\r
\r
/**\r
- Test to see if this driver supports ControllerHandle.\r
-\r
- @param This Protocol instance pointer.\r
- @param ControllerHandle Handle of device to test.\r
- @param RemainingDevicePath Optional parameter use to pick a specific child\r
- device to start.\r
-\r
- @retval EFI_SUCCES This driver supports this device.\r
- @retval EFI_ALREADY_STARTED This driver is already running on this device.\r
+ Test to see if this driver supports ControllerHandle. This service\r
+ is called by the EFI boot service ConnectController(). In\r
+ order to make drivers as small as possible, there are a few calling\r
+ restrictions for this service. ConnectController() must\r
+ follow these calling restrictions. If any other agent wishes to call\r
+ Supported() it must also follow these calling restrictions.\r
+\r
+ @param This Protocol instance pointer.\r
+ @param ControllerHandle Handle of device to test\r
+ @param RemainingDevicePath Optional parameter use to pick a specific child\r
+ device to start.\r
+\r
+ @retval EFI_SUCCESS This driver supports this device\r
+ @retval EFI_ALREADY_STARTED This driver is already running on this device\r
+ @retval other This driver does not support this device\r
\r
**/\r
EFI_STATUS\r
\r
\r
/**\r
- Start this driver on ControllerHandle.\r
-\r
- @param This Protocol instance pointer.\r
- @param ControllerHandle Handle of device to bind driver to\r
- @param RemainingDevicePath Optional parameter use to pick a specific child\r
- device to start.\r
-\r
- @retval EFI_SUCCES This driver is added to ControllerHandle\r
- @retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle\r
- @retval other This driver does not support this device\r
+ Start this driver on ControllerHandle. This service is called by the\r
+ EFI boot service ConnectController(). In order to make\r
+ drivers as small as possible, there are a few calling restrictions for\r
+ this service. ConnectController() must follow these\r
+ calling restrictions. If any other agent wishes to call Start() it\r
+ must also follow these calling restrictions.\r
+\r
+ @param This Protocol instance pointer.\r
+ @param ControllerHandle Handle of device to bind driver to\r
+ @param RemainingDevicePath Optional parameter use to pick a specific child\r
+ device to start.\r
+\r
+ @retval EFI_SUCCESS This driver is added to ControllerHandle\r
+ @retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle\r
+ @retval other This driver does not support this device\r
\r
**/\r
EFI_STATUS\r
\r
\r
/**\r
- Stop this driver on ControllerHandle.\r
-\r
- @param This Protocol instance pointer.\r
- @param ControllerHandle Handle of device to stop driver on\r
- @param NumberOfChildren Number of Handles in ChildHandleBuffer. If number\r
- of children is zero stop the entire bus driver.\r
- @param ChildHandleBuffer List of Child Handles to Stop.\r
-\r
- @retval EFI_SUCCES This driver is removed ControllerHandle.\r
- @retval other This driver was not removed from this device.\r
+ Stop this driver on ControllerHandle. This service is called by the\r
+ EFI boot service DisconnectController(). In order to\r
+ make drivers as small as possible, there are a few calling\r
+ restrictions for this service. DisconnectController()\r
+ must follow these calling restrictions. If any other agent wishes\r
+ to call Stop() it must also follow these calling restrictions.\r
+ \r
+ @param This Protocol instance pointer.\r
+ @param ControllerHandle Handle of device to stop driver on\r
+ @param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of\r
+ children is zero stop the entire bus driver.\r
+ @param ChildHandleBuffer List of Child Handles to Stop.\r
+\r
+ @retval EFI_SUCCESS This driver is removed ControllerHandle\r
+ @retval other This driver was not removed from this device\r
\r
**/\r
EFI_STATUS\r
/**\r
Creates a child handle with a set of I/O services.\r
\r
- @param This Protocol instance pointer.\r
- @param ChildHandle Pointer to the handle of the child to create. If\r
- it is NULL, then a new handle is created. If it\r
- is not NULL, then the I/O services are added to\r
- the existing child handle.\r
+ @param This Protocol instance pointer.\r
+ @param ChildHandle Pointer to the handle of the child to create. If it is NULL,\r
+ then a new handle is created. If it is not NULL, then the\r
+ I/O services are added to the existing child handle.\r
\r
- @retval EFI_SUCCES The child handle was created with the I/O services\r
- @retval EFI_OUT_OF_RESOURCES There are not enough resources availabe to create\r
- the child\r
- @retval other The child handle was not created\r
+ @retval EFI_SUCCES The child handle was created with the I/O services\r
+ @retval EFI_INVALID_PARAMETER ChildHandle is NULL.\r
+ @retval EFI_OUT_OF_RESOURCES There are not enough resources availabe to create\r
+ the child\r
+ @retval other The child handle was not created\r
\r
**/\r
EFI_STATUS\r
/**\r
Destroys a child handle with a set of I/O services.\r
\r
- @param This Protocol instance pointer.\r
- @param ChildHandle Handle of the child to destroy\r
+ @param This Protocol instance pointer.\r
+ @param ChildHandle Handle of the child to destroy\r
\r
- @retval EFI_SUCCES The I/O services were removed from the child\r
- handle\r
- @retval EFI_UNSUPPORTED The child handle does not support the I/O services\r
- that are being removed\r
- @retval EFI_INVALID_PARAMETER Child handle is not a valid EFI Handle.\r
- @retval EFI_ACCESS_DENIED The child handle could not be destroyed because\r
- its I/O services are being used.\r
- @retval other The child handle was not destroyed\r
+ @retval EFI_SUCCES The I/O services were removed from the child handle\r
+ @retval EFI_UNSUPPORTED The child handle does not support the I/O services\r
+ that are being removed.\r
+ @retval EFI_INVALID_PARAMETER Child handle is not a valid EFI Handle.\r
+ @retval EFI_ACCESS_DENIED The child handle could not be destroyed because its\r
+ I/O services are being used.\r
+ @retval other The child handle was not destroyed\r
\r
**/\r
EFI_STATUS\r
return EFI_SUCCESS;\r
}\r
\r
+/**\r
+ This is the declaration of an EFI image entry point. This entry point is\r
+ the same for UEFI Applications, UEFI OS Loaders, and UEFI Drivers including\r
+ both device drivers and bus drivers.\r
+ \r
+ The entry point for Udp4 driver which installs the driver binding\r
+ and component name protocol on its ImageHandle.\r
+\r
+ @param ImageHandle The firmware allocated handle for the UEFI image.\r
+ @param SystemTable A pointer to the EFI System Table.\r
+\r
+ @retval EFI_SUCCESS The operation completed successfully.\r
+ @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.\r
\r
+**/\r
EFI_STATUS\r
EFIAPI\r
Udp4DriverEntryPoint (\r
IN EFI_HANDLE ImageHandle,\r
IN EFI_SYSTEM_TABLE *SystemTable\r
)\r
-/*++\r
-\r
-Routine Description:\r
-\r
- The entry point for Udp4 driver which installs the driver binding\r
- and component name protocol on its ImageHandle.\r
-\r
-Arguments:\r
-\r
- ImageHandle - The image handle of the driver.\r
- SystemTable - The system table.\r
-\r
-Returns:\r
-\r
- EFI_SUCCESS - if the driver binding and component name protocols are\r
- successfully installed, otherwise if failed.\r
-\r
---*/\r
{\r
EFI_STATUS Status;\r
\r
projects / mirror_edk2.git / blobdiff