Displaying 9 results from an estimated 9 matches for "sev_es_enable_key".
2020 Aug 24
0
[PATCH v6 46/76] x86/sev-es: Adjust #VC IST Stack on entering NMI handler
...--- a/arch/x86/include/asm/sev-es.h
+++ b/arch/x86/include/asm/sev-es.h
@@ -77,4 +77,23 @@ static inline u64 lower_bits(u64 val, unsigned int bits)
extern void vc_no_ghcb(void);
extern bool handle_vc_boot_ghcb(struct pt_regs *regs);
+#ifdef CONFIG_AMD_MEM_ENCRYPT
+extern struct static_key_false sev_es_enable_key;
+extern void __sev_es_ist_enter(struct pt_regs *regs);
+extern void __sev_es_ist_exit(void);
+static __always_inline void sev_es_ist_enter(struct pt_regs *regs)
+{
+ if (static_branch_unlikely(&sev_es_enable_key))
+ __sev_es_ist_enter(regs);
+}
+static __always_inline void sev_es_ist_exit(voi...
2020 Jul 24
0
[PATCH v5 75/75] x86/sev-es: Check required CPU features for SEV-ES
...rnel/sev-es.c
+++ b/arch/x86/kernel/sev-es.c
@@ -670,6 +670,9 @@ void __init sev_es_init_vc_handling(void)
if (!sev_es_active())
return;
+ if (!sev_es_check_cpu_features())
+ panic("SEV-ES CPU Features missing");
+
/* Enable SEV-ES special handling */
static_branch_enable(&sev_es_enable_key);
--
2.27.0
2020 Sep 07
0
[PATCH v7 71/72] x86/efi: Add GHCB mappings when SEV-ES is active
...t;
diff --git a/arch/x86/include/asm/sev-es.h b/arch/x86/include/asm/sev-es.h
index e919f09ae33c..cf1d957c7091 100644
--- a/arch/x86/include/asm/sev-es.h
+++ b/arch/x86/include/asm/sev-es.h
@@ -102,11 +102,13 @@ static __always_inline void sev_es_nmi_complete(void)
if (static_branch_unlikely(&sev_es_enable_key))
__sev_es_nmi_complete();
}
+extern int __init sev_es_efi_map_ghcbs(pgd_t *pgd);
#else
static inline void sev_es_ist_enter(struct pt_regs *regs) { }
static inline void sev_es_ist_exit(void) { }
static inline int sev_es_setup_ap_jump_table(struct real_mode_header *rmh) { return 0; }
static...
2020 Aug 24
0
[PATCH v6 69/76] x86/realmode: Setup AP jump table
...& mask);
}
+struct real_mode_header;
+enum stack_type;
+
/* Early IDT entry points for #VC handler */
extern void vc_no_ghcb(void);
extern bool handle_vc_boot_ghcb(struct pt_regs *regs);
@@ -91,9 +94,11 @@ static __always_inline void sev_es_ist_exit(void)
if (static_branch_unlikely(&sev_es_enable_key))
__sev_es_ist_exit();
}
+extern int sev_es_setup_ap_jump_table(struct real_mode_header *rmh);
#else
static inline void sev_es_ist_enter(struct pt_regs *regs) { }
static inline void sev_es_ist_exit(void) { }
+static inline int sev_es_setup_ap_jump_table(struct real_mode_header *rmh) { return...
2020 Sep 09
0
[PATCH v7 71/72] x86/efi: Add GHCB mappings when SEV-ES is active
...sev-es.h
>>> index e919f09ae33c..cf1d957c7091 100644
>>> --- a/arch/x86/include/asm/sev-es.h
>>> +++ b/arch/x86/include/asm/sev-es.h
>>> @@ -102,11 +102,13 @@ static __always_inline void sev_es_nmi_complete(void)
>>> if (static_branch_unlikely(&sev_es_enable_key))
>>> __sev_es_nmi_complete();
>>> }
>>> +extern int __init sev_es_efi_map_ghcbs(pgd_t *pgd);
>>> #else
>>> static inline void sev_es_ist_enter(struct pt_regs *regs) { }
>>> static inline void sev_es_ist_exit(void) { }
>>...
2020 Aug 24
96
[PATCH v6 00/76] x86: SEV-ES Guest Support
From: Joerg Roedel <jroedel at suse.de>
Hi,
here is the new version of the SEV-ES client enabling patch-set. It is
based on the latest tip/master branch and contains the necessary
changes. In particular those ar:
- Enabling CR4.FSGSBASE early on supported processors so that
early #VC exceptions on APs can be handled.
- Add another patch (patch 1) to fix a KVM frame-size build
2020 Jul 24
86
[PATCH v5 00/75] x86: SEV-ES Guest Support
From: Joerg Roedel <jroedel at suse.de>
Hi,
here is a rebased version of the latest SEV-ES patches. They are now
based on latest tip/master instead of upstream Linux and include the
necessary changes.
Changes to v4 are in particular:
- Moved early IDT setup code to idt.c, because the idt_descr
and the idt_table are now static
- This required to make stack protector work early (or
2020 Sep 07
84
[PATCH v7 00/72] x86: SEV-ES Guest Support
From: Joerg Roedel <jroedel at suse.de>
Hi,
here is a new version of the SEV-ES Guest Support patches for x86. The
previous versions can be found as a linked list starting here:
https://lore.kernel.org/lkml/20200824085511.7553-1-joro at 8bytes.org/
I updated the patch-set based on ther review comments I got and the
discussions around it.
Another important change is that the early IDT
2020 Sep 07
84
[PATCH v7 00/72] x86: SEV-ES Guest Support
From: Joerg Roedel <jroedel at suse.de>
Hi,
here is a new version of the SEV-ES Guest Support patches for x86. The
previous versions can be found as a linked list starting here:
https://lore.kernel.org/lkml/20200824085511.7553-1-joro at 8bytes.org/
I updated the patch-set based on ther review comments I got and the
discussions around it.
Another important change is that the early IDT