[[PageOutline]] * [http://mzyy94.com/blog/2014/12/12/kvm-intel-hd-graphics-passthrough/ KVMでQSVするためIntel HD Graphicsパススルーするー - 犬アイコンのみっきー] * [http://www.slideshare.net/takumanakajima90/csstudy15 もしCloudStackのKVMホストでPCIパススルーできるようになったら] * [http://ubuntuforums.org/showthread.php?t=2262280 (ubuntu) Ubuntu 14.04 KVM VGA Passthrough Nvidia GTX "How To"] * [http://www.firewing1.com/howtos/fedora-20/create-gaming-virtual-machine-using-vfio-pci-passthrough-kvm Create a gaming virtual machine using VFIO PCI passthrough for KVM | Fedora 20 | How-to guide | firewing1] * [http://www.nexia.jp/server/1802/ KVM PCIパススルー (PCI PassThrough) | nexia inc] * [http://blog.livedoor.jp/karamine/archives/1726234.html GPUパススルー : karamineのブログ] [http://blog.livedoor.jp/karamine/archives/cat_50039.html 一連の続き]がある * [http://www.goodnai.com/blog/2013/04/08/win7-on-centos6-4kvm%E3%81%A7radeon-hd-6670%E3%81%AB%E3%82%88%E3%82%8Bgpu%E3%82%A8%E3%83%B3%E3%82%B3%E3%83%BC%E3%83%89%EF%BC%88ati-stream%EF%BC%89/ Win7 on CentOS6.4+KVMでRadeon HD 6670によるGPUエンコード(ATI Stream) | Kung Noi Blog] * [http://yujilow1220.github.io/blog/Cloud/vga-passthrough-on-kvm-on-fedora-20/ Fedora 20上のKVMでVGAパススルーをやってみた - Yujilow's Note] * [http://seesaawiki.jp/w/kou1okada/d/Linux%20-%20PCI-PassThrough Linux - PCI-PassThrough - PIB] * [https://bbs.archlinux.org/viewtopic.php?id=162768 KVM VGA-Passthrough using the new vfio-vga support in kernel =>3.9 / Community Contributions / Arch Linux Forums] * QEMUの引数に追加されるものの例 {{{ 01:00.0 Multimedia controller [0480]: Altera Corporation Device [1172:4c15] (rev 01) }}} {{{ -device vfio-pci,host=01:00.0,id=hostdev0,bus=pci.0,addr=0x9 }}} == Marvell controller == * [https://bbs.archlinux.org/viewtopic.php?id=185182 Intel IOMMU not working for Marvell SSD Controller / Kernel & Hardware / Arch Linux Forums] * [https://bugzilla.kernel.org/show_bug.cgi?id=42679 Bug 42679 – DMA Read on Marvell 88SE9128 fails when Intel's IOMMU is on] * https://bugzilla.kernel.org/show_bug.cgi?id=42679#c94 {{{Note, for google: this is the controller embedded in the Plextor m6e M.2 SSD}}} * http://lxr.free-electrons.com/source/drivers/pci/quirks.c#L3570 === Plextor M6e === * 修正済み * Kernel 4.5で修正された [https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d43421565bf0510d35e6a39ebf96586ad486f3aa Merge tag 'pci-v4.5-changes'] * [https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8b9b963e55a8a8eadf604c0d60b97249c468e706 PCI: Add function 1 DMA alias quirk for Lite-On/Plextor M6e/Marvell 88SS9183] * [https://bbs.archlinux.org/viewtopic.php?id=185182 Intel IOMMU not working for Marvell SSD Controller / Kernel & Hardware / Arch Linux Forums] * PX-G128M6e * lspci -nnv {{{ 02:00.0 SATA controller [0106]: Lite-On IT Corp. / Plextor M6e PCI Express SSD [Marvell 88SS9183] [1c28:0122] (rev 14) (prog-if 01 [AHCI 1.0]) Subsystem: Marvell Technology Group Ltd. Device [1b4b:9183] }}} * root@archiso ~ # uname -a {{{ Linux archiso 4.0.4-2-ARCH #1 SMP PREEMPT Fri May 22 03:05:23 UTC 2015 x86_64 GNU/Linux }}} * root@archiso ~ # cat /proc/cmdline {{{ BOOT_IMAGE=boot/x86_64/vmlinuz archisobasedir=arch archisolabel=ARCH_201506 initrd=boot/intel_ucode.img,boot/x86_64/archiso.img intel_iommu=on }}} * root@archiso ~ # dmesg|grep -i -e DMAR -e IOMMU {{{ [ 0.000000] Command line: BOOT_IMAGE=boot/x86_64/vmlinuz archisobasedir=arch archisolabel=ARCH_201506 initrd=boot/intel_ucode.img,boot/x86_64/archiso.img intel_iommu=on [ 0.000000] ACPI: DMAR 0x00000000DAC6CED0 0000B8 (v01 INTEL BDW 00000001 INTL 00000001) [ 0.000000] Kernel command line: BOOT_IMAGE=boot/x86_64/vmlinuz archisobasedir=arch archisolabel=ARCH_201506 initrd=boot/intel_ucode.img,boot/x86_64/archiso.img intel_iommu=on [ 0.000000] Intel-IOMMU: enabled [ 0.086964] dmar: Host address width 39 [ 0.086969] dmar: DRHD base: 0x000000fed90000 flags: 0x0 [ 0.086987] dmar: IOMMU 0: reg_base_addr fed90000 ver 1:0 cap c0000020660462 ecap f0101a [ 0.086990] dmar: DRHD base: 0x000000fed91000 flags: 0x1 [ 0.087000] dmar: IOMMU 1: reg_base_addr fed91000 ver 1:0 cap d2008c20660462 ecap f010da [ 0.087003] dmar: RMRR base: 0x000000dbe7b000 end: 0x000000dbe89fff [ 0.087006] dmar: RMRR base: 0x000000dd000000 end: 0x000000df1fffff [ 0.087011] IOAPIC id 8 under DRHD base 0xfed91000 IOMMU 1 [ 7.370829] DMAR: No ATSR found [ 7.371048] IOMMU: dmar0 using Queued invalidation [ 7.371051] IOMMU: dmar1 using Queued invalidation [ 7.371056] IOMMU: Setting RMRR: [ 7.371083] IOMMU: Setting identity map for device 0000:00:02.0 [0xdd000000 - 0xdf1fffff] [ 7.371527] IOMMU: Setting identity map for device 0000:00:14.0 [0xdbe7b000 - 0xdbe89fff] [ 7.371577] IOMMU: Setting identity map for device 0000:00:1a.0 [0xdbe7b000 - 0xdbe89fff] [ 7.371616] IOMMU: Setting identity map for device 0000:00:1d.0 [0xdbe7b000 - 0xdbe89fff] [ 7.371644] IOMMU: Prepare 0-16MiB unity mapping for LPC [ 7.371661] IOMMU: Setting identity map for device 0000:00:1f.0 [0x0 - 0xffffff] [ 7.673577] [drm] DMAR active, disabling use of stolen memory [ 7.673740] dmar: DRHD: handling fault status reg 2 [ 7.673744] dmar: DMAR:[DMA Write] Request device [02:00.1] fault addr fffe0000 DMAR:[fault reason 02] Present bit in context entry is clear [ 7.986473] dmar: DRHD: handling fault status reg 3 [ 7.986493] dmar: DMAR:[DMA Write] Request device [02:00.1] fault addr fffe0000 DMAR:[fault reason 02] Present bit in context entry is clear [ 9.337664] dmar: DRHD: handling fault status reg 2 [ 9.337683] dmar: DMAR:[DMA Write] Request device [00:02.0] fault addr 74ff240000 DMAR:[fault reason 05] PTE Write access is not set [ 12.985456] dmar: DRHD: handling fault status reg 2 [ 12.985519] dmar: DMAR:[DMA Write] Request device [02:00.1] fault addr fffe0000 DMAR:[fault reason 02] Present bit in context entry is clear [ 13.298243] dmar: DRHD: handling fault status reg 3 [ 13.298307] dmar: DMAR:[DMA Write] Request device [02:00.1] fault addr fffe0000 DMAR:[fault reason 02] Present bit in context entry is clear [ 18.297124] dmar: DRHD: handling fault status reg 2 [ 18.297152] dmar: DMAR:[DMA Write] Request device [02:00.1] fault addr fffe0000 DMAR:[fault reason 02] Present bit in context entry is clear [ 18.609924] dmar: DRHD: handling fault status reg 3 [ 18.609971] dmar: DMAR:[DMA Write] Request device [02:00.1] fault addr fffe0000 DMAR:[fault reason 02] Present bit in context entry is clear [ 23.608862] dmar: DRHD: handling fault status reg 2 [ 23.608924] dmar: DMAR:[DMA Write] Request device [02:00.1] fault addr fffe0000 DMAR:[fault reason 02] Present bit in context entry is clear }}} * PX-G128M6eを取り外すと以下のようになる {{{ [ 0.000000] Command line: BOOT_IMAGE=/vmlinuz-linux root=UUID=0f566cb2-aec8-4122-a80a-f2e5f48e4426 rw intel_iommu=on [ 0.000000] ACPI: DMAR 0x00000000DAC6CED0 0000B8 (v01 INTEL BDW 00000001 INTL 00000001) [ 0.000000] Kernel command line: BOOT_IMAGE=/vmlinuz-linux root=UUID=0f566cb2-aec8-4122-a80a-f2e5f48e4426 rw intel_iommu=on [ 0.000000] Intel-IOMMU: enabled [ 0.107383] dmar: Host address width 39 [ 0.107388] dmar: DRHD base: 0x000000fed90000 flags: 0x0 [ 0.107406] dmar: IOMMU 0: reg_base_addr fed90000 ver 1:0 cap c0000020660462 ecap f0101a [ 0.107409] dmar: DRHD base: 0x000000fed91000 flags: 0x1 [ 0.107419] dmar: IOMMU 1: reg_base_addr fed91000 ver 1:0 cap d2008c20660462 ecap f010da [ 0.107422] dmar: RMRR base: 0x000000dbe7b000 end: 0x000000dbe89fff [ 0.107425] dmar: RMRR base: 0x000000dd000000 end: 0x000000df1fffff [ 0.107430] IOAPIC id 8 under DRHD base 0xfed91000 IOMMU 1 [ 0.677861] DMAR: No ATSR found [ 0.678093] IOMMU: dmar0 using Queued invalidation [ 0.678096] IOMMU: dmar1 using Queued invalidation [ 0.678100] IOMMU: Setting RMRR: [ 0.678127] IOMMU: Setting identity map for device 0000:00:02.0 [0xdd000000 - 0xdf1fffff] [ 0.678608] IOMMU: Setting identity map for device 0000:00:14.0 [0xdbe7b000 - 0xdbe89fff] [ 0.678655] IOMMU: Setting identity map for device 0000:00:1a.0 [0xdbe7b000 - 0xdbe89fff] [ 0.678697] IOMMU: Setting identity map for device 0000:00:1d.0 [0xdbe7b000 - 0xdbe89fff] [ 0.678725] IOMMU: Prepare 0-16MiB unity mapping for LPC [ 0.678743] IOMMU: Setting identity map for device 0000:00:1f.0 [0x0 - 0xffffff] [ 4.326005] [drm] DMAR active, disabling use of stolen memory }}} === patch === * [https://lkml.org/lkml/2015/2/2/226 LKML: Tim Sander: (PATCH) 3.19-rc7: add quirk for 1c28:0122 (rev 14) SATA controller] * linux-stable-v4.0.5.patch {{{ diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 85f247e..a78b225 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -3595,6 +3595,10 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_TTI, 0x0642, DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_JMICRON, PCI_DEVICE_ID_JMICRON_JMB388_ESD, quirk_dma_func1_alias); +/* https://bugzilla.kernel.org/show_bug.cgi?id=42679#c94 */ +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_LITE_ON, + PCI_DEVICE_ID_PLEXTOR_M6E, + quirk_dma_func1_alias); /* * Some devices DMA with the wrong devfn, not just the wrong function. diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h index e63c02a..1607b20 100644 --- a/include/linux/pci_ids.h +++ b/include/linux/pci_ids.h @@ -2487,6 +2487,9 @@ #define PCI_VENDOR_ID_ASMEDIA 0x1b21 +#define PCI_VENDOR_ID_LITE_ON 0x1c28 +#define PCI_DEVICE_ID_PLEXTOR_M6E 0x0122 + #define PCI_VENDOR_ID_CIRCUITCO 0x1cc8 #define PCI_SUBSYSTEM_ID_CIRCUITCO_MINNOWBOARD 0x0001 }}} * 4.0.xでも正常に動作することを確認 * twitter:mittyorz/status/608644911533936642 * https://bugzilla.kernel.org/show_bug.cgi?id=42679#c114 === patched at vanilla v4.5 === * ArchLinux 4.7.6-1 * mitty@zankan:~ $ cat /proc/cmdline {{{ BOOT_IMAGE=/vmlinuz-linux root=UUID=0f566cb2-aec8-4122-a80a-f2e5f48e4426 rw intel_iommu=on }}} * mitty@zankan:~ $ dmesg | grep -i -e dmar -e iommu {{{ [ 0.000000] Command line: BOOT_IMAGE=/vmlinuz-linux root=UUID=0f566cb2-aec8-4122-a80a-f2e5f48e4426 rw intel_iommu=on [ 0.000000] ACPI: DMAR 0x00000000CCC6CED0 0000B8 (v01 INTEL BDW 00000001 INTL 00000001) [ 0.000000] Kernel command line: BOOT_IMAGE=/vmlinuz-linux root=UUID=0f566cb2-aec8-4122-a80a-f2e5f48e4426 rw intel_iommu=on [ 0.000000] DMAR: IOMMU enabled [ 0.117757] DMAR: Host address width 39 [ 0.117761] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 [ 0.117777] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap c0000020660462 ecap f0101a [ 0.117780] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 [ 0.117789] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c20660462 ecap f010da [ 0.117792] DMAR: RMRR base: 0x000000cde7b000 end: 0x000000cde89fff [ 0.117795] DMAR: RMRR base: 0x000000cf000000 end: 0x000000df1fffff [ 0.117800] DMAR-IR: IOAPIC id 8 under DRHD base 0xfed91000 IOMMU 1 [ 0.117803] DMAR-IR: HPET id 0 under DRHD base 0xfed91000 [ 0.117806] DMAR-IR: x2apic is disabled because BIOS sets x2apic opt out bit. [ 0.117809] DMAR-IR: Use 'intremap=no_x2apic_optout' to override the BIOS setting. [ 0.118430] DMAR-IR: Enabled IRQ remapping in xapic mode [ 1.342954] DMAR: No ATSR found [ 1.344511] DMAR: dmar0: Using Queued invalidation [ 1.344523] DMAR: dmar1: Using Queued invalidation [ 1.344578] DMAR: Setting RMRR: [ 1.344677] DMAR: Setting identity map for device 0000:00:02.0 [0xcf000000 - 0xdf1fffff] [ 1.347788] DMAR: Setting identity map for device 0000:00:14.0 [0xcde7b000 - 0xcde89fff] [ 1.347891] DMAR: Setting identity map for device 0000:00:1a.0 [0xcde7b000 - 0xcde89fff] [ 1.347997] DMAR: Setting identity map for device 0000:00:1d.0 [0xcde7b000 - 0xcde89fff] [ 1.348026] DMAR: Prepare 0-16MiB unity mapping for LPC [ 1.348108] DMAR: Setting identity map for device 0000:00:1f.0 [0x0 - 0xffffff] [ 1.348350] DMAR: Intel(R) Virtualization Technology for Directed I/O [ 1.348477] iommu: Adding device 0000:00:00.0 to group 0 [ 1.348511] iommu: Adding device 0000:00:01.0 to group 1 [ 1.348531] iommu: Adding device 0000:00:02.0 to group 2 [ 1.348552] iommu: Adding device 0000:00:03.0 to group 3 [ 1.348573] iommu: Adding device 0000:00:14.0 to group 4 [ 1.348601] iommu: Adding device 0000:00:16.0 to group 5 [ 1.348621] iommu: Adding device 0000:00:19.0 to group 6 [ 1.348642] iommu: Adding device 0000:00:1a.0 to group 7 [ 1.348663] iommu: Adding device 0000:00:1b.0 to group 8 [ 1.348684] iommu: Adding device 0000:00:1c.0 to group 9 [ 1.348708] iommu: Adding device 0000:00:1d.0 to group 10 [ 1.348747] iommu: Adding device 0000:00:1f.0 to group 11 [ 1.348767] iommu: Adding device 0000:00:1f.2 to group 11 [ 1.348788] iommu: Adding device 0000:00:1f.3 to group 11 [ 1.348799] iommu: Adding device 0000:01:00.0 to group 1 [ 1.348821] iommu: Adding device 0000:02:00.0 to group 12 [ 2.719372] [drm] DMAR active, disabling use of stolen memory }}}