efi_selftest: unit test for EFI_GROUP_BEFORE_EXIT_BOOT_SERVICE

Add a test for the EFI_GROUP_BEFORE_EXIT_BOOT_SERVICE event group.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>

diff --git a/lib/efi_selftest/efi_selftest_exitbootservices.c b/lib/efi_selftest/efi_selftest_exitbootservices.c
index 4fecd1b..59ab154 100644 (file)
--- a/lib/efi_selftest/efi_selftest_exitbootservices.c
+++ b/lib/efi_selftest/efi_selftest_exitbootservices.c
@@ -10,9 +10,34 @@
 
 #include <efi_selftest.h>
 
+static efi_guid_t guid_before_exit_boot_services =
+       EFI_GUID(0x8be0e274, 0x3970, 0x4b44, 0x80, 0xc5,
+                0x1a, 0xb9, 0x50, 0x2f, 0x3b, 0xfc);
+#define CAPACITY 4
+
+struct notification_record {
+       unsigned int count;
+       unsigned int type[CAPACITY];
+};
+
+struct notification_context {
+       struct notification_record *record;
+       unsigned int type;
+};
+
 static struct efi_boot_services *boottime;
 static struct efi_event *event_notify;
-static unsigned int notification_count;
+struct notification_record record;
+
+struct notification_context context_before = {
+       .record = &record,
+       .type = 1,
+};
+
+struct notification_context context = {
+       .record = &record,
+       .type = 2,
+};
 
 /*
  * Notification function, increments the notification count.
@@ -20,11 +45,15 @@ static unsigned int notification_count;
  * @event      notified event
  * @context    pointer to the notification count
  */
-static void EFIAPI notify(struct efi_event *event, void *context)
+static void EFIAPI ebs_notify(struct efi_event *event, void *context)
 {
-       unsigned int *count = context;
+       struct notification_context *ctx = context;
+
+       if (ctx->record->count >= CAPACITY)
+               return;
 
-       ++*count;
+       ctx->record->type[ctx->record->count] = ctx->type;
+       ctx->record->count++;
 }
 
 /*
@@ -43,15 +72,23 @@ static int setup(const efi_handle_t handle,
 
        boottime = systable->boottime;
 
-       notification_count = 0;
        ret = boottime->create_event(EVT_SIGNAL_EXIT_BOOT_SERVICES,
-                                    TPL_CALLBACK, notify,
-                                    (void *)&notification_count,
+                                    TPL_CALLBACK, ebs_notify,
+                                    &context,
                                     &event_notify);
        if (ret != EFI_SUCCESS) {
                efi_st_error("could not create event\n");
                return EFI_ST_FAILURE;
        }
+       ret = boottime->create_event_ex(0, TPL_CALLBACK, ebs_notify,
+                                       &context_before,
+                                       &guid_before_exit_boot_services,
+                                       &event_notify);
+       if (ret != EFI_SUCCESS) {
+               efi_st_error("could not create event\n");
+               return EFI_ST_FAILURE;
+       }
+
        return EFI_ST_SUCCESS;
 }
 
@@ -68,13 +105,21 @@ static int setup(const efi_handle_t handle,
  */
 static int execute(void)
 {
-       if (notification_count != 1) {
-               efi_st_error("ExitBootServices was not notified\n");
+       if (record.count != 2) {
+               efi_st_error("Incorrect event count %u\n", record.count);
+               return EFI_ST_FAILURE;
+       }
+       if (record.type[0] != 1) {
+               efi_st_error("EFI_GROUP_BEFORE_EXIT_BOOT_SERVICE not notified\n");
+               return EFI_ST_FAILURE;
+       }
+       if (record.type[1] != 2) {
+               efi_st_error("EVT_SIGNAL_EXIT_BOOT_SERVICES was not notified\n");
                return EFI_ST_FAILURE;
        }
        efi_st_exit_boot_services();
-       if (notification_count != 1) {
-               efi_st_error("ExitBootServices was notified twice\n");
+       if (record.count != 2) {
+               efi_st_error("Incorrect event count %u\n", record.count);
                return EFI_ST_FAILURE;
        }
        return EFI_ST_SUCCESS;