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/*$FreeBSD: release/9.1.0/sys/dev/ixgbe/ixgbe_mbx.h 235528 2012-05-17 00:06:54Z jfv $*/
#ifndef _IXGBE_MBX_H_
#define _IXGBE_MBX_H_
#include "ixgbe_type.h"
#define IXGBE_VFMAILBOX_SIZE 16 /* 16 32 bit words - 64 bytes */
#define IXGBE_ERR_MBX -100
#define IXGBE_VFMAILBOX 0x002FC
#define IXGBE_VFMBMEM 0x00200
/* Define mailbox register bits */
#define IXGBE_VFMAILBOX_REQ 0x00000001 /* Request for PF Ready bit */
#define IXGBE_VFMAILBOX_ACK 0x00000002 /* Ack PF message received */
#define IXGBE_VFMAILBOX_VFU 0x00000004 /* VF owns the mailbox buffer */
#define IXGBE_VFMAILBOX_PFU 0x00000008 /* PF owns the mailbox buffer */
#define IXGBE_VFMAILBOX_PFSTS 0x00000010 /* PF wrote a message in the MB */
#define IXGBE_VFMAILBOX_PFACK 0x00000020 /* PF ack the previous VF msg */
#define IXGBE_VFMAILBOX_RSTI 0x00000040 /* PF has reset indication */
#define IXGBE_VFMAILBOX_RSTD 0x00000080 /* PF has indicated reset done */
#define IXGBE_VFMAILBOX_R2C_BITS 0x000000B0 /* All read to clear bits */
#define IXGBE_PFMAILBOX_STS 0x00000001 /* Initiate message send to VF */
#define IXGBE_PFMAILBOX_ACK 0x00000002 /* Ack message recv'd from VF */
#define IXGBE_PFMAILBOX_VFU 0x00000004 /* VF owns the mailbox buffer */
#define IXGBE_PFMAILBOX_PFU 0x00000008 /* PF owns the mailbox buffer */
#define IXGBE_PFMAILBOX_RVFU 0x00000010 /* Reset VFU - used when VF stuck */
#define IXGBE_MBVFICR_VFREQ_MASK 0x0000FFFF /* bits for VF messages */
#define IXGBE_MBVFICR_VFREQ_VF1 0x00000001 /* bit for VF 1 message */
#define IXGBE_MBVFICR_VFACK_MASK 0xFFFF0000 /* bits for VF acks */
#define IXGBE_MBVFICR_VFACK_VF1 0x00010000 /* bit for VF 1 ack */
/* If it's a IXGBE_VF_* msg then it originates in the VF and is sent to the
* PF. The reverse is TRUE if it is IXGBE_PF_*.
* Message ACK's are the value or'd with 0xF0000000
*/
#define IXGBE_VT_MSGTYPE_ACK 0x80000000 /* Messages below or'd with
* this are the ACK */
#define IXGBE_VT_MSGTYPE_NACK 0x40000000 /* Messages below or'd with
* this are the NACK */
#define IXGBE_VT_MSGTYPE_CTS 0x20000000 /* Indicates that VF is still
* clear to send requests */
#define IXGBE_VT_MSGINFO_SHIFT 16
/* bits 23:16 are used for extra info for certain messages */
#define IXGBE_VT_MSGINFO_MASK (0xFF << IXGBE_VT_MSGINFO_SHIFT)
#define IXGBE_VF_RESET 0x01 /* VF requests reset */
#define IXGBE_VF_SET_MAC_ADDR 0x02 /* VF requests PF to set MAC addr */
#define IXGBE_VF_SET_MULTICAST 0x03 /* VF requests PF to set MC addr */
#define IXGBE_VF_SET_VLAN 0x04 /* VF requests PF to set VLAN */
#define IXGBE_VF_SET_LPE 0x05 /* VF requests PF to set VMOLR.LPE */
#define IXGBE_VF_SET_MACVLAN 0x06 /* VF requests PF for unicast filter */
/* length of permanent address message returned from PF */
#define IXGBE_VF_PERMADDR_MSG_LEN 4
/* word in permanent address message with the current multicast type */
#define IXGBE_VF_MC_TYPE_WORD 3
#define IXGBE_PF_CONTROL_MSG 0x0100 /* PF control message */
#define IXGBE_VF_MBX_INIT_TIMEOUT 2000 /* number of retries on mailbox */
#define IXGBE_VF_MBX_INIT_DELAY 500 /* microseconds between retries */
s32 ixgbe_read_mbx(struct ixgbe_hw *, u32 *, u16, u16);
s32 ixgbe_write_mbx(struct ixgbe_hw *, u32 *, u16, u16);
s32 ixgbe_read_posted_mbx(struct ixgbe_hw *, u32 *, u16, u16);
s32 ixgbe_write_posted_mbx(struct ixgbe_hw *, u32 *, u16, u16);
s32 ixgbe_check_for_msg(struct ixgbe_hw *, u16);
s32 ixgbe_check_for_ack(struct ixgbe_hw *, u16);
s32 ixgbe_check_for_rst(struct ixgbe_hw *, u16);
void ixgbe_init_mbx_ops_generic(struct ixgbe_hw *hw);
void ixgbe_init_mbx_params_vf(struct ixgbe_hw *);
void ixgbe_init_mbx_params_pf(struct ixgbe_hw *);
#endif /* _IXGBE_MBX_H_ */