1/*
2* Filename: rsXX_cfg.h
3*
4*
5* Authors: Joshua Morris <josh.h.morris@us.ibm.com>
6*	Philip Kelleher <pjk1939@linux.vnet.ibm.com>
7*
8* (C) Copyright 2013 IBM Corporation
9*
10* This program is free software; you can redistribute it and/or
11* modify it under the terms of the GNU General Public License as
12* published by the Free Software Foundation; either version 2 of the
13* License, or (at your option) any later version.
14*
15* This program is distributed in the hope that it will be useful, but
16* WITHOUT ANY WARRANTY; without even the implied warranty of
17* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18* General Public License for more details.
19*
20* You should have received a copy of the GNU General Public License
21* along with this program; if not, write to the Free Software Foundation,
22* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23*/
24
25#ifndef __RSXX_CFG_H__
26#define __RSXX_CFG_H__
27
28/* NOTE: Config values will be saved in network byte order (i.e. Big endian) */
29#include <linux/types.h>
30
31/*
32 * The card config version must match the driver's expected version. If it does
33 * not, the DMA interfaces will not be attached and the user will need to
34 * initialize/upgrade the card configuration using the card config utility.
35 */
36#define RSXX_CFG_VERSION	4
37
38struct card_cfg_hdr {
39	__u32	version;
40	__u32	crc;
41};
42
43struct card_cfg_data {
44	__u32	block_size;
45	__u32	stripe_size;
46	__u32	vendor_id;
47	__u32	cache_order;
48	struct {
49		__u32	mode;	/* Disabled, manual, auto-tune... */
50		__u32	count;	/* Number of intr to coalesce     */
51		__u32	latency;/* Max wait time (in ns)          */
52	} intr_coal;
53};
54
55struct rsxx_card_cfg {
56	struct card_cfg_hdr	hdr;
57	struct card_cfg_data	data;
58};
59
60/* Vendor ID Values */
61#define RSXX_VENDOR_ID_IBM		0
62#define RSXX_VENDOR_ID_DSI		1
63#define RSXX_VENDOR_COUNT		2
64
65/* Interrupt Coalescing Values */
66#define RSXX_INTR_COAL_DISABLED           0
67#define RSXX_INTR_COAL_EXPLICIT           1
68#define RSXX_INTR_COAL_AUTO_TUNE          2
69
70
71#endif /* __RSXX_CFG_H__ */
72
73