> -----Original Message----- > From: Alex Williamson [mailto:alex.williamson@xxxxxxxxxx] > Sent: Wednesday, August 29, 2012 12:16 PM > To: Bhushan Bharat-R65777 > Cc: kvm@xxxxxxxxxxxxxxx; Avi Kivity; qemu-devel@xxxxxxxxxx > Subject: Re: Isuue assiging devices using VFIO on x86 > > On Tue, 2012-08-28 at 17:10 +0000, Bhushan Bharat-R65777 wrote: > > > > > -----Original Message----- > > > From: Alex Williamson [mailto:alex.williamson@xxxxxxxxxx] > > > Sent: Tuesday, August 28, 2012 9:27 PM > > > To: Bhushan Bharat-R65777 > > > Cc: kvm@xxxxxxxxxxxxxxx; Avi Kivity; qemu-devel@xxxxxxxxxx > > > Subject: Re: Isuue assiging devices using VFIO on x86 > > > > > > On Tue, 2012-08-28 at 09:23 +0000, Bhushan Bharat-R65777 wrote: > > > > Hi Alex, > > > > > > > > In my susyem I have following devices: > > > > > > > > I tried assigning a following PCI devices: > > > > 00:03.0 Communication controller: Intel Corporation 4 Series > > > > Chipset HECI > > > Controller (rev 03) > > > > 00:03.2 IDE interface: Intel Corporation 4 Series Chipset PT IDER > > > > Controller > > > (rev 03) > > > > 00:03.3 Serial controller: Intel Corporation 4 Series Chipset > > > > Serial KT > > > Controller (rev 03) > > > > > > > > and getting below error: > > > > > > > > --------------- > > > > Command: > > > > ------- > > > > qemu-system-x86_64 -enable-kvm -nographic -kernel > > > > /boot/vmlinuz-3.6.0-rc2+ - > > > initrd /boot/initramfs-3.6.0-rc2+.img -append "root=/dev/sda1" -m > > > 1024 -drive > > > file=/home/kvmdev/debian_squeeze_amd64_standard.qcow2 -device vfio- > > > pci,host=0000:00:03.0 -device vfio-pci,host=0000:00:03.2 -device > > > vfio- > > > pci,host=0000:00:03.3 > > > > > > > > Error prints: > > > > ---- > > > > qemu-system-x86_64: -device vfio-pci,host=0000:00:03.0: Warning, > > > > device > > > 0000:00:03.0 does not support reset > > > > > > > > qemu-system-x86_64: -device vfio-pci,host=0000:00:03.0: VFIO > > > > 0000:00:03.0 BAR > > > 0 is too small to mmap, this may affect performance. > > > > > > > > qemu-system-x86_64: -device vfio-pci,host=0000:00:03.2: Warning, > > > > device > > > 0000:00:03.2 does not support reset > > > > > > > > qemu-system-x86_64: -device vfio-pci,host=0000:00:03.3: Warning, > > > > device > > > 0000:00:03.3 does not support reset > > > > > > > > qemu: hardware error: register_ioport_read: invalid opaque for > > > > address 0x3f6 CPU #0: > > > > EAX=80000003 EBX=3ffe0e80 ECX=80000003 EDX=00000cfc ESI=00002800 > > > > EDI=80002804 EBP=00006fc0 ESP=00006f38 > > > > EIP=3ffec005 EFL=00000086 [--S--P-] CPL=0 II=0 A20=1 SMM=0 HLT=0 > > > > ES =0010 00000000 ffffffff 00c09300 DPL=0 DS [-WA] > > > > CS =0008 00000000 ffffffff 00c09b00 DPL=0 CS32 [-RA] > > > > SS =0010 00000000 ffffffff 00c09300 DPL=0 DS [-WA] > > > > DS =0010 00000000 ffffffff 00c09300 DPL=0 DS [-WA] > > > > FS =0010 00000000 ffffffff 00c09300 DPL=0 DS [-WA] > > > > GS =0010 00000000 ffffffff 00c09300 DPL=0 DS [-WA] > > > > LDT=0000 00000000 0000ffff 00008200 DPL=0 LDT TR =0000 00000000 > > > > 0000ffff 00008b00 DPL=0 TSS32-busy > > > > GDT= 000fcd68 00000037 > > > > IDT= 000fdb60 00000000 > > > > CR0=00000011 CR2=00000000 CR3=00000000 CR4=00000000 > > > > DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 > > > DR3=0000000000000000 > > > > DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000000 > > > > FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 > > > > FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 > > > > FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 > > > > FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 > > > > FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 > > > > XMM00=00000000000000000000000000000000 > > > > XMM01=00000000000000000000000000000000 > > > > XMM02=00000000000000000000000000000000 > > > > XMM03=00000000000000000000000000000000 > > > > XMM04=00000000000000000000000000000000 > > > > XMM05=00000000000000000000000000000000 > > > > XMM06=00000000000000000000000000000000 > > > > XMM07=00000000000000000000000000000000 > > > > Aborted (core dumped) > > > > > > > > -------------------- > > > > > > > > Linux: http://github.com/awilliam/linux-vfio.git next > > > > Qemu: https://github.com/awilliam/qemu-vfio.git iommu-group-vfio > > > > > > > > Any idea what's is the issue. > > > > > > Please try the vfio-pci-for-qemu-1.2-v3 qemu-vfio.git tag, I'm not > > > even sure what's in that old iommu-group-vfio branch. Thanks, > > > > Can you share the command to configure qemu? > > Nothing special: ./configure > > I sometimes set --prefix or --target-list, but nothing that changes the > binaries. Thanks, Hello Alex, I am using " ./configure --target-list=x86_64-softmmu --enable-kvm " . QEMU repo is at: commit 3b4672f6614e07f9dc0a85a12a8c89d480a2493c Author: Alex Williamson <alex.williamson@xxxxxxxxxx> Date: Tue Aug 14 14:07:19 2012 -0600 vfio: Enable vfio-pci and mark supported Signed-off-by: Alex Williamson <alex.williamson@xxxxxxxxxx> Linux Repo is at : commit d9875690d9b89a866022ff49e3fcea892345ad92 Author: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> Date: Thu Aug 16 14:51:24 2012 -0700 Linux 3.6-rc2 --------------------------- Then I bound 3 pci devices with VFIO and run below command to launch VM qemu-system-x86_64 -enable-kvm -nographic -kernel /boot/vmlinuz-3.6.0-rc2+ -initrd /boot/initramfs-3.6.0-rc2+.img -append "root=/dev/sda1" -m 1024 -drive file=/home/kvmdev/debian_squeeze_amd64_standard.qcow2 -device vfio-pci,host=0000:00:03.0 -device vfio-pci,host=0000:00:03.2 -device vfio-pci,host=0000:00:03.3 Then I was getting below errors: qemu-system-x86_64: -device vfio-pci,host=0000:00:03.0: vfio: failed to set iommu for container: Operation not permitted qemu-system-x86_64: -device vfio-pci,host=0000:00:03.0: vfio: failed to setup container for group 2 qemu-system-x86_64: -device vfio-pci,host=0000:00:03.0: vfio: failed to get group 2 qemu-system-x86_64: -device vfio-pci,host=0000:00:03.0: Device 'vfio-pci' could not be initialized --------- Then I set /sys/module/vfio_iommu_type1/parameters/allow_unsafe_interrupts = 1 And getting below error: qemu-system-x86_64: -device vfio-pci,host=0000:00:03.0: Warning, device 0000:00:03.0 does not support reset qemu-system-x86_64: -device vfio-pci,host=0000:00:03.2: Warning, device 0000:00:03.2 does not support reset qemu-system-x86_64: -device vfio-pci,host=0000:00:03.3: Warning, device 0000:00:03.3 does not support reset qemu: hardware error: register_ioport_read: invalid opaque for address 0x3f6 CPU #0: EAX=80000003 EBX=3ffe0e80 ECX=80000003 EDX=00000cfc ESI=00002800 EDI=80002804 EBP=00006fc0 ESP=00006f38 EIP=3ffec005 EFL=00000086 [--S--P-] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0010 00000000 ffffffff 00c09300 DPL=0 DS [-WA] CS =0008 00000000 ffffffff 00c09b00 DPL=0 CS32 [-RA] SS =0010 00000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0010 00000000 ffffffff 00c09300 DPL=0 DS [-WA] FS =0010 00000000 ffffffff 00c09300 DPL=0 DS [-WA] GS =0010 00000000 ffffffff 00c09300 DPL=0 DS [-WA] LDT=0000 00000000 0000ffff 00008200 DPL=0 LDT TR =0000 00000000 0000ffff 00008b00 DPL=0 TSS32-busy GDT= 000fcd68 00000037 IDT= 000fdb60 00000000 CR0=00000011 CR2=00000000 CR3=00000000 CR4=00000000 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000000 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=00000000000000000000000000000000 XMM01=00000000000000000000000000000000 XMM02=00000000000000000000000000000000 XMM03=00000000000000000000000000000000 XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 Aborted (core dumped) Thanks a lot for your help -Bharat ��.n��������+%������w��{.n�����o�^n�r������&��z�ޗ�zf���h���~����������_��+v���)ߣ�
