Date: Tue, 10 Oct 2017 08:23:19 +0000 (UTC) From: Sepherosa Ziehau <sephe@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r324488 - in head/sys/dev/hyperv: include vmbus Message-ID: <201710100823.v9A8NJ28065767@repo.freebsd.org>
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Author: sephe Date: Tue Oct 10 08:23:19 2017 New Revision: 324488 URL: https://svnweb.freebsd.org/changeset/base/324488 Log: hyperv/vmbus: Expose Hyper-V major version. MFC after: 3 days Sponsored by: Microsoft Modified: head/sys/dev/hyperv/include/hyperv.h head/sys/dev/hyperv/vmbus/hyperv.c Modified: head/sys/dev/hyperv/include/hyperv.h ============================================================================== --- head/sys/dev/hyperv/include/hyperv.h Tue Oct 10 08:16:55 2017 (r324487) +++ head/sys/dev/hyperv/include/hyperv.h Tue Oct 10 08:23:19 2017 (r324488) @@ -90,6 +90,7 @@ int hyperv_guid2str(const struct hyperv_guid *, char */ extern hyperv_tc64_t hyperv_tc64; extern u_int hyperv_features; /* CPUID_HV_MSR_ */ +extern u_int hyperv_ver_major; #endif /* _KERNEL */ Modified: head/sys/dev/hyperv/vmbus/hyperv.c ============================================================================== --- head/sys/dev/hyperv/vmbus/hyperv.c Tue Oct 10 08:16:55 2017 (r324487) +++ head/sys/dev/hyperv/vmbus/hyperv.c Tue Oct 10 08:23:19 2017 (r324488) @@ -77,6 +77,8 @@ static u_int hyperv_get_timecount(struct timecounter static bool hyperv_identify(void); static void hypercall_memfree(void); +u_int hyperv_ver_major; + u_int hyperv_features; u_int hyperv_recommends; @@ -169,8 +171,9 @@ hyperv_identify(void) hyperv_features3 = regs[3]; do_cpuid(CPUID_LEAF_HV_IDENTITY, regs); + hyperv_ver_major = regs[1] >> 16; printf("Hyper-V Version: %d.%d.%d [SP%d]\n", - regs[1] >> 16, regs[1] & 0xffff, regs[0], regs[2]); + hyperv_ver_major, regs[1] & 0xffff, regs[0], regs[2]); printf(" Features=0x%b\n", hyperv_features, "\020"
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