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-rw-r--r--include/asm-s390/ccwdev.h192
1 files changed, 0 insertions, 192 deletions
diff --git a/include/asm-s390/ccwdev.h b/include/asm-s390/ccwdev.h
deleted file mode 100644
index ba007d8df941..000000000000
--- a/include/asm-s390/ccwdev.h
+++ /dev/null
@@ -1,192 +0,0 @@
1/*
2 * include/asm-s390/ccwdev.h
3 * include/asm-s390x/ccwdev.h
4 *
5 * Copyright (C) 2002 IBM Deutschland Entwicklung GmbH, IBM Corporation
6 * Author(s): Arnd Bergmann <arndb@de.ibm.com>
7 *
8 * Interface for CCW device drivers
9 */
10#ifndef _S390_CCWDEV_H_
11#define _S390_CCWDEV_H_
12
13#include <linux/device.h>
14#include <linux/mod_devicetable.h>
15#include <asm/fcx.h>
16
17/* structs from asm/cio.h */
18struct irb;
19struct ccw1;
20struct ccw_dev_id;
21
22/* simplified initializers for struct ccw_device:
23 * CCW_DEVICE and CCW_DEVICE_DEVTYPE initialize one
24 * entry in your MODULE_DEVICE_TABLE and set the match_flag correctly */
25#define CCW_DEVICE(cu, cum) \
26 .cu_type=(cu), .cu_model=(cum), \
27 .match_flags=(CCW_DEVICE_ID_MATCH_CU_TYPE \
28 | (cum ? CCW_DEVICE_ID_MATCH_CU_MODEL : 0))
29
30#define CCW_DEVICE_DEVTYPE(cu, cum, dev, devm) \
31 .cu_type=(cu), .cu_model=(cum), .dev_type=(dev), .dev_model=(devm),\
32 .match_flags=CCW_DEVICE_ID_MATCH_CU_TYPE \
33 | ((cum) ? CCW_DEVICE_ID_MATCH_CU_MODEL : 0) \
34 | CCW_DEVICE_ID_MATCH_DEVICE_TYPE \
35 | ((devm) ? CCW_DEVICE_ID_MATCH_DEVICE_MODEL : 0)
36
37/* scan through an array of device ids and return the first
38 * entry that matches the device.
39 *
40 * the array must end with an entry containing zero match_flags
41 */
42static inline const struct ccw_device_id *
43ccw_device_id_match(const struct ccw_device_id *array,
44 const struct ccw_device_id *match)
45{
46 const struct ccw_device_id *id = array;
47
48 for (id = array; id->match_flags; id++) {
49 if ((id->match_flags & CCW_DEVICE_ID_MATCH_CU_TYPE)
50 && (id->cu_type != match->cu_type))
51 continue;
52
53 if ((id->match_flags & CCW_DEVICE_ID_MATCH_CU_MODEL)
54 && (id->cu_model != match->cu_model))
55 continue;
56
57 if ((id->match_flags & CCW_DEVICE_ID_MATCH_DEVICE_TYPE)
58 && (id->dev_type != match->dev_type))
59 continue;
60
61 if ((id->match_flags & CCW_DEVICE_ID_MATCH_DEVICE_MODEL)
62 && (id->dev_model != match->dev_model))
63 continue;
64
65 return id;
66 }
67
68 return NULL;
69}
70
71/**
72 * struct ccw_device - channel attached device
73 * @ccwlock: pointer to device lock
74 * @id: id of this device
75 * @drv: ccw driver for this device
76 * @dev: embedded device structure
77 * @online: online status of device
78 * @handler: interrupt handler
79 *
80 * @handler is a member of the device rather than the driver since a driver
81 * can have different interrupt handlers for different ccw devices
82 * (multi-subchannel drivers).
83 */
84struct ccw_device {
85 spinlock_t *ccwlock;
86/* private: */
87 struct ccw_device_private *private; /* cio private information */
88/* public: */
89 struct ccw_device_id id;
90 struct ccw_driver *drv;
91 struct device dev;
92 int online;
93 void (*handler) (struct ccw_device *, unsigned long, struct irb *);
94};
95
96
97/**
98 * struct ccw driver - device driver for channel attached devices
99 * @owner: owning module
100 * @ids: ids supported by this driver
101 * @probe: function called on probe
102 * @remove: function called on remove
103 * @set_online: called when setting device online
104 * @set_offline: called when setting device offline
105 * @notify: notify driver of device state changes
106 * @shutdown: called at device shutdown
107 * @driver: embedded device driver structure
108 * @name: device driver name
109 */
110struct ccw_driver {
111 struct module *owner;
112 struct ccw_device_id *ids;
113 int (*probe) (struct ccw_device *);
114 void (*remove) (struct ccw_device *);
115 int (*set_online) (struct ccw_device *);
116 int (*set_offline) (struct ccw_device *);
117 int (*notify) (struct ccw_device *, int);
118 void (*shutdown) (struct ccw_device *);
119 struct device_driver driver;
120 char *name;
121};
122
123extern struct ccw_device *get_ccwdev_by_busid(struct ccw_driver *cdrv,
124 const char *bus_id);
125
126/* devices drivers call these during module load and unload.
127 * When a driver is registered, its probe method is called
128 * when new devices for its type pop up */
129extern int ccw_driver_register (struct ccw_driver *driver);
130extern void ccw_driver_unregister (struct ccw_driver *driver);
131
132struct ccw1;
133
134extern int ccw_device_set_options_mask(struct ccw_device *, unsigned long);
135extern int ccw_device_set_options(struct ccw_device *, unsigned long);
136extern void ccw_device_clear_options(struct ccw_device *, unsigned long);
137
138/* Allow for i/o completion notification after primary interrupt status. */
139#define CCWDEV_EARLY_NOTIFICATION 0x0001
140/* Report all interrupt conditions. */
141#define CCWDEV_REPORT_ALL 0x0002
142/* Try to perform path grouping. */
143#define CCWDEV_DO_PATHGROUP 0x0004
144/* Allow forced onlining of boxed devices. */
145#define CCWDEV_ALLOW_FORCE 0x0008
146
147extern int ccw_device_start(struct ccw_device *, struct ccw1 *,
148 unsigned long, __u8, unsigned long);
149extern int ccw_device_start_timeout(struct ccw_device *, struct ccw1 *,
150 unsigned long, __u8, unsigned long, int);
151extern int ccw_device_start_key(struct ccw_device *, struct ccw1 *,
152 unsigned long, __u8, __u8, unsigned long);
153extern int ccw_device_start_timeout_key(struct ccw_device *, struct ccw1 *,
154 unsigned long, __u8, __u8,
155 unsigned long, int);
156
157
158extern int ccw_device_resume(struct ccw_device *);
159extern int ccw_device_halt(struct ccw_device *, unsigned long);
160extern int ccw_device_clear(struct ccw_device *, unsigned long);
161int ccw_device_tm_start_key(struct ccw_device *cdev, struct tcw *tcw,
162 unsigned long intparm, u8 lpm, u8 key);
163int ccw_device_tm_start_key(struct ccw_device *, struct tcw *,
164 unsigned long, u8, u8);
165int ccw_device_tm_start_timeout_key(struct ccw_device *, struct tcw *,
166 unsigned long, u8, u8, int);
167int ccw_device_tm_start(struct ccw_device *, struct tcw *,
168 unsigned long, u8);
169int ccw_device_tm_start_timeout(struct ccw_device *, struct tcw *,
170 unsigned long, u8, int);
171int ccw_device_tm_intrg(struct ccw_device *cdev);
172
173extern int ccw_device_set_online(struct ccw_device *cdev);
174extern int ccw_device_set_offline(struct ccw_device *cdev);
175
176
177extern struct ciw *ccw_device_get_ciw(struct ccw_device *, __u32 cmd);
178extern __u8 ccw_device_get_path_mask(struct ccw_device *);
179extern void ccw_device_get_id(struct ccw_device *, struct ccw_dev_id *);
180
181#define get_ccwdev_lock(x) (x)->ccwlock
182
183#define to_ccwdev(n) container_of(n, struct ccw_device, dev)
184#define to_ccwdrv(n) container_of(n, struct ccw_driver, driver)
185
186extern struct ccw_device *ccw_device_probe_console(void);
187
188// FIXME: these have to go
189extern int _ccw_device_get_subchannel_number(struct ccw_device *);
190
191extern void *ccw_device_get_chp_desc(struct ccw_device *, int);
192#endif /* _S390_CCWDEV_H_ */
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