From patchwork Mon Sep 28 12:52:32 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jonathan Cameron X-Patchwork-Id: 313647 Delivered-To: patch@linaro.org Received: by 2002:a92:5ad1:0:0:0:0:0 with SMTP id b78csp3275235ilg; Mon, 28 Sep 2020 05:55:33 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyatYMCg7NcxFZ2URdptywtARNYLNKeTbf4k24Xn3N/U5Hv7zdenf7ZLLhH693onw5U4CGP X-Received: by 2002:a17:907:43f6:: with SMTP id mu6mr1573004ejb.244.1601297733647; Mon, 28 Sep 2020 05:55:33 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1601297733; cv=none; d=google.com; s=arc-20160816; b=TdAPcUDOIUhrsCcA/BSt0mObZVd2F9pWY4kV448AkOzs6KKicvNV6zAjG2KMqvZZw6 jXtAilGUOM46wOa93ozlD3IiLCmr1X06QD1H1dwbcm6EDK9nZrNCBL5fbCrodub0Q84T nR9WtaiAVMsP7mYRx1aXx0T6yKS4epz9/6opqJFQaI1iXswPQzuKYhoiKoed6ecknzd9 uydi6Uj7xFvsNupA0bGlhSFEX3sS/CR8tA5rsxRMB2NMtX3GCCf0XVWzOzTrB8XJC/QO FfVP9mIVUtWsbQy0kJYfk4b1IKjWjj9DgjSbKWJWXSn9t65e9qEbv73yn68K42TW3cem CB7A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from; bh=7jJnLIKadM3xIHjL8rahZOdcKOfPJgxXALE1qwdyCok=; b=hQrmUi74DDlGB65pKb29OAVvh8njPt/d2PQ0mU2ND2C70fpgxCs9eIaJeatl0HOqWZ Ps8om3JbCtqJGhkung7GkphrfDWzD3wBWG63bN8yM1DbKGFwtVp1t8uBITFEHkZkzJV6 fXJQNgI5WWW1MPnRCfX/QiCJPk3r91Ij9I/P0Nq0jZwt1dRrhc67i1z/v4sb3Xl2UJx6 4EJxQSCVKAVw6cQdmPRdarPUFCJ/m72AZpAzGktoLdKodpfg09HUMdV4/R5tXfdPI5mE cuwtz3KyUbDUVhbQ7bzypOy5GAzOo1K5DrwmIK1medPkbnDt5pKUHNwLAowwBBcmW7ei yr2g== 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 j17si562898ejs.0.2020.09.28.05.55.33; Mon, 28 Sep 2020 05:55:33 -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 S1726656AbgI1Mzb (ORCPT + 7 others); Mon, 28 Sep 2020 08:55:31 -0400 Received: from szxga07-in.huawei.com ([45.249.212.35]:40600 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726380AbgI1Mza (ORCPT ); Mon, 28 Sep 2020 08:55:30 -0400 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 X-Originating-IP: [10.123.41.22] X-CFilter-Loop: Reflected 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 --- v11: No change 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;