summaryrefslogtreecommitdiffstats
path: root/src/spdk/test/env/pci
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-21 11:54:28 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-21 11:54:28 +0000
commite6918187568dbd01842d8d1d2c808ce16a894239 (patch)
tree64f88b554b444a49f656b6c656111a145cbbaa28 /src/spdk/test/env/pci
parentInitial commit. (diff)
downloadceph-b26c4052f3542036551aa9dec9caa4226e456195.tar.xz
ceph-b26c4052f3542036551aa9dec9caa4226e456195.zip
Adding upstream version 18.2.2.upstream/18.2.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/spdk/test/env/pci')
-rw-r--r--src/spdk/test/env/pci/.gitignore1
-rw-r--r--src/spdk/test/env/pci/Makefile40
-rw-r--r--src/spdk/test/env/pci/pci_ut.c238
3 files changed, 279 insertions, 0 deletions
diff --git a/src/spdk/test/env/pci/.gitignore b/src/spdk/test/env/pci/.gitignore
new file mode 100644
index 000000000..11d1c65ba
--- /dev/null
+++ b/src/spdk/test/env/pci/.gitignore
@@ -0,0 +1 @@
+pci_ut
diff --git a/src/spdk/test/env/pci/Makefile b/src/spdk/test/env/pci/Makefile
new file mode 100644
index 000000000..85d03ec34
--- /dev/null
+++ b/src/spdk/test/env/pci/Makefile
@@ -0,0 +1,40 @@
+#
+# BSD LICENSE
+#
+# Copyright (c) Intel Corporation.
+# All rights reserved.
+#
+# 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
+# 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
+# distribution.
+# * 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
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+
+SPDK_ROOT_DIR := $(abspath $(CURDIR)/../../..)
+
+UNIT_TEST_LINK_ENV = 1
+CFLAGS += $(ENV_CFLAGS)
+TEST_FILE = pci_ut.c
+
+include $(SPDK_ROOT_DIR)/mk/spdk.unittest.mk
diff --git a/src/spdk/test/env/pci/pci_ut.c b/src/spdk/test/env/pci/pci_ut.c
new file mode 100644
index 000000000..66d36b980
--- /dev/null
+++ b/src/spdk/test/env/pci/pci_ut.c
@@ -0,0 +1,238 @@
+/*-
+ * BSD LICENSE
+ *
+ * Copyright (c) Intel Corporation.
+ * All rights reserved.
+ *
+ * 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
+ * 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
+ * distribution.
+ * * 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
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "spdk/stdinc.h"
+
+#include "CUnit/Basic.h"
+#include "spdk_internal/mock.h"
+
+#include "env_dpdk/pci.c"
+
+static void
+pci_claim_test(struct spdk_pci_device *dev)
+{
+ int rc = 0;
+ pid_t childPid;
+ int status, ret;
+
+ rc = spdk_pci_device_claim(dev);
+ CU_ASSERT(rc >= 0);
+
+ childPid = fork();
+ CU_ASSERT(childPid >= 0);
+ if (childPid == 0) {
+ ret = spdk_pci_device_claim(dev);
+ CU_ASSERT(ret == -1);
+ exit(0);
+ } else {
+ waitpid(childPid, &status, 0);
+ }
+}
+
+static struct spdk_pci_driver ut_pci_driver;
+
+struct ut_pci_dev {
+ struct spdk_pci_device pci;
+ char config[16];
+ char bar[16];
+ bool attached;
+};
+
+static int
+ut_map_bar(struct spdk_pci_device *dev, uint32_t bar,
+ void **mapped_addr, uint64_t *phys_addr, uint64_t *size)
+{
+ struct ut_pci_dev *ut_dev = (struct ut_pci_dev *)dev;
+
+ /* just one bar */
+ if (bar > 0) {
+ return -1;
+ }
+
+ *mapped_addr = ut_dev->bar;
+ *phys_addr = 0;
+ *size = sizeof(ut_dev->bar);
+ return 0;
+}
+
+static int
+ut_unmap_bar(struct spdk_pci_device *device, uint32_t bar, void *addr)
+{
+ return 0;
+}
+
+static int
+ut_cfg_read(struct spdk_pci_device *dev, void *value, uint32_t len, uint32_t offset)
+{
+ struct ut_pci_dev *ut_dev = (struct ut_pci_dev *)dev;
+
+ if (len + offset >= sizeof(ut_dev->config)) {
+ return -1;
+ }
+
+ memcpy(value, (void *)((uintptr_t)ut_dev->config + offset), len);
+ return 0;
+}
+
+static int ut_cfg_write(struct spdk_pci_device *dev, void *value, uint32_t len, uint32_t offset)
+{
+ struct ut_pci_dev *ut_dev = (struct ut_pci_dev *)dev;
+
+ if (len + offset >= sizeof(ut_dev->config)) {
+ return -1;
+ }
+
+ memcpy((void *)((uintptr_t)ut_dev->config + offset), value, len);
+ return 0;
+}
+
+
+static int
+ut_enum_cb(void *ctx, struct spdk_pci_device *dev)
+{
+ struct ut_pci_dev *ut_dev = (struct ut_pci_dev *)dev;
+
+ ut_dev->attached = true;
+ return 0;
+}
+
+static void
+pci_hook_test(void)
+{
+ struct ut_pci_dev ut_dev = {};
+ uint32_t value_32;
+ void *bar0_vaddr;
+ uint64_t bar0_paddr, bar0_size;
+ int rc;
+
+ ut_dev.pci.type = "custom";
+ ut_dev.pci.id.vendor_id = 0x4;
+ ut_dev.pci.id.device_id = 0x8;
+
+ /* Use add parse for initilization */
+ spdk_pci_addr_parse(&ut_dev.pci.addr, "10000:00:01.0");
+ CU_ASSERT(ut_dev.pci.addr.domain == 0x10000);
+ CU_ASSERT(ut_dev.pci.addr.bus == 0x0);
+ CU_ASSERT(ut_dev.pci.addr.dev == 0x1);
+ CU_ASSERT(ut_dev.pci.addr.func == 0x0);
+
+ ut_dev.pci.map_bar = ut_map_bar;
+ ut_dev.pci.unmap_bar = ut_unmap_bar;
+ ut_dev.pci.cfg_read = ut_cfg_read;
+ ut_dev.pci.cfg_write = ut_cfg_write;
+
+ /* hook the device into the PCI layer */
+ spdk_pci_hook_device(&ut_pci_driver, &ut_dev.pci);
+
+ /* try to attach a device with the matching driver and bdf */
+ rc = spdk_pci_device_attach(&ut_pci_driver, ut_enum_cb, NULL, &ut_dev.pci.addr);
+ CU_ASSERT(rc == 0);
+ CU_ASSERT(ut_dev.pci.internal.attached);
+ CU_ASSERT(ut_dev.attached);
+
+ /* check PCI config writes and reads */
+ value_32 = 0xDEADBEEF;
+ rc = spdk_pci_device_cfg_write32(&ut_dev.pci, value_32, 0);
+ CU_ASSERT(rc == 0);
+
+ value_32 = 0x0BADF00D;
+ rc = spdk_pci_device_cfg_write32(&ut_dev.pci, value_32, 4);
+ CU_ASSERT(rc == 0);
+
+ rc = spdk_pci_device_cfg_read32(&ut_dev.pci, &value_32, 0);
+ CU_ASSERT(rc == 0);
+ CU_ASSERT(value_32 == 0xDEADBEEF);
+ CU_ASSERT(memcmp(&value_32, &ut_dev.config[0], 4) == 0);
+
+ rc = spdk_pci_device_cfg_read32(&ut_dev.pci, &value_32, 4);
+ CU_ASSERT(rc == 0);
+ CU_ASSERT(value_32 == 0x0BADF00D);
+ CU_ASSERT(memcmp(&value_32, &ut_dev.config[4], 4) == 0);
+
+ /* out-of-bounds write */
+ rc = spdk_pci_device_cfg_read32(&ut_dev.pci, &value_32, sizeof(ut_dev.config));
+ CU_ASSERT(rc != 0);
+
+ /* map a bar */
+ rc = spdk_pci_device_map_bar(&ut_dev.pci, 0, &bar0_vaddr, &bar0_paddr, &bar0_size);
+ CU_ASSERT(rc == 0);
+ CU_ASSERT(bar0_vaddr == ut_dev.bar);
+ CU_ASSERT(bar0_size == sizeof(ut_dev.bar));
+ spdk_pci_device_unmap_bar(&ut_dev.pci, 0, bar0_vaddr);
+
+ /* map an inaccessible bar */
+ rc = spdk_pci_device_map_bar(&ut_dev.pci, 1, &bar0_vaddr, &bar0_paddr, &bar0_size);
+ CU_ASSERT(rc != 0);
+
+ /* test spdk_pci_device_claim() */
+ pci_claim_test(&ut_dev.pci);
+
+ spdk_pci_device_detach(&ut_dev.pci);
+ CU_ASSERT(!ut_dev.pci.internal.attached);
+
+ /* unhook the device */
+ spdk_pci_unhook_device(&ut_dev.pci);
+
+ /* try to attach the same device again */
+ rc = spdk_pci_device_attach(&ut_pci_driver, ut_enum_cb, NULL, &ut_dev.pci.addr);
+ CU_ASSERT(rc != 0);
+}
+
+int main(int argc, char **argv)
+{
+ CU_pSuite suite = NULL;
+ unsigned int num_failures;
+
+ if (CU_initialize_registry() != CUE_SUCCESS) {
+ return CU_get_error();
+ }
+
+ suite = CU_add_suite("pci", NULL, NULL);
+ if (suite == NULL) {
+ CU_cleanup_registry();
+ return CU_get_error();
+ }
+
+ if (
+ CU_add_test(suite, "pci_hook", pci_hook_test) == NULL
+ ) {
+ CU_cleanup_registry();
+ return CU_get_error();
+ }
+
+ CU_basic_set_mode(CU_BRM_VERBOSE);
+ CU_basic_run_tests();
+ num_failures = CU_get_number_of_failures();
+ CU_cleanup_registry();
+ return num_failures;
+}