On Tue, 23 Oct 2007 09:31:07 -0400 Anas Nashif <[EMAIL PROTECTED]> wrote:
> Andrew, > > Thanks for the feedback. > > Andrew Morton wrote: > > On Mon, 22 Oct 2007 13:22:38 -0400 Anas Nashif <[EMAIL PROTECTED]> wrote: > >> > >> The patch is large so I'm placing the diff on the web for download > >> rather than attaching it here. Download: > >> > >> http://download.openamt.org/intel-MEI.diff > > > > Please get the patches mailed out somehow. Consider splitting the patch > > up. I think you could send it as-is (200k will fit, I believe) but it's > > rather too large to review effectively. > > > > The code looks good from a quick scan. Immediate impressions from a > > quick scan, mainly trivia: > > > > We will fix the issues below and send the revised patch to the list. > > > > > > > - Why does a new driver have "additional char device for legacy mode"? > > > > It is not quite new. What is currently considered legacy was supported > on Linux with a driver that was never submitted upstream (although it is > open-source and available from e1000.sf.net). > Some applications still use the legacy interface (KCS style) and have to > be supported with the new driver as well. > It would be better to remove the lecacy mode support from the new driver and to continue to ship a patch for those people who use the old interface. They've been patching in the whole driver thus far so I assume all the processes are already in place for this. > > > - The changelog could do with some expansion. What is "Intel(R) > > Manageability Engine (ME) firmware"? Why do we want to include this code > > in Linux? What value has it to our users, etc? Bascially: tell us more > > stuff. > > The core hardware architecture of Intel Active Management Technology > (Intel AMT) is resident in firmware. The micro-controller within the > chipset's graphics and memory controller (MCH) hub houses the Management > Engine (ME) firmware, which implements various services on behalf of > management applications. Additionally, flash memory houses system BIOS, > code used by the management engine, and a third-party data store (3PDS) > that enables applications to store information as needed in non-volatile > memory. > > Communication between the host OS and the ME is accomplished by means of > the Intel Management Engine Interface (aka HECI: Host Embedded > Controller Interface ). MEI is bi-directional, and either the host or > Intel AMT firmware can initiate transactions. > > Some of the ME subsystems that can be access via MEI driver: > > - Intel(R) Quiet System Technology (QST) is implemented as a firmware > subsystem that runs in the ME. Programs that wish to expose the > health monitoring and fan speed control capabilities of Intel(R) QST > will need to use the MEI driver to communicate with the ME sub-system. > - ASF is the "Alert Standard Format" which is an DMTF manageability > standard. It is implemented in the PC's hardware and firmware, and is > managed from a remote console. > > Most recent Intel desktop chipsets have one or more of the above ME > services. The MEI driver will make it possible to support the above > features on Linux and provides applications access to the ME and it's > features. The MEI drivers will also help bridge a current gap related to > lm_sensors support on recent desktop chipsets. > I see, thanks. That would be a fine addition to the patch's changelog, please. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/