On 07/31/2012 07:51 PM, Kevin O'Connor wrote:
On Tue, Jul 31, 2012 at 12:30:36PM -0500, [email protected] wrote:
From: Corey Minyard <[email protected]>

An IPMI device is being added to the qemu code, and it has an
SMBIOS entry to describe the interface characteristics.  So add
the SMBIOS entry to the BIOS so it can handle this.
Hi,

This patch creates a binary ipmi_info struct with IPMI info, and then
modifies SeaBIOS to take that struct and translate it into a binary
smbios struct.  If the ultimate goal is to create an smbios struct,
then just create that and send it to SeaBIOS.  This has the added
benefit that there is no need to modify SeaBIOS as there is already a
mechanism to pass smbios tables via fw_cfg (see
qemu_cfg_smbios_load_external).

Sigh. That's what I originally did. There are issues in qemu with doing this from a driver; the SMBIOS entries are already fixed before the driver initialization code runs. I did some changes to fix this, but the qemu folks suggested that I send it over with the firmware interface and do it in the BIOS.

There are some advantages to doing this with a different interface. This way, it's available to other firmware types; OF and uboot could populate device trees from this interface. And SeaBIOS could use the same information to populate some ACPI PNP interfaces that can also be used to configure the driver.

Thanks,

-corey

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