hpsa.c (a9a3a2739a44fc05dcaba0d4d36e52dc444c294f) hpsa.c (745a7a25bc0f6dc77db72656b7bc8d17b6ee8e53)
1/*
2 * Disk Array driver for HP Smart Array SAS controllers
3 * Copyright 2000, 2009 Hewlett-Packard Development Company, L.P.
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; version 2 of the License.
8 *

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156static ssize_t lunid_show(struct device *dev,
157 struct device_attribute *attr, char *buf);
158static ssize_t unique_id_show(struct device *dev,
159 struct device_attribute *attr, char *buf);
160static ssize_t host_show_firmware_revision(struct device *dev,
161 struct device_attribute *attr, char *buf);
162static ssize_t host_show_commands_outstanding(struct device *dev,
163 struct device_attribute *attr, char *buf);
1/*
2 * Disk Array driver for HP Smart Array SAS controllers
3 * Copyright 2000, 2009 Hewlett-Packard Development Company, L.P.
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; version 2 of the License.
8 *

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156static ssize_t lunid_show(struct device *dev,
157 struct device_attribute *attr, char *buf);
158static ssize_t unique_id_show(struct device *dev,
159 struct device_attribute *attr, char *buf);
160static ssize_t host_show_firmware_revision(struct device *dev,
161 struct device_attribute *attr, char *buf);
162static ssize_t host_show_commands_outstanding(struct device *dev,
163 struct device_attribute *attr, char *buf);
164static ssize_t host_show_transport_mode(struct device *dev,
165 struct device_attribute *attr, char *buf);
164static void hpsa_update_scsi_devices(struct ctlr_info *h, int hostno);
165static ssize_t host_store_rescan(struct device *dev,
166 struct device_attribute *attr, const char *buf, size_t count);
167static int check_for_unit_attention(struct ctlr_info *h,
168 struct CommandList *c);
169static void check_ioctl_unit_attention(struct ctlr_info *h,
170 struct CommandList *c);
171/* performant mode helper functions */

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187static DEVICE_ATTR(raid_level, S_IRUGO, raid_level_show, NULL);
188static DEVICE_ATTR(lunid, S_IRUGO, lunid_show, NULL);
189static DEVICE_ATTR(unique_id, S_IRUGO, unique_id_show, NULL);
190static DEVICE_ATTR(rescan, S_IWUSR, NULL, host_store_rescan);
191static DEVICE_ATTR(firmware_revision, S_IRUGO,
192 host_show_firmware_revision, NULL);
193static DEVICE_ATTR(commands_outstanding, S_IRUGO,
194 host_show_commands_outstanding, NULL);
166static void hpsa_update_scsi_devices(struct ctlr_info *h, int hostno);
167static ssize_t host_store_rescan(struct device *dev,
168 struct device_attribute *attr, const char *buf, size_t count);
169static int check_for_unit_attention(struct ctlr_info *h,
170 struct CommandList *c);
171static void check_ioctl_unit_attention(struct ctlr_info *h,
172 struct CommandList *c);
173/* performant mode helper functions */

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189static DEVICE_ATTR(raid_level, S_IRUGO, raid_level_show, NULL);
190static DEVICE_ATTR(lunid, S_IRUGO, lunid_show, NULL);
191static DEVICE_ATTR(unique_id, S_IRUGO, unique_id_show, NULL);
192static DEVICE_ATTR(rescan, S_IWUSR, NULL, host_store_rescan);
193static DEVICE_ATTR(firmware_revision, S_IRUGO,
194 host_show_firmware_revision, NULL);
195static DEVICE_ATTR(commands_outstanding, S_IRUGO,
196 host_show_commands_outstanding, NULL);
197static DEVICE_ATTR(transport_mode, S_IRUGO,
198 host_show_transport_mode, NULL);
195
196static struct device_attribute *hpsa_sdev_attrs[] = {
197 &dev_attr_raid_level,
198 &dev_attr_lunid,
199 &dev_attr_unique_id,
200 NULL,
201};
202
203static struct device_attribute *hpsa_shost_attrs[] = {
204 &dev_attr_rescan,
205 &dev_attr_firmware_revision,
206 &dev_attr_commands_outstanding,
199
200static struct device_attribute *hpsa_sdev_attrs[] = {
201 &dev_attr_raid_level,
202 &dev_attr_lunid,
203 &dev_attr_unique_id,
204 NULL,
205};
206
207static struct device_attribute *hpsa_shost_attrs[] = {
208 &dev_attr_rescan,
209 &dev_attr_firmware_revision,
210 &dev_attr_commands_outstanding,
211 &dev_attr_transport_mode,
207 NULL,
208};
209
210static struct scsi_host_template hpsa_driver_template = {
211 .module = THIS_MODULE,
212 .name = "hpsa",
213 .proc_name = "hpsa",
214 .queuecommand = hpsa_scsi_queue_command,

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308 struct device_attribute *attr, char *buf)
309{
310 struct Scsi_Host *shost = class_to_shost(dev);
311 struct ctlr_info *h = shost_to_hba(shost);
312
313 return snprintf(buf, 20, "%d\n", h->commands_outstanding);
314}
315
212 NULL,
213};
214
215static struct scsi_host_template hpsa_driver_template = {
216 .module = THIS_MODULE,
217 .name = "hpsa",
218 .proc_name = "hpsa",
219 .queuecommand = hpsa_scsi_queue_command,

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313 struct device_attribute *attr, char *buf)
314{
315 struct Scsi_Host *shost = class_to_shost(dev);
316 struct ctlr_info *h = shost_to_hba(shost);
317
318 return snprintf(buf, 20, "%d\n", h->commands_outstanding);
319}
320
321static ssize_t host_show_transport_mode(struct device *dev,
322 struct device_attribute *attr, char *buf)
323{
324 struct ctlr_info *h;
325 struct Scsi_Host *shost = class_to_shost(dev);
326
327 h = shost_to_hba(shost);
328 return snprintf(buf, 20, "%s\n",
329 h->transMethod == CFGTBL_Trans_Performant ?
330 "performant" : "simple");
331}
332
316/* Enqueuing and dequeuing functions for cmdlists. */
317static inline void addQ(struct list_head *list, struct CommandList *c)
318{
319 list_add_tail(&c->list, list);
320}
321
322static inline u32 next_command(struct ctlr_info *h)
323{

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3763 BUILD_BUG_ON(sizeof(struct CommandList) % COMMANDLIST_ALIGNMENT);
3764 h = kzalloc(sizeof(*h), GFP_KERNEL);
3765 if (!h)
3766 return -ENOMEM;
3767
3768 h->pdev = pdev;
3769 h->busy_initializing = 1;
3770 h->intr_mode = hpsa_simple_mode ? SIMPLE_MODE_INT : PERF_MODE_INT;
333/* Enqueuing and dequeuing functions for cmdlists. */
334static inline void addQ(struct list_head *list, struct CommandList *c)
335{
336 list_add_tail(&c->list, list);
337}
338
339static inline u32 next_command(struct ctlr_info *h)
340{

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3780 BUILD_BUG_ON(sizeof(struct CommandList) % COMMANDLIST_ALIGNMENT);
3781 h = kzalloc(sizeof(*h), GFP_KERNEL);
3782 if (!h)
3783 return -ENOMEM;
3784
3785 h->pdev = pdev;
3786 h->busy_initializing = 1;
3787 h->intr_mode = hpsa_simple_mode ? SIMPLE_MODE_INT : PERF_MODE_INT;
3771 printk(KERN_WARNING "hpsa_simple_mode is %d\n", hpsa_simple_mode);
3772 INIT_LIST_HEAD(&h->cmpQ);
3773 INIT_LIST_HEAD(&h->reqQ);
3774 spin_lock_init(&h->lock);
3775 spin_lock_init(&h->scan_lock);
3776 rc = hpsa_pci_init(h);
3777 if (rc != 0)
3778 goto clean1;
3779

--- 349 unchanged lines hidden --- 		3788 INIT_LIST_HEAD(&h->cmpQ);
3789 INIT_LIST_HEAD(&h->reqQ);
3790 spin_lock_init(&h->lock);
3791 spin_lock_init(&h->scan_lock);
3792 rc = hpsa_pci_init(h);
3793 if (rc != 0)
3794 goto clean1;
3795

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