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DM USB: xHCI: add 'chained' field in struct usb_data_xfer_block

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The chained field could help to describe the relationship of USB
data blocks.

Tracked-On: #3054
Signed-off-by: Xiaoguang Wu <xiaoguang.wu@intel.com>
Acked-by: Yu Wang <yu1.wang@intel.com>
This commit is contained in:
Xiaoguang Wu
2019-04-29 10:41:22 +08:00
committed by ACRN System Integration
parent f2e35ab701
commit adaed5c0e3
3 changed files with 5 additions and 0 deletions
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3
devicemodel/hw/pci/xhci.c
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@@ -2875,6 +2875,9 @@ retry:
XHCI_GADDR(xdev, trb->qwTrb0)),
trb->dwTrb2 & 0x1FFFF, (void *)addr,
ccs);
if (trb->dwTrb3 & XHCI_TRB_3_CHAIN_BIT)
xfer_block->chained = 1;
break;
case XHCI_TRB_TYPE_STATUS_STAGE: