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2020-07-27sfc_ef100: implement MCDI transportEdward Cree2-0/+107
Signed-off-by: Edward Cree <ecree@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-27sfc_ef100: don't call efx_reset_down()/up() on EF100Edward Cree1-3/+8
We handle everything ourselves in ef100_reset(), rather than relying on the generic down/up routines. Signed-off-by: Edward Cree <ecree@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-27sfc_ef100: PHY probe stubEdward Cree1-0/+14
We can't actually do the MCDI to probe it fully until we have working MCDI, which comes later, but we need efx->phy_data to be allocated so that when we get MCDI events the link-state change handler doesn't NULL-dereference. Signed-off-by: Edward Cree <ecree@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-27sfc_ef100: reset-handling stubEdward Cree1-0/+50
We don't actually do the efx_mcdi_reset() because we don't have MCDI yet. Signed-off-by: Edward Cree <ecree@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-27sfc: skeleton EF100 PF driverEdward Cree26-13/+1095
No TX or RX path, no MCDI, not even an ifup/down handler. Besides stubs, the bulk of the patch deals with reading the Xilinx extended PCIe capability, which tells us where to find our BAR. Though in the same module, EF100 has its own struct pci_driver, which is named sfc_ef100. A small number of additional nic_type methods are added; those in the TX (tx_enqueue) and RX (rx_packet) paths are called through indirect call wrappers to minimise the performance impact. Signed-off-by: Edward Cree <ecree@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-27sfc_ef100: register accesses on EF100Edward Cree2-3/+15
EF100 adds a few new valid addresses for efx_writed_page(), as well as a Function Control Window in the BAR whose location is variable. Signed-off-by: Edward Cree <ecree@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>