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CONFIG_IA64_HP_ZX1_SWIOTLB: HP-zx1/sx1000 with software I/O TLB

General informations

The Linux kernel configuration item CONFIG_IA64_HP_ZX1_SWIOTLB:

• prompt: HP-zx1/sx1000 with software I/O TLB
• type: bool
• depends on: (none)
• defined in arch/ia64/Kconfig
• found in Linux kernels: 2.6.11–2.6.39, 3.0–3.9, 3.10-rc+HEAD

Help text

Build a kernel that runs on HP zx1 and sx1000 systems even when they have broken PCI devices which cannot DMA to full 32 bits. Apart from support for the HP I/O MMU, this includes support for the software I/O TLB, which allows supporting the broken devices at the expense of wasting some kernel memory (about 2MB by default).

Hardware

LKDDb

Raw data from LKDDb:

• lkddb acpi "HPQ5001" : CONFIG_IA64_GENERIC CONFIG_IA64_HP_AML_NFW CONFIG_IA64_HP_ZX1 CONFIG_IA64_HP_ZX1_SWIOTLB : arch/ia64/hp/common/aml_nfw.c
• lkddb acpi "HWP0001" : CONFIG_IA64_GENERIC CONFIG_IA64_HP_ZX1 CONFIG_IA64_HP_ZX1_SWIOTLB : arch/ia64/hp/common/sba_iommu.c
• lkddb acpi "HWP0004" : CONFIG_IA64_GENERIC CONFIG_IA64_HP_ZX1 CONFIG_IA64_HP_ZX1_SWIOTLB : arch/ia64/hp/common/sba_iommu.c

Sources

This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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