From patchwork Mon Dec 16 15:38:06 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jonathan Cameron X-Patchwork-Id: 11294409 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 801B16C1 for ; Mon, 16 Dec 2019 15:39:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5D9872072D for ; Mon, 16 Dec 2019 15:39:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728515AbfLPPjR (ORCPT ); Mon, 16 Dec 2019 10:39:17 -0500 Received: from szxga05-in.huawei.com ([45.249.212.191]:7255 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728337AbfLPPjQ (ORCPT ); Mon, 16 Dec 2019 10:39:16 -0500 Received: from DGGEMS405-HUB.china.huawei.com (unknown [172.30.72.59]) by Forcepoint Email with ESMTP id 7A8D04F9BB65FF9A3F91; Mon, 16 Dec 2019 23:39:13 +0800 (CST) Received: from lhrphicprd00229.huawei.com (10.123.41.22) by DGGEMS405-HUB.china.huawei.com (10.3.19.205) with Microsoft SMTP Server id 14.3.439.0; Mon, 16 Dec 2019 23:39:05 +0800 From: Jonathan Cameron To: , , , , CC: Keith Busch , , "Rafael J . Wysocki" , , Andrew Morton , Dan Williams , Tao Xu , Brice Goglin , Lorenzo Pieralisi , Hanjun Guo , Sudeep Holla , Jonathan Cameron Subject: [PATCH V6 4/7] ACPI: Let ACPI know we support Generic Initiator Affinity Structures Date: Mon, 16 Dec 2019 23:38:06 +0800 Message-ID: <20191216153809.105463-5-Jonathan.Cameron@huawei.com> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20191216153809.105463-1-Jonathan.Cameron@huawei.com> References: <20191216153809.105463-1-Jonathan.Cameron@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.123.41.22] 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 | 1 + include/linux/acpi.h | 1 + 2 files changed, 2 insertions(+) diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index 54002670cb7a..0ac96fb67515 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -302,6 +302,7 @@ static void acpi_bus_osc_support(void) capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_HOTPLUG_OST_SUPPORT; capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_PCLPI_SUPPORT; + capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_GENERIC_INITIATOR_SUPPORT; #ifdef CONFIG_X86 if (boot_cpu_has(X86_FEATURE_HWP)) { diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 0f37a7d5fa77..7dba8ffdc68a 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -505,6 +505,7 @@ 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;