Thomas Gleixner 013bd8e543 device: Add device:: Msi_data pointer and struct msi_device_data
Create struct msi_device_data and add a pointer of that type to struct
dev_msi_info, which is part of struct device. Provide an allocator function
which can be invoked from the MSI interrupt allocation code pathes.

Add a properties field to the data structure as a first member so the
allocation size is not zero bytes. The field will be uses later on.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Michael Kelley <mikelley@microsoft.com>
Tested-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/20211210221813.676660809@linutronix.de
2021-12-16 22:16:38 +01:00
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