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 60573C2D0A7 for ; Mon, 7 Sep 2020 14:06:17 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 04E442064B for ; Mon, 7 Sep 2020 14:06:16 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 04E442064B 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 6C9586B006C; Mon, 7 Sep 2020 10:06:16 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 6A9356B006E; Mon, 7 Sep 2020 10:06:16 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 5DD156B0070; Mon, 7 Sep 2020 10:06:16 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0193.hostedemail.com [216.40.44.193]) by kanga.kvack.org (Postfix) with ESMTP id 46F766B006C for ; Mon, 7 Sep 2020 10:06:16 -0400 (EDT) Received: from smtpin29.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id 0BEC6181AC9BF for ; Mon, 7 Sep 2020 14:06:16 +0000 (UTC) X-FDA: 77236439952.29.goat63_14086ad270cc Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin29.hostedemail.com (Postfix) with ESMTP id D18E1180868C1 for ; Mon, 7 Sep 2020 14:06:15 +0000 (UTC) X-HE-Tag: goat63_14086ad270cc X-Filterd-Recvd-Size: 3310 Received: from huawei.com (szxga05-in.huawei.com [45.249.212.191]) by imf14.hostedemail.com (Postfix) with ESMTP for ; Mon, 7 Sep 2020 14:06:15 +0000 (UTC) Received: from DGGEMS406-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id 882418E65DAF15108DEE; Mon, 7 Sep 2020 22:06:11 +0800 (CST) Received: from lhrphicprd00229.huawei.com (10.123.41.22) by DGGEMS406-HUB.china.huawei.com (10.3.19.206) with Microsoft SMTP Server id 14.3.487.0; Mon, 7 Sep 2020 22:06:03 +0800 From: Jonathan Cameron To: , , , , Lorenzo Pieralisi , , Ingo Molnar CC: Bjorn Helgaas , , Thomas Gleixner , , Dan Williams , Brice Goglin , "Sean V Kelley" , , "Hanjun Guo" , Jonathan Cameron Subject: [PATCH v10 3/6] ACPI: Let ACPI know we support Generic Initiator Affinity Structures Date: Mon, 7 Sep 2020 22:03:04 +0800 Message-ID: <20200907140307.571932-4-Jonathan.Cameron@huawei.com> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20200907140307.571932-1-Jonathan.Cameron@huawei.com> References: <20200907140307.571932-1-Jonathan.Cameron@huawei.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.123.41.22] X-CFilter-Loop: Reflected X-Rspamd-Queue-Id: D18E1180868C1 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam01 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 --- 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