search for: 28c0

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2020 Apr 23
0
[PATCH 0/1] KVM support for VMD devices
On Wed, Apr 22, 2020 at 01:14:44PM -0400, Jon Derrick wrote: > The two patches (Linux & QEMU) add support for passthrough VMD devices > in QEMU/KVM. VMD device 28C0 already supports passthrough natively by > providing the Host Physical Address in a shadow register to the guest > for correct bridge programming. > > The QEMU patch emulates the 28C0 mode by creating a shadow register and > advertising its support by using QEMU's subsystem vend...
2020 May 11
0
[PATCH for QEMU v2] hw/vfio: Add VMD Passthrough Quirk
...hen presumably the bridges within the domain are scrambled because their apertures are programmed with ranges that don't map into the VMD endpoint BARs. Is that remotely correct? Some /proc/iomem output and/or lspci listing from the host to see how this works would be useful. > VMD device 28C0 natively assists passthrough by providing the Host > Physical Address in shadow registers accessible to the guest for bridge > window assignment. The shadow registers are valid if bit 1 is set in VMD > VMLOCK config register 0x70. Future VMDs will also support this feature. > Existing V...
2020 May 13
0
[PATCH for QEMU v2] hw/vfio: Add VMD Passthrough Quirk
...fffff : PCI Bus 10000:02 > 94800000-9480ffff : 10000:02:00.0 > 94810000-94813fff : 10000:02:00.0 > 94810000-94813fff : nvme > 94c00000-94ffffff : PCI Bus 10000:02 > > > MEMBAR 2 is similarly assigned > > > > > > VMD device 28C0 natively assists passthrough by providing the Host > > > Physical Address in shadow registers accessible to the guest for bridge > > > window assignment. The shadow registers are valid if bit 1 is set in VMD > > > VMLOCK config register 0x70. Future VMDs will also support...
2018 Jan 30
7
[Bug 1221] New: "fib" produces strange results with an IPv6 default route
...default qlen 1000 link/ether 00:1c:42:5c:28:c0 brd ff:ff:ff:ff:ff:ff inet 10.1.1.3/24 brd 10.1.1.255 scope global enp0s6 valid_lft forever preferred_lft forever inet6 fd11::3/64 scope global valid_lft forever preferred_lft forever inet6 fe80::21c:42ff:fe5c:28c0/64 scope link valid_lft forever preferred_lft forever The routing table for v6 looks fairly unsurprising: > ip -6 r fd00::/64 dev enp0s5 proto kernel metric 256 pref medium fd11::/64 dev enp0s6 proto kernel metric 256 pref medium fe80::/64 dev enp0s5 proto kernel metric 256 pr...
2012 Jun 24
0
nouveau _BIOS method
...2880: 94 14 06 5f 51 37 37 00 14 06 5f 51 37 39 00 14 ..._Q77..._Q79.. 2890: 06 5f 51 37 41 00 14 06 5f 51 37 44 00 14 06 5f ._Q7A..._Q7D..._ 28a0: 51 37 45 00 14 07 5f 51 38 30 00 cc 10 40 0d 5c Q7E..._Q80... at .\ 28b0: 5f 53 42 5f 5b 82 4d 08 41 44 50 31 08 5f 48 49 _SB_[.M.ADP1._HI 28c0: 44 0d 41 43 50 49 30 30 30 33 00 14 32 5f 50 53 D.ACPI0003..2_PS 28d0: 52 00 a0 11 93 45 43 4f 4e 00 70 53 45 43 42 0a R....ECON.pSECB. 28e0: 85 0a 02 60 a1 17 70 5e 5e 2f 04 50 43 49 30 4c ...`..p^^/.PCI0L 28f0: 50 43 42 48 5f 45 43 41 43 45 58 60 a4 60 14 0b PCBH_ECACEX`.`.. 2900: 5f...