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[FreeBSD/FreeBSD.git] / sys / dev / aac / aac_pci.c
1 /*-
2  * Copyright (c) 2000 Michael Smith
3  * Copyright (c) 2001 Scott Long
4  * Copyright (c) 2000 BSDi
5  * Copyright (c) 2001 Adaptec, Inc.
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  */
29
30 #include <sys/cdefs.h>
31 __FBSDID("$FreeBSD$");
32
33 /*
34  * PCI bus interface and resource allocation.
35  */
36
37 #include "opt_aac.h"
38
39 #include <sys/param.h>
40 #include <sys/systm.h>
41 #include <sys/kernel.h>
42 #include <sys/module.h>
43
44 #include <sys/bio.h>
45 #include <sys/bus.h>
46 #include <sys/conf.h>
47 #include <sys/disk.h>
48
49 #include <machine/bus.h>
50 #include <machine/resource.h>
51 #include <sys/rman.h>
52
53 #include <dev/pci/pcireg.h>
54 #include <dev/pci/pcivar.h>
55
56 #include <dev/aac/aacreg.h>
57 #include <sys/aac_ioctl.h>
58 #include <dev/aac/aacvar.h>
59
60 static int      aac_pci_probe(device_t dev);
61 static int      aac_pci_attach(device_t dev);
62
63 static device_method_t aac_methods[] = {
64         /* Device interface */
65         DEVMETHOD(device_probe,         aac_pci_probe),
66         DEVMETHOD(device_attach,        aac_pci_attach),
67         DEVMETHOD(device_detach,        aac_detach),
68         DEVMETHOD(device_suspend,       aac_suspend),
69         DEVMETHOD(device_resume,        aac_resume),
70
71         DEVMETHOD(bus_print_child,      bus_generic_print_child),
72         DEVMETHOD(bus_driver_added,     bus_generic_driver_added),
73         { 0, 0 }
74 };
75
76 static driver_t aac_pci_driver = {
77         "aac",
78         aac_methods,
79         sizeof(struct aac_softc)
80 };
81
82 static devclass_t       aac_devclass;
83
84 DRIVER_MODULE(aac, pci, aac_pci_driver, aac_devclass, 0, 0);
85 MODULE_DEPEND(aac, pci, 1, 1, 1);
86
87
88 struct aac_ident
89 {
90         u_int16_t               vendor;
91         u_int16_t               device;
92         u_int16_t               subvendor;
93         u_int16_t               subdevice;
94         int                     hwif;
95         int                     quirks;
96         char                    *desc;
97 } aac_identifiers[] = {
98         {0x1028, 0x0001, 0x1028, 0x0001, AAC_HWIF_I960RX, 0,
99         "Dell PERC 2/Si"},
100         {0x1028, 0x0002, 0x1028, 0x0002, AAC_HWIF_I960RX, 0,
101         "Dell PERC 3/Di"},
102         {0x1028, 0x0003, 0x1028, 0x0003, AAC_HWIF_I960RX, 0,
103         "Dell PERC 3/Si"},
104         {0x1028, 0x0004, 0x1028, 0x00d0, AAC_HWIF_I960RX, 0,
105         "Dell PERC 3/Si"},
106         {0x1028, 0x0002, 0x1028, 0x00d1, AAC_HWIF_I960RX, 0,
107         "Dell PERC 3/Di"},
108         {0x1028, 0x0002, 0x1028, 0x00d9, AAC_HWIF_I960RX, 0,
109         "Dell PERC 3/Di"},
110         {0x1028, 0x000a, 0x1028, 0x0106, AAC_HWIF_I960RX, 0,
111         "Dell PERC 3/Di"},
112         {0x1028, 0x000a, 0x1028, 0x011b, AAC_HWIF_I960RX, 0,
113         "Dell PERC 3/Di"},
114         {0x1028, 0x000a, 0x1028, 0x0121, AAC_HWIF_I960RX, 0,
115         "Dell PERC 3/Di"},
116         {0x1011, 0x0046, 0x9005, 0x0364, AAC_HWIF_STRONGARM, 0,
117         "Adaptec AAC-364"},
118         {0x1011, 0x0046, 0x9005, 0x0365, AAC_HWIF_STRONGARM,
119          AAC_FLAGS_BROKEN_MEMMAP, "Adaptec SCSI RAID 5400S"},
120         {0x1011, 0x0046, 0x9005, 0x1364, AAC_HWIF_STRONGARM, AAC_FLAGS_PERC2QC,
121          "Dell PERC 2/QC"},
122         {0x1011, 0x0046, 0x103c, 0x10c2, AAC_HWIF_STRONGARM, 0,
123          "HP NetRaid-4M"},
124         {0x9005, 0x0285, 0x9005, 0x0285, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB |
125          AAC_FLAGS_256FIBS, "Adaptec SCSI RAID 2200S"},
126         {0x9005, 0x0285, 0x1028, 0x0287, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB |
127          AAC_FLAGS_256FIBS, "Dell PERC 320/DC"},
128         {0x9005, 0x0285, 0x9005, 0x0286, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB |
129          AAC_FLAGS_256FIBS, "Adaptec SCSI RAID 2120S"},
130         {0x9005, 0x0285, 0x9005, 0x0290, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB,
131          "Adaptec SATA RAID 2410SA"},
132         {0x9005, 0x0285, 0x1028, 0x0291, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB,
133          "Dell CERC SATA RAID 2"},
134         {0x9005, 0x0285, 0x9005, 0x0292, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB,
135          "Adaptec SATA RAID 2810SA"},
136         {0x9005, 0x0285, 0x9005, 0x0293, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB,
137          "Adaptec SATA RAID 21610SA"},
138         {0x9005, 0x0285, 0x103c, 0x3227, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB,
139          "HP ML110 G2 (Adaptec 2610SA)"},
140         {0x9005, 0x0286, 0x9005, 0x028c, AAC_HWIF_RKT, 0,
141          "Adaptec SCSI RAID 2230S"},
142         {0x9005, 0x0286, 0x9005, 0x028d, AAC_HWIF_RKT, 0,
143          "Adaptec SCSI RAID 2130S"},
144
145         {0x9005, 0x0285, 0x9005, 0x0287, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB |
146          AAC_FLAGS_256FIBS, "Adaptec SCSI RAID 2200S"},
147         {0x9005, 0x0285, 0x17aa, 0x0286, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB |
148          AAC_FLAGS_256FIBS, "Legend S220"},
149         {0x9005, 0x0285, 0x17aa, 0x0287, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB |
150          AAC_FLAGS_256FIBS, "Legend S230"},
151         {0x9005, 0x0285, 0x9005, 0x0288, AAC_HWIF_I960RX, 0,
152          "Adaptec SCSI RAID 3230S"},
153         {0x9005, 0x0285, 0x9005, 0x0289, AAC_HWIF_I960RX, 0,
154          "Adaptec SCSI RAID 3240S"},
155         {0x9005, 0x0285, 0x9005, 0x028a, AAC_HWIF_I960RX, 0,
156          "Adaptec SCSI RAID 2020ZCR"},
157         {0x9005, 0x0285, 0x9005, 0x028b, AAC_HWIF_I960RX, 0,
158          "Adaptec SCSI RAID 2025ZCR"},
159         {0x9005, 0x0286, 0x9005, 0x029b, AAC_HWIF_RKT, 0,
160          "Adaptec SATA RAID 2820SA"},
161         {0x9005, 0x0286, 0x9005, 0x029c, AAC_HWIF_RKT, 0,
162          "Adaptec SATA RAID 2620SA"},
163         {0x9005, 0x0286, 0x9005, 0x029d, AAC_HWIF_RKT, 0,
164          "Adaptec SATA RAID 2420SA"},
165         {0x9005, 0x0286, 0x9005, 0x029e, AAC_HWIF_RKT, 0,
166          "ICP ICP9024RO SCSI RAID"},
167         {0x9005, 0x0286, 0x9005, 0x029f, AAC_HWIF_RKT, 0,
168          "ICP ICP9014RO SCSI RAID"},
169         {0x9005, 0x0285, 0x9005, 0x0294, AAC_HWIF_I960RX, 0,
170          "Adaptec SATA RAID 2026ZCR"},
171         {0x9005, 0x0285, 0x103c, 0x3227, AAC_HWIF_I960RX, 0,
172          "Adaptec SATA RAID 2610SA"},
173         {0x9005, 0x0285, 0x9005, 0x0296, AAC_HWIF_I960RX, 0,
174          "Adaptec SCSI RAID 2240S"},
175         {0x9005, 0x0285, 0x9005, 0x0297, AAC_HWIF_I960RX, 0,
176          "Adaptec SAS RAID 4005SAS"},
177         {0x9005, 0x0285, 0x1014, 0x02f2, AAC_HWIF_I960RX, 0,
178          "IBM ServeRAID 8i"},
179         {0x9005, 0x0285, 0x9005, 0x0298, AAC_HWIF_I960RX, 0,
180          "Adaptec SAS RAID 4000SAS"},
181         {0x9005, 0x0285, 0x9005, 0x0299, AAC_HWIF_I960RX, 0,
182          "Adaptec SAS RAID 4800SAS"},
183         {0x9005, 0x0285, 0x9005, 0x029a, AAC_HWIF_I960RX, 0,
184          "Adaptec SAS RAID 4805SAS"},
185         {0x9005, 0x0285, 0x9005, 0x028e, AAC_HWIF_I960RX, 0,
186          "Adaptec SATA RAID 2020SA ZCR"},
187         {0x9005, 0x0285, 0x9005, 0x028f, AAC_HWIF_I960RX, 0,
188          "Adaptec SATA RAID 2025SA ZCR"},
189         {0x9005, 0x0285, 0x9005, 0x02a4, AAC_HWIF_I960RX, 0,
190          "ICP ICP9085LI SAS RAID"},
191         {0x9005, 0x0285, 0x9005, 0x02a5, AAC_HWIF_I960RX, 0,
192          "ICP ICP5085BR SAS RAID"},
193         {0x9005, 0x0286, 0x9005, 0x02a0, AAC_HWIF_RKT, 0,
194          "ICP ICP9047MA SATA RAID"},
195         {0x9005, 0x0286, 0x9005, 0x02a1, AAC_HWIF_RKT, 0,
196          "ICP ICP9087MA SATA RAID"},
197         {0x9005, 0x0286, 0x1014, 0x9580, AAC_HWIF_RKT, 0,
198          "IBM ServeRAID-8k"},
199         {0, 0, 0, 0, 0, 0, 0}
200 };
201
202 static struct aac_ident *
203 aac_find_ident(device_t dev)
204 {
205         struct aac_ident *m;
206
207         for (m = aac_identifiers; m->vendor != 0; m++) {
208                 if ((m->vendor == pci_get_vendor(dev)) &&
209                     (m->device == pci_get_device(dev)) &&
210                     (m->subvendor == pci_get_subvendor(dev)) &&
211                     (m->subdevice == pci_get_subdevice(dev)))
212                 return (m);
213         }
214
215         return (NULL);
216 }
217
218 /*
219  * Determine whether this is one of our supported adapters.
220  */
221 static int
222 aac_pci_probe(device_t dev)
223 {
224         struct aac_ident *id;
225
226         debug_called(1);
227
228         if ((id = aac_find_ident(dev)) != NULL) {
229                 device_set_desc(dev, id->desc);
230                 return(BUS_PROBE_DEFAULT);
231         }
232         return(ENXIO);
233 }
234
235 /*
236  * Allocate resources for our device, set up the bus interface.
237  */
238 static int
239 aac_pci_attach(device_t dev)
240 {
241         struct aac_softc *sc;
242         struct aac_ident *id;
243         int error;
244         u_int32_t command;
245
246         debug_called(1);
247
248         /*
249          * Initialise softc.
250          */
251         sc = device_get_softc(dev);
252         bzero(sc, sizeof(*sc));
253         sc->aac_dev = dev;
254
255         /* assume failure is 'not configured' */
256         error = ENXIO;
257
258         /* 
259          * Verify that the adapter is correctly set up in PCI space.
260          */
261         command = pci_read_config(sc->aac_dev, PCIR_COMMAND, 2);
262         command |= PCIM_CMD_BUSMASTEREN;
263         pci_write_config(dev, PCIR_COMMAND, command, 2);
264         command = pci_read_config(sc->aac_dev, PCIR_COMMAND, 2);
265         if (!(command & PCIM_CMD_BUSMASTEREN)) {
266                 device_printf(sc->aac_dev, "can't enable bus-master feature\n");
267                 goto out;
268         }
269         if ((command & PCIM_CMD_MEMEN) == 0) {
270                 device_printf(sc->aac_dev, "memory window not available\n");
271                 goto out;
272         }
273
274         /*
275          * Allocate the PCI register window.
276          */
277         sc->aac_regs_rid = PCIR_BAR(0);
278         if ((sc->aac_regs_resource = bus_alloc_resource_any(sc->aac_dev,
279                                                             SYS_RES_MEMORY,
280                                                             &sc->aac_regs_rid,
281                                                             RF_ACTIVE)) ==
282                                                             NULL) {
283                 device_printf(sc->aac_dev,
284                               "couldn't allocate register window\n");
285                 goto out;
286         }
287         sc->aac_btag = rman_get_bustag(sc->aac_regs_resource);
288         sc->aac_bhandle = rman_get_bushandle(sc->aac_regs_resource);
289
290         /* assume failure is 'out of memory' */
291         error = ENOMEM;
292
293         /*
294          * Allocate the parent bus DMA tag appropriate for our PCI interface.
295          * 
296          * Note that some of these controllers are 64-bit capable.
297          */
298         if (bus_dma_tag_create(NULL,                    /* parent */
299                                PAGE_SIZE, 0,            /* algnmnt, boundary */
300                                BUS_SPACE_MAXADDR,       /* lowaddr */
301                                BUS_SPACE_MAXADDR,       /* highaddr */
302                                NULL, NULL,              /* filter, filterarg */
303                                BUS_SPACE_MAXSIZE_32BIT, /* maxsize */
304                                BUS_SPACE_UNRESTRICTED,  /* nsegments */
305                                BUS_SPACE_MAXSIZE_32BIT, /* maxsegsize */
306                                0,                       /* flags */
307                                NULL, NULL,              /* No locking needed */
308                                &sc->aac_parent_dmat)) {
309                 device_printf(sc->aac_dev, "can't allocate parent DMA tag\n");
310                 goto out;
311         }
312
313         /* 
314          * Detect the hardware interface version, set up the bus interface
315          * indirection.
316          */
317         id = aac_find_ident(dev);
318         sc->aac_hwif = id->hwif;
319         switch(sc->aac_hwif) {
320         case AAC_HWIF_I960RX:
321                 debug(2, "set hardware up for i960Rx");
322                 sc->aac_if = aac_rx_interface;
323                 break;
324         case AAC_HWIF_STRONGARM:
325                 debug(2, "set hardware up for StrongARM");
326                 sc->aac_if = aac_sa_interface;
327                 break;
328         case AAC_HWIF_FALCON:
329                 debug(2, "set hardware up for Falcon/PPC");
330                 sc->aac_if = aac_fa_interface;
331                 break;
332         case AAC_HWIF_RKT:
333                 debug(2, "set hardware up for Rocket/MIPS");
334                 sc->aac_if = aac_rkt_interface;
335                 break;
336         default:
337                 sc->aac_hwif = AAC_HWIF_UNKNOWN;
338                 device_printf(sc->aac_dev, "unknown hardware type\n");
339                 error = ENXIO;
340                 goto out;
341         }
342
343         /* Set up quirks */
344         sc->flags = id->quirks;
345
346         /*
347          * Do bus-independent initialisation.
348          */
349         error = aac_attach(sc);
350
351 out:
352         if (error)
353                 aac_free(sc);
354         return(error);
355 }
356
357 /*
358  * Do nothing driver that will attach to the SCSI channels of a Dell PERC
359  * controller.  This is needed to keep the power management subsystem from
360  * trying to power down these devices.
361  */
362 static int aacch_probe(device_t dev);
363 static int aacch_attach(device_t dev);
364 static int aacch_detach(device_t dev);
365
366 static device_method_t aacch_methods[] = {
367         /* Device interface */
368         DEVMETHOD(device_probe,         aacch_probe),
369         DEVMETHOD(device_attach,        aacch_attach),
370         DEVMETHOD(device_detach,        aacch_detach),
371         { 0, 0 }
372 };
373
374 struct aacch_softc {
375         device_t        dev;
376 };
377
378 static driver_t aacch_driver = {
379         "aacch",
380         aacch_methods,
381         sizeof(struct aacch_softc)
382 };
383
384 static devclass_t       aacch_devclass;
385 DRIVER_MODULE(aacch, pci, aacch_driver, aacch_devclass, 0, 0);
386
387 static int
388 aacch_probe(device_t dev)
389 {
390
391         if ((pci_get_vendor(dev) != 0x9005) ||
392             (pci_get_device(dev) != 0x00c5))
393                 return (ENXIO);
394
395         device_set_desc(dev, "AAC RAID Channel");
396         return (-10);
397 }
398
399 static int
400 aacch_attach(device_t dev)
401 {
402         struct aacch_softc *sc;
403
404         sc = device_get_softc(dev);
405
406         sc->dev = dev;
407
408         return (0);
409 }
410
411 static int
412 aacch_detach(device_t dev)
413 {
414
415         return (0);
416 }