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Add a new iosm wwan port that connects to the modem rpc interface. This
interface provides a configuration channel, and in the case of the 7360, is
the only way to configure the modem (as it does not support mbim).
The new interface is compatible with existing software, such as
open_xdatachannel.py from the xmm7360-pci project [1].
[1] https://github.com/xmm7360/xmm7360-pci
Signed-off-by: Shane Parslow <shaneparslow808@gmail.com>
Reviewed-by: Loic Poulain <loic.poulain@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Implements transport layer protocol for fw flashing/coredump
collection.
Signed-off-by: M Chetan Kumar <m.chetan.kumar@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The devlink parameters are not the right mechanism to pass
extra parameters to device flashing. The params added are
also undocumented.
This reverts commit 13bb8429ca98 ("net: wwan: iosm: firmware
flashing and coredump collection").
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch brings-in support for M.2 7560 Device firmware flashing &
coredump collection using devlink.
- Driver Registers with Devlink framework.
- Register devlink params callback for configuring device params
required in flashing or coredump flow.
- Implements devlink ops flash_update callback that programs modem
firmware.
- Creates region & snapshot required for device coredump log collection.
On early detection of device in boot rom stage. Driver registers with
Devlink framework and establish transport channel for PSI (Primary Signed
Image) injection. Once PSI is injected to device, the device execution
stage details are read to determine whether device is in flash or
exception mode. The collected information is reported to devlink user
space application & based on this informationi, application proceeds with
either modem firmware flashing or coredump collection.
Signed-off-by: M Chetan Kumar <m.chetan.kumar@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The bounds check on "index" doesn't catch negative values. Using
ARRAY_SIZE() directly is more readable and more robust because it prevents
negative values for "index". Fortunately we only pass valid values to
ipc_chnl_cfg_get() so this patch does not affect runtime.
Reported-by: Solomon Ucko <solly.ucko@gmail.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: M Chetan Kumar <m.chetan.kumar@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Defines pipes & channel configurations like channel type,
pipe mappings, No. of transfer descriptors and transfer
buffer size etc.
Signed-off-by: M Chetan Kumar <m.chetan.kumar@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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