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ionic: Add interrupts and doorbells
authorShannon Nelson <snelson@pensando.io>
Tue, 3 Sep 2019 22:28:08 +0000 (15:28 -0700)
committerDavid S. Miller <davem@davemloft.net>
Thu, 5 Sep 2019 07:24:43 +0000 (09:24 +0200)
commit6461b446f2a0f40c038f1d09c69d1e5565a84a43
tree8447c32eccc50896bf64e13b9df6619cb22a6427
parent1a58e196467f842a40ff3ecfe818ebf7604e04a6
ionic: Add interrupts and doorbells

The ionic interrupt model is based on interrupt control blocks
accessed through the PCI BAR.  Doorbell registers are used by
the driver to signal to the NIC that requests are waiting on
the message queues.  Interrupts are used by the NIC to signal
to the driver that answers are waiting on the completion queues.

Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/pensando/ionic/ionic.h
drivers/net/ethernet/pensando/ionic/ionic_bus.h
drivers/net/ethernet/pensando/ionic/ionic_bus_pci.c
drivers/net/ethernet/pensando/ionic/ionic_dev.c
drivers/net/ethernet/pensando/ionic/ionic_dev.h
drivers/net/ethernet/pensando/ionic/ionic_lif.c
drivers/net/ethernet/pensando/ionic/ionic_lif.h
drivers/net/ethernet/pensando/ionic/ionic_regs.h