1 /* $OpenBSD: aic79xx_openbsd.h,v 1.17 2007/10/01 12:10:55 martin Exp $ */ 2 3 /* 4 * Copyright (c) 2004 Milos Urbanek, Kenneth R. Westerback & Marco Peereboom 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR 20 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 */ 29 30 /* 31 * FreeBSD platform specific driver option settings, data structures, 32 * function declarations and includes. 33 * 34 * Copyright (c) 1994-2001 Justin T. Gibbs. 35 * Copyright (c) 2001-2002 Adaptec Inc. 36 * All rights reserved. 37 * 38 * Redistribution and use in source and binary forms, with or without 39 * modification, are permitted provided that the following conditions 40 * are met: 41 * 1. Redistributions of source code must retain the above copyright 42 * notice, this list of conditions, and the following disclaimer, 43 * without modification. 44 * 2. The name of the author may not be used to endorse or promote products 45 * derived from this software without specific prior written permission. 46 * 47 * Alternatively, this software may be distributed under the terms of the 48 * GNU Public License ("GPL"). 49 * 50 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 51 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 52 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 53 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 54 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 55 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 56 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 57 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 58 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 59 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 60 * SUCH DAMAGE. 61 * 62 * $FreeBSD: src/sys/dev/aic7xxx/aic79xx_osm.h,v 1.13 2003/12/17 00:02:09 gibbs Exp $ 63 * 64 */ 65 66 #ifndef _AIC79XX_OPENBSD_H_ 67 #define _AIC79XX_OPENBSD_H_ 68 69 #include "pci.h" /* for config options */ 70 71 #include <sys/param.h> 72 #include <sys/kernel.h> 73 #include <sys/systm.h> 74 #include <sys/device.h> 75 #include <sys/malloc.h> 76 #include <sys/buf.h> 77 #include <sys/proc.h> 78 #include <sys/queue.h> 79 80 #define AIC_PCI_CONFIG 1 81 #include <dev/pci/pcireg.h> 82 #include <dev/pci/pcivar.h> 83 84 #include <machine/bus.h> 85 #include <machine/intr.h> 86 87 #include <scsi/scsi_all.h> 88 #include <scsi/scsi_message.h> 89 #include <scsi/scsi_debug.h> 90 #include <scsi/scsiconf.h> 91 92 #include <uvm/uvm_extern.h> 93 94 #ifdef DEBUG 95 #define bootverbose 1 96 #else 97 #define bootverbose 0 98 #endif 99 /****************************** Platform Macros *******************************/ 100 #define SCSI_IS_SCSIBUS_B(ahd, sc_link) \ 101 (0) 102 #define SCSI_CHANNEL(ahd, sc_link) \ 103 ('A') 104 #define SCSI_SCSI_ID(ahd, sc_link) \ 105 (ahd->our_id) 106 #define BUILD_SCSIID(ahd, sc_link, target_id, our_id) \ 107 ((((target_id) << TID_SHIFT) & TID) | (our_id)) 108 109 #ifndef offsetof 110 #define offsetof(type, member) ((size_t)(&((type *)0)->member)) 111 #endif 112 113 /************************* Forward Declarations *******************************/ 114 typedef struct pci_attach_args * ahd_dev_softc_t; 115 116 /***************************** Bus Space/DMA **********************************/ 117 118 /* XXX Need to update Bus DMA for partial map syncs */ 119 #define ahd_dmamap_sync(ahc, dma_tag, dmamap, offset, len, op) \ 120 bus_dmamap_sync(dma_tag, dmamap, offset, len, op) 121 122 /************************ Tunable Driver Parameters **************************/ 123 /* 124 * The number of dma segments supported. The sequencer can handle any number 125 * of physically contiguous S/G entries. To reduce the driver's memory 126 * consumption, we limit the number supported to be sufficient to handle 127 * the largest mapping supported by the kernel, MAXPHYS. Assuming the 128 * transfer is as fragmented as possible and unaligned, this turns out to 129 * be the number of paged sized transfers in MAXPHYS plus an extra element 130 * to handle any unaligned residual. The sequencer fetches SG elements 131 * in cacheline sized chucks, so make the number per-transaction an even 132 * multiple of 16 which should align us on even the largest of cacheline 133 * boundaries. 134 */ 135 #define AHD_NSEG (roundup(atop(MAXPHYS) + 1, 16)) 136 137 /* This driver supports target mode */ 138 // #define AHD_TARGET_MODE 1 139 140 /************************** Softc/SCB Platform Data ***************************/ 141 struct ahd_platform_data { 142 }; 143 144 struct scb_platform_data { 145 }; 146 147 /************************** Timer DataStructures ******************************/ 148 typedef struct timeout aic_timer_t; 149 150 /***************************** Core Includes **********************************/ 151 152 #if AHD_REG_PRETTY_PRINT 153 #define AIC_DEBUG_REGISTERS 1 154 #else 155 #define AIC_DEBUG_REGISTERS 0 156 #endif 157 #include <dev/ic/aic79xx.h> 158 159 /***************************** Timer Facilities *******************************/ 160 void ahd_timeout(void*); 161 void aic_timer_reset(aic_timer_t *, u_int, ahd_callback_t *, void *); 162 void aic_scb_timer_reset(struct scb *, u_int); 163 164 #define aic_timer_stop timeout_del 165 #define aic_get_timeout(scb) ((scb)->xs->timeout) 166 /*************************** Device Access ************************************/ 167 #define ahd_inb(ahd, port) \ 168 bus_space_read_1((ahd)->tags[(port) >> 8], \ 169 (ahd)->bshs[(port) >> 8], (port) & 0xFF) 170 171 #define ahd_outb(ahd, port, value) \ 172 bus_space_write_1((ahd)->tags[(port) >> 8], \ 173 (ahd)->bshs[(port) >> 8], (port) & 0xFF, value) 174 175 #define ahd_inw_atomic(ahd, port) \ 176 aic_le16toh(bus_space_read_2((ahd)->tags[(port) >> 8], \ 177 (ahd)->bshs[(port) >> 8], (port) & 0xFF)) 178 179 #define ahd_outw_atomic(ahd, port, value) \ 180 bus_space_write_2((ahd)->tags[(port) >> 8], \ 181 (ahd)->bshs[(port) >> 8], \ 182 (port & 0xFF), aic_htole16(value)) 183 184 #define ahd_outsb(ahd, port, valp, count) \ 185 bus_space_write_multi_1((ahd)->tags[(port) >> 8], \ 186 (ahd)->bshs[(port) >> 8], \ 187 (port & 0xFF), valp, count) 188 189 #define ahd_insb(ahd, port, valp, count) \ 190 bus_space_read_multi_1((ahd)->tags[(port) >> 8], \ 191 (ahd)->bshs[(port) >> 8], \ 192 (port & 0xFF), valp, count) 193 194 void ahd_flush_device_writes(struct ahd_softc *); 195 196 /**************************** Locking Primitives ******************************/ 197 /* Lock protecting internal data structures */ 198 #define ahd_lockinit(ahd) 199 #define ahd_lock(ahd, flags) *(flags) = splbio() 200 #define ahd_unlock(ahd, flags) splx(*(flags)) 201 202 /* Lock held during command completion to the upper layer */ 203 #define ahd_done_lockinit(ahd) 204 #define ahd_done_lock(ahd, flags) 205 #define ahd_done_unlock(ahd, flags) 206 207 /* Lock held during ahd_list manipulation and ahd softc frees */ 208 #define ahd_list_lockinit(x) 209 #define ahd_list_lock(flags) *(flags) = splbio() 210 #define ahd_list_unlock(flags) splx(*(flags)) 211 212 /****************************** OS Primitives *********************************/ 213 #define scsi_4btoul(b) (_4btol(b)) 214 215 /************************** Transaction Operations ****************************/ 216 #define aic_set_transaction_status(scb, status) (scb)->xs->error = (status) 217 #define aic_set_scsi_status(scb, status) (scb)->xs->xs_status = (status) 218 #define aic_set_transaction_tag(scb, enabled, type) 219 #define aic_set_residual(scb, residual) (scb)->xs->resid = (residual) 220 #define aic_set_sense_residual(scb, residual) (scb)->xs->resid = (residual) 221 222 #define aic_get_transaction_status(scb) \ 223 (((scb)->xs->flags & ITSDONE) ? CAM_REQ_CMP : (scb)->xs->error) 224 #define aic_get_scsi_status(scb) ((scb)->xs->status) 225 #define aic_get_transfer_length(scb) ((scb)->xs->datalen) 226 #define aic_get_transfer_dir(scb) \ 227 ((scb)->xs->flags & (SCSI_DATA_IN | SCSI_DATA_OUT)) 228 #define aic_get_residual(scb) ((scb)->xs->resid) 229 #define aic_get_sense_bufsize(ahd, scb) (sizeof(struct scsi_sense_data)) 230 231 #define aic_perform_autosense(scb) (1) 232 233 #define aic_freeze_simq(ahd) 234 #define aic_release_simq(ahd) 235 #define aic_freeze_scb(scb) 236 #define ahd_platform_freeze_devq(ahd, scb) 237 #define ahd_platform_abort_scbs(ahd, target, channel, lun, tag, role, status) 238 239 void aic_platform_scb_free(struct ahd_softc *, struct scb *); 240 241 /********************************** PCI ***************************************/ 242 /*#if AHD_PCI_CONFIG > 0*/ 243 #define aic_get_pci_function(pci) ((pci)->pa_function) 244 #define aic_get_pci_slot(pci) ((pci)->pa_device) 245 #define aic_get_pci_bus(pci) ((pci)->pa_bus) 246 247 int ahd_pci_map_registers(struct ahd_softc *); 248 int ahd_pci_map_int(struct ahd_softc *); 249 /*#endif*/ 250 251 typedef enum 252 { 253 AHD_POWER_STATE_D0, 254 AHD_POWER_STATE_D1, 255 AHD_POWER_STATE_D2, 256 AHD_POWER_STATE_D3 257 } ahd_power_state; 258 259 void ahd_power_state_change(struct ahd_softc *, ahd_power_state); 260 261 /********************************* Debug **************************************/ 262 void ahd_print_path(struct ahd_softc *, struct scb *); 263 void ahd_platform_dump_card_state(struct ahd_softc *ahd); 264 265 /**************************** Transfer Settings *******************************/ 266 void ahd_notify_xfer_settings_change(struct ahd_softc *, 267 struct ahd_devinfo *); 268 void ahd_platform_set_tags(struct ahd_softc *, struct ahd_devinfo *, 269 ahd_queue_alg); 270 271 /************************* Initialization/Teardown ****************************/ 272 int ahd_platform_alloc(struct ahd_softc *, void *); 273 void ahd_platform_free(struct ahd_softc *); 274 int ahd_attach(struct ahd_softc *); 275 int ahd_softc_comp(struct ahd_softc *lahd, struct ahd_softc *rahd); 276 int ahd_detach(struct device *, int); 277 278 #define ahd_platform_init(ahd) 279 280 /****************************** Interrupts ************************************/ 281 int ahd_platform_intr(void *); 282 void ahd_platform_flushwork(struct ahd_softc *ahd); 283 /************************ Misc Function Declarations **************************/ 284 void ahd_done(struct ahd_softc *, struct scb *); 285 void ahd_send_async(struct ahd_softc *, char /*channel*/, 286 u_int /*target*/, u_int /*lun*/, ac_code, void *arg); 287 #endif /* _AIC79XX_OPENBSD_H_ */ 288