mpt_netbsd.h revision 1.7
1 /* $NetBSD: mpt_netbsd.h,v 1.7 2007/10/19 11:59:57 ad Exp $ */ 2 3 /* 4 * Copyright (c) 2003 Wasabi Systems, Inc. 5 * All rights reserved. 6 * 7 * Written by Jason R. Thorpe for Wasabi Systems, Inc. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed for the NetBSD Project by 20 * Wasabi Systems, Inc. 21 * 4. The name of Wasabi Systems, Inc. may not be used to endorse 22 * or promote products derived from this software without specific prior 23 * written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35 * POSSIBILITY OF SUCH DAMAGE. 36 */ 37 38 /* 39 * Copyright (c) 2000, 2001 by Greg Ansley, Adam Prewett 40 * 41 * Partially derived from Matt Jacobs ISP driver. 42 * 43 * Redistribution and use in source and binary forms, with or without 44 * modification, are permitted provided that the following conditions 45 * are met: 46 * 1. Redistributions of source code must retain the above copyright 47 * notice immediately at the beginning of the file, without modification, 48 * this list of conditions, and the following disclaimer. 49 * 2. The name of the author may not be used to endorse or promote products 50 * derived from this software without specific prior written permission. 51 * 52 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 53 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 54 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 55 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 56 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 57 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 58 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 59 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 60 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 61 */ 62 /* 63 * Additional Copyright (c) 2002 by Matthew Jacob under same license. 64 */ 65 66 /* 67 * mpt_netbsd.h: 68 * 69 * NetBSD-specific definitions for LSI Fusion adapters. 70 * 71 * Adapted from the FreeBSD "mpt" driver by Jason R. Thorpe for 72 * Wasabi Systems, Inc. 73 * 74 * Additional contributions by Garrett D'Amore on behalf of TELES AG. 75 */ 76 77 #ifndef _DEV_IC_MPT_NETBSD_H_ 78 #define _DEV_IC_MPT_NETBSD_H_ 79 80 #include <sys/param.h> 81 #include <sys/systm.h> 82 #include <sys/malloc.h> 83 #include <sys/kernel.h> 84 #include <sys/callout.h> 85 #include <sys/errno.h> 86 #include <sys/buf.h> 87 #include <sys/queue.h> 88 89 #include <uvm/uvm_extern.h> 90 91 #include <sys/bus.h> 92 #include <sys/intr.h> 93 94 #include <dev/scsipi/scsi_all.h> 95 #include <dev/scsipi/scsipi_all.h> 96 #include <dev/scsipi/scsiconf.h> 97 98 #include <dev/ic/mpt_mpilib.h> 99 100 /* Max MPT Reply we are willing to accept (must be a power of 2). */ 101 #define MPT_REPLY_SIZE 128 102 103 #define MPT_MAX_REQUESTS(mpt) ((mpt)->is_fc ? 1024 : 256) 104 #define MPT_REQUEST_AREA 512 105 #define MPT_SENSE_SIZE 32 /* included in MPT_REQUEST_AREA */ 106 #define MPT_REQ_MEM_SIZE(mpt) (MPT_MAX_REQUESTS(mpt) * MPT_REQUEST_AREA) 107 108 /* 109 * We cannot tell prior to getting IOC facts how big the IOC's request 110 * area is. Because of this we cannot tell at compile time how many 111 * simple SG elements we can fit within an IOC request prior to having 112 * to put in a chain element. 113 * 114 * Experimentally we know that the Ultra4 parts have a 96 byte request 115 * element size and the Fibre Channel units have a 144 byte request 116 * element size. Therefore, if we have 512-32 (== 480) bytes of request 117 * area to play with, we have room for between 3 and 5 request sized 118 * regions- the first of which is the command plus a simple SG list, 119 * the rest of which are chained continuation SG lists. Given that the 120 * normal request we use is 48 bytes w/o the first SG element, we can 121 * assume we have 480-48 == 432 bytes to have simple SG elements and/or 122 * chain elements. If we assume 32 bit addressing, this works out to 123 * 54 SG or chain elements. If we assume 5 chain elements, then we have 124 * a maximum of 49 separate actual SG segments. 125 */ 126 #define MPT_SGL_MAX 49 127 128 #define MPT_RQSL(mpt) ((mpt)->request_frame_size << 2) 129 #define MPT_NSGL(mpt) (MPT_RQSL(mpt) / sizeof(SGE_SIMPLE32)) 130 131 #define MPT_NSGL_FIRST(mpt) \ 132 ((((mpt)->request_frame_size << 2) - \ 133 sizeof(MSG_SCSI_IO_REQUEST) - \ 134 sizeof(SGE_IO_UNION)) / sizeof(SGE_SIMPLE32)) 135 136 /* 137 * Convert a physical address returned from IOC to a virtual address 138 * needed to access the data. 139 */ 140 #define MPT_REPLY_PTOV(m, x) \ 141 ((void *)(&(m)->reply[(((x) << 1) - (m)->reply_phys)])) 142 143 enum mpt_req_state { 144 REQ_FREE, 145 REQ_IN_PROGRESS, 146 REQ_TIMEOUT, 147 REQ_ON_CHIP, 148 REQ_DONE 149 }; 150 typedef struct req_entry { 151 uint16_t index; /* index of this entry */ 152 struct scsipi_xfer *xfer; /* scsipi xfer request */ 153 void *req_vbuf; /* virtual address of entry */ 154 void *sense_vbuf; /* virtual address of sense data */ 155 bus_addr_t req_pbuf; /* physical address of entry */ 156 bus_addr_t sense_pbuf; /* physical address of sense data */ 157 bus_dmamap_t dmap; /* DMA map for data buffer */ 158 SLIST_ENTRY(req_entry) link; /* pointer to next in list */ 159 enum mpt_req_state debug; /* debugging */ 160 uint32_t sequence; /* sequence number */ 161 } request_t; 162 163 typedef struct mpt_softc { 164 struct device sc_dev; /* base device glue */ 165 166 /* Locking context */ 167 int mpt_splsaved; 168 uint32_t mpt_islocked; 169 170 int verbose : 3, 171 mpt_locksetup : 1, 172 is_fc : 1, 173 is_scsi : 1, 174 is_sas : 1, 175 bus : 1, 176 : 23; 177 178 /* IOC facts */ 179 uint16_t mpt_global_credits; 180 uint16_t request_frame_size; 181 uint8_t mpt_max_devices; 182 uint8_t mpt_max_buses; 183 184 /* Port facts */ 185 uint16_t mpt_ini_id; 186 187 /* Device configuration information */ 188 union { 189 struct mpt_spi_cfg { 190 fCONFIG_PAGE_SCSI_PORT_0 _port_page0; 191 fCONFIG_PAGE_SCSI_PORT_1 _port_page1; 192 fCONFIG_PAGE_SCSI_PORT_2 _port_page2; 193 fCONFIG_PAGE_SCSI_DEVICE_0 _dev_page0[16]; 194 fCONFIG_PAGE_SCSI_DEVICE_1 _dev_page1[16]; 195 uint16_t _tag_enable; 196 uint16_t _disc_enable; 197 uint16_t _update_params0; 198 uint16_t _update_params1; 199 uint16_t _report_xfer_mode; 200 } spi; 201 #define mpt_port_page0 cfg.spi._port_page0 202 #define mpt_port_page1 cfg.spi._port_page1 203 #define mpt_port_page2 cfg.spi._port_page2 204 #define mpt_dev_page0 cfg.spi._dev_page0 205 #define mpt_dev_page1 cfg.spi._dev_page1 206 #define mpt_tag_enable cfg.spi._tag_enable 207 #define mpt_disc_enable cfg.spi._disc_enable 208 #define mpt_update_params0 cfg.spi._update_params0 209 #define mpt_update_params1 cfg.spi._update_params1 210 #define mpt_report_xfer_mode cfg.spi._report_xfer_mode 211 212 struct mpt_fc_cfg { 213 uint8_t nada; 214 } fc; 215 } cfg; 216 217 bus_space_tag_t sc_st; 218 bus_space_handle_t sc_sh; 219 bus_dma_tag_t sc_dmat; 220 221 /* Reply memory */ 222 bus_dmamap_t reply_dmap; 223 char *reply; 224 bus_addr_t reply_phys; 225 226 /* Request memory */ 227 bus_dmamap_t request_dmap; 228 char *request; 229 bus_addr_t request_phys; 230 231 /* SCSIPI and software management */ 232 request_t *request_pool; 233 SLIST_HEAD(req_queue, req_entry) request_free_list; 234 235 struct scsipi_adapter sc_adapter; 236 struct scsipi_channel sc_channel; 237 238 uint32_t sequence; /* sequence number */ 239 uint32_t timeouts; /* timeout count */ 240 uint32_t success; /* success after timeout */ 241 242 /* To restore configuration after hard reset. */ 243 void (*sc_set_config_regs)(struct mpt_softc *); 244 } mpt_softc_t; 245 246 #define MPT_SYNC_REQ(mpt, req, ops) \ 247 bus_dmamap_sync((mpt)->sc_dmat, (mpt)->request_dmap, \ 248 (req)->req_pbuf - (mpt)->request_phys, \ 249 MPT_REQUEST_AREA, (ops)) 250 251 #define mpt_read(mpt, reg) \ 252 bus_space_read_4((mpt)->sc_st, (mpt)->sc_sh, (reg)) 253 #define mpt_write(mpt, reg, val) \ 254 bus_space_write_4((mpt)->sc_st, (mpt)->sc_sh, (reg), (val)) 255 256 void mpt_scsipi_attach(mpt_softc_t *); 257 int mpt_dma_mem_alloc(mpt_softc_t *); 258 int mpt_intr(void *); 259 void mpt_prt(mpt_softc_t *, const char *, ...); 260 261 #define mpt_set_config_regs(mpt) \ 262 do { \ 263 if ((mpt)->sc_set_config_regs != NULL) \ 264 (*(mpt)->sc_set_config_regs)((mpt)); \ 265 } while (/*CONSTCOND*/0) 266 267 #endif /* _DEV_IC_MPT_NETBSD_H_ */ 268
Indexes created Wed Sep 24 02:09:48 GMT 2025