Corrected default size of PCIe Cap Structure from 0x3c to 0x34.
0x34 is min size for version 2 Cap Structure for an endpoint.
0x3c value failed on a real device that aligned this
structure at 0xcc, exceeding the size of the config_map[]
by 8 bytes.
Signed-off-by: Donald Dutile <ddutile@xxxxxxxxxx>
cc: Alex Williamson <alex.williamson@xxxxxxxxxx>
cc: Michael S. Tsirkin <mst@xxxxxxxxxx>
---
hw/device-assignment.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/hw/device-assignment.c b/hw/device-assignment.c
index 36ad6b0..1d2ee5d 100644
--- a/hw/device-assignment.c
+++ b/hw/device-assignment.c
@@ -1422,12 +1422,14 @@ static int assigned_device_pci_cap_init(PCIDevice *pci_dev)
uint8_t version;
uint16_t type, devctl, lnkcap, lnksta;
uint32_t devcap;
- int size = 0x3c; /* version 2 size */
version = pci_get_byte(pci_dev->config + pos + PCI_EXP_FLAGS);
version &= PCI_EXP_FLAGS_VERS;
if (version == 1) {
size = 0x14;
+ } else if (version == 2) {
+ /* don't include slot cap/stat/ctrl 2 regs; only support endpoints */
+ size = 0x34;
} else if (version > 2) {
fprintf(stderr, "Unsupported PCI express capability version %d\n",
version);
--
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