diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/thunderbolt/test.c | 98 |
1 files changed, 81 insertions, 17 deletions
diff --git a/drivers/thunderbolt/test.c b/drivers/thunderbolt/test.c index eca0ef311bde..1f69bab236ee 100644 --- a/drivers/thunderbolt/test.c +++ b/drivers/thunderbolt/test.c @@ -2206,23 +2206,13 @@ static void tb_test_credit_alloc_dma_multiple(struct kunit *test) tb_tunnel_free(tunnel2); } -static void tb_test_credit_alloc_all(struct kunit *test) +static struct tb_tunnel *TB_TEST_PCIE_TUNNEL(struct kunit *test, + struct tb_switch *host, struct tb_switch *dev) { - struct tb_port *up, *down, *in, *out, *nhi, *port; - struct tb_tunnel *pcie_tunnel, *dp_tunnel1, *dp_tunnel2, *usb3_tunnel; - struct tb_tunnel *dma_tunnel1, *dma_tunnel2; - struct tb_switch *host, *dev; + struct tb_port *up, *down; + struct tb_tunnel *pcie_tunnel; struct tb_path *path; - /* - * Create PCIe, 2 x DP, USB 3.x and two DMA tunnels from host to - * device. Expectation is that all these can be established with - * the default credit allocation found in Intel hardware. - */ - - host = alloc_host_usb4(test); - dev = alloc_dev_usb4(test, host, 0x1, true); - down = &host->ports[8]; up = &dev->ports[9]; pcie_tunnel = tb_tunnel_alloc_pci(NULL, up, down); @@ -2243,9 +2233,18 @@ static void tb_test_credit_alloc_all(struct kunit *test) KUNIT_EXPECT_EQ(test, path->hops[1].nfc_credits, 0U); KUNIT_EXPECT_EQ(test, path->hops[1].initial_credits, 64U); + return pcie_tunnel; +} + +static struct tb_tunnel *TB_TEST_DP_TUNNEL1(struct kunit *test, + struct tb_switch *host, struct tb_switch *dev) +{ + struct tb_port *in, *out; + struct tb_tunnel *dp_tunnel1; + struct tb_path *path; + in = &host->ports[5]; out = &dev->ports[13]; - dp_tunnel1 = tb_tunnel_alloc_dp(NULL, in, out, 0, 0); KUNIT_ASSERT_TRUE(test, dp_tunnel1 != NULL); KUNIT_ASSERT_EQ(test, dp_tunnel1->npaths, (size_t)3); @@ -2271,9 +2270,18 @@ static void tb_test_credit_alloc_all(struct kunit *test) KUNIT_EXPECT_EQ(test, path->hops[1].nfc_credits, 0U); KUNIT_EXPECT_EQ(test, path->hops[1].initial_credits, 1U); + return dp_tunnel1; +} + +static struct tb_tunnel *TB_TEST_DP_TUNNEL2(struct kunit *test, + struct tb_switch *host, struct tb_switch *dev) +{ + struct tb_port *in, *out; + struct tb_tunnel *dp_tunnel2; + struct tb_path *path; + in = &host->ports[6]; out = &dev->ports[14]; - dp_tunnel2 = tb_tunnel_alloc_dp(NULL, in, out, 0, 0); KUNIT_ASSERT_TRUE(test, dp_tunnel2 != NULL); KUNIT_ASSERT_EQ(test, dp_tunnel2->npaths, (size_t)3); @@ -2299,6 +2307,16 @@ static void tb_test_credit_alloc_all(struct kunit *test) KUNIT_EXPECT_EQ(test, path->hops[1].nfc_credits, 0U); KUNIT_EXPECT_EQ(test, path->hops[1].initial_credits, 1U); + return dp_tunnel2; +} + +static struct tb_tunnel *TB_TEST_USB3_TUNNEL(struct kunit *test, + struct tb_switch *host, struct tb_switch *dev) +{ + struct tb_port *up, *down; + struct tb_tunnel *usb3_tunnel; + struct tb_path *path; + down = &host->ports[12]; up = &dev->ports[16]; usb3_tunnel = tb_tunnel_alloc_usb3(NULL, up, down, 0, 0); @@ -2319,9 +2337,18 @@ static void tb_test_credit_alloc_all(struct kunit *test) KUNIT_EXPECT_EQ(test, path->hops[1].nfc_credits, 0U); KUNIT_EXPECT_EQ(test, path->hops[1].initial_credits, 32U); + return usb3_tunnel; +} + +static struct tb_tunnel *TB_TEST_DMA_TUNNEL1(struct kunit *test, + struct tb_switch *host, struct tb_switch *dev) +{ + struct tb_port *nhi, *port; + struct tb_tunnel *dma_tunnel1; + struct tb_path *path; + 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_EQ(test, dma_tunnel1->npaths, (size_t)2); @@ -2340,6 +2367,18 @@ static void tb_test_credit_alloc_all(struct kunit *test) KUNIT_EXPECT_EQ(test, path->hops[1].nfc_credits, 0U); KUNIT_EXPECT_EQ(test, path->hops[1].initial_credits, 14U); + return dma_tunnel1; +} + +static struct tb_tunnel *TB_TEST_DMA_TUNNEL2(struct kunit *test, + struct tb_switch *host, struct tb_switch *dev) +{ + struct tb_port *nhi, *port; + struct tb_tunnel *dma_tunnel2; + struct tb_path *path; + + 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_EQ(test, dma_tunnel2->npaths, (size_t)2); @@ -2358,6 +2397,31 @@ static void tb_test_credit_alloc_all(struct kunit *test) KUNIT_EXPECT_EQ(test, path->hops[1].nfc_credits, 0U); KUNIT_EXPECT_EQ(test, path->hops[1].initial_credits, 1U); + return dma_tunnel2; +} + +static void tb_test_credit_alloc_all(struct kunit *test) +{ + struct tb_tunnel *pcie_tunnel, *dp_tunnel1, *dp_tunnel2, *usb3_tunnel; + struct tb_tunnel *dma_tunnel1, *dma_tunnel2; + struct tb_switch *host, *dev; + + /* + * Create PCIe, 2 x DP, USB 3.x and two DMA tunnels from host to + * device. Expectation is that all these can be established with + * the default credit allocation found in Intel hardware. + */ + + host = alloc_host_usb4(test); + dev = alloc_dev_usb4(test, host, 0x1, true); + + pcie_tunnel = TB_TEST_PCIE_TUNNEL(test, host, dev); + dp_tunnel1 = TB_TEST_DP_TUNNEL1(test, host, dev); + dp_tunnel2 = TB_TEST_DP_TUNNEL2(test, host, dev); + usb3_tunnel = TB_TEST_USB3_TUNNEL(test, host, dev); + dma_tunnel1 = TB_TEST_DMA_TUNNEL1(test, host, dev); + dma_tunnel2 = TB_TEST_DMA_TUNNEL2(test, host, dev); + tb_tunnel_free(dma_tunnel2); tb_tunnel_free(dma_tunnel1); tb_tunnel_free(usb3_tunnel); |