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/*-
* Copyright (c) 2002 Adaptec Inc.
* All rights reserved.
*
* Written by: David Jeffery
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD: release/9.1.0/sys/dev/ips/ips.h 161425 2006-08-17 22:50:33Z imp $
*/
#ifndef _IPS_H
#define _IPS_H
#ifdef _KERNEL
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/bus.h>
#include <sys/conf.h>
#include <sys/types.h>
#include <sys/queue.h>
#include <sys/bio.h>
#include <sys/malloc.h>
#include <sys/mutex.h>
#include <sys/sema.h>
#include <sys/time.h>
#include <machine/bus.h>
#include <sys/rman.h>
#include <machine/resource.h>
MALLOC_DECLARE(M_IPSBUF);
/*
* IPS MACROS
*/
#define ips_read_1(sc,offset) bus_space_read_1(sc->bustag, sc->bushandle, offset)
#define ips_read_2(sc,offset) bus_space_read_2(sc->bustag, sc->bushandle, offset)
#define ips_read_4(sc,offset) bus_space_read_4(sc->bustag, sc->bushandle, offset)
#define ips_write_1(sc,offset,value) bus_space_write_1(sc->bustag, sc->bushandle, offset, value)
#define ips_write_2(sc,offset,value) bus_space_write_2(sc->bustag, sc->bushandle, offset, value)
#define ips_write_4(sc,offset,value) bus_space_write_4(sc->bustag, sc->bushandle, offset, value)
/* this is ugly. It zeros the end elements in an ips_command_t struct starting with the status element */
#define clear_ips_command(command) bzero(&((command)->status), (unsigned long)(&(command)[1])-(unsigned long)&((command)->status))
#define ips_read_request(iobuf) ((iobuf)->bio_cmd == BIO_READ)
#define COMMAND_ERROR(command) (((command)->status.fields.basic_status & IPS_GSC_STATUS_MASK) >= IPS_MIN_ERROR)
#define ips_set_error(command, error) do { \
(command)->status.fields.basic_status = IPS_DRV_ERROR; \
(command)->status.fields.reserved = ((error) & 0x0f); \
} while (0)
#ifndef IPS_DEBUG
#define DEVICE_PRINTF(x...)
#define PRINTF(x...)
#else
#define DEVICE_PRINTF(level,x...) if(IPS_DEBUG >= level)device_printf(x)
#define PRINTF(level,x...) if(IPS_DEBUG >= level)printf(x)
#endif
struct ips_softc;
typedef struct {
u_int32_t status[IPS_MAX_CMD_NUM];
u_int32_t base_phys_addr;
int nextstatus;
bus_dma_tag_t dmatag;
bus_dmamap_t dmamap;
} ips_copper_queue_t;
/* used to keep track of current commands to the card */
typedef struct ips_command{
u_int8_t command_number;
u_int8_t id;
u_int8_t timeout;
struct ips_softc * sc;
bus_dma_tag_t data_dmatag;
bus_dmamap_t data_dmamap;
bus_dmamap_t command_dmamap;
void * command_buffer;
u_int32_t command_phys_addr;/*WARNING! must be changed if 64bit addressing ever used*/
ips_cmd_status_t status;
SLIST_ENTRY(ips_command) next;
void * data_buffer;
void * arg;
void (* callback)(struct ips_command *command);
}ips_command_t;
typedef struct ips_softc{
struct resource * iores;
struct resource * irqres;
struct intr_config_hook ips_ich;
int configured;
int state;
int iotype;
int rid;
int irqrid;
void * irqcookie;
bus_space_tag_t bustag;
bus_space_handle_t bushandle;
bus_dma_tag_t adapter_dmatag;
bus_dma_tag_t command_dmatag;
bus_dma_tag_t sg_dmatag;
device_t dev;
struct cdev *device_file;
struct callout_handle timer;
u_int16_t adapter_type;
ips_adapter_info_t adapter_info;
device_t diskdev[IPS_MAX_NUM_DRIVES];
ips_drive_t drives[IPS_MAX_NUM_DRIVES];
u_int8_t drivecount;
u_int16_t ffdc_resetcount;
struct timeval ffdc_resettime;
u_int8_t next_drive;
u_int8_t max_cmds;
volatile u_int8_t used_commands;
ips_command_t *commandarray;
ips_command_t *staticcmd;
SLIST_HEAD(command_list, ips_command) free_cmd_list;
int (* ips_adapter_reinit)(struct ips_softc *sc,
int force);
void (* ips_adapter_intr)(void *sc);
void (* ips_issue_cmd)(ips_command_t *command);
void (* ips_poll_cmd)(ips_command_t *command);
ips_copper_queue_t * copper_queue;
struct mtx queue_mtx;
struct bio_queue_head queue;
struct sema cmd_sema;
}ips_softc_t;
/* function defines from ips_ioctl.c */
extern int ips_ioctl_request(ips_softc_t *sc, u_long ioctl_cmd, caddr_t addr,
int32_t flags);
/* function defines from ips_disk.c */
extern void ipsd_finish(struct bio *iobuf);
/* function defines from ips_commands.c */
extern int ips_flush_cache(ips_softc_t *sc);
extern void ips_start_io_request(ips_softc_t *sc);
extern int ips_get_drive_info(ips_softc_t *sc);
extern int ips_get_adapter_info(ips_softc_t *sc);
extern int ips_ffdc_reset(ips_softc_t *sc);
extern int ips_update_nvram(ips_softc_t *sc);
extern int ips_clear_adapter(ips_softc_t *sc);
/* function defines from ips.c */
extern int ips_get_free_cmd(ips_softc_t *sc, ips_command_t **command, unsigned long flags);
extern void ips_insert_free_cmd(ips_softc_t *sc, ips_command_t *command);
extern int ips_adapter_init(ips_softc_t *sc);
extern int ips_morpheus_reinit(ips_softc_t *sc, int force);
extern int ips_adapter_free(ips_softc_t *sc);
extern void ips_morpheus_intr(void *sc);
extern void ips_issue_morpheus_cmd(ips_command_t *command);
extern void ips_morpheus_poll(ips_command_t *command);
extern int ips_copperhead_reinit(ips_softc_t *sc, int force);
extern void ips_copperhead_intr(void *sc);
extern void ips_issue_copperhead_cmd(ips_command_t *command);
extern void ips_copperhead_poll(ips_command_t *command);
#endif
#endif