xref: /linux/drivers/scsi/snic/vnic_snic.h (revision ba199dc909a20fe62270ae4e93f263987bb9d119)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /* Copyright 2014 Cisco Systems, Inc.  All rights reserved. */
3 
4 #ifndef _VNIC_SNIC_H_
5 #define _VNIC_SNIC_H_
6 
7 #define VNIC_SNIC_WQ_DESCS_MIN              64
8 #define VNIC_SNIC_WQ_DESCS_MAX              1024
9 
10 #define VNIC_SNIC_MAXDATAFIELDSIZE_MIN      256
11 #define VNIC_SNIC_MAXDATAFIELDSIZE_MAX      2112
12 
13 #define VNIC_SNIC_IO_THROTTLE_COUNT_MIN     1
14 #define VNIC_SNIC_IO_THROTTLE_COUNT_MAX     1024
15 
16 #define VNIC_SNIC_PORT_DOWN_TIMEOUT_MIN     0
17 #define VNIC_SNIC_PORT_DOWN_TIMEOUT_MAX     240000
18 
19 #define VNIC_SNIC_PORT_DOWN_IO_RETRIES_MIN  0
20 #define VNIC_SNIC_PORT_DOWN_IO_RETRIES_MAX  255
21 
22 #define VNIC_SNIC_LUNS_PER_TARGET_MIN       1
23 #define VNIC_SNIC_LUNS_PER_TARGET_MAX       1024
24 
25 /* Device-specific region: scsi configuration */
26 struct vnic_snic_config {
27 	u32 flags;
28 	u32 wq_enet_desc_count;
29 	u32 io_throttle_count;
30 	u32 port_down_timeout;
31 	u32 port_down_io_retries;
32 	u32 luns_per_tgt;
33 	u16 maxdatafieldsize;
34 	u16 intr_timer;
35 	u8 intr_timer_type;
36 	u8 _resvd2;
37 	u8 xpt_type;
38 	u8 hid;
39 };
40 #endif /* _VNIC_SNIC_H_ */
41