/*-
* BSD LICENSE
- *
- * Copyright(c) 2010-2012 Intel Corporation. All rights reserved.
+ *
+ * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2014 6WIND S.A.
* All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
* are met:
- *
- * * Redistributions of source code must retain the above copyright
+ *
+ * * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
* distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
+ * * Neither the name of Intel Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
*/
#include <stdio.h>
#include <stdint.h>
#include <sys/queue.h>
-#include <cmdline_parse.h>
-
#include <rte_interrupts.h>
#include <rte_pci.h>
+#include <rte_ethdev.h>
+#include <rte_devargs.h>
#include "test.h"
+#include "resource.h"
-
-#define TEST_BLACKLIST_NUM 0x100
+/* Generic maximum number of drivers to have room to allocate all drivers */
+#define NUM_MAX_DRIVERS 256
/*
* PCI test
int test_pci_run = 0; /* value checked by the multiprocess test */
static unsigned pci_dev_count;
-static unsigned driver_registered = 0;
-static struct rte_pci_addr blacklist[TEST_BLACKLIST_NUM];
static int my_driver_init(struct rte_pci_driver *dr,
struct rte_pci_device *dev);
-/*
- * To test cases where RTE_PCI_DRV_NEED_IGB_UIO is set, and isn't set, two
- * drivers are created (one with IGB devices, the other with IXGBE devices).
- */
-
/* IXGBE NICS */
struct rte_pci_id my_driver_id[] = {
-
-#define RTE_PCI_DEV_ID_DECL_IXGBE(vend, dev) {RTE_PCI_DEVICE(vend, dev)},
-#include <rte_pci_dev_ids.h>
-
-{ .vendor_id = 0, /* sentinel */ },
+ {RTE_PCI_DEVICE(0x0001, 0x1234)},
+ { .vendor_id = 0, /* sentinel */ },
};
struct rte_pci_id my_driver_id2[] = {
-
-/* IGB & EM NICS */
-#define RTE_PCI_DEV_ID_DECL_EM(vend, dev) {RTE_PCI_DEVICE(vend, dev)},
-#define RTE_PCI_DEV_ID_DECL_IGB(vend, dev) {RTE_PCI_DEVICE(vend, dev)},
-#define RTE_PCI_DEV_USE_82575EB_COPPER
-#include <rte_pci_dev_ids.h>
-
-{ .vendor_id = 0, /* sentinel */ },
+ {RTE_PCI_DEVICE(0x0001, 0x4444)},
+ {RTE_PCI_DEVICE(0x0002, 0xabcd)},
+ { .vendor_id = 0, /* sentinel */ },
};
struct rte_pci_driver my_driver = {
.name = "test_driver",
.devinit = my_driver_init,
.id_table = my_driver_id,
- .drv_flags = RTE_PCI_DRV_NEED_IGB_UIO,
+ .drv_flags = 0,
};
struct rte_pci_driver my_driver2 = {
}
static void
-blacklist_clear(void)
+blacklist_all_devices(void)
{
- rte_eal_pci_set_blacklist(NULL, 0);
+ struct rte_pci_device *dev = NULL;
+ unsigned i = 0;
+ char pci_addr_str[16];
+
+ TAILQ_FOREACH(dev, &pci_device_list, next) {
+ snprintf(pci_addr_str, sizeof(pci_addr_str), PCI_PRI_FMT,
+ dev->addr.domain, dev->addr.bus, dev->addr.devid,
+ dev->addr.function);
+ if (rte_eal_devargs_add(RTE_DEVTYPE_BLACKLISTED_PCI,
+ pci_addr_str) < 0) {
+ printf("Error: cannot blacklist <%s>", pci_addr_str);
+ break;
+ }
+ i++;
+ }
+ printf("%u devices blacklisted\n", i);
}
+/* clear devargs list that was modified by the test */
+static void free_devargs_list(void)
+{
+ struct rte_devargs *devargs;
+ while (!TAILQ_EMPTY(&devargs_list)) {
+ devargs = TAILQ_FIRST(&devargs_list);
+ TAILQ_REMOVE(&devargs_list, devargs, next);
+ free(devargs->args);
+ free(devargs);
+ }
+}
-static void
-blacklist_all_devices(void)
+/* backup real devices & drivers (not used for testing) */
+struct pci_driver_list real_pci_driver_list =
+ TAILQ_HEAD_INITIALIZER(real_pci_driver_list);
+struct pci_device_list real_pci_device_list =
+ TAILQ_HEAD_INITIALIZER(real_pci_device_list);
+
+REGISTER_LINKED_RESOURCE(test_pci_sysfs);
+
+static int
+test_pci_setup(void)
{
- struct rte_pci_device *dev = NULL;
- unsigned idx = 0;
+ struct rte_pci_device *dev;
+ struct rte_pci_driver *dr;
+ const struct resource *r;
+ int ret;
- memset(blacklist, 0, sizeof (blacklist));
+ r = resource_find("test_pci_sysfs");
+ TEST_ASSERT_NOT_NULL(r, "missing resource test_pci_sysfs");
- TAILQ_FOREACH(dev, &device_list, next) {
- if (idx >= sizeof (blacklist) / sizeof (blacklist[0])) {
- printf("Error: too many devices to blacklist");
- break;
- }
- blacklist[idx] = dev->addr;
- ++idx;
+ ret = resource_untar(r);
+ TEST_ASSERT_SUCCESS(ret, "failed to untar %s", r->name);
+
+ ret = setenv("SYSFS_PCI_DEVICES", "test_pci_sysfs/bus/pci/devices", 1);
+ TEST_ASSERT_SUCCESS(ret, "failed to setenv");
+
+ /* Unregister original devices & drivers lists */
+ while (!TAILQ_EMPTY(&pci_driver_list)) {
+ dr = TAILQ_FIRST(&pci_driver_list);
+ rte_eal_pci_unregister(dr);
+ TAILQ_INSERT_TAIL(&real_pci_driver_list, dr, next);
}
- rte_eal_pci_set_blacklist(blacklist, idx);
- printf("%u devices blacklisted\n", idx);
+ while (!TAILQ_EMPTY(&pci_device_list)) {
+ dev = TAILQ_FIRST(&pci_device_list);
+ TAILQ_REMOVE(&pci_device_list, dev, next);
+ TAILQ_INSERT_TAIL(&real_pci_device_list, dev, next);
+ }
+
+ ret = rte_eal_pci_scan();
+ TEST_ASSERT_SUCCESS(ret, "failed to scan PCI bus");
+ rte_eal_pci_dump(stdout);
+
+ return 0;
}
-int
-test_pci(void)
+static int
+test_pci_cleanup(void)
{
+ struct rte_pci_device *dev;
+ struct rte_pci_driver *dr;
+ const struct resource *r;
+ int ret;
+
+ unsetenv("SYSFS_PCI_DEVICES");
+
+ r = resource_find("test_pci_sysfs");
+ TEST_ASSERT_NOT_NULL(r, "missing resource test_pci_sysfs");
+
+ ret = resource_rm_by_tar(r);
+ TEST_ASSERT_SUCCESS(ret, "Failed to delete resource %s", r->name);
+
+ /*
+ * FIXME: there is no API in DPDK to free a rte_pci_device so we
+ * cannot free the devices in the right way. Let's assume that we
+ * don't care for tests.
+ */
+ while (!TAILQ_EMPTY(&pci_device_list)) {
+ dev = TAILQ_FIRST(&pci_device_list);
+ TAILQ_REMOVE(&pci_device_list, dev, next);
+ }
- printf("Dump all devices\n");
- rte_eal_pci_dump();
- if (driver_registered == 0) {
- rte_eal_pci_register(&my_driver);
- rte_eal_pci_register(&my_driver2);
- driver_registered = 1;
+ /* Restore original devices & drivers lists */
+ while (!TAILQ_EMPTY(&real_pci_driver_list)) {
+ dr = TAILQ_FIRST(&real_pci_driver_list);
+ TAILQ_REMOVE(&real_pci_driver_list, dr, next);
+ rte_eal_pci_register(dr);
+ }
+
+ while (!TAILQ_EMPTY(&real_pci_device_list)) {
+ dev = TAILQ_FIRST(&real_pci_device_list);
+ TAILQ_REMOVE(&real_pci_device_list, dev, next);
+ TAILQ_INSERT_TAIL(&pci_device_list, dev, next);
}
+ return 0;
+}
+
+static int
+test_pci_blacklist(void)
+{
+ struct rte_devargs_list save_devargs_list;
+
+ printf("Dump all devices\n");
+ TEST_ASSERT(TAILQ_EMPTY(&pci_driver_list),
+ "pci_driver_list not empty");
+
+ rte_eal_pci_register(&my_driver);
+ rte_eal_pci_register(&my_driver2);
+
pci_dev_count = 0;
printf("Scan bus\n");
rte_eal_pci_probe();
return -1;
}
+ /* save the real devargs_list */
+ save_devargs_list = devargs_list;
+ TAILQ_INIT(&devargs_list);
+
blacklist_all_devices();
pci_dev_count = 0;
printf("Scan bus with all devices blacklisted\n");
rte_eal_pci_probe();
- blacklist_clear();
+ free_devargs_list();
+ devargs_list = save_devargs_list;
if (pci_dev_count != 0) {
printf("not all devices are blacklisted\n");
}
test_pci_run = 1;
+
+ rte_eal_pci_unregister(&my_driver);
+ rte_eal_pci_unregister(&my_driver2);
+
return 0;
}
+
+static int test_pci_sysfs(void)
+{
+ const char *orig;
+ const char *newpath;
+ int ret;
+
+ orig = pci_get_sysfs_path();
+ ret = setenv("SYSFS_PCI_DEVICES", "My Documents", 1);
+ TEST_ASSERT_SUCCESS(ret, "Failed setenv to My Documents");
+
+ newpath = pci_get_sysfs_path();
+ TEST_ASSERT(!strcmp(newpath, "My Documents"),
+ "pci_get_sysfs_path() should return 'My Documents' "
+ "but gives %s", newpath);
+
+ ret = setenv("SYSFS_PCI_DEVICES", orig, 1);
+ TEST_ASSERT_SUCCESS(ret, "Failed setenv back to '%s'", orig);
+
+ newpath = pci_get_sysfs_path();
+ TEST_ASSERT(!strcmp(orig, newpath),
+ "pci_get_sysfs_path returned unexpected path: "
+ "%s (expected: %s)", newpath, orig);
+ return 0;
+}
+
+int
+test_pci(void)
+{
+ if (test_pci_sysfs())
+ return -1;
+
+ if (test_pci_setup())
+ return -1;
+
+ if (test_pci_blacklist())
+ return -1;
+
+ if (test_pci_cleanup())
+ return -1;
+
+ return 0;
+}
+
+REGISTER_TEST_COMMAND(pci_autotest, test_pci);
git.droids-corp.org / dpdk.git / blobdiff