CHANGELOG: update changelog

Update CHANGELOG.md with new functionality.

Signed-off-by: Klaus Jensen <[email protected]>

CHANGELOG.md

@@ -4,15 +4,28 @@
 
 ### ``nvme_ctrl``
 
-``nvme_pci_init`` has been deprecated and will generate a warning.
+* ``nvme_pci_init`` has been deprecated and will generate a warning.
 
 ## v5.2.0: (unreleased)
 
 ### ``nvme_ctrl``
 
-A new set of functions for keeping track of controllers has been added to the
-public API. These are ``nvme_{get,add,del}_ctrl``. Please see the updated
-documentation.
+* A new set of functions for keeping track of controllers has been added to the
+  public API. These are ``nvme_{get,add,del}_ctrl``. Please see the updated
+  documentation.
+* A set of functions to manipulate and configure secondary controllers have been
+  added. See the updated documentation.
+
+## ``pci/util``
+
+* Utility functions for handling SR-IOV devices have been added.
+
+## ``iommu``
+
+* A convenient ``iommu_dmabuf`` public API has been added. An ``iommu_dmabuf``
+  abstracts the process of allocating a DMA buffer and mapping it. The buffer
+  can be automatically managed with an ``__autovar_s()`` annotation to magically
+  unmap and deallocate it when going out of scope.
 
 ### Bugfixes and minor improvements
 
@@ -24,9 +37,8 @@ documentation.
 
 ### ``nvme_rq``
 
-``nvme_rq_mapv_prp()`` now expects the ``struct iov *`` to contain virtual
-addresses and will translate them when building the data pointer PRPs.
-
-libvfn now supports reating SGLs (and will use them by default if available).
-Use the new helper function ``nvme_rq_mapv()`` to map ``struct iov *``'s. This
-function will use SGLs if supported by the controller or fall back to PRPs.
+* ``nvme_rq_mapv_prp()`` now expects the ``struct iov *`` to contain virtual
+  addresses and will translate them when building the data pointer PRPs.
+* libvfn now supports reating SGLs (and will use them by default if available).
+  Use the new helper function ``nvme_rq_mapv()`` to map ``struct iov *``'s. This
+  function will use SGLs if supported by the controller or fall back to PRPs.