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,
25 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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"
39 #include "../nicvf_struct.h"
41 /* PF <--> VF Mailbox communication
42 * Two 64bit registers are shared between PF and VF for each VF
43 * Writing into second register means end of message.
46 /* PF <--> VF mailbox communication */
47 #define NIC_PF_VF_MAILBOX_SIZE 2
48 #define NIC_MBOX_MSG_TIMEOUT 2000 /* ms */
50 /* Mailbox message types */
51 #define NIC_MBOX_MSG_INVALID 0x00 /* Invalid message */
52 #define NIC_MBOX_MSG_READY 0x01 /* Is PF ready to rcv msgs */
53 #define NIC_MBOX_MSG_ACK 0x02 /* ACK the message received */
54 #define NIC_MBOX_MSG_NACK 0x03 /* NACK the message received */
55 #define NIC_MBOX_MSG_QS_CFG 0x04 /* Configure Qset */
56 #define NIC_MBOX_MSG_RQ_CFG 0x05 /* Configure receive queue */
57 #define NIC_MBOX_MSG_SQ_CFG 0x06 /* Configure Send queue */
58 #define NIC_MBOX_MSG_RQ_DROP_CFG 0x07 /* Configure receive queue */
59 #define NIC_MBOX_MSG_SET_MAC 0x08 /* Add MAC ID to DMAC filter */
60 #define NIC_MBOX_MSG_SET_MAX_FRS 0x09 /* Set max frame size */
61 #define NIC_MBOX_MSG_CPI_CFG 0x0A /* Config CPI, RSSI */
62 #define NIC_MBOX_MSG_RSS_SIZE 0x0B /* Get RSS indir_tbl size */
63 #define NIC_MBOX_MSG_RSS_CFG 0x0C /* Config RSS table */
64 #define NIC_MBOX_MSG_RSS_CFG_CONT 0x0D /* RSS config continuation */
65 #define NIC_MBOX_MSG_RQ_BP_CFG 0x0E /* RQ backpressure config */
66 #define NIC_MBOX_MSG_RQ_SW_SYNC 0x0F /* Flush inflight pkts to RQ */
67 #define NIC_MBOX_MSG_BGX_LINK_CHANGE 0x11 /* BGX:LMAC link status */
68 #define NIC_MBOX_MSG_ALLOC_SQS 0x12 /* Allocate secondary Qset */
69 #define NIC_MBOX_MSG_LOOPBACK 0x16 /* Set interface in loopback */
70 #define NIC_MBOX_MSG_RESET_STAT_COUNTER 0x17 /* Reset statistics counters */
71 #define NIC_MBOX_MSG_CFG_DONE 0x7E /* VF configuration done */
72 #define NIC_MBOX_MSG_SHUTDOWN 0x7F /* VF is being shutdown */
73 #define NIC_MBOX_MSG_RES_BIT 0x80 /* Reset bit from PF */
74 #define NIC_MBOX_MSG_MAX 0x100 /* Maximum number of messages */
76 #define NIC_MBOX_MSG_RSS_SIZE_RES_BIT \
77 (NIC_MBOX_MSG_RSS_SIZE | NIC_MBOX_MSG_RES_BIT)
78 #define NIC_MBOX_MSG_ALLOC_SQS_RES_BIT \
79 (NIC_MBOX_MSG_ALLOC_SQS | NIC_MBOX_MSG_RES_BIT)
81 /* Get vNIC VF configuration */
88 bool loopback_supported:1;
89 uint8_t mac_addr[NICVF_MAC_ADDR_SIZE];
92 /* Qset configuration */
100 /* Receive queue configuration */
108 /* Send queue configuration */
117 /* Set VF's MAC address */
121 uint8_t mac_addr[NICVF_MAC_ADDR_SIZE];
124 /* Set Maximum frame size */
131 /* Set CPI algorithm type */
139 /* Get RSS table size */
143 uint16_t ind_tbl_size;
146 /* Set RSS configuration */
153 #define RSS_IND_TBL_LEN_PER_MBX_MSG 8
154 uint8_t ind_tbl[RSS_IND_TBL_LEN_PER_MBX_MSG];
157 /* Physical interface link status */
158 struct bgx_link_status {
165 /* Allocate additional SQS to VF */
170 uint8_t svf[MAX_SQS_PER_VF];
173 /* Set interface in loopback mode */
174 struct set_loopback {
180 /* Reset statistics counters */
181 struct reset_stat_cfg {
183 /* Bitmap to select NIC_PF_VNIC(vf_id)_RX_STAT(0..13) */
184 uint16_t rx_stat_mask;
185 /* Bitmap to select NIC_PF_VNIC(vf_id)_TX_STAT(0..4) */
186 uint8_t tx_stat_mask;
187 /* Bitmap to select NIC_PF_QS(0..127)_RQ(0..7)_STAT(0..1)
188 * bit14, bit15 NIC_PF_QS(vf_id)_RQ7_STAT(0..1)
189 * bit12, bit13 NIC_PF_QS(vf_id)_RQ6_STAT(0..1)
191 * bit2, bit3 NIC_PF_QS(vf_id)_RQ1_STAT(0..1)
192 * bit0, bit1 NIC_PF_QS(vf_id)_RQ0_STAT(0..1)
194 uint16_t rq_stat_mask;
195 /* Bitmap to select NIC_PF_QS(0..127)_SQ(0..7)_STAT(0..1)
196 * bit14, bit15 NIC_PF_QS(vf_id)_SQ7_STAT(0..1)
197 * bit12, bit13 NIC_PF_QS(vf_id)_SQ6_STAT(0..1)
199 * bit2, bit3 NIC_PF_QS(vf_id)_SQ1_STAT(0..1)
200 * bit0, bit1 NIC_PF_QS(vf_id)_SQ0_STAT(0..1)
202 uint16_t sq_stat_mask;
206 /* 128 bit shared memory between PF and each VF */
208 struct { uint8_t msg; } msg;
209 struct nic_cfg_msg nic_cfg;
210 struct qs_cfg_msg qs;
211 struct rq_cfg_msg rq;
212 struct sq_cfg_msg sq;
213 struct set_mac_msg mac;
214 struct set_frs_msg frs;
215 struct cpi_cfg_msg cpi_cfg;
216 struct rss_sz_msg rss_size;
217 struct rss_cfg_msg rss_cfg;
218 struct bgx_link_status link_status;
219 struct sqs_alloc sqs_alloc;
220 struct set_loopback lbk;
221 struct reset_stat_cfg reset_stat;
225 NICVF_STATIC_ASSERT(sizeof(struct nic_mbx) <= 16);
227 int nicvf_handle_mbx_intr(struct nicvf *nic);
228 int nicvf_mbox_check_pf_ready(struct nicvf *nic);
229 int nicvf_mbox_qset_config(struct nicvf *nic, struct pf_qs_cfg *qs_cfg);
230 int nicvf_mbox_request_sqs(struct nicvf *nic);
231 int nicvf_mbox_rq_config(struct nicvf *nic, uint16_t qidx,
232 struct pf_rq_cfg *pf_rq_cfg);
233 int nicvf_mbox_sq_config(struct nicvf *nic, uint16_t qidx);
234 int nicvf_mbox_rq_drop_config(struct nicvf *nic, uint16_t qidx, bool enable);
235 int nicvf_mbox_rq_bp_config(struct nicvf *nic, uint16_t qidx, bool enable);
236 int nicvf_mbox_set_mac_addr(struct nicvf *nic,
237 const uint8_t mac[NICVF_MAC_ADDR_SIZE]);
238 int nicvf_mbox_config_cpi(struct nicvf *nic, uint32_t qcnt);
239 int nicvf_mbox_get_rss_size(struct nicvf *nic);
240 int nicvf_mbox_config_rss(struct nicvf *nic);
241 int nicvf_mbox_update_hw_max_frs(struct nicvf *nic, uint16_t mtu);
242 int nicvf_mbox_rq_sync(struct nicvf *nic);
243 int nicvf_mbox_loopback_config(struct nicvf *nic, bool enable);
244 int nicvf_mbox_reset_stat_counters(struct nicvf *nic, uint16_t rx_stat_mask,
245 uint8_t tx_stat_mask, uint16_t rq_stat_mask, uint16_t sq_stat_mask);
246 void nicvf_mbox_shutdown(struct nicvf *nic);
247 void nicvf_mbox_cfg_done(struct nicvf *nic);
249 #endif /* __THUNDERX_NICVF_MBOX__ */