From patchwork Wed Sep 30 14:05:44 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jonathan Cameron X-Patchwork-Id: 313897 Delivered-To: patch@linaro.org Received: by 2002:a05:6e02:1081:0:0:0:0 with SMTP id r1csp247871ilj; Wed, 30 Sep 2020 07:09:30 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwEOOEl03gNjt8HDNfI3/eWPnFNwWHEd/O9CiU3GGOzsrHm4Mchnqh7u1ZNdXz+kPMF0wRu X-Received: by 2002:aa7:d9c9:: with SMTP id v9mr2961615eds.103.1601474969900; Wed, 30 Sep 2020 07:09:29 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1601474969; cv=none; d=google.com; s=arc-20160816; b=LP42VmGx7iA/2rm0CPhhN4T2M0ewsu2ezp210N898eCUQQ7Nx4RhKdttatL1hcSJxg hq8vrUcKCRcijs84gpl/AHY2ogXVSbSWdHboJskK/j2KEsAQyobVVY9aPUJ+xuuD9S0m 8eV4ZYLrsMNvHChEdQgWaepps1QX33wesRt5sieHDt1hvK+Kh5hzHP+DXgP6VZRNYXIM reG/gPCjyCAYHedZli5EotZaGmqpLQ4Fy98IqCaJwjbjBknUsiAECbemJIsQmUNzluL6 QirgGel5juE1rjKT64IJ3DkS4godOgP+fjQRKE2sDVGyMG8Fszx8DQPZjOUSg+gQsmWP FaiQ== 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=gPv4NqJXkN1t4/asyK10JyW0MG7CuHU7pT6soeybAdc=; b=p+8jkLXlDxce8yUMTtcWI2pkSrTzH2XgoZC0qXHWtIImapXFIBJlYYwIF24O/BoYUA MMQ879Jd2ZHaB6kpKDsURUm/O0Ip/qCDlnqdqvaG3XMBEsISjazREd6lvoq5QNMcAF/Q TycHYNoJbeoqqmEH2SU1imBAvXxmlrldZndPcu/Coivrkwkvpu+gJBiwuvobM/76AFEv eAEeJYvZ+5ioYcife5zfw0E0Xzd0r+j6GvGpeDJ1SCdy1hmYq7CJFbTaVRSA4C4fRw8Q rY4OMaiO8gDK+aS1O5EKhSIy4fytQzqTSVl9mR4+1E59HJu+n/so2ULOsZjvUrBGpYpi G8Aw== 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 dx14si1271447ejb.501.2020.09.30.07.09.29; Wed, 30 Sep 2020 07:09:29 -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 S1730389AbgI3OJZ (ORCPT + 7 others); Wed, 30 Sep 2020 10:09:25 -0400 Received: from szxga06-in.huawei.com ([45.249.212.32]:53744 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1730198AbgI3OJZ (ORCPT ); Wed, 30 Sep 2020 10:09:25 -0400 Received: from DGGEMS401-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id 10B5B856939678306194; Wed, 30 Sep 2020 22:09:20 +0800 (CST) Received: from lhrphicprd00229.huawei.com (10.123.41.22) by DGGEMS401-HUB.china.huawei.com (10.3.19.201) with Microsoft SMTP Server id 14.3.487.0; Wed, 30 Sep 2020 22:09:11 +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 v12 3/6] ACPI: Let ACPI know we support Generic Initiator Affinity Structures Date: Wed, 30 Sep 2020 22:05:44 +0800 Message-ID: <20200930140547.840251-4-Jonathan.Cameron@huawei.com> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20200930140547.840251-1-Jonathan.Cameron@huawei.com> References: <20200930140547.840251-1-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 --- 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;