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[Qemu-devel] [PATCH V10 14/15] xen: Set running state in xenstore.
From: |
anthony . perard |
Subject: |
[Qemu-devel] [PATCH V10 14/15] xen: Set running state in xenstore. |
Date: |
Wed, 2 Feb 2011 14:49:31 +0000 |
From: Anthony PERARD <address@hidden>
This tells to the xen management tool that the machine can begin run.
Signed-off-by: Anthony PERARD <address@hidden>
Acked-by: Alexander Graf <address@hidden>
---
xen-all.c | 23 +++++++++++++++++++++++
1 files changed, 23 insertions(+), 0 deletions(-)
diff --git a/xen-all.c b/xen-all.c
index 592bcaf..5892bd8 100644
--- a/xen-all.c
+++ b/xen-all.c
@@ -57,6 +57,8 @@ typedef struct XenIOState {
/* which vcpu we are serving */
int send_vcpu;
+ struct xs_handle *xenstore;
+
Notifier exit;
} XenIOState;
@@ -425,6 +427,17 @@ static void cpu_handle_ioreq(void *opaque)
}
}
+static void xenstore_record_dm_state(XenIOState *s, const char *state)
+{
+ char path[50];
+
+ snprintf(path, sizeof (path), "/local/domain/0/device-model/%u/state",
xen_domid);
+ if (!xs_ops.write(s->xenstore, XBT_NULL, path, state, strlen(state))) {
+ fprintf(stderr, "error recording dm state\n");
+ exit(1);
+ }
+}
+
static void xen_main_loop_prepare(XenIOState *state)
{
int evtchn_fd = -1;
@@ -440,6 +453,9 @@ static void xen_main_loop_prepare(XenIOState *state)
if (evtchn_fd != -1) {
qemu_set_fd_handler(evtchn_fd, cpu_handle_ioreq, NULL, state);
}
+
+ /* record state running */
+ xenstore_record_dm_state(state, "running");
}
@@ -458,6 +474,7 @@ static void xen_exit_notifier(Notifier *n)
XenIOState *state = container_of(n, XenIOState, exit);
xc_evtchn_ops.close(state->xce_handle);
+ xs_ops.daemon_close(state->xenstore);
}
int xen_init(int smp_cpus)
@@ -484,6 +501,12 @@ int xen_init(int smp_cpus)
return -errno;
}
+ state->xenstore = xs_ops.daemon_open();
+ if (state->xenstore == NULL) {
+ perror("xen: xenstore open");
+ return -errno;
+ }
+
state->exit.notify = xen_exit_notifier;
qemu_add_exit_notifier(&state->exit);
--
1.7.1
- Re: [Qemu-devel] [PATCH V10 07/15] piix_pci: Introduces Xen specific call for irq., (continued)
- [Qemu-devel] [PATCH V10 08/15] xen: Introduce Xen Interrupt Controller, anthony . perard, 2011/02/02
- [Qemu-devel] [PATCH V10 12/15] vl.c: Introduce getter for shutdown_requested and reset_requested., anthony . perard, 2011/02/02
- [Qemu-devel] [PATCH V10 11/15] Introduce qemu_put_ram_ptr, anthony . perard, 2011/02/02
- [Qemu-devel] [PATCH V10 15/15] xen: Add Xen hypercall for sleep state in the cmos_s3 callback., anthony . perard, 2011/02/02
- [Qemu-devel] [PATCH V10 03/15] xen: Support new libxc calls from xen unstable., anthony . perard, 2011/02/02
[Qemu-devel] [PATCH V10 14/15] xen: Set running state in xenstore.,
anthony . perard <=
[Qemu-devel] [PATCH V10 13/15] xen: Initialize event channels and io rings, anthony . perard, 2011/02/02
[Qemu-devel] [PATCH V10 10/15] configure: Always use 64bits target physical addresses with xen enabled., anthony . perard, 2011/02/02
[Qemu-devel] [PATCH V10 06/15] xen: Add the Xen platform pci device, anthony . perard, 2011/02/02
[Qemu-devel] [PATCH V10 09/15] xen: Introduce the Xen mapcache, anthony . perard, 2011/02/02
[Qemu-devel] [PATCH V10 01/15] xen: Replace some tab-indents with spaces (clean-up)., anthony . perard, 2011/02/02