mirror of
https://github.com/clearlinux/kvmtool.git
synced 2026-06-15 18:05:49 +00:00
Asias He
27cead0dd2
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Before:
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*** Compatibility Warning ***
virtio-blk device was not detected
While you have requested a virtio-blk device, the guest kernel did not initialize it.
Please make sure that the guest kernel was compiled with CONFIG_VIRTIO_BLK=y enabled in its .config
*** Compatibility Warning ***
virtio-net device was not detected
While you have requested a virtio-net device, the guest kernel did not initialize it.
Please make sure that the guest kernel was compiled with CONFIG_VIRTIO_NET=y enabled in its .config
# KVM session ended normally.
---------
After:
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# KVM compatibility warning.
virtio-blk device was not detected.
While you have requested a virtio-blk device, the guest kernel did not initialize it.
Please make sure that the guest kernel was compiled with CONFIG_VIRTIO_BLK=y enabled in .config.
# KVM compatibility warning.
virtio-net device was not detected.
While you have requested a virtio-net device, the guest kernel did not initialize it.
Please make sure that the guest kernel was compiled with CONFIG_VIRTIO_NET=y enabled in .config.
# KVM session ended normally.
Signed-off-by: Asias He <asias.hejun@gmail.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
100 lines
1.5 KiB
C
100 lines
1.5 KiB
C
#include "kvm/guest_compat.h"
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#include "kvm/mutex.h"
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#include <linux/kernel.h>
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#include <linux/list.h>
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struct compat_message {
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int id;
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char *title;
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char *desc;
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struct list_head list;
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};
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static int id;
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static DEFINE_MUTEX(compat_mtx);
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static LIST_HEAD(messages);
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static void compat__free(struct compat_message *msg)
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{
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free(msg->title);
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free(msg->desc);
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free(msg);
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}
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int compat__add_message(const char *title, const char *desc)
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{
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struct compat_message *msg;
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int msg_id;
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msg = malloc(sizeof(*msg));
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if (msg == NULL)
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goto cleanup;
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msg->title = strdup(title);
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msg->desc = strdup(desc);
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if (msg->title == NULL || msg->desc == NULL)
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goto cleanup;
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mutex_lock(&compat_mtx);
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msg->id = msg_id = id++;
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list_add_tail(&msg->list, &messages);
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mutex_unlock(&compat_mtx);
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return msg_id;
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cleanup:
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if (msg)
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compat__free(msg);
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return -ENOMEM;
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}
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int compat__remove_message(int id)
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{
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struct compat_message *pos, *n;
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mutex_lock(&compat_mtx);
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list_for_each_entry_safe(pos, n, &messages, list) {
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if (pos->id == id) {
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list_del(&pos->list);
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compat__free(pos);
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mutex_unlock(&compat_mtx);
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return 0;
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}
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}
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mutex_unlock(&compat_mtx);
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return -ENOENT;
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}
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int compat__print_all_messages(void)
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{
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mutex_lock(&compat_mtx);
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while (!list_empty(&messages)) {
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struct compat_message *msg;
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msg = list_first_entry(&messages, struct compat_message, list);
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printf("\n # KVM compatibility warning.\n\t%s\n\t%s\n",
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msg->title, msg->desc);
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list_del(&msg->list);
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compat__free(msg);
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}
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mutex_unlock(&compat_mtx);
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return 0;
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}
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