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| author | Bart Van Assche <bart.vanassche@sandisk.com> | 2017-01-20 13:04:07 -0800 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2017-01-24 12:23:35 -0500 |
| commit | 551199aca1c3102ebed390566d681cc1290284ca (patch) | |
| tree | a093ec747368b2b0fa7d9e7e1e95032502f89541 /lib/Kconfig | |
| parent | 7844572c633964c864d9f32dc3f2a8ffe5d70371 (diff) | |
| download | linux-551199aca1c3102ebed390566d681cc1290284ca.tar.gz linux-551199aca1c3102ebed390566d681cc1290284ca.tar.xz | |
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/Kconfig | 5 |
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 |