raw/ifpga/base: support IRQ

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

diff --git a/drivers/raw/ifpga/base/ifpga_port_error.c b/drivers/raw/ifpga/base/ifpga_port_error.c
index 138284e..189f762 100644 (file)
--- a/drivers/raw/ifpga/base/ifpga_port_error.c
+++ b/drivers/raw/ifpga/base/ifpga_port_error.c
@@ -136,9 +136,28 @@ static int port_error_set_prop(struct ifpga_feature *feature,
        return -ENOENT;
 }
 
+static int port_error_set_irq(struct ifpga_feature *feature, void *irq_set)
+{
+       struct fpga_port_err_irq_set *err_irq_set = irq_set;
+       struct ifpga_port_hw *port;
+       int ret;
+
+       port = feature->parent;
+
+       if (!(port->capability & FPGA_PORT_CAP_ERR_IRQ))
+               return -ENODEV;
+
+       spinlock_lock(&port->lock);
+       ret = fpga_msix_set_block(feature, 0, 1, &err_irq_set->evtfd);
+       spinlock_unlock(&port->lock);
+
+       return ret;
+}
+
 struct ifpga_feature_ops ifpga_rawdev_port_error_ops = {
        .init = port_error_init,
        .uinit = port_error_uinit,
        .get_prop = port_error_get_prop,
        .set_prop = port_error_set_prop,
+       .set_irq = port_error_set_irq,
 };