Re: question about user space addressed, mmap, and getting phys address

2003-11-10 Thread John-Mark Gurney
Sean McNeil wrote this message on Sat, Nov 01, 2003 at 14:40 -0800: > Sorry I am not on the list, but I was hoping someone here might be able > to help me. I have a design that I cannot change that does the > following: > > 1) Calls mmap on a chunk of memory that the device driver uses to DMA to

question about user space addressed, mmap, and getting phys address

2003-11-01 Thread Sean McNeil
Hi everyone, Sorry I am not on the list, but I was hoping someone here might be able to help me. I have a design that I cannot change that does the following: 1) Calls mmap on a chunk of memory that the device driver uses to DMA to a video decoder. 2) This chunk of memory is treated as several