| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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| 2 | /* Copyright(c) 1999 - 2018 Intel Corporation. */ |
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| 3 | |
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| 4 | #ifndef _IXGBE_MBX_H_ |
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| 5 | #define _IXGBE_MBX_H_ |
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| 6 | |
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| 7 | #include "ixgbe_type.h" |
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| 8 | |
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| 9 | #define IXGBE_VFMAILBOX_SIZE 16 /* 16 32 bit words - 64 bytes */ |
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| 10 | |
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| 11 | #define IXGBE_VFMAILBOX 0x002FC |
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| 12 | #define IXGBE_VFMBMEM 0x00200 |
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| 13 | |
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| 14 | #define IXGBE_PFMAILBOX_STS 0x00000001 /* Initiate message send to VF */ |
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| 15 | #define IXGBE_PFMAILBOX_ACK 0x00000002 /* Ack message recv'd from VF */ |
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| 16 | #define IXGBE_PFMAILBOX_VFU 0x00000004 /* VF owns the mailbox buffer */ |
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| 17 | #define IXGBE_PFMAILBOX_PFU 0x00000008 /* PF owns the mailbox buffer */ |
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| 18 | #define IXGBE_PFMAILBOX_RVFU 0x00000010 /* Reset VFU - used when VF stuck */ |
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| 19 | |
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| 20 | #define IXGBE_MBVFICR_VFREQ_MASK 0x0000FFFF /* bits for VF messages */ |
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| 21 | #define IXGBE_MBVFICR_VFREQ_VF1 0x00000001 /* bit for VF 1 message */ |
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| 22 | #define IXGBE_MBVFICR_VFACK_MASK 0xFFFF0000 /* bits for VF acks */ |
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| 23 | #define IXGBE_MBVFICR_VFACK_VF1 0x00010000 /* bit for VF 1 ack */ |
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| 24 | |
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| 25 | |
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| 26 | /* If it's a IXGBE_VF_* msg then it originates in the VF and is sent to the |
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| 27 | * PF. The reverse is true if it is IXGBE_PF_*. |
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| 28 | * Message ACK's are the value or'd with 0xF0000000 |
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| 29 | */ |
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| 30 | #define IXGBE_VT_MSGTYPE_ACK 0x80000000 /* Messages below or'd with |
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| 31 | * this are the ACK */ |
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| 32 | #define IXGBE_VT_MSGTYPE_NACK 0x40000000 /* Messages below or'd with |
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| 33 | * this are the NACK */ |
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| 34 | #define IXGBE_VT_MSGTYPE_CTS 0x20000000 /* Indicates that VF is still |
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| 35 | clear to send requests */ |
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| 36 | #define IXGBE_VT_MSGINFO_SHIFT 16 |
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| 37 | /* bits 23:16 are used for exra info for certain messages */ |
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| 38 | #define IXGBE_VT_MSGINFO_MASK (0xFF << IXGBE_VT_MSGINFO_SHIFT) |
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| 39 | |
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| 40 | /* definitions to support mailbox API version negotiation */ |
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| 41 | |
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| 42 | /* |
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| 43 | * Each element denotes a version of the API; existing numbers may not |
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| 44 | * change; any additions must go at the end |
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| 45 | */ |
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| 46 | enum ixgbe_pfvf_api_rev { |
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| 47 | ixgbe_mbox_api_10, /* API version 1.0, linux/freebsd VF driver */ |
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| 48 | ixgbe_mbox_api_20, /* API version 2.0, solaris Phase1 VF driver */ |
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| 49 | ixgbe_mbox_api_11, /* API version 1.1, linux/freebsd VF driver */ |
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| 50 | ixgbe_mbox_api_12, /* API version 1.2, linux/freebsd VF driver */ |
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| 51 | ixgbe_mbox_api_13, /* API version 1.3, linux/freebsd VF driver */ |
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| 52 | ixgbe_mbox_api_14, /* API version 1.4, linux/freebsd VF driver */ |
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| 53 | /* This value should always be last */ |
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| 54 | ixgbe_mbox_api_unknown, /* indicates that API version is not known */ |
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| 55 | }; |
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| 56 | |
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| 57 | /* mailbox API, legacy requests */ |
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| 58 | #define IXGBE_VF_RESET 0x01 /* VF requests reset */ |
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| 59 | #define IXGBE_VF_SET_MAC_ADDR 0x02 /* VF requests PF to set MAC addr */ |
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| 60 | #define IXGBE_VF_SET_MULTICAST 0x03 /* VF requests PF to set MC addr */ |
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| 61 | #define IXGBE_VF_SET_VLAN 0x04 /* VF requests PF to set VLAN */ |
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| 62 | |
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| 63 | /* mailbox API, version 1.0 VF requests */ |
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| 64 | #define IXGBE_VF_SET_LPE 0x05 /* VF requests PF to set VMOLR.LPE */ |
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| 65 | #define IXGBE_VF_SET_MACVLAN 0x06 /* VF requests PF for unicast filter */ |
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| 66 | #define IXGBE_VF_API_NEGOTIATE 0x08 /* negotiate API version */ |
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| 67 | |
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| 68 | /* mailbox API, version 1.1 VF requests */ |
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| 69 | #define IXGBE_VF_GET_QUEUES 0x09 /* get queue configuration */ |
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| 70 | |
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| 71 | /* GET_QUEUES return data indices within the mailbox */ |
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| 72 | #define IXGBE_VF_TX_QUEUES 1 /* number of Tx queues supported */ |
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| 73 | #define IXGBE_VF_RX_QUEUES 2 /* number of Rx queues supported */ |
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| 74 | #define IXGBE_VF_TRANS_VLAN 3 /* Indication of port vlan */ |
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| 75 | #define IXGBE_VF_DEF_QUEUE 4 /* Default queue offset */ |
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| 76 | |
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| 77 | /* mailbox API, version 1.2 VF requests */ |
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| 78 | #define IXGBE_VF_GET_RETA 0x0a /* VF request for RETA */ |
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| 79 | #define 0x0b /* get RSS key */ |
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| 80 | |
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| 81 | #define IXGBE_VF_UPDATE_XCAST_MODE 0x0c |
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| 82 | |
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| 83 | /* mailbox API, version 1.4 VF requests */ |
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| 84 | #define IXGBE_VF_IPSEC_ADD 0x0d |
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| 85 | #define IXGBE_VF_IPSEC_DEL 0x0e |
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| 86 | |
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| 87 | #define IXGBE_VF_GET_LINK_STATE 0x10 /* get vf link state */ |
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| 88 | |
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| 89 | /* length of permanent address message returned from PF */ |
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| 90 | #define IXGBE_VF_PERMADDR_MSG_LEN 4 |
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| 91 | /* word in permanent address message with the current multicast type */ |
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| 92 | #define IXGBE_VF_MC_TYPE_WORD 3 |
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| 93 | |
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| 94 | #define IXGBE_PF_CONTROL_MSG 0x0100 /* PF control message */ |
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| 95 | |
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| 96 | #define IXGBE_VF_MBX_INIT_TIMEOUT 2000 /* number of retries on mailbox */ |
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| 97 | #define IXGBE_VF_MBX_INIT_DELAY 500 /* microseconds between retries */ |
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| 98 | |
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| 99 | int ixgbe_read_mbx(struct ixgbe_hw *, u32 *, u16, u16); |
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| 100 | int ixgbe_write_mbx(struct ixgbe_hw *, u32 *, u16, u16); |
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| 101 | int ixgbe_check_for_msg(struct ixgbe_hw *, u16); |
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| 102 | int ixgbe_check_for_ack(struct ixgbe_hw *, u16); |
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| 103 | int ixgbe_check_for_rst(struct ixgbe_hw *, u16); |
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| 104 | #ifdef CONFIG_PCI_IOV |
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| 105 | void ixgbe_init_mbx_params_pf(struct ixgbe_hw *); |
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| 106 | #endif /* CONFIG_PCI_IOV */ |
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| 107 | |
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| 108 | extern const struct ixgbe_mbx_operations mbx_ops_generic; |
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| 109 | |
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| 110 | #endif /* _IXGBE_MBX_H_ */ |
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| 111 | |
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