[PATCH 1/1] dmioem: Decode HPE OEM Record 245

[Jerry Hoemann]

Decode HPE OEM Record 245: Extension Board Inventory Record.

Signed-off-by: Jerry Hoemann <jerry.hoemann@hpe.com>
---
 dmioem.c | 56 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 56 insertions(+)

diff --git a/dmioem.c b/dmioem.c
index 04a89ab..5ccd30e 100644
--- a/dmioem.c
+++ b/dmioem.c
@@ -771,6 +771,28 @@ static void dmi_hp_242_speed(const char *attr, u16 speed)
                pr_attr(attr, "%s", "Unknown");
 }
 
+static void dmi_hp_245_pcie_riser(const struct dmi_header *h)
+{
+       const char *str = "Reserved";
+       u8 *data = h->data;
+
+       pr_attr("Board Type", "PCIe Riser");
+       if (h->length < 0x09) return;
+       switch (data[0x05])
+       {
+               case 1: str = "Primary"; break;
+               case 2: str = "Secondary"; break;
+               case 3: str = "Tertiary"; break;
+               case 4: str = "Quaternary"; break;
+               case 10: str = "Front"; break;
+       }
+       pr_attr("Riser Position", "%s", str);
+       pr_attr("Riser ID", "%d", data[0x06]);
+       if (data[0x07])
+               pr_attr("CPLD Version", "%c:%x", (data[0x07] >> 7) ? 'B' : 'R', 
(data[0x07] & 0x7F));
+       pr_attr("Riser Name", dmi_string(h, data[0x08]));
+}
+
 static int dmi_decode_hp(const struct dmi_header *h)
 {
        u8 *data = h->data;
@@ -1490,6 +1512,40 @@ static int dmi_decode_hp(const struct dmi_header *h)
                        dmi_hp_242_speed("Negotiated Speed", WORD(data + 0x3A));
                        dmi_hp_242_speed("Capable Speed", WORD(data + 0x3C));
                        break;
+
+               case 245:
+                       /*
+                        * Vendor Specific: HPE Extension Board Inventory Record
+                        *
+                        * This record provides a mechanism for software to 
retrieve installed
+                        * Extension Boards in system, such as Riser Cards, 
etc. Each extension
+                        * board discovered in system boot time has a 
corresponding record
+                        * produced in SMBIOS Type 245. This record is 
currently applicable
+                        * for ML, DL and Alletra series servers in Gen11 and 
will be backward
+                        * compatible with next generations
+                        *
+                        * This is a variant record. Definition of fields 0x05 
... vary based
+                        * upon field 0x04 Board Type.
+                        *
+                        * Offset |  Name      | Width | Description
+                        * ---------------------------------------
+                        *  0x00  | Type       | BYTE  | 0xF5, Extension Board 
Inventory Record
+                        *  0x01  | Length     | BYTE  | Length of structure
+                        *  0x02  | Handle     | WORD  | Unique handle
+                        *  0x04  | Board Type | WORD  | 0: PCIe Riser, Other 
Reserved
+                        *
+                        *  If Board Type == 0
+                        *  0x05  | Riser Pos  | WORD  |
+                        *  0x06  | Riser ID   | BYTE  |
+                        *  0x07  | CPLD Vers  | BTYE  | 0-> No CPLD. Bits 
[7][6:0] Release:Vers
+                        *  0x08  | Riser Name | STRING|
+                        */
+                       pr_handle_name("%s ProLiant Extension Board Inventory 
Record", company);
+                       if (h->length < 0x05) break;
+                       if (data[0x04] == 0)
+                               dmi_hp_245_pcie_riser(h);
+                       break;
+
                default:
                        return 0;
        }
-- 
2.40.1