xref: /illumos-gate/usr/src/uts/common/io/ixgbe/core/ixgbe_mbx.h (revision 48bbca816818409505a6e214d0911fda44e622e3)
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3   Copyright (c) 2001-2015, 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 /* definitions to support mailbox API version negotiation */
84 
85 /*
86  * each element denotes a version of the API; existing numbers may not
87  * change; any additions must go at the end
88  */
89 enum ixgbe_pfvf_api_rev {
90 	ixgbe_mbox_api_10,	/* API version 1.0, linux/freebsd VF driver */
91 	ixgbe_mbox_api_20,	/* API version 2.0, solaris Phase1 VF driver */
92 	ixgbe_mbox_api_11,	/* API version 1.1, linux/freebsd VF driver */
93 	/* This value should always be last */
94 	ixgbe_mbox_api_unknown,	/* indicates that API version is not known */
95 };
96 
97 /* mailbox API, legacy requests */
98 #define IXGBE_VF_RESET		0x01 /* VF requests reset */
99 #define IXGBE_VF_SET_MAC_ADDR	0x02 /* VF requests PF to set MAC addr */
100 #define IXGBE_VF_SET_MULTICAST	0x03 /* VF requests PF to set MC addr */
101 #define IXGBE_VF_SET_VLAN	0x04 /* VF requests PF to set VLAN */
102 
103 /* mailbox API, version 1.0 VF requests */
104 #define IXGBE_VF_SET_LPE	0x05 /* VF requests PF to set VMOLR.LPE */
105 #define IXGBE_VF_SET_MACVLAN	0x06 /* VF requests PF for unicast filter */
106 #define IXGBE_VF_API_NEGOTIATE	0x08 /* negotiate API version */
107 
108 /* mailbox API, version 1.1 VF requests */
109 #define IXGBE_VF_GET_QUEUES	0x09 /* get queue configuration */
110 
111 /* GET_QUEUES return data indices within the mailbox */
112 #define IXGBE_VF_TX_QUEUES	1	/* number of Tx queues supported */
113 #define IXGBE_VF_RX_QUEUES	2	/* number of Rx queues supported */
114 #define IXGBE_VF_TRANS_VLAN	3	/* Indication of port vlan */
115 #define IXGBE_VF_DEF_QUEUE	4	/* Default queue offset */
116 
117 /* length of permanent address message returned from PF */
118 #define IXGBE_VF_PERMADDR_MSG_LEN	4
119 /* word in permanent address message with the current multicast type */
120 #define IXGBE_VF_MC_TYPE_WORD		3
121 
122 #define IXGBE_PF_CONTROL_MSG		0x0100 /* PF control message */
123 
124 /* mailbox API, version 2.0 VF requests */
125 #define IXGBE_VF_API_NEGOTIATE		0x08 /* negotiate API version */
126 #define IXGBE_VF_GET_QUEUES		0x09 /* get queue configuration */
127 #define IXGBE_VF_ENABLE_MACADDR		0x0A /* enable MAC address */
128 #define IXGBE_VF_DISABLE_MACADDR	0x0B /* disable MAC address */
129 #define IXGBE_VF_GET_MACADDRS		0x0C /* get all configured MAC addrs */
130 #define IXGBE_VF_SET_MCAST_PROMISC	0x0D /* enable multicast promiscuous */
131 #define IXGBE_VF_GET_MTU		0x0E /* get bounds on MTU */
132 #define IXGBE_VF_SET_MTU		0x0F /* set a specific MTU */
133 
134 /* mailbox API, version 2.0 PF requests */
135 #define IXGBE_PF_TRANSPARENT_VLAN	0x0101 /* enable transparent vlan */
136 
137 #define IXGBE_VF_MBX_INIT_TIMEOUT	2000 /* number of retries on mailbox */
138 #define IXGBE_VF_MBX_INIT_DELAY		500  /* microseconds between retries */
139 
140 s32 ixgbe_read_mbx(struct ixgbe_hw *, u32 *, u16, u16);
141 s32 ixgbe_write_mbx(struct ixgbe_hw *, u32 *, u16, u16);
142 s32 ixgbe_read_posted_mbx(struct ixgbe_hw *, u32 *, u16, u16);
143 s32 ixgbe_write_posted_mbx(struct ixgbe_hw *, u32 *, u16, u16);
144 s32 ixgbe_check_for_msg(struct ixgbe_hw *, u16);
145 s32 ixgbe_check_for_ack(struct ixgbe_hw *, u16);
146 s32 ixgbe_check_for_rst(struct ixgbe_hw *, u16);
147 void ixgbe_init_mbx_ops_generic(struct ixgbe_hw *hw);
148 void ixgbe_init_mbx_params_vf(struct ixgbe_hw *);
149 void ixgbe_init_mbx_params_pf(struct ixgbe_hw *);
150 
151 #endif /* _IXGBE_MBX_H_ */
152