summaryrefslogtreecommitdiff
path: root/drivers/net/ethernet/intel/fm10k/fm10k_tlv.h
blob: 160bc5b78f9928f46dbb99fc2b2189d4c8956524 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright(c) 2013 - 2018 Intel Corporation. */

#ifndef _FM10K_TLV_H_
#define _FM10K_TLV_H_

/* forward declaration */
struct fm10k_msg_data;

#include "fm10k_type.h"

/* Message / Argument header format
 *    3			  2		      1			  0
 *  1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 * |	     Length	   | Flags |	      Type / ID		   |
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 *
 * The message header format described here is used for messages that are
 * passed between the PF and the VF.  To allow for messages larger then
 * mailbox size we will provide a message with the above header and it
 * will be segmented and transported to the mailbox to the other side where
 * it is reassembled.  It contains the following fields:
 * Length: Length of the message in bytes excluding the message header
 * Flags: TBD
 * Type/ID: These will be the message/argument types we pass
 */
/* message data header */
#define FM10K_TLV_ID_SHIFT		0
#define FM10K_TLV_ID_SIZE		16
#define FM10K_TLV_ID_MASK		((1u << FM10K_TLV_ID_SIZE) - 1)
#define FM10K_TLV_FLAGS_SHIFT		16
#define FM10K_TLV_FLAGS_MSG		0x1
#define FM10K_TLV_FLAGS_SIZE		4
#define FM10K_TLV_LEN_SHIFT		20
#define FM10K_TLV_LEN_SIZE		12

#define FM10K_TLV_HDR_LEN		4ul
#define FM10K_TLV_LEN_ALIGN_MASK \
	((FM10K_TLV_HDR_LEN - 1) << FM10K_TLV_LEN_SHIFT)
#define FM10K_TLV_LEN_ALIGN(tlv) \
	(((tlv) + FM10K_TLV_LEN_ALIGN_MASK) & ~FM10K_TLV_LEN_ALIGN_MASK)
#define FM10K_TLV_DWORD_LEN(tlv) \
	((u16)((FM10K_TLV_LEN_ALIGN(tlv)) >> (FM10K_TLV_LEN_SHIFT + 2)) + 1)

#define FM10K_TLV_RESULTS_MAX		32

enum fm10k_tlv_type {
	FM10K_TLV_NULL_STRING,
	FM10K_TLV_MAC_ADDR,
	FM10K_TLV_BOOL,
	FM10K_TLV_UNSIGNED,
	FM10K_TLV_SIGNED,
	FM10K_TLV_LE_STRUCT,
	FM10K_TLV_NESTED,
	FM10K_TLV_MAX_TYPE
};

#define FM10K_TLV_ERROR (~0u)

struct fm10k_tlv_attr {
	unsigned int		id;
	enum fm10k_tlv_type	type;
	u16			len;
};

#define FM10K_TLV_ATTR_NULL_STRING(id, len) { id, FM10K_TLV_NULL_STRING, len }
#define FM10K_TLV_ATTR_MAC_ADDR(id)	    { id, FM10K_TLV_MAC_ADDR, 6 }
#define FM10K_TLV_ATTR_BOOL(id)		    { id, FM10K_TLV_BOOL, 0 }
#define FM10K_TLV_ATTR_U8(id)		    { id, FM10K_TLV_UNSIGNED, 1 }
#define FM10K_TLV_ATTR_U16(id)		    { id, FM10K_TLV_UNSIGNED, 2 }
#define FM10K_TLV_ATTR_U32(id)		    { id, FM10K_TLV_UNSIGNED, 4 }
#define FM10K_TLV_ATTR_U64(id)		    { id, FM10K_TLV_UNSIGNED, 8 }
#define FM10K_TLV_ATTR_S8(id)		    { id, FM10K_TLV_SIGNED, 1 }
#define FM10K_TLV_ATTR_S16(id)		    { id, FM10K_TLV_SIGNED, 2 }
#define FM10K_TLV_ATTR_S32(id)		    { id, FM10K_TLV_SIGNED, 4 }
#define FM10K_TLV_ATTR_S64(id)		    { id, FM10K_TLV_SIGNED, 8 }
#define FM10K_TLV_ATTR_LE_STRUCT(id, len)   { id, FM10K_TLV_LE_STRUCT, len }
#define FM10K_TLV_ATTR_NESTED(id)	    { id, FM10K_TLV_NESTED }
#define FM10K_TLV_ATTR_LAST		    { FM10K_TLV_ERROR }

struct fm10k_msg_data {
	unsigned int		    id;
	const struct fm10k_tlv_attr *attr;
	s32			    (*func)(struct fm10k_hw *, u32 **,
					    struct fm10k_mbx_info *);
};

#define FM10K_MSG_HANDLER(id, attr, func) { id, attr, func }

s32 fm10k_tlv_msg_init(u32 *, u16);
s32 fm10k_tlv_attr_put_mac_vlan(u32 *, u16, const u8 *, u16);
s32 fm10k_tlv_attr_get_mac_vlan(u32 *, u8 *, u16 *);
s32 fm10k_tlv_attr_put_bool(u32 *, u16);
s32 fm10k_tlv_attr_put_value(u32 *, u16, s64, u32);
#define fm10k_tlv_attr_put_u8(msg, attr_id, val) \
		fm10k_tlv_attr_put_value(msg, attr_id, val, 1)
#define fm10k_tlv_attr_put_u16(msg, attr_id, val) \
		fm10k_tlv_attr_put_value(msg, attr_id, val, 2)
#define fm10k_tlv_attr_put_u32(msg, attr_id, val) \
		fm10k_tlv_attr_put_value(msg, attr_id, val, 4)
#define fm10k_tlv_attr_put_u64(msg, attr_id, val) \
		fm10k_tlv_attr_put_value(msg, attr_id, val, 8)
#define fm10k_tlv_attr_put_s8(msg, attr_id, val) \
		fm10k_tlv_attr_put_value(msg, attr_id, val, 1)
#define fm10k_tlv_attr_put_s16(msg, attr_id, val) \
		fm10k_tlv_attr_put_value(msg, attr_id, val, 2)
#define fm10k_tlv_attr_put_s32(msg, attr_id, val) \
		fm10k_tlv_attr_put_value(msg, attr_id, val, 4)
#define fm10k_tlv_attr_put_s64(msg, attr_id, val) \
		fm10k_tlv_attr_put_value(msg, attr_id, val, 8)
s32 fm10k_tlv_attr_get_value(u32 *, void *, u32);
#define fm10k_tlv_attr_get_u8(attr, ptr) \
		fm10k_tlv_attr_get_value(attr, ptr, sizeof(u8))
#define fm10k_tlv_attr_get_u16(attr, ptr) \
		fm10k_tlv_attr_get_value(attr, ptr, sizeof(u16))
#define fm10k_tlv_attr_get_u32(attr, ptr) \
		fm10k_tlv_attr_get_value(attr, ptr, sizeof(u32))
#define fm10k_tlv_attr_get_u64(attr, ptr) \
		fm10k_tlv_attr_get_value(attr, ptr, sizeof(u64))
#define fm10k_tlv_attr_get_s8(attr, ptr) \
		fm10k_tlv_attr_get_value(attr, ptr, sizeof(s8))
#define fm10k_tlv_attr_get_s16(attr, ptr) \
		fm10k_tlv_attr_get_value(attr, ptr, sizeof(s16))
#define fm10k_tlv_attr_get_s32(attr, ptr) \
		fm10k_tlv_attr_get_value(attr, ptr, sizeof(s32))
#define fm10k_tlv_attr_get_s64(attr, ptr) \
		fm10k_tlv_attr_get_value(attr, ptr, sizeof(s64))
s32 fm10k_tlv_attr_put_le_struct(u32 *, u16, const void *, u32);
s32 fm10k_tlv_attr_get_le_struct(u32 *, void *, u32);
s32 fm10k_tlv_msg_parse(struct fm10k_hw *, u32 *, struct fm10k_mbx_info *,
			const struct fm10k_msg_data *);
s32 fm10k_tlv_msg_error(struct fm10k_hw *hw, u32 **results,
			struct fm10k_mbx_info *);

#define FM10K_TLV_MSG_ID_TEST	0

enum fm10k_tlv_test_attr_id {
	FM10K_TEST_MSG_UNSET,
	FM10K_TEST_MSG_STRING,
	FM10K_TEST_MSG_MAC_ADDR,
	FM10K_TEST_MSG_U8,
	FM10K_TEST_MSG_U16,
	FM10K_TEST_MSG_U32,
	FM10K_TEST_MSG_U64,
	FM10K_TEST_MSG_S8,
	FM10K_TEST_MSG_S16,
	FM10K_TEST_MSG_S32,
	FM10K_TEST_MSG_S64,
	FM10K_TEST_MSG_LE_STRUCT,
	FM10K_TEST_MSG_NESTED,
	FM10K_TEST_MSG_RESULT,
	FM10K_TEST_MSG_MAX
};

extern const struct fm10k_tlv_attr fm10k_tlv_msg_test_attr[];
void fm10k_tlv_msg_test_create(u32 *, u32);
s32 fm10k_tlv_msg_test(struct fm10k_hw *, u32 **, struct fm10k_mbx_info *);

#define FM10K_TLV_MSG_TEST_HANDLER(func) \
	FM10K_MSG_HANDLER(FM10K_TLV_MSG_ID_TEST, fm10k_tlv_msg_test_attr, func)
#define FM10K_TLV_MSG_ERROR_HANDLER(func) \
	FM10K_MSG_HANDLER(FM10K_TLV_ERROR, NULL, func)
#endif /* _FM10K_MSG_H_ */