全部博文（254）
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】
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】
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】
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】
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】
