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Author SHA1 Message Date
Christoph Hellwig
3be6d9b6da dma-virt: remove dma_supported and mapping_error methods 
These just duplicate the default behavior if no method is provided.

Signed-off-by: Christoph Hellwig <hch@lst.de>
 2017-06-28 06:54:41 -07:00
Bart Van Assche
551199aca1 lib/dma-virt: Add dma_virt_ops 
Several RDMA drivers (hfi1, qib and rxe) expect that ib_sge.addr
is a virtual address. Provide DMA mapping operations that are
suitable for these drivers.

Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: Joerg Roedel <jroedel@suse.de>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
 2017-01-24 12:23:35 -05:00