diff options
author | Matt Carlson <mcarlson@broadcom.com> | 2010-02-26 09:04:41 -0500 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2010-02-28 03:43:32 -0500 |
commit | b55ac1b22690d2e5b02a61cf6d69c2d66969c79d (patch) | |
tree | d336b38719dba482e2734f2091f5a60dfcb134b4 /include/linux/pci.h | |
parent | 7ad506fa1adc2da3d394c562f09b8e1b3026c402 (diff) |
pci: Add helper to find a VPD resource data type
This patch adds the pci_vpd_find_tag() helper function to find VPD
resource data types in a buffer.
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/pci.h')
-rw-r--r-- | include/linux/pci.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/pci.h b/include/linux/pci.h index 198d062640b7..e30ceea7345b 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h | |||
@@ -1395,5 +1395,17 @@ static inline u8 pci_vpd_srdt_size(const u8 *srdt) | |||
1395 | return (*srdt) & PCI_VPD_SRDT_LEN_MASK; | 1395 | return (*srdt) & PCI_VPD_SRDT_LEN_MASK; |
1396 | } | 1396 | } |
1397 | 1397 | ||
1398 | /** | ||
1399 | * pci_vpd_find_tag - Locates the Resource Data Type tag provided | ||
1400 | * @buf: Pointer to buffered vpd data | ||
1401 | * @off: The offset into the buffer at which to begin the search | ||
1402 | * @len: The length of the vpd buffer | ||
1403 | * @rdt: The Resource Data Type to search for | ||
1404 | * | ||
1405 | * Returns the index where the Resource Data Type was found or | ||
1406 | * -ENOENT otherwise. | ||
1407 | */ | ||
1408 | int pci_vpd_find_tag(const u8 *buf, unsigned int off, unsigned int len, u8 rdt); | ||
1409 | |||
1398 | #endif /* __KERNEL__ */ | 1410 | #endif /* __KERNEL__ */ |
1399 | #endif /* LINUX_PCI_H */ | 1411 | #endif /* LINUX_PCI_H */ |