1 files changed, 104 insertions, 0 deletions
diff --git a/drivers/s390/char/vmur.h b/drivers/s390/char/vmur.h
new file mode 100644
index 000000000000..16d0a4e38e40
--- /dev/null
+++ b/drivers/s390/char/vmur.h
@@ -0,0 +1,104 @@
+/*
+ * Linux driver for System z and s390 unit record devices
+ * (z/VM virtual punch, reader, printer)
+ *
+ * Copyright IBM Corp. 2001, 2007
+ * Authors: Malcolm Beattie <beattiem@uk.ibm.com>
+ *          Michael Holzheu <holzheu@de.ibm.com>
+ *          Frank Munzert <munzert@de.ibm.com>
+ */
+#ifndef _VMUR_H_
+#define _VMUR_H_
+#define DEV_CLASS_UR_I 0x20 /* diag210 unit record input device class */
+#define DEV_CLASS_UR_O 0x10 /* diag210 unit record output device class */
+/*
+ * we only support z/VM's default unit record devices:
+ * both in SPOOL directory control statement and in CP DEFINE statement
+ *      RDR defaults to 2540 reader
+ *      PUN defaults to 2540 punch
+ *      PRT defaults to 1403 printer
+ */
+#define READER_PUNCH_DEVTYPE    0x2540
+#define PRINTER_DEVTYPE         0x1403
+/* z/VM spool file control block SFBLOK */
+struct file_control_block {
+        char reserved_1[8];
+        char user_owner[8];
+        char user_orig[8];
+        __s32 data_recs;
+        __s16 rec_len;
+        __s16 file_num;
+        __u8  file_stat;
+        __u8  dev_type;
+        char  reserved_2[6];
+        char  file_name[12];
+        char  file_type[12];
+        char  create_date[8];
+        char  create_time[8];
+        char  reserved_3[6];
+        __u8  file_class;
+        __u8  sfb_lok;
+        __u64 distr_code;
+        __u32 reserved_4;
+        __u8  current_starting_copy_number;
+        __u8  sfblock_cntrl_flags;
+        __u8  reserved_5;
+        __u8  more_status_flags;
+        char  rest[200];
+} __attribute__ ((packed));
+#define FLG_CP_DUMP 0x10
+/*
+ * A struct urdev is created for each ur device that is made available
+ * via the ccw_device driver model.
+ */
+struct urdev {
+        struct ccw_device *cdev;        /* Backpointer to ccw device */
+        struct mutex io_mutex;          /* Serialises device IO */
+        struct mutex open_mutex;        /* Serialises access to device */
+        struct completion *io_done;     /* do_ur_io waits; irq completes */
+        struct device *device;
+        struct cdev *char_device;
+        struct ccw_dev_id dev_id;       /* device id */
+        size_t reclen;                  /* Record length for *write* CCWs */
+        int class;                      /* VM device class */
+        int io_request_rc;              /* return code from I/O request */
+};
+/*
+ * A struct urfile is allocated at open() time for each device and
+ * freed on release().
+ */
+struct urfile {
+        struct urdev *urd;
+        unsigned int flags;
+        size_t dev_reclen;
+        __u16 file_reclen;
+};
+/*
+ * Device major/minor definitions.
+ */
+#define UR_MAJOR 0      /* get dynamic major */
+/*
+ * We map minor numbers directly to device numbers (0-FFFF) for simplicity.
+ * This avoids having to allocate (and manage) slot numbers.
+ */
+#define NUM_MINORS 65536
+/* Limiting each I/O to 511 records limits chan prog to 4KB (511 r/w + 1 NOP) */
+#define MAX_RECS_PER_IO         511
+#define WRITE_CCW_CMD           0x01
+#define TRACE(x...) debug_sprintf_event(vmur_dbf, 1, x)
+#define CCWDEV_CU_DI(cutype, di) \
+                CCW_DEVICE(cutype, 0x00), .driver_info = (di)
+#define FILE_RECLEN_OFFSET      4064 /* reclen offset in spool data block */
+#endif /* _VMUR_H_ */

diff --git a/drivers/s390/char/vmur.h b/drivers/s390/char/vmur.h new file mode 100644 index 000000000000..16d0a4e38e40 --- /dev/null +++ b/drivers/s390/char/vmur.h
@@ -0,0 +1,104 @@
	1	/*
	2	* Linux driver for System z and s390 unit record devices
	3	* (z/VM virtual punch, reader, printer)
	4	*
	5	* Copyright IBM Corp. 2001, 2007
	6	* Authors: Malcolm Beattie <beattiem@uk.ibm.com>
	7	* Michael Holzheu <holzheu@de.ibm.com>
	8	* Frank Munzert <munzert@de.ibm.com>
	9	*/
	10
	11	#ifndef _VMUR_H_
	12	#define _VMUR_H_
	13
	14	#define DEV_CLASS_UR_I 0x20 /* diag210 unit record input device class */
	15	#define DEV_CLASS_UR_O 0x10 /* diag210 unit record output device class */
	16	/*
	17	* we only support z/VM's default unit record devices:
	18	* both in SPOOL directory control statement and in CP DEFINE statement
	19	* RDR defaults to 2540 reader
	20	* PUN defaults to 2540 punch
	21	* PRT defaults to 1403 printer
	22	*/
	23	#define READER_PUNCH_DEVTYPE 0x2540
	24	#define PRINTER_DEVTYPE 0x1403
	25
	26	/* z/VM spool file control block SFBLOK */
	27	struct file_control_block {
	28	char reserved_1[8];
	29	char user_owner[8];
	30	char user_orig[8];
	31	__s32 data_recs;
	32	__s16 rec_len;
	33	__s16 file_num;
	34	__u8 file_stat;
	35	__u8 dev_type;
	36	char reserved_2[6];
	37	char file_name[12];
	38	char file_type[12];
	39	char create_date[8];
	40	char create_time[8];
	41	char reserved_3[6];
	42	__u8 file_class;
	43	__u8 sfb_lok;
	44	__u64 distr_code;
	45	__u32 reserved_4;
	46	__u8 current_starting_copy_number;
	47	__u8 sfblock_cntrl_flags;
	48	__u8 reserved_5;
	49	__u8 more_status_flags;
	50	char rest[200];
	51	} __attribute__ ((packed));
	52
	53	#define FLG_CP_DUMP 0x10
	54
	55	/*
	56	* A struct urdev is created for each ur device that is made available
	57	* via the ccw_device driver model.
	58	*/
	59	struct urdev {
	60	struct ccw_device cdev; / Backpointer to ccw device */
	61	struct mutex io_mutex; /* Serialises device IO */
	62	struct mutex open_mutex; /* Serialises access to device */
	63	struct completion io_done; / do_ur_io waits; irq completes */
	64	struct device *device;
	65	struct cdev *char_device;
	66	struct ccw_dev_id dev_id; /* device id */
	67	size_t reclen; /* Record length for write CCWs */
	68	int class; /* VM device class */
	69	int io_request_rc; /* return code from I/O request */
	70	};
	71
	72	/*
	73	* A struct urfile is allocated at open() time for each device and
	74	* freed on release().
	75	*/
	76	struct urfile {
	77	struct urdev *urd;
	78	unsigned int flags;
	79	size_t dev_reclen;
	80	__u16 file_reclen;
	81	};
	82
	83	/*
	84	* Device major/minor definitions.
	85	*/
	86
	87	#define UR_MAJOR 0 /* get dynamic major */
	88	/*
	89	* We map minor numbers directly to device numbers (0-FFFF) for simplicity.
	90	* This avoids having to allocate (and manage) slot numbers.
	91	*/
	92	#define NUM_MINORS 65536
	93
	94	/* Limiting each I/O to 511 records limits chan prog to 4KB (511 r/w + 1 NOP) */
	95	#define MAX_RECS_PER_IO 511
	96	#define WRITE_CCW_CMD 0x01
	97
	98	#define TRACE(x...) debug_sprintf_event(vmur_dbf, 1, x)
	99	#define CCWDEV_CU_DI(cutype, di) \
	100	CCW_DEVICE(cutype, 0x00), .driver_info = (di)
	101
	102	#define FILE_RECLEN_OFFSET 4064 /* reclen offset in spool data block */
	103
	104	#endif /* _VMUR_H_ */