--- /dev/null
+/*
+ * BSD LICENSE
+ *
+ * Copyright (C) Cavium networks Ltd. 2016.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Cavium networks nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __THUNDERX_NICVF_MBOX__
+#define __THUNDERX_NICVF_MBOX__
+
+#include <stdint.h>
+
+#include "nicvf_plat.h"
+
+/* PF <--> VF Mailbox communication
+ * Two 64bit registers are shared between PF and VF for each VF
+ * Writing into second register means end of message.
+ */
+
+/* PF <--> VF mailbox communication */
+#define NIC_PF_VF_MAILBOX_SIZE 2
+#define NIC_MBOX_MSG_TIMEOUT 2000 /* ms */
+
+/* Mailbox message types */
+#define NIC_MBOX_MSG_INVALID 0x00 /* Invalid message */
+#define NIC_MBOX_MSG_READY 0x01 /* Is PF ready to rcv msgs */
+#define NIC_MBOX_MSG_ACK 0x02 /* ACK the message received */
+#define NIC_MBOX_MSG_NACK 0x03 /* NACK the message received */
+#define NIC_MBOX_MSG_QS_CFG 0x04 /* Configure Qset */
+#define NIC_MBOX_MSG_RQ_CFG 0x05 /* Configure receive queue */
+#define NIC_MBOX_MSG_SQ_CFG 0x06 /* Configure Send queue */
+#define NIC_MBOX_MSG_RQ_DROP_CFG 0x07 /* Configure receive queue */
+#define NIC_MBOX_MSG_SET_MAC 0x08 /* Add MAC ID to DMAC filter */
+#define NIC_MBOX_MSG_SET_MAX_FRS 0x09 /* Set max frame size */
+#define NIC_MBOX_MSG_CPI_CFG 0x0A /* Config CPI, RSSI */
+#define NIC_MBOX_MSG_RSS_SIZE 0x0B /* Get RSS indir_tbl size */
+#define NIC_MBOX_MSG_RSS_CFG 0x0C /* Config RSS table */
+#define NIC_MBOX_MSG_RSS_CFG_CONT 0x0D /* RSS config continuation */
+#define NIC_MBOX_MSG_RQ_BP_CFG 0x0E /* RQ backpressure config */
+#define NIC_MBOX_MSG_RQ_SW_SYNC 0x0F /* Flush inflight pkts to RQ */
+#define NIC_MBOX_MSG_BGX_LINK_CHANGE 0x11 /* BGX:LMAC link status */
+#define NIC_MBOX_MSG_ALLOC_SQS 0x12 /* Allocate secondary Qset */
+#define NIC_MBOX_MSG_LOOPBACK 0x16 /* Set interface in loopback */
+#define NIC_MBOX_MSG_RESET_STAT_COUNTER 0x17 /* Reset statistics counters */
+#define NIC_MBOX_MSG_CFG_DONE 0xF0 /* VF configuration done */
+#define NIC_MBOX_MSG_SHUTDOWN 0xF1 /* VF is being shutdown */
+#define NIC_MBOX_MSG_MAX 0x100 /* Maximum number of messages */
+
+/* Get vNIC VF configuration */
+struct nic_cfg_msg {
+ uint8_t msg;
+ uint8_t vf_id;
+ uint8_t node_id;
+ bool tns_mode:1;
+ bool sqs_mode:1;
+ bool loopback_supported:1;
+ uint8_t mac_addr[NICVF_MAC_ADDR_SIZE];
+};
+
+/* Qset configuration */
+struct qs_cfg_msg {
+ uint8_t msg;
+ uint8_t num;
+ uint8_t sqs_count;
+ uint64_t cfg;
+};
+
+/* Receive queue configuration */
+struct rq_cfg_msg {
+ uint8_t msg;
+ uint8_t qs_num;
+ uint8_t rq_num;
+ uint64_t cfg;
+};
+
+/* Send queue configuration */
+struct sq_cfg_msg {
+ uint8_t msg;
+ uint8_t qs_num;
+ uint8_t sq_num;
+ bool sqs_mode;
+ uint64_t cfg;
+};
+
+/* Set VF's MAC address */
+struct set_mac_msg {
+ uint8_t msg;
+ uint8_t vf_id;
+ uint8_t mac_addr[NICVF_MAC_ADDR_SIZE];
+};
+
+/* Set Maximum frame size */
+struct set_frs_msg {
+ uint8_t msg;
+ uint8_t vf_id;
+ uint16_t max_frs;
+};
+
+/* Set CPI algorithm type */
+struct cpi_cfg_msg {
+ uint8_t msg;
+ uint8_t vf_id;
+ uint8_t rq_cnt;
+ uint8_t cpi_alg;
+};
+
+/* Get RSS table size */
+struct rss_sz_msg {
+ uint8_t msg;
+ uint8_t vf_id;
+ uint16_t ind_tbl_size;
+};
+
+/* Set RSS configuration */
+struct rss_cfg_msg {
+ uint8_t msg;
+ uint8_t vf_id;
+ uint8_t hash_bits;
+ uint8_t tbl_len;
+ uint8_t tbl_offset;
+#define RSS_IND_TBL_LEN_PER_MBX_MSG 8
+ uint8_t ind_tbl[RSS_IND_TBL_LEN_PER_MBX_MSG];
+};
+
+/* Physical interface link status */
+struct bgx_link_status {
+ uint8_t msg;
+ uint8_t link_up;
+ uint8_t duplex;
+ uint32_t speed;
+};
+
+/* Set interface in loopback mode */
+struct set_loopback {
+ uint8_t msg;
+ uint8_t vf_id;
+ bool enable;
+};
+
+/* Reset statistics counters */
+struct reset_stat_cfg {
+ uint8_t msg;
+ /* Bitmap to select NIC_PF_VNIC(vf_id)_RX_STAT(0..13) */
+ uint16_t rx_stat_mask;
+ /* Bitmap to select NIC_PF_VNIC(vf_id)_TX_STAT(0..4) */
+ uint8_t tx_stat_mask;
+ /* Bitmap to select NIC_PF_QS(0..127)_RQ(0..7)_STAT(0..1)
+ * bit14, bit15 NIC_PF_QS(vf_id)_RQ7_STAT(0..1)
+ * bit12, bit13 NIC_PF_QS(vf_id)_RQ6_STAT(0..1)
+ * ..
+ * bit2, bit3 NIC_PF_QS(vf_id)_RQ1_STAT(0..1)
+ * bit0, bit1 NIC_PF_QS(vf_id)_RQ0_STAT(0..1)
+ */
+ uint16_t rq_stat_mask;
+ /* Bitmap to select NIC_PF_QS(0..127)_SQ(0..7)_STAT(0..1)
+ * bit14, bit15 NIC_PF_QS(vf_id)_SQ7_STAT(0..1)
+ * bit12, bit13 NIC_PF_QS(vf_id)_SQ6_STAT(0..1)
+ * ..
+ * bit2, bit3 NIC_PF_QS(vf_id)_SQ1_STAT(0..1)
+ * bit0, bit1 NIC_PF_QS(vf_id)_SQ0_STAT(0..1)
+ */
+ uint16_t sq_stat_mask;
+};
+
+struct nic_mbx {
+/* 128 bit shared memory between PF and each VF */
+union {
+ struct { uint8_t msg; } msg;
+ struct nic_cfg_msg nic_cfg;
+ struct qs_cfg_msg qs;
+ struct rq_cfg_msg rq;
+ struct sq_cfg_msg sq;
+ struct set_mac_msg mac;
+ struct set_frs_msg frs;
+ struct cpi_cfg_msg cpi_cfg;
+ struct rss_sz_msg rss_size;
+ struct rss_cfg_msg rss_cfg;
+ struct bgx_link_status link_status;
+ struct set_loopback lbk;
+ struct reset_stat_cfg reset_stat;
+};
+};
+
+NICVF_STATIC_ASSERT(sizeof(struct nic_mbx) <= 16);
+
+int nicvf_handle_mbx_intr(struct nicvf *nic);
+int nicvf_mbox_check_pf_ready(struct nicvf *nic);
+int nicvf_mbox_qset_config(struct nicvf *nic, struct pf_qs_cfg *qs_cfg);
+int nicvf_mbox_rq_config(struct nicvf *nic, uint16_t qidx,
+ struct pf_rq_cfg *pf_rq_cfg);
+int nicvf_mbox_sq_config(struct nicvf *nic, uint16_t qidx);
+int nicvf_mbox_rq_drop_config(struct nicvf *nic, uint16_t qidx, bool enable);
+int nicvf_mbox_rq_bp_config(struct nicvf *nic, uint16_t qidx, bool enable);
+int nicvf_mbox_set_mac_addr(struct nicvf *nic,
+ const uint8_t mac[NICVF_MAC_ADDR_SIZE]);
+int nicvf_mbox_config_cpi(struct nicvf *nic, uint32_t qcnt);
+int nicvf_mbox_get_rss_size(struct nicvf *nic);
+int nicvf_mbox_config_rss(struct nicvf *nic);
+int nicvf_mbox_update_hw_max_frs(struct nicvf *nic, uint16_t mtu);
+int nicvf_mbox_rq_sync(struct nicvf *nic);
+int nicvf_mbox_loopback_config(struct nicvf *nic, bool enable);
+int nicvf_mbox_reset_stat_counters(struct nicvf *nic, uint16_t rx_stat_mask,
+ uint8_t tx_stat_mask, uint16_t rq_stat_mask, uint16_t sq_stat_mask);
+void nicvf_mbox_shutdown(struct nicvf *nic);
+void nicvf_mbox_cfg_done(struct nicvf *nic);
+
+#endif /* __THUNDERX_NICVF_MBOX__ */
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