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charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: epam.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: PA4PR03MB7136.eurprd03.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 0f4502bb-2d5e-491a-a663-08d9bee4ed06 X-MS-Exchange-CrossTenant-originalarrivaltime: 14 Dec 2021 09:34:28.7467 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: b41b72d0-4e9f-4c26-8a69-f949f367c91d X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: r7YxAtrBr9WWk+vi/f6p0876oeSKYUkkyMVot8BKyQm4wFjFqtC+Wd10LtwjYqKSMEMhAOe1rUOCFOL8THi6VPguFrXzB6lcx54nNaKwSKc= X-MS-Exchange-Transport-CrossTenantHeadersStamped: PA4PR03MB6976 X-Proofpoint-ORIG-GUID: R9AhTlzDXLwOEHHLJle-r0h0shZq5sZ4 X-Proofpoint-GUID: R9AhTlzDXLwOEHHLJle-r0h0shZq5sZ4 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.790,Hydra:6.0.425,FMLib:17.11.62.513 definitions=2021-12-14_05,2021-12-13_01,2021-12-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 mlxscore=0 bulkscore=0 malwarescore=0 clxscore=1015 lowpriorityscore=0 phishscore=0 priorityscore=1501 suspectscore=0 mlxlogscore=999 spamscore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2110150000 definitions=main-2112140054 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 --- 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. =20 =3Dback =20 +=3Ditem B + +B Set SCI type for the guest. SCI is System Control Protocol - +allows domain to manage various functions that are provided by HW platform= . + +=3Dover 4 + +=3Ditem B + +Don't allow guest to use SCI if present on the platform. This is the defau= lt +value. + +=3Ditem B + +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 acces= s to +clocks, power-domains and resets between Domains and ATF. Disabled by defa= ult. +SMC is used as transport. + +=3Dback + =3Dback =20 =3Dhead2 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 =20 +/* + * 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_type= s.idl index 2a42da2f7d..9067b509f4 100644 --- a/tools/libs/light/libxl_types.idl +++ b/tools/libs/light/libxl_types.idl @@ -480,6 +480,11 @@ libxl_tee_type =3D Enumeration("tee_type", [ (1, "optee") ], init_val =3D "LIBXL_TEE_TYPE_NONE") =20 +libxl_sci_type =3D Enumeration("sci_type", [ + (0, "none"), + (1, "scmi_smc") + ], init_val =3D "LIBXL_SCI_TYPE_NONE") + libxl_rdm_reserve =3D Struct("rdm_reserve", [ ("strategy", libxl_rdm_reserve_strategy), ("policy", libxl_rdm_reserve_policy), @@ -564,6 +569,7 @@ libxl_domain_build_info =3D 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_typ= e), 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: } } =20 + if (!xlu_cfg_get_string (config, "sci", &buf, 1)) { + e =3D 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); =20 xlu_cfg_get_defbool(config, "xend_suspend_evtchn_compat", --=20 2.27.0