Commit | Line | Data |
---|---|---|
1da177e4 | 1 | /* |
62b74942 | 2 | * Copyright IBM Corp. 1999, 2009 |
1da177e4 | 3 | * |
62b74942 MH |
4 | * Author(s): Martin Peschke <mpeschke@de.ibm.com> |
5 | * Martin Schwidefsky <schwidefsky@de.ibm.com> | |
1da177e4 LT |
6 | */ |
7 | ||
8 | #ifndef __SCLP_H__ | |
9 | #define __SCLP_H__ | |
10 | ||
11 | #include <linux/types.h> | |
12 | #include <linux/list.h> | |
ab14de6c | 13 | #include <asm/sclp.h> |
1da177e4 LT |
14 | #include <asm/ebcdic.h> |
15 | ||
16 | /* maximum number of pages concerning our own memory management */ | |
17 | #define MAX_KMEM_PAGES (sizeof(unsigned long) << 3) | |
62b74942 | 18 | #define MAX_CONSOLE_PAGES 6 |
1da177e4 | 19 | |
6d4740c8 SH |
20 | #define EVTYP_OPCMD 0x01 |
21 | #define EVTYP_MSG 0x02 | |
22 | #define EVTYP_STATECHANGE 0x08 | |
23 | #define EVTYP_PMSGCMD 0x09 | |
24 | #define EVTYP_CNTLPROGOPCMD 0x20 | |
25 | #define EVTYP_CNTLPROGIDENT 0x0B | |
26 | #define EVTYP_SIGQUIESCE 0x1D | |
27 | #define EVTYP_VT220MSG 0x1A | |
2fc2d1e9 | 28 | #define EVTYP_CONFMGMDATA 0x04 |
6d4740c8 | 29 | #define EVTYP_SDIAS 0x1C |
c114728a | 30 | #define EVTYP_ASYNC 0x0A |
6d4740c8 SH |
31 | |
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 | |
2fc2d1e9 | 40 | #define EVTYP_CONFMGMDATA_MASK 0x10000000 |
6d4740c8 | 41 | #define EVTYP_SDIAS_MASK 0x00000010 |
c114728a | 42 | #define EVTYP_ASYNC_MASK 0x00400000 |
6d4740c8 SH |
43 | |
44 | #define GNRLMSGFLGS_DOM 0x8000 | |
45 | #define GNRLMSGFLGS_SNDALRM 0x4000 | |
46 | #define GNRLMSGFLGS_HOLDMSG 0x2000 | |
47 | ||
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 | |
1da177e4 LT |
53 | |
54 | typedef unsigned int sclp_cmdw_t; | |
55 | ||
ab14de6c HC |
56 | #define SCLP_CMDW_READ_EVENT_DATA 0x00770005 |
57 | #define SCLP_CMDW_WRITE_EVENT_DATA 0x00760005 | |
58 | #define SCLP_CMDW_WRITE_EVENT_MASK 0x00780005 | |
1da177e4 LT |
59 | |
60 | #define GDS_ID_MDSMU 0x1310 | |
6d4740c8 SH |
61 | #define GDS_ID_MDSROUTEINFO 0x1311 |
62 | #define GDS_ID_AGUNWRKCORR 0x1549 | |
63 | #define GDS_ID_SNACONDREPORT 0x1532 | |
1da177e4 | 64 | #define GDS_ID_CPMSU 0x1212 |
6d4740c8 SH |
65 | #define GDS_ID_ROUTTARGINSTR 0x154D |
66 | #define GDS_ID_OPREQ 0x8070 | |
67 | #define GDS_ID_TEXTCMD 0x1320 | |
1da177e4 | 68 | |
6d4740c8 | 69 | #define GDS_KEY_SELFDEFTEXTMSG 0x31 |
1da177e4 | 70 | |
62b74942 MH |
71 | enum sclp_pm_event { |
72 | SCLP_PM_EVENT_FREEZE, | |
73 | SCLP_PM_EVENT_THAW, | |
74 | SCLP_PM_EVENT_RESTORE, | |
75 | }; | |
76 | ||
77 | #define SCLP_PANIC_PRIO 1 | |
78 | #define SCLP_PANIC_PRIO_CLIENT 0 | |
79 | ||
1da177e4 LT |
80 | typedef u32 sccb_mask_t; /* ATTENTION: assumes 32bit mask !!! */ |
81 | ||
05dd2530 HC |
82 | struct sccb_header { |
83 | u16 length; | |
84 | u8 function_code; | |
85 | u8 control_mask[3]; | |
86 | u16 response_code; | |
87 | } __attribute__((packed)); | |
88 | ||
83119ad4 | 89 | extern u64 sclp_facilities; |
83119ad4 HC |
90 | #define SCLP_HAS_CHP_INFO (sclp_facilities & 0x8000000000000000ULL) |
91 | #define SCLP_HAS_CHP_RECONFIG (sclp_facilities & 0x2000000000000000ULL) | |
08d07968 HC |
92 | #define SCLP_HAS_CPU_INFO (sclp_facilities & 0x0800000000000000ULL) |
93 | #define SCLP_HAS_CPU_RECONFIG (sclp_facilities & 0x0400000000000000ULL) | |
83119ad4 | 94 | |
c114728a | 95 | |
1da177e4 LT |
96 | struct gds_subvector { |
97 | u8 length; | |
98 | u8 key; | |
99 | } __attribute__((packed)); | |
100 | ||
101 | struct gds_vector { | |
102 | u16 length; | |
103 | u16 gds_id; | |
104 | } __attribute__((packed)); | |
105 | ||
106 | struct evbuf_header { | |
107 | u16 length; | |
108 | u8 type; | |
109 | u8 flags; | |
110 | u16 _reserved; | |
111 | } __attribute__((packed)); | |
112 | ||
113 | struct sclp_req { | |
114 | struct list_head list; /* list_head for request queueing. */ | |
115 | sclp_cmdw_t command; /* sclp command to execute */ | |
116 | void *sccb; /* pointer to the sccb to execute */ | |
117 | char status; /* status of this request */ | |
118 | int start_count; /* number of SVCs done for this req */ | |
119 | /* Callback that is called after reaching final status. */ | |
120 | void (*callback)(struct sclp_req *, void *data); | |
121 | void *callback_data; | |
122 | }; | |
123 | ||
124 | #define SCLP_REQ_FILLED 0x00 /* request is ready to be processed */ | |
125 | #define SCLP_REQ_QUEUED 0x01 /* request is queued to be processed */ | |
126 | #define SCLP_REQ_RUNNING 0x02 /* request is currently running */ | |
127 | #define SCLP_REQ_DONE 0x03 /* request is completed successfully */ | |
128 | #define SCLP_REQ_FAILED 0x05 /* request is finally failed */ | |
129 | ||
130 | /* function pointers that a high level driver has to use for registration */ | |
131 | /* of some routines it wants to be called from the low level driver */ | |
132 | struct sclp_register { | |
133 | struct list_head list; | |
d082d3ce | 134 | /* User wants to receive: */ |
1da177e4 | 135 | sccb_mask_t receive_mask; |
d082d3ce | 136 | /* User wants to send: */ |
1da177e4 | 137 | sccb_mask_t send_mask; |
d082d3ce | 138 | /* H/W can receive: */ |
1da177e4 | 139 | sccb_mask_t sclp_receive_mask; |
d082d3ce | 140 | /* H/W can send: */ |
1da177e4 LT |
141 | sccb_mask_t sclp_send_mask; |
142 | /* called if event type availability changes */ | |
143 | void (*state_change_fn)(struct sclp_register *); | |
144 | /* called for events in cp_receive_mask/sclp_receive_mask */ | |
145 | void (*receiver_fn)(struct evbuf_header *); | |
62b74942 MH |
146 | /* called for power management events */ |
147 | void (*pm_event_fn)(struct sclp_register *, enum sclp_pm_event); | |
148 | /* pm event posted flag */ | |
149 | int pm_event_posted; | |
1da177e4 LT |
150 | }; |
151 | ||
152 | /* externals from sclp.c */ | |
153 | int sclp_add_request(struct sclp_req *req); | |
154 | void sclp_sync_wait(void); | |
155 | int sclp_register(struct sclp_register *reg); | |
156 | void sclp_unregister(struct sclp_register *reg); | |
157 | int sclp_remove_processed(struct sccb_header *sccb); | |
158 | int sclp_deactivate(void); | |
159 | int sclp_reactivate(void); | |
ab14de6c | 160 | int sclp_service_call(sclp_cmdw_t command, void *sccb); |
1da177e4 | 161 | |
763968e2 HC |
162 | int sclp_sdias_init(void); |
163 | void sclp_sdias_exit(void); | |
164 | ||
1da177e4 LT |
165 | /* useful inlines */ |
166 | ||
167 | /* VM uses EBCDIC 037, LPAR+native(SE+HMC) use EBCDIC 500 */ | |
168 | /* translate single character from ASCII to EBCDIC */ | |
169 | static inline unsigned char | |
170 | sclp_ascebc(unsigned char ch) | |
171 | { | |
172 | return (MACHINE_IS_VM) ? _ascebc[ch] : _ascebc_500[ch]; | |
173 | } | |
174 | ||
175 | /* translate string from EBCDIC to ASCII */ | |
176 | static inline void | |
177 | sclp_ebcasc_str(unsigned char *str, int nr) | |
178 | { | |
179 | (MACHINE_IS_VM) ? EBCASC(str, nr) : EBCASC_500(str, nr); | |
180 | } | |
181 | ||
182 | /* translate string from ASCII to EBCDIC */ | |
183 | static inline void | |
184 | sclp_ascebc_str(unsigned char *str, int nr) | |
185 | { | |
186 | (MACHINE_IS_VM) ? ASCEBC(str, nr) : ASCEBC_500(str, nr); | |
187 | } | |
188 | ||
189 | #endif /* __SCLP_H__ */ |