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/*-
* Copyright (c) 2017 Eric McCorkle
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#include <stdbool.h>
#include <efi.h>
#include <efilib.h>
#include "efi_driver_utils.h"
static EFI_GUID DriverBindingProtocolGUID = DRIVER_BINDING_PROTOCOL;
EFI_STATUS
connect_controllers(EFI_GUID *filter)
{
EFI_STATUS status;
EFI_HANDLE *handles;
UINTN nhandles, i, hsize;
nhandles = 0;
hsize = 0;
status = BS->LocateHandle(ByProtocol, filter, NULL,
&hsize, NULL);
if(status != EFI_BUFFER_TOO_SMALL) {
return (status);
}
handles = malloc(hsize);
nhandles = hsize / sizeof(EFI_HANDLE);
status = BS->LocateHandle(ByProtocol, filter, NULL,
&hsize, handles);
if(EFI_ERROR(status)) {
return (status);
}
for(i = 0; i < nhandles; i++) {
BS->ConnectController(handles[i], NULL, NULL, true);
}
free(handles);
return (status);
}
EFI_STATUS
install_driver(EFI_DRIVER_BINDING *driver)
{
EFI_STATUS status;
driver->ImageHandle = IH;
driver->DriverBindingHandle = NULL;
status = BS->InstallMultipleProtocolInterfaces(
&(driver->DriverBindingHandle),
&DriverBindingProtocolGUID, driver,
NULL);
if (EFI_ERROR(status)) {
printf("Failed to install driver (%ld)!\n",
EFI_ERROR_CODE(status));
}
return (status);
}
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