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3   Copyright (c) 2001-2012, Intel Corporation
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32 ******************************************************************************/
33 /*$FreeBSD$*/
34 
35 #ifndef _IXGBE_MBX_H_
36 #define _IXGBE_MBX_H_
37 
38 #include "ixgbe_type.h"
39 
40 #define IXGBE_VFMAILBOX_SIZE	16 /* 16 32 bit words - 64 bytes */
41 #define IXGBE_ERR_MBX		-100
42 
43 #define IXGBE_VFMAILBOX		0x002FC
44 #define IXGBE_VFMBMEM		0x00200
45 
46 /* Define mailbox register bits */
47 #define IXGBE_VFMAILBOX_REQ	0x00000001 /* Request for PF Ready bit */
48 #define IXGBE_VFMAILBOX_ACK	0x00000002 /* Ack PF message received */
49 #define IXGBE_VFMAILBOX_VFU	0x00000004 /* VF owns the mailbox buffer */
50 #define IXGBE_VFMAILBOX_PFU	0x00000008 /* PF owns the mailbox buffer */
51 #define IXGBE_VFMAILBOX_PFSTS	0x00000010 /* PF wrote a message in the MB */
52 #define IXGBE_VFMAILBOX_PFACK	0x00000020 /* PF ack the previous VF msg */
53 #define IXGBE_VFMAILBOX_RSTI	0x00000040 /* PF has reset indication */
54 #define IXGBE_VFMAILBOX_RSTD	0x00000080 /* PF has indicated reset done */
55 #define IXGBE_VFMAILBOX_R2C_BITS	0x000000B0 /* All read to clear bits */
56 
57 #define IXGBE_PFMAILBOX_STS	0x00000001 /* Initiate message send to VF */
58 #define IXGBE_PFMAILBOX_ACK	0x00000002 /* Ack message recv'd from VF */
59 #define IXGBE_PFMAILBOX_VFU	0x00000004 /* VF owns the mailbox buffer */
60 #define IXGBE_PFMAILBOX_PFU	0x00000008 /* PF owns the mailbox buffer */
61 #define IXGBE_PFMAILBOX_RVFU	0x00000010 /* Reset VFU - used when VF stuck */
62 
63 #define IXGBE_MBVFICR_VFREQ_MASK	0x0000FFFF /* bits for VF messages */
64 #define IXGBE_MBVFICR_VFREQ_VF1		0x00000001 /* bit for VF 1 message */
65 #define IXGBE_MBVFICR_VFACK_MASK	0xFFFF0000 /* bits for VF acks */
66 #define IXGBE_MBVFICR_VFACK_VF1		0x00010000 /* bit for VF 1 ack */
67 
68 
69 /* If it's a IXGBE_VF_* msg then it originates in the VF and is sent to the
70  * PF.  The reverse is TRUE if it is IXGBE_PF_*.
71  * Message ACK's are the value or'd with 0xF0000000
72  */
73 #define IXGBE_VT_MSGTYPE_ACK	0x80000000 /* Messages below or'd with
74 					    * this are the ACK */
75 #define IXGBE_VT_MSGTYPE_NACK	0x40000000 /* Messages below or'd with
76 					    * this are the NACK */
77 #define IXGBE_VT_MSGTYPE_CTS	0x20000000 /* Indicates that VF is still
78 					    * clear to send requests */
79 #define IXGBE_VT_MSGINFO_SHIFT	16
80 /* bits 23:16 are used for extra info for certain messages */
81 #define IXGBE_VT_MSGINFO_MASK	(0xFF << IXGBE_VT_MSGINFO_SHIFT)
82 
83 #define IXGBE_VF_RESET		0x01 /* VF requests reset */
84 #define IXGBE_VF_SET_MAC_ADDR	0x02 /* VF requests PF to set MAC addr */
85 #define IXGBE_VF_SET_MULTICAST	0x03 /* VF requests PF to set MC addr */
86 #define IXGBE_VF_SET_VLAN	0x04 /* VF requests PF to set VLAN */
87 #define IXGBE_VF_SET_LPE	0x05 /* VF requests PF to set VMOLR.LPE */
88 #define IXGBE_VF_SET_MACVLAN	0x06 /* VF requests PF for unicast filter */
89 
90 /* length of permanent address message returned from PF */
91 #define IXGBE_VF_PERMADDR_MSG_LEN	4
92 /* word in permanent address message with the current multicast type */
93 #define IXGBE_VF_MC_TYPE_WORD		3
94 
95 #define IXGBE_PF_CONTROL_MSG		0x0100 /* PF control message */
96 
97 
98 #define IXGBE_VF_MBX_INIT_TIMEOUT	2000 /* number of retries on mailbox */
99 #define IXGBE_VF_MBX_INIT_DELAY		500  /* microseconds between retries */
100 
101 s32 ixgbe_read_mbx(struct ixgbe_hw *, u32 *, u16, u16);
102 s32 ixgbe_write_mbx(struct ixgbe_hw *, u32 *, u16, u16);
103 s32 ixgbe_read_posted_mbx(struct ixgbe_hw *, u32 *, u16, u16);
104 s32 ixgbe_write_posted_mbx(struct ixgbe_hw *, u32 *, u16, u16);
105 s32 ixgbe_check_for_msg(struct ixgbe_hw *, u16);
106 s32 ixgbe_check_for_ack(struct ixgbe_hw *, u16);
107 s32 ixgbe_check_for_rst(struct ixgbe_hw *, u16);
108 void ixgbe_init_mbx_ops_generic(struct ixgbe_hw *hw);
109 void ixgbe_init_mbx_params_vf(struct ixgbe_hw *);
110 void ixgbe_init_mbx_params_pf(struct ixgbe_hw *);
111 
112 #endif /* _IXGBE_MBX_H_ */
113