diff options
Diffstat (limited to 'drivers/infiniband/hw/qib/qib_sysfs.c')
| -rw-r--r-- | drivers/infiniband/hw/qib/qib_sysfs.c | 731 |
1 files changed, 0 insertions, 731 deletions
diff --git a/drivers/infiniband/hw/qib/qib_sysfs.c b/drivers/infiniband/hw/qib/qib_sysfs.c deleted file mode 100644 index 805e37dc7621..000000000000 --- a/drivers/infiniband/hw/qib/qib_sysfs.c +++ /dev/null @@ -1,731 +0,0 @@ -/* - * Copyright (c) 2012 Intel Corporation. All rights reserved. - * Copyright (c) 2006 - 2012 QLogic Corporation. All rights reserved. - * Copyright (c) 2006 PathScale, Inc. All rights reserved. - * - * This software is available to you under a choice of one of two - * licenses. You may choose to be licensed under the terms of the GNU - * General Public License (GPL) Version 2, available from the file - * COPYING in the main directory of this source tree, or the - * OpenIB.org BSD license below: - * - * Redistribution and use in source and binary forms, with or - * without modification, are permitted provided that the following - * conditions are met: - * - * - Redistributions of source code must retain the above - * copyright notice, this list of conditions and the following - * disclaimer. - * - * - Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the following - * disclaimer in the documentation and/or other materials - * provided with the distribution. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS - * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN - * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ -#include <linux/ctype.h> -#include <rdma/ib_sysfs.h> - -#include "qib.h" -#include "qib_mad.h" - -static struct qib_pportdata *qib_get_pportdata_kobj(struct kobject *kobj) -{ - u32 port_num; - struct ib_device *ibdev = ib_port_sysfs_get_ibdev_kobj(kobj, &port_num); - struct qib_devdata *dd = dd_from_ibdev(ibdev); - - return &dd->pport[port_num - 1]; -} - -/* - * Get/Set heartbeat enable. OR of 1=enabled, 2=auto - */ -static ssize_t hrtbt_enable_show(struct ib_device *ibdev, u32 port_num, - struct ib_port_attribute *attr, char *buf) -{ - struct qib_devdata *dd = dd_from_ibdev(ibdev); - struct qib_pportdata *ppd = &dd->pport[port_num - 1]; - - return sysfs_emit(buf, "%d\n", dd->f_get_ib_cfg(ppd, QIB_IB_CFG_HRTBT)); -} - -static ssize_t hrtbt_enable_store(struct ib_device *ibdev, u32 port_num, - struct ib_port_attribute *attr, - const char *buf, size_t count) -{ - struct qib_devdata *dd = dd_from_ibdev(ibdev); - struct qib_pportdata *ppd = &dd->pport[port_num - 1]; - int ret; - u16 val; - - ret = kstrtou16(buf, 0, &val); - if (ret) { - qib_dev_err(dd, "attempt to set invalid Heartbeat enable\n"); - return ret; - } - - /* - * Set the "intentional" heartbeat enable per either of - * "Enable" and "Auto", as these are normally set together. - * This bit is consulted when leaving loopback mode, - * because entering loopback mode overrides it and automatically - * disables heartbeat. - */ - ret = dd->f_set_ib_cfg(ppd, QIB_IB_CFG_HRTBT, val); - return ret < 0 ? ret : count; -} -static IB_PORT_ATTR_RW(hrtbt_enable); - -static ssize_t loopback_store(struct ib_device *ibdev, u32 port_num, - struct ib_port_attribute *attr, const char *buf, - size_t count) -{ - struct qib_devdata *dd = dd_from_ibdev(ibdev); - struct qib_pportdata *ppd = &dd->pport[port_num - 1]; - int ret = count, r; - - r = dd->f_set_ib_loopback(ppd, buf); - if (r < 0) - ret = r; - - return ret; -} -static IB_PORT_ATTR_WO(loopback); - -static ssize_t led_override_store(struct ib_device *ibdev, u32 port_num, - struct ib_port_attribute *attr, - const char *buf, size_t count) -{ - struct qib_devdata *dd = dd_from_ibdev(ibdev); - struct qib_pportdata *ppd = &dd->pport[port_num - 1]; - int ret; - u16 val; - - ret = kstrtou16(buf, 0, &val); - if (ret) { - qib_dev_err(dd, "attempt to set invalid LED override\n"); - return ret; - } - - qib_set_led_override(ppd, val); - return count; -} -static IB_PORT_ATTR_WO(led_override); - -static ssize_t status_show(struct ib_device *ibdev, u32 port_num, - struct ib_port_attribute *attr, char *buf) -{ - struct qib_devdata *dd = dd_from_ibdev(ibdev); - struct qib_pportdata *ppd = &dd->pport[port_num - 1]; - - if (!ppd->statusp) - return -EINVAL; - - return sysfs_emit(buf, "0x%llx\n", (unsigned long long)*(ppd->statusp)); -} -static IB_PORT_ATTR_RO(status); - -/* - * For userland compatibility, these offsets must remain fixed. - * They are strings for QIB_STATUS_* - */ -static const char * const qib_status_str[] = { - "Initted", - "", - "", - "", - "", - "Present", - "IB_link_up", - "IB_configured", - "", - "Fatal_Hardware_Error", - NULL, -}; - -static ssize_t status_str_show(struct ib_device *ibdev, u32 port_num, - struct ib_port_attribute *attr, char *buf) -{ - struct qib_devdata *dd = dd_from_ibdev(ibdev); - struct qib_pportdata *ppd = &dd->pport[port_num - 1]; - int i, any; - u64 s; - ssize_t ret; - - if (!ppd->statusp) { - ret = -EINVAL; - goto bail; - } - - s = *(ppd->statusp); - *buf = '\0'; - for (any = i = 0; s && qib_status_str[i]; i++) { - if (s & 1) { - /* if overflow */ - if (any && strlcat(buf, " ", PAGE_SIZE) >= PAGE_SIZE) - break; - if (strlcat(buf, qib_status_str[i], PAGE_SIZE) >= - PAGE_SIZE) - break; - any = 1; - } - s >>= 1; - } - if (any) - strlcat(buf, "\n", PAGE_SIZE); - - ret = strlen(buf); - -bail: - return ret; -} -static IB_PORT_ATTR_RO(status_str); - -/* end of per-port functions */ - -static struct attribute *port_linkcontrol_attributes[] = { - &ib_port_attr_loopback.attr, - &ib_port_attr_led_override.attr, - &ib_port_attr_hrtbt_enable.attr, - &ib_port_attr_status.attr, - &ib_port_attr_status_str.attr, - NULL -}; - -static const struct attribute_group port_linkcontrol_group = { - .name = "linkcontrol", - .attrs = port_linkcontrol_attributes, -}; - -/* - * Start of per-port congestion control structures and support code - */ - -/* - * Congestion control table size followed by table entries - */ -static ssize_t cc_table_bin_read(struct file *filp, struct kobject *kobj, - const struct bin_attribute *bin_attr, - char *buf, loff_t pos, size_t count) -{ - struct qib_pportdata *ppd = qib_get_pportdata_kobj(kobj); - int ret; - - if (!qib_cc_table_size || !ppd->ccti_entries_shadow) - return -EINVAL; - - ret = ppd->total_cct_entry * sizeof(struct ib_cc_table_entry_shadow) - + sizeof(__be16); - - if (pos > ret) - return -EINVAL; - - if (count > ret - pos) - count = ret - pos; - - if (!count) - return count; - - spin_lock(&ppd->cc_shadow_lock); - memcpy(buf, ppd->ccti_entries_shadow, count); - spin_unlock(&ppd->cc_shadow_lock); - - return count; -} -static const BIN_ATTR_RO(cc_table_bin, PAGE_SIZE); - -/* - * Congestion settings: port control, control map and an array of 16 - * entries for the congestion entries - increase, timer, event log - * trigger threshold and the minimum injection rate delay. - */ -static ssize_t cc_setting_bin_read(struct file *filp, struct kobject *kobj, - const struct bin_attribute *bin_attr, - char *buf, loff_t pos, size_t count) -{ - struct qib_pportdata *ppd = qib_get_pportdata_kobj(kobj); - int ret; - - if (!qib_cc_table_size || !ppd->congestion_entries_shadow) - return -EINVAL; - - ret = sizeof(struct ib_cc_congestion_setting_attr_shadow); - - if (pos > ret) - return -EINVAL; - if (count > ret - pos) - count = ret - pos; - - if (!count) - return count; - - spin_lock(&ppd->cc_shadow_lock); - memcpy(buf, ppd->congestion_entries_shadow, count); - spin_unlock(&ppd->cc_shadow_lock); - - return count; -} -static const BIN_ATTR_RO(cc_setting_bin, PAGE_SIZE); - -static const struct bin_attribute *const port_ccmgta_attributes[] = { - &bin_attr_cc_setting_bin, - &bin_attr_cc_table_bin, - NULL, -}; - -static umode_t qib_ccmgta_is_bin_visible(struct kobject *kobj, - const struct bin_attribute *attr, int n) -{ - struct qib_pportdata *ppd = qib_get_pportdata_kobj(kobj); - - if (!qib_cc_table_size || !ppd->congestion_entries_shadow) - return 0; - return attr->attr.mode; -} - -static const struct attribute_group port_ccmgta_attribute_group = { - .name = "CCMgtA", - .is_bin_visible = qib_ccmgta_is_bin_visible, - .bin_attrs_new = port_ccmgta_attributes, -}; - -/* Start sl2vl */ - -struct qib_sl2vl_attr { - struct ib_port_attribute attr; - int sl; -}; - -static ssize_t sl2vl_attr_show(struct ib_device *ibdev, u32 port_num, - struct ib_port_attribute *attr, char *buf) -{ - struct qib_sl2vl_attr *sattr = - container_of(attr, struct qib_sl2vl_attr, attr); - struct qib_devdata *dd = dd_from_ibdev(ibdev); - struct qib_ibport *qibp = &dd->pport[port_num - 1].ibport_data; - - return sysfs_emit(buf, "%u\n", qibp->sl_to_vl[sattr->sl]); -} - -#define QIB_SL2VL_ATTR(N) \ - static struct qib_sl2vl_attr qib_sl2vl_attr_##N = { \ - .attr = __ATTR(N, 0444, sl2vl_attr_show, NULL), \ - .sl = N, \ - } - -QIB_SL2VL_ATTR(0); -QIB_SL2VL_ATTR(1); -QIB_SL2VL_ATTR(2); -QIB_SL2VL_ATTR(3); -QIB_SL2VL_ATTR(4); -QIB_SL2VL_ATTR(5); -QIB_SL2VL_ATTR(6); -QIB_SL2VL_ATTR(7); -QIB_SL2VL_ATTR(8); -QIB_SL2VL_ATTR(9); -QIB_SL2VL_ATTR(10); -QIB_SL2VL_ATTR(11); -QIB_SL2VL_ATTR(12); -QIB_SL2VL_ATTR(13); -QIB_SL2VL_ATTR(14); -QIB_SL2VL_ATTR(15); - -static struct attribute *port_sl2vl_attributes[] = { - &qib_sl2vl_attr_0.attr.attr, - &qib_sl2vl_attr_1.attr.attr, - &qib_sl2vl_attr_2.attr.attr, - &qib_sl2vl_attr_3.attr.attr, - &qib_sl2vl_attr_4.attr.attr, - &qib_sl2vl_attr_5.attr.attr, - &qib_sl2vl_attr_6.attr.attr, - &qib_sl2vl_attr_7.attr.attr, - &qib_sl2vl_attr_8.attr.attr, - &qib_sl2vl_attr_9.attr.attr, - &qib_sl2vl_attr_10.attr.attr, - &qib_sl2vl_attr_11.attr.attr, - &qib_sl2vl_attr_12.attr.attr, - &qib_sl2vl_attr_13.attr.attr, - &qib_sl2vl_attr_14.attr.attr, - &qib_sl2vl_attr_15.attr.attr, - NULL -}; - -static const struct attribute_group port_sl2vl_group = { - .name = "sl2vl", - .attrs = port_sl2vl_attributes, -}; - -/* End sl2vl */ - -/* Start diag_counters */ - -struct qib_diagc_attr { - struct ib_port_attribute attr; - size_t counter; -}; - -static ssize_t diagc_attr_show(struct ib_device *ibdev, u32 port_num, - struct ib_port_attribute *attr, char *buf) -{ - struct qib_diagc_attr *dattr = - container_of(attr, struct qib_diagc_attr, attr); - struct qib_devdata *dd = dd_from_ibdev(ibdev); - struct qib_ibport *qibp = &dd->pport[port_num - 1].ibport_data; - - return sysfs_emit(buf, "%llu\n", *((u64 *)qibp + dattr->counter)); -} - -static ssize_t diagc_attr_store(struct ib_device *ibdev, u32 port_num, - struct ib_port_attribute *attr, const char *buf, - size_t count) -{ - struct qib_diagc_attr *dattr = - container_of(attr, struct qib_diagc_attr, attr); - struct qib_devdata *dd = dd_from_ibdev(ibdev); - struct qib_ibport *qibp = &dd->pport[port_num - 1].ibport_data; - u64 val; - int ret; - - ret = kstrtou64(buf, 0, &val); - if (ret) - return ret; - *((u64 *)qibp + dattr->counter) = val; - return count; -} - -#define QIB_DIAGC_ATTR(N) \ - static_assert(__same_type(((struct qib_ibport *)0)->rvp.n_##N, u64)); \ - static struct qib_diagc_attr qib_diagc_attr_##N = { \ - .attr = __ATTR(N, 0664, diagc_attr_show, diagc_attr_store), \ - .counter = \ - offsetof(struct qib_ibport, rvp.n_##N) / sizeof(u64) \ - } - -QIB_DIAGC_ATTR(rc_resends); -QIB_DIAGC_ATTR(seq_naks); -QIB_DIAGC_ATTR(rdma_seq); -QIB_DIAGC_ATTR(rnr_naks); -QIB_DIAGC_ATTR(other_naks); -QIB_DIAGC_ATTR(rc_timeouts); -QIB_DIAGC_ATTR(loop_pkts); -QIB_DIAGC_ATTR(pkt_drops); -QIB_DIAGC_ATTR(dmawait); -QIB_DIAGC_ATTR(unaligned); -QIB_DIAGC_ATTR(rc_dupreq); -QIB_DIAGC_ATTR(rc_seqnak); -QIB_DIAGC_ATTR(rc_crwaits); - -static u64 get_all_cpu_total(u64 __percpu *cntr) -{ - int cpu; - u64 counter = 0; - - for_each_possible_cpu(cpu) - counter += *per_cpu_ptr(cntr, cpu); - return counter; -} - -static ssize_t qib_store_per_cpu(struct qib_devdata *dd, const char *buf, - size_t count, u64 *zero, u64 cur) -{ - u32 val; - int ret; - - ret = kstrtou32(buf, 0, &val); - if (ret) - return ret; - if (val != 0) { - qib_dev_err(dd, "Per CPU cntrs can only be zeroed"); - return count; - } - *zero = cur; - return count; -} - -static ssize_t rc_acks_show(struct ib_device *ibdev, u32 port_num, - struct ib_port_attribute *attr, char *buf) -{ - struct qib_devdata *dd = dd_from_ibdev(ibdev); - struct qib_ibport *qibp = &dd->pport[port_num - 1].ibport_data; - - return sysfs_emit(buf, "%llu\n", - get_all_cpu_total(qibp->rvp.rc_acks) - - qibp->rvp.z_rc_acks); -} - -static ssize_t rc_acks_store(struct ib_device *ibdev, u32 port_num, - struct ib_port_attribute *attr, const char *buf, - size_t count) -{ - struct qib_devdata *dd = dd_from_ibdev(ibdev); - struct qib_ibport *qibp = &dd->pport[port_num - 1].ibport_data; - - return qib_store_per_cpu(dd, buf, count, &qibp->rvp.z_rc_acks, - get_all_cpu_total(qibp->rvp.rc_acks)); -} -static IB_PORT_ATTR_RW(rc_acks); - -static ssize_t rc_qacks_show(struct ib_device *ibdev, u32 port_num, - struct ib_port_attribute *attr, char *buf) -{ - struct qib_devdata *dd = dd_from_ibdev(ibdev); - struct qib_ibport *qibp = &dd->pport[port_num - 1].ibport_data; - - return sysfs_emit(buf, "%llu\n", - get_all_cpu_total(qibp->rvp.rc_qacks) - - qibp->rvp.z_rc_qacks); -} - -static ssize_t rc_qacks_store(struct ib_device *ibdev, u32 port_num, - struct ib_port_attribute *attr, const char *buf, - size_t count) -{ - struct qib_devdata *dd = dd_from_ibdev(ibdev); - struct qib_ibport *qibp = &dd->pport[port_num - 1].ibport_data; - - return qib_store_per_cpu(dd, buf, count, &qibp->rvp.z_rc_qacks, - get_all_cpu_total(qibp->rvp.rc_qacks)); -} -static IB_PORT_ATTR_RW(rc_qacks); - -static ssize_t rc_delayed_comp_show(struct ib_device *ibdev, u32 port_num, - struct ib_port_attribute *attr, char *buf) -{ - struct qib_devdata *dd = dd_from_ibdev(ibdev); - struct qib_ibport *qibp = &dd->pport[port_num - 1].ibport_data; - - return sysfs_emit(buf, "%llu\n", - get_all_cpu_total(qibp->rvp.rc_delayed_comp) - - qibp->rvp.z_rc_delayed_comp); -} - -static ssize_t rc_delayed_comp_store(struct ib_device *ibdev, u32 port_num, - struct ib_port_attribute *attr, - const char *buf, size_t count) -{ - struct qib_devdata *dd = dd_from_ibdev(ibdev); - struct qib_ibport *qibp = &dd->pport[port_num - 1].ibport_data; - - return qib_store_per_cpu(dd, buf, count, &qibp->rvp.z_rc_delayed_comp, - get_all_cpu_total(qibp->rvp.rc_delayed_comp)); -} -static IB_PORT_ATTR_RW(rc_delayed_comp); - -static struct attribute *port_diagc_attributes[] = { - &qib_diagc_attr_rc_resends.attr.attr, - &qib_diagc_attr_seq_naks.attr.attr, - &qib_diagc_attr_rdma_seq.attr.attr, - &qib_diagc_attr_rnr_naks.attr.attr, - &qib_diagc_attr_other_naks.attr.attr, - &qib_diagc_attr_rc_timeouts.attr.attr, - &qib_diagc_attr_loop_pkts.attr.attr, - &qib_diagc_attr_pkt_drops.attr.attr, - &qib_diagc_attr_dmawait.attr.attr, - &qib_diagc_attr_unaligned.attr.attr, - &qib_diagc_attr_rc_dupreq.attr.attr, - &qib_diagc_attr_rc_seqnak.attr.attr, - &qib_diagc_attr_rc_crwaits.attr.attr, - &ib_port_attr_rc_acks.attr, - &ib_port_attr_rc_qacks.attr, - &ib_port_attr_rc_delayed_comp.attr, - NULL -}; - -static const struct attribute_group port_diagc_group = { - .name = "diag_counters", - .attrs = port_diagc_attributes, -}; - -/* End diag_counters */ - -const struct attribute_group *qib_attr_port_groups[] = { - &port_linkcontrol_group, - &port_ccmgta_attribute_group, - &port_sl2vl_group, - &port_diagc_group, - NULL, -}; - -/* end of per-port file structures and support code */ - -/* - * Start of per-unit (or driver, in some cases, but replicated - * per unit) functions (these get a device *) - */ -static ssize_t hw_rev_show(struct device *device, struct device_attribute *attr, - char *buf) -{ - struct qib_ibdev *dev = - rdma_device_to_drv_device(device, struct qib_ibdev, rdi.ibdev); - - return sysfs_emit(buf, "%x\n", dd_from_dev(dev)->minrev); -} -static DEVICE_ATTR_RO(hw_rev); - -static ssize_t hca_type_show(struct device *device, - struct device_attribute *attr, char *buf) -{ - struct qib_ibdev *dev = - rdma_device_to_drv_device(device, struct qib_ibdev, rdi.ibdev); - struct qib_devdata *dd = dd_from_dev(dev); - - if (!dd->boardname) - return -EINVAL; - return sysfs_emit(buf, "%s\n", dd->boardname); -} -static DEVICE_ATTR_RO(hca_type); -static DEVICE_ATTR(board_id, 0444, hca_type_show, NULL); - -static DEVICE_STRING_ATTR_RO(version, 0444, QIB_DRIVER_VERSION); - -static ssize_t boardversion_show(struct device *device, - struct device_attribute *attr, char *buf) -{ - struct qib_ibdev *dev = - rdma_device_to_drv_device(device, struct qib_ibdev, rdi.ibdev); - struct qib_devdata *dd = dd_from_dev(dev); - - /* The string printed here is already newline-terminated. */ - return sysfs_emit(buf, "%s", dd->boardversion); -} -static DEVICE_ATTR_RO(boardversion); - -static ssize_t localbus_info_show(struct device *device, - struct device_attribute *attr, char *buf) -{ - struct qib_ibdev *dev = - rdma_device_to_drv_device(device, struct qib_ibdev, rdi.ibdev); - struct qib_devdata *dd = dd_from_dev(dev); - - /* The string printed here is already newline-terminated. */ - return sysfs_emit(buf, "%s", dd->lbus_info); -} -static DEVICE_ATTR_RO(localbus_info); - -static ssize_t nctxts_show(struct device *device, - struct device_attribute *attr, char *buf) -{ - struct qib_ibdev *dev = - rdma_device_to_drv_device(device, struct qib_ibdev, rdi.ibdev); - struct qib_devdata *dd = dd_from_dev(dev); - - /* Return the number of user ports (contexts) available. */ - /* The calculation below deals with a special case where - * cfgctxts is set to 1 on a single-port board. */ - return sysfs_emit(buf, "%u\n", - (dd->first_user_ctxt > dd->cfgctxts) ? - 0 : - (dd->cfgctxts - dd->first_user_ctxt)); -} -static DEVICE_ATTR_RO(nctxts); - -static ssize_t nfreectxts_show(struct device *device, - struct device_attribute *attr, char *buf) -{ - struct qib_ibdev *dev = - rdma_device_to_drv_device(device, struct qib_ibdev, rdi.ibdev); - struct qib_devdata *dd = dd_from_dev(dev); - - /* Return the number of free user ports (contexts) available. */ - return sysfs_emit(buf, "%u\n", dd->freectxts); -} -static DEVICE_ATTR_RO(nfreectxts); - -static ssize_t serial_show(struct device *device, struct device_attribute *attr, - char *buf) -{ - struct qib_ibdev *dev = - rdma_device_to_drv_device(device, struct qib_ibdev, rdi.ibdev); - struct qib_devdata *dd = dd_from_dev(dev); - const u8 *end = memchr(dd->serial, 0, ARRAY_SIZE(dd->serial)); - int size = end ? end - dd->serial : ARRAY_SIZE(dd->serial); - - return sysfs_emit(buf, ".%*s\n", size, dd->serial); -} -static DEVICE_ATTR_RO(serial); - -static ssize_t chip_reset_store(struct device *device, - struct device_attribute *attr, const char *buf, - size_t count) -{ - struct qib_ibdev *dev = - rdma_device_to_drv_device(device, struct qib_ibdev, rdi.ibdev); - struct qib_devdata *dd = dd_from_dev(dev); - int ret; - - if (count < 5 || memcmp(buf, "reset", 5) || !dd->diag_client) { - ret = -EINVAL; - goto bail; - } - - ret = qib_reset_device(dd->unit); -bail: - return ret < 0 ? ret : count; -} -static DEVICE_ATTR_WO(chip_reset); - -/* - * Dump tempsense regs. in decimal, to ease shell-scripts. - */ -static ssize_t tempsense_show(struct device *device, - struct device_attribute *attr, char *buf) -{ - struct qib_ibdev *dev = - rdma_device_to_drv_device(device, struct qib_ibdev, rdi.ibdev); - struct qib_devdata *dd = dd_from_dev(dev); - int i; - u8 regvals[8]; - - for (i = 0; i < 8; i++) { - int ret; - - if (i == 6) - continue; - ret = dd->f_tempsense_rd(dd, i); - if (ret < 0) - return ret; /* return error on bad read */ - regvals[i] = ret; - } - return sysfs_emit(buf, "%d %d %02X %02X %d %d\n", - (signed char)regvals[0], - (signed char)regvals[1], - regvals[2], - regvals[3], - (signed char)regvals[5], - (signed char)regvals[7]); -} -static DEVICE_ATTR_RO(tempsense); - -/* - * end of per-unit (or driver, in some cases, but replicated - * per unit) functions - */ - -/* start of per-unit file structures and support code */ -static struct attribute *qib_attributes[] = { - &dev_attr_hw_rev.attr, - &dev_attr_hca_type.attr, - &dev_attr_board_id.attr, - &dev_attr_version.attr.attr, - &dev_attr_nctxts.attr, - &dev_attr_nfreectxts.attr, - &dev_attr_serial.attr, - &dev_attr_boardversion.attr, - &dev_attr_tempsense.attr, - &dev_attr_localbus_info.attr, - &dev_attr_chip_reset.attr, - NULL, -}; - -const struct attribute_group qib_attr_group = { - .attrs = qib_attributes, -}; 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