Merge tag 'efi-2022-01-rc4-4' of https://source.denx.de/u-boot/custodians/u-boot-efi

Pull request for efi-2022-01-rc4-4

UEFI:

* allow for more than 16 KiB UEFI variable size when using StMM

Others:

* make watchdog sysreset compatible with separate poweroff driver
* avoid OpenSSL deprecation warnings

4 files changed, 12 insertions, 11 deletions

diff --git a/lib/aes/aes-encrypt.c b/lib/aes/aes-encrypt.c
index a6d1720f30..e74e35eaa2 100644
--- a/lib/aes/aes-encrypt.c
+++ b/lib/aes/aes-encrypt.c
@@ -2,6 +2,9 @@
 /*
  * Copyright (c) 2019,Softathome
  */
+
+#define OPENSSL_API_COMPAT 0x10101000L
+
 #include "mkimage.h"
 #include <stdio.h>
 #include <string.h>
diff --git a/lib/ecdsa/ecdsa-libcrypto.c b/lib/ecdsa/ecdsa-libcrypto.c
index 1757a14562..ae6dfa0ba9 100644
--- a/lib/ecdsa/ecdsa-libcrypto.c
+++ b/lib/ecdsa/ecdsa-libcrypto.c
@@ -18,6 +18,8 @@
  * Copyright (c) 2020,2021, Alexandru Gagniuc <mr.nuke.me@gmail.com>
  */
 
+#define OPENSSL_API_COMPAT 0x10101000L
+
 #include <u-boot/ecdsa.h>
 #include <u-boot/fdt-libcrypto.h>
 #include <openssl/ssl.h>
diff --git a/lib/efi_loader/efi_variable_tee.c b/lib/efi_loader/efi_variable_tee.c
index 281f886124..a2c65e3694 100644
--- a/lib/efi_loader/efi_variable_tee.c
+++ b/lib/efi_loader/efi_variable_tee.c
@@ -15,7 +15,6 @@
 #include <malloc.h>
 #include <mm_communication.h>
 
-#define OPTEE_PAGE_SIZE BIT(12)
 extern struct efi_var_file __efi_runtime_data *efi_var_buf;
 static efi_uintn_t max_buffer_size;	/* comm + var + func + data */
 static efi_uintn_t max_payload_size;	/* func + data */
@@ -114,7 +113,11 @@ static efi_status_t optee_mm_communicate(void *comm_buf, ulong dsize)
 	rc = tee_invoke_func(conn.tee, &arg, 2, param);
 	tee_shm_free(shm);
 	tee_close_session(conn.tee, conn.session);
-	if (rc || arg.ret != TEE_SUCCESS)
+	if (rc)
+		return EFI_DEVICE_ERROR;
+	if (arg.ret == TEE_ERROR_EXCESS_DATA)
+		log_err("Variable payload too large\n");
+	if (arg.ret != TEE_SUCCESS)
 		return EFI_DEVICE_ERROR;
 
 	switch (param[1].u.value.a) {
@@ -256,15 +259,6 @@ efi_status_t EFIAPI get_max_payload(efi_uintn_t *size)
 	}
 	*size = var_payload->size;
 	/*
-	 * Although the max payload is configurable on StMM, we only share a
-	 * single page from OP-TEE for the non-secure buffer used to communicate
-	 * with StMM. Since OP-TEE will reject to map anything bigger than that,
-	 * make sure we are in bounds.
-	 */
-	if (*size > OPTEE_PAGE_SIZE)
-		*size = OPTEE_PAGE_SIZE - MM_COMMUNICATE_HEADER_SIZE  -
-			MM_VARIABLE_COMMUNICATE_SIZE;
-	/*
 	 * There seems to be a bug in EDK2 miscalculating the boundaries and
 	 * size checks, so deduct 2 more bytes to fulfill this requirement. Fix
 	 * it up here to ensure backwards compatibility with older versions
diff --git a/lib/rsa/rsa-sign.c b/lib/rsa/rsa-sign.c
index 0579e5294e..44f21416ce 100644
--- a/lib/rsa/rsa-sign.c
+++ b/lib/rsa/rsa-sign.c
@@ -3,6 +3,8 @@
  * Copyright (c) 2013, Google Inc.
  */
 
+#define OPENSSL_API_COMPAT 0x10101000L
+
 #include "mkimage.h"
 #include <stdlib.h>
 #include <stdio.h>