void aac_fib_map_free(struct aac_dev *dev)
{
- pci_free_consistent(dev->pdev,
- dev->max_fib_size * (dev->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB),
- dev->hw_fib_va, dev->hw_fib_pa);
+ size_t alloc_size;
+ size_t fib_size;
+ int num_fibs;
+
+ if(!dev->hw_fib_va || !dev->max_fib_size)
+ return;
+
+ num_fibs = dev->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB;
+ fib_size = dev->max_fib_size + sizeof(struct aac_fib_xporthdr);
+ alloc_size = fib_size * num_fibs + ALIGN32 - 1;
+
+ pci_free_consistent(dev->pdev, alloc_size, dev->hw_fib_va,
+ dev->hw_fib_pa);
+
dev->hw_fib_va = NULL;
dev->hw_fib_pa = 0;
}
if (i<0)
return -ENOMEM;
- /* 32 byte alignment for PMC */
- hw_fib_pa = (dev->hw_fib_pa + (ALIGN32 - 1)) & ~(ALIGN32 - 1);
- dev->hw_fib_va = (struct hw_fib *)((unsigned char *)dev->hw_fib_va +
- (hw_fib_pa - dev->hw_fib_pa));
- dev->hw_fib_pa = hw_fib_pa;
memset(dev->hw_fib_va, 0,
(dev->max_fib_size + sizeof(struct aac_fib_xporthdr)) *
(dev->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB));
+ /* 32 byte alignment for PMC */
+ hw_fib_pa = (dev->hw_fib_pa + (ALIGN32 - 1)) & ~(ALIGN32 - 1);
+ hw_fib = (struct hw_fib *)((unsigned char *)dev->hw_fib_va +
+ (hw_fib_pa - dev->hw_fib_pa));
+
/* add Xport header */
- dev->hw_fib_va = (struct hw_fib *)((unsigned char *)dev->hw_fib_va +
+ hw_fib = (struct hw_fib *)((unsigned char *)hw_fib +
sizeof(struct aac_fib_xporthdr));
- dev->hw_fib_pa += sizeof(struct aac_fib_xporthdr);
+ hw_fib_pa += sizeof(struct aac_fib_xporthdr);
- hw_fib = dev->hw_fib_va;
- hw_fib_pa = dev->hw_fib_pa;
/*
* Initialise the fibs
*/
if (difference <= 0)
difference = 1;
set_current_state(TASK_INTERRUPTIBLE);
+
+ if (kthread_should_stop())
+ break;
+
schedule_timeout(difference);
if (kthread_should_stop())