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   3   Copyright (c) 2001-2015, Intel Corporation 
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  32 ******************************************************************************/
  33 /*$FreeBSD$*/
  34 
  35 #ifndef _IXGBE_MBX_H_
  36 #define _IXGBE_MBX_H_
  37 
  38 #include "ixgbe_type.h"
  39 
  40 #define IXGBE_VFMAILBOX_SIZE    16 /* 16 32 bit words - 64 bytes */
  41 #define IXGBE_ERR_MBX           -100
  42 
  43 #define IXGBE_VFMAILBOX         0x002FC
  44 #define IXGBE_VFMBMEM           0x00200
  45 
  46 /* Define mailbox register bits */
  47 #define IXGBE_VFMAILBOX_REQ     0x00000001 /* Request for PF Ready bit */
  48 #define IXGBE_VFMAILBOX_ACK     0x00000002 /* Ack PF message received */
  49 #define IXGBE_VFMAILBOX_VFU     0x00000004 /* VF owns the mailbox buffer */
  50 #define IXGBE_VFMAILBOX_PFU     0x00000008 /* PF owns the mailbox buffer */
  51 #define IXGBE_VFMAILBOX_PFSTS   0x00000010 /* PF wrote a message in the MB */
  52 #define IXGBE_VFMAILBOX_PFACK   0x00000020 /* PF ack the previous VF msg */
  53 #define IXGBE_VFMAILBOX_RSTI    0x00000040 /* PF has reset indication */
  54 #define IXGBE_VFMAILBOX_RSTD    0x00000080 /* PF has indicated reset done */
  55 #define IXGBE_VFMAILBOX_R2C_BITS        0x000000B0 /* All read to clear bits */
  56 
  57 #define IXGBE_PFMAILBOX_STS     0x00000001 /* Initiate message send to VF */
  58 #define IXGBE_PFMAILBOX_ACK     0x00000002 /* Ack message recv'd from VF */
  59 #define IXGBE_PFMAILBOX_VFU     0x00000004 /* VF owns the mailbox buffer */
  60 #define IXGBE_PFMAILBOX_PFU     0x00000008 /* PF owns the mailbox buffer */
  61 #define IXGBE_PFMAILBOX_RVFU    0x00000010 /* Reset VFU - used when VF stuck */
  62 
  63 #define IXGBE_MBVFICR_VFREQ_MASK        0x0000FFFF /* bits for VF messages */
  64 #define IXGBE_MBVFICR_VFREQ_VF1         0x00000001 /* bit for VF 1 message */
  65 #define IXGBE_MBVFICR_VFACK_MASK        0xFFFF0000 /* bits for VF acks */
  66 #define IXGBE_MBVFICR_VFACK_VF1         0x00010000 /* bit for VF 1 ack */
  67 
  68 
  69 /* If it's a IXGBE_VF_* msg then it originates in the VF and is sent to the
  70  * PF.  The reverse is TRUE if it is IXGBE_PF_*.
  71  * Message ACK's are the value or'd with 0xF0000000
  72  */
  73 #define IXGBE_VT_MSGTYPE_ACK    0x80000000 /* Messages below or'd with
  74                                             * this are the ACK */
  75 #define IXGBE_VT_MSGTYPE_NACK   0x40000000 /* Messages below or'd with
  76                                             * this are the NACK */
  77 #define IXGBE_VT_MSGTYPE_CTS    0x20000000 /* Indicates that VF is still
  78                                             * clear to send requests */
  79 #define IXGBE_VT_MSGINFO_SHIFT  16
  80 /* bits 23:16 are used for extra info for certain messages */
  81 #define IXGBE_VT_MSGINFO_MASK   (0xFF << IXGBE_VT_MSGINFO_SHIFT)
  82 
  83 /* definitions to support mailbox API version negotiation */
  84 
  85 /*
  86  * each element denotes a version of the API; existing numbers may not
  87  * change; any additions must go at the end
  88  */
  89 enum ixgbe_pfvf_api_rev {
  90         ixgbe_mbox_api_10,      /* API version 1.0, linux/freebsd VF driver */
  91         ixgbe_mbox_api_20,      /* API version 2.0, solaris Phase1 VF driver */
  92         ixgbe_mbox_api_11,      /* API version 1.1, linux/freebsd VF driver */
  93         /* This value should always be last */
  94         ixgbe_mbox_api_unknown, /* indicates that API version is not known */
  95 };
  96 
  97 /* mailbox API, legacy requests */
  98 #define IXGBE_VF_RESET          0x01 /* VF requests reset */
  99 #define IXGBE_VF_SET_MAC_ADDR   0x02 /* VF requests PF to set MAC addr */
 100 #define IXGBE_VF_SET_MULTICAST  0x03 /* VF requests PF to set MC addr */
 101 #define IXGBE_VF_SET_VLAN       0x04 /* VF requests PF to set VLAN */
 102 
 103 /* mailbox API, version 1.0 VF requests */
 104 #define IXGBE_VF_SET_LPE        0x05 /* VF requests PF to set VMOLR.LPE */
 105 #define IXGBE_VF_SET_MACVLAN    0x06 /* VF requests PF for unicast filter */
 106 #define IXGBE_VF_API_NEGOTIATE  0x08 /* negotiate API version */
 107 
 108 /* mailbox API, version 1.1 VF requests */
 109 #define IXGBE_VF_GET_QUEUES     0x09 /* get queue configuration */
 110 
 111 /* GET_QUEUES return data indices within the mailbox */
 112 #define IXGBE_VF_TX_QUEUES      1       /* number of Tx queues supported */
 113 #define IXGBE_VF_RX_QUEUES      2       /* number of Rx queues supported */
 114 #define IXGBE_VF_TRANS_VLAN     3       /* Indication of port vlan */
 115 #define IXGBE_VF_DEF_QUEUE      4       /* Default queue offset */
 116 
 117 /* length of permanent address message returned from PF */
 118 #define IXGBE_VF_PERMADDR_MSG_LEN       4
 119 /* word in permanent address message with the current multicast type */
 120 #define IXGBE_VF_MC_TYPE_WORD           3
 121 
 122 #define IXGBE_PF_CONTROL_MSG            0x0100 /* PF control message */
 123 
 124 /* mailbox API, version 2.0 VF requests */
 125 #define IXGBE_VF_API_NEGOTIATE          0x08 /* negotiate API version */
 126 #define IXGBE_VF_GET_QUEUES             0x09 /* get queue configuration */
 127 #define IXGBE_VF_ENABLE_MACADDR         0x0A /* enable MAC address */
 128 #define IXGBE_VF_DISABLE_MACADDR        0x0B /* disable MAC address */
 129 #define IXGBE_VF_GET_MACADDRS           0x0C /* get all configured MAC addrs */
 130 #define IXGBE_VF_SET_MCAST_PROMISC      0x0D /* enable multicast promiscuous */
 131 #define IXGBE_VF_GET_MTU                0x0E /* get bounds on MTU */
 132 #define IXGBE_VF_SET_MTU                0x0F /* set a specific MTU */
 133 
 134 /* mailbox API, version 2.0 PF requests */
 135 #define IXGBE_PF_TRANSPARENT_VLAN       0x0101 /* enable transparent vlan */
 136 
 137 #define IXGBE_VF_MBX_INIT_TIMEOUT       2000 /* number of retries on mailbox */
 138 #define IXGBE_VF_MBX_INIT_DELAY         500  /* microseconds between retries */
 139 
 140 s32 ixgbe_read_mbx(struct ixgbe_hw *, u32 *, u16, u16);
 141 s32 ixgbe_write_mbx(struct ixgbe_hw *, u32 *, u16, u16);
 142 s32 ixgbe_read_posted_mbx(struct ixgbe_hw *, u32 *, u16, u16);
 143 s32 ixgbe_write_posted_mbx(struct ixgbe_hw *, u32 *, u16, u16);
 144 s32 ixgbe_check_for_msg(struct ixgbe_hw *, u16);
 145 s32 ixgbe_check_for_ack(struct ixgbe_hw *, u16);
 146 s32 ixgbe_check_for_rst(struct ixgbe_hw *, u16);
 147 void ixgbe_init_mbx_ops_generic(struct ixgbe_hw *hw);
 148 void ixgbe_init_mbx_params_vf(struct ixgbe_hw *);
 149 void ixgbe_init_mbx_params_pf(struct ixgbe_hw *);
 150 
 151 #endif /* _IXGBE_MBX_H_ */