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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH v14 17/17] PVH xen tools: libxl changes to create a PVH guest.
From: Mukesh Rathor <mukesh.rathor@xxxxxxxxxx>
Signed-off-by: Mukesh Rathor <mukesh.rathor@xxxxxxxxxx>
Signed-off-by: George Dunlap <george.dunlap@xxxxxxxxxxxxx>
---
v13 (gwd):
- Added XEN_DOMCTL_CDF_pvh_guest flag
CC: Ian Jackson <ian.jackson@xxxxxxxxxx>
CC: Ian Campbell <ian.campbell@xxxxxxxxxx>
---
docs/man/xl.cfg.pod.5 | 3 +++
tools/libxl/libxl.h | 6 ++++++
tools/libxl/libxl_create.c | 13 +++++++++++++
tools/libxl/libxl_dom.c | 3 +++
tools/libxl/libxl_internal.h | 1 +
tools/libxl/libxl_types.idl | 1 +
tools/libxl/libxl_x86.c | 4 +++-
tools/libxl/xl_cmdimpl.c | 1 +
8 files changed, 31 insertions(+), 1 deletion(-)
diff --git a/docs/man/xl.cfg.pod.5 b/docs/man/xl.cfg.pod.5
index 278dba1..e0b5290 100644
--- a/docs/man/xl.cfg.pod.5
+++ b/docs/man/xl.cfg.pod.5
@@ -653,6 +653,9 @@ if your particular guest kernel does not require this
behaviour then
it is safe to allow this to be enabled but you may wish to disable it
anyway.
+=item B<pvh=BOOLEAN>
+Selects whether to run this PV guest in an HVM container. Default is 0.
+
=back
=head2 Fully-virtualised (HVM) Guest Specific Options
diff --git a/tools/libxl/libxl.h b/tools/libxl/libxl.h
index 1c6675d..a214d77 100644
--- a/tools/libxl/libxl.h
+++ b/tools/libxl/libxl.h
@@ -369,6 +369,12 @@
*/
#define LIBXL_HAVE_DOMAIN_CREATE_RESTORE_PARAMS 1
+/*
+ * LIBXL_HAVE_CREATEINFO_PVH
+ * If this is defined, then libxl supports creation of a PVH guest.
+ */
+#define LIBXL_HAVE_CREATEINFO_PVH 1
+
/* Functions annotated with LIBXL_EXTERNAL_CALLERS_ONLY may not be
* called from within libxl itself. Callers outside libxl, who
* do not #include libxl_internal.h, are fine. */
diff --git a/tools/libxl/libxl_create.c b/tools/libxl/libxl_create.c
index 1b320d3..cc25329 100644
--- a/tools/libxl/libxl_create.c
+++ b/tools/libxl/libxl_create.c
@@ -33,6 +33,9 @@ int libxl__domain_create_info_setdefault(libxl__gc *gc,
if (c_info->type == LIBXL_DOMAIN_TYPE_HVM) {
libxl_defbool_setdefault(&c_info->hap, true);
libxl_defbool_setdefault(&c_info->oos, true);
+ } else {
+ libxl_defbool_setdefault(&c_info->pvh, false);
+ libxl_defbool_setdefault(&c_info->hap, libxl_defbool_val(c_info->pvh));
}
libxl_defbool_setdefault(&c_info->run_hotplug_scripts, true);
@@ -352,6 +355,8 @@ int libxl__domain_build(libxl__gc *gc,
break;
case LIBXL_DOMAIN_TYPE_PV:
+ state->pvh_enabled = libxl_defbool_val(d_config->c_info.pvh);
+
ret = libxl__build_pv(gc, domid, info, state);
if (ret)
goto out;
@@ -411,6 +416,14 @@ int libxl__domain_make(libxl__gc *gc,
libxl_domain_create_info *info,
flags |= XEN_DOMCTL_CDF_hvm_guest;
flags |= libxl_defbool_val(info->hap) ? XEN_DOMCTL_CDF_hap : 0;
flags |= libxl_defbool_val(info->oos) ? 0 : XEN_DOMCTL_CDF_oos_off;
+ } else if ( libxl_defbool_val(info->pvh) ) {
+ flags |= XEN_DOMCTL_CDF_pvh_guest;
+ if ( !libxl_defbool_val(info->hap) ) {
+ LOG(ERROR, "HAP must be on for PVH");
+ rc = ERROR_INVAL;
+ goto out;
+ }
+ flags |= XEN_DOMCTL_CDF_hap;
}
*domid = -1;
diff --git a/tools/libxl/libxl_dom.c b/tools/libxl/libxl_dom.c
index 1812bdc..301d29b 100644
--- a/tools/libxl/libxl_dom.c
+++ b/tools/libxl/libxl_dom.c
@@ -348,7 +348,10 @@ int libxl__build_pv(libxl__gc *gc, uint32_t domid,
return ERROR_FAIL;
}
+ dom->pvh_enabled = state->pvh_enabled;
+
LOG(DEBUG, "pv kernel mapped %d path %s", state->pv_kernel.mapped,
state->pv_kernel.path);
+
if (state->pv_kernel.mapped) {
ret = xc_dom_kernel_mem(dom,
state->pv_kernel.data,
diff --git a/tools/libxl/libxl_internal.h b/tools/libxl/libxl_internal.h
index 4f92522..79bc9c7 100644
--- a/tools/libxl/libxl_internal.h
+++ b/tools/libxl/libxl_internal.h
@@ -886,6 +886,7 @@ typedef struct {
libxl__file_reference pv_kernel;
libxl__file_reference pv_ramdisk;
const char * pv_cmdline;
+ bool pvh_enabled;
} libxl__domain_build_state;
_hidden int libxl__build_pre(libxl__gc *gc, uint32_t domid,
diff --git a/tools/libxl/libxl_types.idl b/tools/libxl/libxl_types.idl
index 5c43d6f..a189db3 100644
--- a/tools/libxl/libxl_types.idl
+++ b/tools/libxl/libxl_types.idl
@@ -257,6 +257,7 @@ libxl_domain_create_info = Struct("domain_create_info",[
("platformdata", libxl_key_value_list),
("poolid", uint32),
("run_hotplug_scripts",libxl_defbool),
+ ("pvh", libxl_defbool),
], dir=DIR_IN)
libxl_domain_restore_params = Struct("domain_restore_params", [
diff --git a/tools/libxl/libxl_x86.c b/tools/libxl/libxl_x86.c
index a78c91d..87a8110 100644
--- a/tools/libxl/libxl_x86.c
+++ b/tools/libxl/libxl_x86.c
@@ -290,7 +290,9 @@ int libxl__arch_domain_create(libxl__gc *gc,
libxl_domain_config *d_config,
if (rtc_timeoffset)
xc_domain_set_time_offset(ctx->xch, domid, rtc_timeoffset);
- if (d_config->b_info.type == LIBXL_DOMAIN_TYPE_HVM) {
+ if (d_config->b_info.type == LIBXL_DOMAIN_TYPE_HVM ||
+ libxl_defbool_val(d_config->c_info.pvh)) {
+
unsigned long shadow;
shadow = (d_config->b_info.shadow_memkb + 1023) / 1024;
xc_shadow_control(ctx->xch, domid,
XEN_DOMCTL_SHADOW_OP_SET_ALLOCATION, NULL, 0, &shadow, 0, NULL);
diff --git a/tools/libxl/xl_cmdimpl.c b/tools/libxl/xl_cmdimpl.c
index 40feb7d..ba2b97f 100644
--- a/tools/libxl/xl_cmdimpl.c
+++ b/tools/libxl/xl_cmdimpl.c
@@ -642,6 +642,7 @@ static void parse_config_data(const char *config_source,
!strncmp(buf, "hvm", strlen(buf)))
c_info->type = LIBXL_DOMAIN_TYPE_HVM;
+ xlu_cfg_get_defbool(config, "pvh", &c_info->pvh, 0);
xlu_cfg_get_defbool(config, "hap", &c_info->hap, 0);
if (xlu_cfg_replace_string (config, "name", &c_info->name, 0)) {
--
1.7.9.5
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