bhyve iommu passthru ath0

[Ka Ho Ng]

On 4/5/21 8:35 pm, infoomatic wrote:
> fyi: I gave 13.0-RC4 a try, but this did not work out neither...
> 
> 
> On 28.03.21 21:56, infoomatic wrote:
>> Hi all,
>>
>> I own a pcengines apu2e4 where bhyve passthru is working in general.
>> Passing through the i210AT NICs works fine. However, I bought a Compex
>> WLE200NX a/b/g/n miniPCI card which is based on the Qualcomm Atheros
>> AR9280 chip I also want to pass through.
>>
>> On the host I am running 12.2-RELEASE-p5.
>>
>> my loader.conf:
>>
>> hw.vmm.amdvi.enable=1
>> vmm_load="YES"
>> pptdevs="1/0/0 3/0/0 4/0/0"
>> hw.vmm.iommu.enable=1
>>
>>
>> pciconf -lv gives (relevant info; with igb0 used on the host):
>>
>> ppt0 at pci0:1:0:0:    class=0x028000 card=0x3099168c chip=0x002a168c
>> rev=0x01 hdr=0x00
>>      vendor     = 'Qualcomm Atheros'
>>      device     = 'AR928X Wireless Network Adapter (PCI-Express)'
>>      class      = network
>> igb0 at pci0:2:0:0:    class=0x020000 card=0x00008086 chip=0x157b8086
>> rev=0x03 hdr=0x00
>>      vendor     = 'Intel Corporation'
>>      device     = 'I210 Gigabit Network Connection'
>>      class      = network
>>      subclass   = ethernet
>> ppt1 at pci0:3:0:0:    class=0x020000 card=0x00008086 chip=0x157b8086
>> rev=0x03 hdr=0x00
>>      vendor     = 'Intel Corporation'
>>      device     = 'I210 Gigabit Network Connection'
>>      class      = network
>>      subclass   = ethernet
>> ppt2 at pci0:4:0:0:    class=0x020000 card=0x00008086 chip=0x157b8086
>> rev=0x03 hdr=0x00
>>      vendor     = 'Intel Corporation'
>>      device     = 'I210 Gigabit Network Connection'
>>      class      = network
>>      subclass   = ethernet
>>
>>
>> in my vm-bhyve config I have
>> passthru0="1/0/0"
>> passthru1="4/0/0"
>>
>>
>> which works nicely with the i210 adapter, but not with the wifi adapter.
>> The wifi adapter also works when not passing through and using it via
>> the host. In the VM (tried both the 12.2-RELEASE and 13.0-RC3), I have
>> tried to load/unload various modules (or e.g. tried
>> dev.ath.0.hal.force_full_reset=1), I do not get any connections, wifi
>> scans/lists do not work. Other configurations result in "ath0: Device
>> timeout" or in "wlan0: CTRL-EVENT-SCAN-FAILED ret=-1 retry=1".
>>
>>
>> Any ideas how to resolve that?
>>
>>
>> Regards,
>>
>> Robert
>>
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Could you cherry-pick the follow commits and see if they works?
ede14736fd6d74db0374f4a233491ad5dc0e9b1d 
74ada297e8978b8efda3dffdd1bb24aee7c5faa4 
cf76495e0a30043503ef126f0a485e314730a221 
03efa462b2ab3ae8166598363e9e83d4e5cf0398

Ka Ho