diff options
Diffstat (limited to 'drivers/s390/char/raw3270.h')
| -rw-r--r-- | drivers/s390/char/raw3270.h | 227 |
1 files changed, 36 insertions, 191 deletions
diff --git a/drivers/s390/char/raw3270.h b/drivers/s390/char/raw3270.h index 4cb6b5ee44ca..b1beecc7a0a9 100644 --- a/drivers/s390/char/raw3270.h +++ b/drivers/s390/char/raw3270.h @@ -8,88 +8,10 @@ * Copyright IBM Corp. 2003, 2009 */ +#include <uapi/asm/raw3270.h> #include <asm/idals.h> #include <asm/ioctl.h> -/* ioctls for fullscreen 3270 */ -#define TUBICMD _IO('3', 3) /* set ccw command for fs reads. */ -#define TUBOCMD _IO('3', 4) /* set ccw command for fs writes. */ -#define TUBGETI _IO('3', 7) /* get ccw command for fs reads. */ -#define TUBGETO _IO('3', 8) /* get ccw command for fs writes. */ -#define TUBSETMOD _IO('3',12) /* FIXME: what does it do ?*/ -#define TUBGETMOD _IO('3',13) /* FIXME: what does it do ?*/ - -/* Local Channel Commands */ -#define TC_WRITE 0x01 /* Write */ -#define TC_RDBUF 0x02 /* Read Buffer */ -#define TC_EWRITE 0x05 /* Erase write */ -#define TC_READMOD 0x06 /* Read modified */ -#define TC_EWRITEA 0x0d /* Erase write alternate */ -#define TC_WRITESF 0x11 /* Write structured field */ - -/* Buffer Control Orders */ -#define TO_SF 0x1d /* Start field */ -#define TO_SBA 0x11 /* Set buffer address */ -#define TO_IC 0x13 /* Insert cursor */ -#define TO_PT 0x05 /* Program tab */ -#define TO_RA 0x3c /* Repeat to address */ -#define TO_SFE 0x29 /* Start field extended */ -#define TO_EUA 0x12 /* Erase unprotected to address */ -#define TO_MF 0x2c /* Modify field */ -#define TO_SA 0x28 /* Set attribute */ - -/* 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 - -/* 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 - -/* Extended-Highlighting Bytes */ -#define TAX_RESET 0x00 -#define TAX_BLINK 0xf1 -#define TAX_REVER 0xf2 -#define TAX_UNDER 0xf4 - -/* Reset value */ -#define TAR_RESET 0x00 - -/* Color values */ -#define TAC_RESET 0x00 -#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 */ - -#define RAW3270_FIRSTMINOR 1 /* First minor number */ -#define RAW3270_MAXDEVS 255 /* Max number of 3270 devices */ - -/* For TUBGETMOD and TUBSETMOD. Should include. */ -struct raw3270_iocb { - short model; - short line_cnt; - short col_cnt; - short pf_cnt; - short re_cnt; - short map; -}; - struct raw3270; struct raw3270_view; extern struct class *class3270; @@ -105,17 +27,17 @@ struct raw3270_request { int rc; /* return code for this request. */ /* Callback for delivering final status. */ - void (*callback)(struct raw3270_request *, void *); + void (*callback)(struct raw3270_request *rq, void *data); void *callback_data; }; struct raw3270_request *raw3270_request_alloc(size_t size); -void raw3270_request_free(struct raw3270_request *); -void raw3270_request_reset(struct raw3270_request *); -void raw3270_request_set_cmd(struct raw3270_request *, u8 cmd); -int raw3270_request_add_data(struct raw3270_request *, void *, size_t); -void raw3270_request_set_data(struct raw3270_request *, void *, size_t); -void raw3270_request_set_idal(struct raw3270_request *, struct idal_buffer *); +void raw3270_request_free(struct raw3270_request *rq); +int raw3270_request_reset(struct raw3270_request *rq); +void raw3270_request_set_cmd(struct raw3270_request *rq, u8 cmd); +int raw3270_request_add_data(struct raw3270_request *rq, void *data, size_t size); +void raw3270_request_set_data(struct raw3270_request *rq, void *data, size_t size); +void raw3270_request_set_idal(struct raw3270_request *rq, struct idal_buffer *ib); static inline int raw3270_request_final(struct raw3270_request *rq) @@ -123,19 +45,21 @@ raw3270_request_final(struct raw3270_request *rq) return list_empty(&rq->list); } -void raw3270_buffer_address(struct raw3270 *, char *, unsigned short); +void raw3270_buffer_address(struct raw3270 *, char *, int, int); /* * Functions of a 3270 view. */ struct raw3270_fn { - int (*activate)(struct raw3270_view *); - void (*deactivate)(struct raw3270_view *); - void (*intv)(struct raw3270_view *, - struct raw3270_request *, struct irb *); - void (*release)(struct raw3270_view *); - void (*free)(struct raw3270_view *); - void (*resize)(struct raw3270_view *, int, int, int); + int (*activate)(struct raw3270_view *rq); + void (*deactivate)(struct raw3270_view *rq); + void (*intv)(struct raw3270_view *view, + struct raw3270_request *rq, struct irb *ib); + void (*release)(struct raw3270_view *view); + void (*free)(struct raw3270_view *view); + void (*resize)(struct raw3270_view *view, + int new_model, int new_cols, int new_rows, + int old_model, int old_cols, int old_rows); }; /* @@ -148,7 +72,7 @@ struct raw3270_fn { */ struct raw3270_view { struct list_head list; - spinlock_t lock; + spinlock_t lock; /* protects members of view */ #define RAW3270_VIEW_LOCK_IRQ 0 #define RAW3270_VIEW_LOCK_BH 1 atomic_t ref_count; @@ -159,18 +83,21 @@ struct raw3270_view { unsigned char *ascebc; /* ascii -> ebcdic table */ }; -int raw3270_add_view(struct raw3270_view *, struct raw3270_fn *, int, int); +int raw3270_add_view(struct raw3270_view *view, struct raw3270_fn *fn, int minor, int subclass); int raw3270_view_lock_unavailable(struct raw3270_view *view); -int raw3270_activate_view(struct raw3270_view *); -void raw3270_del_view(struct raw3270_view *); -void raw3270_deactivate_view(struct raw3270_view *); -struct raw3270_view *raw3270_find_view(struct raw3270_fn *, int); -int raw3270_start(struct raw3270_view *, struct raw3270_request *); -int raw3270_start_locked(struct raw3270_view *, struct raw3270_request *); -int raw3270_start_irq(struct raw3270_view *, struct raw3270_request *); -int raw3270_reset(struct raw3270_view *); -struct raw3270_view *raw3270_view(struct raw3270_view *); -int raw3270_view_active(struct raw3270_view *); +int raw3270_activate_view(struct raw3270_view *view); +void raw3270_del_view(struct raw3270_view *view); +void raw3270_deactivate_view(struct raw3270_view *view); +struct raw3270_view *raw3270_find_view(struct raw3270_fn *fn, int minor); +int raw3270_start(struct raw3270_view *view, struct raw3270_request *rq); +int raw3270_start_locked(struct raw3270_view *view, struct raw3270_request *rq); +int raw3270_start_irq(struct raw3270_view *view, struct raw3270_request *rq); +int raw3270_reset(struct raw3270_view *view); +struct raw3270_view *raw3270_view(struct raw3270_view *view); +int raw3270_view_active(struct raw3270_view *view); +int raw3270_start_request(struct raw3270_view *view, struct raw3270_request *rq, + int cmd, void *data, size_t len); +void raw3270_read_modified_cb(struct raw3270_request *rq, void *data); /* Reference count inliner for view structures. */ static inline void @@ -189,7 +116,7 @@ raw3270_put_view(struct raw3270_view *view) } struct raw3270 *raw3270_setup_console(void); -void raw3270_wait_cons_dev(struct raw3270 *); +void raw3270_wait_cons_dev(struct raw3270 *rp); /* Notifier for device addition/removal */ struct raw3270_notifier { @@ -198,87 +125,5 @@ struct raw3270_notifier { void (*destroy)(int minor); }; -int raw3270_register_notifier(struct raw3270_notifier *); -void raw3270_unregister_notifier(struct raw3270_notifier *); - -/* - * Little memory allocator for string objects. - */ -struct string -{ - struct list_head list; - struct list_head update; - unsigned long size; - unsigned long len; - char string[]; -} __attribute__ ((aligned(8))); - -static inline struct string * -alloc_string(struct list_head *free_list, unsigned long len) -{ - struct string *cs, *tmp; - unsigned long size; - - size = (len + 7L) & -8L; - list_for_each_entry(cs, free_list, list) { - if (cs->size < size) - continue; - if (cs->size > size + sizeof(struct string)) { - char *endaddr = (char *) (cs + 1) + cs->size; - tmp = (struct string *) (endaddr - size) - 1; - tmp->size = size; - cs->size -= size + sizeof(struct string); - cs = tmp; - } else - list_del(&cs->list); - cs->len = len; - INIT_LIST_HEAD(&cs->list); - INIT_LIST_HEAD(&cs->update); - return cs; - } - return NULL; -} - -static inline unsigned long -free_string(struct list_head *free_list, struct string *cs) -{ - struct string *tmp; - struct list_head *p, *left; - - /* Find out the left neighbour in free memory list. */ - left = free_list; - list_for_each(p, free_list) { - if (list_entry(p, struct string, list) > cs) - break; - left = p; - } - /* Try to merge with right neighbour = next element from left. */ - if (left->next != free_list) { - tmp = list_entry(left->next, struct string, list); - if ((char *) (cs + 1) + cs->size == (char *) tmp) { - list_del(&tmp->list); - cs->size += tmp->size + sizeof(struct string); - } - } - /* Try to merge with left neighbour. */ - if (left != free_list) { - tmp = list_entry(left, struct string, list); - if ((char *) (tmp + 1) + tmp->size == (char *) cs) { - tmp->size += cs->size + sizeof(struct string); - return tmp->size; - } - } - __list_add(&cs->list, left, left->next); - return cs->size; -} - -static inline void -add_string_memory(struct list_head *free_list, void *mem, unsigned long size) -{ - struct string *cs; - - cs = (struct string *) mem; - cs->size = size - sizeof(struct string); - free_string(free_list, cs); -} - +int raw3270_register_notifier(struct raw3270_notifier *notifier); +void raw3270_unregister_notifier(struct raw3270_notifier *notifier); |