/usr/include/efi/efiser.h is in gnu-efi 3.0i-3ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 | #ifndef _EFI_SER_H
#define _EFI_SER_H
/*++
Copyright (c) 1998 Intel Corporation
Module Name:
efiser.h
Abstract:
EFI serial protocol
Revision History
--*/
//
// Serial protocol
//
#define SERIAL_IO_PROTOCOL \
{ 0xBB25CF6F, 0xF1D4, 0x11D2, {0x9A, 0x0C, 0x00, 0x90, 0x27, 0x3F, 0xC1, 0xFD} }
INTERFACE_DECL(_SERIAL_IO_INTERFACE);
typedef enum {
DefaultParity,
NoParity,
EvenParity,
OddParity,
MarkParity,
SpaceParity
} EFI_PARITY_TYPE;
typedef enum {
DefaultStopBits,
OneStopBit, // 1 stop bit
OneFiveStopBits, // 1.5 stop bits
TwoStopBits // 2 stop bits
} EFI_STOP_BITS_TYPE;
#define EFI_SERIAL_CLEAR_TO_SEND 0x0010 // RO
#define EFI_SERIAL_DATA_SET_READY 0x0020 // RO
#define EFI_SERIAL_RING_INDICATE 0x0040 // RO
#define EFI_SERIAL_CARRIER_DETECT 0x0080 // RO
#define EFI_SERIAL_REQUEST_TO_SEND 0x0002 // WO
#define EFI_SERIAL_DATA_TERMINAL_READY 0x0001 // WO
#define EFI_SERIAL_INPUT_BUFFER_EMPTY 0x0100 // RO
#define EFI_SERIAL_OUTPUT_BUFFER_EMPTY 0x0200 // RO
#define EFI_SERIAL_HARDWARE_LOOPBACK_ENABLE 0x1000 // RW
#define EFI_SERIAL_SOFTWARE_LOOPBACK_ENABLE 0x2000 // RW
#define EFI_SERIAL_HARDWARE_FLOW_CONTROL_ENABLE 0x4000 // RW
typedef
EFI_STATUS
(EFIAPI *EFI_SERIAL_RESET) (
IN struct _SERIAL_IO_INTERFACE *This
);
typedef
EFI_STATUS
(EFIAPI *EFI_SERIAL_SET_ATTRIBUTES) (
IN struct _SERIAL_IO_INTERFACE *This,
IN UINT64 BaudRate,
IN UINT32 ReceiveFifoDepth,
IN UINT32 Timeout,
IN EFI_PARITY_TYPE Parity,
IN UINT8 DataBits,
IN EFI_STOP_BITS_TYPE StopBits
);
typedef
EFI_STATUS
(EFIAPI *EFI_SERIAL_SET_CONTROL_BITS) (
IN struct _SERIAL_IO_INTERFACE *This,
IN UINT32 Control
);
typedef
EFI_STATUS
(EFIAPI *EFI_SERIAL_GET_CONTROL_BITS) (
IN struct _SERIAL_IO_INTERFACE *This,
OUT UINT32 *Control
);
typedef
EFI_STATUS
(EFIAPI *EFI_SERIAL_WRITE) (
IN struct _SERIAL_IO_INTERFACE *This,
IN OUT UINTN *BufferSize,
IN VOID *Buffer
);
typedef
EFI_STATUS
(EFIAPI *EFI_SERIAL_READ) (
IN struct _SERIAL_IO_INTERFACE *This,
IN OUT UINTN *BufferSize,
OUT VOID *Buffer
);
typedef struct {
UINT32 ControlMask;
// current Attributes
UINT32 Timeout;
UINT64 BaudRate;
UINT32 ReceiveFifoDepth;
UINT32 DataBits;
UINT32 Parity;
UINT32 StopBits;
} SERIAL_IO_MODE;
#define SERIAL_IO_INTERFACE_REVISION 0x00010000
typedef struct _SERIAL_IO_INTERFACE {
UINT32 Revision;
EFI_SERIAL_RESET Reset;
EFI_SERIAL_SET_ATTRIBUTES SetAttributes;
EFI_SERIAL_SET_CONTROL_BITS SetControl;
EFI_SERIAL_GET_CONTROL_BITS GetControl;
EFI_SERIAL_WRITE Write;
EFI_SERIAL_READ Read;
SERIAL_IO_MODE *Mode;
} SERIAL_IO_INTERFACE;
#endif
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