diff options
Diffstat (limited to 'arch/x86/kernel/apic/es7000_32.c')
-rw-r--r-- | arch/x86/kernel/apic/es7000_32.c | 781 |
1 files changed, 781 insertions, 0 deletions
diff --git a/arch/x86/kernel/apic/es7000_32.c b/arch/x86/kernel/apic/es7000_32.c new file mode 100644 index 00000000000..1c11b819f24 --- /dev/null +++ b/arch/x86/kernel/apic/es7000_32.c | |||
@@ -0,0 +1,781 @@ | |||
1 | /* | ||
2 | * Written by: Garry Forsgren, Unisys Corporation | ||
3 | * Natalie Protasevich, Unisys Corporation | ||
4 | * | ||
5 | * This file contains the code to configure and interface | ||
6 | * with Unisys ES7000 series hardware system manager. | ||
7 | * | ||
8 | * Copyright (c) 2003 Unisys Corporation. | ||
9 | * Copyright (C) 2009, Red Hat, Inc., Ingo Molnar | ||
10 | * | ||
11 | * All Rights Reserved. | ||
12 | * | ||
13 | * This program is free software; you can redistribute it and/or modify it | ||
14 | * under the terms of version 2 of the GNU General Public License as | ||
15 | * published by the Free Software Foundation. | ||
16 | * | ||
17 | * This program is distributed in the hope that it would be useful, but | ||
18 | * WITHOUT ANY WARRANTY; without even the implied warranty of | ||
19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. | ||
20 | * | ||
21 | * You should have received a copy of the GNU General Public License along | ||
22 | * with this program; if not, write the Free Software Foundation, Inc., 59 | ||
23 | * Temple Place - Suite 330, Boston MA 02111-1307, USA. | ||
24 | * | ||
25 | * Contact information: Unisys Corporation, Township Line & Union Meeting | ||
26 | * Roads-A, Unisys Way, Blue Bell, Pennsylvania, 19424, or: | ||
27 | * | ||
28 | * http://www.unisys.com | ||
29 | */ | ||
30 | #include <linux/notifier.h> | ||
31 | #include <linux/spinlock.h> | ||
32 | #include <linux/cpumask.h> | ||
33 | #include <linux/threads.h> | ||
34 | #include <linux/kernel.h> | ||
35 | #include <linux/module.h> | ||
36 | #include <linux/reboot.h> | ||
37 | #include <linux/string.h> | ||
38 | #include <linux/types.h> | ||
39 | #include <linux/errno.h> | ||
40 | #include <linux/acpi.h> | ||
41 | #include <linux/init.h> | ||
42 | #include <linux/nmi.h> | ||
43 | #include <linux/smp.h> | ||
44 | #include <linux/io.h> | ||
45 | |||
46 | #include <asm/apicdef.h> | ||
47 | #include <asm/atomic.h> | ||
48 | #include <asm/fixmap.h> | ||
49 | #include <asm/mpspec.h> | ||
50 | #include <asm/setup.h> | ||
51 | #include <asm/apic.h> | ||
52 | #include <asm/ipi.h> | ||
53 | |||
54 | /* | ||
55 | * ES7000 chipsets | ||
56 | */ | ||
57 | |||
58 | #define NON_UNISYS 0 | ||
59 | #define ES7000_CLASSIC 1 | ||
60 | #define ES7000_ZORRO 2 | ||
61 | |||
62 | #define MIP_REG 1 | ||
63 | #define MIP_PSAI_REG 4 | ||
64 | |||
65 | #define MIP_BUSY 1 | ||
66 | #define MIP_SPIN 0xf0000 | ||
67 | #define MIP_VALID 0x0100000000000000ULL | ||
68 | #define MIP_SW_APIC 0x1020b | ||
69 | |||
70 | #define MIP_PORT(val) ((val >> 32) & 0xffff) | ||
71 | |||
72 | #define MIP_RD_LO(val) (val & 0xffffffff) | ||
73 | |||
74 | struct mip_reg { | ||
75 | unsigned long long off_0x00; | ||
76 | unsigned long long off_0x08; | ||
77 | unsigned long long off_0x10; | ||
78 | unsigned long long off_0x18; | ||
79 | unsigned long long off_0x20; | ||
80 | unsigned long long off_0x28; | ||
81 | unsigned long long off_0x30; | ||
82 | unsigned long long off_0x38; | ||
83 | }; | ||
84 | |||
85 | struct mip_reg_info { | ||
86 | unsigned long long mip_info; | ||
87 | unsigned long long delivery_info; | ||
88 | unsigned long long host_reg; | ||
89 | unsigned long long mip_reg; | ||
90 | }; | ||
91 | |||
92 | struct psai { | ||
93 | unsigned long long entry_type; | ||
94 | unsigned long long addr; | ||
95 | unsigned long long bep_addr; | ||
96 | }; | ||
97 | |||
98 | #ifdef CONFIG_ACPI | ||
99 | |||
100 | struct es7000_oem_table { | ||
101 | struct acpi_table_header Header; | ||
102 | u32 OEMTableAddr; | ||
103 | u32 OEMTableSize; | ||
104 | }; | ||
105 | |||
106 | static unsigned long oem_addrX; | ||
107 | static unsigned long oem_size; | ||
108 | |||
109 | #endif | ||
110 | |||
111 | /* | ||
112 | * ES7000 Globals | ||
113 | */ | ||
114 | |||
115 | static volatile unsigned long *psai; | ||
116 | static struct mip_reg *mip_reg; | ||
117 | static struct mip_reg *host_reg; | ||
118 | static int mip_port; | ||
119 | static unsigned long mip_addr; | ||
120 | static unsigned long host_addr; | ||
121 | |||
122 | int es7000_plat; | ||
123 | |||
124 | /* | ||
125 | * GSI override for ES7000 platforms. | ||
126 | */ | ||
127 | |||
128 | static unsigned int base; | ||
129 | |||
130 | static int | ||
131 | es7000_rename_gsi(int ioapic, int gsi) | ||
132 | { | ||
133 | if (es7000_plat == ES7000_ZORRO) | ||
134 | return gsi; | ||
135 | |||
136 | if (!base) { | ||
137 | int i; | ||
138 | for (i = 0; i < nr_ioapics; i++) | ||
139 | base += nr_ioapic_registers[i]; | ||
140 | } | ||
141 | |||
142 | if (!ioapic && (gsi < 16)) | ||
143 | gsi += base; | ||
144 | |||
145 | return gsi; | ||
146 | } | ||
147 | |||
148 | static int wakeup_secondary_cpu_via_mip(int cpu, unsigned long eip) | ||
149 | { | ||
150 | unsigned long vect = 0, psaival = 0; | ||
151 | |||
152 | if (psai == NULL) | ||
153 | return -1; | ||
154 | |||
155 | vect = ((unsigned long)__pa(eip)/0x1000) << 16; | ||
156 | psaival = (0x1000000 | vect | cpu); | ||
157 | |||
158 | while (*psai & 0x1000000) | ||
159 | ; | ||
160 | |||
161 | *psai = psaival; | ||
162 | |||
163 | return 0; | ||
164 | } | ||
165 | |||
166 | static int es7000_apic_is_cluster(void) | ||
167 | { | ||
168 | /* MPENTIUMIII */ | ||
169 | if (boot_cpu_data.x86 == 6 && | ||
170 | (boot_cpu_data.x86_model >= 7 || boot_cpu_data.x86_model <= 11)) | ||
171 | return 1; | ||
172 | |||
173 | return 0; | ||
174 | } | ||
175 | |||
176 | static void setup_unisys(void) | ||
177 | { | ||
178 | /* | ||
179 | * Determine the generation of the ES7000 currently running. | ||
180 | * | ||
181 | * es7000_plat = 1 if the machine is a 5xx ES7000 box | ||
182 | * es7000_plat = 2 if the machine is a x86_64 ES7000 box | ||
183 | * | ||
184 | */ | ||
185 | if (!(boot_cpu_data.x86 <= 15 && boot_cpu_data.x86_model <= 2)) | ||
186 | es7000_plat = ES7000_ZORRO; | ||
187 | else | ||
188 | es7000_plat = ES7000_CLASSIC; | ||
189 | ioapic_renumber_irq = es7000_rename_gsi; | ||
190 | } | ||
191 | |||
192 | /* | ||
193 | * Parse the OEM Table: | ||
194 | */ | ||
195 | static int parse_unisys_oem(char *oemptr) | ||
196 | { | ||
197 | int i; | ||
198 | int success = 0; | ||
199 | unsigned char type, size; | ||
200 | unsigned long val; | ||
201 | char *tp = NULL; | ||
202 | struct psai *psaip = NULL; | ||
203 | struct mip_reg_info *mi; | ||
204 | struct mip_reg *host, *mip; | ||
205 | |||
206 | tp = oemptr; | ||
207 | |||
208 | tp += 8; | ||
209 | |||
210 | for (i = 0; i <= 6; i++) { | ||
211 | type = *tp++; | ||
212 | size = *tp++; | ||
213 | tp -= 2; | ||
214 | switch (type) { | ||
215 | case MIP_REG: | ||
216 | mi = (struct mip_reg_info *)tp; | ||
217 | val = MIP_RD_LO(mi->host_reg); | ||
218 | host_addr = val; | ||
219 | host = (struct mip_reg *)val; | ||
220 | host_reg = __va(host); | ||
221 | val = MIP_RD_LO(mi->mip_reg); | ||
222 | mip_port = MIP_PORT(mi->mip_info); | ||
223 | mip_addr = val; | ||
224 | mip = (struct mip_reg *)val; | ||
225 | mip_reg = __va(mip); | ||
226 | pr_debug("es7000_mipcfg: host_reg = 0x%lx \n", | ||
227 | (unsigned long)host_reg); | ||
228 | pr_debug("es7000_mipcfg: mip_reg = 0x%lx \n", | ||
229 | (unsigned long)mip_reg); | ||
230 | success++; | ||
231 | break; | ||
232 | case MIP_PSAI_REG: | ||
233 | psaip = (struct psai *)tp; | ||
234 | if (tp != NULL) { | ||
235 | if (psaip->addr) | ||
236 | psai = __va(psaip->addr); | ||
237 | else | ||
238 | psai = NULL; | ||
239 | success++; | ||
240 | } | ||
241 | break; | ||
242 | default: | ||
243 | break; | ||
244 | } | ||
245 | tp += size; | ||
246 | } | ||
247 | |||
248 | if (success < 2) | ||
249 | es7000_plat = NON_UNISYS; | ||
250 | else | ||
251 | setup_unisys(); | ||
252 | |||
253 | return es7000_plat; | ||
254 | } | ||
255 | |||
256 | #ifdef CONFIG_ACPI | ||
257 | static int find_unisys_acpi_oem_table(unsigned long *oem_addr) | ||
258 | { | ||
259 | struct acpi_table_header *header = NULL; | ||
260 | struct es7000_oem_table *table; | ||
261 | acpi_size tbl_size; | ||
262 | acpi_status ret; | ||
263 | int i = 0; | ||
264 | |||
265 | for (;;) { | ||
266 | ret = acpi_get_table_with_size("OEM1", i++, &header, &tbl_size); | ||
267 | if (!ACPI_SUCCESS(ret)) | ||
268 | return -1; | ||
269 | |||
270 | if (!memcmp((char *) &header->oem_id, "UNISYS", 6)) | ||
271 | break; | ||
272 | |||
273 | early_acpi_os_unmap_memory(header, tbl_size); | ||
274 | } | ||
275 | |||
276 | table = (void *)header; | ||
277 | |||
278 | oem_addrX = table->OEMTableAddr; | ||
279 | oem_size = table->OEMTableSize; | ||
280 | |||
281 | early_acpi_os_unmap_memory(header, tbl_size); | ||
282 | |||
283 | *oem_addr = (unsigned long)__acpi_map_table(oem_addrX, oem_size); | ||
284 | |||
285 | return 0; | ||
286 | } | ||
287 | |||
288 | static void unmap_unisys_acpi_oem_table(unsigned long oem_addr) | ||
289 | { | ||
290 | if (!oem_addr) | ||
291 | return; | ||
292 | |||
293 | __acpi_unmap_table((char *)oem_addr, oem_size); | ||
294 | } | ||
295 | |||
296 | static int es7000_check_dsdt(void) | ||
297 | { | ||
298 | struct acpi_table_header header; | ||
299 | |||
300 | if (ACPI_SUCCESS(acpi_get_table_header(ACPI_SIG_DSDT, 0, &header)) && | ||
301 | !strncmp(header.oem_id, "UNISYS", 6)) | ||
302 | return 1; | ||
303 | return 0; | ||
304 | } | ||
305 | |||
306 | static int es7000_acpi_ret; | ||
307 | |||
308 | /* Hook from generic ACPI tables.c */ | ||
309 | static int es7000_acpi_madt_oem_check(char *oem_id, char *oem_table_id) | ||
310 | { | ||
311 | unsigned long oem_addr = 0; | ||
312 | int check_dsdt; | ||
313 | int ret = 0; | ||
314 | |||
315 | /* check dsdt at first to avoid clear fix_map for oem_addr */ | ||
316 | check_dsdt = es7000_check_dsdt(); | ||
317 | |||
318 | if (!find_unisys_acpi_oem_table(&oem_addr)) { | ||
319 | if (check_dsdt) { | ||
320 | ret = parse_unisys_oem((char *)oem_addr); | ||
321 | } else { | ||
322 | setup_unisys(); | ||
323 | ret = 1; | ||
324 | } | ||
325 | /* | ||
326 | * we need to unmap it | ||
327 | */ | ||
328 | unmap_unisys_acpi_oem_table(oem_addr); | ||
329 | } | ||
330 | |||
331 | es7000_acpi_ret = ret; | ||
332 | |||
333 | return ret && !es7000_apic_is_cluster(); | ||
334 | } | ||
335 | |||
336 | static int es7000_acpi_madt_oem_check_cluster(char *oem_id, char *oem_table_id) | ||
337 | { | ||
338 | int ret = es7000_acpi_ret; | ||
339 | |||
340 | return ret && es7000_apic_is_cluster(); | ||
341 | } | ||
342 | |||
343 | #else /* !CONFIG_ACPI: */ | ||
344 | static int es7000_acpi_madt_oem_check(char *oem_id, char *oem_table_id) | ||
345 | { | ||
346 | return 0; | ||
347 | } | ||
348 | |||
349 | static int es7000_acpi_madt_oem_check_cluster(char *oem_id, char *oem_table_id) | ||
350 | { | ||
351 | return 0; | ||
352 | } | ||
353 | #endif /* !CONFIG_ACPI */ | ||
354 | |||
355 | static void es7000_spin(int n) | ||
356 | { | ||
357 | int i = 0; | ||
358 | |||
359 | while (i++ < n) | ||
360 | rep_nop(); | ||
361 | } | ||
362 | |||
363 | static int es7000_mip_write(struct mip_reg *mip_reg) | ||
364 | { | ||
365 | int status = 0; | ||
366 | int spin; | ||
367 | |||
368 | spin = MIP_SPIN; | ||
369 | while ((host_reg->off_0x38 & MIP_VALID) != 0) { | ||
370 | if (--spin <= 0) { | ||
371 | WARN(1, "Timeout waiting for Host Valid Flag\n"); | ||
372 | return -1; | ||
373 | } | ||
374 | es7000_spin(MIP_SPIN); | ||
375 | } | ||
376 | |||
377 | memcpy(host_reg, mip_reg, sizeof(struct mip_reg)); | ||
378 | outb(1, mip_port); | ||
379 | |||
380 | spin = MIP_SPIN; | ||
381 | |||
382 | while ((mip_reg->off_0x38 & MIP_VALID) == 0) { | ||
383 | if (--spin <= 0) { | ||
384 | WARN(1, "Timeout waiting for MIP Valid Flag\n"); | ||
385 | return -1; | ||
386 | } | ||
387 | es7000_spin(MIP_SPIN); | ||
388 | } | ||
389 | |||
390 | status = (mip_reg->off_0x00 & 0xffff0000000000ULL) >> 48; | ||
391 | mip_reg->off_0x38 &= ~MIP_VALID; | ||
392 | |||
393 | return status; | ||
394 | } | ||
395 | |||
396 | static void es7000_enable_apic_mode(void) | ||
397 | { | ||
398 | struct mip_reg es7000_mip_reg; | ||
399 | int mip_status; | ||
400 | |||
401 | if (!es7000_plat) | ||
402 | return; | ||
403 | |||
404 | printk(KERN_INFO "ES7000: Enabling APIC mode.\n"); | ||
405 | memset(&es7000_mip_reg, 0, sizeof(struct mip_reg)); | ||
406 | es7000_mip_reg.off_0x00 = MIP_SW_APIC; | ||
407 | es7000_mip_reg.off_0x38 = MIP_VALID; | ||
408 | |||
409 | while ((mip_status = es7000_mip_write(&es7000_mip_reg)) != 0) | ||
410 | WARN(1, "Command failed, status = %x\n", mip_status); | ||
411 | } | ||
412 | |||
413 | static void es7000_vector_allocation_domain(int cpu, struct cpumask *retmask) | ||
414 | { | ||
415 | /* Careful. Some cpus do not strictly honor the set of cpus | ||
416 | * specified in the interrupt destination when using lowest | ||
417 | * priority interrupt delivery mode. | ||
418 | * | ||
419 | * In particular there was a hyperthreading cpu observed to | ||
420 | * deliver interrupts to the wrong hyperthread when only one | ||
421 | * hyperthread was specified in the interrupt desitination. | ||
422 | */ | ||
423 | cpumask_clear(retmask); | ||
424 | cpumask_bits(retmask)[0] = APIC_ALL_CPUS; | ||
425 | } | ||
426 | |||
427 | |||
428 | static void es7000_wait_for_init_deassert(atomic_t *deassert) | ||
429 | { | ||
430 | while (!atomic_read(deassert)) | ||
431 | cpu_relax(); | ||
432 | } | ||
433 | |||
434 | static unsigned int es7000_get_apic_id(unsigned long x) | ||
435 | { | ||
436 | return (x >> 24) & 0xFF; | ||
437 | } | ||
438 | |||
439 | static void es7000_send_IPI_mask(const struct cpumask *mask, int vector) | ||
440 | { | ||
441 | default_send_IPI_mask_sequence_phys(mask, vector); | ||
442 | } | ||
443 | |||
444 | static void es7000_send_IPI_allbutself(int vector) | ||
445 | { | ||
446 | default_send_IPI_mask_allbutself_phys(cpu_online_mask, vector); | ||
447 | } | ||
448 | |||
449 | static void es7000_send_IPI_all(int vector) | ||
450 | { | ||
451 | es7000_send_IPI_mask(cpu_online_mask, vector); | ||
452 | } | ||
453 | |||
454 | static int es7000_apic_id_registered(void) | ||
455 | { | ||
456 | return 1; | ||
457 | } | ||
458 | |||
459 | static const struct cpumask *target_cpus_cluster(void) | ||
460 | { | ||
461 | return cpu_all_mask; | ||
462 | } | ||
463 | |||
464 | static const struct cpumask *es7000_target_cpus(void) | ||
465 | { | ||
466 | return cpumask_of(smp_processor_id()); | ||
467 | } | ||
468 | |||
469 | static unsigned long | ||
470 | es7000_check_apicid_used(physid_mask_t bitmap, int apicid) | ||
471 | { | ||
472 | return 0; | ||
473 | } | ||
474 | static unsigned long es7000_check_apicid_present(int bit) | ||
475 | { | ||
476 | return physid_isset(bit, phys_cpu_present_map); | ||
477 | } | ||
478 | |||
479 | static unsigned long calculate_ldr(int cpu) | ||
480 | { | ||
481 | unsigned long id = per_cpu(x86_bios_cpu_apicid, cpu); | ||
482 | |||
483 | return SET_APIC_LOGICAL_ID(id); | ||
484 | } | ||
485 | |||
486 | /* | ||
487 | * Set up the logical destination ID. | ||
488 | * | ||
489 | * Intel recommends to set DFR, LdR and TPR before enabling | ||
490 | * an APIC. See e.g. "AP-388 82489DX User's Manual" (Intel | ||
491 | * document number 292116). So here it goes... | ||
492 | */ | ||
493 | static void es7000_init_apic_ldr_cluster(void) | ||
494 | { | ||
495 | unsigned long val; | ||
496 | int cpu = smp_processor_id(); | ||
497 | |||
498 | apic_write(APIC_DFR, APIC_DFR_CLUSTER); | ||
499 | val = calculate_ldr(cpu); | ||
500 | apic_write(APIC_LDR, val); | ||
501 | } | ||
502 | |||
503 | static void es7000_init_apic_ldr(void) | ||
504 | { | ||
505 | unsigned long val; | ||
506 | int cpu = smp_processor_id(); | ||
507 | |||
508 | apic_write(APIC_DFR, APIC_DFR_FLAT); | ||
509 | val = calculate_ldr(cpu); | ||
510 | apic_write(APIC_LDR, val); | ||
511 | } | ||
512 | |||
513 | static void es7000_setup_apic_routing(void) | ||
514 | { | ||
515 | int apic = per_cpu(x86_bios_cpu_apicid, smp_processor_id()); | ||
516 | |||
517 | printk(KERN_INFO | ||
518 | "Enabling APIC mode: %s. Using %d I/O APICs, target cpus %lx\n", | ||
519 | (apic_version[apic] == 0x14) ? | ||
520 | "Physical Cluster" : "Logical Cluster", | ||
521 | nr_ioapics, cpumask_bits(es7000_target_cpus())[0]); | ||
522 | } | ||
523 | |||
524 | static int es7000_apicid_to_node(int logical_apicid) | ||
525 | { | ||
526 | return 0; | ||
527 | } | ||
528 | |||
529 | |||
530 | static int es7000_cpu_present_to_apicid(int mps_cpu) | ||
531 | { | ||
532 | if (!mps_cpu) | ||
533 | return boot_cpu_physical_apicid; | ||
534 | else if (mps_cpu < nr_cpu_ids) | ||
535 | return per_cpu(x86_bios_cpu_apicid, mps_cpu); | ||
536 | else | ||
537 | return BAD_APICID; | ||
538 | } | ||
539 | |||
540 | static int cpu_id; | ||
541 | |||
542 | static physid_mask_t es7000_apicid_to_cpu_present(int phys_apicid) | ||
543 | { | ||
544 | physid_mask_t mask; | ||
545 | |||
546 | mask = physid_mask_of_physid(cpu_id); | ||
547 | ++cpu_id; | ||
548 | |||
549 | return mask; | ||
550 | } | ||
551 | |||
552 | /* Mapping from cpu number to logical apicid */ | ||
553 | static int es7000_cpu_to_logical_apicid(int cpu) | ||
554 | { | ||
555 | #ifdef CONFIG_SMP | ||
556 | if (cpu >= nr_cpu_ids) | ||
557 | return BAD_APICID; | ||
558 | return cpu_2_logical_apicid[cpu]; | ||
559 | #else | ||
560 | return logical_smp_processor_id(); | ||
561 | #endif | ||
562 | } | ||
563 | |||
564 | static physid_mask_t es7000_ioapic_phys_id_map(physid_mask_t phys_map) | ||
565 | { | ||
566 | /* For clustered we don't have a good way to do this yet - hack */ | ||
567 | return physids_promote(0xff); | ||
568 | } | ||
569 | |||
570 | static int es7000_check_phys_apicid_present(int cpu_physical_apicid) | ||
571 | { | ||
572 | boot_cpu_physical_apicid = read_apic_id(); | ||
573 | return 1; | ||
574 | } | ||
575 | |||
576 | static unsigned int es7000_cpu_mask_to_apicid(const struct cpumask *cpumask) | ||
577 | { | ||
578 | unsigned int round = 0; | ||
579 | int cpu, uninitialized_var(apicid); | ||
580 | |||
581 | /* | ||
582 | * The cpus in the mask must all be on the apic cluster. | ||
583 | */ | ||
584 | for_each_cpu(cpu, cpumask) { | ||
585 | int new_apicid = es7000_cpu_to_logical_apicid(cpu); | ||
586 | |||
587 | if (round && APIC_CLUSTER(apicid) != APIC_CLUSTER(new_apicid)) { | ||
588 | WARN(1, "Not a valid mask!"); | ||
589 | |||
590 | return BAD_APICID; | ||
591 | } | ||
592 | apicid = new_apicid; | ||
593 | round++; | ||
594 | } | ||
595 | return apicid; | ||
596 | } | ||
597 | |||
598 | static unsigned int | ||
599 | es7000_cpu_mask_to_apicid_and(const struct cpumask *inmask, | ||
600 | const struct cpumask *andmask) | ||
601 | { | ||
602 | int apicid = es7000_cpu_to_logical_apicid(0); | ||
603 | cpumask_var_t cpumask; | ||
604 | |||
605 | if (!alloc_cpumask_var(&cpumask, GFP_ATOMIC)) | ||
606 | return apicid; | ||
607 | |||
608 | cpumask_and(cpumask, inmask, andmask); | ||
609 | cpumask_and(cpumask, cpumask, cpu_online_mask); | ||
610 | apicid = es7000_cpu_mask_to_apicid(cpumask); | ||
611 | |||
612 | free_cpumask_var(cpumask); | ||
613 | |||
614 | return apicid; | ||
615 | } | ||
616 | |||
617 | static int es7000_phys_pkg_id(int cpuid_apic, int index_msb) | ||
618 | { | ||
619 | return cpuid_apic >> index_msb; | ||
620 | } | ||
621 | |||
622 | static int probe_es7000(void) | ||
623 | { | ||
624 | /* probed later in mptable/ACPI hooks */ | ||
625 | return 0; | ||
626 | } | ||
627 | |||
628 | static int es7000_mps_ret; | ||
629 | static int es7000_mps_oem_check(struct mpc_table *mpc, char *oem, | ||
630 | char *productid) | ||
631 | { | ||
632 | int ret = 0; | ||
633 | |||
634 | if (mpc->oemptr) { | ||
635 | struct mpc_oemtable *oem_table = | ||
636 | (struct mpc_oemtable *)mpc->oemptr; | ||
637 | |||
638 | if (!strncmp(oem, "UNISYS", 6)) | ||
639 | ret = parse_unisys_oem((char *)oem_table); | ||
640 | } | ||
641 | |||
642 | es7000_mps_ret = ret; | ||
643 | |||
644 | return ret && !es7000_apic_is_cluster(); | ||
645 | } | ||
646 | |||
647 | static int es7000_mps_oem_check_cluster(struct mpc_table *mpc, char *oem, | ||
648 | char *productid) | ||
649 | { | ||
650 | int ret = es7000_mps_ret; | ||
651 | |||
652 | return ret && es7000_apic_is_cluster(); | ||
653 | } | ||
654 | |||
655 | struct apic apic_es7000_cluster = { | ||
656 | |||
657 | .name = "es7000", | ||
658 | .probe = probe_es7000, | ||
659 | .acpi_madt_oem_check = es7000_acpi_madt_oem_check_cluster, | ||
660 | .apic_id_registered = es7000_apic_id_registered, | ||
661 | |||
662 | .irq_delivery_mode = dest_LowestPrio, | ||
663 | /* logical delivery broadcast to all procs: */ | ||
664 | .irq_dest_mode = 1, | ||
665 | |||
666 | .target_cpus = target_cpus_cluster, | ||
667 | .disable_esr = 1, | ||
668 | .dest_logical = 0, | ||
669 | .check_apicid_used = es7000_check_apicid_used, | ||
670 | .check_apicid_present = es7000_check_apicid_present, | ||
671 | |||
672 | .vector_allocation_domain = es7000_vector_allocation_domain, | ||
673 | .init_apic_ldr = es7000_init_apic_ldr_cluster, | ||
674 | |||
675 | .ioapic_phys_id_map = es7000_ioapic_phys_id_map, | ||
676 | .setup_apic_routing = es7000_setup_apic_routing, | ||
677 | .multi_timer_check = NULL, | ||
678 | .apicid_to_node = es7000_apicid_to_node, | ||
679 | .cpu_to_logical_apicid = es7000_cpu_to_logical_apicid, | ||
680 | .cpu_present_to_apicid = es7000_cpu_present_to_apicid, | ||
681 | .apicid_to_cpu_present = es7000_apicid_to_cpu_present, | ||
682 | .setup_portio_remap = NULL, | ||
683 | .check_phys_apicid_present = es7000_check_phys_apicid_present, | ||
684 | .enable_apic_mode = es7000_enable_apic_mode, | ||
685 | .phys_pkg_id = es7000_phys_pkg_id, | ||
686 | .mps_oem_check = es7000_mps_oem_check_cluster, | ||
687 | |||
688 | .get_apic_id = es7000_get_apic_id, | ||
689 | .set_apic_id = NULL, | ||
690 | .apic_id_mask = 0xFF << 24, | ||
691 | |||
692 | .cpu_mask_to_apicid = es7000_cpu_mask_to_apicid, | ||
693 | .cpu_mask_to_apicid_and = es7000_cpu_mask_to_apicid_and, | ||
694 | |||
695 | .send_IPI_mask = es7000_send_IPI_mask, | ||
696 | .send_IPI_mask_allbutself = NULL, | ||
697 | .send_IPI_allbutself = es7000_send_IPI_allbutself, | ||
698 | .send_IPI_all = es7000_send_IPI_all, | ||
699 | .send_IPI_self = default_send_IPI_self, | ||
700 | |||
701 | .wakeup_secondary_cpu = wakeup_secondary_cpu_via_mip, | ||
702 | |||
703 | .trampoline_phys_low = 0x467, | ||
704 | .trampoline_phys_high = 0x469, | ||
705 | |||
706 | .wait_for_init_deassert = NULL, | ||
707 | |||
708 | /* Nothing to do for most platforms, since cleared by the INIT cycle: */ | ||
709 | .smp_callin_clear_local_apic = NULL, | ||
710 | .inquire_remote_apic = default_inquire_remote_apic, | ||
711 | |||
712 | .read = native_apic_mem_read, | ||
713 | .write = native_apic_mem_write, | ||
714 | .icr_read = native_apic_icr_read, | ||
715 | .icr_write = native_apic_icr_write, | ||
716 | .wait_icr_idle = native_apic_wait_icr_idle, | ||
717 | .safe_wait_icr_idle = native_safe_apic_wait_icr_idle, | ||
718 | }; | ||
719 | |||
720 | struct apic apic_es7000 = { | ||
721 | |||
722 | .name = "es7000", | ||
723 | .probe = probe_es7000, | ||
724 | .acpi_madt_oem_check = es7000_acpi_madt_oem_check, | ||
725 | .apic_id_registered = es7000_apic_id_registered, | ||
726 | |||
727 | .irq_delivery_mode = dest_Fixed, | ||
728 | /* phys delivery to target CPUs: */ | ||
729 | .irq_dest_mode = 0, | ||
730 | |||
731 | .target_cpus = es7000_target_cpus, | ||
732 | .disable_esr = 1, | ||
733 | .dest_logical = 0, | ||
734 | .check_apicid_used = es7000_check_apicid_used, | ||
735 | .check_apicid_present = es7000_check_apicid_present, | ||
736 | |||
737 | .vector_allocation_domain = es7000_vector_allocation_domain, | ||
738 | .init_apic_ldr = es7000_init_apic_ldr, | ||
739 | |||
740 | .ioapic_phys_id_map = es7000_ioapic_phys_id_map, | ||
741 | .setup_apic_routing = es7000_setup_apic_routing, | ||
742 | .multi_timer_check = NULL, | ||
743 | .apicid_to_node = es7000_apicid_to_node, | ||
744 | .cpu_to_logical_apicid = es7000_cpu_to_logical_apicid, | ||
745 | .cpu_present_to_apicid = es7000_cpu_present_to_apicid, | ||
746 | .apicid_to_cpu_present = es7000_apicid_to_cpu_present, | ||
747 | .setup_portio_remap = NULL, | ||
748 | .check_phys_apicid_present = es7000_check_phys_apicid_present, | ||
749 | .enable_apic_mode = es7000_enable_apic_mode, | ||
750 | .phys_pkg_id = es7000_phys_pkg_id, | ||
751 | .mps_oem_check = es7000_mps_oem_check, | ||
752 | |||
753 | .get_apic_id = es7000_get_apic_id, | ||
754 | .set_apic_id = NULL, | ||
755 | .apic_id_mask = 0xFF << 24, | ||
756 | |||
757 | .cpu_mask_to_apicid = es7000_cpu_mask_to_apicid, | ||
758 | .cpu_mask_to_apicid_and = es7000_cpu_mask_to_apicid_and, | ||
759 | |||
760 | .send_IPI_mask = es7000_send_IPI_mask, | ||
761 | .send_IPI_mask_allbutself = NULL, | ||
762 | .send_IPI_allbutself = es7000_send_IPI_allbutself, | ||
763 | .send_IPI_all = es7000_send_IPI_all, | ||
764 | .send_IPI_self = default_send_IPI_self, | ||
765 | |||
766 | .trampoline_phys_low = 0x467, | ||
767 | .trampoline_phys_high = 0x469, | ||
768 | |||
769 | .wait_for_init_deassert = es7000_wait_for_init_deassert, | ||
770 | |||
771 | /* Nothing to do for most platforms, since cleared by the INIT cycle: */ | ||
772 | .smp_callin_clear_local_apic = NULL, | ||
773 | .inquire_remote_apic = default_inquire_remote_apic, | ||
774 | |||
775 | .read = native_apic_mem_read, | ||
776 | .write = native_apic_mem_write, | ||
777 | .icr_read = native_apic_icr_read, | ||
778 | .icr_write = native_apic_icr_write, | ||
779 | .wait_icr_idle = native_apic_wait_icr_idle, | ||
780 | .safe_wait_icr_idle = native_safe_apic_wait_icr_idle, | ||
781 | }; | ||