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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