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authorLinus Torvalds <torvalds@linux-foundation.org>2010-03-14 23:29:21 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2010-03-14 23:29:21 -0400
commita3d3203e4bb40f253b1541e310dc0f9305be7c84 (patch)
treeac0d74a607493053da92244a6763e503c5904f4f /drivers/acpi/processor_core.c
parentf937331b3f92cb2f67bc81baa1b8cc5198c439e5 (diff)
parentec28dcc6b4c00b78ad269ad5b85ebd5c2d504825 (diff)
Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (34 commits) ACPI: processor: push file static MADT pointer into internal map_madt_entry() ACPI: processor: refactor internal map_lsapic_id() ACPI: processor: refactor internal map_x2apic_id() ACPI: processor: refactor internal map_lapic_id() ACPI: processor: driver doesn't need to evaluate _PDC ACPI: processor: remove early _PDC optin quirks ACPI: processor: add internal processor_physically_present() ACPI: processor: move acpi_get_cpuid into processor_core.c ACPI: processor: export acpi_get_cpuid() ACPI: processor: mv processor_pdc.c processor_core.c ACPI: processor: mv processor_core.c processor_driver.c ACPI: plan to delete "acpi=ht" boot option ACPI: remove "acpi=ht" DMI blacklist PNPACPI: add bus number support PNPACPI: add window support resource: add window support resource: add bus number support resource: expand IORESOURCE_TYPE_BITS to make room for bus resource type acpiphp: Execute ACPI _REG method for hotadded devices ACPI video: Be more liberal in validating _BQC behaviour ...
Diffstat (limited to 'drivers/acpi/processor_core.c')
-rw-r--r--drivers/acpi/processor_core.c1118
1 files changed, 165 insertions, 953 deletions
diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c
index e9b7b402dbfb..791ac7b0f8df 100644
--- a/drivers/acpi/processor_core.c
+++ b/drivers/acpi/processor_core.c
@@ -1,383 +1,62 @@
1/* 1/*
2 * acpi_processor.c - ACPI Processor Driver ($Revision: 71 $) 2 * Copyright (C) 2005 Intel Corporation
3 * Copyright (C) 2009 Hewlett-Packard Development Company, L.P.
3 * 4 *
4 * Copyright (C) 2001, 2002 Andy Grover <andrew.grover@intel.com> 5 * Alex Chiang <achiang@hp.com>
5 * Copyright (C) 2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com> 6 * - Unified x86/ia64 implementations
6 * Copyright (C) 2004 Dominik Brodowski <linux@brodo.de> 7 * Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
7 * Copyright (C) 2004 Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com> 8 * - Added _PDC for platforms with Intel CPUs
8 * - Added processor hotplug support
9 *
10 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
11 *
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2 of the License, or (at
15 * your option) any later version.
16 *
17 * This program is distributed in the hope that it will be useful, but
18 * WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 * General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License along
23 * with this program; if not, write to the Free Software Foundation, Inc.,
24 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
25 *
26 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
27 * TBD:
28 * 1. Make # power states dynamic.
29 * 2. Support duty_cycle values that span bit 4.
30 * 3. Optimize by having scheduler determine business instead of
31 * having us try to calculate it here.
32 * 4. Need C1 timing -- must modify kernel (IRQ handler) to get this.
33 */ 9 */
34
35#include <linux/kernel.h>
36#include <linux/module.h>
37#include <linux/init.h>
38#include <linux/types.h>
39#include <linux/pci.h>
40#include <linux/pm.h>
41#include <linux/cpufreq.h>
42#include <linux/cpu.h>
43#include <linux/proc_fs.h>
44#include <linux/seq_file.h>
45#include <linux/dmi.h> 10#include <linux/dmi.h>
46#include <linux/moduleparam.h>
47#include <linux/cpuidle.h>
48 11
49#include <asm/io.h>
50#include <asm/system.h>
51#include <asm/cpu.h>
52#include <asm/delay.h>
53#include <asm/uaccess.h>
54#include <asm/processor.h>
55#include <asm/smp.h>
56#include <asm/acpi.h>
57
58#include <acpi/acpi_bus.h>
59#include <acpi/acpi_drivers.h> 12#include <acpi/acpi_drivers.h>
60#include <acpi/processor.h> 13#include <acpi/processor.h>
61 14
62#define PREFIX "ACPI: " 15#include "internal.h"
63
64#define ACPI_PROCESSOR_CLASS "processor"
65#define ACPI_PROCESSOR_DEVICE_NAME "Processor"
66#define ACPI_PROCESSOR_FILE_INFO "info"
67#define ACPI_PROCESSOR_FILE_THROTTLING "throttling"
68#define ACPI_PROCESSOR_FILE_LIMIT "limit"
69#define ACPI_PROCESSOR_NOTIFY_PERFORMANCE 0x80
70#define ACPI_PROCESSOR_NOTIFY_POWER 0x81
71#define ACPI_PROCESSOR_NOTIFY_THROTTLING 0x82
72
73#define ACPI_PROCESSOR_LIMIT_USER 0
74#define ACPI_PROCESSOR_LIMIT_THERMAL 1
75 16
17#define PREFIX "ACPI: "
76#define _COMPONENT ACPI_PROCESSOR_COMPONENT 18#define _COMPONENT ACPI_PROCESSOR_COMPONENT
77ACPI_MODULE_NAME("processor_core"); 19ACPI_MODULE_NAME("processor_core");
78 20
79MODULE_AUTHOR("Paul Diefenbaugh"); 21static int set_no_mwait(const struct dmi_system_id *id)
80MODULE_DESCRIPTION("ACPI Processor Driver");
81MODULE_LICENSE("GPL");
82
83static int acpi_processor_add(struct acpi_device *device);
84static int acpi_processor_remove(struct acpi_device *device, int type);
85#ifdef CONFIG_ACPI_PROCFS
86static int acpi_processor_info_open_fs(struct inode *inode, struct file *file);
87#endif
88static void acpi_processor_notify(struct acpi_device *device, u32 event);
89static acpi_status acpi_processor_hotadd_init(acpi_handle handle, int *p_cpu);
90static int acpi_processor_handle_eject(struct acpi_processor *pr);
91
92
93static const struct acpi_device_id processor_device_ids[] = {
94 {ACPI_PROCESSOR_OBJECT_HID, 0},
95 {"ACPI0007", 0},
96 {"", 0},
97};
98MODULE_DEVICE_TABLE(acpi, processor_device_ids);
99
100static struct acpi_driver acpi_processor_driver = {
101 .name = "processor",
102 .class = ACPI_PROCESSOR_CLASS,
103 .ids = processor_device_ids,
104 .ops = {
105 .add = acpi_processor_add,
106 .remove = acpi_processor_remove,
107 .suspend = acpi_processor_suspend,
108 .resume = acpi_processor_resume,
109 .notify = acpi_processor_notify,
110 },
111};
112
113#define INSTALL_NOTIFY_HANDLER 1
114#define UNINSTALL_NOTIFY_HANDLER 2
115#ifdef CONFIG_ACPI_PROCFS
116static const struct file_operations acpi_processor_info_fops = {
117 .owner = THIS_MODULE,
118 .open = acpi_processor_info_open_fs,
119 .read = seq_read,
120 .llseek = seq_lseek,
121 .release = single_release,
122};
123#endif
124
125DEFINE_PER_CPU(struct acpi_processor *, processors);
126EXPORT_PER_CPU_SYMBOL(processors);
127
128struct acpi_processor_errata errata __read_mostly;
129
130/* --------------------------------------------------------------------------
131 Errata Handling
132 -------------------------------------------------------------------------- */
133
134static int acpi_processor_errata_piix4(struct pci_dev *dev)
135{ 22{
136 u8 value1 = 0; 23 printk(KERN_NOTICE PREFIX "%s detected - "
137 u8 value2 = 0; 24 "disabling mwait for CPU C-states\n", id->ident);
138 25 idle_nomwait = 1;
139
140 if (!dev)
141 return -EINVAL;
142
143 /*
144 * Note that 'dev' references the PIIX4 ACPI Controller.
145 */
146
147 switch (dev->revision) {
148 case 0:
149 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found PIIX4 A-step\n"));
150 break;
151 case 1:
152 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found PIIX4 B-step\n"));
153 break;
154 case 2:
155 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found PIIX4E\n"));
156 break;
157 case 3:
158 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found PIIX4M\n"));
159 break;
160 default:
161 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found unknown PIIX4\n"));
162 break;
163 }
164
165 switch (dev->revision) {
166
167 case 0: /* PIIX4 A-step */
168 case 1: /* PIIX4 B-step */
169 /*
170 * See specification changes #13 ("Manual Throttle Duty Cycle")
171 * and #14 ("Enabling and Disabling Manual Throttle"), plus
172 * erratum #5 ("STPCLK# Deassertion Time") from the January
173 * 2002 PIIX4 specification update. Applies to only older
174 * PIIX4 models.
175 */
176 errata.piix4.throttle = 1;
177
178 case 2: /* PIIX4E */
179 case 3: /* PIIX4M */
180 /*
181 * See erratum #18 ("C3 Power State/BMIDE and Type-F DMA
182 * Livelock") from the January 2002 PIIX4 specification update.
183 * Applies to all PIIX4 models.
184 */
185
186 /*
187 * BM-IDE
188 * ------
189 * Find the PIIX4 IDE Controller and get the Bus Master IDE
190 * Status register address. We'll use this later to read
191 * each IDE controller's DMA status to make sure we catch all
192 * DMA activity.
193 */
194 dev = pci_get_subsys(PCI_VENDOR_ID_INTEL,
195 PCI_DEVICE_ID_INTEL_82371AB,
196 PCI_ANY_ID, PCI_ANY_ID, NULL);
197 if (dev) {
198 errata.piix4.bmisx = pci_resource_start(dev, 4);
199 pci_dev_put(dev);
200 }
201
202 /*
203 * Type-F DMA
204 * ----------
205 * Find the PIIX4 ISA Controller and read the Motherboard
206 * DMA controller's status to see if Type-F (Fast) DMA mode
207 * is enabled (bit 7) on either channel. Note that we'll
208 * disable C3 support if this is enabled, as some legacy
209 * devices won't operate well if fast DMA is disabled.
210 */
211 dev = pci_get_subsys(PCI_VENDOR_ID_INTEL,
212 PCI_DEVICE_ID_INTEL_82371AB_0,
213 PCI_ANY_ID, PCI_ANY_ID, NULL);
214 if (dev) {
215 pci_read_config_byte(dev, 0x76, &value1);
216 pci_read_config_byte(dev, 0x77, &value2);
217 if ((value1 & 0x80) || (value2 & 0x80))
218 errata.piix4.fdma = 1;
219 pci_dev_put(dev);
220 }
221
222 break;
223 }
224
225 if (errata.piix4.bmisx)
226 ACPI_DEBUG_PRINT((ACPI_DB_INFO,
227 "Bus master activity detection (BM-IDE) erratum enabled\n"));
228 if (errata.piix4.fdma)
229 ACPI_DEBUG_PRINT((ACPI_DB_INFO,
230 "Type-F DMA livelock erratum (C3 disabled)\n"));
231
232 return 0; 26 return 0;
233} 27}
234 28
235static int acpi_processor_errata(struct acpi_processor *pr) 29static struct dmi_system_id __cpuinitdata processor_idle_dmi_table[] = {
236{ 30 {
237 int result = 0; 31 set_no_mwait, "IFL91 board", {
238 struct pci_dev *dev = NULL; 32 DMI_MATCH(DMI_BIOS_VENDOR, "COMPAL"),
239 33 DMI_MATCH(DMI_SYS_VENDOR, "ZEPTO"),
240 34 DMI_MATCH(DMI_PRODUCT_VERSION, "3215W"),
241 if (!pr) 35 DMI_MATCH(DMI_BOARD_NAME, "IFL91") }, NULL},
242 return -EINVAL; 36 {
243 37 set_no_mwait, "Extensa 5220", {
244 /* 38 DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies LTD"),
245 * PIIX4 39 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
246 */ 40 DMI_MATCH(DMI_PRODUCT_VERSION, "0100"),
247 dev = pci_get_subsys(PCI_VENDOR_ID_INTEL, 41 DMI_MATCH(DMI_BOARD_NAME, "Columbia") }, NULL},
248 PCI_DEVICE_ID_INTEL_82371AB_3, PCI_ANY_ID, 42 {},
249 PCI_ANY_ID, NULL); 43};
250 if (dev) {
251 result = acpi_processor_errata_piix4(dev);
252 pci_dev_put(dev);
253 }
254
255 return result;
256}
257
258/* --------------------------------------------------------------------------
259 FS Interface (/proc)
260 -------------------------------------------------------------------------- */
261
262#ifdef CONFIG_ACPI_PROCFS
263static struct proc_dir_entry *acpi_processor_dir = NULL;
264
265static int acpi_processor_info_seq_show(struct seq_file *seq, void *offset)
266{
267 struct acpi_processor *pr = seq->private;
268
269
270 if (!pr)
271 goto end;
272
273 seq_printf(seq, "processor id: %d\n"
274 "acpi id: %d\n"
275 "bus mastering control: %s\n"
276 "power management: %s\n"
277 "throttling control: %s\n"
278 "limit interface: %s\n",
279 pr->id,
280 pr->acpi_id,
281 pr->flags.bm_control ? "yes" : "no",
282 pr->flags.power ? "yes" : "no",
283 pr->flags.throttling ? "yes" : "no",
284 pr->flags.limit ? "yes" : "no");
285
286 end:
287 return 0;
288}
289
290static int acpi_processor_info_open_fs(struct inode *inode, struct file *file)
291{
292 return single_open(file, acpi_processor_info_seq_show,
293 PDE(inode)->data);
294}
295
296static int __cpuinit acpi_processor_add_fs(struct acpi_device *device)
297{
298 struct proc_dir_entry *entry = NULL;
299
300
301 if (!acpi_device_dir(device)) {
302 acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device),
303 acpi_processor_dir);
304 if (!acpi_device_dir(device))
305 return -ENODEV;
306 }
307
308 /* 'info' [R] */
309 entry = proc_create_data(ACPI_PROCESSOR_FILE_INFO,
310 S_IRUGO, acpi_device_dir(device),
311 &acpi_processor_info_fops,
312 acpi_driver_data(device));
313 if (!entry)
314 return -EIO;
315
316 /* 'throttling' [R/W] */
317 entry = proc_create_data(ACPI_PROCESSOR_FILE_THROTTLING,
318 S_IFREG | S_IRUGO | S_IWUSR,
319 acpi_device_dir(device),
320 &acpi_processor_throttling_fops,
321 acpi_driver_data(device));
322 if (!entry)
323 return -EIO;
324
325 /* 'limit' [R/W] */
326 entry = proc_create_data(ACPI_PROCESSOR_FILE_LIMIT,
327 S_IFREG | S_IRUGO | S_IWUSR,
328 acpi_device_dir(device),
329 &acpi_processor_limit_fops,
330 acpi_driver_data(device));
331 if (!entry)
332 return -EIO;
333 return 0;
334}
335static int acpi_processor_remove_fs(struct acpi_device *device)
336{
337
338 if (acpi_device_dir(device)) {
339 remove_proc_entry(ACPI_PROCESSOR_FILE_INFO,
340 acpi_device_dir(device));
341 remove_proc_entry(ACPI_PROCESSOR_FILE_THROTTLING,
342 acpi_device_dir(device));
343 remove_proc_entry(ACPI_PROCESSOR_FILE_LIMIT,
344 acpi_device_dir(device));
345 remove_proc_entry(acpi_device_bid(device), acpi_processor_dir);
346 acpi_device_dir(device) = NULL;
347 }
348
349 return 0;
350}
351#else
352static inline int acpi_processor_add_fs(struct acpi_device *device)
353{
354 return 0;
355}
356static inline int acpi_processor_remove_fs(struct acpi_device *device)
357{
358 return 0;
359}
360#endif
361
362/* Use the acpiid in MADT to map cpus in case of SMP */
363
364#ifndef CONFIG_SMP
365static int get_cpu_id(acpi_handle handle, int type, u32 acpi_id) { return -1; }
366#else
367
368static struct acpi_table_madt *madt;
369 44
45#ifdef CONFIG_SMP
370static int map_lapic_id(struct acpi_subtable_header *entry, 46static int map_lapic_id(struct acpi_subtable_header *entry,
371 u32 acpi_id, int *apic_id) 47 u32 acpi_id, int *apic_id)
372{ 48{
373 struct acpi_madt_local_apic *lapic = 49 struct acpi_madt_local_apic *lapic =
374 (struct acpi_madt_local_apic *)entry; 50 (struct acpi_madt_local_apic *)entry;
375 if ((lapic->lapic_flags & ACPI_MADT_ENABLED) && 51
376 lapic->processor_id == acpi_id) { 52 if (!(lapic->lapic_flags & ACPI_MADT_ENABLED))
377 *apic_id = lapic->id; 53 return 0;
378 return 1; 54
379 } 55 if (lapic->processor_id != acpi_id)
380 return 0; 56 return 0;
57
58 *apic_id = lapic->id;
59 return 1;
381} 60}
382 61
383static int map_x2apic_id(struct acpi_subtable_header *entry, 62static int map_x2apic_id(struct acpi_subtable_header *entry,
@@ -385,22 +64,16 @@ static int map_x2apic_id(struct acpi_subtable_header *entry,
385{ 64{
386 struct acpi_madt_local_x2apic *apic = 65 struct acpi_madt_local_x2apic *apic =
387 (struct acpi_madt_local_x2apic *)entry; 66 (struct acpi_madt_local_x2apic *)entry;
388 u32 tmp = apic->local_apic_id;
389 67
390 /* Only check enabled APICs*/
391 if (!(apic->lapic_flags & ACPI_MADT_ENABLED)) 68 if (!(apic->lapic_flags & ACPI_MADT_ENABLED))
392 return 0; 69 return 0;
393 70
394 /* Device statement declaration type */ 71 if (device_declaration && (apic->uid == acpi_id)) {
395 if (device_declaration) { 72 *apic_id = apic->local_apic_id;
396 if (apic->uid == acpi_id) 73 return 1;
397 goto found;
398 } 74 }
399 75
400 return 0; 76 return 0;
401found:
402 *apic_id = tmp;
403 return 1;
404} 77}
405 78
406static int map_lsapic_id(struct acpi_subtable_header *entry, 79static int map_lsapic_id(struct acpi_subtable_header *entry,
@@ -408,35 +81,34 @@ static int map_lsapic_id(struct acpi_subtable_header *entry,
408{ 81{
409 struct acpi_madt_local_sapic *lsapic = 82 struct acpi_madt_local_sapic *lsapic =
410 (struct acpi_madt_local_sapic *)entry; 83 (struct acpi_madt_local_sapic *)entry;
411 u32 tmp = (lsapic->id << 8) | lsapic->eid;
412 84
413 /* Only check enabled APICs*/
414 if (!(lsapic->lapic_flags & ACPI_MADT_ENABLED)) 85 if (!(lsapic->lapic_flags & ACPI_MADT_ENABLED))
415 return 0; 86 return 0;
416 87
417 /* Device statement declaration type */
418 if (device_declaration) { 88 if (device_declaration) {
419 if (entry->length < 16) 89 if ((entry->length < 16) || (lsapic->uid != acpi_id))
420 printk(KERN_ERR PREFIX 90 return 0;
421 "Invalid LSAPIC with Device type processor (SAPIC ID %#x)\n", 91 } else if (lsapic->processor_id != acpi_id)
422 tmp); 92 return 0;
423 else if (lsapic->uid == acpi_id)
424 goto found;
425 /* Processor statement declaration type */
426 } else if (lsapic->processor_id == acpi_id)
427 goto found;
428 93
429 return 0; 94 *apic_id = (lsapic->id << 8) | lsapic->eid;
430found:
431 *apic_id = tmp;
432 return 1; 95 return 1;
433} 96}
434 97
435static int map_madt_entry(int type, u32 acpi_id) 98static int map_madt_entry(int type, u32 acpi_id)
436{ 99{
437 unsigned long madt_end, entry; 100 unsigned long madt_end, entry;
101 static struct acpi_table_madt *madt;
102 static int read_madt;
438 int apic_id = -1; 103 int apic_id = -1;
439 104
105 if (!read_madt) {
106 if (ACPI_FAILURE(acpi_get_table(ACPI_SIG_MADT, 0,
107 (struct acpi_table_header **)&madt)))
108 madt = NULL;
109 read_madt++;
110 }
111
440 if (!madt) 112 if (!madt)
441 return apic_id; 113 return apic_id;
442 114
@@ -496,7 +168,7 @@ exit:
496 return apic_id; 168 return apic_id;
497} 169}
498 170
499static int get_cpu_id(acpi_handle handle, int type, u32 acpi_id) 171int acpi_get_cpuid(acpi_handle handle, int type, u32 acpi_id)
500{ 172{
501 int i; 173 int i;
502 int apic_id = -1; 174 int apic_id = -1;
@@ -513,630 +185,170 @@ static int get_cpu_id(acpi_handle handle, int type, u32 acpi_id)
513 } 185 }
514 return -1; 186 return -1;
515} 187}
188EXPORT_SYMBOL_GPL(acpi_get_cpuid);
516#endif 189#endif
517 190
518/* -------------------------------------------------------------------------- 191static bool processor_physically_present(acpi_handle handle)
519 Driver Interface
520 -------------------------------------------------------------------------- */
521
522static int acpi_processor_get_info(struct acpi_device *device)
523{ 192{
524 acpi_status status = 0; 193 int cpuid, type;
194 u32 acpi_id;
195 acpi_status status;
196 acpi_object_type acpi_type;
197 unsigned long long tmp;
525 union acpi_object object = { 0 }; 198 union acpi_object object = { 0 };
526 struct acpi_buffer buffer = { sizeof(union acpi_object), &object }; 199 struct acpi_buffer buffer = { sizeof(union acpi_object), &object };
527 struct acpi_processor *pr;
528 int cpu_index, device_declaration = 0;
529 static int cpu0_initialized;
530
531 pr = acpi_driver_data(device);
532 if (!pr)
533 return -EINVAL;
534
535 if (num_online_cpus() > 1)
536 errata.smp = TRUE;
537
538 acpi_processor_errata(pr);
539
540 /*
541 * Check to see if we have bus mastering arbitration control. This
542 * is required for proper C3 usage (to maintain cache coherency).
543 */
544 if (acpi_gbl_FADT.pm2_control_block && acpi_gbl_FADT.pm2_control_length) {
545 pr->flags.bm_control = 1;
546 ACPI_DEBUG_PRINT((ACPI_DB_INFO,
547 "Bus mastering arbitration control present\n"));
548 } else
549 ACPI_DEBUG_PRINT((ACPI_DB_INFO,
550 "No bus mastering arbitration control\n"));
551
552 if (!strcmp(acpi_device_hid(device), ACPI_PROCESSOR_OBJECT_HID)) {
553 /* Declared with "Processor" statement; match ProcessorID */
554 status = acpi_evaluate_object(pr->handle, NULL, NULL, &buffer);
555 if (ACPI_FAILURE(status)) {
556 printk(KERN_ERR PREFIX "Evaluating processor object\n");
557 return -ENODEV;
558 }
559
560 /*
561 * TBD: Synch processor ID (via LAPIC/LSAPIC structures) on SMP.
562 * >>> 'acpi_get_processor_id(acpi_id, &id)' in
563 * arch/xxx/acpi.c
564 */
565 pr->acpi_id = object.processor.proc_id;
566 } else {
567 /*
568 * Declared with "Device" statement; match _UID.
569 * Note that we don't handle string _UIDs yet.
570 */
571 unsigned long long value;
572 status = acpi_evaluate_integer(pr->handle, METHOD_NAME__UID,
573 NULL, &value);
574 if (ACPI_FAILURE(status)) {
575 printk(KERN_ERR PREFIX
576 "Evaluating processor _UID [%#x]\n", status);
577 return -ENODEV;
578 }
579 device_declaration = 1;
580 pr->acpi_id = value;
581 }
582 cpu_index = get_cpu_id(pr->handle, device_declaration, pr->acpi_id);
583
584 /* Handle UP system running SMP kernel, with no LAPIC in MADT */
585 if (!cpu0_initialized && (cpu_index == -1) &&
586 (num_online_cpus() == 1)) {
587 cpu_index = 0;
588 }
589
590 cpu0_initialized = 1;
591
592 pr->id = cpu_index;
593
594 /*
595 * Extra Processor objects may be enumerated on MP systems with
596 * less than the max # of CPUs. They should be ignored _iff
597 * they are physically not present.
598 */
599 if (pr->id == -1) {
600 if (ACPI_FAILURE
601 (acpi_processor_hotadd_init(pr->handle, &pr->id))) {
602 return -ENODEV;
603 }
604 }
605 /*
606 * On some boxes several processors use the same processor bus id.
607 * But they are located in different scope. For example:
608 * \_SB.SCK0.CPU0
609 * \_SB.SCK1.CPU0
610 * Rename the processor device bus id. And the new bus id will be
611 * generated as the following format:
612 * CPU+CPU ID.
613 */
614 sprintf(acpi_device_bid(device), "CPU%X", pr->id);
615 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Processor [%d:%d]\n", pr->id,
616 pr->acpi_id));
617
618 if (!object.processor.pblk_address)
619 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No PBLK (NULL address)\n"));
620 else if (object.processor.pblk_length != 6)
621 printk(KERN_ERR PREFIX "Invalid PBLK length [%d]\n",
622 object.processor.pblk_length);
623 else {
624 pr->throttling.address = object.processor.pblk_address;
625 pr->throttling.duty_offset = acpi_gbl_FADT.duty_offset;
626 pr->throttling.duty_width = acpi_gbl_FADT.duty_width;
627
628 pr->pblk = object.processor.pblk_address;
629
630 /*
631 * We don't care about error returns - we just try to mark
632 * these reserved so that nobody else is confused into thinking
633 * that this region might be unused..
634 *
635 * (In particular, allocating the IO range for Cardbus)
636 */
637 request_region(pr->throttling.address, 6, "ACPI CPU throttle");
638 }
639
640 /*
641 * If ACPI describes a slot number for this CPU, we can use it
642 * ensure we get the right value in the "physical id" field
643 * of /proc/cpuinfo
644 */
645 status = acpi_evaluate_object(pr->handle, "_SUN", NULL, &buffer);
646 if (ACPI_SUCCESS(status))
647 arch_fix_phys_package_id(pr->id, object.integer.value);
648
649 return 0;
650}
651
652static DEFINE_PER_CPU(void *, processor_device_array);
653
654static void acpi_processor_notify(struct acpi_device *device, u32 event)
655{
656 struct acpi_processor *pr = acpi_driver_data(device);
657 int saved;
658
659 if (!pr)
660 return;
661 200
662 switch (event) { 201 status = acpi_get_type(handle, &acpi_type);
663 case ACPI_PROCESSOR_NOTIFY_PERFORMANCE: 202 if (ACPI_FAILURE(status))
664 saved = pr->performance_platform_limit; 203 return false;
665 acpi_processor_ppc_has_changed(pr, 1); 204
666 if (saved == pr->performance_platform_limit) 205 switch (acpi_type) {
667 break; 206 case ACPI_TYPE_PROCESSOR:
668 acpi_bus_generate_proc_event(device, event, 207 status = acpi_evaluate_object(handle, NULL, NULL, &buffer);
669 pr->performance_platform_limit); 208 if (ACPI_FAILURE(status))
670 acpi_bus_generate_netlink_event(device->pnp.device_class, 209 return false;
671 dev_name(&device->dev), event, 210 acpi_id = object.processor.proc_id;
672 pr->performance_platform_limit);
673 break; 211 break;
674 case ACPI_PROCESSOR_NOTIFY_POWER: 212 case ACPI_TYPE_DEVICE:
675 acpi_processor_cst_has_changed(pr); 213 status = acpi_evaluate_integer(handle, "_UID", NULL, &tmp);
676 acpi_bus_generate_proc_event(device, event, 0); 214 if (ACPI_FAILURE(status))
677 acpi_bus_generate_netlink_event(device->pnp.device_class, 215 return false;
678 dev_name(&device->dev), event, 0); 216 acpi_id = tmp;
679 break; 217 break;
680 case ACPI_PROCESSOR_NOTIFY_THROTTLING:
681 acpi_processor_tstate_has_changed(pr);
682 acpi_bus_generate_proc_event(device, event, 0);
683 acpi_bus_generate_netlink_event(device->pnp.device_class,
684 dev_name(&device->dev), event, 0);
685 default: 218 default:
686 ACPI_DEBUG_PRINT((ACPI_DB_INFO, 219 return false;
687 "Unsupported event [0x%x]\n", event));
688 break;
689 } 220 }
690 221
691 return; 222 type = (acpi_type == ACPI_TYPE_DEVICE) ? 1 : 0;
692} 223 cpuid = acpi_get_cpuid(handle, type, acpi_id);
693 224
694static int acpi_cpu_soft_notify(struct notifier_block *nfb, 225 if (cpuid == -1)
695 unsigned long action, void *hcpu) 226 return false;
696{
697 unsigned int cpu = (unsigned long)hcpu;
698 struct acpi_processor *pr = per_cpu(processors, cpu);
699 227
700 if (action == CPU_ONLINE && pr) { 228 return true;
701 acpi_processor_ppc_has_changed(pr, 0);
702 acpi_processor_cst_has_changed(pr);
703 acpi_processor_tstate_has_changed(pr);
704 }
705 return NOTIFY_OK;
706} 229}
707 230
708static struct notifier_block acpi_cpu_notifier = 231static void acpi_set_pdc_bits(u32 *buf)
709{ 232{
710 .notifier_call = acpi_cpu_soft_notify, 233 buf[0] = ACPI_PDC_REVISION_ID;
711}; 234 buf[1] = 1;
712
713static int __cpuinit acpi_processor_add(struct acpi_device *device)
714{
715 struct acpi_processor *pr = NULL;
716 int result = 0;
717 struct sys_device *sysdev;
718
719 pr = kzalloc(sizeof(struct acpi_processor), GFP_KERNEL);
720 if (!pr)
721 return -ENOMEM;
722
723 if (!zalloc_cpumask_var(&pr->throttling.shared_cpu_map, GFP_KERNEL)) {
724 kfree(pr);
725 return -ENOMEM;
726 }
727
728 pr->handle = device->handle;
729 strcpy(acpi_device_name(device), ACPI_PROCESSOR_DEVICE_NAME);
730 strcpy(acpi_device_class(device), ACPI_PROCESSOR_CLASS);
731 device->driver_data = pr;
732
733 result = acpi_processor_get_info(device);
734 if (result) {
735 /* Processor is physically not present */
736 return 0;
737 }
738
739 BUG_ON((pr->id >= nr_cpu_ids) || (pr->id < 0));
740
741 /*
742 * Buggy BIOS check
743 * ACPI id of processors can be reported wrongly by the BIOS.
744 * Don't trust it blindly
745 */
746 if (per_cpu(processor_device_array, pr->id) != NULL &&
747 per_cpu(processor_device_array, pr->id) != device) {
748 printk(KERN_WARNING "BIOS reported wrong ACPI id "
749 "for the processor\n");
750 result = -ENODEV;
751 goto err_free_cpumask;
752 }
753 per_cpu(processor_device_array, pr->id) = device;
754 235
755 per_cpu(processors, pr->id) = pr; 236 /* Enable coordination with firmware's _TSD info */
237 buf[2] = ACPI_PDC_SMP_T_SWCOORD;
756 238
757 result = acpi_processor_add_fs(device); 239 /* Twiddle arch-specific bits needed for _PDC */
758 if (result) 240 arch_acpi_set_pdc_bits(buf);
759 goto err_free_cpumask;
760
761 sysdev = get_cpu_sysdev(pr->id);
762 if (sysfs_create_link(&device->dev.kobj, &sysdev->kobj, "sysdev")) {
763 result = -EFAULT;
764 goto err_remove_fs;
765 }
766
767 /* _PDC call should be done before doing anything else (if reqd.). */
768 acpi_processor_set_pdc(pr->handle);
769
770#ifdef CONFIG_CPU_FREQ
771 acpi_processor_ppc_has_changed(pr, 0);
772#endif
773 acpi_processor_get_throttling_info(pr);
774 acpi_processor_get_limit_info(pr);
775
776
777 acpi_processor_power_init(pr, device);
778
779 pr->cdev = thermal_cooling_device_register("Processor", device,
780 &processor_cooling_ops);
781 if (IS_ERR(pr->cdev)) {
782 result = PTR_ERR(pr->cdev);
783 goto err_power_exit;
784 }
785
786 dev_dbg(&device->dev, "registered as cooling_device%d\n",
787 pr->cdev->id);
788
789 result = sysfs_create_link(&device->dev.kobj,
790 &pr->cdev->device.kobj,
791 "thermal_cooling");
792 if (result) {
793 printk(KERN_ERR PREFIX "Create sysfs link\n");
794 goto err_thermal_unregister;
795 }
796 result = sysfs_create_link(&pr->cdev->device.kobj,
797 &device->dev.kobj,
798 "device");
799 if (result) {
800 printk(KERN_ERR PREFIX "Create sysfs link\n");
801 goto err_remove_sysfs;
802 }
803
804 return 0;
805
806err_remove_sysfs:
807 sysfs_remove_link(&device->dev.kobj, "thermal_cooling");
808err_thermal_unregister:
809 thermal_cooling_device_unregister(pr->cdev);
810err_power_exit:
811 acpi_processor_power_exit(pr, device);
812err_remove_fs:
813 acpi_processor_remove_fs(device);
814err_free_cpumask:
815 free_cpumask_var(pr->throttling.shared_cpu_map);
816
817 return result;
818} 241}
819 242
820static int acpi_processor_remove(struct acpi_device *device, int type) 243static struct acpi_object_list *acpi_processor_alloc_pdc(void)
821{ 244{
822 struct acpi_processor *pr = NULL; 245 struct acpi_object_list *obj_list;
823 246 union acpi_object *obj;
824 247 u32 *buf;
825 if (!device || !acpi_driver_data(device))
826 return -EINVAL;
827
828 pr = acpi_driver_data(device);
829
830 if (pr->id >= nr_cpu_ids)
831 goto free;
832 248
833 if (type == ACPI_BUS_REMOVAL_EJECT) { 249 /* allocate and initialize pdc. It will be used later. */
834 if (acpi_processor_handle_eject(pr)) 250 obj_list = kmalloc(sizeof(struct acpi_object_list), GFP_KERNEL);
835 return -EINVAL; 251 if (!obj_list) {
252 printk(KERN_ERR "Memory allocation error\n");
253 return NULL;
836 } 254 }
837 255
838 acpi_processor_power_exit(pr, device); 256 obj = kmalloc(sizeof(union acpi_object), GFP_KERNEL);
839 257 if (!obj) {
840 sysfs_remove_link(&device->dev.kobj, "sysdev"); 258 printk(KERN_ERR "Memory allocation error\n");
841 259 kfree(obj_list);
842 acpi_processor_remove_fs(device); 260 return NULL;
843
844 if (pr->cdev) {
845 sysfs_remove_link(&device->dev.kobj, "thermal_cooling");
846 sysfs_remove_link(&pr->cdev->device.kobj, "device");
847 thermal_cooling_device_unregister(pr->cdev);
848 pr->cdev = NULL;
849 } 261 }
850 262
851 per_cpu(processors, pr->id) = NULL; 263 buf = kmalloc(12, GFP_KERNEL);
852 per_cpu(processor_device_array, pr->id) = NULL; 264 if (!buf) {
853 265 printk(KERN_ERR "Memory allocation error\n");
854free: 266 kfree(obj);
855 free_cpumask_var(pr->throttling.shared_cpu_map); 267 kfree(obj_list);
856 kfree(pr); 268 return NULL;
857
858 return 0;
859}
860
861#ifdef CONFIG_ACPI_HOTPLUG_CPU
862/****************************************************************************
863 * Acpi processor hotplug support *
864 ****************************************************************************/
865
866static int is_processor_present(acpi_handle handle)
867{
868 acpi_status status;
869 unsigned long long sta = 0;
870
871
872 status = acpi_evaluate_integer(handle, "_STA", NULL, &sta);
873
874 if (ACPI_SUCCESS(status) && (sta & ACPI_STA_DEVICE_PRESENT))
875 return 1;
876
877 /*
878 * _STA is mandatory for a processor that supports hot plug
879 */
880 if (status == AE_NOT_FOUND)
881 ACPI_DEBUG_PRINT((ACPI_DB_INFO,
882 "Processor does not support hot plug\n"));
883 else
884 ACPI_EXCEPTION((AE_INFO, status,
885 "Processor Device is not present"));
886 return 0;
887}
888
889static
890int acpi_processor_device_add(acpi_handle handle, struct acpi_device **device)
891{
892 acpi_handle phandle;
893 struct acpi_device *pdev;
894
895
896 if (acpi_get_parent(handle, &phandle)) {
897 return -ENODEV;
898 } 269 }
899 270
900 if (acpi_bus_get_device(phandle, &pdev)) { 271 acpi_set_pdc_bits(buf);
901 return -ENODEV;
902 }
903 272
904 if (acpi_bus_add(device, pdev, handle, ACPI_BUS_TYPE_PROCESSOR)) { 273 obj->type = ACPI_TYPE_BUFFER;
905 return -ENODEV; 274 obj->buffer.length = 12;
906 } 275 obj->buffer.pointer = (u8 *) buf;
276 obj_list->count = 1;
277 obj_list->pointer = obj;
907 278
908 return 0; 279 return obj_list;
909} 280}
910 281
911static void __ref acpi_processor_hotplug_notify(acpi_handle handle, 282/*
912 u32 event, void *data) 283 * _PDC is required for a BIOS-OS handshake for most of the newer
284 * ACPI processor features.
285 */
286static int
287acpi_processor_eval_pdc(acpi_handle handle, struct acpi_object_list *pdc_in)
913{ 288{
914 struct acpi_processor *pr; 289 acpi_status status = AE_OK;
915 struct acpi_device *device = NULL;
916 int result;
917
918 290
919 switch (event) { 291 if (idle_nomwait) {
920 case ACPI_NOTIFY_BUS_CHECK: 292 /*
921 case ACPI_NOTIFY_DEVICE_CHECK: 293 * If mwait is disabled for CPU C-states, the C2C3_FFH access
922 ACPI_DEBUG_PRINT((ACPI_DB_INFO, 294 * mode will be disabled in the parameter of _PDC object.
923 "Processor driver received %s event\n", 295 * Of course C1_FFH access mode will also be disabled.
924 (event == ACPI_NOTIFY_BUS_CHECK) ? 296 */
925 "ACPI_NOTIFY_BUS_CHECK" : "ACPI_NOTIFY_DEVICE_CHECK")); 297 union acpi_object *obj;
926 298 u32 *buffer = NULL;
927 if (!is_processor_present(handle))
928 break;
929 299
930 if (acpi_bus_get_device(handle, &device)) { 300 obj = pdc_in->pointer;
931 result = acpi_processor_device_add(handle, &device); 301 buffer = (u32 *)(obj->buffer.pointer);
932 if (result) 302 buffer[2] &= ~(ACPI_PDC_C_C2C3_FFH | ACPI_PDC_C_C1_FFH);
933 printk(KERN_ERR PREFIX
934 "Unable to add the device\n");
935 break;
936 }
937 break;
938 case ACPI_NOTIFY_EJECT_REQUEST:
939 ACPI_DEBUG_PRINT((ACPI_DB_INFO,
940 "received ACPI_NOTIFY_EJECT_REQUEST\n"));
941 303
942 if (acpi_bus_get_device(handle, &device)) {
943 printk(KERN_ERR PREFIX
944 "Device don't exist, dropping EJECT\n");
945 break;
946 }
947 pr = acpi_driver_data(device);
948 if (!pr) {
949 printk(KERN_ERR PREFIX
950 "Driver data is NULL, dropping EJECT\n");
951 return;
952 }
953 break;
954 default:
955 ACPI_DEBUG_PRINT((ACPI_DB_INFO,
956 "Unsupported event [0x%x]\n", event));
957 break;
958 } 304 }
305 status = acpi_evaluate_object(handle, "_PDC", pdc_in, NULL);
959 306
960 return;
961}
962
963static acpi_status
964processor_walk_namespace_cb(acpi_handle handle,
965 u32 lvl, void *context, void **rv)
966{
967 acpi_status status;
968 int *action = context;
969 acpi_object_type type = 0;
970
971 status = acpi_get_type(handle, &type);
972 if (ACPI_FAILURE(status)) 307 if (ACPI_FAILURE(status))
973 return (AE_OK); 308 ACPI_DEBUG_PRINT((ACPI_DB_INFO,
974 309 "Could not evaluate _PDC, using legacy perf. control.\n"));
975 if (type != ACPI_TYPE_PROCESSOR)
976 return (AE_OK);
977
978 switch (*action) {
979 case INSTALL_NOTIFY_HANDLER:
980 acpi_install_notify_handler(handle,
981 ACPI_SYSTEM_NOTIFY,
982 acpi_processor_hotplug_notify,
983 NULL);
984 break;
985 case UNINSTALL_NOTIFY_HANDLER:
986 acpi_remove_notify_handler(handle,
987 ACPI_SYSTEM_NOTIFY,
988 acpi_processor_hotplug_notify);
989 break;
990 default:
991 break;
992 }
993 310
994 return (AE_OK); 311 return status;
995} 312}
996 313
997static acpi_status acpi_processor_hotadd_init(acpi_handle handle, int *p_cpu) 314void acpi_processor_set_pdc(acpi_handle handle)
998{ 315{
316 struct acpi_object_list *obj_list;
999 317
1000 if (!is_processor_present(handle)) { 318 if (arch_has_acpi_pdc() == false)
1001 return AE_ERROR; 319 return;
1002 }
1003 320
1004 if (acpi_map_lsapic(handle, p_cpu)) 321 obj_list = acpi_processor_alloc_pdc();
1005 return AE_ERROR; 322 if (!obj_list)
323 return;
1006 324
1007 if (arch_register_cpu(*p_cpu)) { 325 acpi_processor_eval_pdc(handle, obj_list);
1008 acpi_unmap_lsapic(*p_cpu);
1009 return AE_ERROR;
1010 }
1011 326
1012 return AE_OK; 327 kfree(obj_list->pointer->buffer.pointer);
328 kfree(obj_list->pointer);
329 kfree(obj_list);
1013} 330}
331EXPORT_SYMBOL_GPL(acpi_processor_set_pdc);
1014 332
1015static int acpi_processor_handle_eject(struct acpi_processor *pr) 333static acpi_status
334early_init_pdc(acpi_handle handle, u32 lvl, void *context, void **rv)
1016{ 335{
1017 if (cpu_online(pr->id)) 336 if (processor_physically_present(handle) == false)
1018 cpu_down(pr->id); 337 return AE_OK;
1019 338
1020 arch_unregister_cpu(pr->id); 339 acpi_processor_set_pdc(handle);
1021 acpi_unmap_lsapic(pr->id); 340 return AE_OK;
1022 return (0);
1023}
1024#else
1025static acpi_status acpi_processor_hotadd_init(acpi_handle handle, int *p_cpu)
1026{
1027 return AE_ERROR;
1028}
1029static int acpi_processor_handle_eject(struct acpi_processor *pr)
1030{
1031 return (-EINVAL);
1032} 341}
1033#endif
1034 342
1035static 343void __init acpi_early_processor_set_pdc(void)
1036void acpi_processor_install_hotplug_notify(void)
1037{ 344{
1038#ifdef CONFIG_ACPI_HOTPLUG_CPU 345 /*
1039 int action = INSTALL_NOTIFY_HANDLER; 346 * Check whether the system is DMI table. If yes, OSPM
1040 acpi_walk_namespace(ACPI_TYPE_PROCESSOR, 347 * should not use mwait for CPU-states.
1041 ACPI_ROOT_OBJECT, 348 */
1042 ACPI_UINT32_MAX, 349 dmi_check_system(processor_idle_dmi_table);
1043 processor_walk_namespace_cb, NULL, &action, NULL);
1044#endif
1045 register_hotcpu_notifier(&acpi_cpu_notifier);
1046}
1047 350
1048static 351 acpi_walk_namespace(ACPI_TYPE_PROCESSOR, ACPI_ROOT_OBJECT,
1049void acpi_processor_uninstall_hotplug_notify(void)
1050{
1051#ifdef CONFIG_ACPI_HOTPLUG_CPU
1052 int action = UNINSTALL_NOTIFY_HANDLER;
1053 acpi_walk_namespace(ACPI_TYPE_PROCESSOR,
1054 ACPI_ROOT_OBJECT,
1055 ACPI_UINT32_MAX, 352 ACPI_UINT32_MAX,
1056 processor_walk_namespace_cb, NULL, &action, NULL); 353 early_init_pdc, NULL, NULL, NULL);
1057#endif
1058 unregister_hotcpu_notifier(&acpi_cpu_notifier);
1059} 354}
1060
1061/*
1062 * We keep the driver loaded even when ACPI is not running.
1063 * This is needed for the powernow-k8 driver, that works even without
1064 * ACPI, but needs symbols from this driver
1065 */
1066
1067static int __init acpi_processor_init(void)
1068{
1069 int result = 0;
1070
1071 if (acpi_disabled)
1072 return 0;
1073
1074 memset(&errata, 0, sizeof(errata));
1075
1076#ifdef CONFIG_SMP
1077 if (ACPI_FAILURE(acpi_get_table(ACPI_SIG_MADT, 0,
1078 (struct acpi_table_header **)&madt)))
1079 madt = NULL;
1080#endif
1081#ifdef CONFIG_ACPI_PROCFS
1082 acpi_processor_dir = proc_mkdir(ACPI_PROCESSOR_CLASS, acpi_root_dir);
1083 if (!acpi_processor_dir)
1084 return -ENOMEM;
1085#endif
1086 result = cpuidle_register_driver(&acpi_idle_driver);
1087 if (result < 0)
1088 goto out_proc;
1089
1090 result = acpi_bus_register_driver(&acpi_processor_driver);
1091 if (result < 0)
1092 goto out_cpuidle;
1093
1094 acpi_processor_install_hotplug_notify();
1095
1096 acpi_thermal_cpufreq_init();
1097
1098 acpi_processor_ppc_init();
1099
1100 acpi_processor_throttling_init();
1101
1102 return 0;
1103
1104out_cpuidle:
1105 cpuidle_unregister_driver(&acpi_idle_driver);
1106
1107out_proc:
1108#ifdef CONFIG_ACPI_PROCFS
1109 remove_proc_entry(ACPI_PROCESSOR_CLASS, acpi_root_dir);
1110#endif
1111
1112 return result;
1113}
1114
1115static void __exit acpi_processor_exit(void)
1116{
1117 if (acpi_disabled)
1118 return;
1119
1120 acpi_processor_ppc_exit();
1121
1122 acpi_thermal_cpufreq_exit();
1123
1124 acpi_processor_uninstall_hotplug_notify();
1125
1126 acpi_bus_unregister_driver(&acpi_processor_driver);
1127
1128 cpuidle_unregister_driver(&acpi_idle_driver);
1129
1130#ifdef CONFIG_ACPI_PROCFS
1131 remove_proc_entry(ACPI_PROCESSOR_CLASS, acpi_root_dir);
1132#endif
1133
1134 return;
1135}
1136
1137module_init(acpi_processor_init);
1138module_exit(acpi_processor_exit);
1139
1140EXPORT_SYMBOL(acpi_processor_set_thermal_limit);
1141
1142MODULE_ALIAS("processor");
generated by cgit v1.2.2 (git 2.25.0) at 2025-10-22 03:14:34 -0400