Annotation of sys/dev/pci/mfi_pci.c, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: mfi_pci.c,v 1.11 2006/08/06 04:40:08 brad Exp $ */
2: /*
3: * Copyright (c) 2006 Marco Peereboom <marco@peereboom.us>
4: *
5: * Permission to use, copy, modify, and distribute this software for any
6: * purpose with or without fee is hereby granted, provided that the above
7: * copyright notice and this permission notice appear in all copies.
8: *
9: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16: */
17:
18: #include <sys/param.h>
19: #include <sys/systm.h>
20: #include <sys/kernel.h>
21: #include <sys/malloc.h>
22: #include <sys/device.h>
23: #include <sys/rwlock.h>
24:
25: #include <dev/pci/pcidevs.h>
26: #include <dev/pci/pcivar.h>
27:
28: #include <machine/bus.h>
29:
30: #include <scsi/scsi_all.h>
31: #include <scsi/scsi_disk.h>
32: #include <scsi/scsiconf.h>
33:
34: #include <dev/ic/mfireg.h>
35: #include <dev/ic/mfivar.h>
36:
37: #define MFI_BAR 0x10
38: #define MFI_PCI_MEMSIZE 0x2000 /* 8k */
39:
40: int mfi_pci_find_device(void *);
41: int mfi_pci_match(struct device *, void *, void *);
42: void mfi_pci_attach(struct device *, struct device *, void *);
43:
44: struct cfattach mfi_pci_ca = {
45: sizeof(struct mfi_softc), mfi_pci_match, mfi_pci_attach
46: };
47:
48: static const
49: struct mfi_pci_device {
50: pcireg_t mpd_vendor;
51: pcireg_t mpd_product;
52: pcireg_t mpd_subvendor;
53: pcireg_t mpd_subproduct;
54: char *mpd_model;
55: uint32_t mpd_flags;
56: } mfi_pci_devices[] = {
57: { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_MEGARAID_SAS,
58: 0, 0, "", 0 },
59: { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_MEGARAID_VERDE_ZCR,
60: 0, 0, "", 0 },
61: { PCI_VENDOR_DELL, PCI_PRODUCT_DELL_PERC5,
62: PCI_VENDOR_DELL, 0x1f01, "Dell PERC 5/e", 0 },
63: { PCI_VENDOR_DELL, PCI_PRODUCT_DELL_PERC5,
64: PCI_VENDOR_DELL, 0x1f02, "Dell PERC 5/i", 0 },
65: { 0 }
66: };
67:
68: int
69: mfi_pci_find_device(void *aux) {
70: struct pci_attach_args *pa = aux;
71: int i;
72:
73: for (i = 0; mfi_pci_devices[i].mpd_vendor; i++) {
74: if (mfi_pci_devices[i].mpd_vendor == PCI_VENDOR(pa->pa_id) &&
75: mfi_pci_devices[i].mpd_product == PCI_PRODUCT(pa->pa_id)) {
76: DNPRINTF(MFI_D_MISC, "mfi_pci_find_device: %i\n", i);
77: return (i);
78: }
79: }
80:
81: return (-1);
82: }
83:
84: int
85: mfi_pci_match(struct device *parent, void *match, void *aux)
86: {
87: int i;
88:
89: if ((i = mfi_pci_find_device(aux)) != -1) {
90: DNPRINTF(MFI_D_MISC,
91: "mfi_pci_match: vendor: %04x product: %04x\n",
92: mfi_pci_devices[i].mpd_vendor,
93: mfi_pci_devices[i].mpd_product);
94:
95: return (1);
96: }
97:
98: return (0);
99: }
100:
101: void
102: mfi_pci_attach(struct device *parent, struct device *self, void *aux)
103: {
104: struct mfi_softc *sc = (struct mfi_softc *)self;
105: struct pci_attach_args *pa = aux;
106: const char *intrstr;
107: pci_intr_handle_t ih;
108: bus_size_t size;
109: pcireg_t csr;
110: uint32_t subsysid, i;
111:
112: subsysid = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG);
113: for (i = 0; mfi_pci_devices[i].mpd_vendor; i++)
114: if (mfi_pci_devices[i].mpd_subvendor == PCI_VENDOR(subsysid) &&
115: mfi_pci_devices[i].mpd_subproduct == PCI_PRODUCT(subsysid)){
116: printf(", %s", mfi_pci_devices[i].mpd_model);
117: break;
118: }
119:
120: csr = pci_mapreg_type(pa->pa_pc, pa->pa_tag, MFI_BAR);
121: csr |= PCI_MAPREG_MEM_TYPE_32BIT;
122: if (pci_mapreg_map(pa, MFI_BAR, csr, 0,
123: &sc->sc_iot, &sc->sc_ioh, NULL, &size, MFI_PCI_MEMSIZE)) {
124: printf(": can't map controller pci space\n");
125: return;
126: }
127:
128: sc->sc_dmat = pa->pa_dmat;
129:
130: if (pci_intr_map(pa, &ih)) {
131: printf(": can't map interrupt\n");
132: bus_space_unmap(sc->sc_iot, sc->sc_ioh, size);
133: return;
134: }
135: intrstr = pci_intr_string(pa->pa_pc, ih);
136: sc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO, mfi_intr, sc,
137: sc->sc_dev.dv_xname);
138: if (!sc->sc_ih) {
139: printf(": can't establish interrupt");
140: if (intrstr)
141: printf(" at %s", intrstr);
142: printf("\n");
143: bus_space_unmap(sc->sc_iot, sc->sc_ioh, size);
144: return;
145: }
146:
147: printf(": %s\n", intrstr);
148:
149: if (mfi_attach(sc)) {
150: printf("%s: can't attach", DEVNAME(sc));
151: pci_intr_disestablish(pa->pa_pc, sc->sc_ih);
152: sc->sc_ih = NULL;
153: bus_space_unmap(sc->sc_iot, sc->sc_ioh, size);
154: }
155: }
CVSweb
![[BACK]](/icons/back.gif){kind=icon}
Return to mfi_pci.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / sys / dev / pci