[PATCH v2 2/3] efi: ECPT add EBBRv2.0 conformance profile

[Jose Marinho]

Display the EBBRv2.0 conformance in the ECPT table.

The EBBRv2.0 conformance profile is set in the ECPT if
CONFIG_EFI_EBBR_2_0_CONFORMANCE=y.
The config defaults to 'n'.

Signed-off-by: Jose Marinho <jose.marinho at arm.com>
---
 include/efi_api.h                | 4 ++++
 lib/efi_loader/Kconfig           | 5 +++++
 lib/efi_loader/efi_conformance.c | 9 +++++++++
 3 files changed, 18 insertions(+)

diff --git a/include/efi_api.h b/include/efi_api.h
index 6fd4f04de3..49919caa35 100644
--- a/include/efi_api.h
+++ b/include/efi_api.h
@@ -230,6 +230,10 @@ enum efi_reset_type {
 	EFI_GUID(0x36122546, 0xf7ef, 0x4c8f, 0xbd, 0x9b, \
 		 0xeb, 0x85, 0x25, 0xb5, 0x0c, 0x0b)
 
+#define EFI_CONFORMANCE_PROFILE_EBBR_2_0_GUID \
+	EFI_GUID(0xcce33c35, 0x74ac, 0x4087, 0xbc, 0xe7, \
+		 0x8b, 0x29, 0xb0, 0x2e, 0xeb, 0x27)
+
 struct efi_conformance_profiles_table {
 	u16 version;
 	u16 number_of_profiles;
diff --git a/lib/efi_loader/Kconfig b/lib/efi_loader/Kconfig
index b2398976f4..9688d48366 100644
--- a/lib/efi_loader/Kconfig
+++ b/lib/efi_loader/Kconfig
@@ -373,4 +373,9 @@ config EFI_ECPT
 	help
 	  Enabling this option created the ECPT UEFI table.
 
+config EFI_EBBR_2_0_CONFORMANCE
+	bool "Add the EBBRv2.0 conformance entry to the ECPT table"
+	default n
+	help
+	  Enabling this option adds the EBBRv2.0 conformance entry to the ECPT UEFI table.
 endif
diff --git a/lib/efi_loader/efi_conformance.c b/lib/efi_loader/efi_conformance.c
index 1bb06c3b7e..325afe2d56 100644
--- a/lib/efi_loader/efi_conformance.c
+++ b/lib/efi_loader/efi_conformance.c
@@ -12,6 +12,7 @@
 #include <malloc.h>
 
 const efi_guid_t efi_ecpt_guid = EFI_CONFORMANCE_PROFILES_TABLE_GUID;
+const efi_guid_t efi_ebbr_2_0_guid = EFI_CONFORMANCE_PROFILE_EBBR_2_0_GUID;
 
 #define EFI_CONFORMANCE_PROFILES_TABLE_VERSION 1
 
@@ -29,6 +30,9 @@ efi_status_t efi_ecpt_register(void)
 
 	efi_debug("ECPT table creation start\n");
 
+	if (IS_ENABLED(CONFIG_EFI_EBBR_2_0_CONFORMANCE))
+		num_entries++;
+
 	ecpt_size = num_entries * sizeof(efi_guid_t)
 		+ sizeof(struct efi_conformance_profiles_table);
 	ret = efi_allocate_pool(EFI_BOOT_SERVICES_DATA, ecpt_size,
@@ -44,6 +48,11 @@ efi_status_t efi_ecpt_register(void)
 	ecpt->version = EFI_CONFORMANCE_PROFILES_TABLE_VERSION;
 	ecpt->number_of_profiles = num_entries;
 
+	if (IS_ENABLED(CONFIG_EFI_EBBR_2_0_CONFORMANCE)) {
+		num_entries--;
+		guidcpy(&ecpt->conformance_profiles[num_entries], &efi_ecpt_guid);
+	}
+
 	if (num_entries)
 		efi_debug("ECPT check conformance profiles, not all entries populated in table\n");
 
-- 
2.25.1