On 06.03.15 02:29, J. German Rivera wrote: > This patch series introduces Linux support for the Freescale > Management Complex (fsl-mc) hardware. This patch series is dependent > on the patch series "ARM64: Add support for FSL's LS2085A SoC" > (http://thread.gmane.org/gmane.linux.ports.arm.kernel/351829) > > The fsl-mc is a hardware resource manager that manages specialized > hardware objects used in network-oriented packet processing > applications. After the fsl-mc block is enabled, pools of hardware > resources are available, such as queues, buffer pools, I/O > interfaces. These resources are building blocks that can be > used to create functional hardware objects such as network > interfaces, crypto accelerator instances, or L2 switches. > > All the fsl-mc managed hardware resources/objects are represented in > a physical grouping mechanism called a 'container' or DPRC (data > path resource container). > > From the point of view of an OS, a DPRC functions similar to a plug > and play bus. Using fsl-mc commands software can enumerate the > contents of the DPRC discovering the hardware objects present > and binding them to drivers. Hardware objects can be created > and removed dynamically, providing hot pluggability of the hardware > objects. > > Software contexts interact with the fsl-mc by sending commands through > a memory mapped hardware interface called an "MC portal". Every > fsl-mc object type has a command set to manage the objects. Key > DPRC commands include: > -create/destroy a DPRC > -enumerate objects and resource pools in the DPRC, including > identifying mappable regions and the number of IRQs an object > may have > -IRQ configuration > -move objects/resources between DPRCs > -connecting objects (e.g. connecting a network interface to > an L2 switch port) > -reset Acked-by: Alexander Graf <agraf@xxxxxxx> Alex _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
