1321 lines
30 KiB
C
1321 lines
30 KiB
C
/* Copyright 2019 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*
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* Test USB Protocol Layer module.
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*/
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#include "common.h"
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#include "crc.h"
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#include "task.h"
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#include "tcpm.h"
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#include "test_util.h"
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#include "timer.h"
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#include "usb_emsg.h"
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#include "usb_pd_test_util.h"
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#include "usb_pd.h"
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#include "usb_pe_sm.h"
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#include "usb_prl_sm.h"
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#include "usb_sm_checks.h"
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#include "usb_tc_sm.h"
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#include "util.h"
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#define PORT0 0
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/*
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* These enum definitions are declared in usb_prl_sm and are private to that
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* file. If those definitions are re-ordered, then we need to update these
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* definitions (should be very rare).
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*/
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enum usb_prl_tx_state {
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PRL_TX_PHY_LAYER_RESET,
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PRL_TX_WAIT_FOR_MESSAGE_REQUEST,
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PRL_TX_LAYER_RESET_FOR_TRANSMIT,
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PRL_TX_WAIT_FOR_PHY_RESPONSE,
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PRL_TX_SRC_SOURCE_TX,
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PRL_TX_SNK_START_AMS,
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PRL_TX_SRC_PENDING,
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PRL_TX_SNK_PENDING,
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PRL_TX_DISCARD_MESSAGE,
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};
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enum usb_prl_hr_state {
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PRL_HR_WAIT_FOR_REQUEST,
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PRL_HR_RESET_LAYER,
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PRL_HR_WAIT_FOR_PHY_HARD_RESET_COMPLETE,
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PRL_HR_WAIT_FOR_PE_HARD_RESET_COMPLETE,
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};
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enum usb_rch_state {
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RCH_WAIT_FOR_MESSAGE_FROM_PROTOCOL_LAYER,
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RCH_PASS_UP_MESSAGE,
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RCH_PROCESSING_EXTENDED_MESSAGE,
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RCH_REQUESTING_CHUNK,
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RCH_WAITING_CHUNK,
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RCH_REPORT_ERROR,
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};
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enum usb_tch_state {
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TCH_WAIT_FOR_MESSAGE_REQUEST_FROM_PE,
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TCH_WAIT_FOR_TRANSMISSION_COMPLETE,
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TCH_CONSTRUCT_CHUNKED_MESSAGE,
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TCH_SENDING_CHUNKED_MESSAGE,
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TCH_WAIT_CHUNK_REQUEST,
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TCH_MESSAGE_RECEIVED,
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TCH_MESSAGE_SENT,
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TCH_REPORT_ERROR,
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};
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/* Defined in implementation */
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enum usb_prl_tx_state prl_tx_get_state(const int port);
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enum usb_prl_hr_state prl_hr_get_state(const int port);
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enum usb_rch_state rch_get_state(const int port);
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enum usb_tch_state tch_get_state(const int port);
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#ifndef CONFIG_USB_PD_EXTENDED_MESSAGES
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enum usb_rch_state rch_get_state(const int port)
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{
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return RCH_WAIT_FOR_MESSAGE_FROM_PROTOCOL_LAYER;
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}
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#endif
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static uint32_t test_data[] = {
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0x00010203, 0x04050607, 0x08090a0b, 0x0c0d0e0f,
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0x10111213, 0x14151617, 0x1819a0b0, 0xc0d0e0f0,
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0x20212223, 0x24252627, 0x28292a2b, 0x2c2d2e2f,
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0x30313233, 0x34353637, 0x38393a3b, 0x3c3d3e3f,
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0x40414243, 0x44454647, 0x48494a4b, 0x4c4d4e4f,
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0x50515253, 0x54555657, 0x58595a5b, 0x5c5d5e5f,
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0x60616263, 0x64656667, 0x68696a6b, 0x6c6d6e6f,
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0x70717273, 0x74757677, 0x78797a7b, 0x7c7d7e7f,
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0x80818283, 0x84858687, 0x88898a8b, 0x8c8d8e8f,
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0x90919293, 0x94959697, 0x98999a9b, 0x9c9d9e9f,
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0xa0a1a2a3, 0xa4a5a6a7, 0xa8a9aaab, 0xacadaeaf,
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0xb0b1b2b3, 0xb4b5b6b7, 0xb8b9babb, 0xbcbdbebf,
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0xc0c1c2c3, 0xc4c5c6c7, 0xc8c9cacb, 0xcccdcecf,
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0xd0d1d2d3, 0xd4d5d6d7, 0xd8d9dadb, 0xdcdddedf,
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0xe0e1e2e3, 0xe4e5e6e7, 0xe8e9eaeb, 0xecedeeef,
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0xf0f1f2f3, 0xf4f5f6f7, 0xf8f9fafb, 0xfcfdfeff,
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0x11223344
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};
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void pd_set_suspend(int port, int suspend)
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{
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}
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static struct pd_prl {
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int rev;
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int pd_enable;
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enum pd_power_role power_role;
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enum pd_data_role data_role;
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int msg_tx_id;
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int msg_rx_id;
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enum tcpm_transmit_type sop;
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int mock_pe_message_sent;
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int mock_pe_error;
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int mock_pe_hard_reset_sent;
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int mock_pe_got_hard_reset;
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int mock_pe_message_received;
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int mock_got_soft_reset;
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int mock_message_discard;
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} pd_port[CONFIG_USB_PD_PORT_MAX_COUNT];
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static void init_port(int port, int rev)
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{
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pd_port[port].rev = rev;
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pd_port[port].pd_enable = 0;
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pd_port[port].power_role = PD_ROLE_SINK;
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pd_port[port].data_role = PD_ROLE_UFP;
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pd_port[port].msg_tx_id = 0;
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pd_port[port].msg_rx_id = 0;
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tcpm_init(port);
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tcpm_set_polarity(port, 0);
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tcpm_set_rx_enable(port, 0);
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}
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static inline uint32_t pending_pd_task_events(int port)
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{
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return *task_get_event_bitmap(PD_PORT_TO_TASK_ID(port));
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}
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void inc_tx_id(int port)
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{
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pd_port[port].msg_tx_id = (pd_port[port].msg_tx_id + 1) & 7;
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}
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void inc_rx_id(int port)
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{
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pd_port[port].msg_rx_id = (pd_port[port].msg_rx_id + 1) % 7;
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}
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static int verify_goodcrc(int port, int role, int id)
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{
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return pd_test_tx_msg_verify_sop(port) &&
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pd_test_tx_msg_verify_short(port, PD_HEADER(PD_CTRL_GOOD_CRC,
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role, role, id, 0, 0, 0)) &&
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pd_test_tx_msg_verify_crc(port) &&
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pd_test_tx_msg_verify_eop(port);
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}
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static void simulate_rx_msg(int port, uint16_t header, int cnt,
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const uint32_t *data)
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{
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int i;
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pd_test_rx_set_preamble(port, 1);
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pd_test_rx_msg_append_sop(port);
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pd_test_rx_msg_append_short(port, header);
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crc32_init();
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crc32_hash16(header);
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for (i = 0; i < cnt; ++i) {
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pd_test_rx_msg_append_word(port, data[i]);
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crc32_hash32(data[i]);
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}
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pd_test_rx_msg_append_word(port, crc32_result());
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pd_test_rx_msg_append_eop(port);
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pd_test_rx_msg_append_last_edge(port);
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pd_simulate_rx(port);
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}
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static void simulate_goodcrc(int port, int role, int id)
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{
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simulate_rx_msg(port, PD_HEADER(PD_CTRL_GOOD_CRC, role, role, id, 0,
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pd_port[port].rev, 0), 0, NULL);
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}
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static void cycle_through_state_machine(int port, uint32_t num, uint32_t time)
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{
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int i;
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for (i = 0; i < num; i++) {
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task_wake(PD_PORT_TO_TASK_ID(port));
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task_wait_event(time);
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}
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}
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static int simulate_request_chunk(int port, enum pd_data_msg_type msg_type,
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int chunk_num, int len)
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{
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uint16_t header = PD_HEADER(msg_type, pd_port[port].power_role,
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pd_port[port].data_role,
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pd_port[port].msg_rx_id,
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1, pd_port[port].rev, 1);
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uint32_t msg = PD_EXT_HEADER(chunk_num, 1, len);
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simulate_rx_msg(port, header, 1, (const uint32_t *)&msg);
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task_wait_event(30 * MSEC);
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if (!verify_goodcrc(port, pd_port[port].data_role,
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pd_port[port].msg_rx_id))
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return 0;
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return 1;
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}
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static int simulate_receive_ctrl_msg(int port, enum pd_ctrl_msg_type msg_type)
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{
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uint16_t header = PD_HEADER(msg_type, pd_port[port].power_role,
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pd_port[port].data_role, pd_port[port].msg_rx_id,
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0, pd_port[port].rev, 0);
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simulate_rx_msg(port, header, 0, NULL);
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task_wait_event(30 * MSEC);
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if (!verify_goodcrc(port, pd_port[port].data_role,
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pd_port[port].msg_rx_id))
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return 0;
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return 1;
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}
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static int verify_data_reception(int port, uint16_t header, int len)
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{
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int i;
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int cnt = (len + 3) & ~3;
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cycle_through_state_machine(port, 3, 10 * MSEC);
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if (pd_port[port].mock_pe_error >= 0)
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return 0;
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if (!pd_port[port].mock_pe_message_received)
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return 0;
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if (rx_emsg[port].header != header)
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return 0;
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if (rx_emsg[port].len != cnt)
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return 0;
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for (i = 0; i < cnt; i++) {
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if (i < len) {
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if (rx_emsg[port].buf[i] !=
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*((unsigned char *)test_data + i))
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return 0;
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} else {
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if (rx_emsg[port].buf[i] != 0)
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return 0;
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}
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}
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return 1;
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}
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static int verify_chunk_data_reception(int port, uint16_t header, int len)
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{
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int i;
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uint8_t *td = (uint8_t *)test_data;
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if (pd_port[port].mock_got_soft_reset) {
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ccprintf("Got mock soft reset\n");
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return 0;
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}
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if (!pd_port[port].mock_pe_message_received) {
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ccprintf("No mock pe msg received\n");
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return 0;
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}
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if (pd_port[port].mock_pe_error >= 0) {
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ccprintf("Mock pe error (%d)\n", pd_port[port].mock_pe_error);
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return 0;
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}
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if (rx_emsg[port].len != len) {
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ccprintf("emsg len (%d) != 0\n", rx_emsg[port].len);
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return 0;
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}
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for (i = 0; i < len; i++) {
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if (rx_emsg[port].buf[i] != td[i]) {
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ccprintf("emsg buf[%d] != td\n", i);
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return 0;
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}
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}
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return 1;
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}
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static int simulate_receive_data(int port, enum pd_data_msg_type msg_type,
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int len)
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{
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int i;
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int nw = (len + 3) >> 2;
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uint8_t td[28];
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uint16_t header = PD_HEADER(msg_type, pd_port[port].power_role,
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pd_port[port].data_role, pd_port[port].msg_rx_id,
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nw, pd_port[port].rev, 0);
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pd_port[port].mock_pe_error = -1;
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pd_port[port].mock_pe_message_received = 0;
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rx_emsg[port].header = 0;
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rx_emsg[port].len = 0;
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memset(rx_emsg[port].buf, 0, ARRAY_SIZE(rx_emsg[port].buf));
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for (i = 0; i < 28; i++) {
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if (i < len)
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td[i] = *((uint8_t *)test_data + i);
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else
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td[i] = 0;
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}
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simulate_rx_msg(port, header, nw, (uint32_t *)td);
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task_wait_event(30 * MSEC);
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if (!verify_goodcrc(port, pd_port[port].data_role,
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pd_port[port].msg_rx_id))
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return 0;
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inc_rx_id(port);
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return verify_data_reception(port, header, len);
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}
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static int simulate_receive_extended_data(int port,
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enum pd_data_msg_type msg_type, int len)
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{
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int i;
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int j;
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int byte_len;
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int nw;
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int dsize;
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uint8_t td[28];
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int chunk_num = 0;
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int data_offset = 0;
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uint8_t *expected_data = (uint8_t *)test_data;
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uint16_t header;
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pd_port[port].mock_pe_error = -1;
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pd_port[port].mock_pe_message_received = 0;
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rx_emsg[port].header = 0;
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rx_emsg[port].len = 0;
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memset(rx_emsg[port].buf, 0, ARRAY_SIZE(rx_emsg[port].buf));
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dsize = len;
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for (j = 0; j < 10; j++) {
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/* Let state machine settle before starting another round */
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cycle_through_state_machine(port, 10, MSEC);
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byte_len = len;
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if (byte_len > PD_MAX_EXTENDED_MSG_CHUNK_LEN)
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byte_len = PD_MAX_EXTENDED_MSG_CHUNK_LEN;
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len -= PD_MAX_EXTENDED_MSG_CHUNK_LEN;
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memset(td, 0, 28);
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*(uint16_t *)td = PD_EXT_HEADER(chunk_num, 0, dsize);
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for (i = 0; i < byte_len; i++)
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td[i + 2] = *(expected_data + data_offset++);
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nw = (byte_len + 2 + 3) >> 2;
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header = PD_HEADER(msg_type, pd_port[port].power_role,
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pd_port[port].data_role, pd_port[port].msg_rx_id,
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nw, pd_port[port].rev, 1);
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if (pd_port[port].mock_pe_error >= 0) {
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ccprintf("Mock pe error (%d) iteration (%d)\n",
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pd_port[port].mock_pe_error, j);
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return 0;
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}
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if (IS_ENABLED(CONFIG_USB_PD_EXTENDED_MESSAGES) &&
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pd_port[port].mock_pe_message_received) {
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ccprintf("Mock pe msg received iteration (%d)\n", j);
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return 0;
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}
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if (rx_emsg[port].len != 0) {
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ccprintf("emsg len (%d) != 0 iteration (%d)\n",
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rx_emsg[port].len, j);
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return 0;
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}
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simulate_rx_msg(port, header, nw, (uint32_t *)td);
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cycle_through_state_machine(port, 1, MSEC);
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if (!verify_goodcrc(port, pd_port[port].data_role,
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pd_port[port].msg_rx_id)) {
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ccprintf("Verify goodcrc bad iteration (%d)\n", j);
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return 0;
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}
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cycle_through_state_machine(port, 1, MSEC);
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inc_rx_id(port);
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if (!IS_ENABLED(CONFIG_USB_PD_EXTENDED_MESSAGES)) {
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if (pd_port[port].mock_pe_message_received)
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return 1;
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return 0;
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}
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/*
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* If no more data, do expected to get a chunk request
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*/
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if (len <= 0)
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break;
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/*
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* We need to ensure that the TX event has been set, which may
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* require an extra cycle through the state machine
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*/
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if (!(PD_EVENT_TX & pending_pd_task_events(port)))
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cycle_through_state_machine(port, 1, MSEC);
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chunk_num++;
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/* Test Request next chunk packet */
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if (!pd_test_tx_msg_verify_sop(port)) {
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ccprintf("Verify sop bad iteration (%d)\n", j);
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return 0;
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}
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if (!pd_test_tx_msg_verify_short(port,
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PD_HEADER(msg_type,
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pd_port[port].power_role,
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pd_port[port].data_role,
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pd_port[port].msg_tx_id,
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1, pd_port[port].rev, 1))) {
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ccprintf("Verify msg short bad iteration (%d)\n", j);
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return 0;
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}
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if (!pd_test_tx_msg_verify_word(port,
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PD_EXT_HEADER(chunk_num, 1, 0))) {
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ccprintf("Verify msg word bad iteration (%d)\n", j);
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return 0;
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}
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if (!pd_test_tx_msg_verify_crc(port)) {
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ccprintf("Verify msg crc bad iteration (%d)\n", j);
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return 0;
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}
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if (!pd_test_tx_msg_verify_eop(port)) {
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ccprintf("Verify msg eop bad iteration (%d)\n", j);
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return 0;
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}
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cycle_through_state_machine(port, 1, MSEC);
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/* Request next chunk packet was good. Send GoodCRC */
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simulate_goodcrc(port, pd_port[port].power_role,
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pd_port[port].msg_tx_id);
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cycle_through_state_machine(port, 1, MSEC);
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inc_tx_id(port);
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}
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cycle_through_state_machine(port, 1, MSEC);
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return verify_chunk_data_reception(port, header, dsize);
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}
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static int verify_ctrl_msg_transmission(int port,
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enum pd_ctrl_msg_type msg_type)
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{
|
|
if (!pd_test_tx_msg_verify_sop(port))
|
|
return 0;
|
|
|
|
if (!pd_test_tx_msg_verify_short(port,
|
|
PD_HEADER(msg_type, pd_port[port].power_role,
|
|
pd_port[port].data_role, pd_port[port].msg_tx_id, 0,
|
|
pd_port[port].rev, 0)))
|
|
return 0;
|
|
|
|
if (!pd_test_tx_msg_verify_crc(port))
|
|
return 0;
|
|
|
|
if (!pd_test_tx_msg_verify_eop(port))
|
|
return 0;
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int simulate_send_ctrl_msg_request_from_pe(int port,
|
|
enum tcpm_transmit_type type, enum pd_ctrl_msg_type msg_type)
|
|
{
|
|
pd_port[port].mock_got_soft_reset = 0;
|
|
pd_port[port].mock_pe_error = -1;
|
|
pd_port[port].mock_pe_message_sent = 0;
|
|
prl_send_ctrl_msg(port, type, msg_type);
|
|
cycle_through_state_machine(port, 1, MSEC);
|
|
|
|
return verify_ctrl_msg_transmission(port, msg_type);
|
|
}
|
|
|
|
static int verify_data_msg_transmission(int port,
|
|
enum pd_data_msg_type msg_type, int len)
|
|
{
|
|
int i;
|
|
int num_words = (len + 3) >> 2;
|
|
int data_obj_in_bytes;
|
|
uint32_t td;
|
|
|
|
if (!pd_test_tx_msg_verify_sop(port))
|
|
return 0;
|
|
|
|
if (!pd_test_tx_msg_verify_short(port,
|
|
PD_HEADER(msg_type, pd_port[port].power_role,
|
|
pd_port[port].data_role, pd_port[port].msg_tx_id,
|
|
num_words, pd_port[port].rev, 0)))
|
|
return 0;
|
|
|
|
for (i = 0; i < num_words; i++) {
|
|
td = test_data[i];
|
|
data_obj_in_bytes = (i + 1) * 4;
|
|
if (data_obj_in_bytes > len) {
|
|
switch (data_obj_in_bytes - len) {
|
|
case 1:
|
|
td &= 0x00ffffff;
|
|
break;
|
|
case 2:
|
|
td &= 0x0000ffff;
|
|
break;
|
|
case 3:
|
|
td &= 0x000000ff;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!pd_test_tx_msg_verify_word(port, td))
|
|
return 0;
|
|
}
|
|
|
|
if (!pd_test_tx_msg_verify_crc(port))
|
|
return 0;
|
|
|
|
if (!pd_test_tx_msg_verify_eop(port))
|
|
return 0;
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int simulate_send_data_msg_request_from_pe(int port,
|
|
enum tcpm_transmit_type type, enum pd_ctrl_msg_type msg_type, int len)
|
|
{
|
|
int i;
|
|
uint8_t *buf = tx_emsg[port].buf;
|
|
uint8_t *td = (uint8_t *)test_data;
|
|
|
|
pd_port[port].mock_got_soft_reset = 0;
|
|
pd_port[port].mock_pe_error = -1;
|
|
pd_port[port].mock_pe_message_sent = 0;
|
|
|
|
for (i = 0; i < len; i++)
|
|
buf[i] = td[i];
|
|
|
|
tx_emsg[port].len = len;
|
|
|
|
prl_send_data_msg(port, type, msg_type);
|
|
cycle_through_state_machine(port, 1, MSEC);
|
|
|
|
return verify_data_msg_transmission(port, msg_type, len);
|
|
}
|
|
|
|
static int verify_extended_data_msg_transmission(int port,
|
|
enum pd_data_msg_type msg_type, int len)
|
|
{
|
|
int i;
|
|
int j;
|
|
int nw;
|
|
int byte_len;
|
|
int dsize;
|
|
uint32_t td;
|
|
uint8_t *expected_data = (uint8_t *)&test_data;
|
|
int data_offset = 0;
|
|
int chunk_number_to_send = 0;
|
|
|
|
dsize = len;
|
|
|
|
for (j = 0; j < 10; j++) {
|
|
byte_len = len;
|
|
if (byte_len > PD_MAX_EXTENDED_MSG_CHUNK_LEN)
|
|
byte_len = PD_MAX_EXTENDED_MSG_CHUNK_LEN;
|
|
|
|
nw = (byte_len + 2 + 3) >> 2;
|
|
|
|
if (!pd_test_tx_msg_verify_sop(port)) {
|
|
ccprintf("failed tx sop; iteration (%d)\n", j);
|
|
return 0;
|
|
}
|
|
|
|
if (!pd_test_tx_msg_verify_short(port,
|
|
PD_HEADER(msg_type, pd_port[port].power_role,
|
|
pd_port[port].data_role,
|
|
pd_port[port].msg_tx_id,
|
|
nw, pd_port[port].rev, 1))) {
|
|
ccprintf("failed tx short\n");
|
|
return 0;
|
|
}
|
|
td = PD_EXT_HEADER(chunk_number_to_send, 0, dsize);
|
|
td |= *(expected_data + data_offset++) << 16;
|
|
td |= *(expected_data + data_offset++) << 24;
|
|
|
|
if (byte_len == 1)
|
|
td &= 0x00ffffff;
|
|
|
|
if (!pd_test_tx_msg_verify_word(port, td)) {
|
|
ccprintf("failed tx word\n");
|
|
return 0;
|
|
}
|
|
|
|
byte_len -= 2;
|
|
|
|
if (byte_len > 0) {
|
|
nw = (byte_len + 3) >> 2;
|
|
for (i = 0; i < nw; i++) {
|
|
td = *(expected_data + data_offset++) << 0;
|
|
td |= *(expected_data + data_offset++) << 8;
|
|
td |= *(expected_data + data_offset++) << 16;
|
|
td |= *(expected_data + data_offset++) << 24;
|
|
|
|
switch (byte_len) {
|
|
case 3:
|
|
td &= 0x00ffffff;
|
|
break;
|
|
case 2:
|
|
td &= 0x0000ffff;
|
|
break;
|
|
case 1:
|
|
td &= 0x000000ff;
|
|
break;
|
|
}
|
|
|
|
if (!pd_test_tx_msg_verify_word(port, td))
|
|
return 0;
|
|
byte_len -= 4;
|
|
}
|
|
}
|
|
|
|
if (!pd_test_tx_msg_verify_crc(port)) {
|
|
ccprintf("failed tx crc\n");
|
|
return 0;
|
|
}
|
|
|
|
if (!pd_test_tx_msg_verify_eop(port)) {
|
|
ccprintf("failed tx eop\n");
|
|
return 0;
|
|
}
|
|
|
|
cycle_through_state_machine(port, 1, MSEC);
|
|
|
|
/* Send GoodCRC */
|
|
simulate_goodcrc(port, pd_port[port].power_role,
|
|
pd_port[port].msg_tx_id);
|
|
cycle_through_state_machine(port, 1, MSEC);
|
|
inc_tx_id(port);
|
|
|
|
len -= PD_MAX_EXTENDED_MSG_CHUNK_LEN;
|
|
if (len <= 0)
|
|
break;
|
|
|
|
chunk_number_to_send++;
|
|
/* Let state machine settle */
|
|
cycle_through_state_machine(port, 10, MSEC);
|
|
if (!simulate_request_chunk(port, msg_type,
|
|
chunk_number_to_send, dsize)) {
|
|
ccprintf("failed request chunk\n");
|
|
return 0;
|
|
}
|
|
|
|
cycle_through_state_machine(port, 1, MSEC);
|
|
inc_rx_id(port);
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int simulate_send_extended_data_msg(int port,
|
|
enum tcpm_transmit_type type, enum pd_ctrl_msg_type msg_type,
|
|
int len)
|
|
{
|
|
int i;
|
|
uint8_t *buf = tx_emsg[port].buf;
|
|
uint8_t *td = (uint8_t *)test_data;
|
|
|
|
memset(buf, 0, ARRAY_SIZE(tx_emsg[port].buf));
|
|
tx_emsg[port].len = len;
|
|
|
|
/* don't overflow buffer */
|
|
if (len > ARRAY_SIZE(tx_emsg[port].buf))
|
|
len = ARRAY_SIZE(tx_emsg[port].buf);
|
|
|
|
for (i = 0; i < len; i++)
|
|
buf[i] = td[i];
|
|
|
|
prl_send_ext_data_msg(port, type, msg_type);
|
|
cycle_through_state_machine(port, 1, MSEC);
|
|
|
|
return verify_extended_data_msg_transmission(port, msg_type,
|
|
len);
|
|
}
|
|
|
|
uint8_t tc_get_pd_enabled(int port)
|
|
{
|
|
return pd_port[port].pd_enable;
|
|
}
|
|
|
|
static void enable_prl(int port, int en)
|
|
{
|
|
tcpm_set_rx_enable(port, en);
|
|
|
|
pd_port[port].pd_enable = en;
|
|
pd_port[port].msg_tx_id = 0;
|
|
pd_port[port].msg_rx_id = 0;
|
|
|
|
/* Init PRL */
|
|
cycle_through_state_machine(port, 10, MSEC);
|
|
|
|
prl_set_rev(port, TCPC_TX_SOP, pd_port[port].rev);
|
|
}
|
|
|
|
enum pd_power_role pd_get_power_role(int port)
|
|
{
|
|
return pd_port[port].power_role;
|
|
}
|
|
|
|
enum pd_data_role pd_get_data_role(int port)
|
|
{
|
|
return pd_port[port].data_role;
|
|
}
|
|
|
|
enum pd_cable_plug tc_get_cable_plug(int port)
|
|
{
|
|
return PD_PLUG_FROM_DFP_UFP;
|
|
}
|
|
|
|
void pe_report_error(int port, enum pe_error e, enum tcpm_transmit_type type)
|
|
{
|
|
pd_port[port].mock_pe_error = e;
|
|
pd_port[port].sop = type;
|
|
}
|
|
|
|
void pe_report_discard(int port)
|
|
{
|
|
pd_port[port].mock_message_discard = 1;
|
|
}
|
|
|
|
void pe_got_hard_reset(int port)
|
|
{
|
|
pd_port[port].mock_pe_got_hard_reset = 1;
|
|
}
|
|
|
|
void pe_message_received(int port)
|
|
{
|
|
pd_port[port].mock_pe_message_received = 1;
|
|
}
|
|
|
|
void pe_message_sent(int port)
|
|
{
|
|
pd_port[port].mock_pe_message_sent = 1;
|
|
}
|
|
|
|
void pe_hard_reset_sent(int port)
|
|
{
|
|
pd_port[port].mock_pe_hard_reset_sent = 1;
|
|
}
|
|
|
|
void pe_got_soft_reset(int port)
|
|
{
|
|
pd_port[port].mock_got_soft_reset = 1;
|
|
}
|
|
|
|
bool pe_in_local_ams(int port)
|
|
{
|
|
/* We will probably want to change this in the future */
|
|
return false;
|
|
}
|
|
|
|
static int test_prl_reset(void)
|
|
{
|
|
int port = PORT0;
|
|
|
|
enable_prl(port, 1);
|
|
|
|
prl_reset(port);
|
|
|
|
TEST_EQ(prl_tx_get_state(port),
|
|
PRL_TX_WAIT_FOR_MESSAGE_REQUEST, "%u");
|
|
TEST_EQ(rch_get_state(port),
|
|
RCH_WAIT_FOR_MESSAGE_FROM_PROTOCOL_LAYER, "%u");
|
|
TEST_EQ(tch_get_state(port),
|
|
TCH_WAIT_FOR_MESSAGE_REQUEST_FROM_PE, "%u");
|
|
TEST_EQ(prl_hr_get_state(port),
|
|
PRL_HR_WAIT_FOR_REQUEST, "%u");
|
|
enable_prl(port, 0);
|
|
|
|
return EC_SUCCESS;
|
|
}
|
|
|
|
static int test_send_ctrl_msg(void)
|
|
{
|
|
int i;
|
|
int port = PORT0;
|
|
|
|
enable_prl(port, 1);
|
|
|
|
/*
|
|
* TEST: Control message transmission and tx_id increment
|
|
*/
|
|
for (i = 0; i < 10; i++) {
|
|
task_wake(PD_PORT_TO_TASK_ID(port));
|
|
task_wait_event(40 * MSEC);
|
|
|
|
TEST_EQ(prl_tx_get_state(port),
|
|
PRL_TX_WAIT_FOR_MESSAGE_REQUEST, "%u");
|
|
|
|
TEST_NE(simulate_send_ctrl_msg_request_from_pe(port,
|
|
TCPC_TX_SOP, PD_CTRL_ACCEPT), 0, "%d");
|
|
|
|
cycle_through_state_machine(port, 1, MSEC);
|
|
|
|
simulate_goodcrc(port, pd_port[port].power_role,
|
|
pd_port[port].msg_tx_id);
|
|
inc_tx_id(port);
|
|
|
|
/* Let statemachine settle */
|
|
cycle_through_state_machine(port, 10, MSEC);
|
|
|
|
TEST_EQ(pd_port[port].mock_got_soft_reset, 0, "%d");
|
|
TEST_NE(pd_port[port].mock_pe_message_sent, 0, "%d");
|
|
TEST_LE(pd_port[port].mock_pe_error, 0, "%d");
|
|
}
|
|
|
|
enable_prl(port, 0);
|
|
|
|
return EC_SUCCESS;
|
|
}
|
|
|
|
static int test_send_data_msg(void)
|
|
{
|
|
int i;
|
|
int port = PORT0;
|
|
|
|
enable_prl(port, 1);
|
|
|
|
/*
|
|
* TEST: Sending data message with 1 to 28 bytes
|
|
*/
|
|
for (i = 1; i <= 28; i++) {
|
|
cycle_through_state_machine(port, 1, MSEC);
|
|
|
|
TEST_EQ(prl_tx_get_state(port),
|
|
PRL_TX_WAIT_FOR_MESSAGE_REQUEST, "%u");
|
|
|
|
TEST_NE(simulate_send_data_msg_request_from_pe(port,
|
|
TCPC_TX_SOP, PD_DATA_SOURCE_CAP, i), 0, "%d");
|
|
|
|
cycle_through_state_machine(port, 1, MSEC);
|
|
|
|
simulate_goodcrc(port, pd_port[port].power_role,
|
|
pd_port[port].msg_tx_id);
|
|
inc_tx_id(port);
|
|
|
|
cycle_through_state_machine(port, 10, MSEC);
|
|
|
|
TEST_EQ(pd_port[port].mock_got_soft_reset, 0, "%d");
|
|
TEST_NE(pd_port[port].mock_pe_message_sent, 0, "%d");
|
|
TEST_LE(pd_port[port].mock_pe_error, 0, "%d");
|
|
}
|
|
|
|
enable_prl(port, 0);
|
|
|
|
return EC_SUCCESS;
|
|
}
|
|
|
|
static int test_send_data_msg_to_much_data(void)
|
|
{
|
|
int port = PORT0;
|
|
|
|
enable_prl(port, 1);
|
|
|
|
/*
|
|
* TEST: Send data message with more than 28-bytes, should fail
|
|
*/
|
|
task_wake(PD_PORT_TO_TASK_ID(port));
|
|
task_wait_event(40 * MSEC);
|
|
|
|
TEST_EQ(prl_tx_get_state(port),
|
|
PRL_TX_WAIT_FOR_MESSAGE_REQUEST, "%u");
|
|
|
|
/* Try to send 29-bytes */
|
|
TEST_EQ(simulate_send_data_msg_request_from_pe(port,
|
|
TCPC_TX_SOP, PD_DATA_SOURCE_CAP, 29), 0, "%d");
|
|
|
|
task_wake(PD_PORT_TO_TASK_ID(port));
|
|
task_wait_event(30 * MSEC);
|
|
|
|
cycle_through_state_machine(port, 10, MSEC);
|
|
|
|
TEST_EQ(pd_port[port].mock_got_soft_reset, 0, "%d");
|
|
TEST_EQ(pd_port[port].mock_pe_message_sent, 0, "%d");
|
|
TEST_EQ(pd_port[port].mock_pe_error, ERR_TCH_XMIT, "%d");
|
|
|
|
enable_prl(port, 0);
|
|
|
|
return EC_SUCCESS;
|
|
}
|
|
|
|
static int test_send_extended_data_msg(void)
|
|
{
|
|
int i;
|
|
int port = PORT0;
|
|
|
|
if (!IS_ENABLED(CONFIG_USB_PD_EXTENDED_MESSAGES)) {
|
|
ccprints("CONFIG_USB_PD_EXTENDED_MESSAGES disabled; skipping");
|
|
return EC_SUCCESS;
|
|
}
|
|
|
|
enable_prl(port, 1);
|
|
|
|
/*
|
|
* TEST: Sending extended data message with 29 to 260 bytes
|
|
*/
|
|
|
|
pd_port[port].mock_got_soft_reset = 0;
|
|
pd_port[port].mock_pe_error = -1;
|
|
|
|
ccprintf("Iteration ");
|
|
for (i = 29; i <= PD_MAX_EXTENDED_MSG_LEN; i++) {
|
|
ccprintf(".%d", i);
|
|
pd_port[port].mock_pe_message_sent = 0;
|
|
|
|
cycle_through_state_machine(port, 10, MSEC);
|
|
|
|
TEST_EQ(prl_tx_get_state(port),
|
|
PRL_TX_WAIT_FOR_MESSAGE_REQUEST, "%d");
|
|
|
|
TEST_NE(simulate_send_extended_data_msg(
|
|
port, TCPC_TX_SOP, PD_EXT_MANUFACTURER_INFO, i),
|
|
0, "%d");
|
|
|
|
cycle_through_state_machine(port, 10, MSEC);
|
|
|
|
TEST_EQ(pd_port[port].mock_got_soft_reset, 0, "%d");
|
|
TEST_NE(pd_port[port].mock_pe_message_sent, 0, "%d");
|
|
TEST_LE(pd_port[port].mock_pe_error, 0, "%d");
|
|
}
|
|
enable_prl(port, 0);
|
|
|
|
return EC_SUCCESS;
|
|
}
|
|
|
|
static int test_receive_soft_reset_msg(void)
|
|
{
|
|
int port = PORT0;
|
|
|
|
enable_prl(port, 1);
|
|
|
|
/*
|
|
* TEST: Receiving Soft Reset
|
|
*/
|
|
|
|
task_wake(PD_PORT_TO_TASK_ID(port));
|
|
task_wait_event(40 * MSEC);
|
|
|
|
TEST_EQ(rch_get_state(port),
|
|
RCH_WAIT_FOR_MESSAGE_FROM_PROTOCOL_LAYER, "%u");
|
|
|
|
pd_port[port].mock_got_soft_reset = 0;
|
|
pd_port[port].mock_pe_error = -1;
|
|
pd_port[port].mock_pe_message_received = 0;
|
|
|
|
TEST_NE(simulate_receive_ctrl_msg(port, PD_CTRL_SOFT_RESET), 0, "%d");
|
|
|
|
task_wake(PD_PORT_TO_TASK_ID(port));
|
|
task_wait_event(30 * MSEC);
|
|
|
|
cycle_through_state_machine(port, 10, MSEC);
|
|
|
|
TEST_EQ(pd_port[port].mock_got_soft_reset, 1, "%d");
|
|
TEST_LE(pd_port[port].mock_pe_error, 0, "%d");
|
|
/*
|
|
* We don't want to get pe_got_soft_reset and pe_message_received, just
|
|
* pe_got_soft_reset.
|
|
*/
|
|
TEST_EQ(pd_port[port].mock_pe_message_received, 0, "%d");
|
|
|
|
enable_prl(port, 0);
|
|
|
|
return EC_SUCCESS;
|
|
}
|
|
|
|
static int test_receive_control_msg(void)
|
|
{
|
|
int port = PORT0;
|
|
int expected_header = PD_HEADER(PD_CTRL_DR_SWAP,
|
|
pd_port[port].power_role,
|
|
pd_port[port].data_role,
|
|
pd_port[port].msg_rx_id,
|
|
0, pd_port[port].rev, 0);
|
|
|
|
enable_prl(port, 1);
|
|
|
|
/*
|
|
* TEST: Receiving a control message
|
|
*/
|
|
|
|
task_wake(PD_PORT_TO_TASK_ID(port));
|
|
task_wait_event(40 * MSEC);
|
|
|
|
TEST_EQ(rch_get_state(port),
|
|
RCH_WAIT_FOR_MESSAGE_FROM_PROTOCOL_LAYER, "%u");
|
|
|
|
pd_port[port].mock_got_soft_reset = 0;
|
|
pd_port[port].mock_pe_error = -1;
|
|
pd_port[port].mock_pe_message_received = 0;
|
|
|
|
TEST_NE(simulate_receive_ctrl_msg(port, PD_CTRL_DR_SWAP), 0, "%d");
|
|
|
|
task_wake(PD_PORT_TO_TASK_ID(port));
|
|
task_wait_event(30 * MSEC);
|
|
|
|
cycle_through_state_machine(port, 3, 10 * MSEC);
|
|
|
|
TEST_EQ(pd_port[port].mock_got_soft_reset, 0, "%d");
|
|
TEST_LE(pd_port[port].mock_pe_error, 0, "%d");
|
|
TEST_NE(pd_port[port].mock_pe_message_received, 0, "%d");
|
|
TEST_EQ(expected_header, rx_emsg[port].header, "%d");
|
|
TEST_EQ(rx_emsg[port].len, 0, "%d");
|
|
|
|
enable_prl(port, 0);
|
|
|
|
return EC_SUCCESS;
|
|
}
|
|
|
|
static int test_receive_data_msg(void)
|
|
{
|
|
int port = PORT0;
|
|
int i;
|
|
|
|
enable_prl(port, 1);
|
|
|
|
/*
|
|
* TEST: Receiving data message with 1 to 28 bytes
|
|
*/
|
|
|
|
for (i = 1; i <= 28; i++) {
|
|
task_wake(PD_PORT_TO_TASK_ID(port));
|
|
task_wait_event(40 * MSEC);
|
|
|
|
TEST_EQ(rch_get_state(port),
|
|
RCH_WAIT_FOR_MESSAGE_FROM_PROTOCOL_LAYER, "%u");
|
|
TEST_NE(simulate_receive_data(port,
|
|
PD_DATA_BATTERY_STATUS, i), 0, "%d");
|
|
}
|
|
|
|
enable_prl(port, 0);
|
|
|
|
return EC_SUCCESS;
|
|
}
|
|
|
|
static int test_receive_extended_data_msg(void)
|
|
{
|
|
int len;
|
|
int port = PORT0;
|
|
|
|
enable_prl(port, 1);
|
|
|
|
if (IS_ENABLED(CONFIG_USB_PD_EXTENDED_MESSAGES)) {
|
|
/*
|
|
* TEST: Receiving extended data message with 29 to 260 bytes
|
|
*/
|
|
|
|
task_wake(PD_PORT_TO_TASK_ID(port));
|
|
task_wait_event(40 * MSEC);
|
|
|
|
TEST_EQ(rch_get_state(port),
|
|
RCH_WAIT_FOR_MESSAGE_FROM_PROTOCOL_LAYER, "%u");
|
|
|
|
for (len = 29; len <= PD_MAX_EXTENDED_MSG_LEN; len++) {
|
|
TEST_NE(simulate_receive_extended_data(port,
|
|
PD_DATA_BATTERY_STATUS, len), 0, "%d");
|
|
}
|
|
} else {
|
|
/*
|
|
* TEST: Receiving unsupported extended data message and then
|
|
* subsequently receiving a support non-extended data message.
|
|
*/
|
|
task_wake(PD_PORT_TO_TASK_ID(port));
|
|
task_wait_event(40 * MSEC);
|
|
TEST_NE(simulate_receive_extended_data(port,
|
|
PD_DATA_BATTERY_STATUS, 29), 0, "%d");
|
|
|
|
task_wake(PD_PORT_TO_TASK_ID(port));
|
|
task_wait_event(40 * MSEC);
|
|
TEST_NE(simulate_receive_data(port,
|
|
PD_DATA_BATTERY_STATUS, 28), 0, "%d");
|
|
}
|
|
|
|
enable_prl(port, 0);
|
|
|
|
return EC_SUCCESS;
|
|
}
|
|
|
|
static int test_send_soft_reset_msg(void)
|
|
{
|
|
int port = PORT0;
|
|
|
|
enable_prl(port, 1);
|
|
|
|
/*
|
|
* TEST: Send soft reset
|
|
*/
|
|
|
|
task_wake(PD_PORT_TO_TASK_ID(port));
|
|
task_wait_event(40 * MSEC);
|
|
|
|
TEST_EQ(prl_tx_get_state(port),
|
|
PRL_TX_WAIT_FOR_MESSAGE_REQUEST, "%u");
|
|
|
|
TEST_NE(simulate_send_ctrl_msg_request_from_pe(port,
|
|
TCPC_TX_SOP, PD_CTRL_SOFT_RESET), 0, "%d");
|
|
|
|
task_wake(PD_PORT_TO_TASK_ID(port));
|
|
task_wait_event(30 * MSEC);
|
|
|
|
simulate_goodcrc(port, pd_port[port].power_role,
|
|
pd_port[port].msg_tx_id);
|
|
inc_tx_id(port);
|
|
|
|
TEST_EQ(prl_tx_get_state(port),
|
|
PRL_TX_LAYER_RESET_FOR_TRANSMIT, "%u");
|
|
|
|
cycle_through_state_machine(port, 3, 10 * MSEC);
|
|
|
|
TEST_EQ(pd_port[port].mock_got_soft_reset, 0, "%d");
|
|
TEST_NE(pd_port[port].mock_pe_message_sent, 0, "%d");
|
|
TEST_LE(pd_port[port].mock_pe_error, 0, "%d");
|
|
|
|
enable_prl(port, 0);
|
|
|
|
return EC_SUCCESS;
|
|
}
|
|
|
|
static int test_pe_execute_hard_reset_msg(void)
|
|
{
|
|
int port = PORT0;
|
|
|
|
enable_prl(port, 1);
|
|
|
|
pd_port[port].mock_pe_hard_reset_sent = 0;
|
|
|
|
/*
|
|
* TEST: Policy Engine initiated hard reset
|
|
*/
|
|
|
|
task_wake(PD_PORT_TO_TASK_ID(port));
|
|
task_wait_event(40 * MSEC);
|
|
|
|
TEST_EQ(prl_hr_get_state(port), PRL_HR_WAIT_FOR_REQUEST, "%u");
|
|
|
|
/* Simulate receiving hard reset from policy engine */
|
|
prl_execute_hard_reset(port);
|
|
|
|
TEST_EQ(prl_hr_get_state(port), PRL_HR_RESET_LAYER, "%u");
|
|
TEST_EQ(prl_tx_get_state(port),
|
|
PRL_TX_WAIT_FOR_MESSAGE_REQUEST, "%u");
|
|
|
|
cycle_through_state_machine(port, 1, 10 * MSEC);
|
|
|
|
TEST_EQ(prl_hr_get_state(port),
|
|
PRL_HR_WAIT_FOR_PHY_HARD_RESET_COMPLETE, "%u");
|
|
|
|
cycle_through_state_machine(port, 2, PD_T_PS_HARD_RESET);
|
|
TEST_NE(pd_port[port].mock_pe_hard_reset_sent, 0, "%d");
|
|
|
|
TEST_EQ(prl_hr_get_state(port),
|
|
PRL_HR_WAIT_FOR_PE_HARD_RESET_COMPLETE, "%u");
|
|
|
|
/* Simulate policy engine indicating that it is done hard reset */
|
|
prl_hard_reset_complete(port);
|
|
|
|
cycle_through_state_machine(port, 1, 10 * MSEC);
|
|
|
|
TEST_EQ(prl_hr_get_state(port), PRL_HR_WAIT_FOR_REQUEST, "%u");
|
|
|
|
enable_prl(port, 0);
|
|
|
|
return EC_SUCCESS;
|
|
}
|
|
|
|
static int test_phy_execute_hard_reset_msg(void)
|
|
{
|
|
int port = PORT0;
|
|
|
|
enable_prl(port, 1);
|
|
|
|
/*
|
|
* TEST: Port partner initiated hard reset
|
|
*/
|
|
|
|
pd_port[port].mock_pe_got_hard_reset = 0;
|
|
|
|
task_wake(PD_PORT_TO_TASK_ID(port));
|
|
task_wait_event(40 * MSEC);
|
|
|
|
TEST_EQ(prl_hr_get_state(port), PRL_HR_WAIT_FOR_REQUEST, "%u");
|
|
|
|
/* Simulate receiving hard reset from port partner */
|
|
pd_execute_hard_reset(port);
|
|
|
|
TEST_EQ(prl_hr_get_state(port), PRL_HR_RESET_LAYER, "%u");
|
|
TEST_EQ(prl_tx_get_state(port),
|
|
PRL_TX_WAIT_FOR_MESSAGE_REQUEST, "%u");
|
|
|
|
cycle_through_state_machine(port, 1, 10 * MSEC);
|
|
|
|
TEST_EQ(prl_hr_get_state(port),
|
|
PRL_HR_WAIT_FOR_PE_HARD_RESET_COMPLETE, "%u");
|
|
|
|
cycle_through_state_machine(port, 2, PD_T_PS_HARD_RESET);
|
|
TEST_NE(pd_port[port].mock_pe_got_hard_reset, 0, "%d");
|
|
|
|
TEST_EQ(prl_hr_get_state(port),
|
|
PRL_HR_WAIT_FOR_PE_HARD_RESET_COMPLETE, "%u");
|
|
|
|
/* Simulate policy engine indicating that it is done hard reset */
|
|
prl_hard_reset_complete(port);
|
|
|
|
cycle_through_state_machine(port, 1, 10 * MSEC);
|
|
|
|
TEST_EQ(prl_hr_get_state(port), PRL_HR_WAIT_FOR_REQUEST, "%u");
|
|
|
|
enable_prl(port, 0);
|
|
|
|
return EC_SUCCESS;
|
|
}
|
|
|
|
/* Reset the state machine between each test */
|
|
void before_test(void)
|
|
{
|
|
/* This test relies on explicitly cycling through events manually */
|
|
tc_pause_event_loop(PORT0);
|
|
|
|
pd_port[PORT0].mock_pe_message_sent = 0;
|
|
pd_port[PORT0].mock_pe_error = -1;
|
|
pd_port[PORT0].mock_message_discard = 0;
|
|
pd_port[PORT0].mock_pe_hard_reset_sent = 0;
|
|
pd_port[PORT0].mock_pe_got_hard_reset = 0;
|
|
pd_port[PORT0].mock_pe_message_received = 0;
|
|
pd_port[PORT0].mock_got_soft_reset = 0;
|
|
pd_port[PORT0].pd_enable = false;
|
|
cycle_through_state_machine(PORT0, 10, MSEC);
|
|
pd_port[PORT0].pd_enable = true;
|
|
cycle_through_state_machine(PORT0, 10, MSEC);
|
|
}
|
|
|
|
void run_test(int argc, char **argv)
|
|
{
|
|
test_reset();
|
|
|
|
/* Test PD 2.0 Protocol */
|
|
init_port(PORT0, PD_REV20);
|
|
RUN_TEST(test_prl_reset);
|
|
RUN_TEST(test_send_ctrl_msg);
|
|
RUN_TEST(test_send_data_msg);
|
|
RUN_TEST(test_send_data_msg_to_much_data);
|
|
RUN_TEST(test_receive_control_msg);
|
|
RUN_TEST(test_receive_data_msg);
|
|
RUN_TEST(test_receive_soft_reset_msg);
|
|
RUN_TEST(test_send_soft_reset_msg);
|
|
RUN_TEST(test_pe_execute_hard_reset_msg);
|
|
RUN_TEST(test_phy_execute_hard_reset_msg);
|
|
|
|
/* TODO(shurst): More PD 2.0 Tests */
|
|
|
|
ccprints("Starting PD 3.0 tests");
|
|
|
|
/* Test PD 3.0 Protocol */
|
|
init_port(PORT0, PD_REV30);
|
|
RUN_TEST(test_prl_reset);
|
|
RUN_TEST(test_send_ctrl_msg);
|
|
RUN_TEST(test_send_data_msg);
|
|
RUN_TEST(test_send_data_msg_to_much_data);
|
|
RUN_TEST(test_send_extended_data_msg);
|
|
RUN_TEST(test_receive_control_msg);
|
|
RUN_TEST(test_receive_data_msg);
|
|
RUN_TEST(test_receive_extended_data_msg);
|
|
RUN_TEST(test_receive_soft_reset_msg);
|
|
RUN_TEST(test_send_soft_reset_msg);
|
|
RUN_TEST(test_pe_execute_hard_reset_msg);
|
|
RUN_TEST(test_phy_execute_hard_reset_msg);
|
|
|
|
/* TODO(shurst): More PD 3.0 Tests */
|
|
|
|
/* Do basic state machine validity checks last. */
|
|
RUN_TEST(test_prl_no_parent_cycles);
|
|
RUN_TEST(test_prl_all_states_named);
|
|
|
|
test_print_result();
|
|
}
|