projects/linux·blob master · refs

93 lines · 2.8 KiB

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 DEVCMD_TIMEOUT 5
22#define IONIC_ADMINQ_TIME_SLICE msecs_to_jiffies(100)
23
24#define IONIC_PHC_UPDATE_NS 10000000000 /* 10s in nanoseconds */
25#define NORMAL_PPB 1000000000 /* one billion parts per billion */
26#define SCALED_PPM (1000000ull << 16) /* 2^16 million parts per 2^16 million */
27
28struct ionic_vf {
29 u16 index;
30 u8 macaddr[6];
31 __le32 maxrate;
32 __le16 vlanid;
33 u8 spoofchk;
34 u8 trusted;
35 u8 linkstate;
36 dma_addr_t stats_pa;
37 struct ionic_lif_stats stats;
38};
39
40struct ionic {
41 struct pci_dev *pdev;
42 struct device *dev;
43 struct devlink_port dl_port;
44 struct ionic_dev idev;
45 struct mutex dev_cmd_lock; /* lock for dev_cmd operations */
46 struct dentry *dentry;
47 struct ionic_dev_bar bars[IONIC_BARS_MAX];
48 unsigned int num_bars;
49 struct ionic_identity ident;
50 struct workqueue_struct *wq;
51 struct ionic_lif *lif;
52 unsigned int nnqs_per_lif;
53 unsigned int neqs_per_lif;
54 unsigned int ntxqs_per_lif;
55 unsigned int nrxqs_per_lif;
56 unsigned int nintrs;
57 DECLARE_BITMAP(intrs, IONIC_INTR_CTRL_REGS_MAX);
58 cpumask_var_t *affinity_masks;
59 struct delayed_work doorbell_check_dwork;
60 struct notifier_block nb;
61 struct rw_semaphore vf_op_lock; /* lock for VF operations */
62 struct ionic_vf *vfs;
63 int num_vfs;
64 struct timer_list watchdog_timer;
65 int watchdog_period;
66};
67
68int ionic_adminq_post(struct ionic_lif *lif, struct ionic_admin_ctx *ctx);
69int ionic_adminq_wait(struct ionic_lif *lif, struct ionic_admin_ctx *ctx,
70 const int err, const bool do_msg);
71int ionic_adminq_post_wait_nomsg(struct ionic_lif *lif, struct ionic_admin_ctx *ctx);
72void ionic_adminq_netdev_err_print(struct ionic_lif *lif, u8 opcode,
73 u8 status, int err);
74bool ionic_notifyq_service(struct ionic_cq *cq);
75bool ionic_adminq_service(struct ionic_cq *cq);
76
77int ionic_dev_cmd_wait(struct ionic *ionic, unsigned long max_wait);
78int ionic_dev_cmd_wait_nomsg(struct ionic *ionic, unsigned long max_wait);
79void ionic_dev_cmd_dev_err_print(struct ionic *ionic, u8 opcode, u8 status,
80 int err);
81int ionic_setup(struct ionic *ionic);
82
83int ionic_identify(struct ionic *ionic);
84int ionic_init(struct ionic *ionic);
85int ionic_reset(struct ionic *ionic);
86
87int ionic_port_identify(struct ionic *ionic);
88int ionic_port_init(struct ionic *ionic);
89int ionic_port_reset(struct ionic *ionic);
90
91bool ionic_doorbell_wa(struct ionic *ionic);
92
93#endif /* _IONIC_H_ */