ceph/src/seastar/dpdk/drivers/net/ixgbe/base/ixgbe_mbx.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2001-2018
   3  */
   4
   5 #ifndef _IXGBE_MBX_H_
   6 #define _IXGBE_MBX_H_
   7
   8 #include "ixgbe_type.h"
   9
  10 #define IXGBE_VFMAILBOX_SIZE    16 /* 16 32 bit words - 64 bytes */
  11 #define IXGBE_ERR_MBX           -100
  12
  13 #define IXGBE_VFMAILBOX         0x002FC
  14 #define IXGBE_VFMBMEM           0x00200
  15
  16 /* Define mailbox register bits */
  17 #define IXGBE_VFMAILBOX_REQ     0x00000001 /* Request for PF Ready bit */
  18 #define IXGBE_VFMAILBOX_ACK     0x00000002 /* Ack PF message received */
  19 #define IXGBE_VFMAILBOX_VFU     0x00000004 /* VF owns the mailbox buffer */
  20 #define IXGBE_VFMAILBOX_PFU     0x00000008 /* PF owns the mailbox buffer */
  21 #define IXGBE_VFMAILBOX_PFSTS   0x00000010 /* PF wrote a message in the MB */
  22 #define IXGBE_VFMAILBOX_PFACK   0x00000020 /* PF ack the previous VF msg */
  23 #define IXGBE_VFMAILBOX_RSTI    0x00000040 /* PF has reset indication */
  24 #define IXGBE_VFMAILBOX_RSTD    0x00000080 /* PF has indicated reset done */
  25 #define IXGBE_VFMAILBOX_R2C_BITS        0x000000B0 /* All read to clear bits */
  26
  27 #define IXGBE_PFMAILBOX_STS     0x00000001 /* Initiate message send to VF */
  28 #define IXGBE_PFMAILBOX_ACK     0x00000002 /* Ack message recv'd from VF */
  29 #define IXGBE_PFMAILBOX_VFU     0x00000004 /* VF owns the mailbox buffer */
  30 #define IXGBE_PFMAILBOX_PFU     0x00000008 /* PF owns the mailbox buffer */
  31 #define IXGBE_PFMAILBOX_RVFU    0x00000010 /* Reset VFU - used when VF stuck */
  32
  33 #define IXGBE_MBVFICR_VFREQ_MASK        0x0000FFFF /* bits for VF messages */
  34 #define IXGBE_MBVFICR_VFREQ_VF1         0x00000001 /* bit for VF 1 message */
  35 #define IXGBE_MBVFICR_VFACK_MASK        0xFFFF0000 /* bits for VF acks */
  36 #define IXGBE_MBVFICR_VFACK_VF1         0x00010000 /* bit for VF 1 ack */
  37
  38
  39 /* If it's a IXGBE_VF_* msg then it originates in the VF and is sent to the
  40  * PF.  The reverse is true if it is IXGBE_PF_*.
  41  * Message ACK's are the value or'd with 0xF0000000
  42  */
  43 #define IXGBE_VT_MSGTYPE_ACK    0x80000000 /* Messages below or'd with
  44                                             * this are the ACK */
  45 #define IXGBE_VT_MSGTYPE_NACK   0x40000000 /* Messages below or'd with
  46                                             * this are the NACK */
  47 #define IXGBE_VT_MSGTYPE_CTS    0x20000000 /* Indicates that VF is still
  48                                             * clear to send requests */
  49 #define IXGBE_VT_MSGINFO_SHIFT  16
  50 /* bits 23:16 are used for extra info for certain messages */
  51 #define IXGBE_VT_MSGINFO_MASK   (0xFF << IXGBE_VT_MSGINFO_SHIFT)
  52
  53 /* definitions to support mailbox API version negotiation */
  54
  55 /*
  56  * each element denotes a version of the API; existing numbers may not
  57  * change; any additions must go at the end
  58  */
  59 enum ixgbe_pfvf_api_rev {
  60         ixgbe_mbox_api_10,      /* API version 1.0, linux/freebsd VF driver */
  61         ixgbe_mbox_api_20,      /* API version 2.0, solaris Phase1 VF driver */
  62         ixgbe_mbox_api_11,      /* API version 1.1, linux/freebsd VF driver */
  63         ixgbe_mbox_api_12,      /* API version 1.2, linux/freebsd VF driver */
  64         ixgbe_mbox_api_13,      /* API version 1.3, linux/freebsd VF driver */
  65         /* This value should always be last */
  66         ixgbe_mbox_api_unknown, /* indicates that API version is not known */
  67 };
  68
  69 /* mailbox API, legacy requests */
  70 #define IXGBE_VF_RESET          0x01 /* VF requests reset */
  71 #define IXGBE_VF_SET_MAC_ADDR   0x02 /* VF requests PF to set MAC addr */
  72 #define IXGBE_VF_SET_MULTICAST  0x03 /* VF requests PF to set MC addr */
  73 #define IXGBE_VF_SET_VLAN       0x04 /* VF requests PF to set VLAN */
  74
  75 /* mailbox API, version 1.0 VF requests */
  76 #define IXGBE_VF_SET_LPE        0x05 /* VF requests PF to set VMOLR.LPE */
  77 #define IXGBE_VF_SET_MACVLAN    0x06 /* VF requests PF for unicast filter */
  78 #define IXGBE_VF_API_NEGOTIATE  0x08 /* negotiate API version */
  79
  80 /* mailbox API, version 1.1 VF requests */
  81 #define IXGBE_VF_GET_QUEUES     0x09 /* get queue configuration */
  82
  83 /* mailbox API, version 1.2 VF requests */
  84 #define IXGBE_VF_GET_RETA      0x0a    /* VF request for RETA */
  85 #define IXGBE_VF_GET_RSS_KEY    0x0b    /* get RSS key */
  86 #define IXGBE_VF_UPDATE_XCAST_MODE      0x0c
  87
  88 /* mode choices for IXGBE_VF_UPDATE_XCAST_MODE */
  89 enum ixgbevf_xcast_modes {
  90         IXGBEVF_XCAST_MODE_NONE = 0,
  91         IXGBEVF_XCAST_MODE_MULTI,
  92         IXGBEVF_XCAST_MODE_ALLMULTI,
  93         IXGBEVF_XCAST_MODE_PROMISC,
  94 };
  95
  96 /* GET_QUEUES return data indices within the mailbox */
  97 #define IXGBE_VF_TX_QUEUES      1       /* number of Tx queues supported */
  98 #define IXGBE_VF_RX_QUEUES      2       /* number of Rx queues supported */
  99 #define IXGBE_VF_TRANS_VLAN     3       /* Indication of port vlan */
 100 #define IXGBE_VF_DEF_QUEUE      4       /* Default queue offset */
 101
 102 /* length of permanent address message returned from PF */
 103 #define IXGBE_VF_PERMADDR_MSG_LEN       4
 104 /* word in permanent address message with the current multicast type */
 105 #define IXGBE_VF_MC_TYPE_WORD           3
 106
 107 #define IXGBE_PF_CONTROL_MSG            0x0100 /* PF control message */
 108
 109 /* mailbox API, version 2.0 VF requests */
 110 #define IXGBE_VF_API_NEGOTIATE          0x08 /* negotiate API version */
 111 #define IXGBE_VF_GET_QUEUES             0x09 /* get queue configuration */
 112 #define IXGBE_VF_ENABLE_MACADDR         0x0A /* enable MAC address */
 113 #define IXGBE_VF_DISABLE_MACADDR        0x0B /* disable MAC address */
 114 #define IXGBE_VF_GET_MACADDRS           0x0C /* get all configured MAC addrs */
 115 #define IXGBE_VF_SET_MCAST_PROMISC      0x0D /* enable multicast promiscuous */
 116 #define IXGBE_VF_GET_MTU                0x0E /* get bounds on MTU */
 117 #define IXGBE_VF_SET_MTU                0x0F /* set a specific MTU */
 118
 119 /* mailbox API, version 2.0 PF requests */
 120 #define IXGBE_PF_TRANSPARENT_VLAN       0x0101 /* enable transparent vlan */
 121
 122 #define IXGBE_VF_MBX_INIT_TIMEOUT       2000 /* number of retries on mailbox */
 123 #define IXGBE_VF_MBX_INIT_DELAY         500  /* microseconds between retries */
 124
 125 s32 ixgbe_read_mbx(struct ixgbe_hw *, u32 *, u16, u16);
 126 s32 ixgbe_write_mbx(struct ixgbe_hw *, u32 *, u16, u16);
 127 s32 ixgbe_read_posted_mbx(struct ixgbe_hw *, u32 *, u16, u16);
 128 s32 ixgbe_write_posted_mbx(struct ixgbe_hw *, u32 *, u16, u16);
 129 s32 ixgbe_check_for_msg(struct ixgbe_hw *, u16);
 130 s32 ixgbe_check_for_ack(struct ixgbe_hw *, u16);
 131 s32 ixgbe_check_for_rst(struct ixgbe_hw *, u16);
 132 void ixgbe_init_mbx_ops_generic(struct ixgbe_hw *hw);
 133 void ixgbe_init_mbx_params_vf(struct ixgbe_hw *);
 134 void ixgbe_init_mbx_params_pf(struct ixgbe_hw *);
 135
 136 #endif /* _IXGBE_MBX_H_ */