On 5/2/25 6:27 AM, Shameer Kolothum wrote:
From: Nicolin Chen <nicol...@nvidia.com>
This is useful as the subsequent support for new SMMUv3 dev will also
use the same.
Signed-off-by: Nicolin Chen <nicol...@nvidia.com>
Signed-off-by: Shameer Kolothum <shameerali.kolothum.th...@huawei.com>
---
hw/arm/virt.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/hw/arm/virt.c b/hw/arm/virt.c
index 464e84ae67..e178282d71 100644
--- a/hw/arm/virt.c
+++ b/hw/arm/virt.c
@@ -147,6 +147,9 @@ static void arm_virt_compat_set(MachineClass *mc)
#define LEGACY_RAMLIMIT_GB 255
#define LEGACY_RAMLIMIT_BYTES (LEGACY_RAMLIMIT_GB * GiB)
+/* MMIO region size for SMMUv3 */
+#define SMMU_IO_LEN 0x20000
+
/* Addresses and sizes of our components.
* 0..128MB is space for a flash device so we can run bootrom code such as
UEFI.
* 128MB..256MB is used for miscellaneous device I/O.
@@ -178,7 +181,7 @@ static const MemMapEntry base_memmap[] = {
[VIRT_FW_CFG] = { 0x09020000, 0x00000018 },
[VIRT_GPIO] = { 0x09030000, 0x00001000 },
[VIRT_UART1] = { 0x09040000, 0x00001000 },
- [VIRT_SMMU] = { 0x09050000, 0x00020000 },
+ [VIRT_SMMU] = { 0x09050000, SMMU_IO_LEN },
[VIRT_PCDIMM_ACPI] = { 0x09070000, MEMORY_HOTPLUG_IO_LEN },
[VIRT_ACPI_GED] = { 0x09080000, ACPI_GED_EVT_SEL_LEN },
[VIRT_NVDIMM_ACPI] = { 0x09090000, NVDIMM_ACPI_IO_LEN},
@@ -1453,7 +1456,6 @@ static void create_smmu(const VirtMachineState *vms,
int irq = vms->irqmap[VIRT_SMMU];
int i;
hwaddr base = vms->memmap[VIRT_SMMU].base;
- hwaddr size = vms->memmap[VIRT_SMMU].size;
DeviceState *dev;
if (vms->iommu != VIRT_IOMMU_SMMUV3 || !vms->iommu_phandle) {
@@ -1473,7 +1475,7 @@ static void create_smmu(const VirtMachineState *vms,
sysbus_connect_irq(SYS_BUS_DEVICE(dev), i,
qdev_get_gpio_in(vms->gic, irq + i));
}
- create_smmuv3_dt_bindings(vms, base, size, irq);
+ create_smmuv3_dt_bindings(vms, base, SMMU_IO_LEN, irq);
}
static void create_virtio_iommu_dt_bindings(VirtMachineState *vms)
Reviewed-by: Donald Dutile <ddut...@redhat.com>
