Add volatile keyword to NvmExpressPei's Passthru CQ

This applies the volatile keyword and appropriate casts
to the NvmExpressPei's Passthru CQ.

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: Michael Kubacki <mikuback@linux.microsoft.com>
Cc: Sean Brogan <sean.brogan@microsoft.com>
Signed-off-by: Oliver Smith-Denny <osde@linux.microsoft.com>
Reviewed-by: Hao A Wu <hao.a.wu@intel.com>
Acked-by: Michael Kubacki <michael.kubacki@microsoft.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/MdeModulePkg/Bus/Pci/NvmExpressPei/NvmExpressPeiPassThru.c b/MdeModulePkg/Bus/Pci/NvmExpressPei/NvmExpressPeiPassThru.c
index 5081b53cd5..ac9328047f 100644
--- a/MdeModulePkg/Bus/Pci/NvmExpressPei/NvmExpressPeiPassThru.c
+++ b/MdeModulePkg/Bus/Pci/NvmExpressPei/NvmExpressPeiPassThru.c
@@ -115,7 +115,7 @@ NvmeCreatePrpList (
 **/

 EFI_STATUS

 NvmeCheckCqStatus (

-  IN NVME_CQ  *Cq

+  IN volatile NVME_CQ  *Cq

   )

 {

   if ((Cq->Sct == 0x0) && (Cq->Sc == 0x0)) {

@@ -344,7 +344,7 @@ NvmePassThruExecute (
 {

   EFI_STATUS             Status;

   NVME_SQ                *Sq;

-  NVME_CQ                *Cq;

+  volatile NVME_CQ       *Cq;

   UINT8                  QueueId;

   UINTN                  SqSize;

   UINTN                  CqSize;

@@ -617,7 +617,7 @@ NvmePassThruExecute (
   //

   // Copy the Respose Queue entry for this command to the callers response buffer

   //

-  CopyMem (Packet->NvmeCompletion, Cq, sizeof (EFI_NVM_EXPRESS_COMPLETION));

+  CopyMem (Packet->NvmeCompletion, (VOID *)Cq, sizeof (EFI_NVM_EXPRESS_COMPLETION));

 

   //

   // Check the NVMe cmd execution result