hw/riscv/riscv-iommu: implement reset protocol

Add a riscv_iommu_reset() helper in the base emulation code that
implements the expected reset behavior as defined by the riscv-iommu
spec.

Devices can then use this helper in their own reset callbacks.

Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20241106133407.604587-7-dbarboza@ventanamicro.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

1 files changed, 4 insertions, 2 deletions

diff --git a/include/hw/riscv/iommu.h b/include/hw/riscv/iommu.h
index 8a8acfc3f0..b03339d75c 100644
--- a/include/hw/riscv/iommu.h
+++ b/include/hw/riscv/iommu.h
@@ -30,12 +30,14 @@ typedef struct RISCVIOMMUState RISCVIOMMUState;
 typedef struct RISCVIOMMUSpace RISCVIOMMUSpace;
 
 #define TYPE_RISCV_IOMMU_PCI "riscv-iommu-pci"
-OBJECT_DECLARE_SIMPLE_TYPE(RISCVIOMMUStatePci, RISCV_IOMMU_PCI)
+OBJECT_DECLARE_TYPE(RISCVIOMMUStatePci, RISCVIOMMUPciClass, RISCV_IOMMU_PCI)
 typedef struct RISCVIOMMUStatePci RISCVIOMMUStatePci;
+typedef struct RISCVIOMMUPciClass RISCVIOMMUPciClass;
 
 #define TYPE_RISCV_IOMMU_SYS "riscv-iommu-device"
-OBJECT_DECLARE_SIMPLE_TYPE(RISCVIOMMUStateSys, RISCV_IOMMU_SYS)
+OBJECT_DECLARE_TYPE(RISCVIOMMUStateSys, RISCVIOMMUSysClass, RISCV_IOMMU_SYS)
 typedef struct RISCVIOMMUStateSys RISCVIOMMUStateSys;
+typedef struct RISCVIOMMUSysClass RISCVIOMMUSysClass;
 
 #define FDT_IRQ_TYPE_EDGE_LOW 1