i40e_adminq.h revision 269198 
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33/*$FreeBSD: head/sys/dev/i40e/i40e_adminq.h 269198 2014-07-28 21:57:09Z jfv $*/
34
35#ifndef _I40E_ADMINQ_H_
36#define _I40E_ADMINQ_H_
37
38#include "i40e_osdep.h"
39#include "i40e_adminq_cmd.h"
40
41#define I40E_ADMINQ_DESC(R, i)   \
42	(&(((struct i40e_aq_desc *)((R).desc_buf.va))[i]))
43
44#define I40E_ADMINQ_DESC_ALIGNMENT 4096
45
46struct i40e_adminq_ring {
47	struct i40e_virt_mem dma_head;	/* space for dma structures */
48	struct i40e_dma_mem desc_buf;	/* descriptor ring memory */
49	struct i40e_virt_mem cmd_buf;	/* command buffer memory */
50
51	union {
52		struct i40e_dma_mem *asq_bi;
53		struct i40e_dma_mem *arq_bi;
54	} r;
55
56	u16 count;		/* Number of descriptors */
57	u16 rx_buf_len;		/* Admin Receive Queue buffer length */
58
59	/* used for interrupt processing */
60	u16 next_to_use;
61	u16 next_to_clean;
62
63	/* used for queue tracking */
64	u32 head;
65	u32 tail;
66	u32 len;
67	u32 bah;
68	u32 bal;
69};
70
71/* ASQ transaction details */
72struct i40e_asq_cmd_details {
73	void *callback; /* cast from type I40E_ADMINQ_CALLBACK */
74	u64 cookie;
75	u16 flags_ena;
76	u16 flags_dis;
77	bool async;
78	bool postpone;
79};
80
81#define I40E_ADMINQ_DETAILS(R, i)   \
82	(&(((struct i40e_asq_cmd_details *)((R).cmd_buf.va))[i]))
83
84/* ARQ event information */
85struct i40e_arq_event_info {
86	struct i40e_aq_desc desc;
87	u16 msg_size;
88	u8 *msg_buf;
89};
90
91/* Admin Queue information */
92struct i40e_adminq_info {
93	struct i40e_adminq_ring arq;    /* receive queue */
94	struct i40e_adminq_ring asq;    /* send queue */
95	u32 asq_cmd_timeout;            /* send queue cmd write back timeout*/
96	u16 num_arq_entries;            /* receive queue depth */
97	u16 num_asq_entries;            /* send queue depth */
98	u16 arq_buf_size;               /* receive queue buffer size */
99	u16 asq_buf_size;               /* send queue buffer size */
100	u16 fw_maj_ver;                 /* firmware major version */
101	u16 fw_min_ver;                 /* firmware minor version */
102	u16 api_maj_ver;                /* api major version */
103	u16 api_min_ver;                /* api minor version */
104	bool nvm_busy;
105	bool nvm_release_on_done;
106
107	struct i40e_spinlock asq_spinlock; /* Send queue spinlock */
108	struct i40e_spinlock arq_spinlock; /* Receive queue spinlock */
109
110	/* last status values on send and receive queues */
111	enum i40e_admin_queue_err asq_last_status;
112	enum i40e_admin_queue_err arq_last_status;
113};
114
115/* general information */
116#define I40E_AQ_LARGE_BUF		512
117#define I40E_ASQ_CMD_TIMEOUT		100000 /* usecs */
118
119void i40e_fill_default_direct_cmd_desc(struct i40e_aq_desc *desc,
120				       u16 opcode);
121
122#endif /* _I40E_ADMINQ_H_ */
123