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authorBart Van Assche <bart.vanassche@sandisk.com>2017-01-20 13:04:07 -0800
committerDoug Ledford <dledford@redhat.com>2017-01-24 12:23:35 -0500
commit551199aca1c3102ebed390566d681cc1290284ca (patch)
treea093ec747368b2b0fa7d9e7e1e95032502f89541 /lib/Kconfig
parent7844572c633964c864d9f32dc3f2a8ffe5d70371 (diff)
downloadlinux-551199aca1c3102ebed390566d681cc1290284ca.tar.bz2
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>
Diffstat (limited to 'lib/Kconfig')
-rw-r--r--lib/Kconfig5
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/Kconfig b/lib/Kconfig
index b6baf0609e8b..97af23b26f33 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -400,6 +400,11 @@ config DMA_NOOP_OPS
depends on HAS_DMA && (!64BIT || ARCH_DMA_ADDR_T_64BIT)
default n
+config DMA_VIRT_OPS
+ bool
+ depends on HAS_DMA && (!64BIT || ARCH_DMA_ADDR_T_64BIT)
+ default n
+
config CHECK_SIGNATURE
bool