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SubjectRe: [PATCH 2/2] tools/x86/kcpuid: Add AMD leaf 0x8000001E
On Mon, Mar 15, 2021 at 01:59:01PM +0100, Borislav Petkov wrote:
> From: Borislav Petkov <bp@suse.de>
>
> Contains core IDs, node IDs and other topology info.
>
> Signed-off-by: Borislav Petkov <bp@suse.de>

Acked-by: Feng Tang <feng.tang@intel.com>

Also I'm wondering for some basic leaf and extended leaf which
may has different definition for different vendors, do we need
to seprate the csv to a general one and vendor specific ones.

Thanks,
Feng

> ---
> tools/arch/x86/kcpuid/cpuid.csv | 26 ++++++++++++++++++--------
> 1 file changed, 18 insertions(+), 8 deletions(-)
>
> diff --git a/tools/arch/x86/kcpuid/cpuid.csv b/tools/arch/x86/kcpuid/cpuid.csv
> index dd94c07421a8..4f1c4b0c29e9 100644
> --- a/tools/arch/x86/kcpuid/cpuid.csv
> +++ b/tools/arch/x86/kcpuid/cpuid.csv
> @@ -379,12 +379,22 @@
> 0x80000008, 0, EAX, 15:8, lnr_adr_bits, Linear Address Bits
> 0x80000007, 0, EBX, 9, wbnoinvd, WBNOINVD
>
> +# 0x8000001E
> +# EAX: Extended APIC ID
> +0x8000001E, 0, EAX, 31:0, extended_apic_id, Extended APIC ID
> +# EBX: Core Identifiers
> +0x8000001E, 0, EBX, 7:0, core_id, Identifies the logical core ID
> +0x8000001E, 0, EBX, 15:8, threads_per_core, The number of threads per core is threads_per_core + 1
> +# ECX: Node Identifiers
> +0x8000001E, 0, ECX, 7:0, node_id, Node ID
> +0x8000001E, 0, ECX, 10:8, nodes_per_processor, Nodes per processor { 0: 1 node, else reserved }
> +
> # 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
> +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

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