From patchwork Mon Sep 5 08:52:31 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Hildenbrand X-Patchwork-Id: 9313253 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 107DE6075E for ; Mon, 5 Sep 2016 09:16:52 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id F3FE2289E0 for ; Mon, 5 Sep 2016 09:16:51 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E7D46289E6; Mon, 5 Sep 2016 09:16:51 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 8300A289E0 for ; Mon, 5 Sep 2016 09:16:51 +0000 (UTC) Received: from localhost ([::1]:53203 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bgq1K-0000KU-Kc for patchwork-qemu-devel@patchwork.kernel.org; Mon, 05 Sep 2016 05:16:50 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:54650) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bgpeZ-0006QH-1A for qemu-devel@nongnu.org; Mon, 05 Sep 2016 04:53:26 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bgpeM-0008Q0-Jr for qemu-devel@nongnu.org; Mon, 05 Sep 2016 04:53:18 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:55962) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bgpeM-0008Pq-AT for qemu-devel@nongnu.org; Mon, 05 Sep 2016 04:53:06 -0400 Received: from pps.filterd (m0098393.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.17/8.16.0.17) with SMTP id u858qneW107003 for ; Mon, 5 Sep 2016 04:53:05 -0400 Received: from e06smtp05.uk.ibm.com (e06smtp05.uk.ibm.com [195.75.94.101]) by mx0a-001b2d01.pphosted.com with ESMTP id 257s4by5jd-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Mon, 05 Sep 2016 04:53:05 -0400 Received: from localhost by e06smtp05.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; Mon, 5 Sep 2016 09:52:55 +0100 X-IBM-Helo: d06dlp03.portsmouth.uk.ibm.com X-IBM-MailFrom: dahi@linux.vnet.ibm.com X-IBM-RcptTo: qemu-devel@nongnu.org Received: from b06cxnps4074.portsmouth.uk.ibm.com (d06relay11.portsmouth.uk.ibm.com [9.149.109.196]) by d06dlp03.portsmouth.uk.ibm.com (Postfix) with ESMTP id 595521B08069 for ; Mon, 5 Sep 2016 09:54:39 +0100 (BST) Received: from d06av07.portsmouth.uk.ibm.com (d06av07.portsmouth.uk.ibm.com [9.149.37.248]) by b06cxnps4074.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id u858qsMW13631818 for ; Mon, 5 Sep 2016 08:52:54 GMT Received: from d06av07.portsmouth.uk.ibm.com (localhost [127.0.0.1]) by d06av07.portsmouth.uk.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id u858qrAj031721 for ; Mon, 5 Sep 2016 04:52:54 -0400 Received: from tuxmaker.boeblingen.de.ibm.com (tuxmaker.boeblingen.de.ibm.com [9.152.85.9]) by d06av07.portsmouth.uk.ibm.com (8.14.4/8.14.4/NCO v10.0 AVin) with ESMTP id u858qlQF031408; Mon, 5 Sep 2016 04:52:53 -0400 From: David Hildenbrand To: qemu-devel@nongnu.org Date: Mon, 5 Sep 2016 10:52:31 +0200 X-Mailer: git-send-email 2.8.4 In-Reply-To: <20160905085244.99980-1-dahi@linux.vnet.ibm.com> References: <20160905085244.99980-1-dahi@linux.vnet.ibm.com> X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 16090508-0020-0000-0000-000001F3E602 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 16090508-0021-0000-0000-00001D599BBB Message-Id: <20160905085244.99980-18-dahi@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2016-09-05_05:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=1 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1604210000 definitions=main-1609050135 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] X-Received-From: 148.163.156.1 Subject: [Qemu-devel] [Patch v4 17/30] s390x/sclp: propagate the mha via sclp X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: ehabkost@redhat.com, borntraeger@de.ibm.com, fiuczy@linux.vnet.ibm.com, cornelia.huck@de.ibm.com, imammedo@redhat.com, jdenemar@redhat.com, mimu@linux.vnet.ibm.com Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP The mha is provided in the CPU model, so get any CPU and extract the value. Acked-by: Cornelia Huck Signed-off-by: David Hildenbrand --- hw/s390x/sclp.c | 1 + include/hw/s390x/sclp.h | 3 ++- target-s390x/cpu_models.c | 14 ++++++++++++++ target-s390x/cpu_models.h | 1 + 4 files changed, 18 insertions(+), 1 deletion(-) diff --git a/hw/s390x/sclp.c b/hw/s390x/sclp.c index 52f8bb9..5ffcf51 100644 --- a/hw/s390x/sclp.c +++ b/hw/s390x/sclp.c @@ -105,6 +105,7 @@ static void read_SCP_info(SCLPDevice *sclp, SCCB *sccb) read_info->facilities |= cpu_to_be64(SCLP_FC_ASSIGN_ATTACH_READ_STOR); } + read_info->mha_pow = s390_get_mha_pow(); rnsize = 1 << (sclp->increment_size - 20); if (rnsize <= 128) { diff --git a/include/hw/s390x/sclp.h b/include/hw/s390x/sclp.h index 664be9b..dab3c0f 100644 --- a/include/hw/s390x/sclp.h +++ b/include/hw/s390x/sclp.h @@ -124,7 +124,8 @@ typedef struct ReadInfo { uint8_t _reserved0[76 - 56]; /* 56-75 */ uint32_t ibc_val; uint8_t conf_char[96 - 80]; /* 80-95 */ - uint8_t _reserved4[100 - 96]; /* 96-99 */ + uint8_t _reserved4[99 - 96]; /* 96-98 */ + uint8_t mha_pow; uint32_t rnsize2; uint64_t rnmax2; uint8_t _reserved6[116 - 112]; /* 112-115 */ diff --git a/target-s390x/cpu_models.c b/target-s390x/cpu_models.c index 4331d74..aae7216 100644 --- a/target-s390x/cpu_models.c +++ b/target-s390x/cpu_models.c @@ -74,6 +74,20 @@ static S390CPUDef s390_cpu_defs[] = { CPUDEF_INIT(0x2965, 13, 2, 47, 0x08000000U, "z13s", "IBM z13s GA1"), }; +uint8_t s390_get_mha_pow(void) +{ + static S390CPU *cpu; + + if (!cpu) { + cpu = S390_CPU(qemu_get_cpu(0)); + } + + if (!cpu || !cpu->model) { + return 0; + } + return cpu->model->def->mha_pow; +} + uint32_t s390_get_ibc_val(void) { uint16_t unblocked_ibc, lowest_ibc; diff --git a/target-s390x/cpu_models.h b/target-s390x/cpu_models.h index 5e870ec..d378919 100644 --- a/target-s390x/cpu_models.h +++ b/target-s390x/cpu_models.h @@ -51,6 +51,7 @@ typedef struct S390CPUModel { #define S390_GEN_Z10 0xa +uint8_t s390_get_mha_pow(void); uint32_t s390_get_ibc_val(void); static inline uint16_t s390_ibc_from_cpu_model(const S390CPUModel *model) {