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-rw-r--r--hw/npu2-opencapi.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/hw/npu2-opencapi.c b/hw/npu2-opencapi.c
index 6d36c5b..2f66aca 100644
--- a/hw/npu2-opencapi.c
+++ b/hw/npu2-opencapi.c
@@ -1523,7 +1523,7 @@ static int64_t npu2_opencapi_set_pe(struct phb *phb,
uint8_t __unused bcompare,
uint8_t __unused dcompare,
uint8_t __unused fcompare,
- uint8_t __unused action)
+ uint8_t action)
{
struct npu2_dev *dev = phb_to_npu2_dev_ocapi(phb);
/*
@@ -1535,6 +1535,11 @@ static int64_t npu2_opencapi_set_pe(struct phb *phb,
* functions on the device, the OS can define many PEs, we
* only keep one, the OS will handle it.
*/
+ if (action != OPAL_MAP_PE && action != OPAL_UNMAP_PE)
+ return OPAL_PARAMETER;
+
+ if (action == OPAL_UNMAP_PE)
+ pe_num = -1;
dev->linux_pe = pe_num;
return OPAL_SUCCESS;
}