diff options
author | Matt Carlson <mcarlson@broadcom.com> | 2010-02-26 09:04:43 -0500 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2010-02-28 03:43:33 -0500 |
commit | 4067a8541d397e9d6b443dd2ce0ecb78bfd991db (patch) | |
tree | 49690419b218020b8a0e9381db2f9cc90b658cd0 /include/linux/pci.h | |
parent | e1d5bdabb94da89bdb3c3f2ee105cf61fca88ec8 (diff) |
pci: Add helper to search for VPD keywords
This patch adds the pci_vpd_find_info_keyword() helper function to
find information field keywords within read-only and read-write large
resource data type sections.
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 | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/include/linux/pci.h b/include/linux/pci.h index cfff32fc6e35..1f4a52131c99 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h | |||
@@ -1375,6 +1375,10 @@ void pci_request_acs(void); | |||
1375 | 1375 | ||
1376 | #define PCI_VPD_INFO_FLD_HDR_SIZE 3 | 1376 | #define PCI_VPD_INFO_FLD_HDR_SIZE 3 |
1377 | 1377 | ||
1378 | #define PCI_VPD_RO_KEYWORD_PARTNO "PN" | ||
1379 | #define PCI_VPD_RO_KEYWORD_MFR_ID "MN" | ||
1380 | #define PCI_VPD_RO_KEYWORD_VENDOR0 "V0" | ||
1381 | |||
1378 | /** | 1382 | /** |
1379 | * pci_vpd_lrdt_size - Extracts the Large Resource Data Type length | 1383 | * pci_vpd_lrdt_size - Extracts the Large Resource Data Type length |
1380 | * @lrdt: Pointer to the beginning of the Large Resource Data Type tag | 1384 | * @lrdt: Pointer to the beginning of the Large Resource Data Type tag |
@@ -1420,5 +1424,18 @@ static inline u8 pci_vpd_info_field_size(const u8 *info_field) | |||
1420 | */ | 1424 | */ |
1421 | int pci_vpd_find_tag(const u8 *buf, unsigned int off, unsigned int len, u8 rdt); | 1425 | int pci_vpd_find_tag(const u8 *buf, unsigned int off, unsigned int len, u8 rdt); |
1422 | 1426 | ||
1427 | /** | ||
1428 | * pci_vpd_find_info_keyword - Locates an information field keyword in the VPD | ||
1429 | * @buf: Pointer to buffered vpd data | ||
1430 | * @off: The offset into the buffer at which to begin the search | ||
1431 | * @len: The length of the buffer area, relative to off, in which to search | ||
1432 | * @kw: The keyword to search for | ||
1433 | * | ||
1434 | * Returns the index where the information field keyword was found or | ||
1435 | * -ENOENT otherwise. | ||
1436 | */ | ||
1437 | int pci_vpd_find_info_keyword(const u8 *buf, unsigned int off, | ||
1438 | unsigned int len, const char *kw); | ||
1439 | |||
1423 | #endif /* __KERNEL__ */ | 1440 | #endif /* __KERNEL__ */ |
1424 | #endif /* LINUX_PCI_H */ | 1441 | #endif /* LINUX_PCI_H */ |