From nobody Fri Apr 26 03:08:18 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1570644552; cv=none; d=zoho.com; s=zohoarc; b=mK3wtbJ2uhk7rj4CE6MeBvQL+QY9KOxlkg6GzdMxIV2S/LCZhKNjB0keJmq67YBsUH6mGafZ4Gn9FU/saSZqOjr35MqTSDScCdzSFGHfE+9IvEyAUwgX2XEHhUOfGMeA5QwvvZ8nmauKBA0sd1Iu63cxNG2eNu7k9J/k/UXM5OQ= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1570644552; h=Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:Message-ID:References:Sender:Subject:To; bh=qwav7vpN27ZlHq8B2puB71XWabP4mAtJB4uQRtYNRMU=; b=Hn7yrD/4L9XiXsXfeiAi7isg3FOZBTs1qAspEf9COImxFyKeNQvr/GOnAuZHFXei8gEusUWoiKwQxFizJGnemaWVKMEsXy7X4LOP5lj+4KAegYABg3oYkR24sD2YRX3kWiGEK6mm8/JwV19N1ce+MeZIc3OZQEYq6XGWTwyfA6U= ARC-Authentication-Results: i=1; mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1570644552656704.0406424541584; Wed, 9 Oct 2019 11:09:12 -0700 (PDT) Received: from localhost ([::1]:53576 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iIGOd-0003iW-3v for importer@patchew.org; Wed, 09 Oct 2019 14:09:11 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:46293) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iIBvp-0002nA-75 for qemu-devel@nongnu.org; Wed, 09 Oct 2019 09:23:10 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iIBvn-0001Kj-Ok for qemu-devel@nongnu.org; Wed, 09 Oct 2019 09:23:08 -0400 Received: from mx1.redhat.com ([209.132.183.28]:39392) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1iIBvn-0001KW-Jp for qemu-devel@nongnu.org; Wed, 09 Oct 2019 09:23:07 -0400 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id C4AB7806A79; Wed, 9 Oct 2019 13:23:06 +0000 (UTC) Received: from dell-r430-03.lab.eng.brq.redhat.com (dell-r430-03.lab.eng.brq.redhat.com [10.37.153.18]) by smtp.corp.redhat.com (Postfix) with ESMTP id 256DA5C1D6; Wed, 9 Oct 2019 13:23:04 +0000 (UTC) From: Igor Mammedov To: qemu-devel@nongnu.org Subject: [RFC 1/3] acpi: cpuhp: fix 'Command data' description is spec Date: Wed, 9 Oct 2019 09:22:50 -0400 Message-Id: <20191009132252.17860-2-imammedo@redhat.com> In-Reply-To: <20191009132252.17860-1-imammedo@redhat.com> References: <20191009132252.17860-1-imammedo@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.6.2 (mx1.redhat.com [10.5.110.67]); Wed, 09 Oct 2019 13:23:06 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Eduardo Habkost , "Michael S. Tsirkin" , Laszlo Ersek , Gerd Hoffmann , Paolo Bonzini , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Richard Henderson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" QEMU returns 0, in case of erro or invalid value in 'Command field', make spec match reality, i.e. Also fix returned value description in case 'Command field' =3D=3D 0x0, it's in not PXM but CPU selector value with pending event Signed-off-by: Igor Mammedov --- docs/specs/acpi_cpu_hotplug.txt | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/docs/specs/acpi_cpu_hotplug.txt b/docs/specs/acpi_cpu_hotplug.= txt index ee219c8358..ac5903b2b1 100644 --- a/docs/specs/acpi_cpu_hotplug.txt +++ b/docs/specs/acpi_cpu_hotplug.txt @@ -44,9 +44,10 @@ read access: 3-7: reserved and should be ignored by OSPM [0x5-0x7] reserved [0x8] Command data: (DWORD access) - in case of error or unsupported command reads is 0xFFFFFFFF + in case of error or unsupported command reads is 0x0 current 'Command field' value: - 0: returns PXM value corresponding to device + 0: returns CPU selector value corresponding to a CPU with + pending event. =20 write access: offset: --=20 2.18.1 From nobody Fri Apr 26 03:08:18 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1570647073; cv=none; d=zoho.com; s=zohoarc; b=onWE8FX9JCbfszwtgIApoqT+SOlDBap6DFdJlvHW+fuzPjJ5cvG9rvxIUrz7xYLIlAbCDxj6+mutvHeH6j3n8tts13GgzW5Dy9oLhE1yazJc8p0N2N6o+EY6/jcgDaVjnQLAEtj15h2272ygWdu6kwn5FXAymM78nEr7uyfQAH0= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1570647073; h=Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:Message-ID:References:Sender:Subject:To; bh=7FzWgYxehxZ6HpUFS7oB8GZv33q7o06nwpJ/jHXhEr0=; b=FHAmBfOrJRXRqxggVQ7MWl15qM9tmof6eAzHIdhlymteH0mqm/8ShBaLvWuAkuinPXktyOafvH4SOXTP0dZ0B/dVWt/Bfmbt8Yrj+/FoIothgjKkbr2uVTjDCGgEXGErMiPs7MphDSDInsSz7vBQcx7yjM7b4r6tfpYm7o43ylo= ARC-Authentication-Results: i=1; mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1570647073882604.7159479402222; Wed, 9 Oct 2019 11:51:13 -0700 (PDT) Received: from localhost ([::1]:54174 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iIH3I-0004u7-CG for importer@patchew.org; Wed, 09 Oct 2019 14:51:12 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:46311) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iIBvq-0002nN-PE for qemu-devel@nongnu.org; Wed, 09 Oct 2019 09:23:11 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iIBvp-0001LB-MZ for qemu-devel@nongnu.org; Wed, 09 Oct 2019 09:23:10 -0400 Received: from mx1.redhat.com ([209.132.183.28]:45390) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1iIBvp-0001L3-HU for qemu-devel@nongnu.org; Wed, 09 Oct 2019 09:23:09 -0400 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id AFD789B299; Wed, 9 Oct 2019 13:23:08 +0000 (UTC) Received: from dell-r430-03.lab.eng.brq.redhat.com (dell-r430-03.lab.eng.brq.redhat.com [10.37.153.18]) by smtp.corp.redhat.com (Postfix) with ESMTP id 1503B5C1D6; Wed, 9 Oct 2019 13:23:06 +0000 (UTC) From: Igor Mammedov To: qemu-devel@nongnu.org Subject: [RFC 2/3] acpi: cpuhp: add typical usecases into spec Date: Wed, 9 Oct 2019 09:22:51 -0400 Message-Id: <20191009132252.17860-3-imammedo@redhat.com> In-Reply-To: <20191009132252.17860-1-imammedo@redhat.com> References: <20191009132252.17860-1-imammedo@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.39]); Wed, 09 Oct 2019 13:23:08 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Eduardo Habkost , "Michael S. Tsirkin" , Laszlo Ersek , Gerd Hoffmann , Paolo Bonzini , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Richard Henderson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Clarify values of "CPU selector' register and add workflows for * finding CPU with pending 'insert/remove' event * enumerating present/non present CPUs Signed-off-by: Igor Mammedov --- docs/specs/acpi_cpu_hotplug.txt | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/docs/specs/acpi_cpu_hotplug.txt b/docs/specs/acpi_cpu_hotplug.= txt index ac5903b2b1..43c5a193f0 100644 --- a/docs/specs/acpi_cpu_hotplug.txt +++ b/docs/specs/acpi_cpu_hotplug.txt @@ -54,6 +54,7 @@ write access: [0x0-0x3] CPU selector: (DWORD access) selects active CPU device. All following accesses to other registers will read/store data from/to selected CPU. + Valid values: [0 .. max_cpus) [0x4] CPU device control fields: (1 byte access) bits: 0: reserved, OSPM must clear it before writing to register. @@ -93,3 +94,24 @@ Selecting CPU device beyond possible range has no effect= on platform: ignored - read accesses to CPU hot-plug registers not documented above return all bits set to 0. + +Typical usecases: + - Get a cpu with pending event + 1. write 0x0 into 'Command field' register + 2. read from 'Command data' register, CPU selector value (CPU's UID i= n ACPI + tables) and event for selected CPU from 'CPU device status fields' + register. If there aren't pending events, CPU selector value doesn= 't + change and 'insert' and 'remove' bits are not set. + - Enumerate CPUs present/non present CPUs. + 1. set iterator to 0x0 + 2. write 0x0 into 'Command field' register and then iterator + into 'CPU selector' register. + 3. read 'enabled' flag for selected CPU from 'CPU device status field= s' + register + 4. to continue to the next CPU, increment iterator and repeat step 2 + 5. read 'Command data' register + 5.1 if 'Command data' register matches iterator continue to step 3. + (read presence bit for the next CPU) + 5.2 if 'Command data' register has not changed, there is not CPU + corresponding to iterator value and the last valid iterator value + equals to 'max_cpus' + 1 --=20 2.18.1 From nobody Fri Apr 26 03:08:18 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1570644711; cv=none; d=zoho.com; s=zohoarc; b=OfXGCnG6VNvKNLFce3Irht6a5MvRKQNuwEDj2SXb5ejQ5td+e6jgbhfwGabxgsJWsHL4/IrxGbMCbh892NnQX1FYiWVzvhADcDekJ9qZAyv9eyjsc+0bGuap3YEGjK0RKdUmndomCYIl+Pw7lJ6nTR9SibmGPVHHb19tDso1+30= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1570644711; h=Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:Message-ID:References:Sender:Subject:To; bh=y57s929sKnPGzR8mS6oEokR+fMEiXPEy+q55dM2RKZA=; b=j26CMssy4MK4MjsarntfPWIcC9RnGf4wUJiqQ3Hq8l02qrtIpEdcMHPYmTPVhPEjvPZ76KACZU74k2rYlZWjnNj10/laufiGS6dX53p6U5fRMEeTNayzp2VSeyoF+kXZb9H3t1PuzAKKU0177cPlP1J9yfIwMgRSoZpX2gKTpYQ= ARC-Authentication-Results: i=1; mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1570644711753270.58339062715675; Wed, 9 Oct 2019 11:11:51 -0700 (PDT) Received: from localhost ([::1]:53606 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iIGRC-0007ke-6z for importer@patchew.org; Wed, 09 Oct 2019 14:11:50 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:46322) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iIBvs-0002nT-SI for qemu-devel@nongnu.org; Wed, 09 Oct 2019 09:23:14 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iIBvr-0001LV-KX for qemu-devel@nongnu.org; Wed, 09 Oct 2019 09:23:12 -0400 Received: from mx1.redhat.com ([209.132.183.28]:48242) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1iIBvr-0001LQ-Cu for qemu-devel@nongnu.org; Wed, 09 Oct 2019 09:23:11 -0400 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id A1E6E10C094D; Wed, 9 Oct 2019 13:23:10 +0000 (UTC) Received: from dell-r430-03.lab.eng.brq.redhat.com (dell-r430-03.lab.eng.brq.redhat.com [10.37.153.18]) by smtp.corp.redhat.com (Postfix) with ESMTP id 02CF35C1D6; Wed, 9 Oct 2019 13:23:08 +0000 (UTC) From: Igor Mammedov To: qemu-devel@nongnu.org Subject: [RFC 3/3] acpi: cpuhp: add CPHP_GET_CPU_ID_CMD command Date: Wed, 9 Oct 2019 09:22:52 -0400 Message-Id: <20191009132252.17860-4-imammedo@redhat.com> In-Reply-To: <20191009132252.17860-1-imammedo@redhat.com> References: <20191009132252.17860-1-imammedo@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.6.2 (mx1.redhat.com [10.5.110.66]); Wed, 09 Oct 2019 13:23:10 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Eduardo Habkost , "Michael S. Tsirkin" , Laszlo Ersek , Gerd Hoffmann , Paolo Bonzini , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Richard Henderson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Extend CPU hotplug interface to return architecture specific identifier for current CPU (in case of x86, it's APIC ID). Signed-off-by: Igor Mammedov --- TODO: * cripple it to behave old way on old machine types so that new firmware started on new QEMU won't see a difference when migrated to an old QEMU (i.e. QEMU that doesn't support this command) --- docs/specs/acpi_cpu_hotplug.txt | 10 +++++++++- hw/acpi/cpu.c | 15 +++++++++++++++ hw/acpi/trace-events | 1 + 3 files changed, 25 insertions(+), 1 deletion(-) diff --git a/docs/specs/acpi_cpu_hotplug.txt b/docs/specs/acpi_cpu_hotplug.= txt index 43c5a193f0..0438678249 100644 --- a/docs/specs/acpi_cpu_hotplug.txt +++ b/docs/specs/acpi_cpu_hotplug.txt @@ -32,7 +32,9 @@ Register block size: =20 read access: offset: - [0x0-0x3] reserved + [0x0-0x3] Command data 2: (DWORD access) + upper 32 bit of 'Command data' if returned data value is 64 = bit. + in case of error or unsupported command reads is 0x0 [0x4] CPU device status fields: (1 byte access) bits: 0: Device is enabled and may be used by guest @@ -87,6 +89,8 @@ write access: 2: stores value into OST status register, triggers ACPI_DEVICE_OST QMP event from QEMU to external applicati= ons with current values of OST event and status registers. + 3: OSPM reads architecture specific value identifying CPU + (x86: APIC ID) other values: reserved =20 Selecting CPU device beyond possible range has no effect on platform: @@ -115,3 +119,7 @@ Typical usecases: 5.2 if 'Command data' register has not changed, there is not CPU corresponding to iterator value and the last valid iterator value equals to 'max_cpus' + 1 + - Get architecture specific id for a CPU + 1. pick a CPU to read from using 'CPU selector' register + 2. write 0x3 int0 'Command field' register + 3. read architecture specific id from 'Command data' register diff --git a/hw/acpi/cpu.c b/hw/acpi/cpu.c index 87f30a31d7..701542d860 100644 --- a/hw/acpi/cpu.c +++ b/hw/acpi/cpu.c @@ -12,11 +12,13 @@ #define ACPI_CPU_FLAGS_OFFSET_RW 4 #define ACPI_CPU_CMD_OFFSET_WR 5 #define ACPI_CPU_CMD_DATA_OFFSET_RW 8 +#define ACPI_CPU_CMD_DATA2_OFFSET_RW 0 =20 enum { CPHP_GET_NEXT_CPU_WITH_EVENT_CMD =3D 0, CPHP_OST_EVENT_CMD =3D 1, CPHP_OST_STATUS_CMD =3D 2, + CPHP_GET_CPU_ID_CMD =3D 3, CPHP_CMD_MAX }; =20 @@ -74,11 +76,24 @@ static uint64_t cpu_hotplug_rd(void *opaque, hwaddr add= r, unsigned size) case CPHP_GET_NEXT_CPU_WITH_EVENT_CMD: val =3D cpu_st->selector; break; + case CPHP_GET_CPU_ID_CMD: + val =3D cpu_to_le64(cdev->arch_id) & 0xFFFFFFFF; + break; default: break; } trace_cpuhp_acpi_read_cmd_data(cpu_st->selector, val); break; + case ACPI_CPU_CMD_DATA2_OFFSET_RW: + switch (cpu_st->command) { + case CPHP_GET_CPU_ID_CMD: + val =3D cpu_to_le64(cdev->arch_id) >> 32; + break; + default: + break; + } + trace_cpuhp_acpi_read_cmd_data2(cpu_st->selector, val); + break; default: break; } diff --git a/hw/acpi/trace-events b/hw/acpi/trace-events index 96b8273297..afbc77de1c 100644 --- a/hw/acpi/trace-events +++ b/hw/acpi/trace-events @@ -23,6 +23,7 @@ cpuhp_acpi_read_flags(uint32_t idx, uint8_t flags) "idx[0= x%"PRIx32"] flags: 0x%" cpuhp_acpi_write_idx(uint32_t idx) "set active cpu idx: 0x%"PRIx32 cpuhp_acpi_write_cmd(uint32_t idx, uint8_t cmd) "idx[0x%"PRIx32"] cmd: 0x%= "PRIx8 cpuhp_acpi_read_cmd_data(uint32_t idx, uint32_t data) "idx[0x%"PRIx32"] da= ta: 0x%"PRIx32 +cpuhp_acpi_read_cmd_data2(uint32_t idx, uint32_t data) "idx[0x%"PRIx32"] d= ata: 0x%"PRIx32 cpuhp_acpi_cpu_has_events(uint32_t idx, bool ins, bool rm) "idx[0x%"PRIx32= "] inserting: %d, removing: %d" cpuhp_acpi_clear_inserting_evt(uint32_t idx) "idx[0x%"PRIx32"]" cpuhp_acpi_clear_remove_evt(uint32_t idx) "idx[0x%"PRIx32"]" --=20 2.18.1