4 * Copyright (C) Cavium networks Ltd. 2016.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
10 * * Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * * Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in
14 * the documentation and/or other materials provided with the
16 * * Neither the name of Cavium networks nor the names of its
17 * contributors may be used to endorse or promote products derived
18 * from this software without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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26 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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30 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 #ifndef __THUNDERX_NICVF_MBOX__
34 #define __THUNDERX_NICVF_MBOX__
38 #include "nicvf_plat.h"
40 /* PF <--> VF Mailbox communication
41 * Two 64bit registers are shared between PF and VF for each VF
42 * Writing into second register means end of message.
45 /* PF <--> VF mailbox communication */
46 #define NIC_PF_VF_MAILBOX_SIZE 2
47 #define NIC_MBOX_MSG_TIMEOUT 2000 /* ms */
49 /* Mailbox message types */
50 #define NIC_MBOX_MSG_INVALID 0x00 /* Invalid message */
51 #define NIC_MBOX_MSG_READY 0x01 /* Is PF ready to rcv msgs */
52 #define NIC_MBOX_MSG_ACK 0x02 /* ACK the message received */
53 #define NIC_MBOX_MSG_NACK 0x03 /* NACK the message received */
54 #define NIC_MBOX_MSG_QS_CFG 0x04 /* Configure Qset */
55 #define NIC_MBOX_MSG_RQ_CFG 0x05 /* Configure receive queue */
56 #define NIC_MBOX_MSG_SQ_CFG 0x06 /* Configure Send queue */
57 #define NIC_MBOX_MSG_RQ_DROP_CFG 0x07 /* Configure receive queue */
58 #define NIC_MBOX_MSG_SET_MAC 0x08 /* Add MAC ID to DMAC filter */
59 #define NIC_MBOX_MSG_SET_MAX_FRS 0x09 /* Set max frame size */
60 #define NIC_MBOX_MSG_CPI_CFG 0x0A /* Config CPI, RSSI */
61 #define NIC_MBOX_MSG_RSS_SIZE 0x0B /* Get RSS indir_tbl size */
62 #define NIC_MBOX_MSG_RSS_CFG 0x0C /* Config RSS table */
63 #define NIC_MBOX_MSG_RSS_CFG_CONT 0x0D /* RSS config continuation */
64 #define NIC_MBOX_MSG_RQ_BP_CFG 0x0E /* RQ backpressure config */
65 #define NIC_MBOX_MSG_RQ_SW_SYNC 0x0F /* Flush inflight pkts to RQ */
66 #define NIC_MBOX_MSG_BGX_LINK_CHANGE 0x11 /* BGX:LMAC link status */
67 #define NIC_MBOX_MSG_ALLOC_SQS 0x12 /* Allocate secondary Qset */
68 #define NIC_MBOX_MSG_LOOPBACK 0x16 /* Set interface in loopback */
69 #define NIC_MBOX_MSG_RESET_STAT_COUNTER 0x17 /* Reset statistics counters */
70 #define NIC_MBOX_MSG_CFG_DONE 0xF0 /* VF configuration done */
71 #define NIC_MBOX_MSG_SHUTDOWN 0xF1 /* VF is being shutdown */
72 #define NIC_MBOX_MSG_MAX 0x100 /* Maximum number of messages */
74 /* Get vNIC VF configuration */
81 bool loopback_supported:1;
82 uint8_t mac_addr[NICVF_MAC_ADDR_SIZE];
85 /* Qset configuration */
93 /* Receive queue configuration */
101 /* Send queue configuration */
110 /* Set VF's MAC address */
114 uint8_t mac_addr[NICVF_MAC_ADDR_SIZE];
117 /* Set Maximum frame size */
124 /* Set CPI algorithm type */
132 /* Get RSS table size */
136 uint16_t ind_tbl_size;
139 /* Set RSS configuration */
146 #define RSS_IND_TBL_LEN_PER_MBX_MSG 8
147 uint8_t ind_tbl[RSS_IND_TBL_LEN_PER_MBX_MSG];
150 /* Physical interface link status */
151 struct bgx_link_status {
158 /* Set interface in loopback mode */
159 struct set_loopback {
165 /* Reset statistics counters */
166 struct reset_stat_cfg {
168 /* Bitmap to select NIC_PF_VNIC(vf_id)_RX_STAT(0..13) */
169 uint16_t rx_stat_mask;
170 /* Bitmap to select NIC_PF_VNIC(vf_id)_TX_STAT(0..4) */
171 uint8_t tx_stat_mask;
172 /* Bitmap to select NIC_PF_QS(0..127)_RQ(0..7)_STAT(0..1)
173 * bit14, bit15 NIC_PF_QS(vf_id)_RQ7_STAT(0..1)
174 * bit12, bit13 NIC_PF_QS(vf_id)_RQ6_STAT(0..1)
176 * bit2, bit3 NIC_PF_QS(vf_id)_RQ1_STAT(0..1)
177 * bit0, bit1 NIC_PF_QS(vf_id)_RQ0_STAT(0..1)
179 uint16_t rq_stat_mask;
180 /* Bitmap to select NIC_PF_QS(0..127)_SQ(0..7)_STAT(0..1)
181 * bit14, bit15 NIC_PF_QS(vf_id)_SQ7_STAT(0..1)
182 * bit12, bit13 NIC_PF_QS(vf_id)_SQ6_STAT(0..1)
184 * bit2, bit3 NIC_PF_QS(vf_id)_SQ1_STAT(0..1)
185 * bit0, bit1 NIC_PF_QS(vf_id)_SQ0_STAT(0..1)
187 uint16_t sq_stat_mask;
191 /* 128 bit shared memory between PF and each VF */
193 struct { uint8_t msg; } msg;
194 struct nic_cfg_msg nic_cfg;
195 struct qs_cfg_msg qs;
196 struct rq_cfg_msg rq;
197 struct sq_cfg_msg sq;
198 struct set_mac_msg mac;
199 struct set_frs_msg frs;
200 struct cpi_cfg_msg cpi_cfg;
201 struct rss_sz_msg rss_size;
202 struct rss_cfg_msg rss_cfg;
203 struct bgx_link_status link_status;
204 struct set_loopback lbk;
205 struct reset_stat_cfg reset_stat;
209 NICVF_STATIC_ASSERT(sizeof(struct nic_mbx) <= 16);
211 int nicvf_handle_mbx_intr(struct nicvf *nic);
212 int nicvf_mbox_check_pf_ready(struct nicvf *nic);
213 int nicvf_mbox_qset_config(struct nicvf *nic, struct pf_qs_cfg *qs_cfg);
214 int nicvf_mbox_rq_config(struct nicvf *nic, uint16_t qidx,
215 struct pf_rq_cfg *pf_rq_cfg);
216 int nicvf_mbox_sq_config(struct nicvf *nic, uint16_t qidx);
217 int nicvf_mbox_rq_drop_config(struct nicvf *nic, uint16_t qidx, bool enable);
218 int nicvf_mbox_rq_bp_config(struct nicvf *nic, uint16_t qidx, bool enable);
219 int nicvf_mbox_set_mac_addr(struct nicvf *nic,
220 const uint8_t mac[NICVF_MAC_ADDR_SIZE]);
221 int nicvf_mbox_config_cpi(struct nicvf *nic, uint32_t qcnt);
222 int nicvf_mbox_get_rss_size(struct nicvf *nic);
223 int nicvf_mbox_config_rss(struct nicvf *nic);
224 int nicvf_mbox_update_hw_max_frs(struct nicvf *nic, uint16_t mtu);
225 int nicvf_mbox_rq_sync(struct nicvf *nic);
226 int nicvf_mbox_loopback_config(struct nicvf *nic, bool enable);
227 int nicvf_mbox_reset_stat_counters(struct nicvf *nic, uint16_t rx_stat_mask,
228 uint8_t tx_stat_mask, uint16_t rq_stat_mask, uint16_t sq_stat_mask);
229 void nicvf_mbox_shutdown(struct nicvf *nic);
230 void nicvf_mbox_cfg_done(struct nicvf *nic);
232 #endif /* __THUNDERX_NICVF_MBOX__ */