drivers/net/ethernet/intel/fm10k/fm10k_tlv.h

   1 /* Intel Ethernet Switch Host Interface Driver
   2  * Copyright(c) 2013 - 2015 Intel Corporation.
   3  *
   4  * This program is free software; you can redistribute it and/or modify it
   5  * under the terms and conditions of the GNU General Public License,
   6  * version 2, as published by the Free Software Foundation.
   7  *
   8  * This program is distributed in the hope it will be useful, but WITHOUT
   9  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  10  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  11  * more details.
  12  *
  13  * The full GNU General Public License is included in this distribution in
  14  * the file called "COPYING".
  15  *
  16  * Contact Information:
  17  * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
  18  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  19  */
  20
  21 #ifndef _FM10K_TLV_H_
  22 #define _FM10K_TLV_H_
  23
  24 /* forward declaration */
  25 struct fm10k_msg_data;
  26
  27 #include "fm10k_type.h"
  28
  29 /* Message / Argument header format
  30  *    3                   2                   1                   0
  31  *  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
  32  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  33  * |         Length        | Flags |          Type / ID            |
  34  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  35  *
  36  * The message header format described here is used for messages that are
  37  * passed between the PF and the VF.  To allow for messages larger then
  38  * mailbox size we will provide a message with the above header and it
  39  * will be segmented and transported to the mailbox to the other side where
  40  * it is reassembled.  It contains the following fields:
  41  * Len: Length of the message in bytes excluding the message header
  42  * Flags: TBD
  43  * Rule: These will be the message/argument types we pass
  44  */
  45 /* message data header */
  46 #define FM10K_TLV_ID_SHIFT              0
  47 #define FM10K_TLV_ID_SIZE               16
  48 #define FM10K_TLV_ID_MASK               ((1u << FM10K_TLV_ID_SIZE) - 1)
  49 #define FM10K_TLV_FLAGS_SHIFT           16
  50 #define FM10K_TLV_FLAGS_MSG             0x1
  51 #define FM10K_TLV_FLAGS_SIZE            4
  52 #define FM10K_TLV_LEN_SHIFT             20
  53 #define FM10K_TLV_LEN_SIZE              12
  54
  55 #define FM10K_TLV_HDR_LEN               4ul
  56 #define FM10K_TLV_LEN_ALIGN_MASK \
  57         ((FM10K_TLV_HDR_LEN - 1) << FM10K_TLV_LEN_SHIFT)
  58 #define FM10K_TLV_LEN_ALIGN(tlv) \
  59         (((tlv) + FM10K_TLV_LEN_ALIGN_MASK) & ~FM10K_TLV_LEN_ALIGN_MASK)
  60 #define FM10K_TLV_DWORD_LEN(tlv) \
  61         ((u16)((FM10K_TLV_LEN_ALIGN(tlv)) >> (FM10K_TLV_LEN_SHIFT + 2)) + 1)
  62
  63 #define FM10K_TLV_RESULTS_MAX           32
  64
  65 enum fm10k_tlv_type {
  66         FM10K_TLV_NULL_STRING,
  67         FM10K_TLV_MAC_ADDR,
  68         FM10K_TLV_BOOL,
  69         FM10K_TLV_UNSIGNED,
  70         FM10K_TLV_SIGNED,
  71         FM10K_TLV_LE_STRUCT,
  72         FM10K_TLV_NESTED,
  73         FM10K_TLV_MAX_TYPE
  74 };
  75
  76 #define FM10K_TLV_ERROR (~0u)
  77
  78 struct fm10k_tlv_attr {
  79         unsigned int            id;
  80         enum fm10k_tlv_type     type;
  81         u16                     len;
  82 };
  83
  84 #define FM10K_TLV_ATTR_NULL_STRING(id, len) { id, FM10K_TLV_NULL_STRING, len }
  85 #define FM10K_TLV_ATTR_MAC_ADDR(id)         { id, FM10K_TLV_MAC_ADDR, 6 }
  86 #define FM10K_TLV_ATTR_BOOL(id)             { id, FM10K_TLV_BOOL, 0 }
  87 #define FM10K_TLV_ATTR_U8(id)               { id, FM10K_TLV_UNSIGNED, 1 }
  88 #define FM10K_TLV_ATTR_U16(id)              { id, FM10K_TLV_UNSIGNED, 2 }
  89 #define FM10K_TLV_ATTR_U32(id)              { id, FM10K_TLV_UNSIGNED, 4 }
  90 #define FM10K_TLV_ATTR_U64(id)              { id, FM10K_TLV_UNSIGNED, 8 }
  91 #define FM10K_TLV_ATTR_S8(id)               { id, FM10K_TLV_SIGNED, 1 }
  92 #define FM10K_TLV_ATTR_S16(id)              { id, FM10K_TLV_SIGNED, 2 }
  93 #define FM10K_TLV_ATTR_S32(id)              { id, FM10K_TLV_SIGNED, 4 }
  94 #define FM10K_TLV_ATTR_S64(id)              { id, FM10K_TLV_SIGNED, 8 }
  95 #define FM10K_TLV_ATTR_LE_STRUCT(id, len)   { id, FM10K_TLV_LE_STRUCT, len }
  96 #define FM10K_TLV_ATTR_NESTED(id)           { id, FM10K_TLV_NESTED }
  97 #define FM10K_TLV_ATTR_LAST                 { FM10K_TLV_ERROR }
  98
  99 struct fm10k_msg_data {
 100         unsigned int                id;
 101         const struct fm10k_tlv_attr *attr;
 102         s32                         (*func)(struct fm10k_hw *, u32 **,
 103                                             struct fm10k_mbx_info *);
 104 };
 105
 106 #define FM10K_MSG_HANDLER(id, attr, func) { id, attr, func }
 107
 108 s32 fm10k_tlv_msg_init(u32 *, u16);
 109 s32 fm10k_tlv_attr_put_mac_vlan(u32 *, u16, const u8 *, u16);
 110 s32 fm10k_tlv_attr_get_mac_vlan(u32 *, u8 *, u16 *);
 111 s32 fm10k_tlv_attr_put_bool(u32 *, u16);
 112 s32 fm10k_tlv_attr_put_value(u32 *, u16, s64, u32);
 113 #define fm10k_tlv_attr_put_u8(msg, attr_id, val) \
 114                 fm10k_tlv_attr_put_value(msg, attr_id, val, 1)
 115 #define fm10k_tlv_attr_put_u16(msg, attr_id, val) \
 116                 fm10k_tlv_attr_put_value(msg, attr_id, val, 2)
 117 #define fm10k_tlv_attr_put_u32(msg, attr_id, val) \
 118                 fm10k_tlv_attr_put_value(msg, attr_id, val, 4)
 119 #define fm10k_tlv_attr_put_u64(msg, attr_id, val) \
 120                 fm10k_tlv_attr_put_value(msg, attr_id, val, 8)
 121 #define fm10k_tlv_attr_put_s8(msg, attr_id, val) \
 122                 fm10k_tlv_attr_put_value(msg, attr_id, val, 1)
 123 #define fm10k_tlv_attr_put_s16(msg, attr_id, val) \
 124                 fm10k_tlv_attr_put_value(msg, attr_id, val, 2)
 125 #define fm10k_tlv_attr_put_s32(msg, attr_id, val) \
 126                 fm10k_tlv_attr_put_value(msg, attr_id, val, 4)
 127 #define fm10k_tlv_attr_put_s64(msg, attr_id, val) \
 128                 fm10k_tlv_attr_put_value(msg, attr_id, val, 8)
 129 s32 fm10k_tlv_attr_get_value(u32 *, void *, u32);
 130 #define fm10k_tlv_attr_get_u8(attr, ptr) \
 131                 fm10k_tlv_attr_get_value(attr, ptr, sizeof(u8))
 132 #define fm10k_tlv_attr_get_u16(attr, ptr) \
 133                 fm10k_tlv_attr_get_value(attr, ptr, sizeof(u16))
 134 #define fm10k_tlv_attr_get_u32(attr, ptr) \
 135                 fm10k_tlv_attr_get_value(attr, ptr, sizeof(u32))
 136 #define fm10k_tlv_attr_get_u64(attr, ptr) \
 137                 fm10k_tlv_attr_get_value(attr, ptr, sizeof(u64))
 138 #define fm10k_tlv_attr_get_s8(attr, ptr) \
 139                 fm10k_tlv_attr_get_value(attr, ptr, sizeof(s8))
 140 #define fm10k_tlv_attr_get_s16(attr, ptr) \
 141                 fm10k_tlv_attr_get_value(attr, ptr, sizeof(s16))
 142 #define fm10k_tlv_attr_get_s32(attr, ptr) \
 143                 fm10k_tlv_attr_get_value(attr, ptr, sizeof(s32))
 144 #define fm10k_tlv_attr_get_s64(attr, ptr) \
 145                 fm10k_tlv_attr_get_value(attr, ptr, sizeof(s64))
 146 s32 fm10k_tlv_attr_put_le_struct(u32 *, u16, const void *, u32);
 147 s32 fm10k_tlv_attr_get_le_struct(u32 *, void *, u32);
 148 s32 fm10k_tlv_msg_parse(struct fm10k_hw *, u32 *, struct fm10k_mbx_info *,
 149                         const struct fm10k_msg_data *);
 150 s32 fm10k_tlv_msg_error(struct fm10k_hw *hw, u32 **results,
 151                         struct fm10k_mbx_info *);
 152
 153 #define FM10K_TLV_MSG_ID_TEST   0
 154
 155 enum fm10k_tlv_test_attr_id {
 156         FM10K_TEST_MSG_UNSET,
 157         FM10K_TEST_MSG_STRING,
 158         FM10K_TEST_MSG_MAC_ADDR,
 159         FM10K_TEST_MSG_U8,
 160         FM10K_TEST_MSG_U16,
 161         FM10K_TEST_MSG_U32,
 162         FM10K_TEST_MSG_U64,
 163         FM10K_TEST_MSG_S8,
 164         FM10K_TEST_MSG_S16,
 165         FM10K_TEST_MSG_S32,
 166         FM10K_TEST_MSG_S64,
 167         FM10K_TEST_MSG_LE_STRUCT,
 168         FM10K_TEST_MSG_NESTED,
 169         FM10K_TEST_MSG_RESULT,
 170         FM10K_TEST_MSG_MAX
 171 };
 172
 173 extern const struct fm10k_tlv_attr fm10k_tlv_msg_test_attr[];
 174 void fm10k_tlv_msg_test_create(u32 *, u32);
 175 s32 fm10k_tlv_msg_test(struct fm10k_hw *, u32 **, struct fm10k_mbx_info *);
 176
 177 #define FM10K_TLV_MSG_TEST_HANDLER(func) \
 178         FM10K_MSG_HANDLER(FM10K_TLV_MSG_ID_TEST, fm10k_tlv_msg_test_attr, func)
 179 #define FM10K_TLV_MSG_ERROR_HANDLER(func) \
 180         FM10K_MSG_HANDLER(FM10K_TLV_ERROR, NULL, func)
 181 #endif /* _FM10K_MSG_H_ */