[edk2-devel][PATCH v2 1/2] Add the volatile keyword to NvmExpressDxe's Passthru CQ
Oliver Smith-Denny
osde at linux.microsoft.com
Thu Apr 27 17:36:21 UTC 2023
This updates the relevant functions that expect a non-volatile
structure to be passed to them to take casts of the CQ
now that it is volatile.
Cc: Hao A Wu <hao.a.wu at intel.com>
Cc: Ray Ni <ray.ni at intel.com>
Cc: Jian J Wang <jian.j.wang at intel.com>
Cc: Liming Gao <gaoliming at byosoft.com.cn>
Cc: Michael Kubacki <mikuback at linux.microsoft.com>
Cc: Sean Brogan <sean.brogan at microsoft.com>
Signed-off-by: Oliver Smith-Denny <osde at linux.microsoft.com>
---
MdeModulePkg/Bus/Pci/NvmExpressDxe/NvmExpressPassthru.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/MdeModulePkg/Bus/Pci/NvmExpressDxe/NvmExpressPassthru.c b/MdeModulePkg/Bus/Pci/NvmExpressDxe/NvmExpressPassthru.c
index f37baa626a16..2ff2cb0e8d36 100644
--- a/MdeModulePkg/Bus/Pci/NvmExpressDxe/NvmExpressPassthru.c
+++ b/MdeModulePkg/Bus/Pci/NvmExpressDxe/NvmExpressPassthru.c
@@ -460,7 +460,7 @@ NvmExpressPassThru (
EFI_STATUS PreviousStatus;
EFI_PCI_IO_PROTOCOL *PciIo;
NVME_SQ *Sq;
- NVME_CQ *Cq;
+ volatile NVME_CQ *Cq;
UINT16 QueueId;
UINT16 QueueSize;
UINT32 Bytes;
@@ -815,14 +815,14 @@ NvmExpressPassThru (
// Dump every completion entry status for debugging.
//
DEBUG_CODE_BEGIN ();
- NvmeDumpStatus (Cq);
+ NvmeDumpStatus ((NVME_CQ *)Cq);
DEBUG_CODE_END ();
}
//
// 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));
} else {
//
// Timeout occurs for an NVMe command. Reset the controller to abort the
--
2.40.0
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