aacvar.h revision 1.9 1 /* $NetBSD: aacvar.h,v 1.9 2007/06/05 04:04:14 briggs 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 const 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_container_types[];
96
97 struct aac_softc;
98
99 /*
100 * We allocate a small set of FIBs for the adapter to use to send us messages.
101 */
102 #define AAC_ADAPTER_FIBS 8
103
104 /*
105 * FIBs are allocated in page-size chunks and can grow up to the 512
106 * limit imposed by the hardware.
107 */
108 #define AAC_PREALLOCATE_FIBS 128
109
110 /*
111 * Firmware messages are passed in the printf buffer.
112 */
113 #define AAC_PRINTF_BUFSIZE 256
114
115 /*
116 * We wait this many seconds for the adapter to come ready if it is still
117 * booting.
118 */
119 #define AAC_BOOT_TIMEOUT (3 * 60)
120
121 /*
122 * Wait this long for a lost interrupt to get detected.
123 */
124 #define AAC_WATCH_TIMEOUT 10000 /* 10000 * 1ms = 10s */
125
126 /*
127 * Timeout for immediate commands.
128 */
129 #define AAC_IMMEDIATE_TIMEOUT 30
130
131 /*
132 * Delay 20ms after the qnotify in sync operations. Experimentally deduced.
133 */
134 #define AAC_SYNC_DELAY 20000
135
136 /*
137 * sc->sc_max_sgs is the number of scatter-gather elements we can fit
138 * in one block I/O request (64-bit or 32-bit, depending) FIB, or the
139 * maximum number that the firmware will accept. We subtract one to
140 * deal with requests that do not start on an even page boundary.
141 */
142 #define AAC_MAX_XFER(sc) (((sc)->sc_max_sgs - 1) * PAGE_SIZE)
143
144 /*
145 * Fixed sector size.
146 */
147 #define AAC_SECTOR_SIZE 512
148
149 /*
150 * Number of CCBs to reserve for control operations.
151 */
152 #define AAC_NCCBS_RESERVE 8
153
154 /*
155 * Quirk listings.
156 */
157 #define AAC_QUIRK_PERC2QC (1 << 0) /* Dell PERC 2QC */
158 #define AAC_QUIRK_SG_64BIT (1 << 4) /* Use 64-bit S/G addresses */
159 #define AAC_QUIRK_4GB_WINDOW (1 << 5) /* Device can access host mem
160 * in 2GB-4GB range */
161 #define AAC_QUIRK_NO4GB (1 << 6) /* Can't access host mem >2GB */
162 #define AAC_QUIRK_256FIBS (1 << 7) /* Can only handle 256 cmds */
163 #define AAC_QUIRK_BROKEN_MMAP (1 << 8) /* Broken HostPhysMemPages */
164 #define AAC_QUIRK_NEW_COMM (1 << 11) /* New comm. i/f supported */
165 #define AAC_QUIRK_RAW_IO (1 << 12) /* Raw I/O interface */
166 #define AAC_QUIRK_ARRAY_64BIT (1 << 13) /* 64-bit array size */
167
168
169 /*
170 * We gather a number of adapter-visible items into a single structure.
171 *
172 * The ordering of this structure may be important; we copy the Linux driver:
173 *
174 * Adapter FIBs
175 * Init struct
176 * Queue headers (Comm Area)
177 * Printf buffer
178 *
179 * In addition, we add:
180 * Sync Fib
181 */
182 struct aac_common {
183 /* fibs for the controller to send us messages */
184 struct aac_fib ac_fibs[AAC_ADAPTER_FIBS];
185
186 /* the init structure */
187 struct aac_adapter_init ac_init;
188
189 /* arena within which the queue structures are kept */
190 u_int8_t ac_qbuf[sizeof(struct aac_queue_table) + AAC_QUEUE_ALIGN];
191
192 /* buffer for text messages from the controller */
193 char ac_printf[AAC_PRINTF_BUFSIZE];
194
195 /* fib for synchronous commands */
196 struct aac_fib ac_sync_fib;
197 };
198
199 struct aac_ccb;
200
201 /*
202 * Interface operations
203 */
204 struct aac_interface {
205 int (*aif_get_fwstatus)(struct aac_softc *);
206 void (*aif_qnotify)(struct aac_softc *, int);
207 int (*aif_get_istatus)(struct aac_softc *);
208 void (*aif_set_istatus)(struct aac_softc *, int);
209 void (*aif_set_mailbox)(struct aac_softc *, u_int32_t,
210 u_int32_t, u_int32_t, u_int32_t, u_int32_t);
211 uint32_t (*aif_get_mailbox)(struct aac_softc *, int);
212 void (*aif_set_interrupts)(struct aac_softc *, int);
213 int (*aif_send_command)(struct aac_softc *, struct aac_ccb *);
214 int (*aif_get_outb_queue)(struct aac_softc *);
215 void (*aif_set_outb_queue)(struct aac_softc *, int);
216 };
217
218 #define AAC_GET_FWSTATUS(sc) ((sc)->sc_if.aif_get_fwstatus(sc))
219 #define AAC_QNOTIFY(sc, qbit) \
220 ((sc)->sc_if.aif_qnotify((sc), (qbit)))
221 #define AAC_GET_ISTATUS(sc) ((sc)->sc_if.aif_get_istatus(sc))
222 #define AAC_CLEAR_ISTATUS(sc, mask) \
223 ((sc)->sc_if.aif_set_istatus((sc), (mask)))
224 #define AAC_SET_MAILBOX(sc, command, arg0, arg1, arg2, arg3) \
225 do { \
226 ((sc)->sc_if.aif_set_mailbox((sc), (command), (arg0), \
227 (arg1), (arg2), (arg3))); \
228 } while(0)
229 #define AAC_GET_MAILBOX(sc, mb) ((sc)->sc_if.aif_get_mailbox(sc, mb))
230 #define AAC_GET_MAILBOXSTATUS(sc) (AAC_GET_MAILBOX(sc, 0))
231 #define AAC_MASK_INTERRUPTS(sc) \
232 ((sc)->sc_if.aif_set_interrupts((sc), 0))
233 #define AAC_UNMASK_INTERRUPTS(sc) \
234 ((sc)->sc_if.aif_set_interrupts((sc), 1))
235 #define AAC_SEND_COMMAND(sc, cm) \
236 ((sc)->sc_if.aif_send_command((sc), cm))
237 #define AAC_GET_OUTB_QUEUE(sc) \
238 ((sc)->sc_if.aif_get_outb_queue((sc)))
239 #define AAC_SET_OUTB_QUEUE(sc, idx) \
240 ((sc)->sc_if.aif_set_outb_queue((sc), (idx)))
241
242 #define AAC_SETREG4(sc, reg, val) \
243 bus_space_write_4((sc)->sc_memt, (sc)->sc_memh, (reg), (val))
244 #define AAC_GETREG4(sc, reg) \
245 bus_space_read_4((sc)->sc_memt, (sc)->sc_memh, (reg))
246 #define AAC_SETREG2(sc, reg, val) \
247 bus_space_write_2((sc)->sc_memt, (sc)->sc_memh, (reg), (val))
248 #define AAC_GETREG2(sc, reg) \
249 bus_space_read_2((sc)->sc_memt, (sc)->sc_memh, (reg))
250 #define AAC_SETREG1(sc, reg, val) \
251 bus_space_write_1((sc)->sc_memt, (sc)->sc_memh, (reg), (val))
252 #define AAC_GETREG1(sc, reg) \
253 bus_space_read_1((sc)->sc_memt, (sc)->sc_memh, (reg))
254
255 struct aac_fibmap {
256 TAILQ_ENTRY(aac_fibmap) fm_link;
257 struct aac_fib *fm_fibs;
258 bus_dma_segment_t fm_fibseg;
259 bus_dmamap_t fm_fibmap;
260 struct aac_ccb *fm_ccbs;
261 };
262
263 /*
264 * A command control block, one for each corresponding command index
265 * of the controller.
266 */
267 struct aac_ccb {
268 SIMPLEQ_ENTRY(aac_ccb) ac_chain;
269
270 struct aac_fib *ac_fib;
271 struct aac_fibmap *ac_fibmap;
272 bus_addr_t ac_fibphys;
273 bus_dmamap_t ac_dmamap_xfer;
274
275 void *ac_data;
276 size_t ac_datalen;
277 u_int ac_flags;
278
279 void (*ac_intr)(struct aac_ccb *);
280 struct device *ac_device;
281 void *ac_context;
282 };
283 #define AAC_CCB_MAPPED 0x01
284 #define AAC_CCB_COMPLETED 0x02
285 #define AAC_CCB_DATA_IN 0x04
286 #define AAC_CCB_DATA_OUT 0x08
287
288 struct aac_drive {
289 u_int hd_present;
290 u_int hd_devtype;
291 u_int hd_size;
292 };
293
294 /*
295 * Per-controller structure.
296 */
297 struct aac_softc {
298 struct device sc_dv;
299 void *sc_ih;
300 bus_space_tag_t sc_memt;
301 bus_space_handle_t sc_memh;
302 bus_dma_tag_t sc_dmat;
303 bus_size_t sc_regsize;
304
305 struct FsaRevision sc_revision;
306 int sc_hwif;
307 int sc_quirks;
308 struct aac_interface sc_if;
309
310 u_int32_t sc_max_fibs;
311 u_int32_t sc_max_fibs_alloc;
312 u_int32_t sc_max_sectors;
313 u_int32_t sc_max_fib_size;
314 u_int32_t sc_max_sgs;
315
316 u_int32_t sc_total_fibs;
317 TAILQ_HEAD(,aac_fibmap) sc_fibmap_tqh;
318
319 struct aac_common *sc_common;
320 bus_dma_segment_t sc_common_seg;
321 bus_dmamap_t sc_common_dmamap;
322 struct aac_fib *sc_aif_fib;
323
324 struct aac_ccb *sc_ccbs;
325 SIMPLEQ_HEAD(, aac_ccb) sc_ccb_free;
326 SIMPLEQ_HEAD(, aac_ccb) sc_ccb_queue;
327 SIMPLEQ_HEAD(, aac_ccb) sc_ccb_complete;
328
329 struct aac_queue_table *sc_queues;
330 struct aac_queue_entry *sc_qentries[AAC_QUEUE_COUNT];
331 struct aac_drive sc_hdr[AAC_MAX_CONTAINERS];
332 int sc_nunits;
333 int sc_flags;
334 uint32_t sc_supported_options;
335
336 /* Set by parent */
337 int (*sc_intr_set)(struct aac_softc *,
338 int (*)(void *), void *);
339 };
340 #define AAC_HWIF_I960RX 0
341 #define AAC_HWIF_STRONGARM 1
342 #define AAC_HWIF_FALCON 2
343 #define AAC_HWIF_RKT 3
344 #define AAC_HWIF_UNKNOWN -1
345
346 #define AAC_ONLINE 2
347
348 struct aac_attach_args {
349 int aaca_unit;
350 };
351
352 int aac_attach(struct aac_softc *);
353 void aac_ccb_enqueue(struct aac_softc *, struct aac_ccb *);
354 void aac_ccb_free(struct aac_softc *, struct aac_ccb *);
355 struct aac_ccb *aac_ccb_alloc(struct aac_softc *, int);
356 int aac_ccb_map(struct aac_softc *, struct aac_ccb *);
357 int aac_ccb_poll(struct aac_softc *, struct aac_ccb *, int);
358 int aac_ccb_submit(struct aac_softc *, struct aac_ccb *);
359 void aac_ccb_unmap(struct aac_softc *, struct aac_ccb *);
360 const char *aac_describe_code(const struct aac_code_lookup *, u_int32_t);
361 int aac_intr(void *);
362
363 #endif /* !_PCI_AACVAR_H_ */
364