Changeset 60744cb in mainline for uspace/drv/block/virtio-blk

Timestamp:

2024-05-17T17:51:56Z (22 months ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

master

Children:

1801005

Parents:

646849b3

Message:

Let driver specify any argument to IRQ handler

This allows the driver to register a single handler for multiple
interrupts and still distinguish between them. It also removes
the extra step of having to get softstate from ddf_dev_t.

File:

• uspace/drv/block/virtio-blk/virtio-blk.c (modified) (2 diffs)

uspace/drv/block/virtio-blk/virtio-blk.c

@@ -73 +73 @@
 };
 
-static void virtio_blk_irq_handler(ipc_call_t *icall, ddf_dev_t *dev)
-{
-        virtio_blk_t *virtio_blk = (virtio_blk_t *) ddf_dev_data_get(dev);
+/** VirtIO block IRQ handler.
+ *
+ * @param icall IRQ event notification
+ * @param arg Argument (virtio_blk_t *)
+ */
+static void virtio_blk_irq_handler(ipc_call_t *icall, void *arg)
+{
+        virtio_blk_t *virtio_blk = (virtio_blk_t *)arg;
         virtio_dev_t *vdev = &virtio_blk->virtio_dev;
 
@@ -145 +150 @@
 
         return register_interrupt_handler(dev, virtio_blk->irq,
-            virtio_blk_irq_handler, &irq_code, &virtio_blk->irq_handle);
+            virtio_blk_irq_handler, (void *)virtio_blk, &irq_code,
+            &virtio_blk->irq_handle);
 }