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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 B816EB2068; 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 3/8] tpm_emulator: Implement callback for whether we are suspended Date: Thu, 12 Dec 2019 13:07:39 -0500 Message-Id: <20191212180744.1070446-4-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 lowpriorityscore=0 bulkscore=0 impostorscore=0 spamscore=0 clxscore=1015 suspectscore=1 mlxscore=0 mlxlogscore=998 malwarescore=0 adultscore=0 phishscore=0 priorityscore=1501 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: 148.163.158.5 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" Implement the check whether the emulator backend is suspended. Signed-off-by: Stefan Berger diff --git a/hw/tpm/tpm_emulator.c b/hw/tpm/tpm_emulator.c index 22f9113432..7be7d3a91b 100644 --- a/hw/tpm/tpm_emulator.c +++ b/hw/tpm/tpm_emulator.c @@ -80,6 +80,8 @@ typedef struct TPMEmulator { unsigned int established_flag_cached:1; TPMBlobBuffers state_blobs; + + bool is_suspended; } TPMEmulator; struct tpm_error { @@ -486,6 +488,13 @@ static size_t tpm_emulator_get_buffer_size(TPMBackend *tb) return actual_size; } +static bool tpm_emulator_is_suspended(TPMBackend *tb) +{ + TPMEmulator *tpm_emu = TPM_EMULATOR(tb); + + return tpm_emu->is_suspended; +} + static int tpm_emulator_block_migration(TPMEmulator *tpm_emu) { Error *err = NULL; @@ -846,6 +855,8 @@ static int tpm_emulator_pre_save(void *opaque) TPMBackend *tb = opaque; TPMEmulator *tpm_emu = TPM_EMULATOR(tb); + tpm_emu->is_suspended = true; + trace_tpm_emulator_pre_save(); tpm_backend_finish_sync(tb); @@ -975,6 +986,7 @@ static void tpm_emulator_class_init(ObjectClass *klass, void *data) tbc->get_tpm_version = tpm_emulator_get_tpm_version; tbc->get_buffer_size = tpm_emulator_get_buffer_size; tbc->get_tpm_options = tpm_emulator_get_tpm_options; + tbc->is_suspended = tpm_emulator_is_suspended; tbc->handle_request = tpm_emulator_handle_request; }