iopvar.h revision 1.2.2.3
1 1.2.2.3 bouyer /* $NetBSD: iopvar.h,v 1.2.2.3 2000/12/08 09:12:19 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 /* 53 1.2.2.2 bouyer * XXX The following should be adjusted if and when: 54 1.2.2.2 bouyer * 55 1.2.2.2 bouyer * o MAXPHYS exceeds 64kB. 56 1.2.2.2 bouyer * o A new message or reply is defined in i2o.h. 57 1.2.2.2 bouyer * 58 1.2.2.2 bouyer * As it stands, these make for a message frame of 200 bytes. 59 1.2.2.2 bouyer */ 60 1.2.2.2 bouyer #define IOP_MAX_SGL_SIZE 132 /* Maximum S/G list size */ 61 1.2.2.2 bouyer #define IOP_MAX_BASE_MSG_SIZE 68 /* Maximum base message size */ 62 1.2.2.2 bouyer #define IOP_MAX_XFER 65536 /* Maximum transfer size */ 63 1.2.2.2 bouyer #define IOP_MAX_MSG_XFERS 3 /* Maximum transfer count per msg */ 64 1.2.2.2 bouyer 65 1.2.2.2 bouyer #define IOP_MAX_SGL_ENTRIES (IOP_MAX_SGL_SIZE / 8) 66 1.2.2.2 bouyer #define IOP_MAX_MSG_SIZE (IOP_MAX_BASE_MSG_SIZE + IOP_MAX_SGL_SIZE) 67 1.2.2.2 bouyer 68 1.2.2.3 bouyer /* Linux sez that some IOPs don't like reply frame sizes other than 128. */ 69 1.2.2.3 bouyer #define IOP_MAX_REPLY_SIZE 128 70 1.2.2.3 bouyer 71 1.2.2.3 bouyer #define IOP_MAX_HW_QUEUECNT 256 72 1.2.2.3 bouyer #define IOP_MAX_HW_REPLYCNT 256 73 1.2.2.3 bouyer 74 1.2.2.3 bouyer #ifdef _KERNEL 75 1.2.2.3 bouyer 76 1.2.2.3 bouyer #include "locators.h" 77 1.2.2.3 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 void *im_dvcontext; /* Un*x device context */ 98 1.2.2.2 bouyer u_int32_t im_msg[IOP_MAX_MSG_SIZE / sizeof(u_int32_t)]; 99 1.2.2.2 bouyer struct iop_xfer im_xfer[IOP_MAX_MSG_XFERS]; 100 1.2.2.2 bouyer }; 101 1.2.2.2 bouyer #define IM_SYSMASK 0x00ff 102 1.2.2.2 bouyer #define IM_REPLIED 0x0001 /* Message has been replied to */ 103 1.2.2.2 bouyer #define IM_ALLOCED 0x0002 /* This message wrapper is allocated */ 104 1.2.2.2 bouyer #define IM_SGLOFFADJ 0x0008 /* S/G list offset adjusted */ 105 1.2.2.2 bouyer #define IM_DISCARD 0x0010 /* Discard message wrapper once sent */ 106 1.2.2.3 bouyer #define IM_WAITING 0x0020 /* Waiting for completion */ 107 1.2.2.2 bouyer 108 1.2.2.2 bouyer #define IM_USERMASK 0xff00 109 1.2.2.2 bouyer #define IM_NOWAIT 0x0100 /* Don't sleep when processing */ 110 1.2.2.2 bouyer #define IM_NOICTX 0x0200 /* No initiator context field */ 111 1.2.2.2 bouyer #define IM_NOINTR 0x0400 /* Don't interrupt when complete */ 112 1.2.2.3 bouyer #define IM_NOSTATUS 0x0800 /* Don't check status if waiting */ 113 1.2.2.2 bouyer 114 1.2.2.2 bouyer struct iop_initiator { 115 1.2.2.3 bouyer LIST_ENTRY(iop_initiator) ii_list; 116 1.2.2.3 bouyer LIST_ENTRY(iop_initiator) ii_hash; 117 1.2.2.3 bouyer 118 1.2.2.2 bouyer void (*ii_intr)(struct device *, struct iop_msg *, void *); 119 1.2.2.3 bouyer int (*ii_reconfig)(struct device *); 120 1.2.2.3 bouyer struct device *ii_dv; 121 1.2.2.2 bouyer int ii_flags; 122 1.2.2.3 bouyer int ii_ictx; /* Initiator context */ 123 1.2.2.3 bouyer int ii_stctx; /* Static transaction context */ 124 1.2.2.3 bouyer int ii_tid; 125 1.2.2.2 bouyer }; 126 1.2.2.2 bouyer #define II_DISCARD 0x0001 /* Don't track state; discard msg wrappers */ 127 1.2.2.3 bouyer #define II_CONFIGURED 0x0002 /* Already configured */ 128 1.2.2.3 bouyer #define II_UTILITY 0x0004 /* Utility initiator (not a `real device') */ 129 1.2.2.2 bouyer 130 1.2.2.2 bouyer #define IOP_ICTX 0 131 1.2.2.2 bouyer 132 1.2.2.3 bouyer struct iop_tidmap { 133 1.2.2.3 bouyer u_short it_tid; 134 1.2.2.3 bouyer u_short it_flags; 135 1.2.2.3 bouyer }; 136 1.2.2.3 bouyer #define IT_CONFIGURED 0x02 /* target configured */ 137 1.2.2.3 bouyer 138 1.2.2.2 bouyer /* 139 1.2.2.2 bouyer * Per-IOP context. 140 1.2.2.2 bouyer */ 141 1.2.2.2 bouyer struct iop_softc { 142 1.2.2.2 bouyer struct device sc_dv; /* generic device data */ 143 1.2.2.2 bouyer bus_space_handle_t sc_ioh; /* bus space handle */ 144 1.2.2.2 bouyer bus_space_tag_t sc_iot; /* bus space tag */ 145 1.2.2.2 bouyer bus_dma_tag_t sc_dmat; /* bus DMA tag */ 146 1.2.2.2 bouyer void *sc_ih; /* interrupt handler cookie */ 147 1.2.2.3 bouyer struct lock sc_conflock; /* autoconfiguration lock */ 148 1.2.2.3 bouyer bus_addr_t sc_memaddr; /* register window address */ 149 1.2.2.3 bouyer bus_size_t sc_memsize; /* register window size */ 150 1.2.2.2 bouyer 151 1.2.2.2 bouyer struct i2o_hrt *sc_hrt; /* hardware resource table */ 152 1.2.2.2 bouyer struct i2o_lct *sc_lct; /* logical configuration table */ 153 1.2.2.2 bouyer int sc_nlctent; /* number of LCT entries */ 154 1.2.2.3 bouyer struct iop_tidmap *sc_tidmap; /* tid map (per-lct-entry flags) */ 155 1.2.2.2 bouyer struct i2o_status sc_status; /* status */ 156 1.2.2.2 bouyer struct iop_stat sc_stat; /* counters */ 157 1.2.2.2 bouyer int sc_flags; /* IOP-wide flags */ 158 1.2.2.2 bouyer int sc_maxreplycnt; /* reply queue size */ 159 1.2.2.3 bouyer u_int32_t sc_chgindicator;/* autoconfig vs. LCT change ind. */ 160 1.2.2.3 bouyer LIST_HEAD(, iop_initiator) sc_iilist;/* initiator list */ 161 1.2.2.2 bouyer SIMPLEQ_HEAD(,iop_msg) sc_queue;/* software queue */ 162 1.2.2.2 bouyer int sc_maxqueuecnt; /* maximum # of msgs on h/w queue */ 163 1.2.2.3 bouyer struct iop_initiator sc_eventii;/* IOP event handler */ 164 1.2.2.3 bouyer struct proc *sc_reconf_proc;/* reconfiguration process */ 165 1.2.2.2 bouyer 166 1.2.2.2 bouyer /* 167 1.2.2.2 bouyer * Reply queue. 168 1.2.2.2 bouyer */ 169 1.2.2.2 bouyer bus_dmamap_t sc_rep_dmamap; 170 1.2.2.2 bouyer int sc_rep_size; 171 1.2.2.2 bouyer bus_addr_t sc_rep_phys; 172 1.2.2.2 bouyer caddr_t sc_rep; 173 1.2.2.2 bouyer }; 174 1.2.2.2 bouyer #define IOP_OPEN 0x01 /* Device interface open */ 175 1.2.2.3 bouyer #define IOP_HAVESTATUS 0x02 /* Successfully retrieved status */ 176 1.2.2.3 bouyer #define IOP_ONLINE 0x04 /* Can use ioctl interface */ 177 1.2.2.2 bouyer 178 1.2.2.2 bouyer struct iop_attach_args { 179 1.2.2.2 bouyer int ia_class; /* device class */ 180 1.2.2.2 bouyer int ia_tid; /* target ID */ 181 1.2.2.2 bouyer }; 182 1.2.2.2 bouyer #define iopcf_tid cf_loc[IOPCF_TID] /* TID */ 183 1.2.2.2 bouyer 184 1.2.2.3 bouyer void iop_init(struct iop_softc *, const char *); 185 1.2.2.2 bouyer int iop_intr(void *); 186 1.2.2.3 bouyer int iop_lct_get(struct iop_softc *); 187 1.2.2.3 bouyer int iop_param_op(struct iop_softc *, int, int, int, void *, int); 188 1.2.2.3 bouyer int iop_simple_cmd(struct iop_softc *, int, int, int, int, int); 189 1.2.2.3 bouyer void iop_strvis(struct iop_softc *, const char *, int, char *, int); 190 1.2.2.2 bouyer 191 1.2.2.2 bouyer int iop_initiator_register(struct iop_softc *, struct iop_initiator *); 192 1.2.2.2 bouyer void iop_initiator_unregister(struct iop_softc *, struct iop_initiator *); 193 1.2.2.2 bouyer 194 1.2.2.2 bouyer int iop_msg_alloc(struct iop_softc *, struct iop_initiator *, 195 1.2.2.2 bouyer struct iop_msg **, int); 196 1.2.2.3 bouyer int iop_msg_enqueue(struct iop_softc *, struct iop_msg *, int); 197 1.2.2.2 bouyer void iop_msg_free(struct iop_softc *, struct iop_initiator *, 198 1.2.2.2 bouyer struct iop_msg *); 199 1.2.2.2 bouyer int iop_msg_map(struct iop_softc *, struct iop_msg *, void *, int, int); 200 1.2.2.2 bouyer int iop_msg_send(struct iop_softc *, struct iop_msg *, int); 201 1.2.2.2 bouyer void iop_msg_unmap(struct iop_softc *, struct iop_msg *); 202 1.2.2.2 bouyer 203 1.2.2.3 bouyer int iop_util_abort(struct iop_softc *, struct iop_initiator *, int, int, 204 1.2.2.3 bouyer int); 205 1.2.2.3 bouyer int iop_util_claim(struct iop_softc *, struct iop_initiator *, int, int); 206 1.2.2.3 bouyer int iop_util_eventreg(struct iop_softc *, struct iop_initiator *, int); 207 1.2.2.2 bouyer 208 1.2.2.2 bouyer #endif /* _KERNEL */ 209 1.2.2.2 bouyer 210 1.2.2.3 bouyer /* 211 1.2.2.3 bouyer * ioctl() interface. 212 1.2.2.3 bouyer */ 213 1.2.2.3 bouyer 214 1.2.2.3 bouyer struct ioppt_buf { 215 1.2.2.3 bouyer void *ptb_data; 216 1.2.2.3 bouyer size_t ptb_datalen; 217 1.2.2.3 bouyer int ptb_out; 218 1.2.2.3 bouyer }; 219 1.2.2.3 bouyer 220 1.2.2.3 bouyer struct ioppt { 221 1.2.2.3 bouyer void *pt_msg; 222 1.2.2.3 bouyer size_t pt_msglen; 223 1.2.2.3 bouyer void *pt_reply; 224 1.2.2.3 bouyer size_t pt_replylen; 225 1.2.2.3 bouyer int pt_timo; 226 1.2.2.3 bouyer int pt_nbufs; 227 1.2.2.3 bouyer struct ioppt_buf pt_bufs[IOP_MAX_MSG_XFERS]; 228 1.2.2.3 bouyer }; 229 1.2.2.3 bouyer 230 1.2.2.3 bouyer #define IOPIOCPT _IOWR('u', 0, struct ioppt) 231 1.2.2.3 bouyer #define IOPIOCGLCT _IOW('u', 1, struct iovec) 232 1.2.2.3 bouyer #define IOPIOCGSTATUS _IOW('u', 2, struct iovec) 233 1.2.2.3 bouyer #define IOPIOCRECONFIG _IO('u', 3) 234 1.2.2.3 bouyer 235 1.2.2.2 bouyer #endif /* !_I2O_IOPVAR_H_ */ 236
Indexes created Thu Oct 02 07:10:07 GMT 2025