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authorMike Miller <mike.miller@hp.com>2006-12-06 20:35:00 -0800
committerLinus Torvalds <torvalds@woody.osdl.org>2006-12-07 08:39:29 -0800
commit4ff9a9a4baff2627d7bcf65d0ec07d647bc1ad29 (patch)
tree2ffc0c340d506ddcd04ae6ac214d577787f0ab10
parent9d827c9e8a9d8592167ac3fdc3a50544c86302b1 (diff)
downloadop-kernel-dev-4ff9a9a4baff2627d7bcf65d0ec07d647bc1ad29.zip
op-kernel-dev-4ff9a9a4baff2627d7bcf65d0ec07d647bc1ad29.tar.gz
[PATCH] cciss: reference driver support
Add the support to fire up on any HP RAID class device that has a valid cciss signature. Signed-off-by: Mike Miller <mike.miller@hp.com> Acked-by: Jens Axboe <jens.axboe@oracle.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
-rw-r--r--drivers/block/cciss.c30
1 files changed, 23 insertions, 7 deletions
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 0af6f35..d1f65de 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -83,6 +83,8 @@ static const struct pci_device_id cciss_pci_device_id[] = {
{PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSD, 0x103C, 0x3214},
{PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSD, 0x103C, 0x3215},
{PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSC, 0x103C, 0x3233},
+ {PCI_VENDOR_ID_HP, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
+ PCI_CLASS_STORAGE_RAID << 8, 0xffff << 8, 0},
{0,}
};
@@ -112,6 +114,7 @@ static struct board_type products[] = {
{0x3214103C, "Smart Array E200i", &SA5_access},
{0x3215103C, "Smart Array E200i", &SA5_access},
{0x3233103C, "Smart Array E500", &SA5_access},
+ {0xFFFF103C, "Unknown Smart Array", &SA5_access},
};
/* How long to wait (in milliseconds) for board to go into simple mode */
@@ -2960,13 +2963,6 @@ static int cciss_pci_init(ctlr_info_t *c, struct pci_dev *pdev)
break;
}
}
- if (i == ARRAY_SIZE(products)) {
- printk(KERN_WARNING "cciss: Sorry, I don't know how"
- " to access the Smart Array controller %08lx\n",
- (unsigned long)board_id);
- err = -ENODEV;
- goto err_out_free_res;
- }
if ((readb(&c->cfgtable->Signature[0]) != 'C') ||
(readb(&c->cfgtable->Signature[1]) != 'I') ||
(readb(&c->cfgtable->Signature[2]) != 'S') ||
@@ -2975,6 +2971,26 @@ static int cciss_pci_init(ctlr_info_t *c, struct pci_dev *pdev)
err = -ENODEV;
goto err_out_free_res;
}
+ /* We didn't find the controller in our list. We know the
+ * signature is valid. If it's an HP device let's try to
+ * bind to the device and fire it up. Otherwise we bail.
+ */
+ if (i == ARRAY_SIZE(products)) {
+ if (subsystem_vendor_id == PCI_VENDOR_ID_HP) {
+ c->product_name = products[i-1].product_name;
+ c->access = *(products[i-1].access);
+ printk(KERN_WARNING "cciss: This is an unknown "
+ "Smart Array controller.\n"
+ "cciss: Please update to the latest driver "
+ "available from www.hp.com.\n");
+ } else {
+ printk(KERN_WARNING "cciss: Sorry, I don't know how"
+ " to access the Smart Array controller %08lx\n"
+ , (unsigned long)board_id);
+ err = -ENODEV;
+ goto err_out_free_res;
+ }
+ }
#ifdef CONFIG_X86
{
/* Need to enable prefetch in the SCSI core for 6400 in x86 */
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