hvc_iucv.c File Reference

#include <linux/types.h>
#include <linux/slab.h>
#include <asm/ebcdic.h>
#include <linux/ctype.h>
#include <linux/delay.h>
#include <linux/device.h>
#include <linux/init.h>
#include <linux/mempool.h>
#include <linux/moduleparam.h>
#include <linux/tty.h>
#include <linux/wait.h>
#include <net/iucv/iucv.h>
#include "hvc_console.h"

Go to the source code of this file.

Data Structures
struct	iucv_tty_msg
struct	hvc_iucv_private
struct	iucv_tty_buffer

Macros
#define	KMSG_COMPONENT   "hvc_iucv"
#define	pr_fmt(fmt)   KMSG_COMPONENT ": " fmt
#define	HVC_IUCV_MAGIC   0xc9e4c3e5
#define	MAX_HVC_IUCV_LINES   HVC_ALLOC_TTY_ADAPTERS
#define	MEMPOOL_MIN_NR   (PAGE_SIZE / sizeof(struct iucv_tty_buffer)/4)
#define	MSG_VERSION   0x02 /* Message version */
#define	MSG_TYPE_ERROR   0x01 /* Error message */
#define	MSG_TYPE_TERMENV   0x02 /* Terminal environment variable */
#define	MSG_TYPE_TERMIOS   0x04 /* Terminal IO struct update */
#define	MSG_TYPE_WINSIZE   0x08 /* Terminal window size update */
#define	MSG_TYPE_DATA   0x10 /* Terminal data */
#define	MSG_MAX_DATALEN   ((u16)(~0))
#define	MSG_SIZE(s)   ((s) + offsetof(struct iucv_tty_msg, data))
#define	SNDBUF_SIZE   (PAGE_SIZE) /* must be < MSG_MAX_DATALEN */
#define	QUEUE_SNDBUF_DELAY   (HZ / 25)
#define	IUCV_HVC_CON_IDX   (0)
#define	MAX_VMID_FILTER   (500)
#define	param_check_vmidfilter(name, p)   __param_check(name, p, void)

Enumerations
enum	iucv_state_t { IUCV_DISCONN = 0, IUCV_CONNECTED = 1, IUCV_SEVERED = 2 }
enum	tty_state_t { TTY_CLOSED = 0, TTY_OPENED = 1 }

Functions
struct iucv_tty_msg	__attribute__ ((packed))
struct hvc_iucv_private *	hvc_iucv_get_private (uint32_t num)
	device_initcall (hvc_iucv_init)
	__setup ("hvc_iucv=", hvc_iucv_config)
	core_param (hvc_iucv_allow, hvc_iucv_filter, vmidfilter, 0640)

Variables
u8	version
u8	type
u16	datalen
u8	data []
enum iucv_state_t	__attribute__

Macro Definition Documentation

#define HVC_IUCV_MAGIC   0xc9e4c3e5

Definition at line 31 of file hvc_iucv.c.

#define IUCV_HVC_CON_IDX   (0)

Definition at line 101 of file hvc_iucv.c.

#define KMSG_COMPONENT   "hvc_iucv"

Definition at line 11 of file hvc_iucv.c.

#define MAX_HVC_IUCV_LINES   HVC_ALLOC_TTY_ADAPTERS

Definition at line 32 of file hvc_iucv.c.

#define MAX_VMID_FILTER   (500)

Definition at line 103 of file hvc_iucv.c.

#define MEMPOOL_MIN_NR   (PAGE_SIZE / sizeof(struct iucv_tty_buffer)/4)

Definition at line 33 of file hvc_iucv.c.

#define MSG_MAX_DATALEN   ((u16)(~0))

Definition at line 52 of file hvc_iucv.c.

#define MSG_SIZE

(

s

)

((s) + offsetof(struct iucv_tty_msg, data))

Definition at line 50 of file hvc_iucv.c.

#define MSG_TYPE_DATA   0x10 /* Terminal data */

Definition at line 41 of file hvc_iucv.c.

#define MSG_TYPE_ERROR   0x01 /* Error message */

Definition at line 37 of file hvc_iucv.c.

#define MSG_TYPE_TERMENV   0x02 /* Terminal environment variable */

Definition at line 38 of file hvc_iucv.c.

#define MSG_TYPE_TERMIOS   0x04 /* Terminal IO struct update */

Definition at line 39 of file hvc_iucv.c.

#define MSG_TYPE_WINSIZE   0x08 /* Terminal window size update */

Definition at line 40 of file hvc_iucv.c.

#define MSG_VERSION   0x02 /* Message version */

Definition at line 36 of file hvc_iucv.c.

#define param_check_vmidfilter	(		name,
			p
	)		__param_check(name, p, void)

Definition at line 1204 of file hvc_iucv.c.

#define pr_fmt

(

fmt

)

KMSG_COMPONENT ": " fmt

Definition at line 12 of file hvc_iucv.c.

#define QUEUE_SNDBUF_DELAY   (HZ / 25)

Definition at line 74 of file hvc_iucv.c.

#define SNDBUF_SIZE   (PAGE_SIZE) /* must be < MSG_MAX_DATALEN */

Definition at line 71 of file hvc_iucv.c.

Enumeration Type Documentation

enum iucv_state_t

Enumerator:

IUCV_DISCONN
IUCV_CONNECTED
IUCV_SEVERED

Definition at line 52 of file hvc_iucv.c.

enum tty_state_t

Enumerator:

TTY_CLOSED
TTY_OPENED

Definition at line 58 of file hvc_iucv.c.

Function Documentation

struct iucv_tty_msg __attribute__ ( (packed)  )

read

mcontroller : adapter info structure for old mimd_t apps

: base address : irq number : number of logical drives : pci bus : pci device : pci function : pci id : vendor id : slot number : unique id

Definition at line 171 of file esd_usb2.c.

__setup

(

)

core_param	(	hvc_iucv_allow	,
		hvc_iucv_filter	,
		vmidfilter	,
		0640
	)

device_initcall

(

hvc_iucv_init

)

struct hvc_iucv_private* hvc_iucv_get_private ( uint32_t  num )

read

hvc_iucv_get_private() - Return a struct hvc_iucv_private instance. : The HVC virtual terminal number (vtermno)

This function returns the struct hvc_iucv_private instance that corresponds to the HVC virtual terminal number specified as parameter .

Definition at line 129 of file hvc_iucv.c.

Variable Documentation

enum iucv_state_t __attribute__

u8 data[]

Definition at line 54 of file hvc_iucv.c.

u16 datalen

Definition at line 53 of file hvc_iucv.c.

u8 type

Definition at line 51 of file hvc_iucv.c.

u8 version

Definition at line 50 of file hvc_iucv.c.