hv_pci_devices_present2(9)

hv_pci_devices_present2(9) 💅

okay so welcome to the Kernel API Manual, section 9, bestie. this is the page for hv_pci_devices_present2, and it is lowkey iconic. let's get into it 🫶

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✨ NAME ✨

hv_pci_devices_present2 — handle list of new children. yes that's the whole brief, and it ate. 💅

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🌸 SYNOPSIS 🌸

void hv_pci_devices_present2 (struct hv_pcibus_device *hbus , struct
pci_bus_relations2 *relations );

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🎀 ARGUMENTS 🎀

• hbus — Root PCI bus, as understood by this driver. she's the main character bus. 🚌✨
• relations — Packet from host listing children. literally the host sliding into your DMs with a list of kiddos. 💌

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🦋 DESCRIPTION 🦋

okay so this function is the v2 version of hv_pci_devices_present. that's the whole description in the original, and we are not gonna pretend otherwise. it handles the list of new children, fr fr. 💖

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💜 SEE ALSO 💜

the kernel file is ./drivers/pci/controller/pci-hyperv.c — go read it, iykyk. and here's the whole squad of cross-references, no skips:

• struct hv_msi_desc(9)
• struct hv_msi_desc2(9)
• struct tran_int_desc(9)
• hv_irq_retarget_interrupt(9)
• hv_pci_generic_compl(9)
• devfn_to_wslot(9)
• wslot_to_devfn(9)
• _hv_pcifront_read_config(9)
• _hv_pcifront_write_config(9)
• hv_pcifront_read_config(9)
• hv_pcifront_write_config(9)
• hv_pci_read_config_compl(9)
• hv_read_config_block(9)
• hv_pci_write_config_compl(9)
• hv_write_config_block(9)
• hv_register_block_invalidate(9)
• hv_msi_free(9)
• hv_compose_msi_msg(9)
• hv_pcie_init_irq_domain(9)
• get_bar_size(9)
• survey_child_resources(9)
• prepopulate_bars(9)
• create_root_hv_pci_bus(9)
• q_resource_requirements(9)
• new_pcichild_device(9)
• get_pcichild_wslot(9)
• pci_devices_present_work(9)
• hv_pci_start_relations_work(9)
• hv_pci_devices_present(9)
• hv_eject_device_work(9)
• hv_pci_eject_device(9)
• hv_pci_onchannelcallback(9)
• hv_pci_protocol_negotiation(9)
• hv_pci_free_bridge_windows(9)
• hv_pci_allocate_bridge_windows(9)
• hv_allocate_config_window(9)
• hv_pci_enter_d0(9)
• hv_pci_query_relations(9)
• hv_send_resources_allocated(9)
• hv_send_resources_released(9)
• hv_pci_probe(9)
• hv_pci_remove(9)

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mwah 💖 source/version stamp: ./drivers/pci/controller; date: October 2026; page: hv_pci_devices_present2(9) — periodt. 🎀