2 * drivers/s390/char/sclp.h
5 * Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation
6 * Author(s): Martin Peschke <mpeschke@de.ibm.com>
7 * Martin Schwidefsky <schwidefsky@de.ibm.com>
13 #include <linux/types.h>
14 #include <linux/list.h>
16 #include <asm/ebcdic.h>
18 /* maximum number of pages concerning our own memory management */
19 #define MAX_KMEM_PAGES (sizeof(unsigned long) << 3)
20 #define MAX_CONSOLE_PAGES 4
22 #define EVTYP_OPCMD 0x01
23 #define EVTYP_MSG 0x02
24 #define EVTYP_STATECHANGE 0x08
25 #define EVTYP_PMSGCMD 0x09
26 #define EVTYP_CNTLPROGOPCMD 0x20
27 #define EVTYP_CNTLPROGIDENT 0x0B
28 #define EVTYP_SIGQUIESCE 0x1D
29 #define EVTYP_VT220MSG 0x1A
30 #define EVTYP_CONFMGMDATA 0x04
31 #define EVTYP_SDIAS 0x1C
33 #define EVTYP_OPCMD_MASK 0x80000000
34 #define EVTYP_MSG_MASK 0x40000000
35 #define EVTYP_STATECHANGE_MASK 0x01000000
36 #define EVTYP_PMSGCMD_MASK 0x00800000
37 #define EVTYP_CTLPROGOPCMD_MASK 0x00000001
38 #define EVTYP_CTLPROGIDENT_MASK 0x00200000
39 #define EVTYP_SIGQUIESCE_MASK 0x00000008
40 #define EVTYP_VT220MSG_MASK 0x00000040
41 #define EVTYP_CONFMGMDATA_MASK 0x10000000
42 #define EVTYP_SDIAS_MASK 0x00000010
44 #define GNRLMSGFLGS_DOM 0x8000
45 #define GNRLMSGFLGS_SNDALRM 0x4000
46 #define GNRLMSGFLGS_HOLDMSG 0x2000
48 #define LNTPFLGS_CNTLTEXT 0x8000
49 #define LNTPFLGS_LABELTEXT 0x4000
50 #define LNTPFLGS_DATATEXT 0x2000
51 #define LNTPFLGS_ENDTEXT 0x1000
52 #define LNTPFLGS_PROMPTTEXT 0x0800
54 typedef unsigned int sclp_cmdw_t;
56 #define SCLP_CMDW_READ_EVENT_DATA 0x00770005
57 #define SCLP_CMDW_WRITE_EVENT_DATA 0x00760005
58 #define SCLP_CMDW_WRITE_EVENT_MASK 0x00780005
59 #define SCLP_CMDW_READ_SCP_INFO 0x00020001
60 #define SCLP_CMDW_READ_SCP_INFO_FORCED 0x00120001
62 #define GDS_ID_MDSMU 0x1310
63 #define GDS_ID_MDSROUTEINFO 0x1311
64 #define GDS_ID_AGUNWRKCORR 0x1549
65 #define GDS_ID_SNACONDREPORT 0x1532
66 #define GDS_ID_CPMSU 0x1212
67 #define GDS_ID_ROUTTARGINSTR 0x154D
68 #define GDS_ID_OPREQ 0x8070
69 #define GDS_ID_TEXTCMD 0x1320
71 #define GDS_KEY_SELFDEFTEXTMSG 0x31
73 typedef u32 sccb_mask_t; /* ATTENTION: assumes 32bit mask !!! */
80 } __attribute__((packed));
82 struct gds_subvector {
85 } __attribute__((packed));
90 } __attribute__((packed));
97 } __attribute__((packed));
100 struct list_head list; /* list_head for request queueing. */
101 sclp_cmdw_t command; /* sclp command to execute */
102 void *sccb; /* pointer to the sccb to execute */
103 char status; /* status of this request */
104 int start_count; /* number of SVCs done for this req */
105 /* Callback that is called after reaching final status. */
106 void (*callback)(struct sclp_req *, void *data);
110 #define SCLP_REQ_FILLED 0x00 /* request is ready to be processed */
111 #define SCLP_REQ_QUEUED 0x01 /* request is queued to be processed */
112 #define SCLP_REQ_RUNNING 0x02 /* request is currently running */
113 #define SCLP_REQ_DONE 0x03 /* request is completed successfully */
114 #define SCLP_REQ_FAILED 0x05 /* request is finally failed */
116 /* function pointers that a high level driver has to use for registration */
117 /* of some routines it wants to be called from the low level driver */
118 struct sclp_register {
119 struct list_head list;
120 /* event masks this user is registered for */
121 sccb_mask_t receive_mask;
122 sccb_mask_t send_mask;
123 /* actually present events */
124 sccb_mask_t sclp_receive_mask;
125 sccb_mask_t sclp_send_mask;
126 /* called if event type availability changes */
127 void (*state_change_fn)(struct sclp_register *);
128 /* called for events in cp_receive_mask/sclp_receive_mask */
129 void (*receiver_fn)(struct evbuf_header *);
132 /* externals from sclp.c */
133 int sclp_add_request(struct sclp_req *req);
134 void sclp_sync_wait(void);
135 int sclp_register(struct sclp_register *reg);
136 void sclp_unregister(struct sclp_register *reg);
137 int sclp_remove_processed(struct sccb_header *sccb);
138 int sclp_deactivate(void);
139 int sclp_reactivate(void);
140 int sclp_service_call(sclp_cmdw_t command, void *sccb);
142 int sclp_sdias_init(void);
143 void sclp_sdias_exit(void);
147 /* VM uses EBCDIC 037, LPAR+native(SE+HMC) use EBCDIC 500 */
148 /* translate single character from ASCII to EBCDIC */
149 static inline unsigned char
150 sclp_ascebc(unsigned char ch)
152 return (MACHINE_IS_VM) ? _ascebc[ch] : _ascebc_500[ch];
155 /* translate string from EBCDIC to ASCII */
157 sclp_ebcasc_str(unsigned char *str, int nr)
159 (MACHINE_IS_VM) ? EBCASC(str, nr) : EBCASC_500(str, nr);
162 /* translate string from ASCII to EBCDIC */
164 sclp_ascebc_str(unsigned char *str, int nr)
166 (MACHINE_IS_VM) ? ASCEBC(str, nr) : ASCEBC_500(str, nr);
169 #endif /* __SCLP_H__ */