[PATCH 6/8] arm_ffa: sandbox: Add FFA_MEM_SHARE tests

[abdellatif . elkhlifi]

From: Abdellatif El Khlifi <abdellatif.elkhl...@arm.com>

Add positive and negative test cases

Signed-off-by: Abdellatif El Khlifi <abdellatif.elkhl...@arm.com>
---
 test/dm/ffa.c | 46 +++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 45 insertions(+), 1 deletion(-)

diff --git a/test/dm/ffa.c b/test/dm/ffa.c
index 593b7177fce..4fd21ac3d72 100644
--- a/test/dm/ffa.c
+++ b/test/dm/ffa.c
@@ -2,7 +2,7 @@
 /*
  * Functional tests for UCLASS_FFA  class
  *
- * Copyright 2022-2023 Arm Limited and/or its affiliates 
<open-source-off...@arm.com>
+ * Copyright 2022-2024 Arm Limited and/or its affiliates 
<open-source-off...@arm.com>
  *
  * Authors:
  *   Abdellatif El Khlifi <abdellatif.elkhl...@arm.com>
@@ -13,6 +13,7 @@
 #include <asm/sandbox_arm_ffa.h>
 #include <asm/sandbox_arm_ffa_priv.h>
 #include <dm/test.h>
+#include <linux/sizes.h>
 #include <test/test.h>
 #include <test/ut.h>
 
@@ -141,6 +142,43 @@ static int test_partitions_and_comms(const char 
*service_uuid,
        return 0;
 }
 
+static int  test_ffa_memory_share(bool test_ack, struct unit_test_state *uts)
+{
+       struct ffa_mem_ops_args args = {0};
+       struct ffa_mem_region_attributes attrs = {0};
+       static u8 buf[SZ_4K];
+       int ret;
+       struct udevice *dev;
+
+       ut_assertok(uclass_first_device_err(UCLASS_FFA, &dev));
+
+       args.attrs = &attrs;
+       args.nattrs = 1;
+       args.address = buf;
+       args.pg_cnt = 1;
+
+       if (test_ack) {
+               args.use_txbuf = true;
+
+               ut_assertok(ffa_memory_share(dev, &args));
+               ut_asserteq(HANDLE_LOW(args.g_handle), SANDBOX_MEM_HANDLE);
+               ut_asserteq(HANDLE_HIGH(args.g_handle), SANDBOX_MEM_HANDLE);
+       } else {
+               /* Do not use the TX buffer as a transaction buffer */
+               args.use_txbuf = false;
+               ret = ffa_memory_share(dev, &args);
+               ut_asserteq(-EPROTONOSUPPORT, ret);
+
+               /* No memory region address given */
+               args.use_txbuf = true;
+               args.address = NULL;
+               ret = ffa_memory_share(dev, &args);
+               ut_asserteq(-EINVAL, ret);
+       }
+
+       return 0;
+}
+
 static int dm_test_ffa_ack(struct unit_test_state *uts)
 {
        struct ffa_priv *uc_priv;
@@ -195,6 +233,9 @@ static int dm_test_ffa_ack(struct unit_test_state *uts)
        ut_assertok(sandbox_query_ffa_emul_state(FFA_RX_RELEASE, &func_data));
        check_rxbuf_release_flag(rxbuf_flag, uts);
 
+       /* Test FFA_MEM_SHARE */
+       test_ffa_memory_share(true, uts);
+
        return 0;
 }
 DM_TEST(dm_test_ffa_ack, UTF_SCAN_FDT | UTF_CONSOLE);
@@ -253,6 +294,9 @@ static int dm_test_ffa_nack(struct unit_test_state *uts)
        part_id = uc_priv->partitions.descs[0].info.id;
        ut_assertok(ffa_sync_send_receive(dev, part_id, &msg, 1));
 
+       /* Test FFA_MEM_SHARE */
+       test_ffa_memory_share(false, uts);
+
        return 0;
 }
 DM_TEST(dm_test_ffa_nack, UTF_SCAN_FDT | UTF_CONSOLE);
-- 
2.25.1