1 /*- 2 * Copyright (C) 2012 Intel Corporation 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27 __FBSDID("$FreeBSD$"); 28 29 #ifndef __IOAT_TEST_H__ 30 #define __IOAT_TEST_H__ 31 32 enum ioat_res { 33 IOAT_TEST_OK = 0, 34 IOAT_TEST_NO_DMA_ENGINE, 35 IOAT_TEST_NO_MEMORY, 36 IOAT_TEST_MISCOMPARE, 37 IOAT_NUM_RES 38 }; 39 40 struct test_transaction; 41 42 struct ioat_test { 43 volatile uint32_t status[IOAT_NUM_RES]; 44 uint32_t channel_index; 45 46 /* HW max of 1MB */ 47 uint32_t buffer_size; 48 uint32_t chain_depth; 49 uint32_t transactions; 50 51 /* 52 * If non-zero, duration is time in ms; 53 * If zero, bounded by 'transactions' above. 54 */ 55 uint32_t duration; 56 57 /* If true, check for miscompares after a copy. */ 58 bool verify; 59 60 /* Internal usage -- not test inputs */ 61 TAILQ_HEAD(, test_transaction) free_q; 62 TAILQ_HEAD(, test_transaction) pend_q; 63 volatile bool too_late; 64 }; 65 66 #define IOAT_DMATEST _IOWR('i', 0, struct ioat_test) 67 68 #endif /* __IOAT_TEST_H__ */ 69