I have tried booting latest -current snapshot on 2019 macbook pro 16,
and noticed that nvme driver didn't attach, as class reported is
0x018002 and not 0x010802 that we expect in nvme_pci.c.
The following linux changes seem to be related:
https://github.com/torvalds/linux/commit/66341331ba0d2de4ff421cdc401a1e34de50502a
https://github.com/torvalds/linux/commit/d38e9f04ebf667d9cb8185b45bff747485f1d3e9
I have tried adding the exact PCI IDs, but that also fails as number of
msix vectors seems to be 0 in nvme_ctrlr_setup_interrupts() and
nvme_ctrlr_configure_intx() fails with "unable to allocate shared IRQ".
Any hints on how to proceed here?
pciconf excerpt:
none7@pci0:4:0:0: class=0x018002 rev=0x01 hdr=0x00 vendor=0x106b
device=0x2005 subvendor=0x106b subdevice=0x1800
vendor = "Apple Inc."
device = "ANS2 NVMe Controller"
class = mass storage
bar [10] = type Prefetchable Memory, range 64, base 0xc0400000,
size 419304, enabled
bar [18] = type Prefetchable Memory, range 64, base 0xc1400000,
size 524288, enabled
bar [20] = type Prefetchable Memory, range 64, base 0xc1600000,
size 65536, enabled
cap 01[40] = powerspec 3 supports D0 D3 current D0
cap 05[50] = MSI supports 8 messages, 64 bit
cap 10[70] = PCI-Express 2 endpoint max data 256(256) RO NS
link x4(x4) speed 8.0(8.0) ASPM L1(L1) ClockPM enabled
ecap 0001[100] = AER 2 0 fatal 0 non-fatal 1 corrected
ecap 0019[148] = PCIe Sec 1 lane errors 0
ecap 0018[168] = LTR 1
ecap 001e[170] = L1 PM Substated 1
ecap 000b[180] = Vendor [1] ID 0002 Rev 1 Length 256
ecap 0015[280] = Resizable BAR 1
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