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33 ******************************************************************************/
34 /*$FreeBSD$*/
35 
36 #ifndef _IXGBE_MBX_H_
37 #define _IXGBE_MBX_H_
38 
39 #include "ixgbe_type.h"
40 
41 #define IXGBE_VFMAILBOX_SIZE	16 /* 16 32 bit words - 64 bytes */
42 #define IXGBE_ERR_MBX		-100
43 
44 #define IXGBE_VFMAILBOX		0x002FC
45 #define IXGBE_VFMBMEM		0x00200
46 
47 /* Define mailbox register bits */
48 #define IXGBE_VFMAILBOX_REQ	0x00000001 /* Request for PF Ready bit */
49 #define IXGBE_VFMAILBOX_ACK	0x00000002 /* Ack PF message received */
50 #define IXGBE_VFMAILBOX_VFU	0x00000004 /* VF owns the mailbox buffer */
51 #define IXGBE_VFMAILBOX_PFU	0x00000008 /* PF owns the mailbox buffer */
52 #define IXGBE_VFMAILBOX_PFSTS	0x00000010 /* PF wrote a message in the MB */
53 #define IXGBE_VFMAILBOX_PFACK	0x00000020 /* PF ack the previous VF msg */
54 #define IXGBE_VFMAILBOX_RSTI	0x00000040 /* PF has reset indication */
55 #define IXGBE_VFMAILBOX_RSTD	0x00000080 /* PF has indicated reset done */
56 #define IXGBE_VFMAILBOX_R2C_BITS	0x000000B0 /* All read to clear bits */
57 
58 #define IXGBE_PFMAILBOX_STS	0x00000001 /* Initiate message send to VF */
59 #define IXGBE_PFMAILBOX_ACK	0x00000002 /* Ack message recv'd from VF */
60 #define IXGBE_PFMAILBOX_VFU	0x00000004 /* VF owns the mailbox buffer */
61 #define IXGBE_PFMAILBOX_PFU	0x00000008 /* PF owns the mailbox buffer */
62 #define IXGBE_PFMAILBOX_RVFU	0x00000010 /* Reset VFU - used when VF stuck */
63 
64 #define IXGBE_MBVFICR_VFREQ_MASK	0x0000FFFF /* bits for VF messages */
65 #define IXGBE_MBVFICR_VFREQ_VF1		0x00000001 /* bit for VF 1 message */
66 #define IXGBE_MBVFICR_VFACK_MASK	0xFFFF0000 /* bits for VF acks */
67 #define IXGBE_MBVFICR_VFACK_VF1		0x00010000 /* bit for VF 1 ack */
68 
69 
70 /* If it's a IXGBE_VF_* msg then it originates in the VF and is sent to the
71  * PF.  The reverse is TRUE if it is IXGBE_PF_*.
72  * Message ACK's are the value or'd with 0xF0000000
73  */
74 #define IXGBE_VT_MSGTYPE_ACK	0x80000000 /* Messages below or'd with
75 					    * this are the ACK */
76 #define IXGBE_VT_MSGTYPE_NACK	0x40000000 /* Messages below or'd with
77 					    * this are the NACK */
78 #define IXGBE_VT_MSGTYPE_CTS	0x20000000 /* Indicates that VF is still
79 					    * clear to send requests */
80 #define IXGBE_VT_MSGINFO_SHIFT	16
81 /* bits 23:16 are used for extra info for certain messages */
82 #define IXGBE_VT_MSGINFO_MASK	(0xFF << IXGBE_VT_MSGINFO_SHIFT)
83 
84 /* definitions to support mailbox API version negotiation */
85 
86 /*
87  * each element denotes a version of the API; existing numbers may not
88  * change; any additions must go at the end
89  */
90 enum ixgbe_pfvf_api_rev {
91 	ixgbe_mbox_api_10,	/* API version 1.0, linux/freebsd VF driver */
92 	ixgbe_mbox_api_20,	/* API version 2.0, solaris Phase1 VF driver */
93 	ixgbe_mbox_api_11,	/* API version 1.1, linux/freebsd VF driver */
94 	ixgbe_mbox_api_12,	/* API version 1.2, linux/freebsd VF driver */
95 	ixgbe_mbox_api_13,	/* API version 1.3, linux/freebsd VF driver */
96 	/* This value should always be last */
97 	ixgbe_mbox_api_unknown,	/* indicates that API version is not known */
98 };
99 
100 /* mailbox API, legacy requests */
101 #define IXGBE_VF_RESET		0x01 /* VF requests reset */
102 #define IXGBE_VF_SET_MAC_ADDR	0x02 /* VF requests PF to set MAC addr */
103 #define IXGBE_VF_SET_MULTICAST	0x03 /* VF requests PF to set MC addr */
104 #define IXGBE_VF_SET_VLAN	0x04 /* VF requests PF to set VLAN */
105 
106 /* mailbox API, version 1.0 VF requests */
107 #define IXGBE_VF_SET_LPE	0x05 /* VF requests PF to set VMOLR.LPE */
108 #define IXGBE_VF_SET_MACVLAN	0x06 /* VF requests PF for unicast filter */
109 #define IXGBE_VF_API_NEGOTIATE	0x08 /* negotiate API version */
110 
111 /* mailbox API, version 1.1 VF requests */
112 #define IXGBE_VF_GET_QUEUES	0x09 /* get queue configuration */
113 
114 /* mailbox API, version 1.2 VF requests */
115 #define IXGBE_VF_GET_RETA      0x0a    /* VF request for RETA */
116 #define IXGBE_VF_GET_RSS_KEY	0x0b    /* get RSS key */
117 #define IXGBE_VF_UPDATE_XCAST_MODE	0x0c
118 
119 /* mode choices for IXGBE_VF_UPDATE_XCAST_MODE */
120 enum ixgbevf_xcast_modes {
121 	IXGBEVF_XCAST_MODE_NONE = 0,
122 	IXGBEVF_XCAST_MODE_MULTI,
123 	IXGBEVF_XCAST_MODE_ALLMULTI,
124 	IXGBEVF_XCAST_MODE_PROMISC,
125 };
126 
127 /* GET_QUEUES return data indices within the mailbox */
128 #define IXGBE_VF_TX_QUEUES	1	/* number of Tx queues supported */
129 #define IXGBE_VF_RX_QUEUES	2	/* number of Rx queues supported */
130 #define IXGBE_VF_TRANS_VLAN	3	/* Indication of port vlan */
131 #define IXGBE_VF_DEF_QUEUE	4	/* Default queue offset */
132 
133 /* length of permanent address message returned from PF */
134 #define IXGBE_VF_PERMADDR_MSG_LEN	4
135 /* word in permanent address message with the current multicast type */
136 #define IXGBE_VF_MC_TYPE_WORD		3
137 
138 #define IXGBE_PF_CONTROL_MSG		0x0100 /* PF control message */
139 
140 /* mailbox API, version 2.0 VF requests */
141 #define IXGBE_VF_API_NEGOTIATE		0x08 /* negotiate API version */
142 #define IXGBE_VF_GET_QUEUES		0x09 /* get queue configuration */
143 #define IXGBE_VF_ENABLE_MACADDR		0x0A /* enable MAC address */
144 #define IXGBE_VF_DISABLE_MACADDR	0x0B /* disable MAC address */
145 #define IXGBE_VF_GET_MACADDRS		0x0C /* get all configured MAC addrs */
146 #define IXGBE_VF_SET_MCAST_PROMISC	0x0D /* enable multicast promiscuous */
147 #define IXGBE_VF_GET_MTU		0x0E /* get bounds on MTU */
148 #define IXGBE_VF_SET_MTU		0x0F /* set a specific MTU */
149 
150 /* mailbox API, version 2.0 PF requests */
151 #define IXGBE_PF_TRANSPARENT_VLAN	0x0101 /* enable transparent vlan */
152 
153 #define IXGBE_VF_MBX_INIT_TIMEOUT	2000 /* number of retries on mailbox */
154 #define IXGBE_VF_MBX_INIT_DELAY		500  /* microseconds between retries */
155 
156 void ixgbe_init_mbx_ops_generic(struct ixgbe_hw *hw);
157 void ixgbe_init_mbx_params_vf(struct ixgbe_hw *);
158 void ixgbe_init_mbx_params_pf(struct ixgbe_hw *);
159 
160 #endif /* _IXGBE_MBX_H_ */
161