/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright(c) 2017 - 2019 Pensando Systems, Inc */

#ifndef _IONIC_H_
#define _IONIC_H_

struct ionic_lif;

#include "ionic_if.h"
#include "ionic_dev.h"
#include "ionic_devlink.h"

#define IONIC_DRV_NAME          "ionic"
#define IONIC_DRV_DESCRIPTION   "Pensando Ethernet NIC Driver"

#define PCI_VENDOR_ID_PENSANDO                  0x1dd8

#define PCI_DEVICE_ID_PENSANDO_IONIC_ETH_PF     0x1002
#define PCI_DEVICE_ID_PENSANDO_IONIC_ETH_VF     0x1003

#define DEVCMD_TIMEOUT                  5
#define IONIC_ADMINQ_TIME_SLICE         msecs_to_jiffies(100)

#define IONIC_PHC_UPDATE_NS     10000000000         /* 10s in nanoseconds */
#define NORMAL_PPB              1000000000          /* one billion parts per billion */
#define SCALED_PPM              (1000000ull << 16)  /* 2^16 million parts per 2^16 million */

struct ionic_vf {
        u16      index;
        u8       macaddr[6];
        __le32   maxrate;
        __le16   vlanid;
        u8       spoofchk;
        u8       trusted;
        u8       linkstate;
        dma_addr_t       stats_pa;
        struct ionic_lif_stats stats;
};

struct ionic {
        struct pci_dev *pdev;
        struct device *dev;
        struct devlink_port dl_port;
        struct ionic_dev idev;
        struct mutex dev_cmd_lock;      /* lock for dev_cmd operations */
        struct dentry *dentry;
        struct ionic_dev_bar bars[IONIC_BARS_MAX];
        unsigned int num_bars;
        struct ionic_identity ident;
        struct workqueue_struct *wq;
        struct ionic_lif *lif;
        unsigned int nnqs_per_lif;
        unsigned int neqs_per_lif;
        unsigned int ntxqs_per_lif;
        unsigned int nrxqs_per_lif;
        unsigned int nintrs;
        DECLARE_BITMAP(intrs, IONIC_INTR_CTRL_REGS_MAX);
        cpumask_var_t *affinity_masks;
        struct delayed_work doorbell_check_dwork;
        struct notifier_block nb;
        struct rw_semaphore vf_op_lock; /* lock for VF operations */
        struct ionic_vf *vfs;
        int num_vfs;
        struct timer_list watchdog_timer;
        int watchdog_period;
};

int ionic_adminq_post(struct ionic_lif *lif, struct ionic_admin_ctx *ctx);
int ionic_adminq_wait(struct ionic_lif *lif, struct ionic_admin_ctx *ctx,
                      const int err, const bool do_msg);
int ionic_adminq_post_wait_nomsg(struct ionic_lif *lif, struct ionic_admin_ctx *ctx);
void ionic_adminq_netdev_err_print(struct ionic_lif *lif, u8 opcode,
                                   u8 status, int err);
bool ionic_notifyq_service(struct ionic_cq *cq);
bool ionic_adminq_service(struct ionic_cq *cq);

int ionic_dev_cmd_wait(struct ionic *ionic, unsigned long max_wait);
int ionic_dev_cmd_wait_nomsg(struct ionic *ionic, unsigned long max_wait);
void ionic_dev_cmd_dev_err_print(struct ionic *ionic, u8 opcode, u8 status,
                                 int err);
int ionic_setup(struct ionic *ionic);

int ionic_identify(struct ionic *ionic);
int ionic_init(struct ionic *ionic);
int ionic_reset(struct ionic *ionic);

int ionic_port_identify(struct ionic *ionic);
int ionic_port_init(struct ionic *ionic);
int ionic_port_reset(struct ionic *ionic);

bool ionic_doorbell_wa(struct ionic *ionic);

#endif /* _IONIC_H_ */