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M7350/kernel/arch/arm/mach-msm/smp2p_test.c
T f9cc65cfda M7350v1_en_gpl
2024-09-09 08:52:07 +00:00

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/* arch/arm/mach-msm/smp2p_test.c
*
* Copyright (c) 2013, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <linux/debugfs.h>
#include <linux/ctype.h>
#include <linux/jiffies.h>
#include <linux/delay.h>
#include <linux/completion.h>
#include "smp2p_private.h"
#include "smp2p_test_common.h"
/**
* smp2p_ut_local_basic - Basic sanity test using local loopback.
*
* @s: pointer to output file
*
* This test simulates a simple write and read
* when remote processor does not exist.
*/
static void smp2p_ut_local_basic(struct seq_file *s)
{
int failed = 0;
struct msm_smp2p_out *smp2p_obj;
struct msm_smp2p_remote_mock *rmp = NULL;
int ret;
uint32_t test_request;
uint32_t test_response = 0;
static struct mock_cb_data cb_data;
seq_printf(s, "Running %s\n", __func__);
mock_cb_data_init(&cb_data);
do {
/* initialize mock edge and start opening */
ret = smp2p_reset_mock_edge();
UT_ASSERT_INT(ret, ==, 0);
rmp = msm_smp2p_get_remote_mock();
UT_ASSERT_PTR(rmp, !=, NULL);
rmp->rx_interrupt_count = 0;
memset(&rmp->remote_item, 0,
sizeof(struct smp2p_smem_item));
msm_smp2p_set_remote_mock_exists(false);
ret = msm_smp2p_out_open(SMP2P_REMOTE_MOCK_PROC, "smp2p",
&cb_data.nb, &smp2p_obj);
UT_ASSERT_INT(ret, ==, 0);
UT_ASSERT_INT(rmp->rx_interrupt_count, ==, 1);
UT_ASSERT_INT(cb_data.cb_count, ==, 0);
rmp->rx_interrupt_count = 0;
/* simulate response from remote side */
rmp->remote_item.header.magic = SMP2P_MAGIC;
SMP2P_SET_LOCAL_PID(
rmp->remote_item.header.rem_loc_proc_id,
SMP2P_REMOTE_MOCK_PROC);
SMP2P_SET_REMOTE_PID(
rmp->remote_item.header.rem_loc_proc_id,
SMP2P_APPS_PROC);
SMP2P_SET_VERSION(
rmp->remote_item.header.feature_version, 1);
SMP2P_SET_FEATURES(
rmp->remote_item.header.feature_version, 0);
SMP2P_SET_ENT_TOTAL(
rmp->remote_item.header.valid_total_ent, SMP2P_MAX_ENTRY);
SMP2P_SET_ENT_VALID(
rmp->remote_item.header.valid_total_ent, 0);
rmp->remote_item.header.reserved = 0x0;
msm_smp2p_set_remote_mock_exists(true);
rmp->tx_interrupt();
/* verify port was opened */
UT_ASSERT_INT(
(int)wait_for_completion_timeout(
&cb_data.cb_completion, HZ / 2), >, 0);
UT_ASSERT_INT(cb_data.cb_count, ==, 1);
UT_ASSERT_INT(cb_data.event_open, ==, 1);
UT_ASSERT_INT(rmp->rx_interrupt_count, ==, 2);
/* do write (test outbound entries) */
rmp->rx_interrupt_count = 0;
test_request = 0xC0DE;
ret = msm_smp2p_out_write(smp2p_obj, test_request);
UT_ASSERT_INT(ret, ==, 0);
UT_ASSERT_INT(rmp->rx_interrupt_count, ==, 1);
/* do read (test inbound entries) */
ret = msm_smp2p_out_read(smp2p_obj, &test_response);
UT_ASSERT_INT(ret, ==, 0);
UT_ASSERT_INT(test_request, ==, test_response);
ret = msm_smp2p_out_close(&smp2p_obj);
UT_ASSERT_INT(ret, ==, 0);
UT_ASSERT_PTR(smp2p_obj, ==, 0);
seq_printf(s, "\tOK\n");
} while (0);
if (failed) {
pr_err("%s: Failed\n", __func__);
seq_printf(s, "\tFailed\n");
(void)msm_smp2p_out_close(&smp2p_obj);
}
}
/**
* smp2p_ut_local_late_open - Verify post-negotiation opening.
*
* @s: pointer to output file
*
* Verify entry creation for opening entries after negotiation is complete.
*/
static void smp2p_ut_local_late_open(struct seq_file *s)
{
int failed = 0;
struct msm_smp2p_out *smp2p_obj;
struct msm_smp2p_remote_mock *rmp = NULL;
int ret;
uint32_t test_request;
uint32_t test_response = 0;
static struct mock_cb_data cb_data;
seq_printf(s, "Running %s\n", __func__);
mock_cb_data_init(&cb_data);
do {
/* initialize mock edge */
ret = smp2p_reset_mock_edge();
UT_ASSERT_INT(ret, ==, 0);
rmp = msm_smp2p_get_remote_mock();
UT_ASSERT_PTR(rmp, !=, NULL);
rmp->rx_interrupt_count = 0;
memset(&rmp->remote_item, 0,
sizeof(struct smp2p_smem_item));
rmp->remote_item.header.magic = SMP2P_MAGIC;
SMP2P_SET_LOCAL_PID(
rmp->remote_item.header.rem_loc_proc_id,
SMP2P_REMOTE_MOCK_PROC);
SMP2P_SET_REMOTE_PID(
rmp->remote_item.header.rem_loc_proc_id,
SMP2P_APPS_PROC);
SMP2P_SET_VERSION(
rmp->remote_item.header.feature_version, 1);
SMP2P_SET_FEATURES(
rmp->remote_item.header.feature_version, 0);
SMP2P_SET_ENT_TOTAL(
rmp->remote_item.header.valid_total_ent,
SMP2P_MAX_ENTRY);
SMP2P_SET_ENT_VALID(
rmp->remote_item.header.valid_total_ent, 0);
rmp->remote_item.header.reserved = 0x0;
msm_smp2p_set_remote_mock_exists(true);
ret = msm_smp2p_out_open(SMP2P_REMOTE_MOCK_PROC, "smp2p",
&cb_data.nb, &smp2p_obj);
UT_ASSERT_INT(ret, ==, 0);
/* verify port was opened */
UT_ASSERT_INT(
(int)wait_for_completion_timeout(
&cb_data.cb_completion, HZ / 2),
>, 0);
UT_ASSERT_INT(cb_data.cb_count, ==, 1);
UT_ASSERT_INT(cb_data.event_open, ==, 1);
UT_ASSERT_INT(rmp->rx_interrupt_count, ==, 2);
/* do write (test outbound entries) */
rmp->rx_interrupt_count = 0;
test_request = 0xC0DE;
ret = msm_smp2p_out_write(smp2p_obj, test_request);
UT_ASSERT_INT(ret, ==, 0);
UT_ASSERT_INT(rmp->rx_interrupt_count, ==, 1);
/* do read (test inbound entries) */
ret = msm_smp2p_out_read(smp2p_obj, &test_response);
UT_ASSERT_INT(ret, ==, 0);
UT_ASSERT_INT(test_request, ==, test_response);
ret = msm_smp2p_out_close(&smp2p_obj);
UT_ASSERT_INT(ret, ==, 0);
UT_ASSERT_PTR(smp2p_obj, ==, 0);
seq_printf(s, "\tOK\n");
} while (0);
if (failed) {
pr_err("%s: Failed\n", __func__);
seq_printf(s, "\tFailed\n");
(void)msm_smp2p_out_close(&smp2p_obj);
}
}
/**
* smp2p_ut_local_early_open - Verify pre-negotiation opening.
*
* @s: pointer to output file
*
* Verify entry creation for opening entries before negotiation is complete.
*/
static void smp2p_ut_local_early_open(struct seq_file *s)
{
int failed = 0;
struct msm_smp2p_out *smp2p_obj;
struct msm_smp2p_remote_mock *rmp = NULL;
struct smp2p_smem *outbound_item;
int negotiation_state;
int ret;
uint32_t test_request;
uint32_t test_response = 0;
static struct mock_cb_data cb_data;
seq_printf(s, "Running %s\n", __func__);
mock_cb_data_init(&cb_data);
do {
/* initialize mock edge, but don't enable, yet */
ret = smp2p_reset_mock_edge();
UT_ASSERT_INT(ret, ==, 0);
rmp = msm_smp2p_get_remote_mock();
UT_ASSERT_PTR(rmp, !=, NULL);
rmp->rx_interrupt_count = 0;
memset(&rmp->remote_item, 0,
sizeof(struct smp2p_smem_item));
rmp->remote_item.header.magic = SMP2P_MAGIC;
SMP2P_SET_LOCAL_PID(
rmp->remote_item.header.rem_loc_proc_id,
SMP2P_REMOTE_MOCK_PROC);
SMP2P_SET_REMOTE_PID(
rmp->remote_item.header.rem_loc_proc_id,
SMP2P_APPS_PROC);
SMP2P_SET_VERSION(
rmp->remote_item.header.feature_version, 1);
SMP2P_SET_FEATURES(
rmp->remote_item.header.feature_version, 0);
SMP2P_SET_ENT_TOTAL(
rmp->remote_item.header.valid_total_ent, SMP2P_MAX_ENTRY);
SMP2P_SET_ENT_VALID(
rmp->remote_item.header.valid_total_ent, 0);
rmp->remote_item.header.reserved = 0x0;
msm_smp2p_set_remote_mock_exists(false);
UT_ASSERT_PTR(NULL, ==,
smp2p_get_in_item(SMP2P_REMOTE_MOCK_PROC));
/* initiate open, but verify it doesn't complete */
ret = msm_smp2p_out_open(SMP2P_REMOTE_MOCK_PROC, "smp2p",
&cb_data.nb, &smp2p_obj);
UT_ASSERT_INT(ret, ==, 0);
UT_ASSERT_INT(
(int)wait_for_completion_timeout(
&cb_data.cb_completion, HZ / 8),
==, 0);
UT_ASSERT_INT(cb_data.cb_count, ==, 0);
UT_ASSERT_INT(cb_data.event_open, ==, 0);
UT_ASSERT_INT(rmp->rx_interrupt_count, ==, 1);
outbound_item = smp2p_get_out_item(SMP2P_REMOTE_MOCK_PROC,
&negotiation_state);
UT_ASSERT_PTR(outbound_item, !=, NULL);
UT_ASSERT_INT(negotiation_state, ==, SMP2P_EDGE_STATE_OPENING);
UT_ASSERT_INT(0, ==,
SMP2P_GET_ENT_VALID(outbound_item->valid_total_ent));
/* verify that read/write don't work yet */
rmp->rx_interrupt_count = 0;
test_request = 0x0;
ret = msm_smp2p_out_write(smp2p_obj, test_request);
UT_ASSERT_INT(ret, ==, -ENODEV);
UT_ASSERT_INT(rmp->rx_interrupt_count, ==, 0);
ret = msm_smp2p_out_read(smp2p_obj, &test_response);
UT_ASSERT_INT(ret, ==, -ENODEV);
/* allocate remote entry and verify open */
msm_smp2p_set_remote_mock_exists(true);
rmp->tx_interrupt();
UT_ASSERT_INT(
(int)wait_for_completion_timeout(
&cb_data.cb_completion, HZ / 2),
>, 0);
UT_ASSERT_INT(cb_data.cb_count, ==, 1);
UT_ASSERT_INT(cb_data.event_open, ==, 1);
UT_ASSERT_INT(rmp->rx_interrupt_count, ==, 2);
/* do write (test outbound entries) */
rmp->rx_interrupt_count = 0;
test_request = 0xC0DE;
ret = msm_smp2p_out_write(smp2p_obj, test_request);
UT_ASSERT_INT(ret, ==, 0);
UT_ASSERT_INT(rmp->rx_interrupt_count, ==, 1);
/* do read (test inbound entries) */
ret = msm_smp2p_out_read(smp2p_obj, &test_response);
UT_ASSERT_INT(ret, ==, 0);
UT_ASSERT_INT(test_request, ==, test_response);
ret = msm_smp2p_out_close(&smp2p_obj);
UT_ASSERT_INT(ret, ==, 0);
UT_ASSERT_PTR(smp2p_obj, ==, 0);
seq_printf(s, "\tOK\n");
} while (0);
if (failed) {
pr_err("%s: Failed\n", __func__);
seq_printf(s, "\tFailed\n");
(void)msm_smp2p_out_close(&smp2p_obj);
}
}
/**
* smp2p_ut_mock_loopback - Exercise the remote loopback using remote mock.
*
* @s: pointer to output file
*
* This test exercises the remote loopback code using
* remote mock object. The remote mock object simulates the remote
* processor sending remote loopback commands to the local processor.
*/
static void smp2p_ut_mock_loopback(struct seq_file *s)
{
int failed = 0;
struct msm_smp2p_remote_mock *rmp = NULL;
int ret;
uint32_t test_request = 0;
uint32_t test_response = 0;
struct msm_smp2p_out *local;
seq_printf(s, "Running %s\n", __func__);
do {
/* Initialize the mock edge */
ret = smp2p_reset_mock_edge();
UT_ASSERT_INT(ret, ==, 0);
rmp = msm_smp2p_get_remote_mock();
UT_ASSERT_PTR(rmp, !=, NULL);
memset(&rmp->remote_item, 0,
sizeof(struct smp2p_smem_item));
rmp->remote_item.header.magic = SMP2P_MAGIC;
SMP2P_SET_LOCAL_PID(
rmp->remote_item.header.rem_loc_proc_id,
SMP2P_REMOTE_MOCK_PROC);
SMP2P_SET_REMOTE_PID(
rmp->remote_item.header.rem_loc_proc_id,
SMP2P_APPS_PROC);
SMP2P_SET_VERSION(
rmp->remote_item.header.feature_version, 1);
SMP2P_SET_FEATURES(
rmp->remote_item.header.feature_version, 0);
SMP2P_SET_ENT_TOTAL(
rmp->remote_item.header.valid_total_ent, SMP2P_MAX_ENTRY);
SMP2P_SET_ENT_VALID(
rmp->remote_item.header.valid_total_ent, 1);
rmp->remote_item.header.reserved = 0x0;
msm_smp2p_set_remote_mock_exists(true);
/* Create test entry and attach loopback server */
rmp->rx_interrupt_count = 0;
INIT_COMPLETION(rmp->cb_completion);
strlcpy(rmp->remote_item.entries[0].name, "smp2p",
SMP2P_MAX_ENTRY_NAME);
rmp->remote_item.entries[0].entry = 0;
rmp->tx_interrupt();
local = msm_smp2p_init_rmt_lpb_proc(SMP2P_REMOTE_MOCK_PROC);
UT_ASSERT_INT(
(int)wait_for_completion_timeout(
&rmp->cb_completion, HZ / 2),
>, 0);
UT_ASSERT_INT(rmp->rx_interrupt_count, ==, 2);
/* Send Echo Command */
rmp->rx_interrupt_count = 0;
INIT_COMPLETION(rmp->cb_completion);
SMP2P_SET_RMT_CMD_TYPE(test_request, 1);
SMP2P_SET_RMT_CMD(test_request, SMP2P_LB_CMD_ECHO);
SMP2P_SET_RMT_DATA(test_request, 10);
rmp->remote_item.entries[0].entry = test_request;
rmp->tx_interrupt();
UT_ASSERT_INT(
(int)wait_for_completion_timeout(
&rmp->cb_completion, HZ / 2),
>, 0);
/* Verify Echo Response */
UT_ASSERT_INT(rmp->rx_interrupt_count, ==, 1);
ret = msm_smp2p_out_read(local,
&test_response);
UT_ASSERT_INT(ret, ==, 0);
test_response = SMP2P_GET_RMT_DATA(test_response);
UT_ASSERT_INT(test_response, ==, 10);
/* Send PINGPONG command */
test_request = 0;
test_response = 0;
rmp->rx_interrupt_count = 0;
INIT_COMPLETION(rmp->cb_completion);
SMP2P_SET_RMT_CMD_TYPE(test_request, 1);
SMP2P_SET_RMT_CMD(test_request, SMP2P_LB_CMD_PINGPONG);
SMP2P_SET_RMT_DATA(test_request, 10);
rmp->remote_item.entries[0].entry = test_request;
rmp->tx_interrupt();
UT_ASSERT_INT(
(int)wait_for_completion_timeout(
&rmp->cb_completion, HZ / 2),
>, 0);
/* Verify PINGPONG Response */
UT_ASSERT_INT(rmp->rx_interrupt_count, ==, 1);
ret = msm_smp2p_out_read(local, &test_response);
UT_ASSERT_INT(ret, ==, 0);
test_response = SMP2P_GET_RMT_DATA(test_response);
UT_ASSERT_INT(test_response, ==, 9);
/* Send CLEARALL command */
test_request = 0;
test_response = 0;
rmp->rx_interrupt_count = 0;
INIT_COMPLETION(rmp->cb_completion);
SMP2P_SET_RMT_CMD_TYPE(test_request, 1);
SMP2P_SET_RMT_CMD(test_request, SMP2P_LB_CMD_CLEARALL);
SMP2P_SET_RMT_DATA(test_request, 10);
rmp->remote_item.entries[0].entry = test_request;
rmp->tx_interrupt();
UT_ASSERT_INT(
(int)wait_for_completion_timeout(
&rmp->cb_completion, HZ / 2),
>, 0);
/* Verify CLEARALL response */
UT_ASSERT_INT(rmp->rx_interrupt_count, ==, 1);
ret = msm_smp2p_out_read(local, &test_response);
UT_ASSERT_INT(ret, ==, 0);
test_response = SMP2P_GET_RMT_DATA(test_response);
UT_ASSERT_INT(test_response, ==, 0);
ret = msm_smp2p_deinit_rmt_lpb_proc(SMP2P_REMOTE_MOCK_PROC);
UT_ASSERT_INT(ret, ==, 0);
seq_printf(s, "\tOK\n");
} while (0);
if (failed) {
pr_err("%s: Failed\n", __func__);
seq_printf(s, "\tFailed\n");
msm_smp2p_deinit_rmt_lpb_proc(SMP2P_REMOTE_MOCK_PROC);
}
}
/**
* smp2p_ut_remote_inout_core - Verify inbound/outbound functionality.
*
* @s: pointer to output file
* @remote_pid: Remote processor to test
*
* This test verifies inbound/outbound functionality for the remote processor.
*/
static void smp2p_ut_remote_inout_core(struct seq_file *s, int remote_pid)
{
int failed = 0;
struct msm_smp2p_out *handle;
int ret;
uint32_t test_request;
uint32_t test_response = 0;
static struct mock_cb_data cb_out;
static struct mock_cb_data cb_in;
seq_printf(s, "Running %s for '%s' remote pid %d\n",
__func__, smp2p_pid_to_name(remote_pid), remote_pid);
mock_cb_data_init(&cb_out);
mock_cb_data_init(&cb_in);
do {
/* Open output entry */
ret = msm_smp2p_out_open(remote_pid, "smp2p",
&cb_out.nb, &handle);
UT_ASSERT_INT(ret, ==, 0);
UT_ASSERT_INT(
(int)wait_for_completion_timeout(
&cb_out.cb_completion, HZ / 2),
>, 0);
UT_ASSERT_INT(cb_out.cb_count, ==, 1);
UT_ASSERT_INT(cb_out.event_open, ==, 1);
/* Open inbound entry */
ret = msm_smp2p_in_register(remote_pid, "smp2p",
&cb_in.nb);
UT_ASSERT_INT(ret, ==, 0);
UT_ASSERT_INT(
(int)wait_for_completion_timeout(
&cb_in.cb_completion, HZ / 2),
>, 0);
UT_ASSERT_INT(cb_in.cb_count, ==, 1);
UT_ASSERT_INT(cb_in.event_open, ==, 1);
/* Write an echo request */
mock_cb_data_reset(&cb_out);
mock_cb_data_reset(&cb_in);
test_request = 0x0;
SMP2P_SET_RMT_CMD_TYPE(test_request, 1);
SMP2P_SET_RMT_CMD(test_request, SMP2P_LB_CMD_ECHO);
SMP2P_SET_RMT_DATA(test_request, 0xAA55);
ret = msm_smp2p_out_write(handle, test_request);
UT_ASSERT_INT(ret, ==, 0);
/* Verify inbound reply */
UT_ASSERT_INT(
(int)wait_for_completion_timeout(
&cb_in.cb_completion, HZ / 2),
>, 0);
UT_ASSERT_INT(cb_in.cb_count, ==, 1);
UT_ASSERT_INT(cb_in.event_entry_update, ==, 1);
UT_ASSERT_INT(SMP2P_GET_RMT_DATA(
cb_in.entry_data.current_value), ==, 0xAA55);
ret = msm_smp2p_in_read(remote_pid, "smp2p", &test_response);
UT_ASSERT_INT(ret, ==, 0);
UT_ASSERT_INT(0, ==, SMP2P_GET_RMT_CMD_TYPE(test_response));
UT_ASSERT_INT(SMP2P_LB_CMD_ECHO, ==,
SMP2P_GET_RMT_CMD(test_response));
UT_ASSERT_INT(0xAA55, ==, SMP2P_GET_RMT_DATA(test_response));
/* Write a clear all request */
mock_cb_data_reset(&cb_in);
test_request = 0x0;
SMP2P_SET_RMT_CMD_TYPE(test_request, 1);
SMP2P_SET_RMT_CMD(test_request, SMP2P_LB_CMD_CLEARALL);
SMP2P_SET_RMT_DATA(test_request, 0xAA55);
ret = msm_smp2p_out_write(handle, test_request);
UT_ASSERT_INT(ret, ==, 0);
/* Verify inbound reply */
UT_ASSERT_INT(
(int)wait_for_completion_timeout(
&cb_in.cb_completion, HZ / 2),
>, 0);
UT_ASSERT_INT(cb_in.cb_count, ==, 1);
UT_ASSERT_INT(cb_in.event_entry_update, ==, 1);
UT_ASSERT_INT(SMP2P_GET_RMT_DATA(
cb_in.entry_data.current_value), ==, 0x0000);
ret = msm_smp2p_in_read(remote_pid, "smp2p", &test_response);
UT_ASSERT_INT(ret, ==, 0);
UT_ASSERT_INT(0, ==, SMP2P_GET_RMT_CMD_TYPE(test_response));
UT_ASSERT_INT(0x0000, ==, SMP2P_GET_RMT_DATA(test_response));
/* Write a decrement request */
mock_cb_data_reset(&cb_in);
test_request = 0x0;
SMP2P_SET_RMT_CMD_TYPE(test_request, 1);
SMP2P_SET_RMT_CMD(test_request, SMP2P_LB_CMD_PINGPONG);
SMP2P_SET_RMT_DATA(test_request, 0xAA55);
ret = msm_smp2p_out_write(handle, test_request);
UT_ASSERT_INT(ret, ==, 0);
/* Verify inbound reply */
UT_ASSERT_INT(
(int)wait_for_completion_timeout(
&cb_in.cb_completion, HZ / 2),
>, 0);
UT_ASSERT_INT(cb_in.cb_count, ==, 1);
UT_ASSERT_INT(cb_in.event_entry_update, ==, 1);
UT_ASSERT_INT(SMP2P_GET_RMT_DATA(
cb_in.entry_data.current_value), ==, 0xAA54);
ret = msm_smp2p_in_read(remote_pid, "smp2p", &test_response);
UT_ASSERT_INT(ret, ==, 0);
UT_ASSERT_INT(0, ==, SMP2P_GET_RMT_CMD_TYPE(test_response));
UT_ASSERT_INT(SMP2P_LB_CMD_PINGPONG, ==,
SMP2P_GET_RMT_CMD(test_response));
UT_ASSERT_INT(0xAA54, ==, SMP2P_GET_RMT_DATA(test_response));
/* Test the ignore flag */
mock_cb_data_reset(&cb_in);
test_request = 0x0;
SMP2P_SET_RMT_CMD_TYPE(test_request, 1);
SMP2P_SET_RMT_CMD(test_request, SMP2P_RLPB_IGNORE);
SMP2P_SET_RMT_DATA(test_request, 0xAA55);
ret = msm_smp2p_out_write(handle, test_request);
UT_ASSERT_INT(ret, ==, 0);
UT_ASSERT_INT(
(int)wait_for_completion_timeout(
&cb_in.cb_completion, HZ / 2),
==, 0);
UT_ASSERT_INT(cb_in.cb_count, ==, 0);
UT_ASSERT_INT(cb_in.event_entry_update, ==, 0);
ret = msm_smp2p_in_read(remote_pid, "smp2p", &test_response);
UT_ASSERT_INT(ret, ==, 0);
UT_ASSERT_INT(0xAA54, ==, SMP2P_GET_RMT_DATA(test_response));
/* Cleanup */
ret = msm_smp2p_out_close(&handle);
UT_ASSERT_INT(ret, ==, 0);
UT_ASSERT_PTR(handle, ==, 0);
ret = msm_smp2p_in_unregister(remote_pid, "smp2p", &cb_in.nb);
UT_ASSERT_INT(ret, ==, 0);
seq_printf(s, "\tOK\n");
} while (0);
if (failed) {
if (handle)
(void)msm_smp2p_out_close(&handle);
(void)msm_smp2p_in_unregister(remote_pid, "smp2p", &cb_in.nb);
pr_err("%s: Failed\n", __func__);
seq_printf(s, "\tFailed\n");
}
}
/**
* smp2p_ut_remote_inout - Verify inbound/outbound functionality for all.
*
* @s: pointer to output file
*
* This test verifies inbound and outbound functionality for all
* configured remote processor.
*/
static void smp2p_ut_remote_inout(struct seq_file *s)
{
struct smp2p_interrupt_config *int_cfg;
int pid;
int_cfg = smp2p_get_interrupt_config();
if (!int_cfg) {
seq_printf(s,
"Remote processor config unavailable\n");
return;
}
for (pid = 0; pid < SMP2P_NUM_PROCS; ++pid) {
if (!int_cfg[pid].is_configured)
continue;
msm_smp2p_deinit_rmt_lpb_proc(pid);
smp2p_ut_remote_inout_core(s, pid);
msm_smp2p_init_rmt_lpb_proc(pid);
}
}
/**
* smp2p_ut_remote_out_max_entries_core - Verify open functionality.
*
* @s: pointer to output file
* @remote_pid: Remote processor for which the test is executed.
*
* This test verifies open functionality by creating maximum outbound entries.
*/
static void smp2p_ut_remote_out_max_entries_core(struct seq_file *s,
int remote_pid)
{
int j = 0;
int failed = 0;
struct msm_smp2p_out *handle[SMP2P_MAX_ENTRY];
int ret;
static struct mock_cb_data cb_out[SMP2P_MAX_ENTRY];
char entry_name[SMP2P_MAX_ENTRY_NAME];
int num_created;
seq_printf(s, "Running %s for '%s' remote pid %d\n",
__func__, smp2p_pid_to_name(remote_pid), remote_pid);
for (j = 0; j < SMP2P_MAX_ENTRY; j++) {
handle[j] = NULL;
mock_cb_data_init(&cb_out[j]);
}
do {
num_created = 0;
for (j = 0; j < SMP2P_MAX_ENTRY; j++) {
/* Open as many output entries as possible */
scnprintf((char *)entry_name, SMP2P_MAX_ENTRY_NAME,
"smp2p%d", j);
ret = msm_smp2p_out_open(remote_pid, entry_name,
&cb_out[j].nb, &handle[j]);
if (ret == -ENOMEM)
/* hit max number */
break;
UT_ASSERT_INT(ret, ==, 0);
++num_created;
}
if (failed)
break;
/* verify we created more than 1 entry */
UT_ASSERT_INT(num_created, <=, SMP2P_MAX_ENTRY);
UT_ASSERT_INT(num_created, >, 0);
seq_printf(s, "\tOK\n");
} while (0);
if (failed) {
pr_err("%s: Failed\n", __func__);
seq_printf(s, "\tFailed\n");
}
/* cleanup */
for (j = 0; j < SMP2P_MAX_ENTRY; j++)
ret = msm_smp2p_out_close(&handle[j]);
}
/**
* smp2p_ut_remote_out_max_entries - Verify open for all configured processors.
*
* @s: pointer to output file
*
* This test verifies creating max number of entries for
* all configured remote processor.
*/
static void smp2p_ut_remote_out_max_entries(struct seq_file *s)
{
struct smp2p_interrupt_config *int_cfg;
int pid;
int_cfg = smp2p_get_interrupt_config();
if (!int_cfg) {
seq_printf(s,
"Remote processor config unavailable\n");
return;
}
for (pid = 0; pid < SMP2P_NUM_PROCS; ++pid) {
if (!int_cfg[pid].is_configured)
continue;
smp2p_ut_remote_out_max_entries_core(s, pid);
}
}
/**
* smp2p_ut_local_in_max_entries - Verify registering and unregistering.
*
* @s: pointer to output file
*
* This test verifies registering and unregistering for inbound entries using
* the remote mock processor.
*/
static void smp2p_ut_local_in_max_entries(struct seq_file *s)
{
int j = 0;
int failed = 0;
struct msm_smp2p_remote_mock *rmp = NULL;
int ret;
static struct mock_cb_data cb_in[SMP2P_MAX_ENTRY];
static struct mock_cb_data cb_out;
seq_printf(s, "Running %s\n", __func__);
for (j = 0; j < SMP2P_MAX_ENTRY; j++)
mock_cb_data_init(&cb_in[j]);
mock_cb_data_init(&cb_out);
do {
/* Initialize mock edge */
ret = smp2p_reset_mock_edge();
UT_ASSERT_INT(ret, ==, 0);
rmp = msm_smp2p_get_remote_mock();
UT_ASSERT_PTR(rmp, !=, NULL);
rmp->rx_interrupt_count = 0;
memset(&rmp->remote_item, 0,
sizeof(struct smp2p_smem_item));
rmp->remote_item.header.magic = SMP2P_MAGIC;
SMP2P_SET_LOCAL_PID(
rmp->remote_item.header.rem_loc_proc_id,
SMP2P_REMOTE_MOCK_PROC);
SMP2P_SET_REMOTE_PID(
rmp->remote_item.header.rem_loc_proc_id,
SMP2P_APPS_PROC);
SMP2P_SET_VERSION(
rmp->remote_item.header.feature_version, 1);
SMP2P_SET_FEATURES(
rmp->remote_item.header.feature_version, 0);
SMP2P_SET_ENT_TOTAL(
rmp->remote_item.header.valid_total_ent, SMP2P_MAX_ENTRY);
SMP2P_SET_ENT_VALID(
rmp->remote_item.header.valid_total_ent, 0);
rmp->remote_item.header.reserved = 0x0;
msm_smp2p_set_remote_mock_exists(true);
/* Create Max Entries in the remote mock object */
for (j = 0; j < SMP2P_MAX_ENTRY; j++) {
scnprintf(rmp->remote_item.entries[j].name,
SMP2P_MAX_ENTRY_NAME, "smp2p%d", j);
rmp->remote_item.entries[j].entry = 0;
rmp->tx_interrupt();
}
/* Register for in entries */
for (j = 0; j < SMP2P_MAX_ENTRY; j++) {
ret = msm_smp2p_in_register(SMP2P_REMOTE_MOCK_PROC,
rmp->remote_item.entries[j].name,
&(cb_in[j].nb));
UT_ASSERT_INT(ret, ==, 0);
UT_ASSERT_INT(
(int)wait_for_completion_timeout(
&(cb_in[j].cb_completion), HZ / 2),
>, 0);
UT_ASSERT_INT(cb_in[j].cb_count, ==, 1);
UT_ASSERT_INT(cb_in[j].event_entry_update, ==, 0);
}
UT_ASSERT_INT(j, ==, SMP2P_MAX_ENTRY);
/* Unregister */
for (j = 0; j < SMP2P_MAX_ENTRY; j++) {
ret = msm_smp2p_in_unregister(SMP2P_REMOTE_MOCK_PROC,
rmp->remote_item.entries[j].name,
&(cb_in[j].nb));
UT_ASSERT_INT(ret, ==, 0);
}
UT_ASSERT_INT(j, ==, SMP2P_MAX_ENTRY);
seq_printf(s, "\tOK\n");
} while (0);
if (failed) {
pr_err("%s: Failed\n", __func__);
seq_printf(s, "\tFailed\n");
for (j = 0; j < SMP2P_MAX_ENTRY; j++)
ret = msm_smp2p_in_unregister(SMP2P_REMOTE_MOCK_PROC,
rmp->remote_item.entries[j].name,
&(cb_in[j].nb));
}
}
/**
* smp2p_ut_local_in_multiple - Verify Multiple Inbound Registration.
*
* @s: pointer to output file
*
* This test verifies multiple clients registering for same inbound entries
* using the remote mock processor.
*/
static void smp2p_ut_local_in_multiple(struct seq_file *s)
{
int failed = 0;
struct msm_smp2p_remote_mock *rmp = NULL;
int ret;
static struct mock_cb_data cb_in_1;
static struct mock_cb_data cb_in_2;
static struct mock_cb_data cb_out;
seq_printf(s, "Running %s\n", __func__);
mock_cb_data_init(&cb_in_1);
mock_cb_data_init(&cb_in_2);
mock_cb_data_init(&cb_out);
do {
/* Initialize mock edge */
ret = smp2p_reset_mock_edge();
UT_ASSERT_INT(ret, ==, 0);
rmp = msm_smp2p_get_remote_mock();
UT_ASSERT_PTR(rmp, !=, NULL);
rmp->rx_interrupt_count = 0;
memset(&rmp->remote_item, 0,
sizeof(struct smp2p_smem_item));
rmp->remote_item.header.magic = SMP2P_MAGIC;
SMP2P_SET_LOCAL_PID(
rmp->remote_item.header.rem_loc_proc_id,
SMP2P_REMOTE_MOCK_PROC);
SMP2P_SET_REMOTE_PID(
rmp->remote_item.header.rem_loc_proc_id,
SMP2P_APPS_PROC);
SMP2P_SET_VERSION(
rmp->remote_item.header.feature_version, 1);
SMP2P_SET_FEATURES(
rmp->remote_item.header.feature_version, 0);
SMP2P_SET_ENT_TOTAL(
rmp->remote_item.header.valid_total_ent, 1);
SMP2P_SET_ENT_VALID(
rmp->remote_item.header.valid_total_ent, 0);
rmp->remote_item.header.reserved = 0x0;
msm_smp2p_set_remote_mock_exists(true);
/* Create an Entry in the remote mock object */
scnprintf(rmp->remote_item.entries[0].name,
SMP2P_MAX_ENTRY_NAME, "smp2p%d", 1);
rmp->remote_item.entries[0].entry = 0;
rmp->tx_interrupt();
/* Register multiple clients for the inbound entry */
ret = msm_smp2p_in_register(SMP2P_REMOTE_MOCK_PROC,
rmp->remote_item.entries[0].name,
&cb_in_1.nb);
UT_ASSERT_INT(ret, ==, 0);
UT_ASSERT_INT(
(int)wait_for_completion_timeout(
&(cb_in_1.cb_completion), HZ / 2),
>, 0);
UT_ASSERT_INT(cb_in_1.cb_count, ==, 1);
UT_ASSERT_INT(cb_in_1.event_entry_update, ==, 0);
ret = msm_smp2p_in_register(SMP2P_REMOTE_MOCK_PROC,
rmp->remote_item.entries[0].name,
&cb_in_2.nb);
UT_ASSERT_INT(ret, ==, 0);
UT_ASSERT_INT(
(int)wait_for_completion_timeout(
&(cb_in_2.cb_completion), HZ / 2),
>, 0);
UT_ASSERT_INT(cb_in_2.cb_count, ==, 1);
UT_ASSERT_INT(cb_in_2.event_entry_update, ==, 0);
/* Unregister the clients */
ret = msm_smp2p_in_unregister(SMP2P_REMOTE_MOCK_PROC,
rmp->remote_item.entries[0].name,
&(cb_in_1.nb));
UT_ASSERT_INT(ret, ==, 0);
ret = msm_smp2p_in_unregister(SMP2P_REMOTE_MOCK_PROC,
rmp->remote_item.entries[0].name,
&(cb_in_2.nb));
UT_ASSERT_INT(ret, ==, 0);
seq_printf(s, "\tOK\n");
} while (0);
if (failed) {
pr_err("%s: Failed\n", __func__);
seq_printf(s, "\tFailed\n");
ret = msm_smp2p_in_unregister(SMP2P_REMOTE_MOCK_PROC,
rmp->remote_item.entries[0].name,
&(cb_in_1.nb));
ret = msm_smp2p_in_unregister(SMP2P_REMOTE_MOCK_PROC,
rmp->remote_item.entries[0].name,
&(cb_in_2.nb));
}
}
static struct dentry *dent;
static int debugfs_show(struct seq_file *s, void *data)
{
void (*show)(struct seq_file *) = s->private;
show(s);
return 0;
}
static int debug_open(struct inode *inode, struct file *file)
{
return single_open(file, debugfs_show, inode->i_private);
}
static const struct file_operations debug_ops = {
.open = debug_open,
.release = single_release,
.read = seq_read,
.llseek = seq_lseek,
};
void smp2p_debug_create(const char *name,
void (*show)(struct seq_file *))
{
struct dentry *file;
file = debugfs_create_file(name, 0444, dent, show, &debug_ops);
if (!file)
pr_err("%s: unable to create file '%s'\n", __func__, name);
}
static int __init smp2p_debugfs_init(void)
{
dent = debugfs_create_dir("smp2p_test", 0);
if (IS_ERR(dent))
return PTR_ERR(dent);
/*
* Add Unit Test entries.
*
* The idea with unit tests is that you can run all of them
* from ADB shell by doing:
* adb shell
* cat ut*
*
* And if particular tests fail, you can then repeatedly run the
* failing tests as you debug and resolve the failing test.
*/
smp2p_debug_create("ut_local_basic",
smp2p_ut_local_basic);
smp2p_debug_create("ut_local_late_open",
smp2p_ut_local_late_open);
smp2p_debug_create("ut_local_early_open",
smp2p_ut_local_early_open);
smp2p_debug_create("ut_mock_loopback",
smp2p_ut_mock_loopback);
smp2p_debug_create("ut_remote_inout",
smp2p_ut_remote_inout);
smp2p_debug_create("ut_local_in_max_entries",
smp2p_ut_local_in_max_entries);
smp2p_debug_create("ut_remote_out_max_entries",
smp2p_ut_remote_out_max_entries);
smp2p_debug_create("ut_local_in_multiple",
smp2p_ut_local_in_multiple);
return 0;
}
module_init(smp2p_debugfs_init);
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