2 * Userspace PCI Endpoint Test Module
4 * Copyright (C) 2017 Texas Instruments
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 of
9 * the License as published by the Free Software Foundation.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
25 #include <sys/ioctl.h>
29 #include <linux/pcitest.h>
33 static char *result[] = { "NOT OKAY", "OKAY" };
46 static int run_test(struct pci_test *test)
50 struct timespec start, end;
53 fd = open(test->device, O_RDWR);
55 perror("can't open PCI Endpoint Test device");
59 if (test->barnum >= 0 && test->barnum <= 5) {
60 ret = ioctl(fd, PCITEST_BAR, test->barnum);
61 fprintf(stdout, "BAR%d:\t\t", test->barnum);
63 fprintf(stdout, "TEST FAILED\n");
65 fprintf(stdout, "%s\n", result[ret]);
68 if (test->legacyirq) {
69 ret = ioctl(fd, PCITEST_LEGACY_IRQ, 0);
70 fprintf(stdout, "LEGACY IRQ:\t");
72 fprintf(stdout, "TEST FAILED\n");
74 fprintf(stdout, "%s\n", result[ret]);
77 if (test->msinum > 0 && test->msinum <= 32) {
78 ret = ioctl(fd, PCITEST_MSI, test->msinum);
79 fprintf(stdout, "MSI%d:\t\t", test->msinum);
81 fprintf(stdout, "TEST FAILED\n");
83 fprintf(stdout, "%s\n", result[ret]);
87 ret = ioctl(fd, PCITEST_WRITE, test->size);
88 fprintf(stdout, "WRITE (%7ld bytes):\t\t", test->size);
90 fprintf(stdout, "TEST FAILED\n");
92 fprintf(stdout, "%s\n", result[ret]);
96 ret = ioctl(fd, PCITEST_READ, test->size);
97 fprintf(stdout, "READ (%7ld bytes):\t\t", test->size);
99 fprintf(stdout, "TEST FAILED\n");
101 fprintf(stdout, "%s\n", result[ret]);
105 ret = ioctl(fd, PCITEST_COPY, test->size);
106 fprintf(stdout, "COPY (%7ld bytes):\t\t", test->size);
108 fprintf(stdout, "TEST FAILED\n");
110 fprintf(stdout, "%s\n", result[ret]);
116 int main(int argc, char **argv)
119 struct pci_test *test;
121 test = calloc(1, sizeof(*test));
123 perror("Fail to allocate memory for pci_test\n");
127 /* since '0' is a valid BAR number, initialize it to -1 */
130 /* set default size as 100KB */
131 test->size = 0x19000;
133 /* set default endpoint device */
134 test->device = "/dev/pci-endpoint-test.0";
136 while ((c = getopt(argc, argv, "D:b:m:lrwcs:")) != EOF)
139 test->device = optarg;
142 test->barnum = atoi(optarg);
143 if (test->barnum < 0 || test->barnum > 5)
147 test->legacyirq = true;
150 test->msinum = atoi(optarg);
151 if (test->msinum < 1 || test->msinum > 32)
164 test->size = strtoul(optarg, NULL, 0);
171 "usage: %s [options]\n"
173 "\t-D <dev> PCI endpoint test device {default: /dev/pci-endpoint-test.0}\n"
174 "\t-b <bar num> BAR test (bar number between 0..5)\n"
175 "\t-m <msi num> MSI test (msi number between 1..32)\n"
176 "\t-l Legacy IRQ test\n"
177 "\t-r Read buffer test\n"
178 "\t-w Write buffer test\n"
179 "\t-c Copy buffer test\n"
180 "\t-s <size> Size of buffer {default: 100KB}\n",