FreeBSD/Linux Kernel Cross Reference
sys/dev/e1000/e1000_mbx.h

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    /*$FreeBSD$*/
    
    #ifndef _E1000_MBX_H_
    #define _E1000_MBX_H_
    
    #include "e1000_api.h"
    
    /* Define mailbox register bits */
    #define E1000_V2PMAILBOX_REQ    0x00000001 /* Request for PF Ready bit */
    #define E1000_V2PMAILBOX_ACK    0x00000002 /* Ack PF message received */
    #define E1000_V2PMAILBOX_VFU    0x00000004 /* VF owns the mailbox buffer */
    #define E1000_V2PMAILBOX_PFU    0x00000008 /* PF owns the mailbox buffer */
    #define E1000_V2PMAILBOX_PFSTS  0x00000010 /* PF wrote a message in the MB */
    #define E1000_V2PMAILBOX_PFACK  0x00000020 /* PF ack the previous VF msg */
    #define E1000_V2PMAILBOX_RSTI   0x00000040 /* PF has reset indication */
    #define E1000_V2PMAILBOX_RSTD   0x00000080 /* PF has indicated reset done */
    #define E1000_V2PMAILBOX_R2C_BITS 0x000000B0 /* All read to clear bits */
    
    #define E1000_P2VMAILBOX_STS    0x00000001 /* Initiate message send to VF */
    #define E1000_P2VMAILBOX_ACK    0x00000002 /* Ack message recv'd from VF */
    #define E1000_P2VMAILBOX_VFU    0x00000004 /* VF owns the mailbox buffer */
    #define E1000_P2VMAILBOX_PFU    0x00000008 /* PF owns the mailbox buffer */
    #define E1000_P2VMAILBOX_RVFU   0x00000010 /* Reset VFU - used when VF stuck */
    
    #define E1000_MBVFICR_VFREQ_MASK 0x000000FF /* bits for VF messages */
    #define E1000_MBVFICR_VFREQ_VF1 0x00000001 /* bit for VF 1 message */
    #define E1000_MBVFICR_VFACK_MASK 0x00FF0000 /* bits for VF acks */
    #define E1000_MBVFICR_VFACK_VF1 0x00010000 /* bit for VF 1 ack */
    
    #define E1000_VFMAILBOX_SIZE    16 /* 16 32 bit words - 64 bytes */
    
    /* If it's a E1000_VF_* msg then it originates in the VF and is sent to the
     * PF.  The reverse is true if it is E1000_PF_*.
     * Message ACK's are the value or'd with 0xF0000000
     */
    /* Msgs below or'd with this are the ACK */
    #define E1000_VT_MSGTYPE_ACK    0x80000000
    /* Msgs below or'd with this are the NACK */
    #define E1000_VT_MSGTYPE_NACK   0x40000000
    /* Indicates that VF is still clear to send requests */
    #define E1000_VT_MSGTYPE_CTS    0x20000000
    #define E1000_VT_MSGINFO_SHIFT  16
    /* bits 23:16 are used for extra info for certain messages */
    #define E1000_VT_MSGINFO_MASK   (0xFF << E1000_VT_MSGINFO_SHIFT)
    
    #define E1000_VF_RESET                  0x01 /* VF requests reset */
    #define E1000_VF_SET_MAC_ADDR           0x02 /* VF requests to set MAC addr */
    #define E1000_VF_SET_MULTICAST          0x03 /* VF requests to set MC addr */
    #define E1000_VF_SET_MULTICAST_COUNT_MASK (0x1F << E1000_VT_MSGINFO_SHIFT)
    #define E1000_VF_SET_MULTICAST_OVERFLOW (0x80 << E1000_VT_MSGINFO_SHIFT)
    #define E1000_VF_SET_VLAN               0x04 /* VF requests to set VLAN */
    #define E1000_VF_SET_VLAN_ADD           (0x01 << E1000_VT_MSGINFO_SHIFT)
    #define E1000_VF_SET_LPE                0x05 /* reqs to set VMOLR.LPE */
    #define E1000_VF_SET_PROMISC            0x06 /* reqs to clear VMOLR.ROPE/MPME*/
    #define E1000_VF_SET_PROMISC_UNICAST    (0x01 << E1000_VT_MSGINFO_SHIFT)
    #define E1000_VF_SET_PROMISC_MULTICAST  (0x02 << E1000_VT_MSGINFO_SHIFT)
    
    #define E1000_PF_CONTROL_MSG            0x0100 /* PF control message */
    
    #define E1000_VF_MBX_INIT_TIMEOUT       2000 /* number of retries on mailbox */
    #define E1000_VF_MBX_INIT_DELAY         500  /* microseconds between retries */
    
    s32 e1000_read_mbx(struct e1000_hw *, u32 *, u16, u16);
    s32 e1000_write_mbx(struct e1000_hw *, u32 *, u16, u16);
    s32 e1000_read_posted_mbx(struct e1000_hw *, u32 *, u16, u16);
    s32 e1000_write_posted_mbx(struct e1000_hw *, u32 *, u16, u16);
   s32 e1000_check_for_msg(struct e1000_hw *, u16);
   s32 e1000_check_for_ack(struct e1000_hw *, u16);
   s32 e1000_check_for_rst(struct e1000_hw *, u16);
   void e1000_init_mbx_ops_generic(struct e1000_hw *hw);
   s32 e1000_init_mbx_params_vf(struct e1000_hw *);
   s32 e1000_init_mbx_params_pf(struct e1000_hw *);
   
   #endif /* _E1000_MBX_H_ */

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