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driver_manager/sculpt: hook for manual USB policy

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This patch adds the /config/usb file to Sculpt, which allows then user
to manually define rules for assigning USB devices to clients. The
content is incorporated by the driver manager into the USB driver
configuration. Note that this mechanism does not work for HID devices
because these devices are claimed by the USB driver's built-in HID
support.

Issue #2890
This commit is contained in:
Norman Feske
2018-06-27 13:39:31 +02:00
committed by Christian Helmuth
parent fbe9d26c47
commit ae028d89cf
4 changed files with 40 additions and 7 deletions
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20
repos/gems/src/app/driver_manager/main.cc
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@ -316,6 +316,7 @@ struct Driver_manager::Main : Block_devices_generator
Attached_rom_dataspace _platform { _env, "platform_info" };
Attached_rom_dataspace _usb_devices { _env, "usb_devices" };
Attached_rom_dataspace _usb_policy { _env, "usb_policy" };
Attached_rom_dataspace _pci_devices { _env, "pci_devices" };
Attached_rom_dataspace _ahci_ports { _env, "ahci_ports" };
Attached_rom_dataspace _nvme_ns { _env, "nvme_ns" };
@ -349,6 +350,9 @@ struct Driver_manager::Main : Block_devices_generator
Signal_handler<Main> _usb_devices_update_handler {
_env.ep(), *this, &Main::_handle_usb_devices_update };
Signal_handler<Main> _usb_policy_update_handler {
_env.ep(), *this, &Main::_handle_usb_devices_update };
void _handle_ahci_ports_update();
Signal_handler<Main> _ahci_ports_update_handler {
@ -365,7 +369,7 @@ struct Driver_manager::Main : Block_devices_generator
};
void _generate_init_config (Reporter &) const;
void _generate_usb_drv_config (Reporter &, Xml_node) const;
void _generate_usb_drv_config (Reporter &, Xml_node, Xml_node) const;
void _generate_block_devices (Reporter &) const;
Ahci_driver::Default_label _default_block_device() const;
@ -383,11 +387,14 @@ struct Driver_manager::Main : Block_devices_generator
_pci_devices.sigh(_pci_devices_update_handler);
_usb_devices.sigh(_usb_devices_update_handler);
_usb_policy .sigh(_usb_policy_update_handler);
_ahci_ports .sigh(_ahci_ports_update_handler);
_nvme_ns .sigh(_nvme_ns_update_handler);
_generate_init_config(_init_config);
_generate_usb_drv_config(_usb_drv_config, Xml_node("<devices/>"));
_generate_usb_drv_config(_usb_drv_config,
Xml_node("<devices/>"),
Xml_node("<usb/>"));
_handle_pci_devices_update();
_handle_usb_devices_update();
@ -494,8 +501,9 @@ void Driver_manager::Main::_handle_nvme_ns_update()
void Driver_manager::Main::_handle_usb_devices_update()
{
_usb_devices.update();
_usb_policy.update();
_generate_usb_drv_config(_usb_drv_config, _usb_devices.xml());
_generate_usb_drv_config(_usb_drv_config, _usb_devices.xml(), _usb_policy.xml());
}
@ -635,7 +643,8 @@ void Driver_manager::Main::_generate_block_devices(Reporter &block_devices) cons
void Driver_manager::Main::_generate_usb_drv_config(Reporter &usb_drv_config,
Xml_node devices) const
Xml_node devices,
Xml_node policy) const
{
Reporter::Xml_generator xml(usb_drv_config, [&] () {
@ -648,6 +657,9 @@ void Driver_manager::Main::_generate_usb_drv_config(Reporter &usb_drv_config,
xml.node("raw", [&] () {
xml.node("report", [&] () { xml.attribute("devices", true); });
/* incorporate user-managed policy */
xml.append(policy.content_base(), policy.content_size());
devices.for_each_sub_node("device", [&] (Xml_node device) {
typedef String<64> Label;