[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [XEN PATCH 3/7] tools: add a late_init argument to xs_introduce_domain
From: Luca Miccio <lucmiccio@xxxxxxxxx> Add a late_init argument to xs_introduce_domain to handle dom0less guests whose xenstore interfaces are initialized after boot. This patch mechanically adds the new parameter; it doesn't change behaviors. Signed-off-by: Luca Miccio <lucmiccio@xxxxxxxxx> Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxx> CC: wl@xxxxxxx CC: anthony.perard@xxxxxxxxxx CC: jgross@xxxxxxxx CC: marmarek@xxxxxxxxxxxxxxxxxxxxxx --- tools/include/xenstore.h | 3 ++- tools/libs/light/libxl_dom.c | 3 ++- tools/libs/store/xs.c | 8 ++++++-- tools/python/xen/lowlevel/xs/xs.c | 2 +- 4 files changed, 11 insertions(+), 5 deletions(-) diff --git a/tools/include/xenstore.h b/tools/include/xenstore.h index 2b3f69fb61..1a302b5ff9 100644 --- a/tools/include/xenstore.h +++ b/tools/include/xenstore.h @@ -226,7 +226,8 @@ bool xs_transaction_end(struct xs_handle *h, xs_transaction_t t, bool xs_introduce_domain(struct xs_handle *h, unsigned int domid, unsigned long mfn, - unsigned int eventchn); + unsigned int eventchn, + bool late_init); /* Set the target of a domain * This tells the store daemon that a domain is targetting another one, so diff --git a/tools/libs/light/libxl_dom.c b/tools/libs/light/libxl_dom.c index 2abaab439c..bacfdfa9df 100644 --- a/tools/libs/light/libxl_dom.c +++ b/tools/libs/light/libxl_dom.c @@ -497,7 +497,8 @@ retry_transaction: if (!xs_transaction_end(ctx->xsh, t, 0)) if (errno == EAGAIN) goto retry_transaction; - xs_introduce_domain(ctx->xsh, domid, state->store_mfn, state->store_port); + xs_introduce_domain(ctx->xsh, domid, state->store_mfn, state->store_port, + false); free(vm_path); return 0; } diff --git a/tools/libs/store/xs.c b/tools/libs/store/xs.c index 7a9a8b1656..dd47d607fd 100644 --- a/tools/libs/store/xs.c +++ b/tools/libs/store/xs.c @@ -1089,16 +1089,18 @@ bool xs_transaction_end(struct xs_handle *h, xs_transaction_t t, */ bool xs_introduce_domain(struct xs_handle *h, unsigned int domid, unsigned long mfn, - unsigned int eventchn) + unsigned int eventchn, bool late_init) { char domid_str[MAX_STRLEN(domid)]; char mfn_str[MAX_STRLEN(mfn)]; char eventchn_str[MAX_STRLEN(eventchn)]; - struct iovec iov[3]; + char late_init_str[MAX_STRLEN(late_init)]; + struct iovec iov[4]; snprintf(domid_str, sizeof(domid_str), "%u", domid); snprintf(mfn_str, sizeof(mfn_str), "%lu", mfn); snprintf(eventchn_str, sizeof(eventchn_str), "%u", eventchn); + snprintf(late_init_str, sizeof(late_init_str), "%u", late_init); iov[0].iov_base = domid_str; iov[0].iov_len = strlen(domid_str) + 1; @@ -1106,6 +1108,8 @@ bool xs_introduce_domain(struct xs_handle *h, iov[1].iov_len = strlen(mfn_str) + 1; iov[2].iov_base = eventchn_str; iov[2].iov_len = strlen(eventchn_str) + 1; + iov[3].iov_base = late_init_str; + iov[3].iov_len = strlen(late_init_str) + 1; return xs_bool(xs_talkv(h, XBT_NULL, XS_INTRODUCE, iov, ARRAY_SIZE(iov), NULL)); diff --git a/tools/python/xen/lowlevel/xs/xs.c b/tools/python/xen/lowlevel/xs/xs.c index 0dad7fa5f2..dc667fb231 100644 --- a/tools/python/xen/lowlevel/xs/xs.c +++ b/tools/python/xen/lowlevel/xs/xs.c @@ -678,7 +678,7 @@ static PyObject *xspy_introduce_domain(XsHandle *self, PyObject *args) return NULL; Py_BEGIN_ALLOW_THREADS - result = xs_introduce_domain(xh, dom, page, port); + result = xs_introduce_domain(xh, dom, page, port, false); Py_END_ALLOW_THREADS return none(result); -- 2.25.1
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