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| author | Stephen M. Cameron <scameron@beardog.cce.hp.com> | 2010-06-16 20:51:30 +0200 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@suse.de> | 2010-07-27 19:01:58 +0200 |
| commit | a51fd47f1b8f2b9937011c433269d2ec182b9879 (patch) | |
| tree | 90e83e24c37d1aabeb23d0f77446d437ef216d84 /drivers | |
| parent | [SCSI] hpsa: make hpsa_find_memory_BAR not require the per HBA structure. (diff) | |
| download | linux-a51fd47f1b8f2b9937011c433269d2ec182b9879.tar.xz linux-a51fd47f1b8f2b9937011c433269d2ec182b9879.zip | |
[SCSI] hpsa: factor out hpsa_find_cfg_addrs.
Rationale for this is that I will also need to use this code
in fixing kdump host reset code prior to having the hba structure.
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/scsi/hpsa.c | 34 |
1 files changed, 22 insertions, 12 deletions
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index f5305a4b8b32..44f81a0ae531 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -3345,29 +3345,39 @@ static int __devinit hpsa_wait_for_board_ready(struct ctlr_info *h) return -ENODEV; } +static int __devinit hpsa_find_cfg_addrs(struct pci_dev *pdev, + void __iomem *vaddr, u32 *cfg_base_addr, u64 *cfg_base_addr_index, + u64 *cfg_offset) +{ + *cfg_base_addr = readl(vaddr + SA5_CTCFG_OFFSET); + *cfg_offset = readl(vaddr + SA5_CTMEM_OFFSET); + *cfg_base_addr &= (u32) 0x0000ffff; + *cfg_base_addr_index = find_PCI_BAR_index(pdev, *cfg_base_addr); + if (*cfg_base_addr_index == -1) { + dev_warn(&pdev->dev, "cannot find cfg_base_addr_index\n"); + return -ENODEV; + } + return 0; +} + static int __devinit hpsa_find_cfgtables(struct ctlr_info *h) { u64 cfg_offset; u32 cfg_base_addr; u64 cfg_base_addr_index; u32 trans_offset; + int rc; - /* get the address index number */ - cfg_base_addr = readl(h->vaddr + SA5_CTCFG_OFFSET); - cfg_base_addr &= (u32) 0x0000ffff; - cfg_base_addr_index = find_PCI_BAR_index(h->pdev, cfg_base_addr); - if (cfg_base_addr_index == -1) { - dev_warn(&h->pdev->dev, "cannot find cfg_base_addr_index\n"); - return -ENODEV; - } - cfg_offset = readl(h->vaddr + SA5_CTMEM_OFFSET); + rc = hpsa_find_cfg_addrs(h->pdev, h->vaddr, &cfg_base_addr, + &cfg_base_addr_index, &cfg_offset); + if (rc) + return rc; h->cfgtable = remap_pci_mem(pci_resource_start(h->pdev, - cfg_base_addr_index) + cfg_offset, - sizeof(h->cfgtable)); + cfg_base_addr_index) + cfg_offset, sizeof(*h->cfgtable)); if (!h->cfgtable) return -ENOMEM; /* Find performant mode table. */ - trans_offset = readl(&(h->cfgtable->TransMethodOffset)); + trans_offset = readl(&h->cfgtable->TransMethodOffset); h->transtable = remap_pci_mem(pci_resource_start(h->pdev, cfg_base_addr_index)+cfg_offset+trans_offset, sizeof(*h->transtable)); |