d/numam-dpdk
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

doc: add I/O device memory access API to release notes

Browse Source 
Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
Acked-by: John McNamara <john.mcnamara@intel.com>
This commit is contained in:
Jerin Jacob 2017-01-19 11:13:21 +05:30 committed by Thomas Monjalon
parent 617d90527f
commit 3c9d2bcc09
1 changed files with 13 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
doc/guides/rel_notes/release_17_02.rst
View File

@ -38,6 +38,19 @@ New Features
Also, make sure to start the actual text at the margin.
=========================================================
* **Added generic EAL API for I/O device memory read/write operations.**
This API introduces 8-bit, 16-bit, 32bit, 64bit I/O device
memory read/write operations along with the relaxed versions.
The weakly-ordered machine like ARM needs additional I/O barrier for
device memory read/write access over PCI bus.
By introducing the EAL abstraction for I/O device memory read/write access,
The drivers can access I/O device memory in architecture-agnostic manner.
The relaxed version does not have additional I/O memory barrier, useful in
accessing the device registers of integrated controllers which
implicitly strongly ordered with respect to memory access.
* **Added generic flow API (rte_flow).**
This API provides a generic means to configure hardware to match specific