1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2016 Cavium, Inc
5 #ifndef __THUNDERX_NICVF_MBOX__
6 #define __THUNDERX_NICVF_MBOX__
10 #include "nicvf_plat.h"
11 #include "../nicvf_struct.h"
13 /* PF <--> VF Mailbox communication
14 * Two 64bit registers are shared between PF and VF for each VF
15 * Writing into second register means end of message.
18 /* PF <--> VF mailbox communication */
19 #define NIC_PF_VF_MAILBOX_SIZE 2
20 #define NIC_MBOX_MSG_TIMEOUT 2000 /* ms */
22 /* Mailbox message types */
23 #define NIC_MBOX_MSG_INVALID 0x00 /* Invalid message */
24 #define NIC_MBOX_MSG_READY 0x01 /* Is PF ready to rcv msgs */
25 #define NIC_MBOX_MSG_ACK 0x02 /* ACK the message received */
26 #define NIC_MBOX_MSG_NACK 0x03 /* NACK the message received */
27 #define NIC_MBOX_MSG_QS_CFG 0x04 /* Configure Qset */
28 #define NIC_MBOX_MSG_RQ_CFG 0x05 /* Configure receive queue */
29 #define NIC_MBOX_MSG_SQ_CFG 0x06 /* Configure Send queue */
30 #define NIC_MBOX_MSG_RQ_DROP_CFG 0x07 /* Configure receive queue */
31 #define NIC_MBOX_MSG_SET_MAC 0x08 /* Add MAC ID to DMAC filter */
32 #define NIC_MBOX_MSG_SET_MAX_FRS 0x09 /* Set max frame size */
33 #define NIC_MBOX_MSG_CPI_CFG 0x0A /* Config CPI, RSSI */
34 #define NIC_MBOX_MSG_RSS_SIZE 0x0B /* Get RSS indir_tbl size */
35 #define NIC_MBOX_MSG_RSS_CFG 0x0C /* Config RSS table */
36 #define NIC_MBOX_MSG_RSS_CFG_CONT 0x0D /* RSS config continuation */
37 #define NIC_MBOX_MSG_RQ_BP_CFG 0x0E /* RQ backpressure config */
38 #define NIC_MBOX_MSG_RQ_SW_SYNC 0x0F /* Flush inflight pkts to RQ */
39 #define NIC_MBOX_MSG_BGX_LINK_CHANGE 0x11 /* BGX:LMAC link status */
40 #define NIC_MBOX_MSG_ALLOC_SQS 0x12 /* Allocate secondary Qset */
41 #define NIC_MBOX_MSG_LOOPBACK 0x16 /* Set interface in loopback */
42 #define NIC_MBOX_MSG_RESET_STAT_COUNTER 0x17 /* Reset statistics counters */
43 #define NIC_MBOX_MSG_SET_LINK 0x21 /* Set link up/down */
44 #define NIC_MBOX_MSG_CFG_DONE 0xF0 /* VF configuration done */
45 #define NIC_MBOX_MSG_SHUTDOWN 0xF1 /* VF is being shutdown */
46 #define NIC_MBOX_MSG_MAX 0x100 /* Maximum number of messages */
48 /* Get vNIC VF configuration */
55 bool loopback_supported:1;
56 uint8_t mac_addr[NICVF_MAC_ADDR_SIZE];
59 /* Qset configuration */
67 /* Receive queue configuration */
75 /* Send queue configuration */
84 /* Set VF's MAC address */
88 uint8_t mac_addr[NICVF_MAC_ADDR_SIZE];
91 /* Set Maximum frame size */
98 /* Set CPI algorithm type */
106 /* Get RSS table size */
110 uint16_t ind_tbl_size;
113 /* Set RSS configuration */
120 #define RSS_IND_TBL_LEN_PER_MBX_MSG 8
121 uint8_t ind_tbl[RSS_IND_TBL_LEN_PER_MBX_MSG];
124 /* Physical interface link status */
125 struct bgx_link_status {
133 /* Allocate additional SQS to VF */
138 uint8_t svf[MAX_SQS_PER_VF];
141 /* Set interface in loopback mode */
142 struct set_loopback {
148 /* Reset statistics counters */
149 struct reset_stat_cfg {
151 /* Bitmap to select NIC_PF_VNIC(vf_id)_RX_STAT(0..13) */
152 uint16_t rx_stat_mask;
153 /* Bitmap to select NIC_PF_VNIC(vf_id)_TX_STAT(0..4) */
154 uint8_t tx_stat_mask;
155 /* Bitmap to select NIC_PF_QS(0..127)_RQ(0..7)_STAT(0..1)
156 * bit14, bit15 NIC_PF_QS(vf_id)_RQ7_STAT(0..1)
157 * bit12, bit13 NIC_PF_QS(vf_id)_RQ6_STAT(0..1)
159 * bit2, bit3 NIC_PF_QS(vf_id)_RQ1_STAT(0..1)
160 * bit0, bit1 NIC_PF_QS(vf_id)_RQ0_STAT(0..1)
162 uint16_t rq_stat_mask;
163 /* Bitmap to select NIC_PF_QS(0..127)_SQ(0..7)_STAT(0..1)
164 * bit14, bit15 NIC_PF_QS(vf_id)_SQ7_STAT(0..1)
165 * bit12, bit13 NIC_PF_QS(vf_id)_SQ6_STAT(0..1)
167 * bit2, bit3 NIC_PF_QS(vf_id)_SQ1_STAT(0..1)
168 * bit0, bit1 NIC_PF_QS(vf_id)_SQ0_STAT(0..1)
170 uint16_t sq_stat_mask;
173 /* Set link up/down */
174 struct set_link_state {
181 /* 128 bit shared memory between PF and each VF */
183 struct { uint8_t msg; } msg;
184 struct nic_cfg_msg nic_cfg;
185 struct qs_cfg_msg qs;
186 struct rq_cfg_msg rq;
187 struct sq_cfg_msg sq;
188 struct set_mac_msg mac;
189 struct set_frs_msg frs;
190 struct cpi_cfg_msg cpi_cfg;
191 struct rss_sz_msg rss_size;
192 struct rss_cfg_msg rss_cfg;
193 struct bgx_link_status link_status;
194 struct sqs_alloc sqs_alloc;
195 struct set_loopback lbk;
196 struct reset_stat_cfg reset_stat;
197 struct set_link_state set_link;
201 NICVF_STATIC_ASSERT(sizeof(struct nic_mbx) <= 16);
203 int nicvf_handle_mbx_intr(struct nicvf *nic);
204 int nicvf_mbox_check_pf_ready(struct nicvf *nic);
205 int nicvf_mbox_qset_config(struct nicvf *nic, struct pf_qs_cfg *qs_cfg);
206 int nicvf_mbox_request_sqs(struct nicvf *nic);
207 int nicvf_mbox_rq_config(struct nicvf *nic, uint16_t qidx,
208 struct pf_rq_cfg *pf_rq_cfg);
209 int nicvf_mbox_sq_config(struct nicvf *nic, uint16_t qidx);
210 int nicvf_mbox_rq_drop_config(struct nicvf *nic, uint16_t qidx, bool enable);
211 int nicvf_mbox_rq_bp_config(struct nicvf *nic, uint16_t qidx, bool enable);
212 int nicvf_mbox_set_mac_addr(struct nicvf *nic,
213 const uint8_t mac[NICVF_MAC_ADDR_SIZE]);
214 int nicvf_mbox_config_cpi(struct nicvf *nic, uint32_t qcnt);
215 int nicvf_mbox_get_rss_size(struct nicvf *nic);
216 int nicvf_mbox_config_rss(struct nicvf *nic);
217 int nicvf_mbox_update_hw_max_frs(struct nicvf *nic, uint16_t mtu);
218 int nicvf_mbox_rq_sync(struct nicvf *nic);
219 int nicvf_mbox_loopback_config(struct nicvf *nic, bool enable);
220 int nicvf_mbox_reset_stat_counters(struct nicvf *nic, uint16_t rx_stat_mask,
221 uint8_t tx_stat_mask, uint16_t rq_stat_mask, uint16_t sq_stat_mask);
222 int nicvf_mbox_set_link_up_down(struct nicvf *nic, bool enable);
223 void nicvf_mbox_shutdown(struct nicvf *nic);
224 void nicvf_mbox_cfg_done(struct nicvf *nic);
226 #endif /* __THUNDERX_NICVF_MBOX__ */