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 X-Spam-Level: X-Spam-Status: No, score=-12.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 22345C47420 for ; Mon, 28 Sep 2020 12:55:34 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id B5ED02067D for ; Mon, 28 Sep 2020 12:55:33 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B5ED02067D Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 165716B006E; Mon, 28 Sep 2020 08:55:33 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 0EEB68E0001; Mon, 28 Sep 2020 08:55:33 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id F1F9D6B0073; Mon, 28 Sep 2020 08:55:32 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0082.hostedemail.com [216.40.44.82]) by kanga.kvack.org (Postfix) with ESMTP id D8C796B006E for ; Mon, 28 Sep 2020 08:55:32 -0400 (EDT) Received: from smtpin30.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id 95CFE181AE86A for ; Mon, 28 Sep 2020 12:55:32 +0000 (UTC) X-FDA: 77312466504.30.clock60_5e02df327181 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin30.hostedemail.com (Postfix) with ESMTP id 709A6180B3C83 for ; Mon, 28 Sep 2020 12:55:32 +0000 (UTC) X-HE-Tag: clock60_5e02df327181 X-Filterd-Recvd-Size: 3361 Received: from huawei.com (szxga07-in.huawei.com [45.249.212.35]) by imf25.hostedemail.com (Postfix) with ESMTP for ; Mon, 28 Sep 2020 12:55:31 +0000 (UTC) Received: from DGGEMS404-HUB.china.huawei.com (unknown [172.30.72.59]) by Forcepoint Email with ESMTP id C8B40645ED381BB04DC0; Mon, 28 Sep 2020 20:55:27 +0800 (CST) Received: from lhrphicprd00229.huawei.com (10.123.41.22) by DGGEMS404-HUB.china.huawei.com (10.3.19.204) with Microsoft SMTP Server id 14.3.487.0; Mon, 28 Sep 2020 20:55:18 +0800 From: Jonathan Cameron To: , , , , Lorenzo Pieralisi , , Ingo Molnar CC: Bjorn Helgaas , , Thomas Gleixner , , Dan Williams , Brice Goglin , "Sean V Kelley" , , "Borislav Petkov" , Hanjun Guo , Jonathan Cameron Subject: [PATCH v11 3/6] ACPI: Let ACPI know we support Generic Initiator Affinity Structures Date: Mon, 28 Sep 2020 20:52:32 +0800 Message-ID: <20200928125235.446188-4-Jonathan.Cameron@huawei.com> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20200928125235.446188-1-Jonathan.Cameron@huawei.com> References: <20200928125235.446188-1-Jonathan.Cameron@huawei.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.123.41.22] X-CFilter-Loop: Reflected Content-Transfer-Encoding: quoted-printable X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Until we tell ACPI that we support generic initiators, it will have to operate in fall back domain mode and all _PXM entries should be on existing non GI domains. This patch sets the relevant OSC bit to make that happen. Signed-off-by: Jonathan Cameron --- v11: No change drivers/acpi/bus.c | 4 ++++ include/linux/acpi.h | 1 + 2 files changed, 5 insertions(+) diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index 54002670cb7a..113c661eb848 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -303,7 +303,11 @@ static void acpi_bus_osc_support(void) capbuf[OSC_SUPPORT_DWORD] |=3D OSC_SB_HOTPLUG_OST_SUPPORT; capbuf[OSC_SUPPORT_DWORD] |=3D OSC_SB_PCLPI_SUPPORT; =20 +#ifdef CONFIG_ARM64 + capbuf[OSC_SUPPORT_DWORD] |=3D OSC_SB_GENERIC_INITIATOR_SUPPORT; +#endif #ifdef CONFIG_X86 + capbuf[OSC_SUPPORT_DWORD] |=3D OSC_SB_GENERIC_INITIATOR_SUPPORT; if (boot_cpu_has(X86_FEATURE_HWP)) { capbuf[OSC_SUPPORT_DWORD] |=3D OSC_SB_CPC_SUPPORT; capbuf[OSC_SUPPORT_DWORD] |=3D OSC_SB_CPCV2_SUPPORT; diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 1e4cdc6c7ae2..1321518a53d2 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -546,6 +546,7 @@ acpi_status acpi_run_osc(acpi_handle handle, struct a= cpi_osc_context *context); #define OSC_SB_PCLPI_SUPPORT 0x00000080 #define OSC_SB_OSLPI_SUPPORT 0x00000100 #define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT 0x00001000 +#define OSC_SB_GENERIC_INITIATOR_SUPPORT 0x00002000 =20 extern bool osc_sb_apei_support_acked; extern bool osc_pc_lpi_support_confirmed; --=20 2.19.1