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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Thu, 25 Jul 2019 16:08:41 +0100 Received: from b01ledav004.gho.pok.ibm.com (b01ledav004.gho.pok.ibm.com [9.57.199.109]) by b01cxnp23033.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x6PF8eIh36700478 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 25 Jul 2019 15:08:40 GMT Received: from b01ledav004.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id A0DEC112066; Thu, 25 Jul 2019 15:08:40 +0000 (GMT) Received: from b01ledav004.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 88E0D112061; Thu, 25 Jul 2019 15:08:40 +0000 (GMT) Received: from sbct-3.pok.ibm.com (unknown [9.47.158.153]) by b01ledav004.gho.pok.ibm.com (Postfix) with ESMTP; Thu, 25 Jul 2019 15:08:40 +0000 (GMT) From: Stefan Berger To: qemu-devel@nongnu.org Date: Thu, 25 Jul 2019 11:08:31 -0400 X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190725150832.1180275-1-stefanb@linux.vnet.ibm.com> References: <20190725150832.1180275-1-stefanb@linux.vnet.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 x-cbid: 19072515-0072-0000-0000-0000044D66F6 X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00011491; HX=3.00000242; KW=3.00000007; PH=3.00000004; SC=3.00000287; SDB=6.01237278; UDB=6.00652191; IPR=6.01018652; MB=3.00027886; MTD=3.00000008; XFM=3.00000015; UTC=2019-07-25 15:08:42 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19072515-0073-0000-0000-00004CBDC6E3 Message-Id: <20190725150832.1180275-2-stefanb@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-07-25_06:, , 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=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1906280000 definitions=main-1907250177 Content-Transfer-Encoding: quoted-printable X-MIME-Autoconverted: from 8bit to quoted-printable by mx0b-001b2d01.pphosted.com id x6PF8BhE076784 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] X-Received-From: 148.163.158.5 Subject: [Qemu-devel] [PATCH v2 1/2] tpm: Exit in reset when backend indicates failure 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: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , Stefan Berger , marcandre.lureau@gmail.com, Stefan Berger Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" Exit() in the frontend reset function when the backend indicates intialization failure. Signed-off-by: Stefan Berger Reviewed-by: Marc-Andr=C3=A9 Lureau --- hw/tpm/tpm_crb.c | 4 +++- hw/tpm/tpm_tis.c | 4 +++- 2 files changed, 6 insertions(+), 2 deletions(-) diff --git a/hw/tpm/tpm_crb.c b/hw/tpm/tpm_crb.c index 5e2db9e0c4..db0e3e7c67 100644 --- a/hw/tpm/tpm_crb.c +++ b/hw/tpm/tpm_crb.c @@ -273,7 +273,9 @@ static void tpm_crb_reset(void *dev) s->be_buffer_size =3D MIN(tpm_backend_get_buffer_size(s->tpmbe), CRB_CTRL_CMD_SIZE); =20 - tpm_backend_startup_tpm(s->tpmbe, s->be_buffer_size); + if (tpm_backend_startup_tpm(s->tpmbe, s->be_buffer_size) < 0) { + exit(1); + } } =20 static void tpm_crb_realize(DeviceState *dev, Error **errp) diff --git a/hw/tpm/tpm_tis.c b/hw/tpm/tpm_tis.c index 174618ac30..d6b3212890 100644 --- a/hw/tpm/tpm_tis.c +++ b/hw/tpm/tpm_tis.c @@ -910,7 +910,9 @@ static void tpm_tis_reset(DeviceState *dev) s->rw_offset =3D 0; } =20 - tpm_backend_startup_tpm(s->be_driver, s->be_buffer_size); + if (tpm_backend_startup_tpm(s->be_driver, s->be_buffer_size) < 0) { + exit(1); + } } =20 /* persistent state handling */ --=20 2.20.1 From nobody Sun Feb 8 17:16:11 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.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; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1564067351; cv=none; d=zoho.com; s=zohoarc; b=FlHRlmdP4y+grwrpf7tiGks5xi62k9S1LxL+V+eZgJG8doNTX5BRAWZTp88ZBmfObXq/P381RsDhE61YFUVWZYNOIHQSwrF/AdQKQFR3VBvh0HbbuW7ICp8TWKoxZhY7+g86dd8I6dxWpjlu3SoUtuBMCNZDRnYtVQq+7l7vgYw= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564067351; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; 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Thu, 25 Jul 2019 15:08:40 +0000 (GMT) From: Stefan Berger To: qemu-devel@nongnu.org Date: Thu, 25 Jul 2019 11:08:32 -0400 Message-Id: <20190725150832.1180275-3-stefanb@linux.vnet.ibm.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190725150832.1180275-1-stefanb@linux.vnet.ibm.com> References: <20190725150832.1180275-1-stefanb@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-07-25_06:, , 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=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1906280000 definitions=main-1907250177 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] X-Received-From: 148.163.158.5 Subject: [Qemu-devel] [PATCH v2 2/2] tpm_emulator: Translate TPM error codes to strings 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: Stefan Berger , marcandre.lureau@gmail.com, Stefan Berger Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" Implement a function to translate TPM error codes to strings so that at least the most common error codes can be translated to human readable strings. Signed-off-by: Stefan Berger Reviewed-by: Marc-Andr=C3=A9 Lureau --- hw/tpm/tpm_emulator.c | 60 +++++++++++++++++++++++++++++++++++-------- hw/tpm/tpm_int.h | 13 ++++++++++ 2 files changed, 63 insertions(+), 10 deletions(-) diff --git a/hw/tpm/tpm_emulator.c b/hw/tpm/tpm_emulator.c index 1288cbcb8d..fc0b512f4f 100644 --- a/hw/tpm/tpm_emulator.c +++ b/hw/tpm/tpm_emulator.c @@ -82,6 +82,40 @@ typedef struct TPMEmulator { TPMBlobBuffers state_blobs; } TPMEmulator; =20 +struct tpm_error { + uint32_t tpm_result; + const char *string; +}; + +static const struct tpm_error tpm_errors[] =3D { + /* TPM 1.2 error codes */ + { TPM_BAD_PARAMETER , "a parameter is bad" }, + { TPM_FAIL , "operation failed" }, + { TPM_KEYNOTFOUND , "key could not be found" }, + { TPM_BAD_PARAM_SIZE , "bad parameter size"}, + { TPM_ENCRYPT_ERROR , "encryption error" }, + { TPM_DECRYPT_ERROR , "decryption error" }, + { TPM_BAD_KEY_PROPERTY, "bad key property" }, + { TPM_BAD_MODE , "bad (encryption) mode" }, + { TPM_BAD_VERSION , "bad version identifier" }, + { TPM_BAD_LOCALITY , "bad locality" }, + /* TPM 2 error codes */ + { TPM_RC_FAILURE , "operation failed" }, + { TPM_RC_LOCALITY , "bad locality" }, + { TPM_RC_INSUFFICIENT, "insufficient amount of data" }, +}; + +static const char *tpm_emulator_strerror(uint32_t tpm_result) +{ + size_t i; + + for (i =3D 0; i < ARRAY_SIZE(tpm_errors); i++) { + if (tpm_errors[i].tpm_result =3D=3D tpm_result) { + return tpm_errors[i].string; + } + } + return ""; +} =20 static int tpm_emulator_ctrlcmd(TPMEmulator *tpm, unsigned long cmd, void = *msg, size_t msg_len_in, size_t msg_len_out) @@ -264,7 +298,8 @@ static int tpm_emulator_stop_tpm(TPMBackend *tb) =20 res =3D be32_to_cpu(res); if (res) { - error_report("tpm-emulator: TPM result for CMD_STOP: 0x%x", res); + error_report("tpm-emulator: TPM result for CMD_STOP: 0x%x %s", res, + tpm_emulator_strerror(res)); return -1; } =20 @@ -293,8 +328,9 @@ static int tpm_emulator_set_buffer_size(TPMBackend *tb, =20 psbs.u.resp.tpm_result =3D be32_to_cpu(psbs.u.resp.tpm_result); if (psbs.u.resp.tpm_result !=3D 0) { - error_report("tpm-emulator: TPM result for set buffer size : 0x%x", - psbs.u.resp.tpm_result); + error_report("tpm-emulator: TPM result for set buffer size : 0x%x = %s", + psbs.u.resp.tpm_result, + tpm_emulator_strerror(psbs.u.resp.tpm_result)); return -1; } =20 @@ -339,7 +375,8 @@ static int tpm_emulator_startup_tpm_resume(TPMBackend *= tb, size_t buffersize, =20 res =3D be32_to_cpu(init.u.resp.tpm_result); if (res) { - error_report("tpm-emulator: TPM result for CMD_INIT: 0x%x", res); + error_report("tpm-emulator: TPM result for CMD_INIT: 0x%x %s", res, + tpm_emulator_strerror(res)); goto err_exit; } return 0; @@ -399,8 +436,9 @@ static int tpm_emulator_reset_tpm_established_flag(TPMB= ackend *tb, =20 res =3D be32_to_cpu(reset_est.u.resp.tpm_result); if (res) { - error_report("tpm-emulator: TPM result for rest establixhed flag: = 0x%x", - res); + error_report( + "tpm-emulator: TPM result for rest established flag: 0x%x %s", + res, tpm_emulator_strerror(res)); return -1; } =20 @@ -638,7 +676,8 @@ static int tpm_emulator_get_state_blob(TPMEmulator *tpm= _emu, res =3D be32_to_cpu(pgs.u.resp.tpm_result); if (res !=3D 0 && (res & 0x800) =3D=3D 0) { error_report("tpm-emulator: Getting the stateblob (type %d) failed= " - "with a TPM error 0x%x", type, res); + "with a TPM error 0x%x %s", type, res, + tpm_emulator_strerror(res)); return -1; } =20 @@ -758,7 +797,8 @@ static int tpm_emulator_set_state_blob(TPMEmulator *tpm= _emu, tpm_result =3D be32_to_cpu(pss.u.resp.tpm_result); if (tpm_result !=3D 0) { error_report("tpm-emulator: Setting the stateblob (type %d) failed= " - "with a TPM error 0x%x", type, tpm_result); + "with a TPM error 0x%x %s", type, tpm_result, + tpm_emulator_strerror(tpm_result)); return -1; } =20 @@ -888,8 +928,8 @@ static void tpm_emulator_shutdown(TPMEmulator *tpm_emu) error_report("tpm-emulator: Could not cleanly shutdown the TPM: %s= ", strerror(errno)); } else if (res !=3D 0) { - error_report("tpm-emulator: TPM result for sutdown: 0x%x", - be32_to_cpu(res)); + error_report("tpm-emulator: TPM result for shutdown: 0x%x %s", + be32_to_cpu(res), tpm_emulator_strerror(be32_to_cpu(r= es))); } } =20 diff --git a/hw/tpm/tpm_int.h b/hw/tpm/tpm_int.h index a4c77fbd7e..3fb28a9d6c 100644 --- a/hw/tpm/tpm_int.h +++ b/hw/tpm/tpm_int.h @@ -39,7 +39,16 @@ struct tpm_resp_hdr { #define TPM_TAG_RSP_AUTH1_COMMAND 0xc5 #define TPM_TAG_RSP_AUTH2_COMMAND 0xc6 =20 +#define TPM_BAD_PARAMETER 3 #define TPM_FAIL 9 +#define TPM_KEYNOTFOUND 13 +#define TPM_BAD_PARAM_SIZE 25 +#define TPM_ENCRYPT_ERROR 32 +#define TPM_DECRYPT_ERROR 33 +#define TPM_BAD_KEY_PROPERTY 40 +#define TPM_BAD_MODE 44 +#define TPM_BAD_VERSION 46 +#define TPM_BAD_LOCALITY 61 =20 #define TPM_ORD_ContinueSelfTest 0x53 #define TPM_ORD_GetTicks 0xf1 @@ -59,4 +68,8 @@ struct tpm_resp_hdr { =20 #define TPM2_PT_MAX_COMMAND_SIZE 0x11e =20 +#define TPM_RC_INSUFFICIENT 0x9a +#define TPM_RC_FAILURE 0x101 +#define TPM_RC_LOCALITY 0x907 + #endif /* TPM_TPM_INT_H */ --=20 2.20.1