diff options
| -rw-r--r-- | toolchain/kernel-headers/linux-2.6.21.5-ipmisensors-20070314-1214.patch | 1914 | ||||
| -rw-r--r-- | toolchain/kernel-headers/linux-2.6.22.1-ipmisensors-20070314-1214.patch | 1914 | 
2 files changed, 0 insertions, 3828 deletions
diff --git a/toolchain/kernel-headers/linux-2.6.21.5-ipmisensors-20070314-1214.patch b/toolchain/kernel-headers/linux-2.6.21.5-ipmisensors-20070314-1214.patch deleted file mode 100644 index aca57c37b..000000000 --- a/toolchain/kernel-headers/linux-2.6.21.5-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/linux-2.6.22.1-ipmisensors-20070314-1214.patch b/toolchain/kernel-headers/linux-2.6.22.1-ipmisensors-20070314-1214.patch deleted file mode 100644 index 5fe74954f..000000000 --- a/toolchain/kernel-headers/linux-2.6.22.1-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  | 
