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Diffstat (limited to 'docs/platform-interrupt-controller-API.rst')
| -rw-r--r-- | docs/platform-interrupt-controller-API.rst | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/docs/platform-interrupt-controller-API.rst b/docs/platform-interrupt-controller-API.rst index 74291bca..df4139e3 100644 --- a/docs/platform-interrupt-controller-API.rst +++ b/docs/platform-interrupt-controller-API.rst @@ -217,6 +217,32 @@ In case of ARM standard platforms using GIC, the implementation of the API inserts barrier to make memory updates visible before raising SGI, then writes to appropriate *SGI Register* in order to raise the EL3 SGI. +Function: void plat_ic_set_spi_routing(unsigned int id, unsigned int routing_mode, u_register_t mpidr); [optional] +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +:: + + Argument : unsigned int + Argument : unsigned int + Argument : u_register_t + Return : void + +This API should set the routing mode of Share Peripheral Interrupt (SPI) +specified by first parameter ``id`` to that specified by the second parameter +``routing_mode``. + +The ``routing_mode`` parameter can be one of: + +- ``INTR_ROUTING_MODE_ANY`` means the interrupt can be routed to any PE in the + system. The ``mpidr`` parameter is ignored in this case. + +- ``INTR_ROUTING_MODE_PE`` means the interrupt is routed to the PE whose MPIDR + value is specified by the parameter ``mpidr``. + +In case of ARM standard platforms using GIC, the implementation of the API +writes to the GIC *Target Register* (GICv2) or *Route Register* (GICv3) to set +the routing. + ---- *Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.* |