1/*
2 * Copyright 2008 Cisco Systems, Inc.  All rights reserved.
3 * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
4 *
5 * This program is free software; you may redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; version 2 of the License.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
10 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
11 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
12 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
13 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
14 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
15 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
16 * SOFTWARE.
17 */
18#ifndef _VNIC_SCSI_H_
19#define _VNIC_SCSI_H_
20
21#define VNIC_FNIC_WQ_COPY_COUNT_MIN         1
22#define VNIC_FNIC_WQ_COPY_COUNT_MAX         1
23
24#define VNIC_FNIC_WQ_DESCS_MIN              64
25#define VNIC_FNIC_WQ_DESCS_MAX              128
26
27#define VNIC_FNIC_WQ_COPY_DESCS_MIN         64
28#define VNIC_FNIC_WQ_COPY_DESCS_MAX         512
29
30#define VNIC_FNIC_RQ_DESCS_MIN              64
31#define VNIC_FNIC_RQ_DESCS_MAX              128
32
33#define VNIC_FNIC_EDTOV_MIN                 1000
34#define VNIC_FNIC_EDTOV_MAX                 255000
35#define VNIC_FNIC_EDTOV_DEF                 2000
36
37#define VNIC_FNIC_RATOV_MIN                 1000
38#define VNIC_FNIC_RATOV_MAX                 255000
39
40#define VNIC_FNIC_MAXDATAFIELDSIZE_MIN      256
41#define VNIC_FNIC_MAXDATAFIELDSIZE_MAX      2112
42
43#define VNIC_FNIC_FLOGI_RETRIES_MIN         0
44#define VNIC_FNIC_FLOGI_RETRIES_MAX         0xffffffff
45#define VNIC_FNIC_FLOGI_RETRIES_DEF         0xffffffff
46
47#define VNIC_FNIC_FLOGI_TIMEOUT_MIN         1000
48#define VNIC_FNIC_FLOGI_TIMEOUT_MAX         255000
49
50#define VNIC_FNIC_PLOGI_RETRIES_MIN         0
51#define VNIC_FNIC_PLOGI_RETRIES_MAX         255
52#define VNIC_FNIC_PLOGI_RETRIES_DEF         8
53
54#define VNIC_FNIC_PLOGI_TIMEOUT_MIN         1000
55#define VNIC_FNIC_PLOGI_TIMEOUT_MAX         255000
56
57#define VNIC_FNIC_IO_THROTTLE_COUNT_MIN     1
58#define VNIC_FNIC_IO_THROTTLE_COUNT_MAX     2048
59
60#define VNIC_FNIC_LINK_DOWN_TIMEOUT_MIN     0
61#define VNIC_FNIC_LINK_DOWN_TIMEOUT_MAX     240000
62
63#define VNIC_FNIC_PORT_DOWN_TIMEOUT_MIN     0
64#define VNIC_FNIC_PORT_DOWN_TIMEOUT_MAX     240000
65
66#define VNIC_FNIC_PORT_DOWN_IO_RETRIES_MIN  0
67#define VNIC_FNIC_PORT_DOWN_IO_RETRIES_MAX  255
68
69#define VNIC_FNIC_LUNS_PER_TARGET_MIN       1
70#define VNIC_FNIC_LUNS_PER_TARGET_MAX       1024
71
72/* Device-specific region: scsi configuration */
73struct vnic_fc_config {
74	u64 node_wwn;
75	u64 port_wwn;
76	u32 flags;
77	u32 wq_enet_desc_count;
78	u32 wq_copy_desc_count;
79	u32 rq_desc_count;
80	u32 flogi_retries;
81	u32 flogi_timeout;
82	u32 plogi_retries;
83	u32 plogi_timeout;
84	u32 io_throttle_count;
85	u32 link_down_timeout;
86	u32 port_down_timeout;
87	u32 port_down_io_retries;
88	u32 luns_per_tgt;
89	u16 maxdatafieldsize;
90	u16 ed_tov;
91	u16 ra_tov;
92	u16 intr_timer;
93	u8 intr_timer_type;
94};
95
96#define VFCF_FCP_SEQ_LVL_ERR	0x1	/* Enable FCP-2 Error Recovery */
97#define VFCF_PERBI		0x2	/* persistent binding info available */
98#define VFCF_FIP_CAPABLE	0x4	/* firmware can handle FIP */
99
100#endif /* _VNIC_SCSI_H_ */
101