---
title: "hv_gic_send_msi(_:_:)"
framework: Hypervisor
role: symbol
role_heading: Function
platforms: [macOS 15.0+]
path: "hypervisor/hv_gic_send_msi(_:_:)"
---

# hv_gic_send_msi(_:_:)

Sends a message signaled interrupt (MSI).

## Declaration

```swift
func hv_gic_send_msi(_ address: hv_ipa_t, _ intid: UInt32) -> hv_return_t
```

## Parameters

- `address`: The guest physical address for message-based shared peripheral interrupts (SPI).
- `intid`: The Interrupt identifier for the message based SPI.

## Return Value

Return Value HV_SUCCESS on success; otherwise, an error code.

## Discussion

Discussion Use the address of the HV_GIC_REG_GICM_SET_SPI_NSR register in the MSI frame.

## See Also

### Sending interrupts

- [hv_gic_set_spi(_:_:)](hypervisor/hv_gic_set_spi(_:_:).md)