qemu-char: convert null backend to data-driven creation
Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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@ -383,7 +383,10 @@ static int null_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
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return len;
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return len;
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}
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}
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static CharDriverState *qemu_chr_open_null(void)
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static CharDriverState *qemu_chr_open_null(const char *id,
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ChardevBackend *backend,
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ChardevReturn *ret,
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Error **errp)
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{
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{
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CharDriverState *chr;
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CharDriverState *chr;
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@ -4294,7 +4297,7 @@ ChardevReturn *qmp_chardev_add(const char *id, ChardevBackend *backend,
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abort();
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abort();
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break;
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break;
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case CHARDEV_BACKEND_KIND_NULL:
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case CHARDEV_BACKEND_KIND_NULL:
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chr = qemu_chr_open_null();
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abort();
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break;
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break;
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case CHARDEV_BACKEND_KIND_MUX:
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case CHARDEV_BACKEND_KIND_MUX:
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base = qemu_chr_find(backend->mux->chardev);
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base = qemu_chr_find(backend->mux->chardev);
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@ -4397,7 +4400,7 @@ void qmp_chardev_remove(const char *id, Error **errp)
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static void register_types(void)
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static void register_types(void)
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{
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{
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register_char_driver("null", CHARDEV_BACKEND_KIND_NULL, NULL,
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register_char_driver("null", CHARDEV_BACKEND_KIND_NULL, NULL,
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NULL);
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qemu_chr_open_null);
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register_char_driver("socket", CHARDEV_BACKEND_KIND_SOCKET,
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register_char_driver("socket", CHARDEV_BACKEND_KIND_SOCKET,
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qemu_chr_parse_socket, qmp_chardev_open_socket);
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qemu_chr_parse_socket, qmp_chardev_open_socket);
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register_char_driver("udp", CHARDEV_BACKEND_KIND_UDP, qemu_chr_parse_udp,
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register_char_driver("udp", CHARDEV_BACKEND_KIND_UDP, qemu_chr_parse_udp,
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