Emmanuel Vadot 4c27484934 linuxkpi: Add pci_iomap and pci_iounmap
Those function are use to map/unmap io region of a pci device.
Different resource can be mapped depending on the bar so use a
tailq to store them all.

Sponsored-by: The FreeBSD Foundation

Reviewed by:	emaste, hselasky
Differential Revision:	https://reviews.freebsd.org/D24696
2020-05-07 17:00:51 +00:00
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