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Kernel/USB: Tighten up USBManagement enumeration code a bit
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parent
1479ee3f3e
commit
d16d116b65
Notes:
sideshowbarker
2024-07-18 07:10:42 +09:00
Author: https://github.com/supercomputer7
Commit: d16d116b65
Pull-request: https://github.com/SerenityOS/serenity/pull/9313
1 changed files with 27 additions and 26 deletions
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@ -22,38 +22,39 @@ UNMAP_AFTER_INIT USBManagement::USBManagement()
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UNMAP_AFTER_INIT void USBManagement::enumerate_controllers()
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UNMAP_AFTER_INIT void USBManagement::enumerate_controllers()
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{
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{
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if (!kernel_command_line().disable_usb()) {
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if (kernel_command_line().disable_usb())
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PCI::enumerate([this](PCI::Address const& address, PCI::ID) {
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return;
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if (PCI::get_class(address) == 0xc && PCI::get_subclass(address) == 0x3) {
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if (PCI::get_programming_interface(address) == 0x0) {
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if (kernel_command_line().disable_uhci_controller())
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return;
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if (auto uhci_controller_or_error = UHCIController::try_to_initialize(address); !uhci_controller_or_error.is_error())
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PCI::enumerate([this](PCI::Address const& address, PCI::ID) {
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m_controllers.append(uhci_controller_or_error.release_value());
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if (!(PCI::get_class(address) == 0xc && PCI::get_subclass(address) == 0x3))
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return;
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if (PCI::get_programming_interface(address) == 0x0) {
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if (kernel_command_line().disable_uhci_controller())
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return;
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return;
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if (auto uhci_controller_or_error = UHCIController::try_to_initialize(address); !uhci_controller_or_error.is_error())
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}
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m_controllers.append(uhci_controller_or_error.release_value());
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if (PCI::get_programming_interface(address) == 0x10) {
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return;
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dmesgln("USBManagement: OHCI controller found at {} is not currently supported.", address);
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}
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return;
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}
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if (PCI::get_programming_interface(address) == 0x20) {
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if (PCI::get_programming_interface(address) == 0x10) {
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dmesgln("USBManagement: EHCI controller found at {} is not currently supported.", address);
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dmesgln("USBManagement: OHCI controller found at {} is not currently supported.", address);
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return;
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return;
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}
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}
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if (PCI::get_programming_interface(address) == 0x30) {
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if (PCI::get_programming_interface(address) == 0x20) {
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dmesgln("USBManagement: xHCI controller found at {} is not currently supported.", address);
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dmesgln("USBManagement: EHCI controller found at {} is not currently supported.", address);
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return;
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return;
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}
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}
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dmesgln("USBManagement: Unknown/unsupported controller at {} with programming interface 0x{:02x}", address, PCI::get_programming_interface(address));
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if (PCI::get_programming_interface(address) == 0x30) {
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}
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dmesgln("USBManagement: xHCI controller found at {} is not currently supported.", address);
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});
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return;
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}
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}
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dmesgln("USBManagement: Unknown/unsupported controller at {} with programming interface 0x{:02x}", address, PCI::get_programming_interface(address));
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});
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}
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}
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bool USBManagement::initialized()
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bool USBManagement::initialized()
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