xref: /freebsd/sys/dev/ixgbe/ixgbe_osdep.c (revision fe75646a0234a261c0013bf1840fdac4acaf0cec)
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3   Copyright (c) 2001-2020, Intel Corporation
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32 ******************************************************************************/
33 
34 #include "ixgbe.h"
35 
36 inline u16
37 ixgbe_read_pci_cfg(struct ixgbe_hw *hw, u32 reg)
38 {
39 	return pci_read_config(((struct ixgbe_softc *)hw->back)->dev, reg, 2);
40 }
41 
42 inline void
43 ixgbe_write_pci_cfg(struct ixgbe_hw *hw, u32 reg, u16 value)
44 {
45 	pci_write_config(((struct ixgbe_softc *)hw->back)->dev, reg, value, 2);
46 }
47 
48 inline u32
49 ixgbe_read_reg(struct ixgbe_hw *hw, u32 reg)
50 {
51 	return bus_space_read_4(((struct ixgbe_softc *)hw->back)->osdep.mem_bus_space_tag,
52 	    ((struct ixgbe_softc *)hw->back)->osdep.mem_bus_space_handle, reg);
53 }
54 
55 inline void
56 ixgbe_write_reg(struct ixgbe_hw *hw, u32 reg, u32 val)
57 {
58 	bus_space_write_4(((struct ixgbe_softc *)hw->back)->osdep.mem_bus_space_tag,
59 	    ((struct ixgbe_softc *)hw->back)->osdep.mem_bus_space_handle,
60 	    reg, val);
61 }
62 
63 inline u32
64 ixgbe_read_reg_array(struct ixgbe_hw *hw, u32 reg, u32 offset)
65 {
66 	return bus_space_read_4(((struct ixgbe_softc *)hw->back)->osdep.mem_bus_space_tag,
67 	    ((struct ixgbe_softc *)hw->back)->osdep.mem_bus_space_handle,
68 	    reg + (offset << 2));
69 }
70 
71 inline void
72 ixgbe_write_reg_array(struct ixgbe_hw *hw, u32 reg, u32 offset, u32 val)
73 {
74 	bus_space_write_4(((struct ixgbe_softc *)hw->back)->osdep.mem_bus_space_tag,
75 	    ((struct ixgbe_softc *)hw->back)->osdep.mem_bus_space_handle,
76 	    reg + (offset << 2), val);
77 }
78 
79 uint64_t
80 ixgbe_link_speed_to_baudrate(ixgbe_link_speed speed)
81 {
82 	uint64_t baudrate;
83 
84 	switch (speed) {
85 	case IXGBE_LINK_SPEED_10GB_FULL:
86 		baudrate = IF_Gbps(10);
87 		break;
88 	case IXGBE_LINK_SPEED_5GB_FULL:
89 		baudrate = IF_Gbps(5);
90 		break;
91 	case IXGBE_LINK_SPEED_2_5GB_FULL:
92 		baudrate = IF_Mbps(2500);
93 		break;
94 	case IXGBE_LINK_SPEED_1GB_FULL:
95 		baudrate = IF_Gbps(1);
96 		break;
97 	case IXGBE_LINK_SPEED_100_FULL:
98 		baudrate = IF_Mbps(100);
99 		break;
100 	case IXGBE_LINK_SPEED_10_FULL:
101 		baudrate = IF_Mbps(10);
102 		break;
103 	case IXGBE_LINK_SPEED_UNKNOWN:
104 	default:
105 		baudrate = 0;
106 		break;
107 	}
108 
109 	return baudrate;
110 }
111