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soc: qcom: Remove smp2p test support

Browse source 
Smp2p test code is used internally to test the
functionality of drivers and has no real use case
in end product.

Change-Id: I7a50c077bb71068188b5411424c5782b3d0edbb7
Signed-off-by: Hardik Arya <harya@codeaurora.org>
This commit is contained in:
Hardik Arya 2018-10-10 18:25:49 +05:30 • committed by Timi
parent 58d4b3e3dc
commit 7a51a8d49b
3 changed files with 0 additions and 2360 deletions
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819
drivers/soc/qcom/smp2p_spinlock_test.c
View file

@ -1,819 +0,0 @@
/* drivers/soc/qcom/smp2p_spinlock_test.c
*
* Copyright (c) 2013-2017, 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 <linux/module.h>
#include <linux/remote_spinlock.h>
#include <soc/qcom/smem.h>
#include "smem_private.h"
#include "smp2p_private.h"
#include "smp2p_test_common.h"
#define RS_END_THIEF_PID_BIT 20
#define RS_END_THIEF_MASK 0x00f00000
/* Spinlock commands used for testing Apps<->RPM spinlocks. */
enum RPM_SPINLOCK_CMDS {
RPM_CMD_INVALID,
RPM_CMD_START,
RPM_CMD_LOCKED,
RPM_CMD_UNLOCKED,
RPM_CMD_END,
};
/* Shared structure for testing Apps<->RPM spinlocks. */
struct rpm_spinlock_test {
uint32_t apps_cmd;
uint32_t apps_lock_count;
uint32_t rpm_cmd;
uint32_t rpm_lock_count;
};
static uint32_t ut_remote_spinlock_run_time = 1;
/**
* smp2p_ut_remote_spinlock_core - Verify remote spinlock.
*
* @s: Pointer to output file
* @remote_pid: Remote processor to test
* @use_trylock: Use trylock to prevent an Apps deadlock if the
* remote spinlock fails.
*/
static void smp2p_ut_remote_spinlock_core(struct seq_file *s, int remote_pid,
bool use_trylock)
{
int failed = 0;
unsigned lock_count = 0;
struct msm_smp2p_out *handle = NULL;
int ret;
uint32_t test_request;
uint32_t test_response;
struct mock_cb_data cb_out;
struct mock_cb_data cb_in;
unsigned long flags;
unsigned n;
bool have_lock;
bool timeout;
int failed_tmp;
int spinlock_owner;
remote_spinlock_t *smem_spinlock;
unsigned long end;
seq_printf(s, "Running %s for '%s' remote pid %d\n",
__func__, smp2p_pid_to_name(remote_pid), remote_pid);
cb_out.initialized = false;
cb_in.initialized = false;
mock_cb_data_init(&cb_out);
mock_cb_data_init(&cb_in);
do {
smem_spinlock = smem_get_remote_spinlock();
UT_ASSERT_PTR(smem_spinlock, !=, NULL);
/* Open output entry */
ret = msm_smp2p_out_open(remote_pid, SMP2P_RLPB_ENTRY_NAME,
&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_RLPB_ENTRY_NAME,
&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);
/* Send start */
mock_cb_data_reset(&cb_in);
mock_cb_data_reset(&cb_out);
test_request = 0x0;
SMP2P_SET_RMT_CMD_TYPE_REQ(test_request);
SMP2P_SET_RMT_CMD(test_request, SMP2P_LB_CMD_RSPIN_START);
SMP2P_SET_RMT_DATA(test_request, 0x0);
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, ==, 1);
UT_ASSERT_INT(cb_in.event_entry_update, ==, 1);
ret = msm_smp2p_in_read(remote_pid, SMP2P_RLPB_ENTRY_NAME,
&test_response);
UT_ASSERT_INT(ret, ==, 0);
test_response = SMP2P_GET_RMT_CMD(test_response);
if (test_response != SMP2P_LB_CMD_RSPIN_LOCKED &&
test_response != SMP2P_LB_CMD_RSPIN_UNLOCKED) {
/* invalid response from remote - abort test */
test_request = 0x0;
SMP2P_SET_RMT_CMD_TYPE(test_request, 1);
SMP2P_SET_RMT_CMD(test_request, SMP2P_LB_CMD_RSPIN_END);
SMP2P_SET_RMT_DATA(test_request, 0x0);
ret = msm_smp2p_out_write(handle, test_request);
UT_ASSERT_HEX(SMP2P_LB_CMD_RSPIN_LOCKED, ==,
test_response);
}
/* Run spinlock test */
if (use_trylock)
seq_puts(s, "\tUsing remote_spin_trylock\n");
else
seq_puts(s, "\tUsing remote_spin_lock\n");
flags = 0;
have_lock = false;
timeout = false;
spinlock_owner = 0;
test_request = 0x0;
SMP2P_SET_RMT_CMD_TYPE_REQ(test_request);
end = jiffies + (ut_remote_spinlock_run_time * HZ);
if (ut_remote_spinlock_run_time < 300) {
seq_printf(s, "\tRunning test for %u seconds; ",
ut_remote_spinlock_run_time);
seq_puts(s,
"on physical hardware please run >= 300 seconds by doing 'echo 300 > ut_remote_spinlock_time'\n");
}
while (time_is_after_jiffies(end)) {
/* try to acquire spinlock */
if (use_trylock) {
unsigned long j_start = jiffies;
while (!remote_spin_trylock_irqsave(
smem_spinlock, flags)) {
if (jiffies_to_msecs(jiffies - j_start)
> 1000) {
seq_puts(s,
"\tFail: Timeout trying to get the lock\n");
timeout = true;
break;
}
}
if (timeout)
break;
} else {
remote_spin_lock_irqsave(smem_spinlock, flags);
}
have_lock = true;
++lock_count;
/* tell the remote side that we have the lock */
SMP2P_SET_RMT_DATA(test_request, lock_count);
SMP2P_SET_RMT_CMD(test_request,
SMP2P_LB_CMD_RSPIN_LOCKED);
ret = msm_smp2p_out_write(handle, test_request);
UT_ASSERT_INT(ret, ==, 0);
/* verify the other side doesn't say it has the lock */
for (n = 0; n < 1000; ++n) {
spinlock_owner =
remote_spin_owner(smem_spinlock);
if (spinlock_owner != SMEM_APPS) {
/* lock stolen by remote side */
seq_puts(s, "\tFail: Remote side: ");
seq_printf(s, "%d stole lock pid: %d\n",
remote_pid, spinlock_owner);
failed = true;
break;
}
spinlock_owner = 0;
ret = msm_smp2p_in_read(remote_pid,
SMP2P_RLPB_ENTRY_NAME, &test_response);
UT_ASSERT_INT(ret, ==, 0);
test_response =
SMP2P_GET_RMT_CMD(test_response);
UT_ASSERT_HEX(SMP2P_LB_CMD_RSPIN_UNLOCKED, ==,
test_response);
}
if (failed)
break;
/* tell remote side we are unlocked and release lock */
SMP2P_SET_RMT_CMD(test_request,
SMP2P_LB_CMD_RSPIN_UNLOCKED);
(void)msm_smp2p_out_write(handle, test_request);
have_lock = false;
remote_spin_unlock_irqrestore(smem_spinlock, flags);
}
if (have_lock)
remote_spin_unlock_irqrestore(smem_spinlock, flags);
/* End test */
mock_cb_data_reset(&cb_in);
SMP2P_SET_RMT_CMD(test_request, SMP2P_LB_CMD_RSPIN_END);
SMP2P_SET_RMT_DATA(test_request, lock_count |
(spinlock_owner << RS_END_THIEF_PID_BIT));
(void)msm_smp2p_out_write(handle, test_request);
failed_tmp = failed;
failed = false;
do {
UT_ASSERT_INT(
(int)wait_for_completion_timeout(
&cb_in.cb_completion, HZ * 2),
>, 0);
reinit_completion(&cb_in.cb_completion);
ret = msm_smp2p_in_read(remote_pid,
SMP2P_RLPB_ENTRY_NAME, &test_response);
UT_ASSERT_INT(ret, ==, 0);
} while (!failed &&
SMP2P_GET_RMT_CMD(test_response) !=
SMP2P_LB_CMD_RSPIN_END);
if (failed)
break;
failed = failed_tmp;
test_response = SMP2P_GET_RMT_DATA(test_response);
seq_puts(s, "\tLocked spinlock ");
seq_printf(s, "local %u times; remote %u times",
lock_count,
test_response & ((1 << RS_END_THIEF_PID_BIT) - 1)
);
if (test_response & RS_END_THIEF_MASK) {
seq_puts(s, "Remote side reporting lock stolen by ");
seq_printf(s, "pid %d.\n",
SMP2P_GET_BITS(test_response,
RS_END_THIEF_MASK,
RS_END_THIEF_PID_BIT));
failed = 1;
}
seq_puts(s, "\n");
/* Cleanup */
ret = msm_smp2p_out_close(&handle);
UT_ASSERT_INT(ret, ==, 0);
UT_ASSERT_PTR(handle, ==, NULL);
ret = msm_smp2p_in_unregister(remote_pid,
SMP2P_RLPB_ENTRY_NAME, &cb_in.nb);
UT_ASSERT_INT(ret, ==, 0);
if (!failed && !timeout)
seq_puts(s, "\tOK\n");
} while (0);
if (failed) {
if (handle) {
/* send end command */
test_request = 0;
SMP2P_SET_RMT_CMD(test_request, SMP2P_LB_CMD_RSPIN_END);
SMP2P_SET_RMT_DATA(test_request, lock_count);
(void)msm_smp2p_out_write(handle, test_request);
(void)msm_smp2p_out_close(&handle);
}
(void)msm_smp2p_in_unregister(remote_pid,
SMP2P_RLPB_ENTRY_NAME, &cb_in.nb);
pr_err("%s: Failed\n", __func__);
seq_puts(s, "\tFailed\n");
}
}
/**
* smp2p_ut_remote_spinlock_pid - Verify remote spinlock for a processor.
*
* @s: Pointer to output file
* @pid: Processor to test
* @use_trylock: Use trylock to prevent an Apps deadlock if the
* remote spinlock fails.
*/
static void smp2p_ut_remote_spinlock_pid(struct seq_file *s, int pid,
bool use_trylock)
{
struct smp2p_interrupt_config *int_cfg;
int_cfg = smp2p_get_interrupt_config();
if (!int_cfg) {
seq_puts(s, "Remote processor config unavailable\n");
return;
}
if (pid >= SMP2P_NUM_PROCS || !int_cfg[pid].is_configured)
return;
msm_smp2p_deinit_rmt_lpb_proc(pid);
smp2p_ut_remote_spinlock_core(s, pid, use_trylock);
msm_smp2p_init_rmt_lpb_proc(pid);
}
/**
* smp2p_ut_remote_spinlock - Verify remote spinlock for all processors.
*
* @s: pointer to output file
*/
static void smp2p_ut_remote_spinlock(struct seq_file *s)
{
int pid;
for (pid = 0; pid < SMP2P_NUM_PROCS; ++pid)
smp2p_ut_remote_spinlock_pid(s, pid, false);
}
/**
* smp2p_ut_remote_spin_trylock - Verify remote trylock for all processors.
*
* @s: Pointer to output file
*/
static void smp2p_ut_remote_spin_trylock(struct seq_file *s)
{
int pid;
for (pid = 0; pid < SMP2P_NUM_PROCS; ++pid)
smp2p_ut_remote_spinlock_pid(s, pid, true);
}
/**
* smp2p_ut_remote_spinlock - Verify remote spinlock for all processors.
*
* @s: pointer to output file
*
* This test verifies inbound and outbound functionality for all
* configured remote processor.
*/
static void smp2p_ut_remote_spinlock_modem(struct seq_file *s)
{
smp2p_ut_remote_spinlock_pid(s, SMP2P_MODEM_PROC, false);
}
static void smp2p_ut_remote_spinlock_adsp(struct seq_file *s)
{
smp2p_ut_remote_spinlock_pid(s, SMP2P_AUDIO_PROC, false);
}
static void smp2p_ut_remote_spinlock_dsps(struct seq_file *s)
{
smp2p_ut_remote_spinlock_pid(s, SMP2P_SENSOR_PROC, false);
}
static void smp2p_ut_remote_spinlock_wcnss(struct seq_file *s)
{
smp2p_ut_remote_spinlock_pid(s, SMP2P_WIRELESS_PROC, false);
}
static void smp2p_ut_remote_spinlock_cdsp(struct seq_file *s)
{
smp2p_ut_remote_spinlock_pid(s, SMP2P_CDSP_PROC, false);
}
static void smp2p_ut_remote_spinlock_tz(struct seq_file *s)
{
smp2p_ut_remote_spinlock_pid(s, SMP2P_TZ_PROC, false);
}
/**
* smp2p_ut_remote_spinlock_rpm - Verify remote spinlock.
*
* @s: pointer to output file
* @remote_pid: Remote processor to test
*/
static void smp2p_ut_remote_spinlock_rpm(struct seq_file *s)
{
int failed = 0;
unsigned long flags;
unsigned n;
unsigned test_num;
struct rpm_spinlock_test *data_ptr;
remote_spinlock_t *smem_spinlock;
bool have_lock;
seq_printf(s, "Running %s for Apps<->RPM Test\n",
__func__);
do {
smem_spinlock = smem_get_remote_spinlock();
UT_ASSERT_PTR(smem_spinlock, !=, NULL);
data_ptr = smem_alloc(SMEM_ID_VENDOR0,
sizeof(struct rpm_spinlock_test), 0,
SMEM_ANY_HOST_FLAG);
UT_ASSERT_PTR(0, !=, data_ptr);
/* Send start */
writel_relaxed(0, &data_ptr->apps_lock_count);
writel_relaxed(RPM_CMD_START, &data_ptr->apps_cmd);
seq_puts(s, "\tWaiting for RPM to start test\n");
for (n = 0; n < 1000; ++n) {
if (readl_relaxed(&data_ptr->rpm_cmd) !=
RPM_CMD_INVALID)
break;
usleep_range(1000, 1200);
}
if (readl_relaxed(&data_ptr->rpm_cmd) == RPM_CMD_INVALID) {
/* timeout waiting for RPM */
writel_relaxed(RPM_CMD_INVALID, &data_ptr->apps_cmd);
UT_ASSERT_INT(RPM_CMD_LOCKED, !=, RPM_CMD_INVALID);
}
/* Run spinlock test */
flags = 0;
have_lock = false;
for (test_num = 0; !failed && test_num < 10000; ++test_num) {
/* acquire spinlock */
remote_spin_lock_irqsave(smem_spinlock, flags);
have_lock = true;
data_ptr->apps_lock_count++;
writel_relaxed(data_ptr->apps_lock_count,
&data_ptr->apps_lock_count);
writel_relaxed(RPM_CMD_LOCKED, &data_ptr->apps_cmd);
/*
* Ensure that the remote side sees our lock has
* been acquired before we start polling their status.
*/
wmb();
/* verify the other side doesn't say it has the lock */
for (n = 0; n < 1000; ++n) {
UT_ASSERT_HEX(RPM_CMD_UNLOCKED, ==,
readl_relaxed(&data_ptr->rpm_cmd));
}
if (failed)
break;
/* release spinlock */
have_lock = false;
writel_relaxed(RPM_CMD_UNLOCKED, &data_ptr->apps_cmd);
/*
* Ensure that our status-update write was committed
* before we unlock the spinlock.
*/
wmb();
remote_spin_unlock_irqrestore(smem_spinlock, flags);
}
if (have_lock)
remote_spin_unlock_irqrestore(smem_spinlock, flags);
/* End test */
writel_relaxed(RPM_CMD_INVALID, &data_ptr->apps_cmd);
seq_printf(s, "\tLocked spinlock local %u remote %u\n",
readl_relaxed(&data_ptr->apps_lock_count),
readl_relaxed(&data_ptr->rpm_lock_count));
if (!failed)
seq_puts(s, "\tOK\n");
} while (0);
if (failed) {
pr_err("%s: Failed\n", __func__);
seq_puts(s, "\tFailed\n");
}
}
struct rmt_spinlock_work_item {
struct work_struct work;
struct completion try_lock;
struct completion locked;
bool has_locked;
};
static void ut_remote_spinlock_ssr_worker(struct work_struct *work)
{
remote_spinlock_t *smem_spinlock;
unsigned long flags;
struct rmt_spinlock_work_item *work_item =
container_of(work, struct rmt_spinlock_work_item, work);
work_item->has_locked = false;
complete(&work_item->try_lock);
smem_spinlock = smem_get_remote_spinlock();
if (!smem_spinlock) {
pr_err("%s Failed\n", __func__);
return;
}
remote_spin_lock_irqsave(smem_spinlock, flags);
remote_spin_unlock_irqrestore(smem_spinlock, flags);
work_item->has_locked = true;
complete(&work_item->locked);
}
/**
* smp2p_ut_remote_spinlock_ssr - Verify remote spinlock.
*
* @s: pointer to output file
*/
static void smp2p_ut_remote_spinlock_ssr(struct seq_file *s)
{
int failed = 0;
unsigned long flags;
remote_spinlock_t *smem_spinlock;
int spinlock_owner = 0;
struct workqueue_struct *ws = NULL;
struct rmt_spinlock_work_item work_item = { .has_locked = false };
seq_printf(s, " Running %s Test\n",
__func__);
do {
smem_spinlock = smem_get_remote_spinlock();
UT_ASSERT_PTR(smem_spinlock, !=, NULL);
ws = create_singlethread_workqueue("ut_remote_spinlock_ssr");
UT_ASSERT_PTR(ws, !=, NULL);
INIT_WORK(&work_item.work, ut_remote_spinlock_ssr_worker);
init_completion(&work_item.try_lock);
init_completion(&work_item.locked);
remote_spin_lock_irqsave(smem_spinlock, flags);
/* Unlock local spin lock and hold HW spinlock */
spin_unlock_irqrestore(&((smem_spinlock)->local), flags);
queue_work(ws, &work_item.work);
UT_ASSERT_INT(
(int)wait_for_completion_timeout(
&work_item.try_lock, HZ * 2), >, 0);
UT_ASSERT_INT((int)work_item.has_locked, ==, 0);
spinlock_owner = remote_spin_owner(smem_spinlock);
UT_ASSERT_INT(spinlock_owner, ==, SMEM_APPS);
remote_spin_release_all(SMEM_APPS);
UT_ASSERT_INT(
(int)wait_for_completion_timeout(
&work_item.locked, HZ * 2), >, 0);
if (!failed)
seq_puts(s, "\tOK\n");
} while (0);
if (failed) {
pr_err("%s: Failed\n", __func__);
seq_puts(s, "\tFailed\n");
}
}
/**
* smp2p_ut_remote_spinlock_track_core - Verify remote spinlock.
*
* @s: Pointer to output file
* @remote_pid: Remote processor to test
*
* This test has the remote subsystem grab the lock, and then has the local
* subsystem attempt to grab the lock using the trylock() API. It then verifies
* that the ID in the hw_spinlocks array matches the owner of the lock.
*/
static void smp2p_ut_remote_spinlock_track_core(struct seq_file *s,
int remote_pid)
{
int failed = 0;
struct msm_smp2p_out *handle = NULL;
int ret;
uint32_t test_request;
uint32_t test_response;
struct mock_cb_data cb_out;
struct mock_cb_data cb_in;
unsigned long flags;
int stored_value;
remote_spinlock_t *smem_spinlock;
seq_printf(s, "Running %s for '%s' remote pid %d\n",
__func__, smp2p_pid_to_name(remote_pid), remote_pid);
cb_out.initialized = false;
cb_in.initialized = false;
mock_cb_data_init(&cb_out);
mock_cb_data_init(&cb_in);
do {
smem_spinlock = smem_get_remote_spinlock();
UT_ASSERT_PTR(smem_spinlock, !=, NULL);
/* Open output entry */
ret = msm_smp2p_out_open(remote_pid, SMP2P_RLPB_ENTRY_NAME,
&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_RLPB_ENTRY_NAME,
&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);
/* Send start */
mock_cb_data_reset(&cb_in);
mock_cb_data_reset(&cb_out);
test_request = 0x0;
SMP2P_SET_RMT_CMD_TYPE_REQ(test_request);
SMP2P_SET_RMT_CMD(test_request, SMP2P_LB_CMD_RSPIN_START);
SMP2P_SET_RMT_DATA(test_request, 0x0);
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, ==, 1);
UT_ASSERT_INT(cb_in.event_entry_update, ==, 1);
ret = msm_smp2p_in_read(remote_pid, SMP2P_RLPB_ENTRY_NAME,
&test_response);
UT_ASSERT_INT(ret, ==, 0);
test_response = SMP2P_GET_RMT_CMD(test_response);
if (test_response != SMP2P_LB_CMD_RSPIN_LOCKED &&
test_response != SMP2P_LB_CMD_RSPIN_UNLOCKED) {
/* invalid response from remote - abort test */
test_request = 0x0;
SMP2P_SET_RMT_CMD_TYPE(test_request, 1);
SMP2P_SET_RMT_CMD(test_request, SMP2P_LB_CMD_RSPIN_END);
SMP2P_SET_RMT_DATA(test_request, 0x0);
ret = msm_smp2p_out_write(handle, test_request);
UT_ASSERT_HEX(SMP2P_LB_CMD_RSPIN_LOCKED, ==,
test_response);
}
/* Run spinlock test */
flags = 0;
test_request = 0x0;
SMP2P_SET_RMT_CMD_TYPE_REQ(test_request);
/* try to acquire spinlock */
remote_spin_trylock_irqsave(smem_spinlock, flags);
/*
* Need to check against the locking token (PID + 1)
* because the remote_spin_owner() API only returns the
* PID.
*/
stored_value = remote_spin_get_hw_spinlocks_element(
smem_spinlock);
UT_ASSERT_INT(stored_value, ==,
remote_spin_owner(smem_spinlock) + 1);
UT_ASSERT_INT(stored_value, ==, remote_pid + 1);
/* End test */
test_request = 0x0;
SMP2P_SET_RMT_CMD(test_request, SMP2P_LB_CMD_RSPIN_END);
SMP2P_SET_RMT_DATA(test_request, 0x0);
(void)msm_smp2p_out_write(handle, test_request);
/* Cleanup */
ret = msm_smp2p_out_close(&handle);
UT_ASSERT_INT(ret, ==, 0);
UT_ASSERT_PTR(handle, ==, NULL);
ret = msm_smp2p_in_unregister(remote_pid,
SMP2P_RLPB_ENTRY_NAME, &cb_in.nb);
UT_ASSERT_INT(ret, ==, 0);
if (!failed)
seq_puts(s, "\tOK\n");
} while (0);
if (failed) {
if (handle) {
/* send end command */
test_request = 0x0;
SMP2P_SET_RMT_CMD(test_request, SMP2P_LB_CMD_RSPIN_END);
SMP2P_SET_RMT_DATA(test_request, 0x0);
(void)msm_smp2p_out_write(handle, test_request);
(void)msm_smp2p_out_close(&handle);
}
(void)msm_smp2p_in_unregister(remote_pid,
SMP2P_RLPB_ENTRY_NAME, &cb_in.nb);
pr_err("%s: Failed\n", __func__);
seq_puts(s, "\tFailed\n");
}
}
/**
* smp2p_ut_remote_spinlock_track - Verify PID tracking for modem.
*
* @s: Pointer to output file
* @pid: The processor to test
*/
static void smp2p_ut_remote_spinlock_track(struct seq_file *s, int pid)
{
struct smp2p_interrupt_config *int_cfg;
int_cfg = smp2p_get_interrupt_config();
if (!int_cfg) {
seq_puts(s, "Remote processor config unavailable\n");
return;
}
if (pid >= SMP2P_NUM_PROCS || !int_cfg[pid].is_configured)
return;
msm_smp2p_deinit_rmt_lpb_proc(pid);
smp2p_ut_remote_spinlock_track_core(s, pid);
msm_smp2p_init_rmt_lpb_proc(pid);
}
/**
* smp2p_ut_remote_spinlock_track - Verify PID tracking for all processors.
*
* @s: Pointer to output file
*
* This test verifies PID tracking for all configured remote processors.
*/
static void smp2p_ut_remote_spinlock_track_modem(struct seq_file *s)
{
smp2p_ut_remote_spinlock_track(s, SMP2P_MODEM_PROC);
}
static void smp2p_ut_remote_spinlock_track_adsp(struct seq_file *s)
{
smp2p_ut_remote_spinlock_track(s, SMP2P_AUDIO_PROC);
}
static void smp2p_ut_remote_spinlock_track_dsps(struct seq_file *s)
{
smp2p_ut_remote_spinlock_track(s, SMP2P_SENSOR_PROC);
}
static void smp2p_ut_remote_spinlock_track_wcnss(struct seq_file *s)
{
smp2p_ut_remote_spinlock_track(s, SMP2P_WIRELESS_PROC);
}
static void smp2p_ut_remote_spinlock_track_cdsp(struct seq_file *s)
{
smp2p_ut_remote_spinlock_track(s, SMP2P_CDSP_PROC);
}
static void smp2p_ut_remote_spinlock_track_tz(struct seq_file *s)
{
smp2p_ut_remote_spinlock_track(s, SMP2P_TZ_PROC);
}
static int __init smp2p_debugfs_init(void)
{
/*
* 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_remote_spinlock",
smp2p_ut_remote_spinlock);
smp2p_debug_create("ut_remote_spin_trylock",
smp2p_ut_remote_spin_trylock);
smp2p_debug_create("ut_remote_spinlock_modem",
smp2p_ut_remote_spinlock_modem);
smp2p_debug_create("ut_remote_spinlock_adsp",
smp2p_ut_remote_spinlock_adsp);
smp2p_debug_create("ut_remote_spinlock_dsps",
smp2p_ut_remote_spinlock_dsps);
smp2p_debug_create("ut_remote_spinlock_wcnss",
smp2p_ut_remote_spinlock_wcnss);
smp2p_debug_create("ut_remote_spinlock_cdsp",
smp2p_ut_remote_spinlock_cdsp);
smp2p_debug_create("ut_remote_spinlock_tz",
smp2p_ut_remote_spinlock_tz);
smp2p_debug_create("ut_remote_spinlock_rpm",
smp2p_ut_remote_spinlock_rpm);
smp2p_debug_create_u32("ut_remote_spinlock_time",
&ut_remote_spinlock_run_time);
smp2p_debug_create("ut_remote_spinlock_ssr",
&smp2p_ut_remote_spinlock_ssr);
smp2p_debug_create("ut_remote_spinlock_track_modem",
&smp2p_ut_remote_spinlock_track_modem);
smp2p_debug_create("ut_remote_spinlock_track_adsp",
&smp2p_ut_remote_spinlock_track_adsp);
smp2p_debug_create("ut_remote_spinlock_track_dsps",
&smp2p_ut_remote_spinlock_track_dsps);
smp2p_debug_create("ut_remote_spinlock_track_wcnss",
&smp2p_ut_remote_spinlock_track_wcnss);
smp2p_debug_create("ut_remote_spinlock_track_cdsp",
&smp2p_ut_remote_spinlock_track_cdsp);
smp2p_debug_create("ut_remote_spinlock_track_tz",
&smp2p_ut_remote_spinlock_track_tz);
return 0;
}
module_init(smp2p_debugfs_init);

1327
drivers/soc/qcom/smp2p_test.c
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214
drivers/soc/qcom/smp2p_test_common.h
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@ -1,214 +0,0 @@
/* drivers/soc/qcom/smp2p_test_common.h
*
* Copyright (c) 2013-2014,2016 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.
*/
#ifndef _SMP2P_TEST_COMMON_H_
#define _SMP2P_TEST_COMMON_H_
#include <linux/debugfs.h>
/**
* Unit test assertion for logging test cases.
*
* @a lval
* @b rval
* @cmp comparison operator
*
* Assertion fails if (@a cmp @b) is not true which then
* logs the function and line number where the error occurred
* along with the values of @a and @b.
*
* Assumes that the following local variables exist:
* @s - sequential output file pointer
* @failed - set to true if test fails
*/
#define UT_ASSERT_INT(a, cmp, b) \
{ \
int a_tmp = (a); \
int b_tmp = (b); \
if (!((a_tmp)cmp(b_tmp))) { \
seq_printf(s, "%s:%d Fail: " #a "(%d) " #cmp " " #b "(%d)\n", \
__func__, __LINE__, \
a_tmp, b_tmp); \
failed = 1; \
break; \
} \
}
#define UT_ASSERT_PTR(a, cmp, b) \
{ \
void *a_tmp = (a); \
void *b_tmp = (b); \
if (!((a_tmp)cmp(b_tmp))) { \
seq_printf(s, "%s:%d Fail: " #a "(%pK) " #cmp \
" " #b "(%pK)\n", \
__func__, __LINE__, \
a_tmp, b_tmp); \
failed = 1; \
break; \
} \
}
#define UT_ASSERT_UINT(a, cmp, b) \
{ \
unsigned a_tmp = (a); \
unsigned b_tmp = (b); \
if (!((a_tmp)cmp(b_tmp))) { \
seq_printf(s, "%s:%d Fail: " #a "(%u) " #cmp " " #b "(%u)\n", \
__func__, __LINE__, \
a_tmp, b_tmp); \
failed = 1; \
break; \
} \
}
#define UT_ASSERT_HEX(a, cmp, b) \
{ \
unsigned a_tmp = (a); \
unsigned b_tmp = (b); \
if (!((a_tmp)cmp(b_tmp))) { \
seq_printf(s, "%s:%d Fail: " #a "(%x) " #cmp " " #b "(%x)\n", \
__func__, __LINE__, \
a_tmp, b_tmp); \
failed = 1; \
break; \
} \
}
/**
* In-range unit test assertion for test cases.
*
* @a lval
* @minv Minimum value
* @maxv Maximum value
*
* Assertion fails if @a is not on the exclusive range minv, maxv
* ((@a < @minv) or (@a > @maxv)). In the failure case, the macro
* logs the function and line number where the error occurred along
* with the values of @a and @minv, @maxv.
*
* Assumes that the following local variables exist:
* @s - sequential output file pointer
* @failed - set to true if test fails
*/
#define UT_ASSERT_INT_IN_RANGE(a, minv, maxv) \
{ \
int a_tmp = (a); \
int minv_tmp = (minv); \
int maxv_tmp = (maxv); \
if (((a_tmp) < (minv_tmp)) || ((a_tmp) > (maxv_tmp))) { \
seq_printf(s, "%s:%d Fail: " #a "(%d) < " #minv "(%d) or " \
#a "(%d) > " #maxv "(%d)\n", \
__func__, __LINE__, \
a_tmp, minv_tmp, a_tmp, maxv_tmp); \
failed = 1; \
break; \
} \
}
/* Structure to track state changes for the notifier callback. */
struct mock_cb_data {
bool initialized;
spinlock_t lock;
struct notifier_block nb;
/* events */
struct completion cb_completion;
int cb_count;
int event_open;
int event_entry_update;
struct msm_smp2p_update_notif entry_data;
};
void smp2p_debug_create(const char *name, void (*show)(struct seq_file *));
void smp2p_debug_create_u32(const char *name, uint32_t *value);
static inline int smp2p_test_notify(struct notifier_block *self,
unsigned long event, void *data);
/**
* Reset mock callback data to default values.
*
* @cb: Mock callback data
*/
static inline void mock_cb_data_reset(struct mock_cb_data *cb)
{
reinit_completion(&cb->cb_completion);
cb->cb_count = 0;
cb->event_open = 0;
cb->event_entry_update = 0;
memset(&cb->entry_data, 0,
sizeof(struct msm_smp2p_update_notif));
}
/**
* Initialize mock callback data.
*
* @cb: Mock callback data
*/
static inline void mock_cb_data_init(struct mock_cb_data *cb)
{
if (!cb->initialized) {
init_completion(&cb->cb_completion);
spin_lock_init(&cb->lock);
cb->initialized = true;
cb->nb.notifier_call = smp2p_test_notify;
memset(&cb->entry_data, 0,
sizeof(struct msm_smp2p_update_notif));
}
mock_cb_data_reset(cb);
}
/**
* Notifier function passed into SMP2P for testing.
*
* @self: Pointer to calling notifier block
* @event: Event
* @data: Event-specific data
* @returns: 0
*/
static inline int smp2p_test_notify(struct notifier_block *self,
unsigned long event, void *data)
{
struct mock_cb_data *cb_data_ptr;
unsigned long flags;
cb_data_ptr = container_of(self, struct mock_cb_data, nb);
spin_lock_irqsave(&cb_data_ptr->lock, flags);
switch (event) {
case SMP2P_OPEN:
++cb_data_ptr->event_open;
if (data) {
cb_data_ptr->entry_data =
*(struct msm_smp2p_update_notif *)(data);
}
break;
case SMP2P_ENTRY_UPDATE:
++cb_data_ptr->event_entry_update;
if (data) {
cb_data_ptr->entry_data =
*(struct msm_smp2p_update_notif *)(data);
}
break;
default:
pr_err("%s Unknown event\n", __func__);
break;
}
++cb_data_ptr->cb_count;
complete(&cb_data_ptr->cb_completion);
spin_unlock_irqrestore(&cb_data_ptr->lock, flags);
return 0;
}
#endif /* _SMP2P_TEST_COMMON_H_ */