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* nfp: replace long license headers with SPDXJakub Kicinski2018-10-111-32/+2Star
| | | | | | | | | | | | Replace the repeated license text with SDPX identifiers. While at it bump the Copyright dates for files we touched this year. Signed-off-by: Edwin Peer <edwin.peer@netronome.com> Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: Nic Viljoen <nick.viljoen@netronome.com> Reviewed-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* nfp: add basic errors messages to target logicJakub Kicinski2018-08-291-2/+10
| | | | | | | | | | Add error prints to CPP target encoding/decoding logic, otherwise it's quite hard to pin point the reasons why read or write operations fail. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Francois H. Theron <francois.theron@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* nfp: add CPP access coreJakub Kicinski2017-02-101-0/+764
Command Push Pull is the name of NFP's network on a chip. PCIe PF can access the interconnect through a number of mappings controlled via Base Access Registers. BARs allow the PF to issue pretty much any command or address any memory on the chip. Add appropriate logic and a handful of helper for simple operations like reading scalars from memories. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>