1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright (c) 2018, Intel Corporation. */
3
4 #include "ice_common.h"
5 #include "ice_adminq_cmd.h"
6 #include "ice_sriov.h"
7
8 /**
9 * ice_aq_send_msg_to_vf
10 * @hw: pointer to the hardware structure
11 * @vfid: VF ID to send msg
12 * @v_opcode: opcodes for VF-PF communication
13 * @v_retval: return error code
14 * @msg: pointer to the msg buffer
15 * @msglen: msg length
16 * @cd: pointer to command details
17 *
18 * Send message to VF driver (0x0802) using mailbox
19 * queue and asynchronously sending message via
20 * ice_sq_send_cmd() function
21 */
22 enum ice_status
23 ice_aq_send_msg_to_vf(struct ice_hw *hw, u16 vfid, u32 v_opcode, u32 v_retval,
24 u8 *msg, u16 msglen, struct ice_sq_cd *cd)
25 {
26 struct ice_aqc_pf_vf_msg *cmd;
27 struct ice_aq_desc desc;
28
29 ice_fill_dflt_direct_cmd_desc(&desc, ice_mbx_opc_send_msg_to_vf);
30
31 cmd = &desc.params.virt;
32 cmd->id = cpu_to_le32(vfid);
33
34 desc.cookie_high = cpu_to_le32(v_opcode);
35 desc.cookie_low = cpu_to_le32(v_retval);
36
37 if (msglen)
38 desc.flags |= cpu_to_le16(ICE_AQ_FLAG_RD);
39
40 return ice_sq_send_cmd(hw, &hw->mailboxq, &desc, msg, msglen, cd);
41 }
42
43 /**
44 * ice_conv_link_speed_to_virtchnl
45 * @adv_link_support: determines the format of the returned link speed
46 * @link_speed: variable containing the link_speed to be converted
47 *
48 * Convert link speed supported by HW to link speed supported by virtchnl.
49 * If adv_link_support is true, then return link speed in Mbps. Else return
50 * link speed as a VIRTCHNL_LINK_SPEED_* casted to a u32. Note that the caller
51 * needs to cast back to an enum virtchnl_link_speed in the case where
52 * adv_link_support is false, but when adv_link_support is true the caller can
53 * expect the speed in Mbps.
54 */
55 u32 ice_conv_link_speed_to_virtchnl(bool adv_link_support, u16 link_speed)
56 {
57 u32 speed;
58
59 if (adv_link_support)
60 switch (link_speed) {
61 case ICE_AQ_LINK_SPEED_10MB:
62 speed = ICE_LINK_SPEED_10MBPS;
63 break;
64 case ICE_AQ_LINK_SPEED_100MB:
65 speed = ICE_LINK_SPEED_100MBPS;
66 break;
67 case ICE_AQ_LINK_SPEED_1000MB:
68 speed = ICE_LINK_SPEED_1000MBPS;
69 break;
70 case ICE_AQ_LINK_SPEED_2500MB:
71 speed = ICE_LINK_SPEED_2500MBPS;
72 break;
73 case ICE_AQ_LINK_SPEED_5GB:
74 speed = ICE_LINK_SPEED_5000MBPS;
75 break;
76 case ICE_AQ_LINK_SPEED_10GB:
77 speed = ICE_LINK_SPEED_10000MBPS;
78 break;
79 case ICE_AQ_LINK_SPEED_20GB:
80 speed = ICE_LINK_SPEED_20000MBPS;
81 break;
82 case ICE_AQ_LINK_SPEED_25GB:
83 speed = ICE_LINK_SPEED_25000MBPS;
84 break;
85 case ICE_AQ_LINK_SPEED_40GB:
86 speed = ICE_LINK_SPEED_40000MBPS;
87 break;
88 case ICE_AQ_LINK_SPEED_50GB:
89 speed = ICE_LINK_SPEED_50000MBPS;
90 break;
91 case ICE_AQ_LINK_SPEED_100GB:
92 speed = ICE_LINK_SPEED_100000MBPS;
93 break;
94 default:
95 speed = ICE_LINK_SPEED_UNKNOWN;
96 break;
97 }
98 else
99 /* Virtchnl speeds are not defined for every speed supported in
100 * the hardware. To maintain compatibility with older AVF
101 * drivers, while reporting the speed the new speed values are
102 * resolved to the closest known virtchnl speeds
103 */
104 switch (link_speed) {
105 case ICE_AQ_LINK_SPEED_10MB:
106 case ICE_AQ_LINK_SPEED_100MB:
107 speed = (u32)VIRTCHNL_LINK_SPEED_100MB;
108 break;
109 case ICE_AQ_LINK_SPEED_1000MB:
110 case ICE_AQ_LINK_SPEED_2500MB:
111 case ICE_AQ_LINK_SPEED_5GB:
112 speed = (u32)VIRTCHNL_LINK_SPEED_1GB;
113 break;
114 case ICE_AQ_LINK_SPEED_10GB:
115 speed = (u32)VIRTCHNL_LINK_SPEED_10GB;
116 break;
117 case ICE_AQ_LINK_SPEED_20GB:
118 speed = (u32)VIRTCHNL_LINK_SPEED_20GB;
119 break;
120 case ICE_AQ_LINK_SPEED_25GB:
121 speed = (u32)VIRTCHNL_LINK_SPEED_25GB;
122 break;
123 case ICE_AQ_LINK_SPEED_40GB:
124 /* fall through */
125 case ICE_AQ_LINK_SPEED_50GB:
126 /* fall through */
127 case ICE_AQ_LINK_SPEED_100GB:
128 speed = (u32)VIRTCHNL_LINK_SPEED_40GB;
129 break;
130 default:
131 speed = (u32)VIRTCHNL_LINK_SPEED_UNKNOWN;
132 break;
133 }
134
135 return speed;
136 }