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Version 2 (modified by mitty, 8 years ago) (diff)
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1. Marvell controller

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

Intel IOMMU not working for Marvell SSD Controller / Kernel & Hardware / Arch Linux Forums
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 Merge tag 'pci-v4.5-changes'
- PCI: Add function 1 DMA alias quirk for Lite-On/Plextor M6e/Marvell 88SS9183

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

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

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