Efiwrapper: fasboot support crashdump to nvme

Signed-off-by: Haoyu Tang <[email protected]> Signed-off-by: Bo He <[email protected]>
projectceladon · Sep 5, 2024 · 7f34bb3 · 7f34bb3
1 parent 26de357
commit 7f34bb3
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Showing 3 changed files with 9 additions and 2 deletions.
diff --git a/drivers/nvme/NvmExpressBlockIo.c b/drivers/nvme/NvmExpressBlockIo.c
@@ -482,8 +482,10 @@ NvmeBlockIoWriteBlocks (
 	if (MediaId != Media->MediaId)
 		return EFI_MEDIA_CHANGED;
 
-	if (Buffer == NULL)
+#ifndef __CRASH_DUMP   // crash dump will dump from the address 0
+	if (Buffer == NULL) //remove this check, allow to write content of zero address to nvme
 		return EFI_INVALID_PARAMETER;
+#endif
 
 	if (BufferSize == 0)
 		return EFI_SUCCESS;

diff --git a/drivers/nvme/NvmExpressPassthru.c b/drivers/nvme/NvmExpressPassthru.c
@@ -635,6 +635,7 @@ NvmExpressPassThru (
 			Status = EFI_SUCCESS;
 		else {
 			Status = EFI_DEVICE_ERROR;
+			DEBUG_NVME ((EFI_D_ERROR, "NvmExpressPassThru:Cq->Sct = %d, Cq->Sc = %d\n",Cq->Sct,Cq->Sc ));
 			//
 			// Copy the Respose Queue entry for this command to the callers response buffer
 			//

diff --git a/libefiwrapper/diskio.c b/libefiwrapper/diskio.c
@@ -134,7 +134,11 @@ diskio_write(_EFI_DISK_IO *This,
 	unsigned char *buf = Buffer, *block;
 	media_t *media;
 
-	if (!This || !Buffer)
+#ifndef __CRASH_DUMP
+	if (!This && !Buffer)
+#else  // crash dump need dump the address 0
+	if (!This)
+#endif
 		return EFI_INVALID_PARAMETER;
 
 	if (!diskio->media)