Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\kernel\apic\x2apic_uv_x.c Create Date:2022-07-28 08:34:18
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Name:Direct Legacy VGA I/O traffic to designated IOH

Proto:static int uv_set_vga_state(struct pci_dev *pdev, bool decode, unsigned int command_bits, unsigned int flags)

Type:int

Parameter:

TypeParameterName
struct pci_dev *pdev
booldecode
unsigned intcommand_bits
unsigned intflags
1116  If Not (flags & PCI_VGA_STATE_CHANGE_BRIDGE) Then Return 0
1119  If (command_bits & Enable response in I/O space ) == 0 Then Return 0
1122  domain = pci_domain_nr(bus)
1123  bus = number
1125  rc = uv_bios_set_legacy_vga_target(decode, domain, bus)
1127  Return rc