Add exporting the UEFI runtime service ResetSystem for upper application or test
tools to use.
Signed-off-by: Ivan Hu <ivan...@canonical.com>
---
drivers/firmware/efi/test/efi_test.c | 27 +++++++++++++++++++++++++++
drivers/firmware/efi/test/efi_test.h | 10 ++++++++++
2 files changed, 37 insertions(+)
diff --git a/drivers/firmware/efi/test/efi_test.c
b/drivers/firmware/efi/test/efi_test.c
index 08129b7..a00cb67 100644
--- a/drivers/firmware/efi/test/efi_test.c
+++ b/drivers/firmware/efi/test/efi_test.c
@@ -542,6 +542,30 @@ static long efi_runtime_get_nexthighmonocount(unsigned
long arg)
return 0;
}
+static long efi_runtime_reset_system(unsigned long arg)
+{
+ struct efi_resetsystem __user *resetsystem_user;
+ struct efi_resetsystem resetsystem;
+ void *data = NULL;
+
+ resetsystem_user = (struct efi_resetsystem __user *)arg;
+ if (copy_from_user(&resetsystem, resetsystem_user,
+ sizeof(resetsystem)))
+ return -EFAULT;
+ if (resetsystem.data_size != 0) {
+ data = memdup_user((void *)resetsystem.data,
+ resetsystem.data_size);
+ if (IS_ERR(data))
+ return PTR_ERR(data);
+ }
+
+ efi.reset_system(resetsystem.reset_type, resetsystem.status,
+ resetsystem.data_size, (efi_char16_t *)data);
+
+ kfree(data);
+ return 0;
+}
+
static long efi_runtime_query_variableinfo(unsigned long arg)
{
struct efi_queryvariableinfo __user *queryvariableinfo_user;
@@ -679,6 +703,9 @@ static long efi_test_ioctl(struct file *file, unsigned int
cmd,
case EFI_RUNTIME_QUERY_CAPSULECAPABILITIES:
return efi_runtime_query_capsulecaps(arg);
+
+ case EFI_RUNTIME_RESET_SYSTEM:
+ return efi_runtime_reset_system(arg);
}
return -ENOTTY;
diff --git a/drivers/firmware/efi/test/efi_test.h
b/drivers/firmware/efi/test/efi_test.h
index a33a6c6..1cc421a 100644
--- a/drivers/firmware/efi/test/efi_test.h
+++ b/drivers/firmware/efi/test/efi_test.h
@@ -80,6 +80,13 @@ struct efi_querycapsulecapabilities {
efi_status_t *status;
} __packed;
+struct efi_resetsystem {
+ int reset_type;
+ efi_status_t status;
+ unsigned long data_size;
+ efi_char16_t *data;
+} __packed;
+
#define EFI_RUNTIME_GET_VARIABLE \
_IOWR('p', 0x01, struct efi_getvariable)
#define EFI_RUNTIME_SET_VARIABLE \
@@ -107,4 +114,7 @@ struct efi_querycapsulecapabilities {
#define EFI_RUNTIME_QUERY_CAPSULECAPABILITIES \
_IOR('p', 0x0A, struct efi_querycapsulecapabilities)
+#define EFI_RUNTIME_RESET_SYSTEM \
+ _IOW('p', 0x0B, struct efi_resetsystem)
+
#endif /* _DRIVERS_FIRMWARE_EFI_TEST_H_ */
--
2.7.4
