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-rw-r--r--drivers/misc/swap_case.c9
-rw-r--r--test/dm/pci.c20
2 files changed, 29 insertions, 0 deletions
diff --git a/drivers/misc/swap_case.c b/drivers/misc/swap_case.c
index bffb809f14d..fa608cec1b9 100644
--- a/drivers/misc/swap_case.c
+++ b/drivers/misc/swap_case.c
@@ -124,12 +124,21 @@ static int sandbox_swap_case_read_config(struct udevice *emul, uint offset,
case PCI_CAP_ID_PM_OFFSET:
*valuep = (PCI_CAP_ID_EXP_OFFSET << 8) | PCI_CAP_ID_PM;
break;
+ case PCI_CAP_ID_PM_OFFSET + PCI_CAP_LIST_NEXT:
+ *valuep = PCI_CAP_ID_EXP_OFFSET;
+ break;
case PCI_CAP_ID_EXP_OFFSET:
*valuep = (PCI_CAP_ID_MSIX_OFFSET << 8) | PCI_CAP_ID_EXP;
break;
+ case PCI_CAP_ID_EXP_OFFSET + PCI_CAP_LIST_NEXT:
+ *valuep = PCI_CAP_ID_MSIX_OFFSET;
+ break;
case PCI_CAP_ID_MSIX_OFFSET:
*valuep = PCI_CAP_ID_MSIX;
break;
+ case PCI_CAP_ID_MSIX_OFFSET + PCI_CAP_LIST_NEXT:
+ *valuep = 0;
+ break;
case PCI_EXT_CAP_ID_ERR_OFFSET:
*valuep = (PCI_EXT_CAP_ID_VC_OFFSET << 20) | PCI_EXT_CAP_ID_ERR;
break;
diff --git a/test/dm/pci.c b/test/dm/pci.c
index a1dedd84a74..a1febd54b7f 100644
--- a/test/dm/pci.c
+++ b/test/dm/pci.c
@@ -211,6 +211,16 @@ static int dm_test_pci_cap(struct unit_test_state *uts)
cap = dm_pci_find_capability(swap, PCI_CAP_ID_PCIX);
ut_asserteq(0, cap);
+ /* look up PCI_CAP_ID_MSIX starting from PCI_CAP_ID_PM_OFFSET */
+ cap = dm_pci_find_next_capability(swap, PCI_CAP_ID_PM_OFFSET,
+ PCI_CAP_ID_MSIX);
+ ut_asserteq(PCI_CAP_ID_MSIX_OFFSET, cap);
+
+ /* look up PCI_CAP_ID_VNDR starting from PCI_CAP_ID_EXP_OFFSET */
+ cap = dm_pci_find_next_capability(swap, PCI_CAP_ID_EXP_OFFSET,
+ PCI_CAP_ID_VNDR);
+ ut_asserteq(0, cap);
+
ut_assertok(uclass_get_device_by_seq(UCLASS_PCI, 1, &bus));
ut_assertok(dm_pci_bus_find_bdf(PCI_BDF(1, 0x08, 0), &swap));
@@ -222,6 +232,16 @@ static int dm_test_pci_cap(struct unit_test_state *uts)
cap = dm_pci_find_ext_capability(swap, PCI_EXT_CAP_ID_SRIOV);
ut_asserteq(0, cap);
+ /* look up PCI_EXT_CAP_ID_DSN starting from PCI_EXT_CAP_ID_ERR_OFFSET */
+ cap = dm_pci_find_next_ext_capability(swap, PCI_EXT_CAP_ID_ERR_OFFSET,
+ PCI_EXT_CAP_ID_DSN);
+ ut_asserteq(PCI_EXT_CAP_ID_DSN_OFFSET, cap);
+
+ /* look up PCI_EXT_CAP_ID_RCRB starting from PCI_EXT_CAP_ID_VC_OFFSET */
+ cap = dm_pci_find_next_ext_capability(swap, PCI_EXT_CAP_ID_VC_OFFSET,
+ PCI_EXT_CAP_ID_RCRB);
+ ut_asserteq(0, cap);
+
return 0;
}
DM_TEST(dm_test_pci_cap, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);