include/uapi/linux/usb/tmc.h

Source file repositories/reference/linux-study-clean/include/uapi/linux/usb/tmc.h

File Facts

System
Linux kernel
Corpus path
include/uapi/linux/usb/tmc.h
Extension
.h
Size
4868 bytes
Lines
125
Domain
Core OS
Bucket
Core Kernel Interface
Inferred role
Core OS: implementation source
Status
source implementation candidate

Why This File Exists

Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.

Dependency Surface

Detected Declarations

Annotated Snippet

struct usbtmc_request {
	__u8 bRequestType;
	__u8 bRequest;
	__u16 wValue;
	__u16 wIndex;
	__u16 wLength;
} __attribute__ ((packed));

struct usbtmc_ctrlrequest {
	struct usbtmc_request req;
	void __user *data; /* pointer to user space */
} __attribute__ ((packed));

struct usbtmc_termchar {
	__u8 term_char;
	__u8 term_char_enabled;
} __attribute__ ((packed));

/*
 * usbtmc_message->flags:
 */
#define USBTMC_FLAG_ASYNC		0x0001
#define USBTMC_FLAG_APPEND		0x0002
#define USBTMC_FLAG_IGNORE_TRAILER	0x0004

struct usbtmc_message {
	__u32 transfer_size; /* size of bytes to transfer */
	__u32 transferred; /* size of received/written bytes */
	__u32 flags; /* bit 0: 0 = synchronous; 1 = asynchronous */
	void __user *message; /* pointer to header and data in user space */
} __attribute__ ((packed));

/* Request values for USBTMC driver's ioctl entry point */
#define USBTMC_IOC_NR			91
#define USBTMC_IOCTL_INDICATOR_PULSE	_IO(USBTMC_IOC_NR, 1)
#define USBTMC_IOCTL_CLEAR		_IO(USBTMC_IOC_NR, 2)
#define USBTMC_IOCTL_ABORT_BULK_OUT	_IO(USBTMC_IOC_NR, 3)
#define USBTMC_IOCTL_ABORT_BULK_IN	_IO(USBTMC_IOC_NR, 4)
#define USBTMC_IOCTL_CLEAR_OUT_HALT	_IO(USBTMC_IOC_NR, 6)
#define USBTMC_IOCTL_CLEAR_IN_HALT	_IO(USBTMC_IOC_NR, 7)
#define USBTMC_IOCTL_CTRL_REQUEST	_IOWR(USBTMC_IOC_NR, 8, struct usbtmc_ctrlrequest)
#define USBTMC_IOCTL_GET_TIMEOUT	_IOR(USBTMC_IOC_NR, 9, __u32)
#define USBTMC_IOCTL_SET_TIMEOUT	_IOW(USBTMC_IOC_NR, 10, __u32)
#define USBTMC_IOCTL_EOM_ENABLE	        _IOW(USBTMC_IOC_NR, 11, __u8)
#define USBTMC_IOCTL_CONFIG_TERMCHAR	_IOW(USBTMC_IOC_NR, 12, struct usbtmc_termchar)
#define USBTMC_IOCTL_WRITE		_IOWR(USBTMC_IOC_NR, 13, struct usbtmc_message)
#define USBTMC_IOCTL_READ		_IOWR(USBTMC_IOC_NR, 14, struct usbtmc_message)
#define USBTMC_IOCTL_WRITE_RESULT	_IOWR(USBTMC_IOC_NR, 15, __u32)
#define USBTMC_IOCTL_API_VERSION	_IOR(USBTMC_IOC_NR, 16, __u32)

#define USBTMC488_IOCTL_GET_CAPS	_IOR(USBTMC_IOC_NR, 17, unsigned char)
#define USBTMC488_IOCTL_READ_STB	_IOR(USBTMC_IOC_NR, 18, unsigned char)
#define USBTMC488_IOCTL_REN_CONTROL	_IOW(USBTMC_IOC_NR, 19, unsigned char)
#define USBTMC488_IOCTL_GOTO_LOCAL	_IO(USBTMC_IOC_NR, 20)
#define USBTMC488_IOCTL_LOCAL_LOCKOUT	_IO(USBTMC_IOC_NR, 21)
#define USBTMC488_IOCTL_TRIGGER		_IO(USBTMC_IOC_NR, 22)
#define USBTMC488_IOCTL_WAIT_SRQ	_IOW(USBTMC_IOC_NR, 23, __u32)

#define USBTMC_IOCTL_MSG_IN_ATTR	_IOR(USBTMC_IOC_NR, 24, __u8)
#define USBTMC_IOCTL_AUTO_ABORT		_IOW(USBTMC_IOC_NR, 25, __u8)

#define USBTMC_IOCTL_GET_STB            _IOR(USBTMC_IOC_NR, 26, __u8)
#define USBTMC_IOCTL_GET_SRQ_STB        _IOR(USBTMC_IOC_NR, 27, __u8)

/* Cancel and cleanup asynchronous calls */
#define USBTMC_IOCTL_CANCEL_IO		_IO(USBTMC_IOC_NR, 35)
#define USBTMC_IOCTL_CLEANUP_IO		_IO(USBTMC_IOC_NR, 36)

/* Driver encoded usb488 capabilities */
#define USBTMC488_CAPABILITY_TRIGGER         1
#define USBTMC488_CAPABILITY_SIMPLE          2
#define USBTMC488_CAPABILITY_REN_CONTROL     2
#define USBTMC488_CAPABILITY_GOTO_LOCAL      2
#define USBTMC488_CAPABILITY_LOCAL_LOCKOUT   2
#define USBTMC488_CAPABILITY_488_DOT_2       4
#define USBTMC488_CAPABILITY_DT1             16
#define USBTMC488_CAPABILITY_RL1             32
#define USBTMC488_CAPABILITY_SR1             64
#define USBTMC488_CAPABILITY_FULL_SCPI       128

#endif

Annotation

Implementation Notes