1 /* $NetBSD: aacvar.h,v 1.1 2002/04/26 02:05:11 ad Exp $ */ 2 3 /*- 4 * Copyright (c) 2002 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Andrew Doran. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /*- 40 * Copyright (c) 2000 Michael Smith 41 * Copyright (c) 2000 BSDi 42 * Copyright (c) 2000 Niklas Hallqvist 43 * All rights reserved. 44 * 45 * Redistribution and use in source and binary forms, with or without 46 * modification, are permitted provided that the following conditions 47 * are met: 48 * 1. Redistributions of source code must retain the above copyright 49 * notice, this list of conditions and the following disclaimer. 50 * 2. Redistributions in binary form must reproduce the above copyright 51 * notice, this list of conditions and the following disclaimer in the 52 * documentation and/or other materials provided with the distribution. 53 * 54 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 55 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 56 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 57 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 58 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 59 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 60 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 61 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 62 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 63 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 64 * SUCH DAMAGE. 65 * 66 * from FreeBSD: aacvar.h,v 1.1 2000/09/13 03:20:34 msmith Exp 67 * via OpenBSD: aacvar.h,v 1.2 2002/03/14 01:26:53 millert Exp 68 */ 69 70 #ifndef _PCI_AACVAR_H_ 71 #define _PCI_AACVAR_H_ 72 73 /* Debugging */ 74 #ifdef AAC_DEBUG 75 #define AAC_DPRINTF(mask, args) if ((aac_debug & (mask)) != 0) printf args 76 #define AAC_D_INTR 0x01 77 #define AAC_D_MISC 0x02 78 #define AAC_D_CMD 0x04 79 #define AAC_D_QUEUE 0x08 80 #define AAC_D_IO 0x10 81 extern int aac_debug; 82 83 #define AAC_PRINT_FIB(sc, fib) aac_print_fib((sc), (fib), __FUNCTION__) 84 #else 85 #define AAC_DPRINTF(mask, args) 86 #define AAC_PRINT_FIB(sc, fib) 87 #endif 88 89 struct aac_code_lookup { 90 char *string; 91 u_int32_t code; 92 }; 93 94 extern const struct aac_code_lookup aac_command_status_table[]; 95 extern const struct aac_code_lookup aac_cpu_variant[]; 96 extern const struct aac_code_lookup aac_battery_platform[]; 97 extern const struct aac_code_lookup aac_container_types[]; 98 99 struct aac_softc; 100 101 /* 102 * We allocate a small set of FIBs for the adapter to use to send us messages. 103 */ 104 #define AAC_ADAPTER_FIBS 8 105 106 /* 107 * Firmware messages are passed in the printf buffer. 108 */ 109 #define AAC_PRINTF_BUFSIZE 256 110 111 /* 112 * We wait this many seconds for the adapter to come ready if it is still 113 * booting. 114 */ 115 #define AAC_BOOT_TIMEOUT (3 * 60) 116 117 /* 118 * Wait this long for a lost interrupt to get detected. 119 */ 120 #define AAC_WATCH_TIMEOUT 10000 /* 10000 * 1ms = 10s */ 121 122 /* 123 * Timeout for immediate commands. 124 */ 125 #define AAC_IMMEDIATE_TIMEOUT 30 126 127 /* 128 * Delay 20ms after the qnotify in sync operations. Experimentally deduced. 129 */ 130 #define AAC_SYNC_DELAY 20000 131 132 /* 133 * The firmware interface allows for a 16-bit s/g list length. We limit 134 * ourselves to a reasonable maximum and ensure alignment. 135 */ 136 #define AAC_MAX_SGENTRIES 17 /* max S/G entries, limit 65535 */ 137 #define AAC_MAX_XFER ((AAC_MAX_SGENTRIES - 1) * PAGE_SIZE) 138 139 /* 140 * Fixed sector size. 141 */ 142 #define AAC_SECTOR_SIZE 512 143 144 /* 145 * Number of CCBs to allocate, and to reserve for control operations. 146 */ 147 #define AAC_NCCBS 256 148 #define AAC_NCCBS_RESERVE 4 149 150 /* 151 * Quirk listings. 152 */ 153 #define AAC_QUIRK_PERC2QC 0x0001 154 155 /* 156 * We gather a number of adapter-visible items into a single structure. 157 * 158 * The ordering of this strucure may be important; we copy the Linux driver: 159 * 160 * Adapter FIBs 161 * Init struct 162 * Queue headers (Comm Area) 163 * Printf buffer 164 * 165 * In addition, we add: 166 * Sync Fib 167 */ 168 struct aac_common { 169 /* fibs for the controller to send us messages */ 170 struct aac_fib ac_fibs[AAC_ADAPTER_FIBS]; 171 172 /* the init structure */ 173 struct aac_adapter_init ac_init; 174 175 /* arena within which the queue structures are kept */ 176 u_int8_t ac_qbuf[sizeof(struct aac_queue_table) + AAC_QUEUE_ALIGN]; 177 178 /* buffer for text messages from the controller */ 179 char ac_printf[AAC_PRINTF_BUFSIZE]; 180 181 /* fib for synchronous commands */ 182 struct aac_fib ac_sync_fib; 183 }; 184 185 /* 186 * Interface operations 187 */ 188 struct aac_interface { 189 int (*aif_get_fwstatus)(struct aac_softc *); 190 void (*aif_qnotify)(struct aac_softc *, int); 191 int (*aif_get_istatus)(struct aac_softc *); 192 void (*aif_set_istatus)(struct aac_softc *, int); 193 void (*aif_set_mailbox)(struct aac_softc *, u_int32_t, 194 u_int32_t, u_int32_t, u_int32_t, u_int32_t); 195 int (*aif_get_mailboxstatus)(struct aac_softc *); 196 void (*aif_set_interrupts)(struct aac_softc *, int); 197 }; 198 199 #define AAC_GET_FWSTATUS(sc) ((sc)->sc_if.aif_get_fwstatus(sc)) 200 #define AAC_QNOTIFY(sc, qbit) \ 201 ((sc)->sc_if.aif_qnotify((sc), (qbit))) 202 #define AAC_GET_ISTATUS(sc) ((sc)->sc_if.aif_get_istatus(sc)) 203 #define AAC_CLEAR_ISTATUS(sc, mask) \ 204 ((sc)->sc_if.aif_set_istatus((sc), (mask))) 205 #define AAC_SET_MAILBOX(sc, command, arg0, arg1, arg2, arg3) \ 206 do { \ 207 ((sc)->sc_if.aif_set_mailbox((sc), (command), (arg0), \ 208 (arg1), (arg2), (arg3))); \ 209 } while(0) 210 #define AAC_GET_MAILBOXSTATUS(sc) \ 211 ((sc)->sc_if.aif_get_mailboxstatus(sc)) 212 #define AAC_MASK_INTERRUPTS(sc) \ 213 ((sc)->sc_if.aif_set_interrupts((sc), 0)) 214 #define AAC_UNMASK_INTERRUPTS(sc) \ 215 ((sc)->sc_if.aif_set_interrupts((sc), 1)) 216 217 #define AAC_SETREG4(sc, reg, val) \ 218 bus_space_write_4((sc)->sc_memt, (sc)->sc_memh, (reg), (val)) 219 #define AAC_GETREG4(sc, reg) \ 220 bus_space_read_4((sc)->sc_memt, (sc)->sc_memh, (reg)) 221 #define AAC_SETREG2(sc, reg, val) \ 222 bus_space_write_2((sc)->sc_memt, (sc)->sc_memh, (reg), (val)) 223 #define AAC_GETREG2(sc, reg) \ 224 bus_space_read_2((sc)->sc_memt, (sc)->sc_memh, (reg)) 225 #define AAC_SETREG1(sc, reg, val) \ 226 bus_space_write_1((sc)->sc_memt, (sc)->sc_memh, (reg), (val)) 227 #define AAC_GETREG1(sc, reg) \ 228 bus_space_read_1((sc)->sc_memt, (sc)->sc_memh, (reg)) 229 230 231 /* 232 * A command contol block, one for each corresponding command index of the 233 * controller. 234 */ 235 struct aac_ccb { 236 SIMPLEQ_ENTRY(aac_ccb) ac_chain; 237 238 struct aac_fib *ac_fib; 239 bus_addr_t ac_fibphys; 240 bus_dmamap_t ac_dmamap_xfer; 241 242 void *ac_data; 243 size_t ac_datalen; 244 u_int ac_flags; 245 246 void (*ac_intr)(struct aac_ccb *); 247 struct device *ac_device; 248 void *ac_context; 249 }; 250 #define AAC_CCB_MAPPED 0x01 251 #define AAC_CCB_COMPLETED 0x02 252 #define AAC_CCB_DATA_IN 0x04 253 #define AAC_CCB_DATA_OUT 0x08 254 255 struct aac_drive { 256 u_int hd_present; 257 u_int hd_devtype; 258 u_int hd_size; 259 }; 260 261 /* 262 * Per-controller structure. 263 */ 264 struct aac_softc { 265 struct device sc_dv; 266 void *sc_ih; 267 bus_space_tag_t sc_memt; 268 bus_space_handle_t sc_memh; 269 bus_dma_tag_t sc_dmat; 270 271 struct FsaRevision sc_revision; 272 int sc_hwif; 273 int sc_quirks; 274 struct aac_interface sc_if; 275 276 struct aac_common *sc_common; 277 bus_dma_segment_t sc_common_seg; 278 bus_dmamap_t sc_common_dmamap; 279 struct aac_fib *sc_fibs; 280 bus_dma_segment_t sc_fibs_seg; 281 bus_dmamap_t sc_fibs_dmamap; 282 283 struct aac_ccb *sc_ccbs; 284 SIMPLEQ_HEAD(, aac_ccb) sc_ccb_free; 285 SIMPLEQ_HEAD(, aac_ccb) sc_ccb_queue; 286 SIMPLEQ_HEAD(, aac_ccb) sc_ccb_complete; 287 288 struct aac_queue_table *sc_queues; 289 struct aac_queue_entry *sc_qentries[AAC_QUEUE_COUNT]; 290 struct aac_drive sc_hdr[AAC_MAX_CONTAINERS]; 291 int sc_nunits; 292 int sc_flags; 293 }; 294 #define AAC_HWIF_I960RX 0 295 #define AAC_HWIF_STRONGARM 1 296 297 #define AAC_ONLINE 2 298 299 struct aac_attach_args { 300 int aaca_unit; 301 }; 302 303 #define aaccf_unit cf_loc[AACCF_UNIT] 304 305 int aac_attach(struct aac_softc *); 306 void aac_ccb_enqueue(struct aac_softc *, struct aac_ccb *); 307 void aac_ccb_free(struct aac_softc *, struct aac_ccb *); 308 struct aac_ccb *aac_ccb_alloc(struct aac_softc *, int); 309 int aac_ccb_map(struct aac_softc *, struct aac_ccb *); 310 int aac_ccb_poll(struct aac_softc *, struct aac_ccb *, int); 311 int aac_ccb_submit(struct aac_softc *, struct aac_ccb *); 312 void aac_ccb_unmap(struct aac_softc *, struct aac_ccb *); 313 const char *aac_describe_code(const struct aac_code_lookup *, u_int32_t); 314 int aac_intr(void *); 315 316 #endif /* !_PCI_AACVAR_H_ */ 317