Interface device_utils.h

The device utils interface provides various helpers to establish different types devices for a given VM instance.

Brief content:

Functions:

vm_install_passthrough_device(vm, device)

vm_install_ram_only_device(vm, device)

vm_install_listening_device(vm, device)

Functions

The interface device_utils.h defines the following functions.

Function vm_install_passthrough_device(vm, device)

Install a passthrough device into a VM

Parameters:

• vm {vm_t *}: A handle to the VM that the device should be install to
• device {const struct device *}: A description of the device

Returns:

• 0 on success, -1 for error

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Function vm_install_ram_only_device(vm, device)

Install a device backed by ram into a VM

Parameters:

• vm {vm_t *}: A handle to the VM that the device should be install to
• device {const struct device *}: A description of the device

Returns:

• 0 on success, -1 for error

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Function vm_install_listening_device(vm, device)

Install a passthrough device into a VM, but trap and print all access

Parameters:

• vm {vm_t *}: A handle to the VM that the device should be install to
• device {const struct device *}: A description of the device

Returns:

• 0 on success, -1 for error

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