drivers/scsi/fnic/vnic_scsi.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Copyright 2008 Cisco Systems, Inc.  All rights reserved.
   4  * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
   5  */
   6 #ifndef _VNIC_SCSI_H_
   7 #define _VNIC_SCSI_H_
   8
   9 #define VNIC_FNIC_WQ_COPY_COUNT_MIN         1
  10 #define VNIC_FNIC_WQ_COPY_COUNT_MAX         1
  11
  12 #define VNIC_FNIC_WQ_DESCS_MIN              64
  13 #define VNIC_FNIC_WQ_DESCS_MAX              128
  14
  15 #define VNIC_FNIC_WQ_COPY_DESCS_MIN         64
  16 #define VNIC_FNIC_WQ_COPY_DESCS_MAX         512
  17
  18 #define VNIC_FNIC_RQ_DESCS_MIN              64
  19 #define VNIC_FNIC_RQ_DESCS_MAX              128
  20
  21 #define VNIC_FNIC_EDTOV_MIN                 1000
  22 #define VNIC_FNIC_EDTOV_MAX                 255000
  23 #define VNIC_FNIC_EDTOV_DEF                 2000
  24
  25 #define VNIC_FNIC_RATOV_MIN                 1000
  26 #define VNIC_FNIC_RATOV_MAX                 255000
  27
  28 #define VNIC_FNIC_MAXDATAFIELDSIZE_MIN      256
  29 #define VNIC_FNIC_MAXDATAFIELDSIZE_MAX      2048
  30
  31 #define VNIC_FNIC_FLOGI_RETRIES_MIN         0
  32 #define VNIC_FNIC_FLOGI_RETRIES_MAX         0xffffffff
  33 #define VNIC_FNIC_FLOGI_RETRIES_DEF         0xffffffff
  34
  35 #define VNIC_FNIC_FLOGI_TIMEOUT_MIN         1000
  36 #define VNIC_FNIC_FLOGI_TIMEOUT_MAX         255000
  37
  38 #define VNIC_FNIC_PLOGI_RETRIES_MIN         0
  39 #define VNIC_FNIC_PLOGI_RETRIES_MAX         255
  40 #define VNIC_FNIC_PLOGI_RETRIES_DEF         8
  41
  42 #define VNIC_FNIC_PLOGI_TIMEOUT_MIN         1000
  43 #define VNIC_FNIC_PLOGI_TIMEOUT_MAX         255000
  44
  45 #define VNIC_FNIC_IO_THROTTLE_COUNT_MIN     1
  46 #define VNIC_FNIC_IO_THROTTLE_COUNT_MAX     2048
  47
  48 #define VNIC_FNIC_LINK_DOWN_TIMEOUT_MIN     0
  49 #define VNIC_FNIC_LINK_DOWN_TIMEOUT_MAX     240000
  50
  51 #define VNIC_FNIC_PORT_DOWN_TIMEOUT_MIN     0
  52 #define VNIC_FNIC_PORT_DOWN_TIMEOUT_MAX     240000
  53
  54 #define VNIC_FNIC_PORT_DOWN_IO_RETRIES_MIN  0
  55 #define VNIC_FNIC_PORT_DOWN_IO_RETRIES_MAX  255
  56
  57 #define VNIC_FNIC_LUNS_PER_TARGET_MIN       1
  58 #define VNIC_FNIC_LUNS_PER_TARGET_MAX       4096
  59
  60 /* Device-specific region: scsi configuration */
  61 struct vnic_fc_config {
  62         u64 node_wwn;
  63         u64 port_wwn;
  64         u32 flags;
  65         u32 wq_enet_desc_count;
  66         u32 wq_copy_desc_count;
  67         u32 rq_desc_count;
  68         u32 flogi_retries;
  69         u32 flogi_timeout;
  70         u32 plogi_retries;
  71         u32 plogi_timeout;
  72         u32 io_throttle_count;
  73         u32 link_down_timeout;
  74         u32 port_down_timeout;
  75         u32 port_down_io_retries;
  76         u32 luns_per_tgt;
  77         u16 maxdatafieldsize;
  78         u16 ed_tov;
  79         u16 ra_tov;
  80         u16 intr_timer;
  81         u8 intr_timer_type;
  82         u8 intr_mode;
  83         u8 lun_queue_depth;
  84         u8 io_timeout_retry;
  85         u16 wq_copy_count;
  86 };
  87
  88 #define VFCF_FCP_SEQ_LVL_ERR    0x1     /* Enable FCP-2 Error Recovery */
  89 #define VFCF_PERBI              0x2     /* persistent binding info available */
  90 #define VFCF_FIP_CAPABLE        0x4     /* firmware can handle FIP */
  91
  92 #define VFCF_FC_INITIATOR         0x20    /* FC Initiator Mode */
  93 #define VFCF_FC_TARGET            0x40    /* FC Target Mode */
  94 #define VFCF_FC_NVME_INITIATOR    0x80    /* FC-NVMe Initiator Mode */
  95 #define VFCF_FC_NVME_TARGET       0x100   /* FC-NVMe Target Mode */
  96
  97 #endif /* _VNIC_SCSI_H_ */