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OSCL-LXR

 
 

    


0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 /* Copyright(c) 1999 - 2018 Intel Corporation. */
0003 
0004 #ifndef _E1000_MBX_H_
0005 #define _E1000_MBX_H_
0006 
0007 #include "vf.h"
0008 
0009 #define E1000_V2PMAILBOX_REQ    0x00000001 /* Request for PF Ready bit */
0010 #define E1000_V2PMAILBOX_ACK    0x00000002 /* Ack PF message received */
0011 #define E1000_V2PMAILBOX_VFU    0x00000004 /* VF owns the mailbox buffer */
0012 #define E1000_V2PMAILBOX_PFU    0x00000008 /* PF owns the mailbox buffer */
0013 #define E1000_V2PMAILBOX_PFSTS  0x00000010 /* PF wrote a message in the MB */
0014 #define E1000_V2PMAILBOX_PFACK  0x00000020 /* PF ack the previous VF msg */
0015 #define E1000_V2PMAILBOX_RSTI   0x00000040 /* PF has reset indication */
0016 #define E1000_V2PMAILBOX_RSTD   0x00000080 /* PF has indicated reset done */
0017 #define E1000_V2PMAILBOX_R2C_BITS 0x000000B0 /* All read to clear bits */
0018 
0019 #define E1000_VFMAILBOX_SIZE    16 /* 16 32 bit words - 64 bytes */
0020 
0021 /* If it's a E1000_VF_* msg then it originates in the VF and is sent to the
0022  * PF.  The reverse is true if it is E1000_PF_*.
0023  * Message ACK's are the value or'd with 0xF0000000
0024  */
0025 /* Messages below or'd with this are the ACK */
0026 #define E1000_VT_MSGTYPE_ACK    0x80000000
0027 /* Messages below or'd with this are the NACK */
0028 #define E1000_VT_MSGTYPE_NACK   0x40000000
0029 /* Indicates that VF is still clear to send requests */
0030 #define E1000_VT_MSGTYPE_CTS    0x20000000
0031 
0032 /* We have a total wait time of 1s for vf mailbox posted messages */
0033 #define E1000_VF_MBX_INIT_TIMEOUT   2000 /* retry count for mbx timeout */
0034 #define E1000_VF_MBX_INIT_DELAY     500  /* usec delay between retries */
0035 
0036 #define E1000_VT_MSGINFO_SHIFT  16
0037 /* bits 23:16 are used for exra info for certain messages */
0038 #define E1000_VT_MSGINFO_MASK   (0xFF << E1000_VT_MSGINFO_SHIFT)
0039 
0040 #define E1000_VF_RESET      0x01 /* VF requests reset */
0041 #define E1000_VF_SET_MAC_ADDR   0x02 /* VF requests PF to set MAC addr */
0042 /* VF requests PF to clear all unicast MAC filters */
0043 #define E1000_VF_MAC_FILTER_CLR (0x01 << E1000_VT_MSGINFO_SHIFT)
0044 /* VF requests PF to add unicast MAC filter */
0045 #define E1000_VF_MAC_FILTER_ADD (0x02 << E1000_VT_MSGINFO_SHIFT)
0046 #define E1000_VF_SET_MULTICAST  0x03 /* VF requests PF to set MC addr */
0047 #define E1000_VF_SET_VLAN   0x04 /* VF requests PF to set VLAN */
0048 #define E1000_VF_SET_LPE    0x05 /* VF requests PF to set VMOLR.LPE */
0049 
0050 #define E1000_PF_CONTROL_MSG    0x0100 /* PF control message */
0051 
0052 void e1000_init_mbx_ops_generic(struct e1000_hw *hw);
0053 s32 e1000_init_mbx_params_vf(struct e1000_hw *);
0054 
0055 #endif /* _E1000_MBX_H_ */