[ofw] HCA fmr map

Tzachi Dar tzachid at mellanox.co.il
Mon Jan 17 07:37:44 PST 2011



This function takes as a parameter an array of page physical addresses.
Supported only in kernel.
 
 > -----Original Message-----
 > From: ofw-bounces at lists.openfabrics.org [mailto:ofw-
 > bounces at lists.openfabrics.org] On Behalf Of Prasanna Kumar
 > Sent: Thursday, January 13, 2011 10:44 AM
 > To: ofw at lists.openfabrics.org
 > 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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 > ofw at lists.openfabrics.org
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