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-rw-r--r--drivers/thunderbolt/domain.c12
-rw-r--r--drivers/thunderbolt/nhi.c44
-rw-r--r--drivers/thunderbolt/test.c134
3 files changed, 114 insertions, 76 deletions
diff --git a/drivers/thunderbolt/domain.c b/drivers/thunderbolt/domain.c
index 7018d959f775..2889a214dadc 100644
--- a/drivers/thunderbolt/domain.c
+++ b/drivers/thunderbolt/domain.c
@@ -7,9 +7,7 @@
*/
#include <linux/device.h>
-#include <linux/dmar.h>
#include <linux/idr.h>
-#include <linux/iommu.h>
#include <linux/module.h>
#include <linux/pm_runtime.h>
#include <linux/slab.h>
@@ -257,13 +255,9 @@ static ssize_t iommu_dma_protection_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
- /*
- * Kernel DMA protection is a feature where Thunderbolt security is
- * handled natively using IOMMU. It is enabled when IOMMU is
- * enabled and ACPI DMAR table has DMAR_PLATFORM_OPT_IN set.
- */
- return sprintf(buf, "%d\n",
- iommu_present(&pci_bus_type) && dmar_platform_optin());
+ struct tb *tb = container_of(dev, struct tb, dev);
+
+ return sysfs_emit(buf, "%d\n", tb->nhi->iommu_dma_protection);
}
static DEVICE_ATTR_RO(iommu_dma_protection);
diff --git a/drivers/thunderbolt/nhi.c b/drivers/thunderbolt/nhi.c
index 6221ca4ea287..1333b158a95e 100644
--- a/drivers/thunderbolt/nhi.c
+++ b/drivers/thunderbolt/nhi.c
@@ -15,9 +15,11 @@
#include <linux/pci.h>
#include <linux/dma-mapping.h>
#include <linux/interrupt.h>
+#include <linux/iommu.h>
#include <linux/module.h>
#include <linux/delay.h>
#include <linux/property.h>
+#include <linux/string_helpers.h>
#include "nhi.h"
#include "nhi_regs.h"
@@ -1103,6 +1105,47 @@ static void nhi_check_quirks(struct tb_nhi *nhi)
nhi->quirks |= QUIRK_AUTO_CLEAR_INT;
}
+static int nhi_check_iommu_pdev(struct pci_dev *pdev, void *data)
+{
+ if (!pdev->external_facing ||
+ !device_iommu_capable(&pdev->dev, IOMMU_CAP_PRE_BOOT_PROTECTION))
+ return 0;
+ *(bool *)data = true;
+ return 1; /* Stop walking */
+}
+
+static void nhi_check_iommu(struct tb_nhi *nhi)
+{
+ struct pci_bus *bus = nhi->pdev->bus;
+ bool port_ok = false;
+
+ /*
+ * Ideally what we'd do here is grab every PCI device that
+ * represents a tunnelling adapter for this NHI and check their
+ * status directly, but unfortunately USB4 seems to make it
+ * obnoxiously difficult to reliably make any correlation.
+ *
+ * So for now we'll have to bodge it... Hoping that the system
+ * is at least sane enough that an adapter is in the same PCI
+ * segment as its NHI, if we can find *something* on that segment
+ * which meets the requirements for Kernel DMA Protection, we'll
+ * take that to imply that firmware is aware and has (hopefully)
+ * done the right thing in general. We need to know that the PCI
+ * layer has seen the ExternalFacingPort property which will then
+ * inform the IOMMU layer to enforce the complete "untrusted DMA"
+ * flow, but also that the IOMMU driver itself can be trusted not
+ * to have been subverted by a pre-boot DMA attack.
+ */
+ while (bus->parent)
+ bus = bus->parent;
+
+ pci_walk_bus(bus, nhi_check_iommu_pdev, &port_ok);
+
+ nhi->iommu_dma_protection = port_ok;
+ dev_dbg(&nhi->pdev->dev, "IOMMU DMA protection is %s\n",
+ str_enabled_disabled(port_ok));
+}
+
static int nhi_init_msi(struct tb_nhi *nhi)
{
struct pci_dev *pdev = nhi->pdev;
@@ -1220,6 +1263,7 @@ static int nhi_probe(struct pci_dev *pdev, const struct pci_device_id *id)
return -ENOMEM;
nhi_check_quirks(nhi);
+ nhi_check_iommu(nhi);
res = nhi_init_msi(nhi);
if (res) {
diff --git a/drivers/thunderbolt/test.c b/drivers/thunderbolt/test.c
index 99b30f2624fc..ee37f8b58f50 100644
--- a/drivers/thunderbolt/test.c
+++ b/drivers/thunderbolt/test.c
@@ -837,9 +837,9 @@ static void tb_test_path_not_connected(struct kunit *test)
up = &dev2->ports[9];
path = tb_path_alloc(NULL, down, 8, up, 8, 0, "PCIe Down");
- KUNIT_ASSERT_TRUE(test, path == NULL);
+ KUNIT_ASSERT_NULL(test, path);
path = tb_path_alloc(NULL, down, 8, up, 8, 1, "PCIe Down");
- KUNIT_ASSERT_TRUE(test, path == NULL);
+ KUNIT_ASSERT_NULL(test, path);
}
struct hop_expectation {
@@ -888,7 +888,7 @@ static void tb_test_path_not_bonded_lane0(struct kunit *test)
up = &dev->ports[9];
path = tb_path_alloc(NULL, down, 8, up, 8, 0, "PCIe Down");
- KUNIT_ASSERT_TRUE(test, path != NULL);
+ KUNIT_ASSERT_NOT_NULL(test, path);
KUNIT_ASSERT_EQ(test, path->path_length, ARRAY_SIZE(test_data));
for (i = 0; i < ARRAY_SIZE(test_data); i++) {
const struct tb_port *in_port, *out_port;
@@ -950,7 +950,7 @@ static void tb_test_path_not_bonded_lane1(struct kunit *test)
out = &dev->ports[13];
path = tb_path_alloc(NULL, in, 9, out, 9, 1, "Video");
- KUNIT_ASSERT_TRUE(test, path != NULL);
+ KUNIT_ASSERT_NOT_NULL(test, path);
KUNIT_ASSERT_EQ(test, path->path_length, ARRAY_SIZE(test_data));
for (i = 0; i < ARRAY_SIZE(test_data); i++) {
const struct tb_port *in_port, *out_port;
@@ -1030,7 +1030,7 @@ static void tb_test_path_not_bonded_lane1_chain(struct kunit *test)
out = &dev3->ports[13];
path = tb_path_alloc(NULL, in, 9, out, 9, 1, "Video");
- KUNIT_ASSERT_TRUE(test, path != NULL);
+ KUNIT_ASSERT_NOT_NULL(test, path);
KUNIT_ASSERT_EQ(test, path->path_length, ARRAY_SIZE(test_data));
for (i = 0; i < ARRAY_SIZE(test_data); i++) {
const struct tb_port *in_port, *out_port;
@@ -1110,7 +1110,7 @@ static void tb_test_path_not_bonded_lane1_chain_reverse(struct kunit *test)
out = &host->ports[5];
path = tb_path_alloc(NULL, in, 9, out, 9, 1, "Video");
- KUNIT_ASSERT_TRUE(test, path != NULL);
+ KUNIT_ASSERT_NOT_NULL(test, path);
KUNIT_ASSERT_EQ(test, path->path_length, ARRAY_SIZE(test_data));
for (i = 0; i < ARRAY_SIZE(test_data); i++) {
const struct tb_port *in_port, *out_port;
@@ -1202,7 +1202,7 @@ static void tb_test_path_mixed_chain(struct kunit *test)
out = &dev4->ports[13];
path = tb_path_alloc(NULL, in, 9, out, 9, 1, "Video");
- KUNIT_ASSERT_TRUE(test, path != NULL);
+ KUNIT_ASSERT_NOT_NULL(test, path);
KUNIT_ASSERT_EQ(test, path->path_length, ARRAY_SIZE(test_data));
for (i = 0; i < ARRAY_SIZE(test_data); i++) {
const struct tb_port *in_port, *out_port;
@@ -1294,7 +1294,7 @@ static void tb_test_path_mixed_chain_reverse(struct kunit *test)
out = &host->ports[5];
path = tb_path_alloc(NULL, in, 9, out, 9, 1, "Video");
- KUNIT_ASSERT_TRUE(test, path != NULL);
+ KUNIT_ASSERT_NOT_NULL(test, path);
KUNIT_ASSERT_EQ(test, path->path_length, ARRAY_SIZE(test_data));
for (i = 0; i < ARRAY_SIZE(test_data); i++) {
const struct tb_port *in_port, *out_port;
@@ -1338,7 +1338,7 @@ static void tb_test_tunnel_pcie(struct kunit *test)
down = &host->ports[8];
up = &dev1->ports[9];
tunnel1 = tb_tunnel_alloc_pci(NULL, up, down);
- KUNIT_ASSERT_TRUE(test, tunnel1 != NULL);
+ KUNIT_ASSERT_NOT_NULL(test, tunnel1);
KUNIT_EXPECT_EQ(test, tunnel1->type, TB_TUNNEL_PCI);
KUNIT_EXPECT_PTR_EQ(test, tunnel1->src_port, down);
KUNIT_EXPECT_PTR_EQ(test, tunnel1->dst_port, up);
@@ -1353,7 +1353,7 @@ static void tb_test_tunnel_pcie(struct kunit *test)
down = &dev1->ports[10];
up = &dev2->ports[9];
tunnel2 = tb_tunnel_alloc_pci(NULL, up, down);
- KUNIT_ASSERT_TRUE(test, tunnel2 != NULL);
+ KUNIT_ASSERT_NOT_NULL(test, tunnel2);
KUNIT_EXPECT_EQ(test, tunnel2->type, TB_TUNNEL_PCI);
KUNIT_EXPECT_PTR_EQ(test, tunnel2->src_port, down);
KUNIT_EXPECT_PTR_EQ(test, tunnel2->dst_port, up);
@@ -1390,7 +1390,7 @@ static void tb_test_tunnel_dp(struct kunit *test)
out = &dev->ports[13];
tunnel = tb_tunnel_alloc_dp(NULL, in, out, 1, 0, 0);
- KUNIT_ASSERT_TRUE(test, tunnel != NULL);
+ KUNIT_ASSERT_NOT_NULL(test, tunnel);
KUNIT_EXPECT_EQ(test, tunnel->type, TB_TUNNEL_DP);
KUNIT_EXPECT_PTR_EQ(test, tunnel->src_port, in);
KUNIT_EXPECT_PTR_EQ(test, tunnel->dst_port, out);
@@ -1436,7 +1436,7 @@ static void tb_test_tunnel_dp_chain(struct kunit *test)
out = &dev4->ports[14];
tunnel = tb_tunnel_alloc_dp(NULL, in, out, 1, 0, 0);
- KUNIT_ASSERT_TRUE(test, tunnel != NULL);
+ KUNIT_ASSERT_NOT_NULL(test, tunnel);
KUNIT_EXPECT_EQ(test, tunnel->type, TB_TUNNEL_DP);
KUNIT_EXPECT_PTR_EQ(test, tunnel->src_port, in);
KUNIT_EXPECT_PTR_EQ(test, tunnel->dst_port, out);
@@ -1486,7 +1486,7 @@ static void tb_test_tunnel_dp_tree(struct kunit *test)
out = &dev5->ports[13];
tunnel = tb_tunnel_alloc_dp(NULL, in, out, 1, 0, 0);
- KUNIT_ASSERT_TRUE(test, tunnel != NULL);
+ KUNIT_ASSERT_NOT_NULL(test, tunnel);
KUNIT_EXPECT_EQ(test, tunnel->type, TB_TUNNEL_DP);
KUNIT_EXPECT_PTR_EQ(test, tunnel->src_port, in);
KUNIT_EXPECT_PTR_EQ(test, tunnel->dst_port, out);
@@ -1551,7 +1551,7 @@ static void tb_test_tunnel_dp_max_length(struct kunit *test)
out = &dev12->ports[13];
tunnel = tb_tunnel_alloc_dp(NULL, in, out, 1, 0, 0);
- KUNIT_ASSERT_TRUE(test, tunnel != NULL);
+ KUNIT_ASSERT_NOT_NULL(test, tunnel);
KUNIT_EXPECT_EQ(test, tunnel->type, TB_TUNNEL_DP);
KUNIT_EXPECT_PTR_EQ(test, tunnel->src_port, in);
KUNIT_EXPECT_PTR_EQ(test, tunnel->dst_port, out);
@@ -1607,7 +1607,7 @@ static void tb_test_tunnel_usb3(struct kunit *test)
down = &host->ports[12];
up = &dev1->ports[16];
tunnel1 = tb_tunnel_alloc_usb3(NULL, up, down, 0, 0);
- KUNIT_ASSERT_TRUE(test, tunnel1 != NULL);
+ KUNIT_ASSERT_NOT_NULL(test, tunnel1);
KUNIT_EXPECT_EQ(test, tunnel1->type, TB_TUNNEL_USB3);
KUNIT_EXPECT_PTR_EQ(test, tunnel1->src_port, down);
KUNIT_EXPECT_PTR_EQ(test, tunnel1->dst_port, up);
@@ -1622,7 +1622,7 @@ static void tb_test_tunnel_usb3(struct kunit *test)
down = &dev1->ports[17];
up = &dev2->ports[16];
tunnel2 = tb_tunnel_alloc_usb3(NULL, up, down, 0, 0);
- KUNIT_ASSERT_TRUE(test, tunnel2 != NULL);
+ KUNIT_ASSERT_NOT_NULL(test, tunnel2);
KUNIT_EXPECT_EQ(test, tunnel2->type, TB_TUNNEL_USB3);
KUNIT_EXPECT_PTR_EQ(test, tunnel2->src_port, down);
KUNIT_EXPECT_PTR_EQ(test, tunnel2->dst_port, up);
@@ -1669,7 +1669,7 @@ static void tb_test_tunnel_port_on_path(struct kunit *test)
out = &dev5->ports[13];
dp_tunnel = tb_tunnel_alloc_dp(NULL, in, out, 1, 0, 0);
- KUNIT_ASSERT_TRUE(test, dp_tunnel != NULL);
+ KUNIT_ASSERT_NOT_NULL(test, dp_tunnel);
KUNIT_EXPECT_TRUE(test, tb_tunnel_port_on_path(dp_tunnel, in));
KUNIT_EXPECT_TRUE(test, tb_tunnel_port_on_path(dp_tunnel, out));
@@ -1726,7 +1726,7 @@ static void tb_test_tunnel_dma(struct kunit *test)
port = &host->ports[1];
tunnel = tb_tunnel_alloc_dma(NULL, nhi, port, 8, 1, 8, 1);
- KUNIT_ASSERT_TRUE(test, tunnel != NULL);
+ KUNIT_ASSERT_NOT_NULL(test, tunnel);
KUNIT_EXPECT_EQ(test, tunnel->type, TB_TUNNEL_DMA);
KUNIT_EXPECT_PTR_EQ(test, tunnel->src_port, nhi);
KUNIT_EXPECT_PTR_EQ(test, tunnel->dst_port, port);
@@ -1769,7 +1769,7 @@ static void tb_test_tunnel_dma_rx(struct kunit *test)
port = &host->ports[1];
tunnel = tb_tunnel_alloc_dma(NULL, nhi, port, -1, -1, 15, 2);
- KUNIT_ASSERT_TRUE(test, tunnel != NULL);
+ KUNIT_ASSERT_NOT_NULL(test, tunnel);
KUNIT_EXPECT_EQ(test, tunnel->type, TB_TUNNEL_DMA);
KUNIT_EXPECT_PTR_EQ(test, tunnel->src_port, nhi);
KUNIT_EXPECT_PTR_EQ(test, tunnel->dst_port, port);
@@ -1806,7 +1806,7 @@ static void tb_test_tunnel_dma_tx(struct kunit *test)
port = &host->ports[1];
tunnel = tb_tunnel_alloc_dma(NULL, nhi, port, 15, 2, -1, -1);
- KUNIT_ASSERT_TRUE(test, tunnel != NULL);
+ KUNIT_ASSERT_NOT_NULL(test, tunnel);
KUNIT_EXPECT_EQ(test, tunnel->type, TB_TUNNEL_DMA);
KUNIT_EXPECT_PTR_EQ(test, tunnel->src_port, nhi);
KUNIT_EXPECT_PTR_EQ(test, tunnel->dst_port, port);
@@ -1852,7 +1852,7 @@ static void tb_test_tunnel_dma_chain(struct kunit *test)
nhi = &host->ports[7];
port = &dev2->ports[3];
tunnel = tb_tunnel_alloc_dma(NULL, nhi, port, 8, 1, 8, 1);
- KUNIT_ASSERT_TRUE(test, tunnel != NULL);
+ KUNIT_ASSERT_NOT_NULL(test, tunnel);
KUNIT_EXPECT_EQ(test, tunnel->type, TB_TUNNEL_DMA);
KUNIT_EXPECT_PTR_EQ(test, tunnel->src_port, nhi);
KUNIT_EXPECT_PTR_EQ(test, tunnel->dst_port, port);
@@ -1898,7 +1898,7 @@ static void tb_test_tunnel_dma_match(struct kunit *test)
port = &host->ports[1];
tunnel = tb_tunnel_alloc_dma(NULL, nhi, port, 15, 1, 15, 1);
- KUNIT_ASSERT_TRUE(test, tunnel != NULL);
+ KUNIT_ASSERT_NOT_NULL(test, tunnel);
KUNIT_ASSERT_TRUE(test, tb_tunnel_match_dma(tunnel, 15, 1, 15, 1));
KUNIT_ASSERT_FALSE(test, tb_tunnel_match_dma(tunnel, 8, 1, 15, 1));
@@ -1914,7 +1914,7 @@ static void tb_test_tunnel_dma_match(struct kunit *test)
tb_tunnel_free(tunnel);
tunnel = tb_tunnel_alloc_dma(NULL, nhi, port, 15, 1, -1, -1);
- KUNIT_ASSERT_TRUE(test, tunnel != NULL);
+ KUNIT_ASSERT_NOT_NULL(test, tunnel);
KUNIT_ASSERT_TRUE(test, tb_tunnel_match_dma(tunnel, 15, 1, -1, -1));
KUNIT_ASSERT_TRUE(test, tb_tunnel_match_dma(tunnel, 15, -1, -1, -1));
KUNIT_ASSERT_TRUE(test, tb_tunnel_match_dma(tunnel, -1, 1, -1, -1));
@@ -1926,7 +1926,7 @@ static void tb_test_tunnel_dma_match(struct kunit *test)
tb_tunnel_free(tunnel);
tunnel = tb_tunnel_alloc_dma(NULL, nhi, port, -1, -1, 15, 11);
- KUNIT_ASSERT_TRUE(test, tunnel != NULL);
+ KUNIT_ASSERT_NOT_NULL(test, tunnel);
KUNIT_ASSERT_TRUE(test, tb_tunnel_match_dma(tunnel, -1, -1, 15, 11));
KUNIT_ASSERT_TRUE(test, tb_tunnel_match_dma(tunnel, -1, -1, 15, -1));
KUNIT_ASSERT_TRUE(test, tb_tunnel_match_dma(tunnel, -1, -1, -1, 11));
@@ -1951,7 +1951,7 @@ static void tb_test_credit_alloc_legacy_not_bonded(struct kunit *test)
down = &host->ports[8];
up = &dev->ports[9];
tunnel = tb_tunnel_alloc_pci(NULL, up, down);
- KUNIT_ASSERT_TRUE(test, tunnel != NULL);
+ KUNIT_ASSERT_NOT_NULL(test, tunnel);
KUNIT_ASSERT_EQ(test, tunnel->npaths, (size_t)2);
path = tunnel->paths[0];
@@ -1984,7 +1984,7 @@ static void tb_test_credit_alloc_legacy_bonded(struct kunit *test)
down = &host->ports[8];
up = &dev->ports[9];
tunnel = tb_tunnel_alloc_pci(NULL, up, down);
- KUNIT_ASSERT_TRUE(test, tunnel != NULL);
+ KUNIT_ASSERT_NOT_NULL(test, tunnel);
KUNIT_ASSERT_EQ(test, tunnel->npaths, (size_t)2);
path = tunnel->paths[0];
@@ -2017,7 +2017,7 @@ static void tb_test_credit_alloc_pcie(struct kunit *test)
down = &host->ports[8];
up = &dev->ports[9];
tunnel = tb_tunnel_alloc_pci(NULL, up, down);
- KUNIT_ASSERT_TRUE(test, tunnel != NULL);
+ KUNIT_ASSERT_NOT_NULL(test, tunnel);
KUNIT_ASSERT_EQ(test, tunnel->npaths, (size_t)2);
path = tunnel->paths[0];
@@ -2101,7 +2101,7 @@ static void tb_test_credit_alloc_dp(struct kunit *test)
out = &dev->ports[14];
tunnel = tb_tunnel_alloc_dp(NULL, in, out, 1, 0, 0);
- KUNIT_ASSERT_TRUE(test, tunnel != NULL);
+ KUNIT_ASSERT_NOT_NULL(test, tunnel);
KUNIT_ASSERT_EQ(test, tunnel->npaths, (size_t)3);
/* Video (main) path */
@@ -2144,7 +2144,7 @@ static void tb_test_credit_alloc_usb3(struct kunit *test)
down = &host->ports[12];
up = &dev->ports[16];
tunnel = tb_tunnel_alloc_usb3(NULL, up, down, 0, 0);
- KUNIT_ASSERT_TRUE(test, tunnel != NULL);
+ KUNIT_ASSERT_NOT_NULL(test, tunnel);
KUNIT_ASSERT_EQ(test, tunnel->npaths, (size_t)2);
path = tunnel->paths[0];
@@ -2178,7 +2178,7 @@ static void tb_test_credit_alloc_dma(struct kunit *test)
port = &dev->ports[3];
tunnel = tb_tunnel_alloc_dma(NULL, nhi, port, 8, 1, 8, 1);
- KUNIT_ASSERT_TRUE(test, tunnel != NULL);
+ KUNIT_ASSERT_NOT_NULL(test, tunnel);
KUNIT_ASSERT_EQ(test, tunnel->npaths, (size_t)2);
/* DMA RX */
@@ -2232,7 +2232,7 @@ static void tb_test_credit_alloc_dma_multiple(struct kunit *test)
* remaining 1 and then we run out of buffers.
*/
tunnel1 = tb_tunnel_alloc_dma(NULL, nhi, port, 8, 1, 8, 1);
- KUNIT_ASSERT_TRUE(test, tunnel1 != NULL);
+ KUNIT_ASSERT_NOT_NULL(test, tunnel1);
KUNIT_ASSERT_EQ(test, tunnel1->npaths, (size_t)2);
path = tunnel1->paths[0];
@@ -2250,7 +2250,7 @@ static void tb_test_credit_alloc_dma_multiple(struct kunit *test)
KUNIT_EXPECT_EQ(test, path->hops[1].initial_credits, 14U);
tunnel2 = tb_tunnel_alloc_dma(NULL, nhi, port, 9, 2, 9, 2);
- KUNIT_ASSERT_TRUE(test, tunnel2 != NULL);
+ KUNIT_ASSERT_NOT_NULL(test, tunnel2);
KUNIT_ASSERT_EQ(test, tunnel2->npaths, (size_t)2);
path = tunnel2->paths[0];
@@ -2268,7 +2268,7 @@ static void tb_test_credit_alloc_dma_multiple(struct kunit *test)
KUNIT_EXPECT_EQ(test, path->hops[1].initial_credits, 1U);
tunnel3 = tb_tunnel_alloc_dma(NULL, nhi, port, 10, 3, 10, 3);
- KUNIT_ASSERT_TRUE(test, tunnel3 == NULL);
+ KUNIT_ASSERT_NULL(test, tunnel3);
/*
* Release the first DMA tunnel. That should make 14 buffers
@@ -2277,7 +2277,7 @@ static void tb_test_credit_alloc_dma_multiple(struct kunit *test)
tb_tunnel_free(tunnel1);
tunnel3 = tb_tunnel_alloc_dma(NULL, nhi, port, 10, 3, 10, 3);
- KUNIT_ASSERT_TRUE(test, tunnel3 != NULL);
+ KUNIT_ASSERT_NOT_NULL(test, tunnel3);
path = tunnel3->paths[0];
KUNIT_ASSERT_EQ(test, path->path_length, 2);
@@ -2307,7 +2307,7 @@ static struct tb_tunnel *TB_TEST_PCIE_TUNNEL(struct kunit *test,
down = &host->ports[8];
up = &dev->ports[9];
pcie_tunnel = tb_tunnel_alloc_pci(NULL, up, down);
- KUNIT_ASSERT_TRUE(test, pcie_tunnel != NULL);
+ KUNIT_ASSERT_NOT_NULL(test, pcie_tunnel);
KUNIT_ASSERT_EQ(test, pcie_tunnel->npaths, (size_t)2);
path = pcie_tunnel->paths[0];
@@ -2337,7 +2337,7 @@ static struct tb_tunnel *TB_TEST_DP_TUNNEL1(struct kunit *test,
in = &host->ports[5];
out = &dev->ports[13];
dp_tunnel1 = tb_tunnel_alloc_dp(NULL, in, out, 1, 0, 0);
- KUNIT_ASSERT_TRUE(test, dp_tunnel1 != NULL);
+ KUNIT_ASSERT_NOT_NULL(test, dp_tunnel1);
KUNIT_ASSERT_EQ(test, dp_tunnel1->npaths, (size_t)3);
path = dp_tunnel1->paths[0];
@@ -2374,7 +2374,7 @@ static struct tb_tunnel *TB_TEST_DP_TUNNEL2(struct kunit *test,
in = &host->ports[6];
out = &dev->ports[14];
dp_tunnel2 = tb_tunnel_alloc_dp(NULL, in, out, 1, 0, 0);
- KUNIT_ASSERT_TRUE(test, dp_tunnel2 != NULL);
+ KUNIT_ASSERT_NOT_NULL(test, dp_tunnel2);
KUNIT_ASSERT_EQ(test, dp_tunnel2->npaths, (size_t)3);
path = dp_tunnel2->paths[0];
@@ -2411,7 +2411,7 @@ static struct tb_tunnel *TB_TEST_USB3_TUNNEL(struct kunit *test,
down = &host->ports[12];
up = &dev->ports[16];
usb3_tunnel = tb_tunnel_alloc_usb3(NULL, up, down, 0, 0);
- KUNIT_ASSERT_TRUE(test, usb3_tunnel != NULL);
+ KUNIT_ASSERT_NOT_NULL(test, usb3_tunnel);
KUNIT_ASSERT_EQ(test, usb3_tunnel->npaths, (size_t)2);
path = usb3_tunnel->paths[0];
@@ -2441,7 +2441,7 @@ static struct tb_tunnel *TB_TEST_DMA_TUNNEL1(struct kunit *test,
nhi = &host->ports[7];
port = &dev->ports[3];
dma_tunnel1 = tb_tunnel_alloc_dma(NULL, nhi, port, 8, 1, 8, 1);
- KUNIT_ASSERT_TRUE(test, dma_tunnel1 != NULL);
+ KUNIT_ASSERT_NOT_NULL(test, dma_tunnel1);
KUNIT_ASSERT_EQ(test, dma_tunnel1->npaths, (size_t)2);
path = dma_tunnel1->paths[0];
@@ -2471,7 +2471,7 @@ static struct tb_tunnel *TB_TEST_DMA_TUNNEL2(struct kunit *test,
nhi = &host->ports[7];
port = &dev->ports[3];
dma_tunnel2 = tb_tunnel_alloc_dma(NULL, nhi, port, 9, 2, 9, 2);
- KUNIT_ASSERT_TRUE(test, dma_tunnel2 != NULL);
+ KUNIT_ASSERT_NOT_NULL(test, dma_tunnel2);
KUNIT_ASSERT_EQ(test, dma_tunnel2->npaths, (size_t)2);
path = dma_tunnel2->paths[0];
@@ -2587,50 +2587,50 @@ static void tb_test_property_parse(struct kunit *test)
struct tb_property *p;
dir = tb_property_parse_dir(root_directory, ARRAY_SIZE(root_directory));
- KUNIT_ASSERT_TRUE(test, dir != NULL);
+ KUNIT_ASSERT_NOT_NULL(test, dir);
p = tb_property_find(dir, "foo", TB_PROPERTY_TYPE_TEXT);
- KUNIT_ASSERT_TRUE(test, !p);
+ KUNIT_ASSERT_NULL(test, p);
p = tb_property_find(dir, "vendorid", TB_PROPERTY_TYPE_TEXT);
- KUNIT_ASSERT_TRUE(test, p != NULL);
+ KUNIT_ASSERT_NOT_NULL(test, p);
KUNIT_EXPECT_STREQ(test, p->value.text, "Apple Inc.");
p = tb_property_find(dir, "vendorid", TB_PROPERTY_TYPE_VALUE);
- KUNIT_ASSERT_TRUE(test, p != NULL);
+ KUNIT_ASSERT_NOT_NULL(test, p);
KUNIT_EXPECT_EQ(test, p->value.immediate, 0xa27);
p = tb_property_find(dir, "deviceid", TB_PROPERTY_TYPE_TEXT);
- KUNIT_ASSERT_TRUE(test, p != NULL);
+ KUNIT_ASSERT_NOT_NULL(test, p);
KUNIT_EXPECT_STREQ(test, p->value.text, "Macintosh");
p = tb_property_find(dir, "deviceid", TB_PROPERTY_TYPE_VALUE);
- KUNIT_ASSERT_TRUE(test, p != NULL);
+ KUNIT_ASSERT_NOT_NULL(test, p);
KUNIT_EXPECT_EQ(test, p->value.immediate, 0xa);
p = tb_property_find(dir, "missing", TB_PROPERTY_TYPE_DIRECTORY);
- KUNIT_ASSERT_TRUE(test, !p);
+ KUNIT_ASSERT_NULL(test, p);
p = tb_property_find(dir, "network", TB_PROPERTY_TYPE_DIRECTORY);
- KUNIT_ASSERT_TRUE(test, p != NULL);
+ KUNIT_ASSERT_NOT_NULL(test, p);
network_dir = p->value.dir;
KUNIT_EXPECT_TRUE(test, uuid_equal(network_dir->uuid, &network_dir_uuid));
p = tb_property_find(network_dir, "prtcid", TB_PROPERTY_TYPE_VALUE);
- KUNIT_ASSERT_TRUE(test, p != NULL);
+ KUNIT_ASSERT_NOT_NULL(test, p);
KUNIT_EXPECT_EQ(test, p->value.immediate, 0x1);
p = tb_property_find(network_dir, "prtcvers", TB_PROPERTY_TYPE_VALUE);
- KUNIT_ASSERT_TRUE(test, p != NULL);
+ KUNIT_ASSERT_NOT_NULL(test, p);
KUNIT_EXPECT_EQ(test, p->value.immediate, 0x1);
p = tb_property_find(network_dir, "prtcrevs", TB_PROPERTY_TYPE_VALUE);
- KUNIT_ASSERT_TRUE(test, p != NULL);
+ KUNIT_ASSERT_NOT_NULL(test, p);
KUNIT_EXPECT_EQ(test, p->value.immediate, 0x1);
p = tb_property_find(network_dir, "prtcstns", TB_PROPERTY_TYPE_VALUE);
- KUNIT_ASSERT_TRUE(test, p != NULL);
+ KUNIT_ASSERT_NOT_NULL(test, p);
KUNIT_EXPECT_EQ(test, p->value.immediate, 0x0);
p = tb_property_find(network_dir, "deviceid", TB_PROPERTY_TYPE_VALUE);
@@ -2649,7 +2649,7 @@ static void tb_test_property_format(struct kunit *test)
int ret, i;
dir = tb_property_parse_dir(root_directory, ARRAY_SIZE(root_directory));
- KUNIT_ASSERT_TRUE(test, dir != NULL);
+ KUNIT_ASSERT_NOT_NULL(test, dir);
ret = tb_property_format_dir(dir, NULL, 0);
KUNIT_ASSERT_EQ(test, ret, ARRAY_SIZE(root_directory));
@@ -2657,7 +2657,7 @@ static void tb_test_property_format(struct kunit *test)
block_len = ret;
block = kunit_kzalloc(test, block_len * sizeof(u32), GFP_KERNEL);
- KUNIT_ASSERT_TRUE(test, block != NULL);
+ KUNIT_ASSERT_NOT_NULL(test, block);
ret = tb_property_format_dir(dir, block, block_len);
KUNIT_EXPECT_EQ(test, ret, 0);
@@ -2675,10 +2675,10 @@ static void compare_dirs(struct kunit *test, struct tb_property_dir *d1,
int n1, n2, i;
if (d1->uuid) {
- KUNIT_ASSERT_TRUE(test, d2->uuid != NULL);
+ KUNIT_ASSERT_NOT_NULL(test, d2->uuid);
KUNIT_ASSERT_TRUE(test, uuid_equal(d1->uuid, d2->uuid));
} else {
- KUNIT_ASSERT_TRUE(test, d2->uuid == NULL);
+ KUNIT_ASSERT_NULL(test, d2->uuid);
}
n1 = 0;
@@ -2697,9 +2697,9 @@ static void compare_dirs(struct kunit *test, struct tb_property_dir *d1,
p2 = NULL;
for (i = 0; i < n1; i++) {
p1 = tb_property_get_next(d1, p1);
- KUNIT_ASSERT_TRUE(test, p1 != NULL);
+ KUNIT_ASSERT_NOT_NULL(test, p1);
p2 = tb_property_get_next(d2, p2);
- KUNIT_ASSERT_TRUE(test, p2 != NULL);
+ KUNIT_ASSERT_NOT_NULL(test, p2);
KUNIT_ASSERT_STREQ(test, &p1->key[0], &p2->key[0]);
KUNIT_ASSERT_EQ(test, p1->type, p2->type);
@@ -2707,14 +2707,14 @@ static void compare_dirs(struct kunit *test, struct tb_property_dir *d1,
switch (p1->type) {
case TB_PROPERTY_TYPE_DIRECTORY:
- KUNIT_ASSERT_TRUE(test, p1->value.dir != NULL);
- KUNIT_ASSERT_TRUE(test, p2->value.dir != NULL);
+ KUNIT_ASSERT_NOT_NULL(test, p1->value.dir);
+ KUNIT_ASSERT_NOT_NULL(test, p2->value.dir);
compare_dirs(test, p1->value.dir, p2->value.dir);
break;
case TB_PROPERTY_TYPE_DATA:
- KUNIT_ASSERT_TRUE(test, p1->value.data != NULL);
- KUNIT_ASSERT_TRUE(test, p2->value.data != NULL);
+ KUNIT_ASSERT_NOT_NULL(test, p1->value.data);
+ KUNIT_ASSERT_NOT_NULL(test, p2->value.data);
KUNIT_ASSERT_TRUE(test,
!memcmp(p1->value.data, p2->value.data,
p1->length * 4)
@@ -2722,8 +2722,8 @@ static void compare_dirs(struct kunit *test, struct tb_property_dir *d1,
break;
case TB_PROPERTY_TYPE_TEXT:
- KUNIT_ASSERT_TRUE(test, p1->value.text != NULL);
- KUNIT_ASSERT_TRUE(test, p2->value.text != NULL);
+ KUNIT_ASSERT_NOT_NULL(test, p1->value.text);
+ KUNIT_ASSERT_NOT_NULL(test, p2->value.text);
KUNIT_ASSERT_STREQ(test, p1->value.text, p2->value.text);
break;
@@ -2745,10 +2745,10 @@ static void tb_test_property_copy(struct kunit *test)
int ret, i;
src = tb_property_parse_dir(root_directory, ARRAY_SIZE(root_directory));
- KUNIT_ASSERT_TRUE(test, src != NULL);
+ KUNIT_ASSERT_NOT_NULL(test, src);
dst = tb_property_copy_dir(src);
- KUNIT_ASSERT_TRUE(test, dst != NULL);
+ KUNIT_ASSERT_NOT_NULL(test, dst);
/* Compare the structures */
compare_dirs(test, src, dst);
@@ -2758,7 +2758,7 @@ static void tb_test_property_copy(struct kunit *test)
KUNIT_ASSERT_EQ(test, ret, ARRAY_SIZE(root_directory));
block = kunit_kzalloc(test, sizeof(root_directory), GFP_KERNEL);
- KUNIT_ASSERT_TRUE(test, block != NULL);
+ KUNIT_ASSERT_NOT_NULL(test, block);
ret = tb_property_format_dir(dst, block, ARRAY_SIZE(root_directory));
KUNIT_EXPECT_TRUE(test, !ret);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.