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/* 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_ */
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