<div dir="ltr">Have you looked at the uio driver examples?<div><br></div><div>Also, LDD3 may be old, but the API is at least still relevant. The explanation is too long to include here, but the book is free :D</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Oct 15, 2015 at 11:53 PM, sahlot arvind <span dir="ltr"><<a href="mailto:asahlot@gmail.com" target="_blank">asahlot@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div style="font-size:12.8px"><div><div><div>Hi,<br></div><div><br></div>Is there an API kernel exposes to use for a driver in order to reserve physical address space?<br></div>I mean I want to reserve 5GB (or more if allowed) of contiguous physical address space anywhere in the address range (wherever it is available.. doesn't matter) and then I want to map that physical address range in the kernel to get a virtual address so that my driver can dereference that virtual pointer to access the mapped physical address range.<br></div><br></div><span style="font-size:12.8px">Thanks in advance!</span><span class="HOEnZb"><font color="#888888"><br>
<div><span style="font-size:12.8px">Sahlot</span></div></font></span></div>
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