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8#ifndef __SCLP_H__
9#define __SCLP_H__
10
11#include <linux/types.h>
12#include <linux/list.h>
13#include <asm/sclp.h>
14#include <asm/ebcdic.h>
15
16
17#define MAX_KMEM_PAGES (sizeof(unsigned long) << 3)
18#define SCLP_CONSOLE_PAGES 6
19
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
28#define EVTYP_CONFMGMDATA 0x04
29#define EVTYP_SDIAS 0x1C
30#define EVTYP_ASYNC 0x0A
31#define EVTYP_OCF 0x1E
32
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
43#define EVTYP_ASYNC_MASK 0x00400000
44#define EVTYP_OCF_MASK 0x00000004
45
46#define GNRLMSGFLGS_DOM 0x8000
47#define GNRLMSGFLGS_SNDALRM 0x4000
48#define GNRLMSGFLGS_HOLDMSG 0x2000
49
50#define LNTPFLGS_CNTLTEXT 0x8000
51#define LNTPFLGS_LABELTEXT 0x4000
52#define LNTPFLGS_DATATEXT 0x2000
53#define LNTPFLGS_ENDTEXT 0x1000
54#define LNTPFLGS_PROMPTTEXT 0x0800
55
56typedef unsigned int sclp_cmdw_t;
57
58#define SCLP_CMDW_READ_EVENT_DATA 0x00770005
59#define SCLP_CMDW_WRITE_EVENT_DATA 0x00760005
60#define SCLP_CMDW_WRITE_EVENT_MASK 0x00780005
61
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
70
71#define GDS_KEY_SELFDEFTEXTMSG 0x31
72
73enum sclp_pm_event {
74 SCLP_PM_EVENT_FREEZE,
75 SCLP_PM_EVENT_THAW,
76 SCLP_PM_EVENT_RESTORE,
77};
78
79#define SCLP_PANIC_PRIO 1
80#define SCLP_PANIC_PRIO_CLIENT 0
81
82typedef u32 sccb_mask_t;
83
84struct sccb_header {
85 u16 length;
86 u8 function_code;
87 u8 control_mask[3];
88 u16 response_code;
89} __attribute__((packed));
90
91struct init_sccb {
92 struct sccb_header header;
93 u16 _reserved;
94 u16 mask_length;
95 sccb_mask_t receive_mask;
96 sccb_mask_t send_mask;
97 sccb_mask_t sclp_receive_mask;
98 sccb_mask_t sclp_send_mask;
99} __attribute__((packed));
100
101extern u64 sclp_facilities;
102#define SCLP_HAS_CHP_INFO (sclp_facilities & 0x8000000000000000ULL)
103#define SCLP_HAS_CHP_RECONFIG (sclp_facilities & 0x2000000000000000ULL)
104#define SCLP_HAS_CPU_INFO (sclp_facilities & 0x0800000000000000ULL)
105#define SCLP_HAS_CPU_RECONFIG (sclp_facilities & 0x0400000000000000ULL)
106#define SCLP_HAS_PCI_RECONFIG (sclp_facilities & 0x0000000040000000ULL)
107
108
109struct gds_subvector {
110 u8 length;
111 u8 key;
112} __attribute__((packed));
113
114struct gds_vector {
115 u16 length;
116 u16 gds_id;
117} __attribute__((packed));
118
119struct evbuf_header {
120 u16 length;
121 u8 type;
122 u8 flags;
123 u16 _reserved;
124} __attribute__((packed));
125
126struct sclp_req {
127 struct list_head list;
128 sclp_cmdw_t command;
129 void *sccb;
130 char status;
131 int start_count;
132
133 void (*callback)(struct sclp_req *, void *data);
134 void *callback_data;
135};
136
137#define SCLP_REQ_FILLED 0x00
138#define SCLP_REQ_QUEUED 0x01
139#define SCLP_REQ_RUNNING 0x02
140#define SCLP_REQ_DONE 0x03
141#define SCLP_REQ_FAILED 0x05
142
143
144
145struct sclp_register {
146 struct list_head list;
147
148 sccb_mask_t receive_mask;
149
150 sccb_mask_t send_mask;
151
152 sccb_mask_t sclp_receive_mask;
153
154 sccb_mask_t sclp_send_mask;
155
156 void (*state_change_fn)(struct sclp_register *);
157
158 void (*receiver_fn)(struct evbuf_header *);
159
160 void (*pm_event_fn)(struct sclp_register *, enum sclp_pm_event);
161
162 int pm_event_posted;
163};
164
165
166int sclp_add_request(struct sclp_req *req);
167void sclp_sync_wait(void);
168int sclp_register(struct sclp_register *reg);
169void sclp_unregister(struct sclp_register *reg);
170int sclp_remove_processed(struct sccb_header *sccb);
171int sclp_deactivate(void);
172int sclp_reactivate(void);
173int sclp_service_call(sclp_cmdw_t command, void *sccb);
174int sclp_sync_request(sclp_cmdw_t command, void *sccb);
175
176int sclp_sdias_init(void);
177void sclp_sdias_exit(void);
178
179extern int sclp_console_pages;
180extern int sclp_console_drop;
181extern unsigned long sclp_console_full;
182
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184
185
186
187static inline unsigned char
188sclp_ascebc(unsigned char ch)
189{
190 return (MACHINE_IS_VM) ? _ascebc[ch] : _ascebc_500[ch];
191}
192
193
194static inline void
195sclp_ebcasc_str(unsigned char *str, int nr)
196{
197 (MACHINE_IS_VM) ? EBCASC(str, nr) : EBCASC_500(str, nr);
198}
199
200
201static inline void
202sclp_ascebc_str(unsigned char *str, int nr)
203{
204 (MACHINE_IS_VM) ? ASCEBC(str, nr) : ASCEBC_500(str, nr);
205}
206
207static inline struct gds_vector *
208sclp_find_gds_vector(void *start, void *end, u16 id)
209{
210 struct gds_vector *v;
211
212 for (v = start; (void *) v < end; v = (void *) v + v->length)
213 if (v->gds_id == id)
214 return v;
215 return NULL;
216}
217
218static inline struct gds_subvector *
219sclp_find_gds_subvector(void *start, void *end, u8 key)
220{
221 struct gds_subvector *sv;
222
223 for (sv = start; (void *) sv < end; sv = (void *) sv + sv->length)
224 if (sv->key == key)
225 return sv;
226 return NULL;
227}
228
229#endif
230
