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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (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 9DDA8F0182E for ; Fri, 6 Mar 2026 12:07:51 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vyTxz-0002WU-VG; Fri, 06 Mar 2026 07:07:40 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vyTxr-00021H-JY; Fri, 06 Mar 2026 07:07:33 -0500 Received: from frasgout.his.huawei.com ([185.176.79.56]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vyTxo-0005sE-4s; Fri, 06 Mar 2026 07:07:30 -0500 Received: from mail.maildlp.com (unknown [172.18.224.83]) by frasgout.his.huawei.com (SkyGuard) with ESMTPS id 4fS4rC322VzHnH56; Fri, 6 Mar 2026 20:06:19 +0800 (CST) Received: from dubpeml500005.china.huawei.com (unknown [7.214.145.207]) by mail.maildlp.com (Postfix) with ESMTPS id 0EFB240569; Fri, 6 Mar 2026 20:07:19 +0800 (CST) Received: from localhost (10.203.177.15) by dubpeml500005.china.huawei.com (7.214.145.207) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.11; Fri, 6 Mar 2026 12:07:18 +0000 Date: Fri, 6 Mar 2026 12:07:17 +0000 To: Peter Maydell CC: , Subject: Re: [PATCH 06/65] hw/intc/arm_gicv5: Create and validate QOM properties Message-ID: <20260306120717.0000582f@huawei.com> In-Reply-To: <20260223170212.441276-7-peter.maydell@linaro.org> References: <20260223170212.441276-1-peter.maydell@linaro.org> <20260223170212.441276-7-peter.maydell@linaro.org> X-Mailer: Claws Mail 4.3.0 (GTK 3.24.42; x86_64-w64-mingw32) MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.203.177.15] X-ClientProxiedBy: lhrpeml500012.china.huawei.com (7.191.174.4) To dubpeml500005.china.huawei.com (7.214.145.207) Received-SPF: pass client-ip=185.176.79.56; envelope-from=jonathan.cameron@huawei.com; helo=frasgout.his.huawei.com X-Spam_score_int: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.411, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.679, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-arm@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-to: Jonathan Cameron From: Jonathan Cameron via Errors-To: qemu-arm-bounces+qemu-arm=archiver.kernel.org@nongnu.org Sender: qemu-arm-bounces+qemu-arm=archiver.kernel.org@nongnu.org On Mon, 23 Feb 2026 17:01:13 +0000 Peter Maydell wrote: > Add code to the GICv5 skeleton which creates the QOM properties which > the board or SoC can use to configure the GIC, and the validation > code to check they are in range. Generally these correspond to > fields in the IRS ID registers, and the properties are named > correspondingly. > > Notable here is that unlike the GICv3 (which assumes its connected > CPUs are the system's CPUs starting from 0), we define a QOM array > property which is an array of pointers to the CPUs, and a QOM array > property which is an array of integers telling the GIC what the > IAFFID (interrupt affinity ID) for each CPU is; so a board or SoC > which wants to connect multiple CPUs to this GICv5 would do something > like: > > QList *cpulist = qlist_new(), *iaffidlist = qlist_new(); > > for (int i = 0; i < ms->smp.cpus; i++) { > qlist_append_link(cpulist, OBJECT(qemu_get_cpu(i))); > qlist_append_int(iaffidlist, i); > } > qdev_prop_set_array(vms->gic, "cpus", cpulist); > qdev_prop_set_array(vms->gic, "cpu-iaffids", iaffidlist); > > Signed-off-by: Peter Maydell Reviewed-by: Jonathan Cameron 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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (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 2CB61F01831 for ; Fri, 6 Mar 2026 12:08:00 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vyTy2-0002gk-Lm; Fri, 06 Mar 2026 07:07:42 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vyTxr-00021H-JY; Fri, 06 Mar 2026 07:07:33 -0500 Received: from frasgout.his.huawei.com ([185.176.79.56]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vyTxo-0005sE-4s; Fri, 06 Mar 2026 07:07:30 -0500 Received: from mail.maildlp.com (unknown [172.18.224.83]) by frasgout.his.huawei.com (SkyGuard) with ESMTPS id 4fS4rC322VzHnH56; Fri, 6 Mar 2026 20:06:19 +0800 (CST) Received: from dubpeml500005.china.huawei.com (unknown [7.214.145.207]) by mail.maildlp.com (Postfix) with ESMTPS id 0EFB240569; Fri, 6 Mar 2026 20:07:19 +0800 (CST) Received: from localhost (10.203.177.15) by dubpeml500005.china.huawei.com (7.214.145.207) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.11; Fri, 6 Mar 2026 12:07:18 +0000 Date: Fri, 6 Mar 2026 12:07:17 +0000 To: Peter Maydell CC: , Subject: Re: [PATCH 06/65] hw/intc/arm_gicv5: Create and validate QOM properties Message-ID: <20260306120717.0000582f@huawei.com> In-Reply-To: <20260223170212.441276-7-peter.maydell@linaro.org> References: <20260223170212.441276-1-peter.maydell@linaro.org> <20260223170212.441276-7-peter.maydell@linaro.org> X-Mailer: Claws Mail 4.3.0 (GTK 3.24.42; x86_64-w64-mingw32) MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.203.177.15] X-ClientProxiedBy: lhrpeml500012.china.huawei.com (7.191.174.4) To dubpeml500005.china.huawei.com (7.214.145.207) Received-SPF: pass client-ip=185.176.79.56; envelope-from=jonathan.cameron@huawei.com; helo=frasgout.his.huawei.com X-Spam_score_int: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.411, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.679, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-to: Jonathan Cameron From: Jonathan Cameron via qemu development Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On Mon, 23 Feb 2026 17:01:13 +0000 Peter Maydell wrote: > Add code to the GICv5 skeleton which creates the QOM properties which > the board or SoC can use to configure the GIC, and the validation > code to check they are in range. Generally these correspond to > fields in the IRS ID registers, and the properties are named > correspondingly. > > Notable here is that unlike the GICv3 (which assumes its connected > CPUs are the system's CPUs starting from 0), we define a QOM array > property which is an array of pointers to the CPUs, and a QOM array > property which is an array of integers telling the GIC what the > IAFFID (interrupt affinity ID) for each CPU is; so a board or SoC > which wants to connect multiple CPUs to this GICv5 would do something > like: > > QList *cpulist = qlist_new(), *iaffidlist = qlist_new(); > > for (int i = 0; i < ms->smp.cpus; i++) { > qlist_append_link(cpulist, OBJECT(qemu_get_cpu(i))); > qlist_append_int(iaffidlist, i); > } > qdev_prop_set_array(vms->gic, "cpus", cpulist); > qdev_prop_set_array(vms->gic, "cpu-iaffids", iaffidlist); > > Signed-off-by: Peter Maydell Reviewed-by: Jonathan Cameron