Adding qemu as a submodule of KVMFORNFV

This Patch includes the changes to add qemu as a submodule to
kvmfornfv repo and make use of the updated latest qemu for the
execution of all testcase
Change-Id: I1280af507a857675c7f81d30c95255635667bdd7
Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>

1 files changed, 0 insertions, 542 deletions

diff --git a/qemu/hw/arm/sysbus-fdt.c b/qemu/hw/arm/sysbus-fdt.c
deleted file mode 100644
index 5debb3348..000000000
--- a/qemu/hw/arm/sysbus-fdt.c
+++ /dev/null
@@ -1,542 +0,0 @@
-/*
- * ARM Platform Bus device tree generation helpers
- *
- * Copyright (c) 2014 Linaro Limited
- *
- * Authors:
- *  Alex Graf <agraf@suse.de>
- *  Eric Auger <eric.auger@linaro.org>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2 or later, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-
-#include "qemu/osdep.h"
-#include "qapi/error.h"
-#include <libfdt.h>
-#include "qemu-common.h"
-#ifdef CONFIG_LINUX
-#include <linux/vfio.h>
-#endif
-#include "hw/arm/sysbus-fdt.h"
-#include "qemu/error-report.h"
-#include "sysemu/device_tree.h"
-#include "hw/platform-bus.h"
-#include "sysemu/sysemu.h"
-#include "hw/vfio/vfio-platform.h"
-#include "hw/vfio/vfio-calxeda-xgmac.h"
-#include "hw/vfio/vfio-amd-xgbe.h"
-#include "hw/arm/fdt.h"
-
-/*
- * internal struct that contains the information to create dynamic
- * sysbus device node
- */
-typedef struct PlatformBusFDTData {
-    void *fdt; /* device tree handle */
-    int irq_start; /* index of the first IRQ usable by platform bus devices */
-    const char *pbus_node_name; /* name of the platform bus node */
-    PlatformBusDevice *pbus;
-} PlatformBusFDTData;
-
-/*
- * struct used when calling the machine init done notifier
- * that constructs the fdt nodes of platform bus devices
- */
-typedef struct PlatformBusFDTNotifierParams {
-    Notifier notifier;
-    ARMPlatformBusFDTParams *fdt_params;
-} PlatformBusFDTNotifierParams;
-
-/* struct that associates a device type name and a node creation function */
-typedef struct NodeCreationPair {
-    const char *typename;
-    int (*add_fdt_node_fn)(SysBusDevice *sbdev, void *opaque);
-} NodeCreationPair;
-
-/* helpers */
-
-typedef struct HostProperty {
-    const char *name;
-    bool optional;
-} HostProperty;
-
-#ifdef CONFIG_LINUX
-
-/**
- * copy_properties_from_host
- *
- * copies properties listed in an array from host device tree to
- * guest device tree. If a non optional property is not found, the
- * function asserts. An optional property is ignored if not found
- * in the host device tree.
- * @props: array of HostProperty to copy
- * @nb_props: number of properties in the array
- * @host_dt: host device tree blob
- * @guest_dt: guest device tree blob
- * @node_path: host dt node path where the property is supposed to be
-              found
- * @nodename: guest node name the properties should be added to
- */
-static void copy_properties_from_host(HostProperty *props, int nb_props,
-                                      void *host_fdt, void *guest_fdt,
-                                      char *node_path, char *nodename)
-{
-    int i, prop_len;
-    const void *r;
-    Error *err = NULL;
-
-    for (i = 0; i < nb_props; i++) {
-        r = qemu_fdt_getprop(host_fdt, node_path,
-                             props[i].name,
-                             &prop_len,
-                             props[i].optional ? &err : &error_fatal);
-        if (r) {
-            qemu_fdt_setprop(guest_fdt, nodename,
-                             props[i].name, r, prop_len);
-        } else {
-            if (prop_len != -FDT_ERR_NOTFOUND) {
-                /* optional property not returned although property exists */
-                error_report_err(err);
-            } else {
-                error_free(err);
-            }
-        }
-    }
-}
-
-/* clock properties whose values are copied/pasted from host */
-static HostProperty clock_copied_properties[] = {
-    {"compatible", false},
-    {"#clock-cells", false},
-    {"clock-frequency", true},
-    {"clock-output-names", true},
-};
-
-/**
- * fdt_build_clock_node
- *
- * Build a guest clock node, used as a dependency from a passthrough'ed
- * device. Most information are retrieved from the host clock node.
- * Also check the host clock is a fixed one.
- *
- * @host_fdt: host device tree blob from which info are retrieved
- * @guest_fdt: guest device tree blob where the clock node is added
- * @host_phandle: phandle of the clock in host device tree
- * @guest_phandle: phandle to assign to the guest node
- */
-static void fdt_build_clock_node(void *host_fdt, void *guest_fdt,
-                                uint32_t host_phandle,
-                                uint32_t guest_phandle)
-{
-    char *node_path = NULL;
-    char *nodename;
-    const void *r;
-    int ret, node_offset, prop_len, path_len = 16;
-
-    node_offset = fdt_node_offset_by_phandle(host_fdt, host_phandle);
-    if (node_offset <= 0) {
-        error_setg(&error_fatal,
-                   "not able to locate clock handle %d in host device tree",
-                   host_phandle);
-    }
-    node_path = g_malloc(path_len);
-    while ((ret = fdt_get_path(host_fdt, node_offset, node_path, path_len))
-            == -FDT_ERR_NOSPACE) {
-        path_len += 16;
-        node_path = g_realloc(node_path, path_len);
-    }
-    if (ret < 0) {
-        error_setg(&error_fatal,
-                   "not able to retrieve node path for clock handle %d",
-                   host_phandle);
-    }
-
-    r = qemu_fdt_getprop(host_fdt, node_path, "compatible", &prop_len,
-                         &error_fatal);
-    if (strcmp(r, "fixed-clock")) {
-        error_setg(&error_fatal,
-                   "clock handle %d is not a fixed clock", host_phandle);
-    }
-
-    nodename = strrchr(node_path, '/');
-    qemu_fdt_add_subnode(guest_fdt, nodename);
-
-    copy_properties_from_host(clock_copied_properties,
-                              ARRAY_SIZE(clock_copied_properties),
-                              host_fdt, guest_fdt,
-                              node_path, nodename);
-
-    qemu_fdt_setprop_cell(guest_fdt, nodename, "phandle", guest_phandle);
-
-    g_free(node_path);
-}
-
-/**
- * sysfs_to_dt_name: convert the name found in sysfs into the node name
- * for instance e0900000.xgmac is converted into xgmac@e0900000
- * @sysfs_name: directory name in sysfs
- *
- * returns the device tree name upon success or NULL in case the sysfs name
- * does not match the expected format
- */
-static char *sysfs_to_dt_name(const char *sysfs_name)
-{
-    gchar **substrings =  g_strsplit(sysfs_name, ".", 2);
-    char *dt_name = NULL;
-
-    if (!substrings || !substrings[0] || !substrings[1]) {
-        goto out;
-    }
-    dt_name = g_strdup_printf("%s@%s", substrings[1], substrings[0]);
-out:
-    g_strfreev(substrings);
-    return dt_name;
-}
-
-/* Device Specific Code */
-
-/**
- * add_calxeda_midway_xgmac_fdt_node
- *
- * Generates a simple node with following properties:
- * compatible string, regs, interrupts, dma-coherent
- */
-static int add_calxeda_midway_xgmac_fdt_node(SysBusDevice *sbdev, void *opaque)
-{
-    PlatformBusFDTData *data = opaque;
-    PlatformBusDevice *pbus = data->pbus;
-    void *fdt = data->fdt;
-    const char *parent_node = data->pbus_node_name;
-    int compat_str_len, i;
-    char *nodename;
-    uint32_t *irq_attr, *reg_attr;
-    uint64_t mmio_base, irq_number;
-    VFIOPlatformDevice *vdev = VFIO_PLATFORM_DEVICE(sbdev);
-    VFIODevice *vbasedev = &vdev->vbasedev;
-
-    mmio_base = platform_bus_get_mmio_addr(pbus, sbdev, 0);
-    nodename = g_strdup_printf("%s/%s@%" PRIx64, parent_node,
-                               vbasedev->name, mmio_base);
-    qemu_fdt_add_subnode(fdt, nodename);
-
-    compat_str_len = strlen(vdev->compat) + 1;
-    qemu_fdt_setprop(fdt, nodename, "compatible",
-                          vdev->compat, compat_str_len);
-
-    qemu_fdt_setprop(fdt, nodename, "dma-coherent", "", 0);
-
-    reg_attr = g_new(uint32_t, vbasedev->num_regions * 2);
-    for (i = 0; i < vbasedev->num_regions; i++) {
-        mmio_base = platform_bus_get_mmio_addr(pbus, sbdev, i);
-        reg_attr[2 * i] = cpu_to_be32(mmio_base);
-        reg_attr[2 * i + 1] = cpu_to_be32(
-                                memory_region_size(vdev->regions[i]->mem));
-    }
-    qemu_fdt_setprop(fdt, nodename, "reg", reg_attr,
-                     vbasedev->num_regions * 2 * sizeof(uint32_t));
-
-    irq_attr = g_new(uint32_t, vbasedev->num_irqs * 3);
-    for (i = 0; i < vbasedev->num_irqs; i++) {
-        irq_number = platform_bus_get_irqn(pbus, sbdev , i)
-                         + data->irq_start;
-        irq_attr[3 * i] = cpu_to_be32(GIC_FDT_IRQ_TYPE_SPI);
-        irq_attr[3 * i + 1] = cpu_to_be32(irq_number);
-        irq_attr[3 * i + 2] = cpu_to_be32(GIC_FDT_IRQ_FLAGS_LEVEL_HI);
-    }
-    qemu_fdt_setprop(fdt, nodename, "interrupts",
-                     irq_attr, vbasedev->num_irqs * 3 * sizeof(uint32_t));
-    g_free(irq_attr);
-    g_free(reg_attr);
-    g_free(nodename);
-    return 0;
-}
-
-/* AMD xgbe properties whose values are copied/pasted from host */
-static HostProperty amd_xgbe_copied_properties[] = {
-    {"compatible", false},
-    {"dma-coherent", true},
-    {"amd,per-channel-interrupt", true},
-    {"phy-mode", false},
-    {"mac-address", true},
-    {"amd,speed-set", false},
-    {"amd,serdes-blwc", true},
-    {"amd,serdes-cdr-rate", true},
-    {"amd,serdes-pq-skew", true},
-    {"amd,serdes-tx-amp", true},
-    {"amd,serdes-dfe-tap-config", true},
-    {"amd,serdes-dfe-tap-enable", true},
-    {"clock-names", false},
-};
-
-/**
- * add_amd_xgbe_fdt_node
- *
- * Generates the combined xgbe/phy node following kernel >=4.2
- * binding documentation:
- * Documentation/devicetree/bindings/net/amd-xgbe.txt:
- * Also 2 clock nodes are created (dma and ptp)
- *
- * Asserts in case of error
- */
-static int add_amd_xgbe_fdt_node(SysBusDevice *sbdev, void *opaque)
-{
-    PlatformBusFDTData *data = opaque;
-    PlatformBusDevice *pbus = data->pbus;
-    VFIOPlatformDevice *vdev = VFIO_PLATFORM_DEVICE(sbdev);
-    VFIODevice *vbasedev = &vdev->vbasedev;
-    VFIOINTp *intp;
-    const char *parent_node = data->pbus_node_name;
-    char **node_path, *nodename, *dt_name;
-    void *guest_fdt = data->fdt, *host_fdt;
-    const void *r;
-    int i, prop_len;
-    uint32_t *irq_attr, *reg_attr, *host_clock_phandles;
-    uint64_t mmio_base, irq_number;
-    uint32_t guest_clock_phandles[2];
-
-    host_fdt = load_device_tree_from_sysfs();
-
-    dt_name = sysfs_to_dt_name(vbasedev->name);
-    if (!dt_name) {
-        error_setg(&error_fatal, "%s incorrect sysfs device name %s",
-                    __func__, vbasedev->name);
-    }
-    node_path = qemu_fdt_node_path(host_fdt, dt_name, vdev->compat,
-                                   &error_fatal);
-    if (!node_path || !node_path[0]) {
-        error_setg(&error_fatal, "%s unable to retrieve node path for %s/%s",
-                   __func__, dt_name, vdev->compat);
-    }
-
-    if (node_path[1]) {
-        error_setg(&error_fatal, "%s more than one node matching %s/%s!",
-                   __func__, dt_name, vdev->compat);
-    }
-
-    g_free(dt_name);
-
-    if (vbasedev->num_regions != 5) {
-        error_setg(&error_fatal, "%s Does the host dt node combine XGBE/PHY?",
-                   __func__);
-    }
-
-    /* generate nodes for DMA_CLK and PTP_CLK */
-    r = qemu_fdt_getprop(host_fdt, node_path[0], "clocks",
-                         &prop_len, &error_fatal);
-    if (prop_len != 8) {
-        error_setg(&error_fatal, "%s clocks property should contain 2 handles",
-                   __func__);
-    }
-    host_clock_phandles = (uint32_t *)r;
-    guest_clock_phandles[0] = qemu_fdt_alloc_phandle(guest_fdt);
-    guest_clock_phandles[1] = qemu_fdt_alloc_phandle(guest_fdt);
-
-    /**
-     * clock handles fetched from host dt are in be32 layout whereas
-     * rest of the code uses cpu layout. Also guest clock handles are
-     * in cpu layout.
-     */
-    fdt_build_clock_node(host_fdt, guest_fdt,
-                         be32_to_cpu(host_clock_phandles[0]),
-                         guest_clock_phandles[0]);
-
-    fdt_build_clock_node(host_fdt, guest_fdt,
-                         be32_to_cpu(host_clock_phandles[1]),
-                         guest_clock_phandles[1]);
-
-    /* combined XGBE/PHY node */
-    mmio_base = platform_bus_get_mmio_addr(pbus, sbdev, 0);
-    nodename = g_strdup_printf("%s/%s@%" PRIx64, parent_node,
-                               vbasedev->name, mmio_base);
-    qemu_fdt_add_subnode(guest_fdt, nodename);
-
-    copy_properties_from_host(amd_xgbe_copied_properties,
-                       ARRAY_SIZE(amd_xgbe_copied_properties),
-                       host_fdt, guest_fdt,
-                       node_path[0], nodename);
-
-    qemu_fdt_setprop_cells(guest_fdt, nodename, "clocks",
-                           guest_clock_phandles[0],
-                           guest_clock_phandles[1]);
-
-    reg_attr = g_new(uint32_t, vbasedev->num_regions * 2);
-    for (i = 0; i < vbasedev->num_regions; i++) {
-        mmio_base = platform_bus_get_mmio_addr(pbus, sbdev, i);
-        reg_attr[2 * i] = cpu_to_be32(mmio_base);
-        reg_attr[2 * i + 1] = cpu_to_be32(
-                                memory_region_size(vdev->regions[i]->mem));
-    }
-    qemu_fdt_setprop(guest_fdt, nodename, "reg", reg_attr,
-                     vbasedev->num_regions * 2 * sizeof(uint32_t));
-
-    irq_attr = g_new(uint32_t, vbasedev->num_irqs * 3);
-    for (i = 0; i < vbasedev->num_irqs; i++) {
-        irq_number = platform_bus_get_irqn(pbus, sbdev , i)
-                         + data->irq_start;
-        irq_attr[3 * i] = cpu_to_be32(GIC_FDT_IRQ_TYPE_SPI);
-        irq_attr[3 * i + 1] = cpu_to_be32(irq_number);
-        /*
-          * General device interrupt and PCS auto-negotiation interrupts are
-          * level-sensitive while the 4 per-channel interrupts are edge
-          * sensitive
-          */
-        QLIST_FOREACH(intp, &vdev->intp_list, next) {
-            if (intp->pin == i) {
-                break;
-            }
-        }
-        if (intp->flags & VFIO_IRQ_INFO_AUTOMASKED) {
-            irq_attr[3 * i + 2] = cpu_to_be32(GIC_FDT_IRQ_FLAGS_LEVEL_HI);
-        } else {
-            irq_attr[3 * i + 2] = cpu_to_be32(GIC_FDT_IRQ_FLAGS_EDGE_LO_HI);
-        }
-    }
-    qemu_fdt_setprop(guest_fdt, nodename, "interrupts",
-                     irq_attr, vbasedev->num_irqs * 3 * sizeof(uint32_t));
-
-    g_free(host_fdt);
-    g_strfreev(node_path);
-    g_free(irq_attr);
-    g_free(reg_attr);
-    g_free(nodename);
-    return 0;
-}
-
-#endif /* CONFIG_LINUX */
-
-/* list of supported dynamic sysbus devices */
-static const NodeCreationPair add_fdt_node_functions[] = {
-#ifdef CONFIG_LINUX
-    {TYPE_VFIO_CALXEDA_XGMAC, add_calxeda_midway_xgmac_fdt_node},
-    {TYPE_VFIO_AMD_XGBE, add_amd_xgbe_fdt_node},
-#endif
-    {"", NULL}, /* last element */
-};
-
-/* Generic Code */
-
-/**
- * add_fdt_node - add the device tree node of a dynamic sysbus device
- *
- * @sbdev: handle to the sysbus device
- * @opaque: handle to the PlatformBusFDTData
- *
- * Checks the sysbus type belongs to the list of device types that
- * are dynamically instantiable and if so call the node creation
- * function.
- */
-static int add_fdt_node(SysBusDevice *sbdev, void *opaque)
-{
-    int i, ret;
-
-    for (i = 0; i < ARRAY_SIZE(add_fdt_node_functions); i++) {
-        if (!strcmp(object_get_typename(OBJECT(sbdev)),
-                    add_fdt_node_functions[i].typename)) {
-            ret = add_fdt_node_functions[i].add_fdt_node_fn(sbdev, opaque);
-            assert(!ret);
-            return 0;
-        }
-    }
-    error_report("Device %s can not be dynamically instantiated",
-                     qdev_fw_name(DEVICE(sbdev)));
-    exit(1);
-}
-
-/**
- * add_all_platform_bus_fdt_nodes - create all the platform bus nodes
- *
- * builds the parent platform bus node and all the nodes of dynamic
- * sysbus devices attached to it.
- */
-static void add_all_platform_bus_fdt_nodes(ARMPlatformBusFDTParams *fdt_params)
-{
-    const char platcomp[] = "qemu,platform\0simple-bus";
-    PlatformBusDevice *pbus;
-    DeviceState *dev;
-    gchar *node;
-    uint64_t addr, size;
-    int irq_start, dtb_size;
-    struct arm_boot_info *info = fdt_params->binfo;
-    const ARMPlatformBusSystemParams *params = fdt_params->system_params;
-    const char *intc = fdt_params->intc;
-    void *fdt = info->get_dtb(info, &dtb_size);
-
-    /*
-     * If the user provided a dtb, we assume the dynamic sysbus nodes
-     * already are integrated there. This corresponds to a use case where
-     * the dynamic sysbus nodes are complex and their generation is not yet
-     * supported. In that case the user can take charge of the guest dt
-     * while qemu takes charge of the qom stuff.
-     */
-    if (info->dtb_filename) {
-        return;
-    }
-
-    assert(fdt);
-
-    node = g_strdup_printf("/platform@%"PRIx64, params->platform_bus_base);
-    addr = params->platform_bus_base;
-    size = params->platform_bus_size;
-    irq_start = params->platform_bus_first_irq;
-
-    /* Create a /platform node that we can put all devices into */
-    qemu_fdt_add_subnode(fdt, node);
-    qemu_fdt_setprop(fdt, node, "compatible", platcomp, sizeof(platcomp));
-
-    /* Our platform bus region is less than 32bits, so 1 cell is enough for
-     * address and size
-     */
-    qemu_fdt_setprop_cells(fdt, node, "#size-cells", 1);
-    qemu_fdt_setprop_cells(fdt, node, "#address-cells", 1);
-    qemu_fdt_setprop_cells(fdt, node, "ranges", 0, addr >> 32, addr, size);
-
-    qemu_fdt_setprop_phandle(fdt, node, "interrupt-parent", intc);
-
-    dev = qdev_find_recursive(sysbus_get_default(), TYPE_PLATFORM_BUS_DEVICE);
-    pbus = PLATFORM_BUS_DEVICE(dev);
-
-    /* We can only create dt nodes for dynamic devices when they're ready */
-    assert(pbus->done_gathering);
-
-    PlatformBusFDTData data = {
-        .fdt = fdt,
-        .irq_start = irq_start,
-        .pbus_node_name = node,
-        .pbus = pbus,
-    };
-
-    /* Loop through all dynamic sysbus devices and create their node */
-    foreach_dynamic_sysbus_device(add_fdt_node, &data);
-
-    g_free(node);
-}
-
-static void platform_bus_fdt_notify(Notifier *notifier, void *data)
-{
-    PlatformBusFDTNotifierParams *p = DO_UPCAST(PlatformBusFDTNotifierParams,
-                                                notifier, notifier);
-
-    add_all_platform_bus_fdt_nodes(p->fdt_params);
-    g_free(p->fdt_params);
-    g_free(p);
-}
-
-void arm_register_platform_bus_fdt_creator(ARMPlatformBusFDTParams *fdt_params)
-{
-    PlatformBusFDTNotifierParams *p = g_new(PlatformBusFDTNotifierParams, 1);
-
-    p->fdt_params = fdt_params;
-    p->notifier.notify = platform_bus_fdt_notify;
-    qemu_add_machine_init_done_notifier(&p->notifier);
-}