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736759ef | 1 | // SPDX-License-Identifier: GPL-2.0+ |
1da177e4 LT |
2 | /* |
3 | * PCI Hot Plug Controller Driver for RPA-compliant PPC64 platform. | |
4 | * Copyright (C) 2003 Linda Xie <lxie@us.ibm.com> | |
5 | * | |
6 | * All rights reserved. | |
7 | * | |
1da177e4 LT |
8 | * Send feedback to <lxie@us.ibm.com> |
9 | * | |
10 | */ | |
1da177e4 LT |
11 | #include <linux/kernel.h> |
12 | #include <linux/module.h> | |
13 | #include <linux/moduleparam.h> | |
14 | #include <linux/pci.h> | |
7a54f25c | 15 | #include <linux/pci_hotplug.h> |
1da177e4 | 16 | #include <linux/smp.h> |
1da177e4 | 17 | #include <linux/init.h> |
b4a26be9 | 18 | #include <linux/vmalloc.h> |
2fcf3ae5 | 19 | #include <asm/firmware.h> |
1da177e4 LT |
20 | #include <asm/eeh.h> /* for eeh_add_device() */ |
21 | #include <asm/rtas.h> /* rtas_call */ | |
22 | #include <asm/pci-bridge.h> /* for pci_controller */ | |
23 | #include "../pci.h" /* for pci_add_new_bus */ | |
24 | /* and pci_do_scan_bus */ | |
25 | #include "rpaphp.h" | |
1da177e4 | 26 | |
90ab5ee9 | 27 | bool rpaphp_debug; |
1da177e4 | 28 | LIST_HEAD(rpaphp_slot_head); |
b7fe9434 | 29 | EXPORT_SYMBOL_GPL(rpaphp_slot_head); |
1da177e4 LT |
30 | |
31 | #define DRIVER_VERSION "0.1" | |
32 | #define DRIVER_AUTHOR "Linda Xie <lxie@us.ibm.com>" | |
33 | #define DRIVER_DESC "RPA HOT Plug PCI Controller Driver" | |
34 | ||
35 | #define MAX_LOC_CODE 128 | |
36 | ||
37 | MODULE_AUTHOR(DRIVER_AUTHOR); | |
38 | MODULE_DESCRIPTION(DRIVER_DESC); | |
39 | MODULE_LICENSE("GPL"); | |
40 | ||
5d9bc1fa | 41 | module_param_named(debug, rpaphp_debug, bool, 0644); |
1da177e4 | 42 | |
1da177e4 LT |
43 | /** |
44 | * set_attention_status - set attention LED | |
26e6c66e RD |
45 | * @hotplug_slot: target &hotplug_slot |
46 | * @value: LED control value | |
47 | * | |
1da177e4 LT |
48 | * echo 0 > attention -- set LED OFF |
49 | * echo 1 > attention -- set LED ON | |
50 | * echo 2 > attention -- set LED ID(identify, light is blinking) | |
1da177e4 LT |
51 | */ |
52 | static int set_attention_status(struct hotplug_slot *hotplug_slot, u8 value) | |
53 | { | |
c02929c2 | 54 | int rc; |
125450f8 | 55 | struct slot *slot = to_slot(hotplug_slot); |
1da177e4 | 56 | |
1da177e4 LT |
57 | switch (value) { |
58 | case 0: | |
1da177e4 | 59 | case 1: |
1da177e4 | 60 | case 2: |
c02929c2 LV |
61 | break; |
62 | default: | |
63 | value = 1; | |
1da177e4 LT |
64 | break; |
65 | } | |
c02929c2 LV |
66 | |
67 | rc = rtas_set_indicator(DR_INDICATOR, slot->index, value); | |
68 | if (!rc) | |
a7da2161 | 69 | slot->attention_status = value; |
c02929c2 LV |
70 | |
71 | return rc; | |
1da177e4 LT |
72 | } |
73 | ||
74 | /** | |
75 | * get_power_status - get power status of a slot | |
76 | * @hotplug_slot: slot to get status | |
77 | * @value: pointer to store status | |
1da177e4 | 78 | */ |
3c78bc61 | 79 | static int get_power_status(struct hotplug_slot *hotplug_slot, u8 *value) |
1da177e4 | 80 | { |
427310ff | 81 | int retval, level; |
125450f8 | 82 | struct slot *slot = to_slot(hotplug_slot); |
1da177e4 | 83 | |
ff3ce480 | 84 | retval = rtas_get_power_level(slot->power_domain, &level); |
427310ff LV |
85 | if (!retval) |
86 | *value = level; | |
1da177e4 LT |
87 | return retval; |
88 | } | |
89 | ||
90 | /** | |
91 | * get_attention_status - get attention LED status | |
26e6c66e RD |
92 | * @hotplug_slot: slot to get status |
93 | * @value: pointer to store status | |
1da177e4 | 94 | */ |
3c78bc61 | 95 | static int get_attention_status(struct hotplug_slot *hotplug_slot, u8 *value) |
1da177e4 | 96 | { |
125450f8 | 97 | struct slot *slot = to_slot(hotplug_slot); |
a7da2161 | 98 | *value = slot->attention_status; |
ebf42c0e | 99 | return 0; |
1da177e4 LT |
100 | } |
101 | ||
3c78bc61 | 102 | static int get_adapter_status(struct hotplug_slot *hotplug_slot, u8 *value) |
1da177e4 | 103 | { |
125450f8 | 104 | struct slot *slot = to_slot(hotplug_slot); |
bf0af511 | 105 | int rc, state; |
1da177e4 | 106 | |
bf0af511 | 107 | rc = rpaphp_get_sensor_state(slot, &state); |
bf0af511 LV |
108 | |
109 | *value = NOT_VALID; | |
110 | if (rc) | |
111 | return rc; | |
112 | ||
113 | if (state == EMPTY) | |
114 | *value = EMPTY; | |
115 | else if (state == PRESENT) | |
116 | *value = slot->state; | |
117 | ||
118 | return 0; | |
1da177e4 LT |
119 | } |
120 | ||
3749c51a | 121 | static enum pci_bus_speed get_max_bus_speed(struct slot *slot) |
1da177e4 | 122 | { |
3749c51a | 123 | enum pci_bus_speed speed; |
1da177e4 LT |
124 | switch (slot->type) { |
125 | case 1: | |
126 | case 2: | |
127 | case 3: | |
128 | case 4: | |
129 | case 5: | |
130 | case 6: | |
3749c51a | 131 | speed = PCI_SPEED_33MHz; /* speed for case 1-6 */ |
1da177e4 LT |
132 | break; |
133 | case 7: | |
134 | case 8: | |
3749c51a | 135 | speed = PCI_SPEED_66MHz; |
1da177e4 LT |
136 | break; |
137 | case 11: | |
138 | case 14: | |
3749c51a | 139 | speed = PCI_SPEED_66MHz_PCIX; |
1da177e4 LT |
140 | break; |
141 | case 12: | |
142 | case 15: | |
3749c51a | 143 | speed = PCI_SPEED_100MHz_PCIX; |
1da177e4 LT |
144 | break; |
145 | case 13: | |
146 | case 16: | |
3749c51a | 147 | speed = PCI_SPEED_133MHz_PCIX; |
1da177e4 LT |
148 | break; |
149 | default: | |
3749c51a | 150 | speed = PCI_SPEED_UNKNOWN; |
1da177e4 | 151 | break; |
1da177e4 | 152 | } |
3749c51a MW |
153 | |
154 | return speed; | |
1da177e4 LT |
155 | } |
156 | ||
07376867 TD |
157 | static int get_children_props(struct device_node *dn, const __be32 **drc_indexes, |
158 | const __be32 **drc_names, const __be32 **drc_types, | |
159 | const __be32 **drc_power_domains) | |
1da177e4 | 160 | { |
07376867 | 161 | const __be32 *indexes, *names, *types, *domains; |
1da177e4 | 162 | |
40cd3a45 SR |
163 | indexes = of_get_property(dn, "ibm,drc-indexes", NULL); |
164 | names = of_get_property(dn, "ibm,drc-names", NULL); | |
165 | types = of_get_property(dn, "ibm,drc-types", NULL); | |
166 | domains = of_get_property(dn, "ibm,drc-power-domains", NULL); | |
1da177e4 LT |
167 | |
168 | if (!indexes || !names || !types || !domains) { | |
169 | /* Slot does not have dynamically-removable children */ | |
170 | return -EINVAL; | |
171 | } | |
172 | if (drc_indexes) | |
173 | *drc_indexes = indexes; | |
174 | if (drc_names) | |
175 | /* &drc_names[1] contains NULL terminated slot names */ | |
176 | *drc_names = names; | |
177 | if (drc_types) | |
178 | /* &drc_types[1] contains NULL terminated slot types */ | |
179 | *drc_types = types; | |
180 | if (drc_power_domains) | |
181 | *drc_power_domains = domains; | |
182 | ||
183 | return 0; | |
184 | } | |
185 | ||
2fcf3ae5 MB |
186 | |
187 | /* Verify the existence of 'drc_name' and/or 'drc_type' within the | |
9d09e5a9 BH |
188 | * current node. First obtain its my-drc-index property. Next, |
189 | * obtain the DRC info from its parent. Use the my-drc-index for | |
2fcf3ae5 | 190 | * correlation, and obtain/validate the requested properties. |
1da177e4 | 191 | */ |
2fcf3ae5 MB |
192 | |
193 | static int rpaphp_check_drc_props_v1(struct device_node *dn, char *drc_name, | |
194 | char *drc_type, unsigned int my_index) | |
1da177e4 | 195 | { |
2fcf3ae5 | 196 | char *name_tmp, *type_tmp; |
07376867 TD |
197 | const __be32 *indexes, *names; |
198 | const __be32 *types, *domains; | |
1da177e4 LT |
199 | int i, rc; |
200 | ||
1da177e4 LT |
201 | rc = get_children_props(dn->parent, &indexes, &names, &types, &domains); |
202 | if (rc < 0) { | |
203 | return -EINVAL; | |
204 | } | |
205 | ||
206 | name_tmp = (char *) &names[1]; | |
207 | type_tmp = (char *) &types[1]; | |
208 | ||
209 | /* Iterate through parent properties, looking for my-drc-index */ | |
761ce533 | 210 | for (i = 0; i < be32_to_cpu(indexes[0]); i++) { |
07376867 | 211 | if (be32_to_cpu(indexes[i + 1]) == my_index) |
2fcf3ae5 MB |
212 | break; |
213 | ||
1da177e4 LT |
214 | name_tmp += (strlen(name_tmp) + 1); |
215 | type_tmp += (strlen(type_tmp) + 1); | |
216 | } | |
217 | ||
2fcf3ae5 MB |
218 | if (((drc_name == NULL) || (drc_name && !strcmp(drc_name, name_tmp))) && |
219 | ((drc_type == NULL) || (drc_type && !strcmp(drc_type, type_tmp)))) | |
220 | return 0; | |
221 | ||
1da177e4 LT |
222 | return -EINVAL; |
223 | } | |
2fcf3ae5 MB |
224 | |
225 | static int rpaphp_check_drc_props_v2(struct device_node *dn, char *drc_name, | |
226 | char *drc_type, unsigned int my_index) | |
227 | { | |
228 | struct property *info; | |
229 | unsigned int entries; | |
230 | struct of_drc_info drc; | |
231 | const __be32 *value; | |
232 | char cell_drc_name[MAX_DRC_NAME_LEN]; | |
0df3e421 | 233 | int j; |
2fcf3ae5 MB |
234 | |
235 | info = of_find_property(dn->parent, "ibm,drc-info", NULL); | |
236 | if (info == NULL) | |
237 | return -EINVAL; | |
238 | ||
239 | value = of_prop_next_u32(info, NULL, &entries); | |
240 | if (!value) | |
241 | return -EINVAL; | |
9723c25f TD |
242 | else |
243 | value++; | |
2fcf3ae5 MB |
244 | |
245 | for (j = 0; j < entries; j++) { | |
246 | of_read_drc_info_cell(&info, &value, &drc); | |
247 | ||
248 | /* Should now know end of current entry */ | |
249 | ||
0df3e421 | 250 | /* Found it */ |
4f9f2d3d TD |
251 | if (my_index >= drc.drc_index_start && my_index <= drc.last_drc_index) { |
252 | int index = my_index - drc.drc_index_start; | |
0df3e421 | 253 | sprintf(cell_drc_name, "%s%d", drc.drc_name_prefix, |
4f9f2d3d | 254 | drc.drc_name_suffix_start + index); |
0df3e421 NC |
255 | break; |
256 | } | |
2fcf3ae5 | 257 | } |
2fcf3ae5 MB |
258 | |
259 | if (((drc_name == NULL) || | |
260 | (drc_name && !strcmp(drc_name, cell_drc_name))) && | |
261 | ((drc_type == NULL) || | |
262 | (drc_type && !strcmp(drc_type, drc.drc_type)))) | |
263 | return 0; | |
264 | ||
265 | return -EINVAL; | |
266 | } | |
267 | ||
268 | int rpaphp_check_drc_props(struct device_node *dn, char *drc_name, | |
269 | char *drc_type) | |
270 | { | |
07376867 | 271 | const __be32 *my_index; |
2fcf3ae5 MB |
272 | |
273 | my_index = of_get_property(dn, "ibm,my-drc-index", NULL); | |
274 | if (!my_index) { | |
275 | /* Node isn't DLPAR/hotplug capable */ | |
276 | return -EINVAL; | |
277 | } | |
278 | ||
52e2b0f1 | 279 | if (of_find_property(dn->parent, "ibm,drc-info", NULL)) |
2fcf3ae5 | 280 | return rpaphp_check_drc_props_v2(dn, drc_name, drc_type, |
07376867 | 281 | be32_to_cpu(*my_index)); |
2fcf3ae5 MB |
282 | else |
283 | return rpaphp_check_drc_props_v1(dn, drc_name, drc_type, | |
07376867 | 284 | be32_to_cpu(*my_index)); |
2fcf3ae5 MB |
285 | } |
286 | EXPORT_SYMBOL_GPL(rpaphp_check_drc_props); | |
287 | ||
1da177e4 LT |
288 | |
289 | static int is_php_type(char *drc_type) | |
290 | { | |
1da177e4 LT |
291 | char *endptr; |
292 | ||
293 | /* PCI Hotplug nodes have an integer for drc_type */ | |
9475af08 | 294 | simple_strtoul(drc_type, &endptr, 10); |
1da177e4 LT |
295 | if (endptr == drc_type) |
296 | return 0; | |
297 | ||
298 | return 1; | |
299 | } | |
300 | ||
da65944b LV |
301 | /** |
302 | * is_php_dn() - return 1 if this is a hotpluggable pci slot, else 0 | |
26e6c66e RD |
303 | * @dn: target &device_node |
304 | * @indexes: passed to get_children_props() | |
305 | * @names: passed to get_children_props() | |
306 | * @types: returned from get_children_props() | |
307 | * @power_domains: | |
da65944b LV |
308 | * |
309 | * This routine will return true only if the device node is | |
310 | * a hotpluggable slot. This routine will return false | |
311 | * for built-in pci slots (even when the built-in slots are | |
312 | * dlparable.) | |
313 | */ | |
07376867 TD |
314 | static int is_php_dn(struct device_node *dn, const __be32 **indexes, |
315 | const __be32 **names, const __be32 **types, | |
316 | const __be32 **power_domains) | |
1da177e4 | 317 | { |
07376867 | 318 | const __be32 *drc_types; |
1da177e4 LT |
319 | int rc; |
320 | ||
321 | rc = get_children_props(dn, indexes, names, &drc_types, power_domains); | |
da65944b LV |
322 | if (rc < 0) |
323 | return 0; | |
1da177e4 | 324 | |
da65944b LV |
325 | if (!is_php_type((char *) &drc_types[1])) |
326 | return 0; | |
327 | ||
328 | *types = drc_types; | |
329 | return 1; | |
1da177e4 LT |
330 | } |
331 | ||
efeda8fa TD |
332 | static int rpaphp_drc_info_add_slot(struct device_node *dn) |
333 | { | |
334 | struct slot *slot; | |
335 | struct property *info; | |
336 | struct of_drc_info drc; | |
337 | char drc_name[MAX_DRC_NAME_LEN]; | |
338 | const __be32 *cur; | |
339 | u32 count; | |
340 | int retval = 0; | |
341 | ||
342 | info = of_find_property(dn, "ibm,drc-info", NULL); | |
343 | if (!info) | |
344 | return 0; | |
345 | ||
346 | cur = of_prop_next_u32(info, NULL, &count); | |
347 | if (cur) | |
348 | cur++; | |
349 | else | |
350 | return 0; | |
351 | ||
352 | of_read_drc_info_cell(&info, &cur, &drc); | |
353 | if (!is_php_type(drc.drc_type)) | |
354 | return 0; | |
355 | ||
356 | sprintf(drc_name, "%s%d", drc.drc_name_prefix, drc.drc_name_suffix_start); | |
357 | ||
358 | slot = alloc_slot_struct(dn, drc.drc_index_start, drc_name, drc.drc_power_domain); | |
359 | if (!slot) | |
360 | return -ENOMEM; | |
361 | ||
362 | slot->type = simple_strtoul(drc.drc_type, NULL, 10); | |
363 | retval = rpaphp_enable_slot(slot); | |
364 | if (!retval) | |
365 | retval = rpaphp_register_slot(slot); | |
366 | ||
367 | if (retval) | |
368 | dealloc_slot_struct(slot); | |
369 | ||
370 | return retval; | |
371 | } | |
372 | ||
373 | static int rpaphp_drc_add_slot(struct device_node *dn) | |
1da177e4 LT |
374 | { |
375 | struct slot *slot; | |
376 | int retval = 0; | |
56d8456b | 377 | int i; |
07376867 | 378 | const __be32 *indexes, *names, *types, *power_domains; |
1da177e4 LT |
379 | char *name, *type; |
380 | ||
da65944b | 381 | /* If this is not a hotplug slot, return without doing anything. */ |
bf8cbae4 LV |
382 | if (!is_php_dn(dn, &indexes, &names, &types, &power_domains)) |
383 | return 0; | |
384 | ||
b63773a8 | 385 | dbg("Entry %s: dn=%pOF\n", __func__, dn); |
1da177e4 | 386 | |
1da177e4 | 387 | /* register PCI devices */ |
bf8cbae4 LV |
388 | name = (char *) &names[1]; |
389 | type = (char *) &types[1]; | |
761ce533 LD |
390 | for (i = 0; i < be32_to_cpu(indexes[0]); i++) { |
391 | int index; | |
bf8cbae4 | 392 | |
761ce533 LD |
393 | index = be32_to_cpu(indexes[i + 1]); |
394 | slot = alloc_slot_struct(dn, index, name, | |
395 | be32_to_cpu(power_domains[i + 1])); | |
bf8cbae4 LV |
396 | if (!slot) |
397 | return -ENOMEM; | |
398 | ||
399 | slot->type = simple_strtoul(type, NULL, 10); | |
f7625980 | 400 | |
bf8cbae4 | 401 | dbg("Found drc-index:0x%x drc-name:%s drc-type:%s\n", |
761ce533 | 402 | index, name, type); |
1da177e4 | 403 | |
fea54b8c | 404 | retval = rpaphp_enable_slot(slot); |
6f79eb74 LV |
405 | if (!retval) |
406 | retval = rpaphp_register_slot(slot); | |
407 | ||
31be7586 LV |
408 | if (retval) |
409 | dealloc_slot_struct(slot); | |
410 | ||
bf8cbae4 LV |
411 | name += strlen(name) + 1; |
412 | type += strlen(type) + 1; | |
1da177e4 | 413 | } |
66bef8c0 | 414 | dbg("%s - Exit: rc[%d]\n", __func__, retval); |
31be7586 LV |
415 | |
416 | /* XXX FIXME: reports a failure only if last entry in loop failed */ | |
1da177e4 LT |
417 | return retval; |
418 | } | |
efeda8fa TD |
419 | |
420 | /** | |
421 | * rpaphp_add_slot -- declare a hotplug slot to the hotplug subsystem. | |
422 | * @dn: device node of slot | |
423 | * | |
424 | * This subroutine will register a hotpluggable slot with the | |
425 | * PCI hotplug infrastructure. This routine is typically called | |
426 | * during boot time, if the hotplug slots are present at boot time, | |
427 | * or is called later, by the dlpar add code, if the slot is | |
428 | * being dynamically added during runtime. | |
429 | * | |
430 | * If the device node points at an embedded (built-in) slot, this | |
431 | * routine will just return without doing anything, since embedded | |
432 | * slots cannot be hotplugged. | |
433 | * | |
434 | * To remove a slot, it suffices to call rpaphp_deregister_slot(). | |
435 | */ | |
436 | int rpaphp_add_slot(struct device_node *dn) | |
437 | { | |
438 | if (!dn->name || strcmp(dn->name, "pci")) | |
439 | return 0; | |
440 | ||
441 | if (of_find_property(dn, "ibm,drc-info", NULL)) | |
442 | return rpaphp_drc_info_add_slot(dn); | |
443 | else | |
444 | return rpaphp_drc_add_slot(dn); | |
445 | } | |
b7fe9434 | 446 | EXPORT_SYMBOL_GPL(rpaphp_add_slot); |
1da177e4 | 447 | |
1da177e4 LT |
448 | static void __exit cleanup_slots(void) |
449 | { | |
2ac83ccc | 450 | struct slot *slot, *next; |
1da177e4 LT |
451 | |
452 | /* | |
453 | * Unregister all of our slots with the pci_hotplug subsystem, | |
454 | * and free up all memory that we had allocated. | |
1da177e4 LT |
455 | */ |
456 | ||
2ac83ccc GT |
457 | list_for_each_entry_safe(slot, next, &rpaphp_slot_head, |
458 | rpaphp_slot_list) { | |
1da177e4 | 459 | list_del(&slot->rpaphp_slot_list); |
125450f8 | 460 | pci_hp_deregister(&slot->hotplug_slot); |
51bbf9be | 461 | dealloc_slot_struct(slot); |
1da177e4 | 462 | } |
1da177e4 LT |
463 | } |
464 | ||
465 | static int __init rpaphp_init(void) | |
466 | { | |
ccdb8ed3 | 467 | struct device_node *dn; |
5eeb8c63 | 468 | |
1da177e4 | 469 | info(DRIVER_DESC " version: " DRIVER_VERSION "\n"); |
5eeb8c63 | 470 | |
ccdb8ed3 | 471 | for_each_node_by_name(dn, "pci") |
5eeb8c63 JR |
472 | rpaphp_add_slot(dn); |
473 | ||
5eeb8c63 | 474 | return 0; |
1da177e4 LT |
475 | } |
476 | ||
477 | static void __exit rpaphp_exit(void) | |
478 | { | |
479 | cleanup_slots(); | |
480 | } | |
481 | ||
ac1f0e99 | 482 | static int enable_slot(struct hotplug_slot *hotplug_slot) |
1da177e4 | 483 | { |
125450f8 | 484 | struct slot *slot = to_slot(hotplug_slot); |
e06b80b7 | 485 | int state; |
486 | int retval; | |
1da177e4 | 487 | |
e06b80b7 | 488 | if (slot->state == CONFIGURED) |
489 | return 0; | |
490 | ||
491 | retval = rpaphp_get_sensor_state(slot, &state); | |
492 | if (retval) | |
493 | return retval; | |
494 | ||
495 | if (state == PRESENT) { | |
b6eebb09 | 496 | pseries_eeh_init_edev_recursive(PCI_DN(slot->dn)); |
a4b4f61d | 497 | |
c4ec84c7 | 498 | pci_lock_rescan_remove(); |
bd251b89 | 499 | pci_hp_add_devices(slot->bus); |
c4ec84c7 | 500 | pci_unlock_rescan_remove(); |
e06b80b7 | 501 | slot->state = CONFIGURED; |
502 | } else if (state == EMPTY) { | |
503 | slot->state = EMPTY; | |
504 | } else { | |
66bef8c0 | 505 | err("%s: slot[%s] is in invalid state\n", __func__, slot->name); |
e06b80b7 | 506 | slot->state = NOT_VALID; |
507 | return -EINVAL; | |
1da177e4 | 508 | } |
3749c51a MW |
509 | |
510 | slot->bus->max_bus_speed = get_max_bus_speed(slot); | |
e06b80b7 | 511 | return 0; |
512 | } | |
513 | ||
ac1f0e99 | 514 | static int disable_slot(struct hotplug_slot *hotplug_slot) |
e06b80b7 | 515 | { |
125450f8 | 516 | struct slot *slot = to_slot(hotplug_slot); |
8fe64399 | 517 | if (slot->state == NOT_CONFIGURED) |
518 | return -EINVAL; | |
1da177e4 | 519 | |
c4ec84c7 | 520 | pci_lock_rescan_remove(); |
bd251b89 | 521 | pci_hp_remove_devices(slot->bus); |
c4ec84c7 | 522 | pci_unlock_rescan_remove(); |
b4a26be9 BH |
523 | vm_unmap_aliases(); |
524 | ||
8fe64399 | 525 | slot->state = NOT_CONFIGURED; |
526 | return 0; | |
527 | } | |
528 | ||
81c4b5bf | 529 | const struct hotplug_slot_ops rpaphp_hotplug_slot_ops = { |
b64a71ab | 530 | .enable_slot = enable_slot, |
531 | .disable_slot = disable_slot, | |
532 | .set_attention_status = set_attention_status, | |
533 | .get_power_status = get_power_status, | |
534 | .get_attention_status = get_attention_status, | |
535 | .get_adapter_status = get_adapter_status, | |
b64a71ab | 536 | }; |
537 | ||
1da177e4 LT |
538 | module_init(rpaphp_init); |
539 | module_exit(rpaphp_exit); |