diff options
author | 2017-04-25 03:31:15 -0700 | |
---|---|---|
committer | 2017-05-22 06:48:08 +0000 | |
commit | bb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch) | |
tree | ca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/bootdevice.c | |
parent | a14b48d18a9ed03ec191cf16b162206998a895ce (diff) |
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>
Diffstat (limited to 'qemu/bootdevice.c')
-rw-r--r-- | qemu/bootdevice.c | 343 |
1 files changed, 0 insertions, 343 deletions
diff --git a/qemu/bootdevice.c b/qemu/bootdevice.c deleted file mode 100644 index 2e83ff05e..000000000 --- a/qemu/bootdevice.c +++ /dev/null @@ -1,343 +0,0 @@ -/* - * QEMU Boot Device Implement - * - * Copyright (c) 2014 HUAWEI TECHNOLOGIES CO., LTD. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ - -#include "qemu/osdep.h" -#include "qapi/error.h" -#include "sysemu/sysemu.h" -#include "qapi/visitor.h" -#include "qemu/error-report.h" -#include "hw/hw.h" - -typedef struct FWBootEntry FWBootEntry; - -struct FWBootEntry { - QTAILQ_ENTRY(FWBootEntry) link; - int32_t bootindex; - DeviceState *dev; - char *suffix; -}; - -static QTAILQ_HEAD(, FWBootEntry) fw_boot_order = - QTAILQ_HEAD_INITIALIZER(fw_boot_order); -static QEMUBootSetHandler *boot_set_handler; -static void *boot_set_opaque; - -void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque) -{ - boot_set_handler = func; - boot_set_opaque = opaque; -} - -void qemu_boot_set(const char *boot_order, Error **errp) -{ - Error *local_err = NULL; - - if (!boot_set_handler) { - error_setg(errp, "no function defined to set boot device list for" - " this architecture"); - return; - } - - validate_bootdevices(boot_order, &local_err); - if (local_err) { - error_propagate(errp, local_err); - return; - } - - boot_set_handler(boot_set_opaque, boot_order, errp); -} - -void validate_bootdevices(const char *devices, Error **errp) -{ - /* We just do some generic consistency checks */ - const char *p; - int bitmap = 0; - - for (p = devices; *p != '\0'; p++) { - /* Allowed boot devices are: - * a-b: floppy disk drives - * c-f: IDE disk drives - * g-m: machine implementation dependent drives - * n-p: network devices - * It's up to each machine implementation to check if the given boot - * devices match the actual hardware implementation and firmware - * features. - */ - if (*p < 'a' || *p > 'p') { - error_setg(errp, "Invalid boot device '%c'", *p); - return; - } - if (bitmap & (1 << (*p - 'a'))) { - error_setg(errp, "Boot device '%c' was given twice", *p); - return; - } - bitmap |= 1 << (*p - 'a'); - } -} - -void restore_boot_order(void *opaque) -{ - char *normal_boot_order = opaque; - static int first = 1; - - /* Restore boot order and remove ourselves after the first boot */ - if (first) { - first = 0; - return; - } - - if (boot_set_handler) { - qemu_boot_set(normal_boot_order, &error_abort); - } - - qemu_unregister_reset(restore_boot_order, normal_boot_order); - g_free(normal_boot_order); -} - -void check_boot_index(int32_t bootindex, Error **errp) -{ - FWBootEntry *i; - - if (bootindex >= 0) { - QTAILQ_FOREACH(i, &fw_boot_order, link) { - if (i->bootindex == bootindex) { - error_setg(errp, "The bootindex %d has already been used", - bootindex); - return; - } - } - } -} - -void del_boot_device_path(DeviceState *dev, const char *suffix) -{ - FWBootEntry *i; - - if (dev == NULL) { - return; - } - - QTAILQ_FOREACH(i, &fw_boot_order, link) { - if ((!suffix || !g_strcmp0(i->suffix, suffix)) && - i->dev == dev) { - QTAILQ_REMOVE(&fw_boot_order, i, link); - g_free(i->suffix); - g_free(i); - - break; - } - } -} - -void add_boot_device_path(int32_t bootindex, DeviceState *dev, - const char *suffix) -{ - FWBootEntry *node, *i; - - if (bootindex < 0) { - del_boot_device_path(dev, suffix); - return; - } - - assert(dev != NULL || suffix != NULL); - - del_boot_device_path(dev, suffix); - - node = g_malloc0(sizeof(FWBootEntry)); - node->bootindex = bootindex; - node->suffix = g_strdup(suffix); - node->dev = dev; - - QTAILQ_FOREACH(i, &fw_boot_order, link) { - if (i->bootindex == bootindex) { - error_report("Two devices with same boot index %d", bootindex); - exit(1); - } else if (i->bootindex < bootindex) { - continue; - } - QTAILQ_INSERT_BEFORE(i, node, link); - return; - } - QTAILQ_INSERT_TAIL(&fw_boot_order, node, link); -} - -DeviceState *get_boot_device(uint32_t position) -{ - uint32_t counter = 0; - FWBootEntry *i = NULL; - DeviceState *res = NULL; - - if (!QTAILQ_EMPTY(&fw_boot_order)) { - QTAILQ_FOREACH(i, &fw_boot_order, link) { - if (counter == position) { - res = i->dev; - break; - } - counter++; - } - } - return res; -} - -/* - * This function returns null terminated string that consist of new line - * separated device paths. - * - * memory pointed by "size" is assigned total length of the array in bytes - * - */ -char *get_boot_devices_list(size_t *size, bool ignore_suffixes) -{ - FWBootEntry *i; - size_t total = 0; - char *list = NULL; - - QTAILQ_FOREACH(i, &fw_boot_order, link) { - char *devpath = NULL, *suffix = NULL; - char *bootpath; - char *d; - size_t len; - - if (i->dev) { - devpath = qdev_get_fw_dev_path(i->dev); - assert(devpath); - } - - if (!ignore_suffixes) { - if (i->dev) { - d = qdev_get_own_fw_dev_path_from_handler(i->dev->parent_bus, - i->dev); - if (d) { - assert(!i->suffix); - suffix = d; - } else { - suffix = g_strdup(i->suffix); - } - } else { - suffix = g_strdup(i->suffix); - } - } - - bootpath = g_strdup_printf("%s%s", - devpath ? devpath : "", - suffix ? suffix : ""); - g_free(devpath); - g_free(suffix); - - if (total) { - list[total-1] = '\n'; - } - len = strlen(bootpath) + 1; - list = g_realloc(list, total + len); - memcpy(&list[total], bootpath, len); - total += len; - g_free(bootpath); - } - - *size = total; - - if (boot_strict && *size > 0) { - list[total-1] = '\n'; - list = g_realloc(list, total + 5); - memcpy(&list[total], "HALT", 5); - *size = total + 5; - } - return list; -} - -typedef struct { - int32_t *bootindex; - const char *suffix; - DeviceState *dev; -} BootIndexProperty; - -static void device_get_bootindex(Object *obj, Visitor *v, const char *name, - void *opaque, Error **errp) -{ - BootIndexProperty *prop = opaque; - visit_type_int32(v, name, prop->bootindex, errp); -} - -static void device_set_bootindex(Object *obj, Visitor *v, const char *name, - void *opaque, Error **errp) -{ - BootIndexProperty *prop = opaque; - int32_t boot_index; - Error *local_err = NULL; - - visit_type_int32(v, name, &boot_index, &local_err); - if (local_err) { - goto out; - } - /* check whether bootindex is present in fw_boot_order list */ - check_boot_index(boot_index, &local_err); - if (local_err) { - goto out; - } - /* change bootindex to a new one */ - *prop->bootindex = boot_index; - - add_boot_device_path(*prop->bootindex, prop->dev, prop->suffix); - -out: - if (local_err) { - error_propagate(errp, local_err); - } -} - -static void property_release_bootindex(Object *obj, const char *name, - void *opaque) - -{ - BootIndexProperty *prop = opaque; - - del_boot_device_path(prop->dev, prop->suffix); - g_free(prop); -} - -void device_add_bootindex_property(Object *obj, int32_t *bootindex, - const char *name, const char *suffix, - DeviceState *dev, Error **errp) -{ - Error *local_err = NULL; - BootIndexProperty *prop = g_malloc0(sizeof(*prop)); - - prop->bootindex = bootindex; - prop->suffix = suffix; - prop->dev = dev; - - object_property_add(obj, name, "int32", - device_get_bootindex, - device_set_bootindex, - property_release_bootindex, - prop, &local_err); - - if (local_err) { - error_propagate(errp, local_err); - g_free(prop); - return; - } - /* initialize devices' bootindex property to -1 */ - object_property_set_int(obj, -1, name, NULL); -} |