Annotation of sys/dev/pci/ami_pci.c, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: ami_pci.c,v 1.42 2007/01/27 05:09:51 dlg Exp $ */
2:
3: /*
4: * Copyright (c) 2001 Michael Shalayeff
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 AUTHOR ``AS IS'' AND ANY EXPRESS OR
17: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19: * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT,
20: * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21: * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
22: * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
24: * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
25: * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
26: * THE POSSIBILITY OF SUCH DAMAGE.
27: */
28:
29: #include <sys/param.h>
30: #include <sys/systm.h>
31: #include <sys/kernel.h>
32: #include <sys/malloc.h>
33: #include <sys/device.h>
34: #include <sys/rwlock.h>
35:
36: #include <dev/pci/pcidevs.h>
37: #include <dev/pci/pcivar.h>
38:
39: #include <machine/bus.h>
40:
41: #include <scsi/scsi_all.h>
42: #include <scsi/scsi_disk.h>
43: #include <scsi/scsiconf.h>
44:
45: #include <dev/ic/amireg.h>
46: #include <dev/ic/amivar.h>
47:
48: #define AMI_BAR PCI_MAPREG_START
49: #define AMI_PCI_MEMSIZE 0x1000
50:
51: /* "Quartz" i960 Config space */
52: #define AMI_PCI_INIT 0x9c
53: #define AMI_INITSTAT(i) (((i) >> 8) & 0xff)
54: #define AMI_INITTARG(i) (((i) >> 16) & 0xff)
55: #define AMI_INITCHAN(i) (((i) >> 24) & 0xff)
56: #define AMI_PCI_SIG 0xa0
57: #define AMI_SIGNATURE_1 0xcccc /* older adapters */
58: #define AMI_SIGNATURE_2 0x3344 /* newer adapters */
59: #define AMI_PCI_SGL 0xa4
60: #define AMI_SGL_LHC 0x00000299
61: #define AMI_SGL_HLC 0x00000199
62:
63: int ami_pci_find_device(void *);
64: int ami_pci_match(struct device *, void *, void *);
65: void ami_pci_attach(struct device *, struct device *, void *);
66:
67: struct cfattach ami_pci_ca = {
68: sizeof(struct ami_softc), ami_pci_match, ami_pci_attach
69: };
70:
71: static const
72: struct ami_pci_device {
73: int vendor;
74: int product;
75: int flags;
76: } ami_pci_devices[] = {
77: { PCI_VENDOR_AMI, PCI_PRODUCT_AMI_MEGARAID, 0 },
78: { PCI_VENDOR_AMI, PCI_PRODUCT_AMI_MEGARAID428, AMI_BROKEN },
79: { PCI_VENDOR_AMI, PCI_PRODUCT_AMI_MEGARAID434, AMI_BROKEN },
80: { PCI_VENDOR_DELL, PCI_PRODUCT_DELL_PERC_4DI, 0 },
81: { PCI_VENDOR_DELL, PCI_PRODUCT_DELL_PERC_4DI_2, 0 },
82: { PCI_VENDOR_DELL, PCI_PRODUCT_DELL_PERC_4EDI, 0 },
83: { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_80960RP_ATU,
84: AMI_CHECK_SIGN | AMI_BROKEN },
85: { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_MEGARAID, 0 },
86: { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_MEGARAID_320, 0 },
87: { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_MEGARAID_3202E, 0 },
88: { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_MEGARAID_SATA, 0 },
89: { 0 }
90: };
91:
92: static const
93: struct ami_pci_subsys {
94: pcireg_t id;
95: const char *name;
96: int flags;
97: } ami_pci_subsys[] = {
98: /* only those of a special name or quirk are listed here */
99: { 0x004d1025, "ACER MegaRAID ROMB-2E", 0},
100: { 0x0511101e, "AMI MegaRAID i4", AMI_BROKEN },
101: { 0x04931028, "Dell PERC3/DC", 0 },
102: { 0x05181028, "Dell PERC4/DC", 0 },
103: { 0x09a0101e, "Dell 466v1", 0 },
104: { 0x11111111, "Dell 466v2", 0 },
105: { 0x11121111, "Dell 438", 0 },
106: { 0x11111028, "Dell 466v3", 0 },
107: { 0x10651734, "FSC MegaRAID PCI Express ROMB", 0 },
108: { 0x10c6103c, "HP 438", 0 },
109: { 0x10c7103c, "HP T5/T6", 0 },
110: { 0x10cc103c, "HP T7", 0 },
111: { 0x10cd103c, "HP 466", 0 },
112: { 0x45231000, "LSI 523", 0 },
113: { 0x05328086, "Intel RAID SRCU42X", 0 },
114: { 0x05238086, "Intel RAID SRCS16", 0 },
115: { 0x00028086, "Intel RAID SRCU42E", 0 },
116: { 0x05308086, "Intel RAID SRCZCRX", 0 },
117: { 0x30088086, "Intel RAID SRCS28X", 0 },
118: { 0x34318086, "Intel RAID SROMBU42E", 0 },
119: { 0x34998086, "Intel RAID SROMBU42E", 0 },
120: { 0x05208086, "Intel RAID SRCU51L", 0 },
121: { 0x82871033, "NEC MegaRAID PCI Express ROMB", 0 },
122: { 0, NULL, 0 }
123: };
124:
125: static const
126: struct ami_pci_vendor {
127: u_int16_t id;
128: char name[8];
129: } ami_pci_vendors[] = {
130: { 0x101e, "AMI" },
131: { 0x1028, "Dell" },
132: { 0x103c, "HP" },
133: { 0x1000, "LSI" },
134: { 0x8086, "Intel" },
135: { 0 }
136: };
137:
138: int
139: ami_pci_find_device(void *aux)
140: {
141: struct pci_attach_args *pa = aux;
142: int i;
143:
144: for (i = 0; ami_pci_devices[i].vendor; i++) {
145: if (ami_pci_devices[i].vendor == PCI_VENDOR(pa->pa_id) &&
146: ami_pci_devices[i].product == PCI_PRODUCT(pa->pa_id)) {
147: #ifdef AMI_DEBUG
148: printf(" apfd %i ", i);
149: #endif /* AMI_DEBUG */
150: return (i);
151: }
152: }
153:
154: return (-1);
155: }
156:
157: int
158: ami_pci_match(struct device *parent, void *match, void *aux)
159: {
160: struct pci_attach_args *pa = aux;
161: pcireg_t sig;
162: int i;
163:
164: if (PCI_CLASS(pa->pa_class) == PCI_CLASS_I2O)
165: return (0);
166:
167: if ((i = ami_pci_find_device(aux)) != -1) {
168: #ifdef AMI_DEBUG
169: printf("\nvendor: %04x product: %04x\n",
170: ami_pci_devices[i].vendor,
171: ami_pci_devices[i].product);
172: #endif /* AMI_DEBUG */
173:
174: if (!(ami_pci_devices[i].flags & AMI_CHECK_SIGN))
175: return (1);
176: /* some cards have 0x11223344, but some only 16bit */
177: sig = pci_conf_read(pa->pa_pc, pa->pa_tag,
178: AMI_PCI_SIG) & 0xffff;
179: if (sig == AMI_SIGNATURE_1 ||
180: sig == AMI_SIGNATURE_2)
181: return (1);
182: }
183:
184: return (0);
185: }
186:
187: void
188: ami_pci_attach(struct device *parent, struct device *self, void *aux)
189: {
190: struct ami_softc *sc = (struct ami_softc *)self;
191: struct pci_attach_args *pa = aux;
192: pci_intr_handle_t ih;
193: const char *intrstr, *model = NULL, *lhc;
194: const struct ami_pci_subsys *ssp;
195: bus_size_t size;
196: pcireg_t csr;
197: int i;
198:
199: csr = pci_mapreg_type(pa->pa_pc, pa->pa_tag, AMI_BAR);
200: if (pci_mapreg_map(pa, AMI_BAR, csr, 0,
201: &sc->sc_iot, &sc->sc_ioh, NULL, &size, AMI_PCI_MEMSIZE)) {
202: printf(": can't map controller pci space\n");
203: return;
204: }
205:
206: if (PCI_MAPREG_TYPE(csr) == PCI_MAPREG_TYPE_IO) {
207: sc->sc_init = ami_schwartz_init;
208: sc->sc_exec = ami_schwartz_exec;
209: sc->sc_done = ami_schwartz_done;
210: sc->sc_poll = ami_schwartz_poll;
211: } else {
212: sc->sc_init = ami_quartz_init;
213: sc->sc_exec = ami_quartz_exec;
214: sc->sc_done = ami_quartz_done;
215: sc->sc_poll = ami_quartz_poll;
216: sc->sc_flags |= AMI_QUARTZ;
217: }
218: sc->sc_dmat = pa->pa_dmat;
219:
220: if (pci_intr_map(pa, &ih)) {
221: printf(": can't map interrupt\n");
222: bus_space_unmap(sc->sc_iot, sc->sc_ioh, size);
223: return;
224: }
225: intrstr = pci_intr_string(pa->pa_pc, ih);
226: sc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO, ami_intr, sc,
227: sc->sc_dev.dv_xname);
228: if (!sc->sc_ih) {
229: printf(": can't establish interrupt");
230: if (intrstr)
231: printf(" at %s", intrstr);
232: printf("\n");
233: bus_space_unmap(sc->sc_iot, sc->sc_ioh, size);
234: return;
235: }
236:
237: printf(": %s\n", intrstr);
238:
239: csr = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG);
240: for (ssp = ami_pci_subsys; ssp->id; ssp++) {
241: if (ssp->id == csr) {
242: model = ssp->name;
243: sc->sc_flags |= ssp->flags;
244: break;
245: }
246: }
247:
248: if (!model && PCI_VENDOR(pa->pa_id) == PCI_VENDOR_AMI) {
249: switch (PCI_PRODUCT(pa->pa_id)) {
250: case PCI_PRODUCT_AMI_MEGARAID428:
251: model = "AMI 428";
252: break;
253: case PCI_PRODUCT_AMI_MEGARAID434:
254: model = "AMI 434";
255: break;
256: }
257: }
258:
259: /*
260: * XXX 438 is netraid 3si for hp cards, but we get to know
261: * they are hp too late in md code
262: */
263: if (!model) {
264: const struct ami_pci_vendor *vp;
265: static char modelbuf[32];
266:
267: for (vp = ami_pci_vendors;
268: vp->id && vp->id != (csr & 0xffff); vp++);
269: if (vp->id)
270: snprintf(modelbuf, sizeof(modelbuf), "%s %x", vp->name,
271: (csr >> 16) & 0xffff);
272: else
273: snprintf(modelbuf, sizeof(modelbuf), "unknown 0x%08x",
274: csr);
275: model = modelbuf;
276: }
277:
278: switch (pci_conf_read(pa->pa_pc, pa->pa_tag, AMI_PCI_SGL)) {
279: case AMI_SGL_LHC: lhc = "64b/lhc"; break;
280: case AMI_SGL_HLC: lhc = "64b/hlc"; break;
281: default: lhc = "32b";
282: }
283:
284: if ((i = ami_pci_find_device(aux)) != -1) {
285: if (ami_pci_devices[i].flags & AMI_BROKEN)
286: sc->sc_flags |= AMI_BROKEN;
287: } else {
288: /* this device existed at _match() should never happen */
289: panic("ami device dissapeared between match() and attach()");
290: }
291:
292: printf("%s: %s, %s", sc->sc_dev.dv_xname, model, lhc);
293:
294: if (ami_attach(sc)) {
295: pci_intr_disestablish(pa->pa_pc, sc->sc_ih);
296: sc->sc_ih = NULL;
297: bus_space_unmap(sc->sc_iot, sc->sc_ioh, size);
298: }
299: }
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