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 */
61struct 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_ */