From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from smtp4.osuosl.org (smtp4.osuosl.org [140.211.166.137]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 60AD4C433EF for ; Tue, 7 Dec 2021 12:48:23 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp4.osuosl.org (Postfix) with ESMTP id 04D3840366; Tue, 7 Dec 2021 12:48:23 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp4.osuosl.org ([127.0.0.1]) by localhost (smtp4.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id JKtBvZLqxRK6; Tue, 7 Dec 2021 12:48:22 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [IPv6:2605:bc80:3010:104::8cd3:938]) by smtp4.osuosl.org (Postfix) with ESMTPS id CFFFE4034D; Tue, 7 Dec 2021 12:48:21 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id A57F5C002F; Tue, 7 Dec 2021 12:48:21 +0000 (UTC) Received: from smtp2.osuosl.org (smtp2.osuosl.org [140.211.166.133]) by lists.linuxfoundation.org (Postfix) with ESMTP id EC920C0012 for ; Tue, 7 Dec 2021 12:48:20 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp2.osuosl.org (Postfix) with ESMTP id 98D6E40176 for ; Tue, 7 Dec 2021 12:48:20 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp2.osuosl.org ([127.0.0.1]) by localhost (smtp2.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id oUoGCCmY3DbG for ; Tue, 7 Dec 2021 12:48:19 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.8.0 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp2.osuosl.org (Postfix) with ESMTP id 67B8E40137 for ; Tue, 7 Dec 2021 12:48:19 +0000 (UTC) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 90CAF11FB; Tue, 7 Dec 2021 04:48:18 -0800 (PST) Received: from [10.57.34.58] (unknown [10.57.34.58]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 01BAF3F5A1; Tue, 7 Dec 2021 04:48:16 -0800 (PST) Message-ID: Date: Tue, 7 Dec 2021 12:48:13 +0000 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; rv:91.0) Gecko/20100101 Thunderbird/91.3.2 Subject: Re: [PATCH v2 3/3] perf/smmuv3: Synthesize IIDR from CoreSight ID registers Content-Language: en-GB To: John Garry , Jean-Philippe Brucker , leo.yan@linaro.org References: <20211117144844.241072-1-jean-philippe@linaro.org> <20211117144844.241072-4-jean-philippe@linaro.org> <766ac58a-ffb7-f673-709b-0f0f740f3cfd@arm.com> <53f868a8-c7ae-b69d-b061-bb0a7dc98f8a@huawei.com> From: Robin Murphy In-Reply-To: <53f868a8-c7ae-b69d-b061-bb0a7dc98f8a@huawei.com> Cc: mark.rutland@arm.com, devicetree@vger.kernel.org, iommu@lists.linux-foundation.org, robh+dt@kernel.org, uchida.jun@socionext.com, will@kernel.org, linux-arm-kernel@lists.infradead.org X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" On 2021-12-07 12:28, John Garry via iommu wrote: > On 07/12/2021 12:04, Robin Murphy wrote: >>>> >>> So is there some userspace part to go with this now? >> >> FWIW I've not looked into it - is it just a case of someone knocking >> out some JSON from the MMU-600/700 TRMs, or is there still mroe to do? > > That should just be it. > >> I had the impression that *some* part of the process was stalled until >> implementations can start providing meaningful IIDRs, but I wasn't >> sure whether that was tooling or just data. I just work the low-level >> enablement angle :) > > Tooling should be ok, but I would just like to see more of these JSONs > so any tooling issues can be ironed out. Sounds good - Jean, Leo, is that something Linaro might like to pick up as part of the PMCG interest, or shall I make a note on my to-do list for the new year? Thanks, Robin. > > Cheers, > John > > _______________________________________________ > iommu mailing list > iommu@lists.linux-foundation.org > https://lists.linuxfoundation.org/mailman/listinfo/iommu _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id AB747C433FE for ; Tue, 7 Dec 2021 12:49:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231152AbhLGMwz (ORCPT ); Tue, 7 Dec 2021 07:52:55 -0500 Received: from foss.arm.com ([217.140.110.172]:59338 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230238AbhLGMvt (ORCPT ); Tue, 7 Dec 2021 07:51:49 -0500 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 90CAF11FB; Tue, 7 Dec 2021 04:48:18 -0800 (PST) Received: from [10.57.34.58] (unknown [10.57.34.58]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 01BAF3F5A1; Tue, 7 Dec 2021 04:48:16 -0800 (PST) Message-ID: Date: Tue, 7 Dec 2021 12:48:13 +0000 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; rv:91.0) Gecko/20100101 Thunderbird/91.3.2 Subject: Re: [PATCH v2 3/3] perf/smmuv3: Synthesize IIDR from CoreSight ID registers Content-Language: en-GB To: John Garry , Jean-Philippe Brucker , leo.yan@linaro.org Cc: mark.rutland@arm.com, devicetree@vger.kernel.org, iommu@lists.linux-foundation.org, uchida.jun@socionext.com, will@kernel.org, linux-arm-kernel@lists.infradead.org, robh+dt@kernel.org References: <20211117144844.241072-1-jean-philippe@linaro.org> <20211117144844.241072-4-jean-philippe@linaro.org> <766ac58a-ffb7-f673-709b-0f0f740f3cfd@arm.com> <53f868a8-c7ae-b69d-b061-bb0a7dc98f8a@huawei.com> From: Robin Murphy In-Reply-To: <53f868a8-c7ae-b69d-b061-bb0a7dc98f8a@huawei.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On 2021-12-07 12:28, John Garry via iommu wrote: > On 07/12/2021 12:04, Robin Murphy wrote: >>>> >>> So is there some userspace part to go with this now? >> >> FWIW I've not looked into it - is it just a case of someone knocking >> out some JSON from the MMU-600/700 TRMs, or is there still mroe to do? > > That should just be it. > >> I had the impression that *some* part of the process was stalled until >> implementations can start providing meaningful IIDRs, but I wasn't >> sure whether that was tooling or just data. I just work the low-level >> enablement angle :) > > Tooling should be ok, but I would just like to see more of these JSONs > so any tooling issues can be ironed out. Sounds good - Jean, Leo, is that something Linaro might like to pick up as part of the PMCG interest, or shall I make a note on my to-do list for the new year? Thanks, Robin. > > Cheers, > John > > _______________________________________________ > iommu mailing list > iommu@lists.linux-foundation.org > https://lists.linuxfoundation.org/mailman/listinfo/iommu From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 18A09C433EF for ; Tue, 7 Dec 2021 12:52:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:From:References:Cc:To:Subject: MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=ajMo+DhejH7hrrz68k/Iiix7hUB+rlf+dPilI4icY+s=; b=VbeXkbNtWsDCDL axfBe/TjbCFbWVnNyrrYn6h0mEfpZudP8jDFRNCoBhXB4jQ9/e2m0iQH7pNidJIS0rXm4WRaz+B25 048s6/RdVjurizoN1VU1zstyEjvrwsjiwj2c/SvP27JlEhJtsMBF4IMNmWfMi1gUvaB6JaV7gAIMs Cs4qLIi/wGaoTHKBStGgIus3c5x9I6xPdvOnwMUQR2HCD9wMb4x+DrXsXuFTPJIGO972Sn2ExJLfm 2k7DZFcNKr/n51woOty3KluEAmLe9gyaXODQxI5qOQRa9OLaf7fCa+T/p211rHRMkoTgl1kf0piqx QNxelDu8sqECBEV1RvEg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1muZvW-008XMY-EK; Tue, 07 Dec 2021 12:50:34 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1muZtM-008WSf-AC for linux-arm-kernel@lists.infradead.org; Tue, 07 Dec 2021 12:48:21 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 90CAF11FB; Tue, 7 Dec 2021 04:48:18 -0800 (PST) Received: from [10.57.34.58] (unknown [10.57.34.58]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 01BAF3F5A1; Tue, 7 Dec 2021 04:48:16 -0800 (PST) Message-ID: Date: Tue, 7 Dec 2021 12:48:13 +0000 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; rv:91.0) Gecko/20100101 Thunderbird/91.3.2 Subject: Re: [PATCH v2 3/3] perf/smmuv3: Synthesize IIDR from CoreSight ID registers Content-Language: en-GB To: John Garry , Jean-Philippe Brucker , leo.yan@linaro.org Cc: mark.rutland@arm.com, devicetree@vger.kernel.org, iommu@lists.linux-foundation.org, uchida.jun@socionext.com, will@kernel.org, linux-arm-kernel@lists.infradead.org, robh+dt@kernel.org References: <20211117144844.241072-1-jean-philippe@linaro.org> <20211117144844.241072-4-jean-philippe@linaro.org> <766ac58a-ffb7-f673-709b-0f0f740f3cfd@arm.com> <53f868a8-c7ae-b69d-b061-bb0a7dc98f8a@huawei.com> From: Robin Murphy In-Reply-To: <53f868a8-c7ae-b69d-b061-bb0a7dc98f8a@huawei.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211207_044820_463131_DE8034D9 X-CRM114-Status: GOOD ( 14.60 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 2021-12-07 12:28, John Garry via iommu wrote: > On 07/12/2021 12:04, Robin Murphy wrote: >>>> >>> So is there some userspace part to go with this now? >> >> FWIW I've not looked into it - is it just a case of someone knocking >> out some JSON from the MMU-600/700 TRMs, or is there still mroe to do? > > That should just be it. > >> I had the impression that *some* part of the process was stalled until >> implementations can start providing meaningful IIDRs, but I wasn't >> sure whether that was tooling or just data. I just work the low-level >> enablement angle :) > > Tooling should be ok, but I would just like to see more of these JSONs > so any tooling issues can be ironed out. Sounds good - Jean, Leo, is that something Linaro might like to pick up as part of the PMCG interest, or shall I make a note on my to-do list for the new year? Thanks, Robin. > > Cheers, > John > > _______________________________________________ > iommu mailing list > iommu@lists.linux-foundation.org > https://lists.linuxfoundation.org/mailman/listinfo/iommu _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel