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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/drivers/block/ida_ioctl.h
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/*

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 *    Disk Array driver for Compaq SMART2 Controllers

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 *    Copyright 1998 Compaq Computer Corporation

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 *

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 *    This program is free software; you can redistribute it and/or modify

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 *    it under the terms of the GNU General Public License as published by

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 *    the Free Software Foundation; either version 2 of the License, or

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 *    (at your option) any later version.

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 *

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 *    This program is distributed in the hope that it will be useful,

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 *    but WITHOUT ANY WARRANTY; without even the implied warranty of

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 *    MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or

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 *    NON INFRINGEMENT.  See the GNU General Public License for more details.

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 *

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 *    You should have received a copy of the GNU General Public License

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 *    along with this program; if not, write to the Free Software

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 *    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

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 *

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 *    Questions/Comments/Bugfixes to [email protected]

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 *

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 */

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#ifndef IDA_IOCTL_H

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#define IDA_IOCTL_H

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#include "ida_cmd.h"

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#include "cpqarray.h"

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#define IDAGETDRVINFO		0x27272828

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#define IDAPASSTHRU		0x28282929

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#define IDAGETCTLRSIG		0x29293030

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#define IDAREVALIDATEVOLS	0x30303131

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#define IDADRIVERVERSION	0x31313232

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#define IDAGETPCIINFO		0x32323333

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typedef struct _ida_pci_info_struct

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{

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	unsigned char 	bus;

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	unsigned char 	dev_fn;

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	__u32 		board_id;

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} ida_pci_info_struct;

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/*

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 * Normally, the ioctl determines the logical unit for this command by

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 * the major,minor number of the fd passed to ioctl.  If you need to send

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 * a command to a different/nonexistant unit (such as during config), you

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 * can override the normal behavior by setting the unit valid bit. (Normally,

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 * it should be zero) The controller the command is sent to is still

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 * determined by the major number of the open device.

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 */

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#define UNITVALID	0x80

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typedef struct {

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	__u8	cmd;

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	__u8	rcode;

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	__u8	unit;

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	__u32	blk;

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	__u16	blk_cnt;

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/* currently, sg_cnt is assumed to be 1: only the 0th element of sg is used */

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	struct {

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		void	__user *addr;

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		size_t	size;

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	} sg[SG_MAX];

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	int	sg_cnt;

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	union ctlr_cmds {

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		drv_info_t		drv;

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		unsigned char		buf[1024];

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		id_ctlr_t		id_ctlr;

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		drv_param_t		drv_param;

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		id_log_drv_t		id_log_drv;

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		id_log_drv_ext_t	id_log_drv_ext;

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		sense_log_drv_stat_t	sense_log_drv_stat;

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		id_phys_drv_t		id_phys_drv;

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		blink_drv_leds_t	blink_drv_leds;

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		sense_blink_leds_t	sense_blink_leds;

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		config_t		config;

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		reorder_log_drv_t	reorder_log_drv;

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		label_log_drv_t		label_log_drv;

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		surf_delay_t		surf_delay;

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		overhead_delay_t	overhead_delay;

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		mp_delay_t		mp_delay;

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		scsi_param_t		scsi_param;

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	} c;

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} ida_ioctl_t;

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#endif /* IDA_IOCTL_H */

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