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[8/9] arm-bsp/secure-partitions: corstone1000: Increase SMM Gateway variable handling capacity

Message ID 20211214110731.9081-9-abdellatif.elkhlifi@arm.com
State New
Headers show
Series corstone1000: out of tree patches for secure partitions and psa-arch-tests | expand

Commit Message

Abdellatif El Khlifi Dec. 14, 2021, 11:07 a.m. UTC 
From: Gowtham Suresh Kumar <gowtham.sureshkumar@arm.com>

The maximum number of UEFI variables that can be supported by SMM
gateway is currently 40. When more than 40 variables are written,
or read SMM gateway returns error code. Currently this value is
increased to 100 to support more UEFI variables.

Change-Id: I3ebef8052fd01c5b1c19cdfe71ab3c02447a005b
Signed-off-by: Gowtham Suresh Kumar <gowtham.sureshkumar@arm.com>
---
 ...MM-gateway-UEFI-variable-macro-value.patch | 35 +++++++++++++++++++
 .../trusted-services/ts-corstone1000.inc      |  1 +
 2 files changed, 36 insertions(+)
 create mode 100644 meta-arm-bsp/recipes-security/trusted-services/secure-partitions/0024-Increase-SMM-gateway-UEFI-variable-macro-value.patch
diff mbox series

Patch

diff --git a/meta-arm-bsp/recipes-security/trusted-services/secure-partitions/0024-Increase-SMM-gateway-UEFI-variable-macro-value.patch b/meta-arm-bsp/recipes-security/trusted-services/secure-partitions/0024-Increase-SMM-gateway-UEFI-variable-macro-value.patch
new file mode 100644
index 0000000..00f80ef
--- /dev/null
+++ b/meta-arm-bsp/recipes-security/trusted-services/secure-partitions/0024-Increase-SMM-gateway-UEFI-variable-macro-value.patch
@@ -0,0 +1,35 @@ 
+Upstream-Status: Pending [Not submitted to upstream yet]
+Signed-off-by: Gowtham Suresh Kumar <gowtham.sureshkumar@arm.com>
+
+From 9b9261f73f93a5ac7ad823da376858b56560a08b Mon Sep 17 00:00:00 2001
+From: Gowtham Suresh Kumar <gowtham.sureshkumar@arm.com>
+Date: Sun, 12 Dec 2021 17:07:03 +0000
+Subject: [PATCH] Increase SMM gateway UEFI variable macro value
+
+The maximum number of UEFI variables that be supported by SMM
+gateway is currently 40. When more than 40 variables are written,
+or read SMM gateway returns error code. Currently this value is
+increased to 100 to support more UEFI variables.
+
+Signed-off-by: Gowtham Suresh Kumar <gowtham.sureshkumar@arm.com>
+---
+ deployments/smm-gateway/smm_gateway.c | 3 +++
+ 1 file changed, 3 insertions(+)
+
+diff --git a/deployments/smm-gateway/smm_gateway.c b/deployments/smm-gateway/smm_gateway.c
+index 7828b3a..7e6729e 100644
+--- a/deployments/smm-gateway/smm_gateway.c
++++ b/deployments/smm-gateway/smm_gateway.c
+@@ -20,6 +20,9 @@
+ #define SMM_GATEWAY_NV_STORE_SN		"sn:ffa:751bf801-3dde-4768-a514-0f10aeed1790:0"
+ #endif
+ 
++/* Maximum number of UEFI variables set to 100 */
++#define SMM_GATEWAY_MAX_UEFI_VARIABLES		(100)
++
+ /* Default maximum number of UEFI variables */
+ #ifndef SMM_GATEWAY_MAX_UEFI_VARIABLES
+ #define SMM_GATEWAY_MAX_UEFI_VARIABLES		(40)
+-- 
+2.17.1
+
diff --git a/meta-arm-bsp/recipes-security/trusted-services/ts-corstone1000.inc b/meta-arm-bsp/recipes-security/trusted-services/ts-corstone1000.inc
index 5be9be7..5afb131 100644
--- a/meta-arm-bsp/recipes-security/trusted-services/ts-corstone1000.inc
+++ b/meta-arm-bsp/recipes-security/trusted-services/ts-corstone1000.inc
@@ -34,6 +34,7 @@  SRC_URI:append = " \
                   file://0021-Add-psa-ipc-attestation-to-se-proxy.patch \
                   file://0022-Setup-its-backend-as-openamp-rpc-using-secure-storag.patch \
                   file://0023-add-psa-ipc-crypto-backend.patch \
+                  file://0024-Increase-SMM-gateway-UEFI-variable-macro-value.patch \
                   "
 
 SRC_URI_MBED = "git://github.com/ARMmbed/mbed-crypto.git;protocol=https;branch=development;name=mbed;destsuffix=git/mbedcrypto"