[PATCH] aic7xxx_osm build fix
[cris-mirror.git] / drivers / s390 / char / sclp.h
blob2c71d6ee7b5b63ef2ab295e33830258f6fd383a7
1 /*
2 * drivers/s390/char/sclp.h
4 * S390 version
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>
8 */
10 #ifndef __SCLP_H__
11 #define __SCLP_H__
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
31 #define EvTyp_OpCmd_Mask 0x80000000
32 #define EvTyp_Msg_Mask 0x40000000
33 #define EvTyp_StateChange_Mask 0x01000000
34 #define EvTyp_PMsgCmd_Mask 0x00800000
35 #define EvTyp_CtlProgOpCmd_Mask 0x00000001
36 #define EvTyp_CtlProgIdent_Mask 0x00200000
37 #define EvTyp_SigQuiesce_Mask 0x00000008
38 #define EvTyp_VT220Msg_Mask 0x00000040
40 #define GnrlMsgFlgs_DOM 0x8000
41 #define GnrlMsgFlgs_SndAlrm 0x4000
42 #define GnrlMsgFlgs_HoldMsg 0x2000
44 #define LnTpFlgs_CntlText 0x8000
45 #define LnTpFlgs_LabelText 0x4000
46 #define LnTpFlgs_DataText 0x2000
47 #define LnTpFlgs_EndText 0x1000
48 #define LnTpFlgs_PromptText 0x0800
50 typedef unsigned int sclp_cmdw_t;
52 #define SCLP_CMDW_READDATA 0x00770005
53 #define SCLP_CMDW_WRITEDATA 0x00760005
54 #define SCLP_CMDW_WRITEMASK 0x00780005
56 #define GDS_ID_MDSMU 0x1310
57 #define GDS_ID_MDSRouteInfo 0x1311
58 #define GDS_ID_AgUnWrkCorr 0x1549
59 #define GDS_ID_SNACondReport 0x1532
60 #define GDS_ID_CPMSU 0x1212
61 #define GDS_ID_RoutTargInstr 0x154D
62 #define GDS_ID_OpReq 0x8070
63 #define GDS_ID_TextCmd 0x1320
65 #define GDS_KEY_SelfDefTextMsg 0x31
67 typedef u32 sccb_mask_t; /* ATTENTION: assumes 32bit mask !!! */
69 struct sccb_header {
70 u16 length;
71 u8 function_code;
72 u8 control_mask[3];
73 u16 response_code;
74 } __attribute__((packed));
76 struct gds_subvector {
77 u8 length;
78 u8 key;
79 } __attribute__((packed));
81 struct gds_vector {
82 u16 length;
83 u16 gds_id;
84 } __attribute__((packed));
86 struct evbuf_header {
87 u16 length;
88 u8 type;
89 u8 flags;
90 u16 _reserved;
91 } __attribute__((packed));
93 struct sclp_req {
94 struct list_head list; /* list_head for request queueing. */
95 sclp_cmdw_t command; /* sclp command to execute */
96 void *sccb; /* pointer to the sccb to execute */
97 char status; /* status of this request */
98 int start_count; /* number of SVCs done for this req */
99 /* Callback that is called after reaching final status. */
100 void (*callback)(struct sclp_req *, void *data);
101 void *callback_data;
104 #define SCLP_REQ_FILLED 0x00 /* request is ready to be processed */
105 #define SCLP_REQ_QUEUED 0x01 /* request is queued to be processed */
106 #define SCLP_REQ_RUNNING 0x02 /* request is currently running */
107 #define SCLP_REQ_DONE 0x03 /* request is completed successfully */
108 #define SCLP_REQ_FAILED 0x05 /* request is finally failed */
110 /* function pointers that a high level driver has to use for registration */
111 /* of some routines it wants to be called from the low level driver */
112 struct sclp_register {
113 struct list_head list;
114 /* event masks this user is registered for */
115 sccb_mask_t receive_mask;
116 sccb_mask_t send_mask;
117 /* actually present events */
118 sccb_mask_t sclp_receive_mask;
119 sccb_mask_t sclp_send_mask;
120 /* called if event type availability changes */
121 void (*state_change_fn)(struct sclp_register *);
122 /* called for events in cp_receive_mask/sclp_receive_mask */
123 void (*receiver_fn)(struct evbuf_header *);
126 /* externals from sclp.c */
127 int sclp_add_request(struct sclp_req *req);
128 void sclp_sync_wait(void);
129 int sclp_register(struct sclp_register *reg);
130 void sclp_unregister(struct sclp_register *reg);
131 int sclp_remove_processed(struct sccb_header *sccb);
132 int sclp_deactivate(void);
133 int sclp_reactivate(void);
135 /* useful inlines */
137 /* VM uses EBCDIC 037, LPAR+native(SE+HMC) use EBCDIC 500 */
138 /* translate single character from ASCII to EBCDIC */
139 static inline unsigned char
140 sclp_ascebc(unsigned char ch)
142 return (MACHINE_IS_VM) ? _ascebc[ch] : _ascebc_500[ch];
145 /* translate string from EBCDIC to ASCII */
146 static inline void
147 sclp_ebcasc_str(unsigned char *str, int nr)
149 (MACHINE_IS_VM) ? EBCASC(str, nr) : EBCASC_500(str, nr);
152 /* translate string from ASCII to EBCDIC */
153 static inline void
154 sclp_ascebc_str(unsigned char *str, int nr)
156 (MACHINE_IS_VM) ? ASCEBC(str, nr) : ASCEBC_500(str, nr);
159 #endif /* __SCLP_H__ */