[dmidecode] [PATCH 1/1] dmioem: HPE OEM Record 199

[Jerry Hoemann]

Decode HPE OEM Record 199: CPU Microcode Patch.

Signed-off-by: Jerry Hoemann <jerry.hoemann@hpe.com>
---
 dmioem.c | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/dmioem.c b/dmioem.c
index 8fe84e0..58ad400 100644
--- a/dmioem.c
+++ b/dmioem.c
@@ -310,6 +310,36 @@ static int dmi_decode_hp(const struct dmi_header *h)
 
        switch (h->type)
        {
+               case 199:
+                       /*
+                        * Vendor Specific: CPU Microcode Patch
+                        *
+                        * Type 199:
+                        * 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> ...}
+                        */
+                       pr_handle_name("%s ProLiant CPU Microcode Patch Support 
Info", company);
+
+                       for (ptr = 0x4; ptr + 12 <= h->length; ptr += 12) {
+                               u32 date;
+                               u32 cpuid;
+
+                               pr_attr("Patch", "0x%08X",  DWORD(data + ptr));
+                               date = DWORD(data + ptr + sizeof(u32));
+                               pr_attr("Date", "%2x/%02x/%4x",
+                                       (date >> 24) & 0xff, (date >> 16) & 
0xff, date & 0xffff);
+                               cpuid = DWORD(data + ptr + 2 * sizeof(u32));
+                               pr_attr("CPUID", "%02X %02X %02X %02X",
+                                               cpuid & 0xff, (cpuid >> 8) & 
0xff,
+                                               (cpuid >> 16) & 0xff, (cpuid >> 
24) & 0xff);
+                       }
+
+                       break;
+
                case 203:
                        /*
                         * Vendor Specific: HP Device Correlation Record
-- 
2.26.2