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path: root/drivers/net/e1000/e1000_hw.h
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Diffstat (limited to 'drivers/net/e1000/e1000_hw.h')
-rw-r--r--drivers/net/e1000/e1000_hw.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/e1000/e1000_hw.h b/drivers/net/e1000/e1000_hw.h
index b9364b5fd76..434492cc329 100644
--- a/drivers/net/e1000/e1000_hw.h
+++ b/drivers/net/e1000/e1000_hw.h
@@ -418,6 +418,7 @@ void e1000_pci_set_mwi(struct e1000_hw *hw);
void e1000_pci_clear_mwi(struct e1000_hw *hw);
void e1000_read_pci_cfg(struct e1000_hw *hw, uint32_t reg, uint16_t * value);
void e1000_write_pci_cfg(struct e1000_hw *hw, uint32_t reg, uint16_t * value);
+int32_t e1000_read_pcie_cap_reg(struct e1000_hw *hw, uint32_t reg, uint16_t *value);
/* Port I/O is only supported on 82544 and newer */
void e1000_io_write(struct e1000_hw *hw, unsigned long port, uint32_t value);
int32_t e1000_disable_pciex_master(struct e1000_hw *hw);
@@ -2220,6 +2221,11 @@ struct e1000_host_command_info {
#define E1000_FACTPS_LAN_FUNC_SEL 0x40000000
#define E1000_FACTPS_PM_STATE_CHANGED 0x80000000
+/* PCI-Ex Config Space */
+#define PCI_EX_LINK_STATUS 0x12
+#define PCI_EX_LINK_WIDTH_MASK 0x3F0
+#define PCI_EX_LINK_WIDTH_SHIFT 4
+
/* EEPROM Commands - Microwire */
#define EEPROM_READ_OPCODE_MICROWIRE 0x6 /* EEPROM read opcode */
#define EEPROM_WRITE_OPCODE_MICROWIRE 0x5 /* EEPROM write opcode */