disable FB

hc

2024-01-04 1543e317f1da31b75942316931e8f491a8920811

 kernel/drivers/s390/char/sclp.h
..
..
@@ -63,6 +63,9 @@
63
63
 typedef unsigned int sclp_cmdw_t;
64
64
 
65
65
 #define SCLP_CMDW_READ_CPU_INFO		0x00010001
66
+#define SCLP_CMDW_READ_SCP_INFO		0x00020001
67
+#define SCLP_CMDW_READ_STORAGE_INFO	0x00040001
68
+#define SCLP_CMDW_READ_SCP_INFO_FORCED	0x00120001
66
69
 #define SCLP_CMDW_READ_EVENT_DATA	0x00770005
67
70
 #define SCLP_CMDW_WRITE_EVENT_DATA	0x00760005
68
71
 #define SCLP_CMDW_WRITE_EVENT_MASK	0x00780005
..
..
@@ -156,6 +159,58 @@
156
159
 	u8	reserved[4096 - 16];
157
160
 } __attribute__((packed, aligned(PAGE_SIZE)));
158
161
 
162
+struct read_info_sccb {
163
+	struct	sccb_header header;	/* 0-7 */
164
+	u16	rnmax;			/* 8-9 */
165
+	u8	rnsize;			/* 10 */
166
+	u8	_pad_11[16 - 11];	/* 11-15 */
167
+	u16	ncpurl;			/* 16-17 */
168
+	u16	cpuoff;			/* 18-19 */
169
+	u8	_pad_20[24 - 20];	/* 20-23 */
170
+	u8	loadparm[8];		/* 24-31 */
171
+	u8	_pad_32[42 - 32];	/* 32-41 */
172
+	u8	fac42;			/* 42 */
173
+	u8	fac43;			/* 43 */
174
+	u8	_pad_44[48 - 44];	/* 44-47 */
175
+	u64	facilities;		/* 48-55 */
176
+	u8	_pad_56[66 - 56];	/* 56-65 */
177
+	u8	fac66;			/* 66 */
178
+	u8	_pad_67[76 - 67];	/* 67-83 */
179
+	u32	ibc;			/* 76-79 */
180
+	u8	_pad80[84 - 80];	/* 80-83 */
181
+	u8	fac84;			/* 84 */
182
+	u8	fac85;			/* 85 */
183
+	u8	_pad_86[91 - 86];	/* 86-90 */
184
+	u8	fac91;			/* 91 */
185
+	u8	_pad_92[98 - 92];	/* 92-97 */
186
+	u8	fac98;			/* 98 */
187
+	u8	hamaxpow;		/* 99 */
188
+	u32	rnsize2;		/* 100-103 */
189
+	u64	rnmax2;			/* 104-111 */
190
+	u32	hsa_size;		/* 112-115 */
191
+	u8	fac116;			/* 116 */
192
+	u8	fac117;			/* 117 */
193
+	u8	fac118;			/* 118 */
194
+	u8	fac119;			/* 119 */
195
+	u16	hcpua;			/* 120-121 */
196
+	u8	_pad_122[124 - 122];	/* 122-123 */
197
+	u32	hmfai;			/* 124-127 */
198
+	u8	_pad_128[134 - 128];	/* 128-133 */
199
+	u8	byte_134;			/* 134 */
200
+	u8	cpudirq;		/* 135 */
201
+	u16	cbl;			/* 136-137 */
202
+	u8	_pad_138[4096 - 138];	/* 138-4095 */
203
+} __packed __aligned(PAGE_SIZE);
204
+
205
+struct read_storage_sccb {
206
+	struct sccb_header header;
207
+	u16 max_id;
208
+	u16 assigned;
209
+	u16 standby;
210
+	u16 :16;
211
+	u32 entries[0];
212
+} __packed;
213
+
159
214
 static inline void sclp_fill_core_info(struct sclp_core_info *info,
160
215
 				       struct read_cpu_info_sccb *sccb)
161
216
 {
..
..
@@ -174,7 +229,7 @@
174
229
 #define SCLP_HAS_CPU_INFO	(sclp.facilities & 0x0800000000000000ULL)
175
230
 #define SCLP_HAS_CPU_RECONFIG	(sclp.facilities & 0x0400000000000000ULL)
176
231
 #define SCLP_HAS_PCI_RECONFIG	(sclp.facilities & 0x0000000040000000ULL)
177
-
232
+#define SCLP_HAS_AP_RECONFIG	(sclp.facilities & 0x0000000100000000ULL)
178
233
 
179
234
 struct gds_subvector {
180
235
 	u8	length;
..
..
@@ -250,9 +305,7 @@
250
305
 int sclp_reactivate(void);
251
306
 int sclp_sync_request(sclp_cmdw_t command, void *sccb);
252
307
 int sclp_sync_request_timeout(sclp_cmdw_t command, void *sccb, int timeout);
253
-
254
308
 int sclp_sdias_init(void);
255
-void sclp_sdias_exit(void);
256
309
 
257
310
 enum {
258
311
 	sclp_init_state_uninitialized,
..
..
@@ -266,7 +319,7 @@
266
319
 extern unsigned long sclp_console_full;
267
320
 extern bool sclp_mask_compat_mode;
268
321
 
269
-extern char sclp_early_sccb[PAGE_SIZE];
322
+extern char *sclp_early_sccb;
270
323
 
271
324
 void sclp_early_wait_irq(void);
272
325
 int sclp_early_cmd(sclp_cmdw_t cmd, void *sccb);
..
..
@@ -275,6 +328,7 @@
275
328
 int sclp_early_set_event_mask(struct init_sccb *sccb,
276
329
 			      sccb_mask_t receive_mask,
277
330
 			      sccb_mask_t send_mask);
331
+int sclp_early_get_info(struct read_info_sccb *info);
278
332
 
279
333
 /* useful inlines */
280
334
 
..
..
@@ -311,14 +365,14 @@
311
365
 
312
366
 /* translate string from EBCDIC to ASCII */
313
367
 static inline void
314
-sclp_ebcasc_str(unsigned char *str, int nr)
368
+sclp_ebcasc_str(char *str, int nr)
315
369
 {
316
370
 	(MACHINE_IS_VM) ? EBCASC(str, nr) : EBCASC_500(str, nr);
317
371
 }
318
372
 
319
373
 /* translate string from ASCII to EBCDIC */
320
374
 static inline void
321
-sclp_ascebc_str(unsigned char *str, int nr)
375
+sclp_ascebc_str(char *str, int nr)
322
376
 {
323
377
 	(MACHINE_IS_VM) ? ASCEBC(str, nr) : ASCEBC_500(str, nr);
324
378
 }