From patchwork Wed Aug 19 14:51:08 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jonathan Cameron X-Patchwork-Id: 247964 Delivered-To: patch@linaro.org Received: by 2002:a05:6e02:522:0:0:0:0 with SMTP id h2csp534985ils; Wed, 19 Aug 2020 07:54:19 -0700 (PDT) X-Google-Smtp-Source: ABdhPJweJIPTl0OJS79sSgIsTnvVemuae+HN0AxWhrSaEO3eT4LrngMwP5jKg81PJ63HMo5eA08z X-Received: by 2002:aa7:d45a:: with SMTP id q26mr24409173edr.95.1597848859714; Wed, 19 Aug 2020 07:54:19 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1597848859; cv=none; d=google.com; s=arc-20160816; b=k+k6Pc2w3ne+d4UvvgviDKrH5wgvmz8WLsQ+MLKM+jv4LFzwcSLU4qxsNY0CzrY7kP 4F4ajxh9lPF69tbS89wYrGb7cTyf6IjNO72X1hxUq0tUckUIXRDiCOzWNEfqKaex5t6j Ms24gcCGrbYBTHz1URnuwIGCq9xFO9VOdh7++ci4Qxh9cKpXvov6xwDEnk9O8YIPDfML JbFvDHm4Cpk5G+gSFwVkW2ZRsD3Jjva+ihgg/EANdO9rR89he0z46Sys56+WWtowHflq 9P+byMOlSm5+xJhUhtcgNK8QMESoo30GISEF0cqIyCWxyN3NQe3MRLrCNriJSiRy4E3y O3iw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from; bh=gPv4NqJXkN1t4/asyK10JyW0MG7CuHU7pT6soeybAdc=; b=1BxmyRyU3ZW2OHh712uTJTuXPVMYkDbc4Ads4H9Kifc47sOzvn+45eFJQi+brxneYC 1Qg0NDz9frEwisf5gEXENWT2iFU9PTUaQDUV6UeJhVNPjYcAXU4dK8cTyyrWNNs2vIbD Mhm6ZMyI49hBr5bw7Kd9V1ZULMsdw86GplGX/5Xx06RkWDe+kpzNBTUt3wXcr9CVsthR qw56mPCAkyK16h9/SUfKchZuwDfww2oU2/EOPGDWjbcRY17RSVH3jdi4BcppG//GhJpN 11T3pkZwQ4CWlYxwkMDqAbbIyQCG9150SBn7jg5mXEss7N4n4OKK4wyUpsTGcZaMQgSY 6CSQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-acpi-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-acpi-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id y12si15992716ejl.170.2020.08.19.07.54.19; Wed, 19 Aug 2020 07:54:19 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-acpi-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-acpi-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-acpi-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726899AbgHSOyP (ORCPT + 7 others); Wed, 19 Aug 2020 10:54:15 -0400 Received: from lhrrgout.huawei.com ([185.176.76.210]:2670 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727827AbgHSOyO (ORCPT ); Wed, 19 Aug 2020 10:54:14 -0400 Received: from lhreml710-chm.china.huawei.com (unknown [172.18.7.107]) by Forcepoint Email with ESMTP id EE949EF2673380C58CC7; Wed, 19 Aug 2020 15:54:12 +0100 (IST) Received: from lhrphicprd00229.huawei.com (10.123.41.22) by lhreml710-chm.china.huawei.com (10.201.108.61) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1913.5; Wed, 19 Aug 2020 15:54:10 +0100 From: Jonathan Cameron To: , , , CC: Lorenzo Pieralisi , Bjorn Helgaas , , , Ingo Molnar , Thomas Gleixner , , Dan Williams , Brice Goglin , Sean V Kelley , , Jonathan Cameron Subject: [PATCH v9 3/6] ACPI: Let ACPI know we support Generic Initiator Affinity Structures Date: Wed, 19 Aug 2020 22:51:08 +0800 Message-ID: <20200819145111.1715026-4-Jonathan.Cameron@huawei.com> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20200819145111.1715026-1-Jonathan.Cameron@huawei.com> References: <20200819145111.1715026-1-Jonathan.Cameron@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.123.41.22] X-ClientProxiedBy: lhreml741-chm.china.huawei.com (10.201.108.191) To lhreml710-chm.china.huawei.com (10.201.108.61) X-CFilter-Loop: Reflected Sender: linux-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org 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(+) -- 2.19.1 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] |= OSC_SB_HOTPLUG_OST_SUPPORT; capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_PCLPI_SUPPORT; +#ifdef CONFIG_ARM64 + capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_GENERIC_INITIATOR_SUPPORT; +#endif #ifdef CONFIG_X86 + capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_GENERIC_INITIATOR_SUPPORT; if (boot_cpu_has(X86_FEATURE_HWP)) { capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_CPC_SUPPORT; capbuf[OSC_SUPPORT_DWORD] |= 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 acpi_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 extern bool osc_sb_apei_support_acked; extern bool osc_pc_lpi_support_confirmed;