Annotation of sys/dev/pci/twe_pci.c, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: twe_pci.c,v 1.12 2006/08/25 04:35:03 brad Exp $ */
2:
3: /*
4: * Copyright (c) 2000 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:
35: #include <dev/pci/pcidevs.h>
36: #include <dev/pci/pcivar.h>
37:
38: #include <machine/bus.h>
39:
40: #include <scsi/scsi_all.h>
41: #include <scsi/scsi_disk.h>
42: #include <scsi/scsiconf.h>
43:
44: #include <dev/ic/twereg.h>
45: #include <dev/ic/twevar.h>
46:
47: #define TWE_BAR 0x10
48:
49: int twe_pci_match(struct device *, void *, void *);
50: void twe_pci_attach(struct device *, struct device *, void *);
51:
52: struct cfattach twe_pci_ca = {
53: sizeof(struct twe_softc), twe_pci_match, twe_pci_attach
54: };
55:
56: const struct pci_matchid twe_pci_devices[] = {
57: { PCI_VENDOR_3WARE, PCI_PRODUCT_3WARE_ESCALADE },
58: { PCI_VENDOR_3WARE, PCI_PRODUCT_3WARE_ESCALADE_ASIC }
59: };
60:
61: int
62: twe_pci_match(parent, match, aux)
63: struct device *parent;
64: void *match;
65: void *aux;
66: {
67: return (pci_matchbyid((struct pci_attach_args *)aux, twe_pci_devices,
68: sizeof(twe_pci_devices)/sizeof(twe_pci_devices[0])));
69: }
70:
71: void
72: twe_pci_attach(parent, self, aux)
73: struct device *parent, *self;
74: void *aux;
75: {
76: struct twe_softc *sc = (struct twe_softc *)self;
77: struct pci_attach_args *pa = aux;
78: pci_intr_handle_t ih;
79: const char *intrstr;
80: bus_size_t size;
81:
82: if (pci_mapreg_map(pa, TWE_BAR, PCI_MAPREG_TYPE_IO, 0,
83: &sc->iot, &sc->ioh, NULL, &size, 0)) {
84: printf(": can't map controller i/o space\n");
85: return;
86: }
87: sc->dmat = pa->pa_dmat;
88:
89: if (pci_intr_map(pa, &ih)) {
90: printf(": can't map interrupt\n");
91: bus_space_unmap(sc->iot, sc->ioh, size);
92: return;
93: }
94: intrstr = pci_intr_string(pa->pa_pc, ih);
95: sc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO, twe_intr, sc,
96: sc->sc_dev.dv_xname);
97: if (!sc->sc_ih) {
98: printf(": can't establish interrupt");
99: if (intrstr)
100: printf(" at %s", intrstr);
101: printf("\n");
102: bus_space_unmap(sc->iot, sc->ioh, size);
103: return;
104: }
105:
106: printf(": %s\n%s", intrstr, sc->sc_dev.dv_xname);
107:
108: if (twe_attach(sc)) {
109: pci_intr_disestablish(pa->pa_pc, sc->sc_ih);
110: sc->sc_ih = NULL;
111: bus_space_unmap(sc->iot, sc->ioh, size);
112: }
113: }
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