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Fix subcode/pbt To: Christian Borntraeger , qemu-devel@nongnu.org References: <20200313095232.2392-1-frankja@linux.ibm.com> From: Janosch Frank Autocrypt: addr=frankja@linux.ibm.com; prefer-encrypt=mutual; keydata= mQINBFubpD4BEADX0uhkRhkj2AVn7kI4IuPY3A8xKat0ihuPDXbynUC77mNox7yvK3X5QBO6 qLqYr+qrG3buymJJRD9xkp4mqgasHdB5WR9MhXWKH08EvtvAMkEJLnqxgbqf8td3pCQ2cEpv 15mH49iKSmlTcJ+PvJpGZcq/jE42u9/0YFHhozm8GfQdb9SOI/wBSsOqcXcLTUeAvbdqSBZe zuMRBivJQQI1esD9HuADmxdE7c4AeMlap9MvxvUtWk4ZJ/1Z3swMVCGzZb2Xg/9jZpLsyQzb lDbbTlEeyBACeED7DYLZI3d0SFKeJZ1SUyMmSOcr9zeSh4S4h4w8xgDDGmeDVygBQZa1HaoL Esb8Y4avOYIgYDhgkCh0nol7XQ5i/yKLtnNThubAcxNyryw1xSstnKlxPRoxtqTsxMAiSekk 0m3WJwvwd1s878HrQNK0orWd8BzzlSswzjNfQYLF466JOjHPWFOok9pzRs+ucrs6MUwDJj0S cITWU9Rxb04XyigY4XmZ8dywaxwi2ZVTEg+MD+sPmRrTw+5F+sU83cUstuymF3w1GmyofgsU Z+/ldjToHnq21MNa1wx0lCEipCCyE/8K9B9bg9pUwy5lfx7yORP3JuAUfCYb8DVSHWBPHKNj HTOLb2g2UT65AjZEQE95U2AY9iYm5usMqaWD39pAHfhC09/7NQARAQABtCVKYW5vc2NoIEZy YW5rIDxmcmFua2phQGxpbnV4LmlibS5jb20+iQI3BBMBCAAhBQJbm6Q+AhsjBQsJCAcCBhUI CQoLAgQWAgMBAh4BAheAAAoJEONU5rjiOLn4p9gQALjkdj5euJVI2nNT3/IAxAhQSmRhPEt0 AmnCYnuTcHRWPujNr5kqgtyER9+EMQ0ZkX44JU2q7OWxTdSNSAN/5Z7qmOR9JySvDOf4d3mS bMB5zxL9d8SbnSs1uW96H9ZBTlTQnmLfsiM9TetAjSrR8nUmjGhe2YUhJLR1v1LguME+YseT eXnLzIzqqpu311/eYiiIGcmaOjPCE+vFjcXL5oLnGUE73qSYiujwhfPCCUK0850o1fUAYq5p CNBCoKT4OddZR+0itKc/cT6NwEDwdokeg0+rAhxb4Rv5oFO70lziBplEjOxu3dqgIKbHbjza EXTb+mr7VI9O4tTdqrwJo2q9zLqqOfDBi7NDvZFLzaCewhbdEpDYVu6/WxprAY94hY3F4trT rQMHJKQENtF6ZTQc9fcT5I3gAmP+OEvDE5hcTALpWm6Z6SzxO7gEYCnF+qGXqp8sJVrweMub UscyLqHoqdZC2UG4LQ1OJ97nzDpIRe0g6oJ9ZIYHKmfw5jjwH6rASTld5MFWajWdNsqK15k/ RZnHAGICKVIBOBsq26m4EsBlfCdt3b/6emuBjUXR1pyjHMz2awWzCq6/6OWs5eANZ0sdosNq dq2v0ULYTazJz2rlCXV89qRa7ukkNwdBSZNEwsD4eEMicj1LSrqWDZMAALw50L4jxaMD7lPL jJbauQINBFubpD4BEADAcUTRqXF/aY53OSH7IwIK9lFKxIm0IoFkOEh7LMfp7FGzaP7ANrZd cIzhZi38xyOkcaFY+npGEWvko7rlIAn0JpBO4x3hfhmhBD/WSY8LQIFQNNjEm3vzrMo7b9Jb JAqQxfbURY3Dql3GUzeWTG9uaJ00u+EEPlY8zcVShDltIl5PLih20e8xgTnNzx5c110lQSu0 iZv2lAE6DM+2bJQTsMSYiwKlwTuv9LI9Chnoo6+tsN55NqyMxYqJgElk3VzlTXSr3+rtSCwf tq2cinETbzxc1XuhIX6pu/aCGnNfuEkM34b7G1D6CPzDMqokNFbyoO6DQ1+fW6c5gctXg/lZ 602iEl4C4rgcr3+EpfoPUWzKeM8JXv5Kpq4YDxhvbitr8Dm8gr38+UKFZKlWLlwhQ56r/zAU v6LIsm11GmFs2/cmgD1bqBTNHHcTWwWtRTLgmnqJbVisMJuYJt4KNPqphTWsPY8SEtbufIlY HXOJ2lqUzOReTrie2u0qcSvGAbSfec9apTFl2Xko/ddqPcZMpKhBiXmY8tJzSPk3+G4tqur4 6TYAm5ouitJsgAR61Cu7s+PNuq/pTLDhK+6/Njmc94NGBcRA4qTuysEGE79vYWP2oIAU4Fv6 gqaWHZ4MEI2XTqH8wiwzPdCQPYsSE0fXWiYu7ObeErT6iLSTZGx4rQARAQABiQIfBBgBCAAJ BQJbm6Q+AhsMAAoJEONU5rjiOLn4DDEP/RuyckW65SZcPG4cMfNgWxZF8rVjeVl/9PBfy01K 8R0hajU40bWtXSMiby7j0/dMjz99jN6L+AJHJvrLz4qYRzn2Ys843W+RfXj62Zde4YNBE5SL jJweRCbMWKaJLj6499fctxTyeb9+AMLQS4yRSwHuAZLmAb5AyCW1gBcTWZb8ON5BmWnRqeGm IgC1EvCnHy++aBnHTn0m+zV89BhTLTUal35tcjUFwluBY39R2ux/HNlBO1GY3Z+WYXhBvq7q katThLjaQSmnOrMhzqYmdShP1leFTVbzXUUIYv/GbynO/YrL2gaQpaP1bEUEi8lUAfXJbEWG dnHFkciryi092E8/9j89DJg4mmZqOau7TtUxjRMlBcIliXkzSLUk+QvD4LK1kWievJse4mte FBdkWHfP4BH/+8DxapRcG1UAheSnSRQ5LiO50annOB7oXF+vgKIaie2TBfZxQNGAs3RQ+bga DchCqFm5adiSP5+OT4NjkKUeGpBe/aRyQSle/RropTgCi85pje/juYEn2P9UAgkfBJrOHvQ9 Z+2Sva8FRd61NJLkCJ4LFumRn9wQlX2icFbi8UDV3do0hXJRRYTWCxrHscMhkrFWLhYiPF4i phX7UNdOWBQ90qpHyAxHmDazdo27gEjfvsgYMdveKknEOTEb5phwxWgg7BcIDoJf9UMC Date: Fri, 13 Mar 2020 15:44:43 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.2.2 MIME-Version: 1.0 In-Reply-To: Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="a3qXAhlaekCVuHkIaQ2zRK5Uiu68H1dso" X-TM-AS-GCONF: 00 x-cbid: 20031314-0020-0000-0000-000003B3D52A X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 20031314-0021-0000-0000-0000220C2DD4 Message-Id: X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138, 18.0.572 definitions=2020-03-13_05:2020-03-12, 2020-03-13 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 bulkscore=0 adultscore=0 impostorscore=0 priorityscore=1501 phishscore=0 malwarescore=0 mlxlogscore=999 lowpriorityscore=0 suspectscore=0 spamscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2003020000 definitions=main-2003130077 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] X-Received-From: 148.163.156.1 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, cohuck@redhat.com, david@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --a3qXAhlaekCVuHkIaQ2zRK5Uiu68H1dso Content-Type: multipart/mixed; boundary="1oWlcfC4fcoBjbvtIpHfkPRrx18LyZ2tU" --1oWlcfC4fcoBjbvtIpHfkPRrx18LyZ2tU Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable On 3/13/20 3:30 PM, Christian Borntraeger wrote: >=20 >=20 > On 13.03.20 10:52, Janosch Frank wrote: >> Signed-off-by: Janosch Frank >=20 > looks sane. You will merge this? Yes, just did. >=20 >> --- >> hw/s390x/ipl.h | 11 +++++++---- >> target/s390x/diag.c | 2 +- >> 2 files changed, 8 insertions(+), 5 deletions(-) >> >> diff --git a/hw/s390x/ipl.h b/hw/s390x/ipl.h >> index 95e3183c9cccf8b6..f799f7cfcf4763b1 100644 >> --- a/hw/s390x/ipl.h >> +++ b/hw/s390x/ipl.h >> @@ -261,15 +261,18 @@ static inline bool ipl_valid_pv_header(IplParame= terBlock *iplb) >> return true; >> } >> =20 >> -static inline bool iplb_valid(IplParameterBlock *iplb) >> +static inline bool iplb_valid(IplParameterBlock *iplb, uint64_t subco= de) >> { >> switch (iplb->pbt) { >> case S390_IPL_TYPE_FCP: >> - return be32_to_cpu(iplb->len) >=3D S390_IPLB_MIN_FCP_LEN; >> + return (subcode =3D=3D DIAG308_SET && >> + be32_to_cpu(iplb->len) >=3D S390_IPLB_MIN_FCP_LEN); >> case S390_IPL_TYPE_CCW: >> - return be32_to_cpu(iplb->len) >=3D S390_IPLB_MIN_CCW_LEN; >> + return (subcode =3D=3D DIAG308_SET && >> + be32_to_cpu(iplb->len) >=3D S390_IPLB_MIN_CCW_LEN); >> case S390_IPL_TYPE_PV: >> - if (be32_to_cpu(iplb->len) < S390_IPLB_MIN_PV_LEN) { >> + if (subcode !=3D DIAG308_PV_SET || >> + be32_to_cpu(iplb->len) < S390_IPLB_MIN_PV_LEN) { >> return false; >> } >> if (!ipl_valid_pv_header(iplb)) { >> diff --git a/target/s390x/diag.c b/target/s390x/diag.c >> index b1ca81633b83bbdc..d4f33db5c23c818d 100644 >> --- a/target/s390x/diag.c >> +++ b/target/s390x/diag.c >> @@ -118,7 +118,7 @@ void handle_diag_308(CPUS390XState *env, uint64_t = r1, uint64_t r3, uintptr_t ra) >> =20 >> cpu_physical_memory_read(addr, iplb, be32_to_cpu(iplb->len));= >> =20 >> - if (!iplb_valid(iplb)) { >> + if (!iplb_valid(iplb, subcode)) { >> env->regs[r1 + 1] =3D DIAG_308_RC_INVALID; >> goto out; >> } >> >=20 >=20 --1oWlcfC4fcoBjbvtIpHfkPRrx18LyZ2tU-- --a3qXAhlaekCVuHkIaQ2zRK5Uiu68H1dso Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEEwGNS88vfc9+v45Yq41TmuOI4ufgFAl5rnFwACgkQ41TmuOI4 ufiAHBAArlxkByd1vlK4bHRHkm6KE51XIIh5arhTwi4m9s3ir4cSVUHfWzsY4LIn 5YIxvs1TDtdp00AOetbcxmX8Wgg458JztnADlLogt+rv7kJiWuVTSdEXRJm7aqyM DX+38/ucmz1IZ/c5wCuC0rkCmi0xjf/o3X/lggld2caQKsUSfZviW54xyuSb9Gz+ N+/p8Igoy/ptDytysn8RUwdTa58LHaNWOkP5mDCP8LF+Eqdrw96Bc055WPr3mu2s InsYr2e898wuMmV8pUqTY6GnFgS7tgs1w18bDm2fLSO/KHeZXLN356p1+34hUrmb rtaILAKA1bGYfaYBXVlpCJbeBITr2dS+yBEPL3SHOLXeZ05etYWkJnj3+4WkCQ/r WjXDGDzKeOaQqE/vv1FiaZ7PJtiO8bjkVH5XeCaAeZ3ARxjvMkJJ2CCtZ8oQ2Pmi 9HfozMIruvdiy04mriIANy0t37m5GJXf/K8NJL6cNR2ubH8b4oE8d0JT184xvC+y BHm85EOCzctIMIf7eVBulY+guPNHIi2vSLgw0eLXHHPtfd4s4aCC5FFmkdfX2RlH o6opMFAiYNB6/u/USDvjkOe7UtpmjxlpS6+etmH6lBltpy3Xu/+5OVsO0B8C2JO0 BN5iTzveR5weWk1WLRrQ9ZeaevgHANEhFubm3yfDZcw6yBczbxQ= =SOWs -----END PGP SIGNATURE----- --a3qXAhlaekCVuHkIaQ2zRK5Uiu68H1dso--