#include <rte_devargs.h>
#include "test.h"
+#include "resource.h"
/* Generic maximum number of drivers to have room to allocate all drivers */
#define NUM_MAX_DRIVERS 256
/* 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)},
-#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 = {
}
}
-int
-test_pci(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_devargs_list save_devargs_list;
- struct rte_pci_driver *dr = NULL;
- struct rte_pci_driver *save_pci_driver_list[NUM_MAX_DRIVERS];
- unsigned i, num_drivers = 0;
+ struct rte_pci_device *dev;
+ struct rte_pci_driver *dr;
+ const struct resource *r;
+ int ret;
- printf("Dump all devices\n");
- rte_eal_pci_dump(stdout);
+ r = resource_find("test_pci_sysfs");
+ TEST_ASSERT_NOT_NULL(r, "missing resource test_pci_sysfs");
+
+ 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 all previous drivers */
- TAILQ_FOREACH(dr, &pci_driver_list, next) {
+ /* Unregister original devices & drivers lists */
+ while (!TAILQ_EMPTY(&pci_driver_list)) {
+ dr = TAILQ_FIRST(&pci_driver_list);
rte_eal_pci_unregister(dr);
- save_pci_driver_list[num_drivers++] = dr;
+ TAILQ_INSERT_TAIL(&real_pci_driver_list, dr, next);
}
+ 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;
+}
+
+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);
+ }
+
+ /* 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);
rte_eal_pci_unregister(&my_driver);
rte_eal_pci_unregister(&my_driver2);
- /* Restore original driver list */
- for (i = 0; i < num_drivers; i++)
- rte_eal_pci_register(save_pci_driver_list[i]);
+ 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;
}
Code Review / deb_dpdk.git / blobdiff