numam-dpdk/drivers/net/mana/mana.h

/* SPDX-License-Identifier: BSD-3-Clause
 * Copyright 2022 Microsoft Corporation
 */

#ifndef __MANA_H__
#define __MANA_H__

#define	PCI_VENDOR_ID_MICROSOFT		0x1414
#define PCI_DEVICE_ID_MICROSOFT_MANA	0x00ba

/* Shared data between primary/secondary processes */
struct mana_shared_data {
	rte_spinlock_t lock;
	int init_done;
	unsigned int primary_cnt;
	unsigned int secondary_cnt;
};

struct mana_process_priv {
	void *db_page;
};

struct mana_priv {
	struct rte_eth_dev_data *dev_data;
	struct mana_process_priv *process_priv;
	int num_queues;

	/* DPDK port */
	uint16_t port_id;

	/* IB device port */
	uint8_t dev_port;

	struct ibv_context *ib_ctx;
	struct ibv_pd *ib_pd;
	struct ibv_pd *ib_parent_pd;
	void *db_page;
	int max_rx_queues;
	int max_tx_queues;
	int max_rx_desc;
	int max_tx_desc;
	int max_send_sge;
	int max_recv_sge;
	int max_mr;
	uint64_t max_mr_size;
};

extern int mana_logtype_driver;
extern int mana_logtype_init;

#define DRV_LOG(level, fmt, args...) \
	rte_log(RTE_LOG_ ## level, mana_logtype_driver, "%s(): " fmt "\n", \
		__func__, ## args)

#define PMD_INIT_LOG(level, fmt, args...) \
	rte_log(RTE_LOG_ ## level, mana_logtype_init, "%s(): " fmt "\n",\
		__func__, ## args)

#define PMD_INIT_FUNC_TRACE() PMD_INIT_LOG(DEBUG, " >>")

uint16_t mana_rx_burst_removed(void *dpdk_rxq, struct rte_mbuf **pkts,
			       uint16_t pkts_n);

uint16_t mana_tx_burst_removed(void *dpdk_rxq, struct rte_mbuf **pkts,
			       uint16_t pkts_n);

/** Request timeout for IPC. */
#define MANA_MP_REQ_TIMEOUT_SEC 5

/* Request types for IPC. */
enum mana_mp_req_type {
	MANA_MP_REQ_VERBS_CMD_FD = 1,
	MANA_MP_REQ_CREATE_MR,
	MANA_MP_REQ_START_RXTX,
	MANA_MP_REQ_STOP_RXTX,
};

/* Pameters for IPC. */
struct mana_mp_param {
	enum mana_mp_req_type type;
	int port_id;
	int result;

	/* MANA_MP_REQ_CREATE_MR */
	uintptr_t addr;
	uint32_t len;
};

#define MANA_MP_NAME	"net_mana_mp"
int mana_mp_init_primary(void);
int mana_mp_init_secondary(void);
void mana_mp_uninit_primary(void);
void mana_mp_uninit_secondary(void);
int mana_mp_req_verbs_cmd_fd(struct rte_eth_dev *dev);

void mana_mp_req_on_rxtx(struct rte_eth_dev *dev, enum mana_mp_req_type type);

void *mana_alloc_verbs_buf(size_t size, void *data);
void mana_free_verbs_buf(void *ptr, void *data __rte_unused);

#endif