1/* SPDX-License-Identifier: GPL-2.0 */
  2/* Copyright(c) 2017 - 2019 Pensando Systems, Inc */
  3
  4#ifndef _IONIC_H_
  5#define _IONIC_H_
  6
  7struct ionic_lif;
  8
  9#include "ionic_if.h"
 10#include "ionic_dev.h"
 11#include "ionic_devlink.h"
 12
 13#define IONIC_DRV_NAME		"ionic"
 14#define IONIC_DRV_DESCRIPTION	"Pensando Ethernet NIC Driver"
 15
 16#define PCI_VENDOR_ID_PENSANDO			0x1dd8
 17
 18#define PCI_DEVICE_ID_PENSANDO_IONIC_ETH_PF	0x1002
 19#define PCI_DEVICE_ID_PENSANDO_IONIC_ETH_VF	0x1003
 20
 21#define IONIC_ASIC_TYPE_ELBA	2
 22
 23#define DEVCMD_TIMEOUT			5
 24#define IONIC_ADMINQ_TIME_SLICE		msecs_to_jiffies(100)
 25
 26#define IONIC_PHC_UPDATE_NS	10000000000	    /* 10s in nanoseconds */
 27#define NORMAL_PPB		1000000000	    /* one billion parts per billion */
 28#define SCALED_PPM		(1000000ull << 16)  /* 2^16 million parts per 2^16 million */
 29
 30struct ionic_vf {
 31	u16	 index;
 32	u8	 macaddr[6];
 33	__le32	 maxrate;
 34	__le16	 vlanid;
 35	u8	 spoofchk;
 36	u8	 trusted;
 37	u8	 linkstate;
 38	dma_addr_t       stats_pa;
 39	struct ionic_lif_stats stats;
 40};
 41
 42struct ionic {
 43	struct pci_dev *pdev;
 44	struct device *dev;
 45	struct devlink_port dl_port;
 46	struct ionic_dev idev;
 47	struct mutex dev_cmd_lock;	/* lock for dev_cmd operations */
 48	struct dentry *dentry;
 49	struct ionic_dev_bar bars[IONIC_BARS_MAX];
 50	unsigned int num_bars;
 51	struct ionic_identity ident;
 52	struct workqueue_struct *wq;
 53	struct ionic_lif *lif;
 54	unsigned int nnqs_per_lif;
 55	unsigned int neqs_per_lif;
 56	unsigned int ntxqs_per_lif;
 57	unsigned int nrxqs_per_lif;
 58	unsigned int nintrs;
 59	DECLARE_BITMAP(intrs, IONIC_INTR_CTRL_REGS_MAX);
 60	cpumask_var_t *affinity_masks;
 61	struct delayed_work doorbell_check_dwork;
 62	struct work_struct nb_work;
 63	struct notifier_block nb;
 64	struct rw_semaphore vf_op_lock;	/* lock for VF operations */
 65	struct ionic_vf *vfs;
 66	int num_vfs;
 67	struct timer_list watchdog_timer;
 68	int watchdog_period;
 69};
 70
 71struct ionic_admin_ctx {
 72	struct completion work;
 73	union ionic_adminq_cmd cmd;
 74	union ionic_adminq_comp comp;
 75};
 76
 77int ionic_adminq_post(struct ionic_lif *lif, struct ionic_admin_ctx *ctx);
 78int ionic_adminq_wait(struct ionic_lif *lif, struct ionic_admin_ctx *ctx,
 79		      const int err, const bool do_msg);
 80int ionic_adminq_post_wait(struct ionic_lif *lif, struct ionic_admin_ctx *ctx);
 81int ionic_adminq_post_wait_nomsg(struct ionic_lif *lif, struct ionic_admin_ctx *ctx);
 82void ionic_adminq_netdev_err_print(struct ionic_lif *lif, u8 opcode,
 83				   u8 status, int err);
 84bool ionic_notifyq_service(struct ionic_cq *cq);
 85bool ionic_adminq_service(struct ionic_cq *cq);
 86
 87int ionic_dev_cmd_wait(struct ionic *ionic, unsigned long max_wait);
 88int ionic_dev_cmd_wait_nomsg(struct ionic *ionic, unsigned long max_wait);
 89void ionic_dev_cmd_dev_err_print(struct ionic *ionic, u8 opcode, u8 status,
 90				 int err);
 91int ionic_setup(struct ionic *ionic);
 92
 93int ionic_identify(struct ionic *ionic);
 94int ionic_init(struct ionic *ionic);
 95int ionic_reset(struct ionic *ionic);
 96
 97int ionic_port_identify(struct ionic *ionic);
 98int ionic_port_init(struct ionic *ionic);
 99int ionic_port_reset(struct ionic *ionic);
100
101bool ionic_doorbell_wa(struct ionic *ionic);
102
103#endif /* _IONIC_H_ */