November 2020 - Stratos-dev - op-lists.linaro.org

Re: [Stratos-dev] Stratos Project deliverables for STR-11

by Alex Bennée

Nataliya Korovkina via Stratos-dev <stratos-dev(a)op-lists.linaro.org> writes: > Hello, > > I'm going to look into the STR-11 task, specifically into Zephyr Dom0 > on Cortex-A. Will be glad to synchronize with other people who watch > the task as well. Hi Nataliya, That's awesome :-) Can I introduce you to Akashi-san (cc'ed) who has also been looking at Zephyr on Xen and I believe already has some patches to make things work better. I assume you already know Stefano who has a bunch of the work on scoping out this use case in the STR-11 card. I have a few questions: - Are you also interested in the R-profile deployments (where the VMM sits in it's own safety island dedicated to the VMM)? - What platform are you considering for your implementation? We also have a regular open fortnightly Stratos call if you want to sync up with others in the community and discuss any technical issues. Thanks, -- Alex Bennée

4 years

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Stratos Project deliverables for STR-11

by Nataliya Korovkina

Hello, I'm going to look into the STR-11 task, specifically into Zephyr Dom0 on Cortex-A. Will be glad to synchronize with other people who watch the task as well. Thanks, Nataliya

4 years, 1 month

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Fwd: Last UEFI Forum Webinar of 2020: Virtual Firmware for Intel Trust Domain Extensions

by François Ozog

Interesting to attend this one I think ---------- Forwarded message --------- From: UEFI Administration <admin(a)uefi.org> Date: Wed, 18 Nov 2020 at 23:59 Subject: Last UEFI Forum Webinar of 2020: Virtual Firmware for Intel Trust Domain Extensions To: <contributor(a)uefi.org> Cc: UEFI Administration <admin(a)uefi.org> *UEFI 2020 Virtual Plugfest Webinar: **Virtual Firmware for Intel Trust Domain Extensions* <https://www.brighttalk.com/webcast/18206/453600> *Tuesday, December 15, 2020* * Registration Now Open* Hello UEFI Forum Members, We would like to invite you to register for the upcoming *Virtual Firmware for Intel Trust Domain Extensions webinar* <https://www.brighttalk.com/webcast/18206/453600> apart of the UEFI 2020 Virtual Plugfest <https://uefi.org/node/4051>. This is your last chance to attend a UEFI Forum hosted webinar in 2020. The webinar, presented by Jiewen Yao of Intel, will introduce Intel Trust Domain Extensions Virtual Firmware architecture and cover how it records runtime measurements, manages private memory and more. The webinar will include a live, interactive Q&A discussion on WebEx with the presenter immediately following the presentation. Attendees will have the chance to ask questions and participate in a lively discussion. Register for the free, public webinar: *Virtual Firmware for Intel Trust Domain Extensions* <https://www.brighttalk.com/webcast/18206/453600> *Tuesday, December 15, 2020 * *Webinar Airing from 8:00 am – 9:00 am PT* *Interactive Q&A from 9:00 am – 9:30 am PT* Intel® Trust Domain Extensions (Intel® TDX) introduce architectural elements to help deploy hardware-isolated, virtual machines (VMs) called trust domains (TDs). Intel TDX is designed to isolate VMs from the virtual-machine manager (VMM)/hypervisor and any other non-TD software on the platform to protect TDs from a broad range of software. This presentation introduces the architecture for TDX Virtual Firmware (TDVF), and the firmware reference implementation available in open source. The talk covers how TDVF runs from the TD reset vector, records runtime measurements, manages private memory, interacts with the Intel TDX module in Secure Arbitration Mode (SEAM), and loads the operating system (OS). *Register for the webinar: *https://www.brighttalk.com/webcast/18206/453600 *Live WebEx Q&A information: * - https://nereus-587.my.webex.com/nereus-587.my/j.php?MTID=m4c27dc95e19f0c58f… - Meeting number: 126 544 0541 - Password: q2TPMRqMw36 (72876776 from phones and video systems) If you have any questions, please contact the UEFI Forum public relations team at press(a)uefi.org. Best Regards, The UEFI Forum PR Team -- François-Frédéric Ozog | *Director Linaro Edge & Fog Computing Group* T: +33.67221.6485 francois.ozog(a)linaro.org | Skype: ffozog

4 years, 1 month

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Linaro Stratos December 2nd 2020 Agenda

by Mike Holmes

Hi All The December 2nd agenda has an interesting item relating to OP-TEE and Virtualization; a slide deck has now been attached for this item. https://collaborate.linaro.org/display/STR/Stratos+Home Mike -- Mike Holmes | Director, Foundation Technologies, Linaro Mike.Holmes(a)linaro.org <mike.holmes(a)linaro.org> "Work should be fun and collaborative, the rest follows"

4 years, 1 month

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[RFC PATCH 00/15] Xen guest-loader and arm64 build fixes/enhancements

by Alex Bennée

Hi, There are two parts to this series, broadly related because they are all to do with Xen. The first half is a re-spin of the guest-loader patches from a few weeks ago. The only changes are to move the generic-loader documentation into the manual and then add some words about the guest-loader. The second half of the series is an attempt to fix and then clean up the handling of Xen enabled builds. Recent changes to the build system broke the ability to build qemu-system-i386 on arm64 hosts with Xen support enabled. The actual fix for that: meson.build: fix building of Xen support for aarch64 should probably be rolled into the current release as it fixes a regression. The rest can wait until the tree re-opens. The patches broadly try to: - clean-up detection and reporting - be more explicit about linking stubs for accel - add an explicit CONFIG_XEN_HVM for x86 and finally allow you to build a qemu-system-aarch64 with Xen support. This is my first major foray into tweaking meson builds and it seems to occasionally come unstuck and requires a distclean and re-configure to un-wedge itself. The following need review: - meson.build: build a Xen aware qemu-aarch64-system - xen: only build HVM support under CONFIG_XEN_HVM - accel/stubs: drop unused cpu.h include - stubs/xen-hw-stub: drop xenstore_store_pv_console_info stub - include/hw/xen.h: drop superfluous struct - meson.build: clean-up summary reporting of XEN and it's features - meson.build: introduce CONFIG_XEN_HVM flag - meson.build: fix building of Xen support for aarch64 - accel/meson: you only need accelerator stubs for softmmu builds - docs: add some documentation for the guest-loader - docs: move generic-loader documentation into the main manual Alex Bennée (15): hw/board: promote fdt from ARM VirtMachineState to MachineState hw/riscv: migrate fdt field to generic MachineState device_tree: add qemu_fdt_setprop_string_array helper hw/core: implement a guest-loader to support static hypervisor guests docs: move generic-loader documentation into the main manual docs: add some documentation for the guest-loader accel/meson: you only need accelerator stubs for softmmu builds meson.build: fix building of Xen support for aarch64 meson.build: introduce CONFIG_XEN_HVM flag meson.build: clean-up summary reporting of XEN and it's features include/hw/xen.h: drop superfluous struct stubs/xen-hw-stub: drop xenstore_store_pv_console_info stub accel/stubs: drop unused cpu.h include xen: only build HVM support under CONFIG_XEN_HVM meson.build: build a Xen aware qemu-aarch64-system docs/generic-loader.txt | 92 ---------- docs/system/generic-loader.rst | 117 ++++++++++++ docs/system/guest-loader.rst | 54 ++++++ docs/system/index.rst | 2 + meson.build | 24 ++- hw/core/guest-loader.h | 34 ++++ include/hw/arm/virt.h | 1 - include/hw/boards.h | 1 + include/hw/riscv/virt.h | 1 - include/hw/xen/xen.h | 2 +- include/sysemu/device_tree.h | 17 ++ include/sysemu/xen-mapcache.h | 2 +- include/sysemu/xen.h | 9 +- accel/stubs/hax-stub.c | 1 - accel/stubs/xen-all-stub.c | 11 ++ accel/stubs/xen-stub.c | 2 - hw/arm/virt.c | 322 +++++++++++++++++---------------- hw/core/guest-loader.c | 140 ++++++++++++++ hw/riscv/virt.c | 20 +- softmmu/device_tree.c | 26 +++ stubs/xen-hw-stub.c | 4 - accel/Kconfig | 3 + accel/meson.build | 4 +- accel/stubs/meson.build | 13 +- hw/core/meson.build | 2 + hw/i386/xen/meson.build | 2 +- 26 files changed, 627 insertions(+), 279 deletions(-) delete mode 100644 docs/generic-loader.txt create mode 100644 docs/system/generic-loader.rst create mode 100644 docs/system/guest-loader.rst create mode 100644 hw/core/guest-loader.h create mode 100644 accel/stubs/xen-all-stub.c create mode 100644 hw/core/guest-loader.c -- 2.20.1

4 years, 1 month

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Arm Safety Ready program

by François Ozog

Hi I discovered the program and "Safety and Security with Virtual Open Systems" use case is quite interesting: https://www.arm.com/why-arm/technologies/safety?_ga=2.246792964.1846358630.… Cheers FF -- François-Frédéric Ozog | *Director Linaro Edge & Fog Computing Group* T: +33.67221.6485 francois.ozog(a)linaro.org | Skype: ffozog

4 years, 1 month

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Updated invitation: Project Stratos Sync @ Every 2 weeks from 4pm to 5:05pm on Thursday from Thu 6 Aug to Wed 25 Nov (BST) (stratos-dev@op-lists.linaro.org)

by Mike Holmes

This event has been changed. Title: Project Stratos Sync Discuss the latest Project Stratos devlopments.Mailing listhttps://op-lists.linaro.org/mailman/listinfo/stratos-devAgenda - feel free to suggest items on the mailing listhttps://collaborate.linaro.org/display/STR/Meeting+notesPrevious AgendaVirtualization infrastructure enhancements Agenda When: Every 2 weeks from 4pm to 5:05pm on Thursday from Thu 6 Aug to Wed 25 Nov United Kingdom Time (changed) Joining info: Join with Google Meet https://meet.google.com/uak-yrcj-tyd Join by phone (GB) +44 20 3956 3214 (PIN: 706606273) More phone numbers: https://tel.meet/uak-yrcj-tyd?pin=4387074781142&hs=0 Calendar: stratos-dev(a)op-lists.linaro.org Who: * Mike Holmes- organiser * souvik.chakravarty(a)arm.com * Joakim Bech * bogdan.costinescu(a)nxp.com * Anmar Oueja * sreemeno(a)qti.qualcomm.com * tsoni(a)quicinc.com * Tom Gall * pratikp(a)quicinc.com * Sumit Semwal * David Brazdil * François Ozog * ilias.apalodimas(a)linaro.org * Bill Fletcher * svaddagi(a)qti.qualcomm.com * srinivas.kalaga(a)huawei.com * David Rusling * Don Harbin * shashi.mallela(a)linaro.org * atouzni(a)qti.qualcomm.com * randy.linnell(a)linaro.org * Sandeep Patil * matt.spencer(a)arm.com * ruchika.gupta(a)linaro.org * victor.duan(a)linaro.org * bogdan.vlad(a)nxp.com * adelva(a)google.com * peng.fan(a)nxp.com * stratos-dev(a)op-lists.linaro.org * Mathieu Poirier * Alex Bennée * ed.doxat(a)arm.com * Mark Orvek * sramana(a)qti.qualcomm.com * satyakim(a)qti.qualcomm.com Event details: https://calendar.google.com/calendar/event?action=VIEW&eid=NXZzczhsdjNkbTVs… Invitation from Google Calendar: https://calendar.google.com/calendar/ You are receiving this courtesy email at the account stratos-dev(a)op-lists.linaro.org because you are an attendee of this event. To stop receiving future updates for this event, decline this event. Alternatively, you can sign up for a Google Account at https://calendar.google.com/calendar/ and control your notification settings for your entire calendar. Forwarding this invitation could allow any recipient to send a response to the organiser and be added to the guest list, invite others regardless of their own invitation status or to modify your RSVP. Learn more at https://support.google.com/calendar/answer/37135#forwarding

4 years, 1 month

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Cancelled event with note: Project Stratos Sync @ Every 2 weeks from 4pm to 5pm on Thursday (GMT) (stratos-dev@op-lists.linaro.org)

by Mike Holmes

This event has been cancelled with this note: "Moved 1 hour later and out to the 10th of December to avoid Thanksgiving whilst not repeating on top of OpenMP and TF calls." Title: Project Stratos Sync Discuss the latest Project Stratos devlopments.Mailing listhttps://op-lists.linaro.org/mailman/listinfo/stratos-devAgenda - feel free to suggest items on the mailing listhttps://collaborate.linaro.org/display/STR/Meeting+notesPrevious AgendaVirtualization infrastructure enhancements Agenda When: Every 2 weeks from 4pm to 5pm on Thursday United Kingdom Time Joining info: Join with Google Meet https://meet.google.com/uak-yrcj-tyd Join by phone (GB) +44 20 3956 3214 (PIN: 706606273) More phone numbers: https://tel.meet/uak-yrcj-tyd?pin=4387074781142&hs=0 Calendar: stratos-dev(a)op-lists.linaro.org Who: * Mike Holmes- organiser Invitation from Google Calendar: https://calendar.google.com/calendar/ You are receiving this courtesy email at the account stratos-dev(a)op-lists.linaro.org because you are an attendee of this event. To stop receiving future updates for this event, decline this event. Alternatively, you can sign up for a Google Account at https://calendar.google.com/calendar/ and control your notification settings for your entire calendar. Forwarding this invitation could allow any recipient to send a response to the organiser and be added to the guest list, invite others regardless of their own invitation status or to modify your RSVP. Learn more at https://support.google.com/calendar/answer/37135#forwarding

4 years, 1 month

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Re: [Stratos-dev] Stratos meetings at 8AM California / 4PM UK

by Mike Holmes

Another consideration, next week is Thanksgiving in the US, I propose we move the meeting until the week after. MIke On Tue, Nov 17, 2020 at 10:25 AM Mike Holmes via Stratos-dev < stratos-dev(a)op-lists.linaro.org> wrote: > Hi Stefano > > For the Linaro participants, it looks like one hour later is fine. if there > are no objections I will move the meeting tomorrow. > > Mike > > On Mon, Nov 16, 2020 at 10:33 PM Stefano Stabellini < > stefano.stabellini(a)xilinx.com> wrote: > > > Hi all, > > > > I would like to suggest having the Stratos meetings again at 8AM > > California time / 4PM UK time to make it easier for people on the West > > Coast to participate. (So far, we have been meeting mostly at 8AM, > > except for a couple of occurrences.) > > > > Thanks for your help! :-) > > > > Cheers, > > > > Stefano > > > > > -- > Mike Holmes | Director, Foundation Technologies, Linaro > Mike.Holmes(a)linaro.org <mike.holmes(a)linaro.org> > "Work should be fun and collaborative, the rest follows" > -- > Stratos-dev mailing list > Stratos-dev(a)op-lists.linaro.org > https://op-lists.linaro.org/mailman/listinfo/stratos-dev > -- Mike Holmes | Director, Foundation Technologies, Linaro Mike.Holmes(a)linaro.org <mike.holmes(a)linaro.org> "Work should be fun and collaborative, the rest follows"

4 years, 1 month

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[App-services] 2020-10-27 OpenAMP App-services call recording, notes, slides, and action items (fwd)

by Stefano Stabellini

Hi Alex, Arnd, Jean-Philippe, and all, During the OpenAMP App-services call this week WindRiver gave a couple of extremely interesting presentations, see attached slides. Dan Milea discussed the usage of virtio between heterogeneous clusters, i.e. virtio frontends on the Cortex-R cluster and virtio backends on the Cortex-A cluster. They used a setup based on pre-shared memory to make it work, which I believe is similar to the swiotlb approach we discussed in Stratos. They noted that the last version of the virtio spec on github had something in regards to virtio and pre-shared memory regions that might help us cover this use-case from a spec perspective. Dan, would you be able to share a pointer to it for clarity? So far, we acted on the assumption that the virtio spec doesn't allow for this architecture today; it would be fantastic if it turns out that it already does. The other very interesting presentation by Joshua Pincus was about virtio-mmio and MSIs. They did excellent measurements on the performance of virtio-mmio and they found out that the single source of notifications (one interrupt) is the bottleneck. Adding MSIs vastly improved performance. You can see the detailed breakdown on slide #8 of "OpenAMP Virt I/O MMIO w/ MSI". This analysis really points in the direction of adding MSIs to virtio-mmio. Cheers, Stefano ---------- Forwarded message ---------- Date: Wed, 28 Oct 2020 18:41:09 +0000 From: Nathalie Chan King Choy via App-services <app-services(a)lists.openampproject.org> Reply-To: Nathalie Chan King Choy <nathalie(a)xilinx.com> To: "app-services(a)lists.openampproject.org" <app-services(a)lists.openampproject.org> Subject: [App-services] 2020-10-27 OpenAMP App-services call recording, notes, slides, and action items Hi all, The notes from yesterday’s OpenAMP App-services call can be found at: https://github.com/OpenAMP/open-amp/wiki/OpenAMP-Application-Services-Subgr… The link to the Webex recording is in the notes. I am not sure how long before the recordings expire or I will hit my storage limit, so if you need to catch up by watching the recording, please download it in the next couple weeks. Please find attached the slides from Dan & Josh. Action items: * Dan & Josh to send slides (DONE) * Stefano to start a thread w/ the folks who are working on shared memory & VirtIO Best regards, Nathalie C. Chan King Choy Program Manager focused on Open Source and Community -- App-services mailing list App-services(a)lists.openampproject.org https://lists.openampproject.org/mailman/listinfo/app-services

4 years, 1 month

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Stratos-dev November 2020