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Groups > linux.kernel > #1609650
| From | Kishon Vijay Abraham I <kishon@ti.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v5 20/24] tools: PCI: Add a userspace tool to test PCI endpoint |
| Date | 2017-03-27 12:00 +0200 |
| Message-ID | <tpzBo-66r-11@gated-at.bofh.it> (permalink) |
| References | <tpzrH-62q-5@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Add a userspace tool to invoke the ioctls exposed by the
PCI endpoint test driver to perform various PCI tests.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
---
tools/pci/pcitest.c | 186 ++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 186 insertions(+)
create mode 100644 tools/pci/pcitest.c
diff --git a/tools/pci/pcitest.c b/tools/pci/pcitest.c
new file mode 100644
index 000000000000..39b5b0ba569e
--- /dev/null
+++ b/tools/pci/pcitest.c
@@ -0,0 +1,186 @@
+/**
+ * Userspace PCI Endpoint Test Module
+ *
+ * Copyright (C) 2017 Texas Instruments
+ * Author: Kishon Vijay Abraham I <kishon@ti.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 of
+ * the License as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/ioctl.h>
+#include <time.h>
+#include <unistd.h>
+
+#include <linux/pcitest.h>
+
+#define BILLION 1E9
+
+static char *result[] = { "NOT OKAY", "OKAY" };
+
+struct pci_test {
+ char *device;
+ char barnum;
+ bool legacyirq;
+ unsigned int msinum;
+ bool read;
+ bool write;
+ bool copy;
+ unsigned long size;
+};
+
+static int run_test(struct pci_test *test)
+{
+ long ret;
+ int fd;
+ struct timespec start, end;
+ double time;
+
+ fd = open(test->device, O_RDWR);
+ if (fd < 0) {
+ perror("can't open PCI Endpoint Test device");
+ return fd;
+ }
+
+ if (test->barnum >= 0 && test->barnum <= 5) {
+ ret = ioctl(fd, PCITEST_BAR, test->barnum);
+ fprintf(stdout, "BAR%d:\t\t", test->barnum);
+ if (ret < 0)
+ fprintf(stdout, "TEST FAILED\n");
+ else
+ fprintf(stdout, "%s\n", result[ret]);
+ }
+
+ if (test->legacyirq) {
+ ret = ioctl(fd, PCITEST_LEGACY_IRQ, 0);
+ fprintf(stdout, "LEGACY IRQ:\t");
+ if (ret < 0)
+ fprintf(stdout, "TEST FAILED\n");
+ else
+ fprintf(stdout, "%s\n", result[ret]);
+ }
+
+ if (test->msinum > 0 && test->msinum <= 32) {
+ ret = ioctl(fd, PCITEST_MSI, test->msinum);
+ fprintf(stdout, "MSI%d:\t\t", test->msinum);
+ if (ret < 0)
+ fprintf(stdout, "TEST FAILED\n");
+ else
+ fprintf(stdout, "%s\n", result[ret]);
+ }
+
+ if (test->write) {
+ ret = ioctl(fd, PCITEST_WRITE, test->size);
+ fprintf(stdout, "WRITE (%7ld bytes):\t\t", test->size);
+ if (ret < 0)
+ fprintf(stdout, "TEST FAILED\n");
+ else
+ fprintf(stdout, "%s\n", result[ret]);
+ }
+
+ if (test->read) {
+ ret = ioctl(fd, PCITEST_READ, test->size);
+ fprintf(stdout, "READ (%7ld bytes):\t\t", test->size);
+ if (ret < 0)
+ fprintf(stdout, "TEST FAILED\n");
+ else
+ fprintf(stdout, "%s\n", result[ret]);
+ }
+
+ if (test->copy) {
+ ret = ioctl(fd, PCITEST_COPY, test->size);
+ fprintf(stdout, "COPY (%7ld bytes):\t\t", test->size);
+ if (ret < 0)
+ fprintf(stdout, "TEST FAILED\n");
+ else
+ fprintf(stdout, "%s\n", result[ret]);
+ }
+
+ fflush(stdout);
+}
+
+int main(int argc, char **argv)
+{
+ int c;
+ struct pci_test *test;
+
+ test = calloc(1, sizeof(*test));
+ if (!test) {
+ perror("Fail to allocate memory for pci_test\n");
+ return -ENOMEM;
+ }
+
+ /* since '0' is a valid BAR number, initialize it to -1 */
+ test->barnum = -1;
+
+ /* set default size as 100KB */
+ test->size = 0x19000;
+
+ /* set default endpoint device */
+ test->device = "/dev/pci-endpoint-test.0";
+
+ while ((c = getopt(argc, argv, "D:b:m:lrwcs:")) != EOF)
+ switch (c) {
+ case 'D':
+ test->device = optarg;
+ continue;
+ case 'b':
+ test->barnum = atoi(optarg);
+ if (test->barnum < 0 || test->barnum > 5)
+ goto usage;
+ continue;
+ case 'l':
+ test->legacyirq = true;
+ continue;
+ case 'm':
+ test->msinum = atoi(optarg);
+ if (test->msinum < 1 || test->msinum > 32)
+ goto usage;
+ continue;
+ case 'r':
+ test->read = true;
+ continue;
+ case 'w':
+ test->write = true;
+ continue;
+ case 'c':
+ test->copy = true;
+ continue;
+ case 's':
+ test->size = strtoul(optarg, NULL, 0);
+ continue;
+ case '?':
+ case 'h':
+ default:
+usage:
+ fprintf(stderr,
+ "usage: %s [options]\n"
+ "Options:\n"
+ "\t-D <dev> pci endpoint test device {default: /dev/pci-endpoint-test.0}\n"
+ "\t-b <bar num> BAR test (bar number between 0..5)\n"
+ "\t-m <msi num> MSI test (msi number between 1..32)\n"
+ "\t-r Read buffer test\n"
+ "\t-w Write buffer test\n"
+ "\t-c Copy buffer test\n"
+ "\t-s <size> Size of buffer {default: 100KB}\n",
+ argv[0]);
+ return -EINVAL;
+ }
+
+ run_test(test);
+ return 0;
+}
--
2.11.0
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[GIT PULL] PCI: Support for configurable PCI endpoint Kishon Vijay Abraham I <kishon@ti.com> - 2017-03-27 11:50 +0200
[PATCH v5 22/24] Documentation: PCI: Add userguide for PCI endpoint test function Kishon Vijay Abraham I <kishon@ti.com> - 2017-03-27 11:50 +0200
[PATCH v5 11/24] PCI: dwc: dra7xx: Facilitate wrapper and msi interrupts to be enabled independently Kishon Vijay Abraham I <kishon@ti.com> - 2017-03-27 11:50 +0200
[PATCH v5 06/24] Documentation: PCI: Add specification for the *pci test* function device Kishon Vijay Abraham I <kishon@ti.com> - 2017-03-27 11:50 +0200
[PATCH v5 05/24] PCI: endpoint: Create configfs entry for EPC device and EPF driver Kishon Vijay Abraham I <kishon@ti.com> - 2017-03-27 11:50 +0200
[PATCH v5 14/24] dt-bindings: mfd: syscon: Add documentation for #syscon-cells property Kishon Vijay Abraham I <kishon@ti.com> - 2017-03-27 11:50 +0200
Re: [PATCH v5 14/24] dt-bindings: mfd: syscon: Add documentation for #syscon-cells property Rob Herring <robh@kernel.org> - 2017-03-31 21:00 +0200
Re: [PATCH v5 14/24] dt-bindings: mfd: syscon: Add documentation for #syscon-cells property Rob Herring <robh@kernel.org> - 2017-03-31 21:10 +0200
Re: [PATCH v5 14/24] dt-bindings: mfd: syscon: Add documentation for #syscon-cells property Kishon Vijay Abraham I <kishon@ti.com> - 2017-04-05 10:40 +0200
[PATCH v5 17/24] PCI: Add device IDs for DRA74x and DRA72x Kishon Vijay Abraham I <kishon@ti.com> - 2017-03-27 11:50 +0200
[PATCH v5 24/24] ARM: DRA7: clockdomain: Change the CLKTRCTRL of CM_PCIE_CLKSTCTRL to SW_WKUP Kishon Vijay Abraham I <kishon@ti.com> - 2017-03-27 11:50 +0200
[PATCH v5 10/24] dt-bindings: PCI: Add dt bindings for pci designware EP mode Kishon Vijay Abraham I <kishon@ti.com> - 2017-03-27 11:50 +0200
[PATCH v5 19/24] Documentation: misc-devices: Add Documentation for pci-endpoint-test driver Kishon Vijay Abraham I <kishon@ti.com> - 2017-03-27 11:50 +0200
[PATCH v5 07/24] PCI: endpoint: functions: Add an EP function to test PCI Kishon Vijay Abraham I <kishon@ti.com> - 2017-03-27 11:50 +0200
[PATCH v5 21/24] tools: PCI: Add sample test script to invoke pcitest Kishon Vijay Abraham I <kishon@ti.com> - 2017-03-27 11:50 +0200
[PATCH v5 20/24] tools: PCI: Add a userspace tool to test PCI endpoint Kishon Vijay Abraham I <kishon@ti.com> - 2017-03-27 12:00 +0200
[PATCH v5 15/24] PCI: dwc: dra7xx: Workaround for errata id i870 Kishon Vijay Abraham I <kishon@ti.com> - 2017-03-27 12:00 +0200
[PATCH v5 12/24] PCI: dwc: dra7xx: Add EP mode support Kishon Vijay Abraham I <kishon@ti.com> - 2017-03-27 12:00 +0200
[PATCH v5 13/24] dt-bindings: PCI: dra7xx: Add dt bindings for pci dra7xx EP mode Kishon Vijay Abraham I <kishon@ti.com> - 2017-03-27 12:00 +0200
[PATCH v5 02/24] Documentation: PCI: Guide to use PCI Endpoint Core Layer Kishon Vijay Abraham I <kishon@ti.com> - 2017-03-27 12:00 +0200
[PATCH v5 16/24] dt-bindings: PCI: dra7xx: Add dt bindings to enable unaligned access Kishon Vijay Abraham I <kishon@ti.com> - 2017-03-27 12:00 +0200
Re: [PATCH v5 16/24] dt-bindings: PCI: dra7xx: Add dt bindings to enable unaligned access Rob Herring <robh@kernel.org> - 2017-03-31 21:10 +0200
[PATCH v5 18/24] misc: Add host side pci driver for pci test function device Kishon Vijay Abraham I <kishon@ti.com> - 2017-03-27 12:00 +0200
[PATCH v5 08/24] Documentation: PCI: Add binding documentation for pci-test endpoint function Kishon Vijay Abraham I <kishon@ti.com> - 2017-03-27 12:00 +0200
[PATCH v5 09/24] PCI: dwc: designware: Add EP mode support Kishon Vijay Abraham I <kishon@ti.com> - 2017-03-27 12:00 +0200
[PATCH v5 03/24] PCI: endpoint: Introduce configfs entry for configuring EP functions Kishon Vijay Abraham I <kishon@ti.com> - 2017-03-27 12:00 +0200
[PATCH v5 23/24] MAINTAINERS: add PCI EP maintainer Kishon Vijay Abraham I <kishon@ti.com> - 2017-03-27 12:20 +0200
Re: [GIT PULL] PCI: Support for configurable PCI endpoint Niklas Cassel <niklas.cassel@axis.com> - 2017-03-29 13:50 +0200
Re: [GIT PULL] PCI: Support for configurable PCI endpoint Kishon Vijay Abraham I <kishon@ti.com> - 2017-03-29 14:20 +0200
Re: [GIT PULL] PCI: Support for configurable PCI endpoint Kishon Vijay Abraham I <kishon@ti.com> - 2017-03-29 14:40 +0200
Re: [GIT PULL] PCI: Support for configurable PCI endpoint Niklas Cassel <niklas.cassel@axis.com> - 2017-03-29 15:20 +0200
Re: [GIT PULL] PCI: Support for configurable PCI endpoint Bjorn Helgaas <helgaas@kernel.org> - 2017-04-04 22:40 +0200
Re: [GIT PULL] PCI: Support for configurable PCI endpoint Kishon Vijay Abraham I <kishon@ti.com> - 2017-04-05 11:00 +0200
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