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发布时间:2013-03-15 22:23:33

1.检测平台是否支持DMAR设备./drivers/pci/dmar.c->int __init early_dmar_detect(void){        acpi_status status = AE_OK;         /* if we could find DMAR table, then there are DMAR devices */ &nb.........【阅读全文】

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发布时间:2013-03-15 22:20:45

The OS needs an ACPI IVRS table to discover and use the IOMMU.Signed-off-by: Eduard - Gabriel Munteanu <eduard.munteanu at linux360.ro>--- src/acpi.c | 79 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 79 insertions(+), 0 deletions(-)diff --git a/src/acpi.c b/.........【阅读全文】

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发布时间:2013-03-15 22:18:21

1 Linux IOMMU Support  2 ===================  3   4 The architecture spec can be obtained from the below location.  5   6 http://www.intel.com/technology/virtualization/  7   8 This guide gives a quick cheat sheet for some basic understanding.  9 &nbs.........【阅读全文】

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发布时间:2013-03-14 22:58:48

This was written in February 2010, during the era of qemu-kvm 0.12.The qemu/kvm process runs mostly like a normal Linux program. It allocates its memory with normal malloc() or mmap() calls. If a guest is going to have 1GB of physical memory, qemu/kvm will effectively do a malloc(1<<30),.........【阅读全文】

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发布时间:2013-03-14 22:22:39

一.VT-d技术   把一个设备直接分配给某个虚拟机使用。  VT-d ’s Role:* I/O device assignment: flexibility to assignment, isolation and protection tothe device access.  * DMA remapping: independent address translations for different devicesassigned.* Interrupt remap.........【阅读全文】

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