2 Commits

Author	SHA1	Message	Date
Sean Christopherson	8f102445d4	KVM: VMX: Add emulation of SGX Launch Control LE hash MSRs ... Emulate the four Launch Enclave public key hash MSRs (LE hash MSRs) that exist on CPUs that support SGX Launch Control (LC). SGX LC modifies the behavior of ENCLS[EINIT] to use the LE hash MSRs when verifying the key used to sign an enclave. On CPUs without LC support, the LE hash is hardwired into the CPU to an Intel controlled key (the Intel key is also the reset value of the LE hash MSRs). Track the guest's desired hash so that a future patch can stuff the hash into the hardware MSRs when executing EINIT on behalf of the guest, when those MSRs are writable in host. Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com> Co-developed-by: Kai Huang <kai.huang@intel.com> Signed-off-by: Kai Huang <kai.huang@intel.com> Message-Id: <c58ef601ddf88f3a113add837969533099b1364a.1618196135.git.kai.huang@intel.com> [Add a comment regarding the MSRs being available until SGX is locked. - Paolo] Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>	2021-04-20 04:18:55 -04:00
Sean Christopherson	9798adbc04	KVM: VMX: Frame in ENCLS handler for SGX virtualization ... Introduce sgx.c and sgx.h, along with the framework for handling ENCLS VM-Exits. Add a bool, enable_sgx, that will eventually be wired up to a module param to control whether or not SGX virtualization is enabled at runtime. Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com> Signed-off-by: Kai Huang <kai.huang@intel.com> Message-Id: <1c782269608b2f5e1034be450f375a8432fb705d.1618196135.git.kai.huang@intel.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>	2021-04-20 04:18:55 -04:00