Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\kernel\apic\msi.c Create Date:2022-07-28 08:31:20
Last Modify:2020-03-17 10:05:02 Copyright©Brick
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Name:arch_init_msi_domain

Proto:void __init arch_init_msi_domain(struct irq_domain *parent)

Type:void

Parameter:

TypeParameterName
struct irq_domain *parent
257  If disable_apic Then Return
260  fn = irq_domain_alloc_named_fwnode("PCI-MSI")
261  If fn Then
262  msi_default_domain = pci_msi_create_irq_domain(fn, & pci_msi_domain_info, parent)
265  q_domain_free_fwnode - Free a non-OF-backed fwnode_handle* Free a fwnode_handle allocated with irq_domain_alloc_fwnode.
267  If Not msi_default_domain Then pr_warn("failed to initialize irqdomain for MSI/MSI-x.\n")
269  Else host per irq_domain flags |= IRQ_DOMAIN_MSI_NOMASK_QUIRK