patch-2.4.4 linux/drivers/s390/char/tubio.h

• Lines: 433
• Date: Wed Apr 11 19:02:28 2001
• Orig file: v2.4.3/linux/drivers/s390/char/tubio.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.4.3/linux/drivers/s390/char/tubio.h linux/drivers/s390/char/tubio.h
@@ -0,0 +1,432 @@
+/*
+ *  IBM/3270 Driver -- Copyright (C) 2000 UTS Global LLC
+ *
+ *  tubio.h -- All-Purpose header file
+ *
+ *
+ *
+ *
+ *
+ *  Author:  Richard Hitt
+ */
+#include <linux/config.h>
+
+#include <linux/module.h>
+#include <linux/version.h>
+
+#include <linux/major.h>
+#ifndef IBM_TTY3270_MAJOR
+#  define IBM_TTY3270_MAJOR 212
+#endif /* IBM_TTY3270_MAJOR */
+#ifndef IBM_FS3270_MAJOR
+#  define IBM_FS3270_MAJOR 213
+#endif /* IBM_FS3270_MAJOR */
+
+
+#include <linux/malloc.h>
+#include <asm/irq.h>
+#include <asm/io.h>
+#include <linux/console.h>
+#include <linux/interrupt.h>
+#include <asm/ebcdic.h>
+#include <asm/uaccess.h>
+#include <linux/proc_fs.h>
+
+#define TUB(x) (('3'<<8)|(x))
+#define TUBICMD TUB(3)
+#define TUBOCMD TUB(4)
+#define TUBGETI TUB(7)
+#define TUBGETO TUB(8)
+#define TUBSETMOD TUB(12)
+#define TUBGETMOD TUB(13)
+#define TIOPOLL TUB(32)
+#define TIOPOKE TUB(33)
+#define TIONPOKE TUB(34)
+#define TIOTNORM TUB(35)
+
+/* Local Channel Commands */
+#define TC_WRITE   0x01
+#define TC_EWRITE  0x05
+#define TC_READMOD 0x06
+#define TC_EWRITEA 0x0d
+#define TC_WRITESF 0x11
+
+/* Buffer Control Orders */
+#define TO_SF 0x1d
+#define TO_SBA 0x11
+#define TO_IC 0x13
+#define TO_PT 0x05
+#define TO_RA 0x3c
+#define TO_SFE 0x29
+#define TO_EUA 0x12
+#define TO_MF 0x2c
+#define TO_SA 0x28
+
+/* Field Attribute Bytes */
+#define TF_INPUT 0x40           /* Visible input */
+#define TF_INPUTN 0x4c          /* Invisible input */
+#define TF_INMDT 0xc1           /* Visible, Set-MDT */
+#define TF_LOG 0x60
+#define TF_STAT 0x60
+
+/* Character Attribute Bytes */
+#define TAT_RESET 0x00
+#define TAT_FIELD 0xc0
+#define TAT_EXTHI 0x41
+#define TAT_COLOR 0x42
+#define TAT_CHARS 0x43
+#define TAT_TRANS 0x46
+
+/* Reset value */
+#define TAR_RESET 0x00
+
+/* Color values */
+#define TAC_BLUE 0xf1
+#define TAC_RED 0xf2
+#define TAC_PINK 0xf3
+#define TAC_GREEN 0xf4
+#define TAC_TURQ 0xf5
+#define TAC_YELLOW 0xf6
+#define TAC_WHITE 0xf7
+#define TAC_DEFAULT 0x00
+
+/* Write Control Characters */
+#define TW_NONE 0x40            /* No particular action */
+#define TW_KR 0xc2              /* Keyboard restore */
+#define TW_PLUSALARM 0x04       /* Add this bit for alarm */
+
+/* Attention-ID (AID) Characters */
+#define TA_CLEAR 0x6d
+#define TA_PA2 0x6e
+#define TA_ENTER 0x7d
+/* more to come */
+
+#define MIN(a, b) ((a) < (b)? (a): (b))
+
+#define TUB_BUFADR(adr, cpp) \
+	tty3270_tub_bufadr(tubp, adr, cpp)
+
+#define TUB_EBCASC(addr, nr) codepage_convert(tub_ebcasc, addr, nr)
+#define TUB_ASCEBC(addr, nr) codepage_convert(tub_ascebc, addr, nr)
+
+/*
+ *
+ * General global values for the tube driver
+ *
+ */
+enum tubmode {
+	TBM_LN,                 /* Line mode */
+	TBM_FS,                 /* Fullscreen mode */
+	TBM_FSLN                /* Line mode shelled out of fullscreen */
+};
+enum tubstat {              /* normal-mode status */
+	TBS_RUNNING,            /* none of the following */
+	TBS_MORE,               /* timed "MORE..." in status */
+	TBS_HOLD                /* untimed "HOLDING" in status */
+};
+enum tubcmd {           /* normal-mode actions to do */
+	TBC_CONOPEN,		/* Erase-write the console */
+	TBC_OPEN,               /* Open the tty screen */
+	TBC_UPDATE,             /* Add lines to the log, clear cmdline */
+	TBC_UPDLOG,             /* Add lines to log */
+	TBC_KRUPDLOG,           /* Add lines to log, reset kbd */
+	TBC_CLEAR,              /* Build screen from scratch */
+	TBC_CLRUPDLOG,          /* Do log & status, not cmdline */
+	TBC_UPDSTAT,            /* Do status update only */
+	TBC_CLRINPUT,           /* Clear input area only */
+	TBC_UPDINPUT            /* Update input area only */
+};
+enum tubwhat {          /* echo what= proc actions */
+	TW_BOGUS,               /* Nothing at all */
+	TW_CONFIG               /* Output configuration info */
+};
+
+
+
+
+
+#define TUBMAXMINS      256
+#define TUB_DEV MKDEV(IBM_FS3270_MAJ, 0)        /* Generic /dev/3270/tub */
+#define _GEOM_ROWS 24
+#define _GEOM_COLS 80
+#define GEOM_ROWS (tubp->geom_rows)
+#define GEOM_COLS (tubp->geom_cols)
+#define GEOM_MAXROWS 127
+#define GEOM_MAXCOLS 132
+#define GEOM_INPLEN (GEOM_COLS * 2 - 20)
+#define GEOM_MAXINPLEN (GEOM_MAXCOLS * 2 - 20)
+#define GEOM_INPUT (GEOM_COLS * (GEOM_ROWS - 2) - 1)  /* input atr posn */
+#define GEOM_STAT (GEOM_INPUT + 1 + GEOM_INPLEN)
+#define GEOM_LOG   (GEOM_COLS * GEOM_ROWS - 1)   /* log atr posn */
+#define TS_RUNNING "Linux Running     "
+#define TS_MORE    "Linux More...     "
+#define DEFAULT_SCROLLTIME 5
+#define TS_HOLD    "Linux Holding     "
+/* data length used by tty3270_set_status_area: SBA (3), SF (2), data */
+#define TS_LENGTH (sizeof TS_RUNNING + 3 + 2)
+
+typedef struct {
+	int aid;                        /* What-to-do flags */
+	char *string;                   /* Optional input string */
+} aid_t;
+#define AIDENTRY(ch, tubp)  (&((tubp)->tty_aid[(ch) & 0x3f]))
+
+/* For TUBGETMOD and TUBSETMOD.  Should include. */
+typedef struct tubiocb {
+	short model;
+	short line_cnt;
+	short col_cnt;
+	short pf_cnt;
+	short re_cnt;
+	short map;
+} tubiocb_t;
+
+/* Flags that go in int aid, above */
+#define TA_CLEARKEY     0x01            /* Key does hardware CLEAR */
+#define TA_SHORTREAD    0x02            /* Key does hardware shortread */
+/* If both are off, key does hardware Read Modified. */
+#define TA_DOENTER      0x04            /* Treat key like ENTER */
+#define TA_DOSTRING     0x08            /* Use string and ENTER */
+#define TA_DOSTRINGD    0x10            /* Display string & set MDT */
+#define TA_CLEARLOG     0x20            /* Make key cause clear of log */
+
+/*
+ * Tube driver buffer control block
+ */
+typedef struct bcb_s {
+	char	*bc_buf;		/* Pointer to buffer */
+	int	bc_len;			/* Length of buffer */
+	int	bc_cnt;			/* Count of bytes buffered */
+	int	bc_wr;			/* Posn to write next byte into */
+	int	bc_rd;			/* Posn to read next byte from */
+} bcb_t;
+
+typedef struct tub_s {
+	int             minor;
+	int             irq;
+	int             irqrc;
+	int             devno;
+	int             geom_rows;
+	int             geom_cols;
+	tubiocb_t       tubiocb;
+	int             lnopen;
+	int             fsopen;
+	int             icmd;
+	int             ocmd;
+	devstat_t       devstat;
+	ccw1_t          rccw;
+	ccw1_t          wccw;
+	void            *wbuf;
+	int             cswl;
+	void            (*intv)(struct tub_s *, devstat_t *);
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,3,0))
+	struct wait_queue	*waitq;
+#else
+	wait_queue_head_t waitq;
+#endif
+	int             dstat;
+	sense_t         sense;
+	enum tubmode    mode;
+	enum tubstat    stat;
+	enum tubcmd     cmd;
+	int             flags;		/* See below for values */
+	struct tq_struct tqueue;
+
+	/* Stuff for fs-driver support */
+	pid_t           fs_pid;         /* Pid if TBM_FS */
+
+
+	/* Stuff for tty-driver support */
+	struct tty_struct *tty;
+	char tty_input[GEOM_MAXINPLEN]; /* tty input area */
+	int tty_inattr;         	/* input-area field attribute */
+#define TTY_OUTPUT_SIZE 1024
+	bcb_t tty_bcb;			/* Output buffer control info */
+	int tty_oucol;                  /* Kludge */
+	int tty_nextlogx;               /* next screen-log position */
+	int tty_scrolltime;             /* scrollforward wait time, sec */
+	struct timer_list tty_stimer;   /* timer for scrolltime */
+	aid_t tty_aid[64];              /* Aid descriptors */
+	int tty_aidinit;                /* Boolean */
+	int tty_showaidx;               /* Last aid x to set_aid */
+	int tty_14bitadr;               /* 14-bit bufadrs okay */
+#define MAX_TTY_ESCA 24			/* Set-Attribute-Order array */
+	char tty_esca[MAX_TTY_ESCA];	/* SA array */
+	int tty_escx;			/* Current index within it */
+
+	/* For command recall --- */
+	char *(*tty_rclbufs)[];         /* Array of ptrs to recall bufs */
+	int tty_rclk;                   /* Size of array tty_rclbufs */
+	int tty_rclp;                   /* Index for most-recent cmd */
+	int tty_rclb;                   /* Index for backscrolling */
+
+	/* Work area to contain the hardware write stream */
+	char (*ttyscreen)[];            /* ptr to data stream area */
+	int ttyscreenl;			/* its length */
+	ccw1_t ttyccw;
+} tub_t;
+
+/* values for flags: */
+#define	TUB_WORKING	0x0001
+#define	TUB_BHPENDING	0x0002
+#define	TUB_RDPENDING	0x0004
+#define	TUB_ALARM	0x0008
+#define	TUB_SCROLLTIMING  0x0010
+#define	TUB_ATTN	0x0020
+#define	TUB_IACTIVE	0x0040
+#define	TUB_SIZED	0x0080
+#define	TUB_EXPECT_DE	0x0100
+#define	TUB_UNSOL_DE	0x0200
+#define	TUB_OPEN_STET	0x0400		/* No screen clear on open */
+#define	TUB_UE_BUSY	0x0800
+
+#ifdef CONFIG_3270_CONSOLE
+/*
+ * Extra stuff for 3270 console support
+ */
+#define	S390_CONSOLE_DEV MKDEV(TTY_MAJOR, 64)
+extern int tub3270_con_devno;
+extern char (*tub3270_con_output)[];
+extern int tub3270_con_outputl;
+extern int tub3270_con_ouwr;
+extern int tub3270_con_oucount;
+extern int tub3270_con_irq;
+extern tub_t *tub3270_con_tubp;
+extern struct tty_driver tty3270_con_driver;
+#endif /* CONFIG_3270_CONSOLE */
+
+extern int tubnummins;
+extern tub_t *(*tubminors)[TUBMAXMINS];
+extern tub_t *(*(*tubirqs)[256])[256];
+extern unsigned char tub_ascebc[256];
+extern unsigned char tub_ebcasc[256];
+extern unsigned char tub_ebcgraf[64];
+extern int tubdebug;
+extern int fs3270_major;
+extern int tty3270_major;
+extern int tty3270_proc_misc;
+extern enum tubwhat tty3270_proc_what;
+
+#ifndef spin_trylock_irqsave
+#define spin_trylock_irqsave(lock, flags) \
+({ \
+	int success; \
+	__save_flags(flags); \
+	__cli(); \
+	success = spin_trylock(lock); \
+	if (success == 0) \
+		__restore_flags(flags); \
+	success; \
+})
+#endif /* if not spin_trylock_irqsave */
+
+#ifndef s390irq_spin_trylock_irqsave
+#define s390irq_spin_trylock_irqsave(irq, flags) \
+	spin_trylock_irqsave(&(ioinfo[irq]->irq_lock), flags)
+#endif /* if not s390irq_spin_trylock_irqsave */
+
+#define TUBLOCK(irq, flags) \
+	s390irq_spin_lock_irqsave(irq, flags)
+
+#define TUBTRYLOCK(irq, flags) \
+	s390irq_spin_trylock_irqsave(irq, flags)
+
+#define TUBUNLOCK(irq, flags) \
+	s390irq_spin_unlock_irqrestore(irq, flags)
+
+/*
+ * Find tub_t * given fullscreen device's irq (subchannel number)
+ */
+extern tub_t *tubfindbyirq(int);
+#define IRQ2TUB(irq) tubfindbyirq(irq)
+/*
+ * Find tub_t * given fullscreen device's inode pointer
+ * This algorithm takes into account /dev/3270/tub.
+ */
+#ifdef CONFIG_3270_CONSOLE
+#define INODE2TUB(ip) \
+({ \
+	unsigned int minor; \
+	tub_t *tubp = NULL; \
+	minor = MINOR((ip)->i_rdev); \
+	if (minor == 0 && current->tty != NULL) { \
+		if (tub3270_con_tubp != NULL && \
+		    current->tty->device == S390_CONSOLE_DEV) \
+			minor = tub3270_con_tubp->minor; \
+		else if (MAJOR(current->tty->device) == IBM_TTY3270_MAJOR) \
+			minor = MINOR(current->tty->device); \
+	} \
+	if (minor <= tubnummins && minor > 0) \
+		tubp = (*tubminors)[minor]; \
+	tubp; \
+})
+#else /* not CONFIG_3270_CONSOLE */
+#define INODE2TUB(ip) \
+({ \
+	unsigned int minor; \
+	tub_t *tubp = NULL; \
+	minor = MINOR((ip)->i_rdev); \
+	if (minor == 0 && current->tty != NULL && \
+	    MAJOR(current->tty->device) == IBM_TTY3270_MAJOR) \
+		minor = MINOR(current->tty->device); \
+	if (minor <= tubnummins && minor > 0) \
+		tubp = (*tubminors)[minor]; \
+	tubp; \
+})
+#endif /* CONFIG_3270_CONSOLE or not */
+/*
+ * Find tub_t * given non-fullscreen (tty) device's tty_struct pointer
+ */
+#ifdef CONFIG_3270_CONSOLE
+#define TTY2TUB(tty) \
+({ \
+	unsigned int minor; \
+	tub_t *tubp = NULL; \
+	minor = MINOR(tty->device); \
+	if (tty->device == S390_CONSOLE_DEV) \
+		tubp = tub3270_con_tubp; \
+	else if (minor <= tubnummins && minor > 0) \
+		tubp = (*tubminors)[minor]; \
+	tubp; \
+})
+#else /* if not CONFIG_3270_CONSOLE */
+#define TTY2TUB(tty) \
+({ \
+	unsigned int minor; \
+	tub_t *tubp = NULL; \
+	minor = MINOR(tty->device); \
+	if (minor <= tubnummins && minor > 0) \
+		tubp = (*tubminors)[minor]; \
+	tubp; \
+})
+#endif /* CONFIG_3270_CONSOLE or not */
+
+extern void tub_inc_use_count(void);
+extern void tub_dec_use_count(void);
+extern int tub3270_movedata(bcb_t *, bcb_t *);
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,3,0))
+extern int tubmakemin(int, dev_info_t *);
+#else
+extern int tubmakemin(int, s390_dev_info_t *);
+#endif
+extern int tub3270_con_copy(tub_t *);
+extern int tty3270_rcl_init(tub_t *);
+extern int tty3270_rcl_set(tub_t *, char *, int);
+extern void tty3270_rcl_fini(tub_t *);
+extern int tty3270_rcl_get(tub_t *, char *, int, int);
+extern void tty3270_rcl_put(tub_t *, char *, int);
+extern void tty3270_rcl_sync(tub_t *);
+extern void tty3270_rcl_purge(tub_t *);
+extern int tty3270_rcl_resize(tub_t *, int);
+extern int tty3270_size(tub_t *, int *);
+extern int tty3270_aid_init(tub_t *);
+extern void tty3270_aid_fini(tub_t *);
+extern void tty3270_aid_reinit(tub_t *);
+extern int tty3270_aid_get(tub_t *, int, int *, char **);
+extern int tty3270_aid_set(tub_t *, char *, int);
+extern int tty3270_build(tub_t *);
+extern void tty3270_scl_settimer(tub_t *);
+extern void tty3270_scl_resettimer(tub_t *);
+extern int tty3270_scl_set(tub_t *, char *, int);
+extern int tty3270_scl_init(tub_t *tubp);
+extern void tty3270_scl_fini(tub_t *tubp);