blob: cd8fe9eb4b6898efe1f820ca299f776d94d062c9 [file] [log] [blame]
/*
* Copyright 2019 The Hafnium Authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <stdalign.h>
#include <stdint.h>
#include "hf/arch/cpu.h"
#include "hf/arch/vm/power_mgmt.h"
#include "hf/dlog.h"
#include "hf/std.h"
#include "vmapi/hf/call.h"
#include "vmapi/hf/spci.h"
#include "../psci.h"
#include "hftest.h"
#include "primary_with_secondary.h"
#define ARG_VALUE 42
/*
* Secondary VM that starts a second vCPU and then sends messages from both.
*/
alignas(4096) static char stack[4096];
/** Send a message back to the primary. */
void send_message(const char *message, uint32_t size)
{
memcpy_s(SERVICE_SEND_BUFFER(), SPCI_MSG_PAYLOAD_MAX, message, size);
ASSERT_EQ(spci_msg_send(hf_vm_get_id(), HF_PRIMARY_VM_ID, size, 0).func,
SPCI_SUCCESS_32);
}
/**
* Entry point of the second vCPU.
*/
static void vm_cpu_entry(uintptr_t arg)
{
ASSERT_EQ(arg, ARG_VALUE);
/* Check that vCPU statuses are as expected. */
ASSERT_EQ(arch_cpu_status(0), POWER_STATUS_ON);
ASSERT_EQ(arch_cpu_status(1), POWER_STATUS_ON);
dlog("Secondary second vCPU started.\n");
send_message("vCPU 1", sizeof("vCPU 1"));
dlog("Secondary second vCPU finishing\n");
}
TEST_SERVICE(smp)
{
/* Check that vCPU statuses are as expected. */
ASSERT_EQ(arch_cpu_status(0), POWER_STATUS_ON);
ASSERT_EQ(arch_cpu_status(1), POWER_STATUS_OFF);
/* Start second vCPU. */
dlog("Secondary starting second vCPU.\n");
ASSERT_TRUE(hftest_cpu_start(1, stack, sizeof(stack), vm_cpu_entry,
ARG_VALUE));
dlog("Secondary started second vCPU.\n");
/* Check that vCPU statuses are as expected. */
ASSERT_EQ(arch_cpu_status(0), POWER_STATUS_ON);
ASSERT_EQ(arch_cpu_status(1), POWER_STATUS_ON);
send_message("vCPU 0", sizeof("vCPU 0"));
}