131 lines
3.3 KiB
C
131 lines
3.3 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* CrOS Kunit tests utilities.
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*/
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#include <kunit/test.h>
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#include <linux/list.h>
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#include <linux/minmax.h>
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#include <linux/platform_data/cros_ec_commands.h>
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#include <linux/platform_data/cros_ec_proto.h>
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#include "cros_ec.h"
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#include "cros_kunit_util.h"
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int cros_kunit_ec_xfer_mock_default_result;
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int cros_kunit_ec_xfer_mock_default_ret;
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int cros_kunit_ec_cmd_xfer_mock_called;
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int cros_kunit_ec_pkt_xfer_mock_called;
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static struct list_head cros_kunit_ec_xfer_mock_in;
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static struct list_head cros_kunit_ec_xfer_mock_out;
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int cros_kunit_ec_xfer_mock(struct cros_ec_device *ec_dev, struct cros_ec_command *msg)
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{
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struct ec_xfer_mock *mock;
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mock = list_first_entry_or_null(&cros_kunit_ec_xfer_mock_in, struct ec_xfer_mock, list);
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if (!mock) {
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msg->result = cros_kunit_ec_xfer_mock_default_result;
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return cros_kunit_ec_xfer_mock_default_ret;
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}
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list_del(&mock->list);
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memcpy(&mock->msg, msg, sizeof(*msg));
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if (msg->outsize) {
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mock->i_data = kunit_kzalloc(mock->test, msg->outsize, GFP_KERNEL);
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if (mock->i_data)
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memcpy(mock->i_data, msg->data, msg->outsize);
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}
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msg->result = mock->result;
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if (msg->insize)
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memcpy(msg->data, mock->o_data, min(msg->insize, mock->o_data_len));
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list_add_tail(&mock->list, &cros_kunit_ec_xfer_mock_out);
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return mock->ret;
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}
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int cros_kunit_ec_cmd_xfer_mock(struct cros_ec_device *ec_dev, struct cros_ec_command *msg)
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{
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++cros_kunit_ec_cmd_xfer_mock_called;
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return cros_kunit_ec_xfer_mock(ec_dev, msg);
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}
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int cros_kunit_ec_pkt_xfer_mock(struct cros_ec_device *ec_dev, struct cros_ec_command *msg)
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{
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++cros_kunit_ec_pkt_xfer_mock_called;
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return cros_kunit_ec_xfer_mock(ec_dev, msg);
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}
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struct ec_xfer_mock *cros_kunit_ec_xfer_mock_add(struct kunit *test, size_t size)
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{
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return cros_kunit_ec_xfer_mock_addx(test, size, EC_RES_SUCCESS, size);
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}
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struct ec_xfer_mock *cros_kunit_ec_xfer_mock_addx(struct kunit *test,
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int ret, int result, size_t size)
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{
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struct ec_xfer_mock *mock;
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mock = kunit_kzalloc(test, sizeof(*mock), GFP_KERNEL);
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if (!mock)
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return NULL;
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list_add_tail(&mock->list, &cros_kunit_ec_xfer_mock_in);
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mock->test = test;
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mock->ret = ret;
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mock->result = result;
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mock->o_data = kunit_kzalloc(test, size, GFP_KERNEL);
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if (!mock->o_data)
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return NULL;
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mock->o_data_len = size;
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return mock;
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}
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struct ec_xfer_mock *cros_kunit_ec_xfer_mock_next(void)
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{
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struct ec_xfer_mock *mock;
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mock = list_first_entry_or_null(&cros_kunit_ec_xfer_mock_out, struct ec_xfer_mock, list);
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if (mock)
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list_del(&mock->list);
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return mock;
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}
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int cros_kunit_readmem_mock_offset;
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u8 *cros_kunit_readmem_mock_data;
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int cros_kunit_readmem_mock_ret;
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int cros_kunit_readmem_mock(struct cros_ec_device *ec_dev, unsigned int offset,
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unsigned int bytes, void *dest)
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{
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cros_kunit_readmem_mock_offset = offset;
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memcpy(dest, cros_kunit_readmem_mock_data, bytes);
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return cros_kunit_readmem_mock_ret;
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}
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void cros_kunit_mock_reset(void)
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{
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cros_kunit_ec_xfer_mock_default_result = 0;
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cros_kunit_ec_xfer_mock_default_ret = 0;
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cros_kunit_ec_cmd_xfer_mock_called = 0;
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cros_kunit_ec_pkt_xfer_mock_called = 0;
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INIT_LIST_HEAD(&cros_kunit_ec_xfer_mock_in);
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INIT_LIST_HEAD(&cros_kunit_ec_xfer_mock_out);
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cros_kunit_readmem_mock_offset = 0;
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cros_kunit_readmem_mock_data = NULL;
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cros_kunit_readmem_mock_ret = 0;
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}
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MODULE_LICENSE("GPL");
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