1 files changed, 96 insertions, 0 deletions
diff --git a/drivers/s390/char/sclp_rw.h b/drivers/s390/char/sclp_rw.h
new file mode 100644
index 000000000000..6aa7a6948bc9
--- /dev/null
+++ b/drivers/s390/char/sclp_rw.h
@@ -0,0 +1,96 @@
+/*
+ *  drivers/s390/char/sclp_rw.h
+ *    interface to the SCLP-read/write driver
+ *
+ *  S390 version
+ *    Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation
+ *    Author(s): Martin Peschke <mpeschke@de.ibm.com>
+ *               Martin Schwidefsky <schwidefsky@de.ibm.com>
+ */
+#ifndef __SCLP_RW_H__
+#define __SCLP_RW_H__
+#include <linux/list.h>
+struct mto {
+        u16 length;
+        u16 type;
+        u16 line_type_flags;
+        u8  alarm_control;
+        u8  _reserved[3];
+} __attribute__((packed));
+struct go {
+        u16 length;
+        u16 type;
+        u32 domid;
+        u8  hhmmss_time[8];
+        u8  th_time[3];
+        u8  reserved_0;
+        u8  dddyyyy_date[7];
+        u8  _reserved_1;
+        u16 general_msg_flags;
+        u8  _reserved_2[10];
+        u8  originating_system_name[8];
+        u8  job_guest_name[8];
+} __attribute__((packed));
+struct mdb_header {
+        u16 length;
+        u16 type;
+        u32 tag;
+        u32 revision_code;
+} __attribute__((packed));
+struct mdb {
+        struct mdb_header header;
+        struct go go;
+} __attribute__((packed));
+struct msg_buf {
+        struct evbuf_header header;
+        struct mdb mdb;
+} __attribute__((packed));
+struct write_sccb {
+        struct sccb_header header;
+        struct msg_buf msg_buf;
+} __attribute__((packed));
+/* The number of empty mto buffers that can be contained in a single sccb. */
+#define NR_EMPTY_MTO_PER_SCCB ((PAGE_SIZE - sizeof(struct sclp_buffer) - \
+                        sizeof(struct write_sccb)) / sizeof(struct mto))
+/*
+ * data structure for information about list of SCCBs (only for writing),
+ * will be located at the end of a SCCBs page
+ */
+struct sclp_buffer {
+        struct list_head list;          /* list_head for sccb_info chain */
+        struct sclp_req request;
+        struct write_sccb *sccb;
+        char *current_line;
+        int current_length;
+        int retry_count;
+        /* output format settings */
+        unsigned short columns;
+        unsigned short htab;
+        /* statistics about this buffer */
+        unsigned int mto_char_sum;      /* # chars in sccb */
+        unsigned int mto_number;        /* # mtos in sccb */
+        /* Callback that is called after reaching final status. */
+        void (*callback)(struct sclp_buffer *, int);
+};
+int sclp_rw_init(void);
+struct sclp_buffer *sclp_make_buffer(void *, unsigned short, unsigned short);
+void *sclp_unmake_buffer(struct sclp_buffer *);
+int sclp_buffer_space(struct sclp_buffer *);
+int sclp_write(struct sclp_buffer *buffer, const unsigned char *, int);
+int sclp_emit_buffer(struct sclp_buffer *,void (*)(struct sclp_buffer *,int));
+void sclp_set_columns(struct sclp_buffer *, unsigned short);
+void sclp_set_htab(struct sclp_buffer *, unsigned short);
+int sclp_chars_in_buffer(struct sclp_buffer *);
+#endif  /* __SCLP_RW_H__ */

diff --git a/drivers/s390/char/sclp_rw.h b/drivers/s390/char/sclp_rw.h new file mode 100644 index 000000000000..6aa7a6948bc9 --- /dev/null +++ b/drivers/s390/char/sclp_rw.h
@@ -0,0 +1,96 @@
	1	/*
	2	* drivers/s390/char/sclp_rw.h
	3	* interface to the SCLP-read/write driver
	4	*
	5	* S390 version
	6	* Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation
	7	* Author(s): Martin Peschke <mpeschke@de.ibm.com>
	8	* Martin Schwidefsky <schwidefsky@de.ibm.com>
	9	*/
	10
	11	#ifndef __SCLP_RW_H__
	12	#define __SCLP_RW_H__
	13
	14	#include <linux/list.h>
	15
	16	struct mto {
	17	u16 length;
	18	u16 type;
	19	u16 line_type_flags;
	20	u8 alarm_control;
	21	u8 _reserved[3];
	22	} __attribute__((packed));
	23
	24	struct go {
	25	u16 length;
	26	u16 type;
	27	u32 domid;
	28	u8 hhmmss_time[8];
	29	u8 th_time[3];
	30	u8 reserved_0;
	31	u8 dddyyyy_date[7];
	32	u8 _reserved_1;
	33	u16 general_msg_flags;
	34	u8 _reserved_2[10];
	35	u8 originating_system_name[8];
	36	u8 job_guest_name[8];
	37	} __attribute__((packed));
	38
	39	struct mdb_header {
	40	u16 length;
	41	u16 type;
	42	u32 tag;
	43	u32 revision_code;
	44	} __attribute__((packed));
	45
	46	struct mdb {
	47	struct mdb_header header;
	48	struct go go;
	49	} __attribute__((packed));
	50
	51	struct msg_buf {
	52	struct evbuf_header header;
	53	struct mdb mdb;
	54	} __attribute__((packed));
	55
	56	struct write_sccb {
	57	struct sccb_header header;
	58	struct msg_buf msg_buf;
	59	} __attribute__((packed));
	60
	61	/* The number of empty mto buffers that can be contained in a single sccb. */
	62	#define NR_EMPTY_MTO_PER_SCCB ((PAGE_SIZE - sizeof(struct sclp_buffer) - \
	63	sizeof(struct write_sccb)) / sizeof(struct mto))
	64
	65	/*
	66	* data structure for information about list of SCCBs (only for writing),
	67	* will be located at the end of a SCCBs page
	68	*/
	69	struct sclp_buffer {
	70	struct list_head list; /* list_head for sccb_info chain */
	71	struct sclp_req request;
	72	struct write_sccb *sccb;
	73	char *current_line;
	74	int current_length;
	75	int retry_count;
	76	/* output format settings */
	77	unsigned short columns;
	78	unsigned short htab;
	79	/* statistics about this buffer */
	80	unsigned int mto_char_sum; /* # chars in sccb */
	81	unsigned int mto_number; /* # mtos in sccb */
	82	/* Callback that is called after reaching final status. */
	83	void (callback)(struct sclp_buffer , int);
	84	};
	85
	86	int sclp_rw_init(void);
	87	struct sclp_buffer sclp_make_buffer(void , unsigned short, unsigned short);
	88	void sclp_unmake_buffer(struct sclp_buffer );
	89	int sclp_buffer_space(struct sclp_buffer *);
	90	int sclp_write(struct sclp_buffer buffer, const unsigned char , int);
	91	int sclp_emit_buffer(struct sclp_buffer ,void ()(struct sclp_buffer *,int));
	92	void sclp_set_columns(struct sclp_buffer *, unsigned short);
	93	void sclp_set_htab(struct sclp_buffer *, unsigned short);
	94	int sclp_chars_in_buffer(struct sclp_buffer *);
	95
	96	#endif /* __SCLP_RW_H__ */