libie_find_mmio_region(9)

💖 NAME 💖

okay bestie, meet libie_find_mmio_region(9) from the Kernel API Manual — it’s the one that helps you find the MMIO region containing a range. lowkey iconic 💅

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✨ SYNOPSIS ✨

struct libie_pci_mmio_region * libie_find_mmio_region (const struct
list_head *mmio_list , resource_size_t offset , resource_size_t size ,
int bar_idx );

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🎀 ARGUMENTS 🎀

• mmio_list — the list that contains MMIO region info 🫶
• offset — range start offset ✨
• size — range size 🎀
• bar_idx — BAR index containing the range to search 🔥

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🦋 DESCRIPTION 🦋

MMIO regions mappings are traversed from oldest to newest. periodt 💫

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🌸 RETURN 🌸

Returns a pointer to a MMIO region overlapping with the range in any way, or NULL if no such region is mapped. no cap 😭

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💅 SEE ALSO 💅

Kernel file: ./drivers/net/ethernet/intel/libie/pci.c 🧚

• __libie_pci_get_mmio_addr(9)
• __libie_pci_map_mmio_region(9)
• libie_pci_unmap_fltr_regs(9)
• libie_pci_unmap_all_mmio_regions(9)
• libie_pci_init_dev(9)

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later bestie — page libie_find_mmio_region(9), source/version ./drivers/net/ethernet/intel/l..., October 2026 💜🦋