1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2001-2018
8 #include "ixgbe_type.h"
10 #define IXGBE_VFMAILBOX_SIZE 16 /* 16 32 bit words - 64 bytes */
11 #define IXGBE_ERR_MBX -100
13 #define IXGBE_VFMAILBOX 0x002FC
14 #define IXGBE_VFMBMEM 0x00200
16 /* Define mailbox register bits */
17 #define IXGBE_VFMAILBOX_REQ 0x00000001 /* Request for PF Ready bit */
18 #define IXGBE_VFMAILBOX_ACK 0x00000002 /* Ack PF message received */
19 #define IXGBE_VFMAILBOX_VFU 0x00000004 /* VF owns the mailbox buffer */
20 #define IXGBE_VFMAILBOX_PFU 0x00000008 /* PF owns the mailbox buffer */
21 #define IXGBE_VFMAILBOX_PFSTS 0x00000010 /* PF wrote a message in the MB */
22 #define IXGBE_VFMAILBOX_PFACK 0x00000020 /* PF ack the previous VF msg */
23 #define IXGBE_VFMAILBOX_RSTI 0x00000040 /* PF has reset indication */
24 #define IXGBE_VFMAILBOX_RSTD 0x00000080 /* PF has indicated reset done */
25 #define IXGBE_VFMAILBOX_R2C_BITS 0x000000B0 /* All read to clear bits */
27 #define IXGBE_PFMAILBOX_STS 0x00000001 /* Initiate message send to VF */
28 #define IXGBE_PFMAILBOX_ACK 0x00000002 /* Ack message recv'd from VF */
29 #define IXGBE_PFMAILBOX_VFU 0x00000004 /* VF owns the mailbox buffer */
30 #define IXGBE_PFMAILBOX_PFU 0x00000008 /* PF owns the mailbox buffer */
31 #define IXGBE_PFMAILBOX_RVFU 0x00000010 /* Reset VFU - used when VF stuck */
33 #define IXGBE_MBVFICR_VFREQ_MASK 0x0000FFFF /* bits for VF messages */
34 #define IXGBE_MBVFICR_VFREQ_VF1 0x00000001 /* bit for VF 1 message */
35 #define IXGBE_MBVFICR_VFACK_MASK 0xFFFF0000 /* bits for VF acks */
36 #define IXGBE_MBVFICR_VFACK_VF1 0x00010000 /* bit for VF 1 ack */
39 /* If it's a IXGBE_VF_* msg then it originates in the VF and is sent to the
40 * PF. The reverse is true if it is IXGBE_PF_*.
41 * Message ACK's are the value or'd with 0xF0000000
43 #define IXGBE_VT_MSGTYPE_ACK 0x80000000 /* Messages below or'd with
45 #define IXGBE_VT_MSGTYPE_NACK 0x40000000 /* Messages below or'd with
46 * this are the NACK */
47 #define IXGBE_VT_MSGTYPE_CTS 0x20000000 /* Indicates that VF is still
48 * clear to send requests */
49 #define IXGBE_VT_MSGINFO_SHIFT 16
50 /* bits 23:16 are used for extra info for certain messages */
51 #define IXGBE_VT_MSGINFO_MASK (0xFF << IXGBE_VT_MSGINFO_SHIFT)
53 /* definitions to support mailbox API version negotiation */
56 * each element denotes a version of the API; existing numbers may not
57 * change; any additions must go at the end
59 enum ixgbe_pfvf_api_rev {
60 ixgbe_mbox_api_10, /* API version 1.0, linux/freebsd VF driver */
61 ixgbe_mbox_api_20, /* API version 2.0, solaris Phase1 VF driver */
62 ixgbe_mbox_api_11, /* API version 1.1, linux/freebsd VF driver */
63 ixgbe_mbox_api_12, /* API version 1.2, linux/freebsd VF driver */
64 ixgbe_mbox_api_13, /* API version 1.3, linux/freebsd VF driver */
65 /* This value should always be last */
66 ixgbe_mbox_api_unknown, /* indicates that API version is not known */
69 /* mailbox API, legacy requests */
70 #define IXGBE_VF_RESET 0x01 /* VF requests reset */
71 #define IXGBE_VF_SET_MAC_ADDR 0x02 /* VF requests PF to set MAC addr */
72 #define IXGBE_VF_SET_MULTICAST 0x03 /* VF requests PF to set MC addr */
73 #define IXGBE_VF_SET_VLAN 0x04 /* VF requests PF to set VLAN */
75 /* mailbox API, version 1.0 VF requests */
76 #define IXGBE_VF_SET_LPE 0x05 /* VF requests PF to set VMOLR.LPE */
77 #define IXGBE_VF_SET_MACVLAN 0x06 /* VF requests PF for unicast filter */
78 #define IXGBE_VF_API_NEGOTIATE 0x08 /* negotiate API version */
80 /* mailbox API, version 1.1 VF requests */
81 #define IXGBE_VF_GET_QUEUES 0x09 /* get queue configuration */
83 /* mailbox API, version 1.2 VF requests */
84 #define IXGBE_VF_GET_RETA 0x0a /* VF request for RETA */
85 #define IXGBE_VF_GET_RSS_KEY 0x0b /* get RSS key */
86 #define IXGBE_VF_UPDATE_XCAST_MODE 0x0c
88 /* mode choices for IXGBE_VF_UPDATE_XCAST_MODE */
89 enum ixgbevf_xcast_modes {
90 IXGBEVF_XCAST_MODE_NONE = 0,
91 IXGBEVF_XCAST_MODE_MULTI,
92 IXGBEVF_XCAST_MODE_ALLMULTI,
93 IXGBEVF_XCAST_MODE_PROMISC,
96 /* GET_QUEUES return data indices within the mailbox */
97 #define IXGBE_VF_TX_QUEUES 1 /* number of Tx queues supported */
98 #define IXGBE_VF_RX_QUEUES 2 /* number of Rx queues supported */
99 #define IXGBE_VF_TRANS_VLAN 3 /* Indication of port vlan */
100 #define IXGBE_VF_DEF_QUEUE 4 /* Default queue offset */
102 /* length of permanent address message returned from PF */
103 #define IXGBE_VF_PERMADDR_MSG_LEN 4
104 /* word in permanent address message with the current multicast type */
105 #define IXGBE_VF_MC_TYPE_WORD 3
107 #define IXGBE_PF_CONTROL_MSG 0x0100 /* PF control message */
109 /* mailbox API, version 2.0 VF requests */
110 #define IXGBE_VF_API_NEGOTIATE 0x08 /* negotiate API version */
111 #define IXGBE_VF_GET_QUEUES 0x09 /* get queue configuration */
112 #define IXGBE_VF_ENABLE_MACADDR 0x0A /* enable MAC address */
113 #define IXGBE_VF_DISABLE_MACADDR 0x0B /* disable MAC address */
114 #define IXGBE_VF_GET_MACADDRS 0x0C /* get all configured MAC addrs */
115 #define IXGBE_VF_SET_MCAST_PROMISC 0x0D /* enable multicast promiscuous */
116 #define IXGBE_VF_GET_MTU 0x0E /* get bounds on MTU */
117 #define IXGBE_VF_SET_MTU 0x0F /* set a specific MTU */
119 /* mailbox API, version 2.0 PF requests */
120 #define IXGBE_PF_TRANSPARENT_VLAN 0x0101 /* enable transparent vlan */
122 #define IXGBE_VF_MBX_INIT_TIMEOUT 2000 /* number of retries on mailbox */
123 #define IXGBE_VF_MBX_INIT_DELAY 500 /* microseconds between retries */
125 s32 ixgbe_read_mbx(struct ixgbe_hw *, u32 *, u16, u16);
126 s32 ixgbe_write_mbx(struct ixgbe_hw *, u32 *, u16, u16);
127 s32 ixgbe_read_posted_mbx(struct ixgbe_hw *, u32 *, u16, u16);
128 s32 ixgbe_write_posted_mbx(struct ixgbe_hw *, u32 *, u16, u16);
129 s32 ixgbe_check_for_msg(struct ixgbe_hw *, u16);
130 s32 ixgbe_check_for_ack(struct ixgbe_hw *, u16);
131 s32 ixgbe_check_for_rst(struct ixgbe_hw *, u16);
132 void ixgbe_init_mbx_ops_generic(struct ixgbe_hw *hw);
133 void ixgbe_init_mbx_params_vf(struct ixgbe_hw *);
134 void ixgbe_init_mbx_params_pf(struct ixgbe_hw *);
136 #endif /* _IXGBE_MBX_H_ */