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path: root/drivers/net/ethernet/intel/ixgbevf/vf.h
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Diffstat (limited to 'drivers/net/ethernet/intel/ixgbevf/vf.h')
-rw-r--r--drivers/net/ethernet/intel/ixgbevf/vf.h33
1 files changed, 32 insertions, 1 deletions
diff --git a/drivers/net/ethernet/intel/ixgbevf/vf.h b/drivers/net/ethernet/intel/ixgbevf/vf.h
index 7b1f502d1716..3061d1890471 100644
--- a/drivers/net/ethernet/intel/ixgbevf/vf.h
+++ b/drivers/net/ethernet/intel/ixgbevf/vf.h
@@ -1,7 +1,7 @@
/*******************************************************************************
Intel 82599 Virtual Function driver
- Copyright(c) 1999 - 2012 Intel Corporation.
+ Copyright(c) 1999 - 2014 Intel Corporation.
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,
@@ -172,6 +172,37 @@ struct ixgbevf_info {
const struct ixgbe_mac_operations *mac_ops;
};
+#define IXGBE_FAILED_READ_REG 0xffffffffU
+
+#define IXGBE_REMOVED(a) unlikely(!(a))
+
+static inline void ixgbe_write_reg(struct ixgbe_hw *hw, u32 reg, u32 value)
+{
+ u8 __iomem *reg_addr = ACCESS_ONCE(hw->hw_addr);
+
+ if (IXGBE_REMOVED(reg_addr))
+ return;
+ writel(value, reg_addr + reg);
+}
+#define IXGBE_WRITE_REG(h, r, v) ixgbe_write_reg(h, r, v)
+
+u32 ixgbevf_read_reg(struct ixgbe_hw *hw, u32 reg);
+#define IXGBE_READ_REG(h, r) ixgbevf_read_reg(h, r)
+
+static inline void ixgbe_write_reg_array(struct ixgbe_hw *hw, u32 reg,
+ u32 offset, u32 value)
+{
+ ixgbe_write_reg(hw, reg + (offset << 2), value);
+}
+#define IXGBE_WRITE_REG_ARRAY(h, r, o, v) ixgbe_write_reg_array(h, r, o, v)
+
+static inline u32 ixgbe_read_reg_array(struct ixgbe_hw *hw, u32 reg,
+ u32 offset)
+{
+ return ixgbevf_read_reg(hw, reg + (offset << 2));
+}
+#define IXGBE_READ_REG_ARRAY(h, r, o) ixgbe_read_reg_array(h, r, o)
+
void ixgbevf_rlpml_set_vf(struct ixgbe_hw *hw, u16 max_size);
int ixgbevf_negotiate_api_version(struct ixgbe_hw *hw, int api);
int ixgbevf_get_queues(struct ixgbe_hw *hw, unsigned int *num_tcs,