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Mon, 12 Sep 2022 05:24:07 -0700 (PDT) From: Jason Andryuk To: xen-devel@lists.xenproject.org Cc: Jason Andryuk , George Dunlap , Nick Rosbrook , Wei Liu , Anthony PERARD Subject: [PATCH v3 1/3] golang/xenlight: Extend KeyedUnion to support Arrays Date: Mon, 12 Sep 2022 08:22:35 -0400 Message-Id: <20220912122237.5431-2-jandryuk@gmail.com> X-Mailer: git-send-email 2.37.3 In-Reply-To: <20220912122237.5431-1-jandryuk@gmail.com> References: <20220912122237.5431-1-jandryuk@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1662985481015100001 Content-Type: text/plain; charset="utf-8" Generation for KeyedUnion types doesn't support Arrays. The smbios support will place an smbios array inside the hvm KeyedUnion, and gentotypes doesn't generate buildable Go code. Have KeyedUnion add an idl.Array check and issue the approriate xenlight_golang_array_to_C and xenlight_golang_array_from_C calls when needed. This matches how it is done in xenlight_golang_define_to_C & xenlight_golang_define_from_C xenlight_golang_array_to_C and xenlight_golang_array_from_C need to be extended to set the cvarname and govarname as approriate for the KeyedUnion cases to match the surrounding code. Signed-off-by: Jason Andryuk --- tools/golang/xenlight/gengotypes.py | 41 ++++++++++++++++++----------- 1 file changed, 25 insertions(+), 16 deletions(-) diff --git a/tools/golang/xenlight/gengotypes.py b/tools/golang/xenlight/ge= ngotypes.py index ac1cf060dd..745a3cb466 100644 --- a/tools/golang/xenlight/gengotypes.py +++ b/tools/golang/xenlight/gengotypes.py @@ -374,6 +374,10 @@ def xenlight_golang_union_from_C(ty =3D None, union_na= me =3D '', struct_name =3D ''): s +=3D 'tmp :=3D (*C.{0})(unsafe.Pointer(&xc.{1}[0]))\n'.format(ty= pename,union_name) =20 for nf in f.type.fields: + if isinstance(nf.type, idl.Array): + s +=3D xenlight_golang_array_from_C(nf,cvarname=3D'tmp') + continue + s +=3D xenlight_golang_convert_from_C(nf,cvarname=3D'tmp') =20 s +=3D 'return nil\n' @@ -414,7 +418,7 @@ def xenlight_golang_union_from_C(ty =3D None, union_nam= e =3D '', struct_name =3D ''): =20 return (s,extras) =20 -def xenlight_golang_array_from_C(ty =3D None): +def xenlight_golang_array_from_C(ty =3D None, cvarname =3D 'xc'): """ Convert C array to Go slice using the method described here: @@ -431,9 +435,9 @@ def xenlight_golang_array_from_C(ty =3D None): clenvar =3D ty.type.lenvar.name =20 s +=3D 'x.{0} =3D nil\n'.format(goname) - s +=3D 'if n :=3D int(xc.{0}); n > 0 {{\n'.format(clenvar) + s +=3D 'if n :=3D int({0}.{1}); n > 0 {{\n'.format(cvarname,clenvar) s +=3D '{0} :=3D '.format(cslice) - s +=3D'(*[1<<28]C.{0})(unsafe.Pointer(xc.{1}))[:n:n]\n'.format(ctypena= me, cname) + s +=3D'(*[1<<28]C.{0})(unsafe.Pointer({1}.{2}))[:n:n]\n'.format(ctypen= ame, cvarname, cname) s +=3D 'x.{0} =3D make([]{1}, n)\n'.format(goname, gotypename) s +=3D 'for i, v :=3D range {0} {{\n'.format(cslice) =20 @@ -577,6 +581,11 @@ def xenlight_golang_union_to_C(ty =3D None, union_name= =3D '', =20 s +=3D 'var {0} C.{1}\n'.format(f.name,cgotype) for uf in f.type.fields: + if isinstance(uf.type, idl.Array): + s +=3D xenlight_golang_array_to_C(uf, cvarname=3Df.name, + govarname=3D"tmp") + continue + s +=3D xenlight_golang_convert_to_C(uf,cvarname=3Df.name, govarname=3D'tmp') =20 @@ -594,7 +603,7 @@ def xenlight_golang_union_to_C(ty =3D None, union_name = =3D '', =20 return s =20 -def xenlight_golang_array_to_C(ty =3D None): +def xenlight_golang_array_to_C(ty =3D None, cvarname=3D"xc", govarname=3D"= x"): s =3D '' =20 gotypename =3D xenlight_golang_fmt_name(ty.type.elem_type.typename) @@ -606,27 +615,27 @@ def xenlight_golang_array_to_C(ty =3D None): =20 is_enum =3D isinstance(ty.type.elem_type,idl.Enumeration) if gotypename in go_builtin_types or is_enum: - s +=3D 'if {0} :=3D len(x.{1}); {2} > 0 {{\n'.format(golenvar,gona= me,golenvar) - s +=3D 'xc.{0} =3D (*C.{1})(C.malloc(C.size_t({2}*{3})))\n'.format= (cname,ctypename, + s +=3D 'if {0} :=3D len({1}.{2}); {3} > 0 {{\n'.format(golenvar,go= varname,goname,golenvar) + s +=3D '{0}.{1} =3D (*C.{2})(C.malloc(C.size_t({3}*{4})))\n'.forma= t(cvarname,cname,ctypename, golenva= r,golenvar) - s +=3D 'xc.{0} =3D C.int({1})\n'.format(clenvar,golenvar) - s +=3D 'c{0} :=3D (*[1<<28]C.{1})(unsafe.Pointer(xc.{2}))[:{3}:{4}= ]\n'.format(goname, - ctyp= ename,cname, + s +=3D '{0}.{1} =3D C.int({2})\n'.format(cvarname,clenvar,golenvar) + s +=3D 'c{0} :=3D (*[1<<28]C.{1})(unsafe.Pointer({2}.{3}))[:{4}:{5= }]\n'.format(goname, + ctyp= ename,cvarname,cname, gole= nvar,golenvar) - s +=3D 'for i,v :=3D range x.{0} {{\n'.format(goname) + s +=3D 'for i,v :=3D range {0}.{1} {{\n'.format(govarname,goname) s +=3D 'c{0}[i] =3D C.{1}(v)\n'.format(goname,ctypename) s +=3D '}\n}\n' =20 return s =20 - s +=3D 'if {0} :=3D len(x.{1}); {2} > 0 {{\n'.format(golenvar,goname,g= olenvar) - s +=3D 'xc.{0} =3D (*C.{1})(C.malloc(C.ulong({2})*C.sizeof_{3}))\n'.fo= rmat(cname,ctypename, + s +=3D 'if {0} :=3D len({1}.{2}); {3} > 0 {{\n'.format(golenvar,govarn= ame,goname,golenvar) + s +=3D '{0}.{1} =3D (*C.{2})(C.malloc(C.ulong({3})*C.sizeof_{4}))\n'.f= ormat(cvarname,cname,ctypename, golenva= r,ctypename) - s +=3D 'xc.{0} =3D C.int({1})\n'.format(clenvar,golenvar) - s +=3D 'c{0} :=3D (*[1<<28]C.{1})(unsafe.Pointer(xc.{2}))[:{3}:{4}]\n'= .format(goname, - c= typename,cname, + s +=3D '{0}.{1} =3D C.int({2})\n'.format(cvarname,clenvar,golenvar) + s +=3D 'c{0} :=3D (*[1<<28]C.{1})(unsafe.Pointer({2}.{3}))[:{4}:{5}]\n= '.format(goname, + c= typename,cvarname,cname, g= olenvar,golenvar) - s +=3D 'for i,v :=3D range x.{0} {{\n'.format(goname) + s +=3D 'for i,v :=3D range {0}.{1} {{\n'.format(govarname,goname) s +=3D 'if err :=3D v.toC(&c{0}[i]); err !=3D nil {{\n'.format(goname) s +=3D 'return fmt.Errorf("converting field {0}: %v", err)\n'.format(g= oname) s +=3D '}\n}\n}\n' --=20 2.37.3 From nobody Fri May 17 08:24:42 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; 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Mon, 12 Sep 2022 05:24:47 -0700 (PDT) From: Jason Andryuk To: xen-devel@lists.xenproject.org Cc: Jason Andryuk , Wei Liu , Anthony PERARD , George Dunlap , Nick Rosbrook , Juergen Gross Subject: [PATCH v3 2/3] xl/libxl: Add ability to specify SMBIOS strings Date: Mon, 12 Sep 2022 08:22:36 -0400 Message-Id: <20220912122237.5431-3-jandryuk@gmail.com> X-Mailer: git-send-email 2.37.3 In-Reply-To: <20220912122237.5431-1-jandryuk@gmail.com> References: <20220912122237.5431-1-jandryuk@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1662985528026100001 Content-Type: text/plain; charset="utf-8" hvm_xs_strings.h specifies xenstore entries which can be used to set or override smbios strings. hvmloader has support for reading them, but xl/libxl support is not wired up. Allow specifying the strings with the new xl.cfg option: smbios=3D["bios_vendor=3DXen Project","system_version=3D1.0"] In terms of strings, the SMBIOS specification 3.5 says: https://www.dmtf.org/sites/default/files/standards/documents/DSP0134_3.5.0.= pdf """ Strings must be encoded as UTF-8 with no byte order mark (BOM). For compatibility with older SMBIOS parsers, US-ASCII characters should be used. NOTE There is no limit on the length of each individual text string. However, the length of the entire structure table (including all strings) must be reported in the Structure Table Length field of the 32-bit Structure Table Entry Point (see 5.2.1) and/or the Structure Table Maximum Size field of the 64-bit Structure Table Entry Point (see 5.2.2). """ The strings aren't checked for utf-8 or length. hvmloader has a sanity check on the overall length. The libxl_smbios_type enum starts at 1 since otherwise the 0th key is not printed in the json output. Signed-off-by: Jason Andryuk --- v3 Disallow empty value strings xstrdup listitem before modifying Handle option=3Dfoo=3Dbar -> option foo=3Dbar Fix compilation - remove stray } Remove log message newline Add multiline comment star Rename variable v to type v2: Update s/_/-/ comment Update debug print to xs_path =3D "value" Error on xlu_cfg_get_listitem failure Use EXIT_FAILURE consistently free parsed strings Move break to new line The rendered man page and html don't have a newline at the end of the new section. """ battery_device_name=3DSTRING ms_vm_genid=3D"OPTION" """ however the txt format is correct: """ battery_device_name=3DSTRING ms_vm_genid=3D"OPTION" """ I'm at a loss as to why this is happening. --- docs/man/xl.cfg.5.pod.in | 45 +++++++++++++++++++++ tools/golang/xenlight/helpers.gen.go | 51 ++++++++++++++++++++++++ tools/golang/xenlight/types.gen.go | 27 +++++++++++++ tools/include/libxl.h | 5 +++ tools/libs/light/libxl_dom.c | 21 ++++++++++ tools/libs/light/libxl_types.idl | 26 +++++++++++++ tools/xl/xl_parse.c | 58 +++++++++++++++++++++++++++- 7 files changed, 232 insertions(+), 1 deletion(-) diff --git a/docs/man/xl.cfg.5.pod.in b/docs/man/xl.cfg.5.pod.in index b2901e04cf..fa78fba361 100644 --- a/docs/man/xl.cfg.5.pod.in +++ b/docs/man/xl.cfg.5.pod.in @@ -2061,6 +2061,51 @@ number of vendor defined SMBIOS structures (type 128= - 255). Since SMBIOS structures do not present their overall size, each entry in the file must = be preceded by a 32b integer indicating the size of the following structure. =20 +=3Ditem B + +Specifies the SMBIOS values to be provided to the guest. These set or +override specific entries in the tables provided to the guest. + +Each B is a C string from the following l= ist: + +=3Dover 4 + +=3Ditem B + +=3Ditem B + +=3Ditem B + +=3Ditem B + +=3Ditem B + +=3Ditem B + +=3Ditem B + +=3Ditem B + +=3Ditem B + +=3Ditem B + +=3Ditem B + +=3Ditem B + +=3Ditem B + +=3Ditem B + +=3Ditem B + +=3Ditem B + +=3Ditem B + +=3Dback + =3Ditem B =20 Provide a VM generation ID to the guest. diff --git a/tools/golang/xenlight/helpers.gen.go b/tools/golang/xenlight/h= elpers.gen.go index fa3cf2ab76..cae14ec6f5 100644 --- a/tools/golang/xenlight/helpers.gen.go +++ b/tools/golang/xenlight/helpers.gen.go @@ -589,6 +589,38 @@ xc.build_id =3D C.CString(x.BuildId)} return nil } =20 +// NewSmbios returns an instance of Smbios initialized with defaults. +func NewSmbios() (*Smbios, error) { +var ( +x Smbios +xc C.libxl_smbios) + +C.libxl_smbios_init(&xc) +defer C.libxl_smbios_dispose(&xc) + +if err :=3D x.fromC(&xc); err !=3D nil { +return nil, err } + +return &x, nil} + +func (x *Smbios) fromC(xc *C.libxl_smbios) error { + x.Key =3D SmbiosType(xc.key) +x.Value =3D C.GoString(xc.value) + + return nil} + +func (x *Smbios) toC(xc *C.libxl_smbios) (err error){defer func(){ +if err !=3D nil{ +C.libxl_smbios_dispose(xc)} +}() + +xc.key =3D C.libxl_smbios_type(x.Key) +if x.Value !=3D "" { +xc.value =3D C.CString(x.Value)} + + return nil + } + // NewDomainCreateInfo returns an instance of DomainCreateInfo initialized= with defaults. func NewDomainCreateInfo() (*DomainCreateInfo, error) { var ( @@ -1189,6 +1221,15 @@ return fmt.Errorf("converting field Altp2M: %v", err) } x.SystemFirmware =3D C.GoString(tmp.system_firmware) x.SmbiosFirmware =3D C.GoString(tmp.smbios_firmware) +x.Smbios =3D nil +if n :=3D int(tmp.num_smbios); n > 0 { +cSmbios :=3D (*[1<<28]C.libxl_smbios)(unsafe.Pointer(tmp.smbios))[:n:n] +x.Smbios =3D make([]Smbios, n) +for i, v :=3D range cSmbios { +if err :=3D x.Smbios[i].fromC(&v); err !=3D nil { +return fmt.Errorf("converting field Smbios: %v", err) } +} +} x.AcpiFirmware =3D C.GoString(tmp.acpi_firmware) x.Hdtype =3D Hdtype(tmp.hdtype) if err :=3D x.Nographic.fromC(&tmp.nographic);err !=3D nil { @@ -1501,6 +1542,16 @@ if tmp.SystemFirmware !=3D "" { hvm.system_firmware =3D C.CString(tmp.SystemFirmware)} if tmp.SmbiosFirmware !=3D "" { hvm.smbios_firmware =3D C.CString(tmp.SmbiosFirmware)} +if numSmbios :=3D len(tmp.Smbios); numSmbios > 0 { +hvm.smbios =3D (*C.libxl_smbios)(C.malloc(C.ulong(numSmbios)*C.sizeof_libx= l_smbios)) +hvm.num_smbios =3D C.int(numSmbios) +cSmbios :=3D (*[1<<28]C.libxl_smbios)(unsafe.Pointer(hvm.smbios))[:numSmbi= os:numSmbios] +for i,v :=3D range tmp.Smbios { +if err :=3D v.toC(&cSmbios[i]); err !=3D nil { +return fmt.Errorf("converting field Smbios: %v", err) +} +} +} if tmp.AcpiFirmware !=3D "" { hvm.acpi_firmware =3D C.CString(tmp.AcpiFirmware)} hvm.hdtype =3D C.libxl_hdtype(tmp.Hdtype) diff --git a/tools/golang/xenlight/types.gen.go b/tools/golang/xenlight/typ= es.gen.go index a0be7ada8c..e084c3540b 100644 --- a/tools/golang/xenlight/types.gen.go +++ b/tools/golang/xenlight/types.gen.go @@ -386,6 +386,32 @@ Commandline string BuildId string } =20 +type SmbiosType int +const( +SmbiosTypeBiosVendor SmbiosType =3D 1 +SmbiosTypeBiosVersion SmbiosType =3D 2 +SmbiosTypeSystemManufacturer SmbiosType =3D 3 +SmbiosTypeSystemProductName SmbiosType =3D 4 +SmbiosTypeSystemVersion SmbiosType =3D 5 +SmbiosTypeSystemSerialNumber SmbiosType =3D 6 +SmbiosTypeBaseboardManufacturer SmbiosType =3D 7 +SmbiosTypeBaseboardProductName SmbiosType =3D 8 +SmbiosTypeBaseboardVersion SmbiosType =3D 9 +SmbiosTypeBaseboardSerialNumber SmbiosType =3D 10 +SmbiosTypeBaseboardAssetTag SmbiosType =3D 11 +SmbiosTypeBaseboardLocationInChassis SmbiosType =3D 12 +SmbiosTypeEnclosureManufacturer SmbiosType =3D 13 +SmbiosTypeEnclosureSerialNumber SmbiosType =3D 14 +SmbiosTypeEnclosureAssetTag SmbiosType =3D 15 +SmbiosTypeBatteryManufacturer SmbiosType =3D 16 +SmbiosTypeBatteryDeviceName SmbiosType =3D 17 +) + +type Smbios struct { +Key SmbiosType +Value string +} + type DomainCreateInfo struct { Type DomainType Hap Defbool @@ -568,6 +594,7 @@ NestedHvm Defbool Altp2M Defbool SystemFirmware string SmbiosFirmware string +Smbios []Smbios AcpiFirmware string Hdtype Hdtype Nographic Defbool diff --git a/tools/include/libxl.h b/tools/include/libxl.h index 2321a648a5..023613d35b 100644 --- a/tools/include/libxl.h +++ b/tools/include/libxl.h @@ -174,6 +174,11 @@ */ #define LIBXL_HAVE_BUILDINFO_HVM_MS_VM_GENID 1 =20 +/* + * libxl_domain_build_info has the u.hvm.smbios field. + */ +#define LIBXL_HAVE_BUILDINFO_HVM_SMBIOS 1 + /* * LIBXL_HAVE_VCPUINFO_SOFT_AFFINITY indicates that a 'cpumap_soft' * field (of libxl_bitmap type) is present in libxl_vcpuinfo, diff --git a/tools/libs/light/libxl_dom.c b/tools/libs/light/libxl_dom.c index 2abaab439c..4f85623c42 100644 --- a/tools/libs/light/libxl_dom.c +++ b/tools/libs/light/libxl_dom.c @@ -771,6 +771,27 @@ static int hvm_build_set_xs_values(libxl__gc *gc, goto err; } =20 + for (int i =3D 0; i < info->u.hvm.num_smbios; i++) { + char *p; + path =3D GCSPRINTF("/local/domain/%d/"HVM_XS_BIOS_STRINGS"/%s", do= mid, + libxl_smbios_type_to_string(info->u.hvm.smbios[i].key)); + + /* Convert libxl_smbios_type string to xenstore path that hvmloader + * will use, as defined by HVM_XS_*. That is convert the '_' to '-= '. */ + p =3D strrchr(path, '/'); + for ( ; *p; p++) { + if (*p =3D=3D '_') + *p =3D '-'; + } + + LOGD(DEBUG, domid, "Writing %s =3D \"%s\"", path, + info->u.hvm.smbios[i].value); + ret =3D libxl__xs_printf(gc, XBT_NULL, path, "%s", + info->u.hvm.smbios[i].value); + if (ret) + goto err; + } + /* Only one module can be passed. PVHv2 guests do not support this. */ if (dom->acpi_modules[0].guest_addr_out &&=20 info->type =3D=3D LIBXL_DOMAIN_TYPE_HVM) { diff --git a/tools/libs/light/libxl_types.idl b/tools/libs/light/libxl_type= s.idl index d634f304cd..d04207748e 100644 --- a/tools/libs/light/libxl_types.idl +++ b/tools/libs/light/libxl_types.idl @@ -418,6 +418,31 @@ libxl_version_info =3D Struct("version_info", [ ("build_id", string), ], dir=3DDIR_OUT) =20 +libxl_smbios_type =3D Enumeration("smbios_type", [ + (1, "bios_vendor"), + (2, "bios_version"), + (3, "system_manufacturer"), + (4, "system_product_name"), + (5, "system_version"), + (6, "system_serial_number"), + (7, "baseboard_manufacturer"), + (8, "baseboard_product_name"), + (9, "baseboard_version"), + (10, "baseboard_serial_number"), + (11, "baseboard_asset_tag"), + (12, "baseboard_location_in_chassis"), + (13, "enclosure_manufacturer"), + (14, "enclosure_serial_number"), + (15, "enclosure_asset_tag"), + (16, "battery_manufacturer"), + (17, "battery_device_name"), + ]) + +libxl_smbios =3D Struct("smbios", [ + ("key", libxl_smbios_type), + ("value", string), + ], dir=3DDIR_IN) + libxl_domain_create_info =3D Struct("domain_create_info",[ ("type", libxl_domain_type), ("hap", libxl_defbool), @@ -604,6 +629,7 @@ libxl_domain_build_info =3D Struct("domain_build_info",[ ("altp2m", libxl_defbool), ("system_firmware", string), ("smbios_firmware", string), + ("smbios", Array(libxl_sm= bios, "num_smbios")), ("acpi_firmware", string), ("hdtype", libxl_hdtype), ("nographic", libxl_defbool), diff --git a/tools/xl/xl_parse.c b/tools/xl/xl_parse.c index 1b5381cef0..47521e9924 100644 --- a/tools/xl/xl_parse.c +++ b/tools/xl/xl_parse.c @@ -1220,8 +1220,9 @@ void parse_config_data(const char *config_source, XLU_ConfigList *cpus, *vbds, *nics, *pcis, *cvfbs, *cpuids, *vtpms, *usbctrls, *usbdevs, *p9devs, *vdispls, *pvcallsifs_dev= s; XLU_ConfigList *channels, *ioports, *irqs, *iomem, *viridian, *dtdevs, - *mca_caps; + *mca_caps, *smbios; int num_ioports, num_irqs, num_iomem, num_cpus, num_viridian, num_mca_= caps; + int num_smbios; int pci_power_mgmt =3D 0; int pci_msitranslate =3D 0; int pci_permissive =3D 0; @@ -1783,6 +1784,61 @@ void parse_config_data(const char *config_source, xlu_cfg_replace_string(config, "acpi_firmware", &b_info->u.hvm.acpi_firmware, 0); =20 + switch (xlu_cfg_get_list(config, "smbios", &smbios, &num_smbios, 0= )) + { + case 0: /* Success */ + b_info->u.hvm.num_smbios =3D num_smbios; + b_info->u.hvm.smbios =3D xcalloc(num_smbios, sizeof(libxl_smbi= os)); + for (i =3D 0; i < num_smbios; i++) { + libxl_smbios_type type; + char *option; + char *value; + + buf =3D xlu_cfg_get_listitem(smbios, i); + if (!buf) { + fprintf(stderr, + "xl: Unable to get element #%d in smbios list\= n", + i); + exit(EXIT_FAILURE); + } + + option =3D xstrdup(buf); + value =3D strchr(option, '=3D'); + if (value =3D=3D NULL) { + fprintf(stderr, "xl: failed to split \"%s\" at '=3D'\n= ", + option); + exit(EXIT_FAILURE); + } + + *value =3D '\0'; + value++; + + if (*value =3D=3D '\0') { + fprintf(stderr, + "xl: empty value not allowed for smbios \"%s= =3D\"\n", + option); + exit(EXIT_FAILURE); + } + + e =3D libxl_smbios_type_from_string(option, &type); + if (e) { + fprintf(stderr, "xl: unknown smbios type '%s'\n", opti= on); + exit(EXIT_FAILURE); + } + + b_info->u.hvm.smbios[i].key =3D type; + b_info->u.hvm.smbios[i].value =3D xstrdup(value); + + free(option); + } + break; + case ESRCH: /* Option not present */ + break; + default: + fprintf(stderr,"xl: Unable to parse smbios options.\n"); + exit(EXIT_FAILURE); + } + if (!xlu_cfg_get_string(config, "ms_vm_genid", &buf, 0)) { if (!strcmp(buf, "generate")) { e =3D libxl_ms_vm_genid_generate(ctx, &b_info->u.hvm.ms_vm= _genid); --=20 2.37.3 From nobody Fri May 17 08:24:42 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; 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Mon, 12 Sep 2022 05:25:36 -0700 (PDT) From: Jason Andryuk To: xen-devel@lists.xenproject.org Cc: Jason Andryuk , Wei Liu , Anthony PERARD , George Dunlap , Nick Rosbrook , Juergen Gross Subject: [PATCH v3 3/3] xl/libxl: Add OEM string support to smbios Date: Mon, 12 Sep 2022 08:22:37 -0400 Message-Id: <20220912122237.5431-4-jandryuk@gmail.com> X-Mailer: git-send-email 2.37.3 In-Reply-To: <20220912122237.5431-1-jandryuk@gmail.com> References: <20220912122237.5431-1-jandryuk@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1662985568233100001 Content-Type: text/plain; charset="utf-8" Add support for OEM strings in the SMBIOS type 11. hvmloader checks them sequentially, so hide the implementation detail. Allow multiple plain oem=3D items and assign the numeric values internally. Signed-off-by: Jason Andryuk --- v3: Add } from patch 2 to parse_config_data Use EXIT_FAILURE Print error message in libxl for > 99 OEM strings v2: Move oem=3D description to be indented in docs Re-work oem=3D description Re-word oem string limit xl error message Replace OEM_{1,99) with just OEM and handle in libxl This change re-introduces the newline before ms_vm_genid. --- docs/man/xl.cfg.5.pod.in | 4 ++++ tools/golang/xenlight/types.gen.go | 1 + tools/libs/light/libxl_dom.c | 16 ++++++++++++++-- tools/libs/light/libxl_types.idl | 1 + tools/xl/xl_parse.c | 13 +++++++++++++ 5 files changed, 33 insertions(+), 2 deletions(-) diff --git a/docs/man/xl.cfg.5.pod.in b/docs/man/xl.cfg.5.pod.in index fa78fba361..ddba1c3a05 100644 --- a/docs/man/xl.cfg.5.pod.in +++ b/docs/man/xl.cfg.5.pod.in @@ -2104,6 +2104,10 @@ Each B is a C strin= g from the following list: =20 =3Ditem B =20 +=3Ditem B + +oem=3D can be specified up to 99 times. + =3Dback =20 =3Ditem B diff --git a/tools/golang/xenlight/types.gen.go b/tools/golang/xenlight/typ= es.gen.go index e084c3540b..51076249b4 100644 --- a/tools/golang/xenlight/types.gen.go +++ b/tools/golang/xenlight/types.gen.go @@ -405,6 +405,7 @@ SmbiosTypeEnclosureSerialNumber SmbiosType =3D 14 SmbiosTypeEnclosureAssetTag SmbiosType =3D 15 SmbiosTypeBatteryManufacturer SmbiosType =3D 16 SmbiosTypeBatteryDeviceName SmbiosType =3D 17 +SmbiosTypeOem SmbiosType =3D 18 ) =20 type Smbios struct { diff --git a/tools/libs/light/libxl_dom.c b/tools/libs/light/libxl_dom.c index 4f85623c42..12d027a575 100644 --- a/tools/libs/light/libxl_dom.c +++ b/tools/libs/light/libxl_dom.c @@ -753,6 +753,7 @@ static int hvm_build_set_xs_values(libxl__gc *gc, const libxl_domain_build_info *info) { char *path =3D NULL; + int num_oem =3D 1; int ret =3D 0; =20 if (dom->smbios_module.guest_addr_out) { @@ -773,8 +774,19 @@ static int hvm_build_set_xs_values(libxl__gc *gc, =20 for (int i =3D 0; i < info->u.hvm.num_smbios; i++) { char *p; - path =3D GCSPRINTF("/local/domain/%d/"HVM_XS_BIOS_STRINGS"/%s", do= mid, - libxl_smbios_type_to_string(info->u.hvm.smbios[i].key)); + if (info->u.hvm.smbios[i].key =3D=3D LIBXL_SMBIOS_TYPE_OEM) { + if (num_oem > 99) { + LOGD(ERROR, domid, "More than 99 SMBIOS OEM strings specif= ied"); + ret =3D ERROR_INVAL; + goto err; + } + path =3D GCSPRINTF("/local/domain/%d/"HVM_XS_OEM_STRINGS, domi= d, + num_oem); + num_oem++; + } else { + path =3D GCSPRINTF("/local/domain/%d/"HVM_XS_BIOS_STRINGS"/%s"= , domid, + libxl_smbios_type_to_string(info->u.hvm.smbios[i].k= ey)); + } =20 /* Convert libxl_smbios_type string to xenstore path that hvmloader * will use, as defined by HVM_XS_*. That is convert the '_' to '-= '. */ diff --git a/tools/libs/light/libxl_types.idl b/tools/libs/light/libxl_type= s.idl index d04207748e..76651eea43 100644 --- a/tools/libs/light/libxl_types.idl +++ b/tools/libs/light/libxl_types.idl @@ -436,6 +436,7 @@ libxl_smbios_type =3D Enumeration("smbios_type", [ (15, "enclosure_asset_tag"), (16, "battery_manufacturer"), (17, "battery_device_name"), + (18, "oem"), ]) =20 libxl_smbios =3D Struct("smbios", [ diff --git a/tools/xl/xl_parse.c b/tools/xl/xl_parse.c index 47521e9924..f9b4db16a6 100644 --- a/tools/xl/xl_parse.c +++ b/tools/xl/xl_parse.c @@ -1787,6 +1787,9 @@ void parse_config_data(const char *config_source, switch (xlu_cfg_get_list(config, "smbios", &smbios, &num_smbios, 0= )) { case 0: /* Success */ + { + unsigned int num_oem =3D 1; + b_info->u.hvm.num_smbios =3D num_smbios; b_info->u.hvm.smbios =3D xcalloc(num_smbios, sizeof(libxl_smbi= os)); for (i =3D 0; i < num_smbios; i++) { @@ -1826,12 +1829,22 @@ void parse_config_data(const char *config_source, exit(EXIT_FAILURE); } =20 + if (type =3D=3D LIBXL_SMBIOS_TYPE_OEM) { + if (num_oem > 99) { + fprintf(stderr, + "xl: smbios limited to 99 oem strings\n"); + exit(EXIT_FAILURE); + } + num_oem++; + } + b_info->u.hvm.smbios[i].key =3D type; b_info->u.hvm.smbios[i].value =3D xstrdup(value); =20 free(option); } break; + } case ESRCH: /* Option not present */ break; default: --=20 2.37.3