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[efi] Rename efi_blacklist to efi_veto
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Signed-off-by: Michael Brown <mcb30@ipxe.org>
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mcb30 committed Nov 7, 2020
1 parent 580d9b0 commit 0e26220
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Showing 5 changed files with 61 additions and 62 deletions.
13 changes: 0 additions & 13 deletions src/include/ipxe/efi/efi_blacklist.h

This file was deleted.

13 changes: 13 additions & 0 deletions src/include/ipxe/efi/efi_veto.h
Original file line number Diff line number Diff line change
@@ -0,0 +1,13 @@
#ifndef _IPXE_EFI_VETO_H
#define _IPXE_EFI_VETO_H

/** @file
*
* EFI driver vetoes
*/

FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );

extern void efi_veto_unload ( void );

#endif /* _IPXE_EFI_VETO_H */
2 changes: 1 addition & 1 deletion src/include/ipxe/errfile.h
Original file line number Diff line number Diff line change
Expand Up @@ -380,7 +380,7 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
#define ERRFILE_cert_cmd ( ERRFILE_OTHER | 0x004f0000 )
#define ERRFILE_acpi_settings ( ERRFILE_OTHER | 0x00500000 )
#define ERRFILE_ntlm ( ERRFILE_OTHER | 0x00510000 )
#define ERRFILE_efi_blacklist ( ERRFILE_OTHER | 0x00520000 )
#define ERRFILE_efi_veto ( ERRFILE_OTHER | 0x00520000 )

/** @} */

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89 changes: 44 additions & 45 deletions src/interface/efi/efi_blacklist.c → src/interface/efi/efi_veto.c
Original file line number Diff line number Diff line change
Expand Up @@ -27,43 +27,43 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
#include <ipxe/efi/Protocol/DriverBinding.h>
#include <ipxe/efi/Protocol/LoadedImage.h>
#include <ipxe/efi/Protocol/ComponentName.h>
#include <ipxe/efi/efi_blacklist.h>
#include <ipxe/efi/efi_veto.h>

/** @file
*
* EFI driver blacklist
* EFI driver vetoes
*
*/

/** A blacklisted driver */
struct efi_blacklist {
/** Name */
/** A driver veto */
struct efi_veto {
/** Veto name (for debugging) */
const char *name;
/**
* Check if driver is blacklisted
* Check if driver is vetoed
*
* @v binding Driver binding protocol
* @v loaded Loaded image protocol
* @v wtf Component name protocol, if present
* @ret blacklisted Driver is the blacklisted driver
* @ret vetoed Driver is to be vetoed
*/
int ( * blacklist ) ( EFI_DRIVER_BINDING_PROTOCOL *binding,
EFI_LOADED_IMAGE_PROTOCOL *loaded,
EFI_COMPONENT_NAME_PROTOCOL *wtf );
int ( * veto ) ( EFI_DRIVER_BINDING_PROTOCOL *binding,
EFI_LOADED_IMAGE_PROTOCOL *loaded,
EFI_COMPONENT_NAME_PROTOCOL *wtf );
};

/**
* Blacklist Dell Ip4ConfigDxe driver
* Veto Dell Ip4ConfigDxe driver
*
* @v binding Driver binding protocol
* @v loaded Loaded image protocol
* @v wtf Component name protocol, if present
* @ret blacklisted Driver is the blacklisted driver
* @ret vetoed Driver is to be vetoed
*/
static int
efi_blacklist_dell_ip4config ( EFI_DRIVER_BINDING_PROTOCOL *binding __unused,
EFI_LOADED_IMAGE_PROTOCOL *loaded __unused,
EFI_COMPONENT_NAME_PROTOCOL *wtf ) {
efi_veto_dell_ip4config ( EFI_DRIVER_BINDING_PROTOCOL *binding __unused,
EFI_LOADED_IMAGE_PROTOCOL *loaded __unused,
EFI_COMPONENT_NAME_PROTOCOL *wtf ) {
static const CHAR16 ip4cfg[] = L"IP4 CONFIG Network Service Driver";
static const char dell[] = "Dell Inc.";
char manufacturer[ sizeof ( dell ) ];
Expand All @@ -86,23 +86,22 @@ efi_blacklist_dell_ip4config ( EFI_DRIVER_BINDING_PROTOCOL *binding __unused,
return 1;
}

/** Blacklisted drivers */
static struct efi_blacklist efi_blacklists[] = {
/** Driver vetoes */
static struct efi_veto efi_vetoes[] = {
{
.name = "Dell Ip4Config",
.blacklist = efi_blacklist_dell_ip4config,
.veto = efi_veto_dell_ip4config,
},
};

/**
* Find driver blacklisting, if any
* Find driver veto, if any
*
* @v driver Driver binding handle
* @ret blacklist Driver blacklisting, or NULL
* @ret veto Driver veto, or NULL
* @ret rc Return status code
*/
static int efi_blacklist ( EFI_HANDLE driver,
struct efi_blacklist **blacklist ) {
static int efi_veto ( EFI_HANDLE driver, struct efi_veto **veto ) {
EFI_BOOT_SERVICES *bs = efi_systab->BootServices;
union {
EFI_DRIVER_BINDING_PROTOCOL *binding;
Expand All @@ -121,19 +120,19 @@ static int efi_blacklist ( EFI_HANDLE driver,
EFI_STATUS efirc;
int rc;

DBGC2 ( &efi_blacklists, "EFIBL checking %s\n",
DBGC2 ( &efi_vetoes, "EFIVETO checking %s\n",
efi_handle_name ( driver ) );

/* Mark as not blacklisted */
*blacklist = NULL;
/* Mark as not vetoed */
*veto = NULL;

/* Open driver binding protocol */
if ( ( efirc = bs->OpenProtocol (
driver, &efi_driver_binding_protocol_guid,
&binding.interface, efi_image_handle, driver,
EFI_OPEN_PROTOCOL_GET_PROTOCOL ) ) != 0 ) {
rc = -EEFI ( efirc );
DBGC ( driver, "EFIBL %s could not open driver binding "
DBGC ( driver, "EFIVETO %s could not open driver binding "
"protocol: %s\n", efi_handle_name ( driver ),
strerror ( rc ) );
goto err_binding;
Expand All @@ -146,7 +145,7 @@ static int efi_blacklist ( EFI_HANDLE driver,
&loaded.interface, efi_image_handle, image,
EFI_OPEN_PROTOCOL_GET_PROTOCOL ) ) != 0 ) {
rc = -EEFI ( efirc );
DBGC ( driver, "EFIBL %s could not open",
DBGC ( driver, "EFIVETO %s could not open",
efi_handle_name ( driver ) );
DBGC ( driver, " %s loaded image protocol: %s\n",
efi_handle_name ( image ), strerror ( rc ) );
Expand All @@ -162,12 +161,12 @@ static int efi_blacklist ( EFI_HANDLE driver,
wtf.interface = NULL;
}

/* Check blacklistings */
for ( i = 0 ; i < ( sizeof ( efi_blacklists ) /
sizeof ( efi_blacklists[0] ) ) ; i++ ) {
if ( efi_blacklists[i].blacklist ( binding.binding,
loaded.loaded, wtf.wtf ) ) {
*blacklist = &efi_blacklists[i];
/* Check vetoes */
for ( i = 0 ; i < ( sizeof ( efi_vetoes ) /
sizeof ( efi_vetoes[0] ) ) ; i++ ) {
if ( efi_vetoes[i].veto ( binding.binding, loaded.loaded,
wtf.wtf ) ) {
*veto = &efi_vetoes[i];
break;
}
}
Expand All @@ -190,12 +189,12 @@ static int efi_blacklist ( EFI_HANDLE driver,
}

/**
* Unload any blacklisted drivers
* Unload any vetoed drivers
*
*/
void efi_unload_blacklist ( void ) {
void efi_veto_unload ( void ) {
EFI_BOOT_SERVICES *bs = efi_systab->BootServices;
struct efi_blacklist *blacklist;
struct efi_veto *veto;
EFI_HANDLE *drivers;
EFI_HANDLE driver;
UINTN num_drivers;
Expand All @@ -208,26 +207,26 @@ void efi_unload_blacklist ( void ) {
ByProtocol, &efi_driver_binding_protocol_guid,
NULL, &num_drivers, &drivers ) ) != 0 ) {
rc = -EEFI ( efirc );
DBGC ( &efi_blacklists, "EFIBL could not list all drivers: "
DBGC ( &efi_vetoes, "EFIVETO could not list all drivers: "
"%s\n", strerror ( rc ) );
return;
}

/* Unload any blacklisted drivers */
/* Unload any vetoed drivers */
for ( i = 0 ; i < num_drivers ; i++ ) {
driver = drivers[i];
if ( ( rc = efi_blacklist ( driver, &blacklist ) ) != 0 ) {
DBGC ( driver, "EFIBL could not determine "
"blacklisting for %s: %s\n",
if ( ( rc = efi_veto ( driver, &veto ) ) != 0 ) {
DBGC ( driver, "EFIVETO could not determine "
"vetoing for %s: %s\n",
efi_handle_name ( driver ), strerror ( rc ) );
continue;
}
if ( ! blacklist )
if ( ! veto )
continue;
DBGC ( driver, "EFIBL unloading %s (%s)\n",
efi_handle_name ( driver ), blacklist->name );
DBGC ( driver, "EFIVETO unloading %s (%s)\n",
efi_handle_name ( driver ), veto->name );
if ( ( efirc = bs->UnloadImage ( driver ) ) != 0 ) {
DBGC ( driver, "EFIBL could not unload %s: %s\n",
DBGC ( driver, "EFIVETO could not unload %s: %s\n",
efi_handle_name ( driver ), strerror ( rc ) );
}
}
Expand Down
6 changes: 3 additions & 3 deletions src/interface/efi/efiprefix.c
Original file line number Diff line number Diff line change
Expand Up @@ -27,7 +27,7 @@ FILE_LICENCE ( GPL2_OR_LATER );
#include <ipxe/efi/efi_snp.h>
#include <ipxe/efi/efi_autoboot.h>
#include <ipxe/efi/efi_watchdog.h>
#include <ipxe/efi/efi_blacklist.h>
#include <ipxe/efi/efi_veto.h>

/**
* EFI entry point
Expand Down Expand Up @@ -79,8 +79,8 @@ EFI_STATUS EFIAPI _efi_start ( EFI_HANDLE image_handle,
*/
static int efi_probe ( struct root_device *rootdev __unused ) {

/* Unloaded any blacklisted drivers */
efi_unload_blacklist();
/* Unloaded any vetoed drivers */
efi_veto_unload();

/* Connect our drivers */
return efi_driver_connect_all();
Expand Down

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