1 /* $NetBSD: mpt_netbsd.h,v 1.11 2014/04/01 23:57:54 buhrow 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 #include <sys/device.h> 89 90 #include <sys/bus.h> 91 #include <sys/intr.h> 92 93 #include <dev/scsipi/scsi_all.h> 94 #include <dev/scsipi/scsipi_all.h> 95 #include <dev/scsipi/scsiconf.h> 96 97 #include <dev/ic/mpt_mpilib.h> 98 99 /* Max MPT Reply we are willing to accept (must be a power of 2). */ 100 #define MPT_REPLY_SIZE 128 101 102 #define MPT_MAX_REQUESTS(mpt) ((mpt)->is_fc ? 1024 : 256) 103 #define MPT_REQUEST_AREA 512 104 #define MPT_SENSE_SIZE 32 /* included in MPT_REQUEST_AREA */ 105 #define MPT_REQ_MEM_SIZE(mpt) (MPT_MAX_REQUESTS(mpt) * MPT_REQUEST_AREA) 106 107 /* 108 * We cannot tell prior to getting IOC facts how big the IOC's request 109 * area is. Because of this we cannot tell at compile time how many 110 * simple SG elements we can fit within an IOC request prior to having 111 * to put in a chain element. 112 * 113 * Experimentally we know that the Ultra4 parts have a 96 byte request 114 * element size and the Fibre Channel units have a 144 byte request 115 * element size. Therefore, if we have 512-32 (== 480) bytes of request 116 * area to play with, we have room for between 3 and 5 request sized 117 * regions- the first of which is the command plus a simple SG list, 118 * the rest of which are chained continuation SG lists. Given that the 119 * normal request we use is 48 bytes w/o the first SG element, we can 120 * assume we have 480-48 == 432 bytes to have simple SG elements and/or 121 * chain elements. If we assume 32 bit addressing, this works out to 122 * 54 SG or chain elements. If we assume 5 chain elements, then we have 123 * a maximum of 49 separate actual SG segments. 124 */ 125 #define MPT_SGL_MAX 49 126 127 #define MPT_RQSL(mpt) ((mpt)->request_frame_size << 2) 128 #define MPT_NSGL(mpt) (MPT_RQSL(mpt) / sizeof(SGE_SIMPLE32)) 129 130 #define MPT_NSGL_FIRST(mpt) \ 131 ((((mpt)->request_frame_size << 2) - \ 132 sizeof(MSG_SCSI_IO_REQUEST) - \ 133 sizeof(SGE_IO_UNION)) / sizeof(SGE_SIMPLE32)) 134 135 /* 136 * Convert a physical address returned from IOC to a virtual address 137 * needed to access the data. 138 */ 139 #define MPT_REPLY_PTOV(m, x) \ 140 ((void *)(&(m)->reply[(((x) << 1) - (m)->reply_phys)])) 141 142 enum mpt_req_state { 143 REQ_FREE, 144 REQ_IN_PROGRESS, 145 REQ_TIMEOUT, 146 REQ_ON_CHIP, 147 REQ_DONE 148 }; 149 typedef struct req_entry { 150 uint16_t index; /* index of this entry */ 151 struct scsipi_xfer *xfer; /* scsipi xfer request */ 152 void *req_vbuf; /* virtual address of entry */ 153 void *sense_vbuf; /* virtual address of sense data */ 154 bus_addr_t req_pbuf; /* physical address of entry */ 155 bus_addr_t sense_pbuf; /* physical address of sense data */ 156 bus_dmamap_t dmap; /* DMA map for data buffer */ 157 SLIST_ENTRY(req_entry) link; /* pointer to next in list */ 158 enum mpt_req_state debug; /* debugging */ 159 uint32_t sequence; /* sequence number */ 160 } request_t; 161 162 typedef struct mpt_softc { 163 device_t sc_dev; /* base device glue */ 164 165 /* Locking context */ 166 int mpt_splsaved; 167 uint32_t mpt_islocked; 168 169 int verbose : 3, 170 mpt_locksetup : 1, 171 is_fc : 1, 172 is_scsi : 1, 173 is_sas : 1, 174 bus : 1, 175 : 23; 176 177 /* IOC facts */ 178 uint16_t mpt_global_credits; 179 uint16_t request_frame_size; 180 uint8_t mpt_max_devices; 181 uint8_t mpt_max_buses; 182 183 /* Port facts */ 184 uint16_t mpt_ini_id; 185 186 /* Device configuration information */ 187 union { 188 struct mpt_spi_cfg { 189 fCONFIG_PAGE_SCSI_PORT_0 _port_page0; 190 fCONFIG_PAGE_SCSI_PORT_1 _port_page1; 191 fCONFIG_PAGE_SCSI_PORT_2 _port_page2; 192 fCONFIG_PAGE_SCSI_DEVICE_0 _dev_page0[16]; 193 fCONFIG_PAGE_SCSI_DEVICE_1 _dev_page1[16]; 194 uint16_t _tag_enable; 195 uint16_t _disc_enable; 196 uint16_t _update_params0; 197 uint16_t _update_params1; 198 uint16_t _report_xfer_mode; 199 } spi; 200 #define mpt_port_page0 cfg.spi._port_page0 201 #define mpt_port_page1 cfg.spi._port_page1 202 #define mpt_port_page2 cfg.spi._port_page2 203 #define mpt_dev_page0 cfg.spi._dev_page0 204 #define mpt_dev_page1 cfg.spi._dev_page1 205 #define mpt_tag_enable cfg.spi._tag_enable 206 #define mpt_disc_enable cfg.spi._disc_enable 207 #define mpt_update_params0 cfg.spi._update_params0 208 #define mpt_update_params1 cfg.spi._update_params1 209 #define mpt_report_xfer_mode cfg.spi._report_xfer_mode 210 211 struct mpt_fc_cfg { 212 uint8_t nada; 213 } fc; 214 } cfg; 215 216 bus_space_tag_t sc_st; 217 bus_space_handle_t sc_sh; 218 bus_dma_tag_t sc_dmat; 219 220 /* Reply memory */ 221 bus_dmamap_t reply_dmap; 222 char *reply; 223 bus_addr_t reply_phys; 224 225 /* Request memory */ 226 bus_dmamap_t request_dmap; 227 char *request; 228 bus_addr_t request_phys; 229 230 /* SCSIPI and software management */ 231 request_t *request_pool; 232 SLIST_HEAD(req_queue, req_entry) request_free_list; 233 request_t *mngt_req; 234 235 struct scsipi_adapter sc_adapter; 236 struct scsipi_channel sc_channel; 237 device_t sc_scsibus_dv; /*So we can rescan in case of errors*/ 238 239 uint32_t sequence; /* sequence number */ 240 uint32_t timeouts; /* timeout count */ 241 uint32_t success; /* success after timeout */ 242 243 /* To restore configuration after hard reset. */ 244 void (*sc_set_config_regs)(struct mpt_softc *); 245 } mpt_softc_t; 246 247 #define MPT_SYNC_REQ(mpt, req, ops) \ 248 bus_dmamap_sync((mpt)->sc_dmat, (mpt)->request_dmap, \ 249 (req)->req_pbuf - (mpt)->request_phys, \ 250 MPT_REQUEST_AREA, (ops)) 251 252 #define mpt_read(mpt, reg) \ 253 bus_space_read_4((mpt)->sc_st, (mpt)->sc_sh, (reg)) 254 #define mpt_write(mpt, reg, val) \ 255 bus_space_write_4((mpt)->sc_st, (mpt)->sc_sh, (reg), (val)) 256 257 void mpt_scsipi_attach(mpt_softc_t *); 258 int mpt_dma_mem_alloc(mpt_softc_t *); 259 int mpt_intr(void *); 260 void mpt_prt(mpt_softc_t *, const char *, ...); 261 262 #define mpt_set_config_regs(mpt) \ 263 do { \ 264 if ((mpt)->sc_set_config_regs != NULL) \ 265 (*(mpt)->sc_set_config_regs)((mpt)); \ 266 } while (/*CONSTCOND*/0) 267 268 #endif /* _DEV_IC_MPT_NETBSD_H_ */ 269