[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH V13 16/17] xen: Set running state in xenstore.
From: |
anthony.perard |
Subject: |
[Qemu-devel] [PATCH V13 16/17] xen: Set running state in xenstore. |
Date: |
Mon, 18 Apr 2011 12:37:16 +0100 |
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 e849a38..19c2fe1 100644
--- a/xen-all.c
+++ b/xen-all.c
@@ -64,6 +64,8 @@ typedef struct XenIOState {
/* which vcpu we are serving */
int send_vcpu;
+ struct xs_handle *xenstore;
+
Notifier exit;
} XenIOState;
@@ -450,6 +452,17 @@ 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_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;
@@ -465,6 +478,9 @@ 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");
}
@@ -483,6 +499,7 @@ static void xen_exit_notifier(Notifier *n)
XenIOState *state = container_of(n, XenIOState, exit);
xc_evtchn_close(state->xce_handle);
+ xs_daemon_close(state->xenstore);
}
int xen_init(void)
@@ -510,6 +527,12 @@ int xen_hvm_init(void)
return -errno;
}
+ state->xenstore = xs_daemon_open();
+ if (state->xenstore == NULL) {
+ perror("xen: xenstore open");
+ return -errno;
+ }
+
state->exit.notify = xen_exit_notifier;
qemu_add_exit_notifier(&state->exit);
--
1.7.2.3
- [Qemu-devel] [PATCH V13 03/17] xen: Support new libxc calls from xen unstable., (continued)
- [Qemu-devel] [PATCH V13 03/17] xen: Support new libxc calls from xen unstable., anthony.perard, 2011/04/18
- [Qemu-devel] [PATCH V13 04/17] xen: Add initialisation of Xen, anthony.perard, 2011/04/18
- [Qemu-devel] [PATCH V13 08/17] xen: Introduce Xen Interrupt Controller, anthony.perard, 2011/04/18
- [Qemu-devel] [PATCH V13 07/17] piix_pci: Introduces Xen specific call for irq., anthony.perard, 2011/04/18
- [Qemu-devel] [PATCH V13 09/17] xen: Introduce the Xen mapcache, anthony.perard, 2011/04/18
- [Qemu-devel] [PATCH V13 10/17] xen: Adds a cap to the number of map cache entries., anthony.perard, 2011/04/18
- [Qemu-devel] [PATCH V13 11/17] Introduce qemu_put_ram_ptr, anthony.perard, 2011/04/18
- [Qemu-devel] [PATCH V13 13/17] pci: Use of qemu_put_ram_ptr in pci_add_option_rom., anthony.perard, 2011/04/18
- [Qemu-devel] [PATCH V13 17/17] xen: Add Xen hypercall for sleep state in the cmos_s3 callback., anthony.perard, 2011/04/18
- [Qemu-devel] [PATCH V13 15/17] xen: Initialize event channels and io rings, anthony.perard, 2011/04/18
- [Qemu-devel] [PATCH V13 16/17] xen: Set running state in xenstore.,
anthony.perard <=
- [Qemu-devel] [PATCH V13 12/17] configure: Always use 64bits target physical addresses with xen enabled., anthony.perard, 2011/04/18
- [Qemu-devel] [PATCH V13 14/17] vl.c: Introduce getter for shutdown_requested and reset_requested., anthony.perard, 2011/04/18