linux/lib/pci_iomap.c

1 // SPDX-License-Identifier: GPL-2.0
14  * pci_iomap_range - create a virtual mapping cookie for a PCI BAR
18  * @maxlen: max length of the memory to map
21  * You can access it using ioread*() and iowrite*(). These functions hide
39 	len -= offset;  in pci_iomap_range()
53  * pci_iomap_wc_range - create a virtual WC mapping cookie for a PCI BAR
57  * @maxlen: max length of the memory to map
60  * You can access it using ioread*() and iowrite*(). These functions hide
84 	len -= offset;  in pci_iomap_wc_range()
98  * pci_iomap - create a virtual mapping cookie for a PCI BAR
104  * You can access it using ioread*() and iowrite*(). These functions hide
118  * pci_iomap_wc - create a virtual WC mapping cookie for a PCI BAR
124  * You can access it using ioread*() and iowrite*(). These functions hide
157  * from legacy <asm-generic/io.h> header file behavior. In particular,
158  * it would seem to make sense to do the iounmap(p) for the non-IO-space
160  * did. Probably incorrectly, but this is meant to be bug-for-bug