* Re: [PATCH] tools/x86/kcpuid: Add AMD Secure Encryption leaf
2021-03-13 14:01 [PATCH] tools/x86/kcpuid: Add AMD Secure Encryption leaf Borislav Petkov
@ 2021-03-14 0:35 ` Borislav Petkov
2021-03-15 2:12 ` Feng Tang
2021-03-15 13:06 ` [tip: x86/misc] " tip-bot2 for Borislav Petkov
1 sibling, 1 reply; 4+ messages in thread
From: Borislav Petkov @ 2021-03-14 0:35 UTC (permalink / raw)
To: X86 ML; +Cc: Feng Tang, LKML
On Sat, Mar 13, 2021 at 03:01:18PM +0100, Borislav Petkov wrote:
> From: Borislav Petkov <bp@suse.de>
>
> Add the 0x8000001f leaf's fields.
>
> Signed-off-by: Borislav Petkov <bp@suse.de>
> ---
> tools/arch/x86/kcpuid/cpuid.csv | 10 ++++++++++
> 1 file changed, 10 insertions(+)
>
> diff --git a/tools/arch/x86/kcpuid/cpuid.csv b/tools/arch/x86/kcpuid/cpuid.csv
> index f4a5b85073f4..7cb5c2189345 100644
> --- a/tools/arch/x86/kcpuid/cpuid.csv
> +++ b/tools/arch/x86/kcpuid/cpuid.csv
> @@ -378,3 +378,13 @@
> 0x80000008, 0, EAX, 7:0, phy_adr_bits, Physical Address Bits
> 0x80000008, 0, EAX, 15:8, lnr_adr_bits, Linear Address Bits
> 0x80000007, 0, EBX, 9, wbnoinvd, WBNOINVD
> +
> +# 8000001F: AMD Secure Encryption
> +0x8000001F, 0, EAX, 0, SME, Secure Memory Encryption
> +0x8000001F, 0, EAX, 1, SEV, Secure Encrypted Virtualization
> +0x8000001F, 0, EAX, 2, VmPgFlush, VM Page Flush MSR
> +0x8000001F, 0, EAX, 3, SevEs, SEV Encrypted State
> +0x8000001F, 0, EBX, 5:0, C-Bit, Page table bit number used to enable memory encryption
> +0x8000001F, 0, EBX, 11:6, MemEncryptPhysAddWidth, Reduction of physical address space in bits when SME is enabled
> +0x8000001F, 0, ECX, 31:0, NumEncryptedGuests, Maximum ASID value that may be used for an SEV-enabled guest
> +0x8000001F, 0, EDX, 31:0, MinimumSEVASID, Minimum ASID value that must be used for an SEV-enabled, SEV-ES-disabled guest
Yeah, I guess we should keep the bit names in lowercase, for simplicity.
---
From: Borislav Petkov <bp@suse.de>
Date: Sat, 13 Mar 2021 14:56:16 +0100
Subject: [PATCH] tools/x86/kcpuid: Add AMD Secure Encryption leaf
Add the 0x8000001f leaf's fields.
Signed-off-by: Borislav Petkov <bp@suse.de>
---
tools/arch/x86/kcpuid/cpuid.csv | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/tools/arch/x86/kcpuid/cpuid.csv b/tools/arch/x86/kcpuid/cpuid.csv
index f4a5b85073f4..dd94c07421a8 100644
--- a/tools/arch/x86/kcpuid/cpuid.csv
+++ b/tools/arch/x86/kcpuid/cpuid.csv
@@ -378,3 +378,13 @@
0x80000008, 0, EAX, 7:0, phy_adr_bits, Physical Address Bits
0x80000008, 0, EAX, 15:8, lnr_adr_bits, Linear Address Bits
0x80000007, 0, EBX, 9, wbnoinvd, WBNOINVD
+
+# 8000001F: AMD Secure Encryption
+0x8000001F, 0, EAX, 0, sme, Secure Memory Encryption
+0x8000001F, 0, EAX, 1, sev, Secure Encrypted Virtualization
+0x8000001F, 0, EAX, 2, vmpgflush, VM Page Flush MSR
+0x8000001F, 0, EAX, 3, seves, SEV Encrypted State
+0x8000001F, 0, EBX, 5:0, c-bit, Page table bit number used to enable memory encryption
+0x8000001F, 0, EBX, 11:6, mem_encrypt_physaddr_width, Reduction of physical address space in bits with SME enabled
+0x8000001F, 0, ECX, 31:0, num_encrypted_guests, Maximum ASID value that may be used for an SEV-enabled guest
+0x8000001F, 0, EDX, 31:0, minimum_sev_asid, Minimum ASID value that must be used for an SEV-enabled, SEV-ES-disabled guest
--
2.29.2
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette
^ permalink raw reply related [flat|nested] 4+ messages in thread* [tip: x86/misc] tools/x86/kcpuid: Add AMD Secure Encryption leaf
2021-03-13 14:01 [PATCH] tools/x86/kcpuid: Add AMD Secure Encryption leaf Borislav Petkov
2021-03-14 0:35 ` Borislav Petkov
@ 2021-03-15 13:06 ` tip-bot2 for Borislav Petkov
1 sibling, 0 replies; 4+ messages in thread
From: tip-bot2 for Borislav Petkov @ 2021-03-15 13:06 UTC (permalink / raw)
To: linux-tip-commits; +Cc: Borislav Petkov, Feng Tang, x86, linux-kernel
The following commit has been merged into the x86/misc branch of tip:
Commit-ID: 2d4177c01b4e7496c7d47b31865f8c85bffb3604
Gitweb: https://git.kernel.org/tip/2d4177c01b4e7496c7d47b31865f8c85bffb3604
Author: Borislav Petkov <bp@suse.de>
AuthorDate: Sat, 13 Mar 2021 14:56:16 +01:00
Committer: Borislav Petkov <bp@suse.de>
CommitterDate: Mon, 15 Mar 2021 14:01:25 +01:00
tools/x86/kcpuid: Add AMD Secure Encryption leaf
Add the 0x8000001f leaf's fields.
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Feng Tang <feng.tang@intel.com>
Link: https://lkml.kernel.org/r/20210313140118.17010-1-bp@alien8.de
---
tools/arch/x86/kcpuid/cpuid.csv | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/tools/arch/x86/kcpuid/cpuid.csv b/tools/arch/x86/kcpuid/cpuid.csv
index f4a5b85..dd94c07 100644
--- a/tools/arch/x86/kcpuid/cpuid.csv
+++ b/tools/arch/x86/kcpuid/cpuid.csv
@@ -378,3 +378,13 @@
0x80000008, 0, EAX, 7:0, phy_adr_bits, Physical Address Bits
0x80000008, 0, EAX, 15:8, lnr_adr_bits, Linear Address Bits
0x80000007, 0, EBX, 9, wbnoinvd, WBNOINVD
+
+# 8000001F: AMD Secure Encryption
+0x8000001F, 0, EAX, 0, sme, Secure Memory Encryption
+0x8000001F, 0, EAX, 1, sev, Secure Encrypted Virtualization
+0x8000001F, 0, EAX, 2, vmpgflush, VM Page Flush MSR
+0x8000001F, 0, EAX, 3, seves, SEV Encrypted State
+0x8000001F, 0, EBX, 5:0, c-bit, Page table bit number used to enable memory encryption
+0x8000001F, 0, EBX, 11:6, mem_encrypt_physaddr_width, Reduction of physical address space in bits with SME enabled
+0x8000001F, 0, ECX, 31:0, num_encrypted_guests, Maximum ASID value that may be used for an SEV-enabled guest
+0x8000001F, 0, EDX, 31:0, minimum_sev_asid, Minimum ASID value that must be used for an SEV-enabled, SEV-ES-disabled guest
^ permalink raw reply related [flat|nested] 4+ messages in thread