hyperv/vmbus: Expose Hyper-V major version.
MFC after: 3 days Sponsored by: Microsoft
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svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=324488
@ -90,6 +90,7 @@ int hyperv_guid2str(const struct hyperv_guid *, char *,
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*/
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extern hyperv_tc64_t hyperv_tc64;
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extern u_int hyperv_features; /* CPUID_HV_MSR_ */
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extern u_int hyperv_ver_major;
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#endif /* _KERNEL */
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@ -77,6 +77,8 @@ static u_int hyperv_get_timecount(struct timecounter *);
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static bool hyperv_identify(void);
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static void hypercall_memfree(void);
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u_int hyperv_ver_major;
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u_int hyperv_features;
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u_int hyperv_recommends;
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@ -169,8 +171,9 @@ hyperv_identify(void)
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hyperv_features3 = regs[3];
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do_cpuid(CPUID_LEAF_HV_IDENTITY, regs);
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hyperv_ver_major = regs[1] >> 16;
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printf("Hyper-V Version: %d.%d.%d [SP%d]\n",
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regs[1] >> 16, regs[1] & 0xffff, regs[0], regs[2]);
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hyperv_ver_major, regs[1] & 0xffff, regs[0], regs[2]);
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printf(" Features=0x%b\n", hyperv_features,
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"\020"
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