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Brijesh Singh d5af44dde5 x86/sev: Provide support for SNP guest request NAEs 
Version 2 of GHCB specification provides SNP_GUEST_REQUEST and
SNP_EXT_GUEST_REQUEST NAE that can be used by the SNP guest to
communicate with the PSP.

While at it, add a snp_issue_guest_request() helper that will be used by
driver or other subsystem to issue the request to PSP.

See SEV-SNP firmware and GHCB spec for more details.

Signed-off-by: Brijesh Singh <brijesh.singh@amd.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lore.kernel.org/r/20220307213356.2797205-42-brijesh.singh@amd.com
 		2022-04-07 16:47:12 +02:00
..
acpi Power management updates for 5.18-rc1 2022-03-21 14:26:28 -07:00
apic bitmap patches for 5.17-rc1 2022-01-23 06:20:44 +02:00
cpu x86/sev: Register GHCB memory when SEV-SNP is active 2022-04-06 13:16:58 +02:00
fpu x86/fpu/xstate: Consolidate size calculations 2022-03-30 12:04:09 +02:00
kprobes x86,kprobes: Fix optprobe trampoline to generate complete pt_regs 2022-03-28 19:38:51 -07:00
.gitignore
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Makefile x86/head/64: Re-enable stack protection 2022-04-06 17:06:55 +02:00
alternative.c Add support for Intel CET-IBT, available since Tigerlake (11th gen), which is a 2022-03-27 10:17:23 -07:00
amd_gart_64.c x86/amd_gart: don't set failed sg dma_address to DMA_MAPPING_ERROR 2021-08-09 17:13:06 +02:00
amd_nb.c hwmon updates for v5.17 2022-01-11 10:25:36 -08:00
aperture_64.c proc/vmcore: convert oldmem_pfn_is_ram callback to more generic vmcore callbacks 2021-11-09 10:02:48 -08:00
apm_32.c x86/ibt: Disable IBT around firmware 2022-03-15 10:32:40 +01:00
asm-offsets.c um, x86: bury crypto_tfm_ctx_offset 2021-12-21 21:31:35 +01:00
asm-offsets_32.c
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asm-offsets_64.c
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audit_64.c audit: add support for the openat2 syscall 2021-10-01 16:52:48 -04:00
bootflag.c
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check.c
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cpuid.c
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crash.c x86/crash: Remove crash_reserve_low_1M() 2021-06-07 12:14:45 +02:00
crash_core_32.c
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crash_core_64.c
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crash_dump_32.c
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crash_dump_64.c x86/sev: Replace occurrences of sev_active() with cc_platform_has() 2021-10-04 11:46:58 +02:00
devicetree.c Devicetree updates for v5.16: 2021-11-02 22:22:13 -07:00
doublefault_32.c exit/doublefault: Remove apparently bogus comment about rewind_stack_do_exit 2021-10-20 13:09:43 -05:00
dumpstack.c x86: remove __range_not_ok() 2022-02-25 09:36:05 +01:00
dumpstack_32.c
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dumpstack_64.c x86/mm/64: Improve stack overflow warnings 2021-09-21 13:57:43 +02:00
e820.c x86/boot: Fix memremap of setup_indirect structures 2022-03-09 12:49:44 +01:00
early-quirks.c Merge drm/drm-next into drm-intel-next 2022-01-31 13:19:33 -05:00
early_printk.c usb: early: xhci-dbc: Remove duplicate keep parsing 2022-03-15 18:20:34 +01:00
ebda.c
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eisa.c
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espfix_64.c
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ftrace.c x86/ibt,ftrace: Make function-graph play nice 2022-03-15 10:32:37 +01:00
ftrace_32.S x86: Prepare asm files for straight-line-speculation 2021-12-08 12:25:37 +01:00
ftrace_64.S x86/ibt,ftrace: Annotate ftrace code patching 2022-03-15 10:32:41 +01:00
head32.c
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head64.c x86/head/64: Re-enable stack protection 2022-04-06 17:06:55 +02:00
head_32.S x86: Prepare asm files for straight-line-speculation 2021-12-08 12:25:37 +01:00
head_64.S x86/head/64: Re-enable stack protection 2022-04-06 17:06:55 +02:00
hpet.c rtc: Check return value from mc146818_get_time() 2021-12-16 21:50:06 +01:00
hw_breakpoint.c
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i8237.c
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i8253.c
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i8259.c x86: Avoid magic number with ELCR register accesses 2021-08-10 23:31:43 +02:00
idt.c x86/ibt: Add IBT feature, MSR and #CP handling 2022-03-15 10:32:39 +01:00
io_delay.c
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ioport.c
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irq.c x86/irq: Ensure PI wakeup handler is unregistered before module unload 2021-10-22 12:45:35 -04:00
irq_32.c x86/softirq: Disable softirq stacks on PREEMPT_RT 2021-09-27 12:28:32 +02:00
irq_64.c
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irq_work.c
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irqflags.S x86: Prepare asm files for straight-line-speculation 2021-12-08 12:25:37 +01:00
irqinit.c
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itmt.c x86/sched: Decrease further the priorities of SMT siblings 2021-10-05 15:51:59 +02:00
jailhouse.c
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jump_label.c jump_labels: Mark __jump_label_transform() as __always_inlined to work around aggressive compiler un-inlining 2021-07-13 06:32:05 +02:00
kdebugfs.c x86/boot: Fix memremap of setup_indirect structures 2022-03-09 12:49:44 +01:00
kexec-bzimage64.c
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kgdb.c
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ksysfs.c x86/boot: Fix memremap of setup_indirect structures 2022-03-09 12:49:44 +01:00
kvm.c * Only do MSR filtering for MSRs accessed by rdmsr/wrmsr 2022-04-02 12:09:02 -07:00
kvmclock.c x86/kvmclock: Fix Hyper-V Isolated VM's boot issue when vCPUs > 64 2022-02-25 10:09:34 -05:00
ldt.c memcg: enable accounting for ldt_struct objects 2021-09-03 09:58:13 -07:00
machine_kexec_32.c x86/kexec: Set_[gi]dt() -> native_[gi]dt_invalidate() in machine_kexec_*.c 2021-05-21 12:36:45 +02:00
machine_kexec_64.c x86/ibt,kexec: Disable CET on kexec 2022-03-15 10:32:39 +01:00
mmconf-fam10h_64.c x86/msr: Rename MSR_K8_SYSCFG to MSR_AMD64_SYSCFG 2021-05-10 07:51:38 +02:00
module.c Add support for Intel CET-IBT, available since Tigerlake (11th gen), which is a 2022-03-27 10:17:23 -07:00
mpparse.c x86: Avoid magic number with ELCR register accesses 2021-08-10 23:31:43 +02:00
msr.c
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nmi.c x86/nmi: Remove the 'strange power saving mode' hint from unknown NMI handler 2022-03-16 11:02:41 +01:00
nmi_selftest.c
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paravirt-spinlocks.c
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paravirt.c x86/ibt,paravirt: Sprinkle ENDBR 2022-03-15 10:32:36 +01:00
pci-dma.c
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pci-iommu_table.c
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pci-swiotlb.c x86/sme: Replace occurrences of sme_active() with cc_platform_has() 2021-10-04 11:46:46 +02:00
pcspeaker.c
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perf_regs.c
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platform-quirks.c
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pmem.c
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probe_roms.c x86/kernel: Validate ROM memory before accessing when SEV-SNP is active 2022-04-06 13:23:09 +02:00
process.c Merge branch 'x86/cpu' into x86/core, to resolve conflicts 2022-03-15 12:52:51 +01:00
process.h x86: Snapshot thread flags 2021-12-01 00:06:43 +01:00
process_32.c x86/fpu: Move context switch and exit to user inlines into sched.h 2021-10-20 15:27:27 +02:00
process_64.c x86: Remove toolchain check for X32 ABI capability 2022-03-15 10:32:48 +01:00
ptrace.c ptrace: Cleanups for v5.18 2022-03-28 17:29:53 -07:00
pvclock.c
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quirks.c
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reboot.c x86/mm: Flush global TLB when switching to trampoline page-table 2021-12-06 09:54:10 +01:00
reboot_fixups_32.c
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relocate_kernel_32.S x86: Prepare asm files for straight-line-speculation 2021-12-08 12:25:37 +01:00
relocate_kernel_64.S x86/ibt: Annotate text references 2022-03-15 10:32:40 +01:00
resource.c x86/PCI: revert "Ignore E820 reservations for bridge windows on newer systems" 2022-02-09 19:42:58 +01:00
rethook.c x86,rethook: Fix arch_rethook_trampoline() to generate a complete pt_regs 2022-03-28 19:38:51 -07:00
rtc.c
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setup.c x86/setup: use IS_ENABLED(CONFIG_KEXEC_CORE) instead of #ifdef 2022-03-23 19:00:34 -07:00
setup_percpu.c mm: percpu: add generic pcpu_populate_pte() function 2022-01-20 08:52:52 +02:00
sev-shared.c x86/sev: Use firmware-validated CPUID for SEV-SNP guests 2022-04-07 16:47:12 +02:00
sev.c x86/sev: Provide support for SNP guest request NAEs 2022-04-07 16:47:12 +02:00
sev_verify_cbit.S x86: Prepare asm files for straight-line-speculation 2021-12-08 12:25:37 +01:00
signal.c tracehook: Remove tracehook.h 2022-03-10 16:51:51 -06:00
signal_compat.c signal: Verify the alignment and size of siginfo_t 2021-07-23 13:15:31 -05:00
smp.c
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smpboot.c x86/sev: Use SEV-SNP AP creation to start secondary CPUs 2022-04-06 17:06:49 +02:00
stacktrace.c x86: remove __range_not_ok() 2022-02-25 09:36:05 +01:00
static_call.c x86: Add straight-line-speculation mitigation 2021-12-09 13:32:25 +01:00
step.c
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sys_ia32.c
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sys_x86_64.c
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tboot.c
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time.c
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tls.c
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tls.h
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topology.c drivers/base/node: consolidate node device subsystem initialization in node_dev_init() 2022-03-22 15:57:10 -07:00
trace.c trace/osnoise: Fix an ifdef comment 2021-10-25 23:02:36 -04:00
trace_clock.c
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tracepoint.c
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traps.c Reenable ENQCMD/PASID support: 2022-03-21 12:28:13 -07:00
tsc.c x86/tsc: Be consistent about use_tsc_delay() 2022-03-15 18:20:33 +01:00
tsc_msr.c
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tsc_sync.c x86/tsc: Add a timer to make sure TSC_adjust is always checked 2021-12-02 00:40:35 +01:00
umip.c x86/umip: Downgrade warning messages to debug loglevel 2021-09-25 13:23:28 +02:00
unwind_frame.c x86/unwind: Recover kretprobe trampoline entry 2021-09-30 21:24:07 -04:00
unwind_guess.c x86/unwind: Recover kretprobe trampoline entry 2021-09-30 21:24:07 -04:00
unwind_orc.c x86,rethook,kprobes: Replace kretprobe with rethook on x86 2022-03-28 19:38:51 -07:00
uprobes.c
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verify_cpu.S x86: Prepare asm files for straight-line-speculation 2021-12-08 12:25:37 +01:00
vm86_32.c signal: Replace force_fatal_sig with force_exit_sig when in doubt 2021-11-19 09:15:58 -06:00
vmlinux.lds.S objtool: Find unused ENDBR instructions 2022-03-15 10:32:47 +01:00
vsmp_64.c
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x86_init.c x86/mm/cpa: Generalize __set_memory_enc_pgtable() 2022-02-23 19:14:29 +01:00