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Diffstat (limited to 'sys/dev/i2o/iopvar.h')
| -rw-r--r-- | sys/dev/i2o/iopvar.h | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/sys/dev/i2o/iopvar.h b/sys/dev/i2o/iopvar.h new file mode 100644 index 00000000000..369fd110315 --- /dev/null +++ b/sys/dev/i2o/iopvar.h @@ -0,0 +1,190 @@ +/* $OpenBSD: iopvar.h,v 1.1 2001/06/25 23:04:30 niklas Exp $ */ +/* $NetBSD: iopvar.h,v 1.5 2001/03/20 13:01:49 ad Exp $ */ + +/*- + * Copyright (c) 2000, 2001 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 */ + 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_DISCARD 0x0008 /* Discard message wrapper once sent */ +#define IM_FAIL 0x0010 /* 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_DISCARD 0x0001 /* Don't track state; discard msg wrappers */ +#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 */ + void *sc_ih; /* interrupt handler cookie */ + struct lock sc_conflock; /* autoconfiguration lock */ + bus_addr_t sc_memaddr; /* register window address */ + bus_size_t sc_memsize; /* register window size */ + + 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 */ + int sc_maxib; + int sc_maxob; + int sc_curib; + u_int32_t sc_chgind; /* autoconfig vs. LCT change ind. */ + LIST_HEAD(, iop_initiator) sc_iilist;/* initiator list */ + int sc_nii; + int sc_nuii; + struct iop_initiator sc_eventii;/* IOP event handler */ + struct proc *sc_reconf_proc;/* reconfiguration process */ + struct iop_msg *sc_ims; + SLIST_HEAD(, iop_msg) sc_im_freelist; + caddr_t sc_ptb; + + /* + * Reply queue. + */ + bus_dmamap_t sc_rep_dmamap; + int sc_rep_size; + bus_addr_t sc_rep_phys; + caddr_t sc_rep; + + bus_space_tag_t sc_bus_memt; + bus_space_tag_t sc_bus_iot; + + struct i2o_status sc_status; /* status */ +}; +#define IOP_OPEN 0x01 /* Device interface open */ +#define IOP_HAVESTATUS 0x02 /* Successfully retrieved status */ +#define IOP_ONLINE 0x04 /* Can use ioctl interface */ + +#define IOPCF_TID 0 +#define IOPCF_TID_DEFAULT -1 + +struct iop_attach_args { + int ia_class; /* device class */ + int ia_tid; /* target ID */ +}; +#define iopcf_tid cf_loc[IOPCF_TID] /* TID */ + +void iop_init(struct iop_softc *, const char *); +int iop_intr __P((void *)); +int iop_lct_get(struct iop_softc *); +int iop_param_op(struct iop_softc *, int, struct iop_initiator *, int, + int, void *, int); +int iop_print_ident(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 *, struct iop_initiator *, 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); +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_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_ */ |