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     256
58 #define VNIC_FNIC_IO_THROTTLE_COUNT_MAX     4096
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 */
73 struct 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