[SCSI] hpsa: factor out hpsa_enter_performant_mode
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
This commit is contained in:
parent
ec18d2abad
commit
6c311b5725
|
@ -3808,36 +3808,16 @@ static void calc_bucket_map(int bucket[], int num_buckets,
|
|||
}
|
||||
}
|
||||
|
||||
static __devinit void hpsa_put_ctlr_into_performant_mode(struct ctlr_info *h)
|
||||
static __devinit void hpsa_enter_performant_mode(struct ctlr_info *h)
|
||||
{
|
||||
u32 trans_support;
|
||||
int i;
|
||||
unsigned long register_value;
|
||||
int bft[8] = {5, 6, 8, 10, 12, 20, 28, 35}; /* for scatter/gathers */
|
||||
/* 5 = 1 s/g entry or 4k
|
||||
* 6 = 2 s/g entry or 8k
|
||||
* 8 = 4 s/g entry or 16k
|
||||
* 10 = 6 s/g entry or 24k
|
||||
*/
|
||||
int bft[8] = {5, 6, 8, 10, 12, 20, 28, 35}; /* for scatter/gathers */
|
||||
int i = 0;
|
||||
unsigned long register_value;
|
||||
|
||||
trans_support = readl(&(h->cfgtable->TransportSupport));
|
||||
if (!(trans_support & PERFORMANT_MODE))
|
||||
return;
|
||||
|
||||
h->max_commands = readl(&(h->cfgtable->MaxPerformantModeCommands));
|
||||
h->max_sg_entries = 32;
|
||||
/* Performant mode ring buffer and supporting data structures */
|
||||
h->reply_pool_size = h->max_commands * sizeof(u64);
|
||||
h->reply_pool = pci_alloc_consistent(h->pdev, h->reply_pool_size,
|
||||
&(h->reply_pool_dhandle));
|
||||
|
||||
/* Need a block fetch table for performant mode */
|
||||
h->blockFetchTable = kmalloc(((h->max_sg_entries+1) *
|
||||
sizeof(u32)), GFP_KERNEL);
|
||||
|
||||
if ((h->reply_pool == NULL)
|
||||
|| (h->blockFetchTable == NULL))
|
||||
goto clean_up;
|
||||
|
||||
h->reply_pool_wraparound = 1; /* spec: init to 1 */
|
||||
|
||||
|
@ -3867,6 +3847,32 @@ static __devinit void hpsa_put_ctlr_into_performant_mode(struct ctlr_info *h)
|
|||
" performant mode\n");
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
static __devinit void hpsa_put_ctlr_into_performant_mode(struct ctlr_info *h)
|
||||
{
|
||||
u32 trans_support;
|
||||
|
||||
trans_support = readl(&(h->cfgtable->TransportSupport));
|
||||
if (!(trans_support & PERFORMANT_MODE))
|
||||
return;
|
||||
|
||||
h->max_commands = readl(&(h->cfgtable->MaxPerformantModeCommands));
|
||||
h->max_sg_entries = 32;
|
||||
/* Performant mode ring buffer and supporting data structures */
|
||||
h->reply_pool_size = h->max_commands * sizeof(u64);
|
||||
h->reply_pool = pci_alloc_consistent(h->pdev, h->reply_pool_size,
|
||||
&(h->reply_pool_dhandle));
|
||||
|
||||
/* Need a block fetch table for performant mode */
|
||||
h->blockFetchTable = kmalloc(((h->max_sg_entries+1) *
|
||||
sizeof(u32)), GFP_KERNEL);
|
||||
|
||||
if ((h->reply_pool == NULL)
|
||||
|| (h->blockFetchTable == NULL))
|
||||
goto clean_up;
|
||||
|
||||
hpsa_enter_performant_mode(h);
|
||||
|
||||
/* Change the access methods to the performant access methods */
|
||||
h->access = SA5_performant_access;
|
||||
|
|
Loading…
Reference in a new issue