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1da177e4 LT |
1 | /* |
2 | * Compaq Hot Plug Controller Driver | |
3 | * | |
4 | * Copyright (C) 1995,2001 Compaq Computer Corporation | |
5 | * Copyright (C) 2001 Greg Kroah-Hartman (greg@kroah.com) | |
6 | * Copyright (C) 2001 IBM Corp. | |
7 | * | |
8 | * All rights reserved. | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License as published by | |
12 | * the Free Software Foundation; either version 2 of the License, or (at | |
13 | * your option) any later version. | |
14 | * | |
15 | * This program is distributed in the hope that it will be useful, but | |
16 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or | |
18 | * NON INFRINGEMENT. See the GNU General Public License for more | |
19 | * details. | |
20 | * | |
21 | * You should have received a copy of the GNU General Public License | |
22 | * along with this program; if not, write to the Free Software | |
23 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
24 | * | |
25 | * Send feedback to <greg@kroah.com> | |
26 | * | |
27 | */ | |
28 | ||
1da177e4 LT |
29 | #include <linux/module.h> |
30 | #include <linux/kernel.h> | |
31 | #include <linux/types.h> | |
32 | #include <linux/proc_fs.h> | |
33 | #include <linux/slab.h> | |
34 | #include <linux/workqueue.h> | |
35 | #include <linux/pci.h> | |
36 | #include <linux/init.h> | |
37 | #include <asm/uaccess.h> | |
38 | #include "cpqphp.h" | |
39 | #include "cpqphp_nvram.h" | |
40 | ||
41 | ||
42 | #define ROM_INT15_PHY_ADDR 0x0FF859 | |
43 | #define READ_EV 0xD8A4 | |
44 | #define WRITE_EV 0xD8A5 | |
45 | ||
46 | struct register_foo { | |
47 | union { | |
48 | unsigned long lword; /* eax */ | |
49 | unsigned short word; /* ax */ | |
50 | ||
51 | struct { | |
52 | unsigned char low; /* al */ | |
53 | unsigned char high; /* ah */ | |
54 | } byte; | |
55 | } data; | |
56 | ||
57 | unsigned char opcode; /* see below */ | |
58 | unsigned long length; /* if the reg. is a pointer, how much data */ | |
59 | } __attribute__ ((packed)); | |
60 | ||
61 | struct all_reg { | |
62 | struct register_foo eax_reg; | |
63 | struct register_foo ebx_reg; | |
64 | struct register_foo ecx_reg; | |
65 | struct register_foo edx_reg; | |
66 | struct register_foo edi_reg; | |
67 | struct register_foo esi_reg; | |
68 | struct register_foo eflags_reg; | |
69 | } __attribute__ ((packed)); | |
70 | ||
71 | ||
72 | struct ev_hrt_header { | |
73 | u8 Version; | |
74 | u8 num_of_ctrl; | |
75 | u8 next; | |
76 | }; | |
77 | ||
78 | struct ev_hrt_ctrl { | |
79 | u8 bus; | |
80 | u8 device; | |
81 | u8 function; | |
82 | u8 mem_avail; | |
83 | u8 p_mem_avail; | |
84 | u8 io_avail; | |
85 | u8 bus_avail; | |
86 | u8 next; | |
87 | }; | |
88 | ||
89 | ||
90 | static u8 evbuffer_init; | |
91 | static u8 evbuffer_length; | |
92 | static u8 evbuffer[1024]; | |
93 | ||
94 | static void __iomem *compaq_int15_entry_point; | |
95 | ||
96 | static spinlock_t int15_lock; /* lock for ordering int15_bios_call() */ | |
97 | ||
98 | ||
99 | /* This is a series of function that deals with | |
100 | setting & getting the hotplug resource table in some environment variable. | |
101 | */ | |
102 | ||
103 | /* | |
104 | * We really shouldn't be doing this unless there is a _very_ good reason to!!! | |
105 | * greg k-h | |
106 | */ | |
107 | ||
108 | ||
109 | static u32 add_byte( u32 **p_buffer, u8 value, u32 *used, u32 *avail) | |
110 | { | |
111 | u8 **tByte; | |
112 | ||
113 | if ((*used + 1) > *avail) | |
114 | return(1); | |
115 | ||
116 | *((u8*)*p_buffer) = value; | |
117 | tByte = (u8**)p_buffer; | |
118 | (*tByte)++; | |
119 | *used+=1; | |
120 | return(0); | |
121 | } | |
122 | ||
123 | ||
124 | static u32 add_dword( u32 **p_buffer, u32 value, u32 *used, u32 *avail) | |
125 | { | |
126 | if ((*used + 4) > *avail) | |
127 | return(1); | |
128 | ||
129 | **p_buffer = value; | |
130 | (*p_buffer)++; | |
131 | *used+=4; | |
132 | return(0); | |
133 | } | |
134 | ||
135 | ||
136 | /* | |
137 | * check_for_compaq_ROM | |
138 | * | |
139 | * this routine verifies that the ROM OEM string is 'COMPAQ' | |
140 | * | |
141 | * returns 0 for non-Compaq ROM, 1 for Compaq ROM | |
142 | */ | |
143 | static int check_for_compaq_ROM (void __iomem *rom_start) | |
144 | { | |
145 | u8 temp1, temp2, temp3, temp4, temp5, temp6; | |
146 | int result = 0; | |
147 | ||
148 | temp1 = readb(rom_start + 0xffea + 0); | |
149 | temp2 = readb(rom_start + 0xffea + 1); | |
150 | temp3 = readb(rom_start + 0xffea + 2); | |
151 | temp4 = readb(rom_start + 0xffea + 3); | |
152 | temp5 = readb(rom_start + 0xffea + 4); | |
153 | temp6 = readb(rom_start + 0xffea + 5); | |
154 | if ((temp1 == 'C') && | |
155 | (temp2 == 'O') && | |
156 | (temp3 == 'M') && | |
157 | (temp4 == 'P') && | |
158 | (temp5 == 'A') && | |
159 | (temp6 == 'Q')) { | |
160 | result = 1; | |
161 | } | |
162 | dbg ("%s - returned %d\n", __FUNCTION__, result); | |
163 | return result; | |
164 | } | |
165 | ||
166 | ||
167 | static u32 access_EV (u16 operation, u8 *ev_name, u8 *buffer, u32 *buf_size) | |
168 | { | |
169 | unsigned long flags; | |
170 | int op = operation; | |
171 | int ret_val; | |
172 | ||
173 | if (!compaq_int15_entry_point) | |
174 | return -ENODEV; | |
175 | ||
176 | spin_lock_irqsave(&int15_lock, flags); | |
177 | __asm__ ( | |
178 | "xorl %%ebx,%%ebx\n" \ | |
179 | "xorl %%edx,%%edx\n" \ | |
180 | "pushf\n" \ | |
181 | "push %%cs\n" \ | |
182 | "cli\n" \ | |
183 | "call *%6\n" | |
184 | : "=c" (*buf_size), "=a" (ret_val) | |
185 | : "a" (op), "c" (*buf_size), "S" (ev_name), | |
186 | "D" (buffer), "m" (compaq_int15_entry_point) | |
187 | : "%ebx", "%edx"); | |
188 | spin_unlock_irqrestore(&int15_lock, flags); | |
189 | ||
190 | return((ret_val & 0xFF00) >> 8); | |
191 | } | |
192 | ||
193 | ||
194 | /* | |
195 | * load_HRT | |
196 | * | |
197 | * Read the hot plug Resource Table from NVRAM | |
198 | */ | |
199 | static int load_HRT (void __iomem *rom_start) | |
200 | { | |
201 | u32 available; | |
202 | u32 temp_dword; | |
203 | u8 temp_byte = 0xFF; | |
204 | u32 rc; | |
205 | ||
206 | if (!check_for_compaq_ROM(rom_start)) { | |
207 | return -ENODEV; | |
208 | } | |
209 | ||
210 | available = 1024; | |
211 | ||
212 | // Now load the EV | |
213 | temp_dword = available; | |
214 | ||
215 | rc = access_EV(READ_EV, "CQTHPS", evbuffer, &temp_dword); | |
216 | ||
217 | evbuffer_length = temp_dword; | |
218 | ||
219 | // We're maintaining the resource lists so write FF to invalidate old info | |
220 | temp_dword = 1; | |
221 | ||
222 | rc = access_EV(WRITE_EV, "CQTHPS", &temp_byte, &temp_dword); | |
223 | ||
224 | return rc; | |
225 | } | |
226 | ||
227 | ||
228 | /* | |
229 | * store_HRT | |
230 | * | |
231 | * Save the hot plug Resource Table in NVRAM | |
232 | */ | |
233 | static u32 store_HRT (void __iomem *rom_start) | |
234 | { | |
235 | u32 *buffer; | |
236 | u32 *pFill; | |
237 | u32 usedbytes; | |
238 | u32 available; | |
239 | u32 temp_dword; | |
240 | u32 rc; | |
241 | u8 loop; | |
242 | u8 numCtrl = 0; | |
243 | struct controller *ctrl; | |
244 | struct pci_resource *resNode; | |
245 | struct ev_hrt_header *p_EV_header; | |
246 | struct ev_hrt_ctrl *p_ev_ctrl; | |
247 | ||
248 | available = 1024; | |
249 | ||
250 | if (!check_for_compaq_ROM(rom_start)) { | |
251 | return(1); | |
252 | } | |
253 | ||
254 | buffer = (u32*) evbuffer; | |
255 | ||
256 | if (!buffer) | |
257 | return(1); | |
258 | ||
259 | pFill = buffer; | |
260 | usedbytes = 0; | |
261 | ||
262 | p_EV_header = (struct ev_hrt_header *) pFill; | |
263 | ||
264 | ctrl = cpqhp_ctrl_list; | |
265 | ||
266 | // The revision of this structure | |
267 | rc = add_byte( &pFill, 1 + ctrl->push_flag, &usedbytes, &available); | |
268 | if (rc) | |
269 | return(rc); | |
270 | ||
271 | // The number of controllers | |
272 | rc = add_byte( &pFill, 1, &usedbytes, &available); | |
273 | if (rc) | |
274 | return(rc); | |
275 | ||
276 | while (ctrl) { | |
277 | p_ev_ctrl = (struct ev_hrt_ctrl *) pFill; | |
278 | ||
279 | numCtrl++; | |
280 | ||
281 | // The bus number | |
282 | rc = add_byte( &pFill, ctrl->bus, &usedbytes, &available); | |
283 | if (rc) | |
284 | return(rc); | |
285 | ||
286 | // The device Number | |
287 | rc = add_byte( &pFill, PCI_SLOT(ctrl->pci_dev->devfn), &usedbytes, &available); | |
288 | if (rc) | |
289 | return(rc); | |
290 | ||
291 | // The function Number | |
292 | rc = add_byte( &pFill, PCI_FUNC(ctrl->pci_dev->devfn), &usedbytes, &available); | |
293 | if (rc) | |
294 | return(rc); | |
295 | ||
296 | // Skip the number of available entries | |
297 | rc = add_dword( &pFill, 0, &usedbytes, &available); | |
298 | if (rc) | |
299 | return(rc); | |
300 | ||
301 | // Figure out memory Available | |
302 | ||
303 | resNode = ctrl->mem_head; | |
304 | ||
305 | loop = 0; | |
306 | ||
307 | while (resNode) { | |
308 | loop ++; | |
309 | ||
310 | // base | |
311 | rc = add_dword( &pFill, resNode->base, &usedbytes, &available); | |
312 | if (rc) | |
313 | return(rc); | |
314 | ||
315 | // length | |
316 | rc = add_dword( &pFill, resNode->length, &usedbytes, &available); | |
317 | if (rc) | |
318 | return(rc); | |
319 | ||
320 | resNode = resNode->next; | |
321 | } | |
322 | ||
323 | // Fill in the number of entries | |
324 | p_ev_ctrl->mem_avail = loop; | |
325 | ||
326 | // Figure out prefetchable memory Available | |
327 | ||
328 | resNode = ctrl->p_mem_head; | |
329 | ||
330 | loop = 0; | |
331 | ||
332 | while (resNode) { | |
333 | loop ++; | |
334 | ||
335 | // base | |
336 | rc = add_dword( &pFill, resNode->base, &usedbytes, &available); | |
337 | if (rc) | |
338 | return(rc); | |
339 | ||
340 | // length | |
341 | rc = add_dword( &pFill, resNode->length, &usedbytes, &available); | |
342 | if (rc) | |
343 | return(rc); | |
344 | ||
345 | resNode = resNode->next; | |
346 | } | |
347 | ||
348 | // Fill in the number of entries | |
349 | p_ev_ctrl->p_mem_avail = loop; | |
350 | ||
351 | // Figure out IO Available | |
352 | ||
353 | resNode = ctrl->io_head; | |
354 | ||
355 | loop = 0; | |
356 | ||
357 | while (resNode) { | |
358 | loop ++; | |
359 | ||
360 | // base | |
361 | rc = add_dword( &pFill, resNode->base, &usedbytes, &available); | |
362 | if (rc) | |
363 | return(rc); | |
364 | ||
365 | // length | |
366 | rc = add_dword( &pFill, resNode->length, &usedbytes, &available); | |
367 | if (rc) | |
368 | return(rc); | |
369 | ||
370 | resNode = resNode->next; | |
371 | } | |
372 | ||
373 | // Fill in the number of entries | |
374 | p_ev_ctrl->io_avail = loop; | |
375 | ||
376 | // Figure out bus Available | |
377 | ||
378 | resNode = ctrl->bus_head; | |
379 | ||
380 | loop = 0; | |
381 | ||
382 | while (resNode) { | |
383 | loop ++; | |
384 | ||
385 | // base | |
386 | rc = add_dword( &pFill, resNode->base, &usedbytes, &available); | |
387 | if (rc) | |
388 | return(rc); | |
389 | ||
390 | // length | |
391 | rc = add_dword( &pFill, resNode->length, &usedbytes, &available); | |
392 | if (rc) | |
393 | return(rc); | |
394 | ||
395 | resNode = resNode->next; | |
396 | } | |
397 | ||
398 | // Fill in the number of entries | |
399 | p_ev_ctrl->bus_avail = loop; | |
400 | ||
401 | ctrl = ctrl->next; | |
402 | } | |
403 | ||
404 | p_EV_header->num_of_ctrl = numCtrl; | |
405 | ||
406 | // Now store the EV | |
407 | ||
408 | temp_dword = usedbytes; | |
409 | ||
410 | rc = access_EV(WRITE_EV, "CQTHPS", (u8*) buffer, &temp_dword); | |
411 | ||
412 | dbg("usedbytes = 0x%x, length = 0x%x\n", usedbytes, temp_dword); | |
413 | ||
414 | evbuffer_length = temp_dword; | |
415 | ||
416 | if (rc) { | |
417 | err(msg_unable_to_save); | |
418 | return(1); | |
419 | } | |
420 | ||
421 | return(0); | |
422 | } | |
423 | ||
424 | ||
425 | void compaq_nvram_init (void __iomem *rom_start) | |
426 | { | |
427 | if (rom_start) { | |
428 | compaq_int15_entry_point = (rom_start + ROM_INT15_PHY_ADDR - ROM_PHY_ADDR); | |
429 | } | |
430 | dbg("int15 entry = %p\n", compaq_int15_entry_point); | |
431 | ||
432 | /* initialize our int15 lock */ | |
433 | spin_lock_init(&int15_lock); | |
434 | } | |
435 | ||
436 | ||
437 | int compaq_nvram_load (void __iomem *rom_start, struct controller *ctrl) | |
438 | { | |
439 | u8 bus, device, function; | |
440 | u8 nummem, numpmem, numio, numbus; | |
441 | u32 rc; | |
442 | u8 *p_byte; | |
443 | struct pci_resource *mem_node; | |
444 | struct pci_resource *p_mem_node; | |
445 | struct pci_resource *io_node; | |
446 | struct pci_resource *bus_node; | |
447 | struct ev_hrt_ctrl *p_ev_ctrl; | |
448 | struct ev_hrt_header *p_EV_header; | |
449 | ||
450 | if (!evbuffer_init) { | |
451 | // Read the resource list information in from NVRAM | |
452 | if (load_HRT(rom_start)) | |
453 | memset (evbuffer, 0, 1024); | |
454 | ||
455 | evbuffer_init = 1; | |
456 | } | |
457 | ||
458 | // If we saved information in NVRAM, use it now | |
459 | p_EV_header = (struct ev_hrt_header *) evbuffer; | |
460 | ||
461 | // The following code is for systems where version 1.0 of this | |
462 | // driver has been loaded, but doesn't support the hardware. | |
463 | // In that case, the driver would incorrectly store something | |
464 | // in NVRAM. | |
465 | if ((p_EV_header->Version == 2) || | |
466 | ((p_EV_header->Version == 1) && !ctrl->push_flag)) { | |
467 | p_byte = &(p_EV_header->next); | |
468 | ||
469 | p_ev_ctrl = (struct ev_hrt_ctrl *) &(p_EV_header->next); | |
470 | ||
471 | p_byte += 3; | |
472 | ||
473 | if (p_byte > ((u8*)p_EV_header + evbuffer_length)) | |
474 | return 2; | |
475 | ||
476 | bus = p_ev_ctrl->bus; | |
477 | device = p_ev_ctrl->device; | |
478 | function = p_ev_ctrl->function; | |
479 | ||
480 | while ((bus != ctrl->bus) || | |
481 | (device != PCI_SLOT(ctrl->pci_dev->devfn)) || | |
482 | (function != PCI_FUNC(ctrl->pci_dev->devfn))) { | |
483 | nummem = p_ev_ctrl->mem_avail; | |
484 | numpmem = p_ev_ctrl->p_mem_avail; | |
485 | numio = p_ev_ctrl->io_avail; | |
486 | numbus = p_ev_ctrl->bus_avail; | |
487 | ||
488 | p_byte += 4; | |
489 | ||
490 | if (p_byte > ((u8*)p_EV_header + evbuffer_length)) | |
491 | return 2; | |
492 | ||
493 | // Skip forward to the next entry | |
494 | p_byte += (nummem + numpmem + numio + numbus) * 8; | |
495 | ||
496 | if (p_byte > ((u8*)p_EV_header + evbuffer_length)) | |
497 | return 2; | |
498 | ||
499 | p_ev_ctrl = (struct ev_hrt_ctrl *) p_byte; | |
500 | ||
501 | p_byte += 3; | |
502 | ||
503 | if (p_byte > ((u8*)p_EV_header + evbuffer_length)) | |
504 | return 2; | |
505 | ||
506 | bus = p_ev_ctrl->bus; | |
507 | device = p_ev_ctrl->device; | |
508 | function = p_ev_ctrl->function; | |
509 | } | |
510 | ||
511 | nummem = p_ev_ctrl->mem_avail; | |
512 | numpmem = p_ev_ctrl->p_mem_avail; | |
513 | numio = p_ev_ctrl->io_avail; | |
514 | numbus = p_ev_ctrl->bus_avail; | |
515 | ||
516 | p_byte += 4; | |
517 | ||
518 | if (p_byte > ((u8*)p_EV_header + evbuffer_length)) | |
519 | return 2; | |
520 | ||
521 | while (nummem--) { | |
522 | mem_node = (struct pci_resource*) kmalloc(sizeof(struct pci_resource), GFP_KERNEL); | |
523 | ||
524 | if (!mem_node) | |
525 | break; | |
526 | ||
527 | mem_node->base = *(u32*)p_byte; | |
528 | dbg("mem base = %8.8x\n",mem_node->base); | |
529 | p_byte += 4; | |
530 | ||
531 | if (p_byte > ((u8*)p_EV_header + evbuffer_length)) { | |
532 | kfree(mem_node); | |
533 | return 2; | |
534 | } | |
535 | ||
536 | mem_node->length = *(u32*)p_byte; | |
537 | dbg("mem length = %8.8x\n",mem_node->length); | |
538 | p_byte += 4; | |
539 | ||
540 | if (p_byte > ((u8*)p_EV_header + evbuffer_length)) { | |
541 | kfree(mem_node); | |
542 | return 2; | |
543 | } | |
544 | ||
545 | mem_node->next = ctrl->mem_head; | |
546 | ctrl->mem_head = mem_node; | |
547 | } | |
548 | ||
549 | while (numpmem--) { | |
550 | p_mem_node = (struct pci_resource*) kmalloc(sizeof(struct pci_resource), GFP_KERNEL); | |
551 | ||
552 | if (!p_mem_node) | |
553 | break; | |
554 | ||
555 | p_mem_node->base = *(u32*)p_byte; | |
556 | dbg("pre-mem base = %8.8x\n",p_mem_node->base); | |
557 | p_byte += 4; | |
558 | ||
559 | if (p_byte > ((u8*)p_EV_header + evbuffer_length)) { | |
560 | kfree(p_mem_node); | |
561 | return 2; | |
562 | } | |
563 | ||
564 | p_mem_node->length = *(u32*)p_byte; | |
565 | dbg("pre-mem length = %8.8x\n",p_mem_node->length); | |
566 | p_byte += 4; | |
567 | ||
568 | if (p_byte > ((u8*)p_EV_header + evbuffer_length)) { | |
569 | kfree(p_mem_node); | |
570 | return 2; | |
571 | } | |
572 | ||
573 | p_mem_node->next = ctrl->p_mem_head; | |
574 | ctrl->p_mem_head = p_mem_node; | |
575 | } | |
576 | ||
577 | while (numio--) { | |
578 | io_node = (struct pci_resource*) kmalloc(sizeof(struct pci_resource), GFP_KERNEL); | |
579 | ||
580 | if (!io_node) | |
581 | break; | |
582 | ||
583 | io_node->base = *(u32*)p_byte; | |
584 | dbg("io base = %8.8x\n",io_node->base); | |
585 | p_byte += 4; | |
586 | ||
587 | if (p_byte > ((u8*)p_EV_header + evbuffer_length)) { | |
588 | kfree(io_node); | |
589 | return 2; | |
590 | } | |
591 | ||
592 | io_node->length = *(u32*)p_byte; | |
593 | dbg("io length = %8.8x\n",io_node->length); | |
594 | p_byte += 4; | |
595 | ||
596 | if (p_byte > ((u8*)p_EV_header + evbuffer_length)) { | |
597 | kfree(io_node); | |
598 | return 2; | |
599 | } | |
600 | ||
601 | io_node->next = ctrl->io_head; | |
602 | ctrl->io_head = io_node; | |
603 | } | |
604 | ||
605 | while (numbus--) { | |
606 | bus_node = (struct pci_resource*) kmalloc(sizeof(struct pci_resource), GFP_KERNEL); | |
607 | ||
608 | if (!bus_node) | |
609 | break; | |
610 | ||
611 | bus_node->base = *(u32*)p_byte; | |
612 | p_byte += 4; | |
613 | ||
614 | if (p_byte > ((u8*)p_EV_header + evbuffer_length)) { | |
615 | kfree(bus_node); | |
616 | return 2; | |
617 | } | |
618 | ||
619 | bus_node->length = *(u32*)p_byte; | |
620 | p_byte += 4; | |
621 | ||
622 | if (p_byte > ((u8*)p_EV_header + evbuffer_length)) { | |
623 | kfree(bus_node); | |
624 | return 2; | |
625 | } | |
626 | ||
627 | bus_node->next = ctrl->bus_head; | |
628 | ctrl->bus_head = bus_node; | |
629 | } | |
630 | ||
631 | // If all of the following fail, we don't have any resources for | |
632 | // hot plug add | |
633 | rc = 1; | |
634 | rc &= cpqhp_resource_sort_and_combine(&(ctrl->mem_head)); | |
635 | rc &= cpqhp_resource_sort_and_combine(&(ctrl->p_mem_head)); | |
636 | rc &= cpqhp_resource_sort_and_combine(&(ctrl->io_head)); | |
637 | rc &= cpqhp_resource_sort_and_combine(&(ctrl->bus_head)); | |
638 | ||
639 | if (rc) | |
640 | return(rc); | |
641 | } else { | |
642 | if ((evbuffer[0] != 0) && (!ctrl->push_flag)) | |
643 | return 1; | |
644 | } | |
645 | ||
646 | return 0; | |
647 | } | |
648 | ||
649 | ||
650 | int compaq_nvram_store (void __iomem *rom_start) | |
651 | { | |
652 | int rc = 1; | |
653 | ||
654 | if (rom_start == NULL) | |
655 | return -ENODEV; | |
656 | ||
657 | if (evbuffer_init) { | |
658 | rc = store_HRT(rom_start); | |
659 | if (rc) { | |
660 | err(msg_unable_to_save); | |
661 | } | |
662 | } | |
663 | return rc; | |
664 | } | |
665 |