1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun /* Copyright (c) 2018, Intel Corporation. */
3*4882a593Smuzhiyun
4*4882a593Smuzhiyun #include "ice_common.h"
5*4882a593Smuzhiyun #include "ice_adminq_cmd.h"
6*4882a593Smuzhiyun #include "ice_sriov.h"
7*4882a593Smuzhiyun
8*4882a593Smuzhiyun /**
9*4882a593Smuzhiyun * ice_aq_send_msg_to_vf
10*4882a593Smuzhiyun * @hw: pointer to the hardware structure
11*4882a593Smuzhiyun * @vfid: VF ID to send msg
12*4882a593Smuzhiyun * @v_opcode: opcodes for VF-PF communication
13*4882a593Smuzhiyun * @v_retval: return error code
14*4882a593Smuzhiyun * @msg: pointer to the msg buffer
15*4882a593Smuzhiyun * @msglen: msg length
16*4882a593Smuzhiyun * @cd: pointer to command details
17*4882a593Smuzhiyun *
18*4882a593Smuzhiyun * Send message to VF driver (0x0802) using mailbox
19*4882a593Smuzhiyun * queue and asynchronously sending message via
20*4882a593Smuzhiyun * ice_sq_send_cmd() function
21*4882a593Smuzhiyun */
22*4882a593Smuzhiyun enum ice_status
ice_aq_send_msg_to_vf(struct ice_hw * hw,u16 vfid,u32 v_opcode,u32 v_retval,u8 * msg,u16 msglen,struct ice_sq_cd * cd)23*4882a593Smuzhiyun ice_aq_send_msg_to_vf(struct ice_hw *hw, u16 vfid, u32 v_opcode, u32 v_retval,
24*4882a593Smuzhiyun u8 *msg, u16 msglen, struct ice_sq_cd *cd)
25*4882a593Smuzhiyun {
26*4882a593Smuzhiyun struct ice_aqc_pf_vf_msg *cmd;
27*4882a593Smuzhiyun struct ice_aq_desc desc;
28*4882a593Smuzhiyun
29*4882a593Smuzhiyun ice_fill_dflt_direct_cmd_desc(&desc, ice_mbx_opc_send_msg_to_vf);
30*4882a593Smuzhiyun
31*4882a593Smuzhiyun cmd = &desc.params.virt;
32*4882a593Smuzhiyun cmd->id = cpu_to_le32(vfid);
33*4882a593Smuzhiyun
34*4882a593Smuzhiyun desc.cookie_high = cpu_to_le32(v_opcode);
35*4882a593Smuzhiyun desc.cookie_low = cpu_to_le32(v_retval);
36*4882a593Smuzhiyun
37*4882a593Smuzhiyun if (msglen)
38*4882a593Smuzhiyun desc.flags |= cpu_to_le16(ICE_AQ_FLAG_RD);
39*4882a593Smuzhiyun
40*4882a593Smuzhiyun return ice_sq_send_cmd(hw, &hw->mailboxq, &desc, msg, msglen, cd);
41*4882a593Smuzhiyun }
42*4882a593Smuzhiyun
43*4882a593Smuzhiyun /**
44*4882a593Smuzhiyun * ice_conv_link_speed_to_virtchnl
45*4882a593Smuzhiyun * @adv_link_support: determines the format of the returned link speed
46*4882a593Smuzhiyun * @link_speed: variable containing the link_speed to be converted
47*4882a593Smuzhiyun *
48*4882a593Smuzhiyun * Convert link speed supported by HW to link speed supported by virtchnl.
49*4882a593Smuzhiyun * If adv_link_support is true, then return link speed in Mbps. Else return
50*4882a593Smuzhiyun * link speed as a VIRTCHNL_LINK_SPEED_* casted to a u32. Note that the caller
51*4882a593Smuzhiyun * needs to cast back to an enum virtchnl_link_speed in the case where
52*4882a593Smuzhiyun * adv_link_support is false, but when adv_link_support is true the caller can
53*4882a593Smuzhiyun * expect the speed in Mbps.
54*4882a593Smuzhiyun */
ice_conv_link_speed_to_virtchnl(bool adv_link_support,u16 link_speed)55*4882a593Smuzhiyun u32 ice_conv_link_speed_to_virtchnl(bool adv_link_support, u16 link_speed)
56*4882a593Smuzhiyun {
57*4882a593Smuzhiyun u32 speed;
58*4882a593Smuzhiyun
59*4882a593Smuzhiyun if (adv_link_support)
60*4882a593Smuzhiyun switch (link_speed) {
61*4882a593Smuzhiyun case ICE_AQ_LINK_SPEED_10MB:
62*4882a593Smuzhiyun speed = ICE_LINK_SPEED_10MBPS;
63*4882a593Smuzhiyun break;
64*4882a593Smuzhiyun case ICE_AQ_LINK_SPEED_100MB:
65*4882a593Smuzhiyun speed = ICE_LINK_SPEED_100MBPS;
66*4882a593Smuzhiyun break;
67*4882a593Smuzhiyun case ICE_AQ_LINK_SPEED_1000MB:
68*4882a593Smuzhiyun speed = ICE_LINK_SPEED_1000MBPS;
69*4882a593Smuzhiyun break;
70*4882a593Smuzhiyun case ICE_AQ_LINK_SPEED_2500MB:
71*4882a593Smuzhiyun speed = ICE_LINK_SPEED_2500MBPS;
72*4882a593Smuzhiyun break;
73*4882a593Smuzhiyun case ICE_AQ_LINK_SPEED_5GB:
74*4882a593Smuzhiyun speed = ICE_LINK_SPEED_5000MBPS;
75*4882a593Smuzhiyun break;
76*4882a593Smuzhiyun case ICE_AQ_LINK_SPEED_10GB:
77*4882a593Smuzhiyun speed = ICE_LINK_SPEED_10000MBPS;
78*4882a593Smuzhiyun break;
79*4882a593Smuzhiyun case ICE_AQ_LINK_SPEED_20GB:
80*4882a593Smuzhiyun speed = ICE_LINK_SPEED_20000MBPS;
81*4882a593Smuzhiyun break;
82*4882a593Smuzhiyun case ICE_AQ_LINK_SPEED_25GB:
83*4882a593Smuzhiyun speed = ICE_LINK_SPEED_25000MBPS;
84*4882a593Smuzhiyun break;
85*4882a593Smuzhiyun case ICE_AQ_LINK_SPEED_40GB:
86*4882a593Smuzhiyun speed = ICE_LINK_SPEED_40000MBPS;
87*4882a593Smuzhiyun break;
88*4882a593Smuzhiyun case ICE_AQ_LINK_SPEED_50GB:
89*4882a593Smuzhiyun speed = ICE_LINK_SPEED_50000MBPS;
90*4882a593Smuzhiyun break;
91*4882a593Smuzhiyun case ICE_AQ_LINK_SPEED_100GB:
92*4882a593Smuzhiyun speed = ICE_LINK_SPEED_100000MBPS;
93*4882a593Smuzhiyun break;
94*4882a593Smuzhiyun default:
95*4882a593Smuzhiyun speed = ICE_LINK_SPEED_UNKNOWN;
96*4882a593Smuzhiyun break;
97*4882a593Smuzhiyun }
98*4882a593Smuzhiyun else
99*4882a593Smuzhiyun /* Virtchnl speeds are not defined for every speed supported in
100*4882a593Smuzhiyun * the hardware. To maintain compatibility with older AVF
101*4882a593Smuzhiyun * drivers, while reporting the speed the new speed values are
102*4882a593Smuzhiyun * resolved to the closest known virtchnl speeds
103*4882a593Smuzhiyun */
104*4882a593Smuzhiyun switch (link_speed) {
105*4882a593Smuzhiyun case ICE_AQ_LINK_SPEED_10MB:
106*4882a593Smuzhiyun case ICE_AQ_LINK_SPEED_100MB:
107*4882a593Smuzhiyun speed = (u32)VIRTCHNL_LINK_SPEED_100MB;
108*4882a593Smuzhiyun break;
109*4882a593Smuzhiyun case ICE_AQ_LINK_SPEED_1000MB:
110*4882a593Smuzhiyun case ICE_AQ_LINK_SPEED_2500MB:
111*4882a593Smuzhiyun case ICE_AQ_LINK_SPEED_5GB:
112*4882a593Smuzhiyun speed = (u32)VIRTCHNL_LINK_SPEED_1GB;
113*4882a593Smuzhiyun break;
114*4882a593Smuzhiyun case ICE_AQ_LINK_SPEED_10GB:
115*4882a593Smuzhiyun speed = (u32)VIRTCHNL_LINK_SPEED_10GB;
116*4882a593Smuzhiyun break;
117*4882a593Smuzhiyun case ICE_AQ_LINK_SPEED_20GB:
118*4882a593Smuzhiyun speed = (u32)VIRTCHNL_LINK_SPEED_20GB;
119*4882a593Smuzhiyun break;
120*4882a593Smuzhiyun case ICE_AQ_LINK_SPEED_25GB:
121*4882a593Smuzhiyun speed = (u32)VIRTCHNL_LINK_SPEED_25GB;
122*4882a593Smuzhiyun break;
123*4882a593Smuzhiyun case ICE_AQ_LINK_SPEED_40GB:
124*4882a593Smuzhiyun case ICE_AQ_LINK_SPEED_50GB:
125*4882a593Smuzhiyun case ICE_AQ_LINK_SPEED_100GB:
126*4882a593Smuzhiyun speed = (u32)VIRTCHNL_LINK_SPEED_40GB;
127*4882a593Smuzhiyun break;
128*4882a593Smuzhiyun default:
129*4882a593Smuzhiyun speed = (u32)VIRTCHNL_LINK_SPEED_UNKNOWN;
130*4882a593Smuzhiyun break;
131*4882a593Smuzhiyun }
132*4882a593Smuzhiyun
133*4882a593Smuzhiyun return speed;
134*4882a593Smuzhiyun }
135