L4Re Operating System Framework
Interface and Usage Documentation
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vbus_types.h File Reference

This header file contains descriptions of vbus related data types and constants. More...

#include <l4/sys/types.h>
+ Include dependency graph for vbus_types.h:
+ This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Data Structures

struct  l4vbus_resource_t
 Description of a single vbus resource. More...
 
struct  l4vbus_device_t
 Detailed information about a vbus device. More...
 

Typedefs

typedef l4_mword_t l4vbus_device_handle_t
 Device handle for a device on the vbus.
 
typedef l4_addr_t l4vbus_paddr_t
 Address of resources on the vbus.
 

Enumerations

enum  l4vbus_resource_type_t {
  L4VBUS_RESOURCE_INVALID = 0 , L4VBUS_RESOURCE_IRQ , L4VBUS_RESOURCE_MEM , L4VBUS_RESOURCE_PORT ,
  L4VBUS_RESOURCE_BUS , L4VBUS_RESOURCE_GPIO , L4VBUS_RESOURCE_DMA_DOMAIN , L4VBUS_RESOURCE_MAX
}
 Description of vbus resource types. More...
 
enum  l4vbus_resource_flags_t { L4VBUS_RESOURCE_F_MEM_R = 0x1 , L4VBUS_RESOURCE_F_MEM_W = 0x2 , L4VBUS_RESOURCE_F_MEM_MMIO_READ = 0x2000 , L4VBUS_RESOURCE_F_MEM_MMIO_WRITE = 0x4000 }
 Description of vbus resource flags. More...
 
enum  l4vbus_device_flags_t { L4VBUS_DEVICE_F_CHILDREN = 0x10 }
 Flags describing device properties, see l4vbus_device_t. More...
 

Detailed Description

This header file contains descriptions of vbus related data types and constants.

Definition in file vbus_types.h.

Enumeration Type Documentation

◆ l4vbus_device_flags_t

Flags describing device properties, see l4vbus_device_t.

Enumerator
L4VBUS_DEVICE_F_CHILDREN 

Device has child devices.

Definition at line 82 of file vbus_types.h.

◆ l4vbus_resource_flags_t

Description of vbus resource flags.

Enumerator
L4VBUS_RESOURCE_F_MEM_R 

Memory resource is readable.

L4VBUS_RESOURCE_F_MEM_W 

Memory resource is writeable.

L4VBUS_RESOURCE_F_MEM_MMIO_READ 

Reading needs to be performed using the MMIO space protocol.

L4VBUS_RESOURCE_F_MEM_MMIO_WRITE 

Writing needs to be performed using the MMIO space protocol.

Definition at line 53 of file vbus_types.h.

◆ l4vbus_resource_type_t

Description of vbus resource types.

Enumerator
L4VBUS_RESOURCE_INVALID 

Invalid type.

L4VBUS_RESOURCE_IRQ 

Interrupt resource.

L4VBUS_RESOURCE_MEM 

I/O memory resource.

L4VBUS_RESOURCE_PORT 

I/O port resource (x86 only)

L4VBUS_RESOURCE_BUS 

Bus resource.

L4VBUS_RESOURCE_GPIO 

Gpio resource.

L4VBUS_RESOURCE_DMA_DOMAIN 

DMA domain.

L4VBUS_RESOURCE_MAX 

Maximum resource id.

Definition at line 41 of file vbus_types.h.