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authorBjorn Helgaas <bjorn.helgaas@hp.com>2006-06-25 05:49:06 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-06-25 10:01:21 -0700
commit7c8328355609be6d229e1a5e016a0115e9328b83 (patch)
tree9180f623a5380c22e90235a24bfa7a3af522dc76 /drivers
parente2019b58fac87b93c04d9efc08324a28fd23d601 (diff)
[PATCH] CCISS: run through Lindent
cciss is full of inconsistent style ("for (" vs. "for(", lines that end with whitespace, lines beginning with a mix of spaces & tabs, etc). This patch changes only whitespace. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Acked-by: Jeff Garzik <jeff@garzik.org> Acked-by: Mike Miller <mike.miller@hp.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/block/cciss.c3115
1 files changed, 1581 insertions, 1534 deletions
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 44cf001db271..d5c126d7d427 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -34,7 +34,7 @@
#include <linux/blkpg.h>
#include <linux/timer.h>
#include <linux/proc_fs.h>
-#include <linux/init.h>
+#include <linux/init.h>
#include <linux/hdreg.h>
#include <linux/spinlock.h>
#include <linux/compat.h>
@@ -64,141 +64,147 @@ MODULE_LICENSE("GPL");
/* define the PCI info for the cards we can control */
static const struct pci_device_id cciss_pci_device_id[] = {
- { PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_CISS,
- 0x0E11, 0x4070, 0, 0, 0},
- { PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_CISSB,
- 0x0E11, 0x4080, 0, 0, 0},
- { PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_CISSB,
- 0x0E11, 0x4082, 0, 0, 0},
- { PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_CISSB,
- 0x0E11, 0x4083, 0, 0, 0},
- { PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_CISSC,
- 0x0E11, 0x409A, 0, 0, 0},
- { PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_CISSC,
- 0x0E11, 0x409B, 0, 0, 0},
- { PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_CISSC,
- 0x0E11, 0x409C, 0, 0, 0},
- { PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_CISSC,
- 0x0E11, 0x409D, 0, 0, 0},
- { PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_CISSC,
- 0x0E11, 0x4091, 0, 0, 0},
- { PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSA,
- 0x103C, 0x3225, 0, 0, 0},
- { PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSC,
- 0x103c, 0x3223, 0, 0, 0},
- { PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSC,
- 0x103c, 0x3234, 0, 0, 0},
- { PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSC,
- 0x103c, 0x3235, 0, 0, 0},
- { PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSD,
- 0x103c, 0x3211, 0, 0, 0},
- { PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSD,
- 0x103c, 0x3212, 0, 0, 0},
- { PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSD,
- 0x103c, 0x3213, 0, 0, 0},
- { PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSD,
- 0x103c, 0x3214, 0, 0, 0},
- { PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSD,
- 0x103c, 0x3215, 0, 0, 0},
+ {PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_CISS,
+ 0x0E11, 0x4070, 0, 0, 0},
+ {PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_CISSB,
+ 0x0E11, 0x4080, 0, 0, 0},
+ {PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_CISSB,
+ 0x0E11, 0x4082, 0, 0, 0},
+ {PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_CISSB,
+ 0x0E11, 0x4083, 0, 0, 0},
+ {PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_CISSC,
+ 0x0E11, 0x409A, 0, 0, 0},
+ {PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_CISSC,
+ 0x0E11, 0x409B, 0, 0, 0},
+ {PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_CISSC,
+ 0x0E11, 0x409C, 0, 0, 0},
+ {PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_CISSC,
+ 0x0E11, 0x409D, 0, 0, 0},
+ {PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_CISSC,
+ 0x0E11, 0x4091, 0, 0, 0},
+ {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSA,
+ 0x103C, 0x3225, 0, 0, 0},
+ {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSC,
+ 0x103c, 0x3223, 0, 0, 0},
+ {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSC,
+ 0x103c, 0x3234, 0, 0, 0},
+ {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSC,
+ 0x103c, 0x3235, 0, 0, 0},
+ {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSD,
+ 0x103c, 0x3211, 0, 0, 0},
+ {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSD,
+ 0x103c, 0x3212, 0, 0, 0},
+ {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSD,
+ 0x103c, 0x3213, 0, 0, 0},
+ {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSD,
+ 0x103c, 0x3214, 0, 0, 0},
+ {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSD,
+ 0x103c, 0x3215, 0, 0, 0},
{0,}
};
+
MODULE_DEVICE_TABLE(pci, cciss_pci_device_id);
/* board_id = Subsystem Device ID & Vendor ID
* product = Marketing Name for the board
- * access = Address of the struct of function pointers
+ * access = Address of the struct of function pointers
*/
static struct board_type products[] = {
- { 0x40700E11, "Smart Array 5300", &SA5_access },
- { 0x40800E11, "Smart Array 5i", &SA5B_access},
- { 0x40820E11, "Smart Array 532", &SA5B_access},
- { 0x40830E11, "Smart Array 5312", &SA5B_access},
- { 0x409A0E11, "Smart Array 641", &SA5_access},
- { 0x409B0E11, "Smart Array 642", &SA5_access},
- { 0x409C0E11, "Smart Array 6400", &SA5_access},
- { 0x409D0E11, "Smart Array 6400 EM", &SA5_access},
- { 0x40910E11, "Smart Array 6i", &SA5_access},
- { 0x3225103C, "Smart Array P600", &SA5_access},
- { 0x3223103C, "Smart Array P800", &SA5_access},
- { 0x3234103C, "Smart Array P400", &SA5_access},
- { 0x3235103C, "Smart Array P400i", &SA5_access},
- { 0x3211103C, "Smart Array E200i", &SA5_access},
- { 0x3212103C, "Smart Array E200", &SA5_access},
- { 0x3213103C, "Smart Array E200i", &SA5_access},
- { 0x3214103C, "Smart Array E200i", &SA5_access},
- { 0x3215103C, "Smart Array E200i", &SA5_access},
+ {0x40700E11, "Smart Array 5300", &SA5_access},
+ {0x40800E11, "Smart Array 5i", &SA5B_access},
+ {0x40820E11, "Smart Array 532", &SA5B_access},
+ {0x40830E11, "Smart Array 5312", &SA5B_access},
+ {0x409A0E11, "Smart Array 641", &SA5_access},
+ {0x409B0E11, "Smart Array 642", &SA5_access},
+ {0x409C0E11, "Smart Array 6400", &SA5_access},
+ {0x409D0E11, "Smart Array 6400 EM", &SA5_access},
+ {0x40910E11, "Smart Array 6i", &SA5_access},
+ {0x3225103C, "Smart Array P600", &SA5_access},
+ {0x3223103C, "Smart Array P800", &SA5_access},
+ {0x3234103C, "Smart Array P400", &SA5_access},
+ {0x3235103C, "Smart Array P400i", &SA5_access},
+ {0x3211103C, "Smart Array E200i", &SA5_access},
+ {0x3212103C, "Smart Array E200", &SA5_access},
+ {0x3213103C, "Smart Array E200i", &SA5_access},
+ {0x3214103C, "Smart Array E200i", &SA5_access},
+ {0x3215103C, "Smart Array E200i", &SA5_access},
};
/* How long to wait (in milliseconds) for board to go into simple mode */
-#define MAX_CONFIG_WAIT 30000
+#define MAX_CONFIG_WAIT 30000
#define MAX_IOCTL_CONFIG_WAIT 1000
/*define how many times we will try a command because of bus resets */
#define MAX_CMD_RETRIES 3
#define READ_AHEAD 1024
-#define NR_CMDS 384 /* #commands that can be outstanding */
+#define NR_CMDS 384 /* #commands that can be outstanding */
#define MAX_CTLR 32
/* Originally cciss driver only supports 8 major numbers */
#define MAX_CTLR_ORIG 8
-
static ctlr_info_t *hba[MAX_CTLR];
static void do_cciss_request(request_queue_t *q);
static irqreturn_t do_cciss_intr(int irq, void *dev_id, struct pt_regs *regs);
static int cciss_open(struct inode *inode, struct file *filep);
static int cciss_release(struct inode *inode, struct file *filep);
-static int cciss_ioctl(struct inode *inode, struct file *filep,
- unsigned int cmd, unsigned long arg);
+static int cciss_ioctl(struct inode *inode, struct file *filep,
+ unsigned int cmd, unsigned long arg);
static int cciss_getgeo(struct block_device *bdev, struct hd_geometry *geo);
static int revalidate_allvol(ctlr_info_t *host);
static int cciss_revalidate(struct gendisk *disk);
static int rebuild_lun_table(ctlr_info_t *h, struct gendisk *del_disk);
-static int deregister_disk(struct gendisk *disk, drive_info_struct *drv, int clear_all);
+static int deregister_disk(struct gendisk *disk, drive_info_struct *drv,
+ int clear_all);
static void cciss_read_capacity(int ctlr, int logvol, ReadCapdata_struct *buf,
- int withirq, unsigned int *total_size, unsigned int *block_size);
-static void cciss_geometry_inquiry(int ctlr, int logvol,
- int withirq, unsigned int total_size,
- unsigned int block_size, InquiryData_struct *inq_buff,
- drive_info_struct *drv);
+ int withirq, unsigned int *total_size,
+ unsigned int *block_size);
+static void cciss_geometry_inquiry(int ctlr, int logvol, int withirq,
+ unsigned int total_size,
+ unsigned int block_size,
+ InquiryData_struct *inq_buff,
+ drive_info_struct *drv);
static void cciss_getgeometry(int cntl_num);
-static void __devinit cciss_interrupt_mode(ctlr_info_t *, struct pci_dev *, __u32);
-static void start_io( ctlr_info_t *h);
-static int sendcmd( __u8 cmd, int ctlr, void *buff, size_t size,
- unsigned int use_unit_num, unsigned int log_unit, __u8 page_code,
- unsigned char *scsi3addr, int cmd_type);
-static int sendcmd_withirq(__u8 cmd, int ctlr, void *buff, size_t size,
- unsigned int use_unit_num, unsigned int log_unit, __u8 page_code,
- int cmd_type);
+static void __devinit cciss_interrupt_mode(ctlr_info_t *, struct pci_dev *,
+ __u32);
+static void start_io(ctlr_info_t *h);
+static int sendcmd(__u8 cmd, int ctlr, void *buff, size_t size,
+ unsigned int use_unit_num, unsigned int log_unit,
+ __u8 page_code, unsigned char *scsi3addr, int cmd_type);
+static int sendcmd_withirq(__u8 cmd, int ctlr, void *buff, size_t size,
+ unsigned int use_unit_num, unsigned int log_unit,
+ __u8 page_code, int cmd_type);
static void fail_all_cmds(unsigned long ctlr);
#ifdef CONFIG_PROC_FS
-static int cciss_proc_get_info(char *buffer, char **start, off_t offset,
- int length, int *eof, void *data);
+static int cciss_proc_get_info(char *buffer, char **start, off_t offset,
+ int length, int *eof, void *data);
static void cciss_procinit(int i);
#else
-static void cciss_procinit(int i) {}
-#endif /* CONFIG_PROC_FS */
+static void cciss_procinit(int i)
+{
+}
+#endif /* CONFIG_PROC_FS */
#ifdef CONFIG_COMPAT
static long cciss_compat_ioctl(struct file *f, unsigned cmd, unsigned long arg);
#endif
-static struct block_device_operations cciss_fops = {
- .owner = THIS_MODULE,
- .open = cciss_open,
- .release = cciss_release,
- .ioctl = cciss_ioctl,
- .getgeo = cciss_getgeo,
+static struct block_device_operations cciss_fops = {
+ .owner = THIS_MODULE,
+ .open = cciss_open,
+ .release = cciss_release,
+ .ioctl = cciss_ioctl,
+ .getgeo = cciss_getgeo,
#ifdef CONFIG_COMPAT
- .compat_ioctl = cciss_compat_ioctl,
+ .compat_ioctl = cciss_compat_ioctl,
#endif
- .revalidate_disk= cciss_revalidate,
+ .revalidate_disk = cciss_revalidate,
};
/*
@@ -206,28 +212,29 @@ static struct block_device_operations cciss_fops = {
*/
static inline void addQ(CommandList_struct **Qptr, CommandList_struct *c)
{
- if (*Qptr == NULL) {
- *Qptr = c;
- c->next = c->prev = c;
- } else {
- c->prev = (*Qptr)->prev;
- c->next = (*Qptr);
- (*Qptr)->prev->next = c;
- (*Qptr)->prev = c;
- }
+ if (*Qptr == NULL) {
+ *Qptr = c;
+ c->next = c->prev = c;
+ } else {
+ c->prev = (*Qptr)->prev;
+ c->next = (*Qptr);
+ (*Qptr)->prev->next = c;
+ (*Qptr)->prev = c;
+ }
}
-static inline CommandList_struct *removeQ(CommandList_struct **Qptr,
- CommandList_struct *c)
+static inline CommandList_struct *removeQ(CommandList_struct **Qptr,
+ CommandList_struct *c)
{
- if (c && c->next != c) {
- if (*Qptr == c) *Qptr = c->next;
- c->prev->next = c->next;
- c->next->prev = c->prev;
- } else {
- *Qptr = NULL;
- }
- return c;
+ if (c && c->next != c) {
+ if (*Qptr == c)
+ *Qptr = c->next;
+ c->prev->next = c->next;
+ c->next->prev = c->prev;
+ } else {
+ *Qptr = NULL;
+ }
+ return c;
}
#include "cciss_scsi.c" /* For SCSI tape support */
@@ -240,23 +247,24 @@ static inline CommandList_struct *removeQ(CommandList_struct **Qptr,
#define ENG_GIG 1000000000
#define ENG_GIG_FACTOR (ENG_GIG/512)
#define RAID_UNKNOWN 6
-static const char *raid_label[] = {"0","4","1(1+0)","5","5+1","ADG",
- "UNKNOWN"};
+static const char *raid_label[] = { "0", "4", "1(1+0)", "5", "5+1", "ADG",
+ "UNKNOWN"
+};
static struct proc_dir_entry *proc_cciss;
-static int cciss_proc_get_info(char *buffer, char **start, off_t offset,
- int length, int *eof, void *data)
+static int cciss_proc_get_info(char *buffer, char **start, off_t offset,
+ int length, int *eof, void *data)
{
- off_t pos = 0;
- off_t len = 0;
- int size, i, ctlr;
- ctlr_info_t *h = (ctlr_info_t*)data;
- drive_info_struct *drv;
+ off_t pos = 0;
+ off_t len = 0;
+ int size, i, ctlr;
+ ctlr_info_t *h = (ctlr_info_t *) data;
+ drive_info_struct *drv;
unsigned long flags;
- sector_t vol_sz, vol_sz_frac;
+ sector_t vol_sz, vol_sz_frac;
- ctlr = h->ctlr;
+ ctlr = h->ctlr;
/* prevent displaying bogus info during configuration
* or deconfiguration of a logical volume
@@ -264,35 +272,35 @@ static int cciss_proc_get_info(char *buffer, char **start, off_t offset,
spin_lock_irqsave(CCISS_LOCK(ctlr), flags);
if (h->busy_configuring) {
spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags);
- return -EBUSY;
+ return -EBUSY;
}
h->busy_configuring = 1;
spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags);
- size = sprintf(buffer, "%s: HP %s Controller\n"
- "Board ID: 0x%08lx\n"
- "Firmware Version: %c%c%c%c\n"
- "IRQ: %d\n"
- "Logical drives: %d\n"
- "Current Q depth: %d\n"
- "Current # commands on controller: %d\n"
- "Max Q depth since init: %d\n"
- "Max # commands on controller since init: %d\n"
- "Max SG entries since init: %d\n\n",
- h->devname,
- h->product_name,
- (unsigned long)h->board_id,
- h->firm_ver[0], h->firm_ver[1], h->firm_ver[2], h->firm_ver[3],
- (unsigned int)h->intr[SIMPLE_MODE_INT],
- h->num_luns,
- h->Qdepth, h->commands_outstanding,
- h->maxQsinceinit, h->max_outstanding, h->maxSG);
-
- pos += size; len += size;
+ size = sprintf(buffer, "%s: HP %s Controller\n"
+ "Board ID: 0x%08lx\n"
+ "Firmware Version: %c%c%c%c\n"
+ "IRQ: %d\n"
+ "Logical drives: %d\n"
+ "Current Q depth: %d\n"
+ "Current # commands on controller: %d\n"
+ "Max Q depth since init: %d\n"
+ "Max # commands on controller since init: %d\n"
+ "Max SG entries since init: %d\n\n",
+ h->devname,
+ h->product_name,
+ (unsigned long)h->board_id,
+ h->firm_ver[0], h->firm_ver[1], h->firm_ver[2],
+ h->firm_ver[3], (unsigned int)h->intr[SIMPLE_MODE_INT],
+ h->num_luns, h->Qdepth, h->commands_outstanding,
+ h->maxQsinceinit, h->max_outstanding, h->maxSG);
+
+ pos += size;
+ len += size;
cciss_proc_tape_report(ctlr, buffer, &pos, &len);
- for(i=0; i<=h->highest_lun; i++) {
+ for (i = 0; i <= h->highest_lun; i++) {
- drv = &h->drv[i];
+ drv = &h->drv[i];
if (drv->heads == 0)
continue;
@@ -303,25 +311,26 @@ static int cciss_proc_get_info(char *buffer, char **start, off_t offset,
if (drv->raid_level > 5)
drv->raid_level = RAID_UNKNOWN;
- size = sprintf(buffer+len, "cciss/c%dd%d:"
- "\t%4u.%02uGB\tRAID %s\n",
- ctlr, i, (int)vol_sz, (int)vol_sz_frac,
- raid_label[drv->raid_level]);
- pos += size; len += size;
- }
-
- *eof = 1;
- *start = buffer+offset;
- len -= offset;
- if (len>length)
- len = length;
+ size = sprintf(buffer + len, "cciss/c%dd%d:"
+ "\t%4u.%02uGB\tRAID %s\n",
+ ctlr, i, (int)vol_sz, (int)vol_sz_frac,
+ raid_label[drv->raid_level]);
+ pos += size;
+ len += size;
+ }
+
+ *eof = 1;
+ *start = buffer + offset;
+ len -= offset;
+ if (len > length)
+ len = length;
h->busy_configuring = 0;
- return len;
+ return len;
}
-static int
-cciss_proc_write(struct file *file, const char __user *buffer,
- unsigned long count, void *data)
+static int
+cciss_proc_write(struct file *file, const char __user *buffer,
+ unsigned long count, void *data)
{
unsigned char cmd[80];
int len;
@@ -330,20 +339,23 @@ cciss_proc_write(struct file *file, const char __user *buffer,
int rc;
#endif
- if (count > sizeof(cmd)-1) return -EINVAL;
- if (copy_from_user(cmd, buffer, count)) return -EFAULT;
+ if (count > sizeof(cmd) - 1)
+ return -EINVAL;
+ if (copy_from_user(cmd, buffer, count))
+ return -EFAULT;
cmd[count] = '\0';
len = strlen(cmd); // above 3 lines ensure safety
- if (len && cmd[len-1] == '\n')
+ if (len && cmd[len - 1] == '\n')
cmd[--len] = '\0';
# ifdef CONFIG_CISS_SCSI_TAPE
- if (strcmp("engage scsi", cmd)==0) {
- rc = cciss_engage_scsi(h->ctlr);
- if (rc != 0) return -rc;
- return count;
- }
- /* might be nice to have "disengage" too, but it's not
- safely possible. (only 1 module use count, lock issues.) */
+ if (strcmp("engage scsi", cmd) == 0) {
+ rc = cciss_engage_scsi(h->ctlr);
+ if (rc != 0)
+ return -rc;
+ return count;
+ }
+ /* might be nice to have "disengage" too, but it's not
+ safely possible. (only 1 module use count, lock issues.) */
# endif
return -EINVAL;
}
@@ -356,116 +368,113 @@ static void __devinit cciss_procinit(int i)
{
struct proc_dir_entry *pde;
- if (proc_cciss == NULL) {
- proc_cciss = proc_mkdir("cciss", proc_root_driver);
- if (!proc_cciss)
+ if (proc_cciss == NULL) {
+ proc_cciss = proc_mkdir("cciss", proc_root_driver);
+ if (!proc_cciss)
return;
- }
+ }
- pde = create_proc_read_entry(hba[i]->devname,
- S_IWUSR | S_IRUSR | S_IRGRP | S_IROTH,
- proc_cciss, cciss_proc_get_info, hba[i]);
+ pde = create_proc_read_entry(hba[i]->devname,
+ S_IWUSR | S_IRUSR | S_IRGRP | S_IROTH,
+ proc_cciss, cciss_proc_get_info, hba[i]);
pde->write_proc = cciss_proc_write;
}
-#endif /* CONFIG_PROC_FS */
+#endif /* CONFIG_PROC_FS */
-/*
- * For operations that cannot sleep, a command block is allocated at init,
+/*
+ * For operations that cannot sleep, a command block is allocated at init,
* and managed by cmd_alloc() and cmd_free() using a simple bitmap to track
- * which ones are free or in use. For operations that can wait for kmalloc
- * to possible sleep, this routine can be called with get_from_pool set to 0.
- * cmd_free() MUST be called with a got_from_pool set to 0 if cmd_alloc was.
- */
-static CommandList_struct * cmd_alloc(ctlr_info_t *h, int get_from_pool)
+ * which ones are free or in use. For operations that can wait for kmalloc
+ * to possible sleep, this routine can be called with get_from_pool set to 0.
+ * cmd_free() MUST be called with a got_from_pool set to 0 if cmd_alloc was.
+ */
+static CommandList_struct *cmd_alloc(ctlr_info_t *h, int get_from_pool)
{
CommandList_struct *c;
- int i;
+ int i;
u64bit temp64;
dma_addr_t cmd_dma_handle, err_dma_handle;
- if (!get_from_pool)
- {
- c = (CommandList_struct *) pci_alloc_consistent(
- h->pdev, sizeof(CommandList_struct), &cmd_dma_handle);
- if(c==NULL)
- return NULL;
+ if (!get_from_pool) {
+ c = (CommandList_struct *) pci_alloc_consistent(h->pdev,
+ sizeof(CommandList_struct), &cmd_dma_handle);
+ if (c == NULL)
+ return NULL;
memset(c, 0, sizeof(CommandList_struct));
c->cmdindex = -1;
- c->err_info = (ErrorInfo_struct *)pci_alloc_consistent(
- h->pdev, sizeof(ErrorInfo_struct),
- &err_dma_handle);
-
- if (c->err_info == NULL)
- {
- pci_free_consistent(h->pdev,
+ c->err_info = (ErrorInfo_struct *)
+ pci_alloc_consistent(h->pdev, sizeof(ErrorInfo_struct),
+ &err_dma_handle);
+
+ if (c->err_info == NULL) {
+ pci_free_consistent(h->pdev,
sizeof(CommandList_struct), c, cmd_dma_handle);
return NULL;
}
memset(c->err_info, 0, sizeof(ErrorInfo_struct));
- } else /* get it out of the controllers pool */
- {
- do {
- i = find_first_zero_bit(h->cmd_pool_bits, NR_CMDS);
- if (i == NR_CMDS)
- return NULL;
- } while(test_and_set_bit(i & (BITS_PER_LONG - 1), h->cmd_pool_bits+(i/BITS_PER_LONG)) != 0);
+ } else { /* get it out of the controllers pool */
+
+ do {
+ i = find_first_zero_bit(h->cmd_pool_bits, NR_CMDS);
+ if (i == NR_CMDS)
+ return NULL;
+ } while (test_and_set_bit
+ (i & (BITS_PER_LONG - 1),
+ h->cmd_pool_bits + (i / BITS_PER_LONG)) != 0);
#ifdef CCISS_DEBUG
printk(KERN_DEBUG "cciss: using command buffer %d\n", i);
#endif
- c = h->cmd_pool + i;
+ c = h->cmd_pool + i;
memset(c, 0, sizeof(CommandList_struct));
- cmd_dma_handle = h->cmd_pool_dhandle
- + i*sizeof(CommandList_struct);
+ cmd_dma_handle = h->cmd_pool_dhandle
+ + i * sizeof(CommandList_struct);
c->err_info = h->errinfo_pool + i;
memset(c->err_info, 0, sizeof(ErrorInfo_struct));
- err_dma_handle = h->errinfo_pool_dhandle
- + i*sizeof(ErrorInfo_struct);
- h->nr_allocs++;
+ err_dma_handle = h->errinfo_pool_dhandle
+ + i * sizeof(ErrorInfo_struct);
+ h->nr_allocs++;
c->cmdindex = i;
- }
+ }
c->busaddr = (__u32) cmd_dma_handle;
- temp64.val = (__u64) err_dma_handle;
+ temp64.val = (__u64) err_dma_handle;
c->ErrDesc.Addr.lower = temp64.val32.lower;
c->ErrDesc.Addr.upper = temp64.val32.upper;
c->ErrDesc.Len = sizeof(ErrorInfo_struct);
-
- c->ctlr = h->ctlr;
- return c;
-
+ c->ctlr = h->ctlr;
+ return c;
}
-/*
- * Frees a command block that was previously allocated with cmd_alloc().
+/*
+ * Frees a command block that was previously allocated with cmd_alloc().
*/
static void cmd_free(ctlr_info_t *h, CommandList_struct *c, int got_from_pool)
{
int i;
u64bit temp64;
- if( !got_from_pool)
- {
+ if (!got_from_pool) {
temp64.val32.lower = c->ErrDesc.Addr.lower;
temp64.val32.upper = c->ErrDesc.Addr.upper;
- pci_free_consistent(h->pdev, sizeof(ErrorInfo_struct),
- c->err_info, (dma_addr_t) temp64.val);
- pci_free_consistent(h->pdev, sizeof(CommandList_struct),
- c, (dma_addr_t) c->busaddr);
- } else
- {
+ pci_free_consistent(h->pdev, sizeof(ErrorInfo_struct),
+ c->err_info, (dma_addr_t) temp64.val);
+ pci_free_consistent(h->pdev, sizeof(CommandList_struct),
+ c, (dma_addr_t) c->busaddr);
+ } else {
i = c - h->cmd_pool;
- clear_bit(i&(BITS_PER_LONG-1), h->cmd_pool_bits+(i/BITS_PER_LONG));
- h->nr_frees++;
- }
+ clear_bit(i & (BITS_PER_LONG - 1),
+ h->cmd_pool_bits + (i / BITS_PER_LONG));
+ h->nr_frees++;
+ }
}
static inline ctlr_info_t *get_host(struct gendisk *disk)
{
- return disk->queue->queuedata;
+ return disk->queue->queuedata;
}
static inline drive_info_struct *get_drv(struct gendisk *disk)
@@ -483,7 +492,7 @@ static int cciss_open(struct inode *inode, struct file *filep)
#ifdef CCISS_DEBUG
printk(KERN_DEBUG "cciss_open %s\n", inode->i_bdev->bd_disk->disk_name);
-#endif /* CCISS_DEBUG */
+#endif /* CCISS_DEBUG */
if (host->busy_initializing || drv->busy_configuring)
return -EBUSY;
@@ -496,10 +505,10 @@ static int cciss_open(struct inode *inode, struct file *filep)
* for "raw controller".
*/
if (drv->nr_blocks == 0) {
- if (iminor(inode) != 0) { /* not node 0? */
+ if (iminor(inode) != 0) { /* not node 0? */
/* if not node 0 make sure it is a partition = 0 */
if (iminor(inode) & 0x0f) {
- return -ENXIO;
+ return -ENXIO;
/* if it is, make sure we have a LUN ID */
} else if (drv->LunID == 0) {
return -ENXIO;
@@ -512,6 +521,7 @@ static int cciss_open(struct inode *inode, struct file *filep)
host->usage_count++;
return 0;
}
+
/*
* Close. Sync first.
*/
@@ -521,8 +531,9 @@ static int cciss_release(struct inode *inode, struct file *filep)
drive_info_struct *drv = get_drv(inode->i_bdev->bd_disk);
#ifdef CCISS_DEBUG
- printk(KERN_DEBUG "cciss_release %s\n", inode->i_bdev->bd_disk->disk_name);
-#endif /* CCISS_DEBUG */
+ printk(KERN_DEBUG "cciss_release %s\n",
+ inode->i_bdev->bd_disk->disk_name);
+#endif /* CCISS_DEBUG */
drv->usage_count--;
host->usage_count--;
@@ -540,8 +551,10 @@ static int do_ioctl(struct file *f, unsigned cmd, unsigned long arg)
return ret;
}
-static int cciss_ioctl32_passthru(struct file *f, unsigned cmd, unsigned long arg);
-static int cciss_ioctl32_big_passthru(struct file *f, unsigned cmd, unsigned long arg);
+static int cciss_ioctl32_passthru(struct file *f, unsigned cmd,
+ unsigned long arg);
+static int cciss_ioctl32_big_passthru(struct file *f, unsigned cmd,
+ unsigned long arg);
static long cciss_compat_ioctl(struct file *f, unsigned cmd, unsigned long arg)
{
@@ -573,19 +586,26 @@ static long cciss_compat_ioctl(struct file *f, unsigned cmd, unsigned long arg)
}
}
-static int cciss_ioctl32_passthru(struct file *f, unsigned cmd, unsigned long arg)
+static int cciss_ioctl32_passthru(struct file *f, unsigned cmd,
+ unsigned long arg)
{
IOCTL32_Command_struct __user *arg32 =
- (IOCTL32_Command_struct __user *) arg;
+ (IOCTL32_Command_struct __user *) arg;
IOCTL_Command_struct arg64;
IOCTL_Command_struct __user *p = compat_alloc_user_space(sizeof(arg64));
int err;
u32 cp;
err = 0;
- err |= copy_from_user(&arg64.LUN_info, &arg32->LUN_info, sizeof(arg64.LUN_info));
- err |= copy_from_user(&arg64.Request, &arg32->Request, sizeof(arg64.Request));
- err |= copy_from_user(&arg64.error_info, &arg32->error_info, sizeof(arg64.error_info));
+ err |=
+ copy_from_user(&arg64.LUN_info, &arg32->LUN_info,
+ sizeof(arg64.LUN_info));
+ err |=
+ copy_from_user(&arg64.Request, &arg32->Request,
+ sizeof(arg64.Request));
+ err |=
+ copy_from_user(&arg64.error_info, &arg32->error_info,
+ sizeof(arg64.error_info));
err |= get_user(arg64.buf_size, &arg32->buf_size);
err |= get_user(cp, &arg32->buf);
arg64.buf = compat_ptr(cp);
@@ -594,28 +614,38 @@ static int cciss_ioctl32_passthru(struct file *f, unsigned cmd, unsigned long ar
if (err)
return -EFAULT;
- err = do_ioctl(f, CCISS_PASSTHRU, (unsigned long) p);
+ err = do_ioctl(f, CCISS_PASSTHRU, (unsigned long)p);
if (err)
return err;
- err |= copy_in_user(&arg32->error_info, &p->error_info, sizeof(arg32->error_info));
+ err |=
+ copy_in_user(&arg32->error_info, &p->error_info,
+ sizeof(arg32->error_info));
if (err)
return -EFAULT;
return err;
}
-static int cciss_ioctl32_big_passthru(struct file *file, unsigned cmd, unsigned long arg)
+static int cciss_ioctl32_big_passthru(struct file *file, unsigned cmd,
+ unsigned long arg)
{
BIG_IOCTL32_Command_struct __user *arg32 =
- (BIG_IOCTL32_Command_struct __user *) arg;
+ (BIG_IOCTL32_Command_struct __user *) arg;
BIG_IOCTL_Command_struct arg64;
- BIG_IOCTL_Command_struct __user *p = compat_alloc_user_space(sizeof(arg64));
+ BIG_IOCTL_Command_struct __user *p =
+ compat_alloc_user_space(sizeof(arg64));
int err;
u32 cp;
err = 0;
- err |= copy_from_user(&arg64.LUN_info, &arg32->LUN_info, sizeof(arg64.LUN_info));
- err |= copy_from_user(&arg64.Request, &arg32->Request, sizeof(arg64.Request));
- err |= copy_from_user(&arg64.error_info, &arg32->error_info, sizeof(arg64.error_info));
+ err |=
+ copy_from_user(&arg64.LUN_info, &arg32->LUN_info,
+ sizeof(arg64.LUN_info));
+ err |=
+ copy_from_user(&arg64.Request, &arg32->Request,
+ sizeof(arg64.Request));
+ err |=
+ copy_from_user(&arg64.error_info, &arg32->error_info,
+ sizeof(arg64.error_info));
err |= get_user(arg64.buf_size, &arg32->buf_size);
err |= get_user(arg64.malloc_size, &arg32->malloc_size);
err |= get_user(cp, &arg32->buf);
@@ -623,12 +653,14 @@ static int cciss_ioctl32_big_passthru(struct file *file, unsigned cmd, unsigned
err |= copy_to_user(p, &arg64, sizeof(arg64));
if (err)
- return -EFAULT;
+ return -EFAULT;
- err = do_ioctl(file, CCISS_BIG_PASSTHRU, (unsigned long) p);
+ err = do_ioctl(file, CCISS_BIG_PASSTHRU, (unsigned long)p);
if (err)
return err;
- err |= copy_in_user(&arg32->error_info, &p->error_info, sizeof(arg32->error_info));
+ err |=
+ copy_in_user(&arg32->error_info, &p->error_info,
+ sizeof(arg32->error_info));
if (err)
return -EFAULT;
return err;
@@ -649,10 +681,10 @@ static int cciss_getgeo(struct block_device *bdev, struct hd_geometry *geo)
}
/*
- * ioctl
+ * ioctl
*/
-static int cciss_ioctl(struct inode *inode, struct file *filep,
- unsigned int cmd, unsigned long arg)
+static int cciss_ioctl(struct inode *inode, struct file *filep,
+ unsigned int cmd, unsigned long arg)
{
struct block_device *bdev = inode->i_bdev;
struct gendisk *disk = bdev->bd_disk;
@@ -663,171 +695,193 @@ static int cciss_ioctl(struct inode *inode, struct file *filep,
#ifdef CCISS_DEBUG
printk(KERN_DEBUG "cciss_ioctl: Called with cmd=%x %lx\n", cmd, arg);
-#endif /* CCISS_DEBUG */
-
- switch(cmd) {
+#endif /* CCISS_DEBUG */
+
+ switch (cmd) {
case CCISS_GETPCIINFO:
- {
- cciss_pci_info_struct pciinfo;
-
- if (!arg) return -EINVAL;
- pciinfo.domain = pci_domain_nr(host->pdev->bus);
- pciinfo.bus = host->pdev->bus->number;
- pciinfo.dev_fn = host->pdev->devfn;
- pciinfo.board_id = host->board_id;
- if (copy_to_user(argp, &pciinfo, sizeof( cciss_pci_info_struct )))
- return -EFAULT;
- return 0;
- }
+ {
+ cciss_pci_info_struct pciinfo;
+
+ if (!arg)
+ return -EINVAL;
+ pciinfo.domain = pci_domain_nr(host->pdev->bus);
+ pciinfo.bus = host->pdev->bus->number;
+ pciinfo.dev_fn = host->pdev->devfn;
+ pciinfo.board_id = host->board_id;
+ if (copy_to_user
+ (argp, &pciinfo, sizeof(cciss_pci_info_struct)))
+ return -EFAULT;
+ return 0;
+ }
case CCISS_GETINTINFO:
- {
- cciss_coalint_struct intinfo;
- if (!arg) return -EINVAL;
- intinfo.delay = readl(&host->cfgtable->HostWrite.CoalIntDelay);
- intinfo.count = readl(&host->cfgtable->HostWrite.CoalIntCount);
- if (copy_to_user(argp, &intinfo, sizeof( cciss_coalint_struct )))
- return -EFAULT;
- return 0;
- }
+ {
+ cciss_coalint_struct intinfo;
+ if (!arg)
+ return -EINVAL;
+ intinfo.delay =
+ readl(&host->cfgtable->HostWrite.CoalIntDelay);
+ intinfo.count =
+ readl(&host->cfgtable->HostWrite.CoalIntCount);
+ if (copy_to_user
+ (argp, &intinfo, sizeof(cciss_coalint_struct)))
+ return -EFAULT;
+ return 0;
+ }
case CCISS_SETINTINFO:
- {
- cciss_coalint_struct intinfo;
- unsigned long flags;
- int i;
-
- if (!arg) return -EINVAL;
- if (!capable(CAP_SYS_ADMIN)) return -EPERM;
- if (copy_from_user(&intinfo, argp, sizeof( cciss_coalint_struct)))
- return -EFAULT;
- if ( (intinfo.delay == 0 ) && (intinfo.count == 0))
-
{
-// printk("cciss_ioctl: delay and count cannot be 0\n");
- return -EINVAL;
+ cciss_coalint_struct intinfo;
+ unsigned long flags;
+ int i;
+
+ if (!arg)
+ return -EINVAL;
+ if (!capable(CAP_SYS_ADMIN))
+ return -EPERM;
+ if (copy_from_user
+ (&intinfo, argp, sizeof(cciss_coalint_struct)))
+ return -EFAULT;
+ if ((intinfo.delay == 0) && (intinfo.count == 0))
+ {
+// printk("cciss_ioctl: delay and count cannot be 0\n");
+ return -EINVAL;
+ }
+ spin_lock_irqsave(CCISS_LOCK(ctlr), flags);
+ /* Update the field, and then ring the doorbell */
+ writel(intinfo.delay,
+ &(host->cfgtable->HostWrite.CoalIntDelay));
+ writel(intinfo.count,
+ &(host->cfgtable->HostWrite.CoalIntCount));
+ writel(CFGTBL_ChangeReq, host->vaddr + SA5_DOORBELL);
+
+ for (i = 0; i < MAX_IOCTL_CONFIG_WAIT; i++) {
+ if (!(readl(host->vaddr + SA5_DOORBELL)
+ & CFGTBL_ChangeReq))
+ break;
+ /* delay and try again */
+ udelay(1000);
+ }
+ spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags);
+ if (i >= MAX_IOCTL_CONFIG_WAIT)
+ return -EAGAIN;
+ return 0;
}
- spin_lock_irqsave(CCISS_LOCK(ctlr), flags);
- /* Update the field, and then ring the doorbell */
- writel( intinfo.delay,
- &(host->cfgtable->HostWrite.CoalIntDelay));
- writel( intinfo.count,
- &(host->cfgtable->HostWrite.CoalIntCount));
- writel( CFGTBL_ChangeReq, host->vaddr + SA5_DOORBELL);
-
- for(i=0;i<MAX_IOCTL_CONFIG_WAIT;i++) {
- if (!(readl(host->vaddr + SA5_DOORBELL)
- & CFGTBL_ChangeReq))
- break;
- /* delay and try again */
- udelay(1000);
- }
- spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags);
- if (i >= MAX_IOCTL_CONFIG_WAIT)
- return -EAGAIN;
- return 0;
- }
case CCISS_GETNODENAME:
- {
- NodeName_type NodeName;
- int i;
-
- if (!arg) return -EINVAL;
- for(i=0;i<16;i++)
- NodeName[i] = readb(&host->cfgtable->ServerName[i]);
- if (copy_to_user(argp, NodeName, sizeof( NodeName_type)))
- return -EFAULT;
- return 0;
- }
+ {
+ NodeName_type NodeName;
+ int i;
+
+ if (!arg)
+ return -EINVAL;
+ for (i = 0; i < 16; i++)
+ NodeName[i] =
+ readb(&host->cfgtable->ServerName[i]);
+ if (copy_to_user(argp, NodeName, sizeof(NodeName_type)))
+ return -EFAULT;
+ return 0;
+ }
case CCISS_SETNODENAME:
- {
- NodeName_type NodeName;
- unsigned long flags;
- int i;
-
- if (!arg) return -EINVAL;
- if (!capable(CAP_SYS_ADMIN)) return -EPERM;
-
- if (copy_from_user(NodeName, argp, sizeof( NodeName_type)))
- return -EFAULT;
-
- spin_lock_irqsave(CCISS_LOCK(ctlr), flags);
-
- /* Update the field, and then ring the doorbell */
- for(i=0;i<16;i++)
- writeb( NodeName[i], &host->cfgtable->ServerName[i]);
-
- writel( CFGTBL_ChangeReq, host->vaddr + SA5_DOORBELL);
-
- for(i=0;i<MAX_IOCTL_CONFIG_WAIT;i++) {
- if (!(readl(host->vaddr + SA5_DOORBELL)
- & CFGTBL_ChangeReq))
- break;
- /* delay and try again */
- udelay(1000);
- }
- spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags);
- if (i >= MAX_IOCTL_CONFIG_WAIT)
- return -EAGAIN;
- return 0;
- }
+ {
+ NodeName_type NodeName;
+ unsigned long flags;
+ int i;
+
+ if (!arg)
+ return -EINVAL;
+ if (!capable(CAP_SYS_ADMIN))
+ return -EPERM;
+
+ if (copy_from_user
+ (NodeName, argp, sizeof(NodeName_type)))
+ return -EFAULT;
+
+ spin_lock_irqsave(CCISS_LOCK(ctlr), flags);
+
+ /* Update the field, and then ring the doorbell */
+ for (i = 0; i < 16; i++)
+ writeb(NodeName[i],
+ &host->cfgtable->ServerName[i]);
+
+ writel(CFGTBL_ChangeReq, host->vaddr + SA5_DOORBELL);
+
+ for (i = 0; i < MAX_IOCTL_CONFIG_WAIT; i++) {
+ if (!(readl(host->vaddr + SA5_DOORBELL)
+ & CFGTBL_ChangeReq))
+ break;
+ /* delay and try again */
+ udelay(1000);
+ }
+ spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags);
+ if (i >= MAX_IOCTL_CONFIG_WAIT)
+ return -EAGAIN;
+ return 0;
+ }
case CCISS_GETHEARTBEAT:
- {
- Heartbeat_type heartbeat;
-
- if (!arg) return -EINVAL;
- heartbeat = readl(&host->cfgtable->HeartBeat);
- if (copy_to_user(argp, &heartbeat