From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AIpwx4+L3iyzS3WRX/CgBPHjl6OHk3VlDdZmcL/xCRKNwgx8/nVakWzcyjZTlW8EAfnWwaGQquhX ARC-Seal: i=1; a=rsa-sha256; t=1524013870; cv=none; d=google.com; s=arc-20160816; b=V/ilOdhJmtx23BUvPLfRuz5aw69NROrxzmpfdTsbRwgK3A8ZBUdXJ2niehNNYFS7AH XldQ0Ibepc/uwjyBjjGKNaFBf+NWPsa6ekBR5ho/mrjEr2btLDyuxhwyBbTkJZrgL2nA 7SiConhD7XXhpOATD9XbBwmdtPRnCV+5yZwSrBlfdGDfC/9v84pQmCAYc/k34QzKonXs 4YWVAy1ET173gnvPx2yulWwXIPPGMJNmWfZ6v4N5SMs+0pLChQFBd4Rg6+1sGQJHliXP tm+ljHxMIPQFGDEyQIaJ/UDLVCwL5peLUA5R6Qd8mEzhTLppmGPq6OxW2RZMHvr6Ml3G 7Z5g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=message-id:references:in-reply-to:date:subject:cc:to:from :arc-authentication-results; bh=XRGTnWIbj6n7f1xRbLWljtrn3ycqyeapIpbgdtFNOwc=; b=OX/F5eB1WmSpmWQDc/x+FpmQx+J5aZLb46avQdfZamCIEPwZHtgLtudr0G9N1kqJJx j+/01o9+U06uo6vIMX8FVbChFnDYIEMXjY9pPMPR8PEjihLDy8Vf1zOz4F/aNoZJSIF6 pItAd6tldekgYWcR2/Ar76f7Jtgcelbt2QghzwbKP+e2IeiNe8wdHkJem2r+QX7LpTKJ 0yEHxKLRWg5WTFnWgsUTrUCmZkHlUpdhbsRfqHMrl71prwiwUEytZnTrGOryDf6vC758 PZhoa/UTgbC9yqWq3gciafv7ihGXS2p+ZwlfhLTm9CtbPOoTQbtlqKz3+BcDfCTpvSnl UMiA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of alastair@au1.ibm.com designates 148.163.158.5 as permitted sender) smtp.mailfrom=alastair@au1.ibm.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=ibm.com Authentication-Results: mx.google.com; spf=pass (google.com: domain of alastair@au1.ibm.com designates 148.163.158.5 as permitted sender) smtp.mailfrom=alastair@au1.ibm.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=ibm.com From: "Alastair D'Silva" To: linuxppc-dev@lists.ozlabs.org Cc: linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, mikey@neuling.org, vaibhav@linux.vnet.ibm.com, aneesh.kumar@linux.vnet.ibm.com, malat@debian.org, felix@linux.vnet.ibm.com, pombredanne@nexb.com, sukadev@linux.vnet.ibm.com, npiggin@gmail.com, gregkh@linuxfoundation.org, arnd@arndb.de, andrew.donnellan@au1.ibm.com, fbarrat@linux.vnet.ibm.com, corbet@lwn.net, "Alastair D'Silva" Subject: [PATCH v2 7/7] ocxl: Document new OCXL IOCTLs Date: Wed, 18 Apr 2018 11:08:10 +1000 X-Mailer: git-send-email 2.14.3 In-Reply-To: <20180418010810.30937-1-alastair@au1.ibm.com> References: <20180417020950.21446-1-alastair@au1.ibm.com> <20180418010810.30937-1-alastair@au1.ibm.com> X-TM-AS-GCONF: 00 x-cbid: 18041801-0008-0000-0000-000004EC75A8 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 18041801-0009-0000-0000-00001E807C83 Message-Id: <20180418010810.30937-8-alastair@au1.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2018-04-17_13:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=1 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 impostorscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1709140000 definitions=main-1804180008 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: =?utf-8?q?1597957551491860164?= X-GMAIL-MSGID: =?utf-8?q?1598044368574554545?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: From: Alastair D'Silva Signed-off-by: Alastair D'Silva --- Documentation/accelerators/ocxl.rst | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/Documentation/accelerators/ocxl.rst b/Documentation/accelerators/ocxl.rst index 7904adcc07fd..3b8d3b99795c 100644 --- a/Documentation/accelerators/ocxl.rst +++ b/Documentation/accelerators/ocxl.rst @@ -157,6 +157,17 @@ OCXL_IOCTL_GET_METADATA: Obtains configuration information from the card, such at the size of MMIO areas, the AFU version, and the PASID for the current context. +OCXL_IOCTL_ENABLE_P9_WAIT: + + Allows the AFU to wake a userspace thread executing 'wait'. Returns + information to userspace to allow it to configure the AFU. Note that + this is only available on Power 9. + +OCXL_IOCTL_GET_FEATURES: + + Reports on which CPU features that affect OpenCAPI are usable from + userspace. + mmap ---- -- 2.14.3 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on archive.lwn.net X-Spam-Level: X-Spam-Status: No, score=-5.8 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham autolearn_force=no version=3.4.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by archive.lwn.net (Postfix) with ESMTP id A2BE57DE74 for ; Wed, 18 Apr 2018 01:13:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753599AbeDRBNT (ORCPT ); Tue, 17 Apr 2018 21:13:19 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:57124 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753328AbeDRBLJ (ORCPT ); Tue, 17 Apr 2018 21:11:09 -0400 Received: from pps.filterd (m0098420.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.22/8.16.0.22) with SMTP id w3I19OAd129091 for ; Tue, 17 Apr 2018 21:11:09 -0400 Received: from e06smtp12.uk.ibm.com (e06smtp12.uk.ibm.com [195.75.94.108]) by mx0b-001b2d01.pphosted.com with ESMTP id 2hds1xpdjq-1 (version=TLSv1.2 cipher=AES256-SHA256 bits=256 verify=NOT) for ; Tue, 17 Apr 2018 21:11:08 -0400 Received: from localhost by e06smtp12.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; Wed, 18 Apr 2018 02:11:03 +0100 Received: from d06av25.portsmouth.uk.ibm.com (d06av25.portsmouth.uk.ibm.com [9.149.105.61]) by b06cxnps3075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id w3I1B3FX16253308; Wed, 18 Apr 2018 01:11:03 GMT Received: from d06av25.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id F2C7911C050; Wed, 18 Apr 2018 02:02:58 +0100 (BST) Received: from d06av25.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 9F56211C04C; Wed, 18 Apr 2018 02:02:58 +0100 (BST) Received: from ozlabs.au.ibm.com (unknown [9.192.253.14]) by d06av25.portsmouth.uk.ibm.com (Postfix) with ESMTP; Wed, 18 Apr 2018 02:02:58 +0100 (BST) Received: from adsilva.ozlabs.ibm.com (haven.au.ibm.com [9.192.254.114]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.au.ibm.com (Postfix) with ESMTPSA id E0145A03B1; Wed, 18 Apr 2018 11:10:59 +1000 (AEST) From: "Alastair D'Silva" To: linuxppc-dev@lists.ozlabs.org Cc: linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, mikey@neuling.org, vaibhav@linux.vnet.ibm.com, aneesh.kumar@linux.vnet.ibm.com, malat@debian.org, felix@linux.vnet.ibm.com, pombredanne@nexb.com, sukadev@linux.vnet.ibm.com, npiggin@gmail.com, gregkh@linuxfoundation.org, arnd@arndb.de, andrew.donnellan@au1.ibm.com, fbarrat@linux.vnet.ibm.com, corbet@lwn.net, "Alastair D'Silva" Subject: [PATCH v2 7/7] ocxl: Document new OCXL IOCTLs Date: Wed, 18 Apr 2018 11:08:10 +1000 X-Mailer: git-send-email 2.14.3 In-Reply-To: <20180418010810.30937-1-alastair@au1.ibm.com> References: <20180417020950.21446-1-alastair@au1.ibm.com> <20180418010810.30937-1-alastair@au1.ibm.com> X-TM-AS-GCONF: 00 x-cbid: 18041801-0008-0000-0000-000004EC75A8 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 18041801-0009-0000-0000-00001E807C83 Message-Id: <20180418010810.30937-8-alastair@au1.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2018-04-17_13:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=1 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 impostorscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1709140000 definitions=main-1804180008 Sender: linux-doc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-doc@vger.kernel.org From: Alastair D'Silva Signed-off-by: Alastair D'Silva --- Documentation/accelerators/ocxl.rst | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/Documentation/accelerators/ocxl.rst b/Documentation/accelerators/ocxl.rst index 7904adcc07fd..3b8d3b99795c 100644 --- a/Documentation/accelerators/ocxl.rst +++ b/Documentation/accelerators/ocxl.rst @@ -157,6 +157,17 @@ OCXL_IOCTL_GET_METADATA: Obtains configuration information from the card, such at the size of MMIO areas, the AFU version, and the PASID for the current context. +OCXL_IOCTL_ENABLE_P9_WAIT: + + Allows the AFU to wake a userspace thread executing 'wait'. Returns + information to userspace to allow it to configure the AFU. Note that + this is only available on Power 9. + +OCXL_IOCTL_GET_FEATURES: + + Reports on which CPU features that affect OpenCAPI are usable from + userspace. + mmap ---- -- 2.14.3 -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html