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| author | Xiaoyao Li <xiaoyao.li@intel.com> | 2025-05-08 10:59:37 -0400 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2025-05-28 19:35:54 +0200 |
| commit | 8583c53e2b619b1b9569d3f2d3f3cb2904a573ad (patch) | |
| tree | 69acb540e12dd88411585946829dc22a27bc3b4c | |
| parent | 77b5403a0298a5460554f768a2098fd21588e555 (diff) | |
| download | qemu-8583c53e2b619b1b9569d3f2d3f3cb2904a573ad.zip qemu-8583c53e2b619b1b9569d3f2d3f3cb2904a573ad.tar.gz qemu-8583c53e2b619b1b9569d3f2d3f3cb2904a573ad.tar.bz2 | |
i386/cpu: introduce x86_confidential_guest_cpu_instance_init()
To allow execute confidential guest specific cpu init operations.
Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Link: https://lore.kernel.org/r/20250508150002.689633-32-xiaoyao.li@intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
| -rw-r--r-- | target/i386/confidential-guest.h | 11 | ||||
| -rw-r--r-- | target/i386/cpu.c | 8 |
2 files changed, 19 insertions, 0 deletions
diff --git a/target/i386/confidential-guest.h b/target/i386/confidential-guest.h index 164be76..a86c42a 100644 --- a/target/i386/confidential-guest.h +++ b/target/i386/confidential-guest.h @@ -39,6 +39,7 @@ struct X86ConfidentialGuestClass { /* <public> */ int (*kvm_type)(X86ConfidentialGuest *cg); + void (*cpu_instance_init)(X86ConfidentialGuest *cg, CPUState *cpu); uint32_t (*mask_cpuid_features)(X86ConfidentialGuest *cg, uint32_t feature, uint32_t index, int reg, uint32_t value); }; @@ -59,6 +60,16 @@ static inline int x86_confidential_guest_kvm_type(X86ConfidentialGuest *cg) } } +static inline void x86_confidential_guest_cpu_instance_init(X86ConfidentialGuest *cg, + CPUState *cpu) +{ + X86ConfidentialGuestClass *klass = X86_CONFIDENTIAL_GUEST_GET_CLASS(cg); + + if (klass->cpu_instance_init) { + klass->cpu_instance_init(cg, cpu); + } +} + /** * x86_confidential_guest_mask_cpuid_features: * diff --git a/target/i386/cpu.c b/target/i386/cpu.c index 9689f63..4a7c319 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -37,6 +37,7 @@ #include "hw/i386/topology.h" #include "exec/watchpoint.h" #ifndef CONFIG_USER_ONLY +#include "confidential-guest.h" #include "system/reset.h" #include "qapi/qapi-commands-machine-target.h" #include "system/address-spaces.h" @@ -8543,6 +8544,13 @@ static void x86_cpu_post_initfn(Object *obj) } accel_cpu_instance_init(CPU(obj)); + +#ifndef CONFIG_USER_ONLY + if (current_machine && current_machine->cgs) { + x86_confidential_guest_cpu_instance_init( + X86_CONFIDENTIAL_GUEST(current_machine->cgs), (CPU(obj))); + } +#endif } static void x86_cpu_init_default_topo(X86CPU *cpu) |