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15325 bhyve upstream sync 2023 January
[illumos-gate.git] / usr / src / cmd / bhyve / acpi.c
blob466f435ac2a9e97138019308bc0ef1f8c9c67e5b
1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2012 NetApp, Inc.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 * $FreeBSD$
29 */
30
31 /*
32 * bhyve ACPI table generator.
33 *
34 * Create the minimal set of ACPI tables required to boot FreeBSD (and
35 * hopefully other o/s's).
36 *
37 * The tables are placed in the guest's ROM area just below 1MB physical,
38 * above the MPTable.
39 */
40
41 #include <sys/cdefs.h>
42 __FBSDID("$FreeBSD$");
43
44 #include <sys/param.h>
45 #include <sys/endian.h>
46 #include <sys/errno.h>
47 #include <sys/stat.h>
48
49 #include <err.h>
50 #include <paths.h>
51 #include <stdarg.h>
52 #include <stddef.h>
53 #include <stdio.h>
54 #include <stdlib.h>
55 #include <string.h>
56 #include <unistd.h>
57
58 #include <machine/vmm.h>
59 #include <vmmapi.h>
60
61 #include "bhyverun.h"
62 #include "acpi.h"
63 #include "basl.h"
64 #include "pci_emul.h"
65 #include "vmgenc.h"
66
67 #define BHYVE_ASL_TEMPLATE "bhyve.XXXXXXX"
68 #define BHYVE_ASL_SUFFIX ".aml"
69 #define BHYVE_ASL_COMPILER "/usr/sbin/iasl"
70
71 #define BHYVE_ADDRESS_IOAPIC 0xFEC00000
72 #define BHYVE_ADDRESS_HPET 0xFED00000
73 #define BHYVE_ADDRESS_LAPIC 0xFEE00000
74
75 static int basl_keep_temps;
76 static int basl_verbose_iasl;
77 static int basl_ncpu;
78 static uint32_t hpet_capabilities;
79
80 /*
81 * Contains the full pathname of the template to be passed
82 * to mkstemp/mktemps(3)
83 */
84 static char basl_template[MAXPATHLEN];
85 static char basl_stemplate[MAXPATHLEN];
86
87 /*
88 * State for dsdt_line(), dsdt_indent(), and dsdt_unindent().
89 */
90 static FILE *dsdt_fp;
91 static int dsdt_indent_level;
92 static int dsdt_error;
93
94 static struct basl_table *rsdt;
95 static struct basl_table *xsdt;
96
97 struct basl_fio {
98 int fd;
99 FILE *fp;
100 char f_name[MAXPATHLEN];
101 };
102
103 #define EFPRINTF(...) \
104 if (fprintf(__VA_ARGS__) < 0) goto err_exit;
105
106 #define EFFLUSH(x) \
107 if (fflush(x) != 0) goto err_exit;
108
109 /*
110 * Helper routines for writing to the DSDT from other modules.
111 */
112 void
113 dsdt_line(const char *fmt, ...)
114 {
115 va_list ap;
116
117 if (dsdt_error != 0)
118 return;
119
120 if (strcmp(fmt, "") != 0) {
121 if (dsdt_indent_level != 0)
122 EFPRINTF(dsdt_fp, "%*c", dsdt_indent_level * 2, ' ');
123 va_start(ap, fmt);
124 if (vfprintf(dsdt_fp, fmt, ap) < 0) {
125 va_end(ap);
126 goto err_exit;
127 }
128 va_end(ap);
129 }
130 EFPRINTF(dsdt_fp, "\n");
131 return;
132
133 err_exit:
134 dsdt_error = errno;
135 }
136
137 void
138 dsdt_indent(int levels)
139 {
140
141 dsdt_indent_level += levels;
142 assert(dsdt_indent_level >= 0);
143 }
144
145 void
146 dsdt_unindent(int levels)
147 {
148
149 assert(dsdt_indent_level >= levels);
150 dsdt_indent_level -= levels;
151 }
152
153 void
154 dsdt_fixed_ioport(uint16_t iobase, uint16_t length)
155 {
156
157 dsdt_line("IO (Decode16,");
158 dsdt_line(" 0x%04X, // Range Minimum", iobase);
159 dsdt_line(" 0x%04X, // Range Maximum", iobase);
160 dsdt_line(" 0x01, // Alignment");
161 dsdt_line(" 0x%02X, // Length", length);
162 dsdt_line(" )");
163 }
164
165 void
166 dsdt_fixed_irq(uint8_t irq)
167 {
168
169 dsdt_line("IRQNoFlags ()");
170 dsdt_line(" {%d}", irq);
171 }
172
173 void
174 dsdt_fixed_mem32(uint32_t base, uint32_t length)
175 {
176
177 dsdt_line("Memory32Fixed (ReadWrite,");
178 dsdt_line(" 0x%08X, // Address Base", base);
179 dsdt_line(" 0x%08X, // Address Length", length);
180 dsdt_line(" )");
181 }
182
183 static int
184 basl_fwrite_dsdt(FILE *fp)
185 {
186 dsdt_fp = fp;
187 dsdt_error = 0;
188 dsdt_indent_level = 0;
189
190 dsdt_line("/*");
191 dsdt_line(" * bhyve DSDT template");
192 dsdt_line(" */");
193 dsdt_line("DefinitionBlock (\"bhyve_dsdt.aml\", \"DSDT\", 2,"
194 "\"BHYVE \", \"BVDSDT \", 0x00000001)");
195 dsdt_line("{");
196 dsdt_line(" Name (_S5, Package ()");
197 dsdt_line(" {");
198 dsdt_line(" 0x05,");
199 dsdt_line(" Zero,");
200 dsdt_line(" })");
201
202 pci_write_dsdt();
203
204 dsdt_line("");
205 dsdt_line(" Scope (_SB.PC00)");
206 dsdt_line(" {");
207 dsdt_line(" Device (HPET)");
208 dsdt_line(" {");
209 dsdt_line(" Name (_HID, EISAID(\"PNP0103\"))");
210 dsdt_line(" Name (_UID, 0)");
211 dsdt_line(" Name (_CRS, ResourceTemplate ()");
212 dsdt_line(" {");
213 dsdt_indent(4);
214 dsdt_fixed_mem32(0xFED00000, 0x400);
215 dsdt_unindent(4);
216 dsdt_line(" })");
217 dsdt_line(" }");
218 dsdt_line(" }");
219
220 vmgenc_write_dsdt();
221
222 dsdt_line("}");
223
224 if (dsdt_error != 0)
225 return (dsdt_error);
226
227 EFFLUSH(fp);
228
229 return (0);
230
231 err_exit:
232 return (errno);
233 }
234
235 static int
236 basl_open(struct basl_fio *bf, int suffix)
237 {
238 int err;
239
240 err = 0;
241
242 if (suffix) {
243 strlcpy(bf->f_name, basl_stemplate, MAXPATHLEN);
244 bf->fd = mkstemps(bf->f_name, strlen(BHYVE_ASL_SUFFIX));
245 } else {
246 strlcpy(bf->f_name, basl_template, MAXPATHLEN);
247 bf->fd = mkstemp(bf->f_name);
248 }
249
250 if (bf->fd > 0) {
251 bf->fp = fdopen(bf->fd, "w+");
252 if (bf->fp == NULL) {
253 unlink(bf->f_name);
254 close(bf->fd);
255 }
256 } else {
257 err = 1;
258 }
259
260 return (err);
261 }
262
263 static void
264 basl_close(struct basl_fio *bf)
265 {
266
267 if (!basl_keep_temps)
268 unlink(bf->f_name);
269 fclose(bf->fp);
270 }
271
272 static int
273 basl_start(struct basl_fio *in, struct basl_fio *out)
274 {
275 int err;
276
277 err = basl_open(in, 0);
278 if (!err) {
279 err = basl_open(out, 1);
280 if (err) {
281 basl_close(in);
282 }
283 }
284
285 return (err);
286 }
287
288 static void
289 basl_end(struct basl_fio *in, struct basl_fio *out)
290 {
291
292 basl_close(in);
293 basl_close(out);
294 }
295
296 static int
297 basl_load(struct vmctx *ctx, int fd)
298 {
299 struct stat sb;
300 void *addr;
301
302 if (fstat(fd, &sb) < 0)
303 return (errno);
304
305 addr = calloc(1, sb.st_size);
306 if (addr == NULL)
307 return (EFAULT);
308
309 if (read(fd, addr, sb.st_size) < 0)
310 return (errno);
311
312 struct basl_table *table;
313
314 uint8_t name[ACPI_NAMESEG_SIZE + 1] = { 0 };
315 memcpy(name, addr, sizeof(name) - 1 /* last char is '\0' */);
316 BASL_EXEC(basl_table_create(&table, ctx, name, BASL_TABLE_ALIGNMENT));
317 BASL_EXEC(basl_table_append_bytes(table, addr, sb.st_size));
318
319 return (0);
320 }
321
322 static int
323 basl_compile(struct vmctx *ctx, int (*fwrite_section)(FILE *))
324 {
325 struct basl_fio io[2];
326 static char iaslbuf[3*MAXPATHLEN + 10];
327 const char *fmt;
328 int err;
329
330 err = basl_start(&io[0], &io[1]);
331 if (!err) {
332 err = (*fwrite_section)(io[0].fp);
333
334 if (!err) {
335 /*
336 * iasl sends the results of the compilation to
337 * stdout. Shut this down by using the shell to
338 * redirect stdout to /dev/null, unless the user
339 * has requested verbose output for debugging
340 * purposes
341 */
342 fmt = basl_verbose_iasl ?
343 "%s -p %s %s" :
344 "/bin/sh -c \"%s -p %s %s\" 1> /dev/null";
345
346 snprintf(iaslbuf, sizeof(iaslbuf),
347 fmt,
348 BHYVE_ASL_COMPILER,
349 io[1].f_name, io[0].f_name);
350 err = system(iaslbuf);
351
352 if (!err) {
353 /*
354 * Copy the aml output file into guest
355 * memory at the specified location
356 */
357 err = basl_load(ctx, io[1].fd);
358 }
359 }
360 basl_end(&io[0], &io[1]);
361 }
362
363 return (err);
364 }
365
366 static int
367 basl_make_templates(void)
368 {
369 const char *tmpdir;
370 int err;
371 int len;
372
373 err = 0;
374
375 /*
376 *
377 */
378 if ((tmpdir = getenv("BHYVE_TMPDIR")) == NULL || *tmpdir == '\0' ||
379 (tmpdir = getenv("TMPDIR")) == NULL || *tmpdir == '\0') {
380 tmpdir = _PATH_TMP;
381 }
382
383 len = strlen(tmpdir);
384
385 if ((len + sizeof(BHYVE_ASL_TEMPLATE) + 1) < MAXPATHLEN) {
386 strcpy(basl_template, tmpdir);
387 while (len > 0 && basl_template[len - 1] == '/')
388 len--;
389 basl_template[len] = '/';
390 strcpy(&basl_template[len + 1], BHYVE_ASL_TEMPLATE);
391 } else
392 err = E2BIG;
393
394 if (!err) {
395 /*
396 * len has been intialized (and maybe adjusted) above
397 */
398 if ((len + sizeof(BHYVE_ASL_TEMPLATE) + 1 +
399 sizeof(BHYVE_ASL_SUFFIX)) < MAXPATHLEN) {
400 strcpy(basl_stemplate, tmpdir);
401 basl_stemplate[len] = '/';
402 strcpy(&basl_stemplate[len + 1], BHYVE_ASL_TEMPLATE);
403 len = strlen(basl_stemplate);
404 strcpy(&basl_stemplate[len], BHYVE_ASL_SUFFIX);
405 } else
406 err = E2BIG;
407 }
408
409 return (err);
410 }
411
412 static int
413 build_dsdt(struct vmctx *const ctx)
414 {
415 BASL_EXEC(basl_compile(ctx, basl_fwrite_dsdt));
416
417 return (0);
418 }
419
420 static int
421 build_facs(struct vmctx *const ctx)
422 {
423 ACPI_TABLE_FACS facs;
424 struct basl_table *table;
425 BASL_EXEC(basl_table_create(&table, ctx, ACPI_SIG_FACS,
426 BASL_TABLE_ALIGNMENT_FACS));
427
428 memset(&facs, 0, sizeof(facs));
429 memcpy(facs.Signature, ACPI_SIG_FACS, ACPI_NAMESEG_SIZE);
430 facs.Length = sizeof(facs);
431 facs.Version = htole32(2);
432 BASL_EXEC(basl_table_append_bytes(table, &facs, sizeof(facs)));
433
434 return (0);
435 }
436
437 static int
438 build_fadt(struct vmctx *const ctx)
439 {
440 ACPI_TABLE_FADT fadt;
441 struct basl_table *table;
442
443 BASL_EXEC(basl_table_create(&table, ctx, ACPI_SIG_FADT,
444 BASL_TABLE_ALIGNMENT));
445
446 memset(&fadt, 0, sizeof(fadt));
447 BASL_EXEC(basl_table_append_header(table, ACPI_SIG_FADT, 5, 1));
448 fadt.Facs = htole32(0); /* patched by basl */
449 fadt.Dsdt = htole32(0); /* patched by basl */
450 fadt.SciInterrupt = htole16(SCI_INT);
451 fadt.SmiCommand = htole32(SMI_CMD);
452 fadt.AcpiEnable = BHYVE_ACPI_ENABLE;
453 fadt.AcpiDisable = BHYVE_ACPI_DISABLE;
454 fadt.Pm1aEventBlock = htole32(PM1A_EVT_ADDR);
455 fadt.Pm1aControlBlock = htole32(PM1A_CNT_ADDR);
456 fadt.PmTimerBlock = htole32(IO_PMTMR);
457 fadt.Gpe0Block = htole32(IO_GPE0_BLK);
458 fadt.Pm1EventLength = 4;
459 fadt.Pm1ControlLength = 2;
460 fadt.PmTimerLength = 4;
461 fadt.Gpe0BlockLength = IO_GPE0_LEN;
462 fadt.Century = 0x32;
463 fadt.BootFlags = htole16(ACPI_FADT_NO_VGA | ACPI_FADT_NO_ASPM);
464 fadt.Flags = htole32(ACPI_FADT_WBINVD | ACPI_FADT_C1_SUPPORTED |
465 ACPI_FADT_SLEEP_BUTTON | ACPI_FADT_32BIT_TIMER |
466 ACPI_FADT_RESET_REGISTER | ACPI_FADT_HEADLESS |
467 ACPI_FADT_APIC_PHYSICAL);
468 basl_fill_gas(&fadt.ResetRegister, ACPI_ADR_SPACE_SYSTEM_IO, 8, 0,
469 ACPI_GAS_ACCESS_WIDTH_BYTE, 0xCF9);
470 fadt.ResetValue = 6;
471 fadt.MinorRevision = 1;
472 fadt.XFacs = htole64(0); /* patched by basl */
473 fadt.XDsdt = htole64(0); /* patched by basl */
474 basl_fill_gas(&fadt.XPm1aEventBlock, ACPI_ADR_SPACE_SYSTEM_IO, 0x20, 0,
475 ACPI_GAS_ACCESS_WIDTH_WORD, PM1A_EVT_ADDR);
476 basl_fill_gas(&fadt.XPm1bEventBlock, ACPI_ADR_SPACE_SYSTEM_IO, 0, 0,
477 ACPI_GAS_ACCESS_WIDTH_UNDEFINED, 0);
478 basl_fill_gas(&fadt.XPm1aControlBlock, ACPI_ADR_SPACE_SYSTEM_IO, 0x10,
479 0, ACPI_GAS_ACCESS_WIDTH_WORD, PM1A_CNT_ADDR);
480 basl_fill_gas(&fadt.XPm1bControlBlock, ACPI_ADR_SPACE_SYSTEM_IO, 0, 0,
481 ACPI_GAS_ACCESS_WIDTH_UNDEFINED, 0);
482 basl_fill_gas(&fadt.XPm2ControlBlock, ACPI_ADR_SPACE_SYSTEM_IO, 8, 0,
483 ACPI_GAS_ACCESS_WIDTH_UNDEFINED, 0);
484 basl_fill_gas(&fadt.XPmTimerBlock, ACPI_ADR_SPACE_SYSTEM_IO, 0x20, 0,
485 ACPI_GAS_ACCESS_WIDTH_DWORD, IO_PMTMR);
486 basl_fill_gas(&fadt.XGpe0Block, ACPI_ADR_SPACE_SYSTEM_IO,
487 IO_GPE0_LEN * 8, 0, ACPI_GAS_ACCESS_WIDTH_BYTE, IO_GPE0_BLK);
488 basl_fill_gas(&fadt.XGpe1Block, ACPI_ADR_SPACE_SYSTEM_IO, 0, 0,
489 ACPI_GAS_ACCESS_WIDTH_UNDEFINED, 0);
490 basl_fill_gas(&fadt.SleepControl, ACPI_ADR_SPACE_SYSTEM_IO, 8, 0,
491 ACPI_GAS_ACCESS_WIDTH_BYTE, 0);
492 basl_fill_gas(&fadt.SleepStatus, ACPI_ADR_SPACE_SYSTEM_IO, 8, 0,
493 ACPI_GAS_ACCESS_WIDTH_BYTE, 0);
494 BASL_EXEC(basl_table_append_content(table, &fadt, sizeof(fadt)));
495
496 BASL_EXEC(basl_table_add_pointer(table, ACPI_SIG_FACS,
497 offsetof(ACPI_TABLE_FADT, Facs), sizeof(fadt.Facs)));
498 BASL_EXEC(basl_table_add_pointer(table, ACPI_SIG_DSDT,
499 offsetof(ACPI_TABLE_FADT, Dsdt), sizeof(fadt.Dsdt)));
500 BASL_EXEC(basl_table_add_pointer(table, ACPI_SIG_FACS,
501 offsetof(ACPI_TABLE_FADT, XFacs), sizeof(fadt.XFacs)));
502 BASL_EXEC(basl_table_add_pointer(table, ACPI_SIG_DSDT,
503 offsetof(ACPI_TABLE_FADT, XDsdt), sizeof(fadt.XDsdt)));
504
505 BASL_EXEC(basl_table_append_pointer(rsdt, ACPI_SIG_FADT,
506 ACPI_RSDT_ENTRY_SIZE));
507 BASL_EXEC(basl_table_append_pointer(xsdt, ACPI_SIG_FADT,
508 ACPI_XSDT_ENTRY_SIZE));
509
510 return (0);
511 }
512
513 static int
514 build_hpet(struct vmctx *const ctx)
515 {
516 ACPI_TABLE_HPET hpet;
517 struct basl_table *table;
518
519 BASL_EXEC(basl_table_create(&table, ctx, ACPI_SIG_HPET,
520 BASL_TABLE_ALIGNMENT));
521
522 memset(&hpet, 0, sizeof(hpet));
523 BASL_EXEC(basl_table_append_header(table, ACPI_SIG_HPET, 1, 1));
524 hpet.Id = htole32(hpet_capabilities);
525 basl_fill_gas(&hpet.Address, ACPI_ADR_SPACE_SYSTEM_MEMORY, 0, 0,
526 ACPI_GAS_ACCESS_WIDTH_LEGACY, BHYVE_ADDRESS_HPET);
527 hpet.Flags = ACPI_HPET_PAGE_PROTECT4;
528 BASL_EXEC(basl_table_append_content(table, &hpet, sizeof(hpet)));
529
530 BASL_EXEC(basl_table_append_pointer(rsdt, ACPI_SIG_HPET,
531 ACPI_RSDT_ENTRY_SIZE));
532 BASL_EXEC(basl_table_append_pointer(xsdt, ACPI_SIG_HPET,
533 ACPI_XSDT_ENTRY_SIZE));
534
535 return (0);
536 }
537
538 static int
539 build_madt(struct vmctx *const ctx)
540 {
541 ACPI_TABLE_MADT madt;
542 ACPI_MADT_LOCAL_APIC madt_lapic;
543 ACPI_MADT_IO_APIC madt_ioapic;
544 ACPI_MADT_INTERRUPT_OVERRIDE madt_irq_override;
545 ACPI_MADT_LOCAL_APIC_NMI madt_lapic_nmi;
546 struct basl_table *table;
547
548 BASL_EXEC(basl_table_create(&table, ctx, ACPI_SIG_MADT,
549 BASL_TABLE_ALIGNMENT));
550
551 memset(&madt, 0, sizeof(madt));
552 BASL_EXEC(basl_table_append_header(table, ACPI_SIG_MADT, 1, 1));
553 madt.Address = htole32(BHYVE_ADDRESS_LAPIC);
554 madt.Flags = htole32(ACPI_MADT_PCAT_COMPAT);
555 BASL_EXEC(basl_table_append_content(table, &madt, sizeof(madt)));
556
557 /* Local APIC for each CPU */
558 for (int i = 0; i < basl_ncpu; ++i) {
559 memset(&madt_lapic, 0, sizeof(madt_lapic));
560 madt_lapic.Header.Type = ACPI_MADT_TYPE_LOCAL_APIC;
561 madt_lapic.Header.Length = sizeof(madt_lapic);
562 madt_lapic.ProcessorId = i;
563 madt_lapic.Id = i;
564 madt_lapic.LapicFlags = htole32(ACPI_MADT_ENABLED);
565 BASL_EXEC(basl_table_append_bytes(table, &madt_lapic,
566 sizeof(madt_lapic)));
567 }
568
569 /* I/O APIC */
570 memset(&madt_ioapic, 0, sizeof(madt_ioapic));
571 madt_ioapic.Header.Type = ACPI_MADT_TYPE_IO_APIC;
572 madt_ioapic.Header.Length = sizeof(madt_ioapic);
573 madt_ioapic.Address = htole32(BHYVE_ADDRESS_IOAPIC);
574 BASL_EXEC(
575 basl_table_append_bytes(table, &madt_ioapic, sizeof(madt_ioapic)));
576
577 /* Legacy IRQ0 is connected to pin 2 of the I/O APIC */
578 memset(&madt_irq_override, 0, sizeof(madt_irq_override));
579 madt_irq_override.Header.Type = ACPI_MADT_TYPE_INTERRUPT_OVERRIDE;
580 madt_irq_override.Header.Length = sizeof(madt_irq_override);
581 madt_irq_override.GlobalIrq = htole32(2);
582 madt_irq_override.IntiFlags = htole16(
583 ACPI_MADT_POLARITY_ACTIVE_HIGH | ACPI_MADT_TRIGGER_EDGE);
584 BASL_EXEC(basl_table_append_bytes(table, &madt_irq_override,
585 sizeof(madt_irq_override)));
586
587 memset(&madt_irq_override, 0, sizeof(madt_irq_override));
588 madt_irq_override.Header.Type = ACPI_MADT_TYPE_INTERRUPT_OVERRIDE;
589 madt_irq_override.Header.Length = sizeof(madt_irq_override);
590 madt_irq_override.SourceIrq = SCI_INT;
591 madt_irq_override.GlobalIrq = htole32(SCI_INT);
592 madt_irq_override.IntiFlags = htole16(
593 ACPI_MADT_POLARITY_ACTIVE_LOW | ACPI_MADT_TRIGGER_LEVEL);
594 BASL_EXEC(basl_table_append_bytes(table, &madt_irq_override,
595 sizeof(madt_irq_override)));
596
597 /* Local APIC NMI is conntected to LINT 1 on all CPUs */
598 memset(&madt_lapic_nmi, 0, sizeof(madt_lapic_nmi));
599 madt_lapic_nmi.Header.Type = ACPI_MADT_TYPE_LOCAL_APIC_NMI;
600 madt_lapic_nmi.Header.Length = sizeof(madt_lapic_nmi);
601 madt_lapic_nmi.ProcessorId = 0xFF;
602 madt_lapic_nmi.IntiFlags = htole16(
603 ACPI_MADT_POLARITY_ACTIVE_HIGH | ACPI_MADT_TRIGGER_EDGE);
604 madt_lapic_nmi.Lint = 1;
605 BASL_EXEC(basl_table_append_bytes(table, &madt_lapic_nmi,
606 sizeof(madt_lapic_nmi)));
607
608 BASL_EXEC(basl_table_append_pointer(rsdt, ACPI_SIG_MADT,
609 ACPI_RSDT_ENTRY_SIZE));
610 BASL_EXEC(basl_table_append_pointer(xsdt, ACPI_SIG_MADT,
611 ACPI_XSDT_ENTRY_SIZE));
612
613 return (0);
614 }
615
616 static int
617 build_mcfg(struct vmctx *const ctx)
618 {
619 ACPI_TABLE_MCFG mcfg;
620 ACPI_MCFG_ALLOCATION mcfg_allocation;
621 struct basl_table *table;
622
623 BASL_EXEC(basl_table_create(&table, ctx, ACPI_SIG_MCFG,
624 BASL_TABLE_ALIGNMENT));
625
626 memset(&mcfg, 0, sizeof(mcfg));
627 BASL_EXEC(basl_table_append_header(table, ACPI_SIG_MCFG, 1, 1));
628 BASL_EXEC(basl_table_append_content(table, &mcfg, sizeof(mcfg)));
629
630 memset(&mcfg_allocation, 0, sizeof(mcfg_allocation));
631 mcfg_allocation.Address = htole64(pci_ecfg_base());
632 mcfg_allocation.EndBusNumber = 0xFF;
633 BASL_EXEC(basl_table_append_bytes(table, &mcfg_allocation,
634 sizeof(mcfg_allocation)));
635
636 BASL_EXEC(basl_table_append_pointer(rsdt, ACPI_SIG_MCFG,
637 ACPI_RSDT_ENTRY_SIZE));
638 BASL_EXEC(basl_table_append_pointer(xsdt, ACPI_SIG_MCFG,
639 ACPI_XSDT_ENTRY_SIZE));
640
641 return (0);
642 }
643
644 static int
645 build_rsdp(struct vmctx *const ctx)
646 {
647 ACPI_TABLE_RSDP rsdp;
648 struct basl_table *table;
649
650 BASL_EXEC(basl_table_create(&table, ctx, ACPI_RSDP_NAME,
651 BASL_TABLE_ALIGNMENT));
652
653 memset(&rsdp, 0, sizeof(rsdp));
654 memcpy(rsdp.Signature, ACPI_SIG_RSDP, 8);
655 rsdp.Checksum = 0; /* patched by basl */
656 memcpy(rsdp.OemId, "BHYVE ", ACPI_OEM_ID_SIZE);
657 rsdp.Revision = 2;
658 rsdp.RsdtPhysicalAddress = htole32(0); /* patched by basl */
659 rsdp.Length = htole32(0); /* patched by basl */
660 rsdp.XsdtPhysicalAddress = htole64(0); /* patched by basl */
661 rsdp.ExtendedChecksum = 0; /* patched by basl */
662 BASL_EXEC(basl_table_append_bytes(table, &rsdp, sizeof(rsdp)));
663
664 BASL_EXEC(basl_table_add_checksum(table,
665 offsetof(ACPI_TABLE_RSDP, Checksum), 0, 20));
666 BASL_EXEC(basl_table_add_pointer(table, ACPI_SIG_RSDT,
667 offsetof(ACPI_TABLE_RSDP, RsdtPhysicalAddress),
668 sizeof(rsdp.RsdtPhysicalAddress)));
669 BASL_EXEC(basl_table_add_length(table,
670 offsetof(ACPI_TABLE_RSDP, Length), sizeof(rsdp.Length)));
671 BASL_EXEC(basl_table_add_pointer(table, ACPI_SIG_XSDT,
672 offsetof(ACPI_TABLE_RSDP, XsdtPhysicalAddress),
673 sizeof(rsdp.XsdtPhysicalAddress)));
674 BASL_EXEC(basl_table_add_checksum(table,
675 offsetof(ACPI_TABLE_RSDP, ExtendedChecksum), 0,
676 BASL_TABLE_CHECKSUM_LEN_FULL_TABLE));
677
678 return (0);
679 }
680
681 static int
682 build_rsdt(struct vmctx *const ctx)
683 {
684 BASL_EXEC(
685 basl_table_create(&rsdt, ctx, ACPI_SIG_RSDT, BASL_TABLE_ALIGNMENT));
686
687 /* Header */
688 BASL_EXEC(basl_table_append_header(rsdt, ACPI_SIG_RSDT, 1, 1));
689 /* Pointers (added by other build_XXX funcs) */
690
691 return (0);
692 }
693
694 static int
695 build_spcr(struct vmctx *const ctx)
696 {
697 ACPI_TABLE_SPCR spcr;
698 struct basl_table *table;
699
700 BASL_EXEC(basl_table_create(&table, ctx, ACPI_SIG_SPCR,
701 BASL_TABLE_ALIGNMENT));
702
703 memset(&spcr, 0, sizeof(spcr));
704 BASL_EXEC(basl_table_append_header(table, ACPI_SIG_SPCR, 1, 1));
705 spcr.InterfaceType = ACPI_DBG2_16550_COMPATIBLE;
706 basl_fill_gas(&spcr.SerialPort, ACPI_ADR_SPACE_SYSTEM_IO, 8, 0,
707 ACPI_GAS_ACCESS_WIDTH_LEGACY, 0x3F8);
708 spcr.InterruptType = ACPI_SPCR_INTERRUPT_TYPE_8259;
709 spcr.PcInterrupt = 4;
710 spcr.BaudRate = ACPI_SPCR_BAUD_RATE_115200;
711 spcr.Parity = ACPI_SPCR_PARITY_NO_PARITY;
712 spcr.StopBits = ACPI_SPCR_STOP_BITS_1;
713 spcr.FlowControl = 3; /* RTS/CTS | DCD */
714 spcr.TerminalType = ACPI_SPCR_TERMINAL_TYPE_VT_UTF8;
715 BASL_EXEC(basl_table_append_content(table, &spcr, sizeof(spcr)));
716
717 BASL_EXEC(basl_table_append_pointer(rsdt, ACPI_SIG_SPCR,
718 ACPI_RSDT_ENTRY_SIZE));
719 BASL_EXEC(basl_table_append_pointer(xsdt, ACPI_SIG_SPCR,
720 ACPI_XSDT_ENTRY_SIZE));
721
722 return (0);
723 }
724
725 static int
726 build_xsdt(struct vmctx *const ctx)
727 {
728 BASL_EXEC(
729 basl_table_create(&xsdt, ctx, ACPI_SIG_XSDT, BASL_TABLE_ALIGNMENT));
730
731 /* Header */
732 BASL_EXEC(basl_table_append_header(xsdt, ACPI_SIG_XSDT, 1, 1));
733 /* Pointers (added by other build_XXX funcs) */
734
735 return (0);
736 }
737
738 int
739 acpi_build(struct vmctx *ctx, int ncpu)
740 {
741 int err;
742
743 basl_ncpu = ncpu;
744
745 err = vm_get_hpet_capabilities(ctx, &hpet_capabilities);
746 if (err != 0)
747 return (err);
748
749 /*
750 * For debug, allow the user to have iasl compiler output sent
751 * to stdout rather than /dev/null
752 */
753 if (getenv("BHYVE_ACPI_VERBOSE_IASL"))
754 basl_verbose_iasl = 1;
755
756 /*
757 * Allow the user to keep the generated ASL files for debugging
758 * instead of deleting them following use
759 */
760 if (getenv("BHYVE_ACPI_KEEPTMPS"))
761 basl_keep_temps = 1;
762
763 BASL_EXEC(basl_init());
764
765 BASL_EXEC(basl_make_templates());
766
767 /*
768 * Generate ACPI tables and copy them into guest memory.
769 *
770 * According to UEFI Specification v6.3 chapter 5.1 the FADT should be
771 * the first table pointed to by XSDT. For that reason, build it as the
772 * first table after XSDT.
773 */
774 BASL_EXEC(build_rsdp(ctx));
775 BASL_EXEC(build_rsdt(ctx));
776 BASL_EXEC(build_xsdt(ctx));
777 BASL_EXEC(build_fadt(ctx));
778 BASL_EXEC(build_madt(ctx));
779 BASL_EXEC(build_hpet(ctx));
780 BASL_EXEC(build_mcfg(ctx));
781 BASL_EXEC(build_facs(ctx));
782 BASL_EXEC(build_spcr(ctx));
783 BASL_EXEC(build_dsdt(ctx));
784
785 BASL_EXEC(basl_finish());
786
787 return (0);
788 }
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