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r: 46180
b: refs/heads/master
c: cced1dd
h: refs/heads/master
v: v3
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Michael Holzheu authored and Martin Schwidefsky committed Feb 5, 2007
1 parent b467d07 commit bf2bded
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Showing 7 changed files with 646 additions and 37 deletions.
2 changes: 1 addition & 1 deletion [refs]
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@@ -1,2 +1,2 @@
---
refs/heads/master: fe355b7f1c7400cbb71762a1237461be03f88265
refs/heads/master: cced1dd42ebcebc7fa7f02fe487e48aa71752401
22 changes: 16 additions & 6 deletions trunk/drivers/s390/char/tape.h
Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,7 @@
* tape device driver for 3480/3490E/3590 tapes.
*
* S390 and zSeries version
* Copyright (C) 2001,2005 IBM Deutschland Entwicklung GmbH, IBM Corporation
* Copyright IBM Corp. 2001,2006
* Author(s): Carsten Otte <cotte@de.ibm.com>
* Tuan Ngo-Anh <ngoanh@de.ibm.com>
* Martin Schwidefsky <schwidefsky@de.ibm.com>
Expand Down Expand Up @@ -99,7 +99,11 @@ enum tape_op {
TO_DIS, /* Tape display */
TO_ASSIGN, /* Assign tape to channel path */
TO_UNASSIGN, /* Unassign tape from channel path */
TO_SIZE /* #entries in tape_op_t */
TO_CRYPT_ON, /* Enable encrpytion */
TO_CRYPT_OFF, /* Disable encrpytion */
TO_KEKL_SET, /* Set KEK label */
TO_KEKL_QUERY, /* Query KEK label */
TO_SIZE, /* #entries in tape_op_t */
};

/* Forward declaration */
Expand All @@ -112,6 +116,7 @@ enum tape_request_status {
TAPE_REQUEST_IN_IO, /* request is currently in IO */
TAPE_REQUEST_DONE, /* request is completed. */
TAPE_REQUEST_CANCEL, /* request should be canceled. */
TAPE_REQUEST_LONG_BUSY, /* request has to be restarted after long busy */
};

/* Tape CCW request */
Expand Down Expand Up @@ -164,10 +169,11 @@ struct tape_discipline {
* The discipline irq function either returns an error code (<0) which
* means that the request has failed with an error or one of the following:
*/
#define TAPE_IO_SUCCESS 0 /* request successful */
#define TAPE_IO_PENDING 1 /* request still running */
#define TAPE_IO_RETRY 2 /* retry to current request */
#define TAPE_IO_STOP 3 /* stop the running request */
#define TAPE_IO_SUCCESS 0 /* request successful */
#define TAPE_IO_PENDING 1 /* request still running */
#define TAPE_IO_RETRY 2 /* retry to current request */
#define TAPE_IO_STOP 3 /* stop the running request */
#define TAPE_IO_LONG_BUSY 4 /* delay the running request */

/* Char Frontend Data */
struct tape_char_data {
Expand Down Expand Up @@ -242,6 +248,10 @@ struct tape_device {

/* Function to start or stop the next request later. */
struct delayed_work tape_dnr;

/* Timer for long busy */
struct timer_list lb_timeout;

};

/* Externals from tape_core.c */
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