Revert "Merge branch '2023-07-24-introduce-FF-A-suppport'"

This reverts commit d927d1a80843e1c3e2a3f0b8f6150790bef83da1, reversing
changes made to c07ad9520c6190070513016fdb495d4703a4a853.

These changes do not pass CI currently.

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/test/dm/Makefile b/test/dm/Makefile
index 7ed0073..3799b1a 100644
--- a/test/dm/Makefile
+++ b/test/dm/Makefile
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0+
 #
 # Copyright (c) 2013 Google, Inc
-# Copyright 2022-2023 Arm Limited and/or its affiliates <open-source-office@arm.com>
+# Copyright 2023 Arm Limited and/or its affiliates <open-source-office@arm.com>
 
 obj-$(CONFIG_UT_DM) += test-dm.o
 
@@ -92,7 +92,6 @@
 obj-$(CONFIG_ACPI_PMC) += pmc.o
 obj-$(CONFIG_DM_PMIC) += pmic.o
 obj-$(CONFIG_DM_PWM) += pwm.o
-obj-$(CONFIG_ARM_FFA_TRANSPORT) += ffa.o
 obj-$(CONFIG_QFW) += qfw.o
 obj-$(CONFIG_RAM) += ram.o
 obj-y += regmap.o
diff --git a/test/dm/ffa.c b/test/dm/ffa.c
deleted file mode 100644
index 6912666..0000000
--- a/test/dm/ffa.c
+++ /dev/null
@@ -1,261 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * Functional tests for UCLASS_FFA  class
- *
- * Copyright 2022-2023 Arm Limited and/or its affiliates <open-source-office@arm.com>
- *
- * Authors:
- *   Abdellatif El Khlifi <abdellatif.elkhlifi@arm.com>
- */
-
-#include <common.h>
-#include <console.h>
-#include <dm.h>
-#include <asm/sandbox_arm_ffa.h>
-#include <asm/sandbox_arm_ffa_priv.h>
-#include <dm/test.h>
-#include <test/test.h>
-#include <test/ut.h>
-
-/* Functional tests for the UCLASS_FFA */
-
-static int check_fwk_version(struct ffa_priv *uc_priv, struct unit_test_state *uts)
-{
-	struct ffa_sandbox_data func_data;
-	u32 fwk_version = 0;
-
-	func_data.data0 = &fwk_version;
-	func_data.data0_size = sizeof(fwk_version);
-	ut_assertok(sandbox_query_ffa_emul_state(FFA_VERSION, &func_data));
-	ut_asserteq(uc_priv->fwk_version, fwk_version);
-
-	return 0;
-}
-
-static int check_endpoint_id(struct ffa_priv *uc_priv, struct unit_test_state *uts)
-{
-	ut_asserteq(0, uc_priv->id);
-
-	return 0;
-}
-
-static int check_rxtxbuf(struct ffa_priv *uc_priv, struct unit_test_state *uts)
-{
-	ut_assertnonnull(uc_priv->pair.rxbuf);
-	ut_assertnonnull(uc_priv->pair.txbuf);
-
-	return 0;
-}
-
-static int check_features(struct ffa_priv *uc_priv, struct unit_test_state *uts)
-{
-	ut_assert(uc_priv->pair.rxtx_min_pages == RXTX_4K ||
-		  uc_priv->pair.rxtx_min_pages == RXTX_16K ||
-		  uc_priv->pair.rxtx_min_pages == RXTX_64K);
-
-	return 0;
-}
-
-static int check_rxbuf_mapped_flag(u32 queried_func_id,
-				   u8 rxbuf_mapped,
-				   struct unit_test_state *uts)
-{
-	switch (queried_func_id) {
-	case FFA_RXTX_MAP:
-		ut_asserteq(1, rxbuf_mapped);
-		break;
-	case FFA_RXTX_UNMAP:
-		ut_asserteq(0, rxbuf_mapped);
-		break;
-	default:
-		ut_assert(false);
-	}
-
-	return 0;
-}
-
-static int check_rxbuf_release_flag(u8 rxbuf_owned, struct unit_test_state *uts)
-{
-	ut_asserteq(0, rxbuf_owned);
-
-	return 0;
-}
-
-static int  test_ffa_msg_send_direct_req(u16 part_id, struct unit_test_state *uts)
-{
-	struct ffa_send_direct_data msg;
-	u8 cnt;
-	struct udevice *dev;
-
-	ut_assertok(uclass_first_device_err(UCLASS_FFA, &dev));
-
-	ut_assertok(ffa_sync_send_receive(dev, part_id, &msg, 1));
-
-	for (cnt = 0; cnt < sizeof(struct ffa_send_direct_data) / sizeof(u64); cnt++)
-		ut_asserteq_64(-1UL, ((u64 *)&msg)[cnt]);
-
-	return 0;
-}
-
-static int test_partitions_and_comms(const char *service_uuid,
-				     struct unit_test_state *uts)
-{
-	struct ffa_partition_desc *descs;
-	u32 count, i, j, valid_sps = 0;
-	struct udevice *dev;
-	struct ffa_sandbox_data func_data;
-	struct ffa_partitions *partitions;
-
-	ut_assertok(uclass_first_device_err(UCLASS_FFA, &dev));
-
-	/* Get from the driver the count and information of the SPs matching the UUID */
-	ut_assertok(ffa_partition_info_get(dev, service_uuid, &count, &descs));
-
-	/* Make sure the count is correct */
-	ut_asserteq(SANDBOX_SP_COUNT_PER_VALID_SERVICE, count);
-
-	/* SPs found , verify the partitions information */
-
-	func_data.data0 = &partitions;
-	func_data.data0_size = sizeof(struct ffa_partitions *);
-	ut_assertok(sandbox_query_ffa_emul_state(FFA_PARTITION_INFO_GET, &func_data));
-
-	for (i = 0; i < count ; i++) {
-		for (j = 0;
-		     j < partitions->count;
-		     j++) {
-			if (descs[i].info.id ==
-			   partitions->descs[j].info.id) {
-				valid_sps++;
-				ut_asserteq_mem(&descs[i],
-						&partitions->descs[j],
-						sizeof(struct ffa_partition_desc));
-				/* Send and receive data from the current partition */
-				test_ffa_msg_send_direct_req(descs[i].info.id, uts);
-			}
-		}
-	}
-
-	/* Verify expected partitions found in the emulated secure world */
-	ut_asserteq(SANDBOX_SP_COUNT_PER_VALID_SERVICE, valid_sps);
-
-	return 0;
-}
-
-static int dm_test_ffa_ack(struct unit_test_state *uts)
-{
-	struct ffa_priv *uc_priv;
-	struct ffa_sandbox_data func_data;
-	u8 rxbuf_flag = 0;
-	const char *svc1_uuid = SANDBOX_SERVICE1_UUID;
-	const char *svc2_uuid = SANDBOX_SERVICE2_UUID;
-	struct udevice *dev;
-
-	/* Test probing the sandbox FF-A bus */
-	ut_assertok(uclass_first_device_err(UCLASS_FFA, &dev));
-
-	/* Get a pointer to the sandbox FF-A bus private data */
-	uc_priv = dev_get_uclass_priv(dev);
-
-	/* Make sure the private data pointer is retrieved */
-	ut_assertnonnull(uc_priv);
-
-	/* Test FFA_VERSION */
-	check_fwk_version(uc_priv, uts);
-
-	/* Test FFA_ID_GET */
-	check_endpoint_id(uc_priv, uts);
-
-	/* Test FFA_FEATURES */
-	check_features(uc_priv, uts);
-
-	/*  Test RX/TX buffers */
-	check_rxtxbuf(uc_priv, uts);
-
-	/* Test FFA_RXTX_MAP */
-	func_data.data0 = &rxbuf_flag;
-	func_data.data0_size = sizeof(rxbuf_flag);
-
-	rxbuf_flag = 0;
-	sandbox_query_ffa_emul_state(FFA_RXTX_MAP, &func_data);
-	check_rxbuf_mapped_flag(FFA_RXTX_MAP, rxbuf_flag, uts);
-
-	/* FFA_PARTITION_INFO_GET / FFA_MSG_SEND_DIRECT_REQ */
-	test_partitions_and_comms(svc1_uuid, uts);
-
-	/* Test FFA_RX_RELEASE */
-	rxbuf_flag = 1;
-	sandbox_query_ffa_emul_state(FFA_RX_RELEASE, &func_data);
-	check_rxbuf_release_flag(rxbuf_flag, uts);
-
-	/* FFA_PARTITION_INFO_GET / FFA_MSG_SEND_DIRECT_REQ */
-	test_partitions_and_comms(svc2_uuid, uts);
-
-	/* Test FFA_RX_RELEASE */
-	rxbuf_flag = 1;
-	ut_assertok(sandbox_query_ffa_emul_state(FFA_RX_RELEASE, &func_data));
-	check_rxbuf_release_flag(rxbuf_flag, uts);
-
-	return 0;
-}
-
-DM_TEST(dm_test_ffa_ack, UT_TESTF_SCAN_FDT | UT_TESTF_CONSOLE_REC);
-
-static int dm_test_ffa_nack(struct unit_test_state *uts)
-{
-	struct ffa_priv *uc_priv;
-	const char *valid_svc_uuid = SANDBOX_SERVICE1_UUID;
-	const char *unvalid_svc_uuid = SANDBOX_SERVICE3_UUID;
-	const char *unvalid_svc_uuid_str = SANDBOX_SERVICE4_UUID;
-	struct ffa_send_direct_data msg;
-	int ret;
-	u32 count;
-	u16 part_id = 0;
-	struct udevice *dev;
-	struct ffa_partition_desc *descs = NULL;
-
-	/* Test probing the sandbox FF-A bus */
-	ut_assertok(uclass_first_device_err(UCLASS_FFA, &dev));
-
-	/* Get a pointer to the sandbox FF-A bus private data */
-	uc_priv = dev_get_uclass_priv(dev);
-
-	/* Make sure the private data pointer is retrieved */
-	ut_assertnonnull(uc_priv);
-
-	/* Query partitions count using  invalid arguments */
-	ret = ffa_partition_info_get(dev, NULL, NULL, NULL);
-	ut_asserteq(-EINVAL, ret);
-	ret = ffa_partition_info_get(dev, unvalid_svc_uuid, NULL, NULL);
-	ut_asserteq(-EINVAL, ret);
-	ret = ffa_partition_info_get(dev, unvalid_svc_uuid, &count, NULL);
-	ut_asserteq(-EINVAL, ret);
-
-	/* Query partitions count using an invalid UUID  string */
-	ret = ffa_partition_info_get(dev, unvalid_svc_uuid_str, &count, &descs);
-	ut_asserteq(-EINVAL, ret);
-
-	/* Query partitions count using an invalid UUID (no matching SP) */
-	count = 0;
-	ret = ffa_partition_info_get(dev, unvalid_svc_uuid, &count, &descs);
-	ut_asserteq(0, count);
-
-	/* Query partitions data using a valid UUID */
-	count = 0;
-	ut_assertok(ffa_partition_info_get(dev, valid_svc_uuid, &count, &descs));
-	/* Make sure partitions are detected */
-	ut_asserteq(SANDBOX_SP_COUNT_PER_VALID_SERVICE, count);
-	ut_assertnonnull(descs);
-
-	/* Send data to an invalid partition */
-	ret = ffa_sync_send_receive(dev, part_id, &msg, 1);
-	ut_asserteq(-EINVAL, ret);
-
-	/* Send data to a valid partition */
-	part_id = uc_priv->partitions.descs[0].info.id;
-	ut_assertok(ffa_sync_send_receive(dev, part_id, &msg, 1));
-
-	return 0;
-}
-
-DM_TEST(dm_test_ffa_nack, UT_TESTF_SCAN_FDT | UT_TESTF_CONSOLE_REC);