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Date: Wed, 09 Mar 2011 17:00:01 -0600
From: "Stephen M. Cameron" <scameron@...rdog.cce.hp.com>
To: james.bottomley@...senpartnership.com
Cc: linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
smcameron@...oo.com, thenzl@...hat.com, akpm@...ux-foundation.org,
mikem@...rdog.cce.hp.com
Subject: [PATCH 1/2] hpsa: move device attributes to avoid forward declarations
From: Stephen M. Cameron <scameron@...rdog.cce.hp.com>
Signed-off-by: Stephen M. Cameron <scameron@...rdog.cce.hp.com>
---
drivers/scsi/hpsa.c | 253 ++++++++++++++++++++++++---------------------------
1 files changed, 120 insertions(+), 133 deletions(-)
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index 09a529e..dcabef4 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -155,21 +155,7 @@ static int hpsa_eh_device_reset_handler(struct scsi_cmnd *scsicmd);
static int hpsa_slave_alloc(struct scsi_device *sdev);
static void hpsa_slave_destroy(struct scsi_device *sdev);
-static ssize_t raid_level_show(struct device *dev,
- struct device_attribute *attr, char *buf);
-static ssize_t lunid_show(struct device *dev,
- struct device_attribute *attr, char *buf);
-static ssize_t unique_id_show(struct device *dev,
- struct device_attribute *attr, char *buf);
-static ssize_t host_show_firmware_revision(struct device *dev,
- struct device_attribute *attr, char *buf);
-static ssize_t host_show_commands_outstanding(struct device *dev,
- struct device_attribute *attr, char *buf);
-static ssize_t host_show_transport_mode(struct device *dev,
- struct device_attribute *attr, char *buf);
static void hpsa_update_scsi_devices(struct ctlr_info *h, int hostno);
-static ssize_t host_store_rescan(struct device *dev,
- struct device_attribute *attr, const char *buf, size_t count);
static int check_for_unit_attention(struct ctlr_info *h,
struct CommandList *c);
static void check_ioctl_unit_attention(struct ctlr_info *h,
@@ -190,53 +176,6 @@ static int __devinit hpsa_wait_for_board_state(struct pci_dev *pdev,
#define BOARD_NOT_READY 0
#define BOARD_READY 1
-static DEVICE_ATTR(raid_level, S_IRUGO, raid_level_show, NULL);
-static DEVICE_ATTR(lunid, S_IRUGO, lunid_show, NULL);
-static DEVICE_ATTR(unique_id, S_IRUGO, unique_id_show, NULL);
-static DEVICE_ATTR(rescan, S_IWUSR, NULL, host_store_rescan);
-static DEVICE_ATTR(firmware_revision, S_IRUGO,
- host_show_firmware_revision, NULL);
-static DEVICE_ATTR(commands_outstanding, S_IRUGO,
- host_show_commands_outstanding, NULL);
-static DEVICE_ATTR(transport_mode, S_IRUGO,
- host_show_transport_mode, NULL);
-
-static struct device_attribute *hpsa_sdev_attrs[] = {
- &dev_attr_raid_level,
- &dev_attr_lunid,
- &dev_attr_unique_id,
- NULL,
-};
-
-static struct device_attribute *hpsa_shost_attrs[] = {
- &dev_attr_rescan,
- &dev_attr_firmware_revision,
- &dev_attr_commands_outstanding,
- &dev_attr_transport_mode,
- NULL,
-};
-
-static struct scsi_host_template hpsa_driver_template = {
- .module = THIS_MODULE,
- .name = "hpsa",
- .proc_name = "hpsa",
- .queuecommand = hpsa_scsi_queue_command,
- .scan_start = hpsa_scan_start,
- .scan_finished = hpsa_scan_finished,
- .change_queue_depth = hpsa_change_queue_depth,
- .this_id = -1,
- .use_clustering = ENABLE_CLUSTERING,
- .eh_device_reset_handler = hpsa_eh_device_reset_handler,
- .ioctl = hpsa_ioctl,
- .slave_alloc = hpsa_slave_alloc,
- .slave_destroy = hpsa_slave_destroy,
-#ifdef CONFIG_COMPAT
- .compat_ioctl = hpsa_compat_ioctl,
-#endif
- .sdev_attrs = hpsa_sdev_attrs,
- .shost_attrs = hpsa_shost_attrs,
-};
-
static inline struct ctlr_info *sdev_to_hba(struct scsi_device *sdev)
{
unsigned long *priv = shost_priv(sdev->host);
@@ -334,83 +273,11 @@ static ssize_t host_show_transport_mode(struct device *dev,
"performant" : "simple");
}
-/* Enqueuing and dequeuing functions for cmdlists. */
-static inline void addQ(struct list_head *list, struct CommandList *c)
-{
- list_add_tail(&c->list, list);
-}
-
-static inline u32 next_command(struct ctlr_info *h)
-{
- u32 a;
-
- if (unlikely(!(h->transMethod & CFGTBL_Trans_Performant)))
- return h->access.command_completed(h);
-
- if ((*(h->reply_pool_head) & 1) == (h->reply_pool_wraparound)) {
- a = *(h->reply_pool_head); /* Next cmd in ring buffer */
- (h->reply_pool_head)++;
- h->commands_outstanding--;
- } else {
- a = FIFO_EMPTY;
- }
- /* Check for wraparound */
- if (h->reply_pool_head == (h->reply_pool + h->max_commands)) {
- h->reply_pool_head = h->reply_pool;
- h->reply_pool_wraparound ^= 1;
- }
- return a;
-}
-
-/* set_performant_mode: Modify the tag for cciss performant
- * set bit 0 for pull model, bits 3-1 for block fetch
- * register number
- */
-static void set_performant_mode(struct ctlr_info *h, struct CommandList *c)
-{
- if (likely(h->transMethod & CFGTBL_Trans_Performant))
- c->busaddr |= 1 | (h->blockFetchTable[c->Header.SGList] << 1);
-}
-
-static void enqueue_cmd_and_start_io(struct ctlr_info *h,
- struct CommandList *c)
-{
- unsigned long flags;
-
- set_performant_mode(h, c);
- spin_lock_irqsave(&h->lock, flags);
- addQ(&h->reqQ, c);
- h->Qdepth++;
- start_io(h);
- spin_unlock_irqrestore(&h->lock, flags);
-}
-
-static inline void removeQ(struct CommandList *c)
-{
- if (WARN_ON(list_empty(&c->list)))
- return;
- list_del_init(&c->list);
-}
-
-static inline int is_hba_lunid(unsigned char scsi3addr[])
-{
- return memcmp(scsi3addr, RAID_CTLR_LUNID, 8) == 0;
-}
-
static inline int is_logical_dev_addr_mode(unsigned char scsi3addr[])
{
return (scsi3addr[3] & 0xC0) == 0x40;
}
-static inline int is_scsi_rev_5(struct ctlr_info *h)
-{
- if (!h->hba_inquiry_data)
- return 0;
- if ((h->hba_inquiry_data[2] & 0x07) == 5)
- return 1;
- return 0;
-}
-
static const char *raid_label[] = { "0", "4", "1(1+0)", "5", "5+1", "ADG",
"UNKNOWN"
};
@@ -502,6 +369,126 @@ static ssize_t unique_id_show(struct device *dev,
sn[12], sn[13], sn[14], sn[15]);
}
+static DEVICE_ATTR(raid_level, S_IRUGO, raid_level_show, NULL);
+static DEVICE_ATTR(lunid, S_IRUGO, lunid_show, NULL);
+static DEVICE_ATTR(unique_id, S_IRUGO, unique_id_show, NULL);
+static DEVICE_ATTR(rescan, S_IWUSR, NULL, host_store_rescan);
+static DEVICE_ATTR(firmware_revision, S_IRUGO,
+ host_show_firmware_revision, NULL);
+static DEVICE_ATTR(commands_outstanding, S_IRUGO,
+ host_show_commands_outstanding, NULL);
+static DEVICE_ATTR(transport_mode, S_IRUGO,
+ host_show_transport_mode, NULL);
+
+static struct device_attribute *hpsa_sdev_attrs[] = {
+ &dev_attr_raid_level,
+ &dev_attr_lunid,
+ &dev_attr_unique_id,
+ NULL,
+};
+
+static struct device_attribute *hpsa_shost_attrs[] = {
+ &dev_attr_rescan,
+ &dev_attr_firmware_revision,
+ &dev_attr_commands_outstanding,
+ &dev_attr_transport_mode,
+ NULL,
+};
+
+static struct scsi_host_template hpsa_driver_template = {
+ .module = THIS_MODULE,
+ .name = "hpsa",
+ .proc_name = "hpsa",
+ .queuecommand = hpsa_scsi_queue_command,
+ .scan_start = hpsa_scan_start,
+ .scan_finished = hpsa_scan_finished,
+ .change_queue_depth = hpsa_change_queue_depth,
+ .this_id = -1,
+ .use_clustering = ENABLE_CLUSTERING,
+ .eh_device_reset_handler = hpsa_eh_device_reset_handler,
+ .ioctl = hpsa_ioctl,
+ .slave_alloc = hpsa_slave_alloc,
+ .slave_destroy = hpsa_slave_destroy,
+#ifdef CONFIG_COMPAT
+ .compat_ioctl = hpsa_compat_ioctl,
+#endif
+ .sdev_attrs = hpsa_sdev_attrs,
+ .shost_attrs = hpsa_shost_attrs,
+};
+
+
+/* Enqueuing and dequeuing functions for cmdlists. */
+static inline void addQ(struct list_head *list, struct CommandList *c)
+{
+ list_add_tail(&c->list, list);
+}
+
+static inline u32 next_command(struct ctlr_info *h)
+{
+ u32 a;
+
+ if (unlikely(!(h->transMethod & CFGTBL_Trans_Performant)))
+ return h->access.command_completed(h);
+
+ if ((*(h->reply_pool_head) & 1) == (h->reply_pool_wraparound)) {
+ a = *(h->reply_pool_head); /* Next cmd in ring buffer */
+ (h->reply_pool_head)++;
+ h->commands_outstanding--;
+ } else {
+ a = FIFO_EMPTY;
+ }
+ /* Check for wraparound */
+ if (h->reply_pool_head == (h->reply_pool + h->max_commands)) {
+ h->reply_pool_head = h->reply_pool;
+ h->reply_pool_wraparound ^= 1;
+ }
+ return a;
+}
+
+/* set_performant_mode: Modify the tag for cciss performant
+ * set bit 0 for pull model, bits 3-1 for block fetch
+ * register number
+ */
+static void set_performant_mode(struct ctlr_info *h, struct CommandList *c)
+{
+ if (likely(h->transMethod & CFGTBL_Trans_Performant))
+ c->busaddr |= 1 | (h->blockFetchTable[c->Header.SGList] << 1);
+}
+
+static void enqueue_cmd_and_start_io(struct ctlr_info *h,
+ struct CommandList *c)
+{
+ unsigned long flags;
+
+ set_performant_mode(h, c);
+ spin_lock_irqsave(&h->lock, flags);
+ addQ(&h->reqQ, c);
+ h->Qdepth++;
+ start_io(h);
+ spin_unlock_irqrestore(&h->lock, flags);
+}
+
+static inline void removeQ(struct CommandList *c)
+{
+ if (WARN_ON(list_empty(&c->list)))
+ return;
+ list_del_init(&c->list);
+}
+
+static inline int is_hba_lunid(unsigned char scsi3addr[])
+{
+ return memcmp(scsi3addr, RAID_CTLR_LUNID, 8) == 0;
+}
+
+static inline int is_scsi_rev_5(struct ctlr_info *h)
+{
+ if (!h->hba_inquiry_data)
+ return 0;
+ if ((h->hba_inquiry_data[2] & 0x07) == 5)
+ return 1;
+ return 0;
+}
+
static int hpsa_find_target_lun(struct ctlr_info *h,
unsigned char scsi3addr[], int bus, int *target, int *lun)
{
--
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