48 				size_t size)  in single_bit_error_data()  argument
50 	unsigned int offset = prandom_u32_max(size * BITS_PER_BYTE);  in single_bit_error_data()
52 	memcpy(error_data, correct_data, size);  in single_bit_error_data()
57 				size_t size)  in double_bit_error_data()  argument
61 	offset[0] = prandom_u32_max(size * BITS_PER_BYTE);  in double_bit_error_data()
63 		offset[1] = prandom_u32_max(size * BITS_PER_BYTE);  in double_bit_error_data()
66 	memcpy(error_data, correct_data, size);  in double_bit_error_data()
72 static unsigned int random_ecc_bit(size_t size)  in random_ecc_bit()  argument
76 	if (size == 256) {  in random_ecc_bit()
89 				size_t size)  in single_bit_error_ecc()  argument
91 	unsigned int offset = random_ecc_bit(size);  in single_bit_error_ecc()
98 				size_t size)  in double_bit_error_ecc()  argument
102 	offset[0] = random_ecc_bit(size);  in double_bit_error_ecc()
104 		offset[1] = random_ecc_bit(size);  in double_bit_error_ecc()
113 		void *correct_data, void *correct_ecc, const size_t size)  in no_bit_error()  argument
115 	memcpy(error_data, correct_data, size);  in no_bit_error()
120 				void *correct_data, const size_t size)  in no_bit_error_verify()  argument
126 	ecc_sw_hamming_calculate(error_data, size, calc_ecc, sm_order);  in no_bit_error_verify()
127 	ret = ecc_sw_hamming_correct(error_data, error_ecc, calc_ecc, size,  in no_bit_error_verify()
129 	if (ret == 0 && !memcmp(correct_data, error_data, size))  in no_bit_error_verify()
136 		void *correct_data, void *correct_ecc, const size_t size)  in single_bit_error_in_data()  argument
138 	single_bit_error_data(error_data, correct_data, size);  in single_bit_error_in_data()
143 		void *correct_data, void *correct_ecc, const size_t size)  in single_bit_error_in_ecc()  argument
145 	memcpy(error_data, correct_data, size);  in single_bit_error_in_ecc()
146 	single_bit_error_ecc(error_ecc, correct_ecc, size);  in single_bit_error_in_ecc()
150 				void *correct_data, const size_t size)  in single_bit_error_correct()  argument
156 	ecc_sw_hamming_calculate(error_data, size, calc_ecc, sm_order);  in single_bit_error_correct()
157 	ret = ecc_sw_hamming_correct(error_data, error_ecc, calc_ecc, size,  in single_bit_error_correct()
159 	if (ret == 1 && !memcmp(correct_data, error_data, size))  in single_bit_error_correct()
166 		void *correct_data, void *correct_ecc, const size_t size)  in double_bit_error_in_data()  argument
168 	double_bit_error_data(error_data, correct_data, size);  in double_bit_error_in_data()
173 		void *correct_data, void *correct_ecc, const size_t size)  in single_bit_error_in_data_and_ecc()  argument
175 	single_bit_error_data(error_data, correct_data, size);  in single_bit_error_in_data_and_ecc()
176 	single_bit_error_ecc(error_ecc, correct_ecc, size);  in single_bit_error_in_data_and_ecc()
180 		void *correct_data, void *correct_ecc, const size_t size)  in double_bit_error_in_ecc()  argument
182 	memcpy(error_data, correct_data, size);  in double_bit_error_in_ecc()
183 	double_bit_error_ecc(error_ecc, correct_ecc, size);  in double_bit_error_in_ecc()
187 				void *correct_data, const size_t size)  in double_bit_error_detect()  argument
193 	ecc_sw_hamming_calculate(error_data, size, calc_ecc, sm_order);  in double_bit_error_detect()
194 	ret = ecc_sw_hamming_correct(error_data, error_ecc, calc_ecc, size,  in double_bit_error_detect()
234 			void *correct_ecc, const size_t size)  in dump_data_ecc()  argument
238 			error_data, size, false);  in dump_data_ecc()
244 			correct_data, size, false);  in dump_data_ecc()
249 static int nand_ecc_test_run(const size_t size)  in nand_ecc_test_run()  argument
259 	error_data = kmalloc(size, GFP_KERNEL);  in nand_ecc_test_run()
261 	correct_data = kmalloc(size, GFP_KERNEL);  in nand_ecc_test_run()
269 	get_random_bytes(correct_data, size);  in nand_ecc_test_run()
270 	ecc_sw_hamming_calculate(correct_data, size, correct_ecc, sm_order);  in nand_ecc_test_run()
273 				correct_data, correct_ecc, size);  in nand_ecc_test_run()
275 						correct_data, size);  in nand_ecc_test_run()
279 				nand_ecc_test[i].name, size);  in nand_ecc_test_run()
281 				correct_data, correct_ecc, size);  in nand_ecc_test_run()
285 			nand_ecc_test[i].name, size);  in nand_ecc_test_run()
302 static int nand_ecc_test_run(const size_t size)  in nand_ecc_test_run()  argument