2 * Copyright (c) 2006, 2007, 2008 QLogic Corporation. All rights reserved.
3 * Copyright (c) 2006 PathScale, Inc. All rights reserved.
5 * This software is available to you under a choice of one of two
6 * licenses. You may choose to be licensed under the terms of the GNU
7 * General Public License (GPL) Version 2, available from the file
8 * COPYING in the main directory of this source tree, or the
9 * OpenIB.org BSD license below:
11 * Redistribution and use in source and binary forms, with or
12 * without modification, are permitted provided that the following
15 * - Redistributions of source code must retain the above
16 * copyright notice, this list of conditions and the following
19 * - Redistributions in binary form must reproduce the above
20 * copyright notice, this list of conditions and the following
21 * disclaimer in the documentation and/or other materials
22 * provided with the distribution.
24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
28 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
29 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
30 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
34 #include <linux/ctype.h>
36 #include "ipath_kernel.h"
37 #include "ipath_verbs.h"
38 #include "ipath_common.h"
41 * ipath_parse_ushort - parse an unsigned short value in an arbitrary base
42 * @str: the string containing the number
43 * @valp: where to put the result
45 * returns the number of bytes consumed, or negative value on error
47 int ipath_parse_ushort(const char *str
, unsigned short *valp
)
53 if (!isdigit(str
[0])) {
58 val
= simple_strtoul(str
, &end
, 0);
75 static ssize_t
show_version(struct device_driver
*dev
, char *buf
)
77 /* The string printed here is already newline-terminated. */
78 return scnprintf(buf
, PAGE_SIZE
, "%s", ib_ipath_version
);
81 static ssize_t
show_num_units(struct device_driver
*dev
, char *buf
)
83 return scnprintf(buf
, PAGE_SIZE
, "%d\n",
84 ipath_count_units(NULL
, NULL
, NULL
));
87 static ssize_t
show_status(struct device
*dev
,
88 struct device_attribute
*attr
,
91 struct ipath_devdata
*dd
= dev_get_drvdata(dev
);
94 if (!dd
->ipath_statusp
) {
99 ret
= scnprintf(buf
, PAGE_SIZE
, "0x%llx\n",
100 (unsigned long long) *(dd
->ipath_statusp
));
106 static const char *ipath_status_str
[] = {
110 "", /* This used to be the old "OIB_SMA" status. */
111 "", /* This used to be the old "SMA" status. */
116 "Fatal_Hardware_Error",
120 static ssize_t
show_status_str(struct device
*dev
,
121 struct device_attribute
*attr
,
124 struct ipath_devdata
*dd
= dev_get_drvdata(dev
);
129 if (!dd
->ipath_statusp
) {
134 s
= *(dd
->ipath_statusp
);
136 for (any
= i
= 0; s
&& ipath_status_str
[i
]; i
++) {
138 if (any
&& strlcat(buf
, " ", PAGE_SIZE
) >=
142 if (strlcat(buf
, ipath_status_str
[i
],
143 PAGE_SIZE
) >= PAGE_SIZE
)
150 strlcat(buf
, "\n", PAGE_SIZE
);
158 static ssize_t
show_boardversion(struct device
*dev
,
159 struct device_attribute
*attr
,
162 struct ipath_devdata
*dd
= dev_get_drvdata(dev
);
163 /* The string printed here is already newline-terminated. */
164 return scnprintf(buf
, PAGE_SIZE
, "%s", dd
->ipath_boardversion
);
167 static ssize_t
show_localbus_info(struct device
*dev
,
168 struct device_attribute
*attr
,
171 struct ipath_devdata
*dd
= dev_get_drvdata(dev
);
172 /* The string printed here is already newline-terminated. */
173 return scnprintf(buf
, PAGE_SIZE
, "%s", dd
->ipath_lbus_info
);
176 static ssize_t
show_lmc(struct device
*dev
,
177 struct device_attribute
*attr
,
180 struct ipath_devdata
*dd
= dev_get_drvdata(dev
);
182 return scnprintf(buf
, PAGE_SIZE
, "%u\n", dd
->ipath_lmc
);
185 static ssize_t
store_lmc(struct device
*dev
,
186 struct device_attribute
*attr
,
190 struct ipath_devdata
*dd
= dev_get_drvdata(dev
);
194 ret
= ipath_parse_ushort(buf
, &lmc
);
203 ipath_set_lid(dd
, dd
->ipath_lid
, lmc
);
207 ipath_dev_err(dd
, "attempt to set invalid LMC %u\n", lmc
);
212 static ssize_t
show_lid(struct device
*dev
,
213 struct device_attribute
*attr
,
216 struct ipath_devdata
*dd
= dev_get_drvdata(dev
);
218 return scnprintf(buf
, PAGE_SIZE
, "0x%x\n", dd
->ipath_lid
);
221 static ssize_t
store_lid(struct device
*dev
,
222 struct device_attribute
*attr
,
226 struct ipath_devdata
*dd
= dev_get_drvdata(dev
);
230 ret
= ipath_parse_ushort(buf
, &lid
);
234 if (lid
== 0 || lid
>= IPATH_MULTICAST_LID_BASE
) {
239 ipath_set_lid(dd
, lid
, dd
->ipath_lmc
);
243 ipath_dev_err(dd
, "attempt to set invalid LID 0x%x\n", lid
);
248 static ssize_t
show_mlid(struct device
*dev
,
249 struct device_attribute
*attr
,
252 struct ipath_devdata
*dd
= dev_get_drvdata(dev
);
254 return scnprintf(buf
, PAGE_SIZE
, "0x%x\n", dd
->ipath_mlid
);
257 static ssize_t
store_mlid(struct device
*dev
,
258 struct device_attribute
*attr
,
262 struct ipath_devdata
*dd
= dev_get_drvdata(dev
);
266 ret
= ipath_parse_ushort(buf
, &mlid
);
267 if (ret
< 0 || mlid
< IPATH_MULTICAST_LID_BASE
)
270 dd
->ipath_mlid
= mlid
;
274 ipath_dev_err(dd
, "attempt to set invalid MLID\n");
279 static ssize_t
show_guid(struct device
*dev
,
280 struct device_attribute
*attr
,
283 struct ipath_devdata
*dd
= dev_get_drvdata(dev
);
286 guid
= (u8
*) & (dd
->ipath_guid
);
288 return scnprintf(buf
, PAGE_SIZE
,
289 "%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x\n",
290 guid
[0], guid
[1], guid
[2], guid
[3],
291 guid
[4], guid
[5], guid
[6], guid
[7]);
294 static ssize_t
store_guid(struct device
*dev
,
295 struct device_attribute
*attr
,
299 struct ipath_devdata
*dd
= dev_get_drvdata(dev
);
301 unsigned short guid
[8];
306 if (sscanf(buf
, "%hx:%hx:%hx:%hx:%hx:%hx:%hx:%hx",
307 &guid
[0], &guid
[1], &guid
[2], &guid
[3],
308 &guid
[4], &guid
[5], &guid
[6], &guid
[7]) != 8)
311 ng
= (u8
*) &new_guid
;
313 for (i
= 0; i
< 8; i
++) {
322 dd
->ipath_guid
= new_guid
;
325 dd
->verbs_dev
->ibdev
.node_guid
= new_guid
;
331 ipath_dev_err(dd
, "attempt to set invalid GUID\n");
338 static ssize_t
show_nguid(struct device
*dev
,
339 struct device_attribute
*attr
,
342 struct ipath_devdata
*dd
= dev_get_drvdata(dev
);
344 return scnprintf(buf
, PAGE_SIZE
, "%u\n", dd
->ipath_nguid
);
347 static ssize_t
show_nports(struct device
*dev
,
348 struct device_attribute
*attr
,
351 struct ipath_devdata
*dd
= dev_get_drvdata(dev
);
353 /* Return the number of user ports available. */
354 return scnprintf(buf
, PAGE_SIZE
, "%u\n", dd
->ipath_cfgports
- 1);
357 static ssize_t
show_serial(struct device
*dev
,
358 struct device_attribute
*attr
,
361 struct ipath_devdata
*dd
= dev_get_drvdata(dev
);
363 buf
[sizeof dd
->ipath_serial
] = '\0';
364 memcpy(buf
, dd
->ipath_serial
, sizeof dd
->ipath_serial
);
369 static ssize_t
show_unit(struct device
*dev
,
370 struct device_attribute
*attr
,
373 struct ipath_devdata
*dd
= dev_get_drvdata(dev
);
375 return scnprintf(buf
, PAGE_SIZE
, "%u\n", dd
->ipath_unit
);
378 static ssize_t
show_jint_max_packets(struct device
*dev
,
379 struct device_attribute
*attr
,
382 struct ipath_devdata
*dd
= dev_get_drvdata(dev
);
384 return scnprintf(buf
, PAGE_SIZE
, "%hu\n", dd
->ipath_jint_max_packets
);
387 static ssize_t
store_jint_max_packets(struct device
*dev
,
388 struct device_attribute
*attr
,
392 struct ipath_devdata
*dd
= dev_get_drvdata(dev
);
396 ret
= ipath_parse_ushort(buf
, &v
);
398 ipath_dev_err(dd
, "invalid jint_max_packets.\n");
400 dd
->ipath_f_config_jint(dd
, dd
->ipath_jint_idle_ticks
, v
);
405 static ssize_t
show_jint_idle_ticks(struct device
*dev
,
406 struct device_attribute
*attr
,
409 struct ipath_devdata
*dd
= dev_get_drvdata(dev
);
411 return scnprintf(buf
, PAGE_SIZE
, "%hu\n", dd
->ipath_jint_idle_ticks
);
414 static ssize_t
store_jint_idle_ticks(struct device
*dev
,
415 struct device_attribute
*attr
,
419 struct ipath_devdata
*dd
= dev_get_drvdata(dev
);
423 ret
= ipath_parse_ushort(buf
, &v
);
425 ipath_dev_err(dd
, "invalid jint_idle_ticks.\n");
427 dd
->ipath_f_config_jint(dd
, v
, dd
->ipath_jint_max_packets
);
432 #define DEVICE_COUNTER(name, attr) \
433 static ssize_t show_counter_##name(struct device *dev, \
434 struct device_attribute *attr, \
437 struct ipath_devdata *dd = dev_get_drvdata(dev); \
439 buf, PAGE_SIZE, "%llu\n", (unsigned long long) \
441 dd, offsetof(struct infinipath_counters, \
442 attr) / sizeof(u64))); \
444 static DEVICE_ATTR(name, S_IRUGO, show_counter_##name, NULL);
446 DEVICE_COUNTER(ib_link_downeds
, IBLinkDownedCnt
);
447 DEVICE_COUNTER(ib_link_err_recoveries
, IBLinkErrRecoveryCnt
);
448 DEVICE_COUNTER(ib_status_changes
, IBStatusChangeCnt
);
449 DEVICE_COUNTER(ib_symbol_errs
, IBSymbolErrCnt
);
450 DEVICE_COUNTER(lb_flow_stalls
, LBFlowStallCnt
);
451 DEVICE_COUNTER(lb_ints
, LBIntCnt
);
452 DEVICE_COUNTER(rx_bad_formats
, RxBadFormatCnt
);
453 DEVICE_COUNTER(rx_buf_ovfls
, RxBufOvflCnt
);
454 DEVICE_COUNTER(rx_data_pkts
, RxDataPktCnt
);
455 DEVICE_COUNTER(rx_dropped_pkts
, RxDroppedPktCnt
);
456 DEVICE_COUNTER(rx_dwords
, RxDwordCnt
);
457 DEVICE_COUNTER(rx_ebps
, RxEBPCnt
);
458 DEVICE_COUNTER(rx_flow_ctrl_errs
, RxFlowCtrlErrCnt
);
459 DEVICE_COUNTER(rx_flow_pkts
, RxFlowPktCnt
);
460 DEVICE_COUNTER(rx_icrc_errs
, RxICRCErrCnt
);
461 DEVICE_COUNTER(rx_len_errs
, RxLenErrCnt
);
462 DEVICE_COUNTER(rx_link_problems
, RxLinkProblemCnt
);
463 DEVICE_COUNTER(rx_lpcrc_errs
, RxLPCRCErrCnt
);
464 DEVICE_COUNTER(rx_max_min_len_errs
, RxMaxMinLenErrCnt
);
465 DEVICE_COUNTER(rx_p0_hdr_egr_ovfls
, RxP0HdrEgrOvflCnt
);
466 DEVICE_COUNTER(rx_p1_hdr_egr_ovfls
, RxP1HdrEgrOvflCnt
);
467 DEVICE_COUNTER(rx_p2_hdr_egr_ovfls
, RxP2HdrEgrOvflCnt
);
468 DEVICE_COUNTER(rx_p3_hdr_egr_ovfls
, RxP3HdrEgrOvflCnt
);
469 DEVICE_COUNTER(rx_p4_hdr_egr_ovfls
, RxP4HdrEgrOvflCnt
);
470 DEVICE_COUNTER(rx_p5_hdr_egr_ovfls
, RxP5HdrEgrOvflCnt
);
471 DEVICE_COUNTER(rx_p6_hdr_egr_ovfls
, RxP6HdrEgrOvflCnt
);
472 DEVICE_COUNTER(rx_p7_hdr_egr_ovfls
, RxP7HdrEgrOvflCnt
);
473 DEVICE_COUNTER(rx_p8_hdr_egr_ovfls
, RxP8HdrEgrOvflCnt
);
474 DEVICE_COUNTER(rx_pkey_mismatches
, RxPKeyMismatchCnt
);
475 DEVICE_COUNTER(rx_tid_full_errs
, RxTIDFullErrCnt
);
476 DEVICE_COUNTER(rx_tid_valid_errs
, RxTIDValidErrCnt
);
477 DEVICE_COUNTER(rx_vcrc_errs
, RxVCRCErrCnt
);
478 DEVICE_COUNTER(tx_data_pkts
, TxDataPktCnt
);
479 DEVICE_COUNTER(tx_dropped_pkts
, TxDroppedPktCnt
);
480 DEVICE_COUNTER(tx_dwords
, TxDwordCnt
);
481 DEVICE_COUNTER(tx_flow_pkts
, TxFlowPktCnt
);
482 DEVICE_COUNTER(tx_flow_stalls
, TxFlowStallCnt
);
483 DEVICE_COUNTER(tx_len_errs
, TxLenErrCnt
);
484 DEVICE_COUNTER(tx_max_min_len_errs
, TxMaxMinLenErrCnt
);
485 DEVICE_COUNTER(tx_underruns
, TxUnderrunCnt
);
486 DEVICE_COUNTER(tx_unsup_vl_errs
, TxUnsupVLErrCnt
);
488 static struct attribute
*dev_counter_attributes
[] = {
489 &dev_attr_ib_link_downeds
.attr
,
490 &dev_attr_ib_link_err_recoveries
.attr
,
491 &dev_attr_ib_status_changes
.attr
,
492 &dev_attr_ib_symbol_errs
.attr
,
493 &dev_attr_lb_flow_stalls
.attr
,
494 &dev_attr_lb_ints
.attr
,
495 &dev_attr_rx_bad_formats
.attr
,
496 &dev_attr_rx_buf_ovfls
.attr
,
497 &dev_attr_rx_data_pkts
.attr
,
498 &dev_attr_rx_dropped_pkts
.attr
,
499 &dev_attr_rx_dwords
.attr
,
500 &dev_attr_rx_ebps
.attr
,
501 &dev_attr_rx_flow_ctrl_errs
.attr
,
502 &dev_attr_rx_flow_pkts
.attr
,
503 &dev_attr_rx_icrc_errs
.attr
,
504 &dev_attr_rx_len_errs
.attr
,
505 &dev_attr_rx_link_problems
.attr
,
506 &dev_attr_rx_lpcrc_errs
.attr
,
507 &dev_attr_rx_max_min_len_errs
.attr
,
508 &dev_attr_rx_p0_hdr_egr_ovfls
.attr
,
509 &dev_attr_rx_p1_hdr_egr_ovfls
.attr
,
510 &dev_attr_rx_p2_hdr_egr_ovfls
.attr
,
511 &dev_attr_rx_p3_hdr_egr_ovfls
.attr
,
512 &dev_attr_rx_p4_hdr_egr_ovfls
.attr
,
513 &dev_attr_rx_p5_hdr_egr_ovfls
.attr
,
514 &dev_attr_rx_p6_hdr_egr_ovfls
.attr
,
515 &dev_attr_rx_p7_hdr_egr_ovfls
.attr
,
516 &dev_attr_rx_p8_hdr_egr_ovfls
.attr
,
517 &dev_attr_rx_pkey_mismatches
.attr
,
518 &dev_attr_rx_tid_full_errs
.attr
,
519 &dev_attr_rx_tid_valid_errs
.attr
,
520 &dev_attr_rx_vcrc_errs
.attr
,
521 &dev_attr_tx_data_pkts
.attr
,
522 &dev_attr_tx_dropped_pkts
.attr
,
523 &dev_attr_tx_dwords
.attr
,
524 &dev_attr_tx_flow_pkts
.attr
,
525 &dev_attr_tx_flow_stalls
.attr
,
526 &dev_attr_tx_len_errs
.attr
,
527 &dev_attr_tx_max_min_len_errs
.attr
,
528 &dev_attr_tx_underruns
.attr
,
529 &dev_attr_tx_unsup_vl_errs
.attr
,
533 static struct attribute_group dev_counter_attr_group
= {
535 .attrs
= dev_counter_attributes
538 static ssize_t
store_reset(struct device
*dev
,
539 struct device_attribute
*attr
,
543 struct ipath_devdata
*dd
= dev_get_drvdata(dev
);
546 if (count
< 5 || memcmp(buf
, "reset", 5)) {
551 if (dd
->ipath_flags
& IPATH_DISABLED
) {
553 * post-reset init would re-enable interrupts, etc.
554 * so don't allow reset on disabled devices. Not
555 * perfect error, but about the best choice.
557 dev_info(dev
,"Unit %d is disabled, can't reset\n",
562 ret
= ipath_reset_device(dd
->ipath_unit
);
564 return ret
<0 ? ret
: count
;
567 static ssize_t
store_link_state(struct device
*dev
,
568 struct device_attribute
*attr
,
572 struct ipath_devdata
*dd
= dev_get_drvdata(dev
);
576 ret
= ipath_parse_ushort(buf
, &state
);
580 r
= ipath_set_linkstate(dd
, state
);
588 ipath_dev_err(dd
, "attempt to set invalid link state\n");
593 static ssize_t
show_mtu(struct device
*dev
,
594 struct device_attribute
*attr
,
597 struct ipath_devdata
*dd
= dev_get_drvdata(dev
);
598 return scnprintf(buf
, PAGE_SIZE
, "%u\n", dd
->ipath_ibmtu
);
601 static ssize_t
store_mtu(struct device
*dev
,
602 struct device_attribute
*attr
,
606 struct ipath_devdata
*dd
= dev_get_drvdata(dev
);
611 ret
= ipath_parse_ushort(buf
, &mtu
);
615 r
= ipath_set_mtu(dd
, mtu
);
621 ipath_dev_err(dd
, "attempt to set invalid MTU\n");
626 static ssize_t
show_enabled(struct device
*dev
,
627 struct device_attribute
*attr
,
630 struct ipath_devdata
*dd
= dev_get_drvdata(dev
);
631 return scnprintf(buf
, PAGE_SIZE
, "%u\n",
632 (dd
->ipath_flags
& IPATH_DISABLED
) ? 0 : 1);
635 static ssize_t
store_enabled(struct device
*dev
,
636 struct device_attribute
*attr
,
640 struct ipath_devdata
*dd
= dev_get_drvdata(dev
);
644 ret
= ipath_parse_ushort(buf
, &enable
);
646 ipath_dev_err(dd
, "attempt to use non-numeric on enable\n");
651 if (!(dd
->ipath_flags
& IPATH_DISABLED
))
654 dev_info(dev
, "Enabling unit %d\n", dd
->ipath_unit
);
655 /* same as post-reset */
656 ret
= ipath_init_chip(dd
, 1);
658 ipath_dev_err(dd
, "Failed to enable unit %d\n",
661 dd
->ipath_flags
&= ~IPATH_DISABLED
;
662 *dd
->ipath_statusp
&= ~IPATH_STATUS_ADMIN_DISABLED
;
665 else if (!(dd
->ipath_flags
& IPATH_DISABLED
)) {
666 dev_info(dev
, "Disabling unit %d\n", dd
->ipath_unit
);
667 ipath_shutdown_device(dd
);
668 dd
->ipath_flags
|= IPATH_DISABLED
;
669 *dd
->ipath_statusp
|= IPATH_STATUS_ADMIN_DISABLED
;
676 static ssize_t
store_rx_pol_inv(struct device
*dev
,
677 struct device_attribute
*attr
,
681 struct ipath_devdata
*dd
= dev_get_drvdata(dev
);
685 ret
= ipath_parse_ushort(buf
, &val
);
689 r
= ipath_set_rx_pol_inv(dd
, val
);
697 ipath_dev_err(dd
, "attempt to set invalid Rx Polarity invert\n");
702 static ssize_t
store_led_override(struct device
*dev
,
703 struct device_attribute
*attr
,
707 struct ipath_devdata
*dd
= dev_get_drvdata(dev
);
711 ret
= ipath_parse_ushort(buf
, &val
);
713 ipath_set_led_override(dd
, val
);
715 ipath_dev_err(dd
, "attempt to set invalid LED override\n");
719 static ssize_t
show_logged_errs(struct device
*dev
,
720 struct device_attribute
*attr
,
723 struct ipath_devdata
*dd
= dev_get_drvdata(dev
);
726 /* force consistency with actual EEPROM */
727 if (ipath_update_eeprom_log(dd
) != 0)
731 for (idx
= 0; idx
< IPATH_EEP_LOG_CNT
; ++idx
) {
732 count
+= scnprintf(buf
+ count
, PAGE_SIZE
- count
, "%d%c",
733 dd
->ipath_eep_st_errs
[idx
],
734 idx
== (IPATH_EEP_LOG_CNT
- 1) ? '\n' : ' ');
741 * New sysfs entries to control various IB config. These all turn into
742 * accesses via ipath_f_get/set_ib_cfg.
744 * Get/Set heartbeat enable. Or of 1=enabled, 2=auto
746 static ssize_t
show_hrtbt_enb(struct device
*dev
,
747 struct device_attribute
*attr
,
750 struct ipath_devdata
*dd
= dev_get_drvdata(dev
);
753 ret
= dd
->ipath_f_get_ib_cfg(dd
, IPATH_IB_CFG_HRTBT
);
755 ret
= scnprintf(buf
, PAGE_SIZE
, "%d\n", ret
);
759 static ssize_t
store_hrtbt_enb(struct device
*dev
,
760 struct device_attribute
*attr
,
764 struct ipath_devdata
*dd
= dev_get_drvdata(dev
);
768 ret
= ipath_parse_ushort(buf
, &val
);
769 if (ret
>= 0 && val
> 3)
772 ipath_dev_err(dd
, "attempt to set invalid Heartbeat enable\n");
777 * Set the "intentional" heartbeat enable per either of
778 * "Enable" and "Auto", as these are normally set together.
779 * This bit is consulted when leaving loopback mode,
780 * because entering loopback mode overrides it and automatically
781 * disables heartbeat.
783 r
= dd
->ipath_f_set_ib_cfg(dd
, IPATH_IB_CFG_HRTBT
, val
);
786 else if (val
== IPATH_IB_HRTBT_OFF
)
787 dd
->ipath_flags
|= IPATH_NO_HRTBT
;
789 dd
->ipath_flags
&= ~IPATH_NO_HRTBT
;
796 * Get/Set Link-widths enabled. Or of 1=1x, 2=4x (this is human/IB centric,
797 * _not_ the particular encoding of any given chip)
799 static ssize_t
show_lwid_enb(struct device
*dev
,
800 struct device_attribute
*attr
,
803 struct ipath_devdata
*dd
= dev_get_drvdata(dev
);
806 ret
= dd
->ipath_f_get_ib_cfg(dd
, IPATH_IB_CFG_LWID_ENB
);
808 ret
= scnprintf(buf
, PAGE_SIZE
, "%d\n", ret
);
812 static ssize_t
store_lwid_enb(struct device
*dev
,
813 struct device_attribute
*attr
,
817 struct ipath_devdata
*dd
= dev_get_drvdata(dev
);
821 ret
= ipath_parse_ushort(buf
, &val
);
822 if (ret
>= 0 && (val
== 0 || val
> 3))
826 "attempt to set invalid Link Width (enable)\n");
830 r
= dd
->ipath_f_set_ib_cfg(dd
, IPATH_IB_CFG_LWID_ENB
, val
);
838 /* Get current link width */
839 static ssize_t
show_lwid(struct device
*dev
,
840 struct device_attribute
*attr
,
844 struct ipath_devdata
*dd
= dev_get_drvdata(dev
);
847 ret
= dd
->ipath_f_get_ib_cfg(dd
, IPATH_IB_CFG_LWID
);
849 ret
= scnprintf(buf
, PAGE_SIZE
, "%d\n", ret
);
854 * Get/Set Link-speeds enabled. Or of 1=SDR 2=DDR.
856 static ssize_t
show_spd_enb(struct device
*dev
,
857 struct device_attribute
*attr
,
860 struct ipath_devdata
*dd
= dev_get_drvdata(dev
);
863 ret
= dd
->ipath_f_get_ib_cfg(dd
, IPATH_IB_CFG_SPD_ENB
);
865 ret
= scnprintf(buf
, PAGE_SIZE
, "%d\n", ret
);
869 static ssize_t
store_spd_enb(struct device
*dev
,
870 struct device_attribute
*attr
,
874 struct ipath_devdata
*dd
= dev_get_drvdata(dev
);
878 ret
= ipath_parse_ushort(buf
, &val
);
879 if (ret
>= 0 && (val
== 0 || val
> (IPATH_IB_SDR
| IPATH_IB_DDR
)))
883 "attempt to set invalid Link Speed (enable)\n");
887 r
= dd
->ipath_f_set_ib_cfg(dd
, IPATH_IB_CFG_SPD_ENB
, val
);
895 /* Get current link speed */
896 static ssize_t
show_spd(struct device
*dev
,
897 struct device_attribute
*attr
,
900 struct ipath_devdata
*dd
= dev_get_drvdata(dev
);
903 ret
= dd
->ipath_f_get_ib_cfg(dd
, IPATH_IB_CFG_SPD
);
905 ret
= scnprintf(buf
, PAGE_SIZE
, "%d\n", ret
);
910 * Get/Set RX polarity-invert enable. 0=no, 1=yes.
912 static ssize_t
show_rx_polinv_enb(struct device
*dev
,
913 struct device_attribute
*attr
,
916 struct ipath_devdata
*dd
= dev_get_drvdata(dev
);
919 ret
= dd
->ipath_f_get_ib_cfg(dd
, IPATH_IB_CFG_RXPOL_ENB
);
921 ret
= scnprintf(buf
, PAGE_SIZE
, "%d\n", ret
);
925 static ssize_t
store_rx_polinv_enb(struct device
*dev
,
926 struct device_attribute
*attr
,
930 struct ipath_devdata
*dd
= dev_get_drvdata(dev
);
934 ret
= ipath_parse_ushort(buf
, &val
);
935 if (ret
>= 0 && val
> 1) {
937 "attempt to set invalid Rx Polarity (enable)\n");
942 r
= dd
->ipath_f_set_ib_cfg(dd
, IPATH_IB_CFG_RXPOL_ENB
, val
);
951 * Get/Set RX lane-reversal enable. 0=no, 1=yes.
953 static ssize_t
show_lanerev_enb(struct device
*dev
,
954 struct device_attribute
*attr
,
957 struct ipath_devdata
*dd
= dev_get_drvdata(dev
);
960 ret
= dd
->ipath_f_get_ib_cfg(dd
, IPATH_IB_CFG_LREV_ENB
);
962 ret
= scnprintf(buf
, PAGE_SIZE
, "%d\n", ret
);
966 static ssize_t
store_lanerev_enb(struct device
*dev
,
967 struct device_attribute
*attr
,
971 struct ipath_devdata
*dd
= dev_get_drvdata(dev
);
975 ret
= ipath_parse_ushort(buf
, &val
);
976 if (ret
>= 0 && val
> 1) {
979 "attempt to set invalid Lane reversal (enable)\n");
983 r
= dd
->ipath_f_set_ib_cfg(dd
, IPATH_IB_CFG_LREV_ENB
, val
);
991 static DRIVER_ATTR(num_units
, S_IRUGO
, show_num_units
, NULL
);
992 static DRIVER_ATTR(version
, S_IRUGO
, show_version
, NULL
);
994 static struct attribute
*driver_attributes
[] = {
995 &driver_attr_num_units
.attr
,
996 &driver_attr_version
.attr
,
1000 static struct attribute_group driver_attr_group
= {
1001 .attrs
= driver_attributes
1004 static ssize_t
store_tempsense(struct device
*dev
,
1005 struct device_attribute
*attr
,
1009 struct ipath_devdata
*dd
= dev_get_drvdata(dev
);
1013 ret
= ipath_parse_ushort(buf
, &val
);
1015 ipath_dev_err(dd
, "attempt to set invalid tempsense config\n");
1018 /* If anything but the highest limit, enable T_CRIT_A "interrupt" */
1019 stat
= ipath_tempsense_write(dd
, 9, (val
== 0x7f7f) ? 0x80 : 0);
1021 ipath_dev_err(dd
, "Unable to set tempsense config\n");
1025 stat
= ipath_tempsense_write(dd
, 0xB, (u8
) (val
& 0xFF));
1027 ipath_dev_err(dd
, "Unable to set local Tcrit\n");
1031 stat
= ipath_tempsense_write(dd
, 0xD, (u8
) (val
>> 8));
1033 ipath_dev_err(dd
, "Unable to set remote Tcrit\n");
1043 * dump tempsense regs. in decimal, to ease shell-scripts.
1045 static ssize_t
show_tempsense(struct device
*dev
,
1046 struct device_attribute
*attr
,
1049 struct ipath_devdata
*dd
= dev_get_drvdata(dev
);
1055 for (idx
= 0; idx
< 8; ++idx
) {
1058 ret
= ipath_tempsense_read(dd
, idx
);
1064 ret
= scnprintf(buf
, PAGE_SIZE
, "%d %d %02X %02X %d %d\n",
1065 *(signed char *)(regvals
),
1066 *(signed char *)(regvals
+ 1),
1067 regvals
[2], regvals
[3],
1068 *(signed char *)(regvals
+ 5),
1069 *(signed char *)(regvals
+ 7));
1073 const struct attribute_group
*ipath_driver_attr_groups
[] = {
1078 static DEVICE_ATTR(guid
, S_IWUSR
| S_IRUGO
, show_guid
, store_guid
);
1079 static DEVICE_ATTR(lmc
, S_IWUSR
| S_IRUGO
, show_lmc
, store_lmc
);
1080 static DEVICE_ATTR(lid
, S_IWUSR
| S_IRUGO
, show_lid
, store_lid
);
1081 static DEVICE_ATTR(link_state
, S_IWUSR
, NULL
, store_link_state
);
1082 static DEVICE_ATTR(mlid
, S_IWUSR
| S_IRUGO
, show_mlid
, store_mlid
);
1083 static DEVICE_ATTR(mtu
, S_IWUSR
| S_IRUGO
, show_mtu
, store_mtu
);
1084 static DEVICE_ATTR(enabled
, S_IWUSR
| S_IRUGO
, show_enabled
, store_enabled
);
1085 static DEVICE_ATTR(nguid
, S_IRUGO
, show_nguid
, NULL
);
1086 static DEVICE_ATTR(nports
, S_IRUGO
, show_nports
, NULL
);
1087 static DEVICE_ATTR(reset
, S_IWUSR
, NULL
, store_reset
);
1088 static DEVICE_ATTR(serial
, S_IRUGO
, show_serial
, NULL
);
1089 static DEVICE_ATTR(status
, S_IRUGO
, show_status
, NULL
);
1090 static DEVICE_ATTR(status_str
, S_IRUGO
, show_status_str
, NULL
);
1091 static DEVICE_ATTR(boardversion
, S_IRUGO
, show_boardversion
, NULL
);
1092 static DEVICE_ATTR(unit
, S_IRUGO
, show_unit
, NULL
);
1093 static DEVICE_ATTR(rx_pol_inv
, S_IWUSR
, NULL
, store_rx_pol_inv
);
1094 static DEVICE_ATTR(led_override
, S_IWUSR
, NULL
, store_led_override
);
1095 static DEVICE_ATTR(logged_errors
, S_IRUGO
, show_logged_errs
, NULL
);
1096 static DEVICE_ATTR(localbus_info
, S_IRUGO
, show_localbus_info
, NULL
);
1097 static DEVICE_ATTR(jint_max_packets
, S_IWUSR
| S_IRUGO
,
1098 show_jint_max_packets
, store_jint_max_packets
);
1099 static DEVICE_ATTR(jint_idle_ticks
, S_IWUSR
| S_IRUGO
,
1100 show_jint_idle_ticks
, store_jint_idle_ticks
);
1101 static DEVICE_ATTR(tempsense
, S_IWUSR
| S_IRUGO
,
1102 show_tempsense
, store_tempsense
);
1104 static struct attribute
*dev_attributes
[] = {
1105 &dev_attr_guid
.attr
,
1108 &dev_attr_link_state
.attr
,
1109 &dev_attr_mlid
.attr
,
1111 &dev_attr_nguid
.attr
,
1112 &dev_attr_nports
.attr
,
1113 &dev_attr_serial
.attr
,
1114 &dev_attr_status
.attr
,
1115 &dev_attr_status_str
.attr
,
1116 &dev_attr_boardversion
.attr
,
1117 &dev_attr_unit
.attr
,
1118 &dev_attr_enabled
.attr
,
1119 &dev_attr_rx_pol_inv
.attr
,
1120 &dev_attr_led_override
.attr
,
1121 &dev_attr_logged_errors
.attr
,
1122 &dev_attr_tempsense
.attr
,
1123 &dev_attr_localbus_info
.attr
,
1127 static struct attribute_group dev_attr_group
= {
1128 .attrs
= dev_attributes
1131 static DEVICE_ATTR(hrtbt_enable
, S_IWUSR
| S_IRUGO
, show_hrtbt_enb
,
1133 static DEVICE_ATTR(link_width_enable
, S_IWUSR
| S_IRUGO
, show_lwid_enb
,
1135 static DEVICE_ATTR(link_width
, S_IRUGO
, show_lwid
, NULL
);
1136 static DEVICE_ATTR(link_speed_enable
, S_IWUSR
| S_IRUGO
, show_spd_enb
,
1138 static DEVICE_ATTR(link_speed
, S_IRUGO
, show_spd
, NULL
);
1139 static DEVICE_ATTR(rx_pol_inv_enable
, S_IWUSR
| S_IRUGO
, show_rx_polinv_enb
,
1140 store_rx_polinv_enb
);
1141 static DEVICE_ATTR(rx_lane_rev_enable
, S_IWUSR
| S_IRUGO
, show_lanerev_enb
,
1144 static struct attribute
*dev_ibcfg_attributes
[] = {
1145 &dev_attr_hrtbt_enable
.attr
,
1146 &dev_attr_link_width_enable
.attr
,
1147 &dev_attr_link_width
.attr
,
1148 &dev_attr_link_speed_enable
.attr
,
1149 &dev_attr_link_speed
.attr
,
1150 &dev_attr_rx_pol_inv_enable
.attr
,
1151 &dev_attr_rx_lane_rev_enable
.attr
,
1155 static struct attribute_group dev_ibcfg_attr_group
= {
1156 .attrs
= dev_ibcfg_attributes
1160 * ipath_expose_reset - create a device reset file
1161 * @dev: the device structure
1163 * Only expose a file that lets us reset the device after someone
1164 * enters diag mode. A device reset is quite likely to crash the
1165 * machine entirely, so we don't want to normally make it
1168 * Called with ipath_mutex held.
1170 int ipath_expose_reset(struct device
*dev
)
1176 ret
= device_create_file(dev
, &dev_attr_reset
);
1185 int ipath_device_create_group(struct device
*dev
, struct ipath_devdata
*dd
)
1189 ret
= sysfs_create_group(&dev
->kobj
, &dev_attr_group
);
1193 ret
= sysfs_create_group(&dev
->kobj
, &dev_counter_attr_group
);
1197 if (dd
->ipath_flags
& IPATH_HAS_MULT_IB_SPEED
) {
1198 ret
= device_create_file(dev
, &dev_attr_jint_idle_ticks
);
1201 ret
= device_create_file(dev
, &dev_attr_jint_max_packets
);
1205 ret
= sysfs_create_group(&dev
->kobj
, &dev_ibcfg_attr_group
);
1213 device_remove_file(dev
, &dev_attr_jint_max_packets
);
1215 device_remove_file(dev
, &dev_attr_jint_idle_ticks
);
1217 sysfs_remove_group(&dev
->kobj
, &dev_counter_attr_group
);
1219 sysfs_remove_group(&dev
->kobj
, &dev_attr_group
);
1224 void ipath_device_remove_group(struct device
*dev
, struct ipath_devdata
*dd
)
1226 sysfs_remove_group(&dev
->kobj
, &dev_counter_attr_group
);
1228 if (dd
->ipath_flags
& IPATH_HAS_MULT_IB_SPEED
) {
1229 sysfs_remove_group(&dev
->kobj
, &dev_ibcfg_attr_group
);
1230 device_remove_file(dev
, &dev_attr_jint_idle_ticks
);
1231 device_remove_file(dev
, &dev_attr_jint_max_packets
);
1234 sysfs_remove_group(&dev
->kobj
, &dev_attr_group
);
1236 device_remove_file(dev
, &dev_attr_reset
);