Update ResetSystemLib to support powering off bhyve guests instead of
having them enter the CpuDeadLoop.
On bhyve, the Power Management 1 Control Register is located at 0x404;
a write with SLP_TYP set to 5 will power off the guest.
Signed-off-by: Rebecca Cran <rebe...@bsdio.com>
---
OvmfPkg/Include/IndustryStandard/Bhyve.h | 4 ++++
OvmfPkg/Library/ResetSystemLib/ResetSystemLib.c | 6 ++++++
2 files changed, 10 insertions(+)
diff --git a/OvmfPkg/Include/IndustryStandard/Bhyve.h
b/OvmfPkg/Include/IndustryStandard/Bhyve.h
index 950f87048b..ceabc54d59 100644
--- a/OvmfPkg/Include/IndustryStandard/Bhyve.h
+++ b/OvmfPkg/Include/IndustryStandard/Bhyve.h
@@ -18,4 +18,8 @@
#define BHYVE_ACPI_TIMER_IO_ADDR 0x408
+#define BHYVE_PMBASE_VALUE 0x400
+
+#define BHYVE_PCI_DEVICE_ID 0x1275 // NetApp vendor ID
+
#endif // __BHYVE_H__
diff --git a/OvmfPkg/Library/ResetSystemLib/ResetSystemLib.c
b/OvmfPkg/Library/ResetSystemLib/ResetSystemLib.c
index 2f2e1293a3..8d9b9dfcf5 100644
--- a/OvmfPkg/Library/ResetSystemLib/ResetSystemLib.c
+++ b/OvmfPkg/Library/ResetSystemLib/ResetSystemLib.c
@@ -28,6 +28,12 @@ AcpiPmControl (
AcpiPmBaseAddress = 0;
HostBridgeDevId = PciRead16 (OVMF_HOSTBRIDGE_DID);
switch (HostBridgeDevId) {
+ case BHYVE_PCI_DEVICE_ID:
+ AcpiPmBaseAddress = BHYVE_PMBASE_VALUE;
+ // Bhyve needs a value of 5 to enter S5 (power off)
+ if (SuspendType == 0)
+ SuspendType = 5;
+ break;
case INTEL_82441_DEVICE_ID:
AcpiPmBaseAddress = PIIX4_PMBA_VALUE;
break;
--
2.26.1
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