From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AIpwx4/31bU4XFlyHexqInmzo5rkkFCCTuG4C5QRxtyxY6ltuQNcT/eH/7E4418l2xVzesCeAffP ARC-Seal: i=1; a=rsa-sha256; t=1523931075; cv=none; d=google.com; s=arc-20160816; b=erWf/7WIZSgNIV/1fXx+mdSjiDgbwb3C+7tmAoTFgvEU3MkxrtUQNA7jiNkuMB1Mjb F5I3KlLNzV1+wjiUjB2XIbpSzu9mcg1DOCzs9TZVqm/dMRx0jY7QyTSMpSg0be93/5Dj 1KMZhy5oVmX4QKofHkLGb0wTOg3MX+WJ1Nb9eCasJHyLNt1r9z+Su+jZwugxY3DiRsov 4bfB7nT/HaH9+Skk9bOysJ5Qo5FX41tzLIx9vs9x23XkIz3VbBH9Kk82B2nXbRv7yLe8 E3HQXFeJyBdK56TEshVXnj4ZE4pk/ZAkumUz3IEmKj6i6VxL3l56C5/AbJ+szzVBghFd dRow== 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=sIeNdRcq+29+phaKxlnIjHF4fAERR6YeDhd9jeIYnzU=; b=nbMHx2EzC8mxVNC7qSNMh9UHatGKggcAnJkg4YSXxpAa056Hyolv0Q5vnrUO88Brto 9ommVvjE7uHtotHUsmC1I0gSA71BjfUKhZtL6z8piFeoLJryZpmBBgfqVH5NC5yMIIyz rvsVJthYozfvwyvbpbs8HlGLIAsLmVG7K87y8Cb3O9HPtVdP9xUqPioN0ksbr7GJldK/ XNYOP3/3R3RAl8okct76f/XAbNBbyu2gj+rP50zSYSPUO1VppiW2rQUysPCNh2SFr1un c/jX/fnTvKnqSIka/gHrTjEgqduEZ6i5wnFbt+wLgBGbBybB3O0F4nwce2P2JYu107+t AvOw== 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 7/7] ocxl: Document new OCXL IOCTLs Date: Tue, 17 Apr 2018 12:09:50 +1000 X-Mailer: git-send-email 2.14.3 In-Reply-To: <20180417020950.21446-1-alastair@au1.ibm.com> References: <20180417020950.21446-1-alastair@au1.ibm.com> X-TM-AS-GCONF: 00 x-cbid: 18041702-0020-0000-0000-00000412A93D X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 18041702-0021-0000-0000-000042A6E625 Message-Id: <20180417020950.21446-8-alastair@au1.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2018-04-17_01:,, 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-1804170020 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: =?utf-8?q?1597957551491860164?= X-GMAIL-MSGID: =?utf-8?q?1597957551491860164?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: From: Alastair D'Silva Signed-off-by: Alastair D'Silva --- Documentation/accelerators/ocxl.rst | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/Documentation/accelerators/ocxl.rst b/Documentation/accelerators/ocxl.rst index ddcc58d01cfb..144595a80a1c 100644 --- a/Documentation/accelerators/ocxl.rst +++ b/Documentation/accelerators/ocxl.rst @@ -157,6 +157,16 @@ 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. + +OCXL_IOCTL_GET_PLATFORM: + + Notifies userspace as to the platform the kernel believes we are on, + which may differ from what userspace believes. Also reports on which CPU + features which 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 0414B7DE74 for ; Tue, 17 Apr 2018 02:11:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753197AbeDQCLV (ORCPT ); Mon, 16 Apr 2018 22:11:21 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:53550 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752981AbeDQCLO (ORCPT ); Mon, 16 Apr 2018 22:11:14 -0400 Received: from pps.filterd (m0098396.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.22/8.16.0.22) with SMTP id w3H2AOmx080178 for ; Mon, 16 Apr 2018 22:11:14 -0400 Received: from e06smtp15.uk.ibm.com (e06smtp15.uk.ibm.com [195.75.94.111]) by mx0a-001b2d01.pphosted.com with ESMTP id 2hd7q3gham-1 (version=TLSv1.2 cipher=AES256-SHA256 bits=256 verify=NOT) for ; Mon, 16 Apr 2018 22:11:14 -0400 Received: from localhost by e06smtp15.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; Tue, 17 Apr 2018 03:11:08 +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 w3H2B7ol4522260; Tue, 17 Apr 2018 02:11:07 GMT Received: from d06av25.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id D3FB611C058; Tue, 17 Apr 2018 03:03:04 +0100 (BST) Received: from d06av25.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 817E311C04C; Tue, 17 Apr 2018 03:03:04 +0100 (BST) Received: from ozlabs.au.ibm.com (unknown [9.192.253.14]) by d06av25.portsmouth.uk.ibm.com (Postfix) with ESMTP; Tue, 17 Apr 2018 03:03:04 +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 8BCDBA03B0; Tue, 17 Apr 2018 12:11:04 +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 7/7] ocxl: Document new OCXL IOCTLs Date: Tue, 17 Apr 2018 12:09:50 +1000 X-Mailer: git-send-email 2.14.3 In-Reply-To: <20180417020950.21446-1-alastair@au1.ibm.com> References: <20180417020950.21446-1-alastair@au1.ibm.com> X-TM-AS-GCONF: 00 x-cbid: 18041702-0020-0000-0000-00000412A93D X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 18041702-0021-0000-0000-000042A6E625 Message-Id: <20180417020950.21446-8-alastair@au1.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2018-04-17_01:,, 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-1804170020 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 | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/Documentation/accelerators/ocxl.rst b/Documentation/accelerators/ocxl.rst index ddcc58d01cfb..144595a80a1c 100644 --- a/Documentation/accelerators/ocxl.rst +++ b/Documentation/accelerators/ocxl.rst @@ -157,6 +157,16 @@ 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. + +OCXL_IOCTL_GET_PLATFORM: + + Notifies userspace as to the platform the kernel believes we are on, + which may differ from what userspace believes. Also reports on which CPU + features which 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