[PATCH 1/2] uefi: add the header for using efi runtime service
Ivan Hu
ivan.hu at canonical.com
Mon Jul 4 09:25:34 UTC 2016
Planning to upstream efi_runtime kernel module, add a header file for using uefi
runtime service on user space.
Signed-off-by: Ivan Hu <ivan.hu at canonical.com>
---
src/lib/include/fwts_efi_runtime.h | 160 +++++++++++++++++++++++++++++++
src/uefi/uefirtauthvar/uefirtauthvar.c | 2 +-
src/uefi/uefirtmisc/uefirtmisc.c | 2 +-
src/uefi/uefirttime/uefirttime.c | 2 +-
src/uefi/uefirtvariable/uefirtvariable.c | 2 +-
src/uefi/uefivarinfo/uefivarinfo.c | 2 +-
6 files changed, 165 insertions(+), 5 deletions(-)
create mode 100644 src/lib/include/fwts_efi_runtime.h
diff --git a/src/lib/include/fwts_efi_runtime.h b/src/lib/include/fwts_efi_runtime.h
new file mode 100644
index 0000000..a65de31
--- /dev/null
+++ b/src/lib/include/fwts_efi_runtime.h
@@ -0,0 +1,160 @@
+/*
+ * Copyright(C) 2016 Canonical Ltd.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#ifndef _FWTS_EFI_RUNTIME_H_
+#define _FWTS_EFI_RUNTIME_H_
+
+typedef enum {
+ EfiResetCold,
+ EfiResetWarm,
+ EfiResetShutdown
+} EFI_RESET_TYPE;
+
+typedef struct {
+ uint32_t Data1;
+ uint16_t Data2;
+ uint16_t Data3;
+ uint8_t Data4[8];
+} __attribute__ ((packed)) EFI_GUID;
+
+typedef struct {
+ uint16_t Year; /* 1900 – 9999 */
+ uint8_t Month; /* 1 – 12 */
+ uint8_t Day; /* 1 – 31 */
+ uint8_t Hour; /* 0 – 23 */
+ uint8_t Minute; /* 0 – 59 */
+ uint8_t Second; /* 0 – 59 */
+ uint8_t Pad1;
+ uint32_t Nanosecond; /* 0 – 999,999,999 */
+ int16_t TimeZone; /* -1440 to 1440 or 2047 */
+ uint8_t Daylight;
+ uint8_t Pad2;
+} __attribute__ ((packed)) EFI_TIME;
+
+typedef struct {
+ uint32_t Resolution;
+ uint32_t Accuracy;
+ uint8_t SetsToZero;
+} __attribute__ ((packed)) EFI_TIME_CAPABILITIES;
+
+typedef struct {
+ EFI_GUID CapsuleGuid;
+ uint32_t HeaderSize;
+ uint32_t Flags;
+ uint32_t CapsuleImageSize;
+} __attribute__ ((packed)) EFI_CAPSULE_HEADER;
+
+struct efi_getvariable {
+ uint16_t *VariableName;
+ EFI_GUID *VendorGuid;
+ uint32_t *Attributes;
+ uint64_t *DataSize;
+ void *Data;
+ uint64_t *status;
+} __attribute__ ((packed));
+
+struct efi_setvariable {
+ uint16_t *VariableName;
+ EFI_GUID *VendorGuid;
+ uint32_t Attributes;
+ uint64_t DataSize;
+ void *Data;
+ uint64_t *status;
+} __attribute__ ((packed));
+
+struct efi_getnextvariablename {
+ uint64_t *VariableNameSize;
+ uint16_t *VariableName;
+ EFI_GUID *VendorGuid;
+ uint64_t *status;
+} __attribute__ ((packed));
+
+struct efi_queryvariableinfo {
+ uint32_t Attributes;
+ uint64_t *MaximumVariableStorageSize;
+ uint64_t *RemainingVariableStorageSize;
+ uint64_t *MaximumVariableSize;
+ uint64_t *status;
+} __attribute__ ((packed));
+
+struct efi_gettime {
+ EFI_TIME *Time;
+ EFI_TIME_CAPABILITIES *Capabilities;
+ uint64_t *status;
+} __attribute__ ((packed));
+
+struct efi_settime {
+ EFI_TIME *Time;
+ uint64_t *status;
+} __attribute__ ((packed));
+
+struct efi_getwakeuptime {
+ uint8_t *Enabled;
+ uint8_t *Pending;
+ EFI_TIME *Time;
+ uint64_t *status;
+} __attribute__ ((packed));
+
+struct efi_setwakeuptime {
+ uint8_t Enabled;
+ EFI_TIME *Time;
+ uint64_t *status;
+} __attribute__ ((packed));
+
+struct efi_getnexthighmonotoniccount {
+ uint32_t *HighCount;
+ uint64_t *status;
+} __attribute__ ((packed));
+
+struct efi_querycapsulecapabilities {
+ EFI_CAPSULE_HEADER **CapsuleHeaderArray;
+ uint64_t CapsuleCount;
+ uint64_t *MaximumCapsuleSize;
+ EFI_RESET_TYPE *ResetType;
+ uint64_t *status;
+} __attribute__ ((packed));
+
+/* ioctl calls that are permitted to the /dev/efi_runtime interface. */
+#define EFI_RUNTIME_GET_VARIABLE \
+ _IOWR('p', 0x01, struct efi_getvariable)
+#define EFI_RUNTIME_SET_VARIABLE \
+ _IOW('p', 0x02, struct efi_setvariable)
+
+#define EFI_RUNTIME_GET_TIME \
+ _IOR('p', 0x03, struct efi_gettime)
+#define EFI_RUNTIME_SET_TIME \
+ _IOW('p', 0x04, struct efi_settime)
+
+#define EFI_RUNTIME_GET_WAKETIME \
+ _IOR('p', 0x05, struct efi_getwakeuptime)
+#define EFI_RUNTIME_SET_WAKETIME \
+ _IOW('p', 0x06, struct efi_setwakeuptime)
+
+#define EFI_RUNTIME_GET_NEXTVARIABLENAME \
+ _IOWR('p', 0x07, struct efi_getnextvariablename)
+
+#define EFI_RUNTIME_QUERY_VARIABLEINFO \
+ _IOR('p', 0x08, struct efi_queryvariableinfo)
+
+#define EFI_RUNTIME_GET_NEXTHIGHMONOTONICCOUNT \
+ _IOR('p', 0x09, struct efi_getnexthighmonotoniccount)
+
+#define EFI_RUNTIME_QUERY_CAPSULECAPABILITIES \
+ _IOR('p', 0x0A, struct efi_querycapsulecapabilities)
+
+#endif /* _FWTS_EFI_RUNTIME_H_ */
diff --git a/src/uefi/uefirtauthvar/uefirtauthvar.c b/src/uefi/uefirtauthvar/uefirtauthvar.c
index 6d8c385..ed23a8e 100644
--- a/src/uefi/uefirtauthvar/uefirtauthvar.c
+++ b/src/uefi/uefirtauthvar/uefirtauthvar.c
@@ -27,7 +27,7 @@
#include <fcntl.h>
#include "fwts_uefi.h"
-#include "efi_runtime.h"
+#include "fwts_efi_runtime.h"
#include "fwts_efi_module.h"
#include "authvardefs.h"
diff --git a/src/uefi/uefirtmisc/uefirtmisc.c b/src/uefi/uefirtmisc/uefirtmisc.c
index 0b319d7..347b2b1 100644
--- a/src/uefi/uefirtmisc/uefirtmisc.c
+++ b/src/uefi/uefirtmisc/uefirtmisc.c
@@ -27,7 +27,7 @@
#include <fcntl.h>
#include "fwts_uefi.h"
-#include "efi_runtime.h"
+#include "fwts_efi_runtime.h"
#include "fwts_efi_module.h"
#define CAPSULE_FLAGS_PERSIST_ACROSS_RESET 0x00010000
diff --git a/src/uefi/uefirttime/uefirttime.c b/src/uefi/uefirttime/uefirttime.c
index 5c883a5..f79e2da 100644
--- a/src/uefi/uefirttime/uefirttime.c
+++ b/src/uefi/uefirttime/uefirttime.c
@@ -27,7 +27,7 @@
#include <fcntl.h>
#include "fwts_uefi.h"
-#include "efi_runtime.h"
+#include "fwts_efi_runtime.h"
#include "fwts_efi_module.h"
#define UEFI_IGNORE_UNSET_BITS (0)
diff --git a/src/uefi/uefirtvariable/uefirtvariable.c b/src/uefi/uefirtvariable/uefirtvariable.c
index aca0202..f60dbad 100644
--- a/src/uefi/uefirtvariable/uefirtvariable.c
+++ b/src/uefi/uefirtvariable/uefirtvariable.c
@@ -27,7 +27,7 @@
#include <fcntl.h>
#include "fwts_uefi.h"
-#include "efi_runtime.h"
+#include "fwts_efi_runtime.h"
#include "fwts_efi_module.h"
#define TEST_GUID1 \
diff --git a/src/uefi/uefivarinfo/uefivarinfo.c b/src/uefi/uefivarinfo/uefivarinfo.c
index 005e3a1..22afe53 100644
--- a/src/uefi/uefivarinfo/uefivarinfo.c
+++ b/src/uefi/uefivarinfo/uefivarinfo.c
@@ -27,7 +27,7 @@
#include <fcntl.h>
#include "fwts_uefi.h"
-#include "efi_runtime.h"
+#include "fwts_efi_runtime.h"
#include "fwts_efi_module.h"
#define MAX_VARNAME_LENGTH 1024
--
1.9.1
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