ppc: move files referencing CPU to hw/ppc/

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

1 files changed, 0 insertions, 649 deletions

diff --git a/hw/spapr_vio.c b/hw/spapr_vio.c
deleted file mode 100644
index 6eb3ab5482..0000000000
--- a/hw/spapr_vio.c
+++ /dev/null
@@ -1,649 +0,0 @@
-/*
- * QEMU sPAPR VIO code
- *
- * Copyright (c) 2010 David Gibson, IBM Corporation <dwg@au1.ibm.com>
- * Based on the s390 virtio bus code:
- * Copyright (c) 2009 Alexander Graf <agraf@suse.de>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "hw/hw.h"
-#include "sysemu/sysemu.h"
-#include "hw/boards.h"
-#include "monitor/monitor.h"
-#include "hw/loader.h"
-#include "elf.h"
-#include "hw/sysbus.h"
-#include "sysemu/kvm.h"
-#include "sysemu/device_tree.h"
-#include "kvm_ppc.h"
-
-#include "hw/spapr.h"
-#include "hw/spapr_vio.h"
-#include "hw/xics.h"
-
-#ifdef CONFIG_FDT
-#include <libfdt.h>
-#endif /* CONFIG_FDT */
-
-/* #define DEBUG_SPAPR */
-
-#ifdef DEBUG_SPAPR
-#define dprintf(fmt, ...) \
-    do { fprintf(stderr, fmt, ## __VA_ARGS__); } while (0)
-#else
-#define dprintf(fmt, ...) \
-    do { } while (0)
-#endif
-
-static Property spapr_vio_props[] = {
-    DEFINE_PROP_UINT32("irq", VIOsPAPRDevice, irq, 0), \
-    DEFINE_PROP_END_OF_LIST(),
-};
-
-static const TypeInfo spapr_vio_bus_info = {
-    .name = TYPE_SPAPR_VIO_BUS,
-    .parent = TYPE_BUS,
-    .instance_size = sizeof(VIOsPAPRBus),
-};
-
-VIOsPAPRDevice *spapr_vio_find_by_reg(VIOsPAPRBus *bus, uint32_t reg)
-{
-    BusChild *kid;
-    VIOsPAPRDevice *dev = NULL;
-
-    QTAILQ_FOREACH(kid, &bus->bus.children, sibling) {
-        dev = (VIOsPAPRDevice *)kid->child;
-        if (dev->reg == reg) {
-            return dev;
-        }
-    }
-
-    return NULL;
-}
-
-static char *vio_format_dev_name(VIOsPAPRDevice *dev)
-{
-    VIOsPAPRDeviceClass *pc = VIO_SPAPR_DEVICE_GET_CLASS(dev);
-    char *name;
-
-    /* Device tree style name device@reg */
-    name = g_strdup_printf("%s@%x", pc->dt_name, dev->reg);
-
-    return name;
-}
-
-#ifdef CONFIG_FDT
-static int vio_make_devnode(VIOsPAPRDevice *dev,
-                            void *fdt)
-{
-    VIOsPAPRDeviceClass *pc = VIO_SPAPR_DEVICE_GET_CLASS(dev);
-    int vdevice_off, node_off, ret;
-    char *dt_name;
-
-    vdevice_off = fdt_path_offset(fdt, "/vdevice");
-    if (vdevice_off < 0) {
-        return vdevice_off;
-    }
-
-    dt_name = vio_format_dev_name(dev);
-    node_off = fdt_add_subnode(fdt, vdevice_off, dt_name);
-    g_free(dt_name);
-    if (node_off < 0) {
-        return node_off;
-    }
-
-    ret = fdt_setprop_cell(fdt, node_off, "reg", dev->reg);
-    if (ret < 0) {
-        return ret;
-    }
-
-    if (pc->dt_type) {
-        ret = fdt_setprop_string(fdt, node_off, "device_type",
-                                 pc->dt_type);
-        if (ret < 0) {
-            return ret;
-        }
-    }
-
-    if (pc->dt_compatible) {
-        ret = fdt_setprop_string(fdt, node_off, "compatible",
-                                 pc->dt_compatible);
-        if (ret < 0) {
-            return ret;
-        }
-    }
-
-    if (dev->irq) {
-        uint32_t ints_prop[] = {cpu_to_be32(dev->irq), 0};
-
-        ret = fdt_setprop(fdt, node_off, "interrupts", ints_prop,
-                          sizeof(ints_prop));
-        if (ret < 0) {
-            return ret;
-        }
-    }
-
-    ret = spapr_tcet_dma_dt(fdt, node_off, "ibm,my-dma-window", dev->dma);
-    if (ret < 0) {
-        return ret;
-    }
-
-    if (pc->devnode) {
-        ret = (pc->devnode)(dev, fdt, node_off);
-        if (ret < 0) {
-            return ret;
-        }
-    }
-
-    return node_off;
-}
-#endif /* CONFIG_FDT */
-
-/*
- * CRQ handling
- */
-static target_ulong h_reg_crq(PowerPCCPU *cpu, sPAPREnvironment *spapr,
-                              target_ulong opcode, target_ulong *args)
-{
-    target_ulong reg = args[0];
-    target_ulong queue_addr = args[1];
-    target_ulong queue_len = args[2];
-    VIOsPAPRDevice *dev = spapr_vio_find_by_reg(spapr->vio_bus, reg);
-
-    if (!dev) {
-        hcall_dprintf("Unit 0x" TARGET_FMT_lx " does not exist\n", reg);
-        return H_PARAMETER;
-    }
-
-    /* We can't grok a queue size bigger than 256M for now */
-    if (queue_len < 0x1000 || queue_len > 0x10000000) {
-        hcall_dprintf("Queue size too small or too big (0x" TARGET_FMT_lx
-                      ")\n", queue_len);
-        return H_PARAMETER;
-    }
-
-    /* Check queue alignment */
-    if (queue_addr & 0xfff) {
-        hcall_dprintf("Queue not aligned (0x" TARGET_FMT_lx ")\n", queue_addr);
-        return H_PARAMETER;
-    }
-
-    /* Check if device supports CRQs */
-    if (!dev->crq.SendFunc) {
-        hcall_dprintf("Device does not support CRQ\n");
-        return H_NOT_FOUND;
-    }
-
-    /* Already a queue ? */
-    if (dev->crq.qsize) {
-        hcall_dprintf("CRQ already registered\n");
-        return H_RESOURCE;
-    }
-    dev->crq.qladdr = queue_addr;
-    dev->crq.qsize = queue_len;
-    dev->crq.qnext = 0;
-
-    dprintf("CRQ for dev 0x" TARGET_FMT_lx " registered at 0x"
-            TARGET_FMT_lx "/0x" TARGET_FMT_lx "\n",
-            reg, queue_addr, queue_len);
-    return H_SUCCESS;
-}
-
-static target_ulong free_crq(VIOsPAPRDevice *dev)
-{
-    dev->crq.qladdr = 0;
-    dev->crq.qsize = 0;
-    dev->crq.qnext = 0;
-
-    dprintf("CRQ for dev 0x%" PRIx32 " freed\n", dev->reg);
-
-    return H_SUCCESS;
-}
-
-static target_ulong h_free_crq(PowerPCCPU *cpu, sPAPREnvironment *spapr,
-                               target_ulong opcode, target_ulong *args)
-{
-    target_ulong reg = args[0];
-    VIOsPAPRDevice *dev = spapr_vio_find_by_reg(spapr->vio_bus, reg);
-
-    if (!dev) {
-        hcall_dprintf("Unit 0x" TARGET_FMT_lx " does not exist\n", reg);
-        return H_PARAMETER;
-    }
-
-    return free_crq(dev);
-}
-
-static target_ulong h_send_crq(PowerPCCPU *cpu, sPAPREnvironment *spapr,
-                               target_ulong opcode, target_ulong *args)
-{
-    target_ulong reg = args[0];
-    target_ulong msg_hi = args[1];
-    target_ulong msg_lo = args[2];
-    VIOsPAPRDevice *dev = spapr_vio_find_by_reg(spapr->vio_bus, reg);
-    uint64_t crq_mangle[2];
-
-    if (!dev) {
-        hcall_dprintf("Unit 0x" TARGET_FMT_lx " does not exist\n", reg);
-        return H_PARAMETER;
-    }
-    crq_mangle[0] = cpu_to_be64(msg_hi);
-    crq_mangle[1] = cpu_to_be64(msg_lo);
-
-    if (dev->crq.SendFunc) {
-        return dev->crq.SendFunc(dev, (uint8_t *)crq_mangle);
-    }
-
-    return H_HARDWARE;
-}
-
-static target_ulong h_enable_crq(PowerPCCPU *cpu, sPAPREnvironment *spapr,
-                                 target_ulong opcode, target_ulong *args)
-{
-    target_ulong reg = args[0];
-    VIOsPAPRDevice *dev = spapr_vio_find_by_reg(spapr->vio_bus, reg);
-
-    if (!dev) {
-        hcall_dprintf("Unit 0x" TARGET_FMT_lx " does not exist\n", reg);
-        return H_PARAMETER;
-    }
-
-    return 0;
-}
-
-/* Returns negative error, 0 success, or positive: queue full */
-int spapr_vio_send_crq(VIOsPAPRDevice *dev, uint8_t *crq)
-{
-    int rc;
-    uint8_t byte;
-
-    if (!dev->crq.qsize) {
-        fprintf(stderr, "spapr_vio_send_creq on uninitialized queue\n");
-        return -1;
-    }
-
-    /* Maybe do a fast path for KVM just writing to the pages */
-    rc = spapr_vio_dma_read(dev, dev->crq.qladdr + dev->crq.qnext, &byte, 1);
-    if (rc) {
-        return rc;
-    }
-    if (byte != 0) {
-        return 1;
-    }
-
-    rc = spapr_vio_dma_write(dev, dev->crq.qladdr + dev->crq.qnext + 8,
-                             &crq[8], 8);
-    if (rc) {
-        return rc;
-    }
-
-    kvmppc_eieio();
-
-    rc = spapr_vio_dma_write(dev, dev->crq.qladdr + dev->crq.qnext, crq, 8);
-    if (rc) {
-        return rc;
-    }
-
-    dev->crq.qnext = (dev->crq.qnext + 16) % dev->crq.qsize;
-
-    if (dev->signal_state & 1) {
-        qemu_irq_pulse(spapr_vio_qirq(dev));
-    }
-
-    return 0;
-}
-
-/* "quiesce" handling */
-
-static void spapr_vio_quiesce_one(VIOsPAPRDevice *dev)
-{
-    if (dev->dma) {
-        spapr_tce_reset(dev->dma);
-    }
-    free_crq(dev);
-}
-
-static void rtas_set_tce_bypass(sPAPREnvironment *spapr, uint32_t token,
-                                uint32_t nargs, target_ulong args,
-                                uint32_t nret, target_ulong rets)
-{
-    VIOsPAPRBus *bus = spapr->vio_bus;
-    VIOsPAPRDevice *dev;
-    uint32_t unit, enable;
-
-    if (nargs != 2) {
-        rtas_st(rets, 0, -3);
-        return;
-    }
-    unit = rtas_ld(args, 0);
-    enable = rtas_ld(args, 1);
-    dev = spapr_vio_find_by_reg(bus, unit);
-    if (!dev) {
-        rtas_st(rets, 0, -3);
-        return;
-    }
-
-    if (!dev->dma) {
-        rtas_st(rets, 0, -3);
-        return;
-    }
-
-    spapr_tce_set_bypass(dev->dma, !!enable);
-
-    rtas_st(rets, 0, 0);
-}
-
-static void rtas_quiesce(sPAPREnvironment *spapr, uint32_t token,
-                         uint32_t nargs, target_ulong args,
-                         uint32_t nret, target_ulong rets)
-{
-    VIOsPAPRBus *bus = spapr->vio_bus;
-    BusChild *kid;
-    VIOsPAPRDevice *dev = NULL;
-
-    if (nargs != 0) {
-        rtas_st(rets, 0, -3);
-        return;
-    }
-
-    QTAILQ_FOREACH(kid, &bus->bus.children, sibling) {
-        dev = (VIOsPAPRDevice *)kid->child;
-        spapr_vio_quiesce_one(dev);
-    }
-
-    rtas_st(rets, 0, 0);
-}
-
-static VIOsPAPRDevice *reg_conflict(VIOsPAPRDevice *dev)
-{
-    VIOsPAPRBus *bus = DO_UPCAST(VIOsPAPRBus, bus, dev->qdev.parent_bus);
-    BusChild *kid;
-    VIOsPAPRDevice *other;
-
-    /*
-     * Check for a device other than the given one which is already
-     * using the requested address. We have to open code this because
-     * the given dev might already be in the list.
-     */
-    QTAILQ_FOREACH(kid, &bus->bus.children, sibling) {
-        other = DO_UPCAST(VIOsPAPRDevice, qdev, kid->child);
-
-        if (other != dev && other->reg == dev->reg) {
-            return other;
-        }
-    }
-
-    return 0;
-}
-
-static void spapr_vio_busdev_reset(DeviceState *qdev)
-{
-    VIOsPAPRDevice *dev = DO_UPCAST(VIOsPAPRDevice, qdev, qdev);
-    VIOsPAPRDeviceClass *pc = VIO_SPAPR_DEVICE_GET_CLASS(dev);
-
-    /* Shut down the request queue and TCEs if necessary */
-    spapr_vio_quiesce_one(dev);
-
-    dev->signal_state = 0;
-
-    if (pc->reset) {
-        pc->reset(dev);
-    }
-}
-
-static int spapr_vio_busdev_init(DeviceState *qdev)
-{
-    VIOsPAPRDevice *dev = (VIOsPAPRDevice *)qdev;
-    VIOsPAPRDeviceClass *pc = VIO_SPAPR_DEVICE_GET_CLASS(dev);
-    char *id;
-
-    if (dev->reg != -1) {
-        /*
-         * Explicitly assigned address, just verify that no-one else
-         * is using it.  other mechanism). We have to open code this
-         * rather than using spapr_vio_find_by_reg() because sdev
-         * itself is already in the list.
-         */
-        VIOsPAPRDevice *other = reg_conflict(dev);
-
-        if (other) {
-            fprintf(stderr, "vio: %s and %s devices conflict at address %#x\n",
-                    object_get_typename(OBJECT(qdev)),
-                    object_get_typename(OBJECT(&other->qdev)),
-                    dev->reg);
-            return -1;
-        }
-    } else {
-        /* Need to assign an address */
-        VIOsPAPRBus *bus = DO_UPCAST(VIOsPAPRBus, bus, dev->qdev.parent_bus);
-
-        do {
-            dev->reg = bus->next_reg++;
-        } while (reg_conflict(dev));
-    }
-
-    /* Don't overwrite ids assigned on the command line */
-    if (!dev->qdev.id) {
-        id = vio_format_dev_name(dev);
-        dev->qdev.id = id;
-    }
-
-    dev->irq = spapr_allocate_msi(dev->irq);
-    if (!dev->irq) {
-        return -1;
-    }
-
-    if (pc->rtce_window_size) {
-        uint32_t liobn = SPAPR_VIO_BASE_LIOBN | dev->reg;
-        dev->dma = spapr_tce_new_dma_context(liobn, pc->rtce_window_size);
-    }
-
-    return pc->init(dev);
-}
-
-static target_ulong h_vio_signal(PowerPCCPU *cpu, sPAPREnvironment *spapr,
-                                 target_ulong opcode,
-                                 target_ulong *args)
-{
-    target_ulong reg = args[0];
-    target_ulong mode = args[1];
-    VIOsPAPRDevice *dev = spapr_vio_find_by_reg(spapr->vio_bus, reg);
-    VIOsPAPRDeviceClass *pc;
-
-    if (!dev) {
-        return H_PARAMETER;
-    }
-
-    pc = VIO_SPAPR_DEVICE_GET_CLASS(dev);
-
-    if (mode & ~pc->signal_mask) {
-        return H_PARAMETER;
-    }
-
-    dev->signal_state = mode;
-
-    return H_SUCCESS;
-}
-
-VIOsPAPRBus *spapr_vio_bus_init(void)
-{
-    VIOsPAPRBus *bus;
-    BusState *qbus;
-    DeviceState *dev;
-
-    /* Create bridge device */
-    dev = qdev_create(NULL, "spapr-vio-bridge");
-    qdev_init_nofail(dev);
-
-    /* Create bus on bridge device */
-
-    qbus = qbus_create(TYPE_SPAPR_VIO_BUS, dev, "spapr-vio");
-    bus = DO_UPCAST(VIOsPAPRBus, bus, qbus);
-    bus->next_reg = 0x71000000;
-
-    /* hcall-vio */
-    spapr_register_hypercall(H_VIO_SIGNAL, h_vio_signal);
-
-    /* hcall-crq */
-    spapr_register_hypercall(H_REG_CRQ, h_reg_crq);
-    spapr_register_hypercall(H_FREE_CRQ, h_free_crq);
-    spapr_register_hypercall(H_SEND_CRQ, h_send_crq);
-    spapr_register_hypercall(H_ENABLE_CRQ, h_enable_crq);
-
-    /* RTAS calls */
-    spapr_rtas_register("ibm,set-tce-bypass", rtas_set_tce_bypass);
-    spapr_rtas_register("quiesce", rtas_quiesce);
-
-    return bus;
-}
-
-/* Represents sPAPR hcall VIO devices */
-
-static int spapr_vio_bridge_init(SysBusDevice *dev)
-{
-    /* nothing */
-    return 0;
-}
-
-static void spapr_vio_bridge_class_init(ObjectClass *klass, void *data)
-{
-    DeviceClass *dc = DEVICE_CLASS(klass);
-    SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
-
-    k->init = spapr_vio_bridge_init;
-    dc->no_user = 1;
-}
-
-static const TypeInfo spapr_vio_bridge_info = {
-    .name          = "spapr-vio-bridge",
-    .parent        = TYPE_SYS_BUS_DEVICE,
-    .instance_size = sizeof(SysBusDevice),
-    .class_init    = spapr_vio_bridge_class_init,
-};
-
-static void vio_spapr_device_class_init(ObjectClass *klass, void *data)
-{
-    DeviceClass *k = DEVICE_CLASS(klass);
-    k->init = spapr_vio_busdev_init;
-    k->reset = spapr_vio_busdev_reset;
-    k->bus_type = TYPE_SPAPR_VIO_BUS;
-    k->props = spapr_vio_props;
-}
-
-static const TypeInfo spapr_vio_type_info = {
-    .name = TYPE_VIO_SPAPR_DEVICE,
-    .parent = TYPE_DEVICE,
-    .instance_size = sizeof(VIOsPAPRDevice),
-    .abstract = true,
-    .class_size = sizeof(VIOsPAPRDeviceClass),
-    .class_init = vio_spapr_device_class_init,
-};
-
-static void spapr_vio_register_types(void)
-{
-    type_register_static(&spapr_vio_bus_info);
-    type_register_static(&spapr_vio_bridge_info);
-    type_register_static(&spapr_vio_type_info);
-}
-
-type_init(spapr_vio_register_types)
-
-#ifdef CONFIG_FDT
-static int compare_reg(const void *p1, const void *p2)
-{
-    VIOsPAPRDevice const *dev1, *dev2;
-
-    dev1 = (VIOsPAPRDevice *)*(DeviceState **)p1;
-    dev2 = (VIOsPAPRDevice *)*(DeviceState **)p2;
-
-    if (dev1->reg < dev2->reg) {
-        return -1;
-    }
-    if (dev1->reg == dev2->reg) {
-        return 0;
-    }
-
-    /* dev1->reg > dev2->reg */
-    return 1;
-}
-
-int spapr_populate_vdevice(VIOsPAPRBus *bus, void *fdt)
-{
-    DeviceState *qdev, **qdevs;
-    BusChild *kid;
-    int i, num, ret = 0;
-
-    /* Count qdevs on the bus list */
-    num = 0;
-    QTAILQ_FOREACH(kid, &bus->bus.children, sibling) {
-        num++;
-    }
-
-    /* Copy out into an array of pointers */
-    qdevs = g_malloc(sizeof(qdev) * num);
-    num = 0;
-    QTAILQ_FOREACH(kid, &bus->bus.children, sibling) {
-        qdevs[num++] = kid->child;
-    }
-
-    /* Sort the array */
-    qsort(qdevs, num, sizeof(qdev), compare_reg);
-
-    /* Hack alert. Give the devices to libfdt in reverse order, we happen
-     * to know that will mean they are in forward order in the tree. */
-    for (i = num - 1; i >= 0; i--) {
-        VIOsPAPRDevice *dev = (VIOsPAPRDevice *)(qdevs[i]);
-
-        ret = vio_make_devnode(dev, fdt);
-
-        if (ret < 0) {
-            goto out;
-        }
-    }
-
-    ret = 0;
-out:
-    free(qdevs);
-
-    return ret;
-}
-
-int spapr_populate_chosen_stdout(void *fdt, VIOsPAPRBus *bus)
-{
-    VIOsPAPRDevice *dev;
-    char *name, *path;
-    int ret, offset;
-
-    dev = spapr_vty_get_default(bus);
-    if (!dev)
-        return 0;
-
-    offset = fdt_path_offset(fdt, "/chosen");
-    if (offset < 0) {
-        return offset;
-    }
-
-    name = vio_format_dev_name(dev);
-    path = g_strdup_printf("/vdevice/%s", name);
-
-    ret = fdt_setprop_string(fdt, offset, "linux,stdout-path", path);
-
-    g_free(name);
-    g_free(path);
-
-    return ret;
-}
-#endif /* CONFIG_FDT */