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33/*$FreeBSD: stable/11/sys/dev/ixl/ixlv_vc_mgr.h 349163 2019-06-18 00:08:02Z erj $*/
34
35#ifndef _IXLV_VC_MGR_H_
36#define _IXLV_VC_MGR_H_
37
38#include <sys/queue.h>
39
40struct ixl_vc_cmd;
41
42typedef void ixl_vc_callback_t(struct ixl_vc_cmd *, void *,
43	enum i40e_status_code);
44
45
46#define	IXLV_VC_CMD_FLAG_BUSY		0x0001
47
48struct ixl_vc_cmd
49{
50	uint32_t request;
51	uint32_t flags;
52
53	ixl_vc_callback_t *callback;
54	void *arg;
55
56	TAILQ_ENTRY(ixl_vc_cmd) next;
57};
58
59struct ixl_vc_mgr
60{
61	struct ixlv_sc *sc;
62	struct ixl_vc_cmd *current;
63	struct callout callout;
64
65	TAILQ_HEAD(, ixl_vc_cmd) pending;
66};
67
68#define	IXLV_VC_TIMEOUT			(2 * hz)
69
70void	ixl_vc_init_mgr(struct ixlv_sc *, struct ixl_vc_mgr *);
71void	ixl_vc_enqueue(struct ixl_vc_mgr *, struct ixl_vc_cmd *,
72	    uint32_t, ixl_vc_callback_t *, void *);
73void	ixl_vc_flush(struct ixl_vc_mgr *mgr);
74
75#endif
76
77