From: David Gibson <david@gibson.dropbear.id.au> To: qemu-devel@nongnu.org, brijesh.singh@amd.com, frankja@linux.ibm.com, dgilbert@redhat.com, pair@us.ibm.com Cc: qemu-ppc@nongnu.org, kvm@vger.kernel.org, David Gibson <david@gibson.dropbear.id.au>, mdroth@linux.vnet.ibm.com, cohuck@redhat.com, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, Paolo Bonzini <pbonzini@redhat.com>, "Michael S. Tsirkin" <mst@redhat.com>, Richard Henderson <rth@twiddle.net>, Eduardo Habkost <ehabkost@redhat.com> Subject: [RFC v2 07/18] target/i386: sev: Remove redundant policy field Date: Thu, 21 May 2020 13:42:53 +1000 [thread overview] Message-ID: <20200521034304.340040-8-david@gibson.dropbear.id.au> (raw) In-Reply-To: <20200521034304.340040-1-david@gibson.dropbear.id.au> SEVState::policy is set from the final value of the policy field in the parameter structure for the KVM_SEV_LAUNCH_START ioctl(). But, AFAICT that ioctl() won't ever change it from the original supplied value which comes from SevGuestState::policy. So, remove this field and just use SevGuestState::policy directly. Signed-off-by: David Gibson <david@gibson.dropbear.id.au> --- target/i386/sev.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/target/i386/sev.c b/target/i386/sev.c index d25af37136..4b261beaa7 100644 --- a/target/i386/sev.c +++ b/target/i386/sev.c @@ -39,7 +39,6 @@ struct SEVState { uint8_t api_major; uint8_t api_minor; uint8_t build_id; - uint32_t policy; uint64_t me_mask; uint32_t handle; int sev_fd; @@ -397,7 +396,7 @@ sev_get_info(void) info->api_major = sev_guest->state.api_major; info->api_minor = sev_guest->state.api_minor; info->build_id = sev_guest->state.build_id; - info->policy = sev_guest->state.policy; + info->policy = sev_guest->policy; info->state = sev_guest->state.state; info->handle = sev_guest->state.handle; } @@ -520,8 +519,7 @@ sev_launch_start(SevGuestState *sev) start->handle = object_property_get_int(OBJECT(sev), "handle", &error_abort); - start->policy = object_property_get_int(OBJECT(sev), "policy", - &error_abort); + start->policy = sev->policy; if (sev->session_file) { if (sev_read_file_base64(sev->session_file, &session, &sz) < 0) { goto out; @@ -550,7 +548,6 @@ sev_launch_start(SevGuestState *sev) &error_abort); sev_set_guest_state(sev, SEV_STATE_LAUNCH_UPDATE); s->handle = start->handle; - s->policy = start->policy; ret = 0; out: -- 2.26.2
WARNING: multiple messages have this Message-ID (diff)
From: David Gibson <david@gibson.dropbear.id.au> To: qemu-devel@nongnu.org, brijesh.singh@amd.com, frankja@linux.ibm.com, dgilbert@redhat.com, pair@us.ibm.com Cc: Eduardo Habkost <ehabkost@redhat.com>, kvm@vger.kernel.org, "Michael S. Tsirkin" <mst@redhat.com>, cohuck@redhat.com, mdroth@linux.vnet.ibm.com, qemu-ppc@nongnu.org, Paolo Bonzini <pbonzini@redhat.com>, Richard Henderson <rth@twiddle.net>, David Gibson <david@gibson.dropbear.id.au> Subject: [RFC v2 07/18] target/i386: sev: Remove redundant policy field Date: Thu, 21 May 2020 13:42:53 +1000 [thread overview] Message-ID: <20200521034304.340040-8-david@gibson.dropbear.id.au> (raw) In-Reply-To: <20200521034304.340040-1-david@gibson.dropbear.id.au> SEVState::policy is set from the final value of the policy field in the parameter structure for the KVM_SEV_LAUNCH_START ioctl(). But, AFAICT that ioctl() won't ever change it from the original supplied value which comes from SevGuestState::policy. So, remove this field and just use SevGuestState::policy directly. Signed-off-by: David Gibson <david@gibson.dropbear.id.au> --- target/i386/sev.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/target/i386/sev.c b/target/i386/sev.c index d25af37136..4b261beaa7 100644 --- a/target/i386/sev.c +++ b/target/i386/sev.c @@ -39,7 +39,6 @@ struct SEVState { uint8_t api_major; uint8_t api_minor; uint8_t build_id; - uint32_t policy; uint64_t me_mask; uint32_t handle; int sev_fd; @@ -397,7 +396,7 @@ sev_get_info(void) info->api_major = sev_guest->state.api_major; info->api_minor = sev_guest->state.api_minor; info->build_id = sev_guest->state.build_id; - info->policy = sev_guest->state.policy; + info->policy = sev_guest->policy; info->state = sev_guest->state.state; info->handle = sev_guest->state.handle; } @@ -520,8 +519,7 @@ sev_launch_start(SevGuestState *sev) start->handle = object_property_get_int(OBJECT(sev), "handle", &error_abort); - start->policy = object_property_get_int(OBJECT(sev), "policy", - &error_abort); + start->policy = sev->policy; if (sev->session_file) { if (sev_read_file_base64(sev->session_file, &session, &sz) < 0) { goto out; @@ -550,7 +548,6 @@ sev_launch_start(SevGuestState *sev) &error_abort); sev_set_guest_state(sev, SEV_STATE_LAUNCH_UPDATE); s->handle = start->handle; - s->policy = start->policy; ret = 0; out: -- 2.26.2
next prev parent reply other threads:[~2020-05-21 3:43 UTC|newest] Thread overview: 156+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-05-21 3:42 [RFC v2 00/18] Refactor configuration of guest memory protection David Gibson 2020-05-21 3:42 ` David Gibson 2020-05-21 3:42 ` [RFC v2 01/18] target/i386: sev: Remove unused QSevGuestInfoClass David Gibson 2020-05-21 3:42 ` David Gibson 2020-05-29 9:01 ` Philippe Mathieu-Daudé 2020-06-02 3:04 ` Richard Henderson 2020-05-21 3:42 ` [RFC v2 02/18] target/i386: sev: Move local structure definitions into .c file David Gibson 2020-05-21 3:42 ` David Gibson 2020-05-29 9:03 ` Philippe Mathieu-Daudé 2020-06-02 3:05 ` Richard Henderson 2020-05-21 3:42 ` [RFC v2 03/18] target/i386: sev: Rename QSevGuestInfo David Gibson 2020-05-21 3:42 ` David Gibson 2020-05-29 9:05 ` Philippe Mathieu-Daudé 2020-06-02 3:06 ` Richard Henderson 2020-05-21 3:42 ` [RFC v2 04/18] target/i386: sev: Embed SEVState in SevGuestState David Gibson 2020-05-21 3:42 ` David Gibson 2020-05-29 9:09 ` Philippe Mathieu-Daudé 2020-06-04 3:15 ` David Gibson 2020-06-04 3:15 ` David Gibson 2020-06-02 3:07 ` Richard Henderson 2020-05-21 3:42 ` [RFC v2 05/18] target/i386: sev: Partial cleanup to sev_state global David Gibson 2020-05-21 3:42 ` David Gibson 2020-06-02 3:08 ` Richard Henderson 2020-05-21 3:42 ` [RFC v2 06/18] target/i386: sev: Remove redundant cbitpos and reduced_phys_bits fields David Gibson 2020-05-21 3:42 ` David Gibson 2020-05-29 9:11 ` Philippe Mathieu-Daudé 2020-06-02 3:09 ` Richard Henderson 2020-05-21 3:42 ` David Gibson [this message] 2020-05-21 3:42 ` [RFC v2 07/18] target/i386: sev: Remove redundant policy field David Gibson 2020-06-02 3:13 ` Richard Henderson 2020-05-21 3:42 ` [RFC v2 08/18] target/i386: sev: Remove redundant handle field David Gibson 2020-05-21 3:42 ` David Gibson 2020-06-02 3:16 ` Richard Henderson 2020-05-21 3:42 ` [RFC v2 09/18] target/i386: sev: Unify SEVState and SevGuestState David Gibson 2020-05-21 3:42 ` David Gibson 2020-05-29 9:13 ` Philippe Mathieu-Daudé 2020-06-02 3:18 ` Richard Henderson 2020-05-21 3:42 ` [RFC v2 10/18] guest memory protection: Add guest memory protection interface David Gibson 2020-05-21 3:42 ` David Gibson 2020-05-25 10:27 ` Greg Kurz 2020-05-25 10:27 ` Greg Kurz 2020-06-03 10:09 ` David Gibson 2020-06-03 10:09 ` David Gibson 2020-06-02 1:44 ` Richard Henderson 2020-06-03 10:09 ` David Gibson 2020-06-03 10:09 ` David Gibson 2020-05-21 3:42 ` [RFC v2 11/18] guest memory protection: Handle memory encrption via interface David Gibson 2020-05-21 3:42 ` David Gibson 2020-05-25 10:26 ` Greg Kurz 2020-05-25 10:26 ` Greg Kurz 2020-06-04 3:27 ` David Gibson 2020-06-04 3:27 ` David Gibson 2020-06-02 3:21 ` Richard Henderson 2020-05-21 3:42 ` [RFC v2 12/18] guest memory protection: Perform KVM init " David Gibson 2020-05-21 3:42 ` David Gibson 2020-06-02 3:39 ` Richard Henderson 2020-06-02 3:45 ` Richard Henderson 2020-05-21 3:42 ` [RFC v2 13/18] guest memory protection: Move side effect out of machine_set_memory_encryption() David Gibson 2020-05-21 3:42 ` David Gibson 2020-06-02 3:41 ` Richard Henderson 2020-05-21 3:43 ` [RFC v2 14/18] guest memory protection: Rework the "memory-encryption" property David Gibson 2020-05-21 3:43 ` David Gibson 2020-06-02 3:54 ` Richard Henderson 2020-06-04 5:56 ` David Gibson 2020-06-04 5:56 ` David Gibson 2020-06-04 6:19 ` Thomas Huth 2020-06-04 6:19 ` Thomas Huth 2020-06-04 6:25 ` David Gibson 2020-06-04 6:25 ` David Gibson 2020-05-21 3:43 ` [RFC v2 15/18] guest memory protection: Decouple kvm_memcrypt_*() helpers from KVM David Gibson 2020-05-21 3:43 ` David Gibson 2020-06-02 4:13 ` Richard Henderson 2020-06-03 10:18 ` David Gibson 2020-06-03 10:18 ` David Gibson 2020-05-21 3:43 ` [RFC v2 16/18] guest memory protection: Add Error ** to GuestMemoryProtection::kvm_init David Gibson 2020-05-21 3:43 ` David Gibson 2020-05-29 9:16 ` Philippe Mathieu-Daudé 2020-06-02 4:15 ` Richard Henderson 2020-05-21 3:43 ` [RFC v2 17/18] spapr: Added PEF based guest memory protection David Gibson 2020-05-21 3:43 ` David Gibson 2020-05-25 11:14 ` Greg Kurz 2020-05-25 11:14 ` Greg Kurz 2020-05-29 7:59 ` Ram Pai 2020-05-29 7:59 ` Ram Pai 2020-06-04 3:46 ` David Gibson 2020-06-04 3:46 ` David Gibson 2020-05-21 3:43 ` [RFC v2 18/18] guest memory protection: Alter virtio default properties for protected guests David Gibson 2020-05-21 3:43 ` David Gibson 2020-06-05 10:45 ` Cornelia Huck 2020-06-05 10:45 ` Cornelia Huck 2020-06-05 16:04 ` Halil Pasic 2020-06-05 16:04 ` Halil Pasic 2020-06-06 20:21 ` Michael S. Tsirkin 2020-06-06 20:21 ` Michael S. Tsirkin 2020-06-07 3:07 ` David Gibson 2020-06-07 3:07 ` David Gibson 2020-06-09 10:16 ` Cornelia Huck 2020-06-09 10:16 ` Cornelia Huck 2020-06-09 15:40 ` Halil Pasic 2020-06-09 15:40 ` Halil Pasic 2020-06-09 15:57 ` Cornelia Huck 2020-06-09 15:57 ` Cornelia Huck 2020-06-09 16:01 ` Michael S. Tsirkin 2020-06-09 16:01 ` Michael S. Tsirkin 2020-06-10 4:45 ` David Gibson 2020-06-10 4:45 ` David Gibson 2020-06-10 4:39 ` David Gibson 2020-06-10 4:39 ` David Gibson 2020-06-10 8:48 ` Cornelia Huck 2020-06-10 8:48 ` Cornelia Huck 2020-06-10 10:07 ` David Gibson 2020-06-10 10:07 ` David Gibson 2020-06-10 13:21 ` Halil Pasic 2020-06-10 13:21 ` Halil Pasic 2020-05-29 22:19 ` [RFC v2 00/18] Refactor configuration of guest memory protection Sean Christopherson 2020-05-29 22:19 ` Sean Christopherson 2020-06-01 9:16 ` Dr. David Alan Gilbert 2020-06-01 9:16 ` Dr. David Alan Gilbert 2020-06-04 3:11 ` David Gibson 2020-06-04 3:11 ` David Gibson 2020-06-04 16:20 ` Sean Christopherson 2020-06-04 16:20 ` Sean Christopherson 2020-06-04 3:05 ` David Gibson 2020-06-04 3:05 ` David Gibson 2020-06-04 4:39 ` Thiago Jung Bauermann 2020-06-04 4:39 ` Thiago Jung Bauermann 2020-06-04 6:21 ` David Gibson 2020-06-04 6:21 ` David Gibson 2020-06-04 21:54 ` Thiago Jung Bauermann 2020-06-04 21:54 ` Thiago Jung Bauermann 2020-06-04 22:47 ` Paolo Bonzini 2020-06-04 22:47 ` Paolo Bonzini 2020-06-04 23:30 ` Thiago Jung Bauermann 2020-06-04 23:30 ` Thiago Jung Bauermann 2020-06-04 23:41 ` Paolo Bonzini 2020-06-04 23:41 ` Paolo Bonzini 2020-06-05 20:01 ` Thiago Jung Bauermann 2020-06-05 20:01 ` Thiago Jung Bauermann 2020-06-06 8:24 ` David Gibson 2020-06-06 8:24 ` David Gibson 2020-06-08 15:10 ` Thiago Jung Bauermann 2020-06-08 15:10 ` Thiago Jung Bauermann 2020-06-04 6:44 ` David Gibson 2020-06-04 6:44 ` David Gibson 2020-06-04 9:08 ` Greg Kurz 2020-06-04 9:08 ` Greg Kurz 2020-06-06 8:45 ` David Gibson 2020-06-06 8:45 ` David Gibson 2020-06-05 10:55 ` Cornelia Huck 2020-06-05 10:55 ` Cornelia Huck 2020-06-06 8:44 ` David Gibson 2020-06-06 8:44 ` David Gibson 2020-06-09 10:11 ` Halil Pasic 2020-06-09 10:11 ` Halil Pasic 2020-06-10 4:36 ` David Gibson 2020-06-10 4:36 ` David Gibson
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