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_SDIAS 0x1C
32 #define EvTyp_OpCmd_Mask 0x80000000
33 #define EvTyp_Msg_Mask 0x40000000
34 #define EvTyp_StateChange_Mask 0x01000000
35 #define EvTyp_PMsgCmd_Mask 0x00800000
36 #define EvTyp_CtlProgOpCmd_Mask 0x00000001
37 #define EvTyp_CtlProgIdent_Mask 0x00200000
38 #define EvTyp_SigQuiesce_Mask 0x00000008
39 #define EvTyp_VT220Msg_Mask 0x00000040
40 #define EvTyp_SDIAS_Mask 0x00000010
42 #define GnrlMsgFlgs_DOM 0x8000
43 #define GnrlMsgFlgs_SndAlrm 0x4000
44 #define GnrlMsgFlgs_HoldMsg 0x2000
46 #define LnTpFlgs_CntlText 0x8000
47 #define LnTpFlgs_LabelText 0x4000
48 #define LnTpFlgs_DataText 0x2000
49 #define LnTpFlgs_EndText 0x1000
50 #define LnTpFlgs_PromptText 0x0800
52 typedef unsigned int sclp_cmdw_t;
54 #define SCLP_CMDW_READ_EVENT_DATA 0x00770005
55 #define SCLP_CMDW_WRITE_EVENT_DATA 0x00760005
56 #define SCLP_CMDW_WRITE_EVENT_MASK 0x00780005
57 #define SCLP_CMDW_READ_SCP_INFO 0x00020001
58 #define SCLP_CMDW_READ_SCP_INFO_FORCED 0x00120001
60 #define GDS_ID_MDSMU 0x1310
61 #define GDS_ID_MDSRouteInfo 0x1311
62 #define GDS_ID_AgUnWrkCorr 0x1549
63 #define GDS_ID_SNACondReport 0x1532
64 #define GDS_ID_CPMSU 0x1212
65 #define GDS_ID_RoutTargInstr 0x154D
66 #define GDS_ID_OpReq 0x8070
67 #define GDS_ID_TextCmd 0x1320
69 #define GDS_KEY_SelfDefTextMsg 0x31
71 typedef u32 sccb_mask_t; /* ATTENTION: assumes 32bit mask !!! */
73 struct gds_subvector {
76 } __attribute__((packed));
81 } __attribute__((packed));
88 } __attribute__((packed));
91 struct list_head list; /* list_head for request queueing. */
92 sclp_cmdw_t command; /* sclp command to execute */
93 void *sccb; /* pointer to the sccb to execute */
94 char status; /* status of this request */
95 int start_count; /* number of SVCs done for this req */
96 /* Callback that is called after reaching final status. */
97 void (*callback)(struct sclp_req *, void *data);
101 #define SCLP_REQ_FILLED 0x00 /* request is ready to be processed */
102 #define SCLP_REQ_QUEUED 0x01 /* request is queued to be processed */
103 #define SCLP_REQ_RUNNING 0x02 /* request is currently running */
104 #define SCLP_REQ_DONE 0x03 /* request is completed successfully */
105 #define SCLP_REQ_FAILED 0x05 /* request is finally failed */
107 /* function pointers that a high level driver has to use for registration */
108 /* of some routines it wants to be called from the low level driver */
109 struct sclp_register {
110 struct list_head list;
111 /* event masks this user is registered for */
112 sccb_mask_t receive_mask;
113 sccb_mask_t send_mask;
114 /* actually present events */
115 sccb_mask_t sclp_receive_mask;
116 sccb_mask_t sclp_send_mask;
117 /* called if event type availability changes */
118 void (*state_change_fn)(struct sclp_register *);
119 /* called for events in cp_receive_mask/sclp_receive_mask */
120 void (*receiver_fn)(struct evbuf_header *);
123 /* externals from sclp.c */
124 int sclp_add_request(struct sclp_req *req);
125 void sclp_sync_wait(void);
126 int sclp_register(struct sclp_register *reg);
127 void sclp_unregister(struct sclp_register *reg);
128 int sclp_remove_processed(struct sccb_header *sccb);
129 int sclp_deactivate(void);
130 int sclp_reactivate(void);
131 int sclp_service_call(sclp_cmdw_t command, void *sccb);
135 /* VM uses EBCDIC 037, LPAR+native(SE+HMC) use EBCDIC 500 */
136 /* translate single character from ASCII to EBCDIC */
137 static inline unsigned char
138 sclp_ascebc(unsigned char ch)
140 return (MACHINE_IS_VM) ? _ascebc[ch] : _ascebc_500[ch];
143 /* translate string from EBCDIC to ASCII */
145 sclp_ebcasc_str(unsigned char *str, int nr)
147 (MACHINE_IS_VM) ? EBCASC(str, nr) : EBCASC_500(str, nr);
150 /* translate string from ASCII to EBCDIC */
152 sclp_ascebc_str(unsigned char *str, int nr)
154 (MACHINE_IS_VM) ? ASCEBC(str, nr) : ASCEBC_500(str, nr);
157 #endif /* __SCLP_H__ */