Joachim Worringen wrote: > The problem of mapping memory from ddi_dma_mem_alloc() to userspace > seems to be persistent (see > http://forum.java.sun.com/thread.jspa?threadID=5077776 or > http://forum.java.sun.com/thread.jspa?threadID=5077633) as something > like devmap_dmamem_setup() is missing next to the existing > devmap_umem_setup() and devmap_devmem_setup(). > > The problem with the current DDI (I use SXCE 68, but the driver should > run on Solaris >= 10) is the missing umem-cookie to feed into > devmap_umem_setup(). For now, I have chosen the work-around (call it > hack) to build this cookie myself by assigning the kvaddr, size and type > myself. This seems to work, but surely isn't pretty. > > - Is there a clean workaround for this problem? How are others solving > this problem?
No, this is the cleanest workaround available today. > - Is there a RFE for this problem, or even a targeted solution? Yes... http://bugs.opensolaris.org/view_bug.do?bug_id=6358545 The code has been done for a while.. I just need to do the documentation and ARC work... MRJ -- Mark Johnson <[EMAIL PROTECTED]> Sun Microsystems, Inc. (781) 442-0869 _______________________________________________ driver-discuss mailing list driver-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/driver-discuss
