diff options
Diffstat (limited to 'toolchain/kernel-headers/ipmi')
4 files changed, 0 insertions, 7656 deletions
diff --git a/toolchain/kernel-headers/ipmi/linux-2.6.20.4-ipmisensors-20070314-1214.patch b/toolchain/kernel-headers/ipmi/linux-2.6.20.4-ipmisensors-20070314-1214.patch deleted file mode 100644 index aca57c37b..000000000 --- a/toolchain/kernel-headers/ipmi/linux-2.6.20.4-ipmisensors-20070314-1214.patch +++ /dev/null @@ -1,1914 +0,0 @@ -diff -rduNp linux-2.6.20.3.orig/drivers/char/ipmi/ipmi_msghandler.c linux-2.6.20.3/drivers/char/ipmi/ipmi_msghandler.c ---- linux-2.6.20.3.orig/drivers/char/ipmi/ipmi_msghandler.c 2007-03-13 19:27:08.000000000 +0100 -+++ linux-2.6.20.3/drivers/char/ipmi/ipmi_msghandler.c 2007-03-14 14:23:02.000000000 +0100 -@@ -1954,6 +1954,24 @@ static void remove_proc_entries(ipmi_smi - #endif /* CONFIG_PROC_FS */ - } - -+/* -+ * Retrieves the bmc_device struct for a given ipmi interface number (or NULL if none). -+ */ -+struct device *ipmi_get_bmcdevice(int if_num) -+{ -+ ipmi_smi_t intf; -+ mutex_lock(&ipmi_interfaces_mutex); -+ list_for_each_entry_rcu(intf, &ipmi_interfaces, link) { -+ if (intf->intf_num == if_num){ -+ mutex_unlock(&ipmi_interfaces_mutex); -+ return &intf->bmc->dev->dev; -+ } -+ } -+ mutex_unlock(&ipmi_interfaces_mutex); -+ -+ return NULL; -+} -+ - static int __find_bmc_guid(struct device *dev, void *data) - { - unsigned char *id = data; -@@ -4183,3 +4201,4 @@ EXPORT_SYMBOL(ipmi_get_my_LUN); - EXPORT_SYMBOL(ipmi_smi_add_proc_entry); - EXPORT_SYMBOL(ipmi_user_set_run_to_completion); - EXPORT_SYMBOL(ipmi_free_recv_msg); -+EXPORT_SYMBOL(ipmi_get_bmcdevice); -diff -rduNp linux-2.6.20.3.orig/drivers/hwmon/Kconfig linux-2.6.20.3/drivers/hwmon/Kconfig ---- linux-2.6.20.3.orig/drivers/hwmon/Kconfig 2007-03-13 19:27:08.000000000 +0100 -+++ linux-2.6.20.3/drivers/hwmon/Kconfig 2007-03-14 14:23:02.000000000 +0100 -@@ -218,6 +218,16 @@ config SENSORS_GL520SM - This driver can also be built as a module. If so, the module - will be called gl520sm. - -+config SENSORS_IPMI -+ tristate "IPMI Hardware Monitoring Support" -+ depends on HWMON && IPMI_HANDLER && EXPERIMENTAL -+ help -+ If you say yes here you get support for sensors monitored by -+ an IPMI baseboard management controller (BMC). -+ -+ This driver can also be built as a module. If so, the module -+ will be called ipmisensors. -+ - config SENSORS_IT87 - tristate "ITE IT87xx and compatibles" - depends on HWMON && I2C -diff -rduNp linux-2.6.20.3.orig/drivers/hwmon/Makefile linux-2.6.20.3/drivers/hwmon/Makefile ---- linux-2.6.20.3.orig/drivers/hwmon/Makefile 2007-03-13 19:27:08.000000000 +0100 -+++ linux-2.6.20.3/drivers/hwmon/Makefile 2007-03-14 14:23:02.000000000 +0100 -@@ -28,6 +28,7 @@ obj-$(CONFIG_SENSORS_FSCPOS) += fscpos.o - obj-$(CONFIG_SENSORS_GL518SM) += gl518sm.o - obj-$(CONFIG_SENSORS_GL520SM) += gl520sm.o - obj-$(CONFIG_SENSORS_HDAPS) += hdaps.o -+obj-$(CONFIG_SENSORS_IPMI) += ipmisensors.o - obj-$(CONFIG_SENSORS_IT87) += it87.o - obj-$(CONFIG_SENSORS_K8TEMP) += k8temp.o - obj-$(CONFIG_SENSORS_LM63) += lm63.o -diff -rduNp linux-2.6.20.3.orig/drivers/hwmon/ipmisensors.c linux-2.6.20.3/drivers/hwmon/ipmisensors.c ---- linux-2.6.20.3.orig/drivers/hwmon/ipmisensors.c 1970-01-01 01:00:00.000000000 +0100 -+++ linux-2.6.20.3/drivers/hwmon/ipmisensors.c 2007-03-14 14:44:42.000000000 +0100 -@@ -0,0 +1,1552 @@ -+/* -+ * ipmisensors.c - lm-sensors/hwmon interface to IPMI sensors. -+ * -+ * Copyright (C) 2004-2006 Yani Ioannou <yani.ioannou@gmail.com> -+ * -+ * Adapted from bmcsensors (lm-sensors for linux 2.4) -+ * bmcsensors (C) Mark D. Studebaker <mdsxyz123@yahoo.com> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License as published by -+ * the Free Software Foundation; either version 2 of the License, or -+ * (at your option) any later version. -+ * -+ * This program is distributed in the hope that it will be useful, -+ * but WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+ * GNU General Public License for more details. -+ * -+ * You should have received a copy of the GNU General Public License -+ * along with this program; if not, write to the Free Software -+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -+ */ -+ -+#include <linux/init.h> -+#include <linux/module.h> -+#include <linux/param.h> -+#include <linux/hwmon.h> -+#include <linux/list.h> -+#include <linux/slab.h> -+#include <linux/device.h> -+#include <linux/hwmon.h> -+ -+#include "ipmisensors.h" -+ -+/****** Function Prototypes ******/ -+static void ipmisensors_send_message(struct ipmisensors_bmc_data *bmc, -+ long msgid, struct kernel_ipmi_msg *msg); -+static void ipmisensors_reserve_sdr(struct ipmisensors_bmc_data *bmc); -+static void ipmisensors_get_sdr(struct ipmisensors_bmc_data *bmc, u16 res_id, -+ u16 record, u8 offset); -+static void ipmisensors_set_sensor_threshold(struct ipmisensors_bmc_data *bmc, -+ u8 number, int value, -+ int lim_index); -+static void ipmisensors_get_reading(struct ipmisensors_bmc_data *bmc, -+ struct sdrdata *sdr); -+static void ipmisensors_msg_handler(struct ipmi_recv_msg *msg, -+ void *user_msg_data); -+static int ipmisensors_intf_registered(int ipmi_intf); -+static int ipmisensors_bmc_registered(struct device *bmc); -+static void ipmisensors_register_bmc(int ipmi_intf, struct ipmi_addr *address); -+static void ipmisensors_unregister_bmc(int ipmi_intf); -+static void ipmisensors_unregister_bmc_all(void); -+static void ipmisensors_new_smi(int if_num, struct device *dev); -+static void ipmisensors_smi_gone(int if_num); -+static void ipmisensors_update_bmc(struct work_struct *); -+static void ipmisensors_cleanup(void); -+ -+/****** Static Vars ******/ -+ -+/* set when module is being removed */ -+static int cleanup = 0; -+ -+/* ipmisensors driver data */ -+static struct ipmisensors_data driver_data = { -+ .driver_name = "bmc", -+ .bmc_data = LIST_HEAD_INIT(driver_data.bmc_data), -+ .interfaces = 0, -+ .smi_watcher = { -+ .owner = THIS_MODULE, -+ .new_smi = ipmisensors_new_smi, -+ .smi_gone = ipmisensors_smi_gone, -+ }, -+ .ipmi_hndlrs = { -+ .ipmi_recv_hndl = ipmisensors_msg_handler, -+ }, -+}; -+ -+/* sensor refresh workqueue */ -+static struct workqueue_struct *ipmisensors_workqueue; -+ -+/****** SDR List Functions ******/ -+/** -+ * Creates a new sdrdata struct, or returns NULL if insufficient memory. -+ */ -+static struct sdrdata *ipmisensors_new_sdr(void) -+{ -+ struct sdrdata *sdr; -+ -+ sdr = kmem_cache_alloc(driver_data.sdrdata_cache, GFP_ATOMIC); -+ if (sdr) { -+ memset(sdr, 0, sizeof(struct sdrdata)); -+ } else { -+ printk(KERN_ERR -+ "ipmisensors: Couldn't allocate memory for new SDR\n"); -+ } -+ -+ return sdr; -+} -+ -+/** -+ * Adds the given sdrdata struct to the given bmc's SDR list. -+ * -+ * @bmc: the bmc to send the message to. -+ */ -+static inline void ipmisensors_add_sdr(struct ipmisensors_bmc_data *bmc, -+ struct sdrdata *sdr) -+{ -+ list_add(&sdr->list, &bmc->sdrs); -+ printk(KERN_DEBUG -+ "ipmisensors: SDR %d: type 0x%02x (%s)\n", -+ bmc->sdr_count, sdr->stype, sdr->id); -+ bmc->sdr_count++; -+} -+ -+/** -+ * Cleanup the sdr list for the given BMC. -+ * -+ * @bmc: the bmc to send the message to. -+ */ -+static void ipmisensors_sdr_cleanup(struct ipmisensors_bmc_data *bmc) -+{ -+ struct sdrdata *cursor, *next; -+ -+ /* find and free each sdr data struct */ -+ list_for_each_entry_safe(cursor, next, &bmc->sdrs, list) { -+ device_remove_file(bmc->dev, &cursor->attr.dev_attr); -+ device_remove_file(bmc->dev, &cursor->attr_min.dev_attr); -+ device_remove_file(bmc->dev, &cursor->attr_max.dev_attr); -+ device_remove_file(bmc->dev, &cursor->attr_label.dev_attr); -+ -+ kfree(cursor->attr_name); -+ kfree(cursor->attr_max_name); -+ kfree(cursor->attr_min_name); -+ kfree(cursor->attr_label_name); -+ -+ list_del(&cursor->list); -+ kmem_cache_free(driver_data.sdrdata_cache, cursor); -+ } -+} -+ -+/* worker function for workqueue ipmisensors_workqueue */ -+static void ipmisensors_update_bmc(struct work_struct *work) -+{ -+ struct ipmisensors_bmc_data *bmc = container_of(work, struct ipmisensors_bmc_data, update_work.work); -+ -+ /* don't start an update cycle if one already in progress */ -+ if (bmc->state != STATE_READING) { -+ struct sdrdata *cursor, *next; -+ bmc->state = STATE_READING; -+ printk(KERN_DEBUG "ipmisensors: starting update\n"); -+ -+ /* init semaphore to 1 for update cycle */ -+ sema_init(&bmc->update_semaphore, 1); -+ -+ /* update each sdr reading */ -+ list_for_each_entry_safe(cursor, next, &bmc->sdrs, list) { -+ ipmisensors_get_reading(bmc, cursor); -+ } -+ } -+ -+ /* wait for readings (need timeout?) */ -+ down_interruptible(&bmc->update_semaphore); -+ -+ printk(KERN_DEBUG "ipmisensors: update complete\n"); -+ -+ bmc->state = STATE_DONE; -+ -+ /* if the module isn't cleaning up, schedule another update */ -+ if (!cleanup) -+ queue_delayed_work(ipmisensors_workqueue, &bmc->update_work, -+ bmc->update_period * HZ); -+} -+ -+/****** IPMI Message Sending ******/ -+ -+/** -+ * Send a message to the IPMI BMC -+ * -+ * @bmc: the bmc to send the message to. -+ * @msgid: the message id to use. -+ * @msg: the ipmi message structure. -+ */ -+static void ipmisensors_send_message(struct ipmisensors_bmc_data *bmc, -+ long msgid, struct kernel_ipmi_msg *msg) -+{ -+ if (msg->data == NULL) -+ printk(KERN_DEBUG "ipmisensors: Send 0x%x\n", msg->cmd); -+ else -+ printk(KERN_DEBUG "ipmisensors: Send 0x%x 0x%x 0x%x\n", -+ msg->cmd, msg->data[0], msg->data[1]); -+ -+ /* This should be ipmi_request, but Corey had to remove -+ * that due to it being unused at the moment, as soon as -+ * this makes it into the kernel we should request it be re-instated. -+ */ -+ ipmi_request_settime(bmc->user, &bmc->address, msgid, msg, bmc, 0, -+ -1, 0); -+} -+ -+/** -+ * Compose and send a "reserve SDR" message -+ * -+ * @bmc: the bmc to send the message to. -+ */ -+static void ipmisensors_reserve_sdr(struct ipmisensors_bmc_data *bmc) -+{ -+ bmc->tx_message.netfn = IPMI_NETFN_STORAGE_REQUEST; -+ bmc->tx_message.cmd = IPMI_RESERVE_SDR; -+ bmc->tx_message.data_len = 0; -+ bmc->tx_message.data = NULL; -+ -+ ipmisensors_send_message(bmc, bmc->msgid++, &bmc->tx_message); -+} -+ -+/** -+ * Componse and send a "get SDR" message -+ * -+ * @bmc: the bmc to send the message to. -+ * @res_id: -+ * @record: -+ * @offset: -+ */ -+static void ipmisensors_get_sdr(struct ipmisensors_bmc_data *bmc, u16 res_id, -+ u16 record, u8 offset) -+{ -+ printk(KERN_DEBUG "ipmisensors: Get SDR 0x%x 0x%x 0x%x\n", -+ res_id, record, offset); -+ bmc->tx_message.netfn = IPMI_NETFN_STORAGE_REQUEST; -+ bmc->tx_message.cmd = IPMI_GET_SDR; -+ bmc->tx_message.data_len = 6; -+ bmc->tx_message.data = bmc->tx_msg_data; -+ bmc->tx_msg_data[0] = res_id & 0xff; -+ bmc->tx_msg_data[1] = res_id >> 8; -+ bmc->tx_msg_data[2] = record & 0xff; -+ bmc->tx_msg_data[3] = record >> 8; -+ bmc->tx_msg_data[4] = offset; -+ bmc->tx_msg_data[5] = bmc->ipmi_sdr_partial_size; -+ -+ ipmisensors_send_message(bmc, bmc->msgid++, &bmc->tx_message); -+} -+ -+/** -+ * Compose and send a "set sensor threshold" message -+ * -+ * @bmc: the bmc to send the message to. -+ * @id: the ipmi id number of the sensor. -+ * @value: the new value for the threshold. -+ * @lim_index: the index in the lim[] array for which this value applies. -+ */ -+static void ipmisensors_set_sensor_threshold(struct ipmisensors_bmc_data *bmc, -+ u8 number, int value, -+ int lim_index) -+{ -+ int i; -+ -+ printk(KERN_DEBUG "ipmisensors: Set SDR Threshold %d %d %d\n", -+ number, value, lim_index); -+ bmc->tx_message.netfn = IPMI_NETFN_STORAGE_REQUEST; -+ bmc->tx_message.cmd = IPMI_SET_SENSOR_THRESHOLD; -+ bmc->tx_message.data_len = 8; -+ bmc->tx_message.data = bmc->tx_msg_data; -+ bmc->tx_msg_data[0] = number & 0xff; -+ bmc->tx_msg_data[1] = 0x01 << lim_index; -+ -+ if (lim_index > 5 || lim_index < 0) { -+ printk(KERN_INFO -+ "ipmisensors: Error - ipmisensors_set_sensor_threshold given invalid lim_index\n"); -+ return; -+ } -+ -+ for (i = 2; i < 8; i++) -+ bmc->tx_msg_data[i] = 0x00; -+ -+ bmc->tx_msg_data[lim_index] = value && 0xff; -+ -+ ipmisensors_send_message(bmc, bmc->msgid++, &bmc->tx_message); -+} -+ -+/** -+ * Compose and send a "get sensor reading" message for the given sdr. -+ * -+ * @bmc: the bmc to send the message to. -+ * @sdr: the sdr of the sensor to get the reading for. -+ */ -+static void ipmisensors_get_reading(struct ipmisensors_bmc_data *bmc, -+ struct sdrdata *sdr) -+{ -+ bmc->tx_message.netfn = IPMI_NETFN_SENSOR_EVENT_REQUEST; -+ bmc->tx_message.cmd = IPMI_GET_SENSOR_STATE_READING; -+ bmc->tx_message.data_len = 1; -+ bmc->tx_message.data = bmc->tx_msg_data; -+ bmc->tx_msg_data[0] = sdr->number; -+ bmc->current_sdr = sdr; -+ -+ ipmisensors_send_message(bmc, bmc->msgid++, &bmc->tx_message); -+ down_interruptible(&bmc->update_semaphore); -+} -+ -+/****** IPMI Message Receiving ******/ -+ -+/** -+ * Process an sensor reading response message. -+ * -+ * @bmc: the bmc the message is from -+ * @msg: the IPMI SDR response message -+ */ -+static void ipmisensors_rcv_reading_msg(struct ipmisensors_bmc_data *bmc, -+ struct kernel_ipmi_msg *msg) -+{ -+ struct sdrdata *sdr = bmc->current_sdr; -+ -+ if (sdr == NULL) { -+ printk(KERN_ERR -+ "ipmisensors: Error ipmisensors_rcv_reading with NULL sdr\n"); -+ return; -+ } -+ -+ sdr->reading = msg->data[1]; -+ sdr->status = msg->data[2]; -+ sdr->thresholds = msg->data[3]; -+ -+ printk(KERN_DEBUG "ipmisensors: sensor %d (type %d) reading %d\n", -+ sdr->number, sdr->stype, msg->data[1]); -+ -+ up(&bmc->update_semaphore); -+} -+ -+/** -+ * Unpack based on string type, convert to normal, null terminate. -+ */ -+static void ipmisensors_sprintf(u8 * to, u8 * from, u8 type, u8 length) -+{ -+ static const u8 *bcdplus = "0123456789 -.:,_"; -+ int i; -+ -+ switch (type) { -+ case 0: /* unicode */ -+ for (i = 0; i < length; i++) -+ *to++ = (*from++ & 0x7f); -+ *to = 0; -+ break; -+ case 1: /* BCD Plus */ -+ for (i = 0; i < length; i++) -+ *to++ = bcdplus[*from++ & 0x0f]; -+ *to = 0; -+ break; -+ case 2: /* packed ascii *//* if not a mult. of 3 this will run over */ -+ for (i = 0; i < length; i += 3) { -+ *to++ = *from & 0x3f; -+ *to++ = *from >> 6 | ((*(from+1) & 0xf) << 2); -+ from++; -+ *to++ = *from >> 4 | ((*(from+1) & 0x3) << 4); -+ from++; -+ *to++ = (*from++ >> 2) & 0x3f; -+ } -+ *to = 0; -+ break; -+ case 3: /* normal */ -+ if (length > 1) -+ memcpy(to, from, length); -+ to[length] = 0; -+ break; -+ } -+} -+ -+/* IPMI V1.5 Section 30 */ -+static const int exps[] = -+ { 1, 10, 100, 1000, 10000, 100000, 1000000, 10000000 }; -+ -+/* Return 0 for fan, 2 for temp, 3 for voltage -+ We could make it variable based on the accuracy (= log10(m * 10**k2)); -+ this would work for /proc output, however libsensors resolution -+ is statically set in lib/chips.c */ -+static int decplaces(struct sdrdata *sd) -+{ -+ switch (sd->stype) { -+ case STYPE_TEMP: -+ return 2; -+ case STYPE_CURR: -+ case STYPE_VOLT: -+ return 3; -+ case STYPE_FAN: -+ default: -+ return 0; -+ } -+} -+ -+/* convert a raw value to a reading. IMPI V1.5 Section 30 */ -+static long conv_val(int value, struct sdrdata *sd) -+{ -+ u8 k1, k2; -+ long r; -+ -+ r = value * sd->m; -+ k1 = sd->k & 0x0f; -+ k2 = sd->k >> 4; -+ if (k1 < 8) -+ r += sd->b * exps[k1]; -+ else -+ r += sd->b / exps[16 - k1]; -+ r *= exps[decplaces(sd)]; -+ if (k2 < 8) { -+ if (sd->linear != 7) -+ r *= exps[k2]; -+ else -+ /* this will always truncate to 0: r = 1 / (exps[k2] * r); */ -+ r = 0; -+ } else { -+ if (sd->linear != 7) -+ r /= exps[16 - k2]; -+ else { -+ if (r != 0) -+ /* 1 / x * 10 ** (-m) == 10 ** m / x */ -+ r = exps[16 - k2] / r; -+ else -+ r = 0; -+ } -+ } -+ -+ return r; -+} -+ -+static const char *threshold_text[] = { -+ "upper non-recoverable threshold", -+ "upper critical threshold", -+ "upper non-critical threshold", -+ "lower non-recoverable threshold", -+ "lower critical threshold", -+ "lower non-critical threshold", -+ "positive-going hysteresis", -+ "negative-going hysteresis" /* unused */ -+}; -+ -+/* select two out of the 8 possible readable thresholds, and place indexes into the limits -+ array into lim1 and lim2. Set writable flags */ -+static void ipmisensors_select_thresholds(struct sdrdata *sd) -+{ -+ u8 capab = sd->capab; -+ u16 mask = sd->thresh_mask; -+ int tmp; -+ -+ sd->lim1 = -1; -+ sd->lim2 = -1; -+ sd->lim1_write = 0; -+ sd->lim2_write = 0; -+ -+ if (((capab & 0x0c) == 0x04) || /* readable thresholds ? */ -+ ((capab & 0x0c) == 0x08)) { -+ /* select upper threshold */ -+ if (mask & 0x10) { /* upper crit */ -+ sd->lim1 = 1; -+ if ((capab & 0x0c) == 0x08 && (mask & 0x1000)) -+ sd->lim1_write = 1; -+ } else if (mask & 0x20) { /* upper non-recov */ -+ sd->lim1 = 0; -+ if ((capab & 0x0c) == 0x08 && (mask & 0x2000)) -+ sd->lim1_write = 1; -+ } else if (mask & 0x08) { /* upper non-crit */ -+ sd->lim1 = 2; -+ if ((capab & 0x0c) == 0x08 && (mask & 0x0800)) -+ sd->lim1_write = 1; -+ } -+ -+ /* select lower threshold */ -+ if ((((capab & 0x30) == 0x10) || /* readable ? */ -+ ((capab & 0x30) == 0x20)) && /* pos hyst */ -+ sd->stype == STYPE_TEMP) -+ sd->lim2 = 6; -+ else if (mask & 0x02) { /* lower crit */ -+ sd->lim2 = 4; -+ if ((capab & 0x0c) == 0x08 && (mask & 0x0200)) -+ sd->lim2_write = 1; -+ } else if (mask & 0x04) { /* lower non-recov */ -+ sd->lim2 = 3; -+ if ((capab & 0x0c) == 0x08 && (mask & 0x0400)) -+ sd->lim2_write = 1; -+ } else if (mask & 0x01) { /* lower non-crit */ -+ sd->lim2 = 5; -+ if ((capab & 0x0c) == 0x08 && (mask & 0x0100)) -+ sd->lim2_write = 1; -+ } -+ } -+ -+ /* swap lim1/lim2 if m < 0 or function is 1/x (but not both!) */ -+ if ((sd->m < 0 && sd->linear != 7) || (sd->m >= 0 && sd->linear == 7)) { -+ tmp = sd->lim1; -+ sd->lim1 = sd->lim2; -+ sd->lim2 = tmp; -+ } -+ -+ if (sd->lim1 >= 0) -+ printk(KERN_INFO "ipmisensors: using %s for upper limit\n", -+ threshold_text[sd->lim1]); -+ else -+ printk(KERN_DEBUG "ipmisensors: no readable upper limit\n"); -+ -+ if (sd->lim2 >= 0) -+ printk(KERN_INFO "ipmisensors: using %s for lower limit\n", -+ threshold_text[sd->lim2]); -+ else -+ printk(KERN_DEBUG "ipmisensors: no readable lower limit\n"); -+} -+ -+/************* sysfs callback functions *********/ -+static ssize_t show_update_period(struct device *dev, -+ struct device_attribute *attr, char *buf) -+{ -+ struct ipmisensors_bmc_device_attribute *aattr = -+ to_ipmisensors_bmc_dev_attr(attr); -+ -+ return snprintf(buf, 20, "%d\n", aattr->bmc->update_period); -+} -+ -+static ssize_t store_update_period(struct device *dev, -+ struct device_attribute *attr, -+ const char *buf, size_t count) -+{ -+ struct ipmisensors_bmc_device_attribute *aattr = -+ to_ipmisensors_bmc_dev_attr(attr); -+ -+ aattr->bmc->update_period = simple_strtoul(buf, NULL, 10);; -+ return count; -+}; -+ -+static ssize_t show_sensor(struct device *dev, struct device_attribute *attr, -+ char *buf) -+{ -+ struct ipmisensors_device_attribute *sattr = -+ to_ipmisensors_dev_attr(attr); -+ return snprintf(buf, 20, "%ld\n", -+ conv_val(sattr->sdr->reading, sattr->sdr)); -+} -+ -+static ssize_t show_sensor_max(struct device *dev, -+ struct device_attribute *attr, char *buf) -+{ -+ long max = 0; -+ struct ipmisensors_device_attribute *sattr = -+ to_ipmisensors_dev_attr(attr); -+ -+ if (sattr->sdr->lim1 >= 0) -+ max = conv_val(sattr->sdr->limits[sattr->sdr->lim1], -+ sattr->sdr); -+ return snprintf(buf, 20, "%ld\n", max); -+} -+ -+static ssize_t show_sensor_min(struct device *dev, -+ struct device_attribute *attr, char *buf) -+{ -+ long min = 0; -+ struct ipmisensors_device_attribute *sattr = -+ to_ipmisensors_dev_attr(attr); -+ -+ if (sattr->sdr->lim2 >= 0) -+ min = conv_val(sattr->sdr->limits[sattr->sdr->lim2], -+ sattr->sdr); -+ return snprintf(buf, 20, "%ld\n", min); -+}; -+ -+static ssize_t show_sensor_label(struct device *dev, -+ struct device_attribute *attr, char *buf) -+{ -+ u8 label[SDR_MAX_UNPACKED_ID_LENGTH]; -+ struct ipmisensors_device_attribute *sattr = -+ to_ipmisensors_dev_attr(attr); -+ -+ ipmisensors_sprintf(label, sattr->sdr->id, sattr->sdr->string_type, -+ sattr->sdr->id_length); -+ return snprintf(buf, 20, "%s\n", label); -+}; -+ -+static ssize_t store_sensor_max(struct device *dev, -+ struct device_attribute *attr, const char *buf, -+ size_t count) -+{ -+ long val = simple_strtoul(buf, NULL, 10); -+ struct ipmisensors_device_attribute *sattr = -+ to_ipmisensors_dev_attr(attr); -+ printk(KERN_DEBUG "ipmisensors: set max on sensor #%d to %ld", -+ sattr->sdr->number, val); -+ ipmisensors_set_sensor_threshold(sattr->sdr->bmc, sattr->sdr->number, -+ val, sattr->sdr->lim1); -+ return count; -+}; -+ -+static ssize_t store_sensor_min(struct device *dev, -+ struct device_attribute *attr, const char *buf, -+ size_t count) -+{ -+ long val = simple_strtoul(buf, NULL, 10); -+ struct ipmisensors_device_attribute *sattr = -+ to_ipmisensors_dev_attr(attr); -+ printk(KERN_DEBUG "ipmisensors: set min on sensor #%d to %ld", -+ sattr->sdr->number, val); -+ ipmisensors_set_sensor_threshold(sattr->sdr->bmc, sattr->sdr->number, -+ val, sattr->sdr->lim2); -+ return count; -+}; -+ -+static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, -+ char *buf) -+{ -+ struct ipmisensors_bmc_device_attribute *aattr = -+ to_ipmisensors_bmc_dev_attr(attr); -+ return snprintf(buf, 20, "%d\n", aattr->bmc->alarms); -+}; -+ -+static ssize_t show_name(struct device *dev, struct device_attribute *attr, -+ char *buf) -+{ -+ return snprintf(buf, 20, "%s\n", driver_data.driver_name); -+}; -+ -+/* work function to build the sysfs entries using the ipmi sdrs */ -+static void ipmisensors_build_sysfs(struct work_struct *work) -+{ -+ int temps = 0, volts = 0, currs = 0, fans = 0; -+ struct sdrdata *cursor, *next; -+ struct ipmisensors_bmc_data *bmc = container_of(work, struct ipmisensors_bmc_data, sysfs_work); -+ -+ /* find and create entries for each sdr data struct */ -+ list_for_each_entry_safe(cursor, next, &bmc->sdrs, list) { -+ u8 id[SDR_MAX_UNPACKED_ID_LENGTH]; -+ -+ cursor->attr_name = -+ (char *)kmalloc(sizeof(char) * MAX_FILENAME_LENGTH, -+ GFP_KERNEL); -+ cursor->attr_max_name = -+ (char *)kmalloc(sizeof(char) * MAX_FILENAME_LENGTH, -+ GFP_KERNEL); -+ cursor->attr_min_name = -+ (char *)kmalloc(sizeof(char) * MAX_FILENAME_LENGTH, -+ GFP_KERNEL); -+ -+ if (cursor->id_length > 0) { -+ cursor->attr_label_name = -+ (char *)kmalloc(sizeof(char) * MAX_FILENAME_LENGTH, -+ GFP_KERNEL); -+ -+ if (cursor->attr_label_name == NULL) { -+ printk(KERN_INFO -+ "ipmisensors: Out of memory (kmalloc failed)"); -+ kfree(cursor->attr_name); -+ kfree(cursor->attr_max_name); -+ kfree(cursor->attr_min_name); -+ return; -+ } -+ } -+ -+ if (cursor->attr_name == NULL || cursor->attr_max_name == NULL -+ || cursor->attr_min_name == NULL -+ || cursor->attr_label_name == NULL) { -+ printk(KERN_INFO -+ "ipmisensors: Out of memory (kmalloc failed)"); -+ kfree(cursor->attr_name); -+ kfree(cursor->attr_max_name); -+ kfree(cursor->attr_min_name); -+ kfree(cursor->attr_label_name); -+ return; -+ } -+ -+ switch (cursor->stype) { -+ case (STYPE_TEMP): -+ /* create the name of the sensor */ -+ snprintf(cursor->attr_name, MAX_FILENAME_LENGTH, -+ "temp%d_input", ++temps); -+ /* create min, max attributes */ -+ snprintf(cursor->attr_max_name, MAX_FILENAME_LENGTH, -+ "temp%d_max", temps); -+ snprintf(cursor->attr_min_name, MAX_FILENAME_LENGTH, -+ "temp%d_min", temps); -+ /* create the label of the sensor */ -+ snprintf(cursor->attr_label_name, MAX_FILENAME_LENGTH, -+ "temp%d_label", temps); -+ break; -+ case (STYPE_VOLT): -+ /* create the name of the sensor */ -+ snprintf(cursor->attr_name, MAX_FILENAME_LENGTH, -+ "in%d_input", ++volts); -+ /* create min, max attributes */ -+ snprintf(cursor->attr_max_name, MAX_FILENAME_LENGTH, -+ "in%d_max", volts); -+ snprintf(cursor->attr_min_name, MAX_FILENAME_LENGTH, -+ "in%d_min", volts); -+ /* create the label of the sensor */ -+ snprintf(cursor->attr_label_name, MAX_FILENAME_LENGTH, -+ "in%d_label", volts); -+ break; -+ case (STYPE_CURR): -+ /* create the name of the sensor */ -+ snprintf(cursor->attr_name, MAX_FILENAME_LENGTH, -+ "curr%d_input", ++currs); -+ /* create min, max attributes */ -+ sprintf(cursor->attr_max_name, "curr%d_max", currs); -+ sprintf(cursor->attr_min_name, "curr%d_min", currs); -+ /* create the label of the sensor */ -+ snprintf(cursor->attr_label_name, MAX_FILENAME_LENGTH, -+ "curr%d_label", currs); -+ break; -+ case (STYPE_FAN): -+ /* create the name of the sensor */ -+ snprintf(cursor->attr_name, MAX_FILENAME_LENGTH, -+ "fan%d_input", ++fans); -+ /* create min, max attributes */ -+ sprintf(cursor->attr_max_name, "fan%d_max", fans); -+ sprintf(cursor->attr_min_name, "fan%d_min", fans); -+ /* create the label of the sensor */ -+ snprintf(cursor->attr_label_name, MAX_FILENAME_LENGTH, -+ "fan%d_label", fans); -+ break; -+ default: -+ printk(KERN_INFO "ipmisensors: unkown sensor type\n"); -+ continue; -+ } -+ -+ cursor->attr.dev_attr.attr.name = cursor->attr_name; -+ cursor->attr.dev_attr.attr.mode = S_IRUGO; -+ cursor->attr.dev_attr.attr.owner = THIS_MODULE; -+ cursor->attr.dev_attr.show = show_sensor; -+ cursor->attr.dev_attr.store = NULL; -+ cursor->attr.sdr = cursor; -+ -+ cursor->attr_min.dev_attr.attr.name = cursor->attr_min_name; -+ cursor->attr_min.dev_attr.attr.owner = THIS_MODULE; -+ cursor->attr_min.dev_attr.show = show_sensor_min; -+ cursor->attr_min.sdr = cursor; -+ -+ if (cursor->lim2_write) { -+ printk(KERN_INFO -+ "ipmisensors: You have a writable sensor threshold! Send me an e-mail at <yani.ioannou@gmail.com>.\n"); -+ cursor->attr_min.dev_attr.store = store_sensor_min; -+ cursor->attr_min.dev_attr.attr.mode = S_IWUSR | S_IRUGO; -+ } else { -+ cursor->attr_min.dev_attr.store = NULL; -+ cursor->attr_min.dev_attr.attr.mode = S_IRUGO; -+ } -+ -+ cursor->attr_max.dev_attr.attr.name = cursor->attr_max_name; -+ cursor->attr_max.dev_attr.attr.owner = THIS_MODULE; -+ cursor->attr_max.dev_attr.show = show_sensor_max; -+ cursor->attr_max.sdr = cursor; -+ -+ if (cursor->lim1_write) { -+ printk(KERN_INFO -+ "ipmisensors: You have a writable sensor threshold! Send me an e-mail at <yani.ioannou@gmail.com>.\n"); -+ cursor->attr_max.dev_attr.store = store_sensor_max; -+ cursor->attr_max.dev_attr.attr.mode = S_IWUSR | S_IRUGO; -+ } else { -+ cursor->attr_max.dev_attr.store = NULL; -+ cursor->attr_max.dev_attr.attr.mode = S_IRUGO; -+ } -+ -+ if (cursor->id_length > 0) { -+ cursor->attr_label.dev_attr.attr.name = -+ cursor->attr_label_name; -+ cursor->attr_label.dev_attr.attr.mode = S_IRUGO; -+ cursor->attr_label.dev_attr.attr.owner = THIS_MODULE; -+ cursor->attr_label.dev_attr.show = show_sensor_label; -+ cursor->attr_label.dev_attr.store = NULL; -+ cursor->attr_label.sdr = cursor; -+ } -+ -+ printk(KERN_INFO -+ "ipmisensors: registering sensor %d: (type 0x%.2x) " -+ "(fmt=%d; m=%d; b=%d; k1=%d; k2=%d; cap=0x%.2x; mask=0x%.4x)\n", -+ cursor->number, cursor->stype, cursor->format, cursor->m, -+ cursor->b, cursor->k & 0xf, cursor->k >> 4, -+ cursor->capab, cursor->thresh_mask); -+ -+ if (cursor->id_length > 0) { -+ ipmisensors_sprintf(id, cursor->id, cursor->string_type, -+ cursor->id_length); -+ switch (cursor->stype) { -+ case (STYPE_TEMP): -+ printk(KERN_INFO -+ "ipmisensors: sensors.conf: label temp%d \"%s\"\n", -+ temps, id); -+ break; -+ case (STYPE_VOLT): -+ printk(KERN_INFO -+ "ipmisensors: sensors.conf: label in%d \"%s\"\n", -+ volts, id); -+ break; -+ case (STYPE_CURR): -+ printk(KERN_INFO -+ "ipmisensors: sensors.conf: label curr%d \"%s\"\n", -+ currs, id); -+ break; -+ case (STYPE_FAN): -+ printk(KERN_INFO -+ "ipmisensors: sensors.conf: label fan%d \"%s\"\n", -+ fans, id); -+ break; -+ } -+ } -+ -+ ipmisensors_select_thresholds(cursor); -+ -+ if (cursor->linear != 0 && cursor->linear != 7) { -+ printk(KERN_INFO -+ "ipmisensors: sensor %d: nonlinear function 0x%.2x unsupported, expect bad results\n", -+ cursor->number, cursor->linear); -+ } -+ -+ if ((cursor->format & 0x03) == 0x02) { -+ printk(KERN_INFO -+ "ipmisensors: sensor %d: 1's complement format unsupported, expect bad results\n", -+ cursor->number); -+ } else if ((cursor->format & 0x03) == 0x03) { -+ printk(KERN_INFO -+ "ipmisensors: sensor %d: threshold sensor only, no readings available", -+ cursor->number); -+ } -+ -+ if (cursor->lim1_write || cursor->lim2_write) -+ cursor->attr.dev_attr.attr.mode = 0644; -+ else -+ cursor->attr.dev_attr.attr.mode = 0444; -+ -+ if (device_create_file(bmc->dev, &cursor->attr.dev_attr) < 0 -+ || device_create_file(bmc->dev, -+ &cursor->attr_min.dev_attr) < 0 -+ || device_create_file(bmc->dev, -+ &cursor->attr_max.dev_attr) < 0 -+ || (cursor->id_length > -+ 0 ? device_create_file(bmc->dev, -+ &cursor->attr_label.dev_attr) < -+ 0 : 0) -+ ) { -+ printk(KERN_INFO -+ "ipmisensors: sysfs file creation failed for SDR %d (%s).\n", -+ cursor->number, cursor->id); -+ kfree(cursor->attr_name); -+ kfree(cursor->attr_max_name); -+ kfree(cursor->attr_min_name); -+ kfree(cursor->attr_label_name); -+ return; -+ } -+ } -+ -+ bmc->alarms_attr.dev_attr.attr.name = "alarms"; -+ bmc->alarms_attr.dev_attr.attr.mode = S_IRUGO; -+ bmc->alarms_attr.dev_attr.attr.owner = THIS_MODULE; -+ bmc->alarms_attr.dev_attr.show = show_alarms; -+ bmc->alarms_attr.dev_attr.store = NULL; -+ bmc->alarms_attr.bmc = bmc; -+ -+ if (device_create_file(bmc->dev, &bmc->alarms_attr.dev_attr) < 0) { -+ printk(KERN_INFO -+ "ipmisensors: Failed to create sysfs entry 'alarms'"); -+ return; -+ } -+ -+ bmc->name_attr.attr.name = "name"; -+ bmc->name_attr.attr.mode = S_IRUGO; -+ bmc->name_attr.attr.owner = THIS_MODULE; -+ bmc->name_attr.show = show_name; -+ -+ if (device_create_file(bmc->dev, &bmc->name_attr) < 0) { -+ printk(KERN_INFO -+ "ipmisensors: Failed to create sysfs entry 'name'"); -+ return; -+ } -+ -+ bmc->update_attr.dev_attr.attr.name = "update_period"; -+ bmc->update_attr.dev_attr.attr.mode = S_IWUSR | S_IRUGO; -+ bmc->update_attr.dev_attr.attr.owner = THIS_MODULE; -+ bmc->update_attr.dev_attr.show = show_update_period; -+ bmc->update_attr.dev_attr.store = store_update_period; -+ bmc->update_attr.bmc = bmc; -+ -+ if (device_create_file(bmc->dev, &bmc->update_attr.dev_attr) < 0) { -+ printk(KERN_INFO -+ "ipmisensors: Failed to create sysfs entry 'update_period'"); -+ return; -+ } -+ -+ printk(KERN_INFO -+ "ipmisensors: registered %d temp, %d volt, %d current, %d fan sensors\n", -+ temps, volts, currs, fans); -+ -+ /* This completes the initialization. We can now kickoff the -+ * periodic update of the bmc sensor's values by scheduling -+ * the first work. -+ */ -+ queue_work(ipmisensors_workqueue, &bmc->update_work.work); -+ -+} -+ -+/** -+ * Process an SDR response message, save the SDRs we like in the sdr -+ * list for the given BMC. -+ * -+ * @bmc: the bmc the message is from -+ * @msg: the IPMI SDR response message -+ */ -+static void ipmisensors_rcv_sdr_msg(struct ipmisensors_bmc_data *bmc, -+ struct kernel_ipmi_msg *msg) -+{ -+ u16 record; -+ int type; -+ int stype; -+ int id_length; -+ int i; -+ int ipmi_ver = 0; -+ unsigned char *data; -+ u8 id[SDR_MAX_UNPACKED_ID_LENGTH]; -+ struct sdrdata *sdr; -+ -+ if (msg->data[0] != 0) { -+ /* cut request in half and try again */ -+ bmc->ipmi_sdr_partial_size /= 2; -+ if (bmc->ipmi_sdr_partial_size < 8) { -+ printk(KERN_INFO -+ "ipmisensors: IPMI buffers too small, giving up\n"); -+ bmc->state = STATE_DONE; -+ return; -+ } -+ printk(KERN_DEBUG -+ "ipmisensors: Reducing SDR request size to %d\n", -+ bmc->ipmi_sdr_partial_size); -+ -+ ipmisensors_get_sdr(bmc, 0, 0, 0); -+ bmc->state = STATE_SDR; -+ return; -+ } -+ if (bmc->ipmi_sdr_partial_size < IPMI_SDR_SIZE) { -+ if (bmc->rx_msg_data_offset == 0) { -+ memcpy(bmc->rx_msg_data, msg->data, -+ bmc->ipmi_sdr_partial_size + 3); -+ bmc->rx_msg_data_offset = -+ bmc->ipmi_sdr_partial_size + 3; -+ } else { -+ memcpy(bmc->rx_msg_data + bmc->rx_msg_data_offset, -+ msg->data + 3, bmc->ipmi_sdr_partial_size); -+ bmc->rx_msg_data_offset += bmc->ipmi_sdr_partial_size; -+ } -+ if (bmc->rx_msg_data_offset > bmc->rx_msg_data[7] + 7) { -+ /* got last chunk */ -+ bmc->rx_msg_data_offset = 0; -+ data = bmc->rx_msg_data; -+ } else { -+ /* get more */ -+ record = -+ (bmc->rx_msg_data[4] << 8) | bmc->rx_msg_data[3]; -+ ipmisensors_get_sdr(bmc, bmc->resid, record, -+ bmc->rx_msg_data_offset - 3); -+ bmc->state = STATE_SDR; -+ return; -+ } -+ } else { -+ /* got it in one chunk */ -+ data = msg->data; -+ } -+ -+ bmc->nextrecord = (data[2] << 8) | data[1]; -+ -+ /* If the ipmi version is 0.9 we have to remap some things. -+ * Yes this is very ugly, but we aren't the ones who -+ * implemented an incomplete spec! -+ */ -+ ipmi_ver = data[5]; -+ -+ type = data[6]; -+ /* known SDR type */ -+ if (type == 1 || type == 2) { -+ stype = data[(ipmi_ver == 0x90 ? 16 : 15)]; -+ /* known sensor type */ -+ if (stype <= STYPE_MAX) { -+ if (data[(ipmi_ver == 0x90 ? 17 : 16)] != 0x01) { -+ if (type == 1) -+ ipmisensors_sprintf(id, &data[51], -+ data[50] >> 6, -+ data[50] & 0x1f); -+ else -+ ipmisensors_sprintf(id, -+ &data[(ipmi_ver == -+ 0x90 ? 30 : -+ 35)], -+ data[(ipmi_ver == -+ 0x90 ? 29 : -+ 34)] >> 6, -+ data[(ipmi_ver == -+ 0x90 ? 29 : -+ 34)] & 0x1f); -+ printk(KERN_INFO -+ "ipmisensors: skipping non-threshold sensor \"%s\"\n", -+ id); -+ } else { -+ /* add entry to sdrd table */ -+ sdr = ipmisensors_new_sdr(); -+ if (!sdr) { -+ printk(KERN_ERR -+ "ipmisensors: could not allocate memory for new SDR"); -+ return; -+ } -+ sdr->bmc = bmc; -+ sdr->stype = stype; -+ sdr->number = data[10]; -+ sdr->capab = data[(ipmi_ver == 0x90 ? 15 : 14)]; -+ sdr->thresh_mask = -+ (((u16) data[(ipmi_ver == 0x90 ? 21 : 22)]) -+ << 8) | data[21]; -+ if (type == 1) { -+ sdr->format = -+ data[(ipmi_ver == -+ 0x90 ? 22 : 24)] >> 6; -+ sdr->linear = -+ data[(ipmi_ver == -+ 0x90 ? 25 : 26)] & 0x7f; -+ sdr->m = -+ data[(ipmi_ver == 0x90 ? 26 : 27)]; -+ sdr->m |= ((u16) -+ (data -+ [(ipmi_ver == -+ 0x90 ? 27 : 28)] -+ & 0xc0)) << 2; -+ if (sdr->m & 0x0200) { -+ /* sign extend */ -+ sdr->m |= 0xfc00; -+ } -+ sdr->b = -+ data[(ipmi_ver == 0x90 ? 28 : 29)]; -+ sdr->b |= ((u16) -+ (data -+ [(ipmi_ver == -+ 0x90 ? 29 : 30)] -+ & 0xc0)) << 2; -+ if (sdr->b & 0x0200) { -+ /* sign extend */ -+ sdr->b |= 0xfc00; -+ } -+ sdr->k = -+ data[(ipmi_ver == 0x90 ? 31 : 32)]; -+ sdr->nominal = -+ data[(ipmi_ver == 0x90 ? 33 : 34)]; -+ for (i = 0; i < SDR_LIMITS; i++) { -+ /* assume readable */ -+ sdr->limits[i] = -+ data[(ipmi_ver == -+ 0x90 ? 40 : 39) + i]; -+ } -+ sdr->string_type = data[50] >> 6; -+ id_length = data[50] & 0x1f; -+ memcpy(sdr->id, &data[51], id_length); -+ sdr->id_length = id_length; -+ } else { -+ sdr->m = 1; -+ sdr->b = 0; -+ sdr->k = 0; -+ sdr->string_type = -+ data[(ipmi_ver == -+ 0x90 ? 29 : 34)] >> 6; -+ id_length = data[34] & 0x1f; -+ if (id_length > 0) { -+ memcpy(sdr->id, -+ &data[(ipmi_ver == -+ 0x90 ? 30 : 35)], -+ id_length); -+ } -+ sdr->id_length = id_length; -+ /* limits?? */ -+ if (ipmi_ver == 0x90) { -+ memcpy(sdr->id, -+ &data[30], id_length); -+ sdr->id_length = id_length; -+ } -+ } -+ ipmisensors_add_sdr(bmc, sdr); -+ } -+ } -+ /* peek at the other SDR types */ -+ } else if (type == 0x10 || type == 0x11 || type == 0x12) { -+ ipmisensors_sprintf(id, data + 19, data[18] >> 6, -+ data[18] & 0x1f); -+ if (type == 0x10) { -+ printk(KERN_INFO -+ "ipmisensors: Generic Device acc=0x%x; slv=0x%x; lun=0x%x; type=0x%x; \"%s\"\n", -+ data[8], data[9], data[10], data[13], id); -+ } else if (type == 0x11) { -+ printk(KERN_INFO -+ "ipmisensors: FRU Device acc=0x%x; slv=0x%x; log=0x%x; ch=0x%x; type=0x%x; \"%s\"\n", -+ data[8], data[9], data[10], data[11], data[13], -+ id); -+ } else { -+ printk(KERN_INFO -+ "ipmisensors: Mgmt Ctllr Device slv=0x%x; \"%s\"\n", -+ data[8], id); -+ } -+ } else if (type == 0x14) { -+ printk(KERN_INFO -+ "ipmisensors: Message Channel Info Records:\n"); -+ for (i = 0; i < 8; i++) { -+ printk(KERN_INFO "ipmisensors: Channel %d info 0x%x\n", -+ i, data[9 + i]); -+ } -+ } else { -+ printk(KERN_INFO "ipmisensors: Skipping SDR type 0x%x\n", type); -+ } -+ if (ipmi_ver != 0x90) { -+ if (bmc->nextrecord >= 6224) { -+ /*YJ stop sensor scan on poweredge 1750 */ -+ bmc->nextrecord = 0xffff; -+ } -+ } -+ -+ if (bmc->nextrecord == 0xFFFF) { -+ if (bmc->sdr_count == 0) { -+ printk(KERN_INFO -+ "ipmisensors: No recognized sensors found.\n"); -+ bmc->state = STATE_DONE; -+ } else { -+ printk(KERN_INFO "ipmisensors: all sensors detected\n"); -+ bmc->state = STATE_SYSTABLE; -+ -+ /* Schedule sysfs build/registration work */ -+ INIT_WORK(&bmc->sysfs_work, ipmisensors_build_sysfs); -+ queue_work(ipmisensors_workqueue, &bmc->sysfs_work); -+ } -+ } else { -+ ipmisensors_get_sdr(bmc, 0, bmc->nextrecord, 0); -+ bmc->state = STATE_SDR; -+ } -+} -+ -+/** -+ * Process incoming messages based on internal state -+ * -+ * @bmc: the bmc the message is from. -+ * @msg: the ipmi message to process. -+ */ -+static void ipmisensors_rcv_msg(struct ipmisensors_bmc_data *bmc, -+ struct kernel_ipmi_msg *msg) -+{ -+ switch (bmc->state) { -+ case STATE_INIT: -+ case STATE_RESERVE: -+ bmc->resid = (((u16) msg->data[2]) << 8) | msg->data[1]; -+ -+ printk(KERN_DEBUG "ipmisensors: Got first resid 0x%.4x\n", -+ bmc->resid); -+ -+ ipmisensors_get_sdr(bmc, 0, 0, 0); -+ bmc->state = STATE_SDR; -+ break; -+ -+ case STATE_SDR: -+ case STATE_SDRPARTIAL: -+ ipmisensors_rcv_sdr_msg(bmc, msg); -+ break; -+ -+ case STATE_READING: -+ ipmisensors_rcv_reading_msg(bmc, msg); -+ break; -+ -+ case STATE_UNCANCEL: -+ bmc->resid = (((u16) msg->data[2]) << 8) | msg->data[1]; -+ -+ printk(KERN_DEBUG "ipmisensors: Got new resid 0x%.4x\n", -+ bmc->resid); -+ -+ bmc->rx_msg_data_offset = 0; -+ ipmisensors_get_sdr(bmc, 0, bmc->nextrecord, 0); -+ bmc->state = STATE_SDR; -+ break; -+ -+ case STATE_DONE: -+ case STATE_SYSTABLE: -+ break; -+ default: -+ bmc->state = STATE_INIT; -+ } -+} -+ -+/** -+ * Callback to handle a received IPMI message from a given BMC. -+ * -+ * @msg: the received message. -+ * @handler_data: a pointer to the particular bmc ipmisensors_bmc_data struct. -+ */ -+static void ipmisensors_msg_handler(struct ipmi_recv_msg *msg, -+ void *user_msg_data) -+{ -+ struct ipmisensors_bmc_data *bmc = -+ (struct ipmisensors_bmc_data *)user_msg_data; -+ -+ if (msg->msg.data[0] != 0) -+ printk(KERN_WARNING -+ "ipmisensors: Error 0x%x on cmd 0x%x/0x%x\n", -+ msg->msg.data[0], msg->msg.netfn, msg->msg.cmd); -+ -+ if (bmc != NULL && ipmisensors_intf_registered(bmc->interface_id)) { -+ if (bmc->state == STATE_SDR && -+ msg->msg.data[0] == IPMI_INVALID_RESERVATION_ID) { -+ /* reservation cancelled, get new resid */ -+ if (++bmc->errorcount > 275) { -+ printk(KERN_ERR -+ "ipmisensors: Too many reservations cancelled, giving up\n"); -+ bmc->state = STATE_DONE; -+ } else { -+ printk(KERN_DEBUG -+ "ipmisensors: resid 0x%04x cancelled, getting new one\n", -+ bmc->resid); -+ -+ ipmisensors_reserve_sdr(bmc); -+ bmc->state = STATE_UNCANCEL; -+ } -+ } else if (msg->msg.data[0] != IPMI_CC_NO_ERROR && -+ msg->msg.data[0] != IPMI_ERR_RETURNING_REQ_BYTES && -+ msg->msg.data[0] != IPMI_ERR_PROVIDING_RESPONSE) { -+ printk(KERN_ERR -+ "ipmisensors: Error 0x%x on cmd 0x%x/0x%x; state = %d; probably fatal.\n", -+ msg->msg.data[0], msg->msg.netfn & 0xfe, -+ msg->msg.cmd, bmc->state); -+ } else { -+ printk(KERN_DEBUG "ipmisensors: received message\n"); -+ ipmisensors_rcv_msg(bmc, &msg->msg); -+ } -+ -+ } else { -+ printk(KERN_WARNING -+ "ipmisensors: Response for non-registered BMC\n"); -+ if (bmc != NULL) -+ printk(KERN_DEBUG "ipmisensors: BMC ID: %d\n", -+ bmc->interface_id); -+ else -+ printk(KERN_DEBUG "ipmisensors: BMC NULL!\n"); -+ } -+ -+ ipmi_free_recv_msg(msg); -+} -+ -+/****** IPMI Interface Initialization ******/ -+ -+/** -+ * Return true if the given ipmi interface has been registered. -+ * -+ * @ipmi_intf: The IPMI interface number. -+ */ -+static int ipmisensors_intf_registered(int ipmi_intf) -+{ -+ int found = 0; -+ struct ipmisensors_bmc_data *cursor, *next; -+ -+ /* find and free the ipmisensors_bmc_data struct */ -+ list_for_each_entry_safe(cursor, next, &driver_data.bmc_data, list) { -+ if (cursor->interface_id == ipmi_intf) { -+ found++; -+ } -+ } -+ -+ return found; -+} -+ -+/** -+ * Return true if the given BMC has been registered. -+ * -+ * @bmc: The BMC device. -+ */ -+static int ipmisensors_bmc_registered(struct device *bmc) -+{ -+ int found = 0; -+ struct ipmisensors_bmc_data *cursor, *next; -+ -+ /* find and free the ipmisensors_bmc_data struct */ -+ list_for_each_entry_safe(cursor, next, &driver_data.bmc_data, list) { -+ if (cursor->dev == bmc) { -+ found++; -+ } -+ } -+ -+ return found; -+} -+ -+/** -+ * Register new IPMI BMC interface. Interface indpendent callback created -+ * for flexibility in adding new types of interface callbacks in future. -+ * -+ * @ipmi_intf: The IPMI interface number. -+ */ -+static void ipmisensors_register_bmc(int ipmi_intf, struct ipmi_addr *address) -+{ -+ int error; -+ -+ /* allocate a new ipmisensors_bmc_data struct */ -+ -+ struct ipmisensors_bmc_data *bmc = (struct ipmisensors_bmc_data *) -+ kmalloc(sizeof(struct ipmisensors_bmc_data), GFP_KERNEL); -+ -+ /* initialize members */ -+ INIT_LIST_HEAD(&bmc->sdrs); -+ bmc->interface_id = ipmi_intf; -+ -+ bmc->address = *address; -+ -+ bmc->sdr_count = 0; -+ bmc->msgid = 0; -+ bmc->ipmi_sdr_partial_size = IPMI_CHUNK_SIZE; -+ bmc->state = STATE_INIT; -+ bmc->errorcount = 0; -+ bmc->rx_msg_data_offset = 0; -+ bmc->dev = ipmi_get_bmcdevice(ipmi_intf); -+ -+ /* default to 3 second min update interval */ -+ bmc->update_period = 3; -+ -+ if (bmc->dev == NULL) { -+ printk(KERN_ERR -+ "ipmisensors: Error, couldn't get BMC device for interface %d\n", -+ bmc->interface_id); -+ kfree(bmc); -+ return; -+ } -+ -+ /* Create IPMI messaging interface user */ -+ error = ipmi_create_user(bmc->interface_id, &driver_data.ipmi_hndlrs, -+ bmc, &bmc->user); -+ if (error < 0) { -+ printk(KERN_ERR -+ "ipmisensors: Error, unable to register user with ipmi interface %d\n", -+ bmc->interface_id); -+ kfree(bmc); -+ return; -+ } -+ -+ /* Register the BMC as a HWMON class device */ -+ bmc->class_dev = hwmon_device_register(bmc->dev); -+ -+ if (IS_ERR(bmc->class_dev)) { -+ printk(KERN_ERR -+ "ipmisensors: Error, unable to register hwmon class device for interface %d\n", -+ bmc->interface_id); -+ kfree(bmc); -+ return; -+ } -+ -+ /* Register the BMC in the driver */ -+ if (ipmisensors_bmc_registered(bmc->dev)) { -+ printk(KERN_ERR -+ "ipmisensors: BMC on interface %d already registered\n", -+ bmc->interface_id); -+ hwmon_device_unregister(bmc->class_dev); -+ kfree(bmc); -+ return; -+ } -+ -+ ipmi_get_version(bmc->user, &bmc->ipmi_version_major, -+ &bmc->ipmi_version_minor); -+ -+ /* finally add the new bmc data to the bmc data list */ -+ list_add_tail(&bmc->list, &driver_data.bmc_data); -+ driver_data.interfaces++; -+ -+ printk(KERN_INFO -+ "ipmisensors: Registered IPMI %d.%d BMC over interface %d\n", -+ bmc->ipmi_version_major, -+ bmc->ipmi_version_minor, bmc->interface_id); -+ -+ /* Send a reserve SDR command to the bmc */ -+ ipmisensors_reserve_sdr(bmc); -+ -+ /* initialize the bmc's update work struct */ -+ INIT_DELAYED_WORK(&bmc->update_work, ipmisensors_update_bmc); -+} -+ -+/** -+ * Callback for when an IPMI BMC is gone. Interface indpendent callback created -+ * for flexibility in adding new types of interface callbacks in future. -+ * -+ * @ipmi_intf: The IPMI interface number. -+ */ -+static void ipmisensors_unregister_bmc(int ipmi_intf) -+{ -+ struct ipmisensors_bmc_data *cursor, *next; -+ -+ /* find and free the ipmisensors_bmc_data struct */ -+ list_for_each_entry_safe(cursor, next, &driver_data.bmc_data, list) { -+ if (cursor->interface_id == ipmi_intf) { -+ list_del(&cursor->list); -+ printk(KERN_DEBUG -+ "ipmisensors: cancelling queued work\n"); -+ /* cancel update work queued for this bmc */ -+ cancel_delayed_work(&cursor->update_work); -+ printk(KERN_DEBUG -+ "ipmisensors: waiting for update to finish\n"); -+ /* wait for readings to finish */ -+ while (cursor->state != STATE_DONE) ; -+ -+ device_remove_file(cursor->dev, -+ &cursor->alarms_attr.dev_attr); -+ device_remove_file(cursor->dev, -+ &cursor->update_attr.dev_attr); -+ hwmon_device_unregister(cursor->class_dev); -+ ipmisensors_sdr_cleanup(cursor); -+ ipmi_destroy_user(cursor->user); -+ -+ printk(KERN_INFO -+ "ipmisensors: Unegistered IPMI interface %d\n", -+ cursor->interface_id); -+ -+ kfree(cursor); -+ driver_data.interfaces--; -+ } -+ } -+ -+} -+ -+/** -+ * Unregister all registered bmcs. -+ */ -+static void ipmisensors_unregister_bmc_all(void) -+{ -+ struct ipmisensors_bmc_data *cursor, *next; -+ -+ /* find and free the ipmisensors_bmc_data struct */ -+ list_for_each_entry_safe(cursor, next, &driver_data.bmc_data, list) { -+ list_del(&cursor->list); -+ -+ /* cancel update work queued for this bmc */ -+ printk(KERN_DEBUG "ipmisensors: cancelling queued work\n"); -+ cancel_delayed_work(&cursor->update_work); -+ -+ printk(KERN_DEBUG -+ "ipmisensors: waiting for update to finish\n"); -+ /* wait for readings to finish */ -+ while (cursor->state != STATE_DONE) ; -+ -+ device_remove_file(cursor->dev, &cursor->alarms_attr.dev_attr); -+ device_remove_file(cursor->dev, &cursor->update_attr.dev_attr); -+ hwmon_device_unregister(cursor->class_dev); -+ ipmisensors_sdr_cleanup(cursor); -+ ipmi_destroy_user(cursor->user); -+ -+ printk(KERN_INFO -+ "ipmisensors: Unegistered IPMI interface %d\n", -+ cursor->interface_id); -+ -+ kfree(cursor); -+ } -+ -+ driver_data.interfaces = 0; -+} -+ -+/** -+ * Callback for when a new IPMI SMI type interface is found. -+ * -+ * @if_num: The IPMI interface number. -+ */ -+static void ipmisensors_new_smi(int if_num, struct device *dev) -+{ -+ struct ipmi_addr smi_address = { -+ IPMI_SYSTEM_INTERFACE_ADDR_TYPE, -+ IPMI_BMC_CHANNEL, -+ {0}, -+ }; -+ -+ /* calls the generic new interface function */ -+ ipmisensors_register_bmc(if_num, &smi_address); -+} -+ -+/** -+ * Callback for when an exisiting IPMI SMI type interface is gone. -+ * -+ * @if_num: The IPMI interface number. -+ */ -+static void ipmisensors_smi_gone(int if_num) -+{ -+ if (driver_data.interfaces > 0) { -+ ipmisensors_unregister_bmc(if_num); -+ } -+} -+ -+/** -+ * Initialize the module. -+ */ -+static int __init ipmisensors_init(void) -+{ -+ int error; -+ printk(KERN_INFO "ipmisensors - IPMI BMC sensors interface\n"); -+ -+ /* init cache managers */ -+ driver_data.sdrdata_cache = -+ kmem_cache_create("ipmisensors_sdrdata", sizeof(struct sdrdata), 0, -+ 0, NULL, NULL); -+ driver_data.sysfsattr_cache = -+ kmem_cache_create("ipmisensors_sysfsattr", -+ sizeof(struct ipmisensors_device_attribute), 0, 0, -+ NULL, NULL); -+ -+ if (!driver_data.sdrdata_cache || !driver_data.sysfsattr_cache) { -+ if (driver_data.sdrdata_cache) -+ kmem_cache_destroy(driver_data.sdrdata_cache); -+ if (driver_data.sysfsattr_cache) -+ kmem_cache_destroy(driver_data.sysfsattr_cache); -+ return -ENOMEM; -+ } -+ -+ /* register IPMI interface callback(s) */ -+ error = ipmi_smi_watcher_register(&driver_data.smi_watcher); -+ if (error) { -+ printk(KERN_WARNING -+ "ipmisensors: can't register smi watcher\n"); -+ return error; -+ } -+ -+ /* create work queue, keep it simple, single-threaded */ -+ ipmisensors_workqueue = -+ create_singlethread_workqueue("ipmisensors_workqueue"); -+ -+ return 0; -+} -+ -+/** -+ * Cleanup -+ */ -+static void ipmisensors_cleanup(void) -+{ -+ /* start cleanup */ -+ cleanup = 1; -+ -+ /* unregister bmcs */ -+ printk(KERN_DEBUG "ipmisensors: unregister bmcs\n"); -+ ipmi_smi_watcher_unregister(&driver_data.smi_watcher); -+ ipmisensors_unregister_bmc_all(); -+ -+ /* flush & destroy work queue */ -+ printk(KERN_DEBUG "ipmisensors: destroy workqueue\n"); -+ flush_workqueue(ipmisensors_workqueue); -+ destroy_workqueue(ipmisensors_workqueue); -+ -+ /* remove cache managers */ -+ if (driver_data.sdrdata_cache) -+ kmem_cache_destroy(driver_data.sdrdata_cache); -+ if (driver_data.sysfsattr_cache) -+ kmem_cache_destroy(driver_data.sysfsattr_cache); -+} -+ -+/** -+ * Cleanup and exit the module -+ */ -+static void __exit ipmisensors_exit(void) -+{ -+ ipmisensors_cleanup(); -+ printk(KERN_DEBUG "ipmisensors: cleanup finished\n"); -+} -+ -+MODULE_AUTHOR("Yani Ioannou <yani.ioannou@gmail.com>"); -+MODULE_DESCRIPTION("IPMI BMC sensors"); -+MODULE_LICENSE("GPL"); -+ -+module_init(ipmisensors_init); -+module_exit(ipmisensors_exit); -diff -rduNp linux-2.6.20.3.orig/drivers/hwmon/ipmisensors.h linux-2.6.20.3/drivers/hwmon/ipmisensors.h ---- linux-2.6.20.3.orig/drivers/hwmon/ipmisensors.h 1970-01-01 01:00:00.000000000 +0100 -+++ linux-2.6.20.3/drivers/hwmon/ipmisensors.h 2007-03-14 14:41:23.000000000 +0100 -@@ -0,0 +1,240 @@ -+/* -+ * ipmisensors.h - lm_sensors interface to IPMI sensors. -+ * -+ * Copyright (C) 2004-2006 Yani Ioannou <yani.ioannou@gmail.com> -+ * -+ * Adapted from bmcsensors (lm-sensors for linux 2.4) -+ * bmcsensors (C) Mark D. Studebaker <mdsxyz123@yahoo.com> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License as published by -+ * the Free Software Foundation; either version 2 of the License, or -+ * (at your option) any later version. -+ * -+ * This program is distributed in the hope that it will be useful, -+ * but WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+ * GNU General Public License for more details. -+ * -+ * You should have received a copy of the GNU General Public License -+ * along with this program; if not, write to the Free Software -+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -+ */ -+ -+#include <linux/ipmi.h> -+#include <linux/list.h> -+#include <linux/slab.h> -+#include <linux/workqueue.h> -+ -+/* SDR defs */ -+#define STYPE_TEMP 0x01 -+#define STYPE_VOLT 0x02 -+#define STYPE_CURR 0x03 -+#define STYPE_FAN 0x04 -+ -+#define SDR_LIMITS 8 -+#define SDR_MAX_ID_LENGTH 16 -+#define SDR_MAX_UNPACKED_ID_LENGTH ((SDR_MAX_ID_LENGTH * 4 / 3) + 2) -+ -+/* the last sensor type we are interested in */ -+#define STYPE_MAX 4 -+ -+#define IPMI_SDR_SIZE 67 -+#define IPMI_CHUNK_SIZE 16 -+ -+#define MAX_FILENAME_LENGTH 30 -+ -+struct ipmisensors_device_attribute { -+ struct device_attribute dev_attr; -+ struct sdrdata *sdr; -+}; -+#define to_ipmisensors_dev_attr(_dev_attr) \ -+ container_of(_dev_attr, struct ipmisensors_device_attribute, dev_attr) -+ -+#define IPMISENSORS_DEVICE_ATTR(_name,_mode,_show,_store,_index) \ -+struct ipmisensors_attribute sensor_dev_attr_##_name = { \ -+ .dev_attr = __ATTR(_name,_mode,_show,_store), \ -+ .index = _index, \ -+} -+ -+struct ipmisensors_bmc_device_attribute { -+ struct device_attribute dev_attr; -+ struct ipmisensors_bmc_data *bmc; -+}; -+#define to_ipmisensors_bmc_dev_attr(_dev_attr) \ -+ container_of(_dev_attr, struct ipmisensors_bmc_device_attribute, dev_attr) -+ -+/** -+ * &struct_sdrdata stores the IPMI Sensor Data Record (SDR) data, as recieved from the BMC, along with the corresponding sysfs attributes -+ */ -+struct sdrdata { -+ struct list_head list; -+ /* retrieved from SDR, not expected to change */ -+ /* Sensor Type Code */ -+ u8 stype; -+ u8 number; -+ /* Sensor Capability Code */ -+ u8 capab; -+ u16 thresh_mask; -+ u8 format; -+ u8 linear; -+ s16 m; -+ s16 b; -+ u8 k; -+ u8 nominal; -+ u8 limits[SDR_LIMITS]; -+ /* index into limits for reported upper and lower limit */ -+ int lim1, lim2; -+ u8 lim1_write, lim2_write; -+ u8 string_type; -+ u8 id_length; -+ u8 id[SDR_MAX_ID_LENGTH]; -+ /* retrieved from reading */ -+ u8 reading; -+ u8 status; -+ u8 thresholds; -+ /* sensor's bmc */ -+ struct ipmisensors_bmc_data *bmc; -+ /* sysfs entries */ -+ struct ipmisensors_device_attribute attr; -+ char *attr_name; -+ struct ipmisensors_device_attribute attr_min; -+ char *attr_min_name; -+ struct ipmisensors_device_attribute attr_max; -+ char *attr_max_name; -+ struct ipmisensors_device_attribute attr_label; -+ char *attr_label_name; -+ -+}; -+ -+/** -+ * &struct_ipmisensors_data stores the data for the ipmisensors driver. -+ */ -+struct ipmisensors_data { -+ /* Driver struct */ -+ char *driver_name; -+ -+ /* Linked list of ipmisensors_bmc_data structs, one for each BMC */ -+ struct list_head bmc_data; -+ -+ /* Number of ipmi interfaces (and hence ipmisensors_data structs). */ -+ int interfaces; -+ -+ /* IPMI kernel interface - SMI watcher */ -+ struct ipmi_smi_watcher smi_watcher; -+ -+ /* IPMI kernel interface - user handlers */ -+ struct ipmi_user_hndl ipmi_hndlrs; -+ -+ /* Cache manager for sdrdata cache */ -+ struct kmem_cache *sdrdata_cache; -+ -+ /* Cache manager for ipmi_sensor_device_attribute cache */ -+ struct kmem_cache *sysfsattr_cache; -+}; -+ -+/** -+ * &states: enumeration of state codes for a bmc specific ipmisensors -+ */ -+enum states { -+ STATE_INIT, -+ STATE_RESERVE, -+ STATE_SDR, -+ STATE_SDRPARTIAL, -+ STATE_READING, -+ STATE_UNCANCEL, -+ STATE_SYSTABLE, -+ STATE_DONE -+}; -+ -+/** -+ * &struct_ipmisensors_bmc_data stores the data for a particular IPMI BMC. -+ */ -+struct ipmisensors_bmc_data { -+ struct list_head list; -+ -+ /* The IPMI interface number */ -+ int interface_id; -+ -+ /* The IPMI address */ -+ struct ipmi_addr address; -+ -+ /* List of sdrdata structs (sdrs) recieved from the BMC */ -+ struct list_head sdrs; -+ -+ /* Count of the number of sdrs stored in the sdr list */ -+ int sdr_count; -+ -+ /* next message id */ -+ int msgid; -+ -+ /* The ipmi interface 'user' used to access this particular bmc */ -+ ipmi_user_t user; -+ -+ /* BMC IPMI Version (major) */ -+ unsigned char ipmi_version_major; -+ -+ /* BMC IPMI Version (minor) */ -+ unsigned char ipmi_version_minor; -+ -+ /* The size of the SDR request message */ -+ int ipmi_sdr_partial_size; -+ -+ /* transmit message buffer */ -+ struct kernel_ipmi_msg tx_message; -+ -+ /* ipmi transmited data buffer */ -+ unsigned char tx_msg_data[IPMI_MAX_MSG_LENGTH + 50]; /* why the +50 in bmcsensors? */ -+ -+ /* ipmi recieved data buffer */ -+ unsigned char rx_msg_data[IPMI_MAX_MSG_LENGTH + 50]; -+ -+ /* current recieve buffer offset */ -+ int rx_msg_data_offset; -+ -+ /* The id of then next SDR record to read during update cycle */ -+ u16 nextrecord; -+ -+ /* BMC SDR Reservation ID */ -+ u16 resid; -+ -+ /* Alarm status */ -+ u8 alarms; -+ -+ /* The cumalative error count for this bmc */ -+ int errorcount; -+ -+ /* The current state of this bmc w.r.t. ipmisensors (see enum states) */ -+ int state; -+ -+ /* The current sdr for which a reading is pending */ -+ struct sdrdata *current_sdr; -+ -+ /* The BMC's device struct */ -+ struct device *dev; -+ -+ /* hwmon class device */ -+ struct class_device *class_dev; -+ -+ /* hwmon device name */ -+ struct device_attribute name_attr; -+ -+ /* alarms attribute */ -+ struct ipmisensors_bmc_device_attribute alarms_attr; -+ -+ /* update_period attribute */ -+ struct ipmisensors_bmc_device_attribute update_attr; -+ -+ /* lower bound on time between updates (in seconds) */ -+ unsigned int update_period; -+ -+ /* semaphore used to do a headcount of the SDR readings we are waiting -+ * on in a given bmc update */ -+ struct semaphore update_semaphore; -+ -+ /* bmc's work struct for updating sensors */ -+ struct delayed_work update_work; -+ -+ /* bmc's work struct for building the sysfs workqueue */ -+ struct work_struct sysfs_work; -+}; -diff -rduNp linux-2.6.20.3.orig/include/linux/ipmi.h linux-2.6.20.3/include/linux/ipmi.h ---- linux-2.6.20.3.orig/include/linux/ipmi.h 2007-03-13 19:27:08.000000000 +0100 -+++ linux-2.6.20.3/include/linux/ipmi.h 2007-03-14 14:23:02.000000000 +0100 -@@ -300,6 +300,9 @@ int ipmi_create_user(unsigned int - safe, too. */ - int ipmi_destroy_user(ipmi_user_t user); - -+/* Get the IPMI BMC's device struct */ -+struct device *ipmi_get_bmcdevice(int ipmi_intf); -+ - /* Get the IPMI version of the BMC we are talking to. */ - void ipmi_get_version(ipmi_user_t user, - unsigned char *major, -diff -rduNp linux-2.6.20.3.orig/include/linux/ipmi_msgdefs.h linux-2.6.20.3/include/linux/ipmi_msgdefs.h ---- linux-2.6.20.3.orig/include/linux/ipmi_msgdefs.h 2007-03-13 19:27:08.000000000 +0100 -+++ linux-2.6.20.3/include/linux/ipmi_msgdefs.h 2007-03-14 14:23:02.000000000 +0100 -@@ -45,6 +45,7 @@ - - #define IPMI_NETFN_APP_REQUEST 0x06 - #define IPMI_NETFN_APP_RESPONSE 0x07 -+#define IPMI_GET_DEVICE_GUID_CMD 0x08 - #define IPMI_GET_DEVICE_ID_CMD 0x01 - #define IPMI_COLD_RESET_CMD 0x02 - #define IPMI_WARM_RESET_CMD 0x03 -@@ -57,6 +58,11 @@ - #define IPMI_GET_BMC_GLOBAL_ENABLES_CMD 0x2f - #define IPMI_READ_EVENT_MSG_BUFFER_CMD 0x35 - #define IPMI_GET_CHANNEL_INFO_CMD 0x42 -+#define IPMI_RESERVE_SDR 0x22 -+#define IPMI_GET_SDR 0x23 -+#define IPMI_GET_SENSOR_STATE_READING 0x2D -+#define IPMI_SET_SENSOR_HYSTERESIS 0x24 -+#define IPMI_SET_SENSOR_THRESHOLD 0x26 - - #define IPMI_NETFN_STORAGE_REQUEST 0x0a - #define IPMI_NETFN_STORAGE_RESPONSE 0x0b -@@ -79,10 +85,13 @@ - #define IPMI_NODE_BUSY_ERR 0xc0 - #define IPMI_INVALID_COMMAND_ERR 0xc1 - #define IPMI_TIMEOUT_ERR 0xc3 -+#define IPMI_INVALID_RESERVATION_ID 0xc5 - #define IPMI_ERR_MSG_TRUNCATED 0xc6 - #define IPMI_REQ_LEN_INVALID_ERR 0xc7 - #define IPMI_REQ_LEN_EXCEEDED_ERR 0xc8 - #define IPMI_NOT_IN_MY_STATE_ERR 0xd5 /* IPMI 2.0 */ -+#define IPMI_ERR_RETURNING_REQ_BYTES 0xca -+#define IPMI_ERR_PROVIDING_RESPONSE 0xce - #define IPMI_LOST_ARBITRATION_ERR 0x81 - #define IPMI_BUS_ERR 0x82 - #define IPMI_NAK_ON_WRITE_ERR 0x83 diff --git a/toolchain/kernel-headers/ipmi/linux-2.6.21.5-007-ipmisensors-20070314-1214.patch b/toolchain/kernel-headers/ipmi/linux-2.6.21.5-007-ipmisensors-20070314-1214.patch deleted file mode 100644 index aca57c37b..000000000 --- a/toolchain/kernel-headers/ipmi/linux-2.6.21.5-007-ipmisensors-20070314-1214.patch +++ /dev/null @@ -1,1914 +0,0 @@ -diff -rduNp linux-2.6.20.3.orig/drivers/char/ipmi/ipmi_msghandler.c linux-2.6.20.3/drivers/char/ipmi/ipmi_msghandler.c ---- linux-2.6.20.3.orig/drivers/char/ipmi/ipmi_msghandler.c 2007-03-13 19:27:08.000000000 +0100 -+++ linux-2.6.20.3/drivers/char/ipmi/ipmi_msghandler.c 2007-03-14 14:23:02.000000000 +0100 -@@ -1954,6 +1954,24 @@ static void remove_proc_entries(ipmi_smi - #endif /* CONFIG_PROC_FS */ - } - -+/* -+ * Retrieves the bmc_device struct for a given ipmi interface number (or NULL if none). -+ */ -+struct device *ipmi_get_bmcdevice(int if_num) -+{ -+ ipmi_smi_t intf; -+ mutex_lock(&ipmi_interfaces_mutex); -+ list_for_each_entry_rcu(intf, &ipmi_interfaces, link) { -+ if (intf->intf_num == if_num){ -+ mutex_unlock(&ipmi_interfaces_mutex); -+ return &intf->bmc->dev->dev; -+ } -+ } -+ mutex_unlock(&ipmi_interfaces_mutex); -+ -+ return NULL; -+} -+ - static int __find_bmc_guid(struct device *dev, void *data) - { - unsigned char *id = data; -@@ -4183,3 +4201,4 @@ EXPORT_SYMBOL(ipmi_get_my_LUN); - EXPORT_SYMBOL(ipmi_smi_add_proc_entry); - EXPORT_SYMBOL(ipmi_user_set_run_to_completion); - EXPORT_SYMBOL(ipmi_free_recv_msg); -+EXPORT_SYMBOL(ipmi_get_bmcdevice); -diff -rduNp linux-2.6.20.3.orig/drivers/hwmon/Kconfig linux-2.6.20.3/drivers/hwmon/Kconfig ---- linux-2.6.20.3.orig/drivers/hwmon/Kconfig 2007-03-13 19:27:08.000000000 +0100 -+++ linux-2.6.20.3/drivers/hwmon/Kconfig 2007-03-14 14:23:02.000000000 +0100 -@@ -218,6 +218,16 @@ config SENSORS_GL520SM - This driver can also be built as a module. If so, the module - will be called gl520sm. - -+config SENSORS_IPMI -+ tristate "IPMI Hardware Monitoring Support" -+ depends on HWMON && IPMI_HANDLER && EXPERIMENTAL -+ help -+ If you say yes here you get support for sensors monitored by -+ an IPMI baseboard management controller (BMC). -+ -+ This driver can also be built as a module. If so, the module -+ will be called ipmisensors. -+ - config SENSORS_IT87 - tristate "ITE IT87xx and compatibles" - depends on HWMON && I2C -diff -rduNp linux-2.6.20.3.orig/drivers/hwmon/Makefile linux-2.6.20.3/drivers/hwmon/Makefile ---- linux-2.6.20.3.orig/drivers/hwmon/Makefile 2007-03-13 19:27:08.000000000 +0100 -+++ linux-2.6.20.3/drivers/hwmon/Makefile 2007-03-14 14:23:02.000000000 +0100 -@@ -28,6 +28,7 @@ obj-$(CONFIG_SENSORS_FSCPOS) += fscpos.o - obj-$(CONFIG_SENSORS_GL518SM) += gl518sm.o - obj-$(CONFIG_SENSORS_GL520SM) += gl520sm.o - obj-$(CONFIG_SENSORS_HDAPS) += hdaps.o -+obj-$(CONFIG_SENSORS_IPMI) += ipmisensors.o - obj-$(CONFIG_SENSORS_IT87) += it87.o - obj-$(CONFIG_SENSORS_K8TEMP) += k8temp.o - obj-$(CONFIG_SENSORS_LM63) += lm63.o -diff -rduNp linux-2.6.20.3.orig/drivers/hwmon/ipmisensors.c linux-2.6.20.3/drivers/hwmon/ipmisensors.c ---- linux-2.6.20.3.orig/drivers/hwmon/ipmisensors.c 1970-01-01 01:00:00.000000000 +0100 -+++ linux-2.6.20.3/drivers/hwmon/ipmisensors.c 2007-03-14 14:44:42.000000000 +0100 -@@ -0,0 +1,1552 @@ -+/* -+ * ipmisensors.c - lm-sensors/hwmon interface to IPMI sensors. -+ * -+ * Copyright (C) 2004-2006 Yani Ioannou <yani.ioannou@gmail.com> -+ * -+ * Adapted from bmcsensors (lm-sensors for linux 2.4) -+ * bmcsensors (C) Mark D. Studebaker <mdsxyz123@yahoo.com> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License as published by -+ * the Free Software Foundation; either version 2 of the License, or -+ * (at your option) any later version. -+ * -+ * This program is distributed in the hope that it will be useful, -+ * but WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+ * GNU General Public License for more details. -+ * -+ * You should have received a copy of the GNU General Public License -+ * along with this program; if not, write to the Free Software -+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -+ */ -+ -+#include <linux/init.h> -+#include <linux/module.h> -+#include <linux/param.h> -+#include <linux/hwmon.h> -+#include <linux/list.h> -+#include <linux/slab.h> -+#include <linux/device.h> -+#include <linux/hwmon.h> -+ -+#include "ipmisensors.h" -+ -+/****** Function Prototypes ******/ -+static void ipmisensors_send_message(struct ipmisensors_bmc_data *bmc, -+ long msgid, struct kernel_ipmi_msg *msg); -+static void ipmisensors_reserve_sdr(struct ipmisensors_bmc_data *bmc); -+static void ipmisensors_get_sdr(struct ipmisensors_bmc_data *bmc, u16 res_id, -+ u16 record, u8 offset); -+static void ipmisensors_set_sensor_threshold(struct ipmisensors_bmc_data *bmc, -+ u8 number, int value, -+ int lim_index); -+static void ipmisensors_get_reading(struct ipmisensors_bmc_data *bmc, -+ struct sdrdata *sdr); -+static void ipmisensors_msg_handler(struct ipmi_recv_msg *msg, -+ void *user_msg_data); -+static int ipmisensors_intf_registered(int ipmi_intf); -+static int ipmisensors_bmc_registered(struct device *bmc); -+static void ipmisensors_register_bmc(int ipmi_intf, struct ipmi_addr *address); -+static void ipmisensors_unregister_bmc(int ipmi_intf); -+static void ipmisensors_unregister_bmc_all(void); -+static void ipmisensors_new_smi(int if_num, struct device *dev); -+static void ipmisensors_smi_gone(int if_num); -+static void ipmisensors_update_bmc(struct work_struct *); -+static void ipmisensors_cleanup(void); -+ -+/****** Static Vars ******/ -+ -+/* set when module is being removed */ -+static int cleanup = 0; -+ -+/* ipmisensors driver data */ -+static struct ipmisensors_data driver_data = { -+ .driver_name = "bmc", -+ .bmc_data = LIST_HEAD_INIT(driver_data.bmc_data), -+ .interfaces = 0, -+ .smi_watcher = { -+ .owner = THIS_MODULE, -+ .new_smi = ipmisensors_new_smi, -+ .smi_gone = ipmisensors_smi_gone, -+ }, -+ .ipmi_hndlrs = { -+ .ipmi_recv_hndl = ipmisensors_msg_handler, -+ }, -+}; -+ -+/* sensor refresh workqueue */ -+static struct workqueue_struct *ipmisensors_workqueue; -+ -+/****** SDR List Functions ******/ -+/** -+ * Creates a new sdrdata struct, or returns NULL if insufficient memory. -+ */ -+static struct sdrdata *ipmisensors_new_sdr(void) -+{ -+ struct sdrdata *sdr; -+ -+ sdr = kmem_cache_alloc(driver_data.sdrdata_cache, GFP_ATOMIC); -+ if (sdr) { -+ memset(sdr, 0, sizeof(struct sdrdata)); -+ } else { -+ printk(KERN_ERR -+ "ipmisensors: Couldn't allocate memory for new SDR\n"); -+ } -+ -+ return sdr; -+} -+ -+/** -+ * Adds the given sdrdata struct to the given bmc's SDR list. -+ * -+ * @bmc: the bmc to send the message to. -+ */ -+static inline void ipmisensors_add_sdr(struct ipmisensors_bmc_data *bmc, -+ struct sdrdata *sdr) -+{ -+ list_add(&sdr->list, &bmc->sdrs); -+ printk(KERN_DEBUG -+ "ipmisensors: SDR %d: type 0x%02x (%s)\n", -+ bmc->sdr_count, sdr->stype, sdr->id); -+ bmc->sdr_count++; -+} -+ -+/** -+ * Cleanup the sdr list for the given BMC. -+ * -+ * @bmc: the bmc to send the message to. -+ */ -+static void ipmisensors_sdr_cleanup(struct ipmisensors_bmc_data *bmc) -+{ -+ struct sdrdata *cursor, *next; -+ -+ /* find and free each sdr data struct */ -+ list_for_each_entry_safe(cursor, next, &bmc->sdrs, list) { -+ device_remove_file(bmc->dev, &cursor->attr.dev_attr); -+ device_remove_file(bmc->dev, &cursor->attr_min.dev_attr); -+ device_remove_file(bmc->dev, &cursor->attr_max.dev_attr); -+ device_remove_file(bmc->dev, &cursor->attr_label.dev_attr); -+ -+ kfree(cursor->attr_name); -+ kfree(cursor->attr_max_name); -+ kfree(cursor->attr_min_name); -+ kfree(cursor->attr_label_name); -+ -+ list_del(&cursor->list); -+ kmem_cache_free(driver_data.sdrdata_cache, cursor); -+ } -+} -+ -+/* worker function for workqueue ipmisensors_workqueue */ -+static void ipmisensors_update_bmc(struct work_struct *work) -+{ -+ struct ipmisensors_bmc_data *bmc = container_of(work, struct ipmisensors_bmc_data, update_work.work); -+ -+ /* don't start an update cycle if one already in progress */ -+ if (bmc->state != STATE_READING) { -+ struct sdrdata *cursor, *next; -+ bmc->state = STATE_READING; -+ printk(KERN_DEBUG "ipmisensors: starting update\n"); -+ -+ /* init semaphore to 1 for update cycle */ -+ sema_init(&bmc->update_semaphore, 1); -+ -+ /* update each sdr reading */ -+ list_for_each_entry_safe(cursor, next, &bmc->sdrs, list) { -+ ipmisensors_get_reading(bmc, cursor); -+ } -+ } -+ -+ /* wait for readings (need timeout?) */ -+ down_interruptible(&bmc->update_semaphore); -+ -+ printk(KERN_DEBUG "ipmisensors: update complete\n"); -+ -+ bmc->state = STATE_DONE; -+ -+ /* if the module isn't cleaning up, schedule another update */ -+ if (!cleanup) -+ queue_delayed_work(ipmisensors_workqueue, &bmc->update_work, -+ bmc->update_period * HZ); -+} -+ -+/****** IPMI Message Sending ******/ -+ -+/** -+ * Send a message to the IPMI BMC -+ * -+ * @bmc: the bmc to send the message to. -+ * @msgid: the message id to use. -+ * @msg: the ipmi message structure. -+ */ -+static void ipmisensors_send_message(struct ipmisensors_bmc_data *bmc, -+ long msgid, struct kernel_ipmi_msg *msg) -+{ -+ if (msg->data == NULL) -+ printk(KERN_DEBUG "ipmisensors: Send 0x%x\n", msg->cmd); -+ else -+ printk(KERN_DEBUG "ipmisensors: Send 0x%x 0x%x 0x%x\n", -+ msg->cmd, msg->data[0], msg->data[1]); -+ -+ /* This should be ipmi_request, but Corey had to remove -+ * that due to it being unused at the moment, as soon as -+ * this makes it into the kernel we should request it be re-instated. -+ */ -+ ipmi_request_settime(bmc->user, &bmc->address, msgid, msg, bmc, 0, -+ -1, 0); -+} -+ -+/** -+ * Compose and send a "reserve SDR" message -+ * -+ * @bmc: the bmc to send the message to. -+ */ -+static void ipmisensors_reserve_sdr(struct ipmisensors_bmc_data *bmc) -+{ -+ bmc->tx_message.netfn = IPMI_NETFN_STORAGE_REQUEST; -+ bmc->tx_message.cmd = IPMI_RESERVE_SDR; -+ bmc->tx_message.data_len = 0; -+ bmc->tx_message.data = NULL; -+ -+ ipmisensors_send_message(bmc, bmc->msgid++, &bmc->tx_message); -+} -+ -+/** -+ * Componse and send a "get SDR" message -+ * -+ * @bmc: the bmc to send the message to. -+ * @res_id: -+ * @record: -+ * @offset: -+ */ -+static void ipmisensors_get_sdr(struct ipmisensors_bmc_data *bmc, u16 res_id, -+ u16 record, u8 offset) -+{ -+ printk(KERN_DEBUG "ipmisensors: Get SDR 0x%x 0x%x 0x%x\n", -+ res_id, record, offset); -+ bmc->tx_message.netfn = IPMI_NETFN_STORAGE_REQUEST; -+ bmc->tx_message.cmd = IPMI_GET_SDR; -+ bmc->tx_message.data_len = 6; -+ bmc->tx_message.data = bmc->tx_msg_data; -+ bmc->tx_msg_data[0] = res_id & 0xff; -+ bmc->tx_msg_data[1] = res_id >> 8; -+ bmc->tx_msg_data[2] = record & 0xff; -+ bmc->tx_msg_data[3] = record >> 8; -+ bmc->tx_msg_data[4] = offset; -+ bmc->tx_msg_data[5] = bmc->ipmi_sdr_partial_size; -+ -+ ipmisensors_send_message(bmc, bmc->msgid++, &bmc->tx_message); -+} -+ -+/** -+ * Compose and send a "set sensor threshold" message -+ * -+ * @bmc: the bmc to send the message to. -+ * @id: the ipmi id number of the sensor. -+ * @value: the new value for the threshold. -+ * @lim_index: the index in the lim[] array for which this value applies. -+ */ -+static void ipmisensors_set_sensor_threshold(struct ipmisensors_bmc_data *bmc, -+ u8 number, int value, -+ int lim_index) -+{ -+ int i; -+ -+ printk(KERN_DEBUG "ipmisensors: Set SDR Threshold %d %d %d\n", -+ number, value, lim_index); -+ bmc->tx_message.netfn = IPMI_NETFN_STORAGE_REQUEST; -+ bmc->tx_message.cmd = IPMI_SET_SENSOR_THRESHOLD; -+ bmc->tx_message.data_len = 8; -+ bmc->tx_message.data = bmc->tx_msg_data; -+ bmc->tx_msg_data[0] = number & 0xff; -+ bmc->tx_msg_data[1] = 0x01 << lim_index; -+ -+ if (lim_index > 5 || lim_index < 0) { -+ printk(KERN_INFO -+ "ipmisensors: Error - ipmisensors_set_sensor_threshold given invalid lim_index\n"); -+ return; -+ } -+ -+ for (i = 2; i < 8; i++) -+ bmc->tx_msg_data[i] = 0x00; -+ -+ bmc->tx_msg_data[lim_index] = value && 0xff; -+ -+ ipmisensors_send_message(bmc, bmc->msgid++, &bmc->tx_message); -+} -+ -+/** -+ * Compose and send a "get sensor reading" message for the given sdr. -+ * -+ * @bmc: the bmc to send the message to. -+ * @sdr: the sdr of the sensor to get the reading for. -+ */ -+static void ipmisensors_get_reading(struct ipmisensors_bmc_data *bmc, -+ struct sdrdata *sdr) -+{ -+ bmc->tx_message.netfn = IPMI_NETFN_SENSOR_EVENT_REQUEST; -+ bmc->tx_message.cmd = IPMI_GET_SENSOR_STATE_READING; -+ bmc->tx_message.data_len = 1; -+ bmc->tx_message.data = bmc->tx_msg_data; -+ bmc->tx_msg_data[0] = sdr->number; -+ bmc->current_sdr = sdr; -+ -+ ipmisensors_send_message(bmc, bmc->msgid++, &bmc->tx_message); -+ down_interruptible(&bmc->update_semaphore); -+} -+ -+/****** IPMI Message Receiving ******/ -+ -+/** -+ * Process an sensor reading response message. -+ * -+ * @bmc: the bmc the message is from -+ * @msg: the IPMI SDR response message -+ */ -+static void ipmisensors_rcv_reading_msg(struct ipmisensors_bmc_data *bmc, -+ struct kernel_ipmi_msg *msg) -+{ -+ struct sdrdata *sdr = bmc->current_sdr; -+ -+ if (sdr == NULL) { -+ printk(KERN_ERR -+ "ipmisensors: Error ipmisensors_rcv_reading with NULL sdr\n"); -+ return; -+ } -+ -+ sdr->reading = msg->data[1]; -+ sdr->status = msg->data[2]; -+ sdr->thresholds = msg->data[3]; -+ -+ printk(KERN_DEBUG "ipmisensors: sensor %d (type %d) reading %d\n", -+ sdr->number, sdr->stype, msg->data[1]); -+ -+ up(&bmc->update_semaphore); -+} -+ -+/** -+ * Unpack based on string type, convert to normal, null terminate. -+ */ -+static void ipmisensors_sprintf(u8 * to, u8 * from, u8 type, u8 length) -+{ -+ static const u8 *bcdplus = "0123456789 -.:,_"; -+ int i; -+ -+ switch (type) { -+ case 0: /* unicode */ -+ for (i = 0; i < length; i++) -+ *to++ = (*from++ & 0x7f); -+ *to = 0; -+ break; -+ case 1: /* BCD Plus */ -+ for (i = 0; i < length; i++) -+ *to++ = bcdplus[*from++ & 0x0f]; -+ *to = 0; -+ break; -+ case 2: /* packed ascii *//* if not a mult. of 3 this will run over */ -+ for (i = 0; i < length; i += 3) { -+ *to++ = *from & 0x3f; -+ *to++ = *from >> 6 | ((*(from+1) & 0xf) << 2); -+ from++; -+ *to++ = *from >> 4 | ((*(from+1) & 0x3) << 4); -+ from++; -+ *to++ = (*from++ >> 2) & 0x3f; -+ } -+ *to = 0; -+ break; -+ case 3: /* normal */ -+ if (length > 1) -+ memcpy(to, from, length); -+ to[length] = 0; -+ break; -+ } -+} -+ -+/* IPMI V1.5 Section 30 */ -+static const int exps[] = -+ { 1, 10, 100, 1000, 10000, 100000, 1000000, 10000000 }; -+ -+/* Return 0 for fan, 2 for temp, 3 for voltage -+ We could make it variable based on the accuracy (= log10(m * 10**k2)); -+ this would work for /proc output, however libsensors resolution -+ is statically set in lib/chips.c */ -+static int decplaces(struct sdrdata *sd) -+{ -+ switch (sd->stype) { -+ case STYPE_TEMP: -+ return 2; -+ case STYPE_CURR: -+ case STYPE_VOLT: -+ return 3; -+ case STYPE_FAN: -+ default: -+ return 0; -+ } -+} -+ -+/* convert a raw value to a reading. IMPI V1.5 Section 30 */ -+static long conv_val(int value, struct sdrdata *sd) -+{ -+ u8 k1, k2; -+ long r; -+ -+ r = value * sd->m; -+ k1 = sd->k & 0x0f; -+ k2 = sd->k >> 4; -+ if (k1 < 8) -+ r += sd->b * exps[k1]; -+ else -+ r += sd->b / exps[16 - k1]; -+ r *= exps[decplaces(sd)]; -+ if (k2 < 8) { -+ if (sd->linear != 7) -+ r *= exps[k2]; -+ else -+ /* this will always truncate to 0: r = 1 / (exps[k2] * r); */ -+ r = 0; -+ } else { -+ if (sd->linear != 7) -+ r /= exps[16 - k2]; -+ else { -+ if (r != 0) -+ /* 1 / x * 10 ** (-m) == 10 ** m / x */ -+ r = exps[16 - k2] / r; -+ else -+ r = 0; -+ } -+ } -+ -+ return r; -+} -+ -+static const char *threshold_text[] = { -+ "upper non-recoverable threshold", -+ "upper critical threshold", -+ "upper non-critical threshold", -+ "lower non-recoverable threshold", -+ "lower critical threshold", -+ "lower non-critical threshold", -+ "positive-going hysteresis", -+ "negative-going hysteresis" /* unused */ -+}; -+ -+/* select two out of the 8 possible readable thresholds, and place indexes into the limits -+ array into lim1 and lim2. Set writable flags */ -+static void ipmisensors_select_thresholds(struct sdrdata *sd) -+{ -+ u8 capab = sd->capab; -+ u16 mask = sd->thresh_mask; -+ int tmp; -+ -+ sd->lim1 = -1; -+ sd->lim2 = -1; -+ sd->lim1_write = 0; -+ sd->lim2_write = 0; -+ -+ if (((capab & 0x0c) == 0x04) || /* readable thresholds ? */ -+ ((capab & 0x0c) == 0x08)) { -+ /* select upper threshold */ -+ if (mask & 0x10) { /* upper crit */ -+ sd->lim1 = 1; -+ if ((capab & 0x0c) == 0x08 && (mask & 0x1000)) -+ sd->lim1_write = 1; -+ } else if (mask & 0x20) { /* upper non-recov */ -+ sd->lim1 = 0; -+ if ((capab & 0x0c) == 0x08 && (mask & 0x2000)) -+ sd->lim1_write = 1; -+ } else if (mask & 0x08) { /* upper non-crit */ -+ sd->lim1 = 2; -+ if ((capab & 0x0c) == 0x08 && (mask & 0x0800)) -+ sd->lim1_write = 1; -+ } -+ -+ /* select lower threshold */ -+ if ((((capab & 0x30) == 0x10) || /* readable ? */ -+ ((capab & 0x30) == 0x20)) && /* pos hyst */ -+ sd->stype == STYPE_TEMP) -+ sd->lim2 = 6; -+ else if (mask & 0x02) { /* lower crit */ -+ sd->lim2 = 4; -+ if ((capab & 0x0c) == 0x08 && (mask & 0x0200)) -+ sd->lim2_write = 1; -+ } else if (mask & 0x04) { /* lower non-recov */ -+ sd->lim2 = 3; -+ if ((capab & 0x0c) == 0x08 && (mask & 0x0400)) -+ sd->lim2_write = 1; -+ } else if (mask & 0x01) { /* lower non-crit */ -+ sd->lim2 = 5; -+ if ((capab & 0x0c) == 0x08 && (mask & 0x0100)) -+ sd->lim2_write = 1; -+ } -+ } -+ -+ /* swap lim1/lim2 if m < 0 or function is 1/x (but not both!) */ -+ if ((sd->m < 0 && sd->linear != 7) || (sd->m >= 0 && sd->linear == 7)) { -+ tmp = sd->lim1; -+ sd->lim1 = sd->lim2; -+ sd->lim2 = tmp; -+ } -+ -+ if (sd->lim1 >= 0) -+ printk(KERN_INFO "ipmisensors: using %s for upper limit\n", -+ threshold_text[sd->lim1]); -+ else -+ printk(KERN_DEBUG "ipmisensors: no readable upper limit\n"); -+ -+ if (sd->lim2 >= 0) -+ printk(KERN_INFO "ipmisensors: using %s for lower limit\n", -+ threshold_text[sd->lim2]); -+ else -+ printk(KERN_DEBUG "ipmisensors: no readable lower limit\n"); -+} -+ -+/************* sysfs callback functions *********/ -+static ssize_t show_update_period(struct device *dev, -+ struct device_attribute *attr, char *buf) -+{ -+ struct ipmisensors_bmc_device_attribute *aattr = -+ to_ipmisensors_bmc_dev_attr(attr); -+ -+ return snprintf(buf, 20, "%d\n", aattr->bmc->update_period); -+} -+ -+static ssize_t store_update_period(struct device *dev, -+ struct device_attribute *attr, -+ const char *buf, size_t count) -+{ -+ struct ipmisensors_bmc_device_attribute *aattr = -+ to_ipmisensors_bmc_dev_attr(attr); -+ -+ aattr->bmc->update_period = simple_strtoul(buf, NULL, 10);; -+ return count; -+}; -+ -+static ssize_t show_sensor(struct device *dev, struct device_attribute *attr, -+ char *buf) -+{ -+ struct ipmisensors_device_attribute *sattr = -+ to_ipmisensors_dev_attr(attr); -+ return snprintf(buf, 20, "%ld\n", -+ conv_val(sattr->sdr->reading, sattr->sdr)); -+} -+ -+static ssize_t show_sensor_max(struct device *dev, -+ struct device_attribute *attr, char *buf) -+{ -+ long max = 0; -+ struct ipmisensors_device_attribute *sattr = -+ to_ipmisensors_dev_attr(attr); -+ -+ if (sattr->sdr->lim1 >= 0) -+ max = conv_val(sattr->sdr->limits[sattr->sdr->lim1], -+ sattr->sdr); -+ return snprintf(buf, 20, "%ld\n", max); -+} -+ -+static ssize_t show_sensor_min(struct device *dev, -+ struct device_attribute *attr, char *buf) -+{ -+ long min = 0; -+ struct ipmisensors_device_attribute *sattr = -+ to_ipmisensors_dev_attr(attr); -+ -+ if (sattr->sdr->lim2 >= 0) -+ min = conv_val(sattr->sdr->limits[sattr->sdr->lim2], -+ sattr->sdr); -+ return snprintf(buf, 20, "%ld\n", min); -+}; -+ -+static ssize_t show_sensor_label(struct device *dev, -+ struct device_attribute *attr, char *buf) -+{ -+ u8 label[SDR_MAX_UNPACKED_ID_LENGTH]; -+ struct ipmisensors_device_attribute *sattr = -+ to_ipmisensors_dev_attr(attr); -+ -+ ipmisensors_sprintf(label, sattr->sdr->id, sattr->sdr->string_type, -+ sattr->sdr->id_length); -+ return snprintf(buf, 20, "%s\n", label); -+}; -+ -+static ssize_t store_sensor_max(struct device *dev, -+ struct device_attribute *attr, const char *buf, -+ size_t count) -+{ -+ long val = simple_strtoul(buf, NULL, 10); -+ struct ipmisensors_device_attribute *sattr = -+ to_ipmisensors_dev_attr(attr); -+ printk(KERN_DEBUG "ipmisensors: set max on sensor #%d to %ld", -+ sattr->sdr->number, val); -+ ipmisensors_set_sensor_threshold(sattr->sdr->bmc, sattr->sdr->number, -+ val, sattr->sdr->lim1); -+ return count; -+}; -+ -+static ssize_t store_sensor_min(struct device *dev, -+ struct device_attribute *attr, const char *buf, -+ size_t count) -+{ -+ long val = simple_strtoul(buf, NULL, 10); -+ struct ipmisensors_device_attribute *sattr = -+ to_ipmisensors_dev_attr(attr); -+ printk(KERN_DEBUG "ipmisensors: set min on sensor #%d to %ld", -+ sattr->sdr->number, val); -+ ipmisensors_set_sensor_threshold(sattr->sdr->bmc, sattr->sdr->number, -+ val, sattr->sdr->lim2); -+ return count; -+}; -+ -+static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, -+ char *buf) -+{ -+ struct ipmisensors_bmc_device_attribute *aattr = -+ to_ipmisensors_bmc_dev_attr(attr); -+ return snprintf(buf, 20, "%d\n", aattr->bmc->alarms); -+}; -+ -+static ssize_t show_name(struct device *dev, struct device_attribute *attr, -+ char *buf) -+{ -+ return snprintf(buf, 20, "%s\n", driver_data.driver_name); -+}; -+ -+/* work function to build the sysfs entries using the ipmi sdrs */ -+static void ipmisensors_build_sysfs(struct work_struct *work) -+{ -+ int temps = 0, volts = 0, currs = 0, fans = 0; -+ struct sdrdata *cursor, *next; -+ struct ipmisensors_bmc_data *bmc = container_of(work, struct ipmisensors_bmc_data, sysfs_work); -+ -+ /* find and create entries for each sdr data struct */ -+ list_for_each_entry_safe(cursor, next, &bmc->sdrs, list) { -+ u8 id[SDR_MAX_UNPACKED_ID_LENGTH]; -+ -+ cursor->attr_name = -+ (char *)kmalloc(sizeof(char) * MAX_FILENAME_LENGTH, -+ GFP_KERNEL); -+ cursor->attr_max_name = -+ (char *)kmalloc(sizeof(char) * MAX_FILENAME_LENGTH, -+ GFP_KERNEL); -+ cursor->attr_min_name = -+ (char *)kmalloc(sizeof(char) * MAX_FILENAME_LENGTH, -+ GFP_KERNEL); -+ -+ if (cursor->id_length > 0) { -+ cursor->attr_label_name = -+ (char *)kmalloc(sizeof(char) * MAX_FILENAME_LENGTH, -+ GFP_KERNEL); -+ -+ if (cursor->attr_label_name == NULL) { -+ printk(KERN_INFO -+ "ipmisensors: Out of memory (kmalloc failed)"); -+ kfree(cursor->attr_name); -+ kfree(cursor->attr_max_name); -+ kfree(cursor->attr_min_name); -+ return; -+ } -+ } -+ -+ if (cursor->attr_name == NULL || cursor->attr_max_name == NULL -+ || cursor->attr_min_name == NULL -+ || cursor->attr_label_name == NULL) { -+ printk(KERN_INFO -+ "ipmisensors: Out of memory (kmalloc failed)"); -+ kfree(cursor->attr_name); -+ kfree(cursor->attr_max_name); -+ kfree(cursor->attr_min_name); -+ kfree(cursor->attr_label_name); -+ return; -+ } -+ -+ switch (cursor->stype) { -+ case (STYPE_TEMP): -+ /* create the name of the sensor */ -+ snprintf(cursor->attr_name, MAX_FILENAME_LENGTH, -+ "temp%d_input", ++temps); -+ /* create min, max attributes */ -+ snprintf(cursor->attr_max_name, MAX_FILENAME_LENGTH, -+ "temp%d_max", temps); -+ snprintf(cursor->attr_min_name, MAX_FILENAME_LENGTH, -+ "temp%d_min", temps); -+ /* create the label of the sensor */ -+ snprintf(cursor->attr_label_name, MAX_FILENAME_LENGTH, -+ "temp%d_label", temps); -+ break; -+ case (STYPE_VOLT): -+ /* create the name of the sensor */ -+ snprintf(cursor->attr_name, MAX_FILENAME_LENGTH, -+ "in%d_input", ++volts); -+ /* create min, max attributes */ -+ snprintf(cursor->attr_max_name, MAX_FILENAME_LENGTH, -+ "in%d_max", volts); -+ snprintf(cursor->attr_min_name, MAX_FILENAME_LENGTH, -+ "in%d_min", volts); -+ /* create the label of the sensor */ -+ snprintf(cursor->attr_label_name, MAX_FILENAME_LENGTH, -+ "in%d_label", volts); -+ break; -+ case (STYPE_CURR): -+ /* create the name of the sensor */ -+ snprintf(cursor->attr_name, MAX_FILENAME_LENGTH, -+ "curr%d_input", ++currs); -+ /* create min, max attributes */ -+ sprintf(cursor->attr_max_name, "curr%d_max", currs); -+ sprintf(cursor->attr_min_name, "curr%d_min", currs); -+ /* create the label of the sensor */ -+ snprintf(cursor->attr_label_name, MAX_FILENAME_LENGTH, -+ "curr%d_label", currs); -+ break; -+ case (STYPE_FAN): -+ /* create the name of the sensor */ -+ snprintf(cursor->attr_name, MAX_FILENAME_LENGTH, -+ "fan%d_input", ++fans); -+ /* create min, max attributes */ -+ sprintf(cursor->attr_max_name, "fan%d_max", fans); -+ sprintf(cursor->attr_min_name, "fan%d_min", fans); -+ /* create the label of the sensor */ -+ snprintf(cursor->attr_label_name, MAX_FILENAME_LENGTH, -+ "fan%d_label", fans); -+ break; -+ default: -+ printk(KERN_INFO "ipmisensors: unkown sensor type\n"); -+ continue; -+ } -+ -+ cursor->attr.dev_attr.attr.name = cursor->attr_name; -+ cursor->attr.dev_attr.attr.mode = S_IRUGO; -+ cursor->attr.dev_attr.attr.owner = THIS_MODULE; -+ cursor->attr.dev_attr.show = show_sensor; -+ cursor->attr.dev_attr.store = NULL; -+ cursor->attr.sdr = cursor; -+ -+ cursor->attr_min.dev_attr.attr.name = cursor->attr_min_name; -+ cursor->attr_min.dev_attr.attr.owner = THIS_MODULE; -+ cursor->attr_min.dev_attr.show = show_sensor_min; -+ cursor->attr_min.sdr = cursor; -+ -+ if (cursor->lim2_write) { -+ printk(KERN_INFO -+ "ipmisensors: You have a writable sensor threshold! Send me an e-mail at <yani.ioannou@gmail.com>.\n"); -+ cursor->attr_min.dev_attr.store = store_sensor_min; -+ cursor->attr_min.dev_attr.attr.mode = S_IWUSR | S_IRUGO; -+ } else { -+ cursor->attr_min.dev_attr.store = NULL; -+ cursor->attr_min.dev_attr.attr.mode = S_IRUGO; -+ } -+ -+ cursor->attr_max.dev_attr.attr.name = cursor->attr_max_name; -+ cursor->attr_max.dev_attr.attr.owner = THIS_MODULE; -+ cursor->attr_max.dev_attr.show = show_sensor_max; -+ cursor->attr_max.sdr = cursor; -+ -+ if (cursor->lim1_write) { -+ printk(KERN_INFO -+ "ipmisensors: You have a writable sensor threshold! Send me an e-mail at <yani.ioannou@gmail.com>.\n"); -+ cursor->attr_max.dev_attr.store = store_sensor_max; -+ cursor->attr_max.dev_attr.attr.mode = S_IWUSR | S_IRUGO; -+ } else { -+ cursor->attr_max.dev_attr.store = NULL; -+ cursor->attr_max.dev_attr.attr.mode = S_IRUGO; -+ } -+ -+ if (cursor->id_length > 0) { -+ cursor->attr_label.dev_attr.attr.name = -+ cursor->attr_label_name; -+ cursor->attr_label.dev_attr.attr.mode = S_IRUGO; -+ cursor->attr_label.dev_attr.attr.owner = THIS_MODULE; -+ cursor->attr_label.dev_attr.show = show_sensor_label; -+ cursor->attr_label.dev_attr.store = NULL; -+ cursor->attr_label.sdr = cursor; -+ } -+ -+ printk(KERN_INFO -+ "ipmisensors: registering sensor %d: (type 0x%.2x) " -+ "(fmt=%d; m=%d; b=%d; k1=%d; k2=%d; cap=0x%.2x; mask=0x%.4x)\n", -+ cursor->number, cursor->stype, cursor->format, cursor->m, -+ cursor->b, cursor->k & 0xf, cursor->k >> 4, -+ cursor->capab, cursor->thresh_mask); -+ -+ if (cursor->id_length > 0) { -+ ipmisensors_sprintf(id, cursor->id, cursor->string_type, -+ cursor->id_length); -+ switch (cursor->stype) { -+ case (STYPE_TEMP): -+ printk(KERN_INFO -+ "ipmisensors: sensors.conf: label temp%d \"%s\"\n", -+ temps, id); -+ break; -+ case (STYPE_VOLT): -+ printk(KERN_INFO -+ "ipmisensors: sensors.conf: label in%d \"%s\"\n", -+ volts, id); -+ break; -+ case (STYPE_CURR): -+ printk(KERN_INFO -+ "ipmisensors: sensors.conf: label curr%d \"%s\"\n", -+ currs, id); -+ break; -+ case (STYPE_FAN): -+ printk(KERN_INFO -+ "ipmisensors: sensors.conf: label fan%d \"%s\"\n", -+ fans, id); -+ break; -+ } -+ } -+ -+ ipmisensors_select_thresholds(cursor); -+ -+ if (cursor->linear != 0 && cursor->linear != 7) { -+ printk(KERN_INFO -+ "ipmisensors: sensor %d: nonlinear function 0x%.2x unsupported, expect bad results\n", -+ cursor->number, cursor->linear); -+ } -+ -+ if ((cursor->format & 0x03) == 0x02) { -+ printk(KERN_INFO -+ "ipmisensors: sensor %d: 1's complement format unsupported, expect bad results\n", -+ cursor->number); -+ } else if ((cursor->format & 0x03) == 0x03) { -+ printk(KERN_INFO -+ "ipmisensors: sensor %d: threshold sensor only, no readings available", -+ cursor->number); -+ } -+ -+ if (cursor->lim1_write || cursor->lim2_write) -+ cursor->attr.dev_attr.attr.mode = 0644; -+ else -+ cursor->attr.dev_attr.attr.mode = 0444; -+ -+ if (device_create_file(bmc->dev, &cursor->attr.dev_attr) < 0 -+ || device_create_file(bmc->dev, -+ &cursor->attr_min.dev_attr) < 0 -+ || device_create_file(bmc->dev, -+ &cursor->attr_max.dev_attr) < 0 -+ || (cursor->id_length > -+ 0 ? device_create_file(bmc->dev, -+ &cursor->attr_label.dev_attr) < -+ 0 : 0) -+ ) { -+ printk(KERN_INFO -+ "ipmisensors: sysfs file creation failed for SDR %d (%s).\n", -+ cursor->number, cursor->id); -+ kfree(cursor->attr_name); -+ kfree(cursor->attr_max_name); -+ kfree(cursor->attr_min_name); -+ kfree(cursor->attr_label_name); -+ return; -+ } -+ } -+ -+ bmc->alarms_attr.dev_attr.attr.name = "alarms"; -+ bmc->alarms_attr.dev_attr.attr.mode = S_IRUGO; -+ bmc->alarms_attr.dev_attr.attr.owner = THIS_MODULE; -+ bmc->alarms_attr.dev_attr.show = show_alarms; -+ bmc->alarms_attr.dev_attr.store = NULL; -+ bmc->alarms_attr.bmc = bmc; -+ -+ if (device_create_file(bmc->dev, &bmc->alarms_attr.dev_attr) < 0) { -+ printk(KERN_INFO -+ "ipmisensors: Failed to create sysfs entry 'alarms'"); -+ return; -+ } -+ -+ bmc->name_attr.attr.name = "name"; -+ bmc->name_attr.attr.mode = S_IRUGO; -+ bmc->name_attr.attr.owner = THIS_MODULE; -+ bmc->name_attr.show = show_name; -+ -+ if (device_create_file(bmc->dev, &bmc->name_attr) < 0) { -+ printk(KERN_INFO -+ "ipmisensors: Failed to create sysfs entry 'name'"); -+ return; -+ } -+ -+ bmc->update_attr.dev_attr.attr.name = "update_period"; -+ bmc->update_attr.dev_attr.attr.mode = S_IWUSR | S_IRUGO; -+ bmc->update_attr.dev_attr.attr.owner = THIS_MODULE; -+ bmc->update_attr.dev_attr.show = show_update_period; -+ bmc->update_attr.dev_attr.store = store_update_period; -+ bmc->update_attr.bmc = bmc; -+ -+ if (device_create_file(bmc->dev, &bmc->update_attr.dev_attr) < 0) { -+ printk(KERN_INFO -+ "ipmisensors: Failed to create sysfs entry 'update_period'"); -+ return; -+ } -+ -+ printk(KERN_INFO -+ "ipmisensors: registered %d temp, %d volt, %d current, %d fan sensors\n", -+ temps, volts, currs, fans); -+ -+ /* This completes the initialization. We can now kickoff the -+ * periodic update of the bmc sensor's values by scheduling -+ * the first work. -+ */ -+ queue_work(ipmisensors_workqueue, &bmc->update_work.work); -+ -+} -+ -+/** -+ * Process an SDR response message, save the SDRs we like in the sdr -+ * list for the given BMC. -+ * -+ * @bmc: the bmc the message is from -+ * @msg: the IPMI SDR response message -+ */ -+static void ipmisensors_rcv_sdr_msg(struct ipmisensors_bmc_data *bmc, -+ struct kernel_ipmi_msg *msg) -+{ -+ u16 record; -+ int type; -+ int stype; -+ int id_length; -+ int i; -+ int ipmi_ver = 0; -+ unsigned char *data; -+ u8 id[SDR_MAX_UNPACKED_ID_LENGTH]; -+ struct sdrdata *sdr; -+ -+ if (msg->data[0] != 0) { -+ /* cut request in half and try again */ -+ bmc->ipmi_sdr_partial_size /= 2; -+ if (bmc->ipmi_sdr_partial_size < 8) { -+ printk(KERN_INFO -+ "ipmisensors: IPMI buffers too small, giving up\n"); -+ bmc->state = STATE_DONE; -+ return; -+ } -+ printk(KERN_DEBUG -+ "ipmisensors: Reducing SDR request size to %d\n", -+ bmc->ipmi_sdr_partial_size); -+ -+ ipmisensors_get_sdr(bmc, 0, 0, 0); -+ bmc->state = STATE_SDR; -+ return; -+ } -+ if (bmc->ipmi_sdr_partial_size < IPMI_SDR_SIZE) { -+ if (bmc->rx_msg_data_offset == 0) { -+ memcpy(bmc->rx_msg_data, msg->data, -+ bmc->ipmi_sdr_partial_size + 3); -+ bmc->rx_msg_data_offset = -+ bmc->ipmi_sdr_partial_size + 3; -+ } else { -+ memcpy(bmc->rx_msg_data + bmc->rx_msg_data_offset, -+ msg->data + 3, bmc->ipmi_sdr_partial_size); -+ bmc->rx_msg_data_offset += bmc->ipmi_sdr_partial_size; -+ } -+ if (bmc->rx_msg_data_offset > bmc->rx_msg_data[7] + 7) { -+ /* got last chunk */ -+ bmc->rx_msg_data_offset = 0; -+ data = bmc->rx_msg_data; -+ } else { -+ /* get more */ -+ record = -+ (bmc->rx_msg_data[4] << 8) | bmc->rx_msg_data[3]; -+ ipmisensors_get_sdr(bmc, bmc->resid, record, -+ bmc->rx_msg_data_offset - 3); -+ bmc->state = STATE_SDR; -+ return; -+ } -+ } else { -+ /* got it in one chunk */ -+ data = msg->data; -+ } -+ -+ bmc->nextrecord = (data[2] << 8) | data[1]; -+ -+ /* If the ipmi version is 0.9 we have to remap some things. -+ * Yes this is very ugly, but we aren't the ones who -+ * implemented an incomplete spec! -+ */ -+ ipmi_ver = data[5]; -+ -+ type = data[6]; -+ /* known SDR type */ -+ if (type == 1 || type == 2) { -+ stype = data[(ipmi_ver == 0x90 ? 16 : 15)]; -+ /* known sensor type */ -+ if (stype <= STYPE_MAX) { -+ if (data[(ipmi_ver == 0x90 ? 17 : 16)] != 0x01) { -+ if (type == 1) -+ ipmisensors_sprintf(id, &data[51], -+ data[50] >> 6, -+ data[50] & 0x1f); -+ else -+ ipmisensors_sprintf(id, -+ &data[(ipmi_ver == -+ 0x90 ? 30 : -+ 35)], -+ data[(ipmi_ver == -+ 0x90 ? 29 : -+ 34)] >> 6, -+ data[(ipmi_ver == -+ 0x90 ? 29 : -+ 34)] & 0x1f); -+ printk(KERN_INFO -+ "ipmisensors: skipping non-threshold sensor \"%s\"\n", -+ id); -+ } else { -+ /* add entry to sdrd table */ -+ sdr = ipmisensors_new_sdr(); -+ if (!sdr) { -+ printk(KERN_ERR -+ "ipmisensors: could not allocate memory for new SDR"); -+ return; -+ } -+ sdr->bmc = bmc; -+ sdr->stype = stype; -+ sdr->number = data[10]; -+ sdr->capab = data[(ipmi_ver == 0x90 ? 15 : 14)]; -+ sdr->thresh_mask = -+ (((u16) data[(ipmi_ver == 0x90 ? 21 : 22)]) -+ << 8) | data[21]; -+ if (type == 1) { -+ sdr->format = -+ data[(ipmi_ver == -+ 0x90 ? 22 : 24)] >> 6; -+ sdr->linear = -+ data[(ipmi_ver == -+ 0x90 ? 25 : 26)] & 0x7f; -+ sdr->m = -+ data[(ipmi_ver == 0x90 ? 26 : 27)]; -+ sdr->m |= ((u16) -+ (data -+ [(ipmi_ver == -+ 0x90 ? 27 : 28)] -+ & 0xc0)) << 2; -+ if (sdr->m & 0x0200) { -+ /* sign extend */ -+ sdr->m |= 0xfc00; -+ } -+ sdr->b = -+ data[(ipmi_ver == 0x90 ? 28 : 29)]; -+ sdr->b |= ((u16) -+ (data -+ [(ipmi_ver == -+ 0x90 ? 29 : 30)] -+ & 0xc0)) << 2; -+ if (sdr->b & 0x0200) { -+ /* sign extend */ -+ sdr->b |= 0xfc00; -+ } -+ sdr->k = -+ data[(ipmi_ver == 0x90 ? 31 : 32)]; -+ sdr->nominal = -+ data[(ipmi_ver == 0x90 ? 33 : 34)]; -+ for (i = 0; i < SDR_LIMITS; i++) { -+ /* assume readable */ -+ sdr->limits[i] = -+ data[(ipmi_ver == -+ 0x90 ? 40 : 39) + i]; -+ } -+ sdr->string_type = data[50] >> 6; -+ id_length = data[50] & 0x1f; -+ memcpy(sdr->id, &data[51], id_length); -+ sdr->id_length = id_length; -+ } else { -+ sdr->m = 1; -+ sdr->b = 0; -+ sdr->k = 0; -+ sdr->string_type = -+ data[(ipmi_ver == -+ 0x90 ? 29 : 34)] >> 6; -+ id_length = data[34] & 0x1f; -+ if (id_length > 0) { -+ memcpy(sdr->id, -+ &data[(ipmi_ver == -+ 0x90 ? 30 : 35)], -+ id_length); -+ } -+ sdr->id_length = id_length; -+ /* limits?? */ -+ if (ipmi_ver == 0x90) { -+ memcpy(sdr->id, -+ &data[30], id_length); -+ sdr->id_length = id_length; -+ } -+ } -+ ipmisensors_add_sdr(bmc, sdr); -+ } -+ } -+ /* peek at the other SDR types */ -+ } else if (type == 0x10 || type == 0x11 || type == 0x12) { -+ ipmisensors_sprintf(id, data + 19, data[18] >> 6, -+ data[18] & 0x1f); -+ if (type == 0x10) { -+ printk(KERN_INFO -+ "ipmisensors: Generic Device acc=0x%x; slv=0x%x; lun=0x%x; type=0x%x; \"%s\"\n", -+ data[8], data[9], data[10], data[13], id); -+ } else if (type == 0x11) { -+ printk(KERN_INFO -+ "ipmisensors: FRU Device acc=0x%x; slv=0x%x; log=0x%x; ch=0x%x; type=0x%x; \"%s\"\n", -+ data[8], data[9], data[10], data[11], data[13], -+ id); -+ } else { -+ printk(KERN_INFO -+ "ipmisensors: Mgmt Ctllr Device slv=0x%x; \"%s\"\n", -+ data[8], id); -+ } -+ } else if (type == 0x14) { -+ printk(KERN_INFO -+ "ipmisensors: Message Channel Info Records:\n"); -+ for (i = 0; i < 8; i++) { -+ printk(KERN_INFO "ipmisensors: Channel %d info 0x%x\n", -+ i, data[9 + i]); -+ } -+ } else { -+ printk(KERN_INFO "ipmisensors: Skipping SDR type 0x%x\n", type); -+ } -+ if (ipmi_ver != 0x90) { -+ if (bmc->nextrecord >= 6224) { -+ /*YJ stop sensor scan on poweredge 1750 */ -+ bmc->nextrecord = 0xffff; -+ } -+ } -+ -+ if (bmc->nextrecord == 0xFFFF) { -+ if (bmc->sdr_count == 0) { -+ printk(KERN_INFO -+ "ipmisensors: No recognized sensors found.\n"); -+ bmc->state = STATE_DONE; -+ } else { -+ printk(KERN_INFO "ipmisensors: all sensors detected\n"); -+ bmc->state = STATE_SYSTABLE; -+ -+ /* Schedule sysfs build/registration work */ -+ INIT_WORK(&bmc->sysfs_work, ipmisensors_build_sysfs); -+ queue_work(ipmisensors_workqueue, &bmc->sysfs_work); -+ } -+ } else { -+ ipmisensors_get_sdr(bmc, 0, bmc->nextrecord, 0); -+ bmc->state = STATE_SDR; -+ } -+} -+ -+/** -+ * Process incoming messages based on internal state -+ * -+ * @bmc: the bmc the message is from. -+ * @msg: the ipmi message to process. -+ */ -+static void ipmisensors_rcv_msg(struct ipmisensors_bmc_data *bmc, -+ struct kernel_ipmi_msg *msg) -+{ -+ switch (bmc->state) { -+ case STATE_INIT: -+ case STATE_RESERVE: -+ bmc->resid = (((u16) msg->data[2]) << 8) | msg->data[1]; -+ -+ printk(KERN_DEBUG "ipmisensors: Got first resid 0x%.4x\n", -+ bmc->resid); -+ -+ ipmisensors_get_sdr(bmc, 0, 0, 0); -+ bmc->state = STATE_SDR; -+ break; -+ -+ case STATE_SDR: -+ case STATE_SDRPARTIAL: -+ ipmisensors_rcv_sdr_msg(bmc, msg); -+ break; -+ -+ case STATE_READING: -+ ipmisensors_rcv_reading_msg(bmc, msg); -+ break; -+ -+ case STATE_UNCANCEL: -+ bmc->resid = (((u16) msg->data[2]) << 8) | msg->data[1]; -+ -+ printk(KERN_DEBUG "ipmisensors: Got new resid 0x%.4x\n", -+ bmc->resid); -+ -+ bmc->rx_msg_data_offset = 0; -+ ipmisensors_get_sdr(bmc, 0, bmc->nextrecord, 0); -+ bmc->state = STATE_SDR; -+ break; -+ -+ case STATE_DONE: -+ case STATE_SYSTABLE: -+ break; -+ default: -+ bmc->state = STATE_INIT; -+ } -+} -+ -+/** -+ * Callback to handle a received IPMI message from a given BMC. -+ * -+ * @msg: the received message. -+ * @handler_data: a pointer to the particular bmc ipmisensors_bmc_data struct. -+ */ -+static void ipmisensors_msg_handler(struct ipmi_recv_msg *msg, -+ void *user_msg_data) -+{ -+ struct ipmisensors_bmc_data *bmc = -+ (struct ipmisensors_bmc_data *)user_msg_data; -+ -+ if (msg->msg.data[0] != 0) -+ printk(KERN_WARNING -+ "ipmisensors: Error 0x%x on cmd 0x%x/0x%x\n", -+ msg->msg.data[0], msg->msg.netfn, msg->msg.cmd); -+ -+ if (bmc != NULL && ipmisensors_intf_registered(bmc->interface_id)) { -+ if (bmc->state == STATE_SDR && -+ msg->msg.data[0] == IPMI_INVALID_RESERVATION_ID) { -+ /* reservation cancelled, get new resid */ -+ if (++bmc->errorcount > 275) { -+ printk(KERN_ERR -+ "ipmisensors: Too many reservations cancelled, giving up\n"); -+ bmc->state = STATE_DONE; -+ } else { -+ printk(KERN_DEBUG -+ "ipmisensors: resid 0x%04x cancelled, getting new one\n", -+ bmc->resid); -+ -+ ipmisensors_reserve_sdr(bmc); -+ bmc->state = STATE_UNCANCEL; -+ } -+ } else if (msg->msg.data[0] != IPMI_CC_NO_ERROR && -+ msg->msg.data[0] != IPMI_ERR_RETURNING_REQ_BYTES && -+ msg->msg.data[0] != IPMI_ERR_PROVIDING_RESPONSE) { -+ printk(KERN_ERR -+ "ipmisensors: Error 0x%x on cmd 0x%x/0x%x; state = %d; probably fatal.\n", -+ msg->msg.data[0], msg->msg.netfn & 0xfe, -+ msg->msg.cmd, bmc->state); -+ } else { -+ printk(KERN_DEBUG "ipmisensors: received message\n"); -+ ipmisensors_rcv_msg(bmc, &msg->msg); -+ } -+ -+ } else { -+ printk(KERN_WARNING -+ "ipmisensors: Response for non-registered BMC\n"); -+ if (bmc != NULL) -+ printk(KERN_DEBUG "ipmisensors: BMC ID: %d\n", -+ bmc->interface_id); -+ else -+ printk(KERN_DEBUG "ipmisensors: BMC NULL!\n"); -+ } -+ -+ ipmi_free_recv_msg(msg); -+} -+ -+/****** IPMI Interface Initialization ******/ -+ -+/** -+ * Return true if the given ipmi interface has been registered. -+ * -+ * @ipmi_intf: The IPMI interface number. -+ */ -+static int ipmisensors_intf_registered(int ipmi_intf) -+{ -+ int found = 0; -+ struct ipmisensors_bmc_data *cursor, *next; -+ -+ /* find and free the ipmisensors_bmc_data struct */ -+ list_for_each_entry_safe(cursor, next, &driver_data.bmc_data, list) { -+ if (cursor->interface_id == ipmi_intf) { -+ found++; -+ } -+ } -+ -+ return found; -+} -+ -+/** -+ * Return true if the given BMC has been registered. -+ * -+ * @bmc: The BMC device. -+ */ -+static int ipmisensors_bmc_registered(struct device *bmc) -+{ -+ int found = 0; -+ struct ipmisensors_bmc_data *cursor, *next; -+ -+ /* find and free the ipmisensors_bmc_data struct */ -+ list_for_each_entry_safe(cursor, next, &driver_data.bmc_data, list) { -+ if (cursor->dev == bmc) { -+ found++; -+ } -+ } -+ -+ return found; -+} -+ -+/** -+ * Register new IPMI BMC interface. Interface indpendent callback created -+ * for flexibility in adding new types of interface callbacks in future. -+ * -+ * @ipmi_intf: The IPMI interface number. -+ */ -+static void ipmisensors_register_bmc(int ipmi_intf, struct ipmi_addr *address) -+{ -+ int error; -+ -+ /* allocate a new ipmisensors_bmc_data struct */ -+ -+ struct ipmisensors_bmc_data *bmc = (struct ipmisensors_bmc_data *) -+ kmalloc(sizeof(struct ipmisensors_bmc_data), GFP_KERNEL); -+ -+ /* initialize members */ -+ INIT_LIST_HEAD(&bmc->sdrs); -+ bmc->interface_id = ipmi_intf; -+ -+ bmc->address = *address; -+ -+ bmc->sdr_count = 0; -+ bmc->msgid = 0; -+ bmc->ipmi_sdr_partial_size = IPMI_CHUNK_SIZE; -+ bmc->state = STATE_INIT; -+ bmc->errorcount = 0; -+ bmc->rx_msg_data_offset = 0; -+ bmc->dev = ipmi_get_bmcdevice(ipmi_intf); -+ -+ /* default to 3 second min update interval */ -+ bmc->update_period = 3; -+ -+ if (bmc->dev == NULL) { -+ printk(KERN_ERR -+ "ipmisensors: Error, couldn't get BMC device for interface %d\n", -+ bmc->interface_id); -+ kfree(bmc); -+ return; -+ } -+ -+ /* Create IPMI messaging interface user */ -+ error = ipmi_create_user(bmc->interface_id, &driver_data.ipmi_hndlrs, -+ bmc, &bmc->user); -+ if (error < 0) { -+ printk(KERN_ERR -+ "ipmisensors: Error, unable to register user with ipmi interface %d\n", -+ bmc->interface_id); -+ kfree(bmc); -+ return; -+ } -+ -+ /* Register the BMC as a HWMON class device */ -+ bmc->class_dev = hwmon_device_register(bmc->dev); -+ -+ if (IS_ERR(bmc->class_dev)) { -+ printk(KERN_ERR -+ "ipmisensors: Error, unable to register hwmon class device for interface %d\n", -+ bmc->interface_id); -+ kfree(bmc); -+ return; -+ } -+ -+ /* Register the BMC in the driver */ -+ if (ipmisensors_bmc_registered(bmc->dev)) { -+ printk(KERN_ERR -+ "ipmisensors: BMC on interface %d already registered\n", -+ bmc->interface_id); -+ hwmon_device_unregister(bmc->class_dev); -+ kfree(bmc); -+ return; -+ } -+ -+ ipmi_get_version(bmc->user, &bmc->ipmi_version_major, -+ &bmc->ipmi_version_minor); -+ -+ /* finally add the new bmc data to the bmc data list */ -+ list_add_tail(&bmc->list, &driver_data.bmc_data); -+ driver_data.interfaces++; -+ -+ printk(KERN_INFO -+ "ipmisensors: Registered IPMI %d.%d BMC over interface %d\n", -+ bmc->ipmi_version_major, -+ bmc->ipmi_version_minor, bmc->interface_id); -+ -+ /* Send a reserve SDR command to the bmc */ -+ ipmisensors_reserve_sdr(bmc); -+ -+ /* initialize the bmc's update work struct */ -+ INIT_DELAYED_WORK(&bmc->update_work, ipmisensors_update_bmc); -+} -+ -+/** -+ * Callback for when an IPMI BMC is gone. Interface indpendent callback created -+ * for flexibility in adding new types of interface callbacks in future. -+ * -+ * @ipmi_intf: The IPMI interface number. -+ */ -+static void ipmisensors_unregister_bmc(int ipmi_intf) -+{ -+ struct ipmisensors_bmc_data *cursor, *next; -+ -+ /* find and free the ipmisensors_bmc_data struct */ -+ list_for_each_entry_safe(cursor, next, &driver_data.bmc_data, list) { -+ if (cursor->interface_id == ipmi_intf) { -+ list_del(&cursor->list); -+ printk(KERN_DEBUG -+ "ipmisensors: cancelling queued work\n"); -+ /* cancel update work queued for this bmc */ -+ cancel_delayed_work(&cursor->update_work); -+ printk(KERN_DEBUG -+ "ipmisensors: waiting for update to finish\n"); -+ /* wait for readings to finish */ -+ while (cursor->state != STATE_DONE) ; -+ -+ device_remove_file(cursor->dev, -+ &cursor->alarms_attr.dev_attr); -+ device_remove_file(cursor->dev, -+ &cursor->update_attr.dev_attr); -+ hwmon_device_unregister(cursor->class_dev); -+ ipmisensors_sdr_cleanup(cursor); -+ ipmi_destroy_user(cursor->user); -+ -+ printk(KERN_INFO -+ "ipmisensors: Unegistered IPMI interface %d\n", -+ cursor->interface_id); -+ -+ kfree(cursor); -+ driver_data.interfaces--; -+ } -+ } -+ -+} -+ -+/** -+ * Unregister all registered bmcs. -+ */ -+static void ipmisensors_unregister_bmc_all(void) -+{ -+ struct ipmisensors_bmc_data *cursor, *next; -+ -+ /* find and free the ipmisensors_bmc_data struct */ -+ list_for_each_entry_safe(cursor, next, &driver_data.bmc_data, list) { -+ list_del(&cursor->list); -+ -+ /* cancel update work queued for this bmc */ -+ printk(KERN_DEBUG "ipmisensors: cancelling queued work\n"); -+ cancel_delayed_work(&cursor->update_work); -+ -+ printk(KERN_DEBUG -+ "ipmisensors: waiting for update to finish\n"); -+ /* wait for readings to finish */ -+ while (cursor->state != STATE_DONE) ; -+ -+ device_remove_file(cursor->dev, &cursor->alarms_attr.dev_attr); -+ device_remove_file(cursor->dev, &cursor->update_attr.dev_attr); -+ hwmon_device_unregister(cursor->class_dev); -+ ipmisensors_sdr_cleanup(cursor); -+ ipmi_destroy_user(cursor->user); -+ -+ printk(KERN_INFO -+ "ipmisensors: Unegistered IPMI interface %d\n", -+ cursor->interface_id); -+ -+ kfree(cursor); -+ } -+ -+ driver_data.interfaces = 0; -+} -+ -+/** -+ * Callback for when a new IPMI SMI type interface is found. -+ * -+ * @if_num: The IPMI interface number. -+ */ -+static void ipmisensors_new_smi(int if_num, struct device *dev) -+{ -+ struct ipmi_addr smi_address = { -+ IPMI_SYSTEM_INTERFACE_ADDR_TYPE, -+ IPMI_BMC_CHANNEL, -+ {0}, -+ }; -+ -+ /* calls the generic new interface function */ -+ ipmisensors_register_bmc(if_num, &smi_address); -+} -+ -+/** -+ * Callback for when an exisiting IPMI SMI type interface is gone. -+ * -+ * @if_num: The IPMI interface number. -+ */ -+static void ipmisensors_smi_gone(int if_num) -+{ -+ if (driver_data.interfaces > 0) { -+ ipmisensors_unregister_bmc(if_num); -+ } -+} -+ -+/** -+ * Initialize the module. -+ */ -+static int __init ipmisensors_init(void) -+{ -+ int error; -+ printk(KERN_INFO "ipmisensors - IPMI BMC sensors interface\n"); -+ -+ /* init cache managers */ -+ driver_data.sdrdata_cache = -+ kmem_cache_create("ipmisensors_sdrdata", sizeof(struct sdrdata), 0, -+ 0, NULL, NULL); -+ driver_data.sysfsattr_cache = -+ kmem_cache_create("ipmisensors_sysfsattr", -+ sizeof(struct ipmisensors_device_attribute), 0, 0, -+ NULL, NULL); -+ -+ if (!driver_data.sdrdata_cache || !driver_data.sysfsattr_cache) { -+ if (driver_data.sdrdata_cache) -+ kmem_cache_destroy(driver_data.sdrdata_cache); -+ if (driver_data.sysfsattr_cache) -+ kmem_cache_destroy(driver_data.sysfsattr_cache); -+ return -ENOMEM; -+ } -+ -+ /* register IPMI interface callback(s) */ -+ error = ipmi_smi_watcher_register(&driver_data.smi_watcher); -+ if (error) { -+ printk(KERN_WARNING -+ "ipmisensors: can't register smi watcher\n"); -+ return error; -+ } -+ -+ /* create work queue, keep it simple, single-threaded */ -+ ipmisensors_workqueue = -+ create_singlethread_workqueue("ipmisensors_workqueue"); -+ -+ return 0; -+} -+ -+/** -+ * Cleanup -+ */ -+static void ipmisensors_cleanup(void) -+{ -+ /* start cleanup */ -+ cleanup = 1; -+ -+ /* unregister bmcs */ -+ printk(KERN_DEBUG "ipmisensors: unregister bmcs\n"); -+ ipmi_smi_watcher_unregister(&driver_data.smi_watcher); -+ ipmisensors_unregister_bmc_all(); -+ -+ /* flush & destroy work queue */ -+ printk(KERN_DEBUG "ipmisensors: destroy workqueue\n"); -+ flush_workqueue(ipmisensors_workqueue); -+ destroy_workqueue(ipmisensors_workqueue); -+ -+ /* remove cache managers */ -+ if (driver_data.sdrdata_cache) -+ kmem_cache_destroy(driver_data.sdrdata_cache); -+ if (driver_data.sysfsattr_cache) -+ kmem_cache_destroy(driver_data.sysfsattr_cache); -+} -+ -+/** -+ * Cleanup and exit the module -+ */ -+static void __exit ipmisensors_exit(void) -+{ -+ ipmisensors_cleanup(); -+ printk(KERN_DEBUG "ipmisensors: cleanup finished\n"); -+} -+ -+MODULE_AUTHOR("Yani Ioannou <yani.ioannou@gmail.com>"); -+MODULE_DESCRIPTION("IPMI BMC sensors"); -+MODULE_LICENSE("GPL"); -+ -+module_init(ipmisensors_init); -+module_exit(ipmisensors_exit); -diff -rduNp linux-2.6.20.3.orig/drivers/hwmon/ipmisensors.h linux-2.6.20.3/drivers/hwmon/ipmisensors.h ---- linux-2.6.20.3.orig/drivers/hwmon/ipmisensors.h 1970-01-01 01:00:00.000000000 +0100 -+++ linux-2.6.20.3/drivers/hwmon/ipmisensors.h 2007-03-14 14:41:23.000000000 +0100 -@@ -0,0 +1,240 @@ -+/* -+ * ipmisensors.h - lm_sensors interface to IPMI sensors. -+ * -+ * Copyright (C) 2004-2006 Yani Ioannou <yani.ioannou@gmail.com> -+ * -+ * Adapted from bmcsensors (lm-sensors for linux 2.4) -+ * bmcsensors (C) Mark D. Studebaker <mdsxyz123@yahoo.com> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License as published by -+ * the Free Software Foundation; either version 2 of the License, or -+ * (at your option) any later version. -+ * -+ * This program is distributed in the hope that it will be useful, -+ * but WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+ * GNU General Public License for more details. -+ * -+ * You should have received a copy of the GNU General Public License -+ * along with this program; if not, write to the Free Software -+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -+ */ -+ -+#include <linux/ipmi.h> -+#include <linux/list.h> -+#include <linux/slab.h> -+#include <linux/workqueue.h> -+ -+/* SDR defs */ -+#define STYPE_TEMP 0x01 -+#define STYPE_VOLT 0x02 -+#define STYPE_CURR 0x03 -+#define STYPE_FAN 0x04 -+ -+#define SDR_LIMITS 8 -+#define SDR_MAX_ID_LENGTH 16 -+#define SDR_MAX_UNPACKED_ID_LENGTH ((SDR_MAX_ID_LENGTH * 4 / 3) + 2) -+ -+/* the last sensor type we are interested in */ -+#define STYPE_MAX 4 -+ -+#define IPMI_SDR_SIZE 67 -+#define IPMI_CHUNK_SIZE 16 -+ -+#define MAX_FILENAME_LENGTH 30 -+ -+struct ipmisensors_device_attribute { -+ struct device_attribute dev_attr; -+ struct sdrdata *sdr; -+}; -+#define to_ipmisensors_dev_attr(_dev_attr) \ -+ container_of(_dev_attr, struct ipmisensors_device_attribute, dev_attr) -+ -+#define IPMISENSORS_DEVICE_ATTR(_name,_mode,_show,_store,_index) \ -+struct ipmisensors_attribute sensor_dev_attr_##_name = { \ -+ .dev_attr = __ATTR(_name,_mode,_show,_store), \ -+ .index = _index, \ -+} -+ -+struct ipmisensors_bmc_device_attribute { -+ struct device_attribute dev_attr; -+ struct ipmisensors_bmc_data *bmc; -+}; -+#define to_ipmisensors_bmc_dev_attr(_dev_attr) \ -+ container_of(_dev_attr, struct ipmisensors_bmc_device_attribute, dev_attr) -+ -+/** -+ * &struct_sdrdata stores the IPMI Sensor Data Record (SDR) data, as recieved from the BMC, along with the corresponding sysfs attributes -+ */ -+struct sdrdata { -+ struct list_head list; -+ /* retrieved from SDR, not expected to change */ -+ /* Sensor Type Code */ -+ u8 stype; -+ u8 number; -+ /* Sensor Capability Code */ -+ u8 capab; -+ u16 thresh_mask; -+ u8 format; -+ u8 linear; -+ s16 m; -+ s16 b; -+ u8 k; -+ u8 nominal; -+ u8 limits[SDR_LIMITS]; -+ /* index into limits for reported upper and lower limit */ -+ int lim1, lim2; -+ u8 lim1_write, lim2_write; -+ u8 string_type; -+ u8 id_length; -+ u8 id[SDR_MAX_ID_LENGTH]; -+ /* retrieved from reading */ -+ u8 reading; -+ u8 status; -+ u8 thresholds; -+ /* sensor's bmc */ -+ struct ipmisensors_bmc_data *bmc; -+ /* sysfs entries */ -+ struct ipmisensors_device_attribute attr; -+ char *attr_name; -+ struct ipmisensors_device_attribute attr_min; -+ char *attr_min_name; -+ struct ipmisensors_device_attribute attr_max; -+ char *attr_max_name; -+ struct ipmisensors_device_attribute attr_label; -+ char *attr_label_name; -+ -+}; -+ -+/** -+ * &struct_ipmisensors_data stores the data for the ipmisensors driver. -+ */ -+struct ipmisensors_data { -+ /* Driver struct */ -+ char *driver_name; -+ -+ /* Linked list of ipmisensors_bmc_data structs, one for each BMC */ -+ struct list_head bmc_data; -+ -+ /* Number of ipmi interfaces (and hence ipmisensors_data structs). */ -+ int interfaces; -+ -+ /* IPMI kernel interface - SMI watcher */ -+ struct ipmi_smi_watcher smi_watcher; -+ -+ /* IPMI kernel interface - user handlers */ -+ struct ipmi_user_hndl ipmi_hndlrs; -+ -+ /* Cache manager for sdrdata cache */ -+ struct kmem_cache *sdrdata_cache; -+ -+ /* Cache manager for ipmi_sensor_device_attribute cache */ -+ struct kmem_cache *sysfsattr_cache; -+}; -+ -+/** -+ * &states: enumeration of state codes for a bmc specific ipmisensors -+ */ -+enum states { -+ STATE_INIT, -+ STATE_RESERVE, -+ STATE_SDR, -+ STATE_SDRPARTIAL, -+ STATE_READING, -+ STATE_UNCANCEL, -+ STATE_SYSTABLE, -+ STATE_DONE -+}; -+ -+/** -+ * &struct_ipmisensors_bmc_data stores the data for a particular IPMI BMC. -+ */ -+struct ipmisensors_bmc_data { -+ struct list_head list; -+ -+ /* The IPMI interface number */ -+ int interface_id; -+ -+ /* The IPMI address */ -+ struct ipmi_addr address; -+ -+ /* List of sdrdata structs (sdrs) recieved from the BMC */ -+ struct list_head sdrs; -+ -+ /* Count of the number of sdrs stored in the sdr list */ -+ int sdr_count; -+ -+ /* next message id */ -+ int msgid; -+ -+ /* The ipmi interface 'user' used to access this particular bmc */ -+ ipmi_user_t user; -+ -+ /* BMC IPMI Version (major) */ -+ unsigned char ipmi_version_major; -+ -+ /* BMC IPMI Version (minor) */ -+ unsigned char ipmi_version_minor; -+ -+ /* The size of the SDR request message */ -+ int ipmi_sdr_partial_size; -+ -+ /* transmit message buffer */ -+ struct kernel_ipmi_msg tx_message; -+ -+ /* ipmi transmited data buffer */ -+ unsigned char tx_msg_data[IPMI_MAX_MSG_LENGTH + 50]; /* why the +50 in bmcsensors? */ -+ -+ /* ipmi recieved data buffer */ -+ unsigned char rx_msg_data[IPMI_MAX_MSG_LENGTH + 50]; -+ -+ /* current recieve buffer offset */ -+ int rx_msg_data_offset; -+ -+ /* The id of then next SDR record to read during update cycle */ -+ u16 nextrecord; -+ -+ /* BMC SDR Reservation ID */ -+ u16 resid; -+ -+ /* Alarm status */ -+ u8 alarms; -+ -+ /* The cumalative error count for this bmc */ -+ int errorcount; -+ -+ /* The current state of this bmc w.r.t. ipmisensors (see enum states) */ -+ int state; -+ -+ /* The current sdr for which a reading is pending */ -+ struct sdrdata *current_sdr; -+ -+ /* The BMC's device struct */ -+ struct device *dev; -+ -+ /* hwmon class device */ -+ struct class_device *class_dev; -+ -+ /* hwmon device name */ -+ struct device_attribute name_attr; -+ -+ /* alarms attribute */ -+ struct ipmisensors_bmc_device_attribute alarms_attr; -+ -+ /* update_period attribute */ -+ struct ipmisensors_bmc_device_attribute update_attr; -+ -+ /* lower bound on time between updates (in seconds) */ -+ unsigned int update_period; -+ -+ /* semaphore used to do a headcount of the SDR readings we are waiting -+ * on in a given bmc update */ -+ struct semaphore update_semaphore; -+ -+ /* bmc's work struct for updating sensors */ -+ struct delayed_work update_work; -+ -+ /* bmc's work struct for building the sysfs workqueue */ -+ struct work_struct sysfs_work; -+}; -diff -rduNp linux-2.6.20.3.orig/include/linux/ipmi.h linux-2.6.20.3/include/linux/ipmi.h ---- linux-2.6.20.3.orig/include/linux/ipmi.h 2007-03-13 19:27:08.000000000 +0100 -+++ linux-2.6.20.3/include/linux/ipmi.h 2007-03-14 14:23:02.000000000 +0100 -@@ -300,6 +300,9 @@ int ipmi_create_user(unsigned int - safe, too. */ - int ipmi_destroy_user(ipmi_user_t user); - -+/* Get the IPMI BMC's device struct */ -+struct device *ipmi_get_bmcdevice(int ipmi_intf); -+ - /* Get the IPMI version of the BMC we are talking to. */ - void ipmi_get_version(ipmi_user_t user, - unsigned char *major, -diff -rduNp linux-2.6.20.3.orig/include/linux/ipmi_msgdefs.h linux-2.6.20.3/include/linux/ipmi_msgdefs.h ---- linux-2.6.20.3.orig/include/linux/ipmi_msgdefs.h 2007-03-13 19:27:08.000000000 +0100 -+++ linux-2.6.20.3/include/linux/ipmi_msgdefs.h 2007-03-14 14:23:02.000000000 +0100 -@@ -45,6 +45,7 @@ - - #define IPMI_NETFN_APP_REQUEST 0x06 - #define IPMI_NETFN_APP_RESPONSE 0x07 -+#define IPMI_GET_DEVICE_GUID_CMD 0x08 - #define IPMI_GET_DEVICE_ID_CMD 0x01 - #define IPMI_COLD_RESET_CMD 0x02 - #define IPMI_WARM_RESET_CMD 0x03 -@@ -57,6 +58,11 @@ - #define IPMI_GET_BMC_GLOBAL_ENABLES_CMD 0x2f - #define IPMI_READ_EVENT_MSG_BUFFER_CMD 0x35 - #define IPMI_GET_CHANNEL_INFO_CMD 0x42 -+#define IPMI_RESERVE_SDR 0x22 -+#define IPMI_GET_SDR 0x23 -+#define IPMI_GET_SENSOR_STATE_READING 0x2D -+#define IPMI_SET_SENSOR_HYSTERESIS 0x24 -+#define IPMI_SET_SENSOR_THRESHOLD 0x26 - - #define IPMI_NETFN_STORAGE_REQUEST 0x0a - #define IPMI_NETFN_STORAGE_RESPONSE 0x0b -@@ -79,10 +85,13 @@ - #define IPMI_NODE_BUSY_ERR 0xc0 - #define IPMI_INVALID_COMMAND_ERR 0xc1 - #define IPMI_TIMEOUT_ERR 0xc3 -+#define IPMI_INVALID_RESERVATION_ID 0xc5 - #define IPMI_ERR_MSG_TRUNCATED 0xc6 - #define IPMI_REQ_LEN_INVALID_ERR 0xc7 - #define IPMI_REQ_LEN_EXCEEDED_ERR 0xc8 - #define IPMI_NOT_IN_MY_STATE_ERR 0xd5 /* IPMI 2.0 */ -+#define IPMI_ERR_RETURNING_REQ_BYTES 0xca -+#define IPMI_ERR_PROVIDING_RESPONSE 0xce - #define IPMI_LOST_ARBITRATION_ERR 0x81 - #define IPMI_BUS_ERR 0x82 - #define IPMI_NAK_ON_WRITE_ERR 0x83 diff --git a/toolchain/kernel-headers/ipmi/linux-2.6.22.1-007-ipmisensors-20070314-1214.patch b/toolchain/kernel-headers/ipmi/linux-2.6.22.1-007-ipmisensors-20070314-1214.patch deleted file mode 100644 index 5fe74954f..000000000 --- a/toolchain/kernel-headers/ipmi/linux-2.6.22.1-007-ipmisensors-20070314-1214.patch +++ /dev/null @@ -1,1914 +0,0 @@ -diff -rduNp linux-2.6.22.1.oorig2/drivers/char/ipmi/ipmi_msghandler.c linux-2.6.22.1/drivers/char/ipmi/ipmi_msghandler.c ---- linux-2.6.22.1.oorig2/drivers/char/ipmi/ipmi_msghandler.c 2007-07-10 20:56:30.000000000 +0200 -+++ linux-2.6.22.1/drivers/char/ipmi/ipmi_msghandler.c 2007-07-24 14:22:26.000000000 +0200 -@@ -1953,6 +1953,24 @@ static void remove_proc_entries(ipmi_smi - #endif /* CONFIG_PROC_FS */ - } - -+/* -+ * Retrieves the bmc_device struct for a given ipmi interface number (or NULL if none). -+ */ -+struct device *ipmi_get_bmcdevice(int if_num) -+{ -+ ipmi_smi_t intf; -+ mutex_lock(&ipmi_interfaces_mutex); -+ list_for_each_entry_rcu(intf, &ipmi_interfaces, link) { -+ if (intf->intf_num == if_num){ -+ mutex_unlock(&ipmi_interfaces_mutex); -+ return &intf->bmc->dev->dev; -+ } -+ } -+ mutex_unlock(&ipmi_interfaces_mutex); -+ -+ return NULL; -+} -+ - static int __find_bmc_guid(struct device *dev, void *data) - { - unsigned char *id = data; -@@ -4196,3 +4214,4 @@ EXPORT_SYMBOL(ipmi_get_my_LUN); - EXPORT_SYMBOL(ipmi_smi_add_proc_entry); - EXPORT_SYMBOL(ipmi_user_set_run_to_completion); - EXPORT_SYMBOL(ipmi_free_recv_msg); -+EXPORT_SYMBOL(ipmi_get_bmcdevice); -diff -rduNp linux-2.6.22.1.oorig2/drivers/hwmon/Kconfig linux-2.6.22.1/drivers/hwmon/Kconfig ---- linux-2.6.22.1.oorig2/drivers/hwmon/Kconfig 2007-07-10 20:56:30.000000000 +0200 -+++ linux-2.6.22.1/drivers/hwmon/Kconfig 2007-07-24 14:22:26.000000000 +0200 -@@ -248,6 +248,16 @@ config SENSORS_CORETEMP - sensor inside your CPU. Supported all are all known variants - of Intel Core family. - -+config SENSORS_IPMI -+ tristate "IPMI Hardware Monitoring Support" -+ depends on HWMON && IPMI_HANDLER && EXPERIMENTAL -+ help -+ If you say yes here you get support for sensors monitored by -+ an IPMI baseboard management controller (BMC). -+ -+ This driver can also be built as a module. If so, the module -+ will be called ipmisensors. -+ - config SENSORS_IT87 - tristate "ITE IT87xx and compatibles" - depends on I2C -diff -rduNp linux-2.6.22.1.oorig2/drivers/hwmon/Makefile linux-2.6.22.1/drivers/hwmon/Makefile ---- linux-2.6.22.1.oorig2/drivers/hwmon/Makefile 2007-07-10 20:56:30.000000000 +0200 -+++ linux-2.6.22.1/drivers/hwmon/Makefile 2007-07-24 14:22:26.000000000 +0200 -@@ -32,6 +32,7 @@ obj-$(CONFIG_SENSORS_FSCPOS) += fscpos.o - obj-$(CONFIG_SENSORS_GL518SM) += gl518sm.o - obj-$(CONFIG_SENSORS_GL520SM) += gl520sm.o - obj-$(CONFIG_SENSORS_HDAPS) += hdaps.o -+obj-$(CONFIG_SENSORS_IPMI) += ipmisensors.o - obj-$(CONFIG_SENSORS_IT87) += it87.o - obj-$(CONFIG_SENSORS_K8TEMP) += k8temp.o - obj-$(CONFIG_SENSORS_LM63) += lm63.o -diff -rduNp linux-2.6.22.1.oorig2/drivers/hwmon/ipmisensors.c linux-2.6.22.1/drivers/hwmon/ipmisensors.c ---- linux-2.6.22.1.oorig2/drivers/hwmon/ipmisensors.c 1970-01-01 01:00:00.000000000 +0100 -+++ linux-2.6.22.1/drivers/hwmon/ipmisensors.c 2007-07-24 14:22:26.000000000 +0200 -@@ -0,0 +1,1552 @@ -+/* -+ * ipmisensors.c - lm-sensors/hwmon interface to IPMI sensors. -+ * -+ * Copyright (C) 2004-2006 Yani Ioannou <yani.ioannou@gmail.com> -+ * -+ * Adapted from bmcsensors (lm-sensors for linux 2.4) -+ * bmcsensors (C) Mark D. Studebaker <mdsxyz123@yahoo.com> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License as published by -+ * the Free Software Foundation; either version 2 of the License, or -+ * (at your option) any later version. -+ * -+ * This program is distributed in the hope that it will be useful, -+ * but WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+ * GNU General Public License for more details. -+ * -+ * You should have received a copy of the GNU General Public License -+ * along with this program; if not, write to the Free Software -+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -+ */ -+ -+#include <linux/init.h> -+#include <linux/module.h> -+#include <linux/param.h> -+#include <linux/hwmon.h> -+#include <linux/list.h> -+#include <linux/slab.h> -+#include <linux/device.h> -+#include <linux/hwmon.h> -+ -+#include "ipmisensors.h" -+ -+/****** Function Prototypes ******/ -+static void ipmisensors_send_message(struct ipmisensors_bmc_data *bmc, -+ long msgid, struct kernel_ipmi_msg *msg); -+static void ipmisensors_reserve_sdr(struct ipmisensors_bmc_data *bmc); -+static void ipmisensors_get_sdr(struct ipmisensors_bmc_data *bmc, u16 res_id, -+ u16 record, u8 offset); -+static void ipmisensors_set_sensor_threshold(struct ipmisensors_bmc_data *bmc, -+ u8 number, int value, -+ int lim_index); -+static void ipmisensors_get_reading(struct ipmisensors_bmc_data *bmc, -+ struct sdrdata *sdr); -+static void ipmisensors_msg_handler(struct ipmi_recv_msg *msg, -+ void *user_msg_data); -+static int ipmisensors_intf_registered(int ipmi_intf); -+static int ipmisensors_bmc_registered(struct device *bmc); -+static void ipmisensors_register_bmc(int ipmi_intf, struct ipmi_addr *address); -+static void ipmisensors_unregister_bmc(int ipmi_intf); -+static void ipmisensors_unregister_bmc_all(void); -+static void ipmisensors_new_smi(int if_num, struct device *dev); -+static void ipmisensors_smi_gone(int if_num); -+static void ipmisensors_update_bmc(struct work_struct *); -+static void ipmisensors_cleanup(void); -+ -+/****** Static Vars ******/ -+ -+/* set when module is being removed */ -+static int cleanup = 0; -+ -+/* ipmisensors driver data */ -+static struct ipmisensors_data driver_data = { -+ .driver_name = "bmc", -+ .bmc_data = LIST_HEAD_INIT(driver_data.bmc_data), -+ .interfaces = 0, -+ .smi_watcher = { -+ .owner = THIS_MODULE, -+ .new_smi = ipmisensors_new_smi, -+ .smi_gone = ipmisensors_smi_gone, -+ }, -+ .ipmi_hndlrs = { -+ .ipmi_recv_hndl = ipmisensors_msg_handler, -+ }, -+}; -+ -+/* sensor refresh workqueue */ -+static struct workqueue_struct *ipmisensors_workqueue; -+ -+/****** SDR List Functions ******/ -+/** -+ * Creates a new sdrdata struct, or returns NULL if insufficient memory. -+ */ -+static struct sdrdata *ipmisensors_new_sdr(void) -+{ -+ struct sdrdata *sdr; -+ -+ sdr = kmem_cache_alloc(driver_data.sdrdata_cache, GFP_ATOMIC); -+ if (sdr) { -+ memset(sdr, 0, sizeof(struct sdrdata)); -+ } else { -+ printk(KERN_ERR -+ "ipmisensors: Couldn't allocate memory for new SDR\n"); -+ } -+ -+ return sdr; -+} -+ -+/** -+ * Adds the given sdrdata struct to the given bmc's SDR list. -+ * -+ * @bmc: the bmc to send the message to. -+ */ -+static inline void ipmisensors_add_sdr(struct ipmisensors_bmc_data *bmc, -+ struct sdrdata *sdr) -+{ -+ list_add(&sdr->list, &bmc->sdrs); -+ printk(KERN_DEBUG -+ "ipmisensors: SDR %d: type 0x%02x (%s)\n", -+ bmc->sdr_count, sdr->stype, sdr->id); -+ bmc->sdr_count++; -+} -+ -+/** -+ * Cleanup the sdr list for the given BMC. -+ * -+ * @bmc: the bmc to send the message to. -+ */ -+static void ipmisensors_sdr_cleanup(struct ipmisensors_bmc_data *bmc) -+{ -+ struct sdrdata *cursor, *next; -+ -+ /* find and free each sdr data struct */ -+ list_for_each_entry_safe(cursor, next, &bmc->sdrs, list) { -+ device_remove_file(bmc->dev, &cursor->attr.dev_attr); -+ device_remove_file(bmc->dev, &cursor->attr_min.dev_attr); -+ device_remove_file(bmc->dev, &cursor->attr_max.dev_attr); -+ device_remove_file(bmc->dev, &cursor->attr_label.dev_attr); -+ -+ kfree(cursor->attr_name); -+ kfree(cursor->attr_max_name); -+ kfree(cursor->attr_min_name); -+ kfree(cursor->attr_label_name); -+ -+ list_del(&cursor->list); -+ kmem_cache_free(driver_data.sdrdata_cache, cursor); -+ } -+} -+ -+/* worker function for workqueue ipmisensors_workqueue */ -+static void ipmisensors_update_bmc(struct work_struct *work) -+{ -+ struct ipmisensors_bmc_data *bmc = container_of(work, struct ipmisensors_bmc_data, update_work.work); -+ -+ /* don't start an update cycle if one already in progress */ -+ if (bmc->state != STATE_READING) { -+ struct sdrdata *cursor, *next; -+ bmc->state = STATE_READING; -+ printk(KERN_DEBUG "ipmisensors: starting update\n"); -+ -+ /* init semaphore to 1 for update cycle */ -+ sema_init(&bmc->update_semaphore, 1); -+ -+ /* update each sdr reading */ -+ list_for_each_entry_safe(cursor, next, &bmc->sdrs, list) { -+ ipmisensors_get_reading(bmc, cursor); -+ } -+ } -+ -+ /* wait for readings (need timeout?) */ -+ down_interruptible(&bmc->update_semaphore); -+ -+ printk(KERN_DEBUG "ipmisensors: update complete\n"); -+ -+ bmc->state = STATE_DONE; -+ -+ /* if the module isn't cleaning up, schedule another update */ -+ if (!cleanup) -+ queue_delayed_work(ipmisensors_workqueue, &bmc->update_work, -+ bmc->update_period * HZ); -+} -+ -+/****** IPMI Message Sending ******/ -+ -+/** -+ * Send a message to the IPMI BMC -+ * -+ * @bmc: the bmc to send the message to. -+ * @msgid: the message id to use. -+ * @msg: the ipmi message structure. -+ */ -+static void ipmisensors_send_message(struct ipmisensors_bmc_data *bmc, -+ long msgid, struct kernel_ipmi_msg *msg) -+{ -+ if (msg->data == NULL) -+ printk(KERN_DEBUG "ipmisensors: Send 0x%x\n", msg->cmd); -+ else -+ printk(KERN_DEBUG "ipmisensors: Send 0x%x 0x%x 0x%x\n", -+ msg->cmd, msg->data[0], msg->data[1]); -+ -+ /* This should be ipmi_request, but Corey had to remove -+ * that due to it being unused at the moment, as soon as -+ * this makes it into the kernel we should request it be re-instated. -+ */ -+ ipmi_request_settime(bmc->user, &bmc->address, msgid, msg, bmc, 0, -+ -1, 0); -+} -+ -+/** -+ * Compose and send a "reserve SDR" message -+ * -+ * @bmc: the bmc to send the message to. -+ */ -+static void ipmisensors_reserve_sdr(struct ipmisensors_bmc_data *bmc) -+{ -+ bmc->tx_message.netfn = IPMI_NETFN_STORAGE_REQUEST; -+ bmc->tx_message.cmd = IPMI_RESERVE_SDR; -+ bmc->tx_message.data_len = 0; -+ bmc->tx_message.data = NULL; -+ -+ ipmisensors_send_message(bmc, bmc->msgid++, &bmc->tx_message); -+} -+ -+/** -+ * Componse and send a "get SDR" message -+ * -+ * @bmc: the bmc to send the message to. -+ * @res_id: -+ * @record: -+ * @offset: -+ */ -+static void ipmisensors_get_sdr(struct ipmisensors_bmc_data *bmc, u16 res_id, -+ u16 record, u8 offset) -+{ -+ printk(KERN_DEBUG "ipmisensors: Get SDR 0x%x 0x%x 0x%x\n", -+ res_id, record, offset); -+ bmc->tx_message.netfn = IPMI_NETFN_STORAGE_REQUEST; -+ bmc->tx_message.cmd = IPMI_GET_SDR; -+ bmc->tx_message.data_len = 6; -+ bmc->tx_message.data = bmc->tx_msg_data; -+ bmc->tx_msg_data[0] = res_id & 0xff; -+ bmc->tx_msg_data[1] = res_id >> 8; -+ bmc->tx_msg_data[2] = record & 0xff; -+ bmc->tx_msg_data[3] = record >> 8; -+ bmc->tx_msg_data[4] = offset; -+ bmc->tx_msg_data[5] = bmc->ipmi_sdr_partial_size; -+ -+ ipmisensors_send_message(bmc, bmc->msgid++, &bmc->tx_message); -+} -+ -+/** -+ * Compose and send a "set sensor threshold" message -+ * -+ * @bmc: the bmc to send the message to. -+ * @id: the ipmi id number of the sensor. -+ * @value: the new value for the threshold. -+ * @lim_index: the index in the lim[] array for which this value applies. -+ */ -+static void ipmisensors_set_sensor_threshold(struct ipmisensors_bmc_data *bmc, -+ u8 number, int value, -+ int lim_index) -+{ -+ int i; -+ -+ printk(KERN_DEBUG "ipmisensors: Set SDR Threshold %d %d %d\n", -+ number, value, lim_index); -+ bmc->tx_message.netfn = IPMI_NETFN_STORAGE_REQUEST; -+ bmc->tx_message.cmd = IPMI_SET_SENSOR_THRESHOLD; -+ bmc->tx_message.data_len = 8; -+ bmc->tx_message.data = bmc->tx_msg_data; -+ bmc->tx_msg_data[0] = number & 0xff; -+ bmc->tx_msg_data[1] = 0x01 << lim_index; -+ -+ if (lim_index > 5 || lim_index < 0) { -+ printk(KERN_INFO -+ "ipmisensors: Error - ipmisensors_set_sensor_threshold given invalid lim_index\n"); -+ return; -+ } -+ -+ for (i = 2; i < 8; i++) -+ bmc->tx_msg_data[i] = 0x00; -+ -+ bmc->tx_msg_data[lim_index] = value && 0xff; -+ -+ ipmisensors_send_message(bmc, bmc->msgid++, &bmc->tx_message); -+} -+ -+/** -+ * Compose and send a "get sensor reading" message for the given sdr. -+ * -+ * @bmc: the bmc to send the message to. -+ * @sdr: the sdr of the sensor to get the reading for. -+ */ -+static void ipmisensors_get_reading(struct ipmisensors_bmc_data *bmc, -+ struct sdrdata *sdr) -+{ -+ bmc->tx_message.netfn = IPMI_NETFN_SENSOR_EVENT_REQUEST; -+ bmc->tx_message.cmd = IPMI_GET_SENSOR_STATE_READING; -+ bmc->tx_message.data_len = 1; -+ bmc->tx_message.data = bmc->tx_msg_data; -+ bmc->tx_msg_data[0] = sdr->number; -+ bmc->current_sdr = sdr; -+ -+ ipmisensors_send_message(bmc, bmc->msgid++, &bmc->tx_message); -+ down_interruptible(&bmc->update_semaphore); -+} -+ -+/****** IPMI Message Receiving ******/ -+ -+/** -+ * Process an sensor reading response message. -+ * -+ * @bmc: the bmc the message is from -+ * @msg: the IPMI SDR response message -+ */ -+static void ipmisensors_rcv_reading_msg(struct ipmisensors_bmc_data *bmc, -+ struct kernel_ipmi_msg *msg) -+{ -+ struct sdrdata *sdr = bmc->current_sdr; -+ -+ if (sdr == NULL) { -+ printk(KERN_ERR -+ "ipmisensors: Error ipmisensors_rcv_reading with NULL sdr\n"); -+ return; -+ } -+ -+ sdr->reading = msg->data[1]; -+ sdr->status = msg->data[2]; -+ sdr->thresholds = msg->data[3]; -+ -+ printk(KERN_DEBUG "ipmisensors: sensor %d (type %d) reading %d\n", -+ sdr->number, sdr->stype, msg->data[1]); -+ -+ up(&bmc->update_semaphore); -+} -+ -+/** -+ * Unpack based on string type, convert to normal, null terminate. -+ */ -+static void ipmisensors_sprintf(u8 * to, u8 * from, u8 type, u8 length) -+{ -+ static const u8 *bcdplus = "0123456789 -.:,_"; -+ int i; -+ -+ switch (type) { -+ case 0: /* unicode */ -+ for (i = 0; i < length; i++) -+ *to++ = (*from++ & 0x7f); -+ *to = 0; -+ break; -+ case 1: /* BCD Plus */ -+ for (i = 0; i < length; i++) -+ *to++ = bcdplus[*from++ & 0x0f]; -+ *to = 0; -+ break; -+ case 2: /* packed ascii *//* if not a mult. of 3 this will run over */ -+ for (i = 0; i < length; i += 3) { -+ *to++ = *from & 0x3f; -+ *to++ = *from >> 6 | ((*(from+1) & 0xf) << 2); -+ from++; -+ *to++ = *from >> 4 | ((*(from+1) & 0x3) << 4); -+ from++; -+ *to++ = (*from++ >> 2) & 0x3f; -+ } -+ *to = 0; -+ break; -+ case 3: /* normal */ -+ if (length > 1) -+ memcpy(to, from, length); -+ to[length] = 0; -+ break; -+ } -+} -+ -+/* IPMI V1.5 Section 30 */ -+static const int exps[] = -+ { 1, 10, 100, 1000, 10000, 100000, 1000000, 10000000 }; -+ -+/* Return 0 for fan, 2 for temp, 3 for voltage -+ We could make it variable based on the accuracy (= log10(m * 10**k2)); -+ this would work for /proc output, however libsensors resolution -+ is statically set in lib/chips.c */ -+static int decplaces(struct sdrdata *sd) -+{ -+ switch (sd->stype) { -+ case STYPE_TEMP: -+ return 2; -+ case STYPE_CURR: -+ case STYPE_VOLT: -+ return 3; -+ case STYPE_FAN: -+ default: -+ return 0; -+ } -+} -+ -+/* convert a raw value to a reading. IMPI V1.5 Section 30 */ -+static long conv_val(int value, struct sdrdata *sd) -+{ -+ u8 k1, k2; -+ long r; -+ -+ r = value * sd->m; -+ k1 = sd->k & 0x0f; -+ k2 = sd->k >> 4; -+ if (k1 < 8) -+ r += sd->b * exps[k1]; -+ else -+ r += sd->b / exps[16 - k1]; -+ r *= exps[decplaces(sd)]; -+ if (k2 < 8) { -+ if (sd->linear != 7) -+ r *= exps[k2]; -+ else -+ /* this will always truncate to 0: r = 1 / (exps[k2] * r); */ -+ r = 0; -+ } else { -+ if (sd->linear != 7) -+ r /= exps[16 - k2]; -+ else { -+ if (r != 0) -+ /* 1 / x * 10 ** (-m) == 10 ** m / x */ -+ r = exps[16 - k2] / r; -+ else -+ r = 0; -+ } -+ } -+ -+ return r; -+} -+ -+static const char *threshold_text[] = { -+ "upper non-recoverable threshold", -+ "upper critical threshold", -+ "upper non-critical threshold", -+ "lower non-recoverable threshold", -+ "lower critical threshold", -+ "lower non-critical threshold", -+ "positive-going hysteresis", -+ "negative-going hysteresis" /* unused */ -+}; -+ -+/* select two out of the 8 possible readable thresholds, and place indexes into the limits -+ array into lim1 and lim2. Set writable flags */ -+static void ipmisensors_select_thresholds(struct sdrdata *sd) -+{ -+ u8 capab = sd->capab; -+ u16 mask = sd->thresh_mask; -+ int tmp; -+ -+ sd->lim1 = -1; -+ sd->lim2 = -1; -+ sd->lim1_write = 0; -+ sd->lim2_write = 0; -+ -+ if (((capab & 0x0c) == 0x04) || /* readable thresholds ? */ -+ ((capab & 0x0c) == 0x08)) { -+ /* select upper threshold */ -+ if (mask & 0x10) { /* upper crit */ -+ sd->lim1 = 1; -+ if ((capab & 0x0c) == 0x08 && (mask & 0x1000)) -+ sd->lim1_write = 1; -+ } else if (mask & 0x20) { /* upper non-recov */ -+ sd->lim1 = 0; -+ if ((capab & 0x0c) == 0x08 && (mask & 0x2000)) -+ sd->lim1_write = 1; -+ } else if (mask & 0x08) { /* upper non-crit */ -+ sd->lim1 = 2; -+ if ((capab & 0x0c) == 0x08 && (mask & 0x0800)) -+ sd->lim1_write = 1; -+ } -+ -+ /* select lower threshold */ -+ if ((((capab & 0x30) == 0x10) || /* readable ? */ -+ ((capab & 0x30) == 0x20)) && /* pos hyst */ -+ sd->stype == STYPE_TEMP) -+ sd->lim2 = 6; -+ else if (mask & 0x02) { /* lower crit */ -+ sd->lim2 = 4; -+ if ((capab & 0x0c) == 0x08 && (mask & 0x0200)) -+ sd->lim2_write = 1; -+ } else if (mask & 0x04) { /* lower non-recov */ -+ sd->lim2 = 3; -+ if ((capab & 0x0c) == 0x08 && (mask & 0x0400)) -+ sd->lim2_write = 1; -+ } else if (mask & 0x01) { /* lower non-crit */ -+ sd->lim2 = 5; -+ if ((capab & 0x0c) == 0x08 && (mask & 0x0100)) -+ sd->lim2_write = 1; -+ } -+ } -+ -+ /* swap lim1/lim2 if m < 0 or function is 1/x (but not both!) */ -+ if ((sd->m < 0 && sd->linear != 7) || (sd->m >= 0 && sd->linear == 7)) { -+ tmp = sd->lim1; -+ sd->lim1 = sd->lim2; -+ sd->lim2 = tmp; -+ } -+ -+ if (sd->lim1 >= 0) -+ printk(KERN_INFO "ipmisensors: using %s for upper limit\n", -+ threshold_text[sd->lim1]); -+ else -+ printk(KERN_DEBUG "ipmisensors: no readable upper limit\n"); -+ -+ if (sd->lim2 >= 0) -+ printk(KERN_INFO "ipmisensors: using %s for lower limit\n", -+ threshold_text[sd->lim2]); -+ else -+ printk(KERN_DEBUG "ipmisensors: no readable lower limit\n"); -+} -+ -+/************* sysfs callback functions *********/ -+static ssize_t show_update_period(struct device *dev, -+ struct device_attribute *attr, char *buf) -+{ -+ struct ipmisensors_bmc_device_attribute *aattr = -+ to_ipmisensors_bmc_dev_attr(attr); -+ -+ return snprintf(buf, 20, "%d\n", aattr->bmc->update_period); -+} -+ -+static ssize_t store_update_period(struct device *dev, -+ struct device_attribute *attr, -+ const char *buf, size_t count) -+{ -+ struct ipmisensors_bmc_device_attribute *aattr = -+ to_ipmisensors_bmc_dev_attr(attr); -+ -+ aattr->bmc->update_period = simple_strtoul(buf, NULL, 10);; -+ return count; -+}; -+ -+static ssize_t show_sensor(struct device *dev, struct device_attribute *attr, -+ char *buf) -+{ -+ struct ipmisensors_device_attribute *sattr = -+ to_ipmisensors_dev_attr(attr); -+ return snprintf(buf, 20, "%ld\n", -+ conv_val(sattr->sdr->reading, sattr->sdr)); -+} -+ -+static ssize_t show_sensor_max(struct device *dev, -+ struct device_attribute *attr, char *buf) -+{ -+ long max = 0; -+ struct ipmisensors_device_attribute *sattr = -+ to_ipmisensors_dev_attr(attr); -+ -+ if (sattr->sdr->lim1 >= 0) -+ max = conv_val(sattr->sdr->limits[sattr->sdr->lim1], -+ sattr->sdr); -+ return snprintf(buf, 20, "%ld\n", max); -+} -+ -+static ssize_t show_sensor_min(struct device *dev, -+ struct device_attribute *attr, char *buf) -+{ -+ long min = 0; -+ struct ipmisensors_device_attribute *sattr = -+ to_ipmisensors_dev_attr(attr); -+ -+ if (sattr->sdr->lim2 >= 0) -+ min = conv_val(sattr->sdr->limits[sattr->sdr->lim2], -+ sattr->sdr); -+ return snprintf(buf, 20, "%ld\n", min); -+}; -+ -+static ssize_t show_sensor_label(struct device *dev, -+ struct device_attribute *attr, char *buf) -+{ -+ u8 label[SDR_MAX_UNPACKED_ID_LENGTH]; -+ struct ipmisensors_device_attribute *sattr = -+ to_ipmisensors_dev_attr(attr); -+ -+ ipmisensors_sprintf(label, sattr->sdr->id, sattr->sdr->string_type, -+ sattr->sdr->id_length); -+ return snprintf(buf, 20, "%s\n", label); -+}; -+ -+static ssize_t store_sensor_max(struct device *dev, -+ struct device_attribute *attr, const char *buf, -+ size_t count) -+{ -+ long val = simple_strtoul(buf, NULL, 10); -+ struct ipmisensors_device_attribute *sattr = -+ to_ipmisensors_dev_attr(attr); -+ printk(KERN_DEBUG "ipmisensors: set max on sensor #%d to %ld", -+ sattr->sdr->number, val); -+ ipmisensors_set_sensor_threshold(sattr->sdr->bmc, sattr->sdr->number, -+ val, sattr->sdr->lim1); -+ return count; -+}; -+ -+static ssize_t store_sensor_min(struct device *dev, -+ struct device_attribute *attr, const char *buf, -+ size_t count) -+{ -+ long val = simple_strtoul(buf, NULL, 10); -+ struct ipmisensors_device_attribute *sattr = -+ to_ipmisensors_dev_attr(attr); -+ printk(KERN_DEBUG "ipmisensors: set min on sensor #%d to %ld", -+ sattr->sdr->number, val); -+ ipmisensors_set_sensor_threshold(sattr->sdr->bmc, sattr->sdr->number, -+ val, sattr->sdr->lim2); -+ return count; -+}; -+ -+static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, -+ char *buf) -+{ -+ struct ipmisensors_bmc_device_attribute *aattr = -+ to_ipmisensors_bmc_dev_attr(attr); -+ return snprintf(buf, 20, "%d\n", aattr->bmc->alarms); -+}; -+ -+static ssize_t show_name(struct device *dev, struct device_attribute *attr, -+ char *buf) -+{ -+ return snprintf(buf, 20, "%s\n", driver_data.driver_name); -+}; -+ -+/* work function to build the sysfs entries using the ipmi sdrs */ -+static void ipmisensors_build_sysfs(struct work_struct *work) -+{ -+ int temps = 0, volts = 0, currs = 0, fans = 0; -+ struct sdrdata *cursor, *next; -+ struct ipmisensors_bmc_data *bmc = container_of(work, struct ipmisensors_bmc_data, sysfs_work); -+ -+ /* find and create entries for each sdr data struct */ -+ list_for_each_entry_safe(cursor, next, &bmc->sdrs, list) { -+ u8 id[SDR_MAX_UNPACKED_ID_LENGTH]; -+ -+ cursor->attr_name = -+ (char *)kmalloc(sizeof(char) * MAX_FILENAME_LENGTH, -+ GFP_KERNEL); -+ cursor->attr_max_name = -+ (char *)kmalloc(sizeof(char) * MAX_FILENAME_LENGTH, -+ GFP_KERNEL); -+ cursor->attr_min_name = -+ (char *)kmalloc(sizeof(char) * MAX_FILENAME_LENGTH, -+ GFP_KERNEL); -+ -+ if (cursor->id_length > 0) { -+ cursor->attr_label_name = -+ (char *)kmalloc(sizeof(char) * MAX_FILENAME_LENGTH, -+ GFP_KERNEL); -+ -+ if (cursor->attr_label_name == NULL) { -+ printk(KERN_INFO -+ "ipmisensors: Out of memory (kmalloc failed)"); -+ kfree(cursor->attr_name); -+ kfree(cursor->attr_max_name); -+ kfree(cursor->attr_min_name); -+ return; -+ } -+ } -+ -+ if (cursor->attr_name == NULL || cursor->attr_max_name == NULL -+ || cursor->attr_min_name == NULL -+ || cursor->attr_label_name == NULL) { -+ printk(KERN_INFO -+ "ipmisensors: Out of memory (kmalloc failed)"); -+ kfree(cursor->attr_name); -+ kfree(cursor->attr_max_name); -+ kfree(cursor->attr_min_name); -+ kfree(cursor->attr_label_name); -+ return; -+ } -+ -+ switch (cursor->stype) { -+ case (STYPE_TEMP): -+ /* create the name of the sensor */ -+ snprintf(cursor->attr_name, MAX_FILENAME_LENGTH, -+ "temp%d_input", ++temps); -+ /* create min, max attributes */ -+ snprintf(cursor->attr_max_name, MAX_FILENAME_LENGTH, -+ "temp%d_max", temps); -+ snprintf(cursor->attr_min_name, MAX_FILENAME_LENGTH, -+ "temp%d_min", temps); -+ /* create the label of the sensor */ -+ snprintf(cursor->attr_label_name, MAX_FILENAME_LENGTH, -+ "temp%d_label", temps); -+ break; -+ case (STYPE_VOLT): -+ /* create the name of the sensor */ -+ snprintf(cursor->attr_name, MAX_FILENAME_LENGTH, -+ "in%d_input", ++volts); -+ /* create min, max attributes */ -+ snprintf(cursor->attr_max_name, MAX_FILENAME_LENGTH, -+ "in%d_max", volts); -+ snprintf(cursor->attr_min_name, MAX_FILENAME_LENGTH, -+ "in%d_min", volts); -+ /* create the label of the sensor */ -+ snprintf(cursor->attr_label_name, MAX_FILENAME_LENGTH, -+ "in%d_label", volts); -+ break; -+ case (STYPE_CURR): -+ /* create the name of the sensor */ -+ snprintf(cursor->attr_name, MAX_FILENAME_LENGTH, -+ "curr%d_input", ++currs); -+ /* create min, max attributes */ -+ sprintf(cursor->attr_max_name, "curr%d_max", currs); -+ sprintf(cursor->attr_min_name, "curr%d_min", currs); -+ /* create the label of the sensor */ -+ snprintf(cursor->attr_label_name, MAX_FILENAME_LENGTH, -+ "curr%d_label", currs); -+ break; -+ case (STYPE_FAN): -+ /* create the name of the sensor */ -+ snprintf(cursor->attr_name, MAX_FILENAME_LENGTH, -+ "fan%d_input", ++fans); -+ /* create min, max attributes */ -+ sprintf(cursor->attr_max_name, "fan%d_max", fans); -+ sprintf(cursor->attr_min_name, "fan%d_min", fans); -+ /* create the label of the sensor */ -+ snprintf(cursor->attr_label_name, MAX_FILENAME_LENGTH, -+ "fan%d_label", fans); -+ break; -+ default: -+ printk(KERN_INFO "ipmisensors: unkown sensor type\n"); -+ continue; -+ } -+ -+ cursor->attr.dev_attr.attr.name = cursor->attr_name; -+ cursor->attr.dev_attr.attr.mode = S_IRUGO; -+ cursor->attr.dev_attr.attr.owner = THIS_MODULE; -+ cursor->attr.dev_attr.show = show_sensor; -+ cursor->attr.dev_attr.store = NULL; -+ cursor->attr.sdr = cursor; -+ -+ cursor->attr_min.dev_attr.attr.name = cursor->attr_min_name; -+ cursor->attr_min.dev_attr.attr.owner = THIS_MODULE; -+ cursor->attr_min.dev_attr.show = show_sensor_min; -+ cursor->attr_min.sdr = cursor; -+ -+ if (cursor->lim2_write) { -+ printk(KERN_INFO -+ "ipmisensors: You have a writable sensor threshold! Send me an e-mail at <yani.ioannou@gmail.com>.\n"); -+ cursor->attr_min.dev_attr.store = store_sensor_min; -+ cursor->attr_min.dev_attr.attr.mode = S_IWUSR | S_IRUGO; -+ } else { -+ cursor->attr_min.dev_attr.store = NULL; -+ cursor->attr_min.dev_attr.attr.mode = S_IRUGO; -+ } -+ -+ cursor->attr_max.dev_attr.attr.name = cursor->attr_max_name; -+ cursor->attr_max.dev_attr.attr.owner = THIS_MODULE; -+ cursor->attr_max.dev_attr.show = show_sensor_max; -+ cursor->attr_max.sdr = cursor; -+ -+ if (cursor->lim1_write) { -+ printk(KERN_INFO -+ "ipmisensors: You have a writable sensor threshold! Send me an e-mail at <yani.ioannou@gmail.com>.\n"); -+ cursor->attr_max.dev_attr.store = store_sensor_max; -+ cursor->attr_max.dev_attr.attr.mode = S_IWUSR | S_IRUGO; -+ } else { -+ cursor->attr_max.dev_attr.store = NULL; -+ cursor->attr_max.dev_attr.attr.mode = S_IRUGO; -+ } -+ -+ if (cursor->id_length > 0) { -+ cursor->attr_label.dev_attr.attr.name = -+ cursor->attr_label_name; -+ cursor->attr_label.dev_attr.attr.mode = S_IRUGO; -+ cursor->attr_label.dev_attr.attr.owner = THIS_MODULE; -+ cursor->attr_label.dev_attr.show = show_sensor_label; -+ cursor->attr_label.dev_attr.store = NULL; -+ cursor->attr_label.sdr = cursor; -+ } -+ -+ printk(KERN_INFO -+ "ipmisensors: registering sensor %d: (type 0x%.2x) " -+ "(fmt=%d; m=%d; b=%d; k1=%d; k2=%d; cap=0x%.2x; mask=0x%.4x)\n", -+ cursor->number, cursor->stype, cursor->format, cursor->m, -+ cursor->b, cursor->k & 0xf, cursor->k >> 4, -+ cursor->capab, cursor->thresh_mask); -+ -+ if (cursor->id_length > 0) { -+ ipmisensors_sprintf(id, cursor->id, cursor->string_type, -+ cursor->id_length); -+ switch (cursor->stype) { -+ case (STYPE_TEMP): -+ printk(KERN_INFO -+ "ipmisensors: sensors.conf: label temp%d \"%s\"\n", -+ temps, id); -+ break; -+ case (STYPE_VOLT): -+ printk(KERN_INFO -+ "ipmisensors: sensors.conf: label in%d \"%s\"\n", -+ volts, id); -+ break; -+ case (STYPE_CURR): -+ printk(KERN_INFO -+ "ipmisensors: sensors.conf: label curr%d \"%s\"\n", -+ currs, id); -+ break; -+ case (STYPE_FAN): -+ printk(KERN_INFO -+ "ipmisensors: sensors.conf: label fan%d \"%s\"\n", -+ fans, id); -+ break; -+ } -+ } -+ -+ ipmisensors_select_thresholds(cursor); -+ -+ if (cursor->linear != 0 && cursor->linear != 7) { -+ printk(KERN_INFO -+ "ipmisensors: sensor %d: nonlinear function 0x%.2x unsupported, expect bad results\n", -+ cursor->number, cursor->linear); -+ } -+ -+ if ((cursor->format & 0x03) == 0x02) { -+ printk(KERN_INFO -+ "ipmisensors: sensor %d: 1's complement format unsupported, expect bad results\n", -+ cursor->number); -+ } else if ((cursor->format & 0x03) == 0x03) { -+ printk(KERN_INFO -+ "ipmisensors: sensor %d: threshold sensor only, no readings available", -+ cursor->number); -+ } -+ -+ if (cursor->lim1_write || cursor->lim2_write) -+ cursor->attr.dev_attr.attr.mode = 0644; -+ else -+ cursor->attr.dev_attr.attr.mode = 0444; -+ -+ if (device_create_file(bmc->dev, &cursor->attr.dev_attr) < 0 -+ || device_create_file(bmc->dev, -+ &cursor->attr_min.dev_attr) < 0 -+ || device_create_file(bmc->dev, -+ &cursor->attr_max.dev_attr) < 0 -+ || (cursor->id_length > -+ 0 ? device_create_file(bmc->dev, -+ &cursor->attr_label.dev_attr) < -+ 0 : 0) -+ ) { -+ printk(KERN_INFO -+ "ipmisensors: sysfs file creation failed for SDR %d (%s).\n", -+ cursor->number, cursor->id); -+ kfree(cursor->attr_name); -+ kfree(cursor->attr_max_name); -+ kfree(cursor->attr_min_name); -+ kfree(cursor->attr_label_name); -+ return; -+ } -+ } -+ -+ bmc->alarms_attr.dev_attr.attr.name = "alarms"; -+ bmc->alarms_attr.dev_attr.attr.mode = S_IRUGO; -+ bmc->alarms_attr.dev_attr.attr.owner = THIS_MODULE; -+ bmc->alarms_attr.dev_attr.show = show_alarms; -+ bmc->alarms_attr.dev_attr.store = NULL; -+ bmc->alarms_attr.bmc = bmc; -+ -+ if (device_create_file(bmc->dev, &bmc->alarms_attr.dev_attr) < 0) { -+ printk(KERN_INFO -+ "ipmisensors: Failed to create sysfs entry 'alarms'"); -+ return; -+ } -+ -+ bmc->name_attr.attr.name = "name"; -+ bmc->name_attr.attr.mode = S_IRUGO; -+ bmc->name_attr.attr.owner = THIS_MODULE; -+ bmc->name_attr.show = show_name; -+ -+ if (device_create_file(bmc->dev, &bmc->name_attr) < 0) { -+ printk(KERN_INFO -+ "ipmisensors: Failed to create sysfs entry 'name'"); -+ return; -+ } -+ -+ bmc->update_attr.dev_attr.attr.name = "update_period"; -+ bmc->update_attr.dev_attr.attr.mode = S_IWUSR | S_IRUGO; -+ bmc->update_attr.dev_attr.attr.owner = THIS_MODULE; -+ bmc->update_attr.dev_attr.show = show_update_period; -+ bmc->update_attr.dev_attr.store = store_update_period; -+ bmc->update_attr.bmc = bmc; -+ -+ if (device_create_file(bmc->dev, &bmc->update_attr.dev_attr) < 0) { -+ printk(KERN_INFO -+ "ipmisensors: Failed to create sysfs entry 'update_period'"); -+ return; -+ } -+ -+ printk(KERN_INFO -+ "ipmisensors: registered %d temp, %d volt, %d current, %d fan sensors\n", -+ temps, volts, currs, fans); -+ -+ /* This completes the initialization. We can now kickoff the -+ * periodic update of the bmc sensor's values by scheduling -+ * the first work. -+ */ -+ queue_work(ipmisensors_workqueue, &bmc->update_work.work); -+ -+} -+ -+/** -+ * Process an SDR response message, save the SDRs we like in the sdr -+ * list for the given BMC. -+ * -+ * @bmc: the bmc the message is from -+ * @msg: the IPMI SDR response message -+ */ -+static void ipmisensors_rcv_sdr_msg(struct ipmisensors_bmc_data *bmc, -+ struct kernel_ipmi_msg *msg) -+{ -+ u16 record; -+ int type; -+ int stype; -+ int id_length; -+ int i; -+ int ipmi_ver = 0; -+ unsigned char *data; -+ u8 id[SDR_MAX_UNPACKED_ID_LENGTH]; -+ struct sdrdata *sdr; -+ -+ if (msg->data[0] != 0) { -+ /* cut request in half and try again */ -+ bmc->ipmi_sdr_partial_size /= 2; -+ if (bmc->ipmi_sdr_partial_size < 8) { -+ printk(KERN_INFO -+ "ipmisensors: IPMI buffers too small, giving up\n"); -+ bmc->state = STATE_DONE; -+ return; -+ } -+ printk(KERN_DEBUG -+ "ipmisensors: Reducing SDR request size to %d\n", -+ bmc->ipmi_sdr_partial_size); -+ -+ ipmisensors_get_sdr(bmc, 0, 0, 0); -+ bmc->state = STATE_SDR; -+ return; -+ } -+ if (bmc->ipmi_sdr_partial_size < IPMI_SDR_SIZE) { -+ if (bmc->rx_msg_data_offset == 0) { -+ memcpy(bmc->rx_msg_data, msg->data, -+ bmc->ipmi_sdr_partial_size + 3); -+ bmc->rx_msg_data_offset = -+ bmc->ipmi_sdr_partial_size + 3; -+ } else { -+ memcpy(bmc->rx_msg_data + bmc->rx_msg_data_offset, -+ msg->data + 3, bmc->ipmi_sdr_partial_size); -+ bmc->rx_msg_data_offset += bmc->ipmi_sdr_partial_size; -+ } -+ if (bmc->rx_msg_data_offset > bmc->rx_msg_data[7] + 7) { -+ /* got last chunk */ -+ bmc->rx_msg_data_offset = 0; -+ data = bmc->rx_msg_data; -+ } else { -+ /* get more */ -+ record = -+ (bmc->rx_msg_data[4] << 8) | bmc->rx_msg_data[3]; -+ ipmisensors_get_sdr(bmc, bmc->resid, record, -+ bmc->rx_msg_data_offset - 3); -+ bmc->state = STATE_SDR; -+ return; -+ } -+ } else { -+ /* got it in one chunk */ -+ data = msg->data; -+ } -+ -+ bmc->nextrecord = (data[2] << 8) | data[1]; -+ -+ /* If the ipmi version is 0.9 we have to remap some things. -+ * Yes this is very ugly, but we aren't the ones who -+ * implemented an incomplete spec! -+ */ -+ ipmi_ver = data[5]; -+ -+ type = data[6]; -+ /* known SDR type */ -+ if (type == 1 || type == 2) { -+ stype = data[(ipmi_ver == 0x90 ? 16 : 15)]; -+ /* known sensor type */ -+ if (stype <= STYPE_MAX) { -+ if (data[(ipmi_ver == 0x90 ? 17 : 16)] != 0x01) { -+ if (type == 1) -+ ipmisensors_sprintf(id, &data[51], -+ data[50] >> 6, -+ data[50] & 0x1f); -+ else -+ ipmisensors_sprintf(id, -+ &data[(ipmi_ver == -+ 0x90 ? 30 : -+ 35)], -+ data[(ipmi_ver == -+ 0x90 ? 29 : -+ 34)] >> 6, -+ data[(ipmi_ver == -+ 0x90 ? 29 : -+ 34)] & 0x1f); -+ printk(KERN_INFO -+ "ipmisensors: skipping non-threshold sensor \"%s\"\n", -+ id); -+ } else { -+ /* add entry to sdrd table */ -+ sdr = ipmisensors_new_sdr(); -+ if (!sdr) { -+ printk(KERN_ERR -+ "ipmisensors: could not allocate memory for new SDR"); -+ return; -+ } -+ sdr->bmc = bmc; -+ sdr->stype = stype; -+ sdr->number = data[10]; -+ sdr->capab = data[(ipmi_ver == 0x90 ? 15 : 14)]; -+ sdr->thresh_mask = -+ (((u16) data[(ipmi_ver == 0x90 ? 21 : 22)]) -+ << 8) | data[21]; -+ if (type == 1) { -+ sdr->format = -+ data[(ipmi_ver == -+ 0x90 ? 22 : 24)] >> 6; -+ sdr->linear = -+ data[(ipmi_ver == -+ 0x90 ? 25 : 26)] & 0x7f; -+ sdr->m = -+ data[(ipmi_ver == 0x90 ? 26 : 27)]; -+ sdr->m |= ((u16) -+ (data -+ [(ipmi_ver == -+ 0x90 ? 27 : 28)] -+ & 0xc0)) << 2; -+ if (sdr->m & 0x0200) { -+ /* sign extend */ -+ sdr->m |= 0xfc00; -+ } -+ sdr->b = -+ data[(ipmi_ver == 0x90 ? 28 : 29)]; -+ sdr->b |= ((u16) -+ (data -+ [(ipmi_ver == -+ 0x90 ? 29 : 30)] -+ & 0xc0)) << 2; -+ if (sdr->b & 0x0200) { -+ /* sign extend */ -+ sdr->b |= 0xfc00; -+ } -+ sdr->k = -+ data[(ipmi_ver == 0x90 ? 31 : 32)]; -+ sdr->nominal = -+ data[(ipmi_ver == 0x90 ? 33 : 34)]; -+ for (i = 0; i < SDR_LIMITS; i++) { -+ /* assume readable */ -+ sdr->limits[i] = -+ data[(ipmi_ver == -+ 0x90 ? 40 : 39) + i]; -+ } -+ sdr->string_type = data[50] >> 6; -+ id_length = data[50] & 0x1f; -+ memcpy(sdr->id, &data[51], id_length); -+ sdr->id_length = id_length; -+ } else { -+ sdr->m = 1; -+ sdr->b = 0; -+ sdr->k = 0; -+ sdr->string_type = -+ data[(ipmi_ver == -+ 0x90 ? 29 : 34)] >> 6; -+ id_length = data[34] & 0x1f; -+ if (id_length > 0) { -+ memcpy(sdr->id, -+ &data[(ipmi_ver == -+ 0x90 ? 30 : 35)], -+ id_length); -+ } -+ sdr->id_length = id_length; -+ /* limits?? */ -+ if (ipmi_ver == 0x90) { -+ memcpy(sdr->id, -+ &data[30], id_length); -+ sdr->id_length = id_length; -+ } -+ } -+ ipmisensors_add_sdr(bmc, sdr); -+ } -+ } -+ /* peek at the other SDR types */ -+ } else if (type == 0x10 || type == 0x11 || type == 0x12) { -+ ipmisensors_sprintf(id, data + 19, data[18] >> 6, -+ data[18] & 0x1f); -+ if (type == 0x10) { -+ printk(KERN_INFO -+ "ipmisensors: Generic Device acc=0x%x; slv=0x%x; lun=0x%x; type=0x%x; \"%s\"\n", -+ data[8], data[9], data[10], data[13], id); -+ } else if (type == 0x11) { -+ printk(KERN_INFO -+ "ipmisensors: FRU Device acc=0x%x; slv=0x%x; log=0x%x; ch=0x%x; type=0x%x; \"%s\"\n", -+ data[8], data[9], data[10], data[11], data[13], -+ id); -+ } else { -+ printk(KERN_INFO -+ "ipmisensors: Mgmt Ctllr Device slv=0x%x; \"%s\"\n", -+ data[8], id); -+ } -+ } else if (type == 0x14) { -+ printk(KERN_INFO -+ "ipmisensors: Message Channel Info Records:\n"); -+ for (i = 0; i < 8; i++) { -+ printk(KERN_INFO "ipmisensors: Channel %d info 0x%x\n", -+ i, data[9 + i]); -+ } -+ } else { -+ printk(KERN_INFO "ipmisensors: Skipping SDR type 0x%x\n", type); -+ } -+ if (ipmi_ver != 0x90) { -+ if (bmc->nextrecord >= 6224) { -+ /*YJ stop sensor scan on poweredge 1750 */ -+ bmc->nextrecord = 0xffff; -+ } -+ } -+ -+ if (bmc->nextrecord == 0xFFFF) { -+ if (bmc->sdr_count == 0) { -+ printk(KERN_INFO -+ "ipmisensors: No recognized sensors found.\n"); -+ bmc->state = STATE_DONE; -+ } else { -+ printk(KERN_INFO "ipmisensors: all sensors detected\n"); -+ bmc->state = STATE_SYSTABLE; -+ -+ /* Schedule sysfs build/registration work */ -+ INIT_WORK(&bmc->sysfs_work, ipmisensors_build_sysfs); -+ queue_work(ipmisensors_workqueue, &bmc->sysfs_work); -+ } -+ } else { -+ ipmisensors_get_sdr(bmc, 0, bmc->nextrecord, 0); -+ bmc->state = STATE_SDR; -+ } -+} -+ -+/** -+ * Process incoming messages based on internal state -+ * -+ * @bmc: the bmc the message is from. -+ * @msg: the ipmi message to process. -+ */ -+static void ipmisensors_rcv_msg(struct ipmisensors_bmc_data *bmc, -+ struct kernel_ipmi_msg *msg) -+{ -+ switch (bmc->state) { -+ case STATE_INIT: -+ case STATE_RESERVE: -+ bmc->resid = (((u16) msg->data[2]) << 8) | msg->data[1]; -+ -+ printk(KERN_DEBUG "ipmisensors: Got first resid 0x%.4x\n", -+ bmc->resid); -+ -+ ipmisensors_get_sdr(bmc, 0, 0, 0); -+ bmc->state = STATE_SDR; -+ break; -+ -+ case STATE_SDR: -+ case STATE_SDRPARTIAL: -+ ipmisensors_rcv_sdr_msg(bmc, msg); -+ break; -+ -+ case STATE_READING: -+ ipmisensors_rcv_reading_msg(bmc, msg); -+ break; -+ -+ case STATE_UNCANCEL: -+ bmc->resid = (((u16) msg->data[2]) << 8) | msg->data[1]; -+ -+ printk(KERN_DEBUG "ipmisensors: Got new resid 0x%.4x\n", -+ bmc->resid); -+ -+ bmc->rx_msg_data_offset = 0; -+ ipmisensors_get_sdr(bmc, 0, bmc->nextrecord, 0); -+ bmc->state = STATE_SDR; -+ break; -+ -+ case STATE_DONE: -+ case STATE_SYSTABLE: -+ break; -+ default: -+ bmc->state = STATE_INIT; -+ } -+} -+ -+/** -+ * Callback to handle a received IPMI message from a given BMC. -+ * -+ * @msg: the received message. -+ * @handler_data: a pointer to the particular bmc ipmisensors_bmc_data struct. -+ */ -+static void ipmisensors_msg_handler(struct ipmi_recv_msg *msg, -+ void *user_msg_data) -+{ -+ struct ipmisensors_bmc_data *bmc = -+ (struct ipmisensors_bmc_data *)user_msg_data; -+ -+ if (msg->msg.data[0] != 0) -+ printk(KERN_WARNING -+ "ipmisensors: Error 0x%x on cmd 0x%x/0x%x\n", -+ msg->msg.data[0], msg->msg.netfn, msg->msg.cmd); -+ -+ if (bmc != NULL && ipmisensors_intf_registered(bmc->interface_id)) { -+ if (bmc->state == STATE_SDR && -+ msg->msg.data[0] == IPMI_INVALID_RESERVATION_ID) { -+ /* reservation cancelled, get new resid */ -+ if (++bmc->errorcount > 275) { -+ printk(KERN_ERR -+ "ipmisensors: Too many reservations cancelled, giving up\n"); -+ bmc->state = STATE_DONE; -+ } else { -+ printk(KERN_DEBUG -+ "ipmisensors: resid 0x%04x cancelled, getting new one\n", -+ bmc->resid); -+ -+ ipmisensors_reserve_sdr(bmc); -+ bmc->state = STATE_UNCANCEL; -+ } -+ } else if (msg->msg.data[0] != IPMI_CC_NO_ERROR && -+ msg->msg.data[0] != IPMI_ERR_RETURNING_REQ_BYTES && -+ msg->msg.data[0] != IPMI_ERR_PROVIDING_RESPONSE) { -+ printk(KERN_ERR -+ "ipmisensors: Error 0x%x on cmd 0x%x/0x%x; state = %d; probably fatal.\n", -+ msg->msg.data[0], msg->msg.netfn & 0xfe, -+ msg->msg.cmd, bmc->state); -+ } else { -+ printk(KERN_DEBUG "ipmisensors: received message\n"); -+ ipmisensors_rcv_msg(bmc, &msg->msg); -+ } -+ -+ } else { -+ printk(KERN_WARNING -+ "ipmisensors: Response for non-registered BMC\n"); -+ if (bmc != NULL) -+ printk(KERN_DEBUG "ipmisensors: BMC ID: %d\n", -+ bmc->interface_id); -+ else -+ printk(KERN_DEBUG "ipmisensors: BMC NULL!\n"); -+ } -+ -+ ipmi_free_recv_msg(msg); -+} -+ -+/****** IPMI Interface Initialization ******/ -+ -+/** -+ * Return true if the given ipmi interface has been registered. -+ * -+ * @ipmi_intf: The IPMI interface number. -+ */ -+static int ipmisensors_intf_registered(int ipmi_intf) -+{ -+ int found = 0; -+ struct ipmisensors_bmc_data *cursor, *next; -+ -+ /* find and free the ipmisensors_bmc_data struct */ -+ list_for_each_entry_safe(cursor, next, &driver_data.bmc_data, list) { -+ if (cursor->interface_id == ipmi_intf) { -+ found++; -+ } -+ } -+ -+ return found; -+} -+ -+/** -+ * Return true if the given BMC has been registered. -+ * -+ * @bmc: The BMC device. -+ */ -+static int ipmisensors_bmc_registered(struct device *bmc) -+{ -+ int found = 0; -+ struct ipmisensors_bmc_data *cursor, *next; -+ -+ /* find and free the ipmisensors_bmc_data struct */ -+ list_for_each_entry_safe(cursor, next, &driver_data.bmc_data, list) { -+ if (cursor->dev == bmc) { -+ found++; -+ } -+ } -+ -+ return found; -+} -+ -+/** -+ * Register new IPMI BMC interface. Interface indpendent callback created -+ * for flexibility in adding new types of interface callbacks in future. -+ * -+ * @ipmi_intf: The IPMI interface number. -+ */ -+static void ipmisensors_register_bmc(int ipmi_intf, struct ipmi_addr *address) -+{ -+ int error; -+ -+ /* allocate a new ipmisensors_bmc_data struct */ -+ -+ struct ipmisensors_bmc_data *bmc = (struct ipmisensors_bmc_data *) -+ kmalloc(sizeof(struct ipmisensors_bmc_data), GFP_KERNEL); -+ -+ /* initialize members */ -+ INIT_LIST_HEAD(&bmc->sdrs); -+ bmc->interface_id = ipmi_intf; -+ -+ bmc->address = *address; -+ -+ bmc->sdr_count = 0; -+ bmc->msgid = 0; -+ bmc->ipmi_sdr_partial_size = IPMI_CHUNK_SIZE; -+ bmc->state = STATE_INIT; -+ bmc->errorcount = 0; -+ bmc->rx_msg_data_offset = 0; -+ bmc->dev = ipmi_get_bmcdevice(ipmi_intf); -+ -+ /* default to 3 second min update interval */ -+ bmc->update_period = 3; -+ -+ if (bmc->dev == NULL) { -+ printk(KERN_ERR -+ "ipmisensors: Error, couldn't get BMC device for interface %d\n", -+ bmc->interface_id); -+ kfree(bmc); -+ return; -+ } -+ -+ /* Create IPMI messaging interface user */ -+ error = ipmi_create_user(bmc->interface_id, &driver_data.ipmi_hndlrs, -+ bmc, &bmc->user); -+ if (error < 0) { -+ printk(KERN_ERR -+ "ipmisensors: Error, unable to register user with ipmi interface %d\n", -+ bmc->interface_id); -+ kfree(bmc); -+ return; -+ } -+ -+ /* Register the BMC as a HWMON class device */ -+ bmc->class_dev = hwmon_device_register(bmc->dev); -+ -+ if (IS_ERR(bmc->class_dev)) { -+ printk(KERN_ERR -+ "ipmisensors: Error, unable to register hwmon class device for interface %d\n", -+ bmc->interface_id); -+ kfree(bmc); -+ return; -+ } -+ -+ /* Register the BMC in the driver */ -+ if (ipmisensors_bmc_registered(bmc->dev)) { -+ printk(KERN_ERR -+ "ipmisensors: BMC on interface %d already registered\n", -+ bmc->interface_id); -+ hwmon_device_unregister(bmc->class_dev); -+ kfree(bmc); -+ return; -+ } -+ -+ ipmi_get_version(bmc->user, &bmc->ipmi_version_major, -+ &bmc->ipmi_version_minor); -+ -+ /* finally add the new bmc data to the bmc data list */ -+ list_add_tail(&bmc->list, &driver_data.bmc_data); -+ driver_data.interfaces++; -+ -+ printk(KERN_INFO -+ "ipmisensors: Registered IPMI %d.%d BMC over interface %d\n", -+ bmc->ipmi_version_major, -+ bmc->ipmi_version_minor, bmc->interface_id); -+ -+ /* Send a reserve SDR command to the bmc */ -+ ipmisensors_reserve_sdr(bmc); -+ -+ /* initialize the bmc's update work struct */ -+ INIT_DELAYED_WORK(&bmc->update_work, ipmisensors_update_bmc); -+} -+ -+/** -+ * Callback for when an IPMI BMC is gone. Interface indpendent callback created -+ * for flexibility in adding new types of interface callbacks in future. -+ * -+ * @ipmi_intf: The IPMI interface number. -+ */ -+static void ipmisensors_unregister_bmc(int ipmi_intf) -+{ -+ struct ipmisensors_bmc_data *cursor, *next; -+ -+ /* find and free the ipmisensors_bmc_data struct */ -+ list_for_each_entry_safe(cursor, next, &driver_data.bmc_data, list) { -+ if (cursor->interface_id == ipmi_intf) { -+ list_del(&cursor->list); -+ printk(KERN_DEBUG -+ "ipmisensors: cancelling queued work\n"); -+ /* cancel update work queued for this bmc */ -+ cancel_delayed_work(&cursor->update_work); -+ printk(KERN_DEBUG -+ "ipmisensors: waiting for update to finish\n"); -+ /* wait for readings to finish */ -+ while (cursor->state != STATE_DONE) ; -+ -+ device_remove_file(cursor->dev, -+ &cursor->alarms_attr.dev_attr); -+ device_remove_file(cursor->dev, -+ &cursor->update_attr.dev_attr); -+ hwmon_device_unregister(cursor->class_dev); -+ ipmisensors_sdr_cleanup(cursor); -+ ipmi_destroy_user(cursor->user); -+ -+ printk(KERN_INFO -+ "ipmisensors: Unegistered IPMI interface %d\n", -+ cursor->interface_id); -+ -+ kfree(cursor); -+ driver_data.interfaces--; -+ } -+ } -+ -+} -+ -+/** -+ * Unregister all registered bmcs. -+ */ -+static void ipmisensors_unregister_bmc_all(void) -+{ -+ struct ipmisensors_bmc_data *cursor, *next; -+ -+ /* find and free the ipmisensors_bmc_data struct */ -+ list_for_each_entry_safe(cursor, next, &driver_data.bmc_data, list) { -+ list_del(&cursor->list); -+ -+ /* cancel update work queued for this bmc */ -+ printk(KERN_DEBUG "ipmisensors: cancelling queued work\n"); -+ cancel_delayed_work(&cursor->update_work); -+ -+ printk(KERN_DEBUG -+ "ipmisensors: waiting for update to finish\n"); -+ /* wait for readings to finish */ -+ while (cursor->state != STATE_DONE) ; -+ -+ device_remove_file(cursor->dev, &cursor->alarms_attr.dev_attr); -+ device_remove_file(cursor->dev, &cursor->update_attr.dev_attr); -+ hwmon_device_unregister(cursor->class_dev); -+ ipmisensors_sdr_cleanup(cursor); -+ ipmi_destroy_user(cursor->user); -+ -+ printk(KERN_INFO -+ "ipmisensors: Unegistered IPMI interface %d\n", -+ cursor->interface_id); -+ -+ kfree(cursor); -+ } -+ -+ driver_data.interfaces = 0; -+} -+ -+/** -+ * Callback for when a new IPMI SMI type interface is found. -+ * -+ * @if_num: The IPMI interface number. -+ */ -+static void ipmisensors_new_smi(int if_num, struct device *dev) -+{ -+ struct ipmi_addr smi_address = { -+ IPMI_SYSTEM_INTERFACE_ADDR_TYPE, -+ IPMI_BMC_CHANNEL, -+ {0}, -+ }; -+ -+ /* calls the generic new interface function */ -+ ipmisensors_register_bmc(if_num, &smi_address); -+} -+ -+/** -+ * Callback for when an exisiting IPMI SMI type interface is gone. -+ * -+ * @if_num: The IPMI interface number. -+ */ -+static void ipmisensors_smi_gone(int if_num) -+{ -+ if (driver_data.interfaces > 0) { -+ ipmisensors_unregister_bmc(if_num); -+ } -+} -+ -+/** -+ * Initialize the module. -+ */ -+static int __init ipmisensors_init(void) -+{ -+ int error; -+ printk(KERN_INFO "ipmisensors - IPMI BMC sensors interface\n"); -+ -+ /* init cache managers */ -+ driver_data.sdrdata_cache = -+ kmem_cache_create("ipmisensors_sdrdata", sizeof(struct sdrdata), 0, -+ 0, NULL, NULL); -+ driver_data.sysfsattr_cache = -+ kmem_cache_create("ipmisensors_sysfsattr", -+ sizeof(struct ipmisensors_device_attribute), 0, 0, -+ NULL, NULL); -+ -+ if (!driver_data.sdrdata_cache || !driver_data.sysfsattr_cache) { -+ if (driver_data.sdrdata_cache) -+ kmem_cache_destroy(driver_data.sdrdata_cache); -+ if (driver_data.sysfsattr_cache) -+ kmem_cache_destroy(driver_data.sysfsattr_cache); -+ return -ENOMEM; -+ } -+ -+ /* register IPMI interface callback(s) */ -+ error = ipmi_smi_watcher_register(&driver_data.smi_watcher); -+ if (error) { -+ printk(KERN_WARNING -+ "ipmisensors: can't register smi watcher\n"); -+ return error; -+ } -+ -+ /* create work queue, keep it simple, single-threaded */ -+ ipmisensors_workqueue = -+ create_singlethread_workqueue("ipmisensors_workqueue"); -+ -+ return 0; -+} -+ -+/** -+ * Cleanup -+ */ -+static void ipmisensors_cleanup(void) -+{ -+ /* start cleanup */ -+ cleanup = 1; -+ -+ /* unregister bmcs */ -+ printk(KERN_DEBUG "ipmisensors: unregister bmcs\n"); -+ ipmi_smi_watcher_unregister(&driver_data.smi_watcher); -+ ipmisensors_unregister_bmc_all(); -+ -+ /* flush & destroy work queue */ -+ printk(KERN_DEBUG "ipmisensors: destroy workqueue\n"); -+ flush_workqueue(ipmisensors_workqueue); -+ destroy_workqueue(ipmisensors_workqueue); -+ -+ /* remove cache managers */ -+ if (driver_data.sdrdata_cache) -+ kmem_cache_destroy(driver_data.sdrdata_cache); -+ if (driver_data.sysfsattr_cache) -+ kmem_cache_destroy(driver_data.sysfsattr_cache); -+} -+ -+/** -+ * Cleanup and exit the module -+ */ -+static void __exit ipmisensors_exit(void) -+{ -+ ipmisensors_cleanup(); -+ printk(KERN_DEBUG "ipmisensors: cleanup finished\n"); -+} -+ -+MODULE_AUTHOR("Yani Ioannou <yani.ioannou@gmail.com>"); -+MODULE_DESCRIPTION("IPMI BMC sensors"); -+MODULE_LICENSE("GPL"); -+ -+module_init(ipmisensors_init); -+module_exit(ipmisensors_exit); -diff -rduNp linux-2.6.22.1.oorig2/drivers/hwmon/ipmisensors.h linux-2.6.22.1/drivers/hwmon/ipmisensors.h ---- linux-2.6.22.1.oorig2/drivers/hwmon/ipmisensors.h 1970-01-01 01:00:00.000000000 +0100 -+++ linux-2.6.22.1/drivers/hwmon/ipmisensors.h 2007-07-24 14:22:26.000000000 +0200 -@@ -0,0 +1,240 @@ -+/* -+ * ipmisensors.h - lm_sensors interface to IPMI sensors. -+ * -+ * Copyright (C) 2004-2006 Yani Ioannou <yani.ioannou@gmail.com> -+ * -+ * Adapted from bmcsensors (lm-sensors for linux 2.4) -+ * bmcsensors (C) Mark D. Studebaker <mdsxyz123@yahoo.com> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License as published by -+ * the Free Software Foundation; either version 2 of the License, or -+ * (at your option) any later version. -+ * -+ * This program is distributed in the hope that it will be useful, -+ * but WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+ * GNU General Public License for more details. -+ * -+ * You should have received a copy of the GNU General Public License -+ * along with this program; if not, write to the Free Software -+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -+ */ -+ -+#include <linux/ipmi.h> -+#include <linux/list.h> -+#include <linux/slab.h> -+#include <linux/workqueue.h> -+ -+/* SDR defs */ -+#define STYPE_TEMP 0x01 -+#define STYPE_VOLT 0x02 -+#define STYPE_CURR 0x03 -+#define STYPE_FAN 0x04 -+ -+#define SDR_LIMITS 8 -+#define SDR_MAX_ID_LENGTH 16 -+#define SDR_MAX_UNPACKED_ID_LENGTH ((SDR_MAX_ID_LENGTH * 4 / 3) + 2) -+ -+/* the last sensor type we are interested in */ -+#define STYPE_MAX 4 -+ -+#define IPMI_SDR_SIZE 67 -+#define IPMI_CHUNK_SIZE 16 -+ -+#define MAX_FILENAME_LENGTH 30 -+ -+struct ipmisensors_device_attribute { -+ struct device_attribute dev_attr; -+ struct sdrdata *sdr; -+}; -+#define to_ipmisensors_dev_attr(_dev_attr) \ -+ container_of(_dev_attr, struct ipmisensors_device_attribute, dev_attr) -+ -+#define IPMISENSORS_DEVICE_ATTR(_name,_mode,_show,_store,_index) \ -+struct ipmisensors_attribute sensor_dev_attr_##_name = { \ -+ .dev_attr = __ATTR(_name,_mode,_show,_store), \ -+ .index = _index, \ -+} -+ -+struct ipmisensors_bmc_device_attribute { -+ struct device_attribute dev_attr; -+ struct ipmisensors_bmc_data *bmc; -+}; -+#define to_ipmisensors_bmc_dev_attr(_dev_attr) \ -+ container_of(_dev_attr, struct ipmisensors_bmc_device_attribute, dev_attr) -+ -+/** -+ * &struct_sdrdata stores the IPMI Sensor Data Record (SDR) data, as recieved from the BMC, along with the corresponding sysfs attributes -+ */ -+struct sdrdata { -+ struct list_head list; -+ /* retrieved from SDR, not expected to change */ -+ /* Sensor Type Code */ -+ u8 stype; -+ u8 number; -+ /* Sensor Capability Code */ -+ u8 capab; -+ u16 thresh_mask; -+ u8 format; -+ u8 linear; -+ s16 m; -+ s16 b; -+ u8 k; -+ u8 nominal; -+ u8 limits[SDR_LIMITS]; -+ /* index into limits for reported upper and lower limit */ -+ int lim1, lim2; -+ u8 lim1_write, lim2_write; -+ u8 string_type; -+ u8 id_length; -+ u8 id[SDR_MAX_ID_LENGTH]; -+ /* retrieved from reading */ -+ u8 reading; -+ u8 status; -+ u8 thresholds; -+ /* sensor's bmc */ -+ struct ipmisensors_bmc_data *bmc; -+ /* sysfs entries */ -+ struct ipmisensors_device_attribute attr; -+ char *attr_name; -+ struct ipmisensors_device_attribute attr_min; -+ char *attr_min_name; -+ struct ipmisensors_device_attribute attr_max; -+ char *attr_max_name; -+ struct ipmisensors_device_attribute attr_label; -+ char *attr_label_name; -+ -+}; -+ -+/** -+ * &struct_ipmisensors_data stores the data for the ipmisensors driver. -+ */ -+struct ipmisensors_data { -+ /* Driver struct */ -+ char *driver_name; -+ -+ /* Linked list of ipmisensors_bmc_data structs, one for each BMC */ -+ struct list_head bmc_data; -+ -+ /* Number of ipmi interfaces (and hence ipmisensors_data structs). */ -+ int interfaces; -+ -+ /* IPMI kernel interface - SMI watcher */ -+ struct ipmi_smi_watcher smi_watcher; -+ -+ /* IPMI kernel interface - user handlers */ -+ struct ipmi_user_hndl ipmi_hndlrs; -+ -+ /* Cache manager for sdrdata cache */ -+ struct kmem_cache *sdrdata_cache; -+ -+ /* Cache manager for ipmi_sensor_device_attribute cache */ -+ struct kmem_cache *sysfsattr_cache; -+}; -+ -+/** -+ * &states: enumeration of state codes for a bmc specific ipmisensors -+ */ -+enum states { -+ STATE_INIT, -+ STATE_RESERVE, -+ STATE_SDR, -+ STATE_SDRPARTIAL, -+ STATE_READING, -+ STATE_UNCANCEL, -+ STATE_SYSTABLE, -+ STATE_DONE -+}; -+ -+/** -+ * &struct_ipmisensors_bmc_data stores the data for a particular IPMI BMC. -+ */ -+struct ipmisensors_bmc_data { -+ struct list_head list; -+ -+ /* The IPMI interface number */ -+ int interface_id; -+ -+ /* The IPMI address */ -+ struct ipmi_addr address; -+ -+ /* List of sdrdata structs (sdrs) recieved from the BMC */ -+ struct list_head sdrs; -+ -+ /* Count of the number of sdrs stored in the sdr list */ -+ int sdr_count; -+ -+ /* next message id */ -+ int msgid; -+ -+ /* The ipmi interface 'user' used to access this particular bmc */ -+ ipmi_user_t user; -+ -+ /* BMC IPMI Version (major) */ -+ unsigned char ipmi_version_major; -+ -+ /* BMC IPMI Version (minor) */ -+ unsigned char ipmi_version_minor; -+ -+ /* The size of the SDR request message */ -+ int ipmi_sdr_partial_size; -+ -+ /* transmit message buffer */ -+ struct kernel_ipmi_msg tx_message; -+ -+ /* ipmi transmited data buffer */ -+ unsigned char tx_msg_data[IPMI_MAX_MSG_LENGTH + 50]; /* why the +50 in bmcsensors? */ -+ -+ /* ipmi recieved data buffer */ -+ unsigned char rx_msg_data[IPMI_MAX_MSG_LENGTH + 50]; -+ -+ /* current recieve buffer offset */ -+ int rx_msg_data_offset; -+ -+ /* The id of then next SDR record to read during update cycle */ -+ u16 nextrecord; -+ -+ /* BMC SDR Reservation ID */ -+ u16 resid; -+ -+ /* Alarm status */ -+ u8 alarms; -+ -+ /* The cumalative error count for this bmc */ -+ int errorcount; -+ -+ /* The current state of this bmc w.r.t. ipmisensors (see enum states) */ -+ int state; -+ -+ /* The current sdr for which a reading is pending */ -+ struct sdrdata *current_sdr; -+ -+ /* The BMC's device struct */ -+ struct device *dev; -+ -+ /* hwmon class device */ -+ struct class_device *class_dev; -+ -+ /* hwmon device name */ -+ struct device_attribute name_attr; -+ -+ /* alarms attribute */ -+ struct ipmisensors_bmc_device_attribute alarms_attr; -+ -+ /* update_period attribute */ -+ struct ipmisensors_bmc_device_attribute update_attr; -+ -+ /* lower bound on time between updates (in seconds) */ -+ unsigned int update_period; -+ -+ /* semaphore used to do a headcount of the SDR readings we are waiting -+ * on in a given bmc update */ -+ struct semaphore update_semaphore; -+ -+ /* bmc's work struct for updating sensors */ -+ struct delayed_work update_work; -+ -+ /* bmc's work struct for building the sysfs workqueue */ -+ struct work_struct sysfs_work; -+}; -diff -rduNp linux-2.6.22.1.oorig2/include/linux/ipmi.h linux-2.6.22.1/include/linux/ipmi.h ---- linux-2.6.22.1.oorig2/include/linux/ipmi.h 2007-07-10 20:56:30.000000000 +0200 -+++ linux-2.6.22.1/include/linux/ipmi.h 2007-07-24 14:22:26.000000000 +0200 -@@ -300,6 +300,9 @@ int ipmi_create_user(unsigned int - safe, too. */ - int ipmi_destroy_user(ipmi_user_t user); - -+/* Get the IPMI BMC's device struct */ -+struct device *ipmi_get_bmcdevice(int ipmi_intf); -+ - /* Get the IPMI version of the BMC we are talking to. */ - void ipmi_get_version(ipmi_user_t user, - unsigned char *major, -diff -rduNp linux-2.6.22.1.oorig2/include/linux/ipmi_msgdefs.h linux-2.6.22.1/include/linux/ipmi_msgdefs.h ---- linux-2.6.22.1.oorig2/include/linux/ipmi_msgdefs.h 2007-07-10 20:56:30.000000000 +0200 -+++ linux-2.6.22.1/include/linux/ipmi_msgdefs.h 2007-07-24 14:22:26.000000000 +0200 -@@ -45,6 +45,7 @@ - - #define IPMI_NETFN_APP_REQUEST 0x06 - #define IPMI_NETFN_APP_RESPONSE 0x07 -+#define IPMI_GET_DEVICE_GUID_CMD 0x08 - #define IPMI_GET_DEVICE_ID_CMD 0x01 - #define IPMI_COLD_RESET_CMD 0x02 - #define IPMI_WARM_RESET_CMD 0x03 -@@ -57,6 +58,11 @@ - #define IPMI_GET_BMC_GLOBAL_ENABLES_CMD 0x2f - #define IPMI_READ_EVENT_MSG_BUFFER_CMD 0x35 - #define IPMI_GET_CHANNEL_INFO_CMD 0x42 -+#define IPMI_RESERVE_SDR 0x22 -+#define IPMI_GET_SDR 0x23 -+#define IPMI_GET_SENSOR_STATE_READING 0x2D -+#define IPMI_SET_SENSOR_HYSTERESIS 0x24 -+#define IPMI_SET_SENSOR_THRESHOLD 0x26 - - #define IPMI_NETFN_STORAGE_REQUEST 0x0a - #define IPMI_NETFN_STORAGE_RESPONSE 0x0b -@@ -79,10 +85,13 @@ - #define IPMI_NODE_BUSY_ERR 0xc0 - #define IPMI_INVALID_COMMAND_ERR 0xc1 - #define IPMI_TIMEOUT_ERR 0xc3 -+#define IPMI_INVALID_RESERVATION_ID 0xc5 - #define IPMI_ERR_MSG_TRUNCATED 0xc6 - #define IPMI_REQ_LEN_INVALID_ERR 0xc7 - #define IPMI_REQ_LEN_EXCEEDED_ERR 0xc8 - #define IPMI_NOT_IN_MY_STATE_ERR 0xd5 /* IPMI 2.0 */ -+#define IPMI_ERR_RETURNING_REQ_BYTES 0xca -+#define IPMI_ERR_PROVIDING_RESPONSE 0xce - #define IPMI_LOST_ARBITRATION_ERR 0x81 - #define IPMI_BUS_ERR 0x82 - #define IPMI_NAK_ON_WRITE_ERR 0x83 diff --git a/toolchain/kernel-headers/ipmi/linux-2.6.22.9-007-ipmisensors-20070314-1214.patch b/toolchain/kernel-headers/ipmi/linux-2.6.22.9-007-ipmisensors-20070314-1214.patch deleted file mode 100644 index 5fe74954f..000000000 --- a/toolchain/kernel-headers/ipmi/linux-2.6.22.9-007-ipmisensors-20070314-1214.patch +++ /dev/null @@ -1,1914 +0,0 @@ -diff -rduNp linux-2.6.22.1.oorig2/drivers/char/ipmi/ipmi_msghandler.c linux-2.6.22.1/drivers/char/ipmi/ipmi_msghandler.c ---- linux-2.6.22.1.oorig2/drivers/char/ipmi/ipmi_msghandler.c 2007-07-10 20:56:30.000000000 +0200 -+++ linux-2.6.22.1/drivers/char/ipmi/ipmi_msghandler.c 2007-07-24 14:22:26.000000000 +0200 -@@ -1953,6 +1953,24 @@ static void remove_proc_entries(ipmi_smi - #endif /* CONFIG_PROC_FS */ - } - -+/* -+ * Retrieves the bmc_device struct for a given ipmi interface number (or NULL if none). -+ */ -+struct device *ipmi_get_bmcdevice(int if_num) -+{ -+ ipmi_smi_t intf; -+ mutex_lock(&ipmi_interfaces_mutex); -+ list_for_each_entry_rcu(intf, &ipmi_interfaces, link) { -+ if (intf->intf_num == if_num){ -+ mutex_unlock(&ipmi_interfaces_mutex); -+ return &intf->bmc->dev->dev; -+ } -+ } -+ mutex_unlock(&ipmi_interfaces_mutex); -+ -+ return NULL; -+} -+ - static int __find_bmc_guid(struct device *dev, void *data) - { - unsigned char *id = data; -@@ -4196,3 +4214,4 @@ EXPORT_SYMBOL(ipmi_get_my_LUN); - EXPORT_SYMBOL(ipmi_smi_add_proc_entry); - EXPORT_SYMBOL(ipmi_user_set_run_to_completion); - EXPORT_SYMBOL(ipmi_free_recv_msg); -+EXPORT_SYMBOL(ipmi_get_bmcdevice); -diff -rduNp linux-2.6.22.1.oorig2/drivers/hwmon/Kconfig linux-2.6.22.1/drivers/hwmon/Kconfig ---- linux-2.6.22.1.oorig2/drivers/hwmon/Kconfig 2007-07-10 20:56:30.000000000 +0200 -+++ linux-2.6.22.1/drivers/hwmon/Kconfig 2007-07-24 14:22:26.000000000 +0200 -@@ -248,6 +248,16 @@ config SENSORS_CORETEMP - sensor inside your CPU. Supported all are all known variants - of Intel Core family. - -+config SENSORS_IPMI -+ tristate "IPMI Hardware Monitoring Support" -+ depends on HWMON && IPMI_HANDLER && EXPERIMENTAL -+ help -+ If you say yes here you get support for sensors monitored by -+ an IPMI baseboard management controller (BMC). -+ -+ This driver can also be built as a module. If so, the module -+ will be called ipmisensors. -+ - config SENSORS_IT87 - tristate "ITE IT87xx and compatibles" - depends on I2C -diff -rduNp linux-2.6.22.1.oorig2/drivers/hwmon/Makefile linux-2.6.22.1/drivers/hwmon/Makefile ---- linux-2.6.22.1.oorig2/drivers/hwmon/Makefile 2007-07-10 20:56:30.000000000 +0200 -+++ linux-2.6.22.1/drivers/hwmon/Makefile 2007-07-24 14:22:26.000000000 +0200 -@@ -32,6 +32,7 @@ obj-$(CONFIG_SENSORS_FSCPOS) += fscpos.o - obj-$(CONFIG_SENSORS_GL518SM) += gl518sm.o - obj-$(CONFIG_SENSORS_GL520SM) += gl520sm.o - obj-$(CONFIG_SENSORS_HDAPS) += hdaps.o -+obj-$(CONFIG_SENSORS_IPMI) += ipmisensors.o - obj-$(CONFIG_SENSORS_IT87) += it87.o - obj-$(CONFIG_SENSORS_K8TEMP) += k8temp.o - obj-$(CONFIG_SENSORS_LM63) += lm63.o -diff -rduNp linux-2.6.22.1.oorig2/drivers/hwmon/ipmisensors.c linux-2.6.22.1/drivers/hwmon/ipmisensors.c ---- linux-2.6.22.1.oorig2/drivers/hwmon/ipmisensors.c 1970-01-01 01:00:00.000000000 +0100 -+++ linux-2.6.22.1/drivers/hwmon/ipmisensors.c 2007-07-24 14:22:26.000000000 +0200 -@@ -0,0 +1,1552 @@ -+/* -+ * ipmisensors.c - lm-sensors/hwmon interface to IPMI sensors. -+ * -+ * Copyright (C) 2004-2006 Yani Ioannou <yani.ioannou@gmail.com> -+ * -+ * Adapted from bmcsensors (lm-sensors for linux 2.4) -+ * bmcsensors (C) Mark D. Studebaker <mdsxyz123@yahoo.com> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License as published by -+ * the Free Software Foundation; either version 2 of the License, or -+ * (at your option) any later version. -+ * -+ * This program is distributed in the hope that it will be useful, -+ * but WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+ * GNU General Public License for more details. -+ * -+ * You should have received a copy of the GNU General Public License -+ * along with this program; if not, write to the Free Software -+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -+ */ -+ -+#include <linux/init.h> -+#include <linux/module.h> -+#include <linux/param.h> -+#include <linux/hwmon.h> -+#include <linux/list.h> -+#include <linux/slab.h> -+#include <linux/device.h> -+#include <linux/hwmon.h> -+ -+#include "ipmisensors.h" -+ -+/****** Function Prototypes ******/ -+static void ipmisensors_send_message(struct ipmisensors_bmc_data *bmc, -+ long msgid, struct kernel_ipmi_msg *msg); -+static void ipmisensors_reserve_sdr(struct ipmisensors_bmc_data *bmc); -+static void ipmisensors_get_sdr(struct ipmisensors_bmc_data *bmc, u16 res_id, -+ u16 record, u8 offset); -+static void ipmisensors_set_sensor_threshold(struct ipmisensors_bmc_data *bmc, -+ u8 number, int value, -+ int lim_index); -+static void ipmisensors_get_reading(struct ipmisensors_bmc_data *bmc, -+ struct sdrdata *sdr); -+static void ipmisensors_msg_handler(struct ipmi_recv_msg *msg, -+ void *user_msg_data); -+static int ipmisensors_intf_registered(int ipmi_intf); -+static int ipmisensors_bmc_registered(struct device *bmc); -+static void ipmisensors_register_bmc(int ipmi_intf, struct ipmi_addr *address); -+static void ipmisensors_unregister_bmc(int ipmi_intf); -+static void ipmisensors_unregister_bmc_all(void); -+static void ipmisensors_new_smi(int if_num, struct device *dev); -+static void ipmisensors_smi_gone(int if_num); -+static void ipmisensors_update_bmc(struct work_struct *); -+static void ipmisensors_cleanup(void); -+ -+/****** Static Vars ******/ -+ -+/* set when module is being removed */ -+static int cleanup = 0; -+ -+/* ipmisensors driver data */ -+static struct ipmisensors_data driver_data = { -+ .driver_name = "bmc", -+ .bmc_data = LIST_HEAD_INIT(driver_data.bmc_data), -+ .interfaces = 0, -+ .smi_watcher = { -+ .owner = THIS_MODULE, -+ .new_smi = ipmisensors_new_smi, -+ .smi_gone = ipmisensors_smi_gone, -+ }, -+ .ipmi_hndlrs = { -+ .ipmi_recv_hndl = ipmisensors_msg_handler, -+ }, -+}; -+ -+/* sensor refresh workqueue */ -+static struct workqueue_struct *ipmisensors_workqueue; -+ -+/****** SDR List Functions ******/ -+/** -+ * Creates a new sdrdata struct, or returns NULL if insufficient memory. -+ */ -+static struct sdrdata *ipmisensors_new_sdr(void) -+{ -+ struct sdrdata *sdr; -+ -+ sdr = kmem_cache_alloc(driver_data.sdrdata_cache, GFP_ATOMIC); -+ if (sdr) { -+ memset(sdr, 0, sizeof(struct sdrdata)); -+ } else { -+ printk(KERN_ERR -+ "ipmisensors: Couldn't allocate memory for new SDR\n"); -+ } -+ -+ return sdr; -+} -+ -+/** -+ * Adds the given sdrdata struct to the given bmc's SDR list. -+ * -+ * @bmc: the bmc to send the message to. -+ */ -+static inline void ipmisensors_add_sdr(struct ipmisensors_bmc_data *bmc, -+ struct sdrdata *sdr) -+{ -+ list_add(&sdr->list, &bmc->sdrs); -+ printk(KERN_DEBUG -+ "ipmisensors: SDR %d: type 0x%02x (%s)\n", -+ bmc->sdr_count, sdr->stype, sdr->id); -+ bmc->sdr_count++; -+} -+ -+/** -+ * Cleanup the sdr list for the given BMC. -+ * -+ * @bmc: the bmc to send the message to. -+ */ -+static void ipmisensors_sdr_cleanup(struct ipmisensors_bmc_data *bmc) -+{ -+ struct sdrdata *cursor, *next; -+ -+ /* find and free each sdr data struct */ -+ list_for_each_entry_safe(cursor, next, &bmc->sdrs, list) { -+ device_remove_file(bmc->dev, &cursor->attr.dev_attr); -+ device_remove_file(bmc->dev, &cursor->attr_min.dev_attr); -+ device_remove_file(bmc->dev, &cursor->attr_max.dev_attr); -+ device_remove_file(bmc->dev, &cursor->attr_label.dev_attr); -+ -+ kfree(cursor->attr_name); -+ kfree(cursor->attr_max_name); -+ kfree(cursor->attr_min_name); -+ kfree(cursor->attr_label_name); -+ -+ list_del(&cursor->list); -+ kmem_cache_free(driver_data.sdrdata_cache, cursor); -+ } -+} -+ -+/* worker function for workqueue ipmisensors_workqueue */ -+static void ipmisensors_update_bmc(struct work_struct *work) -+{ -+ struct ipmisensors_bmc_data *bmc = container_of(work, struct ipmisensors_bmc_data, update_work.work); -+ -+ /* don't start an update cycle if one already in progress */ -+ if (bmc->state != STATE_READING) { -+ struct sdrdata *cursor, *next; -+ bmc->state = STATE_READING; -+ printk(KERN_DEBUG "ipmisensors: starting update\n"); -+ -+ /* init semaphore to 1 for update cycle */ -+ sema_init(&bmc->update_semaphore, 1); -+ -+ /* update each sdr reading */ -+ list_for_each_entry_safe(cursor, next, &bmc->sdrs, list) { -+ ipmisensors_get_reading(bmc, cursor); -+ } -+ } -+ -+ /* wait for readings (need timeout?) */ -+ down_interruptible(&bmc->update_semaphore); -+ -+ printk(KERN_DEBUG "ipmisensors: update complete\n"); -+ -+ bmc->state = STATE_DONE; -+ -+ /* if the module isn't cleaning up, schedule another update */ -+ if (!cleanup) -+ queue_delayed_work(ipmisensors_workqueue, &bmc->update_work, -+ bmc->update_period * HZ); -+} -+ -+/****** IPMI Message Sending ******/ -+ -+/** -+ * Send a message to the IPMI BMC -+ * -+ * @bmc: the bmc to send the message to. -+ * @msgid: the message id to use. -+ * @msg: the ipmi message structure. -+ */ -+static void ipmisensors_send_message(struct ipmisensors_bmc_data *bmc, -+ long msgid, struct kernel_ipmi_msg *msg) -+{ -+ if (msg->data == NULL) -+ printk(KERN_DEBUG "ipmisensors: Send 0x%x\n", msg->cmd); -+ else -+ printk(KERN_DEBUG "ipmisensors: Send 0x%x 0x%x 0x%x\n", -+ msg->cmd, msg->data[0], msg->data[1]); -+ -+ /* This should be ipmi_request, but Corey had to remove -+ * that due to it being unused at the moment, as soon as -+ * this makes it into the kernel we should request it be re-instated. -+ */ -+ ipmi_request_settime(bmc->user, &bmc->address, msgid, msg, bmc, 0, -+ -1, 0); -+} -+ -+/** -+ * Compose and send a "reserve SDR" message -+ * -+ * @bmc: the bmc to send the message to. -+ */ -+static void ipmisensors_reserve_sdr(struct ipmisensors_bmc_data *bmc) -+{ -+ bmc->tx_message.netfn = IPMI_NETFN_STORAGE_REQUEST; -+ bmc->tx_message.cmd = IPMI_RESERVE_SDR; -+ bmc->tx_message.data_len = 0; -+ bmc->tx_message.data = NULL; -+ -+ ipmisensors_send_message(bmc, bmc->msgid++, &bmc->tx_message); -+} -+ -+/** -+ * Componse and send a "get SDR" message -+ * -+ * @bmc: the bmc to send the message to. -+ * @res_id: -+ * @record: -+ * @offset: -+ */ -+static void ipmisensors_get_sdr(struct ipmisensors_bmc_data *bmc, u16 res_id, -+ u16 record, u8 offset) -+{ -+ printk(KERN_DEBUG "ipmisensors: Get SDR 0x%x 0x%x 0x%x\n", -+ res_id, record, offset); -+ bmc->tx_message.netfn = IPMI_NETFN_STORAGE_REQUEST; -+ bmc->tx_message.cmd = IPMI_GET_SDR; -+ bmc->tx_message.data_len = 6; -+ bmc->tx_message.data = bmc->tx_msg_data; -+ bmc->tx_msg_data[0] = res_id & 0xff; -+ bmc->tx_msg_data[1] = res_id >> 8; -+ bmc->tx_msg_data[2] = record & 0xff; -+ bmc->tx_msg_data[3] = record >> 8; -+ bmc->tx_msg_data[4] = offset; -+ bmc->tx_msg_data[5] = bmc->ipmi_sdr_partial_size; -+ -+ ipmisensors_send_message(bmc, bmc->msgid++, &bmc->tx_message); -+} -+ -+/** -+ * Compose and send a "set sensor threshold" message -+ * -+ * @bmc: the bmc to send the message to. -+ * @id: the ipmi id number of the sensor. -+ * @value: the new value for the threshold. -+ * @lim_index: the index in the lim[] array for which this value applies. -+ */ -+static void ipmisensors_set_sensor_threshold(struct ipmisensors_bmc_data *bmc, -+ u8 number, int value, -+ int lim_index) -+{ -+ int i; -+ -+ printk(KERN_DEBUG "ipmisensors: Set SDR Threshold %d %d %d\n", -+ number, value, lim_index); -+ bmc->tx_message.netfn = IPMI_NETFN_STORAGE_REQUEST; -+ bmc->tx_message.cmd = IPMI_SET_SENSOR_THRESHOLD; -+ bmc->tx_message.data_len = 8; -+ bmc->tx_message.data = bmc->tx_msg_data; -+ bmc->tx_msg_data[0] = number & 0xff; -+ bmc->tx_msg_data[1] = 0x01 << lim_index; -+ -+ if (lim_index > 5 || lim_index < 0) { -+ printk(KERN_INFO -+ "ipmisensors: Error - ipmisensors_set_sensor_threshold given invalid lim_index\n"); -+ return; -+ } -+ -+ for (i = 2; i < 8; i++) -+ bmc->tx_msg_data[i] = 0x00; -+ -+ bmc->tx_msg_data[lim_index] = value && 0xff; -+ -+ ipmisensors_send_message(bmc, bmc->msgid++, &bmc->tx_message); -+} -+ -+/** -+ * Compose and send a "get sensor reading" message for the given sdr. -+ * -+ * @bmc: the bmc to send the message to. -+ * @sdr: the sdr of the sensor to get the reading for. -+ */ -+static void ipmisensors_get_reading(struct ipmisensors_bmc_data *bmc, -+ struct sdrdata *sdr) -+{ -+ bmc->tx_message.netfn = IPMI_NETFN_SENSOR_EVENT_REQUEST; -+ bmc->tx_message.cmd = IPMI_GET_SENSOR_STATE_READING; -+ bmc->tx_message.data_len = 1; -+ bmc->tx_message.data = bmc->tx_msg_data; -+ bmc->tx_msg_data[0] = sdr->number; -+ bmc->current_sdr = sdr; -+ -+ ipmisensors_send_message(bmc, bmc->msgid++, &bmc->tx_message); -+ down_interruptible(&bmc->update_semaphore); -+} -+ -+/****** IPMI Message Receiving ******/ -+ -+/** -+ * Process an sensor reading response message. -+ * -+ * @bmc: the bmc the message is from -+ * @msg: the IPMI SDR response message -+ */ -+static void ipmisensors_rcv_reading_msg(struct ipmisensors_bmc_data *bmc, -+ struct kernel_ipmi_msg *msg) -+{ -+ struct sdrdata *sdr = bmc->current_sdr; -+ -+ if (sdr == NULL) { -+ printk(KERN_ERR -+ "ipmisensors: Error ipmisensors_rcv_reading with NULL sdr\n"); -+ return; -+ } -+ -+ sdr->reading = msg->data[1]; -+ sdr->status = msg->data[2]; -+ sdr->thresholds = msg->data[3]; -+ -+ printk(KERN_DEBUG "ipmisensors: sensor %d (type %d) reading %d\n", -+ sdr->number, sdr->stype, msg->data[1]); -+ -+ up(&bmc->update_semaphore); -+} -+ -+/** -+ * Unpack based on string type, convert to normal, null terminate. -+ */ -+static void ipmisensors_sprintf(u8 * to, u8 * from, u8 type, u8 length) -+{ -+ static const u8 *bcdplus = "0123456789 -.:,_"; -+ int i; -+ -+ switch (type) { -+ case 0: /* unicode */ -+ for (i = 0; i < length; i++) -+ *to++ = (*from++ & 0x7f); -+ *to = 0; -+ break; -+ case 1: /* BCD Plus */ -+ for (i = 0; i < length; i++) -+ *to++ = bcdplus[*from++ & 0x0f]; -+ *to = 0; -+ break; -+ case 2: /* packed ascii *//* if not a mult. of 3 this will run over */ -+ for (i = 0; i < length; i += 3) { -+ *to++ = *from & 0x3f; -+ *to++ = *from >> 6 | ((*(from+1) & 0xf) << 2); -+ from++; -+ *to++ = *from >> 4 | ((*(from+1) & 0x3) << 4); -+ from++; -+ *to++ = (*from++ >> 2) & 0x3f; -+ } -+ *to = 0; -+ break; -+ case 3: /* normal */ -+ if (length > 1) -+ memcpy(to, from, length); -+ to[length] = 0; -+ break; -+ } -+} -+ -+/* IPMI V1.5 Section 30 */ -+static const int exps[] = -+ { 1, 10, 100, 1000, 10000, 100000, 1000000, 10000000 }; -+ -+/* Return 0 for fan, 2 for temp, 3 for voltage -+ We could make it variable based on the accuracy (= log10(m * 10**k2)); -+ this would work for /proc output, however libsensors resolution -+ is statically set in lib/chips.c */ -+static int decplaces(struct sdrdata *sd) -+{ -+ switch (sd->stype) { -+ case STYPE_TEMP: -+ return 2; -+ case STYPE_CURR: -+ case STYPE_VOLT: -+ return 3; -+ case STYPE_FAN: -+ default: -+ return 0; -+ } -+} -+ -+/* convert a raw value to a reading. IMPI V1.5 Section 30 */ -+static long conv_val(int value, struct sdrdata *sd) -+{ -+ u8 k1, k2; -+ long r; -+ -+ r = value * sd->m; -+ k1 = sd->k & 0x0f; -+ k2 = sd->k >> 4; -+ if (k1 < 8) -+ r += sd->b * exps[k1]; -+ else -+ r += sd->b / exps[16 - k1]; -+ r *= exps[decplaces(sd)]; -+ if (k2 < 8) { -+ if (sd->linear != 7) -+ r *= exps[k2]; -+ else -+ /* this will always truncate to 0: r = 1 / (exps[k2] * r); */ -+ r = 0; -+ } else { -+ if (sd->linear != 7) -+ r /= exps[16 - k2]; -+ else { -+ if (r != 0) -+ /* 1 / x * 10 ** (-m) == 10 ** m / x */ -+ r = exps[16 - k2] / r; -+ else -+ r = 0; -+ } -+ } -+ -+ return r; -+} -+ -+static const char *threshold_text[] = { -+ "upper non-recoverable threshold", -+ "upper critical threshold", -+ "upper non-critical threshold", -+ "lower non-recoverable threshold", -+ "lower critical threshold", -+ "lower non-critical threshold", -+ "positive-going hysteresis", -+ "negative-going hysteresis" /* unused */ -+}; -+ -+/* select two out of the 8 possible readable thresholds, and place indexes into the limits -+ array into lim1 and lim2. Set writable flags */ -+static void ipmisensors_select_thresholds(struct sdrdata *sd) -+{ -+ u8 capab = sd->capab; -+ u16 mask = sd->thresh_mask; -+ int tmp; -+ -+ sd->lim1 = -1; -+ sd->lim2 = -1; -+ sd->lim1_write = 0; -+ sd->lim2_write = 0; -+ -+ if (((capab & 0x0c) == 0x04) || /* readable thresholds ? */ -+ ((capab & 0x0c) == 0x08)) { -+ /* select upper threshold */ -+ if (mask & 0x10) { /* upper crit */ -+ sd->lim1 = 1; -+ if ((capab & 0x0c) == 0x08 && (mask & 0x1000)) -+ sd->lim1_write = 1; -+ } else if (mask & 0x20) { /* upper non-recov */ -+ sd->lim1 = 0; -+ if ((capab & 0x0c) == 0x08 && (mask & 0x2000)) -+ sd->lim1_write = 1; -+ } else if (mask & 0x08) { /* upper non-crit */ -+ sd->lim1 = 2; -+ if ((capab & 0x0c) == 0x08 && (mask & 0x0800)) -+ sd->lim1_write = 1; -+ } -+ -+ /* select lower threshold */ -+ if ((((capab & 0x30) == 0x10) || /* readable ? */ -+ ((capab & 0x30) == 0x20)) && /* pos hyst */ -+ sd->stype == STYPE_TEMP) -+ sd->lim2 = 6; -+ else if (mask & 0x02) { /* lower crit */ -+ sd->lim2 = 4; -+ if ((capab & 0x0c) == 0x08 && (mask & 0x0200)) -+ sd->lim2_write = 1; -+ } else if (mask & 0x04) { /* lower non-recov */ -+ sd->lim2 = 3; -+ if ((capab & 0x0c) == 0x08 && (mask & 0x0400)) -+ sd->lim2_write = 1; -+ } else if (mask & 0x01) { /* lower non-crit */ -+ sd->lim2 = 5; -+ if ((capab & 0x0c) == 0x08 && (mask & 0x0100)) -+ sd->lim2_write = 1; -+ } -+ } -+ -+ /* swap lim1/lim2 if m < 0 or function is 1/x (but not both!) */ -+ if ((sd->m < 0 && sd->linear != 7) || (sd->m >= 0 && sd->linear == 7)) { -+ tmp = sd->lim1; -+ sd->lim1 = sd->lim2; -+ sd->lim2 = tmp; -+ } -+ -+ if (sd->lim1 >= 0) -+ printk(KERN_INFO "ipmisensors: using %s for upper limit\n", -+ threshold_text[sd->lim1]); -+ else -+ printk(KERN_DEBUG "ipmisensors: no readable upper limit\n"); -+ -+ if (sd->lim2 >= 0) -+ printk(KERN_INFO "ipmisensors: using %s for lower limit\n", -+ threshold_text[sd->lim2]); -+ else -+ printk(KERN_DEBUG "ipmisensors: no readable lower limit\n"); -+} -+ -+/************* sysfs callback functions *********/ -+static ssize_t show_update_period(struct device *dev, -+ struct device_attribute *attr, char *buf) -+{ -+ struct ipmisensors_bmc_device_attribute *aattr = -+ to_ipmisensors_bmc_dev_attr(attr); -+ -+ return snprintf(buf, 20, "%d\n", aattr->bmc->update_period); -+} -+ -+static ssize_t store_update_period(struct device *dev, -+ struct device_attribute *attr, -+ const char *buf, size_t count) -+{ -+ struct ipmisensors_bmc_device_attribute *aattr = -+ to_ipmisensors_bmc_dev_attr(attr); -+ -+ aattr->bmc->update_period = simple_strtoul(buf, NULL, 10);; -+ return count; -+}; -+ -+static ssize_t show_sensor(struct device *dev, struct device_attribute *attr, -+ char *buf) -+{ -+ struct ipmisensors_device_attribute *sattr = -+ to_ipmisensors_dev_attr(attr); -+ return snprintf(buf, 20, "%ld\n", -+ conv_val(sattr->sdr->reading, sattr->sdr)); -+} -+ -+static ssize_t show_sensor_max(struct device *dev, -+ struct device_attribute *attr, char *buf) -+{ -+ long max = 0; -+ struct ipmisensors_device_attribute *sattr = -+ to_ipmisensors_dev_attr(attr); -+ -+ if (sattr->sdr->lim1 >= 0) -+ max = conv_val(sattr->sdr->limits[sattr->sdr->lim1], -+ sattr->sdr); -+ return snprintf(buf, 20, "%ld\n", max); -+} -+ -+static ssize_t show_sensor_min(struct device *dev, -+ struct device_attribute *attr, char *buf) -+{ -+ long min = 0; -+ struct ipmisensors_device_attribute *sattr = -+ to_ipmisensors_dev_attr(attr); -+ -+ if (sattr->sdr->lim2 >= 0) -+ min = conv_val(sattr->sdr->limits[sattr->sdr->lim2], -+ sattr->sdr); -+ return snprintf(buf, 20, "%ld\n", min); -+}; -+ -+static ssize_t show_sensor_label(struct device *dev, -+ struct device_attribute *attr, char *buf) -+{ -+ u8 label[SDR_MAX_UNPACKED_ID_LENGTH]; -+ struct ipmisensors_device_attribute *sattr = -+ to_ipmisensors_dev_attr(attr); -+ -+ ipmisensors_sprintf(label, sattr->sdr->id, sattr->sdr->string_type, -+ sattr->sdr->id_length); -+ return snprintf(buf, 20, "%s\n", label); -+}; -+ -+static ssize_t store_sensor_max(struct device *dev, -+ struct device_attribute *attr, const char *buf, -+ size_t count) -+{ -+ long val = simple_strtoul(buf, NULL, 10); -+ struct ipmisensors_device_attribute *sattr = -+ to_ipmisensors_dev_attr(attr); -+ printk(KERN_DEBUG "ipmisensors: set max on sensor #%d to %ld", -+ sattr->sdr->number, val); -+ ipmisensors_set_sensor_threshold(sattr->sdr->bmc, sattr->sdr->number, -+ val, sattr->sdr->lim1); -+ return count; -+}; -+ -+static ssize_t store_sensor_min(struct device *dev, -+ struct device_attribute *attr, const char *buf, -+ size_t count) -+{ -+ long val = simple_strtoul(buf, NULL, 10); -+ struct ipmisensors_device_attribute *sattr = -+ to_ipmisensors_dev_attr(attr); -+ printk(KERN_DEBUG "ipmisensors: set min on sensor #%d to %ld", -+ sattr->sdr->number, val); -+ ipmisensors_set_sensor_threshold(sattr->sdr->bmc, sattr->sdr->number, -+ val, sattr->sdr->lim2); -+ return count; -+}; -+ -+static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, -+ char *buf) -+{ -+ struct ipmisensors_bmc_device_attribute *aattr = -+ to_ipmisensors_bmc_dev_attr(attr); -+ return snprintf(buf, 20, "%d\n", aattr->bmc->alarms); -+}; -+ -+static ssize_t show_name(struct device *dev, struct device_attribute *attr, -+ char *buf) -+{ -+ return snprintf(buf, 20, "%s\n", driver_data.driver_name); -+}; -+ -+/* work function to build the sysfs entries using the ipmi sdrs */ -+static void ipmisensors_build_sysfs(struct work_struct *work) -+{ -+ int temps = 0, volts = 0, currs = 0, fans = 0; -+ struct sdrdata *cursor, *next; -+ struct ipmisensors_bmc_data *bmc = container_of(work, struct ipmisensors_bmc_data, sysfs_work); -+ -+ /* find and create entries for each sdr data struct */ -+ list_for_each_entry_safe(cursor, next, &bmc->sdrs, list) { -+ u8 id[SDR_MAX_UNPACKED_ID_LENGTH]; -+ -+ cursor->attr_name = -+ (char *)kmalloc(sizeof(char) * MAX_FILENAME_LENGTH, -+ GFP_KERNEL); -+ cursor->attr_max_name = -+ (char *)kmalloc(sizeof(char) * MAX_FILENAME_LENGTH, -+ GFP_KERNEL); -+ cursor->attr_min_name = -+ (char *)kmalloc(sizeof(char) * MAX_FILENAME_LENGTH, -+ GFP_KERNEL); -+ -+ if (cursor->id_length > 0) { -+ cursor->attr_label_name = -+ (char *)kmalloc(sizeof(char) * MAX_FILENAME_LENGTH, -+ GFP_KERNEL); -+ -+ if (cursor->attr_label_name == NULL) { -+ printk(KERN_INFO -+ "ipmisensors: Out of memory (kmalloc failed)"); -+ kfree(cursor->attr_name); -+ kfree(cursor->attr_max_name); -+ kfree(cursor->attr_min_name); -+ return; -+ } -+ } -+ -+ if (cursor->attr_name == NULL || cursor->attr_max_name == NULL -+ || cursor->attr_min_name == NULL -+ || cursor->attr_label_name == NULL) { -+ printk(KERN_INFO -+ "ipmisensors: Out of memory (kmalloc failed)"); -+ kfree(cursor->attr_name); -+ kfree(cursor->attr_max_name); -+ kfree(cursor->attr_min_name); -+ kfree(cursor->attr_label_name); -+ return; -+ } -+ -+ switch (cursor->stype) { -+ case (STYPE_TEMP): -+ /* create the name of the sensor */ -+ snprintf(cursor->attr_name, MAX_FILENAME_LENGTH, -+ "temp%d_input", ++temps); -+ /* create min, max attributes */ -+ snprintf(cursor->attr_max_name, MAX_FILENAME_LENGTH, -+ "temp%d_max", temps); -+ snprintf(cursor->attr_min_name, MAX_FILENAME_LENGTH, -+ "temp%d_min", temps); -+ /* create the label of the sensor */ -+ snprintf(cursor->attr_label_name, MAX_FILENAME_LENGTH, -+ "temp%d_label", temps); -+ break; -+ case (STYPE_VOLT): -+ /* create the name of the sensor */ -+ snprintf(cursor->attr_name, MAX_FILENAME_LENGTH, -+ "in%d_input", ++volts); -+ /* create min, max attributes */ -+ snprintf(cursor->attr_max_name, MAX_FILENAME_LENGTH, -+ "in%d_max", volts); -+ snprintf(cursor->attr_min_name, MAX_FILENAME_LENGTH, -+ "in%d_min", volts); -+ /* create the label of the sensor */ -+ snprintf(cursor->attr_label_name, MAX_FILENAME_LENGTH, -+ "in%d_label", volts); -+ break; -+ case (STYPE_CURR): -+ /* create the name of the sensor */ -+ snprintf(cursor->attr_name, MAX_FILENAME_LENGTH, -+ "curr%d_input", ++currs); -+ /* create min, max attributes */ -+ sprintf(cursor->attr_max_name, "curr%d_max", currs); -+ sprintf(cursor->attr_min_name, "curr%d_min", currs); -+ /* create the label of the sensor */ -+ snprintf(cursor->attr_label_name, MAX_FILENAME_LENGTH, -+ "curr%d_label", currs); -+ break; -+ case (STYPE_FAN): -+ /* create the name of the sensor */ -+ snprintf(cursor->attr_name, MAX_FILENAME_LENGTH, -+ "fan%d_input", ++fans); -+ /* create min, max attributes */ -+ sprintf(cursor->attr_max_name, "fan%d_max", fans); -+ sprintf(cursor->attr_min_name, "fan%d_min", fans); -+ /* create the label of the sensor */ -+ snprintf(cursor->attr_label_name, MAX_FILENAME_LENGTH, -+ "fan%d_label", fans); -+ break; -+ default: -+ printk(KERN_INFO "ipmisensors: unkown sensor type\n"); -+ continue; -+ } -+ -+ cursor->attr.dev_attr.attr.name = cursor->attr_name; -+ cursor->attr.dev_attr.attr.mode = S_IRUGO; -+ cursor->attr.dev_attr.attr.owner = THIS_MODULE; -+ cursor->attr.dev_attr.show = show_sensor; -+ cursor->attr.dev_attr.store = NULL; -+ cursor->attr.sdr = cursor; -+ -+ cursor->attr_min.dev_attr.attr.name = cursor->attr_min_name; -+ cursor->attr_min.dev_attr.attr.owner = THIS_MODULE; -+ cursor->attr_min.dev_attr.show = show_sensor_min; -+ cursor->attr_min.sdr = cursor; -+ -+ if (cursor->lim2_write) { -+ printk(KERN_INFO -+ "ipmisensors: You have a writable sensor threshold! Send me an e-mail at <yani.ioannou@gmail.com>.\n"); -+ cursor->attr_min.dev_attr.store = store_sensor_min; -+ cursor->attr_min.dev_attr.attr.mode = S_IWUSR | S_IRUGO; -+ } else { -+ cursor->attr_min.dev_attr.store = NULL; -+ cursor->attr_min.dev_attr.attr.mode = S_IRUGO; -+ } -+ -+ cursor->attr_max.dev_attr.attr.name = cursor->attr_max_name; -+ cursor->attr_max.dev_attr.attr.owner = THIS_MODULE; -+ cursor->attr_max.dev_attr.show = show_sensor_max; -+ cursor->attr_max.sdr = cursor; -+ -+ if (cursor->lim1_write) { -+ printk(KERN_INFO -+ "ipmisensors: You have a writable sensor threshold! Send me an e-mail at <yani.ioannou@gmail.com>.\n"); -+ cursor->attr_max.dev_attr.store = store_sensor_max; -+ cursor->attr_max.dev_attr.attr.mode = S_IWUSR | S_IRUGO; -+ } else { -+ cursor->attr_max.dev_attr.store = NULL; -+ cursor->attr_max.dev_attr.attr.mode = S_IRUGO; -+ } -+ -+ if (cursor->id_length > 0) { -+ cursor->attr_label.dev_attr.attr.name = -+ cursor->attr_label_name; -+ cursor->attr_label.dev_attr.attr.mode = S_IRUGO; -+ cursor->attr_label.dev_attr.attr.owner = THIS_MODULE; -+ cursor->attr_label.dev_attr.show = show_sensor_label; -+ cursor->attr_label.dev_attr.store = NULL; -+ cursor->attr_label.sdr = cursor; -+ } -+ -+ printk(KERN_INFO -+ "ipmisensors: registering sensor %d: (type 0x%.2x) " -+ "(fmt=%d; m=%d; b=%d; k1=%d; k2=%d; cap=0x%.2x; mask=0x%.4x)\n", -+ cursor->number, cursor->stype, cursor->format, cursor->m, -+ cursor->b, cursor->k & 0xf, cursor->k >> 4, -+ cursor->capab, cursor->thresh_mask); -+ -+ if (cursor->id_length > 0) { -+ ipmisensors_sprintf(id, cursor->id, cursor->string_type, -+ cursor->id_length); -+ switch (cursor->stype) { -+ case (STYPE_TEMP): -+ printk(KERN_INFO -+ "ipmisensors: sensors.conf: label temp%d \"%s\"\n", -+ temps, id); -+ break; -+ case (STYPE_VOLT): -+ printk(KERN_INFO -+ "ipmisensors: sensors.conf: label in%d \"%s\"\n", -+ volts, id); -+ break; -+ case (STYPE_CURR): -+ printk(KERN_INFO -+ "ipmisensors: sensors.conf: label curr%d \"%s\"\n", -+ currs, id); -+ break; -+ case (STYPE_FAN): -+ printk(KERN_INFO -+ "ipmisensors: sensors.conf: label fan%d \"%s\"\n", -+ fans, id); -+ break; -+ } -+ } -+ -+ ipmisensors_select_thresholds(cursor); -+ -+ if (cursor->linear != 0 && cursor->linear != 7) { -+ printk(KERN_INFO -+ "ipmisensors: sensor %d: nonlinear function 0x%.2x unsupported, expect bad results\n", -+ cursor->number, cursor->linear); -+ } -+ -+ if ((cursor->format & 0x03) == 0x02) { -+ printk(KERN_INFO -+ "ipmisensors: sensor %d: 1's complement format unsupported, expect bad results\n", -+ cursor->number); -+ } else if ((cursor->format & 0x03) == 0x03) { -+ printk(KERN_INFO -+ "ipmisensors: sensor %d: threshold sensor only, no readings available", -+ cursor->number); -+ } -+ -+ if (cursor->lim1_write || cursor->lim2_write) -+ cursor->attr.dev_attr.attr.mode = 0644; -+ else -+ cursor->attr.dev_attr.attr.mode = 0444; -+ -+ if (device_create_file(bmc->dev, &cursor->attr.dev_attr) < 0 -+ || device_create_file(bmc->dev, -+ &cursor->attr_min.dev_attr) < 0 -+ || device_create_file(bmc->dev, -+ &cursor->attr_max.dev_attr) < 0 -+ || (cursor->id_length > -+ 0 ? device_create_file(bmc->dev, -+ &cursor->attr_label.dev_attr) < -+ 0 : 0) -+ ) { -+ printk(KERN_INFO -+ "ipmisensors: sysfs file creation failed for SDR %d (%s).\n", -+ cursor->number, cursor->id); -+ kfree(cursor->attr_name); -+ kfree(cursor->attr_max_name); -+ kfree(cursor->attr_min_name); -+ kfree(cursor->attr_label_name); -+ return; -+ } -+ } -+ -+ bmc->alarms_attr.dev_attr.attr.name = "alarms"; -+ bmc->alarms_attr.dev_attr.attr.mode = S_IRUGO; -+ bmc->alarms_attr.dev_attr.attr.owner = THIS_MODULE; -+ bmc->alarms_attr.dev_attr.show = show_alarms; -+ bmc->alarms_attr.dev_attr.store = NULL; -+ bmc->alarms_attr.bmc = bmc; -+ -+ if (device_create_file(bmc->dev, &bmc->alarms_attr.dev_attr) < 0) { -+ printk(KERN_INFO -+ "ipmisensors: Failed to create sysfs entry 'alarms'"); -+ return; -+ } -+ -+ bmc->name_attr.attr.name = "name"; -+ bmc->name_attr.attr.mode = S_IRUGO; -+ bmc->name_attr.attr.owner = THIS_MODULE; -+ bmc->name_attr.show = show_name; -+ -+ if (device_create_file(bmc->dev, &bmc->name_attr) < 0) { -+ printk(KERN_INFO -+ "ipmisensors: Failed to create sysfs entry 'name'"); -+ return; -+ } -+ -+ bmc->update_attr.dev_attr.attr.name = "update_period"; -+ bmc->update_attr.dev_attr.attr.mode = S_IWUSR | S_IRUGO; -+ bmc->update_attr.dev_attr.attr.owner = THIS_MODULE; -+ bmc->update_attr.dev_attr.show = show_update_period; -+ bmc->update_attr.dev_attr.store = store_update_period; -+ bmc->update_attr.bmc = bmc; -+ -+ if (device_create_file(bmc->dev, &bmc->update_attr.dev_attr) < 0) { -+ printk(KERN_INFO -+ "ipmisensors: Failed to create sysfs entry 'update_period'"); -+ return; -+ } -+ -+ printk(KERN_INFO -+ "ipmisensors: registered %d temp, %d volt, %d current, %d fan sensors\n", -+ temps, volts, currs, fans); -+ -+ /* This completes the initialization. We can now kickoff the -+ * periodic update of the bmc sensor's values by scheduling -+ * the first work. -+ */ -+ queue_work(ipmisensors_workqueue, &bmc->update_work.work); -+ -+} -+ -+/** -+ * Process an SDR response message, save the SDRs we like in the sdr -+ * list for the given BMC. -+ * -+ * @bmc: the bmc the message is from -+ * @msg: the IPMI SDR response message -+ */ -+static void ipmisensors_rcv_sdr_msg(struct ipmisensors_bmc_data *bmc, -+ struct kernel_ipmi_msg *msg) -+{ -+ u16 record; -+ int type; -+ int stype; -+ int id_length; -+ int i; -+ int ipmi_ver = 0; -+ unsigned char *data; -+ u8 id[SDR_MAX_UNPACKED_ID_LENGTH]; -+ struct sdrdata *sdr; -+ -+ if (msg->data[0] != 0) { -+ /* cut request in half and try again */ -+ bmc->ipmi_sdr_partial_size /= 2; -+ if (bmc->ipmi_sdr_partial_size < 8) { -+ printk(KERN_INFO -+ "ipmisensors: IPMI buffers too small, giving up\n"); -+ bmc->state = STATE_DONE; -+ return; -+ } -+ printk(KERN_DEBUG -+ "ipmisensors: Reducing SDR request size to %d\n", -+ bmc->ipmi_sdr_partial_size); -+ -+ ipmisensors_get_sdr(bmc, 0, 0, 0); -+ bmc->state = STATE_SDR; -+ return; -+ } -+ if (bmc->ipmi_sdr_partial_size < IPMI_SDR_SIZE) { -+ if (bmc->rx_msg_data_offset == 0) { -+ memcpy(bmc->rx_msg_data, msg->data, -+ bmc->ipmi_sdr_partial_size + 3); -+ bmc->rx_msg_data_offset = -+ bmc->ipmi_sdr_partial_size + 3; -+ } else { -+ memcpy(bmc->rx_msg_data + bmc->rx_msg_data_offset, -+ msg->data + 3, bmc->ipmi_sdr_partial_size); -+ bmc->rx_msg_data_offset += bmc->ipmi_sdr_partial_size; -+ } -+ if (bmc->rx_msg_data_offset > bmc->rx_msg_data[7] + 7) { -+ /* got last chunk */ -+ bmc->rx_msg_data_offset = 0; -+ data = bmc->rx_msg_data; -+ } else { -+ /* get more */ -+ record = -+ (bmc->rx_msg_data[4] << 8) | bmc->rx_msg_data[3]; -+ ipmisensors_get_sdr(bmc, bmc->resid, record, -+ bmc->rx_msg_data_offset - 3); -+ bmc->state = STATE_SDR; -+ return; -+ } -+ } else { -+ /* got it in one chunk */ -+ data = msg->data; -+ } -+ -+ bmc->nextrecord = (data[2] << 8) | data[1]; -+ -+ /* If the ipmi version is 0.9 we have to remap some things. -+ * Yes this is very ugly, but we aren't the ones who -+ * implemented an incomplete spec! -+ */ -+ ipmi_ver = data[5]; -+ -+ type = data[6]; -+ /* known SDR type */ -+ if (type == 1 || type == 2) { -+ stype = data[(ipmi_ver == 0x90 ? 16 : 15)]; -+ /* known sensor type */ -+ if (stype <= STYPE_MAX) { -+ if (data[(ipmi_ver == 0x90 ? 17 : 16)] != 0x01) { -+ if (type == 1) -+ ipmisensors_sprintf(id, &data[51], -+ data[50] >> 6, -+ data[50] & 0x1f); -+ else -+ ipmisensors_sprintf(id, -+ &data[(ipmi_ver == -+ 0x90 ? 30 : -+ 35)], -+ data[(ipmi_ver == -+ 0x90 ? 29 : -+ 34)] >> 6, -+ data[(ipmi_ver == -+ 0x90 ? 29 : -+ 34)] & 0x1f); -+ printk(KERN_INFO -+ "ipmisensors: skipping non-threshold sensor \"%s\"\n", -+ id); -+ } else { -+ /* add entry to sdrd table */ -+ sdr = ipmisensors_new_sdr(); -+ if (!sdr) { -+ printk(KERN_ERR -+ "ipmisensors: could not allocate memory for new SDR"); -+ return; -+ } -+ sdr->bmc = bmc; -+ sdr->stype = stype; -+ sdr->number = data[10]; -+ sdr->capab = data[(ipmi_ver == 0x90 ? 15 : 14)]; -+ sdr->thresh_mask = -+ (((u16) data[(ipmi_ver == 0x90 ? 21 : 22)]) -+ << 8) | data[21]; -+ if (type == 1) { -+ sdr->format = -+ data[(ipmi_ver == -+ 0x90 ? 22 : 24)] >> 6; -+ sdr->linear = -+ data[(ipmi_ver == -+ 0x90 ? 25 : 26)] & 0x7f; -+ sdr->m = -+ data[(ipmi_ver == 0x90 ? 26 : 27)]; -+ sdr->m |= ((u16) -+ (data -+ [(ipmi_ver == -+ 0x90 ? 27 : 28)] -+ & 0xc0)) << 2; -+ if (sdr->m & 0x0200) { -+ /* sign extend */ -+ sdr->m |= 0xfc00; -+ } -+ sdr->b = -+ data[(ipmi_ver == 0x90 ? 28 : 29)]; -+ sdr->b |= ((u16) -+ (data -+ [(ipmi_ver == -+ 0x90 ? 29 : 30)] -+ & 0xc0)) << 2; -+ if (sdr->b & 0x0200) { -+ /* sign extend */ -+ sdr->b |= 0xfc00; -+ } -+ sdr->k = -+ data[(ipmi_ver == 0x90 ? 31 : 32)]; -+ sdr->nominal = -+ data[(ipmi_ver == 0x90 ? 33 : 34)]; -+ for (i = 0; i < SDR_LIMITS; i++) { -+ /* assume readable */ -+ sdr->limits[i] = -+ data[(ipmi_ver == -+ 0x90 ? 40 : 39) + i]; -+ } -+ sdr->string_type = data[50] >> 6; -+ id_length = data[50] & 0x1f; -+ memcpy(sdr->id, &data[51], id_length); -+ sdr->id_length = id_length; -+ } else { -+ sdr->m = 1; -+ sdr->b = 0; -+ sdr->k = 0; -+ sdr->string_type = -+ data[(ipmi_ver == -+ 0x90 ? 29 : 34)] >> 6; -+ id_length = data[34] & 0x1f; -+ if (id_length > 0) { -+ memcpy(sdr->id, -+ &data[(ipmi_ver == -+ 0x90 ? 30 : 35)], -+ id_length); -+ } -+ sdr->id_length = id_length; -+ /* limits?? */ -+ if (ipmi_ver == 0x90) { -+ memcpy(sdr->id, -+ &data[30], id_length); -+ sdr->id_length = id_length; -+ } -+ } -+ ipmisensors_add_sdr(bmc, sdr); -+ } -+ } -+ /* peek at the other SDR types */ -+ } else if (type == 0x10 || type == 0x11 || type == 0x12) { -+ ipmisensors_sprintf(id, data + 19, data[18] >> 6, -+ data[18] & 0x1f); -+ if (type == 0x10) { -+ printk(KERN_INFO -+ "ipmisensors: Generic Device acc=0x%x; slv=0x%x; lun=0x%x; type=0x%x; \"%s\"\n", -+ data[8], data[9], data[10], data[13], id); -+ } else if (type == 0x11) { -+ printk(KERN_INFO -+ "ipmisensors: FRU Device acc=0x%x; slv=0x%x; log=0x%x; ch=0x%x; type=0x%x; \"%s\"\n", -+ data[8], data[9], data[10], data[11], data[13], -+ id); -+ } else { -+ printk(KERN_INFO -+ "ipmisensors: Mgmt Ctllr Device slv=0x%x; \"%s\"\n", -+ data[8], id); -+ } -+ } else if (type == 0x14) { -+ printk(KERN_INFO -+ "ipmisensors: Message Channel Info Records:\n"); -+ for (i = 0; i < 8; i++) { -+ printk(KERN_INFO "ipmisensors: Channel %d info 0x%x\n", -+ i, data[9 + i]); -+ } -+ } else { -+ printk(KERN_INFO "ipmisensors: Skipping SDR type 0x%x\n", type); -+ } -+ if (ipmi_ver != 0x90) { -+ if (bmc->nextrecord >= 6224) { -+ /*YJ stop sensor scan on poweredge 1750 */ -+ bmc->nextrecord = 0xffff; -+ } -+ } -+ -+ if (bmc->nextrecord == 0xFFFF) { -+ if (bmc->sdr_count == 0) { -+ printk(KERN_INFO -+ "ipmisensors: No recognized sensors found.\n"); -+ bmc->state = STATE_DONE; -+ } else { -+ printk(KERN_INFO "ipmisensors: all sensors detected\n"); -+ bmc->state = STATE_SYSTABLE; -+ -+ /* Schedule sysfs build/registration work */ -+ INIT_WORK(&bmc->sysfs_work, ipmisensors_build_sysfs); -+ queue_work(ipmisensors_workqueue, &bmc->sysfs_work); -+ } -+ } else { -+ ipmisensors_get_sdr(bmc, 0, bmc->nextrecord, 0); -+ bmc->state = STATE_SDR; -+ } -+} -+ -+/** -+ * Process incoming messages based on internal state -+ * -+ * @bmc: the bmc the message is from. -+ * @msg: the ipmi message to process. -+ */ -+static void ipmisensors_rcv_msg(struct ipmisensors_bmc_data *bmc, -+ struct kernel_ipmi_msg *msg) -+{ -+ switch (bmc->state) { -+ case STATE_INIT: -+ case STATE_RESERVE: -+ bmc->resid = (((u16) msg->data[2]) << 8) | msg->data[1]; -+ -+ printk(KERN_DEBUG "ipmisensors: Got first resid 0x%.4x\n", -+ bmc->resid); -+ -+ ipmisensors_get_sdr(bmc, 0, 0, 0); -+ bmc->state = STATE_SDR; -+ break; -+ -+ case STATE_SDR: -+ case STATE_SDRPARTIAL: -+ ipmisensors_rcv_sdr_msg(bmc, msg); -+ break; -+ -+ case STATE_READING: -+ ipmisensors_rcv_reading_msg(bmc, msg); -+ break; -+ -+ case STATE_UNCANCEL: -+ bmc->resid = (((u16) msg->data[2]) << 8) | msg->data[1]; -+ -+ printk(KERN_DEBUG "ipmisensors: Got new resid 0x%.4x\n", -+ bmc->resid); -+ -+ bmc->rx_msg_data_offset = 0; -+ ipmisensors_get_sdr(bmc, 0, bmc->nextrecord, 0); -+ bmc->state = STATE_SDR; -+ break; -+ -+ case STATE_DONE: -+ case STATE_SYSTABLE: -+ break; -+ default: -+ bmc->state = STATE_INIT; -+ } -+} -+ -+/** -+ * Callback to handle a received IPMI message from a given BMC. -+ * -+ * @msg: the received message. -+ * @handler_data: a pointer to the particular bmc ipmisensors_bmc_data struct. -+ */ -+static void ipmisensors_msg_handler(struct ipmi_recv_msg *msg, -+ void *user_msg_data) -+{ -+ struct ipmisensors_bmc_data *bmc = -+ (struct ipmisensors_bmc_data *)user_msg_data; -+ -+ if (msg->msg.data[0] != 0) -+ printk(KERN_WARNING -+ "ipmisensors: Error 0x%x on cmd 0x%x/0x%x\n", -+ msg->msg.data[0], msg->msg.netfn, msg->msg.cmd); -+ -+ if (bmc != NULL && ipmisensors_intf_registered(bmc->interface_id)) { -+ if (bmc->state == STATE_SDR && -+ msg->msg.data[0] == IPMI_INVALID_RESERVATION_ID) { -+ /* reservation cancelled, get new resid */ -+ if (++bmc->errorcount > 275) { -+ printk(KERN_ERR -+ "ipmisensors: Too many reservations cancelled, giving up\n"); -+ bmc->state = STATE_DONE; -+ } else { -+ printk(KERN_DEBUG -+ "ipmisensors: resid 0x%04x cancelled, getting new one\n", -+ bmc->resid); -+ -+ ipmisensors_reserve_sdr(bmc); -+ bmc->state = STATE_UNCANCEL; -+ } -+ } else if (msg->msg.data[0] != IPMI_CC_NO_ERROR && -+ msg->msg.data[0] != IPMI_ERR_RETURNING_REQ_BYTES && -+ msg->msg.data[0] != IPMI_ERR_PROVIDING_RESPONSE) { -+ printk(KERN_ERR -+ "ipmisensors: Error 0x%x on cmd 0x%x/0x%x; state = %d; probably fatal.\n", -+ msg->msg.data[0], msg->msg.netfn & 0xfe, -+ msg->msg.cmd, bmc->state); -+ } else { -+ printk(KERN_DEBUG "ipmisensors: received message\n"); -+ ipmisensors_rcv_msg(bmc, &msg->msg); -+ } -+ -+ } else { -+ printk(KERN_WARNING -+ "ipmisensors: Response for non-registered BMC\n"); -+ if (bmc != NULL) -+ printk(KERN_DEBUG "ipmisensors: BMC ID: %d\n", -+ bmc->interface_id); -+ else -+ printk(KERN_DEBUG "ipmisensors: BMC NULL!\n"); -+ } -+ -+ ipmi_free_recv_msg(msg); -+} -+ -+/****** IPMI Interface Initialization ******/ -+ -+/** -+ * Return true if the given ipmi interface has been registered. -+ * -+ * @ipmi_intf: The IPMI interface number. -+ */ -+static int ipmisensors_intf_registered(int ipmi_intf) -+{ -+ int found = 0; -+ struct ipmisensors_bmc_data *cursor, *next; -+ -+ /* find and free the ipmisensors_bmc_data struct */ -+ list_for_each_entry_safe(cursor, next, &driver_data.bmc_data, list) { -+ if (cursor->interface_id == ipmi_intf) { -+ found++; -+ } -+ } -+ -+ return found; -+} -+ -+/** -+ * Return true if the given BMC has been registered. -+ * -+ * @bmc: The BMC device. -+ */ -+static int ipmisensors_bmc_registered(struct device *bmc) -+{ -+ int found = 0; -+ struct ipmisensors_bmc_data *cursor, *next; -+ -+ /* find and free the ipmisensors_bmc_data struct */ -+ list_for_each_entry_safe(cursor, next, &driver_data.bmc_data, list) { -+ if (cursor->dev == bmc) { -+ found++; -+ } -+ } -+ -+ return found; -+} -+ -+/** -+ * Register new IPMI BMC interface. Interface indpendent callback created -+ * for flexibility in adding new types of interface callbacks in future. -+ * -+ * @ipmi_intf: The IPMI interface number. -+ */ -+static void ipmisensors_register_bmc(int ipmi_intf, struct ipmi_addr *address) -+{ -+ int error; -+ -+ /* allocate a new ipmisensors_bmc_data struct */ -+ -+ struct ipmisensors_bmc_data *bmc = (struct ipmisensors_bmc_data *) -+ kmalloc(sizeof(struct ipmisensors_bmc_data), GFP_KERNEL); -+ -+ /* initialize members */ -+ INIT_LIST_HEAD(&bmc->sdrs); -+ bmc->interface_id = ipmi_intf; -+ -+ bmc->address = *address; -+ -+ bmc->sdr_count = 0; -+ bmc->msgid = 0; -+ bmc->ipmi_sdr_partial_size = IPMI_CHUNK_SIZE; -+ bmc->state = STATE_INIT; -+ bmc->errorcount = 0; -+ bmc->rx_msg_data_offset = 0; -+ bmc->dev = ipmi_get_bmcdevice(ipmi_intf); -+ -+ /* default to 3 second min update interval */ -+ bmc->update_period = 3; -+ -+ if (bmc->dev == NULL) { -+ printk(KERN_ERR -+ "ipmisensors: Error, couldn't get BMC device for interface %d\n", -+ bmc->interface_id); -+ kfree(bmc); -+ return; -+ } -+ -+ /* Create IPMI messaging interface user */ -+ error = ipmi_create_user(bmc->interface_id, &driver_data.ipmi_hndlrs, -+ bmc, &bmc->user); -+ if (error < 0) { -+ printk(KERN_ERR -+ "ipmisensors: Error, unable to register user with ipmi interface %d\n", -+ bmc->interface_id); -+ kfree(bmc); -+ return; -+ } -+ -+ /* Register the BMC as a HWMON class device */ -+ bmc->class_dev = hwmon_device_register(bmc->dev); -+ -+ if (IS_ERR(bmc->class_dev)) { -+ printk(KERN_ERR -+ "ipmisensors: Error, unable to register hwmon class device for interface %d\n", -+ bmc->interface_id); -+ kfree(bmc); -+ return; -+ } -+ -+ /* Register the BMC in the driver */ -+ if (ipmisensors_bmc_registered(bmc->dev)) { -+ printk(KERN_ERR -+ "ipmisensors: BMC on interface %d already registered\n", -+ bmc->interface_id); -+ hwmon_device_unregister(bmc->class_dev); -+ kfree(bmc); -+ return; -+ } -+ -+ ipmi_get_version(bmc->user, &bmc->ipmi_version_major, -+ &bmc->ipmi_version_minor); -+ -+ /* finally add the new bmc data to the bmc data list */ -+ list_add_tail(&bmc->list, &driver_data.bmc_data); -+ driver_data.interfaces++; -+ -+ printk(KERN_INFO -+ "ipmisensors: Registered IPMI %d.%d BMC over interface %d\n", -+ bmc->ipmi_version_major, -+ bmc->ipmi_version_minor, bmc->interface_id); -+ -+ /* Send a reserve SDR command to the bmc */ -+ ipmisensors_reserve_sdr(bmc); -+ -+ /* initialize the bmc's update work struct */ -+ INIT_DELAYED_WORK(&bmc->update_work, ipmisensors_update_bmc); -+} -+ -+/** -+ * Callback for when an IPMI BMC is gone. Interface indpendent callback created -+ * for flexibility in adding new types of interface callbacks in future. -+ * -+ * @ipmi_intf: The IPMI interface number. -+ */ -+static void ipmisensors_unregister_bmc(int ipmi_intf) -+{ -+ struct ipmisensors_bmc_data *cursor, *next; -+ -+ /* find and free the ipmisensors_bmc_data struct */ -+ list_for_each_entry_safe(cursor, next, &driver_data.bmc_data, list) { -+ if (cursor->interface_id == ipmi_intf) { -+ list_del(&cursor->list); -+ printk(KERN_DEBUG -+ "ipmisensors: cancelling queued work\n"); -+ /* cancel update work queued for this bmc */ -+ cancel_delayed_work(&cursor->update_work); -+ printk(KERN_DEBUG -+ "ipmisensors: waiting for update to finish\n"); -+ /* wait for readings to finish */ -+ while (cursor->state != STATE_DONE) ; -+ -+ device_remove_file(cursor->dev, -+ &cursor->alarms_attr.dev_attr); -+ device_remove_file(cursor->dev, -+ &cursor->update_attr.dev_attr); -+ hwmon_device_unregister(cursor->class_dev); -+ ipmisensors_sdr_cleanup(cursor); -+ ipmi_destroy_user(cursor->user); -+ -+ printk(KERN_INFO -+ "ipmisensors: Unegistered IPMI interface %d\n", -+ cursor->interface_id); -+ -+ kfree(cursor); -+ driver_data.interfaces--; -+ } -+ } -+ -+} -+ -+/** -+ * Unregister all registered bmcs. -+ */ -+static void ipmisensors_unregister_bmc_all(void) -+{ -+ struct ipmisensors_bmc_data *cursor, *next; -+ -+ /* find and free the ipmisensors_bmc_data struct */ -+ list_for_each_entry_safe(cursor, next, &driver_data.bmc_data, list) { -+ list_del(&cursor->list); -+ -+ /* cancel update work queued for this bmc */ -+ printk(KERN_DEBUG "ipmisensors: cancelling queued work\n"); -+ cancel_delayed_work(&cursor->update_work); -+ -+ printk(KERN_DEBUG -+ "ipmisensors: waiting for update to finish\n"); -+ /* wait for readings to finish */ -+ while (cursor->state != STATE_DONE) ; -+ -+ device_remove_file(cursor->dev, &cursor->alarms_attr.dev_attr); -+ device_remove_file(cursor->dev, &cursor->update_attr.dev_attr); -+ hwmon_device_unregister(cursor->class_dev); -+ ipmisensors_sdr_cleanup(cursor); -+ ipmi_destroy_user(cursor->user); -+ -+ printk(KERN_INFO -+ "ipmisensors: Unegistered IPMI interface %d\n", -+ cursor->interface_id); -+ -+ kfree(cursor); -+ } -+ -+ driver_data.interfaces = 0; -+} -+ -+/** -+ * Callback for when a new IPMI SMI type interface is found. -+ * -+ * @if_num: The IPMI interface number. -+ */ -+static void ipmisensors_new_smi(int if_num, struct device *dev) -+{ -+ struct ipmi_addr smi_address = { -+ IPMI_SYSTEM_INTERFACE_ADDR_TYPE, -+ IPMI_BMC_CHANNEL, -+ {0}, -+ }; -+ -+ /* calls the generic new interface function */ -+ ipmisensors_register_bmc(if_num, &smi_address); -+} -+ -+/** -+ * Callback for when an exisiting IPMI SMI type interface is gone. -+ * -+ * @if_num: The IPMI interface number. -+ */ -+static void ipmisensors_smi_gone(int if_num) -+{ -+ if (driver_data.interfaces > 0) { -+ ipmisensors_unregister_bmc(if_num); -+ } -+} -+ -+/** -+ * Initialize the module. -+ */ -+static int __init ipmisensors_init(void) -+{ -+ int error; -+ printk(KERN_INFO "ipmisensors - IPMI BMC sensors interface\n"); -+ -+ /* init cache managers */ -+ driver_data.sdrdata_cache = -+ kmem_cache_create("ipmisensors_sdrdata", sizeof(struct sdrdata), 0, -+ 0, NULL, NULL); -+ driver_data.sysfsattr_cache = -+ kmem_cache_create("ipmisensors_sysfsattr", -+ sizeof(struct ipmisensors_device_attribute), 0, 0, -+ NULL, NULL); -+ -+ if (!driver_data.sdrdata_cache || !driver_data.sysfsattr_cache) { -+ if (driver_data.sdrdata_cache) -+ kmem_cache_destroy(driver_data.sdrdata_cache); -+ if (driver_data.sysfsattr_cache) -+ kmem_cache_destroy(driver_data.sysfsattr_cache); -+ return -ENOMEM; -+ } -+ -+ /* register IPMI interface callback(s) */ -+ error = ipmi_smi_watcher_register(&driver_data.smi_watcher); -+ if (error) { -+ printk(KERN_WARNING -+ "ipmisensors: can't register smi watcher\n"); -+ return error; -+ } -+ -+ /* create work queue, keep it simple, single-threaded */ -+ ipmisensors_workqueue = -+ create_singlethread_workqueue("ipmisensors_workqueue"); -+ -+ return 0; -+} -+ -+/** -+ * Cleanup -+ */ -+static void ipmisensors_cleanup(void) -+{ -+ /* start cleanup */ -+ cleanup = 1; -+ -+ /* unregister bmcs */ -+ printk(KERN_DEBUG "ipmisensors: unregister bmcs\n"); -+ ipmi_smi_watcher_unregister(&driver_data.smi_watcher); -+ ipmisensors_unregister_bmc_all(); -+ -+ /* flush & destroy work queue */ -+ printk(KERN_DEBUG "ipmisensors: destroy workqueue\n"); -+ flush_workqueue(ipmisensors_workqueue); -+ destroy_workqueue(ipmisensors_workqueue); -+ -+ /* remove cache managers */ -+ if (driver_data.sdrdata_cache) -+ kmem_cache_destroy(driver_data.sdrdata_cache); -+ if (driver_data.sysfsattr_cache) -+ kmem_cache_destroy(driver_data.sysfsattr_cache); -+} -+ -+/** -+ * Cleanup and exit the module -+ */ -+static void __exit ipmisensors_exit(void) -+{ -+ ipmisensors_cleanup(); -+ printk(KERN_DEBUG "ipmisensors: cleanup finished\n"); -+} -+ -+MODULE_AUTHOR("Yani Ioannou <yani.ioannou@gmail.com>"); -+MODULE_DESCRIPTION("IPMI BMC sensors"); -+MODULE_LICENSE("GPL"); -+ -+module_init(ipmisensors_init); -+module_exit(ipmisensors_exit); -diff -rduNp linux-2.6.22.1.oorig2/drivers/hwmon/ipmisensors.h linux-2.6.22.1/drivers/hwmon/ipmisensors.h ---- linux-2.6.22.1.oorig2/drivers/hwmon/ipmisensors.h 1970-01-01 01:00:00.000000000 +0100 -+++ linux-2.6.22.1/drivers/hwmon/ipmisensors.h 2007-07-24 14:22:26.000000000 +0200 -@@ -0,0 +1,240 @@ -+/* -+ * ipmisensors.h - lm_sensors interface to IPMI sensors. -+ * -+ * Copyright (C) 2004-2006 Yani Ioannou <yani.ioannou@gmail.com> -+ * -+ * Adapted from bmcsensors (lm-sensors for linux 2.4) -+ * bmcsensors (C) Mark D. Studebaker <mdsxyz123@yahoo.com> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License as published by -+ * the Free Software Foundation; either version 2 of the License, or -+ * (at your option) any later version. -+ * -+ * This program is distributed in the hope that it will be useful, -+ * but WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+ * GNU General Public License for more details. -+ * -+ * You should have received a copy of the GNU General Public License -+ * along with this program; if not, write to the Free Software -+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -+ */ -+ -+#include <linux/ipmi.h> -+#include <linux/list.h> -+#include <linux/slab.h> -+#include <linux/workqueue.h> -+ -+/* SDR defs */ -+#define STYPE_TEMP 0x01 -+#define STYPE_VOLT 0x02 -+#define STYPE_CURR 0x03 -+#define STYPE_FAN 0x04 -+ -+#define SDR_LIMITS 8 -+#define SDR_MAX_ID_LENGTH 16 -+#define SDR_MAX_UNPACKED_ID_LENGTH ((SDR_MAX_ID_LENGTH * 4 / 3) + 2) -+ -+/* the last sensor type we are interested in */ -+#define STYPE_MAX 4 -+ -+#define IPMI_SDR_SIZE 67 -+#define IPMI_CHUNK_SIZE 16 -+ -+#define MAX_FILENAME_LENGTH 30 -+ -+struct ipmisensors_device_attribute { -+ struct device_attribute dev_attr; -+ struct sdrdata *sdr; -+}; -+#define to_ipmisensors_dev_attr(_dev_attr) \ -+ container_of(_dev_attr, struct ipmisensors_device_attribute, dev_attr) -+ -+#define IPMISENSORS_DEVICE_ATTR(_name,_mode,_show,_store,_index) \ -+struct ipmisensors_attribute sensor_dev_attr_##_name = { \ -+ .dev_attr = __ATTR(_name,_mode,_show,_store), \ -+ .index = _index, \ -+} -+ -+struct ipmisensors_bmc_device_attribute { -+ struct device_attribute dev_attr; -+ struct ipmisensors_bmc_data *bmc; -+}; -+#define to_ipmisensors_bmc_dev_attr(_dev_attr) \ -+ container_of(_dev_attr, struct ipmisensors_bmc_device_attribute, dev_attr) -+ -+/** -+ * &struct_sdrdata stores the IPMI Sensor Data Record (SDR) data, as recieved from the BMC, along with the corresponding sysfs attributes -+ */ -+struct sdrdata { -+ struct list_head list; -+ /* retrieved from SDR, not expected to change */ -+ /* Sensor Type Code */ -+ u8 stype; -+ u8 number; -+ /* Sensor Capability Code */ -+ u8 capab; -+ u16 thresh_mask; -+ u8 format; -+ u8 linear; -+ s16 m; -+ s16 b; -+ u8 k; -+ u8 nominal; -+ u8 limits[SDR_LIMITS]; -+ /* index into limits for reported upper and lower limit */ -+ int lim1, lim2; -+ u8 lim1_write, lim2_write; -+ u8 string_type; -+ u8 id_length; -+ u8 id[SDR_MAX_ID_LENGTH]; -+ /* retrieved from reading */ -+ u8 reading; -+ u8 status; -+ u8 thresholds; -+ /* sensor's bmc */ -+ struct ipmisensors_bmc_data *bmc; -+ /* sysfs entries */ -+ struct ipmisensors_device_attribute attr; -+ char *attr_name; -+ struct ipmisensors_device_attribute attr_min; -+ char *attr_min_name; -+ struct ipmisensors_device_attribute attr_max; -+ char *attr_max_name; -+ struct ipmisensors_device_attribute attr_label; -+ char *attr_label_name; -+ -+}; -+ -+/** -+ * &struct_ipmisensors_data stores the data for the ipmisensors driver. -+ */ -+struct ipmisensors_data { -+ /* Driver struct */ -+ char *driver_name; -+ -+ /* Linked list of ipmisensors_bmc_data structs, one for each BMC */ -+ struct list_head bmc_data; -+ -+ /* Number of ipmi interfaces (and hence ipmisensors_data structs). */ -+ int interfaces; -+ -+ /* IPMI kernel interface - SMI watcher */ -+ struct ipmi_smi_watcher smi_watcher; -+ -+ /* IPMI kernel interface - user handlers */ -+ struct ipmi_user_hndl ipmi_hndlrs; -+ -+ /* Cache manager for sdrdata cache */ -+ struct kmem_cache *sdrdata_cache; -+ -+ /* Cache manager for ipmi_sensor_device_attribute cache */ -+ struct kmem_cache *sysfsattr_cache; -+}; -+ -+/** -+ * &states: enumeration of state codes for a bmc specific ipmisensors -+ */ -+enum states { -+ STATE_INIT, -+ STATE_RESERVE, -+ STATE_SDR, -+ STATE_SDRPARTIAL, -+ STATE_READING, -+ STATE_UNCANCEL, -+ STATE_SYSTABLE, -+ STATE_DONE -+}; -+ -+/** -+ * &struct_ipmisensors_bmc_data stores the data for a particular IPMI BMC. -+ */ -+struct ipmisensors_bmc_data { -+ struct list_head list; -+ -+ /* The IPMI interface number */ -+ int interface_id; -+ -+ /* The IPMI address */ -+ struct ipmi_addr address; -+ -+ /* List of sdrdata structs (sdrs) recieved from the BMC */ -+ struct list_head sdrs; -+ -+ /* Count of the number of sdrs stored in the sdr list */ -+ int sdr_count; -+ -+ /* next message id */ -+ int msgid; -+ -+ /* The ipmi interface 'user' used to access this particular bmc */ -+ ipmi_user_t user; -+ -+ /* BMC IPMI Version (major) */ -+ unsigned char ipmi_version_major; -+ -+ /* BMC IPMI Version (minor) */ -+ unsigned char ipmi_version_minor; -+ -+ /* The size of the SDR request message */ -+ int ipmi_sdr_partial_size; -+ -+ /* transmit message buffer */ -+ struct kernel_ipmi_msg tx_message; -+ -+ /* ipmi transmited data buffer */ -+ unsigned char tx_msg_data[IPMI_MAX_MSG_LENGTH + 50]; /* why the +50 in bmcsensors? */ -+ -+ /* ipmi recieved data buffer */ -+ unsigned char rx_msg_data[IPMI_MAX_MSG_LENGTH + 50]; -+ -+ /* current recieve buffer offset */ -+ int rx_msg_data_offset; -+ -+ /* The id of then next SDR record to read during update cycle */ -+ u16 nextrecord; -+ -+ /* BMC SDR Reservation ID */ -+ u16 resid; -+ -+ /* Alarm status */ -+ u8 alarms; -+ -+ /* The cumalative error count for this bmc */ -+ int errorcount; -+ -+ /* The current state of this bmc w.r.t. ipmisensors (see enum states) */ -+ int state; -+ -+ /* The current sdr for which a reading is pending */ -+ struct sdrdata *current_sdr; -+ -+ /* The BMC's device struct */ -+ struct device *dev; -+ -+ /* hwmon class device */ -+ struct class_device *class_dev; -+ -+ /* hwmon device name */ -+ struct device_attribute name_attr; -+ -+ /* alarms attribute */ -+ struct ipmisensors_bmc_device_attribute alarms_attr; -+ -+ /* update_period attribute */ -+ struct ipmisensors_bmc_device_attribute update_attr; -+ -+ /* lower bound on time between updates (in seconds) */ -+ unsigned int update_period; -+ -+ /* semaphore used to do a headcount of the SDR readings we are waiting -+ * on in a given bmc update */ -+ struct semaphore update_semaphore; -+ -+ /* bmc's work struct for updating sensors */ -+ struct delayed_work update_work; -+ -+ /* bmc's work struct for building the sysfs workqueue */ -+ struct work_struct sysfs_work; -+}; -diff -rduNp linux-2.6.22.1.oorig2/include/linux/ipmi.h linux-2.6.22.1/include/linux/ipmi.h ---- linux-2.6.22.1.oorig2/include/linux/ipmi.h 2007-07-10 20:56:30.000000000 +0200 -+++ linux-2.6.22.1/include/linux/ipmi.h 2007-07-24 14:22:26.000000000 +0200 -@@ -300,6 +300,9 @@ int ipmi_create_user(unsigned int - safe, too. */ - int ipmi_destroy_user(ipmi_user_t user); - -+/* Get the IPMI BMC's device struct */ -+struct device *ipmi_get_bmcdevice(int ipmi_intf); -+ - /* Get the IPMI version of the BMC we are talking to. */ - void ipmi_get_version(ipmi_user_t user, - unsigned char *major, -diff -rduNp linux-2.6.22.1.oorig2/include/linux/ipmi_msgdefs.h linux-2.6.22.1/include/linux/ipmi_msgdefs.h ---- linux-2.6.22.1.oorig2/include/linux/ipmi_msgdefs.h 2007-07-10 20:56:30.000000000 +0200 -+++ linux-2.6.22.1/include/linux/ipmi_msgdefs.h 2007-07-24 14:22:26.000000000 +0200 -@@ -45,6 +45,7 @@ - - #define IPMI_NETFN_APP_REQUEST 0x06 - #define IPMI_NETFN_APP_RESPONSE 0x07 -+#define IPMI_GET_DEVICE_GUID_CMD 0x08 - #define IPMI_GET_DEVICE_ID_CMD 0x01 - #define IPMI_COLD_RESET_CMD 0x02 - #define IPMI_WARM_RESET_CMD 0x03 -@@ -57,6 +58,11 @@ - #define IPMI_GET_BMC_GLOBAL_ENABLES_CMD 0x2f - #define IPMI_READ_EVENT_MSG_BUFFER_CMD 0x35 - #define IPMI_GET_CHANNEL_INFO_CMD 0x42 -+#define IPMI_RESERVE_SDR 0x22 -+#define IPMI_GET_SDR 0x23 -+#define IPMI_GET_SENSOR_STATE_READING 0x2D -+#define IPMI_SET_SENSOR_HYSTERESIS 0x24 -+#define IPMI_SET_SENSOR_THRESHOLD 0x26 - - #define IPMI_NETFN_STORAGE_REQUEST 0x0a - #define IPMI_NETFN_STORAGE_RESPONSE 0x0b -@@ -79,10 +85,13 @@ - #define IPMI_NODE_BUSY_ERR 0xc0 - #define IPMI_INVALID_COMMAND_ERR 0xc1 - #define IPMI_TIMEOUT_ERR 0xc3 -+#define IPMI_INVALID_RESERVATION_ID 0xc5 - #define IPMI_ERR_MSG_TRUNCATED 0xc6 - #define IPMI_REQ_LEN_INVALID_ERR 0xc7 - #define IPMI_REQ_LEN_EXCEEDED_ERR 0xc8 - #define IPMI_NOT_IN_MY_STATE_ERR 0xd5 /* IPMI 2.0 */ -+#define IPMI_ERR_RETURNING_REQ_BYTES 0xca -+#define IPMI_ERR_PROVIDING_RESPONSE 0xce - #define IPMI_LOST_ARBITRATION_ERR 0x81 - #define IPMI_BUS_ERR 0x82 - #define IPMI_NAK_ON_WRITE_ERR 0x83 |