diff options
| author | Cai, Xianglei <xianglei.cai@intel.com> | 2023-09-21 11:57:40 +0800 |
|---|---|---|
| committer | mergify[bot] <37929162+mergify[bot]@users.noreply.github.com> | 2023-09-25 03:45:15 +0000 |
| commit | d11f0ea045f598e08b414eeba4f8a74ac1b4ca0b (patch) | |
| tree | 0815cc916185ca1ddd7b545e6086675f61c0c302 /MdeModulePkg | |
| parent | 43dcf453fc15ca152945ca41dcce7f2f43a14313 (diff) | |
| download | edk2-d11f0ea045f598e08b414eeba4f8a74ac1b4ca0b.tar.gz | |
MdeModulePkg/XhciDxe: Abort the Address Device cmd when time out
https://bugzilla.tianocore.org/show_bug.cgi?id=4552
Following XHCI spec 4.6.1.2, software may abort the
execution of Address Device Command when command failed
due to timeout.
Cc: Hao A Wu <hao.a.wu@intel.com>
Cc: Ray Ni <ray.ni@intel.com>
Cc: Jian J Wang <jian.j.wang@intel.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Cc: More Shih <more.shih@intel.com>
Cc: Jenny Huang <jenny.huang@intel.com>
Signed-off-by: Xianglei Cai <xianglei.cai@intel.com>
Reviewed-by: Hao A Wu <hao.a.wu@intel.com>
Diffstat (limited to 'MdeModulePkg')
| -rw-r--r-- | MdeModulePkg/Bus/Pci/XhciDxe/XhciSched.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/MdeModulePkg/Bus/Pci/XhciDxe/XhciSched.c b/MdeModulePkg/Bus/Pci/XhciDxe/XhciSched.c index 613b1485f1..7542782049 100644 --- a/MdeModulePkg/Bus/Pci/XhciDxe/XhciSched.c +++ b/MdeModulePkg/Bus/Pci/XhciDxe/XhciSched.c @@ -2108,6 +2108,26 @@ RingIntTransferDoorBell ( }
/**
+ Set Command abort
+
+ @param Xhc The XHCI Instance.
+ @param SlotId The slot id to be disabled.
+
+**/
+VOID
+XhcCmdRingCmdAbort (
+ IN USB_XHCI_INSTANCE *Xhc,
+ IN UINT8 SlotId
+ )
+{
+ //
+ // Set XHC_CRCR_CA bit in XHC_CRCR_OFFSET to abort command.
+ //
+ DEBUG ((DEBUG_INFO, "Command Ring Control set Command Abort, SlotId: %d\n", SlotId));
+ XhcSetOpRegBit (Xhc, XHC_CRCR_OFFSET, XHC_CRCR_CA);
+}
+
+/**
Assign and initialize the device slot for a new device.
@param Xhc The XHCI Instance.
@@ -2317,6 +2337,14 @@ XhcInitializeDeviceSlot ( Xhc->UsbDevContext[SlotId].XhciDevAddr = DeviceAddress;
} else {
DEBUG ((DEBUG_ERROR, " Slot %d address not assigned successfully. Status = %r\n", SlotId, Status));
+ //
+ // Software may abort the execution of Address Device Command when command failed
+ // due to timeout by following XHCI spec. 4.6.1.2.
+ //
+ if (Status == EFI_TIMEOUT) {
+ XhcCmdRingCmdAbort (Xhc, SlotId);
+ }
+
XhcDisableSlotCmd (Xhc, SlotId);
}
@@ -2533,6 +2561,14 @@ XhcInitializeDeviceSlot64 ( Xhc->UsbDevContext[SlotId].XhciDevAddr = DeviceAddress;
} else {
DEBUG ((DEBUG_ERROR, " Slot %d address not assigned successfully. Status = %r\n", SlotId, Status));
+ //
+ // Software may abort the execution of Address Device Command when command failed
+ // due to timeout by following XHCI spec. 4.6.1.2.
+ //
+ if (Status == EFI_TIMEOUT) {
+ XhcCmdRingCmdAbort (Xhc, SlotId);
+ }
+
XhcDisableSlotCmd64 (Xhc, SlotId);
}
|