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This commit is contained in:
Bernhard Stoeckner
2024-03-19 16:56:28 +01:00
parent 12933b2d3c
commit 3bf16b890c
78 changed files with 1400 additions and 590 deletions
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20
src/nvidia/inc/kernel/gpu/gsp/message_queue_priv.h
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@@ -103,4 +103,24 @@ typedef struct MESSAGE_QUEUE_COLLECTION
#define GSP_MSG_QUEUE_HEADER_SIZE RM_PAGE_SIZE
#define GSP_MSG_QUEUE_HEADER_ALIGN 4 // 2 ^ 4 = 16
/*!
* Calculate 32-bit checksum
*
* This routine assumes that the data is padded out with zeros to the next
* 8-byte alignment, and it is OK to read past the end to the 8-byte alignment.
*/
static NV_INLINE NvU32 _checkSum32(void *pData, NvU32 uLen)
{
NvU64 *p = (NvU64 *)pData;
NvU64 *pEnd = (NvU64 *)((NvUPtr)pData + uLen);
NvU64 checkSum = 0;
NV_ASSERT_CHECKED(uLen > 0);
while (p < pEnd)
checkSum ^= *p++;
return NvU64_HI32(checkSum) ^ NvU64_LO32(checkSum);
}
#endif // _MESSAGE_QUEUE_PRIV_H_