From patchwork Tue Sep 22 10:31:29 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Hildenbrand X-Patchwork-Id: 273107 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=-9.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS autolearn=ham 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 75A9CC2D0E2 for ; Tue, 22 Sep 2020 10:39:57 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (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 EC1EB206FB for ; Tue, 22 Sep 2020 10:39:56 +0000 (UTC) Authentication-Results: mail.kernel.org; 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Tue, 22 Sep 2020 10:31:48 +0000 (UTC) Received: from t480s.redhat.com (ovpn-113-20.ams2.redhat.com [10.36.113.20]) by smtp.corp.redhat.com (Postfix) with ESMTP id 75B6019C4F; Tue, 22 Sep 2020 10:31:47 +0000 (UTC) From: David Hildenbrand To: qemu-devel@nongnu.org Subject: [PATCH v1 8/8] s390x/tcg: Implement CIPHER MESSAGE WITH AUTHENTICATION (KMA) Date: Tue, 22 Sep 2020 12:31:29 +0200 Message-Id: <20200922103129.12824-9-david@redhat.com> In-Reply-To: <20200922103129.12824-1-david@redhat.com> References: <20200922103129.12824-1-david@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=david@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=63.128.21.124; envelope-from=david@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/09/22 02:07:04 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -35 X-Spam_score: -3.6 X-Spam_bar: --- X-Spam_report: (-3.6 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1.455, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-s390x@nongnu.org, Cornelia Huck , Richard Henderson , Thomas Huth , David Hildenbrand Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" As with the other crypto functions, we only implement subcode 0 (query) and no actual encryption/decryption. We now implement S390_FEAT_MSA_EXT_8. Signed-off-by: David Hildenbrand Reviewed-by: Richard Henderson --- target/s390x/gen-features.c | 1 + target/s390x/insn-data.def | 1 + target/s390x/translate.c | 7 +++++++ 3 files changed, 9 insertions(+) diff --git a/target/s390x/gen-features.c b/target/s390x/gen-features.c index 1736b85ab0..8de18f7f41 100644 --- a/target/s390x/gen-features.c +++ b/target/s390x/gen-features.c @@ -717,6 +717,7 @@ static uint16_t qemu_MAX[] = { /* features introduced after the z13 */ S390_FEAT_INSTRUCTION_EXEC_PROT, S390_FEAT_MISC_INSTRUCTION_EXT, + S390_FEAT_MSA_EXT_8, }; /****** END FEATURE DEFS ******/ diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def index bcd424e9ae..1ffdc20d59 100644 --- a/target/s390x/insn-data.def +++ b/target/s390x/insn-data.def @@ -979,6 +979,7 @@ D(0xb92d, KMCTR, RRF_b, MSA4, 0, 0, 0, 0, msa, 0, S390_FEAT_TYPE_KMCTR) D(0xb92e, KM, RRE, MSA, 0, 0, 0, 0, msa, 0, S390_FEAT_TYPE_KM) D(0xb92f, KMC, RRE, MSA, 0, 0, 0, 0, msa, 0, S390_FEAT_TYPE_KMC) + D(0xb929, KMA, RRF_b, MSA8, 0, 0, 0, 0, msa, 0, S390_FEAT_TYPE_KMA) D(0xb93c, PPNO, RRE, MSA5, 0, 0, 0, 0, msa, 0, S390_FEAT_TYPE_PPNO) D(0xb93e, KIMD, RRE, MSA, 0, 0, 0, 0, msa, 0, S390_FEAT_TYPE_KIMD) D(0xb93f, KLMD, RRE, MSA, 0, 0, 0, 0, msa, 0, S390_FEAT_TYPE_KLMD) diff --git a/target/s390x/translate.c b/target/s390x/translate.c index c90cb37aae..df549e59e9 100644 --- a/target/s390x/translate.c +++ b/target/s390x/translate.c @@ -2715,6 +2715,12 @@ static DisasJumpType op_msa(DisasContext *s, DisasOps *o) TCGv_i32 t_r1, t_r2, t_r3, type; switch (s->insn->data) { + case S390_FEAT_TYPE_KMA: + if (r3 == r1 || r3 == r2) { + gen_program_exception(s, PGM_SPECIFICATION); + return DISAS_NORETURN; + } + /* FALL THROUGH */ case S390_FEAT_TYPE_KMCTR: if (r3 & 1 || !r3) { gen_program_exception(s, PGM_SPECIFICATION); @@ -6130,6 +6136,7 @@ enum DisasInsnEnum { #define FAC_MSA3 S390_FEAT_MSA_EXT_3 /* msa-extension-3 facility */ #define FAC_MSA4 S390_FEAT_MSA_EXT_4 /* msa-extension-4 facility */ #define FAC_MSA5 S390_FEAT_MSA_EXT_5 /* msa-extension-5 facility */ +#define FAC_MSA8 S390_FEAT_MSA_EXT_8 /* msa-extension-8 facility */ #define FAC_ECT S390_FEAT_EXTRACT_CPU_TIME #define FAC_PCI S390_FEAT_ZPCI /* z/PCI facility */ #define FAC_AIS S390_FEAT_ADAPTER_INT_SUPPRESSION