Annotation of sys/dev/i2o/iopvar.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: iopvar.h,v 1.7 2002/03/14 01:26:53 millert Exp $ */
! 2: /* $NetBSD: iopvar.h,v 1.5 2001/03/20 13:01:49 ad Exp $ */
! 3:
! 4: /*-
! 5: * Copyright (c) 2000, 2001 The NetBSD Foundation, Inc.
! 6: * All rights reserved.
! 7: *
! 8: * This code is derived from software contributed to The NetBSD Foundation
! 9: * by Andrew Doran.
! 10: *
! 11: * Redistribution and use in source and binary forms, with or without
! 12: * modification, are permitted provided that the following conditions
! 13: * are met:
! 14: * 1. Redistributions of source code must retain the above copyright
! 15: * notice, this list of conditions and the following disclaimer.
! 16: * 2. Redistributions in binary form must reproduce the above copyright
! 17: * notice, this list of conditions and the following disclaimer in the
! 18: * documentation and/or other materials provided with the distribution.
! 19: * 3. All advertising materials mentioning features or use of this software
! 20: * must display the following acknowledgement:
! 21: * This product includes software developed by the NetBSD
! 22: * Foundation, Inc. and its contributors.
! 23: * 4. Neither the name of The NetBSD Foundation nor the names of its
! 24: * contributors may be used to endorse or promote products derived
! 25: * from this software without specific prior written permission.
! 26: *
! 27: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
! 28: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! 29: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! 30: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
! 31: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! 32: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! 33: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! 34: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! 35: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! 36: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! 37: * POSSIBILITY OF SUCH DAMAGE.
! 38: */
! 39:
! 40: #ifndef _I2O_IOPVAR_H_
! 41: #define _I2O_IOPVAR_H_
! 42:
! 43: /*
! 44: * Transfer descriptor.
! 45: */
! 46: struct iop_xfer {
! 47: bus_dmamap_t ix_map;
! 48: u_int ix_size;
! 49: u_int ix_flags;
! 50: };
! 51: #define IX_IN 0x0001 /* Data transfer from IOP */
! 52: #define IX_OUT 0x0002 /* Data transfer to IOP */
! 53:
! 54: /*
! 55: * Message wrapper.
! 56: */
! 57: struct iop_msg {
! 58: SLIST_ENTRY(iop_msg) im_chain; /* Next free message */
! 59: u_int im_flags; /* Control flags */
! 60: u_int im_tctx; /* Transaction context */
! 61: void *im_dvcontext; /* Un*x device context */
! 62: struct i2o_reply *im_rb; /* Reply buffer */
! 63: u_int im_reqstatus; /* Status from reply */
! 64: struct iop_xfer im_xfer[IOP_MAX_MSG_XFERS];
! 65: };
! 66: #define IM_SYSMASK 0x00ff
! 67: #define IM_REPLIED 0x0001 /* Message has been replied to */
! 68: #define IM_ALLOCED 0x0002 /* This message wrapper is allocated */
! 69: #define IM_SGLOFFADJ 0x0004 /* S/G list offset adjusted */
! 70: #define IM_DISCARD 0x0008 /* Discard message wrapper once sent */
! 71: #define IM_FAIL 0x0010 /* Transaction error returned */
! 72:
! 73: #define IM_USERMASK 0xff00
! 74: #define IM_WAIT 0x0100 /* Wait (sleep) for completion */
! 75: #define IM_POLL 0x0200 /* Wait (poll) for completion */
! 76: #define IM_NOSTATUS 0x0400 /* Don't check status if waiting */
! 77: #define IM_POLL_INTR 0x0800 /* Do send interrupt when polling */
! 78:
! 79: struct iop_initiator {
! 80: LIST_ENTRY(iop_initiator) ii_list;
! 81: LIST_ENTRY(iop_initiator) ii_hash;
! 82:
! 83: void (*ii_intr)(struct device *, struct iop_msg *, void *);
! 84: int (*ii_reconfig)(struct device *);
! 85: void (*ii_adjqparam)(struct device *, int);
! 86:
! 87: struct device *ii_dv;
! 88: int ii_flags;
! 89: int ii_ictx; /* Initiator context */
! 90: int ii_tid;
! 91: };
! 92: #define II_DISCARD 0x0001 /* Don't track state; discard msg wrappers */
! 93: #define II_CONFIGURED 0x0002 /* Already configured */
! 94: #define II_UTILITY 0x0004 /* Utility initiator (not a real device) */
! 95:
! 96: #define IOP_ICTX 0
! 97: #define IOP_INIT_CODE 0x80
! 98:
! 99: /*
! 100: * Parameter group op (for async parameter retrievals).
! 101: */
! 102: struct iop_pgop {
! 103: struct i2o_param_op_list_header olh;
! 104: struct i2o_param_op_all_template oat;
! 105: } __attribute__ ((__packed__));
! 106:
! 107: /*
! 108: * Per-IOP context.
! 109: */
! 110: struct iop_softc {
! 111: struct device sc_dv; /* generic device data */
! 112: bus_space_handle_t sc_ioh; /* bus space handle */
! 113: bus_space_tag_t sc_iot; /* bus space tag */
! 114: bus_dma_tag_t sc_dmat; /* bus DMA tag */
! 115: void *sc_ih; /* interrupt handler cookie */
! 116: struct lock sc_conflock; /* autoconfiguration lock */
! 117: bus_addr_t sc_memaddr; /* register window address */
! 118: bus_size_t sc_memsize; /* register window size */
! 119:
! 120: struct i2o_hrt *sc_hrt; /* hardware resource table */
! 121: struct iop_tidmap *sc_tidmap; /* tid map (per-lct-entry flags) */
! 122: struct i2o_lct *sc_lct; /* logical configuration table */
! 123: int sc_nlctent; /* number of LCT entries */
! 124: int sc_flags; /* IOP-wide flags */
! 125: int sc_maxib;
! 126: int sc_maxob;
! 127: int sc_curib;
! 128: u_int32_t sc_chgind; /* autoconfig vs. LCT change ind. */
! 129: LIST_HEAD(, iop_initiator) sc_iilist;/* initiator list */
! 130: int sc_nii;
! 131: int sc_nuii;
! 132: struct iop_initiator sc_eventii;/* IOP event handler */
! 133: struct proc *sc_reconf_proc;/* reconfiguration process */
! 134: struct iop_msg *sc_ims;
! 135: SLIST_HEAD(, iop_msg) sc_im_freelist;
! 136: caddr_t sc_ptb;
! 137: bus_dmamap_t sc_scr_dmamap; /* Scratch DMA map */
! 138: bus_dma_segment_t sc_scr_seg[1];/* Scratch DMA segment */
! 139: caddr_t sc_scr; /* Scratch memory va */
! 140:
! 141: /*
! 142: * Reply queue.
! 143: */
! 144: bus_dmamap_t sc_rep_dmamap;
! 145: int sc_rep_size;
! 146: bus_addr_t sc_rep_phys;
! 147: caddr_t sc_rep;
! 148:
! 149: bus_space_tag_t sc_bus_memt;
! 150: bus_space_tag_t sc_bus_iot;
! 151:
! 152: struct i2o_status sc_status; /* status */
! 153: };
! 154: #define IOP_OPEN 0x01 /* Device interface open */
! 155: #define IOP_HAVESTATUS 0x02 /* Successfully retrieved status */
! 156: #define IOP_ONLINE 0x04 /* Can use ioctl interface */
! 157:
! 158: #define IOPCF_TID 0
! 159: #define IOPCF_TID_DEFAULT -1
! 160:
! 161: struct iop_attach_args {
! 162: int ia_class; /* device class */
! 163: int ia_tid; /* target ID */
! 164: };
! 165: #define iopcf_tid cf_loc[IOPCF_TID] /* TID */
! 166:
! 167: void iop_init(struct iop_softc *, const char *);
! 168: int iop_intr(void *);
! 169: int iop_lct_get(struct iop_softc *);
! 170: int iop_param_op(struct iop_softc *, int, struct iop_initiator *, int,
! 171: int, void *, size_t);
! 172: int iop_print_ident(struct iop_softc *, int);
! 173: int iop_simple_cmd(struct iop_softc *, int, int, int, int, int);
! 174: void iop_strvis(struct iop_softc *, const char *, int, char *, int);
! 175:
! 176: void iop_initiator_register(struct iop_softc *, struct iop_initiator *);
! 177: void iop_initiator_unregister(struct iop_softc *, struct iop_initiator *);
! 178:
! 179: struct iop_msg *iop_msg_alloc(struct iop_softc *, struct iop_initiator *,
! 180: int);
! 181: void iop_msg_free(struct iop_softc *, struct iop_msg *);
! 182: int iop_msg_map(struct iop_softc *, struct iop_msg *, u_int32_t *, void *,
! 183: size_t, int);
! 184: int iop_msg_map_bio(struct iop_softc *, struct iop_msg *, u_int32_t *,
! 185: void *, int, int);
! 186: int iop_msg_post(struct iop_softc *, struct iop_msg *, void *, int);
! 187: void iop_msg_unmap(struct iop_softc *, struct iop_msg *);
! 188:
! 189: int iop_util_abort(struct iop_softc *, struct iop_initiator *, int, int,
! 190: int);
! 191: int iop_util_claim(struct iop_softc *, struct iop_initiator *, int, int);
! 192: int iop_util_eventreg(struct iop_softc *, struct iop_initiator *, int);
! 193:
! 194: #endif /* !_I2O_IOPVAR_H_ */
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