Function report |
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:
Type | Parameter | Name |
---|---|---|
struct pci_dev * | pdev | |
bool | decode | |
unsigned int | command_bits | |
unsigned int | flags |
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) |
1125 | rc = uv_bios_set_legacy_vga_target(decode, domain, bus) |
1127 | Return rc |
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