提交 4ff9a9a4 编写于 作者: M Mike Miller 提交者: Linus Torvalds

[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: NMike Miller <mike.miller@hp.com>
Acked-by: NJens Axboe <jens.axboe@oracle.com>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
上级 9d827c9e
......@@ -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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