2017-01-09 08:55:13 -07:00
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obj-$(CONFIG_SMC) += smc.o
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2017-01-09 08:55:26 -07:00
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obj-$(CONFIG_SMC_DIAG) += smc_diag.o
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2017-01-09 08:55:21 -07:00
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smc-y := af_smc.o smc_pnet.o smc_ib.o smc_clc.o smc_core.o smc_wr.o smc_llc.o
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net/smc: add base infrastructure for SMC-D and ISM
SMC supports two variants: SMC-R and SMC-D. For data transport, SMC-R
uses RDMA devices, SMC-D uses so-called Internal Shared Memory (ISM)
devices. An ISM device only allows shared memory communication between
SMC instances on the same machine. For example, this allows virtual
machines on the same host to communicate via SMC without RDMA devices.
This patch adds the base infrastructure for SMC-D and ISM devices to
the existing SMC code. It contains the following:
* ISM driver interface:
This interface allows an ISM driver to register ISM devices in SMC. In
the process, the driver provides a set of device ops for each device.
SMC uses these ops to execute SMC specific operations on or transfer
data over the device.
* Core SMC-D link group, connection, and buffer support:
Link groups, SMC connections and SMC buffers (in smc_core) are
extended to support SMC-D.
* SMC type checks:
Some type checks are added to prevent using SMC-R specific code for
SMC-D and vice versa.
To actually use SMC-D, additional changes to pnetid, CLC, CDC, etc. are
required. These are added in follow-up patches.
Signed-off-by: Hans Wippel <hwippel@linux.ibm.com>
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Suggested-by: Thomas Richter <tmricht@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-06-28 11:05:07 -06:00
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smc-y += smc_cdc.o smc_tx.o smc_rx.o smc_close.o smc_ism.o
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