From: David Gibson <david@gibson.dropbear.id.au> To: dgilbert@redhat.com, pair@us.ibm.com, qemu-devel@nongnu.org, brijesh.singh@amd.com, pasic@linux.ibm.com Cc: pragyansri.pathi@intel.com, "Greg Kurz" <groug@kaod.org>, richard.henderson@linaro.org, berrange@redhat.com, "David Hildenbrand" <david@redhat.com>, mdroth@linux.vnet.ibm.com, kvm@vger.kernel.org, "Marcel Apfelbaum" <marcel.apfelbaum@gmail.com>, pbonzini@redhat.com, mtosatti@redhat.com, borntraeger@de.ibm.com, "Cornelia Huck" <cohuck@redhat.com>, qemu-ppc@nongnu.org, "David Gibson" <david@gibson.dropbear.id.au>, qemu-s390x@nongnu.org, thuth@redhat.com, mst@redhat.com, frankja@linux.ibm.com, jun.nakajima@intel.com, andi.kleen@intel.com, "Eduardo Habkost" <ehabkost@redhat.com>, "Philippe Mathieu-Daudé" <philmd@redhat.com> Subject: [PATCH v8 06/13] sev: Add Error ** to sev_kvm_init() Date: Tue, 2 Feb 2021 15:13:08 +1100 [thread overview] Message-ID: <20210202041315.196530-7-david@gibson.dropbear.id.au> (raw) In-Reply-To: <20210202041315.196530-1-david@gibson.dropbear.id.au> This allows failures to be reported richly and idiomatically. Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Cornelia Huck <cohuck@redhat.com> --- accel/kvm/kvm-all.c | 4 +++- accel/kvm/sev-stub.c | 2 +- include/sysemu/sev.h | 2 +- target/i386/sev.c | 31 +++++++++++++++---------------- 4 files changed, 20 insertions(+), 19 deletions(-) diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c index 7e615b8e68..3d820d0c7d 100644 --- a/accel/kvm/kvm-all.c +++ b/accel/kvm/kvm-all.c @@ -2185,9 +2185,11 @@ static int kvm_init(MachineState *ms) * encryption context. */ if (ms->cgs) { + Error *local_err = NULL; /* FIXME handle mechanisms other than SEV */ - ret = sev_kvm_init(ms->cgs); + ret = sev_kvm_init(ms->cgs, &local_err); if (ret < 0) { + error_report_err(local_err); goto err; } } diff --git a/accel/kvm/sev-stub.c b/accel/kvm/sev-stub.c index 3d4787ae4a..512e205f7f 100644 --- a/accel/kvm/sev-stub.c +++ b/accel/kvm/sev-stub.c @@ -15,7 +15,7 @@ #include "qemu-common.h" #include "sysemu/sev.h" -int sev_kvm_init(ConfidentialGuestSupport *cgs) +int sev_kvm_init(ConfidentialGuestSupport *cgs, Error **errp) { /* SEV can't be selected if it's not compiled */ g_assert_not_reached(); diff --git a/include/sysemu/sev.h b/include/sysemu/sev.h index 3b5b1aacf1..5c5a13c6ca 100644 --- a/include/sysemu/sev.h +++ b/include/sysemu/sev.h @@ -16,7 +16,7 @@ #include "sysemu/kvm.h" -int sev_kvm_init(ConfidentialGuestSupport *cgs); +int sev_kvm_init(ConfidentialGuestSupport *cgs, Error **errp); int sev_encrypt_flash(uint8_t *ptr, uint64_t len, Error **errp); int sev_inject_launch_secret(const char *hdr, const char *secret, uint64_t gpa, Error **errp); diff --git a/target/i386/sev.c b/target/i386/sev.c index fa962d533c..590cb31fa8 100644 --- a/target/i386/sev.c +++ b/target/i386/sev.c @@ -662,7 +662,7 @@ sev_vm_state_change(void *opaque, int running, RunState state) } } -int sev_kvm_init(ConfidentialGuestSupport *cgs) +int sev_kvm_init(ConfidentialGuestSupport *cgs, Error **errp) { SevGuestState *sev = SEV_GUEST(cgs); char *devname; @@ -684,14 +684,14 @@ int sev_kvm_init(ConfidentialGuestSupport *cgs) host_cbitpos = ebx & 0x3f; if (host_cbitpos != sev->cbitpos) { - error_report("%s: cbitpos check failed, host '%d' requested '%d'", - __func__, host_cbitpos, sev->cbitpos); + error_setg(errp, "%s: cbitpos check failed, host '%d' requested '%d'", + __func__, host_cbitpos, sev->cbitpos); goto err; } if (sev->reduced_phys_bits < 1) { - error_report("%s: reduced_phys_bits check failed, it should be >=1," - " requested '%d'", __func__, sev->reduced_phys_bits); + error_setg(errp, "%s: reduced_phys_bits check failed, it should be >=1," + " requested '%d'", __func__, sev->reduced_phys_bits); goto err; } @@ -700,20 +700,19 @@ int sev_kvm_init(ConfidentialGuestSupport *cgs) devname = object_property_get_str(OBJECT(sev), "sev-device", NULL); sev->sev_fd = open(devname, O_RDWR); if (sev->sev_fd < 0) { - error_report("%s: Failed to open %s '%s'", __func__, - devname, strerror(errno)); - } - g_free(devname); - if (sev->sev_fd < 0) { + error_setg(errp, "%s: Failed to open %s '%s'", __func__, + devname, strerror(errno)); + g_free(devname); goto err; } + g_free(devname); ret = sev_platform_ioctl(sev->sev_fd, SEV_PLATFORM_STATUS, &status, &fw_error); if (ret) { - error_report("%s: failed to get platform status ret=%d " - "fw_error='%d: %s'", __func__, ret, fw_error, - fw_error_to_str(fw_error)); + error_setg(errp, "%s: failed to get platform status ret=%d " + "fw_error='%d: %s'", __func__, ret, fw_error, + fw_error_to_str(fw_error)); goto err; } sev->build_id = status.build; @@ -723,14 +722,14 @@ int sev_kvm_init(ConfidentialGuestSupport *cgs) trace_kvm_sev_init(); ret = sev_ioctl(sev->sev_fd, KVM_SEV_INIT, NULL, &fw_error); if (ret) { - error_report("%s: failed to initialize ret=%d fw_error=%d '%s'", - __func__, ret, fw_error, fw_error_to_str(fw_error)); + error_setg(errp, "%s: failed to initialize ret=%d fw_error=%d '%s'", + __func__, ret, fw_error, fw_error_to_str(fw_error)); goto err; } ret = sev_launch_start(sev); if (ret) { - error_report("%s: failed to create encryption context", __func__); + error_setg(errp, "%s: failed to create encryption context", __func__); goto err; } -- 2.29.2
WARNING: multiple messages have this Message-ID (diff)
From: David Gibson <david@gibson.dropbear.id.au> To: dgilbert@redhat.com, pair@us.ibm.com, qemu-devel@nongnu.org, brijesh.singh@amd.com, pasic@linux.ibm.com Cc: mtosatti@redhat.com, kvm@vger.kernel.org, mst@redhat.com, frankja@linux.ibm.com, borntraeger@de.ibm.com, "David Hildenbrand" <david@redhat.com>, mdroth@linux.vnet.ibm.com, pragyansri.pathi@intel.com, andi.kleen@intel.com, "Philippe Mathieu-Daudé" <philmd@redhat.com>, thuth@redhat.com, "Eduardo Habkost" <ehabkost@redhat.com>, richard.henderson@linaro.org, "Greg Kurz" <groug@kaod.org>, qemu-s390x@nongnu.org, jun.nakajima@intel.com, "David Gibson" <david@gibson.dropbear.id.au>, berrange@redhat.com, "Cornelia Huck" <cohuck@redhat.com>, qemu-ppc@nongnu.org, pbonzini@redhat.com Subject: [PATCH v8 06/13] sev: Add Error ** to sev_kvm_init() Date: Tue, 2 Feb 2021 15:13:08 +1100 [thread overview] Message-ID: <20210202041315.196530-7-david@gibson.dropbear.id.au> (raw) In-Reply-To: <20210202041315.196530-1-david@gibson.dropbear.id.au> This allows failures to be reported richly and idiomatically. Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Cornelia Huck <cohuck@redhat.com> --- accel/kvm/kvm-all.c | 4 +++- accel/kvm/sev-stub.c | 2 +- include/sysemu/sev.h | 2 +- target/i386/sev.c | 31 +++++++++++++++---------------- 4 files changed, 20 insertions(+), 19 deletions(-) diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c index 7e615b8e68..3d820d0c7d 100644 --- a/accel/kvm/kvm-all.c +++ b/accel/kvm/kvm-all.c @@ -2185,9 +2185,11 @@ static int kvm_init(MachineState *ms) * encryption context. */ if (ms->cgs) { + Error *local_err = NULL; /* FIXME handle mechanisms other than SEV */ - ret = sev_kvm_init(ms->cgs); + ret = sev_kvm_init(ms->cgs, &local_err); if (ret < 0) { + error_report_err(local_err); goto err; } } diff --git a/accel/kvm/sev-stub.c b/accel/kvm/sev-stub.c index 3d4787ae4a..512e205f7f 100644 --- a/accel/kvm/sev-stub.c +++ b/accel/kvm/sev-stub.c @@ -15,7 +15,7 @@ #include "qemu-common.h" #include "sysemu/sev.h" -int sev_kvm_init(ConfidentialGuestSupport *cgs) +int sev_kvm_init(ConfidentialGuestSupport *cgs, Error **errp) { /* SEV can't be selected if it's not compiled */ g_assert_not_reached(); diff --git a/include/sysemu/sev.h b/include/sysemu/sev.h index 3b5b1aacf1..5c5a13c6ca 100644 --- a/include/sysemu/sev.h +++ b/include/sysemu/sev.h @@ -16,7 +16,7 @@ #include "sysemu/kvm.h" -int sev_kvm_init(ConfidentialGuestSupport *cgs); +int sev_kvm_init(ConfidentialGuestSupport *cgs, Error **errp); int sev_encrypt_flash(uint8_t *ptr, uint64_t len, Error **errp); int sev_inject_launch_secret(const char *hdr, const char *secret, uint64_t gpa, Error **errp); diff --git a/target/i386/sev.c b/target/i386/sev.c index fa962d533c..590cb31fa8 100644 --- a/target/i386/sev.c +++ b/target/i386/sev.c @@ -662,7 +662,7 @@ sev_vm_state_change(void *opaque, int running, RunState state) } } -int sev_kvm_init(ConfidentialGuestSupport *cgs) +int sev_kvm_init(ConfidentialGuestSupport *cgs, Error **errp) { SevGuestState *sev = SEV_GUEST(cgs); char *devname; @@ -684,14 +684,14 @@ int sev_kvm_init(ConfidentialGuestSupport *cgs) host_cbitpos = ebx & 0x3f; if (host_cbitpos != sev->cbitpos) { - error_report("%s: cbitpos check failed, host '%d' requested '%d'", - __func__, host_cbitpos, sev->cbitpos); + error_setg(errp, "%s: cbitpos check failed, host '%d' requested '%d'", + __func__, host_cbitpos, sev->cbitpos); goto err; } if (sev->reduced_phys_bits < 1) { - error_report("%s: reduced_phys_bits check failed, it should be >=1," - " requested '%d'", __func__, sev->reduced_phys_bits); + error_setg(errp, "%s: reduced_phys_bits check failed, it should be >=1," + " requested '%d'", __func__, sev->reduced_phys_bits); goto err; } @@ -700,20 +700,19 @@ int sev_kvm_init(ConfidentialGuestSupport *cgs) devname = object_property_get_str(OBJECT(sev), "sev-device", NULL); sev->sev_fd = open(devname, O_RDWR); if (sev->sev_fd < 0) { - error_report("%s: Failed to open %s '%s'", __func__, - devname, strerror(errno)); - } - g_free(devname); - if (sev->sev_fd < 0) { + error_setg(errp, "%s: Failed to open %s '%s'", __func__, + devname, strerror(errno)); + g_free(devname); goto err; } + g_free(devname); ret = sev_platform_ioctl(sev->sev_fd, SEV_PLATFORM_STATUS, &status, &fw_error); if (ret) { - error_report("%s: failed to get platform status ret=%d " - "fw_error='%d: %s'", __func__, ret, fw_error, - fw_error_to_str(fw_error)); + error_setg(errp, "%s: failed to get platform status ret=%d " + "fw_error='%d: %s'", __func__, ret, fw_error, + fw_error_to_str(fw_error)); goto err; } sev->build_id = status.build; @@ -723,14 +722,14 @@ int sev_kvm_init(ConfidentialGuestSupport *cgs) trace_kvm_sev_init(); ret = sev_ioctl(sev->sev_fd, KVM_SEV_INIT, NULL, &fw_error); if (ret) { - error_report("%s: failed to initialize ret=%d fw_error=%d '%s'", - __func__, ret, fw_error, fw_error_to_str(fw_error)); + error_setg(errp, "%s: failed to initialize ret=%d fw_error=%d '%s'", + __func__, ret, fw_error, fw_error_to_str(fw_error)); goto err; } ret = sev_launch_start(sev); if (ret) { - error_report("%s: failed to create encryption context", __func__); + error_setg(errp, "%s: failed to create encryption context", __func__); goto err; } -- 2.29.2
next prev parent reply other threads:[~2021-02-02 4:15 UTC|newest] Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-02-02 4:13 [PATCH v8 00/13] Generalize memory encryption models David Gibson 2021-02-02 4:13 ` David Gibson 2021-02-02 4:13 ` [PATCH v8 01/13] qom: Allow optional sugar props David Gibson 2021-02-02 4:13 ` David Gibson 2021-02-02 4:13 ` [PATCH v8 02/13] confidential guest support: Introduce new confidential guest support class David Gibson 2021-02-02 4:13 ` David Gibson 2021-02-02 4:13 ` [PATCH v8 03/13] sev: Remove false abstraction of flash encryption David Gibson 2021-02-02 4:13 ` David Gibson 2021-02-02 4:13 ` [PATCH v8 04/13] confidential guest support: Move side effect out of machine_set_memory_encryption() David Gibson 2021-02-02 4:13 ` David Gibson 2021-02-02 4:13 ` [PATCH v8 05/13] confidential guest support: Rework the "memory-encryption" property David Gibson 2021-02-02 4:13 ` David Gibson 2021-02-02 4:13 ` David Gibson [this message] 2021-02-02 4:13 ` [PATCH v8 06/13] sev: Add Error ** to sev_kvm_init() David Gibson 2021-02-02 4:13 ` [PATCH v8 07/13] confidential guest support: Introduce cgs "ready" flag David Gibson 2021-02-02 4:13 ` David Gibson 2021-02-03 10:42 ` Dr. David Alan Gilbert 2021-02-03 10:42 ` Dr. David Alan Gilbert 2021-02-03 16:15 ` Greg Kurz 2021-02-03 16:15 ` Greg Kurz 2021-02-04 2:45 ` David Gibson 2021-02-04 2:45 ` David Gibson 2021-02-10 16:25 ` Venu Busireddy 2021-02-10 16:25 ` Venu Busireddy 2021-02-11 23:48 ` David Gibson 2021-02-11 23:48 ` David Gibson 2021-02-02 4:13 ` [PATCH v8 08/13] confidential guest support: Move SEV initialization into arch specific code David Gibson 2021-02-02 4:13 ` David Gibson 2021-02-03 16:19 ` Greg Kurz 2021-02-03 16:19 ` Greg Kurz 2021-02-02 4:13 ` [PATCH v8 09/13] confidential guest support: Update documentation David Gibson 2021-02-02 4:13 ` David Gibson 2021-02-02 4:13 ` [PATCH v8 10/13] spapr: Add PEF based confidential guest support David Gibson 2021-02-02 4:13 ` David Gibson 2021-02-03 17:50 ` Greg Kurz 2021-02-03 17:50 ` Greg Kurz 2021-02-04 2:47 ` David Gibson 2021-02-04 2:47 ` David Gibson 2021-02-02 4:13 ` [PATCH v8 11/13] spapr: PEF: prevent migration David Gibson 2021-02-02 4:13 ` David Gibson 2021-02-02 4:13 ` [PATCH v8 12/13] confidential guest support: Alter virtio default properties for protected guests David Gibson 2021-02-02 4:13 ` David Gibson 2021-02-02 23:06 ` Michael S. Tsirkin 2021-02-02 23:06 ` Michael S. Tsirkin 2021-02-03 4:53 ` David Gibson 2021-02-03 4:53 ` David Gibson 2021-02-02 4:13 ` [PATCH v8 13/13] s390: Recognize confidential-guest-support option David Gibson 2021-02-02 4:13 ` David Gibson 2021-02-03 9:05 ` Christian Borntraeger 2021-02-03 9:05 ` Christian Borntraeger
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