feat(fvp): implement LFA get components API
Introduce platform-specific implementation of
`plat_lfa_get_components()` for the Arm FVP platform. This function
returns LFA component metadata, including component ID, UUID for
each supported firmware image and number of components.
Change-Id: I9e7cbce5865becf3e4babcb770bc5eb3b69a0be8
Signed-off-by: Manish V Badarkhe <Manish.Badarkhe@arm.com>
diff --git a/include/plat/common/plat_lfa.h b/include/plat/common/plat_lfa.h
new file mode 100644
index 0000000..48f7c8e
--- /dev/null
+++ b/include/plat/common/plat_lfa.h
@@ -0,0 +1,19 @@
+/*
+ * Copyright (c) 2025, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef PLAT_LFA_H
+#define PLAT_LFA_H
+
+#include <tools_share/uuid.h>
+
+typedef struct plat_lfa_component_info {
+ const uint32_t lfa_component_id;
+ const uuid_t uuid;
+} plat_lfa_component_info_t;
+
+uint32_t plat_lfa_get_components(plat_lfa_component_info_t **components);
+
+#endif /* PLAT_LFA_H */
diff --git a/include/plat/common/platform.h b/include/plat/common/platform.h
index b9985a3..8c6ee98 100644
--- a/include/plat/common/platform.h
+++ b/include/plat/common/platform.h
@@ -24,6 +24,9 @@
#if DRTM_SUPPORT
#include "plat_drtm.h"
#endif /* DRTM_SUPPORT */
+#if LFA_SUPPORT
+#include "plat_lfa.h"
+#endif /* LFA_SUPPORT */
/*******************************************************************************
* Forward declarations
diff --git a/plat/arm/board/fvp/fvp_lfa.c b/plat/arm/board/fvp/fvp_lfa.c
new file mode 100644
index 0000000..75afdeb
--- /dev/null
+++ b/plat/arm/board/fvp/fvp_lfa.c
@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) 2025, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <errno.h>
+#include <plat/common/platform.h>
+#include <tools_share/firmware_image_package.h>
+
+#include <fvp_lfa_components.h>
+
+/* Keep this array consistent with enum fvp_lfa_component_id_t */
+static plat_lfa_component_info_t fvp_lfa_components[LFA_MAX_DEFINED_COMPONENTS] = {
+ [LFA_BL31_COMPONENT] = {LFA_BL31_COMPONENT, UUID_EL3_RUNTIME_FIRMWARE_BL31},
+#if BL32_BASE
+ [LFA_BL32_COMPONENT] = {LFA_BL32_COMPONENT, UUID_SECURE_PAYLOAD_BL32},
+#endif /* BL32_BASE */
+ [LFA_BL33_COMPONENT] = {LFA_BL33_COMPONENT, UUID_NON_TRUSTED_FIRMWARE_BL33},
+#if ENABLE_RME
+ [LFA_RMM_COMPONENT] = {LFA_RMM_COMPONENT, UUID_REALM_MONITOR_MGMT_FIRMWARE},
+#endif /* ENABLE_RME */
+};
+
+uint32_t plat_lfa_get_components(plat_lfa_component_info_t **components)
+{
+ if (components == NULL) {
+ return -EINVAL;
+ }
+
+ *components = fvp_lfa_components;
+ return LFA_MAX_DEFINED_COMPONENTS;
+}
diff --git a/plat/arm/board/fvp/include/fvp_lfa_components.h b/plat/arm/board/fvp/include/fvp_lfa_components.h
new file mode 100644
index 0000000..09dcdfd
--- /dev/null
+++ b/plat/arm/board/fvp/include/fvp_lfa_components.h
@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2025, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef FVP_LFA_COMPONENTS_H
+#define FVP_LFA_COMPONENTS_H
+
+/*
+ * Define platform-specific numeric IDs for LFA FVP components.
+ */
+typedef enum {
+ LFA_BL31_COMPONENT = 0,
+#if BL32_BASE
+ LFA_BL32_COMPONENT,
+#endif /* BL32_BASE */
+ LFA_BL33_COMPONENT,
+#if ENABLE_RME
+ LFA_RMM_COMPONENT,
+#endif /* ENABLE_RME */
+ LFA_MAX_DEFINED_COMPONENTS
+} fvp_lfa_component_id_t;
+
+#endif /* FVP_LFA_COMPONENTS_H */
diff --git a/plat/arm/board/fvp/platform.mk b/plat/arm/board/fvp/platform.mk
index ea1b7e7..7f1dfc6 100644
--- a/plat/arm/board/fvp/platform.mk
+++ b/plat/arm/board/fvp/platform.mk
@@ -591,3 +591,7 @@
# Build macro necessary for running SPM tests on FVP platform
$(eval $(call add_define,PLAT_TEST_SPM))
+
+ifeq (${LFA_SUPPORT},1)
+BL31_SOURCES += plat/arm/board/fvp/fvp_lfa.c
+endif