From 7e0fd117e73fde58fe1ddb2fd4bd56108d2918a1 Mon Sep 17 00:00:00 2001 From: Daniel De Graaf Date: Thu, 9 Feb 2012 18:33:35 +0000 Subject: xenstored: add --event parameter for bootstrapping When xenstored is run in a minios domain, it needs a bootstrap connection to dom0 so that additional domain introduce messages can be sent to it. Signed-off-by: Daniel De Graaf Acked-by: Ian Campbell Cc: Ian Jackson Cc: Stefano Stabellini Committed-by: Ian Jackson --- tools/xenstore/xenstored_core.c | 5 +++++ tools/xenstore/xenstored_core.h | 3 +++ tools/xenstore/xenstored_domain.c | 2 +- tools/xenstore/xenstored_minios.c | 6 ++++-- 4 files changed, 13 insertions(+), 3 deletions(-) (limited to 'tools/xenstore') diff --git a/tools/xenstore/xenstored_core.c b/tools/xenstore/xenstored_core.c index a762db714f..40e2fc0c8b 100644 --- a/tools/xenstore/xenstored_core.c +++ b/tools/xenstore/xenstored_core.c @@ -1749,6 +1749,7 @@ static struct option options[] = { { "no-domain-init", 0, NULL, 'D' }, { "entry-nb", 1, NULL, 'E' }, { "pid-file", 1, NULL, 'F' }, + { "event", 1, NULL, 'e' }, { "help", 0, NULL, 'H' }, { "no-fork", 0, NULL, 'N' }, { "output-pid", 0, NULL, 'P' }, @@ -1763,6 +1764,7 @@ static struct option options[] = { { NULL, 0, NULL, 0 } }; extern void dump_conn(struct connection *conn); +int dom0_event = 0; int main(int argc, char *argv[]) { @@ -1820,6 +1822,9 @@ int main(int argc, char *argv[]) case 'W': quota_nb_watch_per_domain = strtol(optarg, NULL, 10); break; + case 'e': + dom0_event = strtol(optarg, NULL, 10); + break; } } if (optind != argc) diff --git a/tools/xenstore/xenstored_core.h b/tools/xenstore/xenstored_core.h index f0749551be..e1c2be7a48 100644 --- a/tools/xenstore/xenstored_core.h +++ b/tools/xenstore/xenstored_core.h @@ -168,6 +168,7 @@ void trace(const char *fmt, ...); void dtrace_io(const struct connection *conn, const struct buffered_data *data, int out); extern int event_fd; +extern int dom0_event; /* Map the kernel's xenstore page. */ void *xenbus_map(void); @@ -190,6 +191,8 @@ void finish_daemonize(void); /* Open a pipe for signal handling */ void init_pipe(int reopen_log_pipe[2]); +xc_gnttab **xcg_handle; + #endif /* _XENSTORED_CORE_H */ /* diff --git a/tools/xenstore/xenstored_domain.c b/tools/xenstore/xenstored_domain.c index 62069612b7..558e5cbc59 100644 --- a/tools/xenstore/xenstored_domain.c +++ b/tools/xenstore/xenstored_domain.c @@ -35,7 +35,7 @@ #include static xc_interface **xc_handle; -static xc_gnttab **xcg_handle; +xc_gnttab **xcg_handle; static evtchn_port_t virq_port; xc_evtchn *xce_handle = NULL; diff --git a/tools/xenstore/xenstored_minios.c b/tools/xenstore/xenstored_minios.c index c8700baa58..1c6f794d39 100644 --- a/tools/xenstore/xenstored_minios.c +++ b/tools/xenstore/xenstored_minios.c @@ -46,15 +46,17 @@ void xenbus_notify_running(void) evtchn_port_t xenbus_evtchn(void) { - return -1; + return dom0_event; } void *xenbus_map(void) { - return NULL; + return xc_gnttab_map_grant_ref(*xcg_handle, 0, + GNTTAB_RESERVED_XENSTORE, PROT_READ|PROT_WRITE); } void unmap_xenbus(void *interface) { + xc_gnttab_munmap(*xcg_handle, interface, 1); } -- cgit v1.2.3