Messages in this thread | | | Date | Tue, 16 Mar 2021 15:42:23 +0800 | From | Feng Tang <> | Subject | Re: [PATCH 2/2] tools/x86/kcpuid: Add AMD leaf 0x8000001E |
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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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