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hw/xen: Add xenstore operations to allow redirection to internal emulation

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Signed-off-by: Paul Durrant <pdurrant@amazon.com>
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Paul Durrant <paul@xen.org>
This commit is contained in:
Paul Durrant 2023-01-02 11:05:16 +00:00 • committed by David Woodhouse
parent 15e283c5b6
commit ba2a92db1f
18 changed files with 532 additions and 416 deletions
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11
accel/xen/xen-all.c
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@ -90,12 +90,15 @@ void xenstore_store_pv_console_info(int i, Chardev *chr)
}
static void xenstore_record_dm_state(struct xs_handle *xs, const char *state)
static void xenstore_record_dm_state(const char *state)
{
struct xs_handle *xs;
char path[50];
/* We now have everything we need to set the xenstore entry. */
xs = xs_open(0);
if (xs == NULL) {
error_report("xenstore connection not initialized");
fprintf(stderr, "Could not contact XenStore\n");
exit(1);
}
@ -109,6 +112,8 @@ static void xenstore_record_dm_state(struct xs_handle *xs, const char *state)
error_report("error recording dm state");
exit(1);
}
xs_close(xs);
}
@ -117,7 +122,7 @@ static void xen_change_state_handler(void *opaque, bool running,
{
if (running) {
/* record state running */
xenstore_record_dm_state(xenstore, "running");
xenstore_record_dm_state("running");
}
}