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Thu, 30 Apr 2020 05:45:50 -0400 Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-488-13skX_mTMBKHuzUy8mjv-A-1; Thu, 30 Apr 2020 05:45:47 -0400 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 35654835B41; Thu, 30 Apr 2020 09:45:46 +0000 (UTC) Received: from localhost (ovpn-112-226.ams2.redhat.com [10.36.112.226]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 052C026552; Thu, 30 Apr 2020 09:45:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1588239949; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=BS1OTMj3cM/dQU9uL1hNwAoaKVh1h7yVeS/oW2+J0wk=; b=hhC+qGuDJAkuuGnLiV470UDTS0YngPi8RjEgOD4DEQAq24E5zoH2etx+pIsjfYlm5Zo5JR Rer1XDk6vEnYazgGKAKS1EosX07W2WgRfc4oKaBcLVJc8z6SCPwL+pe3aaTNlKir8HbNVs vRfU1UgL2hXM/r5oAFCJl89rVAUwQCg= X-MC-Unique: 13skX_mTMBKHuzUy8mjv-A-1 From: Cornelia Huck To: Peter Maydell Subject: [PULL 12/20] s390x: protvirt: Move diag 308 data over SIDA Date: Thu, 30 Apr 2020 11:44:37 +0200 Message-Id: <20200430094445.25943-13-cohuck@redhat.com> In-Reply-To: <20200430094445.25943-1-cohuck@redhat.com> References: <20200430094445.25943-1-cohuck@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=205.139.110.120; envelope-from=cohuck@redhat.com; helo=us-smtp-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/04/30 01:24:05 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] X-Received-From: 205.139.110.120 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: Janosch Frank , David Hildenbrand , Cornelia Huck , qemu-devel@nongnu.org, Christian Borntraeger , qemu-s390x@nongnu.org, Claudio Imbrenda Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" From: Janosch Frank For protected guests the IPIB is written/read to/from the SIDA, so we need those accesses to go through s390_cpu_pv_mem_read/write(). Signed-off-by: Janosch Frank Reviewed-by: David Hildenbrand Reviewed-by: Christian Borntraeger Reviewed-by: Claudio Imbrenda Reviewed-by: Cornelia Huck Message-Id: <20200319131921.2367-12-frankja@linux.ibm.com> Signed-off-by: Cornelia Huck --- target/s390x/diag.c | 25 ++++++++++++++++++++----- 1 file changed, 20 insertions(+), 5 deletions(-) diff --git a/target/s390x/diag.c b/target/s390x/diag.c index b2cbefb8cfe4..1a4842956402 100644 --- a/target/s390x/diag.c +++ b/target/s390x/diag.c @@ -75,6 +75,7 @@ void handle_diag_308(CPUS390XState *env, uint64_t r1, uin= t64_t r3, uintptr_t ra) { bool valid; CPUState *cs =3D env_cpu(env); + S390CPU *cpu =3D S390_CPU(cs); uint64_t addr =3D env->regs[r1]; uint64_t subcode =3D env->regs[r3]; IplParameterBlock *iplb; @@ -111,13 +112,22 @@ void handle_diag_308(CPUS390XState *env, uint64_t r1,= uint64_t r3, uintptr_t ra) return; } iplb =3D g_new0(IplParameterBlock, 1); - cpu_physical_memory_read(addr, iplb, sizeof(iplb->len)); + if (!s390_is_pv()) { + cpu_physical_memory_read(addr, iplb, sizeof(iplb->len)); + } else { + s390_cpu_pv_mem_read(cpu, 0, iplb, sizeof(iplb->len)); + } + if (!iplb_valid_len(iplb)) { env->regs[r1 + 1] =3D DIAG_308_RC_INVALID; goto out; } =20 - cpu_physical_memory_read(addr, iplb, be32_to_cpu(iplb->len)); + if (!s390_is_pv()) { + cpu_physical_memory_read(addr, iplb, be32_to_cpu(iplb->len)); + } else { + s390_cpu_pv_mem_read(cpu, 0, iplb, be32_to_cpu(iplb->len)); + } =20 valid =3D subcode =3D=3D DIAG308_PV_SET ? iplb_valid_pv(iplb) : ip= lb_valid(iplb); if (!valid) { @@ -140,12 +150,17 @@ out: } else { iplb =3D s390_ipl_get_iplb(); } - if (iplb) { + if (!iplb) { + env->regs[r1 + 1] =3D DIAG_308_RC_NO_CONF; + return; + } + + if (!s390_is_pv()) { cpu_physical_memory_write(addr, iplb, be32_to_cpu(iplb->len)); - env->regs[r1 + 1] =3D DIAG_308_RC_OK; } else { - env->regs[r1 + 1] =3D DIAG_308_RC_NO_CONF; + s390_cpu_pv_mem_write(cpu, 0, iplb, be32_to_cpu(iplb->len)); } + env->regs[r1 + 1] =3D DIAG_308_RC_OK; return; case DIAG308_PV_START: iplb =3D s390_ipl_get_iplb_pv(); --=20 2.21.1