xref: /titanic_41/usr/src/uts/sun4u/sys/machsystm.h (revision 7c46fb7fef68117215a0c60a64149aaea1a38578)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef _SYS_MACHSYSTM_H
28 #define	_SYS_MACHSYSTM_H
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 /*
33  * Numerous platform-dependent interfaces that don't seem to belong
34  * in any other header file.
35  *
36  * This file should not be included by code that purports to be
37  * platform-independent.
38  */
39 
40 #ifndef _ASM
41 #include <sys/types.h>
42 #include <sys/scb.h>
43 #include <sys/varargs.h>
44 #include <sys/machparam.h>
45 #include <sys/thread.h>
46 #include <vm/seg_enum.h>
47 #include <sys/processor.h>
48 #include <sys/sunddi.h>
49 #include <sys/memlist.h>
50 #include <sys/async.h>
51 #include <sys/errorq.h>
52 #endif /* _ASM */
53 
54 #ifdef __cplusplus
55 extern "C" {
56 #endif
57 
58 #ifdef _KERNEL
59 
60 #ifndef _ASM
61 /*
62  * The following enum types determine how interrupts are distributed
63  * on a sun4u system.
64  */
65 enum intr_policies {
66 	/*
67 	 * Target interrupt at the CPU running the add_intrspec
68 	 * thread. Also used to target all interrupts at the panicing
69 	 * CPU.
70 	 */
71 	INTR_CURRENT_CPU = 0,
72 
73 	/*
74 	 * Target all interrupts at the boot cpu
75 	 */
76 	INTR_BOOT_CPU,
77 
78 	/*
79 	 * Flat distribution of all interrupts
80 	 */
81 	INTR_FLAT_DIST,
82 
83 	/*
84 	 * Weighted distribution of all interrupts
85 	 */
86 	INTR_WEIGHTED_DIST
87 };
88 
89 
90 /*
91  * Structure that defines the interrupt distribution list. It contains
92  * enough info about the interrupt so that it can callback the parent
93  * nexus driver and retarget the interrupt to a different CPU.
94  */
95 struct intr_dist {
96 	struct intr_dist *next;	/* link to next in list */
97 	void (*func)(void *);	/* Callback function */
98 	void *arg;		/* Nexus parent callback arg 1 */
99 };
100 
101 /*
102  * Miscellaneous cpu_state changes
103  */
104 extern void power_down(const char *);
105 extern void do_shutdown(void);
106 
107 /*
108  * Number of seconds until power is shut off
109  */
110 extern int thermal_powerdown_delay;
111 
112 
113 /*
114  * prom-related
115  */
116 extern int obpdebug;
117 extern int forthdebug_supported;
118 extern uint_t tba_taken_over;
119 extern void forthdebug_init(void);
120 extern void init_vx_handler(void);
121 extern void kern_preprom(void);
122 extern void kern_postprom(void);
123 
124 /*
125  * externally (debugger or prom) initiated panic
126  */
127 extern struct regs sync_reg_buf;
128 extern uint64_t sync_tt;
129 extern void sync_handler(void);
130 
131 /*
132  * Trap-related
133  */
134 struct regs;
135 extern void trap(struct regs *rp, caddr_t addr, uint32_t type,
136     uint32_t mmu_fsr);
137 extern void *get_tba(void);
138 extern void *set_tba(void *);
139 extern caddr_t set_trap_table(void);
140 extern struct scb trap_table;
141 
142 struct trap_info {
143 	struct regs *trap_regs;
144 	uint_t	trap_type;
145 	caddr_t trap_addr;
146 	uint_t	trap_mmu_fsr;
147 };
148 
149 /*
150  * misc. primitives
151  */
152 extern void debug_flush_windows(void);
153 extern void flush_windows(void);
154 extern int getprocessorid(void);
155 extern void reestablish_curthread(void);
156 
157 extern void stphys(uint64_t physaddr, int value);
158 extern int ldphys(uint64_t physaddr);
159 extern void stdphys(uint64_t physaddr, uint64_t value);
160 extern uint64_t lddphys(uint64_t physaddr);
161 
162 extern void stphysio(u_longlong_t physaddr, uint_t value);
163 extern uint_t ldphysio(u_longlong_t physaddr);
164 extern void sthphysio(u_longlong_t physaddr, ushort_t value);
165 extern ushort_t ldhphysio(u_longlong_t physaddr);
166 extern void stbphysio(u_longlong_t physaddr, uchar_t value);
167 extern uchar_t ldbphysio(u_longlong_t physaddr);
168 extern void stdphysio(u_longlong_t physaddr, u_longlong_t value);
169 extern u_longlong_t lddphysio(u_longlong_t physaddr);
170 
171 extern int pf_is_dmacapable(pfn_t);
172 
173 extern int dip_to_cpu_id(dev_info_t *dip, processorid_t *cpu_id);
174 
175 extern void set_cmp_error_steering(void);
176 
177 /*
178  * SPARCv9 %ver register and field definitions
179  */
180 
181 #define	ULTRA_VER_MANUF(x)	((x) >> 48)
182 #define	ULTRA_VER_IMPL(x)	(((x) >> 32) & 0xFFFF)
183 #define	ULTRA_VER_MASK(x)	(((x) >> 24) & 0xFF)
184 
185 extern uint64_t ultra_getver(void);
186 
187 /*
188  * bootup-time
189  */
190 extern int ncpunode;
191 extern int niobus;
192 
193 extern void segnf_init(void);
194 extern void kern_setup1(void);
195 extern void startup(void);
196 extern void post_startup(void);
197 extern void install_va_to_tte(void);
198 extern void setwstate(uint_t);
199 extern void create_va_to_tte(void);
200 extern int memscrub_init(void);
201 
202 extern void kcpc_hw_init(void);
203 extern void kcpc_hw_startup_cpu(ushort_t);
204 extern int kcpc_hw_load_pcbe(void);
205 
206 /*
207  * Interrupts
208  */
209 struct cpu;
210 extern struct cpu cpu0;
211 extern size_t intr_add_pools;
212 extern struct intr_req *intr_add_head;
213 extern struct intr_req *intr_add_tail;
214 extern struct scb *set_tbr(struct scb *);
215 
216 extern void init_intr_threads(struct cpu *);
217 extern uint_t disable_vec_intr(void);
218 extern void enable_vec_intr(uint_t);
219 extern void setintrenable(int);
220 
221 extern void intr_dist_add(void (*f)(void *), void *);
222 extern void intr_dist_rem(void (*f)(void *), void *);
223 extern void intr_dist_add_weighted(void (*f)(void *, int32_t, int32_t), void *);
224 extern void intr_dist_rem_weighted(void (*f)(void *, int32_t, int32_t), void *);
225 
226 extern uint32_t intr_dist_cpuid(void);
227 
228 void intr_dist_cpuid_add_device_weight(uint32_t cpuid, dev_info_t *dip,
229 		int32_t weight);
230 void intr_dist_cpuid_rem_device_weight(uint32_t cpuid, dev_info_t *dip);
231 
232 extern void intr_redist_all_cpus(void);
233 extern void intr_redist_all_cpus_shutdown(void);
234 
235 extern void send_dirint(int, int);
236 extern void setsoftint(uint_t);
237 extern void setsoftint_tl1(uint64_t, uint64_t);
238 extern void siron(void);
239 extern uint64_t getidsr(void);
240 extern void intr_enqueue_req(uint_t pil, uint32_t inum);
241 extern void intr_dequeue_req(uint_t pil, uint32_t inum);
242 extern void wr_clr_softint(uint_t);
243 
244 /*
245  * Time- and %tick-related
246  */
247 extern hrtime_t rdtick(void);
248 extern void tick_write_delta(uint64_t);
249 extern void tickcmpr_set(uint64_t);
250 extern void tickcmpr_reset(void);
251 extern void tickcmpr_disable(void);
252 extern int tickcmpr_disabled(void);
253 extern uint32_t cbe_level14_inum;
254 
255 /*
256  * Caches
257  */
258 extern int vac;
259 extern int cache;
260 extern int use_mp;
261 extern uint_t vac_mask;
262 extern uint64_t ecache_flushaddr;
263 extern int dcache_size;		/* Maximum dcache size */
264 extern int dcache_linesize;	/* Minimum dcache linesize */
265 extern int icache_size;		/* Maximum icache size */
266 extern int icache_linesize;	/* Minimum icache linesize */
267 extern int ecache_alignsize;	/* Maximum ecache linesize for struct align */
268 extern int ecache_size;		/* Maximum ecache size */
269 extern int ecache_associativity;	/* ecache associativity */
270 extern int ecache_setsize;	/* Maximum ecache setsize possible */
271 extern int cpu_setsize;		/* Maximum ecache setsize of configured cpus */
272 
273 /*
274  * VM
275  */
276 extern int do_pg_coloring;
277 extern int do_virtual_coloring;
278 extern int use_page_coloring;
279 extern int use_virtual_coloring;
280 extern uint_t vac_colors_mask;
281 
282 extern void ndata_alloc_init(struct memlist *, uintptr_t, uintptr_t);
283 extern void *ndata_alloc(struct memlist *, size_t, size_t);
284 extern void *ndata_extra_base(struct memlist *, size_t);
285 extern size_t ndata_maxsize(struct memlist *);
286 extern size_t ndata_spare(struct memlist *, size_t, size_t);
287 extern int ndata_alloc_cpus(struct memlist *);
288 extern int ndata_alloc_page_freelists(struct memlist *, int);
289 extern int ndata_alloc_dmv(struct memlist *);
290 extern int ndata_alloc_tsbs(struct memlist *, pgcnt_t);
291 extern int ndata_alloc_hat(struct memlist *, pgcnt_t, pgcnt_t);
292 extern caddr_t alloc_page_freelists(int, caddr_t, int);
293 extern caddr_t alloc_hme_buckets(caddr_t, int);
294 extern size_t page_ctrs_sz(void);
295 extern caddr_t page_ctrs_alloc(caddr_t);
296 extern void page_freelist_coalesce_all(int);
297 extern void ppmapinit(void);
298 extern void hwblkpagecopy(const void *, void *);
299 extern void hw_pa_bcopy32(uint64_t, uint64_t);
300 
301 extern int pp_slots;
302 extern int pp_consistent_coloring;
303 
304 /*
305  * ppcopy/hwblkpagecopy interaction.  See ppage.c.
306  */
307 #define	PPAGE_STORE_VCOLORING	0x1 /* use vcolors to maintain consistency */
308 #define	PPAGE_LOAD_VCOLORING	0x2 /* use vcolors to maintain consistency */
309 #define	PPAGE_STORES_POLLUTE	0x4 /* stores pollute VAC */
310 #define	PPAGE_LOADS_POLLUTE	0x8 /* loads pollute VAC */
311 
312 /*
313  * VIS-accelerated copy/zero
314  */
315 extern int use_hw_bcopy;
316 extern uint_t hw_copy_limit_1;
317 extern uint_t hw_copy_limit_2;
318 extern uint_t hw_copy_limit_4;
319 extern uint_t hw_copy_limit_8;
320 extern int use_hw_bzero;
321 
322 #ifdef CHEETAH
323 #define	VIS_COPY_THRESHOLD 256
324 #else
325 #define	VIS_COPY_THRESHOLD 900
326 #endif
327 
328 /*
329  * MP
330  */
331 extern void idle_other_cpus(void);
332 extern void resume_other_cpus(void);
333 extern void stop_other_cpus(void);
334 extern void idle_stop_xcall(void);
335 extern void set_idle_cpu(int);
336 extern void unset_idle_cpu(int);
337 extern void mp_cpu_quiesce(struct cpu *);
338 
339 /*
340  * Error handling
341  */
342 extern void set_error_enable(uint64_t neer);
343 extern void set_error_enable_tl1(uint64_t neer, uint64_t action);
344 extern uint64_t get_error_enable(void);
345 extern void get_asyncflt(uint64_t *afsr);
346 extern void set_asyncflt(uint64_t afsr);
347 extern void get_asyncaddr(uint64_t *afar);
348 extern void scrubphys(uint64_t paddr, int ecache_size);
349 extern void clearphys(uint64_t paddr, int ecache_size, int ecache_linesize);
350 extern void flushecacheline(uint64_t paddr, int ecache_size);
351 extern int ce_scrub_xdiag_recirc(struct async_flt *, errorq_t *,
352     errorq_elem_t *, size_t);
353 extern char *flt_to_error_type(struct async_flt *);
354 
355 /*
356  * Panic at TL > 0
357  */
358 extern uint64_t cpu_pa[];
359 extern void ptl1_init_cpu(struct cpu *);
360 
361 /*
362  * Defines for DR interfaces
363  */
364 #define	DEVI_BRANCH_CHILD	0x01	/* Walk immediate children of root  */
365 #define	DEVI_BRANCH_CONFIGURE	0x02	/* Configure branch after create    */
366 #define	DEVI_BRANCH_DESTROY	0x04	/* Destroy branch after unconfigure */
367 #define	DEVI_BRANCH_EVENT	0x08	/* Post NDI event		    */
368 #define	DEVI_BRANCH_PROM	0x10	/* Branches derived from PROM nodes */
369 #define	DEVI_BRANCH_SID		0x20	/* SID node branches		    */
370 #define	DEVI_BRANCH_ROOT	0x40	/* Node is the root of a branch	    */
371 
372 typedef struct devi_branch {
373 	void		*arg;
374 	void		(*devi_branch_callback)(dev_info_t *, void *, uint_t);
375 	int		type;
376 	union {
377 		int	(*prom_branch_select)(pnode_t, void *, uint_t);
378 		int	(*sid_branch_create)(dev_info_t *, void *, uint_t);
379 	} create;
380 } devi_branch_t;
381 
382 
383 /*
384  * Prototypes which really belongs to sunddi.c, and should be moved to
385  * sunddi.c if there is another platform using these calls.
386  */
387 extern int e_ddi_branch_create(dev_info_t *pdip, devi_branch_t *bp,
388     dev_info_t **dipp, uint_t flags);
389 extern int e_ddi_branch_configure(dev_info_t *rdip, dev_info_t **dipp,
390     uint_t flags);
391 extern int e_ddi_branch_unconfigure(dev_info_t *rdip, dev_info_t **dipp,
392     uint_t flags);
393 extern int e_ddi_branch_destroy(dev_info_t *rdip, dev_info_t **dipp,
394     uint_t flags);
395 extern void e_ddi_branch_hold(dev_info_t *rdip);
396 extern void e_ddi_branch_rele(dev_info_t *rdip);
397 extern int e_ddi_branch_held(dev_info_t *rdip);
398 extern int e_ddi_branch_referenced(dev_info_t *rdip,
399     int (*cb)(dev_info_t *dip, void *, uint_t), void *arg);
400 
401 /*
402  * Constants which define the "hole" in the 64-bit sfmmu address space.
403  * These are set to specific values by the CPU module code.
404  */
405 extern caddr_t	hole_start, hole_end;
406 
407 /* kpm mapping window */
408 extern size_t	kpm_size;
409 extern uchar_t	kpm_size_shift;
410 extern caddr_t	kpm_vbase;
411 
412 #define	INVALID_VADDR(a)	(((a) >= hole_start && (a) < hole_end))
413 
414 extern void adjust_hw_copy_limits(int);
415 
416 #endif /* _ASM */
417 
418 /*
419  * Actions for set_error_enable_tl1
420  */
421 #define	EER_SET_ABSOLUTE	0x0
422 #define	EER_SET_SETBITS		0x1
423 #define	EER_SET_CLRBITS		0x2
424 
425 #endif /* _KERNEL */
426 
427 #ifdef __cplusplus
428 }
429 #endif
430 
431 #endif	/* _SYS_MACHSYSTM_H */
432