From patchwork Fri Oct 4 11:43:30 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jonathan Cameron X-Patchwork-Id: 11174271 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 AE870139A for ; Fri, 4 Oct 2019 11:45:22 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 81CBA20867 for ; Fri, 4 Oct 2019 11:45:22 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="GIzpt08P" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 81CBA20867 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=AfqG+P3zVQIRpCCU+JDplCwXhMxmn9LVyQUUdMN1W78=; b=GIzpt08PpLyfoy XTXT8Gu2CuS61/DLg0VnnR3GVMHbBgrdpoZYfJ8OOuNFjtGJyx23bboMhvsVKt62NZR8VXvZBIkcZ 8zrVP/9rbXwpAFBTDKEaVqenX+hA9n34PhLFfKLUZ4B4oAiM+ODA2R9argvHsinSRz/viOTyiQC3g bZR+wjqhRBGISi4m7KpRIcRwnAV4yXKvPeswUh23E+bbbnJhJybaYL1GgVzoYb7pN6dXUuBqMUVUG wP0tff5WyYIqduS3B1ar9NNdL44jwWMAy10/pIvk08j4FQe3FomT603F6omQKBKPpS9RoF3naL1rM +mKx8Gk4ze/9Zjc272gg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.2 #3 (Red Hat Linux)) id 1iGM1P-0000pN-A2; Fri, 04 Oct 2019 11:45:19 +0000 Received: from szxga04-in.huawei.com ([45.249.212.190] helo=huawei.com) by bombadil.infradead.org with esmtps (Exim 4.92.2 #3 (Red Hat Linux)) id 1iGM0d-0007IG-R7 for linux-arm-kernel@lists.infradead.org; Fri, 04 Oct 2019 11:44:33 +0000 Received: from DGGEMS401-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id 5C8ABEC96BAA33C61D16; Fri, 4 Oct 2019 19:44:30 +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 14.3.439.0; Fri, 4 Oct 2019 19:44:22 +0800 From: Jonathan Cameron To: , , , , Subject: [PATCH V5 4/4] ACPI: Let ACPI know we support Generic Initiator Affinity Structures Date: Fri, 4 Oct 2019 19:43:30 +0800 Message-ID: <20191004114330.104746-5-Jonathan.Cameron@huawei.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191004114330.104746-1-Jonathan.Cameron@huawei.com> References: <20191004114330.104746-1-Jonathan.Cameron@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.123.41.22] X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191004_044432_480491_87816D97 X-CRM114-Status: UNSURE ( 9.58 ) X-CRM114-Notice: Please train this message. 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Wysocki" , linuxarm@huawei.com, Keith Busch , jglisse@redhat.com, Jonathan Cameron , Dan Williams , Andrew Morton Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.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 48bc96d45bab..9d40e465232f 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 8b4e516bac00..195b21e93aaa 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;