diff options
Diffstat (limited to 'sys/dev/vmd/vmd_bus.c')
| -rw-r--r-- | sys/dev/vmd/vmd_bus.c | 220 |
1 files changed, 0 insertions, 220 deletions
diff --git a/sys/dev/vmd/vmd_bus.c b/sys/dev/vmd/vmd_bus.c deleted file mode 100644 index cf37a2dd9af2..000000000000 --- a/sys/dev/vmd/vmd_bus.c +++ /dev/null @@ -1,220 +0,0 @@ -/*- - * SPDX-License-Identifier: BSD-2-Clause - * - * Copyright 2019 Cisco Systems, Inc. - * 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/types.h> -#include <sys/param.h> -#include <sys/bus.h> -#include <sys/conf.h> -#include <sys/kernel.h> -#include <sys/module.h> -#include <sys/systm.h> -#include <sys/malloc.h> - -#include <machine/bus.h> -#include <machine/resource.h> -#include <sys/rman.h> -#include <sys/taskqueue.h> - -#include <sys/pciio.h> -#include <dev/pci/pcivar.h> -#include <dev/pci/pcireg.h> -#include <dev/pci/pci_private.h> -#include <dev/pci/pcib_private.h> -#include <dev/pci/pci_host_generic.h> -#include <dev/vmd/vmd.h> - -#include "pcib_if.h" -#include "pci_if.h" - -static int -vmd_bus_probe(device_t dev) -{ - device_set_desc(dev, "VMD bus"); - - return (-1000); -} - -/* PCI interface. */ - -static int -vmd_bus_attach(device_t dev) -{ - struct vmd_softc *sc; - struct pci_devinfo *dinfo; - rman_res_t start, end; - int b, s, f; - int found; - - sc = device_get_softc(device_get_parent(dev)); - - /* - * Start at max PCI vmd_domain and work down. Only VMD - * starting bus is connect to VMD device directly. Scan - * all slots and function connected to starting bus. - */ - - b = sc->vmd_bus_start; - - found = 0; - for (s = 0; s < PCI_SLOTMAX; s++) { - for (f = 0; f < PCI_FUNCMAX; f++) { - dinfo = pci_read_device(device_get_parent(dev), dev, - PCI_DOMAINMAX - device_get_unit( - device_get_parent(dev)), b, s, f); - if (dinfo != NULL) { - found = 1; - pci_add_child(dev, dinfo); - - start = rman_get_start(sc->vmd_regs_resource[1]); - end = rman_get_end(sc->vmd_regs_resource[1]); - resource_list_add_next(&dinfo->resources, - SYS_RES_MEMORY, start, end, end - start + 1); - - start = rman_get_start(sc->vmd_io_resource); - end = rman_get_end(sc->vmd_io_resource); - resource_list_add_next(&dinfo->resources, - SYS_RES_IOPORT, start, end, end - start + 1); - - } - } - } - - if (found) { - bus_generic_attach(dev); - } - - return (0); -} - -static int -vmd_bus_detach(device_t dev) -{ - struct vmd_softc *sc; - struct pci_devinfo *dinfo; - int b, s, f; - - device_delete_children(dev); - - sc = device_get_softc(device_get_parent(dev)); - b = sc->vmd_bus_start; - - for (s = 0; s < PCI_SLOTMAX; s++) { - for (f = 0; f < PCI_FUNCMAX; f++) { - dinfo = pci_read_device(device_get_parent(dev), dev, - PCI_DOMAINMAX - device_get_unit( - device_get_parent(dev)), b, s, f); - if (dinfo != NULL) - resource_list_free(&dinfo->resources); - } - } - return (0); -} - -static int -vmd_bus_adjust_resource(device_t dev, device_t child, int type, - struct resource *r, rman_res_t start, rman_res_t end) -{ - struct resource *res = r; - if (type == SYS_RES_MEMORY) { - /* VMD device controls this */ - return (0); - } - - return (bus_generic_adjust_resource(dev, child, type, res, start, end)); -} - -static int -vmd_bus_release_resource(device_t dev, device_t child, int type, int rid, - struct resource *r) -{ - if (type == SYS_RES_MEMORY) { - /* VMD device controls this */ - return (0); - } - - return (pci_release_resource(dev, child, type, rid, r)); -} - -static struct resource * -vmd_bus_alloc_resource(device_t dev, device_t child, int type, int *rid, - rman_res_t start, rman_res_t end, rman_res_t count, u_int flags) -{ - struct vmd_softc *sc; - - sc = device_get_softc(device_get_parent(dev)); - - if (type == SYS_RES_MEMORY) { - /* remap to VMD resources */ - if (*rid == PCIR_MEMBASE_1) { - return (sc->vmd_regs_resource[1]); - } else if (*rid == PCIR_PMBASEL_1) { - return (sc->vmd_regs_resource[2]); - } else { - return (sc->vmd_regs_resource[2]); - } - } - return (pci_alloc_resource(dev, child, type, rid, start, end, - count, flags)); -} - -static int -vmd_bus_shutdown(device_t dev) -{ - return (0); -} - -static device_method_t vmd_bus_pci_methods[] = { - /* Device interface */ - DEVMETHOD(device_probe, vmd_bus_probe), - DEVMETHOD(device_attach, vmd_bus_attach), - DEVMETHOD(device_detach, vmd_bus_detach), - DEVMETHOD(device_shutdown, vmd_bus_shutdown), - - /* Bus interface */ - DEVMETHOD(bus_alloc_resource, vmd_bus_alloc_resource), - DEVMETHOD(bus_adjust_resource, vmd_bus_adjust_resource), - DEVMETHOD(bus_release_resource, vmd_bus_release_resource), - - /* pci interface */ - DEVMETHOD(pci_read_config, pci_read_config_method), - DEVMETHOD(pci_write_config, pci_write_config_method), - DEVMETHOD(pci_alloc_devinfo, pci_alloc_devinfo_method), - - DEVMETHOD_END -}; - -static devclass_t vmd_bus_devclass; - -DEFINE_CLASS_1(pci, vmd_bus_pci_driver, vmd_bus_pci_methods, - sizeof(struct pci_softc), pci_driver); - -DRIVER_MODULE(pci, vmd, vmd_bus_pci_driver, vmd_bus_devclass, NULL, NULL); -MODULE_VERSION(vmd_bus, 1); |