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: 11294433 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 18F2B6C1 for ; Mon, 16 Dec 2019 15:40:32 +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 DE6C720665 for ; Mon, 16 Dec 2019 15:40:31 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="Jsc+8YEJ" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DE6C720665 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=GXlNVmGjNIGayrwBVro03Cn0n0y2hqdmgMMbHKhSK94=; b=Jsc+8YEJ+YHEzl P/Kcao/6v7nbTrrf/p+g+z70kw83k61Lv64D8kwSpHxCbSRr/l6CNfJ5A+SyAEp9s4a2MObaSwbi4 +ySQd8o/mFgGqb2h3mUlBMeMECIxozcfmpC/93bLLHLY7VbwdPessP1lVOyWGeAH1CNM/A4J+Jbwb Q4c5179HVCKAsw3jto0KOjqAMvoVtUv25XscAMMk3qVrl44sX77V3PxPXdWxUy1J4tHv7qgYwB4BO r655D4TH44n+Khqk9b2ivR0QLUqypvjImrHhWQPR4Yd1XpqHTSwp3Qc5377D3FCi3VzvMXmjnRZ5K 1h8luLeVTfpJ/rhllIkQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1igsU2-0004ld-4X; Mon, 16 Dec 2019 15:40:30 +0000 Received: from szxga05-in.huawei.com ([45.249.212.191] helo=huawei.com) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1igsSp-0003Yi-FT for linux-arm-kernel@lists.infradead.org; Mon, 16 Dec 2019 15:39:17 +0000 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: , , , , 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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191216_073915_715206_DC309C20 X-CRM114-Status: UNSURE ( 9.70 ) X-CRM114-Notice: Please train this message. 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Wysocki" , linuxarm@huawei.com, Keith Busch , jglisse@redhat.com, Jonathan Cameron , Hanjun Guo , 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 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;