2 * Userspace PCI Endpoint Test Module
4 * Copyright (C) 2017 Texas Instruments
5 * Author: Kishon Vijay Abraham I <kishon@ti.com>
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" };
34 static char *irq[] = { "LEGACY", "MSI", "MSI-X" };
51 static int run_test(struct pci_test *test)
55 struct timespec start, end;
58 fd = open(test->device, O_RDWR);
60 perror("can't open PCI Endpoint Test device");
64 if (test->barnum >= 0 && test->barnum <= 5) {
65 ret = ioctl(fd, PCITEST_BAR, test->barnum);
66 fprintf(stdout, "BAR%d:\t\t", test->barnum);
68 fprintf(stdout, "TEST FAILED\n");
70 fprintf(stdout, "%s\n", result[ret]);
73 if (test->set_irqtype) {
74 ret = ioctl(fd, PCITEST_SET_IRQTYPE, test->irqtype);
75 fprintf(stdout, "SET IRQ TYPE TO %s:\t\t", irq[test->irqtype]);
77 fprintf(stdout, "FAILED\n");
79 fprintf(stdout, "%s\n", result[ret]);
82 if (test->get_irqtype) {
83 ret = ioctl(fd, PCITEST_GET_IRQTYPE);
84 fprintf(stdout, "GET IRQ TYPE:\t\t");
86 fprintf(stdout, "FAILED\n");
88 fprintf(stdout, "%s\n", irq[ret]);
91 if (test->legacyirq) {
92 ret = ioctl(fd, PCITEST_LEGACY_IRQ, 0);
93 fprintf(stdout, "LEGACY IRQ:\t");
95 fprintf(stdout, "TEST FAILED\n");
97 fprintf(stdout, "%s\n", result[ret]);
100 if (test->msinum > 0 && test->msinum <= 32) {
101 ret = ioctl(fd, PCITEST_MSI, test->msinum);
102 fprintf(stdout, "MSI%d:\t\t", test->msinum);
104 fprintf(stdout, "TEST FAILED\n");
106 fprintf(stdout, "%s\n", result[ret]);
109 if (test->msixnum > 0 && test->msixnum <= 2048) {
110 ret = ioctl(fd, PCITEST_MSIX, test->msixnum);
111 fprintf(stdout, "MSI-X%d:\t\t", test->msixnum);
113 fprintf(stdout, "TEST FAILED\n");
115 fprintf(stdout, "%s\n", result[ret]);
119 ret = ioctl(fd, PCITEST_WRITE, test->size);
120 fprintf(stdout, "WRITE (%7ld bytes):\t\t", test->size);
122 fprintf(stdout, "TEST FAILED\n");
124 fprintf(stdout, "%s\n", result[ret]);
128 ret = ioctl(fd, PCITEST_READ, test->size);
129 fprintf(stdout, "READ (%7ld bytes):\t\t", test->size);
131 fprintf(stdout, "TEST FAILED\n");
133 fprintf(stdout, "%s\n", result[ret]);
137 ret = ioctl(fd, PCITEST_COPY, test->size);
138 fprintf(stdout, "COPY (%7ld bytes):\t\t", test->size);
140 fprintf(stdout, "TEST FAILED\n");
142 fprintf(stdout, "%s\n", result[ret]);
148 int main(int argc, char **argv)
151 struct pci_test *test;
153 test = calloc(1, sizeof(*test));
155 perror("Fail to allocate memory for pci_test\n");
159 /* since '0' is a valid BAR number, initialize it to -1 */
162 /* set default size as 100KB */
163 test->size = 0x19000;
165 /* set default endpoint device */
166 test->device = "/dev/pci-endpoint-test.0";
168 while ((c = getopt(argc, argv, "D:b:m:x:i:Ilrwcs:")) != EOF)
171 test->device = optarg;
174 test->barnum = atoi(optarg);
175 if (test->barnum < 0 || test->barnum > 5)
179 test->legacyirq = true;
182 test->msinum = atoi(optarg);
183 if (test->msinum < 1 || test->msinum > 32)
187 test->msixnum = atoi(optarg);
188 if (test->msixnum < 1 || test->msixnum > 2048)
192 test->irqtype = atoi(optarg);
193 if (test->irqtype < 0 || test->irqtype > 2)
195 test->set_irqtype = true;
198 test->get_irqtype = true;
210 test->size = strtoul(optarg, NULL, 0);
217 "usage: %s [options]\n"
219 "\t-D <dev> PCI endpoint test device {default: /dev/pci-endpoint-test.0}\n"
220 "\t-b <bar num> BAR test (bar number between 0..5)\n"
221 "\t-m <msi num> MSI test (msi number between 1..32)\n"
222 "\t-x <msix num> \tMSI-X test (msix number between 1..2048)\n"
223 "\t-i <irq type> \tSet IRQ type (0 - Legacy, 1 - MSI, 2 - MSI-X)\n"
224 "\t-I Get current IRQ type configured\n"
225 "\t-l Legacy IRQ test\n"
226 "\t-r Read buffer test\n"
227 "\t-w Write buffer test\n"
228 "\t-c Copy buffer test\n"
229 "\t-s <size> Size of buffer {default: 100KB}\n",