1 /*-
8  * 1. Redistributions of source code must retain the above copyright
50 	printf("Usage: %s [-c period] [-EefmVxXz] channel-number num-txns [<bufsize> "  in usage()
51 	    "[<chain-len> [duration]]]\n", getprogname());  in usage()
52 	printf("       %s -r [-c period] [-vVwz] channel-number address [<bufsize>]\n\n",  in usage()
54 	printf("           -c period - Enable interrupt coalescing (us) (default: 0)\n");  in usage()
55 	printf("           -E        - Test contiguous 8k copy.\n");  in usage()
56 	printf("           -e        - Test non-contiguous 8k copy.\n");  in usage()
57 	printf("           -f        - Test block fill.\n");  in usage()
58 	printf("           -m        - Test memcpy instead of DMA.\n");  in usage()
59 	printf("           -r        - Issue DMA to or from a specific address.\n");  in usage()
60 	printf("           -V        - Enable verification\n");  in usage()
61 	printf("           -v        - <address> is a kernel virtual address\n");  in usage()
62 	printf("           -w        - Write to the specified address\n");  in usage()
63 	printf("           -x        - Test DMA CRC.\n");  in usage()
64 	printf("           -X        - Test DMA CRC copy.\n");  in usage()
65 	printf("           -z        - Zero device stats before test\n");  in usage()
75 	t->testkind = IOAT_TEST_RAW_DMA;  in main_raw()
76 	t->transactions = 1;  in main_raw()
77 	t->chain_depth = 1;  in main_raw()
78 	t->buffer_size = 4 * 1024;  in main_raw()
80 	t->raw_target = strtoull(argv[1], NULL, 0);  in main_raw()
81 	if (t->raw_target == 0) {  in main_raw()
87 		t->buffer_size = atoi(argv[2]);  in main_raw()
88 		if (t->buffer_size == 0) {  in main_raw()
119 	while ((ch = getopt(argc, argv, "c:EefmrvVwxXz")) != -1) {  in main()
168 	argc -= optind;  in main()
174 	if (modeflags > 1) {  in main()
175 		printf("Invalid: Cannot use >1 mode flag (-E, -e, -f, -m, -r, -x or -X)\n");  in main()
208 	t.transactions = atoi(argv[1]);  in main()
220 		if (t.chain_depth < 1) {  in main()
228 		if (t.duration < 1) {  in main()
249 	char bps[10], bytesh[10];  in prettyprint()  local
252 	if (t->status[IOAT_TEST_NO_DMA_ENGINE] != 0 ||  in prettyprint()
253 	    t->status[IOAT_TEST_NO_MEMORY] != 0 ||  in prettyprint()
254 	    t->status[IOAT_TEST_MISCOMPARE] != 0) {  in prettyprint()
256 		if (t->status[IOAT_TEST_NO_DMA_ENGINE] != 0)  in prettyprint()
258 			    (unsigned)t->status[IOAT_TEST_NO_DMA_ENGINE]);  in prettyprint()
259 		if (t->status[IOAT_TEST_NO_MEMORY] != 0)  in prettyprint()
261 			    (unsigned)t->status[IOAT_TEST_NO_MEMORY]);  in prettyprint()
262 		if (t->status[IOAT_TEST_MISCOMPARE] != 0)  in prettyprint()
264 			    (unsigned)t->status[IOAT_TEST_MISCOMPARE]);  in prettyprint()
267 	printf("Processed %u txns\n", (unsigned)t->status[IOAT_TEST_OK] /  in prettyprint()
268 	    t->chain_depth);  in prettyprint()
269 	bytes = (uintmax_t)t->buffer_size * t->status[IOAT_TEST_OK];  in prettyprint()
273 	if (t->duration) {  in prettyprint()
274 		humanize_number(bps, sizeof(bps),  in prettyprint()
275 		    (int64_t)1000 * bytes / t->duration, "B/s", HN_AUTOSCALE,  in prettyprint()
278 		    (unsigned)t->duration, bps);  in prettyprint()