In message: <[EMAIL PROTECTED]@promisechina.com>
<[EMAIL PROTECTED]> writes:
: To access sg_table in kernel address, I need to map the starting physical
: address of a segment into a kernel address. As I know that, we can use
: phystovirt()/bustovirt(), or kmap()/kmap_atomic() to map a bus/physical
: address or a physical page into a kernel address in Linux, but I did not
: find such a function in FreeBSD. Please help me on this, it is very urgent!
Use busdma.
Warner
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