diff options
Diffstat (limited to 'test/usb_prl_old.c')
| -rw-r--r-- | test/usb_prl_old.c | 1330 |
1 files changed, 0 insertions, 1330 deletions
diff --git a/test/usb_prl_old.c b/test/usb_prl_old.c deleted file mode 100644 index 526015b6c9..0000000000 --- a/test/usb_prl_old.c +++ /dev/null @@ -1,1330 +0,0 @@ -/* Copyright 2019 The Chromium OS Authors. All rights reserved. - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - * - * Test USB Protocol Layer module. - */ -#include "common.h" -#include "crc.h" -#include "task.h" -#include "tcpm/tcpm.h" -#include "test_util.h" -#include "timer.h" -#include "usb_emsg.h" -#include "usb_pd_test_util.h" -#include "usb_pd.h" -#include "usb_pd_tcpm.h" -#include "usb_pe_sm.h" -#include "usb_prl_sm.h" -#include "usb_sm_checks.h" -#include "usb_tc_sm.h" -#include "util.h" - -#define PORT0 0 - -/* - * These enum definitions are declared in usb_prl_sm and are private to that - * file. If those definitions are re-ordered, then we need to update these - * definitions (should be very rare). - */ -enum usb_prl_tx_state { - PRL_TX_PHY_LAYER_RESET, - PRL_TX_WAIT_FOR_MESSAGE_REQUEST, - PRL_TX_LAYER_RESET_FOR_TRANSMIT, - PRL_TX_WAIT_FOR_PHY_RESPONSE, - PRL_TX_SRC_SOURCE_TX, - PRL_TX_SNK_START_AMS, - PRL_TX_SRC_PENDING, - PRL_TX_SNK_PENDING, - PRL_TX_DISCARD_MESSAGE, -}; - -enum usb_prl_hr_state { - PRL_HR_WAIT_FOR_REQUEST, - PRL_HR_RESET_LAYER, - PRL_HR_WAIT_FOR_PHY_HARD_RESET_COMPLETE, - PRL_HR_WAIT_FOR_PE_HARD_RESET_COMPLETE, -}; - -enum usb_rch_state { - RCH_WAIT_FOR_MESSAGE_FROM_PROTOCOL_LAYER, - RCH_PASS_UP_MESSAGE, - RCH_PROCESSING_EXTENDED_MESSAGE, - RCH_REQUESTING_CHUNK, - RCH_WAITING_CHUNK, - RCH_REPORT_ERROR, -}; - -enum usb_tch_state { - TCH_WAIT_FOR_MESSAGE_REQUEST_FROM_PE, - TCH_WAIT_FOR_TRANSMISSION_COMPLETE, - TCH_CONSTRUCT_CHUNKED_MESSAGE, - TCH_SENDING_CHUNKED_MESSAGE, - TCH_WAIT_CHUNK_REQUEST, - TCH_MESSAGE_RECEIVED, - TCH_MESSAGE_SENT, - TCH_REPORT_ERROR, -}; - -/* Defined in implementation */ -enum usb_prl_tx_state prl_tx_get_state(const int port); -enum usb_prl_hr_state prl_hr_get_state(const int port); -enum usb_rch_state rch_get_state(const int port); -enum usb_tch_state tch_get_state(const int port); - -#ifndef CONFIG_USB_PD_EXTENDED_MESSAGES -enum usb_rch_state rch_get_state(const int port) -{ - return RCH_WAIT_FOR_MESSAGE_FROM_PROTOCOL_LAYER; -} -#endif - - -static uint32_t test_data[] = { - 0x00010203, 0x04050607, 0x08090a0b, 0x0c0d0e0f, - 0x10111213, 0x14151617, 0x1819a0b0, 0xc0d0e0f0, - 0x20212223, 0x24252627, 0x28292a2b, 0x2c2d2e2f, - 0x30313233, 0x34353637, 0x38393a3b, 0x3c3d3e3f, - 0x40414243, 0x44454647, 0x48494a4b, 0x4c4d4e4f, - 0x50515253, 0x54555657, 0x58595a5b, 0x5c5d5e5f, - 0x60616263, 0x64656667, 0x68696a6b, 0x6c6d6e6f, - 0x70717273, 0x74757677, 0x78797a7b, 0x7c7d7e7f, - 0x80818283, 0x84858687, 0x88898a8b, 0x8c8d8e8f, - 0x90919293, 0x94959697, 0x98999a9b, 0x9c9d9e9f, - 0xa0a1a2a3, 0xa4a5a6a7, 0xa8a9aaab, 0xacadaeaf, - 0xb0b1b2b3, 0xb4b5b6b7, 0xb8b9babb, 0xbcbdbebf, - 0xc0c1c2c3, 0xc4c5c6c7, 0xc8c9cacb, 0xcccdcecf, - 0xd0d1d2d3, 0xd4d5d6d7, 0xd8d9dadb, 0xdcdddedf, - 0xe0e1e2e3, 0xe4e5e6e7, 0xe8e9eaeb, 0xecedeeef, - 0xf0f1f2f3, 0xf4f5f6f7, 0xf8f9fafb, 0xfcfdfeff, - 0x11223344 -}; - -void pd_set_suspend(int port, int suspend) -{ -} - -void pd_set_error_recovery(int port) -{ -} - -static struct pd_prl { - int rev; - int pd_enable; - enum pd_power_role power_role; - enum pd_data_role data_role; - int msg_tx_id; - int msg_rx_id; - enum tcpci_msg_type sop; - - int mock_pe_message_sent; - int mock_pe_error; - int mock_pe_hard_reset_sent; - int mock_pe_got_hard_reset; - int mock_pe_message_received; - int mock_got_soft_reset; - int mock_message_discard; -} pd_port[CONFIG_USB_PD_PORT_MAX_COUNT]; - -static void init_port(int port, int rev) -{ - pd_port[port].rev = rev; - pd_port[port].pd_enable = 0; - pd_port[port].power_role = PD_ROLE_SINK; - pd_port[port].data_role = PD_ROLE_UFP; - pd_port[port].msg_tx_id = 0; - pd_port[port].msg_rx_id = 0; - - tcpm_init(port); - tcpm_set_polarity(port, 0); - tcpm_set_rx_enable(port, 0); -} - -static inline uint32_t pending_pd_task_events(int port) -{ - return *task_get_event_bitmap(PD_PORT_TO_TASK_ID(port)); -} - -void inc_tx_id(int port) -{ - pd_port[port].msg_tx_id = (pd_port[port].msg_tx_id + 1) & 7; -} - -void inc_rx_id(int port) -{ - pd_port[port].msg_rx_id = (pd_port[port].msg_rx_id + 1) % 7; -} - -static int verify_goodcrc(int port, int role, int id) -{ - return pd_test_tx_msg_verify_sop(port) && - pd_test_tx_msg_verify_short(port, PD_HEADER(PD_CTRL_GOOD_CRC, - role, role, id, 0, 0, 0)) && - pd_test_tx_msg_verify_crc(port) && - pd_test_tx_msg_verify_eop(port); -} - -static void simulate_rx_msg(int port, uint16_t header, int cnt, - const uint32_t *data) -{ - int i; - - pd_test_rx_set_preamble(port, 1); - pd_test_rx_msg_append_sop(port); - pd_test_rx_msg_append_short(port, header); - - crc32_init(); - crc32_hash16(header); - - for (i = 0; i < cnt; ++i) { - pd_test_rx_msg_append_word(port, data[i]); - crc32_hash32(data[i]); - } - - pd_test_rx_msg_append_word(port, crc32_result()); - - pd_test_rx_msg_append_eop(port); - pd_test_rx_msg_append_last_edge(port); - - pd_simulate_rx(port); -} - -static void simulate_goodcrc(int port, int role, int id) -{ - simulate_rx_msg(port, PD_HEADER(PD_CTRL_GOOD_CRC, role, role, id, 0, - pd_port[port].rev, 0), 0, NULL); -} - -static void cycle_through_state_machine(int port, uint32_t num, uint32_t time) -{ - int i; - - for (i = 0; i < num; i++) { - task_wake(PD_PORT_TO_TASK_ID(port)); - task_wait_event(time); - } -} - -static int simulate_request_chunk(int port, enum pd_data_msg_type msg_type, - int chunk_num, int len) -{ - uint16_t header = PD_HEADER(msg_type, pd_port[port].power_role, - pd_port[port].data_role, - pd_port[port].msg_rx_id, - 1, pd_port[port].rev, 1); - uint32_t msg = PD_EXT_HEADER(chunk_num, 1, len); - - simulate_rx_msg(port, header, 1, (const uint32_t *)&msg); - task_wait_event(30 * MSEC); - - if (!verify_goodcrc(port, pd_port[port].data_role, - pd_port[port].msg_rx_id)) - return 0; - - return 1; -} - -static int simulate_receive_ctrl_msg(int port, enum pd_ctrl_msg_type msg_type) -{ - uint16_t header = PD_HEADER(msg_type, pd_port[port].power_role, - pd_port[port].data_role, pd_port[port].msg_rx_id, - 0, pd_port[port].rev, 0); - - simulate_rx_msg(port, header, 0, NULL); - task_wait_event(30 * MSEC); - - if (!verify_goodcrc(port, pd_port[port].data_role, - pd_port[port].msg_rx_id)) - return 0; - - return 1; -} - -static int verify_data_reception(int port, uint16_t header, int len) -{ - int i; - int cnt = (len + 3) & ~3; - - cycle_through_state_machine(port, 3, 10 * MSEC); - - if (pd_port[port].mock_pe_error >= 0) - return 0; - - if (!pd_port[port].mock_pe_message_received) - return 0; - - if (rx_emsg[port].header != header) - return 0; - - if (rx_emsg[port].len != cnt) - return 0; - - for (i = 0; i < cnt; i++) { - if (i < len) { - if (rx_emsg[port].buf[i] != - *((unsigned char *)test_data + i)) - return 0; - } else { - if (rx_emsg[port].buf[i] != 0) - return 0; - } - } - - return 1; -} - -static int verify_chunk_data_reception(int port, uint16_t header, int len) -{ - int i; - uint8_t *td = (uint8_t *)test_data; - - if (pd_port[port].mock_got_soft_reset) { - ccprintf("Got mock soft reset\n"); - return 0; - } - - if (!pd_port[port].mock_pe_message_received) { - ccprintf("No mock pe msg received\n"); - return 0; - } - - if (pd_port[port].mock_pe_error >= 0) { - ccprintf("Mock pe error (%d)\n", pd_port[port].mock_pe_error); - return 0; - } - - if (rx_emsg[port].len != len) { - ccprintf("emsg len (%d) != 0\n", rx_emsg[port].len); - return 0; - } - - for (i = 0; i < len; i++) { - if (rx_emsg[port].buf[i] != td[i]) { - ccprintf("emsg buf[%d] != td\n", i); - return 0; - } - } - - return 1; -} - -static int simulate_receive_data(int port, enum pd_data_msg_type msg_type, - int len) -{ - int i; - int nw = (len + 3) >> 2; - uint8_t td[28]; - uint16_t header = PD_HEADER(msg_type, pd_port[port].power_role, - pd_port[port].data_role, pd_port[port].msg_rx_id, - nw, pd_port[port].rev, 0); - - pd_port[port].mock_pe_error = -1; - pd_port[port].mock_pe_message_received = 0; - rx_emsg[port].header = 0; - rx_emsg[port].len = 0; - memset(rx_emsg[port].buf, 0, ARRAY_SIZE(rx_emsg[port].buf)); - - for (i = 0; i < 28; i++) { - if (i < len) - td[i] = *((uint8_t *)test_data + i); - else - td[i] = 0; - } - - simulate_rx_msg(port, header, nw, (uint32_t *)td); - task_wait_event(30 * MSEC); - - if (!verify_goodcrc(port, pd_port[port].data_role, - pd_port[port].msg_rx_id)) - return 0; - - inc_rx_id(port); - - return verify_data_reception(port, header, len); -} - -static int simulate_receive_extended_data(int port, - enum pd_data_msg_type msg_type, int len) -{ - int i; - int j; - int byte_len; - int nw; - int dsize; - uint8_t td[28]; - int chunk_num = 0; - int data_offset = 0; - uint8_t *expected_data = (uint8_t *)test_data; - uint16_t header; - - pd_port[port].mock_pe_error = -1; - pd_port[port].mock_pe_message_received = 0; - rx_emsg[port].header = 0; - rx_emsg[port].len = 0; - memset(rx_emsg[port].buf, 0, ARRAY_SIZE(rx_emsg[port].buf)); - - dsize = len; - for (j = 0; j < 10; j++) { - /* Let state machine settle before starting another round */ - cycle_through_state_machine(port, 10, MSEC); - - byte_len = len; - if (byte_len > PD_MAX_EXTENDED_MSG_CHUNK_LEN) - byte_len = PD_MAX_EXTENDED_MSG_CHUNK_LEN; - - len -= PD_MAX_EXTENDED_MSG_CHUNK_LEN; - - memset(td, 0, 28); - *(uint16_t *)td = PD_EXT_HEADER(chunk_num, 0, dsize); - - for (i = 0; i < byte_len; i++) - td[i + 2] = *(expected_data + data_offset++); - - nw = (byte_len + 2 + 3) >> 2; - header = PD_HEADER(msg_type, pd_port[port].power_role, - pd_port[port].data_role, pd_port[port].msg_rx_id, - nw, pd_port[port].rev, 1); - - if (pd_port[port].mock_pe_error >= 0) { - ccprintf("Mock pe error (%d) iteration (%d)\n", - pd_port[port].mock_pe_error, j); - return 0; - } - - if (IS_ENABLED(CONFIG_USB_PD_EXTENDED_MESSAGES) && - pd_port[port].mock_pe_message_received) { - ccprintf("Mock pe msg received iteration (%d)\n", j); - return 0; - } - - if (rx_emsg[port].len != 0) { - ccprintf("emsg len (%d) != 0 iteration (%d)\n", - rx_emsg[port].len, j); - return 0; - } - - simulate_rx_msg(port, header, nw, (uint32_t *)td); - cycle_through_state_machine(port, 1, MSEC); - - if (!verify_goodcrc(port, pd_port[port].data_role, - pd_port[port].msg_rx_id)) { - ccprintf("Verify goodcrc bad iteration (%d)\n", j); - return 0; - } - - cycle_through_state_machine(port, 1, MSEC); - inc_rx_id(port); - - if (!IS_ENABLED(CONFIG_USB_PD_EXTENDED_MESSAGES)) { - if (pd_port[port].mock_pe_message_received) - return 1; - return 0; - } - - /* - * If no more data, do expected to get a chunk request - */ - if (len <= 0) - break; - - /* - * We need to ensure that the TX event has been set, which may - * require an extra cycle through the state machine - */ - if (!(PD_EVENT_TX & pending_pd_task_events(port))) - cycle_through_state_machine(port, 1, MSEC); - - chunk_num++; - - /* Test Request next chunk packet */ - if (!pd_test_tx_msg_verify_sop(port)) { - ccprintf("Verify sop bad 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, - 1, pd_port[port].rev, 1))) { - ccprintf("Verify msg short bad iteration (%d)\n", j); - return 0; - } - - if (!pd_test_tx_msg_verify_word(port, - PD_EXT_HEADER(chunk_num, 1, 0))) { - ccprintf("Verify msg word bad iteration (%d)\n", j); - return 0; - } - - if (!pd_test_tx_msg_verify_crc(port)) { - ccprintf("Verify msg crc bad iteration (%d)\n", j); - return 0; - } - - if (!pd_test_tx_msg_verify_eop(port)) { - ccprintf("Verify msg eop bad iteration (%d)\n", j); - return 0; - } - - cycle_through_state_machine(port, 1, MSEC); - - /* Request next chunk packet was good. 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); - } - - cycle_through_state_machine(port, 1, MSEC); - - return verify_chunk_data_reception(port, header, dsize); -} - -static int verify_ctrl_msg_transmission(int port, - enum pd_ctrl_msg_type msg_type) -{ - 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 tcpci_msg_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 tcpci_msg_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 tcpci_msg_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, TCPCI_MSG_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 tcpci_msg_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_frs_mode(int port) -{ - return false; -} - -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_soft(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, - TCPCI_MSG_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, - TCPCI_MSG_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, - TCPCI_MSG_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, TCPCI_MSG_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, - TCPCI_MSG_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(); -} |