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Tsirkin" , Marcel Apfelbaum , Igor Mammedov , Ani Sinha Cc: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Yanan Wang , Cornelia Huck , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Eric Blake , Markus Armbruster , Marcelo Tosatti , rick.p.edgecombe@intel.com, kvm@vger.kernel.org, qemu-devel@nongnu.org, xiaoyao.li@intel.com Subject: [PATCH v6 33/60] i386/cpu: introduce x86_confidenetial_guest_cpu_realizefn() Date: Tue, 5 Nov 2024 01:23:41 -0500 Message-Id: <20241105062408.3533704-34-xiaoyao.li@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241105062408.3533704-1-xiaoyao.li@intel.com> References: <20241105062408.3533704-1-xiaoyao.li@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.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; Received-SPF: pass client-ip=198.175.65.18; envelope-from=xiaoyao.li@intel.com; helo=mgamail.intel.com X-Spam_score_int: -39 X-Spam_score: -4.0 X-Spam_bar: ---- X-Spam_report: (-4.0 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.34, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, HK_RANDOM_ENVFROM=0.001, HK_RANDOM_FROM=0.781, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @intel.com) X-ZM-MESSAGEID: 1730789271028116600 Content-Type: text/plain; charset="utf-8" To execute confidential guest specific cpu realize operations. Signed-off-by: Xiaoyao Li --- changes in v6: - new patch; --- target/i386/confidential-guest.h | 12 ++++++++++++ target/i386/cpu.c | 13 ++++++++++++- 2 files changed, 24 insertions(+), 1 deletion(-) diff --git a/target/i386/confidential-guest.h b/target/i386/confidential-gu= est.h index 38169ed68e06..4b7ea91023dc 100644 --- a/target/i386/confidential-guest.h +++ b/target/i386/confidential-guest.h @@ -40,6 +40,7 @@ struct X86ConfidentialGuestClass { /* */ int (*kvm_type)(X86ConfidentialGuest *cg); void (*cpu_instance_init)(X86ConfidentialGuest *cg, CPUState *cpu); + void (*cpu_realizefn)(X86ConfidentialGuest *cg, CPUState *cpu, Error *= *errp); uint32_t (*mask_cpuid_features)(X86ConfidentialGuest *cg, uint32_t fea= ture, uint32_t index, int reg, uint32_t value); }; @@ -70,6 +71,17 @@ static inline void x86_confidential_guest_cpu_instance_i= nit(X86ConfidentialGuest } } =20 +static inline void x86_confidenetial_guest_cpu_realizefn(X86ConfidentialGu= est *cg, + CPUState *cpu, + Error **errp) +{ + X86ConfidentialGuestClass *klass =3D X86_CONFIDENTIAL_GUEST_GET_CLASS(= cg); + + if (klass->cpu_realizefn) { + klass->cpu_realizefn(cg, cpu, errp); + } +} + /** * x86_confidential_guest_mask_cpuid_features: * diff --git a/target/i386/cpu.c b/target/i386/cpu.c index c7d65bbeab9b..1ffbafef03e7 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -7848,6 +7848,18 @@ static void x86_cpu_realizefn(DeviceState *dev, Erro= r **errp) return; } =20 +#ifndef CONFIG_USER_ONLY + MachineState *ms =3D MACHINE(qdev_get_machine()); + + if (ms->cgs) { + x86_confidenetial_guest_cpu_realizefn(X86_CONFIDENTIAL_GUEST(ms->c= gs), + cs, &local_err); + if (local_err !=3D NULL) { + goto out; + } + } +#endif + if (xcc->host_cpuid_required && !accel_uses_host_cpuid()) { g_autofree char *name =3D x86_cpu_class_get_model_name(xcc); error_setg(&local_err, "CPU model '%s' requires KVM or HVF", name); @@ -7972,7 +7984,6 @@ static void x86_cpu_realizefn(DeviceState *dev, Error= **errp) } =20 #ifndef CONFIG_USER_ONLY - MachineState *ms =3D MACHINE(qdev_get_machine()); qemu_register_reset(x86_cpu_machine_reset_cb, cpu); =20 if (cpu->env.features[FEAT_1_EDX] & CPUID_APIC || ms->smp.cpus > 1) { --=20 2.34.1