D57573.diff
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	diff --git a/sys/compat/linuxkpi/common/include/linux/pci.h b/sys/compat/linuxkpi/common/include/linux/pci.h
	--- a/sys/compat/linuxkpi/common/include/linux/pci.h
	+++ b/sys/compat/linuxkpi/common/include/linux/pci.h
	@@ -892,6 +892,11 @@
	#define pci_unmap_len dma_unmap_len
	#define pci_unmap_len_set dma_unmap_len_set

	+void linuxkpi_pci_map_rom(struct pci_dev pdev, size_t *size);
	+void linuxkpi_pci_unmap_rom(struct pci_dev pdev, void rom);
	+#define pci_map_rom(pdev, size) linuxkpi_pci_map_rom(pdev, size)
	+#define pci_unmap_rom(pdev, rom) linuxkpi_pci_unmap_rom(pdev, rom)
	+
	typedef unsigned int __bitwise pci_channel_state_t;
	typedef unsigned int __bitwise pci_ers_result_t;

	diff --git a/sys/compat/linuxkpi/common/src/linux_pci.c b/sys/compat/linuxkpi/common/src/linux_pci.c
	--- a/sys/compat/linuxkpi/common/src/linux_pci.c
	+++ b/sys/compat/linuxkpi/common/src/linux_pci.c
	@@ -1663,6 +1663,33 @@
	return (bus_child_present(dev));
	}

	+void *
	+linuxkpi_pci_map_rom(struct pci_dev pdev, size_t size)
	+{
	+ device_t dev;
	+
	+ dev = pdev->dev.bsddev;
	+
	+ if (pci_get_class(dev) != PCIC_DISPLAY &&
	+ (pci_get_class(dev) != PCIC_OLD \|\|
	+ pci_get_subclass(dev) != PCIS_OLD_VGA)) {
	+ pr_debug("%s: TODO\n", __func__);
	+ return (NULL);
	+ }
	+
	+ return (vga_pci_map_bios(device_get_parent(dev), size));
	+}
	+
	+void
	+linuxkpi_pci_unmap_rom(struct pci_dev pdev, void rom)
	+{
	+ device_t dev;
	+
	+ dev = pdev->dev.bsddev;
	+
	+ vga_pci_unmap_bios(device_get_parent(dev), rom);
	+}
	+
	CTASSERT(sizeof(dma_addr_t) <= sizeof(uint64_t));

	struct linux_dma_obj {