diff options
| -rw-r--r-- | drivers/scsi/hpsa.c | 54 |
1 files changed, 30 insertions, 24 deletions
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index ad70f3e..3c51544 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -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; |