[linux-block.git] / drivers / block / rsxx / rsxx_cfg.h

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Filename: rsXX_cfg.h
*
* Authors: Joshua Morris <josh.h.morris@us.ibm.com>
*	Philip Kelleher <pjk1939@linux.vnet.ibm.com>
*
* (C) Copyright 2013 IBM Corporation
*/

#ifndef __RSXX_CFG_H__
#define __RSXX_CFG_H__

/* NOTE: Config values will be saved in network byte order (i.e. Big endian) */
#include <linux/types.h>

/*
 * The card config version must match the driver's expected version. If it does
 * not, the DMA interfaces will not be attached and the user will need to
 * initialize/upgrade the card configuration using the card config utility.
 */
#define RSXX_CFG_VERSION	4

struct card_cfg_hdr {
	__u32	version;
	__u32	crc;
};

struct card_cfg_data {
	__u32	block_size;
	__u32	stripe_size;
	__u32	vendor_id;
	__u32	cache_order;
	struct {
		__u32	mode;	/* Disabled, manual, auto-tune... */
		__u32	count;	/* Number of intr to coalesce     */
		__u32	latency;/* Max wait time (in ns)          */
	} intr_coal;
};

struct rsxx_card_cfg {
	struct card_cfg_hdr	hdr;
	struct card_cfg_data	data;
};

/* Vendor ID Values */
#define RSXX_VENDOR_ID_IBM		0
#define RSXX_VENDOR_ID_DSI		1
#define RSXX_VENDOR_COUNT		2

/* Interrupt Coalescing Values */
#define RSXX_INTR_COAL_DISABLED           0
#define RSXX_INTR_COAL_EXPLICIT           1
#define RSXX_INTR_COAL_AUTO_TUNE          2


#endif /* __RSXX_CFG_H__ */
Commit	Line	Data
1a59d1b8	1	/* SPDX-License-Identifier: GPL-2.0-or-later */
8722ff8c	2	/*
	3	* Filename: rsXX_cfg.h
	4	*
8722ff8c	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
8722ff8c	9	*/
	10
	11	#ifndef __RSXX_CFG_H__
	12	#define __RSXX_CFG_H__
	13
	14	/* NOTE: Config values will be saved in network byte order (i.e. Big endian) */
	15	#include <linux/types.h>
	16
	17	/*
	18	* The card config version must match the driver's expected version. If it does
	19	* not, the DMA interfaces will not be attached and the user will need to
	20	* initialize/upgrade the card configuration using the card config utility.
	21	*/
	22	#define RSXX_CFG_VERSION 4
	23
	24	struct card_cfg_hdr {
	25	__u32 version;
	26	__u32 crc;
	27	};
	28
	29	struct card_cfg_data {
	30	__u32 block_size;
	31	__u32 stripe_size;
	32	__u32 vendor_id;
	33	__u32 cache_order;
	34	struct {
	35	__u32 mode; /* Disabled, manual, auto-tune... */
	36	__u32 count; /* Number of intr to coalesce */
	37	__u32 latency;/* Max wait time (in ns) */
	38	} intr_coal;
	39	};
	40
	41	struct rsxx_card_cfg {
	42	struct card_cfg_hdr hdr;
	43	struct card_cfg_data data;
	44	};
	45
	46	/* Vendor ID Values */
9bb3c446	47	#define RSXX_VENDOR_ID_IBM 0
8722ff8c	48	#define RSXX_VENDOR_ID_DSI 1
	49	#define RSXX_VENDOR_COUNT 2
	50
	51	/* Interrupt Coalescing Values */
	52	#define RSXX_INTR_COAL_DISABLED 0
	53	#define RSXX_INTR_COAL_EXPLICIT 1
	54	#define RSXX_INTR_COAL_AUTO_TUNE 2
	55
	56
	57	#endif /* __RSXX_CFG_H__ */
	58