xref: /titanic_52/usr/src/uts/sun4u/sys/machsystm.h (revision a23420cf95f05ac67f2c299116a3225581e519d1)
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 /*
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 #include <sys/async.h>
48 #include <sys/errorq.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 panic_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 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 int ncpunode;
188 extern int niobus;
189 
190 extern void segnf_init(void);
191 extern void kern_setup1(void);
192 extern void startup(void);
193 extern void post_startup(void);
194 extern void install_va_to_tte(void);
195 extern void setwstate(uint_t);
196 extern void create_va_to_tte(void);
197 extern int memscrub_init(void);
198 
199 extern void kcpc_hw_init(void);
200 extern void kcpc_hw_startup_cpu(ushort_t);
201 extern int kcpc_hw_load_pcbe(void);
202 
203 /*
204  * Interrupts
205  */
206 struct cpu;
207 extern struct cpu cpu0;
208 extern struct scb *set_tbr(struct scb *);
209 
210 extern uint_t disable_vec_intr(void);
211 extern void enable_vec_intr(uint_t);
212 extern void setintrenable(int);
213 
214 extern void intr_dist_add(void (*f)(void *), void *);
215 extern void intr_dist_rem(void (*f)(void *), void *);
216 extern void intr_dist_add_weighted(void (*f)(void *, int32_t, int32_t), void *);
217 extern void intr_dist_rem_weighted(void (*f)(void *, int32_t, int32_t), void *);
218 
219 extern uint32_t intr_dist_cpuid(void);
220 
221 void intr_dist_cpuid_add_device_weight(uint32_t cpuid, dev_info_t *dip,
222 		int32_t weight);
223 void intr_dist_cpuid_rem_device_weight(uint32_t cpuid, dev_info_t *dip);
224 
225 extern void intr_redist_all_cpus(void);
226 extern void intr_redist_all_cpus_shutdown(void);
227 
228 extern void send_dirint(int, int);
229 extern void setsoftint(uint64_t);
230 extern void setsoftint_tl1(uint64_t, uint64_t);
231 extern void siron(void);
232 extern void sir_on(int);
233 extern uint64_t getidsr(void);
234 extern void intr_enqueue_req(uint_t pil, uint64_t inum);
235 extern void intr_dequeue_req(uint_t pil, uint64_t inum);
236 extern void wr_clr_softint(uint_t);
237 
238 /*
239  * Time- and %tick-related
240  */
241 extern hrtime_t rdtick(void);
242 extern void tick_write_delta(uint64_t);
243 extern void tickcmpr_set(uint64_t);
244 extern void tickcmpr_reset(void);
245 extern void tickcmpr_disable(void);
246 extern int tickcmpr_disabled(void);
247 extern uint64_t cbe_level14_inum;
248 
249 /*
250  * Caches
251  */
252 extern int vac;
253 extern int cache;
254 extern int use_mp;
255 extern uint_t vac_mask;
256 extern uint64_t ecache_flushaddr;
257 extern int dcache_size;		/* Maximum dcache size */
258 extern int dcache_linesize;	/* Minimum dcache linesize */
259 extern int icache_size;		/* Maximum icache size */
260 extern int icache_linesize;	/* Minimum icache linesize */
261 extern int ecache_alignsize;	/* Maximum ecache linesize for struct align */
262 extern int ecache_size;		/* Maximum ecache size */
263 extern int ecache_associativity;	/* ecache associativity */
264 extern int ecache_setsize;	/* Maximum ecache setsize possible */
265 extern int cpu_setsize;		/* Maximum ecache setsize of configured cpus */
266 
267 /*
268  * VM
269  */
270 extern int do_pg_coloring;
271 extern int use_page_coloring;
272 extern uint_t vac_colors_mask;
273 
274 extern int ndata_alloc_page_freelists(struct memlist *, int);
275 extern int ndata_alloc_dmv(struct memlist *);
276 extern int ndata_alloc_tsbs(struct memlist *, pgcnt_t);
277 extern int ndata_alloc_hat(struct memlist *, pgcnt_t);
278 extern int ndata_alloc_kpm(struct memlist *, pgcnt_t);
279 extern int ndata_alloc_page_mutexs(struct memlist *ndata);
280 
281 extern size_t calc_pp_sz(pgcnt_t);
282 extern size_t calc_kpmpp_sz(pgcnt_t);
283 extern size_t calc_hmehash_sz(pgcnt_t);
284 extern size_t calc_pagehash_sz(pgcnt_t);
285 extern size_t calc_free_pagelist_sz(void);
286 
287 extern caddr_t alloc_hmehash(caddr_t);
288 extern caddr_t alloc_page_freelists(caddr_t);
289 
290 extern size_t page_ctrs_sz(void);
291 extern caddr_t page_ctrs_alloc(caddr_t);
292 extern void page_freelist_coalesce_all(int);
293 extern void ppmapinit(void);
294 extern void hwblkpagecopy(const void *, void *);
295 extern void hw_pa_bcopy32(uint64_t, uint64_t);
296 
297 extern int pp_slots;
298 extern int pp_consistent_coloring;
299 
300 /*
301  * ppcopy/hwblkpagecopy interaction.  See ppage.c.
302  */
303 #define	PPAGE_STORE_VCOLORING	0x1 /* use vcolors to maintain consistency */
304 #define	PPAGE_LOAD_VCOLORING	0x2 /* use vcolors to maintain consistency */
305 #define	PPAGE_STORES_POLLUTE	0x4 /* stores pollute VAC */
306 #define	PPAGE_LOADS_POLLUTE	0x8 /* loads pollute VAC */
307 
308 /*
309  * VIS-accelerated copy/zero
310  */
311 extern int use_hw_bcopy;
312 extern uint_t hw_copy_limit_1;
313 extern uint_t hw_copy_limit_2;
314 extern uint_t hw_copy_limit_4;
315 extern uint_t hw_copy_limit_8;
316 extern int use_hw_bzero;
317 
318 #ifdef CHEETAH
319 #define	VIS_COPY_THRESHOLD 256
320 #else
321 #define	VIS_COPY_THRESHOLD 900
322 #endif
323 
324 /*
325  * MP
326  */
327 extern void idle_other_cpus(void);
328 extern void resume_other_cpus(void);
329 extern void stop_other_cpus(void);
330 extern void idle_stop_xcall(void);
331 extern void set_idle_cpu(int);
332 extern void unset_idle_cpu(int);
333 extern void mp_cpu_quiesce(struct cpu *);
334 
335 /*
336  * Error handling
337  */
338 extern void set_error_enable(uint64_t neer);
339 extern void set_error_enable_tl1(uint64_t neer, uint64_t action);
340 extern uint64_t get_error_enable(void);
341 extern void get_asyncflt(uint64_t *afsr);
342 extern void set_asyncflt(uint64_t afsr);
343 extern void get_asyncaddr(uint64_t *afar);
344 extern void scrubphys(uint64_t paddr, int ecache_size);
345 extern void clearphys(uint64_t paddr, int ecache_size, int ecache_linesize);
346 extern void flushecacheline(uint64_t paddr, int ecache_size);
347 extern int ce_scrub_xdiag_recirc(struct async_flt *, errorq_t *,
348     errorq_elem_t *, size_t);
349 extern char *flt_to_error_type(struct async_flt *);
350 
351 /*
352  * Panic at TL > 0
353  */
354 extern uint64_t cpu_pa[];
355 extern void ptl1_init_cpu(struct cpu *);
356 
357 /*
358  * Constants which define the "hole" in the 64-bit sfmmu address space.
359  * These are set to specific values by the CPU module code.
360  */
361 extern caddr_t	hole_start, hole_end;
362 
363 /* kpm mapping window */
364 extern size_t	kpm_size;
365 extern uchar_t	kpm_size_shift;
366 extern caddr_t	kpm_vbase;
367 
368 #define	INVALID_VADDR(a)	(((a) >= hole_start && (a) < hole_end))
369 
370 extern void adjust_hw_copy_limits(int);
371 
372 #endif /* _ASM */
373 
374 /*
375  * Actions for set_error_enable_tl1
376  */
377 #define	EER_SET_ABSOLUTE	0x0
378 #define	EER_SET_SETBITS		0x1
379 #define	EER_SET_CLRBITS		0x2
380 
381 #endif /* _KERNEL */
382 
383 #ifdef __cplusplus
384 }
385 #endif
386 
387 #endif	/* _SYS_MACHSYSTM_H */
388