All of lore.kernel.org
 help / color / mirror / Atom feed
From: Borislav Petkov <bp@alien8.de>
To: X86 ML <x86@kernel.org>
Cc: Feng Tang <feng.tang@intel.com>, LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] tools/x86/kcpuid: Add AMD Secure Encryption leaf
Date: Sun, 14 Mar 2021 01:35:27 +0100	[thread overview]
Message-ID: <20210314003527.GJ16144@zn.tnic> (raw)
In-Reply-To: <20210313140118.17010-1-bp@alien8.de>

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

  reply	other threads:[~2021-03-14  0:40 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-13 14:01 [PATCH] tools/x86/kcpuid: Add AMD Secure Encryption leaf Borislav Petkov
2021-03-14  0:35 ` Borislav Petkov [this message]
2021-03-15  2:12   ` Feng Tang
2021-03-15 13:06 ` [tip: x86/misc] " tip-bot2 for Borislav Petkov

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20210314003527.GJ16144@zn.tnic \
    --to=bp@alien8.de \
    --cc=feng.tang@intel.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=x86@kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.