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| author | Jerry Hoemann <jerry.hoemann@hpe.com> | 2022-05-24 13:32:39 +0200 |
|---|---|---|
| committer | Jean Delvare <jdelvare@suse.de> | 2022-05-24 13:32:39 +0200 |
| commit | a09530f708087e88d08b62a55553236e7734dc75 (patch) | |
| tree | d315803612f11b92c6aa0e53affae4349b201e95 | |
| parent | 1286fc98c4f621b608de2903e30be710123d1128 (diff) | |
| download | dmidecode-git-a09530f708087e88d08b62a55553236e7734dc75.tar.gz | |
dmioem: Decode HPE OEM Record 199
Decode HPE OEM Record 199: CPU Microcode Patch. Only G9 and later are
supported.
Signed-off-by: Jerry Hoemann <jerry.hoemann@hpe.com>
Signed-off-by: Jean Delvare <jdelvare@suse.de>
| -rw-r--r-- | dmioem.c | 31 |
1 files changed, 31 insertions, 0 deletions
@@ -313,6 +313,37 @@ static int dmi_decode_hp(const struct dmi_header *h) switch (h->type) { + case 199: + /* + * Vendor Specific: CPU Microcode Patch + * + * Offset | Name | Width | Description + * ------------------------------------- + * 0x00 | Type | BYTE | 0xC7, CPU Microcode Patch + * 0x01 | Length | BYTE | Length of structure + * 0x02 | Handle | WORD | Unique handle + * 0x04 | Patch Info | Varies| { <DWORD: ID, DWORD Date, DWORD CPUID> ...} + */ + if (gen < G9) return 0; + pr_handle_name("%s ProLiant CPU Microcode Patch Support Info", company); + + for (ptr = 0x4; ptr + 12 <= h->length; ptr += 12) { + u32 cpuid = DWORD(data + ptr + 2 * 4); + u32 date; + + /* AMD omits BaseFamily. Reconstruction valid on family >= 15. */ + if (cpuid_type == cpuid_x86_amd) + cpuid = ((cpuid & 0xfff00) << 8) | 0x0f00 | (cpuid & 0xff); + + dmi_print_cpuid(pr_attr, "CPU ID", cpuid_type, (u8 *) &cpuid); + + date = DWORD(data + ptr + 4); + pr_subattr("Date", "%04x-%02x-%02x", + date & 0xffff, (date >> 24) & 0xff, (date >> 16) & 0xff); + pr_subattr("Patch", "0x%X", DWORD(data + ptr)); + } + break; + case 203: /* * Vendor Specific: HP Device Correlation Record |