3  * cpuid support routines
24 #include "cpuid.h"
195 			     struct kvm_cpuid *cpuid,  in kvm_vcpu_ioctl_set_cpuid()  argument
202 	if (cpuid->nent > KVM_MAX_CPUID_ENTRIES)  in kvm_vcpu_ioctl_set_cpuid()
205 	if (cpuid->nent) {  in kvm_vcpu_ioctl_set_cpuid()
208 					   cpuid->nent));  in kvm_vcpu_ioctl_set_cpuid()
213 				   cpuid->nent * sizeof(struct kvm_cpuid_entry)))  in kvm_vcpu_ioctl_set_cpuid()
216 	for (i = 0; i < cpuid->nent; i++) {  in kvm_vcpu_ioctl_set_cpuid()
228 	vcpu->arch.cpuid_nent = cpuid->nent;  in kvm_vcpu_ioctl_set_cpuid()
240 			      struct kvm_cpuid2 *cpuid,  in kvm_vcpu_ioctl_set_cpuid2()  argument
246 	if (cpuid->nent > KVM_MAX_CPUID_ENTRIES)  in kvm_vcpu_ioctl_set_cpuid2()
250 			   cpuid->nent * sizeof(struct kvm_cpuid_entry2)))  in kvm_vcpu_ioctl_set_cpuid2()
252 	vcpu->arch.cpuid_nent = cpuid->nent;  in kvm_vcpu_ioctl_set_cpuid2()
261 			      struct kvm_cpuid2 *cpuid,  in kvm_vcpu_ioctl_get_cpuid2()  argument
267 	if (cpuid->nent < vcpu->arch.cpuid_nent)  in kvm_vcpu_ioctl_get_cpuid2()
276 	cpuid->nent = vcpu->arch.cpuid_nent;  in kvm_vcpu_ioctl_get_cpuid2()
342 	/* cpuid 1.edx */  in __do_cpuid_ent()
352 	/* cpuid 0x80000001.edx */  in __do_cpuid_ent()
362 	/* cpuid 1.ecx */  in __do_cpuid_ent()
365 		 * but *not* advertised to guests via CPUID ! */  in __do_cpuid_ent()
374 	/* cpuid 0x80000001.ecx */  in __do_cpuid_ent()
382 	/* cpuid 0x80000008.ebx */  in __do_cpuid_ent()
387 	/* cpuid 0xC0000001.edx */  in __do_cpuid_ent()
393 	/* cpuid 7.0.ebx */  in __do_cpuid_ent()
401 	/* cpuid 0xD.1.eax */  in __do_cpuid_ent()
405 	/* cpuid 7.0.ecx*/  in __do_cpuid_ent()
412 	/* cpuid 7.0.edx*/  in __do_cpuid_ent()
442 	/* function 2 entries are STATEFUL. That is, repeated cpuid commands  in __do_cpuid_ent()
658 		/* invariant TSC is CPUID.80000007H:EDX[8] */  in __do_cpuid_ent()
675 		 * hardware cpuid  in __do_cpuid_ent()
701 	/*Add support for Centaur's CPUID instruction*/  in __do_cpuid_ent()
783 int kvm_dev_ioctl_get_cpuid(struct kvm_cpuid2 *cpuid,  in kvm_dev_ioctl_get_cpuid()  argument
798 	if (cpuid->nent < 1)  in kvm_dev_ioctl_get_cpuid()
800 	if (cpuid->nent > KVM_MAX_CPUID_ENTRIES)  in kvm_dev_ioctl_get_cpuid()
801 		cpuid->nent = KVM_MAX_CPUID_ENTRIES;  in kvm_dev_ioctl_get_cpuid()
803 	if (sanity_check_entries(entries, cpuid->nent, type))  in kvm_dev_ioctl_get_cpuid()
808 					   cpuid->nent));  in kvm_dev_ioctl_get_cpuid()
820 				&nent, cpuid->nent, type);  in kvm_dev_ioctl_get_cpuid()
829 		for (func = ent->func + 1; func <= limit && nent < cpuid->nent && r == 0; ++func)  in kvm_dev_ioctl_get_cpuid()
831 				     &nent, cpuid->nent, type);  in kvm_dev_ioctl_get_cpuid()
841 	cpuid->nent = nent;  in kvm_dev_ioctl_get_cpuid()
908  * This is to satisfy the CPUID specification.