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Diffstat (limited to 'sys/dev/xen/pci/xen_acpi_pci.c')
-rw-r--r--sys/dev/xen/pci/xen_acpi_pci.c88
1 files changed, 88 insertions, 0 deletions
diff --git a/sys/dev/xen/pci/xen_acpi_pci.c b/sys/dev/xen/pci/xen_acpi_pci.c
new file mode 100644
index 000000000000..0eadd4ae6ca9
--- /dev/null
+++ b/sys/dev/xen/pci/xen_acpi_pci.c
@@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 2014 Roger Pau Monné <roger.pau@citrix.com>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/bus.h>
+#include <sys/kernel.h>
+#include <sys/malloc.h>
+#include <sys/module.h>
+
+#include <contrib/dev/acpica/include/acpi.h>
+#include <contrib/dev/acpica/include/accommon.h>
+
+#include <dev/acpica/acpivar.h>
+
+#include <sys/pciio.h>
+#include <dev/pci/pcireg.h>
+#include <dev/pci/pcivar.h>
+#include <dev/pci/pci_private.h>
+
+#include <xen/xen-os.h>
+#include <xen/hypervisor.h>
+#include <xen/xen_pci.h>
+
+#include "pcib_if.h"
+#include "pci_if.h"
+
+static int
+xen_acpi_pci_probe(device_t dev)
+{
+
+ if (!xen_pv_domain())
+ return (ENXIO);
+ if (acpi_get_handle(dev) == NULL)
+ return (ENXIO);
+
+ device_set_desc(dev, "Xen ACPI PCI bus");
+
+ return (BUS_PROBE_SPECIFIC);
+}
+
+static device_method_t xen_acpi_pci_methods[] = {
+ /* Device interface */
+ DEVMETHOD(device_probe, xen_acpi_pci_probe),
+
+ /* PCI interface overwrites */
+ DEVMETHOD(pci_enable_msi, xen_pci_enable_msi_method),
+ DEVMETHOD(pci_disable_msi, xen_pci_disable_msi_method),
+ DEVMETHOD(pci_child_added, xen_pci_child_added_method),
+
+ DEVMETHOD_END
+};
+
+static devclass_t pci_devclass;
+
+DECLARE_CLASS(acpi_pci_driver);
+DEFINE_CLASS_1(pci, xen_acpi_pci_driver, xen_acpi_pci_methods,
+ sizeof(struct pci_softc), acpi_pci_driver);
+DRIVER_MODULE(xen_acpi_pci, pcib, xen_acpi_pci_driver, pci_devclass, 0, 0);
+MODULE_DEPEND(xen_acpi_pci, pci, 1, 1, 1);
+MODULE_DEPEND(xen_acpi_pci, acpi, 1, 1, 1);
+MODULE_VERSION(xen_acpi_pci, 1);