xref: /titanic_41/usr/src/uts/sun4v/sys/machsystm.h (revision 7d1e83948cb684521e72cab96020be241508f449)
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 (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 /*
22  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 #ifndef _SYS_MACHSYSTM_H
27 #define	_SYS_MACHSYSTM_H
28 
29 /*
30  * Numerous platform-dependent interfaces that don't seem to belong
31  * in any other header file.
32  *
33  * This file should not be included by code that purports to be
34  * platform-independent.
35  */
36 
37 #ifndef _ASM
38 #include <sys/types.h>
39 #include <sys/scb.h>
40 #include <sys/varargs.h>
41 #include <sys/machparam.h>
42 #include <sys/thread.h>
43 #include <vm/seg_enum.h>
44 #include <sys/processor.h>
45 #include <sys/sunddi.h>
46 #include <sys/memlist.h>
47 #endif /* _ASM */
48 
49 #ifdef __cplusplus
50 extern "C" {
51 #endif
52 
53 #ifdef _KERNEL
54 
55 #ifndef _ASM
56 /*
57  * The following enum types determine how interrupts are distributed
58  * on a sun4u system.
59  */
60 enum intr_policies {
61 	/*
62 	 * Target interrupt at the CPU running the add_intrspec
63 	 * thread. Also used to target all interrupts at the panicing
64 	 * CPU.
65 	 */
66 	INTR_CURRENT_CPU = 0,
67 
68 	/*
69 	 * Target all interrupts at the boot cpu
70 	 */
71 	INTR_BOOT_CPU,
72 
73 	/*
74 	 * Flat distribution of all interrupts
75 	 */
76 	INTR_FLAT_DIST,
77 
78 	/*
79 	 * Weighted distribution of all interrupts
80 	 */
81 	INTR_WEIGHTED_DIST
82 };
83 
84 
85 /*
86  * Structure that defines the interrupt distribution list. It contains
87  * enough info about the interrupt so that it can callback the parent
88  * nexus driver and retarget the interrupt to a different CPU.
89  */
90 struct intr_dist {
91 	struct intr_dist *next;	/* link to next in list */
92 	void (*func)(void *);	/* Callback function */
93 	void *arg;		/* Nexus parent callback arg 1 */
94 };
95 
96 /*
97  * Miscellaneous cpu_state changes
98  */
99 extern void power_down(const char *);
100 extern void do_shutdown(void);
101 
102 /*
103  * Number of seconds until power is shut off
104  */
105 extern int thermal_powerdown_delay;
106 
107 
108 /*
109  * prom-related
110  */
111 extern int obpdebug;
112 extern int forthdebug_supported;
113 extern uint_t tba_taken_over;
114 extern void forthdebug_init(void);
115 extern void init_vx_handler(void);
116 extern void kern_preprom(void);
117 extern void kern_postprom(void);
118 
119 /*
120  * externally (debugger or prom) initiated panic
121  */
122 extern struct regs sync_reg_buf;
123 extern uint64_t sync_tt;
124 extern void sync_handler(void);
125 
126 /*
127  * Trap-related
128  */
129 struct regs;
130 extern void trap(struct regs *rp, caddr_t addr, uint32_t type,
131     uint32_t mmu_fsr);
132 extern void *get_tba(void);
133 extern void *set_tba(void *);
134 extern caddr_t set_trap_table(void);
135 extern struct scb trap_table;
136 
137 struct panic_trap_info {
138 	struct regs *trap_regs;
139 	uint_t	trap_type;
140 	caddr_t trap_addr;
141 	uint_t	trap_mmu_fsr;
142 };
143 
144 /*
145  * misc. primitives
146  */
147 #define	PROM_CFGHDL_TO_CPUID(x)	 (x  & ~(0xful << 28))
148 
149 extern void debug_flush_windows(void);
150 extern void flush_windows(void);
151 extern int getprocessorid(void);
152 extern void reestablish_curthread(void);
153 
154 extern void stphys(uint64_t physaddr, int value);
155 extern int ldphys(uint64_t physaddr);
156 extern void stdphys(uint64_t physaddr, uint64_t value);
157 extern uint64_t lddphys(uint64_t physaddr);
158 
159 extern void stphysio(u_longlong_t physaddr, uint_t value);
160 extern uint_t ldphysio(u_longlong_t physaddr);
161 extern void sthphysio(u_longlong_t physaddr, ushort_t value);
162 extern ushort_t ldhphysio(u_longlong_t physaddr);
163 extern void stbphysio(u_longlong_t physaddr, uchar_t value);
164 extern uchar_t ldbphysio(u_longlong_t physaddr);
165 extern void stdphysio(u_longlong_t physaddr, u_longlong_t value);
166 extern u_longlong_t lddphysio(u_longlong_t physaddr);
167 
168 extern int pf_is_dmacapable(pfn_t);
169 
170 extern int dip_to_cpu_id(dev_info_t *dip, processorid_t *cpu_id);
171 
172 extern void set_cmp_error_steering(void);
173 
174 /*
175  * SPARCv9 %ver register and field definitions
176  */
177 
178 #define	ULTRA_VER_MANUF(x)	((x) >> 48)
179 #define	ULTRA_VER_IMPL(x)	(((x) >> 32) & 0xFFFF)
180 #define	ULTRA_VER_MASK(x)	(((x) >> 24) & 0xFF)
181 
182 extern uint64_t ultra_getver(void);
183 
184 /*
185  * bootup-time
186  */
187 extern void segnf_init(void);
188 extern void kern_setup1(void);
189 extern void startup(void);
190 extern void post_startup(void);
191 extern void install_va_to_tte(void);
192 extern void setwstate(uint_t);
193 extern void create_va_to_tte(void);
194 extern int memscrub_init(void);
195 
196 extern void kcpc_hw_init(void);
197 extern void kcpc_hw_startup_cpu(ushort_t);
198 extern int kcpc_hw_load_pcbe(void);
199 
200 /*
201  * Interrupts
202  */
203 struct cpu;
204 extern struct cpu cpu0;
205 extern struct scb *set_tbr(struct scb *);
206 
207 extern uint_t disable_vec_intr(void);
208 extern void enable_vec_intr(uint_t);
209 extern void setintrenable(int);
210 
211 extern void intr_dist_add(void (*f)(void *), void *);
212 extern void intr_dist_rem(void (*f)(void *), void *);
213 extern void intr_dist_add_weighted(void (*f)(void *, int32_t, int32_t), void *);
214 extern void intr_dist_rem_weighted(void (*f)(void *, int32_t, int32_t), void *);
215 
216 extern uint32_t intr_dist_cpuid(void);
217 extern uint32_t intr_dist_mycpuid(void);
218 
219 void intr_dist_cpuid_add_device_weight(uint32_t cpuid, dev_info_t *dip,
220 		int32_t weight);
221 void intr_dist_cpuid_rem_device_weight(uint32_t cpuid, dev_info_t *dip);
222 
223 extern void intr_redist_all_cpus(void);
224 extern void intr_redist_all_cpus_shutdown(void);
225 
226 extern void send_dirint(int, int);
227 extern void setsoftint(uint64_t);
228 extern void setsoftint_tl1(uint64_t, uint64_t);
229 extern void siron(void);
230 extern void sir_on(int);
231 extern void intr_enqueue_req(uint_t pil, uint64_t inum);
232 extern void intr_dequeue_req(uint_t pil, uint64_t inum);
233 extern void wr_clr_softint(uint_t);
234 
235 /*
236  * Time- and %tick-related
237  */
238 extern hrtime_t rdtick(void);
239 extern void tick_write_delta(uint64_t);
240 extern void tickcmpr_set(uint64_t);
241 extern void tickcmpr_reset(void);
242 extern void tickcmpr_disable(void);
243 extern int tickcmpr_disabled(void);
244 extern uint64_t cbe_level14_inum;
245 
246 /*
247  * contiguous memory
248  */
249 extern void *contig_mem_alloc(size_t);
250 extern void *contig_mem_alloc_align(size_t, size_t);
251 extern void contig_mem_free(void *, size_t);
252 extern void *contig_mem_alloc_align_sleep(size_t, size_t);
253 
254 /*
255  * Caches
256  */
257 extern int vac;
258 extern int cache;
259 extern int use_mp;
260 extern uint_t vac_mask;
261 extern uint64_t ecache_flushaddr;
262 extern int ecache_alignsize;	/* Maximum ecache linesize for struct align */
263 extern int ecache_setsize;	/* Maximum ecache setsize possible */
264 extern int cpu_setsize;		/* Maximum ecache setsize of configured cpus */
265 
266 /*
267  * VM
268  */
269 extern int do_pg_coloring;
270 extern int use_page_coloring;
271 extern uint_t vac_colors_mask;
272 
273 extern caddr_t get_mmfsa_scratchpad(void);
274 extern void set_mmfsa_scratchpad(caddr_t);
275 extern int ndata_alloc_mmfsa(struct memlist *);
276 extern int ndata_alloc_page_freelists(struct memlist *, int);
277 extern int ndata_alloc_dmv(struct memlist *);
278 extern int ndata_alloc_tsbs(struct memlist *, pgcnt_t);
279 extern int ndata_alloc_hat(struct memlist *, pgcnt_t);
280 extern int ndata_alloc_kpm(struct memlist *, pgcnt_t);
281 extern int ndata_alloc_page_mutexs(struct memlist *ndata);
282 
283 extern size_t calc_pp_sz(pgcnt_t);
284 extern size_t calc_kpmpp_sz(pgcnt_t);
285 extern size_t calc_hmehash_sz(pgcnt_t);
286 extern size_t calc_pagehash_sz(pgcnt_t);
287 extern size_t calc_free_pagelist_sz(void);
288 
289 extern caddr_t alloc_hmehash(caddr_t);
290 extern caddr_t alloc_page_freelists(caddr_t);
291 
292 extern size_t page_ctrs_sz(void);
293 extern caddr_t page_ctrs_alloc(caddr_t);
294 extern void page_freelist_coalesce_all(int);
295 extern void ppmapinit(void);
296 extern void hwblkpagecopy(const void *, void *);
297 extern void hw_pa_bcopy32(uint64_t, uint64_t);
298 
299 extern int pp_slots;
300 extern int pp_consistent_coloring;
301 
302 /*
303  * ppcopy/hwblkpagecopy interaction.  See ppage.c.
304  */
305 #define	PPAGE_STORE_VCOLORING	0x1 /* use vcolors to maintain consistency */
306 #define	PPAGE_LOAD_VCOLORING	0x2 /* use vcolors to maintain consistency */
307 #define	PPAGE_STORES_POLLUTE	0x4 /* stores pollute VAC */
308 #define	PPAGE_LOADS_POLLUTE	0x8 /* loads pollute VAC */
309 
310 /*
311  * VIS-accelerated copy/zero
312  */
313 extern int use_hw_bcopy;
314 extern uint_t hw_copy_limit_1;
315 extern uint_t hw_copy_limit_2;
316 extern uint_t hw_copy_limit_4;
317 extern uint_t hw_copy_limit_8;
318 extern int use_hw_bzero;
319 
320 #ifdef CHEETAH
321 #define	VIS_COPY_THRESHOLD 256
322 #else
323 #define	VIS_COPY_THRESHOLD 900
324 #endif
325 
326 /*
327  * MP
328  */
329 extern void idle_other_cpus(void);
330 extern void resume_other_cpus(void);
331 extern void stop_other_cpus(void);
332 extern void idle_stop_xcall(void);
333 extern void set_idle_cpu(int);
334 extern void unset_idle_cpu(int);
335 extern void mp_cpu_quiesce(struct cpu *);
336 extern int stopcpu_bycpuid(int);
337 
338 /*
339  * Panic at TL > 0
340  */
341 extern uint64_t cpu_pa[];
342 extern void ptl1_init_cpu(struct cpu *);
343 
344 /*
345  * Defines for DR interfaces
346  */
347 #define	DEVI_BRANCH_CHILD	0x01	/* Walk immediate children of root  */
348 #define	DEVI_BRANCH_CONFIGURE	0x02	/* Configure branch after create    */
349 #define	DEVI_BRANCH_DESTROY	0x04	/* Destroy branch after unconfigure */
350 #define	DEVI_BRANCH_EVENT	0x08	/* Post NDI event		    */
351 #define	DEVI_BRANCH_PROM	0x10	/* Branches derived from PROM nodes */
352 #define	DEVI_BRANCH_SID		0x20	/* SID node branches		    */
353 #define	DEVI_BRANCH_ROOT	0x40	/* Node is the root of a branch	    */
354 
355 typedef struct devi_branch {
356 	void		*arg;
357 	void		(*devi_branch_callback)(dev_info_t *, void *, uint_t);
358 	int		type;
359 	union {
360 		int	(*prom_branch_select)(pnode_t, void *, uint_t);
361 		int	(*sid_branch_create)(dev_info_t *, void *, uint_t);
362 	} create;
363 } devi_branch_t;
364 
365 
366 /*
367  * Prototypes which really belongs to sunddi.c, and should be moved to
368  * sunddi.c if there is another platform using these calls.
369  */
370 extern int e_ddi_branch_create(dev_info_t *pdip, devi_branch_t *bp,
371     dev_info_t **dipp, uint_t flags);
372 extern int e_ddi_branch_configure(dev_info_t *rdip, dev_info_t **dipp,
373     uint_t flags);
374 extern int e_ddi_branch_unconfigure(dev_info_t *rdip, dev_info_t **dipp,
375     uint_t flags);
376 extern int e_ddi_branch_destroy(dev_info_t *rdip, dev_info_t **dipp,
377     uint_t flags);
378 extern void e_ddi_branch_hold(dev_info_t *rdip);
379 extern void e_ddi_branch_rele(dev_info_t *rdip);
380 extern int e_ddi_branch_held(dev_info_t *rdip);
381 extern int e_ddi_branch_referenced(dev_info_t *rdip,
382     int (*cb)(dev_info_t *dip, void *, uint_t), void *arg);
383 
384 /*
385  * Constants which define the "hole" in the 64-bit sfmmu address space.
386  * These are set to specific values by the CPU module code.
387  */
388 extern caddr_t	hole_start, hole_end;
389 
390 /* kpm mapping window */
391 extern size_t	kpm_size;
392 extern uchar_t	kpm_size_shift;
393 extern caddr_t	kpm_vbase;
394 
395 #define	INVALID_VADDR(a)	(((a) >= hole_start && (a) < hole_end))
396 #define	VA_ADDRESS_SPACE_BITS		64
397 #define	RA_ADDRESS_SPACE_BITS		56
398 #define	MAX_REAL_ADDRESS		(1ull << RA_ADDRESS_SPACE_BITS)
399 #define	DEFAULT_VA_ADDRESS_SPACE_BITS	48	/* def. Niagara (broken MD) */
400 #define	PAGESIZE_MASK_BITS		16
401 #define	MAX_PAGESIZE_MASK		((1<<PAGESIZE_MASK_BITS) - 1)
402 
403 extern void adjust_hw_copy_limits(int);
404 
405 struct kdi;
406 
407 void	cpu_kdi_init(struct kdi *);
408 
409 /*
410  * flush instruction and data caches
411  */
412 void	kdi_flush_caches(void);
413 
414 struct async_flt;
415 
416 /*
417  * take pending fp traps if fpq present
418  * this function is also defined in fpusystm.h
419  */
420 void	syncfpu(void);
421 
422 void	cpu_faulted_enter(struct cpu *);
423 void	cpu_faulted_exit(struct cpu *);
424 
425 int	cpu_get_mem_name(uint64_t synd, uint64_t *afsr, uint64_t afar,
426 	    char *buf, int buflen, int *lenp);
427 int	cpu_get_mem_info(uint64_t synd, uint64_t afar,
428 	    uint64_t *mem_sizep, uint64_t *seg_sizep, uint64_t *bank_sizep,
429 	    int *segsp, int *banksp, int *mcidp);
430 size_t	cpu_get_name_bufsize();
431 
432 /*
433  * ecache scrub operations
434  */
435 void cpu_init_cache_scrub(void);
436 
437 /*
438  * clock/tick register operations
439  */
440 void	cpu_init_tick_freq(void);
441 
442 /*
443  * stick synchronization
444  */
445 void	sticksync_slave(void);
446 void	sticksync_master(void);
447 
448 #endif /* _ASM */
449 
450 /*
451  * Actions for set_error_enable_tl1
452  */
453 #define	EER_SET_ABSOLUTE	0x0
454 #define	EER_SET_SETBITS		0x1
455 #define	EER_SET_CLRBITS		0x2
456 
457 /*
458  * HVDUMP_SIZE_MAX set as 64k due to limitiation by intrq_alloc()
459  */
460 
461 #define	HVDUMP_SIZE_MAX		0x10000
462 #define	HVDUMP_SIZE_DEFAULT	0x8000
463 
464 /*
465  * HV TOD service retry in usecs
466  */
467 
468 #define	HV_TOD_RETRY_THRESH	100
469 #define	HV_TOD_WAIT_USEC	5
470 
471 /*
472  * Interrupt Queues and Error Queues
473  */
474 
475 #define	INTR_CPU_Q	0x3c
476 #define	INTR_DEV_Q	0x3d
477 #define	CPU_RQ		0x3e
478 #define	CPU_NRQ		0x3f
479 #define	DEFAULT_CPU_Q_ENTRIES	0x100
480 #define	DEFAULT_DEV_Q_ENTRIES	0x100
481 #define	INTR_REPORT_SIZE	64
482 
483 #ifndef	_ASM
484 extern uint64_t cpu_q_entries;
485 extern uint64_t dev_q_entries;
486 extern uint64_t cpu_rq_entries;
487 extern uint64_t cpu_nrq_entries;
488 extern uint64_t ncpu_guest_max;
489 #endif /* _ASM */
490 
491 #endif /* _KERNEL */
492 
493 #ifdef __cplusplus
494 }
495 #endif
496 
497 #endif	/* _SYS_MACHSYSTM_H */
498