OpenBMC : KVM over IP and media redirection function

Fri Apr 10 13:56:39 AEST 2020

Hi, Chunhui:
Got it.

Thanks
发件人: chunhui.jia <chunhui.jia at linux.intel.com>
发送时间: 2020年4月10日 8:08
收件人: Johnathan Mantey <johnathanx.mantey at intel.com>; Tiger Liu(BJ-RD) <TigerLiu at zhaoxin.com>; openbmc at lists.ozlabs.org
主题: Re: Re: OpenBMC : KVM over IP and media redirection function

Johnathan,

S2600WF etc still has RMM enabled but openbmc implementation does not depend on RMM module.

Tiger,

The OCP platform does not have RMM.  There is nothing preventing you from enabling KVM/Remote Media.

2020-04-10
________________________________
chunhui.jia
________________________________
发件人：Johnathan Mantey <johnathanx.mantey at intel.com<mailto:johnathanx.mantey at intel.com>>
发送时间：2020-04-09 23:06
主题：Re: OpenBMC : KVM over IP and media redirection function
收件人："Tiger Liu(BJ-RD)"<TigerLiu at zhaoxin.com<mailto:TigerLiu at zhaoxin.com>>,"chunhui.jia"<chunhui.jia at linux.intel.com<mailto:chunhui.jia at linux.intel.com>>,"openbmc at lists.ozlabs.org<mailto:openbmc at lists.ozlabs.org>"<openbmc at lists.ozlabs.org<mailto:openbmc at lists.ozlabs.org>>
抄送：

Liu,

RMM is a HW licensing device, and was, if I recall, eliminated in the last generation of Intel servers (i.e. S2600WF, S2600BNP, S2600SWP).
OpenBMC provides you all of the source, so any control over SW features like KVM (assuming the KVM source is open), by HW components being present can be compiled out of your implementation.
I have a hard time believing the OPC would willingly add a HW device for enabling/disabling SW functionality. Seems a bit counter to the spirit of the projects philosophy to me.
On 4/9/20 2:24 AM, Tiger Liu(BJ-RD) wrote:
Hi, Chunhui:
Thanks for your reply.

I am studying OCP(Open Computer Platform) server board doc and OpenBMC doc.
I am just curious whether OCP server board also needs an add-on RMM component to support KVM/Media redirection.

So, OpenBMC’s current code has implemented KVM over IP.
So, OpenBMC would support KVM/Media redirection function without adding add-on some RMM like component?

Thanks
发件人: chunhui.jia <chunhui.jia at linux.intel.com><mailto:chunhui.jia at linux.intel.com>
发送时间: 2020年4月9日 16:51
收件人: Tiger Liu(BJ-RD) <TigerLiu at zhaoxin.com><mailto:TigerLiu at zhaoxin.com>; openbmc at lists.ozlabs.org<mailto:openbmc at lists.ozlabs.org>
主题: Re: OpenBMC : KVM over IP and media redirection function

1. yes, it can implement the functionality with this combination
2. What platform are you using?

2020-04-09
________________________________
chunhui.jia
________________________________
发件人："Tiger Liu(BJ-RD)" <TigerLiu at zhaoxin.com<mailto:TigerLiu at zhaoxin.com>>
发送时间：2020-04-09 15:56
主题：OpenBMC : KVM over IP and media redirection function
收件人："openbmc at lists.ozlabs.org<mailto:openbmc at lists.ozlabs.org>"<openbmc at lists.ozlabs.org<mailto:openbmc at lists.ozlabs.org>>
抄送：

Hi, experts:
I have a question about KVM over IP and media redirection function.
Intel provided a RMM lite component, which provided KVM/Media redirection capability.

So my question is:

1.      OpenBMC + AST2500 Chip, could not implement KVM/Media redirection capability?

2.      If wanting to use KVM/Media redirection ,must buy a RMM component?

I found OpenBMC had implemented KVM over IP capability.

Thanks

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Johnathan Mantey
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Contributing to Technology Innovation since 1992
Phone: (503) 712-6764
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