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 
7 struct 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 
28 struct 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 
40 struct 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 ionic_lif *lif;
51 	unsigned int nnqs_per_lif;
52 	unsigned int neqs_per_lif;
53 	unsigned int ntxqs_per_lif;
54 	unsigned int nrxqs_per_lif;
55 	unsigned int nintrs;
56 	DECLARE_BITMAP(intrs, IONIC_INTR_CTRL_REGS_MAX);
57 	struct work_struct nb_work;
58 	struct notifier_block nb;
59 	struct rw_semaphore vf_op_lock;	/* lock for VF operations */
60 	struct ionic_vf *vfs;
61 	int num_vfs;
62 	struct timer_list watchdog_timer;
63 	int watchdog_period;
64 };
65 
66 struct ionic_admin_ctx {
67 	struct completion work;
68 	union ionic_adminq_cmd cmd;
69 	union ionic_adminq_comp comp;
70 };
71 
72 int ionic_adminq_post(struct ionic_lif *lif, struct ionic_admin_ctx *ctx);
73 int ionic_adminq_wait(struct ionic_lif *lif, struct ionic_admin_ctx *ctx,
74 		      const int err, const bool do_msg);
75 int ionic_adminq_post_wait(struct ionic_lif *lif, struct ionic_admin_ctx *ctx);
76 int ionic_adminq_post_wait_nomsg(struct ionic_lif *lif, struct ionic_admin_ctx *ctx);
77 void ionic_adminq_netdev_err_print(struct ionic_lif *lif, u8 opcode,
78 				   u8 status, int err);
79 
80 int ionic_dev_cmd_wait(struct ionic *ionic, unsigned long max_wait);
81 int ionic_dev_cmd_wait_nomsg(struct ionic *ionic, unsigned long max_wait);
82 void ionic_dev_cmd_dev_err_print(struct ionic *ionic, u8 opcode, u8 status,
83 				 int err);
84 int ionic_setup(struct ionic *ionic);
85 
86 int ionic_identify(struct ionic *ionic);
87 int ionic_init(struct ionic *ionic);
88 int ionic_reset(struct ionic *ionic);
89 
90 int ionic_port_identify(struct ionic *ionic);
91 int ionic_port_init(struct ionic *ionic);
92 int ionic_port_reset(struct ionic *ionic);
93 
94 const char *ionic_vf_attr_to_str(enum ionic_vf_attr attr);
95 
96 #endif /* _IONIC_H_ */
97