ok fine. Can the user mode post_send use the io virtual address with the FMR key returned by mlnx_map_phys_fmr() ?

Thanks,
Prasanna

On 1/17/2011 9:07 PM, Tzachi Dar wrote:

This function takes as a parameter an array of page physical addresses.
Supported only in kernel.

  >  -----Original Message-----
  >  From: [email protected] [mailto:ofw-
  >  [email protected]] On Behalf Of Prasanna Kumar
  >  Sent: Thursday, January 13, 2011 10:44 AM
  >  To: [email protected]
  >  Subject: [ofw] HCA fmr map
  >
  >  Hi,
  >  Few queries on FMR verbs in HCA driver:
  >
  >  1. Does mlnx_map_phys_fmr() allow mapping of user mode application
  >  virtual address or support only kernel mode non-paged virtual address.
  >  2. If it allows mapping of user mode virtual address, should the caller
  >  pin the pages or HCA driver does it?
  >
  >  Regards,
  >  Prasanna
  >
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