common/sfc_efx/base: support NIC DMA memory regions API

NIC DMA memory regions API allows to establish mapping of DMA addresses
used by NIC to host IOVA understood by the host when IOMMU is absent
a

common/sfc_efx/base: support NIC DMA memory regions API

NIC DMA memory regions API allows to establish mapping of DMA addresses
used by NIC to host IOVA understood by the host when IOMMU is absent
and NIC cannot address entire host IOVA space because of too small
DMA mask.

The API does not allow to address entire host IOVA space, but allows
arbitrary regions of the space really used for the NIC DMA.

A DMA region needs to be mapped in order to perform MCDI initialization.
Since the NIC has not been probed at that point, its configuration cannot
be accessed and there an UNKNOWN mapping type is assumed.

Signed-off-by: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>
Reviewed-by: Andy Moreton <amoreton@xilinx.com>

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common/sfc_efx: update copyright year

Bump copyright year to 2021.

Signed-off-by: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>

common/sfc_efx/base: add API for querying board info

Riverhead boards can provide extended version information.
Implement facilities necessary to obtain it.
Add an API for querying board information

common/sfc_efx/base: add API for querying board info

Riverhead boards can provide extended version information.
Implement facilities necessary to obtain it.
Add an API for querying board information.

A client driver may use this to discover which of its instances
relate to which physical boards, based on board serial number
persistence for a given physical board.

Signed-off-by: Ivan Malov <ivan.malov@oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>

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common/sfc_efx/base: replace PCI efsys macros with functions

efsys macros that manipulate PCI devices cannot be defined in
common sfc_efx DPDK driver since in DPDK build the bus drivers
that provide

common/sfc_efx/base: replace PCI efsys macros with functions

efsys macros that manipulate PCI devices cannot be defined in
common sfc_efx DPDK driver since in DPDK build the bus drivers
that provide required functionality are built after common drivers.

Replace the macros with function callbacks to remove that build
dependency. Drivers now should pass the callbacks directly to
efx function instead of defining implementation in efsys.

Signed-off-by: Igor Romanov <igor.romanov@oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andy Moreton <amoreton@xilinx.com>

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common/sfc_efx/base: add function control window lookup API

Riverhead NIC may provide a locator of function control window
(EF100 resource locator).
The locator may be present in a Xilinx capabiliti

common/sfc_efx/base: add function control window lookup API

Riverhead NIC may provide a locator of function control window
(EF100 resource locator).
The locator may be present in a Xilinx capabilities table which
itself is located by looking into extended PCI capabilities.

PCI capabilities are made possible to access by adding PCI config
space interface to efsys.

APIs are implemented to facilitate function control window lookup:
- API to find an extended PCI capability given a capability ID;
- API to read Xilinx PCI capability;

Signed-off-by: Igor Romanov <igor.romanov@oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andy Moreton <amoreton@xilinx.com>

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common/sfc_efx/base: add function control window concept

Function control window can be located at a different offset than
other windows on Riverhead. Meaning that the drivers must handle
accesses t

common/sfc_efx/base: add function control window concept

Function control window can be located at a different offset than
other windows on Riverhead. Meaning that the drivers must handle
accesses to the function control window differently in case of EF100.

Add accessor macros for function control window and change
EFX NIC create API to facilitate that accessors.

Signed-off-by: Igor Romanov <igor.romanov@oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andy Moreton <amoreton@xilinx.com>

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common/sfc_efx/base: add Riverhead support to NIC module

Define basic NIC features and limitations.

Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andy Moreton <amoreton@x

common/sfc_efx/base: add Riverhead support to NIC module

Define basic NIC features and limitations.

Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andy Moreton <amoreton@xilinx.com>
Reviewed-by: Vijay Kumar Srivastava <vsrivast@xilinx.com>

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common/sfc_efx/base: set NIC features in generic place

There is no point to duplicate it NIC family specific probe handlers.

Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by:

common/sfc_efx/base: set NIC features in generic place

There is no point to duplicate it NIC family specific probe handlers.

Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andy Moreton <amoreton@xilinx.com>

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common/sfc_efx/base: add Riverhead NIC family

Riverhead is the first NIC family of the EF100 architecture.

Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andy Moreton <amo

common/sfc_efx/base: add Riverhead NIC family

Riverhead is the first NIC family of the EF100 architecture.

Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andy Moreton <amoreton@xilinx.com>
Reviewed-by: Vijay Kumar Srivastava <vsrivast@xilinx.com>

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net/sfc: introduce common driver library

Move libefx (base driver) into common driver.

Prepare to add vDPA driver which will use the common driver as well.

Signed-off-by: Andrew Rybchenko <arybche

net/sfc: introduce common driver library

Move libefx (base driver) into common driver.

Prepare to add vDPA driver which will use the common driver as well.

Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andy Moreton <amoreton@xilinx.com>

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