Date: Tue, 26 Feb 2019 22:32:08 -0800 (PST) From: "Rodney W. Grimes" <freebsd-rwg@pdx.rh.CN85.dnsmgr.net> To: Kevin Day <toasty@dragondata.com> Cc: freebsd-virtualization@freebsd.org Subject: Re: bhyve PCIe passthrough on AMD Epyc Message-ID: <201902270632.x1R6W8ec049419@pdx.rh.CN85.dnsmgr.net> In-Reply-To: <2E994604-BD27-464D-9D8C-14FF3C987D54@dragondata.com>
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> I'm trying to get PCIe device (video card) passthrough working to a Windows bhyve VM, should this work now? No, this should not work now. > I have the device blocked off in loader.conf, and added hw.vmm.amdvi.enable="1". After doing so this is how it appears in pciconf: > > ppt0@pci0:97:0:0: class=0x030000 card=0x27173842 chip=0x128b10de rev=0xa1 hdr=0x00 > bar [10] = type Memory, range 32, base 0xe0000000, size 16777216, disabled > bar [14] = type Prefetchable Memory, range 64, base 0xfcf0000000, size 134217728, disabled > bar [1c] = type Prefetchable Memory, range 64, base 0xfcf8000000, size 33554432, disabled > bar [24] = type I/O Port, range 32, base 0x3000, size 128, disabled > cap 01[60] = powerspec 3 supports D0 D3 current D0 > cap 05[68] = MSI supports 1 message, 64 bit > cap 10[78] = PCI-Express 2 legacy endpoint max data 256(256) RO NS > link x8(x8) speed 5.0(5.0) > ecap 0002[100] = VC 1 max VC0 > ecap 0004[128] = Power Budgeting 1 > ecap 000b[600] = Vendor 1 ID 1 > > When trying to attach it to a VM with "-s 9:0,passthru,97/0/0" I get this almost immediately after it starts up: > > Assertion failed: (error == 0), function modify_bar_registration, file /usr/src/usr.sbin/bhyve/pci_emul.c, line 504. > > Also on the console I'm seeing a lot of messages like: > > ivhd0: Error: completion failed tail:0x1c0, head:0x0. > ivhd0: Dump all the commands: > [CMD0, off:0xff0] opcode= 0x1 0x304f1629 0x30 0xa5a5 > [CMD1, off:0x0] opcode= 0x1 0x304f1629 0x30 0xa5a5 > [CMD2, off:0x10] opcode= 0x1 0x304f1629 0x30 0xa5a5 > [CMD3, off:0x20] opcode= 0x1 0x304f1629 0x30 0xa5a5 > [CMD4, off:0x30] opcode= 0x1 0x304f1629 0x30 0xa5a5 > [CMD5, off:0x40] opcode= 0x1 0x304f1629 0x30 0xa5a5 > [CMD6, off:0x50] opcode= 0x1 0x304f1629 0x30 0xa5a5 > [CMD7, off:0x60] opcode= 0x2 0x6101 0x0 0x0 > [CMD8, off:0x70] opcode= 0x1 0x304f1629 0x30 0xa5a5 > [CMD9, off:0x80] opcode= 0x1 0x304f1629 0x30 0xa5a5 > [CMD10, off:0x90] opcode= 0x1 0x304f1629 0x30 0xa5a5 > [CMD11, off:0xa0] opcode= 0x1 0x304f1629 0x30 0xa5a5 > [CMD12, off:0xb0] opcode= 0x1 0x304f1629 0x30 0xa5a5 > [CMD13, off:0xc0] opcode= 0x1 0x304f1629 0x30 0xa5a5 > [CMD14, off:0xd0] opcode= 0x1 0x304f1629 0x30 0xa5a5 > [CMD15, off:0xe0] opcode= 0x1 0x304f1629 0x30 0xa5a5 > [CMD16, off:0xf0] opcode= 0x1 0x304f1629 0x30 0xa5a5 > [CMD17, off:0x100] opcode= 0x1 0x304f1629 0x30 0xa5a5 > [CMD18, off:0x110] opcode= 0x2 0x6100 0x0 0x0 > [CMD19, off:0x120] opcode= 0x1 0x304f1629 0x30 0xa5a5 > [CMD20, off:0x130] opcode= 0x1 0x304f1629 0x30 0xa5a5 > [CMD21, off:0x140] opcode= 0x1 0x304f1629 0x30 0xa5a5 > [CMD22, off:0x150] opcode= 0x1 0x304f1629 0x30 0xa5a5 > [CMD23, off:0x160] opcode= 0x1 0x304f1629 0x30 0xa5a5 > [CMD24, off:0x170] opcode= 0x1 0x304f1629 0x30 0xa5a5 > [CMD25, off:0x180] opcode= 0x1 0x304f1629 0x30 0xa5a5 > [CMD26, off:0x190] opcode= 0x1 0x304f1629 0x30 0xa5a5 > [CMD27, off:0x1a0] opcode= 0x1 0x304f1629 0x30 0xa5a5 > [CMD28, off:0x1b0] opcode= 0x1 0x304f1629 0x30 0xa5a5 > > > _______________________________________________ > freebsd-virtualization@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-virtualization > To unsubscribe, send any mail to "freebsd-virtualization-unsubscribe@freebsd.org" > -- Rod Grimes rgrimes@freebsd.org
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