On 14.12.21 11:34, Oleksii Moisieiev wrote:
Hi Oleksii
This enumeration sets SCI type for the domain. Currently there is
two possible options: either 'none' or 'scmi_smc'.
'none' is the default value and it disables SCI support at all.
'scmi_smc' enables access to the Firmware from the domains using SCMI
protocol and SMC as transport.
Signed-off-by: Oleksii Moisieiev <oleksii_moisie...@epam.com>
---
docs/man/xl.cfg.5.pod.in | 22 ++++++++++++++++++++++
tools/include/libxl.h | 5 +++++
tools/libs/light/libxl_types.idl | 6 ++++++
tools/xl/xl_parse.c | 9 +++++++++
4 files changed, 42 insertions(+)
diff --git a/docs/man/xl.cfg.5.pod.in b/docs/man/xl.cfg.5.pod.in
index b98d161398..92d0593875 100644
--- a/docs/man/xl.cfg.5.pod.in
+++ b/docs/man/xl.cfg.5.pod.in
@@ -1614,6 +1614,28 @@ This feature is a B<technology preview>.
=back
+=item B<sci="STRING">
+
+B<Arm only> Set SCI type for the guest. SCI is System Control Protocol -
+allows domain to manage various functions that are provided by HW platform.
+
+=over 4
+
+=item B<none>
+
+Don't allow guest to use SCI if present on the platform. This is the default
+value.
+
+=item B<scmi_smc>
+
+Enables SCMI-SMC support for the guest. SCMI is System Control Management
+Inferface - allows domain to manage various functions that are provided by HW
+platform, such as clocks, resets and power-domains. Xen will mediate access to
+clocks, power-domains and resets between Domains and ATF. Disabled by default.
+SMC is used as transport.
+
+=back
+
=back
=head2 Paravirtualised (PV) Guest Specific Options
diff --git a/tools/include/libxl.h b/tools/include/libxl.h
index 2bbbd21f0b..30e5aee119 100644
--- a/tools/include/libxl.h
+++ b/tools/include/libxl.h
@@ -278,6 +278,11 @@
*/
#define LIBXL_HAVE_BUILDINFO_ARCH_ARM_TEE 1
+/*
+ * libxl_domain_build_info has the arch_arm.sci field.
+ */
+#define LIBXL_HAVE_BUILDINFO_ARCH_ARM_SCI 1
+
/*
* LIBXL_HAVE_SOFT_RESET indicates that libxl supports performing
* 'soft reset' for domains and there is 'soft_reset' shutdown reason
diff --git a/tools/libs/light/libxl_types.idl b/tools/libs/light/libxl_types.idl
index 2a42da2f7d..9067b509f4 100644
--- a/tools/libs/light/libxl_types.idl
+++ b/tools/libs/light/libxl_types.idl
I assume that at least goland bindings want updating.
@@ -480,6 +480,11 @@ libxl_tee_type = Enumeration("tee_type", [
(1, "optee")
], init_val = "LIBXL_TEE_TYPE_NONE")
+libxl_sci_type = Enumeration("sci_type", [
+ (0, "none"),
+ (1, "scmi_smc")
+ ], init_val = "LIBXL_SCI_TYPE_NONE")
+
libxl_rdm_reserve = Struct("rdm_reserve", [
("strategy", libxl_rdm_reserve_strategy),
("policy", libxl_rdm_reserve_policy),
@@ -564,6 +569,7 @@ libxl_domain_build_info = Struct("domain_build_info",[
("apic", libxl_defbool),
("dm_restrict", libxl_defbool),
("tee", libxl_tee_type),
+ ("sci", libxl_sci_type),
("u", KeyedUnion(None, libxl_domain_type, "type",
[("hvm", Struct(None, [("firmware", string),
("bios", libxl_bios_type),
diff --git a/tools/xl/xl_parse.c b/tools/xl/xl_parse.c
index 117fcdcb2b..c37bf6298b 100644
--- a/tools/xl/xl_parse.c
+++ b/tools/xl/xl_parse.c
@@ -2747,6 +2747,15 @@ skip_usbdev:
}
}
+ if (!xlu_cfg_get_string (config, "sci", &buf, 1)) {
+ e = libxl_sci_type_from_string(buf, &b_info->sci);
+ if (e) {
+ fprintf(stderr,
+ "Unknown sci \"%s\" specified\n", buf);
+ exit(-ERROR_FAIL);
+ }
+ }
+
parse_vkb_list(config, d_config);
xlu_cfg_get_defbool(config, "xend_suspend_evtchn_compat",
--
Regards,
Oleksandr Tyshchenko
