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https://github.com/xen-project/xen.git
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Juergen Gross
1a25da88a7
Split up tools/helpers/xen-init-dom0.c in order to prepare reusing generation of the json configuration by init-xenstore-domain.c. Signed-off-by: Juergen Gross <jgross@suse.com> Acked-by: Ian Campbell <ian.campbell@citrix.com>
68 lines
1.5 KiB
C
68 lines
1.5 KiB
C
#include <stdlib.h>
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#include <stdint.h>
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#include <string.h>
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#include <stdio.h>
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#include <xenstore.h>
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#include "init-dom-json.h"
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#define DOMNAME_PATH "/local/domain/0/name"
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#define DOMID_PATH "/local/domain/0/domid"
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int main(int argc, char **argv)
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{
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int rc;
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struct xs_handle *xsh;
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char *domname_string = NULL, *domid_string = NULL;
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xsh = xs_open(0);
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if (!xsh) {
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fprintf(stderr, "cannot open xenstore connection\n");
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exit(1);
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}
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/* Sanity check: this program can only be run once. */
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domid_string = xs_read(xsh, XBT_NULL, DOMID_PATH, NULL);
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domname_string = xs_read(xsh, XBT_NULL, DOMNAME_PATH, NULL);
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if (domid_string && domname_string) {
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fprintf(stderr, "Dom0 is already set up\n");
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rc = 0;
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goto out;
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}
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rc = gen_stub_json_config(0);
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if (rc)
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goto out;
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/* Write xenstore entries. */
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if (!xs_write(xsh, XBT_NULL, DOMID_PATH, "0", strlen("0"))) {
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fprintf(stderr, "cannot set domid for Dom0\n");
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rc = 1;
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goto out;
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}
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if (!xs_write(xsh, XBT_NULL, DOMNAME_PATH, "Domain-0",
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strlen("Domain-0"))) {
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fprintf(stderr, "cannot set domain name for Dom0\n");
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rc = 1;
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goto out;
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}
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printf("Done setting up Dom0\n");
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out:
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free(domid_string);
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free(domname_string);
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xs_close(xsh);
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return rc;
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}
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/*
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* Local variables:
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* mode: C
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* c-basic-offset: 4
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* indent-tabs-mode: nil
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* End:
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*/
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