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NetBSD/sys/dev/i2o/iopvar.h

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/* $NetBSD: iopvar.h,v 1.14 2004/09/13 12:55:47 drochner Exp $ */
/*-
* Copyright (c) 2000, 2001, 2002 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Andrew Doran.
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/
#ifndef _I2O_IOPVAR_H_
#define _I2O_IOPVAR_H_
/*
* Transfer descriptor.
*/
struct iop_xfer {
bus_dmamap_t ix_map;
u_int ix_size;
u_int ix_flags;
};
#define IX_IN 0x0001 /* Data transfer from IOP */
#define IX_OUT 0x0002 /* Data transfer to IOP */
/*
* Message wrapper.
*/
struct iop_msg {
SLIST_ENTRY(iop_msg) im_chain; /* Next free message */
u_int im_flags; /* Control flags */
u_int im_tctx; /* Transaction context */
void *im_dvcontext; /* Un*x device context */
struct i2o_reply *im_rb; /* Reply buffer */
u_int im_reqstatus; /* Status from reply */
u_int im_detstatus; /* Detailed status code */
struct iop_xfer im_xfer[IOP_MAX_MSG_XFERS];
};
#define IM_SYSMASK 0x00ff
#define IM_REPLIED 0x0001 /* Message has been replied to */
#define IM_ALLOCED 0x0002 /* This message wrapper is allocated */
#define IM_SGLOFFADJ 0x0004 /* S/G list offset adjusted */
#define IM_FAIL 0x0008 /* Transaction error returned */
#define IM_USERMASK 0xff00
#define IM_WAIT 0x0100 /* Wait (sleep) for completion */
#define IM_POLL 0x0200 /* Wait (poll) for completion */
#define IM_NOSTATUS 0x0400 /* Don't check status if waiting */
#define IM_POLL_INTR 0x0800 /* Do send interrupt when polling */
struct iop_initiator {
LIST_ENTRY(iop_initiator) ii_list;
LIST_ENTRY(iop_initiator) ii_hash;
void (*ii_intr)(struct device *, struct iop_msg *, void *);
int (*ii_reconfig)(struct device *);
void (*ii_adjqparam)(struct device *, int);
struct device *ii_dv;
int ii_flags;
int ii_ictx; /* Initiator context */
int ii_tid;
};
#define II_NOTCTX 0x0001 /* No transaction context */
#define II_CONFIGURED 0x0002 /* Already configured */
#define II_UTILITY 0x0004 /* Utility initiator (not a real device) */
#define IOP_ICTX 0
#define IOP_INIT_CODE 0x80
/*
* Parameter group op (for async parameter retrievals).
*/
struct iop_pgop {
struct i2o_param_op_list_header olh;
struct i2o_param_op_all_template oat;
} __attribute__ ((__packed__));
/*
* Per-IOP context.
*/
struct iop_softc {
struct device sc_dv; /* Generic device data */
bus_space_handle_t sc_ioh; /* Bus space handle */
bus_space_tag_t sc_iot; /* Bus space tag */
bus_dma_tag_t sc_dmat; /* Bus DMA tag */
bus_space_handle_t sc_msg_ioh; /* Message queue bus space handle */
bus_space_tag_t sc_msg_iot; /* Message queue bus space tag */
void *sc_ih; /* Interrupt handler cookie */
struct iop_msg *sc_ims; /* Message wrappers */
SLIST_HEAD(, iop_msg) sc_im_freelist; /* Free wrapper list */
bus_dmamap_t sc_rep_dmamap; /* Reply frames DMA map */
int sc_rep_size; /* Reply frames size */
bus_addr_t sc_rep_phys; /* Reply frames PA */
caddr_t sc_rep; /* Reply frames VA */
int sc_maxib; /* Max inbound (-> IOP) queue depth */
int sc_maxob; /* Max outbound (<- IOP) queue depth */
int sc_curib; /* Current inbound queue depth */
int sc_framesize; /* Max msg frame size in bytes */
struct i2o_hrt *sc_hrt; /* Hardware resource table */
struct iop_tidmap *sc_tidmap; /* TID map (per-LCT-entry flags) */
struct i2o_lct *sc_lct; /* Logical configuration table */
int sc_nlctent; /* Number of LCT entries */
int sc_flags; /* IOP-wide flags */
u_int32_t sc_chgind; /* Configuration change indicator */
struct lock sc_conflock; /* Configuration lock */
struct proc *sc_reconf_proc;/* Auto reconfiguration process */
LIST_HEAD(, iop_initiator) sc_iilist;/* Initiator list */
int sc_nii; /* Total number of initiators */
int sc_nuii; /* Number of utility initiators */
struct iop_initiator sc_eventii;/* IOP event handler */
bus_dmamap_t sc_scr_dmamap; /* Scratch DMA map */
bus_dma_segment_t sc_scr_seg[1];/* Scratch DMA segment */
caddr_t sc_scr; /* Scratch memory VA */
bus_space_tag_t sc_bus_memt; /* Parent bus memory tag */
bus_space_tag_t sc_bus_iot; /* Parent but I/O tag */
bus_addr_t sc_memaddr; /* Register window address */
bus_size_t sc_memsize; /* Register window size */
int sc_pcibus; /* PCI bus number */
int sc_pcidev; /* PCI device number */
struct i2o_status sc_status; /* Last retrieved status record */
};
#define IOP_OPEN 0x01 /* Device interface open */
#define IOP_HAVESTATUS 0x02 /* Successfully retrieved status */
#define IOP_ONLINE 0x04 /* Can use ioctl interface */
struct iop_attach_args {
int ia_class; /* device class */
int ia_tid; /* target ID */
};
void iop_init(struct iop_softc *, const char *);
int iop_intr(void *);
int iop_lct_get(struct iop_softc *);
int iop_print_ident(struct iop_softc *, int);
int iop_post(struct iop_softc *, u_int32_t *);
int iop_reconfigure(struct iop_softc *, u_int);
int iop_status_get(struct iop_softc *, int);
int iop_simple_cmd(struct iop_softc *, int, int, int, int, int);
void iop_strvis(struct iop_softc *, const char *, int, char *, int);
void iop_initiator_register(struct iop_softc *, struct iop_initiator *);
void iop_initiator_unregister(struct iop_softc *, struct iop_initiator *);
struct iop_msg *iop_msg_alloc(struct iop_softc *, int);
void iop_msg_free(struct iop_softc *, struct iop_msg *);
int iop_msg_map(struct iop_softc *, struct iop_msg *, u_int32_t *, void *,
int, int, struct proc *);
int iop_msg_map_bio(struct iop_softc *, struct iop_msg *, u_int32_t *,
void *, int, int);
int iop_msg_post(struct iop_softc *, struct iop_msg *, void *, int);
void iop_msg_unmap(struct iop_softc *, struct iop_msg *);
int iop_field_get_all(struct iop_softc *, int, int, void *, int,
struct iop_initiator *);
int iop_field_set(struct iop_softc *, int, int, void *, int, int);
int iop_table_add_row(struct iop_softc *, int, int, void *, int, int);
int iop_table_clear(struct iop_softc *, int, int);
int iop_table_del_row(struct iop_softc *, int, int, int);
int iop_table_get_row(struct iop_softc *, int, int, void *, int, int);
int iop_util_abort(struct iop_softc *, struct iop_initiator *, int, int,
int);
int iop_util_claim(struct iop_softc *, struct iop_initiator *, int, int);
int iop_util_eventreg(struct iop_softc *, struct iop_initiator *, int);
#endif /* !_I2O_IOPVAR_H_ */
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