May 2020 - TSC - lists.trustedfirmware.org

Re: [TF-TSC] TF-M hw min requirement in particular for the number of MPU regions

by Joakim Bech

Hi Eric, On Thu, 28 May 2020 at 08:50, Eric FINCO via TSC < tsc(a)lists.trustedfirmware.org> wrote: > Hi TF-TSC folks, > > > > I was on vacation last week so not able to join the TSC last week. > > ST raised a question during the TF-M open forum today concerning the min > number of MPU descriptors (= min mumber of regions) to be supported in the > SoC especially for of level 3 isolation support. > > Furthermore, putting it in perspective with the “measurement” API > introduced in the HAL proposal presented in the open forum, one can extend > the question: Do you think the TF-M TSC shall issue some recommendation for > the minimal Hw configuration required for different features ? > This is something that the TSC should be able to do, but I wonder whether this isn't already covered in various specifications etc created by Arm the last couple of years. I'm thinking about for example TBSA-M that is part of PSA. If MPU descriptors aren't already mentioned, then we could ask to get it added. > Somehow, small profile memory footprint is also pointing in the direction. > > There was a positive feedback from Ken (Liu) during the open forum slot > but it could make sense to have the TSC reviewing and approving such thing. > What do you think ? > > > > Regards, > > > > Eric Finco > Regards, Joakim

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TF-M hw min requirement in particular for the number of MPU regions

by Eric FINCO

Hi TF-TSC folks, I was on vacation last week so not able to join the TSC last week. ST raised a question during the TF-M open forum today concerning the min number of MPU descriptors (= min mumber of regions) to be supported in the SoC especially for of level 3 isolation support. Furthermore, putting it in perspective with the "measurement" API introduced in the HAL proposal presented in the open forum, one can extend the question: Do you think the TF-M TSC shall issue some recommendation for the minimal Hw configuration required for different features ? Somehow, small profile memory footprint is also pointing in the direction. There was a positive feedback from Ken (Liu) during the open forum slot but it could make sense to have the TSC reviewing and approving such thing. What do you think ? Regards, Eric Finco [Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: logo_big5] Eric FINCO | Tel: +33 (0)2 4402 7154 MDG | Technical Specialist STMicroelectronics SA 9-11 rue Pierre-Felix Delarue | 72100 Le Mans | France ST online: www.st.com<http://www.st.com/> | Follow us on twitter: @st_world<http://twitter.com/#!/ST_World> This communication is confidential and intended solely for the addressee(s). If you are not the intended recipient, you should not review, retain, copy or distribute the e-mail itself or the information it contains. In such case, we kindly request you notify the sender by replying to this transmission and delete the message without disclosing it. Thank you! P Please consider the environment before printing this e-mail

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Trusted Firmware TSC 21st May - Minutes

by Bill Fletcher

Attendees Ruchika Gupta (NXP) Abhishek Pandit (Arm) Ashutosh Singh (Arm) Matteo Carlini (Arm) Kevin Townsend (Linaro) Dan Handley (Arm) Julius Werner (Google) Mark Grosen (TI) Bill Mills (TI) David Brown (Linaro) Kangkang Shen (Futurewei) Bill Fletcher (Linaro Community Projects) Andrej Butok (NXP) Agenda/Minutes Website feedback AP: Feedback from Arm folks - to be sent separately: scrolling status. Adding a footer per project. Structuring the project information differently TF-A workshop MC: Possible engagement from members in the workshop e.g. presentations/keynote platform ports, war stories, project format & contributions, user stories, new features, community development thoughts KS: Everyone doesn’t attend everything at the same time. Also a panel discussion could be interesting since more efficient in attendee time. Make sessions available offline and allow people to contribute afterwards. MC: Will feed these ideas to the Board MC: The event format and size will depend on the range of contributions - ‘Arm show’ vs 7 or more companies participating. Not expecting to explore a public CFP until we’ve explored the membership interest. KS: Would like to see some discussion about secure variables. Security incident handling AS: Top-level mailing list and then a mailing list per project. Membership of these lists is tightly controlled. Keep the disclosure limited. To allow conversations to be encrypted we’re setting up PKI. DH: Correct - we don’t insist on encryption DB: Management of private keys needs to be spelled out. Once someone has the private key, they always have it. AS: Sub mailing lists can’t decrypt the top level mailing list. We need to have a key revocation mechanism in place (not yet completely defined). Will need to generate a key pair and have a signing ceremony. Is there a place to host keys? DB: Generally the assumption is that private keys are held by individuals. AS: For the time being will keep it as a manual process unless someone has a better suggestion. DB: Will forward link to Stack Overflow page with expected way of doing things. AP: Is there a pre-existing guide? AS: Is quite straightforward. Will be a short guide. DB: Email client support? DH: There is an Outlook plug in AP: Dan sent out mail with process. Can we put it as a proposal on Phabricator so that don’t need to find it in the email archive. AS: Yes, will do this and then all the projects can link to Phabricator. AP: Lack of top level reporting in tf.org is becoming a problem so we can answer ‘yes’ to outside questions DB: Think having multiple keys is going to be burdensome. Based on experience in Zephyr and mcuboot, no one wants to work with PGP. DH: If allow responses to be to individuals, only need top level key. Don’t know if it’s acceptable to expose individuals AP: Suggest offline discussion between Ashu, David and Dan Forums AB: Very difficult to follow historic email topics or reproduce a tree of answers. Can’t check if something was asked previously. AP: David provided a suggestion for groups.io DB: Works ok for Zephyr project DH: Orthogonal to having Slack, but needs some kind of instant messaging BM: Yocto switched from mailman to groups.io. Think most people don’t know there’s a forum. DB: Does the best job of replacing a mail list server - just adds the functionality of a forum. BM: Helps an occasional person who doesn’t want to subscribe to do a better job. Acceptable model for casual users. AP: Where do archives live? DB: On groups.io. The Linux Foundation (hosts Zephyr) is finding that it’s easier to get groups.io to deal with spam. AP: Suggest the someone could do a proof of concept and demo. DH: Someone would need to administer it. DB: 3 tiers of commercial terms. Would need to pay BF: To talk to Linaro IT about any info on groups.io AP: Interested to get feedback, thoughts from others. Don’t want to move to this tool and find out it’s not what people want. Coding Guidelines AP: Need to follow up and send nominations of people. Need a couple more people to make it sustainable. AOB JW: Can we avoid scheduling conflict with TF-A Tech Forum? Action: Abhishek DH: Threat models. Legal request going through Arm to relicense these under creative commons. -- [image: Linaro] <http://www.linaro.org/> *Bill Fletcher* | *Field Engineering* T: +44 7833 498336 <+44+7833+498336> bill.fletcher(a)linaro.org | Skype: billfletcher2020

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Re: [TF-TSC] Fwd: Trusted Firmware website redesign - proposed way forward

by Bill Fletcher

Hi all, Here's an updated website mockup ahead of today's TSC call taking into account some of the early feedback (and fixing typos!). Regards Bill On Tue, 19 May 2020 at 10:59, Anton Komlev via TSC < tsc(a)lists.trustedfirmware.org> wrote: > Hello, > > > > 2 items from me: > > 1. There was a plan for a project dashboard showing “run-time” > information / statistics / KPI. If it is hidden somewhere then worth to > bring it up to a project area. > 2. The topics split below is a bit unclear to me and looks overlapped. > > > > Hope it helps, > > Anton > > > > > > *From:* TSC <tsc-bounces(a)lists.trustedfirmware.org> * On Behalf Of *Bill > Fletcher via TSC > *Sent:* 15 May 2020 18:08 > *To:* tsc(a)lists.trustedfirmware.org > *Cc:* Jonathon Burcham <jon.burcham(a)linaro.org>; Stuart Waldron < > stuart.waldron(a)linaro.org>; Kyle Kirkby <kyle.kirkby(a)linaro.org> > *Subject:* [TF-TSC] Fwd: Trusted Firmware website redesign - proposed way > forward > > > > Hi all, > > > > At the previous TF TSC we had an action to work on the TF.org website. > Here is a mock up of a new website front page, and also a possible graphics > template for an example per-project "mini-site" in the attached PDF. It > could be useful to stimulate some discussion. The other piece of the puzzle > is a schema representing all the data/links per project so we can have > consistent links to content across the mini-sites. A mock up of this schema > looks like this: > > > > Projects Schema: > > Project Title > > Project Description > > Project Documentation > > Project Code > > Project Mailing List > > Project Call to Actions > > Project Code Review > > Project Useful Links > > > > Any comments ahead of the meeting are welcome. > > > > Regards > > > > Bill > > > > > > > -- > > > > [image: Linaro] <http://www.linaro.org/> > > *Bill Fletcher* | *Field Engineering* > > T: +44 7833 498336 <+44+7833+498336> > bill.fletcher(a)linaro.org | Skype: billfletcher2020 > > > -- > TSC mailing list > TSC(a)lists.trustedfirmware.org > https://lists.trustedfirmware.org/mailman/listinfo/tsc > -- [image: Linaro] <http://www.linaro.org/> *Bill Fletcher* | *Field Engineering* T: +44 7833 498336 <+44+7833+498336> bill.fletcher(a)linaro.org | Skype: billfletcher2020

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Re: [TF-TSC] TSC Agenda 21 May 2020

by David Brown

One consideration would be groups.io. Zephyr has had pretty good results with it. For most users, it will behave just like a mailing list, but there is also a web interface for those that prefer that format. David On Wed, May 20, 2020 at 1:21 AM Andrej Butok via TSC < tsc(a)lists.trustedfirmware.org> wrote: > Hi all, > > > > Please think about a possibility to add a TF on-line forum. > > > > Existing E-mail forum is not convenient to search and follow topics. It’s > “archaic” 20-year old approach. > > > > Thanks, > > Andrej > > > > On Tue, 19 May 2020 at 16:09, Abhishek Pandit via TSC < > tsc(a)lists.trustedfirmware.org> wrote: > > Hi All, > > > > Any agenda items for this week? > > > > We have following already: > > - Website improvements > - TF-A workshop proposal > - Security incident handling (update) > - Pending action items > > > > Thanks, > > Abhishek > > -- > TSC mailing list > TSC(a)lists.trustedfirmware.org > https://lists.trustedfirmware.org/mailman/listinfo/tsc > <https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.tru…> > > -- > TSC mailing list > TSC(a)lists.trustedfirmware.org > https://lists.trustedfirmware.org/mailman/listinfo/tsc >

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Re: [TF-TSC] TSC Agenda 21 May 2020

by Andrej Butok

Hi all, Please think about a possibility to add a TF on-line forum. Existing E-mail forum is not convenient to search and follow topics. It’s “archaic” 20-year old approach. Thanks, Andrej On Tue, 19 May 2020 at 16:09, Abhishek Pandit via TSC <tsc(a)lists.trustedfirmware.org<mailto:tsc@lists.trustedfirmware.org>> wrote: Hi All, Any agenda items for this week? We have following already: * Website improvements * TF-A workshop proposal * Security incident handling (update) * Pending action items Thanks, Abhishek -- TSC mailing list TSC(a)lists.trustedfirmware.org<mailto:TSC@lists.trustedfirmware.org> https://lists.trustedfirmware.org/mailman/listinfo/tsc<https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.tru…>

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Re: [TF-TSC] TSC Agenda 21 May 2020

by Joakim Bech

Hi, Not strictly necessary and not sure if this is the right forum, but if there is time left at the end of the meeting we might be able to discuss configuration of our mailman lists (the new ones). The problem now is that I get "you need to approve this and that" email almost on daily basis. I've tried to add a couple of regexp sender filters etc. as a workaround. I just want to get some feedback from you on how strict or open we shall be with our mailman settings (for the "open" lists). Too relaxed settings means a risk of spam and too strict means a risk of approval spam :) // Regads Joakim On Tue, 19 May 2020 at 16:09, Abhishek Pandit via TSC < tsc(a)lists.trustedfirmware.org> wrote: > Hi All, > > > > Any agenda items for this week? > > > > We have following already: > > - Website improvements > - TF-A workshop proposal > - Security incident handling (update) > - Pending action items > > > > Thanks, > > Abhishek > -- > TSC mailing list > TSC(a)lists.trustedfirmware.org > https://lists.trustedfirmware.org/mailman/listinfo/tsc >

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TSC Agenda 21 May 2020

by Abhishek Pandit

Hi All, Any agenda items for this week? We have following already: * Website improvements * TF-A workshop proposal * Security incident handling (update) * Pending action items Thanks, Abhishek

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Re: [TF-TSC] Fwd: Trusted Firmware website redesign - proposed way forward

by Anton Komlev

Hello, 2 items from me: 1. There was a plan for a project dashboard showing “run-time” information / statistics / KPI. If it is hidden somewhere then worth to bring it up to a project area. 2. The topics split below is a bit unclear to me and looks overlapped. [cid:image001.png@01D62DCC.5B74FC20] Hope it helps, Anton From: TSC <tsc-bounces(a)lists.trustedfirmware.org> On Behalf Of Bill Fletcher via TSC Sent: 15 May 2020 18:08 To: tsc(a)lists.trustedfirmware.org Cc: Jonathon Burcham <jon.burcham(a)linaro.org>; Stuart Waldron <stuart.waldron(a)linaro.org>; Kyle Kirkby <kyle.kirkby(a)linaro.org> Subject: [TF-TSC] Fwd: Trusted Firmware website redesign - proposed way forward Hi all, At the previous TF TSC we had an action to work on the TF.org website. Here is a mock up of a new website front page, and also a possible graphics template for an example per-project "mini-site" in the attached PDF. It could be useful to stimulate some discussion. The other piece of the puzzle is a schema representing all the data/links per project so we can have consistent links to content across the mini-sites. A mock up of this schema looks like this: Projects Schema: Project Title Project Description Project Documentation Project Code Project Mailing List Project Call to Actions Project Code Review Project Useful Links Any comments ahead of the meeting are welcome. Regards Bill -- [Linaro]<http://www.linaro.org/> Bill Fletcher | Field Engineering T: +44 7833 498336<tel:+44+7833+498336> bill.fletcher(a)linaro.org<mailto:bill.fletcher@linaro.org> | Skype: billfletcher2020

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Re: [TF-TSC] Fwd: Trusted Firmware website redesign - proposed way forward

by Matteo Carlini

Few comments Arm shared with Linaro already: - overall new layout/schema looks good. - not quite sure about the colour distinction for projects (blue/green) on the main page --> maybe best to keep a single colour not to confuse people - How about adding a Members section down below the main page with all the company logos? - “Projects available from Trusted Firmware” reads a bit wordy --> suggests “Projects” or “Available Projects” - “A bi-weekly Technical Forum call is held to discuss technical subjects" --> May be can provide link to Tech Forum page and mention invite available from mailing list? - TF-A-Test is *probably* not worth a separate project page --> propose to move TF-A-Tests together with TF-A, in the same sub-page. Only TF-A button in the home page, then either 2 sections/tabs: one for TF-A and one for TF-A-Tests. Opinions? Any other thought anyone?? Thanks Matteo From: TSC <tsc-bounces(a)lists.trustedfirmware.org> On Behalf Of Julius Werner via TSC Sent: 15 May 2020 21:24 To: bill.fletcher(a)linaro.org Cc: Jonathon Burcham <jon.burcham(a)linaro.org>; Kyle Kirkby <kyle.kirkby(a)linaro.org>; tsc(a)lists.trustedfirmware.org; Stuart Waldron <stuart.waldron(a)linaro.org> Subject: Re: [TF-TSC] Fwd: Trusted Firmware website redesign - proposed way forward I think there's an "n" missing in "Hafnium" in your mock. On Fri, May 15, 2020 at 10:07 AM Bill Fletcher via TSC <tsc(a)lists.trustedfirmware.org<mailto:tsc@lists.trustedfirmware.org>> wrote: Hi all, At the previous TF TSC we had an action to work on the TF.org website. Here is a mock up of a new website front page, and also a possible graphics template for an example per-project "mini-site" in the attached PDF. It could be useful to stimulate some discussion. The other piece of the puzzle is a schema representing all the data/links per project so we can have consistent links to content across the mini-sites. A mock up of this schema looks like this: Projects Schema: Project Title Project Description Project Documentation Project Code Project Mailing List Project Call to Actions Project Code Review Project Useful Links Any comments ahead of the meeting are welcome. Regards Bill -- [Image removed by sender. Linaro]<http://www.linaro.org/> Bill Fletcher | Field Engineering T: +44 7833 498336<tel:+44+7833+498336> bill.fletcher(a)linaro.org<mailto:bill.fletcher@linaro.org> | Skype: billfletcher2020 -- TSC mailing list TSC(a)lists.trustedfirmware.org<mailto:TSC@lists.trustedfirmware.org> https://lists.trustedfirmware.org/mailman/listinfo/tsc

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