| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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| 2 | /* Copyright(c) 2007 - 2018 Intel Corporation. */ |
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| 3 | |
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| 4 | #ifndef _E1000_MBX_H_ |
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| 5 | #define _E1000_MBX_H_ |
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| 6 | |
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| 7 | #include "e1000_hw.h" |
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| 8 | |
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| 9 | #define E1000_P2VMAILBOX_STS 0x00000001 /* Initiate message send to VF */ |
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| 10 | #define E1000_P2VMAILBOX_ACK 0x00000002 /* Ack message recv'd from VF */ |
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| 11 | #define E1000_P2VMAILBOX_VFU 0x00000004 /* VF owns the mailbox buffer */ |
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| 12 | #define E1000_P2VMAILBOX_PFU 0x00000008 /* PF owns the mailbox buffer */ |
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| 13 | #define E1000_P2VMAILBOX_RVFU 0x00000010 /* Reset VFU - used when VF stuck */ |
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| 14 | |
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| 15 | #define E1000_MBVFICR_VFREQ_MASK 0x000000FF /* bits for VF messages */ |
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| 16 | #define E1000_MBVFICR_VFREQ_VF1 0x00000001 /* bit for VF 1 message */ |
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| 17 | #define E1000_MBVFICR_VFACK_MASK 0x00FF0000 /* bits for VF acks */ |
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| 18 | #define E1000_MBVFICR_VFACK_VF1 0x00010000 /* bit for VF 1 ack */ |
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| 19 | |
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| 20 | #define E1000_VFMAILBOX_SIZE 16 /* 16 32 bit words - 64 bytes */ |
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| 21 | |
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| 22 | /* If it's a E1000_VF_* msg then it originates in the VF and is sent to the |
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| 23 | * PF. The reverse is true if it is E1000_PF_*. |
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| 24 | * Message ACK's are the value or'd with 0xF0000000 |
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| 25 | */ |
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| 26 | /* Messages below or'd with this are the ACK */ |
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| 27 | #define E1000_VT_MSGTYPE_ACK 0x80000000 |
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| 28 | /* Messages below or'd with this are the NACK */ |
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| 29 | #define E1000_VT_MSGTYPE_NACK 0x40000000 |
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| 30 | /* Indicates that VF is still clear to send requests */ |
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| 31 | #define E1000_VT_MSGTYPE_CTS 0x20000000 |
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| 32 | #define E1000_VT_MSGINFO_SHIFT 16 |
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| 33 | /* bits 23:16 are used for exra info for certain messages */ |
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| 34 | #define E1000_VT_MSGINFO_MASK (0xFF << E1000_VT_MSGINFO_SHIFT) |
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| 35 | |
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| 36 | #define E1000_VF_RESET 0x01 /* VF requests reset */ |
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| 37 | #define E1000_VF_SET_MAC_ADDR 0x02 /* VF requests to set MAC addr */ |
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| 38 | /* VF requests to clear all unicast MAC filters */ |
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| 39 | #define E1000_VF_MAC_FILTER_CLR (0x01 << E1000_VT_MSGINFO_SHIFT) |
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| 40 | /* VF requests to add unicast MAC filter */ |
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| 41 | #define E1000_VF_MAC_FILTER_ADD (0x02 << E1000_VT_MSGINFO_SHIFT) |
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| 42 | #define E1000_VF_SET_MULTICAST 0x03 /* VF requests to set MC addr */ |
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| 43 | #define E1000_VF_SET_VLAN 0x04 /* VF requests to set VLAN */ |
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| 44 | #define E1000_VF_SET_LPE 0x05 /* VF requests to set VMOLR.LPE */ |
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| 45 | #define E1000_VF_SET_PROMISC 0x06 /*VF requests to clear VMOLR.ROPE/MPME*/ |
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| 46 | #define E1000_VF_SET_PROMISC_MULTICAST (0x02 << E1000_VT_MSGINFO_SHIFT) |
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| 47 | |
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| 48 | #define E1000_PF_CONTROL_MSG 0x0100 /* PF control message */ |
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| 49 | |
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| 50 | s32 igb_read_mbx(struct e1000_hw *hw, u32 *msg, u16 size, u16 mbx_id, |
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| 51 | bool unlock); |
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| 52 | s32 igb_write_mbx(struct e1000_hw *hw, u32 *msg, u16 size, u16 mbx_id); |
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| 53 | s32 igb_check_for_msg(struct e1000_hw *hw, u16 mbx_id); |
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| 54 | s32 igb_check_for_ack(struct e1000_hw *hw, u16 mbx_id); |
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| 55 | s32 igb_check_for_rst(struct e1000_hw *hw, u16 mbx_id); |
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| 56 | s32 igb_unlock_mbx(struct e1000_hw *hw, u16 mbx_id); |
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| 57 | s32 igb_init_mbx_params_pf(struct e1000_hw *hw); |
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| 58 | |
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| 59 | #endif /* _E1000_MBX_H_ */ |
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| 60 | |
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