xref: /titanic_51/usr/src/uts/sun4v/sys/machsystm.h (revision 858a4b9997a29c40b725e606eb9bc3ac0a8c765b)
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 2007 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 #pragma ident	"%Z%%M%	%I%	%E% SMI"
30 
31 /*
32  * Numerous platform-dependent interfaces that don't seem to belong
33  * in any other header file.
34  *
35  * This file should not be included by code that purports to be
36  * platform-independent.
37  */
38 
39 #ifndef _ASM
40 #include <sys/types.h>
41 #include <sys/scb.h>
42 #include <sys/varargs.h>
43 #include <sys/machparam.h>
44 #include <sys/thread.h>
45 #include <vm/seg_enum.h>
46 #include <sys/processor.h>
47 #include <sys/sunddi.h>
48 #include <sys/memlist.h>
49 #endif /* _ASM */
50 
51 #ifdef __cplusplus
52 extern "C" {
53 #endif
54 
55 #ifdef _KERNEL
56 
57 #ifndef _ASM
58 /*
59  * The following enum types determine how interrupts are distributed
60  * on a sun4u system.
61  */
62 enum intr_policies {
63 	/*
64 	 * Target interrupt at the CPU running the add_intrspec
65 	 * thread. Also used to target all interrupts at the panicing
66 	 * CPU.
67 	 */
68 	INTR_CURRENT_CPU = 0,
69 
70 	/*
71 	 * Target all interrupts at the boot cpu
72 	 */
73 	INTR_BOOT_CPU,
74 
75 	/*
76 	 * Flat distribution of all interrupts
77 	 */
78 	INTR_FLAT_DIST,
79 
80 	/*
81 	 * Weighted distribution of all interrupts
82 	 */
83 	INTR_WEIGHTED_DIST
84 };
85 
86 
87 /*
88  * Structure that defines the interrupt distribution list. It contains
89  * enough info about the interrupt so that it can callback the parent
90  * nexus driver and retarget the interrupt to a different CPU.
91  */
92 struct intr_dist {
93 	struct intr_dist *next;	/* link to next in list */
94 	void (*func)(void *);	/* Callback function */
95 	void *arg;		/* Nexus parent callback arg 1 */
96 };
97 
98 /*
99  * Miscellaneous cpu_state changes
100  */
101 extern void power_down(const char *);
102 extern void do_shutdown(void);
103 
104 /*
105  * Number of seconds until power is shut off
106  */
107 extern int thermal_powerdown_delay;
108 
109 
110 /*
111  * prom-related
112  */
113 extern int obpdebug;
114 extern int forthdebug_supported;
115 extern uint_t tba_taken_over;
116 extern void forthdebug_init(void);
117 extern void init_vx_handler(void);
118 extern void kern_preprom(void);
119 extern void kern_postprom(void);
120 
121 /*
122  * externally (debugger or prom) initiated panic
123  */
124 extern struct regs sync_reg_buf;
125 extern uint64_t sync_tt;
126 extern void sync_handler(void);
127 
128 /*
129  * Trap-related
130  */
131 struct regs;
132 extern void trap(struct regs *rp, caddr_t addr, uint32_t type,
133     uint32_t mmu_fsr);
134 extern void *get_tba(void);
135 extern void *set_tba(void *);
136 extern caddr_t set_trap_table(void);
137 extern struct scb trap_table;
138 
139 struct trap_info {
140 	struct regs *trap_regs;
141 	uint_t	trap_type;
142 	caddr_t trap_addr;
143 	uint_t	trap_mmu_fsr;
144 };
145 
146 /*
147  * misc. primitives
148  */
149 #define	PROM_CFGHDL_TO_CPUID(x)	 (x  & ~(0xful << 28))
150 
151 extern void debug_flush_windows(void);
152 extern void flush_windows(void);
153 extern int getprocessorid(void);
154 extern void reestablish_curthread(void);
155 
156 extern void stphys(uint64_t physaddr, int value);
157 extern int ldphys(uint64_t physaddr);
158 extern void stdphys(uint64_t physaddr, uint64_t value);
159 extern uint64_t lddphys(uint64_t physaddr);
160 
161 extern void stphysio(u_longlong_t physaddr, uint_t value);
162 extern uint_t ldphysio(u_longlong_t physaddr);
163 extern void sthphysio(u_longlong_t physaddr, ushort_t value);
164 extern ushort_t ldhphysio(u_longlong_t physaddr);
165 extern void stbphysio(u_longlong_t physaddr, uchar_t value);
166 extern uchar_t ldbphysio(u_longlong_t physaddr);
167 extern void stdphysio(u_longlong_t physaddr, u_longlong_t value);
168 extern u_longlong_t lddphysio(u_longlong_t physaddr);
169 
170 extern int pf_is_dmacapable(pfn_t);
171 
172 extern int dip_to_cpu_id(dev_info_t *dip, processorid_t *cpu_id);
173 
174 extern void set_cmp_error_steering(void);
175 
176 /*
177  * SPARCv9 %ver register and field definitions
178  */
179 
180 #define	ULTRA_VER_MANUF(x)	((x) >> 48)
181 #define	ULTRA_VER_IMPL(x)	(((x) >> 32) & 0xFFFF)
182 #define	ULTRA_VER_MASK(x)	(((x) >> 24) & 0xFF)
183 
184 extern uint64_t ultra_getver(void);
185 
186 /*
187  * bootup-time
188  */
189 extern int ncpunode;
190 extern int niobus;
191 
192 extern void segnf_init(void);
193 extern void kern_setup1(void);
194 extern void startup(void);
195 extern void post_startup(void);
196 extern void install_va_to_tte(void);
197 extern void setwstate(uint_t);
198 extern void create_va_to_tte(void);
199 extern int memscrub_init(void);
200 
201 extern void kcpc_hw_init(void);
202 extern void kcpc_hw_startup_cpu(ushort_t);
203 extern int kcpc_hw_load_pcbe(void);
204 
205 /*
206  * Interrupts
207  */
208 struct cpu;
209 extern struct cpu cpu0;
210 extern struct scb *set_tbr(struct scb *);
211 
212 extern uint_t disable_vec_intr(void);
213 extern void enable_vec_intr(uint_t);
214 extern void setintrenable(int);
215 
216 extern void intr_dist_add(void (*f)(void *), void *);
217 extern void intr_dist_rem(void (*f)(void *), void *);
218 extern void intr_dist_add_weighted(void (*f)(void *, int32_t, int32_t), void *);
219 extern void intr_dist_rem_weighted(void (*f)(void *, int32_t, int32_t), void *);
220 
221 extern uint32_t intr_dist_cpuid(void);
222 extern uint32_t intr_dist_mycpuid(void);
223 
224 void intr_dist_cpuid_add_device_weight(uint32_t cpuid, dev_info_t *dip,
225 		int32_t weight);
226 void intr_dist_cpuid_rem_device_weight(uint32_t cpuid, dev_info_t *dip);
227 
228 extern void intr_redist_all_cpus(void);
229 extern void intr_redist_all_cpus_shutdown(void);
230 
231 extern void send_dirint(int, int);
232 extern void setsoftint(uint64_t);
233 extern void setsoftint_tl1(uint64_t, uint64_t);
234 extern void siron(void);
235 extern void intr_enqueue_req(uint_t pil, uint64_t inum);
236 extern void intr_dequeue_req(uint_t pil, uint64_t inum);
237 extern void wr_clr_softint(uint_t);
238 
239 /*
240  * Time- and %tick-related
241  */
242 extern hrtime_t rdtick(void);
243 extern void tick_write_delta(uint64_t);
244 extern void tickcmpr_set(uint64_t);
245 extern void tickcmpr_reset(void);
246 extern void tickcmpr_disable(void);
247 extern int tickcmpr_disabled(void);
248 extern uint64_t cbe_level14_inum;
249 
250 /*
251  * contiguous memory
252  */
253 extern void *contig_mem_alloc(size_t);
254 extern void *contig_mem_alloc_align(size_t, size_t);
255 extern void contig_mem_free(void *, size_t);
256 
257 /*
258  * Caches
259  */
260 extern int vac;
261 extern int cache;
262 extern int use_mp;
263 extern uint_t vac_mask;
264 extern uint64_t ecache_flushaddr;
265 extern int ecache_alignsize;	/* Maximum ecache linesize for struct align */
266 extern int ecache_setsize;	/* Maximum ecache setsize possible */
267 extern int cpu_setsize;		/* Maximum ecache setsize of configured cpus */
268 
269 /*
270  * VM
271  */
272 extern int do_pg_coloring;
273 extern int do_virtual_coloring;
274 extern int use_page_coloring;
275 extern int use_virtual_coloring;
276 extern uint_t vac_colors_mask;
277 
278 extern caddr_t get_mmfsa_scratchpad(void);
279 extern void set_mmfsa_scratchpad(caddr_t);
280 extern int ndata_alloc_mmfsa(struct memlist *);
281 extern int ndata_alloc_page_freelists(struct memlist *, int);
282 extern int ndata_alloc_dmv(struct memlist *);
283 extern int ndata_alloc_tsbs(struct memlist *, pgcnt_t);
284 extern int ndata_alloc_hat(struct memlist *, pgcnt_t, pgcnt_t);
285 extern caddr_t alloc_page_freelists(int, caddr_t, int);
286 extern caddr_t alloc_hme_buckets(caddr_t, int);
287 extern size_t page_ctrs_sz(void);
288 extern caddr_t page_ctrs_alloc(caddr_t);
289 extern void page_freelist_coalesce_all(int);
290 extern void ppmapinit(void);
291 extern void hwblkpagecopy(const void *, void *);
292 extern void hw_pa_bcopy32(uint64_t, uint64_t);
293 
294 extern int pp_slots;
295 extern int pp_consistent_coloring;
296 
297 /*
298  * ppcopy/hwblkpagecopy interaction.  See ppage.c.
299  */
300 #define	PPAGE_STORE_VCOLORING	0x1 /* use vcolors to maintain consistency */
301 #define	PPAGE_LOAD_VCOLORING	0x2 /* use vcolors to maintain consistency */
302 #define	PPAGE_STORES_POLLUTE	0x4 /* stores pollute VAC */
303 #define	PPAGE_LOADS_POLLUTE	0x8 /* loads pollute VAC */
304 
305 /*
306  * VIS-accelerated copy/zero
307  */
308 extern int use_hw_bcopy;
309 extern uint_t hw_copy_limit_1;
310 extern uint_t hw_copy_limit_2;
311 extern uint_t hw_copy_limit_4;
312 extern uint_t hw_copy_limit_8;
313 extern int use_hw_bzero;
314 
315 #ifdef CHEETAH
316 #define	VIS_COPY_THRESHOLD 256
317 #else
318 #define	VIS_COPY_THRESHOLD 900
319 #endif
320 
321 /*
322  * MP
323  */
324 extern void idle_other_cpus(void);
325 extern void resume_other_cpus(void);
326 extern void stop_other_cpus(void);
327 extern void idle_stop_xcall(void);
328 extern void set_idle_cpu(int);
329 extern void unset_idle_cpu(int);
330 extern void mp_cpu_quiesce(struct cpu *);
331 extern int stopcpu_bycpuid(int);
332 
333 /*
334  * Panic at TL > 0
335  */
336 extern uint64_t cpu_pa[];
337 extern void ptl1_init_cpu(struct cpu *);
338 
339 /*
340  * Defines for DR interfaces
341  */
342 #define	DEVI_BRANCH_CHILD	0x01	/* Walk immediate children of root  */
343 #define	DEVI_BRANCH_CONFIGURE	0x02	/* Configure branch after create    */
344 #define	DEVI_BRANCH_DESTROY	0x04	/* Destroy branch after unconfigure */
345 #define	DEVI_BRANCH_EVENT	0x08	/* Post NDI event		    */
346 #define	DEVI_BRANCH_PROM	0x10	/* Branches derived from PROM nodes */
347 #define	DEVI_BRANCH_SID		0x20	/* SID node branches		    */
348 #define	DEVI_BRANCH_ROOT	0x40	/* Node is the root of a branch	    */
349 
350 typedef struct devi_branch {
351 	void		*arg;
352 	void		(*devi_branch_callback)(dev_info_t *, void *, uint_t);
353 	int		type;
354 	union {
355 		int	(*prom_branch_select)(pnode_t, void *, uint_t);
356 		int	(*sid_branch_create)(dev_info_t *, void *, uint_t);
357 	} create;
358 } devi_branch_t;
359 
360 
361 /*
362  * Prototypes which really belongs to sunddi.c, and should be moved to
363  * sunddi.c if there is another platform using these calls.
364  */
365 extern int e_ddi_branch_create(dev_info_t *pdip, devi_branch_t *bp,
366     dev_info_t **dipp, uint_t flags);
367 extern int e_ddi_branch_configure(dev_info_t *rdip, dev_info_t **dipp,
368     uint_t flags);
369 extern int e_ddi_branch_unconfigure(dev_info_t *rdip, dev_info_t **dipp,
370     uint_t flags);
371 extern int e_ddi_branch_destroy(dev_info_t *rdip, dev_info_t **dipp,
372     uint_t flags);
373 extern void e_ddi_branch_hold(dev_info_t *rdip);
374 extern void e_ddi_branch_rele(dev_info_t *rdip);
375 extern int e_ddi_branch_held(dev_info_t *rdip);
376 extern int e_ddi_branch_referenced(dev_info_t *rdip,
377     int (*cb)(dev_info_t *dip, void *, uint_t), void *arg);
378 
379 /*
380  * Constants which define the "hole" in the 64-bit sfmmu address space.
381  * These are set to specific values by the CPU module code.
382  */
383 extern caddr_t	hole_start, hole_end;
384 
385 /* kpm mapping window */
386 extern size_t	kpm_size;
387 extern uchar_t	kpm_size_shift;
388 extern caddr_t	kpm_vbase;
389 
390 #define	INVALID_VADDR(a)	(((a) >= hole_start && (a) < hole_end))
391 #define	VA_ADDRESS_SPACE_BITS		64
392 #define	RA_ADDRESS_SPACE_BITS		56
393 #define	MAX_REAL_ADDRESS		(1ull << RA_ADDRESS_SPACE_BITS)
394 #define	DEFAULT_VA_ADDRESS_SPACE_BITS	48	/* def. Niagara (broken MD) */
395 #define	PAGESIZE_MASK_BITS		16
396 #define	MAX_PAGESIZE_MASK		((1<<PAGESIZE_MASK_BITS) - 1)
397 
398 extern void adjust_hw_copy_limits(int);
399 
400 struct kdi;
401 
402 void	cpu_kdi_init(struct kdi *);
403 
404 /*
405  * flush instruction and data caches
406  */
407 void	kdi_flush_caches(void);
408 
409 struct async_flt;
410 
411 /*
412  * take pending fp traps if fpq present
413  * this function is also defined in fpusystm.h
414  */
415 void	syncfpu(void);
416 
417 void	cpu_faulted_enter(struct cpu *);
418 void	cpu_faulted_exit(struct cpu *);
419 
420 int	cpu_get_mem_name(uint64_t synd, uint64_t *afsr, uint64_t afar,
421 	    char *buf, int buflen, int *lenp);
422 int	cpu_get_mem_info(uint64_t synd, uint64_t afar,
423 	    uint64_t *mem_sizep, uint64_t *seg_sizep, uint64_t *bank_sizep,
424 	    int *segsp, int *banksp, int *mcidp);
425 size_t	cpu_get_name_bufsize();
426 
427 /*
428  * ecache scrub operations
429  */
430 void cpu_init_cache_scrub(void);
431 
432 /*
433  * clock/tick register operations
434  */
435 void	cpu_init_tick_freq(void);
436 
437 /*
438  * stick synchronization
439  */
440 void	sticksync_slave(void);
441 void	sticksync_master(void);
442 
443 #endif /* _ASM */
444 
445 /*
446  * Actions for set_error_enable_tl1
447  */
448 #define	EER_SET_ABSOLUTE	0x0
449 #define	EER_SET_SETBITS		0x1
450 #define	EER_SET_CLRBITS		0x2
451 
452 /*
453  * HVDUMP_SIZE_MAX set as 64k due to limitiation by intrq_alloc()
454  */
455 
456 #define	HVDUMP_SIZE_MAX		0x10000
457 #define	HVDUMP_SIZE_DEFAULT	0x8000
458 
459 /*
460  * HV TOD service retry in usecs
461  */
462 
463 #define	HV_TOD_RETRY_THRESH	100
464 #define	HV_TOD_WAIT_USEC	5
465 
466 /*
467  * Interrupt Queues and Error Queues
468  */
469 
470 #define	INTR_CPU_Q	0x3c
471 #define	INTR_DEV_Q	0x3d
472 #define	CPU_RQ		0x3e
473 #define	CPU_NRQ		0x3f
474 #define	DEFAULT_CPU_Q_ENTRIES	0x100
475 #define	DEFAULT_DEV_Q_ENTRIES	0x100
476 #define	INTR_REPORT_SIZE	64
477 
478 #ifndef	_ASM
479 extern uint64_t cpu_q_entries;
480 extern uint64_t dev_q_entries;
481 extern uint64_t cpu_rq_entries;
482 extern uint64_t cpu_nrq_entries;
483 extern uint64_t ncpu_guest_max;
484 #endif /* _ASM */
485 
486 #endif /* _KERNEL */
487 
488 #ifdef __cplusplus
489 }
490 #endif
491 
492 #endif	/* _SYS_MACHSYSTM_H */
493