Changeset 417aaafb in mainline for uspace/lib/virtio/virtio-pci.h

Timestamp:

2018-06-25T21:37:48Z (7 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

e3107e2

Parents:

ea6840d

Message:

Protect the virtqueue with a mutex

File:

• uspace/lib/virtio/virtio-pci.h (modified) (2 diffs)

uspace/lib/virtio/virtio-pci.h

@@ -36 +36 @@
 #include <pci_dev_iface.h>
 #include <ddi.h>
+#include <fibril_synch.h>
 
 #define VIRTIO_PCI_CAP_CAP_LEN(c)       ((c) + 2)
@@ -131 +132 @@
         size_t size;
 
+        /** Mutex protecting access to this virtqueue */
+        fibril_mutex_t lock;
+
         /**
          * Size of the queue which determines the number of descriptors and