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Re: [Xen-devel] Physical address mapping to user space in dom0 problem

  • To: Haw-Yuan Yang <hawyuan@xxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • From: Keir Fraser <keir@xxxxxxxxxxxxx>
  • Date: Fri, 16 Mar 2007 23:31:32 +0000
  • Delivery-date: Fri, 16 Mar 2007 16:29:46 -0700
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AcdoIzqfeQYR1NQWEduwZQAWy6hiGQ==
  • Thread-topic: [Xen-devel] Physical address mapping to user space in dom0 problem



On 16/3/07 23:27, "Haw-Yuan Yang" <hawyuan@xxxxxxxxx> wrote:

Is there any alternative way to map the DMA address to user space in XEN dom0?

Mmap via /dev/mem will work. It uses direct_remap_pfn_range().

 -- Keir
 
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