1 files changed, 33 insertions, 1 deletions

diff --git a/include/linux/pci.h b/include/linux/pci.h
index 6f62a499023f..198d062640b7 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -1350,7 +1350,28 @@ static inline bool pci_is_pcie(struct pci_dev *dev)
 void pci_request_acs(void);
 
 
-#define PCI_VPD_LRDT_TAG_SIZE   3
+#define PCI_VPD_LRDT                    0x80    /* Large Resource Data Type */
+#define PCI_VPD_LRDT_ID(x)              (x | PCI_VPD_LRDT)
+
+/* Large Resource Data Type Tag Item Names */
+#define PCI_VPD_LTIN_ID_STRING          0x02    /* Identifier String */
+#define PCI_VPD_LTIN_RO_DATA            0x10    /* Read-Only Data */
+#define PCI_VPD_LTIN_RW_DATA            0x11    /* Read-Write Data */
+
+#define PCI_VPD_LRDT_ID_STRING          PCI_VPD_LRDT_ID(PCI_VPD_LTIN_ID_STRING)
+#define PCI_VPD_LRDT_RO_DATA            PCI_VPD_LRDT_ID(PCI_VPD_LTIN_RO_DATA)
+#define PCI_VPD_LRDT_RW_DATA            PCI_VPD_LRDT_ID(PCI_VPD_LTIN_RW_DATA)
+
+/* Small Resource Data Type Tag Item Names */
+#define PCI_VPD_STIN_END                0x78    /* End */
+
+#define PCI_VPD_SRDT_END                PCI_VPD_STIN_END
+
+#define PCI_VPD_SRDT_TIN_MASK           0x78
+#define PCI_VPD_SRDT_LEN_MASK           0x07
+
+#define PCI_VPD_LRDT_TAG_SIZE           3
+#define PCI_VPD_SRDT_TAG_SIZE           1
 
 /**
  * pci_vpd_lrdt_size - Extracts the Large Resource Data Type length
@@ -1363,5 +1384,16 @@ static inline u16 pci_vpd_lrdt_size(const u8 *lrdt)
         return (u16)lrdt[1] + ((u16)lrdt[2] << 8);
 }
 
+/**
+ * pci_vpd_srdt_size - Extracts the Small Resource Data Type length
+ * @lrdt: Pointer to the beginning of the Small Resource Data Type tag
+ *
+ * Returns the extracted Small Resource Data Type length.
+ */
+static inline u8 pci_vpd_srdt_size(const u8 *srdt)
+{
+        return (*srdt) & PCI_VPD_SRDT_LEN_MASK;
+}
+
 #endif /* __KERNEL__ */
 #endif /* LINUX_PCI_H */