scsi/fnic/vnic_scsi.h

0001 /* SPDX-License-Identifier: GPL-2.0-only */
0002 /*
0003  * Copyright 2008 Cisco Systems, Inc.  All rights reserved.
0004  * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
0005  */
0006 #ifndef _VNIC_SCSI_H_
0007 #define _VNIC_SCSI_H_
0008
0009 #define VNIC_FNIC_WQ_COPY_COUNT_MIN         1
0010 #define VNIC_FNIC_WQ_COPY_COUNT_MAX         1
0011
0012 #define VNIC_FNIC_WQ_DESCS_MIN              64
0013 #define VNIC_FNIC_WQ_DESCS_MAX              128
0014
0015 #define VNIC_FNIC_WQ_COPY_DESCS_MIN         64
0016 #define VNIC_FNIC_WQ_COPY_DESCS_MAX         512
0017
0018 #define VNIC_FNIC_RQ_DESCS_MIN              64
0019 #define VNIC_FNIC_RQ_DESCS_MAX              128
0020
0021 #define VNIC_FNIC_EDTOV_MIN                 1000
0022 #define VNIC_FNIC_EDTOV_MAX                 255000
0023 #define VNIC_FNIC_EDTOV_DEF                 2000
0024
0025 #define VNIC_FNIC_RATOV_MIN                 1000
0026 #define VNIC_FNIC_RATOV_MAX                 255000
0027
0028 #define VNIC_FNIC_MAXDATAFIELDSIZE_MIN      256
0029 #define VNIC_FNIC_MAXDATAFIELDSIZE_MAX      2112
0030
0031 #define VNIC_FNIC_FLOGI_RETRIES_MIN         0
0032 #define VNIC_FNIC_FLOGI_RETRIES_MAX         0xffffffff
0033 #define VNIC_FNIC_FLOGI_RETRIES_DEF         0xffffffff
0034
0035 #define VNIC_FNIC_FLOGI_TIMEOUT_MIN         1000
0036 #define VNIC_FNIC_FLOGI_TIMEOUT_MAX         255000
0037
0038 #define VNIC_FNIC_PLOGI_RETRIES_MIN         0
0039 #define VNIC_FNIC_PLOGI_RETRIES_MAX         255
0040 #define VNIC_FNIC_PLOGI_RETRIES_DEF         8
0041
0042 #define VNIC_FNIC_PLOGI_TIMEOUT_MIN         1000
0043 #define VNIC_FNIC_PLOGI_TIMEOUT_MAX         255000
0044
0045 #define VNIC_FNIC_IO_THROTTLE_COUNT_MIN     1
0046 #define VNIC_FNIC_IO_THROTTLE_COUNT_MAX     2048
0047
0048 #define VNIC_FNIC_LINK_DOWN_TIMEOUT_MIN     0
0049 #define VNIC_FNIC_LINK_DOWN_TIMEOUT_MAX     240000
0050
0051 #define VNIC_FNIC_PORT_DOWN_TIMEOUT_MIN     0
0052 #define VNIC_FNIC_PORT_DOWN_TIMEOUT_MAX     240000
0053
0054 #define VNIC_FNIC_PORT_DOWN_IO_RETRIES_MIN  0
0055 #define VNIC_FNIC_PORT_DOWN_IO_RETRIES_MAX  255
0056
0057 #define VNIC_FNIC_LUNS_PER_TARGET_MIN       1
0058 #define VNIC_FNIC_LUNS_PER_TARGET_MAX       1024
0059
0060 /* Device-specific region: scsi configuration */
0061 struct vnic_fc_config {
0062     u64 node_wwn;
0063     u64 port_wwn;
0064     u32 flags;
0065     u32 wq_enet_desc_count;
0066     u32 wq_copy_desc_count;
0067     u32 rq_desc_count;
0068     u32 flogi_retries;
0069     u32 flogi_timeout;
0070     u32 plogi_retries;
0071     u32 plogi_timeout;
0072     u32 io_throttle_count;
0073     u32 link_down_timeout;
0074     u32 port_down_timeout;
0075     u32 port_down_io_retries;
0076     u32 luns_per_tgt;
0077     u16 maxdatafieldsize;
0078     u16 ed_tov;
0079     u16 ra_tov;
0080     u16 intr_timer;
0081     u8 intr_timer_type;
0082 };
0083
0084 #define VFCF_FCP_SEQ_LVL_ERR    0x1 /* Enable FCP-2 Error Recovery */
0085 #define VFCF_PERBI      0x2 /* persistent binding info available */
0086 #define VFCF_FIP_CAPABLE    0x4 /* firmware can handle FIP */
0087
0088 #endif /* _VNIC_SCSI_H_ */