raw/ifpga/base: support IRQ

[dpdk.git] / drivers / raw / ifpga / base / ifpga_port.c

diff --git a/drivers/raw/ifpga/base/ifpga_port.c b/drivers/raw/ifpga/base/ifpga_port.c
index 6c41164..c0aaf01 100644 (file)
--- a/drivers/raw/ifpga/base/ifpga_port.c
+++ b/drivers/raw/ifpga/base/ifpga_port.c
@@ -384,9 +384,27 @@ static void port_uint_uinit(struct ifpga_feature *feature)
        dev_info(NULL, "PORT UINT UInit.\n");
 }
 
+static int port_uint_set_irq(struct ifpga_feature *feature, void *irq_set)
+{
+       struct fpga_uafu_irq_set *uafu_irq_set = irq_set;
+       struct ifpga_port_hw *port = feature->parent;
+       int ret;
+
+       if (!(port->capability & FPGA_PORT_CAP_UAFU_IRQ))
+               return -ENODEV;
+
+       spinlock_lock(&port->lock);
+       ret = fpga_msix_set_block(feature, uafu_irq_set->start,
+                                 uafu_irq_set->count, uafu_irq_set->evtfds);
+       spinlock_unlock(&port->lock);
+
+       return ret;
+}
+
 struct ifpga_feature_ops ifpga_rawdev_port_uint_ops = {
        .init = port_uint_init,
        .uinit = port_uint_uinit,
+       .set_irq = port_uint_set_irq,
 };
 
 static int port_afu_init(struct ifpga_feature *feature)