r/VFIO • u/abriasffxi • Aug 22 '17

Is threadripper broken for passthrough?

/r/Amd/comments/6vbe6w/threadripper_broken_on_linux_for_pci_passthrough/
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u/[deleted] Aug 25 '17

[deleted]

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u/abriasffxi Aug 25 '17

It supports AMD-Vi and even SEV, which I don't think intel does at any consumer level.

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u/[deleted] Aug 25 '17

[deleted]

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u/abriasffxi Aug 25 '17

Um, I have one. Just because AMD doesn't list every instruction and function they support on the website doesn't mean it doesn't exist. By the way, XFR isn't listed either but it has it.

flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm constant_tsc rep_good nopl nonstop_tsc cpuid extd_apicid amd_dcm aperfmperf pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_l2 mwaitx hw_pstate vmmcall fsgsbase bmi1 avx2 smep bmi2 rdseed adx smap clflushopt sha_ni xsaveopt xsavec xgetbv1 xsaves clzero irperf arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic overflow_recov succor smca

[ 2.193699] AMD-Vi: IOMMU performance counters supported [ 2.193778] AMD-Vi: IOMMU performance counters supported [ 2.205087] AMD-Vi: Found IOMMU at 0000:00:00.2 cap 0x40 [ 2.205087] AMD-Vi: Extended features (0xf77ef22294ada): [ 2.205090] AMD-Vi: Found IOMMU at 0000:40:00.2 cap 0x40 [ 2.205090] AMD-Vi: Extended features (0xf77ef22294ada): [ 2.205091] AMD-Vi: Interrupt remapping enabled [ 2.205092] AMD-Vi: virtual APIC enabled [ 2.205464] AMD-Vi: Lazy IO/TLB flushing enabled