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Re: [Qemu-devel] [PATCH v3 for-2.9 0/3] q35: add negotiable broadcast SM
From: |
Laszlo Ersek |
Subject: |
Re: [Qemu-devel] [PATCH v3 for-2.9 0/3] q35: add negotiable broadcast SMI |
Date: |
Thu, 24 Nov 2016 09:37:41 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.5.0 |
On 11/24/16 05:29, Michael S. Tsirkin wrote:
> On Wed, Nov 23, 2016 at 07:38:35PM -0500, Kevin O'Connor wrote:
>> As a general comment - it does seem unfortunate that we keep building
>> adhoc interfaces to communicate information from firmware to QEMU. We
>> have a generic mechanism (fw_cfg) for passing adhoc information from
>> QEMU to the firmware, but the inverse seems to always involve magic
>> pci registers, magic io space registers, specific init ordering, etc.
>
> FWIW I posted a proposal
> fw-cfg: support writeable blobs
> a while ago to try to address that
>
Yes, here's the discussion (Feb 2016):
https://www.mail-archive.com/address@hidden/msg354852.html
and it was even part of a pull req (Mar 2016):
https://www.mail-archive.com/address@hidden/msg359348.html
but it wasn't merged, apparently.
If QEMU (re)gains this feature, I can try basing the broadcast SMI
negotiation on it.
Thanks
Laszlo
- [Qemu-devel] [PATCH v3 for-2.9 1/3] hw/isa/apm: introduce callback for APM_STS_IOPORT writes, (continued)
- [Qemu-devel] [PATCH v3 for-2.9 1/3] hw/isa/apm: introduce callback for APM_STS_IOPORT writes, Laszlo Ersek, 2016/11/18
- [Qemu-devel] [PATCH v3 for-2.9 2/3] hw/isa/lpc_ich9: add SMI feature negotiation via APM_STS, Laszlo Ersek, 2016/11/18
- [Qemu-devel] [PATCH v3 for-2.9 3/3] hw/isa/lpc_ich9: ICH9_APM_STS_F_BROADCAST_SMI: inject SMI on all VCPUs, Laszlo Ersek, 2016/11/18
- Re: [Qemu-devel] [PATCH v3 for-2.9 0/3] q35: add negotiable broadcast SMI, Michael S. Tsirkin, 2016/11/18
- Re: [Qemu-devel] [PATCH v3 for-2.9 0/3] q35: add negotiable broadcast SMI, Paolo Bonzini, 2016/11/23
- Re: [Qemu-devel] [PATCH v3 for-2.9 0/3] q35: add negotiable broadcast SMI, Laszlo Ersek, 2016/11/23
- Re: [Qemu-devel] [PATCH v3 for-2.9 0/3] q35: add negotiable broadcast SMI, Laszlo Ersek, 2016/11/23
- Re: [Qemu-devel] [PATCH v3 for-2.9 0/3] q35: add negotiable broadcast SMI, Kevin O'Connor, 2016/11/23
- Re: [Qemu-devel] [PATCH v3 for-2.9 0/3] q35: add negotiable broadcast SMI, Michael S. Tsirkin, 2016/11/23
- Re: [Qemu-devel] [PATCH v3 for-2.9 0/3] q35: add negotiable broadcast SMI,
Laszlo Ersek <=
- Re: [Qemu-devel] [PATCH v3 for-2.9 0/3] q35: add negotiable broadcast SMI, Michael S. Tsirkin, 2016/11/24
- Re: [Qemu-devel] [PATCH v3 for-2.9 0/3] q35: add negotiable broadcast SMI, Laszlo Ersek, 2016/11/25
- Re: [Qemu-devel] [PATCH v3 for-2.9 0/3] q35: add negotiable broadcast SMI, Laszlo Ersek, 2016/11/25
- Re: [Qemu-devel] [PATCH v3 for-2.9 0/3] q35: add negotiable broadcast SMI, Gerd Hoffmann, 2016/11/28
- Re: [Qemu-devel] [PATCH v3 for-2.9 0/3] q35: add negotiable broadcast SMI, Laszlo Ersek, 2016/11/28
- Re: [Qemu-devel] [PATCH v3 for-2.9 0/3] q35: add negotiable broadcast SMI, Paolo Bonzini, 2016/11/28
- Re: [Qemu-devel] [PATCH v3 for-2.9 0/3] q35: add negotiable broadcast SMI, Igor Mammedov, 2016/11/25
- Re: [Qemu-devel] [PATCH v3 for-2.9 0/3] q35: add negotiable broadcast SMI, Igor Mammedov, 2016/11/24
- Re: [Qemu-devel] [PATCH v3 for-2.9 0/3] q35: add negotiable broadcast SMI, Paolo Bonzini, 2016/11/24
- Re: [Qemu-devel] [PATCH v3 for-2.9 0/3] q35: add negotiable broadcast SMI, Igor Mammedov, 2016/11/24