From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 24F45C3A5A0 for ; Tue, 20 Aug 2019 02:27:10 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (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 A1E5D218BA for ; Tue, 20 Aug 2019 02:27:09 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A1E5D218BA Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.ibm.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from bilbo.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 46CF6z37SLzDqVq for ; Tue, 20 Aug 2019 12:27:07 +1000 (AEST) Authentication-Results: lists.ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=linux.ibm.com (client-ip=148.163.158.5; helo=mx0a-001b2d01.pphosted.com; envelope-from=bauerman@linux.ibm.com; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=linux.ibm.com Received: from mx0a-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 46CDr36q7WzDqkW for ; Tue, 20 Aug 2019 12:14:11 +1000 (AEST) Received: from pps.filterd (m0098420.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x7K2D5Ux081073 for ; Mon, 19 Aug 2019 22:14:09 -0400 Received: from e32.co.us.ibm.com (e32.co.us.ibm.com [32.97.110.150]) by mx0b-001b2d01.pphosted.com with ESMTP id 2ug2uu1ted-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Mon, 19 Aug 2019 22:14:08 -0400 Received: from localhost by e32.co.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Tue, 20 Aug 2019 03:14:04 +0100 Received: from b03ledav006.gho.boulder.ibm.com (b03ledav006.gho.boulder.ibm.com [9.17.130.237]) by b03cxnp07029.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x7K2E3si43122980 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 20 Aug 2019 02:14:03 GMT Received: from b03ledav006.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 10A7FC605B; Tue, 20 Aug 2019 02:14:03 +0000 (GMT) Received: from b03ledav006.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 1F2D0C6055; Tue, 20 Aug 2019 02:14:00 +0000 (GMT) Received: from morokweng.localdomain.com (unknown [9.85.220.248]) by b03ledav006.gho.boulder.ibm.com (Postfix) with ESMTP; Tue, 20 Aug 2019 02:13:59 +0000 (GMT) From: Thiago Jung Bauermann To: linuxppc-dev@lists.ozlabs.org Subject: [PATCH v4 05/16] powerpc/pseries/svm: Add helpers for UV_SHARE_PAGE and UV_UNSHARE_PAGE Date: Mon, 19 Aug 2019 23:13:15 -0300 X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190820021326.6884-1-bauerman@linux.ibm.com> References: <20190820021326.6884-1-bauerman@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 x-cbid: 19082002-0004-0000-0000-000015370FF1 X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00011621; HX=3.00000242; KW=3.00000007; PH=3.00000004; SC=3.00000287; SDB=6.01249321; UDB=6.00659504; IPR=6.01030858; MB=3.00028240; MTD=3.00000008; XFM=3.00000015; UTC=2019-08-20 02:14:07 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19082002-0005-0000-0000-00008CF1A29A Message-Id: <20190820021326.6884-6-bauerman@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-08-20_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 mlxscore=0 impostorscore=0 mlxlogscore=663 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1906280000 definitions=main-1908200018 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Anshuman Khandual , Alexey Kardashevskiy , Mike Anderson , Ram Pai , linux-kernel@vger.kernel.org, Claudio Carvalho , Paul Mackerras , Christoph Hellwig , Thiago Jung Bauermann Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" From: Ram Pai These functions are used when the guest wants to grant the hypervisor access to certain pages. Signed-off-by: Ram Pai Signed-off-by: Thiago Jung Bauermann --- arch/powerpc/include/asm/ultravisor-api.h | 2 ++ arch/powerpc/include/asm/ultravisor.h | 24 +++++++++++++++++++++++ 2 files changed, 26 insertions(+) diff --git a/arch/powerpc/include/asm/ultravisor-api.h b/arch/powerpc/include/asm/ultravisor-api.h index d3503d1f447e..142b0576b89f 100644 --- a/arch/powerpc/include/asm/ultravisor-api.h +++ b/arch/powerpc/include/asm/ultravisor-api.h @@ -22,5 +22,7 @@ /* opcodes */ #define UV_ESM 0xF110 +#define UV_SHARE_PAGE 0xF130 +#define UV_UNSHARE_PAGE 0xF134 #endif /* _ASM_POWERPC_ULTRAVISOR_API_H */ diff --git a/arch/powerpc/include/asm/ultravisor.h b/arch/powerpc/include/asm/ultravisor.h new file mode 100644 index 000000000000..a930aec8c1e3 --- /dev/null +++ b/arch/powerpc/include/asm/ultravisor.h @@ -0,0 +1,24 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Ultravisor definitions + * + * Copyright 2019, IBM Corporation. + * + */ +#ifndef _ASM_POWERPC_ULTRAVISOR_H +#define _ASM_POWERPC_ULTRAVISOR_H + +#include +#include + +static inline int uv_share_page(u64 pfn, u64 npages) +{ + return ucall_norets(UV_SHARE_PAGE, pfn, npages); +} + +static inline int uv_unshare_page(u64 pfn, u64 npages) +{ + return ucall_norets(UV_UNSHARE_PAGE, pfn, npages); +} + +#endif /* _ASM_POWERPC_ULTRAVISOR_H */