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(parent: 7844572) | patch
lib/dma-virt: Add dma_virt_ops
authorBart Van Assche <bart.vanassche@sandisk.com>
Fri, 20 Jan 2017 21:04:07 +0000 (13:04 -0800)
committerDoug Ledford <dledford@redhat.com>
Tue, 24 Jan 2017 17:23:35 +0000 (12:23 -0500)
commit551199aca1c3102ebed390566d681cc1290284ca
treea093ec747368b2b0fa7d9e7e1e95032502f89541tree | snapshot
parent7844572c633964c864d9f32dc3f2a8ffe5d70371commit | diff
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>
include/linux/dma-mapping.h diff | blob | blame | history
lib/Kconfig diff | blob | blame | history
lib/Makefile diff | blob | blame | history
lib/dma-virt.c [new file with mode: 0644] blob
Linux 6.x block layer and io_uring tree(s)