Commit | Line | Data |
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8808a793 | 1 | /* |
eb93b7df DW |
2 | * A hwmon driver for the IBM System Director Active Energy Manager (AEM) |
3 | * temperature/power/energy sensors and capping functionality. | |
8808a793 DW |
4 | * Copyright (C) 2008 IBM |
5 | * | |
6 | * Author: Darrick J. Wong <djwong@us.ibm.com> | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
21 | */ | |
22 | ||
55d705cc JP |
23 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
24 | ||
8808a793 DW |
25 | #include <linux/ipmi.h> |
26 | #include <linux/module.h> | |
27 | #include <linux/hwmon.h> | |
28 | #include <linux/hwmon-sysfs.h> | |
29 | #include <linux/jiffies.h> | |
30 | #include <linux/mutex.h> | |
31 | #include <linux/kdev_t.h> | |
32 | #include <linux/spinlock.h> | |
33 | #include <linux/idr.h> | |
5a0e3ad6 | 34 | #include <linux/slab.h> |
8808a793 DW |
35 | #include <linux/sched.h> |
36 | #include <linux/platform_device.h> | |
37 | #include <linux/math64.h> | |
38 | #include <linux/time.h> | |
39 | ||
40 | #define REFRESH_INTERVAL (HZ) | |
41 | #define IPMI_TIMEOUT (30 * HZ) | |
42 | #define DRVNAME "aem" | |
43 | ||
44 | #define AEM_NETFN 0x2E | |
45 | ||
46 | #define AEM_FIND_FW_CMD 0x80 | |
47 | #define AEM_ELEMENT_CMD 0x81 | |
48 | #define AEM_FW_INSTANCE_CMD 0x82 | |
49 | ||
50 | #define AEM_READ_ELEMENT_CFG 0x80 | |
51 | #define AEM_READ_BUFFER 0x81 | |
52 | #define AEM_READ_REGISTER 0x82 | |
53 | #define AEM_WRITE_REGISTER 0x83 | |
54 | #define AEM_SET_REG_MASK 0x84 | |
55 | #define AEM_CLEAR_REG_MASK 0x85 | |
56 | #define AEM_READ_ELEMENT_CFG2 0x86 | |
57 | ||
58 | #define AEM_CONTROL_ELEMENT 0 | |
59 | #define AEM_ENERGY_ELEMENT 1 | |
60 | #define AEM_CLOCK_ELEMENT 4 | |
61 | #define AEM_POWER_CAP_ELEMENT 7 | |
62 | #define AEM_EXHAUST_ELEMENT 9 | |
63 | #define AEM_POWER_ELEMENT 10 | |
64 | ||
65 | #define AEM_MODULE_TYPE_ID 0x0001 | |
66 | ||
67 | #define AEM2_NUM_ENERGY_REGS 2 | |
68 | #define AEM2_NUM_PCAP_REGS 6 | |
69 | #define AEM2_NUM_TEMP_REGS 2 | |
70 | #define AEM2_NUM_SENSORS 14 | |
71 | ||
72 | #define AEM1_NUM_ENERGY_REGS 1 | |
73 | #define AEM1_NUM_SENSORS 3 | |
74 | ||
75 | /* AEM 2.x has more energy registers */ | |
76 | #define AEM_NUM_ENERGY_REGS AEM2_NUM_ENERGY_REGS | |
77 | /* AEM 2.x needs more sensor files */ | |
78 | #define AEM_NUM_SENSORS AEM2_NUM_SENSORS | |
79 | ||
80 | #define POWER_CAP 0 | |
81 | #define POWER_CAP_MAX_HOTPLUG 1 | |
82 | #define POWER_CAP_MAX 2 | |
83 | #define POWER_CAP_MIN_WARNING 3 | |
84 | #define POWER_CAP_MIN 4 | |
85 | #define POWER_AUX 5 | |
86 | ||
87 | #define AEM_DEFAULT_POWER_INTERVAL 1000 | |
88 | #define AEM_MIN_POWER_INTERVAL 200 | |
89 | #define UJ_PER_MJ 1000L | |
90 | ||
65807044 | 91 | static DEFINE_IDA(aem_ida); |
8808a793 | 92 | |
fe2d5ffc DW |
93 | static struct platform_driver aem_driver = { |
94 | .driver = { | |
95 | .name = DRVNAME, | |
96 | .bus = &platform_bus_type, | |
97 | } | |
8808a793 DW |
98 | }; |
99 | ||
100 | struct aem_ipmi_data { | |
101 | struct completion read_complete; | |
102 | struct ipmi_addr address; | |
103 | ipmi_user_t user; | |
104 | int interface; | |
105 | ||
106 | struct kernel_ipmi_msg tx_message; | |
107 | long tx_msgid; | |
108 | ||
109 | void *rx_msg_data; | |
110 | unsigned short rx_msg_len; | |
111 | unsigned char rx_result; | |
112 | int rx_recv_type; | |
113 | ||
114 | struct device *bmc_device; | |
115 | }; | |
116 | ||
117 | struct aem_ro_sensor_template { | |
118 | char *label; | |
119 | ssize_t (*show)(struct device *dev, | |
120 | struct device_attribute *devattr, | |
121 | char *buf); | |
122 | int index; | |
123 | }; | |
124 | ||
125 | struct aem_rw_sensor_template { | |
126 | char *label; | |
127 | ssize_t (*show)(struct device *dev, | |
128 | struct device_attribute *devattr, | |
129 | char *buf); | |
130 | ssize_t (*set)(struct device *dev, | |
131 | struct device_attribute *devattr, | |
132 | const char *buf, size_t count); | |
133 | int index; | |
134 | }; | |
135 | ||
136 | struct aem_data { | |
137 | struct list_head list; | |
138 | ||
139 | struct device *hwmon_dev; | |
140 | struct platform_device *pdev; | |
141 | struct mutex lock; | |
142 | char valid; | |
143 | unsigned long last_updated; /* In jiffies */ | |
144 | u8 ver_major; | |
145 | u8 ver_minor; | |
146 | u8 module_handle; | |
147 | int id; | |
148 | struct aem_ipmi_data ipmi; | |
149 | ||
da8ebe4e | 150 | /* Function and buffer to update sensors */ |
8808a793 | 151 | void (*update)(struct aem_data *data); |
da8ebe4e | 152 | struct aem_read_sensor_resp *rs_resp; |
8808a793 DW |
153 | |
154 | /* | |
155 | * AEM 1.x sensors: | |
156 | * Available sensors: | |
157 | * Energy meter | |
158 | * Power meter | |
159 | * | |
160 | * AEM 2.x sensors: | |
161 | * Two energy meters | |
162 | * Two power meters | |
163 | * Two temperature sensors | |
164 | * Six power cap registers | |
165 | */ | |
166 | ||
167 | /* sysfs attrs */ | |
168 | struct sensor_device_attribute sensors[AEM_NUM_SENSORS]; | |
169 | ||
170 | /* energy use in mJ */ | |
171 | u64 energy[AEM_NUM_ENERGY_REGS]; | |
172 | ||
173 | /* power sampling interval in ms */ | |
174 | unsigned long power_period[AEM_NUM_ENERGY_REGS]; | |
175 | ||
176 | /* Everything past here is for AEM2 only */ | |
177 | ||
178 | /* power caps in dW */ | |
179 | u16 pcap[AEM2_NUM_PCAP_REGS]; | |
180 | ||
181 | /* exhaust temperature in C */ | |
182 | u8 temp[AEM2_NUM_TEMP_REGS]; | |
183 | }; | |
184 | ||
185 | /* Data structures returned by the AEM firmware */ | |
186 | struct aem_iana_id { | |
187 | u8 bytes[3]; | |
188 | }; | |
189 | static struct aem_iana_id system_x_id = { | |
190 | .bytes = {0x4D, 0x4F, 0x00} | |
191 | }; | |
192 | ||
193 | /* These are used to find AEM1 instances */ | |
194 | struct aem_find_firmware_req { | |
195 | struct aem_iana_id id; | |
196 | u8 rsvd; | |
a064d5bd AV |
197 | __be16 index; |
198 | __be16 module_type_id; | |
8808a793 DW |
199 | } __packed; |
200 | ||
201 | struct aem_find_firmware_resp { | |
202 | struct aem_iana_id id; | |
203 | u8 num_instances; | |
204 | } __packed; | |
205 | ||
206 | /* These are used to find AEM2 instances */ | |
207 | struct aem_find_instance_req { | |
208 | struct aem_iana_id id; | |
209 | u8 instance_number; | |
a064d5bd | 210 | __be16 module_type_id; |
8808a793 DW |
211 | } __packed; |
212 | ||
213 | struct aem_find_instance_resp { | |
214 | struct aem_iana_id id; | |
215 | u8 num_instances; | |
216 | u8 major; | |
217 | u8 minor; | |
218 | u8 module_handle; | |
219 | u16 record_id; | |
220 | } __packed; | |
221 | ||
222 | /* These are used to query sensors */ | |
223 | struct aem_read_sensor_req { | |
224 | struct aem_iana_id id; | |
225 | u8 module_handle; | |
226 | u8 element; | |
227 | u8 subcommand; | |
228 | u8 reg; | |
229 | u8 rx_buf_size; | |
230 | } __packed; | |
231 | ||
232 | struct aem_read_sensor_resp { | |
233 | struct aem_iana_id id; | |
234 | u8 bytes[0]; | |
235 | } __packed; | |
236 | ||
237 | /* Data structures to talk to the IPMI layer */ | |
238 | struct aem_driver_data { | |
239 | struct list_head aem_devices; | |
240 | struct ipmi_smi_watcher bmc_events; | |
241 | struct ipmi_user_hndl ipmi_hndlrs; | |
242 | }; | |
243 | ||
244 | static void aem_register_bmc(int iface, struct device *dev); | |
245 | static void aem_bmc_gone(int iface); | |
246 | static void aem_msg_handler(struct ipmi_recv_msg *msg, void *user_msg_data); | |
247 | ||
248 | static void aem_remove_sensors(struct aem_data *data); | |
8808a793 DW |
249 | static int aem1_find_sensors(struct aem_data *data); |
250 | static int aem2_find_sensors(struct aem_data *data); | |
251 | static void update_aem1_sensors(struct aem_data *data); | |
252 | static void update_aem2_sensors(struct aem_data *data); | |
253 | ||
254 | static struct aem_driver_data driver_data = { | |
255 | .aem_devices = LIST_HEAD_INIT(driver_data.aem_devices), | |
256 | .bmc_events = { | |
257 | .owner = THIS_MODULE, | |
258 | .new_smi = aem_register_bmc, | |
259 | .smi_gone = aem_bmc_gone, | |
260 | }, | |
261 | .ipmi_hndlrs = { | |
262 | .ipmi_recv_hndl = aem_msg_handler, | |
263 | }, | |
264 | }; | |
265 | ||
266 | /* Functions to talk to the IPMI layer */ | |
267 | ||
268 | /* Initialize IPMI address, message buffers and user data */ | |
269 | static int aem_init_ipmi_data(struct aem_ipmi_data *data, int iface, | |
270 | struct device *bmc) | |
271 | { | |
272 | int err; | |
273 | ||
274 | init_completion(&data->read_complete); | |
275 | data->bmc_device = bmc; | |
276 | ||
277 | /* Initialize IPMI address */ | |
278 | data->address.addr_type = IPMI_SYSTEM_INTERFACE_ADDR_TYPE; | |
279 | data->address.channel = IPMI_BMC_CHANNEL; | |
280 | data->address.data[0] = 0; | |
281 | data->interface = iface; | |
282 | ||
283 | /* Initialize message buffers */ | |
284 | data->tx_msgid = 0; | |
285 | data->tx_message.netfn = AEM_NETFN; | |
286 | ||
287 | /* Create IPMI messaging interface user */ | |
288 | err = ipmi_create_user(data->interface, &driver_data.ipmi_hndlrs, | |
289 | data, &data->user); | |
290 | if (err < 0) { | |
291 | dev_err(bmc, "Unable to register user with IPMI " | |
292 | "interface %d\n", data->interface); | |
293 | return -EACCES; | |
294 | } | |
295 | ||
296 | return 0; | |
297 | } | |
298 | ||
299 | /* Send an IPMI command */ | |
300 | static int aem_send_message(struct aem_ipmi_data *data) | |
301 | { | |
302 | int err; | |
303 | ||
304 | err = ipmi_validate_addr(&data->address, sizeof(data->address)); | |
305 | if (err) | |
306 | goto out; | |
307 | ||
308 | data->tx_msgid++; | |
309 | err = ipmi_request_settime(data->user, &data->address, data->tx_msgid, | |
310 | &data->tx_message, data, 0, 0, 0); | |
311 | if (err) | |
312 | goto out1; | |
313 | ||
314 | return 0; | |
315 | out1: | |
316 | dev_err(data->bmc_device, "request_settime=%x\n", err); | |
317 | return err; | |
318 | out: | |
319 | dev_err(data->bmc_device, "validate_addr=%x\n", err); | |
320 | return err; | |
321 | } | |
322 | ||
323 | /* Dispatch IPMI messages to callers */ | |
324 | static void aem_msg_handler(struct ipmi_recv_msg *msg, void *user_msg_data) | |
325 | { | |
326 | unsigned short rx_len; | |
327 | struct aem_ipmi_data *data = user_msg_data; | |
328 | ||
329 | if (msg->msgid != data->tx_msgid) { | |
330 | dev_err(data->bmc_device, "Mismatch between received msgid " | |
331 | "(%02x) and transmitted msgid (%02x)!\n", | |
332 | (int)msg->msgid, | |
333 | (int)data->tx_msgid); | |
334 | ipmi_free_recv_msg(msg); | |
335 | return; | |
336 | } | |
337 | ||
338 | data->rx_recv_type = msg->recv_type; | |
339 | if (msg->msg.data_len > 0) | |
340 | data->rx_result = msg->msg.data[0]; | |
341 | else | |
342 | data->rx_result = IPMI_UNKNOWN_ERR_COMPLETION_CODE; | |
343 | ||
344 | if (msg->msg.data_len > 1) { | |
345 | rx_len = msg->msg.data_len - 1; | |
346 | if (data->rx_msg_len < rx_len) | |
347 | rx_len = data->rx_msg_len; | |
348 | data->rx_msg_len = rx_len; | |
349 | memcpy(data->rx_msg_data, msg->msg.data + 1, data->rx_msg_len); | |
350 | } else | |
351 | data->rx_msg_len = 0; | |
352 | ||
353 | ipmi_free_recv_msg(msg); | |
354 | complete(&data->read_complete); | |
355 | } | |
356 | ||
8808a793 DW |
357 | /* Sensor support functions */ |
358 | ||
da8ebe4e | 359 | /* Read a sensor value; must be called with data->lock held */ |
8808a793 DW |
360 | static int aem_read_sensor(struct aem_data *data, u8 elt, u8 reg, |
361 | void *buf, size_t size) | |
362 | { | |
363 | int rs_size, res; | |
364 | struct aem_read_sensor_req rs_req; | |
da8ebe4e JD |
365 | /* Use preallocated rx buffer */ |
366 | struct aem_read_sensor_resp *rs_resp = data->rs_resp; | |
8808a793 DW |
367 | struct aem_ipmi_data *ipmi = &data->ipmi; |
368 | ||
369 | /* AEM registers are 1, 2, 4 or 8 bytes */ | |
370 | switch (size) { | |
371 | case 1: | |
372 | case 2: | |
373 | case 4: | |
374 | case 8: | |
375 | break; | |
376 | default: | |
377 | return -EINVAL; | |
378 | } | |
379 | ||
380 | rs_req.id = system_x_id; | |
381 | rs_req.module_handle = data->module_handle; | |
382 | rs_req.element = elt; | |
383 | rs_req.subcommand = AEM_READ_REGISTER; | |
384 | rs_req.reg = reg; | |
385 | rs_req.rx_buf_size = size; | |
386 | ||
387 | ipmi->tx_message.cmd = AEM_ELEMENT_CMD; | |
388 | ipmi->tx_message.data = (char *)&rs_req; | |
389 | ipmi->tx_message.data_len = sizeof(rs_req); | |
390 | ||
391 | rs_size = sizeof(*rs_resp) + size; | |
8808a793 DW |
392 | ipmi->rx_msg_data = rs_resp; |
393 | ipmi->rx_msg_len = rs_size; | |
394 | ||
395 | aem_send_message(ipmi); | |
396 | ||
397 | res = wait_for_completion_timeout(&ipmi->read_complete, IPMI_TIMEOUT); | |
66a89b21 JL |
398 | if (!res) { |
399 | res = -ETIMEDOUT; | |
400 | goto out; | |
401 | } | |
8808a793 DW |
402 | |
403 | if (ipmi->rx_result || ipmi->rx_msg_len != rs_size || | |
404 | memcmp(&rs_resp->id, &system_x_id, sizeof(system_x_id))) { | |
66a89b21 JL |
405 | res = -ENOENT; |
406 | goto out; | |
8808a793 DW |
407 | } |
408 | ||
409 | switch (size) { | |
410 | case 1: { | |
411 | u8 *x = buf; | |
412 | *x = rs_resp->bytes[0]; | |
413 | break; | |
414 | } | |
415 | case 2: { | |
416 | u16 *x = buf; | |
a064d5bd | 417 | *x = be16_to_cpup((__be16 *)rs_resp->bytes); |
8808a793 DW |
418 | break; |
419 | } | |
420 | case 4: { | |
421 | u32 *x = buf; | |
a064d5bd | 422 | *x = be32_to_cpup((__be32 *)rs_resp->bytes); |
8808a793 DW |
423 | break; |
424 | } | |
425 | case 8: { | |
426 | u64 *x = buf; | |
a064d5bd | 427 | *x = be64_to_cpup((__be64 *)rs_resp->bytes); |
8808a793 DW |
428 | break; |
429 | } | |
430 | } | |
66a89b21 | 431 | res = 0; |
8808a793 | 432 | |
66a89b21 | 433 | out: |
66a89b21 | 434 | return res; |
8808a793 DW |
435 | } |
436 | ||
437 | /* Update AEM energy registers */ | |
bb15e7f2 DW |
438 | static void update_aem_energy_one(struct aem_data *data, int which) |
439 | { | |
440 | aem_read_sensor(data, AEM_ENERGY_ELEMENT, which, | |
441 | &data->energy[which], 8); | |
442 | } | |
443 | ||
8808a793 DW |
444 | static void update_aem_energy(struct aem_data *data) |
445 | { | |
bb15e7f2 | 446 | update_aem_energy_one(data, 0); |
8808a793 DW |
447 | if (data->ver_major < 2) |
448 | return; | |
bb15e7f2 | 449 | update_aem_energy_one(data, 1); |
8808a793 DW |
450 | } |
451 | ||
452 | /* Update all AEM1 sensors */ | |
453 | static void update_aem1_sensors(struct aem_data *data) | |
454 | { | |
455 | mutex_lock(&data->lock); | |
456 | if (time_before(jiffies, data->last_updated + REFRESH_INTERVAL) && | |
457 | data->valid) | |
458 | goto out; | |
459 | ||
460 | update_aem_energy(data); | |
461 | out: | |
462 | mutex_unlock(&data->lock); | |
463 | } | |
464 | ||
465 | /* Update all AEM2 sensors */ | |
466 | static void update_aem2_sensors(struct aem_data *data) | |
467 | { | |
468 | int i; | |
469 | ||
470 | mutex_lock(&data->lock); | |
471 | if (time_before(jiffies, data->last_updated + REFRESH_INTERVAL) && | |
472 | data->valid) | |
473 | goto out; | |
474 | ||
475 | update_aem_energy(data); | |
476 | aem_read_sensor(data, AEM_EXHAUST_ELEMENT, 0, &data->temp[0], 1); | |
477 | aem_read_sensor(data, AEM_EXHAUST_ELEMENT, 1, &data->temp[1], 1); | |
478 | ||
479 | for (i = POWER_CAP; i <= POWER_AUX; i++) | |
480 | aem_read_sensor(data, AEM_POWER_CAP_ELEMENT, i, | |
481 | &data->pcap[i], 2); | |
482 | out: | |
483 | mutex_unlock(&data->lock); | |
484 | } | |
485 | ||
486 | /* Delete an AEM instance */ | |
487 | static void aem_delete(struct aem_data *data) | |
488 | { | |
489 | list_del(&data->list); | |
490 | aem_remove_sensors(data); | |
da8ebe4e | 491 | kfree(data->rs_resp); |
8808a793 DW |
492 | hwmon_device_unregister(data->hwmon_dev); |
493 | ipmi_destroy_user(data->ipmi.user); | |
95de3b25 | 494 | platform_set_drvdata(data->pdev, NULL); |
8808a793 | 495 | platform_device_unregister(data->pdev); |
65807044 | 496 | ida_simple_remove(&aem_ida, data->id); |
8808a793 DW |
497 | kfree(data); |
498 | } | |
499 | ||
500 | /* Probe functions for AEM1 devices */ | |
501 | ||
502 | /* Retrieve version and module handle for an AEM1 instance */ | |
503 | static int aem_find_aem1_count(struct aem_ipmi_data *data) | |
504 | { | |
505 | int res; | |
506 | struct aem_find_firmware_req ff_req; | |
507 | struct aem_find_firmware_resp ff_resp; | |
508 | ||
509 | ff_req.id = system_x_id; | |
510 | ff_req.index = 0; | |
511 | ff_req.module_type_id = cpu_to_be16(AEM_MODULE_TYPE_ID); | |
512 | ||
513 | data->tx_message.cmd = AEM_FIND_FW_CMD; | |
514 | data->tx_message.data = (char *)&ff_req; | |
515 | data->tx_message.data_len = sizeof(ff_req); | |
516 | ||
517 | data->rx_msg_data = &ff_resp; | |
518 | data->rx_msg_len = sizeof(ff_resp); | |
519 | ||
520 | aem_send_message(data); | |
521 | ||
522 | res = wait_for_completion_timeout(&data->read_complete, IPMI_TIMEOUT); | |
523 | if (!res) | |
524 | return -ETIMEDOUT; | |
525 | ||
526 | if (data->rx_result || data->rx_msg_len != sizeof(ff_resp) || | |
527 | memcmp(&ff_resp.id, &system_x_id, sizeof(system_x_id))) | |
528 | return -ENOENT; | |
529 | ||
530 | return ff_resp.num_instances; | |
531 | } | |
532 | ||
533 | /* Find and initialize one AEM1 instance */ | |
534 | static int aem_init_aem1_inst(struct aem_ipmi_data *probe, u8 module_handle) | |
535 | { | |
536 | struct aem_data *data; | |
537 | int i; | |
538 | int res = -ENOMEM; | |
539 | ||
540 | data = kzalloc(sizeof(*data), GFP_KERNEL); | |
541 | if (!data) | |
542 | return res; | |
543 | mutex_init(&data->lock); | |
544 | ||
545 | /* Copy instance data */ | |
546 | data->ver_major = 1; | |
547 | data->ver_minor = 0; | |
548 | data->module_handle = module_handle; | |
549 | for (i = 0; i < AEM1_NUM_ENERGY_REGS; i++) | |
550 | data->power_period[i] = AEM_DEFAULT_POWER_INTERVAL; | |
551 | ||
552 | /* Create sub-device for this fw instance */ | |
65807044 JC |
553 | data->id = ida_simple_get(&aem_ida, 0, 0, GFP_KERNEL); |
554 | if (data->id < 0) | |
8808a793 DW |
555 | goto id_err; |
556 | ||
557 | data->pdev = platform_device_alloc(DRVNAME, data->id); | |
558 | if (!data->pdev) | |
559 | goto dev_err; | |
fe2d5ffc | 560 | data->pdev->dev.driver = &aem_driver.driver; |
8808a793 DW |
561 | |
562 | res = platform_device_add(data->pdev); | |
563 | if (res) | |
564 | goto ipmi_err; | |
565 | ||
95de3b25 | 566 | platform_set_drvdata(data->pdev, data); |
8808a793 DW |
567 | |
568 | /* Set up IPMI interface */ | |
547a1c99 JD |
569 | res = aem_init_ipmi_data(&data->ipmi, probe->interface, |
570 | probe->bmc_device); | |
571 | if (res) | |
8808a793 DW |
572 | goto ipmi_err; |
573 | ||
574 | /* Register with hwmon */ | |
575 | data->hwmon_dev = hwmon_device_register(&data->pdev->dev); | |
8808a793 DW |
576 | if (IS_ERR(data->hwmon_dev)) { |
577 | dev_err(&data->pdev->dev, "Unable to register hwmon " | |
578 | "device for IPMI interface %d\n", | |
579 | probe->interface); | |
547a1c99 | 580 | res = PTR_ERR(data->hwmon_dev); |
8808a793 DW |
581 | goto hwmon_reg_err; |
582 | } | |
583 | ||
584 | data->update = update_aem1_sensors; | |
da8ebe4e JD |
585 | data->rs_resp = kzalloc(sizeof(*(data->rs_resp)) + 8, GFP_KERNEL); |
586 | if (!data->rs_resp) { | |
587 | res = -ENOMEM; | |
588 | goto alloc_resp_err; | |
589 | } | |
8808a793 DW |
590 | |
591 | /* Find sensors */ | |
547a1c99 JD |
592 | res = aem1_find_sensors(data); |
593 | if (res) | |
8808a793 DW |
594 | goto sensor_err; |
595 | ||
596 | /* Add to our list of AEM devices */ | |
597 | list_add_tail(&data->list, &driver_data.aem_devices); | |
598 | ||
599 | dev_info(data->ipmi.bmc_device, "Found AEM v%d.%d at 0x%X\n", | |
600 | data->ver_major, data->ver_minor, | |
601 | data->module_handle); | |
602 | return 0; | |
603 | ||
604 | sensor_err: | |
da8ebe4e JD |
605 | kfree(data->rs_resp); |
606 | alloc_resp_err: | |
8808a793 DW |
607 | hwmon_device_unregister(data->hwmon_dev); |
608 | hwmon_reg_err: | |
609 | ipmi_destroy_user(data->ipmi.user); | |
610 | ipmi_err: | |
95de3b25 | 611 | platform_set_drvdata(data->pdev, NULL); |
8808a793 DW |
612 | platform_device_unregister(data->pdev); |
613 | dev_err: | |
65807044 | 614 | ida_simple_remove(&aem_ida, data->id); |
8808a793 DW |
615 | id_err: |
616 | kfree(data); | |
617 | ||
618 | return res; | |
619 | } | |
620 | ||
621 | /* Find and initialize all AEM1 instances */ | |
9d84c9e8 | 622 | static void aem_init_aem1(struct aem_ipmi_data *probe) |
8808a793 DW |
623 | { |
624 | int num, i, err; | |
625 | ||
626 | num = aem_find_aem1_count(probe); | |
627 | for (i = 0; i < num; i++) { | |
628 | err = aem_init_aem1_inst(probe, i); | |
629 | if (err) { | |
630 | dev_err(probe->bmc_device, | |
631 | "Error %d initializing AEM1 0x%X\n", | |
632 | err, i); | |
8808a793 DW |
633 | } |
634 | } | |
8808a793 DW |
635 | } |
636 | ||
637 | /* Probe functions for AEM2 devices */ | |
638 | ||
639 | /* Retrieve version and module handle for an AEM2 instance */ | |
640 | static int aem_find_aem2(struct aem_ipmi_data *data, | |
641 | struct aem_find_instance_resp *fi_resp, | |
642 | int instance_num) | |
643 | { | |
644 | int res; | |
645 | struct aem_find_instance_req fi_req; | |
646 | ||
647 | fi_req.id = system_x_id; | |
648 | fi_req.instance_number = instance_num; | |
649 | fi_req.module_type_id = cpu_to_be16(AEM_MODULE_TYPE_ID); | |
650 | ||
651 | data->tx_message.cmd = AEM_FW_INSTANCE_CMD; | |
652 | data->tx_message.data = (char *)&fi_req; | |
653 | data->tx_message.data_len = sizeof(fi_req); | |
654 | ||
655 | data->rx_msg_data = fi_resp; | |
656 | data->rx_msg_len = sizeof(*fi_resp); | |
657 | ||
658 | aem_send_message(data); | |
659 | ||
660 | res = wait_for_completion_timeout(&data->read_complete, IPMI_TIMEOUT); | |
661 | if (!res) | |
662 | return -ETIMEDOUT; | |
663 | ||
664 | if (data->rx_result || data->rx_msg_len != sizeof(*fi_resp) || | |
9c5413ea DW |
665 | memcmp(&fi_resp->id, &system_x_id, sizeof(system_x_id)) || |
666 | fi_resp->num_instances <= instance_num) | |
8808a793 DW |
667 | return -ENOENT; |
668 | ||
669 | return 0; | |
670 | } | |
671 | ||
672 | /* Find and initialize one AEM2 instance */ | |
673 | static int aem_init_aem2_inst(struct aem_ipmi_data *probe, | |
674 | struct aem_find_instance_resp *fi_resp) | |
675 | { | |
676 | struct aem_data *data; | |
677 | int i; | |
678 | int res = -ENOMEM; | |
679 | ||
680 | data = kzalloc(sizeof(*data), GFP_KERNEL); | |
681 | if (!data) | |
682 | return res; | |
683 | mutex_init(&data->lock); | |
684 | ||
685 | /* Copy instance data */ | |
686 | data->ver_major = fi_resp->major; | |
687 | data->ver_minor = fi_resp->minor; | |
688 | data->module_handle = fi_resp->module_handle; | |
689 | for (i = 0; i < AEM2_NUM_ENERGY_REGS; i++) | |
690 | data->power_period[i] = AEM_DEFAULT_POWER_INTERVAL; | |
691 | ||
692 | /* Create sub-device for this fw instance */ | |
65807044 JC |
693 | data->id = ida_simple_get(&aem_ida, 0, 0, GFP_KERNEL); |
694 | if (data->id < 0) | |
8808a793 DW |
695 | goto id_err; |
696 | ||
697 | data->pdev = platform_device_alloc(DRVNAME, data->id); | |
698 | if (!data->pdev) | |
699 | goto dev_err; | |
fe2d5ffc | 700 | data->pdev->dev.driver = &aem_driver.driver; |
8808a793 DW |
701 | |
702 | res = platform_device_add(data->pdev); | |
703 | if (res) | |
704 | goto ipmi_err; | |
705 | ||
95de3b25 | 706 | platform_set_drvdata(data->pdev, data); |
8808a793 DW |
707 | |
708 | /* Set up IPMI interface */ | |
547a1c99 JD |
709 | res = aem_init_ipmi_data(&data->ipmi, probe->interface, |
710 | probe->bmc_device); | |
711 | if (res) | |
8808a793 DW |
712 | goto ipmi_err; |
713 | ||
714 | /* Register with hwmon */ | |
715 | data->hwmon_dev = hwmon_device_register(&data->pdev->dev); | |
8808a793 DW |
716 | if (IS_ERR(data->hwmon_dev)) { |
717 | dev_err(&data->pdev->dev, "Unable to register hwmon " | |
718 | "device for IPMI interface %d\n", | |
719 | probe->interface); | |
547a1c99 | 720 | res = PTR_ERR(data->hwmon_dev); |
8808a793 DW |
721 | goto hwmon_reg_err; |
722 | } | |
723 | ||
724 | data->update = update_aem2_sensors; | |
da8ebe4e JD |
725 | data->rs_resp = kzalloc(sizeof(*(data->rs_resp)) + 8, GFP_KERNEL); |
726 | if (!data->rs_resp) { | |
727 | res = -ENOMEM; | |
728 | goto alloc_resp_err; | |
729 | } | |
8808a793 DW |
730 | |
731 | /* Find sensors */ | |
547a1c99 JD |
732 | res = aem2_find_sensors(data); |
733 | if (res) | |
8808a793 DW |
734 | goto sensor_err; |
735 | ||
736 | /* Add to our list of AEM devices */ | |
737 | list_add_tail(&data->list, &driver_data.aem_devices); | |
738 | ||
739 | dev_info(data->ipmi.bmc_device, "Found AEM v%d.%d at 0x%X\n", | |
740 | data->ver_major, data->ver_minor, | |
741 | data->module_handle); | |
742 | return 0; | |
743 | ||
744 | sensor_err: | |
da8ebe4e JD |
745 | kfree(data->rs_resp); |
746 | alloc_resp_err: | |
8808a793 DW |
747 | hwmon_device_unregister(data->hwmon_dev); |
748 | hwmon_reg_err: | |
749 | ipmi_destroy_user(data->ipmi.user); | |
750 | ipmi_err: | |
95de3b25 | 751 | platform_set_drvdata(data->pdev, NULL); |
8808a793 DW |
752 | platform_device_unregister(data->pdev); |
753 | dev_err: | |
65807044 | 754 | ida_simple_remove(&aem_ida, data->id); |
8808a793 DW |
755 | id_err: |
756 | kfree(data); | |
757 | ||
758 | return res; | |
759 | } | |
760 | ||
761 | /* Find and initialize all AEM2 instances */ | |
9d84c9e8 | 762 | static void aem_init_aem2(struct aem_ipmi_data *probe) |
8808a793 DW |
763 | { |
764 | struct aem_find_instance_resp fi_resp; | |
765 | int err; | |
766 | int i = 0; | |
767 | ||
768 | while (!aem_find_aem2(probe, &fi_resp, i)) { | |
769 | if (fi_resp.major != 2) { | |
770 | dev_err(probe->bmc_device, "Unknown AEM v%d; please " | |
771 | "report this to the maintainer.\n", | |
772 | fi_resp.major); | |
773 | i++; | |
774 | continue; | |
775 | } | |
776 | err = aem_init_aem2_inst(probe, &fi_resp); | |
777 | if (err) { | |
778 | dev_err(probe->bmc_device, | |
779 | "Error %d initializing AEM2 0x%X\n", | |
780 | err, fi_resp.module_handle); | |
8808a793 DW |
781 | } |
782 | i++; | |
783 | } | |
8808a793 DW |
784 | } |
785 | ||
786 | /* Probe a BMC for AEM firmware instances */ | |
787 | static void aem_register_bmc(int iface, struct device *dev) | |
788 | { | |
789 | struct aem_ipmi_data probe; | |
790 | ||
791 | if (aem_init_ipmi_data(&probe, iface, dev)) | |
792 | return; | |
793 | ||
794 | /* Ignore probe errors; they won't cause problems */ | |
795 | aem_init_aem1(&probe); | |
796 | aem_init_aem2(&probe); | |
797 | ||
798 | ipmi_destroy_user(probe.user); | |
799 | } | |
800 | ||
801 | /* Handle BMC deletion */ | |
802 | static void aem_bmc_gone(int iface) | |
803 | { | |
804 | struct aem_data *p1, *next1; | |
805 | ||
806 | list_for_each_entry_safe(p1, next1, &driver_data.aem_devices, list) | |
807 | if (p1->ipmi.interface == iface) | |
808 | aem_delete(p1); | |
809 | } | |
810 | ||
811 | /* sysfs support functions */ | |
812 | ||
813 | /* AEM device name */ | |
814 | static ssize_t show_name(struct device *dev, struct device_attribute *devattr, | |
815 | char *buf) | |
816 | { | |
817 | struct aem_data *data = dev_get_drvdata(dev); | |
818 | ||
819 | return sprintf(buf, "%s%d\n", DRVNAME, data->ver_major); | |
820 | } | |
821 | static SENSOR_DEVICE_ATTR(name, S_IRUGO, show_name, NULL, 0); | |
822 | ||
823 | /* AEM device version */ | |
824 | static ssize_t show_version(struct device *dev, | |
825 | struct device_attribute *devattr, | |
826 | char *buf) | |
827 | { | |
828 | struct aem_data *data = dev_get_drvdata(dev); | |
829 | ||
830 | return sprintf(buf, "%d.%d\n", data->ver_major, data->ver_minor); | |
831 | } | |
832 | static SENSOR_DEVICE_ATTR(version, S_IRUGO, show_version, NULL, 0); | |
833 | ||
834 | /* Display power use */ | |
835 | static ssize_t aem_show_power(struct device *dev, | |
836 | struct device_attribute *devattr, | |
837 | char *buf) | |
838 | { | |
839 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
840 | struct aem_data *data = dev_get_drvdata(dev); | |
841 | u64 before, after, delta, time; | |
842 | signed long leftover; | |
843 | struct timespec b, a; | |
844 | ||
845 | mutex_lock(&data->lock); | |
bb15e7f2 | 846 | update_aem_energy_one(data, attr->index); |
8808a793 DW |
847 | getnstimeofday(&b); |
848 | before = data->energy[attr->index]; | |
849 | ||
850 | leftover = schedule_timeout_interruptible( | |
851 | msecs_to_jiffies(data->power_period[attr->index]) | |
852 | ); | |
853 | if (leftover) { | |
854 | mutex_unlock(&data->lock); | |
855 | return 0; | |
856 | } | |
857 | ||
bb15e7f2 | 858 | update_aem_energy_one(data, attr->index); |
8808a793 DW |
859 | getnstimeofday(&a); |
860 | after = data->energy[attr->index]; | |
861 | mutex_unlock(&data->lock); | |
862 | ||
863 | time = timespec_to_ns(&a) - timespec_to_ns(&b); | |
864 | delta = (after - before) * UJ_PER_MJ; | |
865 | ||
866 | return sprintf(buf, "%llu\n", | |
867 | (unsigned long long)div64_u64(delta * NSEC_PER_SEC, time)); | |
868 | } | |
869 | ||
870 | /* Display energy use */ | |
871 | static ssize_t aem_show_energy(struct device *dev, | |
872 | struct device_attribute *devattr, | |
873 | char *buf) | |
874 | { | |
875 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
876 | struct aem_data *a = dev_get_drvdata(dev); | |
bb15e7f2 DW |
877 | mutex_lock(&a->lock); |
878 | update_aem_energy_one(a, attr->index); | |
879 | mutex_unlock(&a->lock); | |
8808a793 DW |
880 | |
881 | return sprintf(buf, "%llu\n", | |
882 | (unsigned long long)a->energy[attr->index] * 1000); | |
883 | } | |
884 | ||
885 | /* Display power interval registers */ | |
886 | static ssize_t aem_show_power_period(struct device *dev, | |
887 | struct device_attribute *devattr, | |
888 | char *buf) | |
889 | { | |
890 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
891 | struct aem_data *a = dev_get_drvdata(dev); | |
892 | a->update(a); | |
893 | ||
894 | return sprintf(buf, "%lu\n", a->power_period[attr->index]); | |
895 | } | |
896 | ||
897 | /* Set power interval registers */ | |
898 | static ssize_t aem_set_power_period(struct device *dev, | |
899 | struct device_attribute *devattr, | |
900 | const char *buf, size_t count) | |
901 | { | |
902 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
903 | struct aem_data *a = dev_get_drvdata(dev); | |
904 | unsigned long temp; | |
905 | int res; | |
906 | ||
179c4fdb | 907 | res = kstrtoul(buf, 10, &temp); |
8808a793 DW |
908 | if (res) |
909 | return res; | |
910 | ||
911 | if (temp < AEM_MIN_POWER_INTERVAL) | |
912 | return -EINVAL; | |
913 | ||
914 | mutex_lock(&a->lock); | |
915 | a->power_period[attr->index] = temp; | |
916 | mutex_unlock(&a->lock); | |
917 | ||
918 | return count; | |
919 | } | |
920 | ||
921 | /* Discover sensors on an AEM device */ | |
922 | static int aem_register_sensors(struct aem_data *data, | |
923 | struct aem_ro_sensor_template *ro, | |
924 | struct aem_rw_sensor_template *rw) | |
925 | { | |
926 | struct device *dev = &data->pdev->dev; | |
927 | struct sensor_device_attribute *sensors = data->sensors; | |
928 | int err; | |
929 | ||
930 | /* Set up read-only sensors */ | |
931 | while (ro->label) { | |
3cdb2052 | 932 | sysfs_attr_init(&sensors->dev_attr.attr); |
8808a793 DW |
933 | sensors->dev_attr.attr.name = ro->label; |
934 | sensors->dev_attr.attr.mode = S_IRUGO; | |
935 | sensors->dev_attr.show = ro->show; | |
936 | sensors->index = ro->index; | |
937 | ||
938 | err = device_create_file(dev, &sensors->dev_attr); | |
939 | if (err) { | |
940 | sensors->dev_attr.attr.name = NULL; | |
941 | goto error; | |
942 | } | |
943 | sensors++; | |
944 | ro++; | |
945 | } | |
946 | ||
947 | /* Set up read-write sensors */ | |
948 | while (rw->label) { | |
3cdb2052 | 949 | sysfs_attr_init(&sensors->dev_attr.attr); |
8808a793 DW |
950 | sensors->dev_attr.attr.name = rw->label; |
951 | sensors->dev_attr.attr.mode = S_IRUGO | S_IWUSR; | |
952 | sensors->dev_attr.show = rw->show; | |
953 | sensors->dev_attr.store = rw->set; | |
954 | sensors->index = rw->index; | |
955 | ||
956 | err = device_create_file(dev, &sensors->dev_attr); | |
957 | if (err) { | |
958 | sensors->dev_attr.attr.name = NULL; | |
959 | goto error; | |
960 | } | |
961 | sensors++; | |
962 | rw++; | |
963 | } | |
964 | ||
965 | err = device_create_file(dev, &sensor_dev_attr_name.dev_attr); | |
966 | if (err) | |
967 | goto error; | |
968 | err = device_create_file(dev, &sensor_dev_attr_version.dev_attr); | |
969 | return err; | |
970 | ||
971 | error: | |
972 | aem_remove_sensors(data); | |
973 | return err; | |
974 | } | |
975 | ||
976 | /* sysfs support functions for AEM2 sensors */ | |
977 | ||
978 | /* Display temperature use */ | |
979 | static ssize_t aem2_show_temp(struct device *dev, | |
980 | struct device_attribute *devattr, | |
981 | char *buf) | |
982 | { | |
983 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
984 | struct aem_data *a = dev_get_drvdata(dev); | |
985 | a->update(a); | |
986 | ||
987 | return sprintf(buf, "%u\n", a->temp[attr->index] * 1000); | |
988 | } | |
989 | ||
990 | /* Display power-capping registers */ | |
991 | static ssize_t aem2_show_pcap_value(struct device *dev, | |
992 | struct device_attribute *devattr, | |
993 | char *buf) | |
994 | { | |
995 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
996 | struct aem_data *a = dev_get_drvdata(dev); | |
997 | a->update(a); | |
998 | ||
999 | return sprintf(buf, "%u\n", a->pcap[attr->index] * 100000); | |
1000 | } | |
1001 | ||
1002 | /* Remove sensors attached to an AEM device */ | |
1003 | static void aem_remove_sensors(struct aem_data *data) | |
1004 | { | |
1005 | int i; | |
1006 | ||
1007 | for (i = 0; i < AEM_NUM_SENSORS; i++) { | |
1008 | if (!data->sensors[i].dev_attr.attr.name) | |
1009 | continue; | |
1010 | device_remove_file(&data->pdev->dev, | |
1011 | &data->sensors[i].dev_attr); | |
1012 | } | |
1013 | ||
1014 | device_remove_file(&data->pdev->dev, | |
1015 | &sensor_dev_attr_name.dev_attr); | |
1016 | device_remove_file(&data->pdev->dev, | |
1017 | &sensor_dev_attr_version.dev_attr); | |
1018 | } | |
1019 | ||
1020 | /* Sensor probe functions */ | |
1021 | ||
1022 | /* Description of AEM1 sensors */ | |
1023 | static struct aem_ro_sensor_template aem1_ro_sensors[] = { | |
1024 | {"energy1_input", aem_show_energy, 0}, | |
1025 | {"power1_average", aem_show_power, 0}, | |
1026 | {NULL, NULL, 0}, | |
1027 | }; | |
1028 | ||
1029 | static struct aem_rw_sensor_template aem1_rw_sensors[] = { | |
1030 | {"power1_average_interval", aem_show_power_period, aem_set_power_period, 0}, | |
1031 | {NULL, NULL, NULL, 0}, | |
1032 | }; | |
1033 | ||
1034 | /* Description of AEM2 sensors */ | |
1035 | static struct aem_ro_sensor_template aem2_ro_sensors[] = { | |
1036 | {"energy1_input", aem_show_energy, 0}, | |
1037 | {"energy2_input", aem_show_energy, 1}, | |
1038 | {"power1_average", aem_show_power, 0}, | |
1039 | {"power2_average", aem_show_power, 1}, | |
1040 | {"temp1_input", aem2_show_temp, 0}, | |
1041 | {"temp2_input", aem2_show_temp, 1}, | |
1042 | ||
1043 | {"power4_average", aem2_show_pcap_value, POWER_CAP_MAX_HOTPLUG}, | |
1044 | {"power5_average", aem2_show_pcap_value, POWER_CAP_MAX}, | |
1045 | {"power6_average", aem2_show_pcap_value, POWER_CAP_MIN_WARNING}, | |
1046 | {"power7_average", aem2_show_pcap_value, POWER_CAP_MIN}, | |
1047 | ||
0910b28e | 1048 | {"power3_average", aem2_show_pcap_value, POWER_AUX}, |
8808a793 DW |
1049 | {"power_cap", aem2_show_pcap_value, POWER_CAP}, |
1050 | {NULL, NULL, 0}, | |
1051 | }; | |
1052 | ||
1053 | static struct aem_rw_sensor_template aem2_rw_sensors[] = { | |
1054 | {"power1_average_interval", aem_show_power_period, aem_set_power_period, 0}, | |
1055 | {"power2_average_interval", aem_show_power_period, aem_set_power_period, 1}, | |
1056 | {NULL, NULL, NULL, 0}, | |
1057 | }; | |
1058 | ||
1059 | /* Set up AEM1 sensor attrs */ | |
1060 | static int aem1_find_sensors(struct aem_data *data) | |
1061 | { | |
1062 | return aem_register_sensors(data, aem1_ro_sensors, aem1_rw_sensors); | |
1063 | } | |
1064 | ||
1065 | /* Set up AEM2 sensor attrs */ | |
1066 | static int aem2_find_sensors(struct aem_data *data) | |
1067 | { | |
1068 | return aem_register_sensors(data, aem2_ro_sensors, aem2_rw_sensors); | |
1069 | } | |
1070 | ||
1071 | /* Module init/exit routines */ | |
1072 | ||
1073 | static int __init aem_init(void) | |
1074 | { | |
1075 | int res; | |
1076 | ||
fe2d5ffc | 1077 | res = driver_register(&aem_driver.driver); |
8808a793 | 1078 | if (res) { |
55d705cc | 1079 | pr_err("Can't register aem driver\n"); |
8808a793 DW |
1080 | return res; |
1081 | } | |
1082 | ||
1083 | res = ipmi_smi_watcher_register(&driver_data.bmc_events); | |
1084 | if (res) | |
1085 | goto ipmi_reg_err; | |
1086 | return 0; | |
1087 | ||
1088 | ipmi_reg_err: | |
fe2d5ffc | 1089 | driver_unregister(&aem_driver.driver); |
8808a793 DW |
1090 | return res; |
1091 | ||
1092 | } | |
1093 | ||
1094 | static void __exit aem_exit(void) | |
1095 | { | |
1096 | struct aem_data *p1, *next1; | |
1097 | ||
1098 | ipmi_smi_watcher_unregister(&driver_data.bmc_events); | |
fe2d5ffc | 1099 | driver_unregister(&aem_driver.driver); |
8808a793 DW |
1100 | list_for_each_entry_safe(p1, next1, &driver_data.aem_devices, list) |
1101 | aem_delete(p1); | |
1102 | } | |
1103 | ||
1104 | MODULE_AUTHOR("Darrick J. Wong <djwong@us.ibm.com>"); | |
eb93b7df | 1105 | MODULE_DESCRIPTION("IBM AEM power/temp/energy sensor driver"); |
8808a793 DW |
1106 | MODULE_LICENSE("GPL"); |
1107 | ||
1108 | module_init(aem_init); | |
1109 | module_exit(aem_exit); | |
21d93c14 DW |
1110 | |
1111 | MODULE_ALIAS("dmi:bvnIBM:*:pnIBMSystemx3350-*"); | |
1112 | MODULE_ALIAS("dmi:bvnIBM:*:pnIBMSystemx3550-*"); | |
1113 | MODULE_ALIAS("dmi:bvnIBM:*:pnIBMSystemx3650-*"); | |
1114 | MODULE_ALIAS("dmi:bvnIBM:*:pnIBMSystemx3655-*"); | |
1115 | MODULE_ALIAS("dmi:bvnIBM:*:pnIBMSystemx3755-*"); | |
1116 | MODULE_ALIAS("dmi:bvnIBM:*:pnIBM3850M2/x3950M2-*"); | |
8070408b | 1117 | MODULE_ALIAS("dmi:bvnIBM:*:pnIBMBladeHC10-*"); |