iopvar.h revision 1.2.2.2
1 1.2.2.2 bouyer /* $NetBSD: iopvar.h,v 1.2.2.2 2000/11/22 17:34:20 bouyer Exp $ */ 2 1.2.2.2 bouyer 3 1.2.2.2 bouyer /*- 4 1.2.2.2 bouyer * Copyright (c) 2000 The NetBSD Foundation, Inc. 5 1.2.2.2 bouyer * All rights reserved. 6 1.2.2.2 bouyer * 7 1.2.2.2 bouyer * This code is derived from software contributed to The NetBSD Foundation 8 1.2.2.2 bouyer * by Andrew Doran. 9 1.2.2.2 bouyer * 10 1.2.2.2 bouyer * Redistribution and use in source and binary forms, with or without 11 1.2.2.2 bouyer * modification, are permitted provided that the following conditions 12 1.2.2.2 bouyer * are met: 13 1.2.2.2 bouyer * 1. Redistributions of source code must retain the above copyright 14 1.2.2.2 bouyer * notice, this list of conditions and the following disclaimer. 15 1.2.2.2 bouyer * 2. Redistributions in binary form must reproduce the above copyright 16 1.2.2.2 bouyer * notice, this list of conditions and the following disclaimer in the 17 1.2.2.2 bouyer * documentation and/or other materials provided with the distribution. 18 1.2.2.2 bouyer * 3. All advertising materials mentioning features or use of this software 19 1.2.2.2 bouyer * must display the following acknowledgement: 20 1.2.2.2 bouyer * This product includes software developed by the NetBSD 21 1.2.2.2 bouyer * Foundation, Inc. and its contributors. 22 1.2.2.2 bouyer * 4. Neither the name of The NetBSD Foundation nor the names of its 23 1.2.2.2 bouyer * contributors may be used to endorse or promote products derived 24 1.2.2.2 bouyer * from this software without specific prior written permission. 25 1.2.2.2 bouyer * 26 1.2.2.2 bouyer * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 1.2.2.2 bouyer * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 1.2.2.2 bouyer * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 1.2.2.2 bouyer * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 1.2.2.2 bouyer * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 1.2.2.2 bouyer * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 1.2.2.2 bouyer * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 1.2.2.2 bouyer * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 1.2.2.2 bouyer * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 1.2.2.2 bouyer * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 1.2.2.2 bouyer * POSSIBILITY OF SUCH DAMAGE. 37 1.2.2.2 bouyer */ 38 1.2.2.2 bouyer 39 1.2.2.2 bouyer #ifndef _I2O_IOPVAR_H_ 40 1.2.2.2 bouyer #define _I2O_IOPVAR_H_ 41 1.2.2.2 bouyer 42 1.2.2.2 bouyer /* Per-IOP statistics; not particularly useful at the moment. */ 43 1.2.2.2 bouyer struct iop_stat { 44 1.2.2.2 bouyer int is_cur_swqueue; 45 1.2.2.2 bouyer int is_peak_swqueue; 46 1.2.2.2 bouyer int is_cur_hwqueue; 47 1.2.2.2 bouyer int is_peak_hwqueue; 48 1.2.2.2 bouyer int64_t is_requests; 49 1.2.2.2 bouyer int64_t is_bytes; 50 1.2.2.2 bouyer }; 51 1.2.2.2 bouyer 52 1.2.2.2 bouyer #ifdef _KERNEL 53 1.2.2.2 bouyer 54 1.2.2.2 bouyer #include "locators.h" 55 1.2.2.2 bouyer 56 1.2.2.2 bouyer /* XXX. Tunables. */ 57 1.2.2.2 bouyer #define IOP_MAX_INITIATORS 32 58 1.2.2.2 bouyer #define IOP_MAX_PI_QUEUECNT 128 59 1.2.2.2 bouyer #define IOP_MAX_HW_QUEUECNT 256 60 1.2.2.2 bouyer #define IOP_MAX_HW_REPLYCNT 128 61 1.2.2.2 bouyer 62 1.2.2.2 bouyer /* 63 1.2.2.2 bouyer * XXX The following should be adjusted if and when: 64 1.2.2.2 bouyer * 65 1.2.2.2 bouyer * o MAXPHYS exceeds 64kB. 66 1.2.2.2 bouyer * o A new message or reply is defined in i2o.h. 67 1.2.2.2 bouyer * 68 1.2.2.2 bouyer * As it stands, these make for a message frame of 200 bytes. 69 1.2.2.2 bouyer */ 70 1.2.2.2 bouyer #define IOP_MAX_SGL_SIZE 132 /* Maximum S/G list size */ 71 1.2.2.2 bouyer #define IOP_MAX_BASE_MSG_SIZE 68 /* Maximum base message size */ 72 1.2.2.2 bouyer #define IOP_MAX_XFER 65536 /* Maximum transfer size */ 73 1.2.2.2 bouyer #define IOP_MAX_MSG_XFERS 3 /* Maximum transfer count per msg */ 74 1.2.2.2 bouyer 75 1.2.2.2 bouyer #define IOP_MAX_SGL_ENTRIES (IOP_MAX_SGL_SIZE / 8) 76 1.2.2.2 bouyer #define IOP_MAX_MSG_SIZE (IOP_MAX_BASE_MSG_SIZE + IOP_MAX_SGL_SIZE) 77 1.2.2.2 bouyer 78 1.2.2.2 bouyer /* 79 1.2.2.2 bouyer * Transfer descriptor. 80 1.2.2.2 bouyer */ 81 1.2.2.2 bouyer struct iop_xfer { 82 1.2.2.2 bouyer bus_dmamap_t ix_map; 83 1.2.2.2 bouyer u_int ix_size; 84 1.2.2.2 bouyer u_int ix_flags; 85 1.2.2.2 bouyer }; 86 1.2.2.2 bouyer #define IX_IN 0x0001 /* Data transfer from IOP */ 87 1.2.2.2 bouyer #define IX_OUT 0x0002 /* Data transfer to IOP */ 88 1.2.2.2 bouyer 89 1.2.2.2 bouyer /* 90 1.2.2.2 bouyer * Message wrapper. 91 1.2.2.2 bouyer */ 92 1.2.2.2 bouyer struct iop_msg { 93 1.2.2.2 bouyer SIMPLEQ_ENTRY(iop_msg) im_queue; /* Next queued message */ 94 1.2.2.2 bouyer TAILQ_ENTRY(iop_msg) im_hash; /* Hash chain */ 95 1.2.2.2 bouyer u_int im_flags; /* Control flags */ 96 1.2.2.2 bouyer u_int im_tctx; /* Transaction context */ 97 1.2.2.2 bouyer u_int im_tid; /* TID we're addressing */ 98 1.2.2.2 bouyer void *im_dvcontext; /* Un*x device context */ 99 1.2.2.2 bouyer u_int32_t im_msg[IOP_MAX_MSG_SIZE / sizeof(u_int32_t)]; 100 1.2.2.2 bouyer struct iop_xfer im_xfer[IOP_MAX_MSG_XFERS]; 101 1.2.2.2 bouyer }; 102 1.2.2.2 bouyer 103 1.2.2.2 bouyer #define IM_SYSMASK 0x00ff 104 1.2.2.2 bouyer #define IM_REPLIED 0x0001 /* Message has been replied to */ 105 1.2.2.2 bouyer #define IM_ALLOCED 0x0002 /* This message wrapper is allocated */ 106 1.2.2.2 bouyer #define IM_WAITING 0x0004 /* Somebody is waiting for reply */ 107 1.2.2.2 bouyer #define IM_SGLOFFADJ 0x0008 /* S/G list offset adjusted */ 108 1.2.2.2 bouyer #define IM_DISCARD 0x0010 /* Discard message wrapper once sent */ 109 1.2.2.2 bouyer 110 1.2.2.2 bouyer #define IM_USERMASK 0xff00 111 1.2.2.2 bouyer #define IM_NOWAIT 0x0100 /* Don't sleep when processing */ 112 1.2.2.2 bouyer #define IM_NOICTX 0x0200 /* No initiator context field */ 113 1.2.2.2 bouyer #define IM_NOINTR 0x0400 /* Don't interrupt when complete */ 114 1.2.2.2 bouyer 115 1.2.2.2 bouyer struct iop_initiator { 116 1.2.2.2 bouyer struct device *ii_dv; 117 1.2.2.2 bouyer void (*ii_intr)(struct device *, struct iop_msg *, void *); 118 1.2.2.2 bouyer int ii_flags; 119 1.2.2.2 bouyer int ii_ictx; 120 1.2.2.2 bouyer }; 121 1.2.2.2 bouyer #define II_DISCARD 0x0001 /* Don't track state; discard msg wrappers */ 122 1.2.2.2 bouyer 123 1.2.2.2 bouyer #define IOP_ICTX 0 124 1.2.2.2 bouyer 125 1.2.2.2 bouyer /* 126 1.2.2.2 bouyer * Per-IOP context. 127 1.2.2.2 bouyer */ 128 1.2.2.2 bouyer struct iop_softc { 129 1.2.2.2 bouyer struct device sc_dv; /* generic device data */ 130 1.2.2.2 bouyer bus_space_handle_t sc_ioh; /* bus space handle */ 131 1.2.2.2 bouyer bus_space_tag_t sc_iot; /* bus space tag */ 132 1.2.2.2 bouyer bus_dma_tag_t sc_dmat; /* bus DMA tag */ 133 1.2.2.2 bouyer void *sc_ih; /* interrupt handler cookie */ 134 1.2.2.2 bouyer 135 1.2.2.2 bouyer struct i2o_hrt *sc_hrt; /* hardware resource table */ 136 1.2.2.2 bouyer struct i2o_lct *sc_lct; /* logical configuration table */ 137 1.2.2.2 bouyer int sc_nlctent; /* number of LCT entries */ 138 1.2.2.2 bouyer u_int8_t *sc_lctmap; /* lct map (per-entry flags) */ 139 1.2.2.2 bouyer struct i2o_status sc_status; /* status */ 140 1.2.2.2 bouyer struct iop_stat sc_stat; /* counters */ 141 1.2.2.2 bouyer int sc_flags; /* IOP-wide flags */ 142 1.2.2.2 bouyer int sc_maxreplycnt; /* reply queue size */ 143 1.2.2.2 bouyer 144 1.2.2.2 bouyer SIMPLEQ_HEAD(,iop_msg) sc_queue;/* software queue */ 145 1.2.2.2 bouyer int sc_maxqueuecnt; /* maximum # of msgs on h/w queue */ 146 1.2.2.2 bouyer 147 1.2.2.2 bouyer /* 148 1.2.2.2 bouyer * Reply queue. 149 1.2.2.2 bouyer */ 150 1.2.2.2 bouyer bus_dmamap_t sc_rep_dmamap; 151 1.2.2.2 bouyer int sc_rep_size; 152 1.2.2.2 bouyer bus_addr_t sc_rep_phys; 153 1.2.2.2 bouyer caddr_t sc_rep; 154 1.2.2.2 bouyer 155 1.2.2.2 bouyer /* 156 1.2.2.2 bouyer * Initiator table. 157 1.2.2.2 bouyer */ 158 1.2.2.2 bouyer struct iop_initiator *sc_itab[IOP_MAX_INITIATORS]; 159 1.2.2.2 bouyer 160 1.2.2.2 bouyer /* 161 1.2.2.2 bouyer * The following are used only when posting the system table to 162 1.2.2.2 bouyer * the IOP. They describe PCI memory and I/O port regions. 163 1.2.2.2 bouyer */ 164 1.2.2.2 bouyer bus_addr_t sc_memaddr; 165 1.2.2.2 bouyer int sc_memsize; 166 1.2.2.2 bouyer int sc_ioaddr; 167 1.2.2.2 bouyer int sc_iosize; 168 1.2.2.2 bouyer }; 169 1.2.2.2 bouyer 170 1.2.2.2 bouyer #define IOP_OPEN 0x01 /* Device interface open */ 171 1.2.2.2 bouyer #define IOP_LCTLKHELD 0x02 /* sc_lct lock held */ 172 1.2.2.2 bouyer #define IOP_LCTLKWANTED 0x04 /* sc_lct lock wanted */ 173 1.2.2.2 bouyer #define IOP_DRAIN 0x08 /* Draining IOP */ 174 1.2.2.2 bouyer 175 1.2.2.2 bouyer #define IOP_LCTMAP_INUSE 0x01 /* target is in use */ 176 1.2.2.2 bouyer 177 1.2.2.2 bouyer struct iop_attach_args { 178 1.2.2.2 bouyer int ia_class; /* device class */ 179 1.2.2.2 bouyer int ia_tid; /* target ID */ 180 1.2.2.2 bouyer }; 181 1.2.2.2 bouyer #define iopcf_tid cf_loc[IOPCF_TID] /* TID */ 182 1.2.2.2 bouyer 183 1.2.2.2 bouyer int iop_init(struct iop_softc *, const char *); 184 1.2.2.2 bouyer int iop_intr(void *); 185 1.2.2.2 bouyer int iop_params_get(struct iop_softc *, int, int, void *, int); 186 1.2.2.2 bouyer int iop_simple_cmd(struct iop_softc *, int, int, int); 187 1.2.2.2 bouyer void iop_strvis(const char *, int, char *, int); 188 1.2.2.2 bouyer 189 1.2.2.2 bouyer int iop_initiator_register(struct iop_softc *, struct iop_initiator *); 190 1.2.2.2 bouyer void iop_initiator_unregister(struct iop_softc *, struct iop_initiator *); 191 1.2.2.2 bouyer 192 1.2.2.2 bouyer int iop_lct_get(struct iop_softc *); 193 1.2.2.2 bouyer int iop_lct_lock(struct iop_softc *); 194 1.2.2.2 bouyer void iop_lct_unlock(struct iop_softc *); 195 1.2.2.2 bouyer 196 1.2.2.2 bouyer int iop_msg_alloc(struct iop_softc *, struct iop_initiator *, 197 1.2.2.2 bouyer struct iop_msg **, int); 198 1.2.2.2 bouyer int iop_msg_enqueue(struct iop_softc *, struct iop_msg *); 199 1.2.2.2 bouyer void iop_msg_free(struct iop_softc *, struct iop_initiator *, 200 1.2.2.2 bouyer struct iop_msg *); 201 1.2.2.2 bouyer int iop_msg_map(struct iop_softc *, struct iop_msg *, void *, int, int); 202 1.2.2.2 bouyer int iop_msg_send(struct iop_softc *, struct iop_msg *, int); 203 1.2.2.2 bouyer void iop_msg_unmap(struct iop_softc *, struct iop_msg *); 204 1.2.2.2 bouyer int iop_msg_wait(struct iop_softc *, struct iop_msg *, int); 205 1.2.2.2 bouyer 206 1.2.2.2 bouyer int iop_tid_claim(struct iop_softc *, int, int, int); 207 1.2.2.2 bouyer int iop_tid_inuse(struct iop_softc *, int); 208 1.2.2.2 bouyer int iop_tid_lct_index(struct iop_softc *, int); 209 1.2.2.2 bouyer void iop_tid_markallused(struct iop_softc *, int); 210 1.2.2.2 bouyer 211 1.2.2.2 bouyer #endif /* _KERNEL */ 212 1.2.2.2 bouyer 213 1.2.2.2 bouyer #endif /* !_I2O_IOPVAR_H_ */ 214
Indexes created Thu Oct 02 10:09:58 GMT 2025