diff options
Diffstat (limited to 'include')
29 files changed, 183 insertions, 178 deletions
diff --git a/include/asm-avr32/ioctls.h b/include/asm-avr32/ioctls.h index 0500426b718..0cf2c0a4502 100644 --- a/include/asm-avr32/ioctls.h +++ b/include/asm-avr32/ioctls.h @@ -47,6 +47,10 @@ #define TIOCSBRK 0x5427 /* BSD compatibility */ #define TIOCCBRK 0x5428 /* BSD compatibility */ #define TIOCGSID 0x5429 /* Return the session ID of FD */ +#define TCGETS2 _IOR('T',0x2A, struct termios2) +#define TCSETS2 _IOW('T',0x2B, struct termios2) +#define TCSETSW2 _IOW('T',0x2C, struct termios2) +#define TCSETSF2 _IOW('T',0x2D, struct termios2) #define TIOCGPTN _IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */ #define TIOCSPTLCK _IOW('T',0x31, int) /* Lock/unlock Pty */ diff --git a/include/asm-cris/Kbuild b/include/asm-cris/Kbuild index 17455459c43..b7037d80d46 100644 --- a/include/asm-cris/Kbuild +++ b/include/asm-cris/Kbuild @@ -1,7 +1,8 @@ include include/asm-generic/Kbuild.asm -header-$(CONFIG_ETRAX_ARCH_V10) += arch-v10/ -header-$(CONFIG_ETRAX_ARCH_V32) += arch-v32/ +header-y += arch/ +header-y += arch-v10/ +header-y += arch-v32/ header-y += ethernet.h header-y += rtc.h diff --git a/include/asm-frv/ioctls.h b/include/asm-frv/ioctls.h index 341c7ddef2a..d0c30e31fbd 100644 --- a/include/asm-frv/ioctls.h +++ b/include/asm-frv/ioctls.h @@ -47,6 +47,10 @@ #define TIOCSBRK 0x5427 /* BSD compatibility */ #define TIOCCBRK 0x5428 /* BSD compatibility */ #define TIOCGSID 0x5429 /* Return the session ID of FD */ +#define TCGETS2 _IOR('T',0x2A, struct termios2) +#define TCSETS2 _IOW('T',0x2B, struct termios2) +#define TCSETSW2 _IOW('T',0x2C, struct termios2) +#define TCSETSF2 _IOW('T',0x2D, struct termios2) #define TIOCGPTN _IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */ #define TIOCSPTLCK _IOW('T',0x31, int) /* Lock/unlock Pty */ diff --git a/include/asm-frv/termbits.h b/include/asm-frv/termbits.h index 74851b424d4..5568492b508 100644 --- a/include/asm-frv/termbits.h +++ b/include/asm-frv/termbits.h @@ -141,6 +141,7 @@ struct ktermios { #define HUPCL 0002000 #define CLOCAL 0004000 #define CBAUDEX 0010000 +#define BOTHER 0010000 #define B57600 0010001 #define B115200 0010002 #define B230400 0010003 @@ -156,11 +157,13 @@ struct ktermios { #define B3000000 0010015 #define B3500000 0010016 #define B4000000 0010017 -#define CIBAUD 002003600000 /* input baud rate (not used) */ +#define CIBAUD 002003600000 /* Input baud rate */ #define CTVB 004000000000 /* VisioBraille Terminal flow control */ #define CMSPAR 010000000000 /* mark or space (stick) parity */ #define CRTSCTS 020000000000 /* flow control */ +#define IBSHIFT 16 /* Shift from CBAUD to CIBAUD */ + /* c_lflag bits */ #define ISIG 0000001 #define ICANON 0000002 diff --git a/include/asm-m68k/amigahw.h b/include/asm-m68k/amigahw.h index a16fe4e5a28..5ca5dd951a4 100644 --- a/include/asm-m68k/amigahw.h +++ b/include/asm-m68k/amigahw.h @@ -22,8 +22,6 @@ * Different Amiga models */ -extern unsigned long amiga_model; - #define AMI_UNKNOWN (0) #define AMI_500 (1) #define AMI_500PLUS (2) @@ -59,11 +57,9 @@ extern unsigned long amiga_chipset; */ extern unsigned long amiga_eclock; /* 700 kHz E Peripheral Clock */ -extern unsigned long amiga_masterclock; /* 28 MHz Master Clock */ extern unsigned long amiga_colorclock; /* 3.5 MHz Color Clock */ extern unsigned long amiga_chip_size; /* Chip RAM Size (bytes) */ extern unsigned char amiga_vblank; /* VBLANK Frequency */ -extern unsigned char amiga_psfreq; /* Power Supply Frequency */ #define AMIGAHW_DECLARE(name) unsigned name : 1 diff --git a/include/asm-m68k/amigaints.h b/include/asm-m68k/amigaints.h index 7c8713468fd..b1bcdb835ab 100644 --- a/include/asm-m68k/amigaints.h +++ b/include/asm-m68k/amigaints.h @@ -98,6 +98,8 @@ #define CIA_ICR_ALL 0x1f #define CIA_ICR_SETCLR 0x80 +extern void amiga_init_IRQ(void); + /* to access the interrupt control registers of CIA's use only ** these functions, they behave exactly like the amiga os routines */ diff --git a/include/asm-m68k/apollodma.h b/include/asm-m68k/apollodma.h index 6821e3ba32e..954adc851ad 100644 --- a/include/asm-m68k/apollodma.h +++ b/include/asm-m68k/apollodma.h @@ -1,4 +1,4 @@ -/* $Id: dma.h,v 1.7 1992/12/14 00:29:34 root Exp root $ +/* * linux/include/asm/dma.h: Defines for using and allocating dma channels. * Written by Hennus Bergman, 1992. * High DMA channel support & info by Hannu Savolainen diff --git a/include/asm-m68k/dvma.h b/include/asm-m68k/dvma.h index e1112de5a5e..4fff408d015 100644 --- a/include/asm-m68k/dvma.h +++ b/include/asm-m68k/dvma.h @@ -1,4 +1,4 @@ -/* $Id: dvma.h,v 1.4 1999/03/27 20:23:41 tsbogend Exp $ +/* * include/asm-m68k/dma.h * * Copyright 1995 (C) David S. Miller (davem@caip.rutgers.edu) @@ -63,8 +63,6 @@ static inline int dvma_map_cpu(unsigned long kaddr, unsigned long vaddr, return 0; } -extern unsigned long dvma_page(unsigned long kaddr, unsigned long vaddr); - #else /* Sun3x */ /* sun3x dvma page support */ diff --git a/include/asm-m68k/fpu.h b/include/asm-m68k/fpu.h index 59701d7b4e7..ffb6b8cfc6d 100644 --- a/include/asm-m68k/fpu.h +++ b/include/asm-m68k/fpu.h @@ -7,15 +7,15 @@ */ #if defined(CONFIG_M68020) || defined(CONFIG_M68030) -#define FPSTATESIZE (216/sizeof(unsigned char)) +#define FPSTATESIZE (216) #elif defined(CONFIG_M68040) -#define FPSTATESIZE (96/sizeof(unsigned char)) +#define FPSTATESIZE (96) #elif defined(CONFIG_M68KFPU_EMU) -#define FPSTATESIZE (28/sizeof(unsigned char)) +#define FPSTATESIZE (28) #elif defined(CONFIG_M68060) -#define FPSTATESIZE (12/sizeof(unsigned char)) +#define FPSTATESIZE (12) #else -#define FPSTATESIZE error no_cpu_type_configured +#define FPSTATESIZE (0) #endif #endif /* __M68K_FPU_H */ diff --git a/include/asm-m68k/irq.h b/include/asm-m68k/irq.h index eb29a526059..226bfc0f21b 100644 --- a/include/asm-m68k/irq.h +++ b/include/asm-m68k/irq.h @@ -24,7 +24,7 @@ #elif defined(CONFIG_HP300) #define NR_IRQS 8 #else -#error unknown nr of irqs +#define NR_IRQS 0 #endif /* diff --git a/include/asm-m68k/mac_baboon.h b/include/asm-m68k/mac_baboon.h index e87850830be..c2a042b8c34 100644 --- a/include/asm-m68k/mac_baboon.h +++ b/include/asm-m68k/mac_baboon.h @@ -29,6 +29,4 @@ struct baboon { */ }; -extern volatile struct baboon *baboon; - #endif /* __ASSEMBLY **/ diff --git a/include/asm-m68k/mac_via.h b/include/asm-m68k/mac_via.h index 59b758cd16a..39afb438b65 100644 --- a/include/asm-m68k/mac_via.h +++ b/include/asm-m68k/mac_via.h @@ -253,7 +253,6 @@ extern volatile __u8 *via1,*via2; extern int rbv_present,via_alt_mapping; -extern __u8 rbv_clear; static inline int rbv_set_video_bpp(int bpp) { diff --git a/include/asm-m68k/machines.h b/include/asm-m68k/machines.h index da6015a90f2..be667e84f01 100644 --- a/include/asm-m68k/machines.h +++ b/include/asm-m68k/machines.h @@ -1,4 +1,4 @@ -/* $Id: machines.h,v 1.4 1995/11/25 02:31:58 davem Exp $ +/* * machines.h: Defines for taking apart the machine type value in the * idprom and determining the kind of machine we are on. * @@ -21,8 +21,6 @@ struct Sun_Machine_Models { //#define NUM_SUN_MACHINES 23 #define NUM_SUN_MACHINES 8 -extern struct Sun_Machine_Models Sun_Machines[NUM_SUN_MACHINES]; - /* The machine type in the idprom area looks like this: * * --------------- diff --git a/include/asm-m68k/macintosh.h b/include/asm-m68k/macintosh.h index 28b0f49ee52..05309f7e3d0 100644 --- a/include/asm-m68k/macintosh.h +++ b/include/asm-m68k/macintosh.h @@ -12,8 +12,6 @@ extern void mac_reset(void); extern void mac_poweroff(void); extern void mac_init_IRQ(void); extern int mac_irq_pending(unsigned int); -extern void mac_identify(void); -extern void mac_report_hardware(void); /* * Floppy driver magic hook - probably shouldnt be here @@ -21,9 +19,6 @@ extern void mac_report_hardware(void); extern void via1_set_head(int); -extern void parse_booter(char *ptr); -extern void print_booter(char *ptr); - /* * Macintosh Table */ diff --git a/include/asm-m68k/md.h b/include/asm-m68k/md.h index 467ea08383e..d2f78f226f3 100644 --- a/include/asm-m68k/md.h +++ b/include/asm-m68k/md.h @@ -1,4 +1,4 @@ -/* $Id: md.h,v 1.1 1997/12/15 15:12:04 jj Exp $ +/* * md.h: High speed xor_block operation for RAID4/5 * */ diff --git a/include/asm-m68k/openprom.h b/include/asm-m68k/openprom.h index 869ab9176e9..d33cdadf78e 100644 --- a/include/asm-m68k/openprom.h +++ b/include/asm-m68k/openprom.h @@ -1,4 +1,3 @@ -/* $Id: openprom.h,v 1.19 1996/09/25 03:51:08 davem Exp $ */ #ifndef __SPARC_OPENPROM_H #define __SPARC_OPENPROM_H diff --git a/include/asm-m68k/oplib.h b/include/asm-m68k/oplib.h index 06caa2d0845..f082d03336b 100644 --- a/include/asm-m68k/oplib.h +++ b/include/asm-m68k/oplib.h @@ -1,4 +1,4 @@ -/* $Id: oplib.h,v 1.12 1996/10/31 06:29:13 davem Exp $ +/* * oplib.h: Describes the interface and available routines in the * Linux Prom library. * @@ -19,7 +19,6 @@ enum prom_major_version { PROM_V2, /* sun4c and early sun4m V2 prom */ PROM_V3, /* sun4m and later, up to sun4d/sun4e machines V3 */ PROM_P1275, /* IEEE compliant ISA based Sun PROM, only sun4u */ - PROM_AP1000, /* actually no prom at all */ }; extern enum prom_major_version prom_vers; diff --git a/include/asm-m68k/sbus.h b/include/asm-m68k/sbus.h index 3b25c0040aa..bfe3ba147f2 100644 --- a/include/asm-m68k/sbus.h +++ b/include/asm-m68k/sbus.h @@ -12,11 +12,6 @@ struct sbus_dev { } reg_addrs[1]; }; -extern void *sparc_alloc_io (u32, void *, int, char *, u32, int); -#define sparc_alloc_io(a,b,c,d,e,f) (a) - -#define ARCH_SUN4 0 - /* sbus IO functions stolen from include/asm-sparc/io.h for the serial driver */ /* No SBUS on the Sun3, kludge -- sam */ diff --git a/include/asm-m68k/sun3-head.h b/include/asm-m68k/sun3-head.h index e74f384e269..05af2f18b3b 100644 --- a/include/asm-m68k/sun3-head.h +++ b/include/asm-m68k/sun3-head.h @@ -1,4 +1,3 @@ -/* $Id: head.h,v 1.32 1996/12/04 00:12:48 ecd Exp $ */ #ifndef __SUN3_HEAD_H #define __SUN3_HEAD_H diff --git a/include/asm-m68k/tlbflush.h b/include/asm-m68k/tlbflush.h index 17707ec315e..acb6bf21a32 100644 --- a/include/asm-m68k/tlbflush.h +++ b/include/asm-m68k/tlbflush.h @@ -16,7 +16,7 @@ static inline void flush_tlb_kernel_page(void *addr) ".chip 68k" : : "a" (addr)); set_fs(old_fs); - } else + } else if (CPU_IS_020_OR_030) __asm__ __volatile__("pflush #4,#4,(%0)" : : "a" (addr)); } @@ -29,7 +29,7 @@ static inline void __flush_tlb(void) __asm__ __volatile__(".chip 68040\n\t" "pflushan\n\t" ".chip 68k"); - else + else if (CPU_IS_020_OR_030) __asm__ __volatile__("pflush #0,#4"); } @@ -45,7 +45,7 @@ static inline void __flush_tlb_one(unsigned long addr) { if (CPU_IS_040_OR_060) __flush_tlb040_one(addr); - else + else if (CPU_IS_020_OR_030) __asm__ __volatile__("pflush #0,#4,(%0)" : : "a" (addr)); } @@ -60,7 +60,7 @@ static inline void flush_tlb_all(void) __asm__ __volatile__(".chip 68040\n\t" "pflusha\n\t" ".chip 68k"); - else + else if (CPU_IS_020_OR_030) __asm__ __volatile__("pflusha"); } diff --git a/include/linux/configfs.h b/include/linux/configfs.h index 0488f937634..d62c19ff041 100644 --- a/include/linux/configfs.h +++ b/include/linux/configfs.h @@ -148,7 +148,8 @@ struct configfs_attribute { * items. If the item is a group, it may support mkdir(2). * Groups supply one of make_group() and make_item(). If the * group supports make_group(), one can create group children. If it - * supports make_item(), one can create config_item children. If it has + * supports make_item(), one can create config_item children. make_group() + * and make_item() return ERR_PTR() on errors. If it has * default_groups on group->default_groups, it has automatically created * group children. default_groups may coexist alongsize make_group() or * make_item(), but if the group wishes to have only default_groups @@ -165,8 +166,8 @@ struct configfs_item_operations { }; struct configfs_group_operations { - int (*make_item)(struct config_group *group, const char *name, struct config_item **new_item); - int (*make_group)(struct config_group *group, const char *name, struct config_group **new_group); + struct config_item *(*make_item)(struct config_group *group, const char *name); + struct config_group *(*make_group)(struct config_group *group, const char *name); int (*commit_item)(struct config_item *item); void (*disconnect_notify)(struct config_group *group, struct config_item *item); void (*drop_item)(struct config_group *group, struct config_item *item); diff --git a/include/linux/cyclades.h b/include/linux/cyclades.h index 504cb2c3fa9..2d3d1e04ba9 100644 --- a/include/linux/cyclades.h +++ b/include/linux/cyclades.h @@ -550,11 +550,11 @@ struct cyclades_icount { struct cyclades_port { int magic; + struct tty_port port; struct cyclades_card *card; int line; int flags; /* defined in tty.h */ int type; /* UART type */ - struct tty_struct *tty; int read_status_mask; int ignore_status_mask; int timeout; @@ -567,13 +567,8 @@ struct cyclades_port { int chip_rev; int custom_divisor; u8 x_char; /* to be pushed out ASAP */ - int close_delay; - unsigned short closing_wait; - int count; /* # of fd on device */ int breakon; int breakoff; - int blocked_open; /* # of blocked opens */ - unsigned char *xmit_buf; int xmit_head; int xmit_tail; int xmit_cnt; @@ -583,16 +578,14 @@ struct cyclades_port { struct cyclades_monitor mon; struct cyclades_idle_stats idle_stats; struct cyclades_icount icount; - wait_queue_head_t open_wait; - wait_queue_head_t close_wait; struct completion shutdown_wait; wait_queue_head_t delta_msr_wait; int throttle; }; #define CLOSING_WAIT_DELAY 30*HZ -#define CY_CLOSING_WAIT_NONE 65535 -#define CY_CLOSING_WAIT_INF 0 +#define CY_CLOSING_WAIT_NONE ASYNC_CLOSING_WAIT_NONE +#define CY_CLOSING_WAIT_INF ASYNC_CLOSING_WAIT_INF #define CyMAX_CHIPS_PER_CARD 8 diff --git a/include/linux/generic_serial.h b/include/linux/generic_serial.h index 110833666e3..4cc91393981 100644 --- a/include/linux/generic_serial.h +++ b/include/linux/generic_serial.h @@ -14,6 +14,7 @@ #ifdef __KERNEL__ #include <linux/mutex.h> +#include <linux/tty.h> struct real_driver { void (*disable_tx_interrupts) (void *); @@ -33,17 +34,12 @@ struct real_driver { struct gs_port { int magic; + struct tty_port port; unsigned char *xmit_buf; int xmit_head; int xmit_tail; int xmit_cnt; struct mutex port_write_mutex; - int flags; - wait_queue_head_t open_wait; - wait_queue_head_t close_wait; - int count; - int blocked_open; - struct tty_struct *tty; unsigned long event; unsigned short closing_wait; int close_delay; diff --git a/include/linux/hayesesp.h b/include/linux/hayesesp.h index 2177ee5b2fe..940aeb51d53 100644 --- a/include/linux/hayesesp.h +++ b/include/linux/hayesesp.h @@ -76,11 +76,10 @@ struct hayes_esp_config { struct esp_struct { int magic; + struct tty_port port; spinlock_t lock; - int port; + int io_port; int irq; - int flags; /* defined in tty.h */ - struct tty_struct *tty; int read_status_mask; int ignore_status_mask; int timeout; @@ -93,14 +92,10 @@ struct esp_struct { int MCR; /* Modem control register */ unsigned long last_active; int line; - int count; /* # of fd on device */ - int blocked_open; /* # of blocked opens */ unsigned char *xmit_buf; int xmit_head; int xmit_tail; int xmit_cnt; - wait_queue_head_t open_wait; - wait_queue_head_t close_wait; wait_queue_head_t delta_msr_wait; wait_queue_head_t break_wait; struct async_icount icount; /* kernel counters for the 4 input interrupts */ diff --git a/include/linux/istallion.h b/include/linux/istallion.h index 5a84fe944b7..0d184072324 100644 --- a/include/linux/istallion.h +++ b/include/linux/istallion.h @@ -51,25 +51,21 @@ */ struct stliport { unsigned long magic; + struct tty_port port; unsigned int portnr; unsigned int panelnr; unsigned int brdnr; unsigned long state; unsigned int devnr; - int flags; int baud_base; int custom_divisor; int close_delay; int closing_wait; - int refcount; int openwaitcnt; int rc; int argsize; void *argp; unsigned int rxmarkmsk; - struct tty_struct *tty; - wait_queue_head_t open_wait; - wait_queue_head_t close_wait; wait_queue_head_t raw_wait; struct asysigs asig; unsigned long addr; diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h index d8f31de632c..f3a1c0e4502 100644 --- a/include/linux/serial_core.h +++ b/include/linux/serial_core.h @@ -190,6 +190,7 @@ struct uart_ops { void (*break_ctl)(struct uart_port *, int ctl); int (*startup)(struct uart_port *); void (*shutdown)(struct uart_port *); + void (*flush_buffer)(struct uart_port *); void (*set_termios)(struct uart_port *, struct ktermios *new, struct ktermios *old); void (*set_ldisc)(struct uart_port *); @@ -343,13 +344,15 @@ typedef unsigned int __bitwise__ uif_t; * stuff here. */ struct uart_info { - struct tty_struct *tty; + struct tty_port port; struct circ_buf xmit; uif_t flags; /* * Definitions for info->flags. These are _private_ to serial_core, and * are specific to this structure. They may be queried by low level drivers. + * + * FIXME: use the ASY_ definitions */ #define UIF_CHECK_CD ((__force uif_t) (1 << 25)) #define UIF_CTS_FLOW ((__force uif_t) (1 << 26)) @@ -357,11 +360,7 @@ struct uart_info { #define UIF_INITIALIZED ((__force uif_t) (1 << 31)) #define UIF_SUSPENDED ((__force uif_t) (1 << 30)) - int blocked_open; - struct tasklet_struct tlet; - - wait_queue_head_t open_wait; wait_queue_head_t delta_msr_wait; }; @@ -438,8 +437,8 @@ int uart_resume_port(struct uart_driver *reg, struct uart_port *port); #define uart_circ_chars_free(circ) \ (CIRC_SPACE((circ)->head, (circ)->tail, UART_XMIT_SIZE)) -#define uart_tx_stopped(port) \ - ((port)->info->tty->stopped || (port)->info->tty->hw_stopped) +#define uart_tx_stopped(portp) \ + ((portp)->info->port.tty->stopped || (portp)->info->port.tty->hw_stopped) /* * The following are helper functions for the low level drivers. @@ -450,7 +449,7 @@ uart_handle_sysrq_char(struct uart_port *port, unsigned int ch) #ifdef SUPPORT_SYSRQ if (port->sysrq) { if (ch && time_before(jiffies, port->sysrq)) { - handle_sysrq(ch, port->info ? port->info->tty : NULL); + handle_sysrq(ch, port->info ? port->info->port.tty : NULL); port->sysrq = 0; return 1; } @@ -479,7 +478,7 @@ static inline int uart_handle_break(struct uart_port *port) } #endif if (port->flags & UPF_SAK) - do_SAK(info->tty); + do_SAK(info->port.tty); return 0; } @@ -502,9 +501,9 @@ uart_handle_dcd_change(struct uart_port *port, unsigned int status) if (info->flags & UIF_CHECK_CD) { if (status) - wake_up_interruptible(&info->open_wait); - else if (info->tty) - tty_hangup(info->tty); + wake_up_interruptible(&info->port.open_wait); + else if (info->port.tty) + tty_hangup(info->port.tty); } } @@ -517,7 +516,7 @@ static inline void uart_handle_cts_change(struct uart_port *port, unsigned int status) { struct uart_info *info = port->info; - struct tty_struct *tty = info->tty; + struct tty_struct *tty = info->port.tty; port->icount.cts++; @@ -543,7 +542,7 @@ static inline void uart_insert_char(struct uart_port *port, unsigned int status, unsigned int overrun, unsigned int ch, unsigned int flag) { - struct tty_struct *tty = port->info->tty; + struct tty_struct *tty = port->info->port.tty; if ((status & port->ignore_status_mask & ~overrun) == 0) tty_insert_flip_char(tty, ch, flag); diff --git a/include/linux/stallion.h b/include/linux/stallion.h index 0424d75a5aa..336af33c6ea 100644 --- a/include/linux/stallion.h +++ b/include/linux/stallion.h @@ -69,6 +69,7 @@ struct stlrq { */ struct stlport { unsigned long magic; + struct tty_port port; unsigned int portnr; unsigned int panelnr; unsigned int brdnr; @@ -76,12 +77,10 @@ struct stlport { int uartaddr; unsigned int pagenr; unsigned long istate; - int flags; int baud_base; int custom_divisor; int close_delay; int closing_wait; - int refcount; int openwaitcnt; int brklen; unsigned int sigs; @@ -92,9 +91,6 @@ struct stlport { unsigned long clk; unsigned long hwid; void *uartp; - struct tty_struct *tty; - wait_queue_head_t open_wait; - wait_queue_head_t close_wait; comstats_t stats; struct stlrq tx; }; diff --git a/include/linux/tty.h b/include/linux/tty.h index 324a3b231d4..4e5833073aa 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -71,7 +71,8 @@ struct tty_bufhead { struct tty_buffer *head; /* Queue head */ struct tty_buffer *tail; /* Active buffer */ struct tty_buffer *free; /* Free queue head */ - int memory_used; /* Buffer space used excluding free queue */ + int memory_used; /* Buffer space used excluding + free queue */ }; /* * When a break, frame error, or parity error happens, these codes are @@ -101,71 +102,96 @@ struct tty_bufhead { #define LNEXT_CHAR(tty) ((tty)->termios->c_cc[VLNEXT]) #define EOL2_CHAR(tty) ((tty)->termios->c_cc[VEOL2]) -#define _I_FLAG(tty,f) ((tty)->termios->c_iflag & (f)) -#define _O_FLAG(tty,f) ((tty)->termios->c_oflag & (f)) -#define _C_FLAG(tty,f) ((tty)->termios->c_cflag & (f)) -#define _L_FLAG(tty,f) ((tty)->termios->c_lflag & (f)) - -#define I_IGNBRK(tty) _I_FLAG((tty),IGNBRK) -#define I_BRKINT(tty) _I_FLAG((tty),BRKINT) -#define I_IGNPAR(tty) _I_FLAG((tty),IGNPAR) -#define I_PARMRK(tty) _I_FLAG((tty),PARMRK) -#define I_INPCK(tty) _I_FLAG((tty),INPCK) -#define I_ISTRIP(tty) _I_FLAG((tty),ISTRIP) -#define I_INLCR(tty) _I_FLAG((tty),INLCR) -#define I_IGNCR(tty) _I_FLAG((tty),IGNCR) -#define I_ICRNL(tty) _I_FLAG((tty),ICRNL) -#define I_IUCLC(tty) _I_FLAG((tty),IUCLC) -#define I_IXON(tty) _I_FLAG((tty),IXON) -#define I_IXANY(tty) _I_FLAG((tty),IXANY) -#define I_IXOFF(tty) _I_FLAG((tty),IXOFF) -#define I_IMAXBEL(tty) _I_FLAG((tty),IMAXBEL) -#define I_IUTF8(tty) _I_FLAG((tty),IUTF8) - -#define O_OPOST(tty) _O_FLAG((tty),OPOST) -#define O_OLCUC(tty) _O_FLAG((tty),OLCUC) -#define O_ONLCR(tty) _O_FLAG((tty),ONLCR) -#define O_OCRNL(tty) _O_FLAG((tty),OCRNL) -#define O_ONOCR(tty) _O_FLAG((tty),ONOCR) -#define O_ONLRET(tty) _O_FLAG((tty),ONLRET) -#define O_OFILL(tty) _O_FLAG((tty),OFILL) -#define O_OFDEL(tty) _O_FLAG((tty),OFDEL) -#define O_NLDLY(tty) _O_FLAG((tty),NLDLY) -#define O_CRDLY(tty) _O_FLAG((tty),CRDLY) -#define O_TABDLY(tty) _O_FLAG((tty),TABDLY) -#define O_BSDLY(tty) _O_FLAG((tty),BSDLY) -#define O_VTDLY(tty) _O_FLAG((tty),VTDLY) -#define O_FFDLY(tty) _O_FLAG((tty),FFDLY) - -#define C_BAUD(tty) _C_FLAG((tty),CBAUD) -#define C_CSIZE(tty) _C_FLAG((tty),CSIZE) -#define C_CSTOPB(tty) _C_FLAG((tty),CSTOPB) -#define C_CREAD(tty) _C_FLAG((tty),CREAD) -#define C_PARENB(tty) _C_FLAG((tty),PARENB) -#define C_PARODD(tty) _C_FLAG((tty),PARODD) -#define C_HUPCL(tty) _C_FLAG((tty),HUPCL) -#define C_CLOCAL(tty) _C_FLAG((tty),CLOCAL) -#define C_CIBAUD(tty) _C_FLAG((tty),CIBAUD) -#define C_CRTSCTS(tty) _C_FLAG((tty),CRTSCTS) - -#define L_ISIG(tty) _L_FLAG((tty),ISIG) -#define L_ICANON(tty) _L_FLAG((tty),ICANON) -#define L_XCASE(tty) _L_FLAG((tty),XCASE) -#define L_ECHO(tty) _L_FLAG((tty),ECHO) -#define L_ECHOE(tty) _L_FLAG((tty),ECHOE) -#define L_ECHOK(tty) _L_FLAG((tty),ECHOK) -#define L_ECHONL(tty) _L_FLAG((tty),ECHONL) -#define L_NOFLSH(tty) _L_FLAG((tty),NOFLSH) -#define L_TOSTOP(tty) _L_FLAG((tty),TOSTOP) -#define L_ECHOCTL(tty) _L_FLAG((tty),ECHOCTL) -#define L_ECHOPRT(tty) _L_FLAG((tty),ECHOPRT) -#define L_ECHOKE(tty) _L_FLAG((tty),ECHOKE) -#define L_FLUSHO(tty) _L_FLAG((tty),FLUSHO) -#define L_PENDIN(tty) _L_FLAG((tty),PENDIN) -#define L_IEXTEN(tty) _L_FLAG((tty),IEXTEN) +#define _I_FLAG(tty, f) ((tty)->termios->c_iflag & (f)) +#define _O_FLAG(tty, f) ((tty)->termios->c_oflag & (f)) +#define _C_FLAG(tty, f) ((tty)->termios->c_cflag & (f)) +#define _L_FLAG(tty, f) ((tty)->termios->c_lflag & (f)) + +#define I_IGNBRK(tty) _I_FLAG((tty), IGNBRK) +#define I_BRKINT(tty) _I_FLAG((tty), BRKINT) +#define I_IGNPAR(tty) _I_FLAG((tty), IGNPAR) +#define I_PARMRK(tty) _I_FLAG((tty), PARMRK) +#define I_INPCK(tty) _I_FLAG((tty), INPCK) +#define I_ISTRIP(tty) _I_FLAG((tty), ISTRIP) +#define I_INLCR(tty) _I_FLAG((tty), INLCR) +#define I_IGNCR(tty) _I_FLAG((tty), IGNCR) +#define I_ICRNL(tty) _I_FLAG((tty), ICRNL) +#define I_IUCLC(tty) _I_FLAG((tty), IUCLC) +#define I_IXON(tty) _I_FLAG((tty), IXON) +#define I_IXANY(tty) _I_FLAG((tty), IXANY) +#define I_IXOFF(tty) _I_FLAG((tty), IXOFF) +#define I_IMAXBEL(tty) _I_FLAG((tty), IMAXBEL) +#define I_IUTF8(tty) _I_FLAG((tty), IUTF8) + +#define O_OPOST(tty) _O_FLAG((tty), OPOST) +#define O_OLCUC(tty) _O_FLAG((tty), OLCUC) +#define O_ONLCR(tty) _O_FLAG((tty), ONLCR) +#define O_OCRNL(tty) _O_FLAG((tty), OCRNL) +#define O_ONOCR(tty) _O_FLAG((tty), ONOCR) +#define O_ONLRET(tty) _O_FLAG((tty), ONLRET) +#define O_OFILL(tty) _O_FLAG((tty), OFILL) +#define O_OFDEL(tty) _O_FLAG((tty), OFDEL) +#define O_NLDLY(tty) _O_FLAG((tty), NLDLY) +#define O_CRDLY(tty) _O_FLAG((tty), CRDLY) +#define O_TABDLY(tty) _O_FLAG((tty), TABDLY) +#define O_BSDLY(tty) _O_FLAG((tty), BSDLY) +#define O_VTDLY(tty) _O_FLAG((tty), VTDLY) +#define O_FFDLY(tty) _O_FLAG((tty), FFDLY) + +#define C_BAUD(tty) _C_FLAG((tty), CBAUD) +#define C_CSIZE(tty) _C_FLAG((tty), CSIZE) +#define C_CSTOPB(tty) _C_FLAG((tty), CSTOPB) +#define C_CREAD(tty) _C_FLAG((tty), CREAD) +#define C_PARENB(tty) _C_FLAG((tty), PARENB) +#define C_PARODD(tty) _C_FLAG((tty), PARODD) +#define C_HUPCL(tty) _C_FLAG((tty), HUPCL) +#define C_CLOCAL(tty) _C_FLAG((tty), CLOCAL) +#define C_CIBAUD(tty) _C_FLAG((tty), CIBAUD) +#define C_CRTSCTS(tty) _C_FLAG((tty), CRTSCTS) + +#define L_ISIG(tty) _L_FLAG((tty), ISIG) +#define L_ICANON(tty) _L_FLAG((tty), ICANON) +#define L_XCASE(tty) _L_FLAG((tty), XCASE) +#define L_ECHO(tty) _L_FLAG((tty), ECHO) +#define L_ECHOE(tty) _L_FLAG((tty), ECHOE) +#define L_ECHOK(tty) _L_FLAG((tty), ECHOK) +#define L_ECHONL(tty) _L_FLAG((tty), ECHONL) +#define L_NOFLSH(tty) _L_FLAG((tty), NOFLSH) +#define L_TOSTOP(tty) _L_FLAG((tty), TOSTOP) +#define L_ECHOCTL(tty) _L_FLAG((tty), ECHOCTL) +#define L_ECHOPRT(tty) _L_FLAG((tty), ECHOPRT) +#define L_ECHOKE(tty) _L_FLAG((tty), ECHOKE) +#define L_FLUSHO(tty) _L_FLAG((tty), FLUSHO) +#define L_PENDIN(tty) _L_FLAG((tty), PENDIN) +#define L_IEXTEN(tty) _L_FLAG((tty), IEXTEN) struct device; struct signal_struct; + +/* + * Port level information. Each device keeps its own port level information + * so provide a common structure for those ports wanting to use common support + * routines. + * + * The tty port has a different lifetime to the tty so must be kept apart. + * In addition be careful as tty -> port mappings are valid for the life + * of the tty object but in many cases port -> tty mappings are valid only + * until a hangup so don't use the wrong path. + */ + +struct tty_port { + struct tty_struct *tty; /* Back pointer */ + int blocked_open; /* Waiting to open */ + int count; /* Usage count */ + wait_queue_head_t open_wait; /* Open waiters */ + wait_queue_head_t close_wait; /* Close waiters */ + unsigned long flags; /* TTY flags ASY_*/ + struct mutex mutex; /* Locking */ + unsigned char *xmit_buf; /* Optional buffer */ + int close_delay; /* Close port delay */ + int closing_wait; /* Delay for output */ +}; + /* * Where all of the state associated with a tty is kept while the tty * is open. Since the termios state should be kept even if the tty @@ -185,6 +211,7 @@ struct tty_struct { struct tty_driver *driver; const struct tty_operations *ops; int index; + /* The ldisc objects are protected by tty_ldisc_lock at the moment */ struct tty_ldisc ldisc; struct mutex termios_mutex; spinlock_t ctrl_lock; @@ -213,7 +240,7 @@ struct tty_struct { struct list_head tty_files; #define N_TTY_BUF_SIZE 4096 - + /* * The following is data for the N_TTY line discipline. For * historical reasons, this is included in the tty structure. @@ -241,6 +268,7 @@ struct tty_struct { spinlock_t read_lock; /* If the tty has a pending do_SAK, queue it here - akpm */ struct work_struct SAK_work; + struct tty_port *port; }; /* tty magic number */ @@ -248,14 +276,14 @@ struct tty_struct { /* * These bits are used in the flags field of the tty structure. - * + * * So that interrupts won't be able to mess up the queues, * copy_to_cooked must be atomic with respect to itself, as must * tty->write. Thus, you must use the inline functions set_bit() and * clear_bit() to make things atomic. */ #define TTY_THROTTLED 0 /* Call unthrottle() at threshold min */ -#define TTY_IO_ERROR 1 /* Canse an I/O error (may be no ldisc too) */ +#define TTY_IO_ERROR 1 /* Cause an I/O error (may be no ldisc too) */ #define TTY_OTHER_CLOSED 2 /* Other side (if any) has closed */ #define TTY_EXCLUSIVE 3 /* Exclusive open mode */ #define TTY_DEBUG 4 /* Debugging */ @@ -285,11 +313,11 @@ extern int vcs_init(void); extern int tty_paranoia_check(struct tty_struct *tty, struct inode *inode, const char *routine); extern char *tty_name(struct tty_struct *tty, char *buf); -extern void tty_wait_until_sent(struct tty_struct * tty, long timeout); -extern int tty_check_change(struct tty_struct * tty); -extern void stop_tty(struct tty_struct * tty); -extern void start_tty(struct tty_struct * tty); -extern int tty_register_ldisc(int disc, struct tty_ldisc *new_ldisc); +extern void tty_wait_until_sent(struct tty_struct *tty, long timeout); +extern int tty_check_change(struct tty_struct *tty); +extern void stop_tty(struct tty_struct *tty); +extern void start_tty(struct tty_struct *tty); +extern int tty_register_ldisc(int disc, struct tty_ldisc_ops *new_ldisc); extern int tty_unregister_ldisc(int disc); extern int tty_register_driver(struct tty_driver *driver); extern int tty_unregister_driver(struct tty_driver *driver); @@ -310,10 +338,10 @@ extern int is_current_pgrp_orphaned(void); extern struct pid *tty_get_pgrp(struct tty_struct *tty); extern int is_ignored(int sig); extern int tty_signal(int sig, struct tty_struct *tty); -extern void tty_hangup(struct tty_struct * tty); -extern void tty_vhangup(struct tty_struct * tty); +extern void tty_hangup(struct tty_struct *tty); +extern void tty_vhangup(struct tty_struct *tty); extern void tty_unhangup(struct file *filp); -extern int tty_hung_up_p(struct file * filp); +extern int tty_hung_up_p(struct file *filp); extern void do_SAK(struct tty_struct *tty); extern void __do_SAK(struct tty_struct *tty); extern void disassociate_ctty(int priv); @@ -322,17 +350,17 @@ extern void tty_flip_buffer_push(struct tty_struct *tty); extern speed_t tty_get_baud_rate(struct tty_struct *tty); extern speed_t tty_termios_baud_rate(struct ktermios *termios); extern speed_t tty_termios_input_baud_rate(struct ktermios *termios); -extern void tty_termios_encode_baud_rate(struct ktermios *termios, speed_t ibaud, speed_t obaud); -extern void tty_encode_baud_rate(struct tty_struct *tty, speed_t ibaud, speed_t obaud); +extern void tty_termios_encode_baud_rate(struct ktermios *termios, + speed_t ibaud, speed_t obaud); +extern void tty_encode_baud_rate(struct tty_struct *tty, + speed_t ibaud, speed_t obaud); extern void tty_termios_copy_hw(struct ktermios *new, struct ktermios *old); extern int tty_termios_hw_change(struct ktermios *a, struct ktermios *b); extern struct tty_ldisc *tty_ldisc_ref(struct tty_struct *); extern void tty_ldisc_deref(struct tty_ldisc *); extern struct tty_ldisc *tty_ldisc_ref_wait(struct tty_struct *); - -extern struct tty_ldisc *tty_ldisc_get(int); -extern void tty_ldisc_put(int); +extern const struct file_operations tty_ldiscs_proc_fops; extern void tty_wakeup(struct tty_struct *tty); extern void tty_ldisc_flush(struct tty_struct *tty); @@ -351,10 +379,14 @@ extern void tty_write_unlock(struct tty_struct *tty); extern int tty_write_lock(struct tty_struct *tty, int ndelay); #define tty_is_writelocked(tty) (mutex_is_locked(&tty->atomic_write_lock)) +extern void tty_port_init(struct tty_port *port); +extern int tty_port_alloc_xmit_buf(struct tty_port *port); +extern void tty_port_free_xmit_buf(struct tty_port *port); + /* n_tty.c */ -extern struct tty_ldisc tty_ldisc_N_TTY; +extern struct tty_ldisc_ops tty_ldisc_N_TTY; /* tty_audit.c */ #ifdef CONFIG_AUDIT @@ -363,7 +395,8 @@ extern void tty_audit_add_data(struct tty_struct *tty, unsigned char *data, extern void tty_audit_exit(void); extern void tty_audit_fork(struct signal_struct *sig); extern void tty_audit_push(struct tty_struct *tty); -extern void tty_audit_push_task(struct task_struct *tsk, uid_t loginuid, u32 sessionid); +extern void tty_audit_push_task(struct task_struct *tsk, + uid_t loginuid, u32 sessionid); #else static inline void tty_audit_add_data(struct tty_struct *tty, unsigned char *data, size_t size) @@ -378,19 +411,20 @@ static inline void tty_audit_fork(struct signal_struct *sig) static inline void tty_audit_push(struct tty_struct *tty) { } -static inline void tty_audit_push_task(struct task_struct *tsk, uid_t loginuid, u32 sessionid) +static inline void tty_audit_push_task(struct task_struct *tsk, + uid_t loginuid, u32 sessionid) { } #endif /* tty_ioctl.c */ -extern int n_tty_ioctl(struct tty_struct * tty, struct file * file, +extern int n_tty_ioctl(struct tty_struct *tty, struct file *file, unsigned int cmd, unsigned long arg); /* serial.c */ extern void serial_console_init(void); - + /* pcxx.c */ extern int pcxe_open(struct tty_struct *tty, struct file *filp); @@ -401,7 +435,7 @@ extern void console_print(const char *); /* vt.c */ -extern int vt_ioctl(struct tty_struct *tty, struct file * file, +extern int vt_ioctl(struct tty_struct *tty, struct file *file, unsigned int cmd, unsigned long arg); #endif /* __KERNEL__ */ diff --git a/include/linux/tty_ldisc.h b/include/linux/tty_ldisc.h index 6226504d910..40f38d89677 100644 --- a/include/linux/tty_ldisc.h +++ b/include/linux/tty_ldisc.h @@ -104,7 +104,7 @@ #include <linux/fs.h> #include <linux/wait.h> -struct tty_ldisc { +struct tty_ldisc_ops { int magic; char *name; int num; @@ -142,6 +142,11 @@ struct tty_ldisc { int refcount; }; +struct tty_ldisc { + struct tty_ldisc_ops *ops; + int refcount; +}; + #define TTY_LDISC_MAGIC 0x5403 #define LDISC_FLAG_DEFINED 0x00000001 |