IB/ehca: Add driver for IBM eHCA InfiniBand adapters

Add a driver for IBM GX bus InfiniBand adapters, which are usable with
some pSeries/System p systems.

Signed-off-by: Heiko J Schick <schickhj.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

1 files changed, 16 insertions, 0 deletions

diff --git a/drivers/infiniband/hw/ehca/Kconfig b/drivers/infiniband/hw/ehca/Kconfig
new file mode 100644
index 000000000000..922389b64394
--- /dev/null
+++ b/drivers/infiniband/hw/ehca/Kconfig
@@ -0,0 +1,16 @@
+config INFINIBAND_EHCA
+        tristate "eHCA support"
+        depends on IBMEBUS && INFINIBAND
+        ---help---
+        This driver supports the IBM pSeries eHCA InfiniBand adapter.
+
+        To compile the driver as a module, choose M here. The module
+        will be called ib_ehca.
+
+config INFINIBAND_EHCA_SCALING
+        bool "Scaling support (EXPERIMENTAL)"
+        depends on IBMEBUS && INFINIBAND_EHCA && HOTPLUG_CPU && EXPERIMENTAL
+        ---help---
+        eHCA scaling support schedules the CQ callbacks to different CPUs.
+
+        To enable this feature choose Y here.