}
#else
static inline bool efi_enabled(int feature)
{
	return false;
}
static inline void
efi_reboot(enum reboot_mode reboot_mode, const char *__unused) {}

static inline bool
efi_capsule_pending(int *reset_type)
{
	return false;
}

static inline bool efi_soft_reserve_enabled(void)
{
	return false;
}

static inline bool efi_rt_services_supported(unsigned int mask)
{
	return false;
}

static inline void efi_set_secure_boot(enum efi_secureboot_mode mode) {}
#endif

extern int efi_status_to_err(efi_status_t status);

/*
 * Variable Attributes
 */
#define EFI_VARIABLE_NON_VOLATILE       0x0000000000000001
#define EFI_VARIABLE_BOOTSERVICE_ACCESS 0x0000000000000002
#define EFI_VARIABLE_RUNTIME_ACCESS     0x0000000000000004
#define EFI_VARIABLE_HARDWARE_ERROR_RECORD 0x0000000000000008
#define EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS 0x0000000000000010
#define EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS 0x0000000000000020
#define EFI_VARIABLE_APPEND_WRITE	0x0000000000000040

#define EFI_VARIABLE_MASK 	(EFI_VARIABLE_NON_VOLATILE | \
				EFI_VARIABLE_BOOTSERVICE_ACCESS | \
				EFI_VARIABLE_RUNTIME_ACCESS | \
				EFI_VARIABLE_HARDWARE_ERROR_RECORD | \
				EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS | \
				EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS | \
				EFI_VARIABLE_APPEND_WRITE)
/*
 * Length of a GUID string (strlen("aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee"))
 * not including trailing NUL
 */
#define EFI_VARIABLE_GUID_LEN	UUID_STRING_LEN

/*
 * The type of search to perform when calling boottime->locate_handle
 */
#define EFI_LOCATE_ALL_HANDLES			0
#define EFI_LOCATE_BY_REGISTER_NOTIFY		1
#define EFI_LOCATE_BY_PROTOCOL			2

/*
 * EFI Device Path information
 */
#define EFI_DEV_HW			0x01
#define  EFI_DEV_PCI				 1
#define  EFI_DEV_PCCARD				 2
#define  EFI_DEV_MEM_MAPPED			 3
#define  EFI_DEV_VENDOR				 4
#define  EFI_DEV_CONTROLLER			 5
#define EFI_DEV_ACPI			0x02
#define   EFI_DEV_BASIC_ACPI			 1
#define   EFI_DEV_EXPANDED_ACPI			 2
#define EFI_DEV_MSG			0x03
#define   EFI_DEV_MSG_ATAPI			 1
#define   EFI_DEV_MSG_SCSI			 2
#define   EFI_DEV_MSG_FC			 3
#define   EFI_DEV_MSG_1394			 4
#define   EFI_DEV_MSG_USB			 5
#define   EFI_DEV_MSG_USB_CLASS			15
#define   EFI_DEV_MSG_I20			 6
#define   EFI_DEV_MSG_MAC			11
#define   EFI_DEV_MSG_IPV4			12
#define   EFI_DEV_MSG_IPV6			13
#define   EFI_DEV_MSG_INFINIBAND		 9
#define   EFI_DEV_MSG_UART			14
#define   EFI_DEV_MSG_VENDOR			10
#define EFI_DEV_MEDIA			0x04
#define   EFI_DEV_MEDIA_HARD_DRIVE		 1
#define   EFI_DEV_MEDIA_CDROM			 2
#define   EFI_DEV_MEDIA_VENDOR			 3
#define   EFI_DEV_MEDIA_FILE			 4
#define   EFI_DEV_MEDIA_PROTOCOL		 5
#define EFI_DEV_BIOS_BOOT		0x05
#define EFI_DEV_END_PATH		0x7F
#define EFI_DEV_END_PATH2		0xFF
#define   EFI_DEV_END_INSTANCE			0x01
#define   EFI_DEV_END_ENTIRE			0xFF

struct efi_generic_dev_path {
	u8 type;
	u8 sub_type;
	u16 length;
} __attribute ((packed));

struct efi_dev_path {
	u8 type;	/* can be replaced with unnamed */
	u8 sub_type;	/* struct efi_generic_dev_path; */
	u16 length;	/* once we've moved to -std=c11 */
	union {
		struct {
			u32 hid;
			u32 uid;
		} acpi;
		struct {
			u8 fn;
			u8 dev;
		} pci;
	};
} __attribute ((packed));

#if IS_ENABLED(CONFIG_EFI_DEV_PATH_PARSER)
struct device *efi_get_device_by_path(struct efi_dev_path **node, size_t *len);
#endif

static inline void memrange_efi_to_native(u64 *addr, u64 *npages)
{
	*npages = PFN_UP(*addr + (*npages<<EFI_PAGE_SHIFT)) - PFN_DOWN(*addr);
	*addr &= PAGE_MASK;
}

/*
 * EFI Variable support.
 *
 * Different firmware drivers can expose their EFI-like variables using
 * the following.
 */

struct efivar_operations {
	efi_get_variable_t *get_variable;
	efi_get_next_variable_t *get_next_variable;
	efi_set_variable_t *set_variable;
	efi_set_variable_t *set_variable_nonblocking;
	efi_query_variable_store_t *query_variable_store;
};

struct efivars {
	struct kset *kset;
	struct kobject *kobject;
	const struct efivar_operations *ops;
};

/*
 * The maximum size of VariableName + Data = 1024
 * Therefore, it's reasonable to save that much
 * space in each part of the structure,
 * and we use a page for reading/writing.
 */

#define EFI_VAR_NAME_LEN	1024

struct efi_variable {
	efi_char16_t  VariableName[EFI_VAR_NAME_LEN/sizeof(efi_char16_t)];
	efi_guid_t    VendorGuid;
	unsigned long DataSize;
	__u8          Data[1024];
	efi_status_t  Status;
	__u32         Attributes;
} __attribute__((packed));

struct efivar_entry {
	struct efi_variable var;
	struct list_head list;
	struct kobject kobj;
	bool scanning;
	bool deleting;
};

typedef struct {
	u32 reset;
	u32 output_string;
	u32 test_string;
} efi_simple_text_output_protocol_32_t;

typedef struct {
	u64 reset;
	u64 output_string;
	u64 test_string;
} efi_simple_text_output_protocol_64_t;

typedef union efi_simple_text_output_protocol efi_simple_text_output_protocol_t;

union efi_simple_text_output_protocol {
	struct {
		void *reset;
		efi_status_t (__efiapi *output_string)(efi_simple_text_output_protocol_t *,
						       efi_char16_t *);
		void *test_string;
	};
	struct {
		u32 reset;
		u32 output_string;
		u32 test_string;
	} mixed_mode;
};

#define PIXEL_RGB_RESERVED_8BIT_PER_COLOR		0
#define PIXEL_BGR_RESERVED_8BIT_PER_COLOR		1
#define PIXEL_BIT_MASK					2
#define PIXEL_BLT_ONLY					3
#define PIXEL_FORMAT_MAX				4

typedef struct {
	u32 red_mask;
	u32 green_mask;
	u32 blue_mask;
	u32 reserved_mask;
} efi_pixel_bitmask_t;

typedef struct {
	u32 version;
	u32 horizontal_resolution;
	u32 vertical_resolution;
	int pixel_format;
	efi_pixel_bitmask_t pixel_information;
	u32 pixels_per_scan_line;
} efi_graphics_output_mode_info_t;

typedef struct {
	u32 max_mode;
	u32 mode;
	u32 info;
	u32 size_of_info;
	u64 frame_buffer_base;
	u32 frame_buffer_size;
} efi_graphics_output_protocol_mode_32_t;

typedef struct {
	u32 max_mode;
	u32 mode;
	u64 info;
	u64 size_of_info;
	u64 frame_buffer_base;
	u64 frame_buffer_size;
} efi_graphics_output_protocol_mode_64_t;

typedef union efi_graphics_output_protocol_mode efi_graphics_output_protocol_mode_t;

union efi_graphics_output_protocol_mode {
	struct {
		u32 max_mode;
		u32 mode;
		efi_graphics_output_mode_info_t *info;
		unsigned long size_of_info;
		efi_physical_addr_t frame_buffer_base;
		unsigned long frame_buffer_size;
	};
	struct {
		u32 max_mode;
		u32 mode;
		u32 info;
		u32 size_of_info;
		u64 frame_buffer_base;
		u32 frame_buffer_size;
	} mixed_mode;
};

typedef struct {
	u32 query_mode;
	u32 set_mode;
	u32 blt;
	u32 mode;
} efi_graphics_output_protocol_32_t;

typedef struct {
	u64 query_mode;
	u64 set_mode;
	u64 blt;
	u64 mode;
} efi_graphics_output_protocol_64_t;

typedef union efi_graphics_output_protocol efi_graphics_output_protocol_t;

union efi_graphics_output_protocol {
	struct {
		void *query_mode;
		void *set_mode;
		void *blt;
		efi_graphics_output_protocol_mode_t *mode;
	};
	struct {
		u32 query_mode;
		u32 set_mode;
		u32 blt;
		u32 mode;
	} mixed_mode;
};

extern struct list_head efivar_sysfs_list;

static inline void
efivar_unregister(struct efivar_entry *var)
{
	kobject_put(&var->kobj);
}

int efivars_register(struct efivars *efivars,
		     const struct efivar_operations *ops,
		     struct kobject *kobject);
int efivars_unregister(struct efivars *efivars);
struct kobject *efivars_kobject(void);

int efivar_supports_writes(void);
int efivar_init(int (*func)(efi_char16_t *, efi_guid_t, unsigned long, void *),
		void *data, bool duplicates, struct list_head *head);

int efivar_entry_add(struct efivar_entry *entry, struct list_head *head);
int efivar_entry_remove(struct efivar_entry *entry);

int __efivar_entry_delete(struct efivar_entry *entry);
int efivar_entry_delete(struct efivar_entry *entry);

int efivar_entry_size(struct efivar_entry *entry, unsigned long *size);
int __efivar_entry_get(struct efivar_entry *entry, u32 *attributes,
		       unsigned long *size, void *data);
int efivar_entry_get(struct efivar_entry *entry, u32 *attributes,
		     unsigned long *size, void *data);
int efivar_entry_set(struct efivar_entry *entry, u32 attributes,
		     unsigned long size, void *data, struct list_head *head);
int efivar_entry_set_get_size(struct efivar_entry *entry, u32 attributes,
			      unsigned long *size, void *data, bool *set);
int efivar_entry_set_safe(efi_char16_t *name, efi_guid_t vendor, u32 attributes,
			  bool block, unsigned long size, void *data);

int efivar_entry_iter_begin(void);
void efivar_entry_iter_end(void);

int __efivar_entry_iter(int (*func)(struct efivar_entry *, void *),
			struct list_head *head, void *data,
			struct efivar_entry **prev);
int efivar_entry_iter(int (*func)(struct efivar_entry *, void *),
		      struct list_head *head, void *data);

struct efivar_entry *efivar_entry_find(efi_char16_t *name, efi_guid_t guid,
				       struct list_head *head, bool remove);

bool efivar_validate(efi_guid_t vendor, efi_char16_t *var_name, u8 *data,
		     unsigned long data_size);
bool efivar_variable_is_removable(efi_guid_t vendor, const char *name,
				  size_t len);

extern struct work_struct efivar_work;
void efivar_run_worker(void);

#if defined(CONFIG_EFI_VARS) || defined(CONFIG_EFI_VARS_MODULE)
int efivars_sysfs_init(void);

#define EFIVARS_DATA_SIZE_MAX 1024

#endif /* CONFIG_EFI_VARS */
extern bool efi_capsule_pending(int *reset_type);

extern int efi_capsule_supported(efi_guid_t guid, u32 flags,
				 size_t size, int *reset);

extern int efi_capsule_update(efi_capsule_header_t *capsule,
			      phys_addr_t *pages);

#ifdef CONFIG_EFI_RUNTIME_MAP
int efi_runtime_map_init(struct kobject *);
int efi_get_runtime_map_size(void);
int efi_get_runtime_map_desc_size(void);
int efi_runtime_map_copy(void *buf, size_t bufsz);
#else
static inline int efi_runtime_map_init(struct kobject *kobj)
{
	return 0;
}

static inline int efi_get_runtime_map_size(void)
{
	return 0;
}

static inline int efi_get_runtime_map_desc_size(void)
{
	return 0;
}

static inline int efi_runtime_map_copy(void *buf, size_t bufsz)
{
	return 0;
}

#endif

/* prototypes shared between arch specific and generic stub code */

void efi_printk(efi_system_table_t *sys_table_arg, char *str);

void efi_free(efi_system_table_t *sys_table_arg, unsigned long size,
	      unsigned long addr);

char *efi_convert_cmdline(efi_system_table_t *sys_table_arg,
			  efi_loaded_image_t *image, int *cmd_line_len);

efi_status_t efi_get_memory_map(efi_system_table_t *sys_table_arg,
				struct efi_boot_memmap *map);

efi_status_t efi_low_alloc_above(efi_system_table_t *sys_table_arg,
				 unsigned long size, unsigned long align,
				 unsigned long *addr, unsigned long min);

static inline
efi_status_t efi_low_alloc(efi_system_table_t *sys_table_arg,
			   unsigned long size, unsigned long align,
			   unsigned long *addr)
{
	/*
	 * Don't allocate at 0x0. It will confuse code that
	 * checks pointers against NULL. Skip the first 8
	 * bytes so we start at a nice even number.
	 */
	return efi_low_alloc_above(sys_table_arg, size, align, addr, 0x8);
}

efi_status_t efi_high_alloc(efi_system_table_t *sys_table_arg,
			    unsigned long size, unsigned long align,
			    unsigned long *addr, unsigned long max);

efi_status_t efi_relocate_kernel(efi_system_table_t *sys_table_arg,
				 unsigned long *image_addr,
				 unsigned long image_size,
				 unsigned long alloc_size,
				 unsigned long preferred_addr,
				 unsigned long alignment,
				 unsigned long min_addr);

efi_status_t handle_cmdline_files(efi_system_table_t *sys_table_arg,
				  efi_loaded_image_t *image,
				  char *cmd_line, char *option_string,
				  unsigned long max_addr,
				  unsigned long *load_addr,
				  unsigned long *load_size);

efi_status_t efi_parse_options(char const *cmdline);

efi_status_t efi_setup_gop(efi_system_table_t *sys_table_arg,
			   struct screen_info *si, efi_guid_t *proto,
			   unsigned long size);

bool efi_runtime_disabled(void);
extern void efi_call_virt_check_flags(unsigned long flags, const char *call);
extern unsigned long efi_call_virt_save_flags(void);

enum efi_secureboot_mode efi_get_secureboot(efi_system_table_t *sys_table);

#ifdef CONFIG_RESET_ATTACK_MITIGATION
void efi_enable_reset_attack_mitigation(efi_system_table_t *sys_table_arg);
#else
static inline void
efi_enable_reset_attack_mitigation(efi_system_table_t *sys_table_arg) { }
#endif

efi_status_t efi_random_get_seed(efi_system_table_t *sys_table_arg);

void efi_retrieve_tpm2_eventlog(efi_system_table_t *sys_table);

#define arch_efi_call_virt(p, f, args...)	((p)->f(args))

/*
 * Arch code can implement the following three template macros, avoiding
 * reptition for the void/non-void return cases of {__,}efi_call_virt():
 *
 *  * arch_efi_call_virt_setup()
 *
 *    Sets up the environment for the call (e.g. switching page tables,
 *    allowing kernel-mode use of floating point, if required).
 *
 *  * arch_efi_call_virt()
 *
 *    Performs the call. The last expression in the macro must be the call
 *    itself, allowing the logic to be shared by the void and non-void
 *    cases.
 *
 *  * arch_efi_call_virt_teardown()
 *
 *    Restores the usual kernel environment once the call has returned.
 */

#define efi_call_virt_pointer(p, f, args...)				\
({									\
	efi_status_t __s;						\
	unsigned long __flags;						\
									\
	arch_efi_call_virt_setup();					\
									\
	__flags = efi_call_virt_save_flags();				\
	__s = arch_efi_call_virt(p, f, args);				\
	efi_call_virt_check_flags(__flags, __stringify(f));		\
									\
	arch_efi_call_virt_teardown();					\
									\
	__s;								\
})

#define __efi_call_virt_pointer(p, f, args...)				\
({									\
	unsigned long __flags;						\
									\
	arch_efi_call_virt_setup();					\
									\
	__flags = efi_call_virt_save_flags();				\
	arch_efi_call_virt(p, f, args);					\
	efi_call_virt_check_flags(__flags, __stringify(f));		\
									\
	arch_efi_call_virt_teardown();					\
})

typedef efi_status_t (*efi_exit_boot_map_processing)(
	efi_system_table_t *sys_table_arg,
	struct efi_boot_memmap *map,
	void *priv);

efi_status_t efi_exit_boot_services(efi_system_table_t *sys_table,
				    void *handle,
				    struct efi_boot_memmap *map,
				    void *priv,
				    efi_exit_boot_map_processing priv_func);

#define EFI_RANDOM_SEED_SIZE		64U

struct linux_efi_random_seed {
	u32	size;
	u8	bits[];
};

struct linux_efi_tpm_eventlog {
	u32	size;
	u32	final_events_preboot_size;
	u8	version;
	u8	log[];
};

extern int efi_tpm_eventlog_init(void);

extern unsigned long rci2_table_phys;

struct efi_tcg2_final_events_table {
	u64 version;
	u64 nr_events;
	u8 events[];
};
extern int efi_tpm_final_log_size;

/*
 * efi_runtime_service() function identifiers.
 * "NONE" is used by efi_recover_from_page_fault() to check if the page
 * fault happened while executing an efi runtime service.
 */
enum efi_rts_ids {
	EFI_NONE,
	EFI_GET_TIME,
	EFI_SET_TIME,
	EFI_GET_WAKEUP_TIME,
	EFI_SET_WAKEUP_TIME,
	EFI_GET_VARIABLE,
	EFI_GET_NEXT_VARIABLE,
	EFI_SET_VARIABLE,
	EFI_QUERY_VARIABLE_INFO,
	EFI_GET_NEXT_HIGH_MONO_COUNT,
	EFI_RESET_SYSTEM,
	EFI_UPDATE_CAPSULE,
	EFI_QUERY_CAPSULE_CAPS,
};

/*
 * efi_runtime_work:	Details of EFI Runtime Service work
 * @arg<1-5>:		EFI Runtime Service function arguments
 * @status:		Status of executing EFI Runtime Service
 * @efi_rts_id:		EFI Runtime Service function identifier
 * @efi_rts_comp:	Struct used for handling completions
 */
struct efi_runtime_work {
	void *arg1;
	void *arg2;
	void *arg3;
	void *arg4;
	void *arg5;
	efi_status_t status;
	struct work_struct work;
	enum efi_rts_ids efi_rts_id;
	struct completion efi_rts_comp;
};

/* Workqueue to queue EFI Runtime Services */
extern struct workqueue_struct *efi_rts_wq;

extern struct efi_runtime_work efi_rts_work;

struct linux_efi_memreserve {
	int		size;			// allocated size of the array
	atomic_t	count;			// number of entries used
	phys_addr_t	next;			// pa of next struct instance
	struct {
		phys_addr_t	base;
		phys_addr_t	size;
	} entry[0];
};

#define EFI_MEMRESERVE_SIZE(count) (sizeof(struct linux_efi_memreserve) + \
	(count) * sizeof(((struct linux_efi_memreserve *)0)->entry[0]))

#define EFI_MEMRESERVE_COUNT(size) (((size) - sizeof(struct linux_efi_memreserve)) \
	/ sizeof(((struct linux_efi_memreserve *)0)->entry[0]))

/*
 * The LINUX_EFI_MOK_VARIABLE_TABLE_GUID config table can be provided
 * to the kernel by an EFI boot loader. The table contains a packed
 * sequence of these entries, one for each named MOK variable.
 * The sequence is terminated by an entry with a completely NULL
 * name and 0 data size.
 */
struct efi_mokvar_table_entry {
	char name[256];
	u64 data_size;
	u8 data[];
} __attribute((packed));

#ifdef CONFIG_LOAD_UEFI_KEYS
extern void __init efi_mokvar_table_init(void);
extern struct efi_mokvar_table_entry *efi_mokvar_entry_next(
			struct efi_mokvar_table_entry **mokvar_entry);
extern struct efi_mokvar_table_entry *efi_mokvar_entry_find(const char *name);
#else
static inline void efi_mokvar_table_init(void) { }
static inline struct efi_mokvar_table_entry *efi_mokvar_entry_next(
			struct efi_mokvar_table_entry **mokvar_entry)
{
	return NULL;
}
static inline struct efi_mokvar_table_entry *efi_mokvar_entry_find(
			const char *name)
{
	return NULL;
}
#endif

#endif /* _LINUX_EFI_H */

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