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passthrough

Timestamp:: Oct 8, 2016 11:59:03 PM (8 years ago)
Author:: mitty
Comment:: --

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TipAndDoc/VM/KVM/passthrough

                       v1
+[[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
+{{{
+: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 ===
+ * [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
+{{{
+: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