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Thu, 12 Dec 2019 18:08:26 +0000 (GMT) Received: from b01ledav003.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id A9A43B2066; Thu, 12 Dec 2019 18:08:26 +0000 (GMT) Received: from sbct-3.pok.ibm.com (unknown [9.47.158.153]) by b01ledav003.gho.pok.ibm.com (Postfix) with ESMTP; Thu, 12 Dec 2019 18:08:26 +0000 (GMT) From: Stefan Berger To: qemu-ppc@nongnu.org Subject: [PATCH v4 2/8] tpm_backend: Implement check whether tpm backend is suspended Date: Thu, 12 Dec 2019 13:07:38 -0500 Message-Id: <20191212180744.1070446-3-stefanb@linux.vnet.ibm.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20191212180744.1070446-1-stefanb@linux.vnet.ibm.com> References: <20191212180744.1070446-1-stefanb@linux.vnet.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.95,18.0.572 definitions=2019-12-12_05:2019-12-12,2019-12-12 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=1 adultscore=0 priorityscore=1501 mlxscore=0 lowpriorityscore=0 clxscore=1015 mlxlogscore=999 malwarescore=0 phishscore=0 spamscore=0 bulkscore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-1910280000 definitions=main-1912120140 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] [fuzzy] 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: marcandre.lureau@redhat.com, Stefan Berger , Stefan Berger , qemu-devel@nongnu.org, david@gibson.dropbear.id.au Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" Some frontends need to know whether the backend is suspended. Implement tpm_backend_is_suspended(). Signed-off-by: Stefan Berger diff --git a/backends/tpm.c b/backends/tpm.c index 375587e743..424c9fd485 100644 --- a/backends/tpm.c +++ b/backends/tpm.c @@ -163,6 +163,13 @@ size_t tpm_backend_get_buffer_size(TPMBackend *s) return k->get_buffer_size(s); } +bool tpm_backend_is_suspended(TPMBackend *s) +{ + TPMBackendClass *k = TPM_BACKEND_GET_CLASS(s); + + return k->is_suspended(s); +} + TPMInfo *tpm_backend_query_tpm(TPMBackend *s) { TPMInfo *info = g_new0(TPMInfo, 1); diff --git a/include/sysemu/tpm_backend.h b/include/sysemu/tpm_backend.h index 9e7451fb52..f5d8051b45 100644 --- a/include/sysemu/tpm_backend.h +++ b/include/sysemu/tpm_backend.h @@ -84,6 +84,8 @@ struct TPMBackendClass { TpmTypeOptions *(*get_tpm_options)(TPMBackend *t); void (*handle_request)(TPMBackend *s, TPMBackendCmd *cmd, Error **errp); + + bool (*is_suspended)(TPMBackend *t); }; /** @@ -213,6 +215,16 @@ void tpm_backend_finish_sync(TPMBackend *s); */ TPMInfo *tpm_backend_query_tpm(TPMBackend *s); +/** + * tpm_backend_is_suspended: + * @s: the backend to call into + * + * Whether the backend is suspended + * + * Returns true in case the backend is suspended + */ +bool tpm_backend_is_suspended(TPMBackend *s); + TPMBackend *qemu_find_tpm_be(const char *id); #endif