Annotation of src/sys/arch/xen/xen/pciide_machdep.c, Revision 1.7
1.7 ! bouyer 1: /* $NetBSD: pciide_machdep.c,v 1.6 2006/09/28 18:53:16 bouyer Exp $ */
1.2 bouyer 2:
3: /*
4: * Copyright (c) 1998 Christopher G. Demetriou. All rights reserved.
5: *
6: * Redistribution and use in source and binary forms, with or without
7: * modification, are permitted provided that the following conditions
8: * are met:
9: * 1. Redistributions of source code must retain the above copyright
10: * notice, this list of conditions and the following disclaimer.
11: * 2. Redistributions in binary form must reproduce the above copyright
12: * notice, this list of conditions and the following disclaimer in the
13: * documentation and/or other materials provided with the distribution.
14: * 3. All advertising materials mentioning features or use of this software
15: * must display the following acknowledgement:
16: * This product includes software developed by Christopher G. Demetriou
17: * for the NetBSD Project.
18: * 4. The name of the author may not be used to endorse or promote products
19: * derived from this software without specific prior written permission
20: *
21: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31: */
32:
33: /*
34: * PCI IDE controller driver (i386 machine-dependent portion).
35: *
36: * Author: Christopher G. Demetriou, March 2, 1998 (derived from NetBSD
37: * sys/dev/pci/ppb.c, revision 1.16).
38: *
39: * See "PCI IDE Controller Specification, Revision 1.0 3/4/94" from the
40: * PCI SIG.
41: */
42:
43: #include <sys/cdefs.h>
1.7 ! bouyer 44: __KERNEL_RCSID(0, "$NetBSD: pciide_machdep.c,v 1.6 2006/09/28 18:53:16 bouyer Exp $");
1.2 bouyer 45:
46: #include <sys/param.h>
47: #include <sys/systm.h>
48: #include <sys/device.h>
49:
50: #include <dev/pci/pcireg.h>
51: #include <dev/pci/pcivar.h>
52: #include <dev/pci/pciidereg.h>
53: #include <dev/pci/pciidevar.h>
54:
55: #include <machine/evtchn.h>
56:
1.7 ! bouyer 57: #ifdef XEN3
! 58: #include "ioapic.h"
! 59: #endif
! 60:
! 61: #if NIOAPIC > 0
! 62: #include <machine/i82093var.h>
! 63: #include <machine/mpbiosvar.h>
! 64: #endif
! 65:
1.2 bouyer 66: void *
67: pciide_machdep_compat_intr_establish(dev, pa, chan, func, arg)
68: struct device *dev;
69: struct pci_attach_args *pa;
70: int chan;
71: int (*func) __P((void *));
72: void *arg;
73: {
1.5 bouyer 74: struct pintrhand *ih;
1.6 bouyer 75: char evname[8];
1.7 ! bouyer 76: struct xen_intr_handle xenih;
! 77: #if NIOAPIC > 0
! 78: struct pic *pic = NULL;
! 79: #endif
! 80: int evtch;
! 81:
1.5 bouyer 82: #ifndef XEN3
1.2 bouyer 83: physdev_op_t physdev_op;
84:
85: physdev_op.cmd = PHYSDEVOP_PCI_INITIALISE_DEVICE;
86: physdev_op.u.pci_cfgreg_read.bus = pa->pa_bus;
87: physdev_op.u.pci_cfgreg_read.dev = pa->pa_device;
88: physdev_op.u.pci_cfgreg_read.func = pa->pa_function;
89: if (HYPERVISOR_physdev_op(&physdev_op) < 0)
90: panic("HYPERVISOR_physdev_op(PHYSDEVOP_PCI_INITIALISE_DEVICE)");
1.5 bouyer 91: #endif /* !XEN3 */
1.7 ! bouyer 92: xenih.pirq = PCIIDE_COMPAT_IRQ(chan);
! 93: #if NIOAPIC > 0
! 94: if (mp_busses != NULL) {
! 95: if (intr_find_mpmapping(mp_isa_bus, xenih.pirq, &xenih) == 0 ||
! 96: intr_find_mpmapping(mp_eisa_bus, xenih.pirq, &xenih) == 0) {
! 97: if (!APIC_IRQ_ISLEGACY(xenih.pirq)) {
! 98: pic = (struct pic *)
! 99: ioapic_find(APIC_IRQ_APIC(xenih.pirq));
! 100: if (pic == NULL) {
! 101: printf("pciide_machdep_compat_intr_establish: "
! 102: "unknown apic %d\n",
! 103: APIC_IRQ_APIC(xenih.pirq));
! 104: return NULL;
! 105: }
! 106: }
! 107: } else
! 108: printf("pciide_machdep_compat_intr_establish: "
! 109: "no MP mapping found\n");
! 110: }
! 111: #endif
! 112: evtch = xen_intr_map(&xenih.pirq, IST_EDGE);
! 113: if (evtch == -1)
! 114: return NULL;
! 115: #if NIOAPIC > 0
! 116: if (pic)
! 117: snprintf(evname, sizeof(evname), "%s pin %d",
! 118: pic->pic_name, APIC_IRQ_PIN(xenih.pirq));
! 119: else
! 120: #endif
! 121: snprintf(evname, sizeof(evname), "irq%d",
! 122: PCIIDE_COMPAT_IRQ(chan));
1.2 bouyer 123:
124: ih = pirq_establish(PCIIDE_COMPAT_IRQ(chan),
1.7 ! bouyer 125: evtch, func, arg, IPL_BIO, evname);
1.2 bouyer 126: if (ih == NULL)
127: return NULL;
128:
1.7 ! bouyer 129: printf("%s: %s channel interrupting at ",
! 130: dev->dv_xname, PCIIDE_CHANNEL_NAME(chan));
! 131: #if NIOAPIC > 0
! 132: if (pic)
! 133: printf("%s pin %d", pic->pic_name, APIC_IRQ_PIN(xenih.pirq));
! 134: else
! 135: #endif
! 136: printf("irq %d", ih->pirq);
! 137: printf(", event channel %d\n", ih->evtch);
1.2 bouyer 138: return (void *)ih;
139: }
CVSweb <webmaster@jp.NetBSD.org>
![[BACK]](/icons/back.gif){kind=icon}
Return to pciide_machdep.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [cvs.NetBSD.org] / src / sys / arch / xen / xen