From: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
---
drivers/block/cciss.c | 66 ++++++++++++++++++++++++-------------------------
1 files changed, 32 insertions(+), 34 deletions(-)
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 14380c4..5ff5a1d 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -1262,6 +1262,37 @@ static int cciss_getintinfo(ctlr_info_t *h, void __user *argp)
return 0;
}
+static int cciss_setintinfo(ctlr_info_t *h, void __user *argp)
+{
+ cciss_coalint_struct intinfo;
+ unsigned long flags;
+ int i;
+
+ if (!argp)
+ return -EINVAL;
+ if (!capable(CAP_SYS_ADMIN))
+ return -EPERM;
+ if (copy_from_user(&intinfo, argp, sizeof(intinfo)))
+ return -EFAULT;
+ if ((intinfo.delay == 0) && (intinfo.count == 0))
+ return -EINVAL;
+ spin_lock_irqsave(&h->lock, flags);
+ /* Update the field, and then ring the doorbell */
+ writel(intinfo.delay, &(h->cfgtable->HostWrite.CoalIntDelay));
+ writel(intinfo.count, &(h->cfgtable->HostWrite.CoalIntCount));
+ writel(CFGTBL_ChangeReq, h->vaddr + SA5_DOORBELL);
+
+ for (i = 0; i < MAX_IOCTL_CONFIG_WAIT; i++) {
+ if (!(readl(h->vaddr + SA5_DOORBELL) & CFGTBL_ChangeReq))
+ break;
+ udelay(1000); /* delay and try again */
+ }
+ spin_unlock_irqrestore(&h->lock, flags);
+ if (i >= MAX_IOCTL_CONFIG_WAIT)
+ return -EAGAIN;
+ return 0;
+}
+
static int cciss_ioctl(struct block_device *bdev, fmode_t mode,
unsigned int cmd, unsigned long arg)
{
@@ -1278,40 +1309,7 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode,
case CCISS_GETINTINFO:
return cciss_getintinfo(h, argp);
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))
- return -EINVAL;
- spin_lock_irqsave(&h->lock, flags);
- /* Update the field, and then ring the doorbell */
- writel(intinfo.delay,
- &(h->cfgtable->HostWrite.CoalIntDelay));
- writel(intinfo.count,
- &(h->cfgtable->HostWrite.CoalIntCount));
- writel(CFGTBL_ChangeReq, h->vaddr + SA5_DOORBELL);
-
- for (i = 0; i < MAX_IOCTL_CONFIG_WAIT; i++) {
- if (!(readl(h->vaddr + SA5_DOORBELL)
- & CFGTBL_ChangeReq))
- break;
- /* delay and try again */
- udelay(1000);
- }
- spin_unlock_irqrestore(&h->lock, flags);
- if (i >= MAX_IOCTL_CONFIG_WAIT)
- return -EAGAIN;
- return 0;
- }
+ return cciss_setintinfo(h, argp);
case CCISS_GETNODENAME:
{
NodeName_type NodeName;
--
