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 */
22enum ice_status
23ice_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 */
55u32 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		case ICE_AQ_LINK_SPEED_50GB:
125		case ICE_AQ_LINK_SPEED_100GB:
126			speed = (u32)VIRTCHNL_LINK_SPEED_40GB;
127			break;
128		default:
129			speed = (u32)VIRTCHNL_LINK_SPEED_UNKNOWN;
130			break;
131		}
132
133	return speed;
134}
135