Date: Tue, 23 Apr 2024 14:12:21 -0500 From: Peter Miller <feurry@gmail.com> To: "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net> Cc: freebsd-virtualization@freebsd.org Subject: Re: pci passthrough Mediatek MT7922 doesn't work Message-ID: <CAO5oKYLBE%2BA=vFLJgrxrwNYdYgyz00ZyPsNZfs=cB=NQo%2BoB6A@mail.gmail.com> In-Reply-To: <3pqs6911-7pr5-6s7q-84ro-p4p1680ps48s@yvfgf.mnoonqbm.arg> References: <CAO5oKYL%2BkcJqBnQY%2B5YP6JOd0KvQTbzBbukt85FdiOwrR_yxHA@mail.gmail.com> <3pqs6911-7pr5-6s7q-84ro-p4p1680ps48s@yvfgf.mnoonqbm.arg>
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O.K. thanks for that info.
With pptdevs="1/0/0"
Before bhyve is started.
ppt0@pci0:1:0:0: class=0x028000 rev=0x02 hdr=0x00 vendor=0x14c3
device=0x0616 subvendor=0x14c3 subdevice=0x223c
vendor = 'MEDIATEK Corp.'
device = 'MT7922 802.11ax PCI Express Wireless Network Adapter'
class = network
bar [10] = type Prefetchable Memory, range 64, base
0x7f30800000, size 1048576, enabled
bar [18] = type Memory, range 64, base 0x60900000, size 32768, enabled
cap 10[80] = PCI-Express 2 endpoint max data 128(128) FLR RO NS
max read 512
link x1(x1) speed 5.0(5.0) ASPM L1(L0s/L1) ClockPM enabled
cap 05[e0] = MSI supports 32 messages, 64 bit, vector masks
cap 01[f8] = powerspec 3 supports D0 D3 current D0
ecap 000b[100] = Vendor [1] ID 1556 Rev 1 Length 8
ecap 0018[108] = LTR 1
ecap 001e[110] = L1 PM Substates 1
ecap 0001[200] = AER 2 0 fatal 0 non-fatal 1 corrected
PCI-e errors = Correctable Error Detected
Unsupported Request Detected
Corrected = Advisory Non-Fatal Error
After bhyve is started.
ppt0@pci0:1:0:0: class=0x028000 rev=0x02 hdr=0x00 vendor=0x14c3
device=0x0616 subvendor=0x14c3 subdevice=0x223c
vendor = 'MEDIATEK Corp.'
device = 'MT7922 802.11ax PCI Express Wireless Network Adapter'
class = network
bar [10] = type Prefetchable Memory, range 64, base
0x7f30800000, size 1048576, enabled
bar [18] = type Memory, range 64, base 0x60900000, size 32768, enabled
PCI errors = Master Data Parity Error
Sent Target-Abort
Received Target-Abort
Received Master-Abort
Signalled System Error
Detected Parity Error
Now, without pptdevs. This matches the 'before bhyve' aside from the
device name.
none0@pci0:1:0:0: class=0x028000 rev=0x02 hdr=0x00 vendor=0x14c3
device=0x0616 subvendor=0x14c3 subdevice=0x223c
vendor = 'MEDIATEK Corp.'
device = 'MT7922 802.11ax PCI Express Wireless Network Adapter'
class = network
bar [10] = type Prefetchable Memory, range 64, base
0x7f30800000, size 1048576, enabled
bar [18] = type Memory, range 64, base 0x60900000, size 32768, enabled
cap 10[80] = PCI-Express 2 endpoint max data 128(128) FLR RO NS
max read 512
link x1(x1) speed 5.0(5.0) ASPM L1(L0s/L1) ClockPM enabled
cap 05[e0] = MSI supports 32 messages, 64 bit, vector masks
cap 01[f8] = powerspec 3 supports D0 D3 current D0
ecap 000b[100] = Vendor [1] ID 1556 Rev 1 Length 8
ecap 0018[108] = LTR 1
ecap 001e[110] = L1 PM Substates 1
ecap 0001[200] = AER 2 0 fatal 0 non-fatal 1 corrected
PCI-e errors = Correctable Error Detected
Unsupported Request Detected
Corrected = Advisory Non-Fatal Error
There's also this message in /var/log/messages, which appears to be
happening when pptdevs is enabled.
kernel: pci0:1:0:0: Transactions pending after FLR!
--
Thanks
Peter
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